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nl80211: Add new commands to support mesh interfaces
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
90a545cc 3 * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
072ad14c
JM		 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM		 9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM		 11 */
12
13#include "includes.h"
14#include <sys/ioctl.h>
6859f1cb
BG		 15#include <sys/types.h>
16#include <sys/stat.h>
17#include <fcntl.h>
37b7d082 18#include <net/if.h>
3f5285e8
JM		 19#include <netlink/genl/genl.h>
20#include <netlink/genl/family.h>
21#include <netlink/genl/ctrl.h>
97ed9a06
KP		 22#ifdef CONFIG_LIBNL3_ROUTE
23#include <netlink/route/neighbour.h>
24#endif /* CONFIG_LIBNL3_ROUTE */
8602b0f2 25#include <linux/rtnetlink.h>
1b648c7e
JM		 26#include <netpacket/packet.h>
27#include <linux/filter.h>
32ab4855 28#include <linux/errqueue.h>
7e45830a 29#include "nl80211_copy.h"
625f587b 30
3f5285e8 31#include "common.h"
1b648c7e 32#include "eloop.h"
f2ed8023 33#include "utils/list.h"
1682c623 34#include "common/qca-vendor.h"
a26582cb 35#include "common/qca-vendor-attr.h"
1b648c7e 36#include "common/ieee802_11_defs.h"
9b90955e 37#include "common/ieee802_11_common.h"
f10bfc9a 38#include "l2_packet/l2_packet.h"
e2d02c29 39#include "netlink.h"
34f2f814 40#include "linux_ioctl.h"
e2d02c29
JM		 41#include "radiotap.h"
42#include "radiotap_iter.h"
8401a6b0 43#include "rfkill.h"
1b648c7e 44#include "driver.h"
0915d02c 45
32ab4855
JB		 46#ifndef SO_WIFI_STATUS
47# if defined(__sparc__)
48# define SO_WIFI_STATUS 0x0025
49# elif defined(__parisc__)
50# define SO_WIFI_STATUS 0x4022
51# else
52# define SO_WIFI_STATUS 41
53# endif
54
55# define SCM_WIFI_STATUS SO_WIFI_STATUS
56#endif
57
58#ifndef SO_EE_ORIGIN_TXSTATUS
59#define SO_EE_ORIGIN_TXSTATUS 4
60#endif
61
62#ifndef PACKET_TX_TIMESTAMP
63#define PACKET_TX_TIMESTAMP 16
64#endif
65
216eede8
DS		 66#ifdef ANDROID
67#include "android_drv.h"
68#endif /* ANDROID */
c5121837
JM		 69#ifdef CONFIG_LIBNL20
70/* libnl 2.0 compatibility code */
2e8eac2d 71#define nl_handle nl_sock
a65a9aed
JB		 72#define nl80211_handle_alloc nl_socket_alloc_cb
73#define nl80211_handle_destroy nl_socket_free
74#else
75/*
76 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
77 * but when you free a socket again it will mess up its bitmap and
78 * and use the wrong number the next time it needs a socket ID.
79 * Therefore, we wrap the handle alloc/destroy and add our own pid
80 * accounting.
81 */
82static uint32_t port_bitmap[32] = { 0 };
83
84static struct nl_handle *nl80211_handle_alloc(void *cb)
85{
86 struct nl_handle *handle;
87 uint32_t pid = getpid() & 0x3FFFFF;
88 int i;
89
90 handle = nl_handle_alloc_cb(cb);
91
92 for (i = 0; i < 1024; i++) {
93 if (port_bitmap[i / 32] & (1 << (i % 32)))
94 continue;
95 port_bitmap[i / 32] |= 1 << (i % 32);
96 pid += i << 22;
97 break;
98 }
99
100 nl_socket_set_local_port(handle, pid);
101
102 return handle;
103}
104
105static void nl80211_handle_destroy(struct nl_handle *handle)
106{
107 uint32_t port = nl_socket_get_local_port(handle);
108
109 port >>= 22;
110 port_bitmap[port / 32] &= ~(1 << (port % 32));
111
112 nl_handle_destroy(handle);
113}
c5121837
JM		 114#endif /* CONFIG_LIBNL20 */
115
c5121837 116
1c6edec6
JM		 117#ifdef ANDROID
118/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
119static int android_nl_socket_set_nonblocking(struct nl_handle *handle)
120{
121 return fcntl(nl_socket_get_fd(handle), F_SETFL, O_NONBLOCK);
122}
123#undef nl_socket_set_nonblocking
124#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
125#endif /* ANDROID */
126
127
481234cf 128static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 129{
481234cf 130 struct nl_handle *handle;
a92dfde8 131
481234cf
JM		 132 handle = nl80211_handle_alloc(cb);
133 if (handle == NULL) {
a92dfde8
JB		 134 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
135 "callbacks (%s)", dbg);
481234cf 136 return NULL;
a92dfde8
JB		 137 }
138
481234cf 139 if (genl_connect(handle)) {
a92dfde8
JB		 140 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
141 "netlink (%s)", dbg);
481234cf
JM		 142 nl80211_handle_destroy(handle);
143 return NULL;
a92dfde8
JB		 144 }
145
481234cf 146 return handle;
a92dfde8
JB		 147}
148
149
481234cf 150static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 151{
481234cf 152 if (*handle == NULL)
a92dfde8 153 return;
481234cf
JM		 154 nl80211_handle_destroy(*handle);
155 *handle = NULL;
a92dfde8
JB		 156}
157
158
10b85921
JB		 159#if __WORDSIZE == 64
160#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
161#else
162#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
163#endif
164
5f65e9f7
JB		 165static void nl80211_register_eloop_read(struct nl_handle **handle,
166 eloop_sock_handler handler,
167 void *eloop_data)
168{
10b85921 169 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 170 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
171 eloop_data, *handle);
10b85921 172 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 173}
174
175
176static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
177{
10b85921 178 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 179 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
180 nl_destroy_handles(handle);
181}
182
183
3f5285e8
JM		 184#ifndef IFF_LOWER_UP
185#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
186#endif
187#ifndef IFF_DORMANT
188#define IFF_DORMANT 0x20000 /* driver signals dormant */
189#endif
190
191#ifndef IF_OPER_DORMANT
192#define IF_OPER_DORMANT 5
193#endif
194#ifndef IF_OPER_UP
195#define IF_OPER_UP 6
196#endif
197
f2ed8023
JM		 198struct nl80211_global {
199 struct dl_list interfaces;
ff6a158b 200 int if_add_ifindex;
f632e483
AS		 201 u64 if_add_wdevid;
202 int if_add_wdevid_set;
36d84860 203 struct netlink_data *netlink;
2a7b66f5 204 struct nl_cb *nl_cb;
481234cf 205 struct nl_handle *nl;
335d42b1 206 int nl80211_id;
c81eff1a 207 int ioctl_sock; /* socket for ioctl() use */
d6c9aab8 208
481234cf 209 struct nl_handle *nl_event;
f2ed8023
JM		 210};
211
e32ad281
JB		 212struct nl80211_wiphy_data {
213 struct dl_list list;
214 struct dl_list bsss;
215 struct dl_list drvs;
216
481234cf 217 struct nl_handle *nl_beacons;
e32ad281
JB		 218 struct nl_cb *nl_cb;
219
220 int wiphy_idx;
221};
222
36d84860
BG		 223static void nl80211_global_deinit(void *priv);
224
c5121837 225struct i802_bss {
a2e40bb6 226 struct wpa_driver_nl80211_data *drv;
c5121837 227 struct i802_bss *next;
b4fd6fab 228 int ifindex;
d3aaef80 229 u64 wdev_id;
a2e40bb6 230 char ifname[IFNAMSIZ + 1];
e17a2477 231 char brname[IFNAMSIZ];
c5121837 232 unsigned int beacon_set:1;
e17a2477
JM		 233 unsigned int added_if_into_bridge:1;
234 unsigned int added_bridge:1;
873d0fcf 235 unsigned int in_deinit:1;
d3aaef80 236 unsigned int wdev_id_set:1;
390e489c 237 unsigned int added_if:1;
bf144cf6 238 unsigned int static_ap:1;
221a59c9 239
341eebee
JB		 240 u8 addr[ETH_ALEN];
241
e4fb2167 242 int freq;
e87ef751 243 int bandwidth;
60b13c20 244 int if_dynamic;
e4fb2167 245
a5e1eb20 246 void *ctx;
481234cf 247 struct nl_handle *nl_preq, *nl_mgmt;
cc7a48d1 248 struct nl_cb *nl_cb;
e32ad281
JB		 249
250 struct nl80211_wiphy_data *wiphy_data;
251 struct dl_list wiphy_list;
c5121837 252};
3f5285e8
JM		 253
254struct wpa_driver_nl80211_data {
f2ed8023
JM		 255 struct nl80211_global *global;
256 struct dl_list list;
e32ad281 257 struct dl_list wiphy_list;
6859f1cb 258 char phyname[32];
fee354c7 259 u8 perm_addr[ETH_ALEN];
3f5285e8 260 void *ctx;
3f5285e8 261 int ifindex;
7524cfb1 262 int if_removed;
a63063b4 263 int if_disabled;
7d9c3698 264 int ignore_if_down_event;
8401a6b0 265 struct rfkill_data *rfkill;
c2a04078 266 struct wpa_driver_capa capa;
8cd6b7bc
JB		 267 u8 *extended_capa, *extended_capa_mask;
268 unsigned int extended_capa_len;
c2a04078 269 int has_capability;
c2a04078 270
3f5285e8
JM		 271 int operstate;
272
3f5285e8 273 int scan_complete_events;
a771c07d
JM		 274 enum scan_states {
275 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED,
276 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED,
277 SCHED_SCAN_RESULTS
278 } scan_state;
3f5285e8 279
1afc986d 280 struct nl_cb *nl_cb;
1c873584 281
e6b8efeb 282 u8 auth_bssid[ETH_ALEN];
add9b7a4 283 u8 auth_attempt_bssid[ETH_ALEN];
c2a04078 284 u8 bssid[ETH_ALEN];
add9b7a4 285 u8 prev_bssid[ETH_ALEN];
c2a04078 286 int associated;
fd05d64e
JM		 287 u8 ssid[32];
288 size_t ssid_len;
b1f625e0
EP		 289 enum nl80211_iftype nlmode;
290 enum nl80211_iftype ap_scan_as_station;
4832ecd7 291 unsigned int assoc_freq;
d2440ba0 292
0915d02c
JM		 293 int monitor_sock;
294 int monitor_ifidx;
3fd1cefb 295 int monitor_refcount;
7da3abe7 296
b3af99d2 297 unsigned int disabled_11b_rates:1;
55777702 298 unsigned int pending_remain_on_chan:1;
dac12351 299 unsigned int in_interface_list:1;
61cbe2ff 300 unsigned int device_ap_sme:1;
39718852 301 unsigned int poll_command_supported:1;
32ab4855 302 unsigned int data_tx_status:1;
536fd62d
JM		 303 unsigned int scan_for_auth:1;
304 unsigned int retry_auth:1;
a11241fa 305 unsigned int use_monitor:1;
a8c5b43a 306 unsigned int ignore_next_local_disconnect:1;
d6a36f39 307 unsigned int ignore_next_local_deauth:1;
851b0c55 308 unsigned int allow_p2p_device:1;
0d547d5f 309 unsigned int hostapd:1;
49b4b205 310 unsigned int start_mode_ap:1;
146fa9b3 311 unsigned int start_iface_up:1;
64abb725 312 unsigned int test_use_roc_tx:1;
e8d70a73 313 unsigned int ignore_deauth_event:1;
0800f9ee 314 unsigned int roaming_vendor_cmd_avail:1;
65d645ce 315 unsigned int dfs_vendor_cmd_avail:1;
57a8f8af 316 unsigned int have_low_prio_scan:1;
b497a212 317 unsigned int force_connect_cmd:1;
fee354c7 318 unsigned int addr_changed:1;
55777702
JM		 319
320 u64 remain_on_chan_cookie;
58f6fbe0 321 u64 send_action_cookie;
c5121837 322
5582a5d1
JB		 323 unsigned int last_mgmt_freq;
324
3812464c
JM		 325 struct wpa_driver_scan_filter *filter_ssids;
326 size_t num_filter_ssids;
327
834ee56f 328 struct i802_bss *first_bss;
a2e40bb6 329
d12dab4c 330 int eapol_tx_sock;
f10bfc9a 331
c5121837 332 int eapol_sock; /* socket for EAPOL frames */
c5121837 333
ca3c6b4d 334 struct nl_handle *rtnl_sk; /* nl_sock for NETLINK_ROUTE */
97ed9a06 335
c5121837
JM		 336 int default_if_indices[16];
337 int *if_indices;
338 int num_if_indices;
536fd62d
JM		 339
340 /* From failed authentication command */
341 int auth_freq;
342 u8 auth_bssid_[ETH_ALEN];
343 u8 auth_ssid[32];
344 size_t auth_ssid_len;
345 int auth_alg;
346 u8 *auth_ie;
347 size_t auth_ie_len;
348 u8 auth_wep_key[4][16];
349 size_t auth_wep_key_len[4];
350 int auth_wep_tx_keyidx;
351 int auth_local_state_change;
352 int auth_p2p;
3f5285e8
JM		 353};
354
355
9ebce9c5 356static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
3f5285e8
JM		 357static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
358 void *timeout_ctx);
b1f625e0
EP		 359static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
360 enum nl80211_iftype nlmode);
4ec68377
JD		 361static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
362 struct hostapd_freq_params *freq);
3c5d34e3 363
362f781e 364static int
0d547d5f 365wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
49b4b205 366 const u8 *set_addr, int first);
d72aad94 367static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 368 const u8 *addr, int cmd, u16 reason_code,
369 int local_state_change);
460456f8
JM		 370static void nl80211_remove_monitor_interface(
371 struct wpa_driver_nl80211_data *drv);
88df0ef7 372static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 373 unsigned int freq, unsigned int wait,
b106173a 374 const u8 *buf, size_t buf_len, u64 *cookie,
88df0ef7 375 int no_cck, int no_ack, int offchanok);
b21990b4
AQ		 376static int nl80211_register_frame(struct i802_bss *bss,
377 struct nl_handle *hl_handle,
378 u16 type, const u8 *match, size_t match_len);
9ebce9c5
JM		 379static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
380 int report);
216eede8
DS		 381#ifdef ANDROID
382static int android_pno_start(struct i802_bss *bss,
383 struct wpa_driver_scan_params *params);
384static int android_pno_stop(struct i802_bss *bss);
5e2c3490
JM		 385extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf,
386 size_t buf_len);
216eede8 387#endif /* ANDROID */
0de38036 388#ifdef ANDROID_P2P
959214b2
DS		 389#ifdef ANDROID_P2P_STUB
390int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration) {
391 return 0;
392}
393int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len) {
394 return 0;
395}
396int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow) {
397 return -1;
398}
399int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon,
400 const struct wpabuf *proberesp,
401 const struct wpabuf *assocresp) {
402 return 0;
403}
404#else /* ANDROID_P2P_STUB */
0de38036
JM		 405int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration);
406int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len);
407int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow);
408int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon,
409 const struct wpabuf *proberesp,
410 const struct wpabuf *assocresp);
959214b2 411#endif /* ANDROID_P2P_STUB */
0de38036 412#endif /* ANDROID_P2P */
0915d02c 413
2135f224
JM		 414static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
415static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
97cfcf64 416static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
9ebce9c5 417static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
fbbfcbac
FF		 418 enum wpa_driver_if_type type,
419 const char *ifname);
072ad14c 420
e87ef751
PX		 421static int nl80211_set_channel(struct i802_bss *bss,
422 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM		 423static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
424 int ifindex, int disabled);
504e905c 425
21bdbe38 426static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv);
536fd62d
JM		 427static int wpa_driver_nl80211_authenticate_retry(
428 struct wpa_driver_nl80211_data *drv);
21bdbe38 429
3c5d34e3 430static int i802_set_freq(void *priv, struct hostapd_freq_params *freq);
bf83eab5
IP		 431static int i802_set_iface_flags(struct i802_bss *bss, int up);
432
3f5285e8 433
2090a0b4
DS		 434static const char * nl80211_command_to_string(enum nl80211_commands cmd)
435{
436#define C2S(x) case x: return #x;
437 switch (cmd) {
438 C2S(NL80211_CMD_UNSPEC)
439 C2S(NL80211_CMD_GET_WIPHY)
440 C2S(NL80211_CMD_SET_WIPHY)
441 C2S(NL80211_CMD_NEW_WIPHY)
442 C2S(NL80211_CMD_DEL_WIPHY)
443 C2S(NL80211_CMD_GET_INTERFACE)
444 C2S(NL80211_CMD_SET_INTERFACE)
445 C2S(NL80211_CMD_NEW_INTERFACE)
446 C2S(NL80211_CMD_DEL_INTERFACE)
447 C2S(NL80211_CMD_GET_KEY)
448 C2S(NL80211_CMD_SET_KEY)
449 C2S(NL80211_CMD_NEW_KEY)
450 C2S(NL80211_CMD_DEL_KEY)
451 C2S(NL80211_CMD_GET_BEACON)
452 C2S(NL80211_CMD_SET_BEACON)
453 C2S(NL80211_CMD_START_AP)
454 C2S(NL80211_CMD_STOP_AP)
455 C2S(NL80211_CMD_GET_STATION)
456 C2S(NL80211_CMD_SET_STATION)
457 C2S(NL80211_CMD_NEW_STATION)
458 C2S(NL80211_CMD_DEL_STATION)
459 C2S(NL80211_CMD_GET_MPATH)
460 C2S(NL80211_CMD_SET_MPATH)
461 C2S(NL80211_CMD_NEW_MPATH)
462 C2S(NL80211_CMD_DEL_MPATH)
463 C2S(NL80211_CMD_SET_BSS)
464 C2S(NL80211_CMD_SET_REG)
465 C2S(NL80211_CMD_REQ_SET_REG)
466 C2S(NL80211_CMD_GET_MESH_CONFIG)
467 C2S(NL80211_CMD_SET_MESH_CONFIG)
468 C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
469 C2S(NL80211_CMD_GET_REG)
470 C2S(NL80211_CMD_GET_SCAN)
471 C2S(NL80211_CMD_TRIGGER_SCAN)
472 C2S(NL80211_CMD_NEW_SCAN_RESULTS)
473 C2S(NL80211_CMD_SCAN_ABORTED)
474 C2S(NL80211_CMD_REG_CHANGE)
475 C2S(NL80211_CMD_AUTHENTICATE)
476 C2S(NL80211_CMD_ASSOCIATE)
477 C2S(NL80211_CMD_DEAUTHENTICATE)
478 C2S(NL80211_CMD_DISASSOCIATE)
479 C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
480 C2S(NL80211_CMD_REG_BEACON_HINT)
481 C2S(NL80211_CMD_JOIN_IBSS)
482 C2S(NL80211_CMD_LEAVE_IBSS)
483 C2S(NL80211_CMD_TESTMODE)
484 C2S(NL80211_CMD_CONNECT)
485 C2S(NL80211_CMD_ROAM)
486 C2S(NL80211_CMD_DISCONNECT)
487 C2S(NL80211_CMD_SET_WIPHY_NETNS)
488 C2S(NL80211_CMD_GET_SURVEY)
489 C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
490 C2S(NL80211_CMD_SET_PMKSA)
491 C2S(NL80211_CMD_DEL_PMKSA)
492 C2S(NL80211_CMD_FLUSH_PMKSA)
493 C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
494 C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
495 C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
496 C2S(NL80211_CMD_REGISTER_FRAME)
497 C2S(NL80211_CMD_FRAME)
498 C2S(NL80211_CMD_FRAME_TX_STATUS)
499 C2S(NL80211_CMD_SET_POWER_SAVE)
500 C2S(NL80211_CMD_GET_POWER_SAVE)
501 C2S(NL80211_CMD_SET_CQM)
502 C2S(NL80211_CMD_NOTIFY_CQM)
503 C2S(NL80211_CMD_SET_CHANNEL)
504 C2S(NL80211_CMD_SET_WDS_PEER)
505 C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
506 C2S(NL80211_CMD_JOIN_MESH)
507 C2S(NL80211_CMD_LEAVE_MESH)
508 C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
509 C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
510 C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
511 C2S(NL80211_CMD_GET_WOWLAN)
512 C2S(NL80211_CMD_SET_WOWLAN)
513 C2S(NL80211_CMD_START_SCHED_SCAN)
514 C2S(NL80211_CMD_STOP_SCHED_SCAN)
515 C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
516 C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
517 C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
518 C2S(NL80211_CMD_PMKSA_CANDIDATE)
519 C2S(NL80211_CMD_TDLS_OPER)
520 C2S(NL80211_CMD_TDLS_MGMT)
521 C2S(NL80211_CMD_UNEXPECTED_FRAME)
522 C2S(NL80211_CMD_PROBE_CLIENT)
523 C2S(NL80211_CMD_REGISTER_BEACONS)
524 C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
525 C2S(NL80211_CMD_SET_NOACK_MAP)
526 C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
527 C2S(NL80211_CMD_START_P2P_DEVICE)
528 C2S(NL80211_CMD_STOP_P2P_DEVICE)
529 C2S(NL80211_CMD_CONN_FAILED)
530 C2S(NL80211_CMD_SET_MCAST_RATE)
531 C2S(NL80211_CMD_SET_MAC_ACL)
532 C2S(NL80211_CMD_RADAR_DETECT)
533 C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
534 C2S(NL80211_CMD_UPDATE_FT_IES)
535 C2S(NL80211_CMD_FT_EVENT)
536 C2S(NL80211_CMD_CRIT_PROTOCOL_START)
537 C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
17b79e65
JM		 538 C2S(NL80211_CMD_GET_COALESCE)
539 C2S(NL80211_CMD_SET_COALESCE)
540 C2S(NL80211_CMD_CHANNEL_SWITCH)
541 C2S(NL80211_CMD_VENDOR)
542 C2S(NL80211_CMD_SET_QOS_MAP)
2090a0b4
DS		 543 default:
544 return "NL80211_CMD_UNKNOWN";
545 }
546#undef C2S
547}
548
549
8d1fdde7
JD		 550/* Converts nl80211_chan_width to a common format */
551static enum chan_width convert2width(int width)
552{
553 switch (width) {
554 case NL80211_CHAN_WIDTH_20_NOHT:
555 return CHAN_WIDTH_20_NOHT;
556 case NL80211_CHAN_WIDTH_20:
557 return CHAN_WIDTH_20;
558 case NL80211_CHAN_WIDTH_40:
559 return CHAN_WIDTH_40;
560 case NL80211_CHAN_WIDTH_80:
561 return CHAN_WIDTH_80;
562 case NL80211_CHAN_WIDTH_80P80:
563 return CHAN_WIDTH_80P80;
564 case NL80211_CHAN_WIDTH_160:
565 return CHAN_WIDTH_160;
566 }
567 return CHAN_WIDTH_UNKNOWN;
568}
569
570
b1f625e0
EP		 571static int is_ap_interface(enum nl80211_iftype nlmode)
572{
0e80ea2c
JM		 573 return nlmode == NL80211_IFTYPE_AP ||
574 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP		 575}
576
577
578static int is_sta_interface(enum nl80211_iftype nlmode)
579{
0e80ea2c
JM		 580 return nlmode == NL80211_IFTYPE_STATION ||
581 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP		 582}
583
584
6a71413e 585static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 586{
0e80ea2c
JM		 587 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
588 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM		 589}
590
591
5dfbd725
JM		 592static struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
593 int ifindex)
594{
595 struct i802_bss *bss;
596
597 for (bss = drv->first_bss; bss; bss = bss->next) {
598 if (bss->ifindex == ifindex)
599 return bss;
600 }
601
602 return NULL;
603}
604
605
add9b7a4
JM		 606static void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
607{
608 if (drv->associated)
609 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
610 drv->associated = 0;
611 os_memset(drv->bssid, 0, ETH_ALEN);
612}
613
614
f5a8d422
JM		 615struct nl80211_bss_info_arg {
616 struct wpa_driver_nl80211_data *drv;
617 struct wpa_scan_results *res;
618 unsigned int assoc_freq;
c7caac56 619 unsigned int ibss_freq;
20f5a4c2 620 u8 assoc_bssid[ETH_ALEN];
f5a8d422
JM		 621};
622
623static int bss_info_handler(struct nl_msg *msg, void *arg);
624
625
6241fcb1
JM		 626/* nl80211 code */
627static int ack_handler(struct nl_msg *msg, void *arg)
628{
629 int *err = arg;
630 *err = 0;
631 return NL_STOP;
632}
633
634static int finish_handler(struct nl_msg *msg, void *arg)
635{
8e8df255
JM		 636 int *ret = arg;
637 *ret = 0;
6241fcb1
JM		 638 return NL_SKIP;
639}
640
641static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
642 void *arg)
643{
644 int *ret = arg;
645 *ret = err->error;
646 return NL_SKIP;
647}
648
5b7b85f6
JM		 649
650static int no_seq_check(struct nl_msg *msg, void *arg)
651{
652 return NL_OK;
653}
654
655
d6c9aab8 656static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 657 struct nl_handle *nl_handle, struct nl_msg *msg,
658 int (*valid_handler)(struct nl_msg *, void *),
659 void *valid_data)
6241fcb1
JM		 660{
661 struct nl_cb *cb;
662 int err = -ENOMEM;
663
d6c9aab8 664 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 665 if (!cb)
666 goto out;
667
58f6fbe0 668 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 669 if (err < 0)
670 goto out;
671
672 err = 1;
673
674 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 675 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 676 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
677
678 if (valid_handler)
679 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
680 valid_handler, valid_data);
681
34068ac3
JM		 682 while (err > 0) {
683 int res = nl_recvmsgs(nl_handle, cb);
d3d04831 684 if (res < 0) {
34068ac3
JM		 685 wpa_printf(MSG_INFO,
686 "nl80211: %s->nl_recvmsgs failed: %d",
687 __func__, res);
688 }
689 }
6241fcb1
JM		 690 out:
691 nl_cb_put(cb);
692 nlmsg_free(msg);
693 return err;
694}
695
696
d6c9aab8
JB		 697static int send_and_recv_msgs_global(struct nl80211_global *global,
698 struct nl_msg *msg,
699 int (*valid_handler)(struct nl_msg *, void *),
700 void *valid_data)
701{
481234cf 702 return send_and_recv(global, global->nl, msg, valid_handler,
d6c9aab8
JB		 703 valid_data);
704}
705
706
98218963
DS		 707static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
708 struct nl_msg *msg,
709 int (*valid_handler)(struct nl_msg *, void *),
710 void *valid_data)
58f6fbe0 711{
481234cf 712 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 713 valid_handler, valid_data);
58f6fbe0
JM		 714}
715
716
97865538
JM		 717struct family_data {
718 const char *group;
719 int id;
720};
721
722
d3aaef80
DS		 723static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
724{
725 if (bss->wdev_id_set)
726 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
727 else
728 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
729 return 0;
730
731nla_put_failure:
732 return -1;
733}
734
735
97865538
JM		 736static int family_handler(struct nl_msg *msg, void *arg)
737{
738 struct family_data *res = arg;
739 struct nlattr *tb[CTRL_ATTR_MAX + 1];
740 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
741 struct nlattr *mcgrp;
742 int i;
743
744 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
745 genlmsg_attrlen(gnlh, 0), NULL);
746 if (!tb[CTRL_ATTR_MCAST_GROUPS])
747 return NL_SKIP;
748
749 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
750 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
751 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
752 nla_len(mcgrp), NULL);
753 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
754 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
755 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
756 res->group,
757 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
758 continue;
759 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
760 break;
761 };
762
763 return NL_SKIP;
764}
765
766
d6c9aab8 767static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 768 const char *family, const char *group)
769{
770 struct nl_msg *msg;
771 int ret = -1;
772 struct family_data res = { group, -ENOENT };
773
774 msg = nlmsg_alloc();
775 if (!msg)
776 return -ENOMEM;
481234cf 777 genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
97865538
JM		 778 0, 0, CTRL_CMD_GETFAMILY, 0);
779 NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
780
d6c9aab8 781 ret = send_and_recv_msgs_global(global, msg, family_handler, &res);
97865538
JM		 782 msg = NULL;
783 if (ret == 0)
784 ret = res.id;
785
786nla_put_failure:
787 nlmsg_free(msg);
788 return ret;
789}
790
791
9fb04070
JM		 792static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
793 struct nl_msg *msg, int flags, uint8_t cmd)
794{
335d42b1 795 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 796 0, flags, cmd, 0);
9fb04070
JM		 797}
798
799
e32ad281
JB		 800struct wiphy_idx_data {
801 int wiphy_idx;
01517c8b 802 enum nl80211_iftype nlmode;
597b94f5 803 u8 *macaddr;
e32ad281
JB		 804};
805
806
807static int netdev_info_handler(struct nl_msg *msg, void *arg)
808{
809 struct nlattr *tb[NL80211_ATTR_MAX + 1];
810 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
811 struct wiphy_idx_data *info = arg;
812
813 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
814 genlmsg_attrlen(gnlh, 0), NULL);
815
816 if (tb[NL80211_ATTR_WIPHY])
817 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
818
01517c8b
JB		 819 if (tb[NL80211_ATTR_IFTYPE])
820 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
821
597b94f5
AS		 822 if (tb[NL80211_ATTR_MAC] && info->macaddr)
823 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
824 ETH_ALEN);
825
e32ad281
JB		 826 return NL_SKIP;
827}
828
829
830static int nl80211_get_wiphy_index(struct i802_bss *bss)
831{
832 struct nl_msg *msg;
833 struct wiphy_idx_data data = {
834 .wiphy_idx = -1,
597b94f5 835 .macaddr = NULL,
e32ad281
JB		 836 };
837
838 msg = nlmsg_alloc();
839 if (!msg)
8e12685c 840 return NL80211_IFTYPE_UNSPECIFIED;
e32ad281
JB		 841
842 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
843
27ce1d64
AS		 844 if (nl80211_set_iface_id(msg, bss) < 0)
845 goto nla_put_failure;
e32ad281
JB		 846
847 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
848 return data.wiphy_idx;
849 msg = NULL;
850nla_put_failure:
851 nlmsg_free(msg);
852 return -1;
853}
854
855
01517c8b
JB		 856static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
857{
858 struct nl_msg *msg;
859 struct wiphy_idx_data data = {
597b94f5
AS		 860 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
861 .macaddr = NULL,
01517c8b
JB		 862 };
863
864 msg = nlmsg_alloc();
865 if (!msg)
866 return -1;
867
868 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
869
f632e483
AS		 870 if (nl80211_set_iface_id(msg, bss) < 0)
871 goto nla_put_failure;
01517c8b
JB		 872
873 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
874 return data.nlmode;
875 msg = NULL;
876nla_put_failure:
877 nlmsg_free(msg);
878 return NL80211_IFTYPE_UNSPECIFIED;
879}
01517c8b
JB		 880
881
597b94f5
AS		 882static int nl80211_get_macaddr(struct i802_bss *bss)
883{
884 struct nl_msg *msg;
885 struct wiphy_idx_data data = {
886 .macaddr = bss->addr,
887 };
888
889 msg = nlmsg_alloc();
890 if (!msg)
891 return NL80211_IFTYPE_UNSPECIFIED;
892
893 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
894 if (nl80211_set_iface_id(msg, bss) < 0)
895 goto nla_put_failure;
896
897 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
898
899nla_put_failure:
900 nlmsg_free(msg);
901 return NL80211_IFTYPE_UNSPECIFIED;
902}
597b94f5
AS		 903
904
e32ad281
JB		 905static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
906 struct nl80211_wiphy_data *w)
907{
908 struct nl_msg *msg;
909 int ret = -1;
910
911 msg = nlmsg_alloc();
912 if (!msg)
913 return -1;
914
915 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS);
916
917 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx);
918
481234cf 919 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 920 msg = NULL;
921 if (ret) {
922 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
923 "failed: ret=%d (%s)",
924 ret, strerror(-ret));
925 goto nla_put_failure;
926 }
927 ret = 0;
928nla_put_failure:
929 nlmsg_free(msg);
930 return ret;
931}
932
933
934static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
935{
936 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 937 int res;
e32ad281 938
ee9fc67a 939 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 940
34068ac3 941 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 942 if (res < 0) {
34068ac3
JM		 943 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
944 __func__, res);
945 }
e32ad281
JB		 946}
947
948
949static int process_beacon_event(struct nl_msg *msg, void *arg)
950{
951 struct nl80211_wiphy_data *w = arg;
952 struct wpa_driver_nl80211_data *drv;
953 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
954 struct nlattr *tb[NL80211_ATTR_MAX + 1];
955 union wpa_event_data event;
956
957 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
958 genlmsg_attrlen(gnlh, 0), NULL);
959
960 if (gnlh->cmd != NL80211_CMD_FRAME) {
961 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
962 gnlh->cmd);
963 return NL_SKIP;
964 }
965
966 if (!tb[NL80211_ATTR_FRAME])
967 return NL_SKIP;
968
969 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
970 wiphy_list) {
971 os_memset(&event, 0, sizeof(event));
972 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
973 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
974 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
975 }
976
977 return NL_SKIP;
978}
979
980
981static struct nl80211_wiphy_data *
982nl80211_get_wiphy_data_ap(struct i802_bss *bss)
983{
984 static DEFINE_DL_LIST(nl80211_wiphys);
985 struct nl80211_wiphy_data *w;
986 int wiphy_idx, found = 0;
987 struct i802_bss *tmp_bss;
988
989 if (bss->wiphy_data != NULL)
990 return bss->wiphy_data;
991
992 wiphy_idx = nl80211_get_wiphy_index(bss);
993
994 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
995 if (w->wiphy_idx == wiphy_idx)
996 goto add;
997 }
998
999 /* alloc new one */
1000 w = os_zalloc(sizeof(*w));
1001 if (w == NULL)
1002 return NULL;
1003 w->wiphy_idx = wiphy_idx;
1004 dl_list_init(&w->bsss);
1005 dl_list_init(&w->drvs);
1006
1007 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1008 if (!w->nl_cb) {
1009 os_free(w);
1010 return NULL;
1011 }
1012 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
1013 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
1014 w);
1015
481234cf
JM		 1016 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
1017 "wiphy beacons");
1018 if (w->nl_beacons == NULL) {
e32ad281
JB		 1019 os_free(w);
1020 return NULL;
1021 }
1022
1023 if (nl80211_register_beacons(bss->drv, w)) {
1024 nl_destroy_handles(&w->nl_beacons);
1025 os_free(w);
1026 return NULL;
1027 }
1028
5f65e9f7 1029 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
e32ad281
JB		 1030
1031 dl_list_add(&nl80211_wiphys, &w->list);
1032
1033add:
1034 /* drv entry for this bss already there? */
1035 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
1036 if (tmp_bss->drv == bss->drv) {
1037 found = 1;
1038 break;
1039 }
1040 }
1041 /* if not add it */
1042 if (!found)
1043 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
1044
1045 dl_list_add(&w->bsss, &bss->wiphy_list);
1046 bss->wiphy_data = w;
1047 return w;
1048}
1049
1050
1051static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
1052{
1053 struct nl80211_wiphy_data *w = bss->wiphy_data;
1054 struct i802_bss *tmp_bss;
1055 int found = 0;
1056
1057 if (w == NULL)
1058 return;
1059 bss->wiphy_data = NULL;
1060 dl_list_del(&bss->wiphy_list);
1061
1062 /* still any for this drv present? */
1063 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
1064 if (tmp_bss->drv == bss->drv) {
1065 found = 1;
1066 break;
1067 }
1068 }
1069 /* if not remove it */
1070 if (!found)
1071 dl_list_del(&bss->drv->wiphy_list);
1072
1073 if (!dl_list_empty(&w->bsss))
1074 return;
1075
5f65e9f7 1076 nl80211_destroy_eloop_handle(&w->nl_beacons);
e32ad281
JB		 1077
1078 nl_cb_put(w->nl_cb);
e32ad281
JB		 1079 dl_list_del(&w->list);
1080 os_free(w);
1081}
1082
1083
3f5285e8
JM		 1084static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
1085{
a2e40bb6
FF		 1086 struct i802_bss *bss = priv;
1087 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 1088 if (!drv->associated)
1089 return -1;
1090 os_memcpy(bssid, drv->bssid, ETH_ALEN);
1091 return 0;
3f5285e8
JM		 1092}
1093
1094
3f5285e8
JM		 1095static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
1096{
a2e40bb6
FF		 1097 struct i802_bss *bss = priv;
1098 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 1099 if (!drv->associated)
1100 return -1;
1101 os_memcpy(ssid, drv->ssid, drv->ssid_len);
1102 return drv->ssid_len;
3f5285e8
JM		 1103}
1104
1105
90a545cc
JM		 1106static void wpa_driver_nl80211_event_newlink(
1107 struct wpa_driver_nl80211_data *drv, char *ifname)
3f5285e8
JM		 1108{
1109 union wpa_event_data event;
1110
90a545cc
JM		 1111 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
1112 if (if_nametoindex(drv->first_bss->ifname) == 0) {
1113 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
1114 drv->first_bss->ifname);
1115 return;
1116 }
1117 if (!drv->if_removed)
1118 return;
1119 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
1120 drv->first_bss->ifname);
1121 drv->if_removed = 0;
1122 }
1123
3f5285e8 1124 os_memset(&event, 0, sizeof(event));
90a545cc
JM		 1125 os_strlcpy(event.interface_status.ifname, ifname,
1126 sizeof(event.interface_status.ifname));
1127 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1128 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1129}
1130
1131
1132static void wpa_driver_nl80211_event_dellink(
1133 struct wpa_driver_nl80211_data *drv, char *ifname)
1134{
1135 union wpa_event_data event;
1136
1137 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
1138 if (drv->if_removed) {
1139 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
1140 ifname);
1141 return;
d1f4942b 1142 }
90a545cc
JM		 1143 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
1144 ifname);
1145 drv->if_removed = 1;
1146 } else {
1147 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
1148 ifname);
7524cfb1
JM		 1149 }
1150
90a545cc
JM		 1151 os_memset(&event, 0, sizeof(event));
1152 os_strlcpy(event.interface_status.ifname, ifname,
1153 sizeof(event.interface_status.ifname));
1154 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
08063178 1155 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
3f5285e8
JM		 1156}
1157
1158
7524cfb1 1159static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 1160 u8 *buf, size_t len)
7524cfb1 1161{
62d680c3 1162 int attrlen, rta_len;
7524cfb1
JM		 1163 struct rtattr *attr;
1164
62d680c3
JM		 1165 attrlen = len;
1166 attr = (struct rtattr *) buf;
7524cfb1
JM		 1167
1168 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1169 while (RTA_OK(attr, attrlen)) {
1170 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 1171 if (os_strcmp(((char *) attr) + rta_len,
1172 drv->first_bss->ifname) == 0)
7524cfb1
JM		 1173 return 1;
1174 else
1175 break;
1176 }
1177 attr = RTA_NEXT(attr, attrlen);
1178 }
1179
1180 return 0;
1181}
1182
1183
1184static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 1185 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 1186{
1187 if (drv->ifindex == ifindex)
1188 return 1;
1189
62d680c3 1190 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
7524cfb1
JM		 1191 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
1192 "interface");
49b4b205 1193 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0);
7524cfb1
JM		 1194 return 1;
1195 }
1196
1197 return 0;
1198}
1199
1200
36d84860
BG		 1201static struct wpa_driver_nl80211_data *
1202nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
1203{
1204 struct wpa_driver_nl80211_data *drv;
1205 dl_list_for_each(drv, &global->interfaces,
1206 struct wpa_driver_nl80211_data, list) {
1207 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
1208 have_ifidx(drv, idx))
1209 return drv;
1210 }
1211 return NULL;
1212}
1213
1214
62d680c3
JM		 1215static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1216 struct ifinfomsg *ifi,
1217 u8 *buf, size_t len)
3f5285e8 1218{
36d84860
BG		 1219 struct nl80211_global *global = ctx;
1220 struct wpa_driver_nl80211_data *drv;
90a545cc 1221 int attrlen;
62d680c3 1222 struct rtattr *attr;
97cfcf64 1223 u32 brid = 0;
aef85ba2 1224 char namebuf[IFNAMSIZ];
90a545cc
JM		 1225 char ifname[IFNAMSIZ + 1];
1226 char extra[100], *pos, *end;
3f5285e8 1227
36d84860
BG		 1228 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1229 if (!drv) {
90a545cc
JM		 1230 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d",
1231 ifi->ifi_index);
3f5285e8
JM		 1232 return;
1233 }
1234
90a545cc
JM		 1235 extra[0] = '\0';
1236 pos = extra;
1237 end = pos + sizeof(extra);
1238 ifname[0] = '\0';
1239
1240 attrlen = len;
1241 attr = (struct rtattr *) buf;
1242 while (RTA_OK(attr, attrlen)) {
1243 switch (attr->rta_type) {
1244 case IFLA_IFNAME:
1245 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1246 break;
1247 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1248 ifname[RTA_PAYLOAD(attr)] = '\0';
1249 break;
1250 case IFLA_MASTER:
1251 brid = nla_get_u32((struct nlattr *) attr);
1252 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1253 break;
1254 case IFLA_WIRELESS:
1255 pos += os_snprintf(pos, end - pos, " wext");
1256 break;
1257 case IFLA_OPERSTATE:
1258 pos += os_snprintf(pos, end - pos, " operstate=%u",
1259 nla_get_u32((struct nlattr *) attr));
1260 break;
1261 case IFLA_LINKMODE:
1262 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1263 nla_get_u32((struct nlattr *) attr));
1264 break;
1265 }
1266 attr = RTA_NEXT(attr, attrlen);
1267 }
1268 extra[sizeof(extra) - 1] = '\0';
1269
f2e90835
JM		 1270 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1271 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1272 ifi->ifi_flags,
3f5285e8
JM		 1273 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1274 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1275 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1276 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4
JM		 1277
1278 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
59d24925
JM		 1279 if (if_indextoname(ifi->ifi_index, namebuf) &&
1280 linux_iface_up(drv->global->ioctl_sock,
834ee56f 1281 drv->first_bss->ifname) > 0) {
59d24925
JM		 1282 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1283 "event since interface %s is up", namebuf);
1284 return;
1285 }
a63063b4 1286 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
7d9c3698
JM		 1287 if (drv->ignore_if_down_event) {
1288 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1289 "event generated by mode change");
1290 drv->ignore_if_down_event = 0;
1291 } else {
1292 drv->if_disabled = 1;
1293 wpa_supplicant_event(drv->ctx,
1294 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 1295
1296 /*
1297 * Try to get drv again, since it may be removed as
1298 * part of the EVENT_INTERFACE_DISABLED handling for
1299 * dynamic interfaces
1300 */
1301 drv = nl80211_find_drv(global, ifi->ifi_index,
1302 buf, len);
1303 if (!drv)
1304 return;
7d9c3698 1305 }
a63063b4
JM		 1306 }
1307
1308 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2
JM		 1309 if (if_indextoname(ifi->ifi_index, namebuf) &&
1310 linux_iface_up(drv->global->ioctl_sock,
834ee56f 1311 drv->first_bss->ifname) == 0) {
aef85ba2
JM		 1312 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1313 "event since interface %s is down",
1314 namebuf);
834ee56f 1315 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 1316 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1317 "event since interface %s does not exist",
834ee56f 1318 drv->first_bss->ifname);
d1f4942b
JM		 1319 } else if (drv->if_removed) {
1320 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1321 "event since interface %s is marked "
834ee56f 1322 "removed", drv->first_bss->ifname);
aef85ba2 1323 } else {
3e0272ca
DW		 1324 struct i802_bss *bss;
1325 u8 addr[ETH_ALEN];
1326
1327 /* Re-read MAC address as it may have changed */
1328 bss = get_bss_ifindex(drv, ifi->ifi_index);
1329 if (bss &&
1330 linux_get_ifhwaddr(drv->global->ioctl_sock,
1331 bss->ifname, addr) < 0) {
1332 wpa_printf(MSG_DEBUG,
1333 "nl80211: %s: failed to re-read MAC address",
1334 bss->ifname);
1335 } else if (bss &&
1336 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1337 wpa_printf(MSG_DEBUG,
1338 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1339 MACSTR " to " MACSTR,
1340 ifi->ifi_index, bss->ifname,
1341 MAC2STR(bss->addr),
1342 MAC2STR(addr));
1343 os_memcpy(bss->addr, addr, ETH_ALEN);
1344 }
1345
aef85ba2
JM		 1346 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1347 drv->if_disabled = 0;
1348 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1349 NULL);
1350 }
a63063b4
JM		 1351 }
1352
3f5285e8
JM		 1353 /*
1354 * Some drivers send the association event before the operup event--in
1355 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1356 * fails. This will hit us when wpa_supplicant does not need to do
1357 * IEEE 802.1X authentication
1358 */
1359 if (drv->operstate == 1 &&
1360 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 1361 !(ifi->ifi_flags & IFF_RUNNING)) {
1362 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1363 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1364 -1, IF_OPER_UP);
3f5285e8 1365 }
97cfcf64 1366
90a545cc
JM		 1367 if (ifname[0])
1368 wpa_driver_nl80211_event_newlink(drv, ifname);
1369
97cfcf64
B		 1370 if (ifi->ifi_family == AF_BRIDGE && brid) {
1371 /* device has been added to bridge */
97cfcf64
B		 1372 if_indextoname(brid, namebuf);
1373 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1374 brid, namebuf);
1375 add_ifidx(drv, brid);
1376 }
3f5285e8
JM		 1377}
1378
1379
62d680c3
JM		 1380static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1381 struct ifinfomsg *ifi,
1382 u8 *buf, size_t len)
3f5285e8 1383{
36d84860
BG		 1384 struct nl80211_global *global = ctx;
1385 struct wpa_driver_nl80211_data *drv;
90a545cc 1386 int attrlen;
62d680c3 1387 struct rtattr *attr;
97cfcf64 1388 u32 brid = 0;
90a545cc 1389 char ifname[IFNAMSIZ + 1];
f2e90835 1390 char extra[100], *pos, *end;
3f5285e8 1391
36d84860
BG		 1392 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1393 if (!drv) {
90a545cc
JM		 1394 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d",
1395 ifi->ifi_index);
36d84860
BG		 1396 return;
1397 }
1398
f2e90835
JM		 1399 extra[0] = '\0';
1400 pos = extra;
1401 end = pos + sizeof(extra);
90a545cc
JM		 1402 ifname[0] = '\0';
1403
62d680c3
JM		 1404 attrlen = len;
1405 attr = (struct rtattr *) buf;
3f5285e8 1406 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1407 switch (attr->rta_type) {
1408 case IFLA_IFNAME:
1409 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1410 break;
1411 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1412 ifname[RTA_PAYLOAD(attr)] = '\0';
1413 break;
1414 case IFLA_MASTER:
97cfcf64 1415 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM		 1416 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1417 break;
1418 case IFLA_OPERSTATE:
1419 pos += os_snprintf(pos, end - pos, " operstate=%u",
1420 nla_get_u32((struct nlattr *) attr));
1421 break;
1422 case IFLA_LINKMODE:
1423 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1424 nla_get_u32((struct nlattr *) attr));
90a545cc
JM		 1425 break;
1426 }
3f5285e8
JM		 1427 attr = RTA_NEXT(attr, attrlen);
1428 }
f2e90835
JM		 1429 extra[sizeof(extra) - 1] = '\0';
1430
1431 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1432 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1433 ifi->ifi_flags,
1434 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1435 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1436 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1437 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1438
728ff2f4 1439 if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid))
90a545cc
JM		 1440 wpa_driver_nl80211_event_dellink(drv, ifname);
1441
97cfcf64
B		 1442 if (ifi->ifi_family == AF_BRIDGE && brid) {
1443 /* device has been removed from bridge */
1444 char namebuf[IFNAMSIZ];
1445 if_indextoname(brid, namebuf);
1446 wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
1447 "%s", brid, namebuf);
1448 del_ifidx(drv, brid);
1449 }
3f5285e8
JM		 1450}
1451
1452
c2a04078
JM		 1453static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
1454 const u8 *frame, size_t len)
1455{
1456 const struct ieee80211_mgmt *mgmt;
1457 union wpa_event_data event;
1458
b497a212
JM		 1459 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
1460 drv->force_connect_cmd) {
1461 /*
1462 * Avoid reporting two association events that would confuse
1463 * the core code.
1464 */
1465 wpa_printf(MSG_DEBUG,
1466 "nl80211: Ignore auth event when using driver SME");
1467 return;
1468 }
1469
7d81932d 1470 wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
c2a04078
JM		 1471 mgmt = (const struct ieee80211_mgmt *) frame;
1472 if (len < 24 + sizeof(mgmt->u.auth)) {
1473 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1474 "frame");
1475 return;
1476 }
1477
e6b8efeb 1478 os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1479 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
c2a04078
JM		 1480 os_memset(&event, 0, sizeof(event));
1481 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
1482 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
569fed90
JM		 1483 event.auth.auth_transaction =
1484 le_to_host16(mgmt->u.auth.auth_transaction);
c2a04078
JM		 1485 event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
1486 if (len > 24 + sizeof(mgmt->u.auth)) {
1487 event.auth.ies = mgmt->u.auth.variable;
1488 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
1489 }
1490
1491 wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
1492}
1493
1494
f5a8d422
JM		 1495static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1496{
1497 struct nl_msg *msg;
1498 int ret;
1499 struct nl80211_bss_info_arg arg;
1500
1501 os_memset(&arg, 0, sizeof(arg));
1502 msg = nlmsg_alloc();
1503 if (!msg)
1504 goto nla_put_failure;
1505
9fb04070 1506 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422
JM		 1507 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
1508
1509 arg.drv = drv;
1510 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1511 msg = NULL;
1512 if (ret == 0) {
c7caac56
JM		 1513 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1514 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1515 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM		 1516 "associated BSS from scan results: %u MHz", freq);
1517 if (freq)
1518 drv->assoc_freq = freq;
30158a0d 1519 return drv->assoc_freq;
f5a8d422
JM		 1520 }
1521 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1522 "(%s)", ret, strerror(-ret));
1523nla_put_failure:
1524 nlmsg_free(msg);
1525 return drv->assoc_freq;
1526}
1527
1528
c2a04078
JM		 1529static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
1530 const u8 *frame, size_t len)
1531{
1532 const struct ieee80211_mgmt *mgmt;
1533 union wpa_event_data event;
1534 u16 status;
1535
b497a212
JM		 1536 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
1537 drv->force_connect_cmd) {
1538 /*
1539 * Avoid reporting two association events that would confuse
1540 * the core code.
1541 */
1542 wpa_printf(MSG_DEBUG,
1543 "nl80211: Ignore assoc event when using driver SME");
1544 return;
1545 }
1546
7d81932d 1547 wpa_printf(MSG_DEBUG, "nl80211: Associate event");
c2a04078
JM		 1548 mgmt = (const struct ieee80211_mgmt *) frame;
1549 if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
1550 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1551 "frame");
1552 return;
1553 }
1554
1555 status = le_to_host16(mgmt->u.assoc_resp.status_code);
1556 if (status != WLAN_STATUS_SUCCESS) {
efa46078 1557 os_memset(&event, 0, sizeof(event));
59ddf221 1558 event.assoc_reject.bssid = mgmt->bssid;
efa46078
JM		 1559 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1560 event.assoc_reject.resp_ies =
1561 (u8 *) mgmt->u.assoc_resp.variable;
1562 event.assoc_reject.resp_ies_len =
1563 len - 24 - sizeof(mgmt->u.assoc_resp);
1564 }
1565 event.assoc_reject.status_code = status;
1566
1567 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
c2a04078
JM		 1568 return;
1569 }
1570
1571 drv->associated = 1;
1572 os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1573 os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
c2a04078
JM		 1574
1575 os_memset(&event, 0, sizeof(event));
1576 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1577 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
1578 event.assoc_info.resp_ies_len =
efa46078 1579 len - 24 - sizeof(mgmt->u.assoc_resp);
c2a04078
JM		 1580 }
1581
4832ecd7
JM		 1582 event.assoc_info.freq = drv->assoc_freq;
1583
c2a04078
JM		 1584 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1585}
1586
c1bb3e0a 1587
da72a1c1
ZY		 1588static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
1589 enum nl80211_commands cmd, struct nlattr *status,
1590 struct nlattr *addr, struct nlattr *req_ie,
1591 struct nlattr *resp_ie)
1592{
1593 union wpa_event_data event;
1594
7da2c527
JM		 1595 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1596 /*
1597 * Avoid reporting two association events that would confuse
1598 * the core code.
1599 */
1600 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
1601 "when using userspace SME", cmd);
1602 return;
1603 }
1604
7d81932d
JM		 1605 if (cmd == NL80211_CMD_CONNECT)
1606 wpa_printf(MSG_DEBUG, "nl80211: Connect event");
1607 else if (cmd == NL80211_CMD_ROAM)
1608 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
1609
da72a1c1
ZY		 1610 os_memset(&event, 0, sizeof(event));
1611 if (cmd == NL80211_CMD_CONNECT &&
1612 nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
df89c1c8
JM		 1613 if (addr)
1614 event.assoc_reject.bssid = nla_data(addr);
da72a1c1
ZY		 1615 if (resp_ie) {
1616 event.assoc_reject.resp_ies = nla_data(resp_ie);
1617 event.assoc_reject.resp_ies_len = nla_len(resp_ie);
1618 }
1619 event.assoc_reject.status_code = nla_get_u16(status);
1620 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
1621 return;
1622 }
1623
1624 drv->associated = 1;
add9b7a4 1625 if (addr) {
da72a1c1 1626 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
add9b7a4
JM		 1627 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
1628 }
da72a1c1
ZY		 1629
1630 if (req_ie) {
1631 event.assoc_info.req_ies = nla_data(req_ie);
1632 event.assoc_info.req_ies_len = nla_len(req_ie);
1633 }
1634 if (resp_ie) {
1635 event.assoc_info.resp_ies = nla_data(resp_ie);
1636 event.assoc_info.resp_ies_len = nla_len(resp_ie);
1637 }
1638
f5a8d422
JM		 1639 event.assoc_info.freq = nl80211_get_assoc_freq(drv);
1640
da72a1c1
ZY		 1641 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1642}
c2a04078 1643
c1bb3e0a 1644
20f5a4c2 1645static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
3d9975d5
JM		 1646 struct nlattr *reason, struct nlattr *addr,
1647 struct nlattr *by_ap)
20f5a4c2
JM		 1648{
1649 union wpa_event_data data;
a8c5b43a 1650 unsigned int locally_generated = by_ap == NULL;
20f5a4c2
JM		 1651
1652 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1653 /*
1654 * Avoid reporting two disassociation events that could
1655 * confuse the core code.
1656 */
1657 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1658 "event when using userspace SME");
1659 return;
1660 }
1661
a8c5b43a
CW		 1662 if (drv->ignore_next_local_disconnect) {
1663 drv->ignore_next_local_disconnect = 0;
1664 if (locally_generated) {
1665 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1666 "event triggered during reassociation");
1667 return;
1668 }
1669 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
1670 "disconnect but got another disconnect "
1671 "event first");
1672 }
1673
7d81932d 1674 wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
add9b7a4 1675 nl80211_mark_disconnected(drv);
20f5a4c2
JM		 1676 os_memset(&data, 0, sizeof(data));
1677 if (reason)
2e9f078c
JM		 1678 data.deauth_info.reason_code = nla_get_u16(reason);
1679 data.deauth_info.locally_generated = by_ap == NULL;
1680 wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
20f5a4c2
JM		 1681}
1682
1683
4b0f2282
MK		 1684static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
1685{
1686 int freq1 = 0;
1687
1688 switch (convert2width(width)) {
1689 case CHAN_WIDTH_20_NOHT:
1690 case CHAN_WIDTH_20:
1691 return 0;
1692 case CHAN_WIDTH_40:
1693 freq1 = cf1 - 10;
1694 break;
1695 case CHAN_WIDTH_80:
1696 freq1 = cf1 - 30;
1697 break;
1698 case CHAN_WIDTH_160:
1699 freq1 = cf1 - 70;
1700 break;
1701 case CHAN_WIDTH_UNKNOWN:
1702 case CHAN_WIDTH_80P80:
1703 /* FIXME: implement this */
1704 return 0;
1705 }
1706
1707 return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
1708}
1709
1710
1b487b8b 1711static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
8d1fdde7
JD		 1712 struct nlattr *ifindex, struct nlattr *freq,
1713 struct nlattr *type, struct nlattr *bw,
1714 struct nlattr *cf1, struct nlattr *cf2)
1b487b8b 1715{
8d1fdde7 1716 struct i802_bss *bss;
1b487b8b
TP		 1717 union wpa_event_data data;
1718 int ht_enabled = 1;
1719 int chan_offset = 0;
8d1fdde7 1720 int ifidx;
1b487b8b
TP		 1721
1722 wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
1723
8d1fdde7 1724 if (!freq)
1b487b8b
TP		 1725 return;
1726
8d1fdde7 1727 ifidx = nla_get_u32(ifindex);
5dfbd725 1728 bss = get_bss_ifindex(drv, ifidx);
8d1fdde7
JD		 1729 if (bss == NULL) {
1730 wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
1731 ifidx);
1732 return;
1b487b8b
TP		 1733 }
1734
8d1fdde7
JD		 1735 if (type) {
1736 switch (nla_get_u32(type)) {
1737 case NL80211_CHAN_NO_HT:
1738 ht_enabled = 0;
1739 break;
1740 case NL80211_CHAN_HT20:
1741 break;
1742 case NL80211_CHAN_HT40PLUS:
1743 chan_offset = 1;
1744 break;
1745 case NL80211_CHAN_HT40MINUS:
1746 chan_offset = -1;
1747 break;
1748 }
4b0f2282
MK		 1749 } else if (bw && cf1) {
1750 /* This can happen for example with VHT80 ch switch */
1751 chan_offset = calculate_chan_offset(nla_get_u32(bw),
1752 nla_get_u32(freq),
1753 nla_get_u32(cf1),
1754 cf2 ? nla_get_u32(cf2) : 0);
1755 } else {
1756 wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
8d1fdde7
JD		 1757 }
1758
1759 os_memset(&data, 0, sizeof(data));
1b487b8b
TP		 1760 data.ch_switch.freq = nla_get_u32(freq);
1761 data.ch_switch.ht_enabled = ht_enabled;
1762 data.ch_switch.ch_offset = chan_offset;
8d1fdde7
JD		 1763 if (bw)
1764 data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
1765 if (cf1)
1766 data.ch_switch.cf1 = nla_get_u32(cf1);
1767 if (cf2)
1768 data.ch_switch.cf2 = nla_get_u32(cf2);
1b487b8b 1769
8d1fdde7 1770 bss->freq = data.ch_switch.freq;
1c4ffa87 1771
6782b684 1772 wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
1b487b8b
TP		 1773}
1774
1775
da1fb17c
JM		 1776static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
1777 enum nl80211_commands cmd, struct nlattr *addr)
1778{
1779 union wpa_event_data event;
1780 enum wpa_event_type ev;
1781
1782 if (nla_len(addr) != ETH_ALEN)
1783 return;
1784
1785 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
1786 cmd, MAC2STR((u8 *) nla_data(addr)));
1787
1788 if (cmd == NL80211_CMD_AUTHENTICATE)
1789 ev = EVENT_AUTH_TIMED_OUT;
1790 else if (cmd == NL80211_CMD_ASSOCIATE)
1791 ev = EVENT_ASSOC_TIMED_OUT;
1792 else
1793 return;
1794
1795 os_memset(&event, 0, sizeof(event));
1796 os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
1797 wpa_supplicant_event(drv->ctx, ev, &event);
1798}
1799
1800
1d91f504 1801static void mlme_event_mgmt(struct i802_bss *bss,
da873dbb
JB		 1802 struct nlattr *freq, struct nlattr *sig,
1803 const u8 *frame, size_t len)
58f6fbe0 1804{
1d91f504 1805 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0
JM		 1806 const struct ieee80211_mgmt *mgmt;
1807 union wpa_event_data event;
1808 u16 fc, stype;
da873dbb 1809 int ssi_signal = 0;
f18b7817 1810 int rx_freq = 0;
58f6fbe0 1811
cc2ada86 1812 wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
58f6fbe0
JM		 1813 mgmt = (const struct ieee80211_mgmt *) frame;
1814 if (len < 24) {
dbfb8e82 1815 wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
58f6fbe0
JM		 1816 return;
1817 }
1818
1819 fc = le_to_host16(mgmt->frame_control);
1820 stype = WLAN_FC_GET_STYPE(fc);
1821
da873dbb
JB		 1822 if (sig)
1823 ssi_signal = (s32) nla_get_u32(sig);
1824
58f6fbe0 1825 os_memset(&event, 0, sizeof(event));
5582a5d1 1826 if (freq) {
dbfb8e82
JM		 1827 event.rx_mgmt.freq = nla_get_u32(freq);
1828 rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
5582a5d1 1829 }
f18b7817 1830 wpa_printf(MSG_DEBUG,
f95a4524
PF		 1831 "nl80211: RX frame sa=" MACSTR
1832 " freq=%d ssi_signal=%d stype=%u (%s) len=%u",
1833 MAC2STR(mgmt->sa), rx_freq, ssi_signal, stype, fc2str(fc),
dedfa440 1834 (unsigned int) len);
dbfb8e82
JM		 1835 event.rx_mgmt.frame = frame;
1836 event.rx_mgmt.frame_len = len;
1837 event.rx_mgmt.ssi_signal = ssi_signal;
1d91f504 1838 event.rx_mgmt.drv_priv = bss;
dbfb8e82 1839 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
58f6fbe0
JM		 1840}
1841
1842
a11241fa
JB		 1843static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
1844 struct nlattr *cookie, const u8 *frame,
1845 size_t len, struct nlattr *ack)
58f6fbe0
JM		 1846{
1847 union wpa_event_data event;
1848 const struct ieee80211_hdr *hdr;
1849 u16 fc;
58f6fbe0 1850
7d81932d 1851 wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
a11241fa
JB		 1852 if (!is_ap_interface(drv->nlmode)) {
1853 u64 cookie_val;
58f6fbe0 1854
a11241fa
JB		 1855 if (!cookie)
1856 return;
1857
1858 cookie_val = nla_get_u64(cookie);
1859 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
1860 " cookie=0%llx%s (ack=%d)",
1861 (long long unsigned int) cookie_val,
1862 cookie_val == drv->send_action_cookie ?
1863 " (match)" : " (unknown)", ack != NULL);
1864 if (cookie_val != drv->send_action_cookie)
1865 return;
1866 }
58f6fbe0
JM		 1867
1868 hdr = (const struct ieee80211_hdr *) frame;
1869 fc = le_to_host16(hdr->frame_control);
1870
1871 os_memset(&event, 0, sizeof(event));
1872 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1873 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1874 event.tx_status.dst = hdr->addr1;
1875 event.tx_status.data = frame;
1876 event.tx_status.data_len = len;
1877 event.tx_status.ack = ack != NULL;
1878 wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
1879}
1880
1881
0544b242
JM		 1882static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
1883 enum wpa_event_type type,
1884 const u8 *frame, size_t len)
1885{
1886 const struct ieee80211_mgmt *mgmt;
1887 union wpa_event_data event;
1888 const u8 *bssid = NULL;
1889 u16 reason_code = 0;
1890
7d81932d
JM		 1891 if (type == EVENT_DEAUTH)
1892 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
1893 else
1894 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
1895
cb30b297
PS		 1896 mgmt = (const struct ieee80211_mgmt *) frame;
1897 if (len >= 24) {
1898 bssid = mgmt->bssid;
1899
add9b7a4
JM		 1900 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
1901 !drv->associated &&
1902 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
1903 os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
1904 os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
1905 /*
1906 * Avoid issues with some roaming cases where
1907 * disconnection event for the old AP may show up after
1908 * we have started connection with the new AP.
1909 */
1910 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
1911 MAC2STR(bssid),
1912 MAC2STR(drv->auth_attempt_bssid));
1913 return;
1914 }
1915
cb30b297
PS		 1916 if (drv->associated != 0 &&
1917 os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
1918 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
1919 /*
1920 * We have presumably received this deauth as a
1921 * response to a clear_state_mismatch() outgoing
1922 * deauth. Don't let it take us offline!
1923 */
1924 wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
1925 "from Unknown BSSID " MACSTR " -- ignoring",
1926 MAC2STR(bssid));
1927 return;
1928 }
1929 }
1930
add9b7a4 1931 nl80211_mark_disconnected(drv);
0544b242
JM		 1932 os_memset(&event, 0, sizeof(event));
1933
0544b242
JM		 1934 /* Note: Same offset for Reason Code in both frame subtypes */
1935 if (len >= 24 + sizeof(mgmt->u.deauth))
1936 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1937
1938 if (type == EVENT_DISASSOC) {
3d9975d5 1939 event.disassoc_info.locally_generated =
834ee56f 1940 !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
0544b242
JM		 1941 event.disassoc_info.addr = bssid;
1942 event.disassoc_info.reason_code = reason_code;
046b26a2
JM		 1943 if (frame + len > mgmt->u.disassoc.variable) {
1944 event.disassoc_info.ie = mgmt->u.disassoc.variable;
1945 event.disassoc_info.ie_len = frame + len -
1946 mgmt->u.disassoc.variable;
1947 }
0544b242 1948 } else {
e8d70a73
JM		 1949 if (drv->ignore_deauth_event) {
1950 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
1951 drv->ignore_deauth_event = 0;
1952 return;
1953 }
3d9975d5 1954 event.deauth_info.locally_generated =
834ee56f 1955 !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
d6a36f39
JM		 1956 if (drv->ignore_next_local_deauth) {
1957 drv->ignore_next_local_deauth = 0;
1958 if (event.deauth_info.locally_generated) {
1959 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
1960 return;
1961 }
1962 wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
1963 }
0544b242
JM		 1964 event.deauth_info.addr = bssid;
1965 event.deauth_info.reason_code = reason_code;
046b26a2
JM		 1966 if (frame + len > mgmt->u.deauth.variable) {
1967 event.deauth_info.ie = mgmt->u.deauth.variable;
1968 event.deauth_info.ie_len = frame + len -
1969 mgmt->u.deauth.variable;
1970 }
0544b242
JM		 1971 }
1972
1973 wpa_supplicant_event(drv->ctx, type, &event);
1974}
1975
1976
7d878ca7
JM		 1977static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
1978 enum wpa_event_type type,
1979 const u8 *frame, size_t len)
1980{
1981 const struct ieee80211_mgmt *mgmt;
1982 union wpa_event_data event;
1983 u16 reason_code = 0;
1984
7d81932d
JM		 1985 if (type == EVENT_UNPROT_DEAUTH)
1986 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
1987 else
1988 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
1989
7d878ca7
JM		 1990 if (len < 24)
1991 return;
1992
1993 mgmt = (const struct ieee80211_mgmt *) frame;
1994
1995 os_memset(&event, 0, sizeof(event));
1996 /* Note: Same offset for Reason Code in both frame subtypes */
1997 if (len >= 24 + sizeof(mgmt->u.deauth))
1998 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1999
2000 if (type == EVENT_UNPROT_DISASSOC) {
2001 event.unprot_disassoc.sa = mgmt->sa;
2002 event.unprot_disassoc.da = mgmt->da;
2003 event.unprot_disassoc.reason_code = reason_code;
2004 } else {
2005 event.unprot_deauth.sa = mgmt->sa;
2006 event.unprot_deauth.da = mgmt->da;
2007 event.unprot_deauth.reason_code = reason_code;
2008 }
2009
2010 wpa_supplicant_event(drv->ctx, type, &event);
2011}
2012
2013
97279d8d 2014static void mlme_event(struct i802_bss *bss,
da1fb17c 2015 enum nl80211_commands cmd, struct nlattr *frame,
58f6fbe0
JM		 2016 struct nlattr *addr, struct nlattr *timed_out,
2017 struct nlattr *freq, struct nlattr *ack,
da873dbb 2018 struct nlattr *cookie, struct nlattr *sig)
c2a04078 2019{
97279d8d
JM		 2020 struct wpa_driver_nl80211_data *drv = bss->drv;
2021 const u8 *data;
2022 size_t len;
2023
da1fb17c
JM		 2024 if (timed_out && addr) {
2025 mlme_timeout_event(drv, cmd, addr);
2026 return;
2027 }
2028
c2a04078 2029 if (frame == NULL) {
2090a0b4
DS		 2030 wpa_printf(MSG_DEBUG,
2031 "nl80211: MLME event %d (%s) without frame data",
2032 cmd, nl80211_command_to_string(cmd));
c2a04078
JM		 2033 return;
2034 }
2035
97279d8d
JM		 2036 data = nla_data(frame);
2037 len = nla_len(frame);
455299fb 2038 if (len < 4 + 2 * ETH_ALEN) {
2090a0b4
DS		 2039 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
2040 MACSTR ") - too short",
2041 cmd, nl80211_command_to_string(cmd), bss->ifname,
2042 MAC2STR(bss->addr));
97279d8d
JM		 2043 return;
2044 }
2090a0b4
DS		 2045 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
2046 ") A1=" MACSTR " A2=" MACSTR, cmd,
2047 nl80211_command_to_string(cmd), bss->ifname,
2048 MAC2STR(bss->addr), MAC2STR(data + 4),
2049 MAC2STR(data + 4 + ETH_ALEN));
97279d8d 2050 if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
455299fb
JM		 2051 os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
2052 os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
97279d8d
JM		 2053 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
2054 "for foreign address", bss->ifname);
2055 return;
2056 }
c2a04078
JM		 2057 wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
2058 nla_data(frame), nla_len(frame));
2059
2060 switch (cmd) {
2061 case NL80211_CMD_AUTHENTICATE:
2062 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
2063 break;
2064 case NL80211_CMD_ASSOCIATE:
2065 mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
2066 break;
2067 case NL80211_CMD_DEAUTHENTICATE:
0544b242
JM		 2068 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
2069 nla_data(frame), nla_len(frame));
c2a04078
JM		 2070 break;
2071 case NL80211_CMD_DISASSOCIATE:
0544b242
JM		 2072 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
2073 nla_data(frame), nla_len(frame));
c2a04078 2074 break;
bd94971e 2075 case NL80211_CMD_FRAME:
1d91f504 2076 mlme_event_mgmt(bss, freq, sig, nla_data(frame),
da873dbb 2077 nla_len(frame));
58f6fbe0 2078 break;
bd94971e 2079 case NL80211_CMD_FRAME_TX_STATUS:
a11241fa
JB		 2080 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
2081 nla_len(frame), ack);
58f6fbe0 2082 break;
7d878ca7
JM		 2083 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2084 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
2085 nla_data(frame), nla_len(frame));
2086 break;
2087 case NL80211_CMD_UNPROT_DISASSOCIATE:
2088 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
2089 nla_data(frame), nla_len(frame));
2090 break;
c2a04078
JM		 2091 default:
2092 break;
2093 }
2094}
2095
2096
a5e1eb20 2097static void mlme_event_michael_mic_failure(struct i802_bss *bss,
35583f3f
JM		 2098 struct nlattr *tb[])
2099{
2100 union wpa_event_data data;
2101
2102 wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
2103 os_memset(&data, 0, sizeof(data));
2104 if (tb[NL80211_ATTR_MAC]) {
2105 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
2106 nla_data(tb[NL80211_ATTR_MAC]),
2107 nla_len(tb[NL80211_ATTR_MAC]));
ad1e68e6 2108 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
35583f3f
JM		 2109 }
2110 if (tb[NL80211_ATTR_KEY_SEQ]) {
2111 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
2112 nla_data(tb[NL80211_ATTR_KEY_SEQ]),
2113 nla_len(tb[NL80211_ATTR_KEY_SEQ]));
2114 }
2115 if (tb[NL80211_ATTR_KEY_TYPE]) {
2116 enum nl80211_key_type key_type =
2117 nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
2118 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
2119 if (key_type == NL80211_KEYTYPE_PAIRWISE)
2120 data.michael_mic_failure.unicast = 1;
2121 } else
2122 data.michael_mic_failure.unicast = 1;
2123
2124 if (tb[NL80211_ATTR_KEY_IDX]) {
2125 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
2126 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
2127 }
2128
a5e1eb20 2129 wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
35583f3f
JM		 2130}
2131
2132
5cc4d64b
JM		 2133static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
2134 struct nlattr *tb[])
2135{
c7caac56
JM		 2136 unsigned int freq;
2137
5cc4d64b
JM		 2138 if (tb[NL80211_ATTR_MAC] == NULL) {
2139 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
2140 "event");
2141 return;
2142 }
2143 os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
b21990b4 2144
5cc4d64b
JM		 2145 drv->associated = 1;
2146 wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
2147 MAC2STR(drv->bssid));
2148
c7caac56
JM		 2149 freq = nl80211_get_assoc_freq(drv);
2150 if (freq) {
2151 wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz",
2152 freq);
2153 drv->first_bss->freq = freq;
2154 }
2155
5cc4d64b
JM		 2156 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
2157}
2158
2159
55777702
JM		 2160static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
2161 int cancel_event, struct nlattr *tb[])
2162{
2163 unsigned int freq, chan_type, duration;
2164 union wpa_event_data data;
2165 u64 cookie;
2166
2167 if (tb[NL80211_ATTR_WIPHY_FREQ])
2168 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
2169 else
2170 freq = 0;
2171
2172 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
2173 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2174 else
2175 chan_type = 0;
2176
2177 if (tb[NL80211_ATTR_DURATION])
2178 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
2179 else
2180 duration = 0;
2181
2182 if (tb[NL80211_ATTR_COOKIE])
2183 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
2184 else
2185 cookie = 0;
2186
2187 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
2188 "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
2189 cancel_event, freq, chan_type, duration,
2190 (long long unsigned int) cookie,
2191 cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
2192
2193 if (cookie != drv->remain_on_chan_cookie)
2194 return; /* not for us */
2195
531f0331
JB		 2196 if (cancel_event)
2197 drv->pending_remain_on_chan = 0;
55777702
JM		 2198
2199 os_memset(&data, 0, sizeof(data));
2200 data.remain_on_channel.freq = freq;
2201 data.remain_on_channel.duration = duration;
2202 wpa_supplicant_event(drv->ctx, cancel_event ?
2203 EVENT_CANCEL_REMAIN_ON_CHANNEL :
2204 EVENT_REMAIN_ON_CHANNEL, &data);
2205}
2206
2207
6a1ce395
DG		 2208static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
2209 struct nlattr *tb[])
2210{
2211 union wpa_event_data data;
2212
2213 os_memset(&data, 0, sizeof(data));
2214
2215 if (tb[NL80211_ATTR_IE]) {
2216 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
2217 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
2218 }
2219
2220 if (tb[NL80211_ATTR_IE_RIC]) {
2221 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
2222 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
2223 }
2224
2225 if (tb[NL80211_ATTR_MAC])
2226 os_memcpy(data.ft_ies.target_ap,
2227 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2228
2229 wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
2230 MAC2STR(data.ft_ies.target_ap));
2231
2232 wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
2233}
2234
2235
8d923a4a
JM		 2236static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
2237 struct nlattr *tb[])
2238{
2239 union wpa_event_data event;
2240 struct nlattr *nl;
2241 int rem;
2242 struct scan_info *info;
2243#define MAX_REPORT_FREQS 50
2244 int freqs[MAX_REPORT_FREQS];
2245 int num_freqs = 0;
2246
536fd62d
JM		 2247 if (drv->scan_for_auth) {
2248 drv->scan_for_auth = 0;
2249 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
2250 "cfg80211 BSS entry");
2251 wpa_driver_nl80211_authenticate_retry(drv);
2252 return;
2253 }
2254
8d923a4a
JM		 2255 os_memset(&event, 0, sizeof(event));
2256 info = &event.scan_info;
2257 info->aborted = aborted;
2258
2259 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
2260 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
2261 struct wpa_driver_scan_ssid *s =
2262 &info->ssids[info->num_ssids];
2263 s->ssid = nla_data(nl);
2264 s->ssid_len = nla_len(nl);
3ae3ec27
JM		 2265 wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
2266 wpa_ssid_txt(s->ssid, s->ssid_len));
8d923a4a
JM		 2267 info->num_ssids++;
2268 if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
2269 break;
2270 }
2271 }
2272 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
3ae3ec27
JM		 2273 char msg[200], *pos, *end;
2274 int res;
2275
2276 pos = msg;
2277 end = pos + sizeof(msg);
2278 *pos = '\0';
2279
8d923a4a
JM		 2280 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
2281 {
2282 freqs[num_freqs] = nla_get_u32(nl);
3ae3ec27
JM		 2283 res = os_snprintf(pos, end - pos, " %d",
2284 freqs[num_freqs]);
2285 if (res > 0 && end - pos > res)
2286 pos += res;
8d923a4a
JM		 2287 num_freqs++;
2288 if (num_freqs == MAX_REPORT_FREQS - 1)
2289 break;
2290 }
2291 info->freqs = freqs;
2292 info->num_freqs = num_freqs;
3ae3ec27
JM		 2293 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
2294 msg);
8d923a4a
JM		 2295 }
2296 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
2297}
2298
2299
60a972a6
JM		 2300static int get_link_signal(struct nl_msg *msg, void *arg)
2301{
2302 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2303 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2304 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
2305 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
2306 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 2307 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 2308 };
7ee35bf3
PS		 2309 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
2310 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
2311 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
2312 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
2313 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
2314 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
2315 };
1c5c7273 2316 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 2317
2318 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2319 genlmsg_attrlen(gnlh, 0), NULL);
2320 if (!tb[NL80211_ATTR_STA_INFO] ||
2321 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
2322 tb[NL80211_ATTR_STA_INFO], policy))
2323 return NL_SKIP;
2324 if (!sinfo[NL80211_STA_INFO_SIGNAL])
2325 return NL_SKIP;
2326
7ee35bf3
PS		 2327 sig_change->current_signal =
2328 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
2329
95783298
AO		 2330 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
2331 sig_change->avg_signal =
2332 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
2333 else
2334 sig_change->avg_signal = 0;
2335
7ee35bf3
PS		 2336 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
2337 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
2338 sinfo[NL80211_STA_INFO_TX_BITRATE],
2339 rate_policy)) {
2340 sig_change->current_txrate = 0;
2341 } else {
2342 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
2343 sig_change->current_txrate =
2344 nla_get_u16(rinfo[
2345 NL80211_RATE_INFO_BITRATE]) * 100;
2346 }
2347 }
2348 }
2349
60a972a6
JM		 2350 return NL_SKIP;
2351}
2352
2353
2354static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1c5c7273 2355 struct wpa_signal_info *sig)
60a972a6
JM		 2356{
2357 struct nl_msg *msg;
2358
7ee35bf3
PS		 2359 sig->current_signal = -9999;
2360 sig->current_txrate = 0;
60a972a6
JM		 2361
2362 msg = nlmsg_alloc();
2363 if (!msg)
2364 return -ENOMEM;
2365
9fb04070 2366 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
60a972a6
JM		 2367
2368 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2369 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
2370
2371 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
2372 nla_put_failure:
5883168a 2373 nlmsg_free(msg);
60a972a6
JM		 2374 return -ENOBUFS;
2375}
2376
2377
7ee35bf3
PS		 2378static int get_link_noise(struct nl_msg *msg, void *arg)
2379{
2380 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2381 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2382 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2383 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2384 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2385 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2386 };
1c5c7273 2387 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 2388
2389 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2390 genlmsg_attrlen(gnlh, 0), NULL);
2391
2392 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2393 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
2394 return NL_SKIP;
2395 }
2396
2397 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2398 tb[NL80211_ATTR_SURVEY_INFO],
2399 survey_policy)) {
2400 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
2401 "attributes!");
2402 return NL_SKIP;
2403 }
2404
2405 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2406 return NL_SKIP;
2407
2408 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2409 sig_change->frequency)
2410 return NL_SKIP;
2411
2412 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2413 return NL_SKIP;
2414
2415 sig_change->current_noise =
2416 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2417
2418 return NL_SKIP;
2419}
2420
2421
2422static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1c5c7273 2423 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 2424{
2425 struct nl_msg *msg;
2426
2427 sig_change->current_noise = 9999;
2428 sig_change->frequency = drv->assoc_freq;
2429
2430 msg = nlmsg_alloc();
2431 if (!msg)
2432 return -ENOMEM;
2433
9fb04070 2434 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3
PS		 2435
2436 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2437
2438 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
2439 nla_put_failure:
5883168a 2440 nlmsg_free(msg);
7ee35bf3
PS		 2441 return -ENOBUFS;
2442}
2443
2444
577db0ae
GM		 2445static int get_noise_for_scan_results(struct nl_msg *msg, void *arg)
2446{
2447 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2448 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2449 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2450 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2451 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2452 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2453 };
2454 struct wpa_scan_results *scan_results = arg;
2455 struct wpa_scan_res *scan_res;
2456 size_t i;
2457
2458 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2459 genlmsg_attrlen(gnlh, 0), NULL);
2460
2461 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2462 wpa_printf(MSG_DEBUG, "nl80211: Survey data missing");
2463 return NL_SKIP;
2464 }
2465
2466 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2467 tb[NL80211_ATTR_SURVEY_INFO],
2468 survey_policy)) {
2469 wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested "
2470 "attributes");
2471 return NL_SKIP;
2472 }
2473
2474 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2475 return NL_SKIP;
2476
2477 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2478 return NL_SKIP;
2479
2480 for (i = 0; i < scan_results->num; ++i) {
2481 scan_res = scan_results->res[i];
2482 if (!scan_res)
2483 continue;
2484 if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2485 scan_res->freq)
2486 continue;
2487 if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID))
2488 continue;
2489 scan_res->noise = (s8)
2490 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2491 scan_res->flags &= ~WPA_SCAN_NOISE_INVALID;
2492 }
2493
2494 return NL_SKIP;
2495}
2496
2497
2498static int nl80211_get_noise_for_scan_results(
2499 struct wpa_driver_nl80211_data *drv,
2500 struct wpa_scan_results *scan_res)
2501{
2502 struct nl_msg *msg;
2503
2504 msg = nlmsg_alloc();
2505 if (!msg)
2506 return -ENOMEM;
2507
2508 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
2509
2510 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2511
2512 return send_and_recv_msgs(drv, msg, get_noise_for_scan_results,
2513 scan_res);
2514 nla_put_failure:
9e088e74 2515 nlmsg_free(msg);
577db0ae
GM		 2516 return -ENOBUFS;
2517}
2518
2519
93910401
JM		 2520static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
2521 struct nlattr *tb[])
2522{
2523 static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
2524 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
2525 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
2526 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
0d7e5a3a 2527 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
93910401
JM		 2528 };
2529 struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
2530 enum nl80211_cqm_rssi_threshold_event event;
b625473c 2531 union wpa_event_data ed;
1c5c7273 2532 struct wpa_signal_info sig;
7ee35bf3 2533 int res;
93910401
JM		 2534
2535 if (tb[NL80211_ATTR_CQM] == NULL ||
2536 nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
2537 cqm_policy)) {
2538 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
2539 return;
2540 }
2541
0d7e5a3a
JB		 2542 os_memset(&ed, 0, sizeof(ed));
2543
2544 if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
2545 if (!tb[NL80211_ATTR_MAC])
2546 return;
2547 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
2548 ETH_ALEN);
2549 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
2550 return;
2551 }
2552
93910401
JM		 2553 if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
2554 return;
2555 event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
b625473c 2556
93910401
JM		 2557 if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
2558 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2559 "event: RSSI high");
b625473c 2560 ed.signal_change.above_threshold = 1;
93910401
JM		 2561 } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
2562 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2563 "event: RSSI low");
b625473c
JM		 2564 ed.signal_change.above_threshold = 0;
2565 } else
2566 return;
2567
60a972a6
JM		 2568 res = nl80211_get_link_signal(drv, &sig);
2569 if (res == 0) {
7ee35bf3
PS		 2570 ed.signal_change.current_signal = sig.current_signal;
2571 ed.signal_change.current_txrate = sig.current_txrate;
2572 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
2573 sig.current_signal, sig.current_txrate);
2574 }
2575
2576 res = nl80211_get_link_noise(drv, &sig);
2577 if (res == 0) {
2578 ed.signal_change.current_noise = sig.current_noise;
2579 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
2580 sig.current_noise);
60a972a6
JM		 2581 }
2582
b625473c 2583 wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
93910401
JM		 2584}
2585
2586
18d2ba08
JM		 2587static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
2588 struct nlattr **tb)
2589{
2590 u8 *addr;
2591 union wpa_event_data data;
2592
2593 if (tb[NL80211_ATTR_MAC] == NULL)
2594 return;
2595 addr = nla_data(tb[NL80211_ATTR_MAC]);
2596 wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
5f310a9e 2597
61cbe2ff 2598 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2599 u8 *ies = NULL;
2600 size_t ies_len = 0;
2601 if (tb[NL80211_ATTR_IE]) {
2602 ies = nla_data(tb[NL80211_ATTR_IE]);
2603 ies_len = nla_len(tb[NL80211_ATTR_IE]);
2604 }
2605 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
2606 drv_event_assoc(drv->ctx, addr, ies, ies_len, 0);
2607 return;
2608 }
2609
18d2ba08
JM		 2610 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2611 return;
2612
2613 os_memset(&data, 0, sizeof(data));
2614 os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
2615 wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data);
2616}
2617
2618
ef985058
JM		 2619static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
2620 struct nlattr **tb)
2621{
2622 u8 *addr;
2623 union wpa_event_data data;
2624
2625 if (tb[NL80211_ATTR_MAC] == NULL)
2626 return;
2627 addr = nla_data(tb[NL80211_ATTR_MAC]);
2628 wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
2629 MAC2STR(addr));
5f310a9e 2630
61cbe2ff 2631 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2632 drv_event_disassoc(drv->ctx, addr);
2633 return;
2634 }
2635
ef985058
JM		 2636 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2637 return;
2638
2639 os_memset(&data, 0, sizeof(data));
2640 os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
2641 wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
2642}
2643
2644
b14a210c
JB		 2645static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
2646 struct nlattr **tb)
2647{
2648 struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
2649 static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
2650 [NL80211_REKEY_DATA_KEK] = {
2651 .minlen = NL80211_KEK_LEN,
2652 .maxlen = NL80211_KEK_LEN,
2653 },
2654 [NL80211_REKEY_DATA_KCK] = {
2655 .minlen = NL80211_KCK_LEN,
2656 .maxlen = NL80211_KCK_LEN,
2657 },
2658 [NL80211_REKEY_DATA_REPLAY_CTR] = {
2659 .minlen = NL80211_REPLAY_CTR_LEN,
2660 .maxlen = NL80211_REPLAY_CTR_LEN,
2661 },
2662 };
2663 union wpa_event_data data;
2664
2665 if (!tb[NL80211_ATTR_MAC])
2666 return;
2667 if (!tb[NL80211_ATTR_REKEY_DATA])
2668 return;
2669 if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
2670 tb[NL80211_ATTR_REKEY_DATA], rekey_policy))
2671 return;
2672 if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
2673 return;
2674
2675 os_memset(&data, 0, sizeof(data));
2676 data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
2677 wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
2678 MAC2STR(data.driver_gtk_rekey.bssid));
2679 data.driver_gtk_rekey.replay_ctr =
2680 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
2681 wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
2682 data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
2683 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
2684}
2685
2686
c36d5242
JM		 2687static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
2688 struct nlattr **tb)
2689{
2690 struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
2691 static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
2692 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
2693 [NL80211_PMKSA_CANDIDATE_BSSID] = {
2694 .minlen = ETH_ALEN,
2695 .maxlen = ETH_ALEN,
2696 },
2697 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
2698 };
2699 union wpa_event_data data;
2700
7d81932d
JM		 2701 wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
2702
c36d5242
JM		 2703 if (!tb[NL80211_ATTR_PMKSA_CANDIDATE])
2704 return;
2705 if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
2706 tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy))
2707 return;
2708 if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
2709 !cand[NL80211_PMKSA_CANDIDATE_BSSID])
2710 return;
2711
2712 os_memset(&data, 0, sizeof(data));
2713 os_memcpy(data.pmkid_candidate.bssid,
2714 nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
2715 data.pmkid_candidate.index =
2716 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
2717 data.pmkid_candidate.preauth =
2718 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
2719 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
2720}
2721
2722
39718852
JB		 2723static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
2724 struct nlattr **tb)
2725{
2726 union wpa_event_data data;
2727
7d81932d
JM		 2728 wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
2729
39718852
JB		 2730 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
2731 return;
2732
2733 os_memset(&data, 0, sizeof(data));
2734 os_memcpy(data.client_poll.addr,
2735 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2736
2737 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
2738}
2739
2740
6201b052
JM		 2741static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
2742 struct nlattr **tb)
2743{
2744 union wpa_event_data data;
2745
2746 wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
2747
2748 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
2749 return;
2750
2751 os_memset(&data, 0, sizeof(data));
2752 os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2753 switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
2754 case NL80211_TDLS_SETUP:
2755 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
2756 MACSTR, MAC2STR(data.tdls.peer));
2757 data.tdls.oper = TDLS_REQUEST_SETUP;
2758 break;
2759 case NL80211_TDLS_TEARDOWN:
2760 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
2761 MACSTR, MAC2STR(data.tdls.peer));
2762 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
2763 break;
2764 default:
2765 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
2766 "event");
2767 return;
2768 }
2769 if (tb[NL80211_ATTR_REASON_CODE]) {
2770 data.tdls.reason_code =
2771 nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
2772 }
2773
2774 wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
2775}
2776
2777
7239ea7f
ST		 2778static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
2779 struct nlattr **tb)
2780{
2781 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
2782}
2783
2784
3140803b
RM		 2785static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
2786 struct nlattr **tb)
2787{
2788 union wpa_event_data data;
2789 u32 reason;
2790
2791 wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
2792
2793 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
2794 return;
2795
2796 os_memset(&data, 0, sizeof(data));
2797 os_memcpy(data.connect_failed_reason.addr,
2798 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2799
2800 reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
2801 switch (reason) {
2802 case NL80211_CONN_FAIL_MAX_CLIENTS:
2803 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
2804 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
2805 break;
2806 case NL80211_CONN_FAIL_BLOCKED_CLIENT:
2807 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
2808 " tried to connect",
2809 MAC2STR(data.connect_failed_reason.addr));
2810 data.connect_failed_reason.code = BLOCKED_CLIENT;
2811 break;
2812 default:
2813 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
2814 "%u", reason);
2815 return;
2816 }
2817
2818 wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
2819}
2820
2821
04be54fa
SW		 2822static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
2823 struct nlattr **tb)
2824{
2825 union wpa_event_data data;
2826 enum nl80211_radar_event event_type;
2827
2828 if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
2829 return;
2830
2831 os_memset(&data, 0, sizeof(data));
cd3b0700
MK		 2832 data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
2833 event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
04be54fa 2834
846de15d
JD		 2835 /* Check HT params */
2836 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2837 data.dfs_event.ht_enabled = 1;
2838 data.dfs_event.chan_offset = 0;
2839
2840 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
2841 case NL80211_CHAN_NO_HT:
2842 data.dfs_event.ht_enabled = 0;
2843 break;
2844 case NL80211_CHAN_HT20:
2845 break;
2846 case NL80211_CHAN_HT40PLUS:
2847 data.dfs_event.chan_offset = 1;
2848 break;
2849 case NL80211_CHAN_HT40MINUS:
2850 data.dfs_event.chan_offset = -1;
2851 break;
2852 }
2853 }
2854
2855 /* Get VHT params */
884f1a3c
JM		 2856 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
2857 data.dfs_event.chan_width =
2858 convert2width(nla_get_u32(
2859 tb[NL80211_ATTR_CHANNEL_WIDTH]));
2860 if (tb[NL80211_ATTR_CENTER_FREQ1])
2861 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
846de15d
JD		 2862 if (tb[NL80211_ATTR_CENTER_FREQ2])
2863 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
2864
2865 wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
2866 data.dfs_event.freq, data.dfs_event.ht_enabled,
2867 data.dfs_event.chan_offset, data.dfs_event.chan_width,
2868 data.dfs_event.cf1, data.dfs_event.cf2);
04be54fa
SW		 2869
2870 switch (event_type) {
2871 case NL80211_RADAR_DETECTED:
2872 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
2873 break;
2874 case NL80211_RADAR_CAC_FINISHED:
2875 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
2876 break;
2877 case NL80211_RADAR_CAC_ABORTED:
2878 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
2879 break;
2880 case NL80211_RADAR_NOP_FINISHED:
2881 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
2882 break;
2883 default:
2884 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
2885 "received", event_type);
2886 break;
2887 }
2888}
2889
2890
3088e4e5
JB		 2891static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
2892 int wds)
02bb32c3
JB		 2893{
2894 struct wpa_driver_nl80211_data *drv = bss->drv;
2895 union wpa_event_data event;
02bb32c3
JB		 2896
2897 if (!tb[NL80211_ATTR_MAC])
2898 return;
2899
02bb32c3 2900 os_memset(&event, 0, sizeof(event));
341eebee 2901 event.rx_from_unknown.bssid = bss->addr;
02bb32c3 2902 event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
3088e4e5 2903 event.rx_from_unknown.wds = wds;
02bb32c3
JB		 2904
2905 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
2906}
2907
2908
253f2e37
AH		 2909static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
2910 const u8 *data, size_t len)
2911{
2912 u32 i, count;
2913 union wpa_event_data event;
2914 struct wpa_freq_range *range = NULL;
2915 const struct qca_avoid_freq_list *freq_range;
2916
2917 freq_range = (const struct qca_avoid_freq_list *) data;
2918 if (len < sizeof(freq_range->count))
2919 return;
2920
2921 count = freq_range->count;
2922 if (len < sizeof(freq_range->count) +
2923 count * sizeof(struct qca_avoid_freq_range)) {
2924 wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
2925 (unsigned int) len);
2926 return;
2927 }
2928
2929 if (count > 0) {
2930 range = os_calloc(count, sizeof(struct wpa_freq_range));
2931 if (range == NULL)
2932 return;
2933 }
2934
2935 os_memset(&event, 0, sizeof(event));
2936 for (i = 0; i < count; i++) {
2937 unsigned int idx = event.freq_range.num;
2938 range[idx].min = freq_range->range[i].start_freq;
2939 range[idx].max = freq_range->range[i].end_freq;
2940 wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
2941 range[idx].min, range[idx].max);
2942 if (range[idx].min > range[idx].max) {
2943 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
2944 continue;
2945 }
2946 event.freq_range.num++;
2947 }
2948 event.freq_range.range = range;
2949
2950 wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
2951
2952 os_free(range);
2953}
2954
2955
1682c623
JM		 2956static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
2957 u32 subcmd, u8 *data, size_t len)
2958{
2959 switch (subcmd) {
253f2e37
AH		 2960 case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
2961 qca_nl80211_avoid_freq(drv, data, len);
2962 break;
1682c623
JM		 2963 default:
2964 wpa_printf(MSG_DEBUG,
2965 "nl80211: Ignore unsupported QCA vendor event %u",
2966 subcmd);
2967 break;
2968 }
2969}
2970
2971
17b79e65
JM		 2972static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
2973 struct nlattr **tb)
2974{
2975 u32 vendor_id, subcmd, wiphy = 0;
2976 int wiphy_idx;
2977 u8 *data = NULL;
2978 size_t len = 0;
2979
2980 if (!tb[NL80211_ATTR_VENDOR_ID] ||
2981 !tb[NL80211_ATTR_VENDOR_SUBCMD])
2982 return;
2983
2984 vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
2985 subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
2986
2987 if (tb[NL80211_ATTR_WIPHY])
2988 wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2989
2990 wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
2991 wiphy, vendor_id, subcmd);
2992
2993 if (tb[NL80211_ATTR_VENDOR_DATA]) {
2994 data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
2995 len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
2996 wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
2997 }
2998
2999 wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
3000 if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
3001 wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
3002 wiphy, wiphy_idx);
3003 return;
3004 }
3005
3006 switch (vendor_id) {
1682c623
JM		 3007 case OUI_QCA:
3008 nl80211_vendor_event_qca(drv, subcmd, data, len);
3009 break;
17b79e65
JM		 3010 default:
3011 wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
3012 break;
3013 }
3014}
3015
3016
142817b2
JM		 3017static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv,
3018 struct nlattr *tb[])
3019{
3020 union wpa_event_data data;
3021 enum nl80211_reg_initiator init;
3022
3023 wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
3024
3025 if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
3026 return;
3027
3028 os_memset(&data, 0, sizeof(data));
3029 init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]);
3030 wpa_printf(MSG_DEBUG, " * initiator=%d", init);
3031 switch (init) {
3032 case NL80211_REGDOM_SET_BY_CORE:
3033 data.channel_list_changed.initiator = REGDOM_SET_BY_CORE;
3034 break;
3035 case NL80211_REGDOM_SET_BY_USER:
3036 data.channel_list_changed.initiator = REGDOM_SET_BY_USER;
3037 break;
3038 case NL80211_REGDOM_SET_BY_DRIVER:
3039 data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER;
3040 break;
3041 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
3042 data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE;
3043 break;
3044 }
3045
3046 if (tb[NL80211_ATTR_REG_TYPE]) {
3047 enum nl80211_reg_type type;
3048 type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
3049 wpa_printf(MSG_DEBUG, " * type=%d", type);
3050 switch (type) {
3051 case NL80211_REGDOM_TYPE_COUNTRY:
3052 data.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
3053 break;
3054 case NL80211_REGDOM_TYPE_WORLD:
3055 data.channel_list_changed.type = REGDOM_TYPE_WORLD;
3056 break;
3057 case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
3058 data.channel_list_changed.type =
3059 REGDOM_TYPE_CUSTOM_WORLD;
3060 break;
3061 case NL80211_REGDOM_TYPE_INTERSECTION:
3062 data.channel_list_changed.type =
3063 REGDOM_TYPE_INTERSECTION;
3064 break;
3065 }
3066 }
3067
3068 if (tb[NL80211_ATTR_REG_ALPHA2]) {
3069 os_strlcpy(data.channel_list_changed.alpha2,
3070 nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
3071 sizeof(data.channel_list_changed.alpha2));
3072 wpa_printf(MSG_DEBUG, " * alpha2=%s",
3073 data.channel_list_changed.alpha2);
3074 }
3075
3076 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
3077}
3078
3079
a5e1eb20
SE		 3080static void do_process_drv_event(struct i802_bss *bss, int cmd,
3081 struct nlattr **tb)
97865538 3082{
a5e1eb20 3083 struct wpa_driver_nl80211_data *drv = bss->drv;
795baf77 3084 union wpa_event_data data;
a5e1eb20 3085
2090a0b4
DS		 3086 wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
3087 cmd, nl80211_command_to_string(cmd), bss->ifname);
3088
b1f625e0 3089 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
d6c9aab8
JB		 3090 (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
3091 cmd == NL80211_CMD_SCAN_ABORTED)) {
834ee56f 3092 wpa_driver_nl80211_set_mode(drv->first_bss,
b1f625e0
EP		 3093 drv->ap_scan_as_station);
3094 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6
JM		 3095 }
3096
d6c9aab8 3097 switch (cmd) {
d942a79e 3098 case NL80211_CMD_TRIGGER_SCAN:
565110cd 3099 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
a771c07d 3100 drv->scan_state = SCAN_STARTED;
1b5df9e5
JM		 3101 if (drv->scan_for_auth) {
3102 /*
3103 * Cannot indicate EVENT_SCAN_STARTED here since we skip
3104 * EVENT_SCAN_RESULTS in scan_for_auth case and the
3105 * upper layer implementation could get confused about
3106 * scanning state.
3107 */
3108 wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth");
3109 break;
3110 }
a5f40eff 3111 wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
d942a79e 3112 break;
d21c63b9 3113 case NL80211_CMD_START_SCHED_SCAN:
565110cd 3114 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
a771c07d 3115 drv->scan_state = SCHED_SCAN_STARTED;
d21c63b9
LC		 3116 break;
3117 case NL80211_CMD_SCHED_SCAN_STOPPED:
565110cd 3118 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
a771c07d 3119 drv->scan_state = SCHED_SCAN_STOPPED;
d21c63b9
LC		 3120 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
3121 break;
97865538 3122 case NL80211_CMD_NEW_SCAN_RESULTS:
565110cd
JM		 3123 wpa_dbg(drv->ctx, MSG_DEBUG,
3124 "nl80211: New scan results available");
a771c07d 3125 drv->scan_state = SCAN_COMPLETED;
97865538
JM		 3126 drv->scan_complete_events = 1;
3127 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
3128 drv->ctx);
8d923a4a 3129 send_scan_event(drv, 0, tb);
97865538 3130 break;
d21c63b9 3131 case NL80211_CMD_SCHED_SCAN_RESULTS:
565110cd
JM		 3132 wpa_dbg(drv->ctx, MSG_DEBUG,
3133 "nl80211: New sched scan results available");
a771c07d 3134 drv->scan_state = SCHED_SCAN_RESULTS;
d21c63b9
LC		 3135 send_scan_event(drv, 0, tb);
3136 break;
97865538 3137 case NL80211_CMD_SCAN_ABORTED:
565110cd 3138 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
a771c07d 3139 drv->scan_state = SCAN_ABORTED;
97865538
JM		 3140 /*
3141 * Need to indicate that scan results are available in order
3142 * not to make wpa_supplicant stop its scanning.
3143 */
3144 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
3145 drv->ctx);
8d923a4a 3146 send_scan_event(drv, 1, tb);
97865538 3147 break;
c2a04078
JM		 3148 case NL80211_CMD_AUTHENTICATE:
3149 case NL80211_CMD_ASSOCIATE:
3150 case NL80211_CMD_DEAUTHENTICATE:
3151 case NL80211_CMD_DISASSOCIATE:
bd94971e 3152 case NL80211_CMD_FRAME_TX_STATUS:
7d878ca7
JM		 3153 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
3154 case NL80211_CMD_UNPROT_DISASSOCIATE:
97279d8d 3155 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
58f6fbe0
JM		 3156 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
3157 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 3158 tb[NL80211_ATTR_COOKIE],
3159 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
c2a04078 3160 break;
da72a1c1
ZY		 3161 case NL80211_CMD_CONNECT:
3162 case NL80211_CMD_ROAM:
d6c9aab8 3163 mlme_event_connect(drv, cmd,
da72a1c1
ZY		 3164 tb[NL80211_ATTR_STATUS_CODE],
3165 tb[NL80211_ATTR_MAC],
3166 tb[NL80211_ATTR_REQ_IE],
3167 tb[NL80211_ATTR_RESP_IE]);
3168 break;
1b487b8b 3169 case NL80211_CMD_CH_SWITCH_NOTIFY:
8d1fdde7
JD		 3170 mlme_event_ch_switch(drv,
3171 tb[NL80211_ATTR_IFINDEX],
3172 tb[NL80211_ATTR_WIPHY_FREQ],
3173 tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3174 tb[NL80211_ATTR_CHANNEL_WIDTH],
3175 tb[NL80211_ATTR_CENTER_FREQ1],
3176 tb[NL80211_ATTR_CENTER_FREQ2]);
1b487b8b 3177 break;
da72a1c1 3178 case NL80211_CMD_DISCONNECT:
20f5a4c2 3179 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
3d9975d5
JM		 3180 tb[NL80211_ATTR_MAC],
3181 tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
da72a1c1 3182 break;
35583f3f 3183 case NL80211_CMD_MICHAEL_MIC_FAILURE:
a5e1eb20 3184 mlme_event_michael_mic_failure(bss, tb);
35583f3f 3185 break;
5cc4d64b
JM		 3186 case NL80211_CMD_JOIN_IBSS:
3187 mlme_event_join_ibss(drv, tb);
3188 break;
55777702
JM		 3189 case NL80211_CMD_REMAIN_ON_CHANNEL:
3190 mlme_event_remain_on_channel(drv, 0, tb);
3191 break;
3192 case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
3193 mlme_event_remain_on_channel(drv, 1, tb);
3194 break;
93910401
JM		 3195 case NL80211_CMD_NOTIFY_CQM:
3196 nl80211_cqm_event(drv, tb);
3197 break;
33c5deb8 3198 case NL80211_CMD_REG_CHANGE:
142817b2 3199 nl80211_reg_change_event(drv, tb);
33c5deb8
JM		 3200 break;
3201 case NL80211_CMD_REG_BEACON_HINT:
3202 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
8597ebdb
JM		 3203 os_memset(&data, 0, sizeof(data));
3204 data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
33c5deb8 3205 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
8597ebdb 3206 &data);
33c5deb8 3207 break;
18d2ba08
JM		 3208 case NL80211_CMD_NEW_STATION:
3209 nl80211_new_station_event(drv, tb);
3210 break;
ef985058
JM		 3211 case NL80211_CMD_DEL_STATION:
3212 nl80211_del_station_event(drv, tb);
3213 break;
b14a210c
JB		 3214 case NL80211_CMD_SET_REKEY_OFFLOAD:
3215 nl80211_rekey_offload_event(drv, tb);
3216 break;
c36d5242
JM		 3217 case NL80211_CMD_PMKSA_CANDIDATE:
3218 nl80211_pmksa_candidate_event(drv, tb);
3219 break;
39718852
JB		 3220 case NL80211_CMD_PROBE_CLIENT:
3221 nl80211_client_probe_event(drv, tb);
3222 break;
6201b052
JM		 3223 case NL80211_CMD_TDLS_OPER:
3224 nl80211_tdls_oper_event(drv, tb);
3225 break;
3140803b
RM		 3226 case NL80211_CMD_CONN_FAILED:
3227 nl80211_connect_failed_event(drv, tb);
3228 break;
6a1ce395
DG		 3229 case NL80211_CMD_FT_EVENT:
3230 mlme_event_ft_event(drv, tb);
3231 break;
04be54fa
SW		 3232 case NL80211_CMD_RADAR_DETECT:
3233 nl80211_radar_event(drv, tb);
3234 break;
7239ea7f
ST		 3235 case NL80211_CMD_STOP_AP:
3236 nl80211_stop_ap(drv, tb);
3237 break;
17b79e65
JM		 3238 case NL80211_CMD_VENDOR:
3239 nl80211_vendor_event(drv, tb);
3240 break;
97865538 3241 default:
565110cd
JM		 3242 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
3243 "(cmd=%d)", cmd);
97865538
JM		 3244 break;
3245 }
d6c9aab8
JB		 3246}
3247
3248
3249static int process_drv_event(struct nl_msg *msg, void *arg)
3250{
3251 struct wpa_driver_nl80211_data *drv = arg;
3252 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3253 struct nlattr *tb[NL80211_ATTR_MAX + 1];
a5e1eb20
SE		 3254 struct i802_bss *bss;
3255 int ifidx = -1;
d6c9aab8
JB		 3256
3257 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3258 genlmsg_attrlen(gnlh, 0), NULL);
3259
d3aaef80 3260 if (tb[NL80211_ATTR_IFINDEX]) {
a5e1eb20
SE		 3261 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
3262
834ee56f 3263 for (bss = drv->first_bss; bss; bss = bss->next)
d3aaef80
DS		 3264 if (ifidx == -1 || ifidx == bss->ifindex) {
3265 do_process_drv_event(bss, gnlh->cmd, tb);
3266 return NL_SKIP;
3267 }
3268 wpa_printf(MSG_DEBUG,
3269 "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d)",
3270 gnlh->cmd, ifidx);
3271 } else if (tb[NL80211_ATTR_WDEV]) {
3272 u64 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
3273 wpa_printf(MSG_DEBUG, "nl80211: Process event on P2P device");
834ee56f 3274 for (bss = drv->first_bss; bss; bss = bss->next) {
d3aaef80
DS		 3275 if (bss->wdev_id_set && wdev_id == bss->wdev_id) {
3276 do_process_drv_event(bss, gnlh->cmd, tb);
3277 return NL_SKIP;
3278 }
d6c9aab8 3279 }
d3aaef80
DS		 3280 wpa_printf(MSG_DEBUG,
3281 "nl80211: Ignored event (cmd=%d) for foreign interface (wdev 0x%llx)",
3282 gnlh->cmd, (long long unsigned int) wdev_id);
d6c9aab8
JB		 3283 }
3284
d6c9aab8
JB		 3285 return NL_SKIP;
3286}
3287
3288
3289static int process_global_event(struct nl_msg *msg, void *arg)
3290{
3291 struct nl80211_global *global = arg;
3292 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3293 struct nlattr *tb[NL80211_ATTR_MAX + 1];
24b5bd8b 3294 struct wpa_driver_nl80211_data *drv, *tmp;
d6c9aab8 3295 int ifidx = -1;
a5e1eb20 3296 struct i802_bss *bss;
54d4ba42 3297 u64 wdev_id = 0;
d3aaef80 3298 int wdev_id_set = 0;
d6c9aab8
JB		 3299
3300 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3301 genlmsg_attrlen(gnlh, 0), NULL);
3302
3303 if (tb[NL80211_ATTR_IFINDEX])
3304 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
d3aaef80
DS		 3305 else if (tb[NL80211_ATTR_WDEV]) {
3306 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
3307 wdev_id_set = 1;
3308 }
d6c9aab8 3309
24b5bd8b
JB		 3310 dl_list_for_each_safe(drv, tmp, &global->interfaces,
3311 struct wpa_driver_nl80211_data, list) {
834ee56f 3312 for (bss = drv->first_bss; bss; bss = bss->next) {
d3aaef80
DS		 3313 if ((ifidx == -1 && !wdev_id_set) ||
3314 ifidx == bss->ifindex ||
3315 (wdev_id_set && bss->wdev_id_set &&
3316 wdev_id == bss->wdev_id)) {
a5e1eb20
SE		 3317 do_process_drv_event(bss, gnlh->cmd, tb);
3318 return NL_SKIP;
3319 }
3320 }
d6c9aab8 3321 }
97865538
JM		 3322
3323 return NL_SKIP;
3324}
3325
3326
cc7a48d1
JB		 3327static int process_bss_event(struct nl_msg *msg, void *arg)
3328{
a11241fa 3329 struct i802_bss *bss = arg;
cc7a48d1
JB		 3330 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3331 struct nlattr *tb[NL80211_ATTR_MAX + 1];
3332
3333 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3334 genlmsg_attrlen(gnlh, 0), NULL);
3335
2090a0b4
DS		 3336 wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
3337 gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
3338 bss->ifname);
3339
cc7a48d1 3340 switch (gnlh->cmd) {
a11241fa
JB		 3341 case NL80211_CMD_FRAME:
3342 case NL80211_CMD_FRAME_TX_STATUS:
97279d8d 3343 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
a11241fa
JB		 3344 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
3345 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 3346 tb[NL80211_ATTR_COOKIE],
3347 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
a11241fa 3348 break;
02bb32c3 3349 case NL80211_CMD_UNEXPECTED_FRAME:
3088e4e5
JB		 3350 nl80211_spurious_frame(bss, tb, 0);
3351 break;
3352 case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
3353 nl80211_spurious_frame(bss, tb, 1);
02bb32c3 3354 break;
cc7a48d1
JB		 3355 default:
3356 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
3357 "(cmd=%d)", gnlh->cmd);
3358 break;
3359 }
3360
3361 return NL_SKIP;
3362}
3363
3364
97865538 3365static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 3366 void *handle)
97865538 3367{
a4ae123c 3368 struct nl_cb *cb = eloop_ctx;
34068ac3 3369 int res;
97865538 3370
cc2ada86 3371 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 3372
34068ac3 3373 res = nl_recvmsgs(handle, cb);
d3d04831 3374 if (res < 0) {
34068ac3
JM		 3375 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
3376 __func__, res);
3377 }
97865538
JM		 3378}
3379
3380
6d158490
LR		 3381/**
3382 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
3383 * @priv: driver_nl80211 private data
3384 * @alpha2_arg: country to which to switch to
3385 * Returns: 0 on success, -1 on failure
3386 *
3387 * This asks nl80211 to set the regulatory domain for given
3388 * country ISO / IEC alpha2.
3389 */
3390static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
3391{
a2e40bb6
FF		 3392 struct i802_bss *bss = priv;
3393 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 3394 char alpha2[3];
3395 struct nl_msg *msg;
3396
3397 msg = nlmsg_alloc();
3398 if (!msg)
e785c2ba 3399 return -ENOMEM;
6d158490
LR		 3400
3401 alpha2[0] = alpha2_arg[0];
3402 alpha2[1] = alpha2_arg[1];
3403 alpha2[2] = '\0';
3404
9fb04070 3405 nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG);
6d158490
LR		 3406
3407 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2);
3408 if (send_and_recv_msgs(drv, msg, NULL, NULL))
3409 return -EINVAL;
3410 return 0;
3411nla_put_failure:
5883168a 3412 nlmsg_free(msg);
6d158490
LR		 3413 return -EINVAL;
3414}
3415
3416
f0793bf1
JM		 3417static int nl80211_get_country(struct nl_msg *msg, void *arg)
3418{
3419 char *alpha2 = arg;
3420 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
3421 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3422
3423 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3424 genlmsg_attrlen(gnlh, 0), NULL);
3425 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
3426 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
3427 return NL_SKIP;
3428 }
3429 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
3430 return NL_SKIP;
3431}
3432
3433
3434static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
3435{
3436 struct i802_bss *bss = priv;
3437 struct wpa_driver_nl80211_data *drv = bss->drv;
3438 struct nl_msg *msg;
3439 int ret;
3440
3441 msg = nlmsg_alloc();
3442 if (!msg)
3443 return -ENOMEM;
3444
3445 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
3446 alpha2[0] = '\0';
3447 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
3448 if (!alpha2[0])
3449 ret = -1;
3450
3451 return ret;
3452}
3453
3454
43245552
DJ		 3455static int protocol_feature_handler(struct nl_msg *msg, void *arg)
3456{
3457 u32 *feat = arg;
3458 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
3459 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3460
3461 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3462 genlmsg_attrlen(gnlh, 0), NULL);
3463
3464 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
3465 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
3466
3467 return NL_SKIP;
3468}
3469
3470
3471static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
3472{
3473 u32 feat = 0;
3474 struct nl_msg *msg;
3475
3476 msg = nlmsg_alloc();
3477 if (!msg)
3478 goto nla_put_failure;
3479
3480 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES);
3481 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
3482 return feat;
3483
3484 msg = NULL;
3485nla_put_failure:
3486 nlmsg_free(msg);
3487 return 0;
3488}
3489
3490
80bc75f1 3491struct wiphy_info_data {
8cd6b7bc 3492 struct wpa_driver_nl80211_data *drv;
e8b5e24e
JB		 3493 struct wpa_driver_capa *capa;
3494
4752147d
IP		 3495 unsigned int num_multichan_concurrent;
3496
e8b5e24e 3497 unsigned int error:1;
61cbe2ff 3498 unsigned int device_ap_sme:1;
39718852 3499 unsigned int poll_command_supported:1;
32ab4855 3500 unsigned int data_tx_status:1;
536062f2 3501 unsigned int monitor_supported:1;
43245552
DJ		 3502 unsigned int auth_supported:1;
3503 unsigned int connect_supported:1;
3504 unsigned int p2p_go_supported:1;
3505 unsigned int p2p_client_supported:1;
3506 unsigned int p2p_concurrent:1;
1c4ffa87 3507 unsigned int channel_switch_supported:1;
429dd9af 3508 unsigned int set_qos_map_supported:1;
57a8f8af 3509 unsigned int have_low_prio_scan:1;
80bc75f1
JM		 3510};
3511
3512
562c9d97
AN		 3513static unsigned int probe_resp_offload_support(int supp_protocols)
3514{
3515 unsigned int prot = 0;
3516
3517 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
3518 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
3519 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
3520 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
3521 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
3522 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
3523 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
3524 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
3525
3526 return prot;
3527}
3528
3529
5f439107
JM		 3530static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
3531 struct nlattr *tb)
80bc75f1 3532{
5f439107
JM		 3533 struct nlattr *nl_mode;
3534 int i;
3535
3536 if (tb == NULL)
3537 return;
3538
3539 nla_for_each_nested(nl_mode, tb, i) {
3540 switch (nla_type(nl_mode)) {
3541 case NL80211_IFTYPE_AP:
3542 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
3543 break;
24bd4e0b
BC		 3544 case NL80211_IFTYPE_MESH_POINT:
3545 info->capa->flags |= WPA_DRIVER_FLAGS_MESH;
3546 break;
65d52fc1
BR		 3547 case NL80211_IFTYPE_ADHOC:
3548 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
3549 break;
7aad838c
NS		 3550 case NL80211_IFTYPE_P2P_DEVICE:
3551 info->capa->flags |=
3552 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
3553 break;
5f439107
JM		 3554 case NL80211_IFTYPE_P2P_GO:
3555 info->p2p_go_supported = 1;
3556 break;
3557 case NL80211_IFTYPE_P2P_CLIENT:
3558 info->p2p_client_supported = 1;
3559 break;
3560 case NL80211_IFTYPE_MONITOR:
3561 info->monitor_supported = 1;
3562 break;
3563 }
3564 }
3565}
3566
3567
3568static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
3569 struct nlattr *nl_combi)
3570{
3571 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
3572 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
3573 struct nlattr *nl_limit, *nl_mode;
3574 int err, rem_limit, rem_mode;
3575 int combination_has_p2p = 0, combination_has_mgd = 0;
7626850d
JB		 3576 static struct nla_policy
3577 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
3578 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
3579 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
3580 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
3581 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
f295d0c8 3582 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
7626850d
JB		 3583 },
3584 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
3585 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
3586 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
3587 };
80bc75f1 3588
5f439107
JM		 3589 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
3590 nl_combi, iface_combination_policy);
3591 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
3592 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
3593 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
3594 return 0; /* broken combination */
3595
f295d0c8
SW		 3596 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
3597 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
3598
5f439107
JM		 3599 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
3600 rem_limit) {
3601 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
3602 nl_limit, iface_limit_policy);
3603 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
3604 return 0; /* broken combination */
3605
3606 nla_for_each_nested(nl_mode,
3607 tb_limit[NL80211_IFACE_LIMIT_TYPES],
3608 rem_mode) {
3609 int ift = nla_type(nl_mode);
3610 if (ift == NL80211_IFTYPE_P2P_GO ||
3611 ift == NL80211_IFTYPE_P2P_CLIENT)
3612 combination_has_p2p = 1;
3613 if (ift == NL80211_IFTYPE_STATION)
3614 combination_has_mgd = 1;
3615 }
3616 if (combination_has_p2p && combination_has_mgd)
3617 break;
3618 }
3619
3620 if (combination_has_p2p && combination_has_mgd) {
83c4cb52 3621 unsigned int num_channels =
4752147d 3622 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
83c4cb52
FF		 3623
3624 info->p2p_concurrent = 1;
3625 if (info->num_multichan_concurrent < num_channels)
3626 info->num_multichan_concurrent = num_channels;
5f439107
JM		 3627 }
3628
3629 return 0;
3630}
3631
3632
3633static void wiphy_info_iface_comb(struct wiphy_info_data *info,
3634 struct nlattr *tb)
3635{
3636 struct nlattr *nl_combi;
3637 int rem_combi;
3638
3639 if (tb == NULL)
3640 return;
3641
3642 nla_for_each_nested(nl_combi, tb, rem_combi) {
3643 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
3644 break;
3645 }
3646}
3647
3648
3649static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
3650 struct nlattr *tb)
3651{
3652 struct nlattr *nl_cmd;
3653 int i;
3654
3655 if (tb == NULL)
3656 return;
3657
3658 nla_for_each_nested(nl_cmd, tb, i) {
3659 switch (nla_get_u32(nl_cmd)) {
3660 case NL80211_CMD_AUTHENTICATE:
3661 info->auth_supported = 1;
3662 break;
3663 case NL80211_CMD_CONNECT:
3664 info->connect_supported = 1;
3665 break;
3666 case NL80211_CMD_START_SCHED_SCAN:
3667 info->capa->sched_scan_supported = 1;
3668 break;
3669 case NL80211_CMD_PROBE_CLIENT:
3670 info->poll_command_supported = 1;
3671 break;
1c4ffa87
AO		 3672 case NL80211_CMD_CHANNEL_SWITCH:
3673 info->channel_switch_supported = 1;
3674 break;
429dd9af
JM		 3675 case NL80211_CMD_SET_QOS_MAP:
3676 info->set_qos_map_supported = 1;
3677 break;
5f439107
JM		 3678 }
3679 }
3680}
3681
3682
bee25cc9
JM		 3683static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
3684 struct nlattr *tb)
3685{
3686 int i, num;
3687 u32 *ciphers;
3688
3689 if (tb == NULL)
3690 return;
3691
3692 num = nla_len(tb) / sizeof(u32);
3693 ciphers = nla_data(tb);
3694 for (i = 0; i < num; i++) {
3695 u32 c = ciphers[i];
3696
3697 wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d",
3698 c >> 24, (c >> 16) & 0xff,
3699 (c >> 8) & 0xff, c & 0xff);
3700 switch (c) {
3701 case WLAN_CIPHER_SUITE_CCMP_256:
3702 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
3703 break;
3704 case WLAN_CIPHER_SUITE_GCMP_256:
3705 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
3706 break;
3707 case WLAN_CIPHER_SUITE_CCMP:
3708 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
3709 break;
3710 case WLAN_CIPHER_SUITE_GCMP:
3711 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
3712 break;
3713 case WLAN_CIPHER_SUITE_TKIP:
3714 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
3715 break;
3716 case WLAN_CIPHER_SUITE_WEP104:
3717 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
3718 break;
3719 case WLAN_CIPHER_SUITE_WEP40:
3720 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
3721 break;
3722 case WLAN_CIPHER_SUITE_AES_CMAC:
3723 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
3724 break;
3725 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
3726 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
3727 break;
3728 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
3729 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
3730 break;
3731 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
3732 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
3733 break;
ae6f9272
JM		 3734 case WLAN_CIPHER_SUITE_NO_GROUP_ADDR:
3735 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
3736 break;
bee25cc9
JM		 3737 }
3738 }
3739}
3740
3741
5f439107
JM		 3742static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
3743 struct nlattr *tb)
3744{
5f439107
JM		 3745 if (tb)
3746 capa->max_remain_on_chan = nla_get_u32(tb);
3747}
3748
3749
3750static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
3751 struct nlattr *ext_setup)
3752{
3753 if (tdls == NULL)
3754 return;
3755
3756 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
3757 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
3758
3759 if (ext_setup) {
3760 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
3761 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
3762 }
3763}
3764
3765
3766static void wiphy_info_feature_flags(struct wiphy_info_data *info,
3767 struct nlattr *tb)
3768{
3769 u32 flags;
3770 struct wpa_driver_capa *capa = info->capa;
3771
3772 if (tb == NULL)
3773 return;
3774
3775 flags = nla_get_u32(tb);
3776
3777 if (flags & NL80211_FEATURE_SK_TX_STATUS)
3778 info->data_tx_status = 1;
3779
3780 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
3781 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
3782
3783 if (flags & NL80211_FEATURE_SAE)
3784 capa->flags |= WPA_DRIVER_FLAGS_SAE;
3785
3786 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
3787 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
e87ef751
PX		 3788
3789 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
3790 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
57a8f8af
JB		 3791
3792 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
3793 info->have_low_prio_scan = 1;
5f439107
JM		 3794}
3795
3796
3797static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
3798 struct nlattr *tb)
3799{
3800 u32 protocols;
3801
3802 if (tb == NULL)
3803 return;
3804
3805 protocols = nla_get_u32(tb);
3806 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
3807 "mode");
3808 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
3809 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
3810}
3811
3812
e4fa8b12
EP		 3813static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
3814 struct nlattr *tb)
3815{
3816 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
3817
3818 if (tb == NULL)
3819 return;
3820
3821 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
3822 tb, NULL))
3823 return;
3824
3825 if (triggers[NL80211_WOWLAN_TRIG_ANY])
3826 capa->wowlan_triggers.any = 1;
3827 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
3828 capa->wowlan_triggers.disconnect = 1;
3829 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
3830 capa->wowlan_triggers.magic_pkt = 1;
3831 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
3832 capa->wowlan_triggers.gtk_rekey_failure = 1;
3833 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
3834 capa->wowlan_triggers.eap_identity_req = 1;
3835 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
3836 capa->wowlan_triggers.four_way_handshake = 1;
3837 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
3838 capa->wowlan_triggers.rfkill_release = 1;
3839}
3840
3841
5f439107
JM		 3842static int wiphy_info_handler(struct nl_msg *msg, void *arg)
3843{
3844 struct nlattr *tb[NL80211_ATTR_MAX + 1];
3845 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3846 struct wiphy_info_data *info = arg;
3847 struct wpa_driver_capa *capa = info->capa;
8cd6b7bc 3848 struct wpa_driver_nl80211_data *drv = info->drv;
5f439107 3849
80bc75f1
JM		 3850 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3851 genlmsg_attrlen(gnlh, 0), NULL);
3852
5fbcb45d 3853 if (tb[NL80211_ATTR_WIPHY_NAME])
24f051eb 3854 os_strlcpy(drv->phyname,
5fbcb45d
AS		 3855 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
3856 sizeof(drv->phyname));
80bc75f1 3857 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
e8b5e24e 3858 capa->max_scan_ssids =
80bc75f1
JM		 3859 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
3860
d21c63b9 3861 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
e8b5e24e 3862 capa->max_sched_scan_ssids =
d21c63b9
LC		 3863 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
3864
bd525934 3865 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
e8b5e24e 3866 capa->max_match_sets =
bd525934
LC		 3867 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
3868
3c4ca363
VN		 3869 if (tb[NL80211_ATTR_MAC_ACL_MAX])
3870 capa->max_acl_mac_addrs =
3871 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
3872
5f439107
JM		 3873 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
3874 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
3875 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
bee25cc9 3876 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
93d11400 3877
e8b5e24e
JB		 3878 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
3879 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
3880 "off-channel TX");
3881 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
3882 }
3883
3884 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
3885 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
3886 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
3887 }
5dfca53f 3888
5f439107
JM		 3889 wiphy_info_max_roc(capa,
3890 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
004ba773 3891
70619a5d
EP		 3892 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
3893 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
3894
5f439107
JM		 3895 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
3896 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
03ea1786 3897
61cbe2ff
JB		 3898 if (tb[NL80211_ATTR_DEVICE_AP_SME])
3899 info->device_ap_sme = 1;
3900
5f439107
JM		 3901 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
3902 wiphy_info_probe_resp_offload(capa,
3903 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
562c9d97 3904
8cd6b7bc
JB		 3905 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
3906 drv->extended_capa == NULL) {
3907 drv->extended_capa =
3908 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3909 if (drv->extended_capa) {
3910 os_memcpy(drv->extended_capa,
3911 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3912 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3913 drv->extended_capa_len =
3914 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
3915 }
3916 drv->extended_capa_mask =
3917 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3918 if (drv->extended_capa_mask) {
3919 os_memcpy(drv->extended_capa_mask,
3920 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3921 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3922 } else {
3923 os_free(drv->extended_capa);
3924 drv->extended_capa = NULL;
3925 drv->extended_capa_len = 0;
3926 }
3927 }
3928
17b79e65
JM		 3929 if (tb[NL80211_ATTR_VENDOR_DATA]) {
3930 struct nlattr *nl;
3931 int rem;
3932
3933 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
3934 struct nl80211_vendor_cmd_info *vinfo;
080cc445 3935 if (nla_len(nl) != sizeof(*vinfo)) {
17b79e65
JM		 3936 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
3937 continue;
3938 }
3939 vinfo = nla_data(nl);
0800f9ee
JM		 3940 switch (vinfo->subcmd) {
3941 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
3942 drv->roaming_vendor_cmd_avail = 1;
3943 break;
3944 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
65d645ce 3945 drv->dfs_vendor_cmd_avail = 1;
0800f9ee
JM		 3946 break;
3947 }
65d645ce 3948
17b79e65
JM		 3949 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
3950 vinfo->vendor_id, vinfo->subcmd);
3951 }
3952 }
3953
3954 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
3955 struct nlattr *nl;
3956 int rem;
3957
3958 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
3959 struct nl80211_vendor_cmd_info *vinfo;
080cc445 3960 if (nla_len(nl) != sizeof(*vinfo)) {
17b79e65
JM		 3961 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
3962 continue;
3963 }
3964 vinfo = nla_data(nl);
3965 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
3966 vinfo->vendor_id, vinfo->subcmd);
3967 }
3968 }
3969
e4fa8b12
EP		 3970 wiphy_info_wowlan_triggers(capa,
3971 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
3972
ea40a575
CM		 3973 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
3974 capa->max_stations =
3975 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
3976
80bc75f1
JM		 3977 return NL_SKIP;
3978}
3979
3980
3981static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
3982 struct wiphy_info_data *info)
3983{
43245552 3984 u32 feat;
80bc75f1
JM		 3985 struct nl_msg *msg;
3986
3987 os_memset(info, 0, sizeof(*info));
e8b5e24e 3988 info->capa = &drv->capa;
8cd6b7bc 3989 info->drv = drv;
89e07afb 3990
80bc75f1
JM		 3991 msg = nlmsg_alloc();
3992 if (!msg)
3993 return -1;
3994
43245552
DJ		 3995 feat = get_nl80211_protocol_features(drv);
3996 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
3997 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
3998 else
3999 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
80bc75f1 4000
43245552 4001 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
834ee56f 4002 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
f632e483 4003 goto nla_put_failure;
80bc75f1 4004
43245552
DJ		 4005 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
4006 return -1;
4007
4008 if (info->auth_supported)
4009 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
4010 else if (!info->connect_supported) {
4011 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
4012 "authentication/association or connect commands");
4013 info->error = 1;
4014 }
4015
4016 if (info->p2p_go_supported && info->p2p_client_supported)
4017 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
4018 if (info->p2p_concurrent) {
4019 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
4020 "interface (driver advertised support)");
4021 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
4022 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
4023 }
4752147d 4024 if (info->num_multichan_concurrent > 1) {
43245552
DJ		 4025 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
4026 "concurrent (driver advertised support)");
4752147d
IP		 4027 drv->capa.num_multichan_concurrent =
4028 info->num_multichan_concurrent;
43245552 4029 }
b691dcb1
IP		 4030
4031 /* default to 5000 since early versions of mac80211 don't set it */
4032 if (!drv->capa.max_remain_on_chan)
4033 drv->capa.max_remain_on_chan = 5000;
4034
991aa9c7
AO		 4035 if (info->channel_switch_supported)
4036 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
4037
43245552 4038 return 0;
80bc75f1
JM		 4039nla_put_failure:
4040 nlmsg_free(msg);
4041 return -1;
4042}
4043
4044
93d11400 4045static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
80bc75f1
JM		 4046{
4047 struct wiphy_info_data info;
4048 if (wpa_driver_nl80211_get_info(drv, &info))
93d11400 4049 return -1;
e8b5e24e
JB		 4050
4051 if (info.error)
4052 return -1;
4053
80bc75f1 4054 drv->has_capability = 1;
1b2a72e8
JM		 4055 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
4056 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
4057 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
4058 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
291b6068
JM		 4059 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
4060 WPA_DRIVER_AUTH_SHARED |
4061 WPA_DRIVER_AUTH_LEAP;
1b2a72e8 4062
871f4dd0 4063 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
0194fedb 4064 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
2fee890a 4065 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
e1bd4e19 4066
354c903f
MB		 4067 /*
4068 * As all cfg80211 drivers must support cases where the AP interface is
4069 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
4070 * case that the user space daemon has crashed, they must be able to
4071 * cleanup all stations and key entries in the AP tear down flow. Thus,
4072 * this flag can/should always be set for cfg80211 drivers.
4073 */
4074 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
4075
e5091674 4076 if (!info.device_ap_sme) {
e1bd4e19 4077 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
0194fedb 4078
e5091674
JM		 4079 /*
4080 * No AP SME is currently assumed to also indicate no AP MLME
4081 * in the driver/firmware.
4082 */
4083 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
4084 }
4085
61cbe2ff 4086 drv->device_ap_sme = info.device_ap_sme;
39718852 4087 drv->poll_command_supported = info.poll_command_supported;
32ab4855 4088 drv->data_tx_status = info.data_tx_status;
429dd9af
JM		 4089 if (info.set_qos_map_supported)
4090 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
57a8f8af 4091 drv->have_low_prio_scan = info.have_low_prio_scan;
61cbe2ff 4092
a11241fa 4093 /*
73a3c6ff
FF		 4094 * If poll command and tx status are supported, mac80211 is new enough
4095 * to have everything we need to not need monitor interfaces.
a11241fa 4096 */
73a3c6ff 4097 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
a11241fa 4098
536062f2
JM		 4099 if (drv->device_ap_sme && drv->use_monitor) {
4100 /*
4101 * Non-mac80211 drivers may not support monitor interface.
4102 * Make sure we do not get stuck with incorrect capability here
4103 * by explicitly testing this.
4104 */
4105 if (!info.monitor_supported) {
4106 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
4107 "with device_ap_sme since no monitor mode "
4108 "support detected");
4109 drv->use_monitor = 0;
4110 }
4111 }
4112
a11241fa
JB		 4113 /*
4114 * If we aren't going to use monitor interfaces, but the
4115 * driver doesn't support data TX status, we won't get TX
4116 * status for EAPOL frames.
4117 */
4118 if (!drv->use_monitor && !info.data_tx_status)
4119 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
4120
93d11400 4121 return 0;
80bc75f1
JM		 4122}
4123
4124
b088cf82
JM		 4125#ifdef ANDROID
4126static int android_genl_ctrl_resolve(struct nl_handle *handle,
4127 const char *name)
4128{
4129 /*
4130 * Android ICS has very minimal genl_ctrl_resolve() implementation, so
4131 * need to work around that.
4132 */
4133 struct nl_cache *cache = NULL;
4134 struct genl_family *nl80211 = NULL;
4135 int id = -1;
4136
4137 if (genl_ctrl_alloc_cache(handle, &cache) < 0) {
4138 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
4139 "netlink cache");
4140 goto fail;
4141 }
4142
4143 nl80211 = genl_ctrl_search_by_name(cache, name);
4144 if (nl80211 == NULL)
4145 goto fail;
4146
4147 id = genl_family_get_id(nl80211);
4148
4149fail:
4150 if (nl80211)
4151 genl_family_put(nl80211);
4152 if (cache)
4153 nl_cache_free(cache);
4154
4155 return id;
4156}
4157#define genl_ctrl_resolve android_genl_ctrl_resolve
4158#endif /* ANDROID */
4159
4160
2a7b66f5
BG		 4161static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
4162{
d6c9aab8
JB		 4163 int ret;
4164
2a7b66f5
BG		 4165 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
4166 if (global->nl_cb == NULL) {
4167 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
4168 "callbacks");
4169 return -1;
4170 }
4171
481234cf
JM		 4172 global->nl = nl_create_handle(global->nl_cb, "nl");
4173 if (global->nl == NULL)
d6c9aab8 4174 goto err;
276e2d67 4175
481234cf 4176 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 4177 if (global->nl80211_id < 0) {
276e2d67
BG		 4178 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
4179 "found");
d6c9aab8 4180 goto err;
276e2d67
BG		 4181 }
4182
481234cf
JM		 4183 global->nl_event = nl_create_handle(global->nl_cb, "event");
4184 if (global->nl_event == NULL)
d6c9aab8 4185 goto err;
9fff9fdc 4186
d6c9aab8 4187 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 4188 if (ret >= 0)
481234cf 4189 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 4190 if (ret < 0) {
4191 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
4192 "membership for scan events: %d (%s)",
4193 ret, strerror(-ret));
d6c9aab8 4194 goto err;
97865538 4195 }
c2a04078 4196
d6c9aab8 4197 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 4198 if (ret >= 0)
481234cf 4199 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 4200 if (ret < 0) {
4201 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
4202 "membership for mlme events: %d (%s)",
4203 ret, strerror(-ret));
d6c9aab8 4204 goto err;
c2a04078 4205 }
c2a04078 4206
d6c9aab8 4207 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 4208 if (ret >= 0)
481234cf 4209 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 4210 if (ret < 0) {
4211 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
4212 "membership for regulatory events: %d (%s)",
4213 ret, strerror(-ret));
4214 /* Continue without regulatory events */
4215 }
4216
17b79e65
JM		 4217 ret = nl_get_multicast_id(global, "nl80211", "vendor");
4218 if (ret >= 0)
4219 ret = nl_socket_add_membership(global->nl_event, ret);
4220 if (ret < 0) {
4221 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
4222 "membership for vendor events: %d (%s)",
4223 ret, strerror(-ret));
4224 /* Continue without vendor events */
4225 }
4226
d6c9aab8
JB		 4227 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
4228 no_seq_check, NULL);
4229 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
4230 process_global_event, global);
4231
5f65e9f7
JB		 4232 nl80211_register_eloop_read(&global->nl_event,
4233 wpa_driver_nl80211_event_receive,
4234 global->nl_cb);
d6c9aab8
JB		 4235
4236 return 0;
4237
4238err:
4239 nl_destroy_handles(&global->nl_event);
4240 nl_destroy_handles(&global->nl);
4241 nl_cb_put(global->nl_cb);
671a5039 4242 global->nl_cb = NULL;
d6c9aab8
JB		 4243 return -1;
4244}
4245
4246
4247static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
4248{
1afc986d
JB		 4249 drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
4250 if (!drv->nl_cb) {
4251 wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct");
d6c9aab8 4252 return -1;
1afc986d
JB		 4253 }
4254
4255 nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
4256 no_seq_check, NULL);
f06aedd9
JB		 4257 nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
4258 process_drv_event, drv);
1afc986d 4259
9fff9fdc 4260 return 0;
9fff9fdc
JM		 4261}
4262
4263
8401a6b0
JM		 4264static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
4265{
8401a6b0 4266 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
a63063b4
JM		 4267 /*
4268 * This may be for any interface; use ifdown event to disable
4269 * interface.
4270 */
8401a6b0
JM		 4271}
4272
4273
4274static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
4275{
4276 struct wpa_driver_nl80211_data *drv = ctx;
4277 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 4278 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 4279 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
4280 "after rfkill unblock");
4281 return;
4282 }
a63063b4 4283 /* rtnetlink ifup handler will report interface as enabled */
8401a6b0
JM		 4284}
4285
4286
32ab4855
JB		 4287static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
4288 void *eloop_ctx,
4289 void *handle)
4290{
4291 struct wpa_driver_nl80211_data *drv = eloop_ctx;
4292 u8 data[2048];
4293 struct msghdr msg;
4294 struct iovec entry;
cad0f50e 4295 u8 control[512];
32ab4855
JB		 4296 struct cmsghdr *cmsg;
4297 int res, found_ee = 0, found_wifi = 0, acked = 0;
4298 union wpa_event_data event;
4299
4300 memset(&msg, 0, sizeof(msg));
4301 msg.msg_iov = &entry;
4302 msg.msg_iovlen = 1;
4303 entry.iov_base = data;
4304 entry.iov_len = sizeof(data);
4305 msg.msg_control = &control;
4306 msg.msg_controllen = sizeof(control);
4307
4308 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
4309 /* if error or not fitting 802.3 header, return */
4310 if (res < 14)
4311 return;
4312
4313 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
4314 {
4315 if (cmsg->cmsg_level == SOL_SOCKET &&
4316 cmsg->cmsg_type == SCM_WIFI_STATUS) {
4317 int *ack;
4318
4319 found_wifi = 1;
4320 ack = (void *)CMSG_DATA(cmsg);
4321 acked = *ack;
4322 }
4323
4324 if (cmsg->cmsg_level == SOL_PACKET &&
4325 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
4326 struct sock_extended_err *err =
4327 (struct sock_extended_err *)CMSG_DATA(cmsg);
4328
4329 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
4330 found_ee = 1;
4331 }
4332 }
4333
4334 if (!found_ee || !found_wifi)
4335 return;
4336
4337 memset(&event, 0, sizeof(event));
4338 event.eapol_tx_status.dst = data;
4339 event.eapol_tx_status.data = data + 14;
4340 event.eapol_tx_status.data_len = res - 14;
4341 event.eapol_tx_status.ack = acked;
4342 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
4343}
4344
4345
cc7a48d1
JB		 4346static int nl80211_init_bss(struct i802_bss *bss)
4347{
4348 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
4349 if (!bss->nl_cb)
4350 return -1;
4351
4352 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
4353 no_seq_check, NULL);
4354 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
4355 process_bss_event, bss);
4356
4357 return 0;
4358}
4359
4360
4361static void nl80211_destroy_bss(struct i802_bss *bss)
4362{
4363 nl_cb_put(bss->nl_cb);
4364 bss->nl_cb = NULL;
4365}
4366
4367
0d547d5f
JM		 4368static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
4369 void *global_priv, int hostapd,
4370 const u8 *set_addr)
9fff9fdc 4371{
9fff9fdc 4372 struct wpa_driver_nl80211_data *drv;
8401a6b0 4373 struct rfkill_config *rcfg;
a2e40bb6 4374 struct i802_bss *bss;
9fff9fdc 4375
a5c696ad
JM		 4376 if (global_priv == NULL)
4377 return NULL;
9fff9fdc
JM		 4378 drv = os_zalloc(sizeof(*drv));
4379 if (drv == NULL)
4380 return NULL;
f2ed8023 4381 drv->global = global_priv;
9fff9fdc 4382 drv->ctx = ctx;
0d547d5f
JM		 4383 drv->hostapd = !!hostapd;
4384 drv->eapol_sock = -1;
4385 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
4386 drv->if_indices = drv->default_if_indices;
834ee56f
KP		 4387
4388 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
4389 if (!drv->first_bss) {
4390 os_free(drv);
4391 return NULL;
4392 }
4393 bss = drv->first_bss;
a2e40bb6 4394 bss->drv = drv;
a5e1eb20
SE		 4395 bss->ctx = ctx;
4396
a2e40bb6 4397 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 4398 drv->monitor_ifidx = -1;
4399 drv->monitor_sock = -1;
d12dab4c 4400 drv->eapol_tx_sock = -1;
b1f625e0 4401 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 4402
ba2d0d7d 4403 if (wpa_driver_nl80211_init_nl(drv)) {
bbaf0837
JM		 4404 os_free(drv);
4405 return NULL;
4406 }
9fff9fdc 4407
cc7a48d1
JB		 4408 if (nl80211_init_bss(bss))
4409 goto failed;
4410
8401a6b0
JM		 4411 rcfg = os_zalloc(sizeof(*rcfg));
4412 if (rcfg == NULL)
4413 goto failed;
4414 rcfg->ctx = drv;
4415 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
4416 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
4417 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
4418 drv->rfkill = rfkill_init(rcfg);
52169389 4419 if (drv->rfkill == NULL) {
8401a6b0 4420 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
52169389
JM		 4421 os_free(rcfg);
4422 }
8401a6b0 4423
146fa9b3
JM		 4424 if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
4425 drv->start_iface_up = 1;
4426
49b4b205 4427 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1))
bbaf0837 4428 goto failed;
7524cfb1 4429
d12dab4c 4430 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 4431 if (drv->eapol_tx_sock < 0)
4432 goto failed;
4433
4434 if (drv->data_tx_status) {
4435 int enabled = 1;
4436
4437 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
4438 &enabled, sizeof(enabled)) < 0) {
4439 wpa_printf(MSG_DEBUG,
4440 "nl80211: wifi status sockopt failed\n");
4441 drv->data_tx_status = 0;
a11241fa
JB		 4442 if (!drv->use_monitor)
4443 drv->capa.flags &=
4444 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 4445 } else {
4446 eloop_register_read_sock(drv->eapol_tx_sock,
4447 wpa_driver_nl80211_handle_eapol_tx_status,
4448 drv, NULL);
4449 }
4450 }
f10bfc9a 4451
dac12351 4452 if (drv->global) {
c4bb8817 4453 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 4454 drv->in_interface_list = 1;
4455 }
c4bb8817 4456
a2e40bb6 4457 return bss;
7524cfb1 4458
bbaf0837 4459failed:
dac12351 4460 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 4461 return NULL;
4462}
4463
4464
0d547d5f
JM		 4465/**
4466 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
4467 * @ctx: context to be used when calling wpa_supplicant functions,
4468 * e.g., wpa_supplicant_event()
4469 * @ifname: interface name, e.g., wlan0
4470 * @global_priv: private driver global data from global_init()
4471 * Returns: Pointer to private data, %NULL on failure
4472 */
4473static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
4474 void *global_priv)
4475{
4476 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL);
4477}
4478
4479
a11241fa 4480static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 4481 struct nl_handle *nl_handle,
bd94971e 4482 u16 type, const u8 *match, size_t match_len)
58f6fbe0 4483{
a11241fa 4484 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0
JM		 4485 struct nl_msg *msg;
4486 int ret = -1;
880de885 4487 char buf[30];
58f6fbe0
JM		 4488
4489 msg = nlmsg_alloc();
4490 if (!msg)
4491 return -1;
4492
880de885
JM		 4493 buf[0] = '\0';
4494 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF		 4495 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
4496 type, fc2str(type), nl_handle, buf);
36488c05 4497
9fb04070 4498 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION);
58f6fbe0 4499
f632e483 4500 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 4501 goto nla_put_failure;
4502
bd94971e 4503 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type);
58f6fbe0
JM		 4504 NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match);
4505
d6c9aab8 4506 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0
JM		 4507 msg = NULL;
4508 if (ret) {
5582a5d1
JB		 4509 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
4510 "failed (type=%u): ret=%d (%s)",
4511 type, ret, strerror(-ret));
4512 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0
JM		 4513 match, match_len);
4514 goto nla_put_failure;
4515 }
4516 ret = 0;
4517nla_put_failure:
4518 nlmsg_free(msg);
4519 return ret;
4520}
4521
4522
a11241fa
JB		 4523static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
4524{
4525 struct wpa_driver_nl80211_data *drv = bss->drv;
4526
481234cf 4527 if (bss->nl_mgmt) {
a11241fa 4528 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 4529 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 4530 return -1;
4531 }
4532
481234cf
JM		 4533 bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
4534 if (bss->nl_mgmt == NULL)
a11241fa
JB		 4535 return -1;
4536
a11241fa
JB		 4537 return 0;
4538}
4539
4540
5f65e9f7
JB		 4541static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
4542{
4543 nl80211_register_eloop_read(&bss->nl_mgmt,
4544 wpa_driver_nl80211_event_receive,
4545 bss->nl_cb);
4546}
4547
4548
a11241fa 4549static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 4550 const u8 *match, size_t match_len)
4551{
4552 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 4553 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 4554 type, match, match_len);
bd94971e
JB		 4555}
4556
4557
a11241fa 4558static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 4559{
a11241fa 4560 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 4561 int ret = 0;
a11241fa
JB		 4562
4563 if (nl80211_alloc_mgmt_handle(bss))
4564 return -1;
36488c05
JM		 4565 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
4566 "handle %p", bss->nl_mgmt);
a11241fa 4567
e8d1168b
JB		 4568 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
4569 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
4570
4571 /* register for any AUTH message */
4572 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
4573 }
4574
56f5af48
JM		 4575#ifdef CONFIG_INTERWORKING
4576 /* QoS Map Configure */
4577 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 4578 ret = -1;
56f5af48 4579#endif /* CONFIG_INTERWORKING */
4fe9fa0d 4580#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 4581 /* GAS Initial Request */
a11241fa 4582 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 4583 ret = -1;
046b26a2 4584 /* GAS Initial Response */
a11241fa 4585 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 4586 ret = -1;
18708aad 4587 /* GAS Comeback Request */
a11241fa 4588 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 4589 ret = -1;
18708aad 4590 /* GAS Comeback Response */
a11241fa 4591 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 4592 ret = -1;
c5a64e2d
JM		 4593 /* Protected GAS Initial Request */
4594 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
4595 ret = -1;
4596 /* Protected GAS Initial Response */
4597 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
4598 ret = -1;
4599 /* Protected GAS Comeback Request */
4600 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
4601 ret = -1;
4602 /* Protected GAS Comeback Response */
4603 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
4604 ret = -1;
4fe9fa0d
JM		 4605#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
4606#ifdef CONFIG_P2P
046b26a2 4607 /* P2P Public Action */
a11241fa 4608 if (nl80211_register_action_frame(bss,
046b26a2
JM		 4609 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
4610 6) < 0)
6f06766e 4611 ret = -1;
046b26a2 4612 /* P2P Action */
a11241fa 4613 if (nl80211_register_action_frame(bss,
046b26a2
JM		 4614 (u8 *) "\x7f\x50\x6f\x9a\x09",
4615 5) < 0)
6f06766e 4616 ret = -1;
046b26a2 4617#endif /* CONFIG_P2P */
7d878ca7
JM		 4618#ifdef CONFIG_IEEE80211W
4619 /* SA Query Response */
a11241fa 4620 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 4621 ret = -1;
7d878ca7 4622#endif /* CONFIG_IEEE80211W */
35287637
AN		 4623#ifdef CONFIG_TDLS
4624 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
4625 /* TDLS Discovery Response */
aa543c0c 4626 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 4627 0)
6f06766e 4628 ret = -1;
35287637
AN		 4629 }
4630#endif /* CONFIG_TDLS */
046b26a2 4631
7b90c16a 4632 /* FT Action frames */
a11241fa 4633 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 4634 ret = -1;
7b90c16a
JM		 4635 else
4636 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
4637 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
4638
71269b37 4639 /* WNM - BSS Transition Management Request */
a11241fa 4640 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 4641 ret = -1;
bd896433
JM		 4642 /* WNM-Sleep Mode Response */
4643 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 4644 ret = -1;
a11241fa 4645
95a3ea94
JM		 4646#ifdef CONFIG_HS20
4647 /* WNM-Notification */
4648 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 4649 ret = -1;
95a3ea94
JM		 4650#endif /* CONFIG_HS20 */
4651
5f65e9f7
JB		 4652 nl80211_mgmt_handle_register_eloop(bss);
4653
6f06766e 4654 return ret;
a11241fa
JB		 4655}
4656
4657
02bb32c3
JB		 4658static int nl80211_register_spurious_class3(struct i802_bss *bss)
4659{
4660 struct wpa_driver_nl80211_data *drv = bss->drv;
4661 struct nl_msg *msg;
4662 int ret = -1;
4663
4664 msg = nlmsg_alloc();
4665 if (!msg)
4666 return -1;
4667
4668 nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME);
4669
4670 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
4671
481234cf 4672 ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 4673 msg = NULL;
4674 if (ret) {
4675 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
4676 "failed: ret=%d (%s)",
4677 ret, strerror(-ret));
4678 goto nla_put_failure;
4679 }
4680 ret = 0;
4681nla_put_failure:
4682 nlmsg_free(msg);
4683 return ret;
4684}
4685
4686
a11241fa
JB		 4687static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
4688{
4689 static const int stypes[] = {
4690 WLAN_FC_STYPE_AUTH,
4691 WLAN_FC_STYPE_ASSOC_REQ,
4692 WLAN_FC_STYPE_REASSOC_REQ,
4693 WLAN_FC_STYPE_DISASSOC,
4694 WLAN_FC_STYPE_DEAUTH,
4695 WLAN_FC_STYPE_ACTION,
4696 WLAN_FC_STYPE_PROBE_REQ,
4697/* Beacon doesn't work as mac80211 doesn't currently allow
4698 * it, but it wouldn't really be the right thing anyway as
4699 * it isn't per interface ... maybe just dump the scan
4700 * results periodically for OLBC?
4701 */
0e80ea2c 4702 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB		 4703 };
4704 unsigned int i;
4705
4706 if (nl80211_alloc_mgmt_handle(bss))
71269b37 4707 return -1;
36488c05
JM		 4708 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
4709 "handle %p", bss->nl_mgmt);
71269b37 4710
e7ecab4a 4711 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 4712 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 4713 (WLAN_FC_TYPE_MGMT << 2) |
4714 (stypes[i] << 4),
4715 NULL, 0) < 0) {
4716 goto out_err;
4717 }
4718 }
4719
02bb32c3
JB		 4720 if (nl80211_register_spurious_class3(bss))
4721 goto out_err;
4722
e32ad281
JB		 4723 if (nl80211_get_wiphy_data_ap(bss) == NULL)
4724 goto out_err;
4725
5f65e9f7 4726 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 4727 return 0;
a11241fa
JB		 4728
4729out_err:
a11241fa
JB		 4730 nl_destroy_handles(&bss->nl_mgmt);
4731 return -1;
4732}
4733
4734
a6cc0602
JM		 4735static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
4736{
4737 if (nl80211_alloc_mgmt_handle(bss))
4738 return -1;
4739 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
4740 "handle %p (device SME)", bss->nl_mgmt);
4741
4742 if (nl80211_register_frame(bss, bss->nl_mgmt,
4743 (WLAN_FC_TYPE_MGMT << 2) |
4744 (WLAN_FC_STYPE_ACTION << 4),
4745 NULL, 0) < 0)
4746 goto out_err;
4747
5f65e9f7 4748 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 4749 return 0;
4750
4751out_err:
a6cc0602
JM		 4752 nl_destroy_handles(&bss->nl_mgmt);
4753 return -1;
4754}
4755
4756
36488c05 4757static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 4758{
481234cf 4759 if (bss->nl_mgmt == NULL)
a11241fa 4760 return;
36488c05
JM		 4761 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
4762 "(%s)", bss->nl_mgmt, reason);
5f65e9f7 4763 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
e32ad281
JB		 4764
4765 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 4766}
4767
4768
8401a6b0
JM		 4769static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
4770{
4771 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
4772}
4773
4774
eb4582f2
AS		 4775static void nl80211_del_p2pdev(struct i802_bss *bss)
4776{
4777 struct wpa_driver_nl80211_data *drv = bss->drv;
4778 struct nl_msg *msg;
4779 int ret;
4780
4781 msg = nlmsg_alloc();
4782 if (!msg)
4783 return;
4784
4785 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
4786 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
4787
4788 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4789 msg = NULL;
4790
4791 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
4792 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 4793 strerror(-ret));
eb4582f2
AS		 4794
4795nla_put_failure:
4796 nlmsg_free(msg);
4797}
4798
4799
eb4582f2 4800static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483
AS		 4801{
4802 struct wpa_driver_nl80211_data *drv = bss->drv;
4803 struct nl_msg *msg;
4804 int ret = -1;
4805
f632e483
AS		 4806 msg = nlmsg_alloc();
4807 if (!msg)
4808 return -1;
4809
eb4582f2
AS		 4810 if (start)
4811 nl80211_cmd(drv, msg, 0, NL80211_CMD_START_P2P_DEVICE);
4812 else
4813 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_P2P_DEVICE);
4814
f632e483
AS		 4815 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
4816
4817 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4818 msg = NULL;
4819
eb4582f2
AS		 4820 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
4821 start ? "Start" : "Stop",
4822 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 4823 strerror(-ret));
eb4582f2 4824
f632e483
AS		 4825nla_put_failure:
4826 nlmsg_free(msg);
4827 return ret;
4828}
f632e483
AS		 4829
4830
91724d6f
AS		 4831static int i802_set_iface_flags(struct i802_bss *bss, int up)
4832{
4833 enum nl80211_iftype nlmode;
4834
4835 nlmode = nl80211_get_ifmode(bss);
4836 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
4837 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
4838 bss->ifname, up);
4839 }
4840
4841 /* P2P Device has start/stop which is equivalent */
4842 return nl80211_set_p2pdev(bss, up);
4843}
4844
4845
362f781e 4846static int
0d547d5f 4847wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
49b4b205 4848 const u8 *set_addr, int first)
7524cfb1 4849{
834ee56f 4850 struct i802_bss *bss = drv->first_bss;
8401a6b0 4851 int send_rfkill_event = 0;
0d547d5f 4852 enum nl80211_iftype nlmode;
a2e40bb6
FF		 4853
4854 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 4855 bss->ifindex = drv->ifindex;
4856 bss->wdev_id = drv->global->if_add_wdevid;
4857 bss->wdev_id_set = drv->global->if_add_wdevid_set;
4858
60b13c20
IP		 4859 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
4860 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 4861 drv->global->if_add_wdevid_set = 0;
4862
bf144cf6
AP		 4863 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
4864 bss->static_ap = 1;
4865
f632e483
AS		 4866 if (wpa_driver_nl80211_capa(drv))
4867 return -1;
a87c9d96 4868
5fbcb45d
AS		 4869 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
4870 bss->ifname, drv->phyname);
4871
0d547d5f
JM		 4872 if (set_addr &&
4873 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
4874 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
4875 set_addr)))
4876 return -1;
4877
49b4b205
JM		 4878 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
4879 drv->start_mode_ap = 1;
4880
bf144cf6 4881 if (drv->hostapd || bss->static_ap)
0d547d5f
JM		 4882 nlmode = NL80211_IFTYPE_AP;
4883 else if (bss->if_dynamic)
8e12685c 4884 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 4885 else
4886 nlmode = NL80211_IFTYPE_STATION;
f632e483 4887
8e12685c 4888 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 4889 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 4890 return -1;
a87c9d96
JM		 4891 }
4892
8c06db70 4893 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 4894 nl80211_get_macaddr(bss);
f632e483 4895
8c06db70
MB		 4896 if (!rfkill_is_blocked(drv->rfkill)) {
4897 int ret = i802_set_iface_flags(bss, 1);
4898 if (ret) {
8401a6b0
JM		 4899 wpa_printf(MSG_ERROR, "nl80211: Could not set "
4900 "interface '%s' UP", bss->ifname);
8c06db70 4901 return ret;
8401a6b0 4902 }
8c06db70
MB		 4903 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
4904 return ret;
4905 } else {
4906 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
4907 "interface '%s' due to rfkill", bss->ifname);
4908 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
4909 return 0;
4910 drv->if_disabled = 1;
4911 send_rfkill_event = 1;
362f781e 4912 }
3f5285e8 4913
0d547d5f
JM		 4914 if (!drv->hostapd)
4915 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
4916 1, IF_OPER_DORMANT);
362f781e 4917
c81eff1a 4918 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
341eebee 4919 bss->addr))
2136f480 4920 return -1;
fee354c7 4921 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
f2ed8023 4922
8401a6b0
JM		 4923 if (send_rfkill_event) {
4924 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
4925 drv, drv->ctx);
4926 }
4927
362f781e 4928 return 0;
3f5285e8
JM		 4929}
4930
4931
8a27af5c
JM		 4932static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
4933{
4934 struct nl_msg *msg;
4935
4936 msg = nlmsg_alloc();
4937 if (!msg)
4938 return -ENOMEM;
4939
08e55ebb
JM		 4940 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
4941 drv->ifindex);
9fb04070 4942 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON);
8a27af5c
JM		 4943 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4944
4945 return send_and_recv_msgs(drv, msg, NULL, NULL);
4946 nla_put_failure:
5883168a 4947 nlmsg_free(msg);
8a27af5c
JM		 4948 return -ENOBUFS;
4949}
8a27af5c
JM		 4950
4951
3f5285e8 4952/**
7e5ba1b9 4953 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 4954 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 4955 *
4956 * Shut down driver interface and processing of driver events. Free
4957 * private data buffer if one was allocated in wpa_driver_nl80211_init().
4958 */
9ebce9c5 4959static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 4960{
a2e40bb6 4961 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 4962
873d0fcf 4963 bss->in_deinit = 1;
32ab4855
JB		 4964 if (drv->data_tx_status)
4965 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 4966 if (drv->eapol_tx_sock >= 0)
4967 close(drv->eapol_tx_sock);
f10bfc9a 4968
481234cf 4969 if (bss->nl_preq)
5582a5d1 4970 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 4971 if (bss->added_if_into_bridge) {
c81eff1a
BG		 4972 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
4973 bss->ifname) < 0)
94627f6c
JM		 4974 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4975 "interface %s from bridge %s: %s",
e17a2477 4976 bss->ifname, bss->brname, strerror(errno));
97ed9a06 4977 if (drv->rtnl_sk)
ca3c6b4d 4978 nl80211_handle_destroy(drv->rtnl_sk);
94627f6c 4979 }
e17a2477 4980 if (bss->added_bridge) {
c81eff1a 4981 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 4982 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4983 "bridge %s: %s",
e17a2477 4984 bss->brname, strerror(errno));
94627f6c
JM		 4985 }
4986
460456f8 4987 nl80211_remove_monitor_interface(drv);
8a27af5c 4988
b1f625e0 4989 if (is_ap_interface(drv->nlmode))
8a27af5c 4990 wpa_driver_nl80211_del_beacon(drv);
0915d02c 4991
bbaf0837
JM		 4992 if (drv->eapol_sock >= 0) {
4993 eloop_unregister_read_sock(drv->eapol_sock);
4994 close(drv->eapol_sock);
4995 }
4996
4997 if (drv->if_indices != drv->default_if_indices)
4998 os_free(drv->if_indices);
3f5285e8 4999
b3af99d2 5000 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 5001 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
5002
36d84860
BG		 5003 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
5004 IF_OPER_UP);
e390df05 5005 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 5006 rfkill_deinit(drv->rfkill);
3f5285e8 5007
bbaf0837
JM		 5008 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
5009
146fa9b3
JM		 5010 if (!drv->start_iface_up)
5011 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM		 5012
5013 if (drv->addr_changed) {
93da0498
JM		 5014 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
5015 0) < 0) {
5016 wpa_printf(MSG_DEBUG,
5017 "nl80211: Could not set interface down to restore permanent MAC address");
5018 }
fee354c7
JM		 5019 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
5020 drv->perm_addr) < 0) {
5021 wpa_printf(MSG_DEBUG,
5022 "nl80211: Could not restore permanent MAC address");
5023 }
5024 }
5025
8e12685c 5026 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 5027 if (!drv->hostapd || !drv->start_mode_ap)
5028 wpa_driver_nl80211_set_mode(bss,
5029 NL80211_IFTYPE_STATION);
b378c41f 5030 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 5031 } else {
5032 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 5033 nl80211_del_p2pdev(bss);
8e12685c 5034 }
1afc986d 5035 nl_cb_put(drv->nl_cb);
3f5285e8 5036
834ee56f 5037 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 5038
3812464c
JM		 5039 os_free(drv->filter_ssids);
5040
536fd62d
JM		 5041 os_free(drv->auth_ie);
5042
dac12351 5043 if (drv->in_interface_list)
f2ed8023
JM		 5044 dl_list_del(&drv->list);
5045
8cd6b7bc
JB		 5046 os_free(drv->extended_capa);
5047 os_free(drv->extended_capa_mask);
834ee56f 5048 os_free(drv->first_bss);
3f5285e8
JM		 5049 os_free(drv);
5050}
5051
5052
5053/**
5054 * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion
ad1e68e6 5055 * @eloop_ctx: Driver private data
3f5285e8
JM		 5056 * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init()
5057 *
5058 * This function can be used as registered timeout when starting a scan to
5059 * generate a scan completed event if the driver does not report this.
5060 */
5061static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
5062{
ad1e68e6 5063 struct wpa_driver_nl80211_data *drv = eloop_ctx;
b1f625e0 5064 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) {
834ee56f 5065 wpa_driver_nl80211_set_mode(drv->first_bss,
b1f625e0
EP		 5066 drv->ap_scan_as_station);
5067 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6 5068 }
3f5285e8
JM		 5069 wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
5070 wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
5071}
5072
5073
95ac3bf4
JM		 5074static struct nl_msg *
5075nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd,
d3aaef80 5076 struct wpa_driver_scan_params *params, u64 *wdev_id)
3f5285e8 5077{
95ac3bf4 5078 struct nl_msg *msg;
6a1063e0 5079 size_t i;
57a8f8af 5080 u32 scan_flags = 0;
3f5285e8 5081
0e75527f 5082 msg = nlmsg_alloc();
f0494d0f 5083 if (!msg)
95ac3bf4 5084 return NULL;
3812464c 5085
95ac3bf4 5086 nl80211_cmd(drv, msg, 0, cmd);
0e75527f 5087
d3aaef80
DS		 5088 if (!wdev_id)
5089 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5090 else
5091 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, *wdev_id);
3f5285e8 5092
f0494d0f 5093 if (params->num_ssids) {
8970bae8
JB		 5094 struct nlattr *ssids;
5095
5096 ssids = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
f0494d0f 5097 if (ssids == NULL)
95ac3bf4 5098 goto fail;
f0494d0f
JM		 5099 for (i = 0; i < params->num_ssids; i++) {
5100 wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID",
5101 params->ssids[i].ssid,
5102 params->ssids[i].ssid_len);
8970bae8
JB		 5103 if (nla_put(msg, i + 1, params->ssids[i].ssid_len,
5104 params->ssids[i].ssid) < 0)
95ac3bf4 5105 goto fail;
f0494d0f 5106 }
8970bae8 5107 nla_nest_end(msg, ssids);
3f5285e8
JM		 5108 }
5109
d173df52 5110 if (params->extra_ies) {
3b1c7bfd
JM		 5111 wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs",
5112 params->extra_ies, params->extra_ies_len);
95ac3bf4
JM		 5113 if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len,
5114 params->extra_ies) < 0)
5115 goto fail;
d173df52
JM		 5116 }
5117
d3a98225 5118 if (params->freqs) {
8970bae8
JB		 5119 struct nlattr *freqs;
5120 freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
f0494d0f 5121 if (freqs == NULL)
95ac3bf4 5122 goto fail;
9fad706c
JM		 5123 for (i = 0; params->freqs[i]; i++) {
5124 wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u "
5125 "MHz", params->freqs[i]);
8970bae8 5126 if (nla_put_u32(msg, i + 1, params->freqs[i]) < 0)
95ac3bf4 5127 goto fail;
9fad706c 5128 }
8970bae8 5129 nla_nest_end(msg, freqs);
d3a98225
JM		 5130 }
5131
95ac3bf4
JM		 5132 os_free(drv->filter_ssids);
5133 drv->filter_ssids = params->filter_ssids;
5134 params->filter_ssids = NULL;
5135 drv->num_filter_ssids = params->num_filter_ssids;
5136
949938aa
JM		 5137 if (params->only_new_results) {
5138 wpa_printf(MSG_DEBUG, "nl80211: Add NL80211_SCAN_FLAG_FLUSH");
57a8f8af 5139 scan_flags |= NL80211_SCAN_FLAG_FLUSH;
949938aa
JM		 5140 }
5141
57a8f8af
JB		 5142 if (params->low_priority && drv->have_low_prio_scan) {
5143 wpa_printf(MSG_DEBUG,
5144 "nl80211: Add NL80211_SCAN_FLAG_LOW_PRIORITY");
5145 scan_flags |= NL80211_SCAN_FLAG_LOW_PRIORITY;
5146 }
5147
5148 if (scan_flags)
5149 NLA_PUT_U32(msg, NL80211_ATTR_SCAN_FLAGS, scan_flags);
5150
95ac3bf4
JM		 5151 return msg;
5152
5153fail:
d3aaef80 5154nla_put_failure:
95ac3bf4
JM		 5155 nlmsg_free(msg);
5156 return NULL;
5157}
5158
5159
5160/**
5161 * wpa_driver_nl80211_scan - Request the driver to initiate scan
9ebce9c5 5162 * @bss: Pointer to private driver data from wpa_driver_nl80211_init()
95ac3bf4
JM		 5163 * @params: Scan parameters
5164 * Returns: 0 on success, -1 on failure
5165 */
9ebce9c5 5166static int wpa_driver_nl80211_scan(struct i802_bss *bss,
95ac3bf4
JM		 5167 struct wpa_driver_scan_params *params)
5168{
95ac3bf4
JM		 5169 struct wpa_driver_nl80211_data *drv = bss->drv;
5170 int ret = -1, timeout;
8970bae8 5171 struct nl_msg *msg = NULL;
95ac3bf4 5172
565110cd 5173 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: scan request");
95ac3bf4
JM		 5174 drv->scan_for_auth = 0;
5175
d3aaef80
DS		 5176 msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params,
5177 bss->wdev_id_set ? &bss->wdev_id : NULL);
95ac3bf4
JM		 5178 if (!msg)
5179 return -1;
5180
47185fc7 5181 if (params->p2p_probe) {
8970bae8
JB		 5182 struct nlattr *rates;
5183
8a6a1e1b
JM		 5184 wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates");
5185
8970bae8 5186 rates = nla_nest_start(msg, NL80211_ATTR_SCAN_SUPP_RATES);
f0494d0f
JM		 5187 if (rates == NULL)
5188 goto nla_put_failure;
5189
47185fc7
RM		 5190 /*
5191 * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates
5192 * by masking out everything else apart from the OFDM rates 6,
5193 * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz
5194 * rates are left enabled.
5195 */
8970bae8 5196 NLA_PUT(msg, NL80211_BAND_2GHZ, 8,
47185fc7 5197 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
8970bae8 5198 nla_nest_end(msg, rates);
970fa12e
RM		 5199
5200 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
47185fc7
RM		 5201 }
5202
0e75527f
JM		 5203 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5204 msg = NULL;
5205 if (ret) {
5206 wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
5207 "(%s)", ret, strerror(-ret));
04eff7d5 5208 if (drv->hostapd && is_ap_interface(drv->nlmode)) {
72e7fb3f
YP		 5209 enum nl80211_iftype old_mode = drv->nlmode;
5210
ad1e68e6
JM		 5211 /*
5212 * mac80211 does not allow scan requests in AP mode, so
5213 * try to do this in station mode.
5214 */
b1f625e0
EP		 5215 if (wpa_driver_nl80211_set_mode(
5216 bss, NL80211_IFTYPE_STATION))
ad1e68e6
JM		 5217 goto nla_put_failure;
5218
085b29f1 5219 if (wpa_driver_nl80211_scan(bss, params)) {
b1f625e0 5220 wpa_driver_nl80211_set_mode(bss, drv->nlmode);
ad1e68e6
JM		 5221 goto nla_put_failure;
5222 }
5223
5224 /* Restore AP mode when processing scan results */
72e7fb3f 5225 drv->ap_scan_as_station = old_mode;
ad1e68e6
JM		 5226 ret = 0;
5227 } else
5228 goto nla_put_failure;
3f5285e8
JM		 5229 }
5230
a771c07d 5231 drv->scan_state = SCAN_REQUESTED;
3f5285e8
JM		 5232 /* Not all drivers generate "scan completed" wireless event, so try to
5233 * read results after a timeout. */
0e75527f 5234 timeout = 10;
3f5285e8
JM		 5235 if (drv->scan_complete_events) {
5236 /*
d173df52
JM		 5237 * The driver seems to deliver events to notify when scan is
5238 * complete, so use longer timeout to avoid race conditions
5239 * with scanning and following association request.
3f5285e8
JM		 5240 */
5241 timeout = 30;
5242 }
5243 wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d "
5244 "seconds", ret, timeout);
5245 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
0e75527f
JM		 5246 eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout,
5247 drv, drv->ctx);
3f5285e8 5248
0e75527f 5249nla_put_failure:
0e75527f 5250 nlmsg_free(msg);
3f5285e8
JM		 5251 return ret;
5252}
5253
5254
d21c63b9
LC		 5255/**
5256 * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan
5257 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
5258 * @params: Scan parameters
5259 * @interval: Interval between scan cycles in milliseconds
5260 * Returns: 0 on success, -1 on failure or if not supported
5261 */
5262static int wpa_driver_nl80211_sched_scan(void *priv,
5263 struct wpa_driver_scan_params *params,
5264 u32 interval)
5265{
5266 struct i802_bss *bss = priv;
5267 struct wpa_driver_nl80211_data *drv = bss->drv;
6afbc3d6 5268 int ret = -1;
95ac3bf4 5269 struct nl_msg *msg;
d21c63b9
LC		 5270 size_t i;
5271
565110cd
JM		 5272 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: sched_scan request");
5273
216eede8
DS		 5274#ifdef ANDROID
5275 if (!drv->capa.sched_scan_supported)
5276 return android_pno_start(bss, params);
5277#endif /* ANDROID */
5278
d3aaef80
DS		 5279 msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params,
5280 bss->wdev_id_set ? &bss->wdev_id : NULL);
6afbc3d6
JM		 5281 if (!msg)
5282 goto nla_put_failure;
d21c63b9 5283
d21c63b9
LC		 5284 NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval);
5285
bf8d6d24
TP		 5286 if ((drv->num_filter_ssids &&
5287 (int) drv->num_filter_ssids <= drv->capa.max_match_sets) ||
5288 params->filter_rssi) {
8970bae8
JB		 5289 struct nlattr *match_sets;
5290 match_sets = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH);
6afbc3d6
JM		 5291 if (match_sets == NULL)
5292 goto nla_put_failure;
bd525934
LC		 5293
5294 for (i = 0; i < drv->num_filter_ssids; i++) {
8970bae8 5295 struct nlattr *match_set_ssid;
bd525934
LC		 5296 wpa_hexdump_ascii(MSG_MSGDUMP,
5297 "nl80211: Sched scan filter SSID",
5298 drv->filter_ssids[i].ssid,
5299 drv->filter_ssids[i].ssid_len);
5300
8970bae8 5301 match_set_ssid = nla_nest_start(msg, i + 1);
6afbc3d6
JM		 5302 if (match_set_ssid == NULL)
5303 goto nla_put_failure;
8970bae8 5304 NLA_PUT(msg, NL80211_ATTR_SCHED_SCAN_MATCH_SSID,
bd525934
LC		 5305 drv->filter_ssids[i].ssid_len,
5306 drv->filter_ssids[i].ssid);
ff5e1d14
JB		 5307 if (params->filter_rssi)
5308 NLA_PUT_U32(msg,
5309 NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
5310 params->filter_rssi);
bd525934 5311
adc96dc2 5312 nla_nest_end(msg, match_set_ssid);
bd525934
LC		 5313 }
5314
ff5e1d14
JB		 5315 /*
5316 * Due to backward compatibility code, newer kernels treat this
5317 * matchset (with only an RSSI filter) as the default for all
5318 * other matchsets, unless it's the only one, in which case the
5319 * matchset will actually allow all SSIDs above the RSSI.
5320 */
bf8d6d24 5321 if (params->filter_rssi) {
8970bae8
JB		 5322 struct nlattr *match_set_rssi;
5323 match_set_rssi = nla_nest_start(msg, 0);
6afbc3d6
JM		 5324 if (match_set_rssi == NULL)
5325 goto nla_put_failure;
8970bae8 5326 NLA_PUT_U32(msg, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
bf8d6d24
TP		 5327 params->filter_rssi);
5328 wpa_printf(MSG_MSGDUMP,
5329 "nl80211: Sched scan RSSI filter %d dBm",
5330 params->filter_rssi);
8970bae8 5331 nla_nest_end(msg, match_set_rssi);
bf8d6d24
TP		 5332 }
5333
8970bae8 5334 nla_nest_end(msg, match_sets);
bd525934
LC		 5335 }
5336
d21c63b9
LC		 5337 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5338
5339 /* TODO: if we get an error here, we should fall back to normal scan */
5340
5341 msg = NULL;
5342 if (ret) {
5343 wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: "
5344 "ret=%d (%s)", ret, strerror(-ret));
5345 goto nla_put_failure;
5346 }
5347
5348 wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - "
5349 "scan interval %d msec", ret, interval);
5350
5351nla_put_failure:
d21c63b9 5352 nlmsg_free(msg);
d21c63b9
LC		 5353 return ret;
5354}
5355
5356
5357/**
5358 * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan
5359 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
5360 * Returns: 0 on success, -1 on failure or if not supported
5361 */
5362static int wpa_driver_nl80211_stop_sched_scan(void *priv)
5363{
5364 struct i802_bss *bss = priv;
5365 struct wpa_driver_nl80211_data *drv = bss->drv;
5366 int ret = 0;
5367 struct nl_msg *msg;
5368
216eede8
DS		 5369#ifdef ANDROID
5370 if (!drv->capa.sched_scan_supported)
5371 return android_pno_stop(bss);
5372#endif /* ANDROID */
5373
d21c63b9
LC		 5374 msg = nlmsg_alloc();
5375 if (!msg)
5376 return -1;
5377
9fb04070 5378 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN);
d21c63b9
LC		 5379
5380 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5381
5382 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5383 msg = NULL;
5384 if (ret) {
5385 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: "
5386 "ret=%d (%s)", ret, strerror(-ret));
5387 goto nla_put_failure;
5388 }
5389
5390 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret);
5391
5392nla_put_failure:
5393 nlmsg_free(msg);
5394 return ret;
5395}
5396
5397
3812464c
JM		 5398static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie)
5399{
5400 const u8 *end, *pos;
5401
5402 if (ies == NULL)
5403 return NULL;
5404
5405 pos = ies;
5406 end = ies + ies_len;
5407
5408 while (pos + 1 < end) {
5409 if (pos + 2 + pos[1] > end)
5410 break;
5411 if (pos[0] == ie)
5412 return pos;
5413 pos += 2 + pos[1];
5414 }
5415
5416 return NULL;
5417}
5418
5419
5420static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv,
5421 const u8 *ie, size_t ie_len)
5422{
5423 const u8 *ssid;
5424 size_t i;
5425
5426 if (drv->filter_ssids == NULL)
5427 return 0;
5428
5429 ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID);
5430 if (ssid == NULL)
5431 return 1;
5432
5433 for (i = 0; i < drv->num_filter_ssids; i++) {
5434 if (ssid[1] == drv->filter_ssids[i].ssid_len &&
5435 os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) ==
5436 0)
5437 return 0;
5438 }
5439
5440 return 1;
5441}
5442
5443
b3db1e1c 5444static int bss_info_handler(struct nl_msg *msg, void *arg)
3f5285e8 5445{
b3db1e1c
JM		 5446 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5447 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5448 struct nlattr *bss[NL80211_BSS_MAX + 1];
5449 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
5450 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
5451 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
5452 [NL80211_BSS_TSF] = { .type = NLA_U64 },
5453 [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 },
5454 [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 },
5455 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
5456 [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
5457 [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
e6b8efeb 5458 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
b3ad11bb 5459 [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
8c090654 5460 [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC },
b3db1e1c 5461 };
3812464c
JM		 5462 struct nl80211_bss_info_arg *_arg = arg;
5463 struct wpa_scan_results *res = _arg->res;
3f5285e8
JM		 5464 struct wpa_scan_res **tmp;
5465 struct wpa_scan_res *r;
8c090654
JM		 5466 const u8 *ie, *beacon_ie;
5467 size_t ie_len, beacon_ie_len;
5468 u8 *pos;
46957a9b 5469 size_t i;
3f5285e8 5470
b3db1e1c
JM		 5471 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5472 genlmsg_attrlen(gnlh, 0), NULL);
5473 if (!tb[NL80211_ATTR_BSS])
5474 return NL_SKIP;
5475 if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
5476 bss_policy))
5477 return NL_SKIP;
f5a8d422
JM		 5478 if (bss[NL80211_BSS_STATUS]) {
5479 enum nl80211_bss_status status;
5480 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
5481 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
5482 bss[NL80211_BSS_FREQUENCY]) {
5483 _arg->assoc_freq =
5484 nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
5485 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
5486 _arg->assoc_freq);
5487 }
c7caac56
JM		 5488 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
5489 bss[NL80211_BSS_FREQUENCY]) {
5490 _arg->ibss_freq =
5491 nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
5492 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
5493 _arg->ibss_freq);
5494 }
20f5a4c2
JM		 5495 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
5496 bss[NL80211_BSS_BSSID]) {
5497 os_memcpy(_arg->assoc_bssid,
5498 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
5499 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
5500 MACSTR, MAC2STR(_arg->assoc_bssid));
5501 }
f5a8d422
JM		 5502 }
5503 if (!res)
5504 return NL_SKIP;
b3db1e1c
JM		 5505 if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
5506 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
5507 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
5508 } else {
5509 ie = NULL;
5510 ie_len = 0;
5511 }
8c090654
JM		 5512 if (bss[NL80211_BSS_BEACON_IES]) {
5513 beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]);
5514 beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]);
5515 } else {
5516 beacon_ie = NULL;
5517 beacon_ie_len = 0;
5518 }
3f5285e8 5519
3812464c
JM		 5520 if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie,
5521 ie ? ie_len : beacon_ie_len))
5522 return NL_SKIP;
5523
8c090654 5524 r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len);
3f5285e8 5525 if (r == NULL)
b3db1e1c
JM		 5526 return NL_SKIP;
5527 if (bss[NL80211_BSS_BSSID])
5528 os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]),
5529 ETH_ALEN);
5530 if (bss[NL80211_BSS_FREQUENCY])
5531 r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
5532 if (bss[NL80211_BSS_BEACON_INTERVAL])
5533 r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]);
5534 if (bss[NL80211_BSS_CAPABILITY])
5535 r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]);
7c2849d2
JM		 5536 r->flags |= WPA_SCAN_NOISE_INVALID;
5537 if (bss[NL80211_BSS_SIGNAL_MBM]) {
b3db1e1c 5538 r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]);
7c2849d2
JM		 5539 r->level /= 100; /* mBm to dBm */
5540 r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID;
5541 } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) {
5542 r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
98ac6763 5543 r->flags |= WPA_SCAN_QUAL_INVALID;
7c2849d2
JM		 5544 } else
5545 r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID;
b3db1e1c
JM		 5546 if (bss[NL80211_BSS_TSF])
5547 r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]);
b3ad11bb
JM		 5548 if (bss[NL80211_BSS_SEEN_MS_AGO])
5549 r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]);
b3db1e1c 5550 r->ie_len = ie_len;
8c090654
JM		 5551 pos = (u8 *) (r + 1);
5552 if (ie) {
5553 os_memcpy(pos, ie, ie_len);
5554 pos += ie_len;
5555 }
5556 r->beacon_ie_len = beacon_ie_len;
5557 if (beacon_ie)
5558 os_memcpy(pos, beacon_ie, beacon_ie_len);
3f5285e8 5559
e6b8efeb
JM		 5560 if (bss[NL80211_BSS_STATUS]) {
5561 enum nl80211_bss_status status;
5562 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
5563 switch (status) {
5564 case NL80211_BSS_STATUS_AUTHENTICATED:
5565 r->flags |= WPA_SCAN_AUTHENTICATED;
5566 break;
5567 case NL80211_BSS_STATUS_ASSOCIATED:
5568 r->flags |= WPA_SCAN_ASSOCIATED;
5569 break;
5570 default:
5571 break;
5572 }
5573 }
5574
46957a9b
JM		 5575 /*
5576 * cfg80211 maintains separate BSS table entries for APs if the same
5577 * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does
5578 * not use frequency as a separate key in the BSS table, so filter out
5579 * duplicated entries. Prefer associated BSS entry in such a case in
4ea6a471
JM		 5580 * order to get the correct frequency into the BSS table. Similarly,
5581 * prefer newer entries over older.
46957a9b
JM		 5582 */
5583 for (i = 0; i < res->num; i++) {
5584 const u8 *s1, *s2;
5585 if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0)
5586 continue;
5587
5588 s1 = nl80211_get_ie((u8 *) (res->res[i] + 1),
5589 res->res[i]->ie_len, WLAN_EID_SSID);
5590 s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID);
5591 if (s1 == NULL || s2 == NULL || s1[1] != s2[1] ||
5592 os_memcmp(s1, s2, 2 + s1[1]) != 0)
5593 continue;
5594
5595 /* Same BSSID,SSID was already included in scan results */
5596 wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result "
5597 "for " MACSTR, MAC2STR(r->bssid));
5598
4ea6a471
JM		 5599 if (((r->flags & WPA_SCAN_ASSOCIATED) &&
5600 !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) ||
5601 r->age < res->res[i]->age) {
46957a9b
JM		 5602 os_free(res->res[i]);
5603 res->res[i] = r;
5604 } else
5605 os_free(r);
5606 return NL_SKIP;
5607 }
5608
067ffa26
JM		 5609 tmp = os_realloc_array(res->res, res->num + 1,
5610 sizeof(struct wpa_scan_res *));
3f5285e8
JM		 5611 if (tmp == NULL) {
5612 os_free(r);
b3db1e1c 5613 return NL_SKIP;
3f5285e8
JM		 5614 }
5615 tmp[res->num++] = r;
5616 res->res = tmp;
b3db1e1c
JM		 5617
5618 return NL_SKIP;
3f5285e8 5619}
b3db1e1c 5620
3f5285e8 5621
d72aad94
JM		 5622static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv,
5623 const u8 *addr)
5624{
5625 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
5626 wpa_printf(MSG_DEBUG, "nl80211: Clear possible state "
582507be 5627 "mismatch (" MACSTR ")", MAC2STR(addr));
d72aad94
JM		 5628 wpa_driver_nl80211_mlme(drv, addr,
5629 NL80211_CMD_DEAUTHENTICATE,
77339912 5630 WLAN_REASON_PREV_AUTH_NOT_VALID, 1);
d72aad94
JM		 5631 }
5632}
5633
5634
e6b8efeb
JM		 5635static void wpa_driver_nl80211_check_bss_status(
5636 struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res)
5637{
5638 size_t i;
5639
5640 for (i = 0; i < res->num; i++) {
5641 struct wpa_scan_res *r = res->res[i];
5642 if (r->flags & WPA_SCAN_AUTHENTICATED) {
5643 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
5644 "indicates BSS status with " MACSTR
5645 " as authenticated",
5646 MAC2STR(r->bssid));
b1f625e0 5647 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 5648 os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 &&
5649 os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) !=
5650 0) {
5651 wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID"
5652 " in local state (auth=" MACSTR
5653 " assoc=" MACSTR ")",
5654 MAC2STR(drv->auth_bssid),
5655 MAC2STR(drv->bssid));
582507be 5656 clear_state_mismatch(drv, r->bssid);
e6b8efeb
JM		 5657 }
5658 }
5659
5660 if (r->flags & WPA_SCAN_ASSOCIATED) {
5661 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
5662 "indicate BSS status with " MACSTR
5663 " as associated",
5664 MAC2STR(r->bssid));
b1f625e0 5665 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 5666 !drv->associated) {
5667 wpa_printf(MSG_DEBUG, "nl80211: Local state "
5668 "(not associated) does not match "
5669 "with BSS state");
d72aad94 5670 clear_state_mismatch(drv, r->bssid);
b1f625e0 5671 } else if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 5672 os_memcmp(drv->bssid, r->bssid, ETH_ALEN) !=
5673 0) {
5674 wpa_printf(MSG_DEBUG, "nl80211: Local state "
5675 "(associated with " MACSTR ") does "
5676 "not match with BSS state",
d72aad94
JM		 5677 MAC2STR(drv->bssid));
5678 clear_state_mismatch(drv, r->bssid);
5679 clear_state_mismatch(drv, drv->bssid);
e6b8efeb
JM		 5680 }
5681 }
5682 }
5683}
5684
5685
7e5ba1b9 5686static struct wpa_scan_results *
8856462d 5687nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv)
3f5285e8 5688{
b3db1e1c 5689 struct nl_msg *msg;
3f5285e8 5690 struct wpa_scan_results *res;
b3db1e1c 5691 int ret;
3812464c 5692 struct nl80211_bss_info_arg arg;
3f5285e8
JM		 5693
5694 res = os_zalloc(sizeof(*res));
b3db1e1c 5695 if (res == NULL)
8e2c104f 5696 return NULL;
b3db1e1c
JM		 5697 msg = nlmsg_alloc();
5698 if (!msg)
5699 goto nla_put_failure;
3f5285e8 5700
9fb04070 5701 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
834ee56f 5702 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
fdc554b8 5703 goto nla_put_failure;
3f5285e8 5704
3812464c
JM		 5705 arg.drv = drv;
5706 arg.res = res;
5707 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
b3db1e1c
JM		 5708 msg = NULL;
5709 if (ret == 0) {
577db0ae
GM		 5710 wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu "
5711 "BSSes)", (unsigned long) res->num);
5712 nl80211_get_noise_for_scan_results(drv, res);
b3db1e1c 5713 return res;
3f5285e8 5714 }
b3db1e1c
JM		 5715 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
5716 "(%s)", ret, strerror(-ret));
5717nla_put_failure:
5718 nlmsg_free(msg);
5719 wpa_scan_results_free(res);
5720 return NULL;
3f5285e8
JM		 5721}
5722
5723
8856462d
JM		 5724/**
5725 * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results
5726 * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
5727 * Returns: Scan results on success, -1 on failure
5728 */
5729static struct wpa_scan_results *
5730wpa_driver_nl80211_get_scan_results(void *priv)
5731{
a2e40bb6
FF		 5732 struct i802_bss *bss = priv;
5733 struct wpa_driver_nl80211_data *drv = bss->drv;
8856462d
JM		 5734 struct wpa_scan_results *res;
5735
5736 res = nl80211_get_scan_results(drv);
5737 if (res)
5738 wpa_driver_nl80211_check_bss_status(drv, res);
5739 return res;
5740}
5741
5742
5743static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv)
5744{
5745 struct wpa_scan_results *res;
5746 size_t i;
5747
5748 res = nl80211_get_scan_results(drv);
5749 if (res == NULL) {
5750 wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results");
5751 return;
5752 }
5753
5754 wpa_printf(MSG_DEBUG, "nl80211: Scan result dump");
5755 for (i = 0; i < res->num; i++) {
5756 struct wpa_scan_res *r = res->res[i];
5757 wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s",
5758 (int) i, (int) res->num, MAC2STR(r->bssid),
5759 r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "",
5760 r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : "");
5761 }
5762
5763 wpa_scan_results_free(res);
5764}
5765
5766
de4ed4a8
JM		 5767static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
5768{
5769 switch (alg) {
5770 case WPA_ALG_WEP:
5771 if (key_len == 5)
5772 return WLAN_CIPHER_SUITE_WEP40;
5773 return WLAN_CIPHER_SUITE_WEP104;
5774 case WPA_ALG_TKIP:
5775 return WLAN_CIPHER_SUITE_TKIP;
5776 case WPA_ALG_CCMP:
5777 return WLAN_CIPHER_SUITE_CCMP;
5778 case WPA_ALG_GCMP:
5779 return WLAN_CIPHER_SUITE_GCMP;
5780 case WPA_ALG_CCMP_256:
5781 return WLAN_CIPHER_SUITE_CCMP_256;
5782 case WPA_ALG_GCMP_256:
5783 return WLAN_CIPHER_SUITE_GCMP_256;
5784 case WPA_ALG_IGTK:
5785 return WLAN_CIPHER_SUITE_AES_CMAC;
5786 case WPA_ALG_BIP_GMAC_128:
5787 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
5788 case WPA_ALG_BIP_GMAC_256:
5789 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
5790 case WPA_ALG_BIP_CMAC_256:
5791 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
5792 case WPA_ALG_SMS4:
5793 return WLAN_CIPHER_SUITE_SMS4;
5794 case WPA_ALG_KRK:
5795 return WLAN_CIPHER_SUITE_KRK;
5796 case WPA_ALG_NONE:
5797 case WPA_ALG_PMK:
5798 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
5799 alg);
5800 return 0;
5801 }
5802
5803 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
5804 alg);
5805 return 0;
5806}
5807
5808
5809static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
5810{
5811 switch (cipher) {
5812 case WPA_CIPHER_CCMP_256:
5813 return WLAN_CIPHER_SUITE_CCMP_256;
5814 case WPA_CIPHER_GCMP_256:
5815 return WLAN_CIPHER_SUITE_GCMP_256;
5816 case WPA_CIPHER_CCMP:
5817 return WLAN_CIPHER_SUITE_CCMP;
5818 case WPA_CIPHER_GCMP:
5819 return WLAN_CIPHER_SUITE_GCMP;
5820 case WPA_CIPHER_TKIP:
5821 return WLAN_CIPHER_SUITE_TKIP;
5822 case WPA_CIPHER_WEP104:
5823 return WLAN_CIPHER_SUITE_WEP104;
5824 case WPA_CIPHER_WEP40:
5825 return WLAN_CIPHER_SUITE_WEP40;
ae6f9272
JM		 5826 case WPA_CIPHER_GTK_NOT_USED:
5827 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
de4ed4a8
JM		 5828 }
5829
5830 return 0;
5831}
5832
5833
5834static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
5835 int max_suites)
5836{
5837 int num_suites = 0;
5838
5839 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
5840 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
5841 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
5842 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
5843 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
5844 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
5845 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
5846 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
5847 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
5848 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
5849 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
5850 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
5851 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
5852 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
5853
5854 return num_suites;
5855}
5856
5857
9ebce9c5 5858static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 5859 enum wpa_alg alg, const u8 *addr,
5860 int key_idx, int set_tx,
642187d6
JM		 5861 const u8 *seq, size_t seq_len,
5862 const u8 *key, size_t key_len)
3f5285e8 5863{
a2e40bb6 5864 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 5865 int ifindex;
3f5285e8 5866 struct nl_msg *msg;
1ad1cdc2 5867 int ret;
dc01de8a 5868 int tdls = 0;
3f5285e8 5869
e472e1b4
AS		 5870 /* Ignore for P2P Device */
5871 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
5872 return 0;
5873
5874 ifindex = if_nametoindex(ifname);
8393e1a0 5875 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 5876 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 5877 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 5878 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 5879#ifdef CONFIG_TDLS
dc01de8a 5880 if (key_idx == -1) {
8c66e185 5881 key_idx = 0;
dc01de8a
JM		 5882 tdls = 1;
5883 }
8c66e185 5884#endif /* CONFIG_TDLS */
3f5285e8
JM		 5885
5886 msg = nlmsg_alloc();
1ad1cdc2
JM		 5887 if (!msg)
5888 return -ENOMEM;
3f5285e8
JM		 5889
5890 if (alg == WPA_ALG_NONE) {
9fb04070 5891 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY);
3f5285e8 5892 } else {
9fb04070 5893 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY);
3f5285e8 5894 NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
e6ef73f1 5895 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
de4ed4a8
JM		 5896 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5897 wpa_alg_to_cipher_suite(alg, key_len));
3f5285e8
JM		 5898 }
5899
e6ef73f1 5900 if (seq && seq_len) {
1ad1cdc2 5901 NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq);
e6ef73f1
JM		 5902 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
5903 }
1ad1cdc2 5904
0382097e 5905 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8
JM		 5906 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
5907 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
89c38e32
JM		 5908
5909 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
5910 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
5911 NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE,
5912 NL80211_KEYTYPE_GROUP);
5913 }
60ea8187 5914 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 5915 struct nlattr *types;
5916
60ea8187 5917 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 5918
5919 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5920 if (!types)
5921 goto nla_put_failure;
8970bae8
JB		 5922 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
5923 nla_nest_end(msg, types);
3f5285e8
JM		 5924 }
5925 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
1ad1cdc2 5926 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
3f5285e8 5927
1ad1cdc2 5928 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
15664ad0 5929 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 5930 ret = 0;
5931 if (ret)
5932 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
5933 ret, strerror(-ret));
3f5285e8 5934
1ad1cdc2
JM		 5935 /*
5936 * If we failed or don't need to set the default TX key (below),
5937 * we're done here.
5938 */
dc01de8a 5939 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 5940 return ret;
b1f625e0 5941 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 5942 !is_broadcast_ether_addr(addr))
de12717a 5943 return ret;
3f5285e8 5944
1ad1cdc2
JM		 5945 msg = nlmsg_alloc();
5946 if (!msg)
5947 return -ENOMEM;
3f5285e8 5948
9fb04070 5949 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY);
1ad1cdc2
JM		 5950 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
5951 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
5952 if (alg == WPA_ALG_IGTK)
5953 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
5954 else
5955 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
60ea8187 5956 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 5957 struct nlattr *types;
5958
5959 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5960 if (!types)
5961 goto nla_put_failure;
8970bae8
JB		 5962 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
5963 nla_nest_end(msg, types);
60ea8187 5964 } else if (addr) {
8970bae8
JB		 5965 struct nlattr *types;
5966
5967 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5968 if (!types)
5969 goto nla_put_failure;
8970bae8
JB		 5970 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST);
5971 nla_nest_end(msg, types);
60ea8187 5972 }
3f5285e8 5973
1ad1cdc2
JM		 5974 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5975 if (ret == -ENOENT)
5976 ret = 0;
5977 if (ret)
5978 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
5979 "err=%d %s)", ret, strerror(-ret));
5980 return ret;
3f5285e8
JM		 5981
5982nla_put_failure:
5883168a 5983 nlmsg_free(msg);
6241fcb1 5984 return -ENOBUFS;
3f5285e8
JM		 5985}
5986
5987
71934751 5988static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 5989 int key_idx, int defkey,
5990 const u8 *seq, size_t seq_len,
5991 const u8 *key, size_t key_len)
5992{
5993 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
5994 if (!key_attr)
5995 return -1;
5996
5997 if (defkey && alg == WPA_ALG_IGTK)
5998 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT);
5999 else if (defkey)
6000 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
6001
6002 NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx);
6003
de4ed4a8
JM		 6004 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
6005 wpa_alg_to_cipher_suite(alg, key_len));
0194fedb
JB		 6006
6007 if (seq && seq_len)
6008 NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq);
6009
6010 NLA_PUT(msg, NL80211_KEY_DATA, key_len, key);
6011
6012 nla_nest_end(msg, key_attr);
6013
6014 return 0;
6015 nla_put_failure:
6016 return -1;
6017}
6018
c811d5bc 6019
cfaab580
ZY		 6020static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
6021 struct nl_msg *msg)
6022{
6023 int i, privacy = 0;
6024 struct nlattr *nl_keys, *nl_key;
6025
6026 for (i = 0; i < 4; i++) {
6027 if (!params->wep_key[i])
6028 continue;
6029 privacy = 1;
6030 break;
6031 }
ce04af5a
JM		 6032 if (params->wps == WPS_MODE_PRIVACY)
6033 privacy = 1;
6034 if (params->pairwise_suite &&
6035 params->pairwise_suite != WPA_CIPHER_NONE)
6036 privacy = 1;
6037
cfaab580
ZY		 6038 if (!privacy)
6039 return 0;
6040
6041 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
6042
6043 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
6044 if (!nl_keys)
6045 goto nla_put_failure;
6046
6047 for (i = 0; i < 4; i++) {
6048 if (!params->wep_key[i])
6049 continue;
6050
6051 nl_key = nla_nest_start(msg, i);
6052 if (!nl_key)
6053 goto nla_put_failure;
6054
6055 NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i],
6056 params->wep_key[i]);
6057 if (params->wep_key_len[i] == 5)
6058 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
6059 WLAN_CIPHER_SUITE_WEP40);
6060 else
6061 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
6062 WLAN_CIPHER_SUITE_WEP104);
6063
6064 NLA_PUT_U8(msg, NL80211_KEY_IDX, i);
6065
6066 if (i == params->wep_tx_keyidx)
6067 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
6068
6069 nla_nest_end(msg, nl_key);
6070 }
6071 nla_nest_end(msg, nl_keys);
6072
6073 return 0;
6074
6075nla_put_failure:
6076 return -ENOBUFS;
6077}
6078
6079
c2a04078 6080static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 6081 const u8 *addr, int cmd, u16 reason_code,
6082 int local_state_change)
c2a04078
JM		 6083{
6084 int ret = -1;
6085 struct nl_msg *msg;
6086
6087 msg = nlmsg_alloc();
6088 if (!msg)
6089 return -1;
6090
9fb04070 6091 nl80211_cmd(drv, msg, 0, cmd);
c2a04078
JM		 6092
6093 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6094 NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code);
817762d9
MI		 6095 if (addr)
6096 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
77339912
JM		 6097 if (local_state_change)
6098 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
c2a04078
JM		 6099
6100 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6101 msg = NULL;
6102 if (ret) {
3b7ea880
BG		 6103 wpa_dbg(drv->ctx, MSG_DEBUG,
6104 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
6105 reason_code, ret, strerror(-ret));
c2a04078
JM		 6106 goto nla_put_failure;
6107 }
6108 ret = 0;
6109
6110nla_put_failure:
6111 nlmsg_free(msg);
6112 return ret;
6113}
3f5285e8
JM		 6114
6115
cfaab580 6116static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 6117 int reason_code)
cfaab580 6118{
3f53c006
JJ		 6119 int ret;
6120
817762d9 6121 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 6122 nl80211_mark_disconnected(drv);
817762d9 6123 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 6124 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
6125 reason_code, 0);
6126 /*
6127 * For locally generated disconnect, supplicant already generates a
6128 * DEAUTH event, so ignore the event from NL80211.
6129 */
6130 drv->ignore_next_local_disconnect = ret == 0;
6131
6132 return ret;
cfaab580
ZY		 6133}
6134
6135
9ebce9c5
JM		 6136static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
6137 const u8 *addr, int reason_code)
3f5285e8 6138{
a2e40bb6 6139 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 6140 int ret;
9392c9be
AS		 6141
6142 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
6143 nl80211_mark_disconnected(drv);
6144 return nl80211_leave_ibss(drv);
6145 }
cfaab580 6146 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 6147 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 6148 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
6149 __func__, MAC2STR(addr), reason_code);
add9b7a4 6150 nl80211_mark_disconnected(drv);
d6a36f39
JM		 6151 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
6152 reason_code, 0);
6153 /*
6154 * For locally generated deauthenticate, supplicant already generates a
6155 * DEAUTH event, so ignore the event from NL80211.
6156 */
6157 drv->ignore_next_local_deauth = ret == 0;
6158 return ret;
3f5285e8
JM		 6159}
6160
6161
536fd62d
JM		 6162static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
6163 struct wpa_driver_auth_params *params)
6164{
6165 int i;
6166
6167 drv->auth_freq = params->freq;
6168 drv->auth_alg = params->auth_alg;
6169 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
6170 drv->auth_local_state_change = params->local_state_change;
6171 drv->auth_p2p = params->p2p;
6172
6173 if (params->bssid)
6174 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
6175 else
6176 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
6177
6178 if (params->ssid) {
6179 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
6180 drv->auth_ssid_len = params->ssid_len;
6181 } else
6182 drv->auth_ssid_len = 0;
6183
6184
6185 os_free(drv->auth_ie);
6186 drv->auth_ie = NULL;
6187 drv->auth_ie_len = 0;
6188 if (params->ie) {
6189 drv->auth_ie = os_malloc(params->ie_len);
6190 if (drv->auth_ie) {
6191 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
6192 drv->auth_ie_len = params->ie_len;
6193 }
6194 }
6195
6196 for (i = 0; i < 4; i++) {
6197 if (params->wep_key[i] && params->wep_key_len[i] &&
6198 params->wep_key_len[i] <= 16) {
6199 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
6200 params->wep_key_len[i]);
6201 drv->auth_wep_key_len[i] = params->wep_key_len[i];
6202 } else
6203 drv->auth_wep_key_len[i] = 0;
6204 }
6205}
6206
6207
c2a04078 6208static int wpa_driver_nl80211_authenticate(
9ebce9c5 6209 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 6210{
a2e40bb6 6211 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 6212 int ret = -1, i;
c2a04078
JM		 6213 struct nl_msg *msg;
6214 enum nl80211_auth_type type;
2f4f73b1 6215 enum nl80211_iftype nlmode;
6d6f4bb8 6216 int count = 0;
536fd62d
JM		 6217 int is_retry;
6218
6219 is_retry = drv->retry_auth;
6220 drv->retry_auth = 0;
e8d70a73 6221 drv->ignore_deauth_event = 0;
c2a04078 6222
add9b7a4 6223 nl80211_mark_disconnected(drv);
e6b8efeb 6224 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 6225 if (params->bssid)
6226 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
6227 else
6228 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 6229 /* FIX: IBSS mode */
2f4f73b1
EP		 6230 nlmode = params->p2p ?
6231 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
6232 if (drv->nlmode != nlmode &&
9ebce9c5 6233 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 6234 return -1;
6235
6d6f4bb8 6236retry:
c2a04078
JM		 6237 msg = nlmsg_alloc();
6238 if (!msg)
6239 return -1;
6240
6241 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
6242 drv->ifindex);
a0b2f99b 6243
9fb04070 6244 nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE);
0194fedb 6245
a0b2f99b
JM		 6246 for (i = 0; i < 4; i++) {
6247 if (!params->wep_key[i])
6248 continue;
9ebce9c5 6249 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 6250 NULL, i,
a0b2f99b
JM		 6251 i == params->wep_tx_keyidx, NULL, 0,
6252 params->wep_key[i],
6253 params->wep_key_len[i]);
0194fedb
JB		 6254 if (params->wep_tx_keyidx != i)
6255 continue;
6256 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
6257 params->wep_key[i], params->wep_key_len[i])) {
6258 nlmsg_free(msg);
6259 return -1;
6260 }
a0b2f99b
JM		 6261 }
6262
c2a04078
JM		 6263 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6264 if (params->bssid) {
6265 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
6266 MAC2STR(params->bssid));
6267 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
6268 }
6269 if (params->freq) {
6270 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
6271 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
6272 }
6273 if (params->ssid) {
6274 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
6275 params->ssid, params->ssid_len);
6276 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
6277 params->ssid);
6278 }
6279 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
6280 if (params->ie)
6281 NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie);
569fed90
JM		 6282 if (params->sae_data) {
6283 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
6284 params->sae_data_len);
6285 NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
6286 params->sae_data);
6287 }
abd9fafa 6288 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 6289 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 6290 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 6291 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 6292 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 6293 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 6294 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 6295 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 6296 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
6297 type = NL80211_AUTHTYPE_SAE;
c2a04078
JM		 6298 else
6299 goto nla_put_failure;
6300 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
6301 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
77339912
JM		 6302 if (params->local_state_change) {
6303 wpa_printf(MSG_DEBUG, " * Local state change only");
6304 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
6305 }
c2a04078
JM		 6306
6307 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6308 msg = NULL;
6309 if (ret) {
3b7ea880
BG		 6310 wpa_dbg(drv->ctx, MSG_DEBUG,
6311 "nl80211: MLME command failed (auth): ret=%d (%s)",
6312 ret, strerror(-ret));
6d6f4bb8 6313 count++;
77339912
JM		 6314 if (ret == -EALREADY && count == 1 && params->bssid &&
6315 !params->local_state_change) {
6d6f4bb8
JM		 6316 /*
6317 * mac80211 does not currently accept new
6318 * authentication if we are already authenticated. As a
6319 * workaround, force deauthentication and try again.
6320 */
6321 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
6322 "after forced deauthentication");
e8d70a73 6323 drv->ignore_deauth_event = 1;
6d6f4bb8 6324 wpa_driver_nl80211_deauthenticate(
5205c4f9 6325 bss, params->bssid,
6d6f4bb8
JM		 6326 WLAN_REASON_PREV_AUTH_NOT_VALID);
6327 nlmsg_free(msg);
6328 goto retry;
6329 }
536fd62d
JM		 6330
6331 if (ret == -ENOENT && params->freq && !is_retry) {
6332 /*
6333 * cfg80211 has likely expired the BSS entry even
6334 * though it was previously available in our internal
6335 * BSS table. To recover quickly, start a single
6336 * channel scan on the specified channel.
6337 */
6338 struct wpa_driver_scan_params scan;
6339 int freqs[2];
6340
6341 os_memset(&scan, 0, sizeof(scan));
6342 scan.num_ssids = 1;
6343 if (params->ssid) {
6344 scan.ssids[0].ssid = params->ssid;
6345 scan.ssids[0].ssid_len = params->ssid_len;
6346 }
6347 freqs[0] = params->freq;
6348 freqs[1] = 0;
6349 scan.freqs = freqs;
6350 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
6351 "channel scan to refresh cfg80211 BSS "
6352 "entry");
6353 ret = wpa_driver_nl80211_scan(bss, &scan);
6354 if (ret == 0) {
6355 nl80211_copy_auth_params(drv, params);
6356 drv->scan_for_auth = 1;
6357 }
8c3ba078
JM		 6358 } else if (is_retry) {
6359 /*
6360 * Need to indicate this with an event since the return
6361 * value from the retry is not delivered to core code.
6362 */
6363 union wpa_event_data event;
6364 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
6365 "failed");
6366 os_memset(&event, 0, sizeof(event));
6367 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
6368 ETH_ALEN);
6369 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
6370 &event);
536fd62d
JM		 6371 }
6372
c2a04078
JM		 6373 goto nla_put_failure;
6374 }
6375 ret = 0;
6376 wpa_printf(MSG_DEBUG, "nl80211: Authentication request send "
6377 "successfully");
6378
6379nla_put_failure:
6380 nlmsg_free(msg);
6381 return ret;
6382}
6383
6384
536fd62d
JM		 6385static int wpa_driver_nl80211_authenticate_retry(
6386 struct wpa_driver_nl80211_data *drv)
6387{
6388 struct wpa_driver_auth_params params;
834ee56f 6389 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 6390 int i;
6391
6392 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
6393
6394 os_memset(&params, 0, sizeof(params));
6395 params.freq = drv->auth_freq;
6396 params.auth_alg = drv->auth_alg;
6397 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
6398 params.local_state_change = drv->auth_local_state_change;
6399 params.p2p = drv->auth_p2p;
6400
6401 if (!is_zero_ether_addr(drv->auth_bssid_))
6402 params.bssid = drv->auth_bssid_;
6403
6404 if (drv->auth_ssid_len) {
6405 params.ssid = drv->auth_ssid;
6406 params.ssid_len = drv->auth_ssid_len;
6407 }
6408
6409 params.ie = drv->auth_ie;
6410 params.ie_len = drv->auth_ie_len;
6411
6412 for (i = 0; i < 4; i++) {
6413 if (drv->auth_wep_key_len[i]) {
6414 params.wep_key[i] = drv->auth_wep_key[i];
6415 params.wep_key_len[i] = drv->auth_wep_key_len[i];
6416 }
6417 }
6418
6419 drv->retry_auth = 1;
6420 return wpa_driver_nl80211_authenticate(bss, &params);
6421}
6422
6423
282d5590
JM		 6424struct phy_info_arg {
6425 u16 *num_modes;
6426 struct hostapd_hw_modes *modes;
43245552 6427 int last_mode, last_chan_idx;
282d5590
JM		 6428};
6429
e62a1d43
JM		 6430static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
6431 struct nlattr *ampdu_factor,
6432 struct nlattr *ampdu_density,
6433 struct nlattr *mcs_set)
6434{
6435 if (capa)
6436 mode->ht_capab = nla_get_u16(capa);
6437
6438 if (ampdu_factor)
6439 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
6440
6441 if (ampdu_density)
6442 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
6443
6444 if (mcs_set && nla_len(mcs_set) >= 16) {
6445 u8 *mcs;
6446 mcs = nla_data(mcs_set);
6447 os_memcpy(mode->mcs_set, mcs, 16);
6448 }
6449}
6450
6451
6452static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
6453 struct nlattr *capa,
6454 struct nlattr *mcs_set)
6455{
6456 if (capa)
6457 mode->vht_capab = nla_get_u32(capa);
6458
6459 if (mcs_set && nla_len(mcs_set) >= 8) {
6460 u8 *mcs;
6461 mcs = nla_data(mcs_set);
6462 os_memcpy(mode->vht_mcs_set, mcs, 8);
6463 }
6464}
6465
6466
214a77b0
JM		 6467static void phy_info_freq(struct hostapd_hw_modes *mode,
6468 struct hostapd_channel_data *chan,
6469 struct nlattr *tb_freq[])
6470{
e864c0ae 6471 u8 channel;
214a77b0
JM		 6472 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
6473 chan->flag = 0;
bbbacbf2 6474 chan->dfs_cac_ms = 0;
e864c0ae
JM		 6475 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
6476 chan->chan = channel;
214a77b0
JM		 6477
6478 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
6479 chan->flag |= HOSTAPD_CHAN_DISABLED;
9fcd300d
JM		 6480 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
6481 chan->flag |= HOSTAPD_CHAN_PASSIVE_SCAN | HOSTAPD_CHAN_NO_IBSS;
214a77b0
JM		 6482 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
6483 chan->flag |= HOSTAPD_CHAN_RADAR;
6484
fc96522e
SW		 6485 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
6486 enum nl80211_dfs_state state =
6487 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
6488
6489 switch (state) {
6490 case NL80211_DFS_USABLE:
6491 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
6492 break;
6493 case NL80211_DFS_AVAILABLE:
6494 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
6495 break;
6496 case NL80211_DFS_UNAVAILABLE:
6497 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
6498 break;
6499 }
6500 }
bbbacbf2
JD		 6501
6502 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
6503 chan->dfs_cac_ms = nla_get_u32(
6504 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
6505 }
214a77b0
JM		 6506}
6507
6508
e62a1d43
JM		 6509static int phy_info_freqs(struct phy_info_arg *phy_info,
6510 struct hostapd_hw_modes *mode, struct nlattr *tb)
282d5590 6511{
282d5590
JM		 6512 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
6513 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
6514 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
9fcd300d 6515 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
282d5590
JM		 6516 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
6517 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
fc96522e 6518 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
282d5590 6519 };
e62a1d43
JM		 6520 int new_channels = 0;
6521 struct hostapd_channel_data *channel;
6522 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
6523 struct nlattr *nl_freq;
6524 int rem_freq, idx;
6525
6526 if (tb == NULL)
6527 return NL_OK;
6528
6529 nla_for_each_nested(nl_freq, tb, rem_freq) {
6530 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
6531 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
6532 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
6533 continue;
6534 new_channels++;
6535 }
6536
6537 channel = os_realloc_array(mode->channels,
6538 mode->num_channels + new_channels,
6539 sizeof(struct hostapd_channel_data));
6540 if (!channel)
6541 return NL_SKIP;
6542
6543 mode->channels = channel;
6544 mode->num_channels += new_channels;
6545
6546 idx = phy_info->last_chan_idx;
6547
6548 nla_for_each_nested(nl_freq, tb, rem_freq) {
6549 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
6550 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
6551 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
6552 continue;
214a77b0 6553 phy_info_freq(mode, &mode->channels[idx], tb_freq);
e62a1d43
JM		 6554 idx++;
6555 }
6556 phy_info->last_chan_idx = idx;
6557
6558 return NL_OK;
6559}
6560
6561
6562static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
6563{
282d5590
JM		 6564 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
6565 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
3cfcad1b
JM		 6566 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
6567 { .type = NLA_FLAG },
282d5590 6568 };
e62a1d43 6569 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
282d5590 6570 struct nlattr *nl_rate;
e62a1d43
JM		 6571 int rem_rate, idx;
6572
6573 if (tb == NULL)
6574 return NL_OK;
6575
6576 nla_for_each_nested(nl_rate, tb, rem_rate) {
6577 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
6578 nla_data(nl_rate), nla_len(nl_rate),
6579 rate_policy);
6580 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
6581 continue;
6582 mode->num_rates++;
6583 }
6584
6585 mode->rates = os_calloc(mode->num_rates, sizeof(int));
6586 if (!mode->rates)
6587 return NL_SKIP;
6588
6589 idx = 0;
6590
6591 nla_for_each_nested(nl_rate, tb, rem_rate) {
6592 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
6593 nla_data(nl_rate), nla_len(nl_rate),
6594 rate_policy);
6595 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
6596 continue;
6597 mode->rates[idx] = nla_get_u32(
6598 tb_rate[NL80211_BITRATE_ATTR_RATE]);
e62a1d43
JM		 6599 idx++;
6600 }
6601
6602 return NL_OK;
6603}
6604
6605
6606static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
6607{
6608 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
282d5590 6609 struct hostapd_hw_modes *mode;
e62a1d43 6610 int ret;
282d5590 6611
3cfcad1b
JM		 6612 if (phy_info->last_mode != nl_band->nla_type) {
6613 mode = os_realloc_array(phy_info->modes,
6614 *phy_info->num_modes + 1,
6615 sizeof(*mode));
6616 if (!mode)
6617 return NL_SKIP;
6618 phy_info->modes = mode;
6619
6620 mode = &phy_info->modes[*(phy_info->num_modes)];
6621 os_memset(mode, 0, sizeof(*mode));
6622 mode->mode = NUM_HOSTAPD_MODES;
c8ebeda4
MK		 6623 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
6624 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
6625
6626 /*
6627 * Unsupported VHT MCS stream is defined as value 3, so the VHT
6628 * MCS RX/TX map must be initialized with 0xffff to mark all 8
6629 * possible streams as unsupported. This will be overridden if
6630 * driver advertises VHT support.
6631 */
6632 mode->vht_mcs_set[0] = 0xff;
6633 mode->vht_mcs_set[1] = 0xff;
6634 mode->vht_mcs_set[4] = 0xff;
6635 mode->vht_mcs_set[5] = 0xff;
6636
3cfcad1b
JM		 6637 *(phy_info->num_modes) += 1;
6638 phy_info->last_mode = nl_band->nla_type;
6639 phy_info->last_chan_idx = 0;
6640 } else
6641 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
282d5590 6642
3cfcad1b
JM		 6643 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
6644 nla_len(nl_band), NULL);
282d5590 6645
e62a1d43
JM		 6646 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
6647 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
6648 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
6649 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
6650 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
6651 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
6652 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
6653 if (ret != NL_OK)
6654 return ret;
6655 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
6656 if (ret != NL_OK)
6657 return ret;
282d5590 6658
3cfcad1b
JM		 6659 return NL_OK;
6660}
6661
6662
6663static int phy_info_handler(struct nl_msg *msg, void *arg)
6664{
6665 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
6666 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6667 struct phy_info_arg *phy_info = arg;
6668 struct nlattr *nl_band;
6669 int rem_band;
6670
6671 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6672 genlmsg_attrlen(gnlh, 0), NULL);
6673
6674 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
6675 return NL_SKIP;
6676
6677 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
6678 {
6679 int res = phy_info_band(phy_info, nl_band);
6680 if (res != NL_OK)
6681 return res;
6682 }
6683
282d5590
JM		 6684 return NL_SKIP;
6685}
6686
3cfcad1b 6687
282d5590 6688static struct hostapd_hw_modes *
c30a4ab0
JB		 6689wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
6690 u16 *num_modes)
282d5590
JM		 6691{
6692 u16 m;
6693 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
6694 int i, mode11g_idx = -1;
6695
c30a4ab0
JB		 6696 /* heuristic to set up modes */
6697 for (m = 0; m < *num_modes; m++) {
6698 if (!modes[m].num_channels)
6699 continue;
6700 if (modes[m].channels[0].freq < 4000) {
6701 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
6702 for (i = 0; i < modes[m].num_rates; i++) {
6703 if (modes[m].rates[i] > 200) {
6704 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
6705 break;
6706 }
6707 }
6708 } else if (modes[m].channels[0].freq > 50000)
6709 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
6710 else
6711 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
6712 }
6713
282d5590
JM		 6714 /* If only 802.11g mode is included, use it to construct matching
6715 * 802.11b mode data. */
6716
6717 for (m = 0; m < *num_modes; m++) {
6718 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
6719 return modes; /* 802.11b already included */
6720 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
6721 mode11g_idx = m;
6722 }
6723
6724 if (mode11g_idx < 0)
6725 return modes; /* 2.4 GHz band not supported at all */
6726
067ffa26 6727 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
282d5590
JM		 6728 if (nmodes == NULL)
6729 return modes; /* Could not add 802.11b mode */
6730
6731 mode = &nmodes[*num_modes];
6732 os_memset(mode, 0, sizeof(*mode));
6733 (*num_modes)++;
6734 modes = nmodes;
6735
6736 mode->mode = HOSTAPD_MODE_IEEE80211B;
6737
6738 mode11g = &modes[mode11g_idx];
6739 mode->num_channels = mode11g->num_channels;
6740 mode->channels = os_malloc(mode11g->num_channels *
6741 sizeof(struct hostapd_channel_data));
6742 if (mode->channels == NULL) {
6743 (*num_modes)--;
6744 return modes; /* Could not add 802.11b mode */
6745 }
6746 os_memcpy(mode->channels, mode11g->channels,
6747 mode11g->num_channels * sizeof(struct hostapd_channel_data));
6748
6749 mode->num_rates = 0;
fb7842aa 6750 mode->rates = os_malloc(4 * sizeof(int));
282d5590
JM		 6751 if (mode->rates == NULL) {
6752 os_free(mode->channels);
6753 (*num_modes)--;
6754 return modes; /* Could not add 802.11b mode */
6755 }
6756
6757 for (i = 0; i < mode11g->num_rates; i++) {
fb7842aa
JM		 6758 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
6759 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
282d5590
JM		 6760 continue;
6761 mode->rates[mode->num_rates] = mode11g->rates[i];
6762 mode->num_rates++;
6763 if (mode->num_rates == 4)
6764 break;
6765 }
6766
6767 if (mode->num_rates == 0) {
6768 os_free(mode->channels);
6769 os_free(mode->rates);
6770 (*num_modes)--;
6771 return modes; /* No 802.11b rates */
6772 }
6773
6774 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
6775 "information");
6776
6777 return modes;
6778}
6779
6780
d8e66e80
JM		 6781static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
6782 int end)
6783{
6784 int c;
6785
6786 for (c = 0; c < mode->num_channels; c++) {
6787 struct hostapd_channel_data *chan = &mode->channels[c];
6788 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
6789 chan->flag |= HOSTAPD_CHAN_HT40;
6790 }
6791}
6792
6793
6794static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
6795 int end)
6796{
6797 int c;
6798
6799 for (c = 0; c < mode->num_channels; c++) {
6800 struct hostapd_channel_data *chan = &mode->channels[c];
6801 if (!(chan->flag & HOSTAPD_CHAN_HT40))
6802 continue;
6803 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
6804 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
6805 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
6806 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
6807 }
6808}
6809
6810
35f3d3ed 6811static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
6651f1f9
HS		 6812 struct phy_info_arg *results)
6813{
6651f1f9
HS		 6814 u16 m;
6815
6651f1f9
HS		 6816 for (m = 0; m < *results->num_modes; m++) {
6817 int c;
6818 struct hostapd_hw_modes *mode = &results->modes[m];
6819
6820 for (c = 0; c < mode->num_channels; c++) {
6821 struct hostapd_channel_data *chan = &mode->channels[c];
6822 if ((u32) chan->freq - 10 >= start &&
6823 (u32) chan->freq + 10 <= end)
6824 chan->max_tx_power = max_eirp;
6825 }
6826 }
6827}
6828
6829
35f3d3ed 6830static void nl80211_reg_rule_ht40(u32 start, u32 end,
d8e66e80
JM		 6831 struct phy_info_arg *results)
6832{
d8e66e80
JM		 6833 u16 m;
6834
d8e66e80
JM		 6835 for (m = 0; m < *results->num_modes; m++) {
6836 if (!(results->modes[m].ht_capab &
6837 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
6838 continue;
6839 nl80211_set_ht40_mode(&results->modes[m], start, end);
6840 }
6841}
6842
6843
6844static void nl80211_reg_rule_sec(struct nlattr *tb[],
6845 struct phy_info_arg *results)
6846{
6847 u32 start, end, max_bw;
6848 u16 m;
6849
6850 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6851 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
6852 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
6853 return;
6854
6855 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6856 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6857 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
6858
6859 if (max_bw < 20)
6860 return;
6861
6862 for (m = 0; m < *results->num_modes; m++) {
6863 if (!(results->modes[m].ht_capab &
6864 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
6865 continue;
6866 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
6867 }
6868}
6869
6870
53cfad46
EP		 6871static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
6872 int end)
6873{
6874 int c;
6875
6876 for (c = 0; c < mode->num_channels; c++) {
6877 struct hostapd_channel_data *chan = &mode->channels[c];
6878 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
6879 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
6880
6881 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
6882 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
6883
6884 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
6885 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
6886
6887 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
6888 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
6889 }
6890}
6891
6892
6893static void nl80211_reg_rule_vht(struct nlattr *tb[],
6894 struct phy_info_arg *results)
6895{
6896 u32 start, end, max_bw;
6897 u16 m;
6898
6899 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6900 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
6901 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
6902 return;
6903
6904 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6905 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6906 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
6907
6908 if (max_bw < 80)
6909 return;
6910
6911 for (m = 0; m < *results->num_modes; m++) {
6912 if (!(results->modes[m].ht_capab &
6913 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
6914 continue;
6915 /* TODO: use a real VHT support indication */
6916 if (!results->modes[m].vht_capab)
6917 continue;
6918
6919 nl80211_set_vht_mode(&results->modes[m], start, end);
6920 }
6921}
6922
6923
1412beee
JD		 6924static const char * dfs_domain_name(enum nl80211_dfs_regions region)
6925{
6926 switch (region) {
6927 case NL80211_DFS_UNSET:
6928 return "DFS-UNSET";
6929 case NL80211_DFS_FCC:
6930 return "DFS-FCC";
6931 case NL80211_DFS_ETSI:
6932 return "DFS-ETSI";
6933 case NL80211_DFS_JP:
6934 return "DFS-JP";
6935 default:
6936 return "DFS-invalid";
6937 }
6938}
6939
6940
d8e66e80
JM		 6941static int nl80211_get_reg(struct nl_msg *msg, void *arg)
6942{
6943 struct phy_info_arg *results = arg;
6944 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
6945 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6946 struct nlattr *nl_rule;
6947 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
6948 int rem_rule;
6949 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
6950 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6951 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6952 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6953 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6954 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6955 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6956 };
6957
6958 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6959 genlmsg_attrlen(gnlh, 0), NULL);
6960 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
6961 !tb_msg[NL80211_ATTR_REG_RULES]) {
6962 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
6963 "available");
6964 return NL_SKIP;
6965 }
6966
1412beee
JD		 6967 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
6968 enum nl80211_dfs_regions dfs_domain;
6969 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
6970 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
6971 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
6972 dfs_domain_name(dfs_domain));
6973 } else {
6974 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
6975 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
6976 }
d8e66e80
JM		 6977
6978 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
6979 {
bfb79dde 6980 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
d8e66e80
JM		 6981 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
6982 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
35f3d3ed
JM		 6983 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6984 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
6985 continue;
6986 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6987 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6988 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
6989 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
6990 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
6991 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
bfb79dde
JM		 6992 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
6993 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
6994
6995 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
6996 start, end, max_bw, max_eirp,
6997 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
6998 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
6999 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
7000 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
7001 "",
7002 flags & NL80211_RRF_DFS ? " (DFS)" : "",
7003 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
7004 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
7005 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
35f3d3ed
JM		 7006 if (max_bw >= 40)
7007 nl80211_reg_rule_ht40(start, end, results);
7008 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7009 nl80211_reg_rule_max_eirp(start, end, max_eirp,
7010 results);
d8e66e80
JM		 7011 }
7012
7013 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
7014 {
7015 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
7016 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
7017 nl80211_reg_rule_sec(tb_rule, results);
7018 }
7019
53cfad46
EP		 7020 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
7021 {
7022 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
7023 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
7024 nl80211_reg_rule_vht(tb_rule, results);
7025 }
7026
d8e66e80
JM		 7027 return NL_SKIP;
7028}
7029
7030
53cfad46
EP		 7031static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
7032 struct phy_info_arg *results)
d8e66e80
JM		 7033{
7034 struct nl_msg *msg;
7035
7036 msg = nlmsg_alloc();
7037 if (!msg)
7038 return -ENOMEM;
7039
9fb04070 7040 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
d8e66e80
JM		 7041 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
7042}
7043
7044
282d5590
JM		 7045static struct hostapd_hw_modes *
7046wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
7047{
43245552 7048 u32 feat;
a2e40bb6
FF		 7049 struct i802_bss *bss = priv;
7050 struct wpa_driver_nl80211_data *drv = bss->drv;
282d5590
JM		 7051 struct nl_msg *msg;
7052 struct phy_info_arg result = {
7053 .num_modes = num_modes,
7054 .modes = NULL,
43245552 7055 .last_mode = -1,
282d5590
JM		 7056 };
7057
7058 *num_modes = 0;
7059 *flags = 0;
7060
7061 msg = nlmsg_alloc();
7062 if (!msg)
7063 return NULL;
7064
43245552
DJ		 7065 feat = get_nl80211_protocol_features(drv);
7066 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
7067 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
7068 else
7069 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
282d5590 7070
43245552 7071 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
be24917d
IP		 7072 if (nl80211_set_iface_id(msg, bss) < 0)
7073 goto nla_put_failure;
282d5590 7074
d8e66e80 7075 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
53cfad46 7076 nl80211_set_regulatory_flags(drv, &result);
c30a4ab0
JB		 7077 return wpa_driver_nl80211_postprocess_modes(result.modes,
7078 num_modes);
d8e66e80 7079 }
5883168a 7080 msg = NULL;
282d5590 7081 nla_put_failure:
5883168a 7082 nlmsg_free(msg);
282d5590
JM		 7083 return NULL;
7084}
7085
7086
a11241fa
JB		 7087static int wpa_driver_nl80211_send_mntr(struct wpa_driver_nl80211_data *drv,
7088 const void *data, size_t len,
7089 int encrypt, int noack)
2c2010ac
JM		 7090{
7091 __u8 rtap_hdr[] = {
7092 0x00, 0x00, /* radiotap version */
7093 0x0e, 0x00, /* radiotap length */
7094 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */
7095 IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */
7096 0x00, /* padding */
7097 0x00, 0x00, /* RX and TX flags to indicate that */
7098 0x00, 0x00, /* this is the injected frame directly */
7099 };
7100 struct iovec iov[2] = {
7101 {
7102 .iov_base = &rtap_hdr,
7103 .iov_len = sizeof(rtap_hdr),
7104 },
7105 {
7106 .iov_base = (void *) data,
7107 .iov_len = len,
7108 }
7109 };
7110 struct msghdr msg = {
7111 .msg_name = NULL,
7112 .msg_namelen = 0,
7113 .msg_iov = iov,
7114 .msg_iovlen = 2,
7115 .msg_control = NULL,
7116 .msg_controllen = 0,
7117 .msg_flags = 0,
7118 };
ebbec8b2 7119 int res;
fab25336 7120 u16 txflags = 0;
2c2010ac
JM		 7121
7122 if (encrypt)
7123 rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP;
7124
866af8b6
JM		 7125 if (drv->monitor_sock < 0) {
7126 wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available "
7127 "for %s", __func__);
7128 return -1;
7129 }
7130
fab25336
HS		 7131 if (noack)
7132 txflags |= IEEE80211_RADIOTAP_F_TX_NOACK;
9d7a63dc 7133 WPA_PUT_LE16(&rtap_hdr[12], txflags);
fab25336 7134
ebbec8b2
JM		 7135 res = sendmsg(drv->monitor_sock, &msg, 0);
7136 if (res < 0) {
7137 wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno));
7138 return -1;
7139 }
7140 return 0;
2c2010ac
JM		 7141}
7142
7143
a11241fa
JB		 7144static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
7145 const void *data, size_t len,
55231068
JM		 7146 int encrypt, int noack,
7147 unsigned int freq, int no_cck,
7148 int offchanok, unsigned int wait_time)
a11241fa
JB		 7149{
7150 struct wpa_driver_nl80211_data *drv = bss->drv;
7151 u64 cookie;
41cc50d1 7152 int res;
a11241fa 7153
c7caac56
JM		 7154 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
7155 freq = nl80211_get_assoc_freq(drv);
7156 wpa_printf(MSG_DEBUG,
7157 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
7158 freq);
7159 }
af964484
JM		 7160 if (freq == 0) {
7161 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
7162 bss->freq);
55231068 7163 freq = bss->freq;
af964484 7164 }
55231068 7165
739faee2
JM		 7166 if (drv->use_monitor) {
7167 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_mntr",
7168 freq, bss->freq);
a11241fa
JB		 7169 return wpa_driver_nl80211_send_mntr(drv, data, len,
7170 encrypt, noack);
739faee2 7171 }
a11241fa 7172
739faee2 7173 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1
JM		 7174 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
7175 &cookie, no_cck, noack, offchanok);
7176 if (res == 0 && !noack) {
7177 const struct ieee80211_mgmt *mgmt;
7178 u16 fc;
7179
7180 mgmt = (const struct ieee80211_mgmt *) data;
7181 fc = le_to_host16(mgmt->frame_control);
7182 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
7183 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
7184 wpa_printf(MSG_MSGDUMP,
7185 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
7186 (long long unsigned int)
7187 drv->send_action_cookie,
7188 (long long unsigned int) cookie);
7189 drv->send_action_cookie = cookie;
7190 }
7191 }
7192
7193 return res;
a11241fa
JB		 7194}
7195
7196
9ebce9c5
JM		 7197static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
7198 size_t data_len, int noack,
7199 unsigned int freq, int no_cck,
7200 int offchanok,
7201 unsigned int wait_time)
2c2010ac 7202{
a2e40bb6 7203 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 7204 struct ieee80211_mgmt *mgmt;
7a47d567 7205 int encrypt = 1;
2c2010ac
JM		 7206 u16 fc;
7207
7208 mgmt = (struct ieee80211_mgmt *) data;
7209 fc = le_to_host16(mgmt->frame_control);
f95a4524
PF		 7210 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
7211 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
7212 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
7213 fc, fc2str(fc), drv->nlmode);
2c2010ac 7214
8e12685c
AS		 7215 if ((is_sta_interface(drv->nlmode) ||
7216 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 7217 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
7218 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
7219 /*
7220 * The use of last_mgmt_freq is a bit of a hack,
7221 * but it works due to the single-threaded nature
7222 * of wpa_supplicant.
7223 */
af964484
JM		 7224 if (freq == 0) {
7225 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
7226 drv->last_mgmt_freq);
55231068 7227 freq = drv->last_mgmt_freq;
af964484 7228 }
55231068 7229 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7
JB		 7230 data, data_len, NULL, 1, noack,
7231 1);
5582a5d1
JB		 7232 }
7233
61cbe2ff 7234 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 7235 if (freq == 0) {
7236 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
7237 bss->freq);
55231068 7238 freq = bss->freq;
af964484 7239 }
b5671498
JM		 7240 return nl80211_send_frame_cmd(bss, freq,
7241 (int) freq == bss->freq ? 0 :
7242 wait_time,
d8d6b32e
DG		 7243 data, data_len,
7244 &drv->send_action_cookie,
55231068 7245 no_cck, noack, offchanok);
86957e62
JM		 7246 }
7247
2c2010ac
JM		 7248 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
7249 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
7250 /*
7251 * Only one of the authentication frame types is encrypted.
7252 * In order for static WEP encryption to work properly (i.e.,
7253 * to not encrypt the frame), we need to tell mac80211 about
7254 * the frames that must not be encrypted.
7255 */
7256 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
7257 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 7258 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
7259 encrypt = 0;
2c2010ac
JM		 7260 }
7261
739faee2 7262 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 7263 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068
JM		 7264 noack, freq, no_cck, offchanok,
7265 wait_time);
7266}
7267
7268
31357268 7269static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47
JM		 7270 int slot, int ht_opmode, int ap_isolate,
7271 int *basic_rates)
31357268
JM		 7272{
7273 struct wpa_driver_nl80211_data *drv = bss->drv;
7274 struct nl_msg *msg;
7275
7276 msg = nlmsg_alloc();
7277 if (!msg)
7278 return -ENOMEM;
7279
9fb04070 7280 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS);
31357268
JM		 7281
7282 if (cts >= 0)
7283 NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
7284 if (preamble >= 0)
7285 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
7286 if (slot >= 0)
7287 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
7288 if (ht_opmode >= 0)
7289 NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode);
d03e8d11
JM		 7290 if (ap_isolate >= 0)
7291 NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate);
e5693c47
JM		 7292
7293 if (basic_rates) {
7294 u8 rates[NL80211_MAX_SUPP_RATES];
7295 u8 rates_len = 0;
7296 int i;
7297
7298 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
7299 i++)
7300 rates[rates_len++] = basic_rates[i] / 5;
7301
7302 NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
7303 }
7304
31357268
JM		 7305 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
7306
7307 return send_and_recv_msgs(drv, msg, NULL, NULL);
7308 nla_put_failure:
5883168a 7309 nlmsg_free(msg);
31357268
JM		 7310 return -ENOBUFS;
7311}
7312
7313
3c4ca363
VN		 7314static int wpa_driver_nl80211_set_acl(void *priv,
7315 struct hostapd_acl_params *params)
7316{
7317 struct i802_bss *bss = priv;
7318 struct wpa_driver_nl80211_data *drv = bss->drv;
7319 struct nl_msg *msg;
7320 struct nlattr *acl;
7321 unsigned int i;
7322 int ret = 0;
7323
7324 if (!(drv->capa.max_acl_mac_addrs))
7325 return -ENOTSUP;
7326
7327 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
7328 return -ENOTSUP;
7329
7330 msg = nlmsg_alloc();
7331 if (!msg)
7332 return -ENOMEM;
7333
7334 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
7335 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
7336
7337 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_MAC_ACL);
7338
7339 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7340
7341 NLA_PUT_U32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
7342 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
7343 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED);
7344
7345 acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
7346 if (acl == NULL)
7347 goto nla_put_failure;
7348
7349 for (i = 0; i < params->num_mac_acl; i++)
7350 NLA_PUT(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr);
7351
7352 nla_nest_end(msg, acl);
7353
7354 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7355 msg = NULL;
7356 if (ret) {
7357 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
7358 ret, strerror(-ret));
7359 }
7360
7361nla_put_failure:
7362 nlmsg_free(msg);
7363
7364 return ret;
7365}
7366
7367
19c3b566
JM		 7368static int wpa_driver_nl80211_set_ap(void *priv,
7369 struct wpa_driver_ap_params *params)
d2440ba0 7370{
a2e40bb6
FF		 7371 struct i802_bss *bss = priv;
7372 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 7373 struct nl_msg *msg;
7374 u8 cmd = NL80211_CMD_NEW_BEACON;
7375 int ret;
b4fd6fab 7376 int beacon_set;
8b897f5a 7377 int ifindex = if_nametoindex(bss->ifname);
b11d1d64 7378 int num_suites;
de4ed4a8 7379 u32 suites[10], suite;
b11d1d64 7380 u32 ver;
b4fd6fab 7381
b4fd6fab 7382 beacon_set = bss->beacon_set;
d2440ba0
JM		 7383
7384 msg = nlmsg_alloc();
7385 if (!msg)
7386 return -ENOMEM;
7387
7388 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 7389 beacon_set);
7390 if (beacon_set)
d2440ba0
JM		 7391 cmd = NL80211_CMD_SET_BEACON;
7392
9fb04070 7393 nl80211_cmd(drv, msg, 0, cmd);
b92e08fc
JM		 7394 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
7395 params->head, params->head_len);
19c3b566 7396 NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head);
b92e08fc
JM		 7397 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
7398 params->tail, params->tail_len);
19c3b566 7399 NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail);
b92e08fc 7400 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", ifindex);
b4fd6fab 7401 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
b92e08fc 7402 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
19c3b566 7403 NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int);
b92e08fc 7404 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
19c3b566 7405 NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period);
b92e08fc
JM		 7406 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
7407 params->ssid, params->ssid_len);
ccb941e6
JM		 7408 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7409 params->ssid);
b92e08fc
JM		 7410 if (params->proberesp && params->proberesp_len) {
7411 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
7412 params->proberesp, params->proberesp_len);
5ed33546
AN		 7413 NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
7414 params->proberesp);
b92e08fc 7415 }
97a7a0b5
JM		 7416 switch (params->hide_ssid) {
7417 case NO_SSID_HIDING:
b92e08fc 7418 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
97a7a0b5
JM		 7419 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
7420 NL80211_HIDDEN_SSID_NOT_IN_USE);
7421 break;
7422 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 7423 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
97a7a0b5
JM		 7424 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
7425 NL80211_HIDDEN_SSID_ZERO_LEN);
7426 break;
7427 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 7428 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
97a7a0b5
JM		 7429 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
7430 NL80211_HIDDEN_SSID_ZERO_CONTENTS);
7431 break;
7432 }
b92e08fc 7433 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
b11d1d64
JM		 7434 if (params->privacy)
7435 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
b92e08fc 7436 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 7437 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
7438 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
7439 /* Leave out the attribute */
7440 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED)
7441 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
7442 NL80211_AUTHTYPE_SHARED_KEY);
7443 else
7444 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
7445 NL80211_AUTHTYPE_OPEN_SYSTEM);
7446
b92e08fc 7447 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 7448 ver = 0;
7449 if (params->wpa_version & WPA_PROTO_WPA)
7450 ver |= NL80211_WPA_VERSION_1;
7451 if (params->wpa_version & WPA_PROTO_RSN)
7452 ver |= NL80211_WPA_VERSION_2;
7453 if (ver)
7454 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
7455
b92e08fc
JM		 7456 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
7457 params->key_mgmt_suites);
b11d1d64
JM		 7458 num_suites = 0;
7459 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
7460 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
7461 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
7462 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
7463 if (num_suites) {
7464 NLA_PUT(msg, NL80211_ATTR_AKM_SUITES,
7465 num_suites * sizeof(u32), suites);
7466 }
7467
9f12614b
JB		 7468 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X &&
7469 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40))
7470 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT);
7471
b92e08fc
JM		 7472 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
7473 params->pairwise_ciphers);
de4ed4a8
JM		 7474 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
7475 suites, ARRAY_SIZE(suites));
b11d1d64
JM		 7476 if (num_suites) {
7477 NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
7478 num_suites * sizeof(u32), suites);
7479 }
7480
b92e08fc
JM		 7481 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
7482 params->group_cipher);
de4ed4a8
JM		 7483 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
7484 if (suite)
7485 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite);
d2440ba0 7486
fb91db56 7487 if (params->beacon_ies) {
b92e08fc
JM		 7488 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
7489 params->beacon_ies);
fb91db56
JM		 7490 NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies),
7491 wpabuf_head(params->beacon_ies));
7492 }
7493 if (params->proberesp_ies) {
b92e08fc
JM		 7494 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
7495 params->proberesp_ies);
fb91db56
JM		 7496 NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP,
7497 wpabuf_len(params->proberesp_ies),
7498 wpabuf_head(params->proberesp_ies));
7499 }
7500 if (params->assocresp_ies) {
b92e08fc
JM		 7501 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
7502 params->assocresp_ies);
fb91db56
JM		 7503 NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP,
7504 wpabuf_len(params->assocresp_ies),
7505 wpabuf_head(params->assocresp_ies));
7506 }
7507
a0133ee1 7508 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 7509 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
7510 params->ap_max_inactivity);
a0133ee1
VT		 7511 NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
7512 params->ap_max_inactivity);
7513 }
7514
d2440ba0
JM		 7515 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7516 if (ret) {
7517 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
7518 ret, strerror(-ret));
b4fd6fab 7519 } else {
b4fd6fab 7520 bss->beacon_set = 1;
31357268 7521 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 7522 params->short_slot_time, params->ht_opmode,
e5693c47 7523 params->isolate, params->basic_rates);
e87ef751
PX		 7524 if (beacon_set && params->freq &&
7525 params->freq->bandwidth != bss->bandwidth) {
7526 wpa_printf(MSG_DEBUG,
7527 "nl80211: Update BSS %s bandwidth: %d -> %d",
7528 bss->ifname, bss->bandwidth,
7529 params->freq->bandwidth);
7530 ret = nl80211_set_channel(bss, params->freq, 1);
7531 if (ret) {
7532 wpa_printf(MSG_DEBUG,
7533 "nl80211: Frequency set failed: %d (%s)",
7534 ret, strerror(-ret));
7535 } else {
7536 wpa_printf(MSG_DEBUG,
7537 "nl80211: Frequency set succeeded for ht2040 coex");
7538 bss->bandwidth = params->freq->bandwidth;
7539 }
7540 } else if (!beacon_set) {
7541 /*
7542 * cfg80211 updates the driver on frequence change in AP
7543 * mode only at the point when beaconing is started, so
7544 * set the initial value here.
7545 */
7546 bss->bandwidth = params->freq->bandwidth;
7547 }
b4fd6fab 7548 }
d2440ba0
JM		 7549 return ret;
7550 nla_put_failure:
5883168a 7551 nlmsg_free(msg);
d2440ba0
JM		 7552 return -ENOBUFS;
7553}
7554
7555
1c4ffa87
AO		 7556static int nl80211_put_freq_params(struct nl_msg *msg,
7557 struct hostapd_freq_params *freq)
1581b38b 7558{
89b800d7
JB		 7559 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
7560 if (freq->vht_enabled) {
7561 switch (freq->bandwidth) {
7562 case 20:
7563 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
7564 NL80211_CHAN_WIDTH_20);
7565 break;
7566 case 40:
7567 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
7568 NL80211_CHAN_WIDTH_40);
7569 break;
7570 case 80:
7571 if (freq->center_freq2)
7572 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
7573 NL80211_CHAN_WIDTH_80P80);
7574 else
7575 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
7576 NL80211_CHAN_WIDTH_80);
7577 break;
7578 case 160:
7579 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
7580 NL80211_CHAN_WIDTH_160);
7581 break;
7582 default:
1c4ffa87 7583 return -EINVAL;
89b800d7
JB		 7584 }
7585 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1);
7586 if (freq->center_freq2)
7587 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2,
7588 freq->center_freq2);
7589 } else if (freq->ht_enabled) {
7590 switch (freq->sec_channel_offset) {
f019981a
JM		 7591 case -1:
7592 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
7593 NL80211_CHAN_HT40MINUS);
7594 break;
7595 case 1:
7596 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
7597 NL80211_CHAN_HT40PLUS);
7598 break;
7599 default:
7600 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
7601 NL80211_CHAN_HT20);
7602 break;
7603 }
7604 }
1c4ffa87
AO		 7605 return 0;
7606
7607nla_put_failure:
7608 return -ENOBUFS;
7609}
7610
7611
e87ef751
PX		 7612static int nl80211_set_channel(struct i802_bss *bss,
7613 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 7614{
7615 struct wpa_driver_nl80211_data *drv = bss->drv;
7616 struct nl_msg *msg;
7617 int ret;
7618
7619 wpa_printf(MSG_DEBUG,
7620 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
7621 freq->freq, freq->ht_enabled, freq->vht_enabled,
7622 freq->bandwidth, freq->center_freq1, freq->center_freq2);
7623 msg = nlmsg_alloc();
7624 if (!msg)
7625 return -1;
7626
e87ef751
PX		 7627 nl80211_cmd(drv, msg, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
7628 NL80211_CMD_SET_WIPHY);
1c4ffa87
AO		 7629
7630 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7631 if (nl80211_put_freq_params(msg, freq) < 0)
7632 goto nla_put_failure;
1581b38b 7633
d2440ba0 7634 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 7635 msg = NULL;
e4fb2167 7636 if (ret == 0) {
89b800d7 7637 bss->freq = freq->freq;
1581b38b 7638 return 0;
e4fb2167 7639 }
f019981a 7640 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 7641 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b 7642nla_put_failure:
5883168a 7643 nlmsg_free(msg);
1581b38b
JM		 7644 return -1;
7645}
7646
0f4e8b4f 7647
95ab6063
AN		 7648static u32 sta_flags_nl80211(int flags)
7649{
7650 u32 f = 0;
7651
7652 if (flags & WPA_STA_AUTHORIZED)
7653 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
7654 if (flags & WPA_STA_WMM)
7655 f |= BIT(NL80211_STA_FLAG_WME);
7656 if (flags & WPA_STA_SHORT_PREAMBLE)
7657 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
7658 if (flags & WPA_STA_MFP)
7659 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 7660 if (flags & WPA_STA_TDLS_PEER)
7661 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
95ab6063
AN		 7662
7663 return f;
7664}
7665
7666
62847751 7667static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 7668 struct hostapd_sta_add_params *params)
7669{
a2e40bb6
FF		 7670 struct i802_bss *bss = priv;
7671 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 7672 struct nl_msg *msg;
95ab6063 7673 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 7674 int ret = -ENOBUFS;
7675
45b722f1
AN		 7676 if ((params->flags & WPA_STA_TDLS_PEER) &&
7677 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7678 return -EOPNOTSUPP;
7679
0f4e8b4f
JM		 7680 msg = nlmsg_alloc();
7681 if (!msg)
7682 return -ENOMEM;
7683
e4dea253
JM		 7684 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
7685 params->set ? "Set" : "Add", MAC2STR(params->addr));
45b722f1
AN		 7686 nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION :
7687 NL80211_CMD_NEW_STATION);
0f4e8b4f 7688
62847751 7689 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
0f4e8b4f 7690 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr);
0f4e8b4f
JM		 7691 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len,
7692 params->supp_rates);
e4dea253
JM		 7693 wpa_hexdump(MSG_DEBUG, " * supported rates", params->supp_rates,
7694 params->supp_rates_len);
45b722f1 7695 if (!params->set) {
f11b72c3
JM		 7696 if (params->aid) {
7697 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
7698 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid);
7699 } else {
7700 /*
7701 * cfg80211 validates that AID is non-zero, so we have
7702 * to make this a non-zero value for the TDLS case where
7703 * a dummy STA entry is used for now.
7704 */
7705 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
7706 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, 1);
7707 }
e4dea253
JM		 7708 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
7709 params->listen_interval);
45b722f1
AN		 7710 NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
7711 params->listen_interval);
e112764e
JM		 7712 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
7713 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
7714 NLA_PUT_U16(msg, NL80211_ATTR_PEER_AID, params->aid);
45b722f1 7715 }
0f4e8b4f 7716 if (params->ht_capabilities) {
e4dea253
JM		 7717 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
7718 (u8 *) params->ht_capabilities,
7719 sizeof(*params->ht_capabilities));
0f4e8b4f 7720 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY,
fc4e2d95
JM		 7721 sizeof(*params->ht_capabilities),
7722 params->ht_capabilities);
0f4e8b4f 7723 }
0f4e8b4f 7724
05a8d422 7725 if (params->vht_capabilities) {
e4dea253
JM		 7726 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
7727 (u8 *) params->vht_capabilities,
7728 sizeof(*params->vht_capabilities));
05a8d422
JB		 7729 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY,
7730 sizeof(*params->vht_capabilities),
7731 params->vht_capabilities);
7732 }
7733
8a458116
MK		 7734 if (params->vht_opmode_enabled) {
7735 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
7736 NLA_PUT_U8(msg, NL80211_ATTR_OPMODE_NOTIF,
7737 params->vht_opmode);
7738 }
7739
122d16f2
SD		 7740 wpa_printf(MSG_DEBUG, " * capability=0x%x", params->capability);
7741 NLA_PUT_U16(msg, NL80211_ATTR_STA_CAPABILITY, params->capability);
7742
7743 if (params->ext_capab) {
7744 wpa_hexdump(MSG_DEBUG, " * ext_capab",
7745 params->ext_capab, params->ext_capab_len);
7746 NLA_PUT(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
7747 params->ext_capab_len, params->ext_capab);
7748 }
7749
efc64886
SD		 7750 if (params->supp_channels) {
7751 wpa_hexdump(MSG_DEBUG, " * supported channels",
7752 params->supp_channels, params->supp_channels_len);
7753 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
7754 params->supp_channels_len, params->supp_channels);
7755 }
7756
7757 if (params->supp_oper_classes) {
7758 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
7759 params->supp_oper_classes,
7760 params->supp_oper_classes_len);
7761 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
7762 params->supp_oper_classes_len,
7763 params->supp_oper_classes);
7764 }
7765
95ab6063
AN		 7766 os_memset(&upd, 0, sizeof(upd));
7767 upd.mask = sta_flags_nl80211(params->flags);
7768 upd.set = upd.mask;
e4dea253
JM		 7769 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
7770 upd.set, upd.mask);
95ab6063
AN		 7771 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
7772
774bfa62 7773 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 7774 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
7775
774bfa62
EP		 7776 if (!wme)
7777 goto nla_put_failure;
7778
e4dea253 7779 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
8970bae8 7780 NLA_PUT_U8(msg, NL80211_STA_WME_UAPSD_QUEUES,
5d061637 7781 params->qosinfo & WMM_QOSINFO_STA_AC_MASK);
8970bae8 7782 NLA_PUT_U8(msg, NL80211_STA_WME_MAX_SP,
bdaf1748 7783 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
5d061637 7784 WMM_QOSINFO_STA_SP_MASK);
8970bae8 7785 nla_nest_end(msg, wme);
774bfa62
EP		 7786 }
7787
0f4e8b4f 7788 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 7789 msg = NULL;
0f4e8b4f 7790 if (ret)
45b722f1
AN		 7791 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
7792 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
7793 strerror(-ret));
0f4e8b4f
JM		 7794 if (ret == -EEXIST)
7795 ret = 0;
7796 nla_put_failure:
5883168a 7797 nlmsg_free(msg);
0f4e8b4f
JM		 7798 return ret;
7799}
7800
7801
97ed9a06
KP		 7802static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
7803{
7804#ifdef CONFIG_LIBNL3_ROUTE
7805 struct wpa_driver_nl80211_data *drv = bss->drv;
7806 struct rtnl_neigh *rn;
7807 struct nl_addr *nl_addr;
7808 int err;
7809
7810 rn = rtnl_neigh_alloc();
7811 if (!rn)
7812 return;
7813
7814 rtnl_neigh_set_family(rn, AF_BRIDGE);
7815 rtnl_neigh_set_ifindex(rn, bss->ifindex);
7816 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
7817 if (!nl_addr) {
7818 rtnl_neigh_put(rn);
7819 return;
7820 }
7821 rtnl_neigh_set_lladdr(rn, nl_addr);
7822
7823 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
7824 if (err < 0) {
7825 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
7826 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
7827 bss->ifindex, nl_geterror(err));
7828 } else {
7829 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
7830 MACSTR, MAC2STR(addr));
7831 }
7832
7833 nl_addr_put(nl_addr);
7834 rtnl_neigh_put(rn);
7835#endif /* CONFIG_LIBNL3_ROUTE */
7836}
7837
7838
59d7148a
JM		 7839static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
7840 int deauth, u16 reason_code)
0f4e8b4f 7841{
a2e40bb6 7842 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 7843 struct nl_msg *msg;
7844 int ret;
7845
7846 msg = nlmsg_alloc();
7847 if (!msg)
7848 return -ENOMEM;
7849
9fb04070 7850 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
0f4e8b4f
JM		 7851
7852 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 7853 if_nametoindex(bss->ifname));
0f4e8b4f 7854 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
59d7148a
JM		 7855 if (deauth == 0)
7856 NLA_PUT_U8(msg, NL80211_ATTR_MGMT_SUBTYPE,
7857 WLAN_FC_STYPE_DISASSOC);
7858 else if (deauth == 1)
7859 NLA_PUT_U8(msg, NL80211_ATTR_MGMT_SUBTYPE,
7860 WLAN_FC_STYPE_DEAUTH);
7861 if (reason_code)
7862 NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code);
0f4e8b4f
JM		 7863
7864 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 7865 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
7866 " --> %d (%s)",
7867 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 7868
7869 if (drv->rtnl_sk)
7870 rtnl_neigh_delete_fdb_entry(bss, addr);
7871
0f4e8b4f
JM		 7872 if (ret == -ENOENT)
7873 return 0;
7874 return ret;
7875 nla_put_failure:
5883168a 7876 nlmsg_free(msg);
0f4e8b4f
JM		 7877 return -ENOBUFS;
7878}
7879
1581b38b 7880
0915d02c
JM		 7881static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
7882 int ifidx)
7883{
7884 struct nl_msg *msg;
de884303 7885 struct wpa_driver_nl80211_data *drv2;
0915d02c 7886
c6e8e8e4
JM		 7887 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
7888
2135f224 7889 /* stop listening for EAPOL on this interface */
de884303
JM		 7890 dl_list_for_each(drv2, &drv->global->interfaces,
7891 struct wpa_driver_nl80211_data, list)
7892 del_ifidx(drv2, ifidx);
2135f224 7893
0915d02c
JM		 7894 msg = nlmsg_alloc();
7895 if (!msg)
7896 goto nla_put_failure;
7897
9fb04070 7898 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 7899 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx);
7900
7901 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
7902 return;
5883168a 7903 msg = NULL;
0915d02c 7904 nla_put_failure:
5883168a 7905 nlmsg_free(msg);
e748062b 7906 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 7907}
7908
7909
a1922f93
JM		 7910static const char * nl80211_iftype_str(enum nl80211_iftype mode)
7911{
7912 switch (mode) {
7913 case NL80211_IFTYPE_ADHOC:
7914 return "ADHOC";
7915 case NL80211_IFTYPE_STATION:
7916 return "STATION";
7917 case NL80211_IFTYPE_AP:
7918 return "AP";
1045ec36
JM		 7919 case NL80211_IFTYPE_AP_VLAN:
7920 return "AP_VLAN";
7921 case NL80211_IFTYPE_WDS:
7922 return "WDS";
a1922f93
JM		 7923 case NL80211_IFTYPE_MONITOR:
7924 return "MONITOR";
1045ec36
JM		 7925 case NL80211_IFTYPE_MESH_POINT:
7926 return "MESH_POINT";
a1922f93
JM		 7927 case NL80211_IFTYPE_P2P_CLIENT:
7928 return "P2P_CLIENT";
7929 case NL80211_IFTYPE_P2P_GO:
7930 return "P2P_GO";
7aad838c
NS		 7931 case NL80211_IFTYPE_P2P_DEVICE:
7932 return "P2P_DEVICE";
a1922f93
JM		 7933 default:
7934 return "unknown";
7935 }
7936}
7937
7938
a35187e7
KH		 7939static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
7940 const char *ifname,
7941 enum nl80211_iftype iftype,
d6dcfcda
DS		 7942 const u8 *addr, int wds,
7943 int (*handler)(struct nl_msg *, void *),
7944 void *arg)
0915d02c 7945{
8970bae8 7946 struct nl_msg *msg;
0915d02c
JM		 7947 int ifidx;
7948 int ret = -ENOBUFS;
7949
a1922f93
JM		 7950 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
7951 iftype, nl80211_iftype_str(iftype));
7952
0915d02c
JM		 7953 msg = nlmsg_alloc();
7954 if (!msg)
7955 return -1;
7956
9fb04070 7957 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE);
834ee56f 7958 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
fa93de40 7959 goto nla_put_failure;
0915d02c
JM		 7960 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
7961 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
7962
7963 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 7964 struct nlattr *flags;
0915d02c 7965
8970bae8 7966 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
0915d02c
JM		 7967 if (!flags)
7968 goto nla_put_failure;
7969
8970bae8 7970 NLA_PUT_FLAG(msg, NL80211_MNTR_FLAG_COOK_FRAMES);
0915d02c 7971
8970bae8 7972 nla_nest_end(msg, flags);
fbbfcbac
FF		 7973 } else if (wds) {
7974 NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds);
0915d02c
JM		 7975 }
7976
52f5877a
IP		 7977 /*
7978 * Tell cfg80211 that the interface belongs to the socket that created
7979 * it, and the interface should be deleted when the socket is closed.
7980 */
7981 NLA_PUT_FLAG(msg, NL80211_ATTR_IFACE_SOCKET_OWNER);
7982
d6dcfcda 7983 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 7984 msg = NULL;
0915d02c
JM		 7985 if (ret) {
7986 nla_put_failure:
5883168a 7987 nlmsg_free(msg);
a35187e7
KH		 7988 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
7989 ifname, ret, strerror(-ret));
0915d02c
JM		 7990 return ret;
7991 }
7992
f632e483 7993 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 7994 return 0;
6bae92e0 7995
0915d02c 7996 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 7997 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
7998 ifname, ifidx);
0915d02c
JM		 7999
8000 if (ifidx <= 0)
8001 return -1;
8002
147848ec
JM		 8003 /*
8004 * Some virtual interfaces need to process EAPOL packets and events on
8005 * the parent interface. This is used mainly with hostapd.
8006 */
8007 if (drv->hostapd ||
8008 iftype == NL80211_IFTYPE_AP_VLAN ||
8009 iftype == NL80211_IFTYPE_WDS ||
8010 iftype == NL80211_IFTYPE_MONITOR) {
8011 /* start listening for EAPOL on this interface */
8012 add_ifidx(drv, ifidx);
8013 }
2135f224 8014
7bfc47c3 8015 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 8016 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 8017 nl80211_remove_iface(drv, ifidx);
8018 return -1;
2135f224 8019 }
2135f224 8020
0915d02c
JM		 8021 return ifidx;
8022}
22a7c9d7
JM		 8023
8024
a35187e7
KH		 8025static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
8026 const char *ifname, enum nl80211_iftype iftype,
d6dcfcda
DS		 8027 const u8 *addr, int wds,
8028 int (*handler)(struct nl_msg *, void *),
2aec4f3c 8029 void *arg, int use_existing)
a35187e7
KH		 8030{
8031 int ret;
8032
d6dcfcda
DS		 8033 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
8034 arg);
a35187e7 8035
ffbf1eaa 8036 /* if error occurred and interface exists already */
a35187e7 8037 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 8038 if (use_existing) {
8039 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
8040 ifname);
6997f8ba
JM		 8041 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
8042 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
8043 addr) < 0 &&
8044 (linux_set_iface_flags(drv->global->ioctl_sock,
8045 ifname, 0) < 0 ||
8046 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
8047 addr) < 0 ||
8048 linux_set_iface_flags(drv->global->ioctl_sock,
8049 ifname, 1) < 0))
8050 return -1;
2aec4f3c
JM		 8051 return -ENFILE;
8052 }
a35187e7
KH		 8053 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
8054
8055 /* Try to remove the interface that was already there. */
8056 nl80211_remove_iface(drv, if_nametoindex(ifname));
8057
8058 /* Try to create the interface again */
fbbfcbac 8059 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 8060 wds, handler, arg);
a35187e7
KH		 8061 }
8062
6a71413e 8063 if (ret >= 0 && is_p2p_net_interface(iftype))
4e5cb1a3
JM		 8064 nl80211_disable_11b_rates(drv, ret, 1);
8065
a35187e7
KH		 8066 return ret;
8067}
0915d02c 8068
2135f224 8069
0915d02c
JM		 8070static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok)
8071{
8072 struct ieee80211_hdr *hdr;
f8b1f695
JM		 8073 u16 fc;
8074 union wpa_event_data event;
0915d02c
JM		 8075
8076 hdr = (struct ieee80211_hdr *) buf;
8077 fc = le_to_host16(hdr->frame_control);
8078
f8b1f695
JM		 8079 os_memset(&event, 0, sizeof(event));
8080 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
8081 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
8082 event.tx_status.dst = hdr->addr1;
8083 event.tx_status.data = buf;
8084 event.tx_status.data_len = len;
8085 event.tx_status.ack = ok;
8086 wpa_supplicant_event(ctx, EVENT_TX_STATUS, &event);
0915d02c
JM		 8087}
8088
8089
4b9841d3 8090static void from_unknown_sta(struct wpa_driver_nl80211_data *drv,
0d9fc3d8 8091 u8 *buf, size_t len)
0915d02c 8092{
9b90955e
JB		 8093 struct ieee80211_hdr *hdr = (void *)buf;
8094 u16 fc;
f8b1f695 8095 union wpa_event_data event;
9b90955e
JB		 8096
8097 if (len < sizeof(*hdr))
8098 return;
8099
8100 fc = le_to_host16(hdr->frame_control);
8101
f8b1f695 8102 os_memset(&event, 0, sizeof(event));
9b90955e
JB		 8103 event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len);
8104 event.rx_from_unknown.addr = hdr->addr2;
8105 event.rx_from_unknown.wds = (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) ==
8106 (WLAN_FC_FROMDS | WLAN_FC_TODS);
f8b1f695 8107 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
4b9841d3 8108}
0915d02c 8109
4b9841d3
JM		 8110
8111static void handle_frame(struct wpa_driver_nl80211_data *drv,
2a8b7416 8112 u8 *buf, size_t len, int datarate, int ssi_signal)
4b9841d3
JM		 8113{
8114 struct ieee80211_hdr *hdr;
f8b1f695
JM		 8115 u16 fc;
8116 union wpa_event_data event;
0915d02c
JM		 8117
8118 hdr = (struct ieee80211_hdr *) buf;
8119 fc = le_to_host16(hdr->frame_control);
0915d02c 8120
4b9841d3 8121 switch (WLAN_FC_GET_TYPE(fc)) {
0915d02c 8122 case WLAN_FC_TYPE_MGMT:
f8b1f695
JM		 8123 os_memset(&event, 0, sizeof(event));
8124 event.rx_mgmt.frame = buf;
8125 event.rx_mgmt.frame_len = len;
2a8b7416
JM		 8126 event.rx_mgmt.datarate = datarate;
8127 event.rx_mgmt.ssi_signal = ssi_signal;
f8b1f695 8128 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
0915d02c
JM		 8129 break;
8130 case WLAN_FC_TYPE_CTRL:
8131 /* can only get here with PS-Poll frames */
8132 wpa_printf(MSG_DEBUG, "CTRL");
0d9fc3d8 8133 from_unknown_sta(drv, buf, len);
0915d02c
JM		 8134 break;
8135 case WLAN_FC_TYPE_DATA:
0d9fc3d8 8136 from_unknown_sta(drv, buf, len);
0915d02c
JM		 8137 break;
8138 }
8139}
8140
8141
8142static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
8143{
8144 struct wpa_driver_nl80211_data *drv = eloop_ctx;
8145 int len;
8146 unsigned char buf[3000];
8147 struct ieee80211_radiotap_iterator iter;
8148 int ret;
2a8b7416 8149 int datarate = 0, ssi_signal = 0;
4b9841d3 8150 int injected = 0, failed = 0, rxflags = 0;
0915d02c
JM		 8151
8152 len = recv(sock, buf, sizeof(buf), 0);
8153 if (len < 0) {
7ac3616d
JM		 8154 wpa_printf(MSG_ERROR, "nl80211: Monitor socket recv failed: %s",
8155 strerror(errno));
0915d02c
JM		 8156 return;
8157 }
8158
0e80ea2c 8159 if (ieee80211_radiotap_iterator_init(&iter, (void *) buf, len, NULL)) {
7ac3616d 8160 wpa_printf(MSG_INFO, "nl80211: received invalid radiotap frame");
0915d02c
JM		 8161 return;
8162 }
8163
0915d02c
JM		 8164 while (1) {
8165 ret = ieee80211_radiotap_iterator_next(&iter);
8166 if (ret == -ENOENT)
8167 break;
8168 if (ret) {
7ac3616d
JM		 8169 wpa_printf(MSG_INFO, "nl80211: received invalid radiotap frame (%d)",
8170 ret);
0915d02c
JM		 8171 return;
8172 }
8173 switch (iter.this_arg_index) {
8174 case IEEE80211_RADIOTAP_FLAGS:
8175 if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS)
8176 len -= 4;
8177 break;
8178 case IEEE80211_RADIOTAP_RX_FLAGS:
8179 rxflags = 1;
8180 break;
8181 case IEEE80211_RADIOTAP_TX_FLAGS:
8182 injected = 1;
8183 failed = le_to_host16((*(uint16_t *) iter.this_arg)) &
8184 IEEE80211_RADIOTAP_F_TX_FAIL;
8185 break;
8186 case IEEE80211_RADIOTAP_DATA_RETRIES:
8187 break;
8188 case IEEE80211_RADIOTAP_CHANNEL:
2a8b7416 8189 /* TODO: convert from freq/flags to channel number */
0915d02c
JM		 8190 break;
8191 case IEEE80211_RADIOTAP_RATE:
2a8b7416 8192 datarate = *iter.this_arg * 5;
0915d02c 8193 break;
baf513d6
JB		 8194 case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
8195 ssi_signal = (s8) *iter.this_arg;
0915d02c
JM		 8196 break;
8197 }
8198 }
8199
8200 if (rxflags && injected)
8201 return;
8202
8203 if (!injected)
bacb984b
JB		 8204 handle_frame(drv, buf + iter._max_length,
8205 len - iter._max_length, datarate, ssi_signal);
0915d02c 8206 else
bacb984b
JB		 8207 handle_tx_callback(drv->ctx, buf + iter._max_length,
8208 len - iter._max_length, !failed);
0915d02c
JM		 8209}
8210
8211
8212/*
8213 * we post-process the filter code later and rewrite
8214 * this to the offset to the last instruction
8215 */
8216#define PASS 0xFF
8217#define FAIL 0xFE
8218
8219static struct sock_filter msock_filter_insns[] = {
8220 /*
8221 * do a little-endian load of the radiotap length field
8222 */
8223 /* load lower byte into A */
8224 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
8225 /* put it into X (== index register) */
8226 BPF_STMT(BPF_MISC| BPF_TAX, 0),
8227 /* load upper byte into A */
8228 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 3),
8229 /* left-shift it by 8 */
8230 BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8),
8231 /* or with X */
8232 BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0),
8233 /* put result into X */
8234 BPF_STMT(BPF_MISC| BPF_TAX, 0),
8235
8236 /*
8237 * Allow management frames through, this also gives us those
8238 * management frames that we sent ourselves with status
8239 */
8240 /* load the lower byte of the IEEE 802.11 frame control field */
8241 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
8242 /* mask off frame type and version */
8243 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF),
8244 /* accept frame if it's both 0, fall through otherwise */
8245 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0),
8246
8247 /*
8248 * TODO: add a bit to radiotap RX flags that indicates
8249 * that the sending station is not associated, then
8250 * add a filter here that filters on our DA and that flag
8251 * to allow us to deauth frames to that bad station.
8252 *
65ae1afd 8253 * For now allow all To DS data frames through.
0915d02c 8254 */
65ae1afd
HS		 8255 /* load the IEEE 802.11 frame control field */
8256 BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0),
8257 /* mask off frame type, version and DS status */
8258 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03),
8259 /* accept frame if version 0, type 2 and To DS, fall through otherwise
8260 */
8261 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0),
0915d02c
JM		 8262
8263#if 0
8264 /*
fbbfcbac 8265 * drop non-data frames
0915d02c
JM		 8266 */
8267 /* load the lower byte of the frame control field */
8268 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
8269 /* mask off QoS bit */
8270 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c),
8271 /* drop non-data frames */
8272 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL),
fbbfcbac 8273#endif
0915d02c 8274 /* load the upper byte of the frame control field */
fbbfcbac 8275 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1),
0915d02c
JM		 8276 /* mask off toDS/fromDS */
8277 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03),
fbbfcbac
FF		 8278 /* accept WDS frames */
8279 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0),
0915d02c
JM		 8280
8281 /*
8282 * add header length to index
8283 */
8284 /* load the lower byte of the frame control field */
8285 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
8286 /* mask off QoS bit */
8287 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x80),
8288 /* right shift it by 6 to give 0 or 2 */
8289 BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 6),
8290 /* add data frame header length */
8291 BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 24),
8292 /* add index, was start of 802.11 header */
8293 BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
8294 /* move to index, now start of LL header */
8295 BPF_STMT(BPF_MISC | BPF_TAX, 0),
8296
8297 /*
8298 * Accept empty data frames, we use those for
8299 * polling activity.
8300 */
8301 BPF_STMT(BPF_LD | BPF_W | BPF_LEN, 0),
8302 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0),
8303
8304 /*
8305 * Accept EAPOL frames
8306 */
8307 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0),
8308 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL),
8309 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 4),
8310 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL),
8311
8312 /* keep these last two statements or change the code below */
8313 /* return 0 == "DROP" */
8314 BPF_STMT(BPF_RET | BPF_K, 0),
8315 /* return ~0 == "keep all" */
8316 BPF_STMT(BPF_RET | BPF_K, ~0),
8317};
8318
8319static struct sock_fprog msock_filter = {
e7ecab4a 8320 .len = ARRAY_SIZE(msock_filter_insns),
0915d02c
JM		 8321 .filter = msock_filter_insns,
8322};
8323
8324
8325static int add_monitor_filter(int s)
8326{
8327 int idx;
8328
8329 /* rewrite all PASS/FAIL jump offsets */
8330 for (idx = 0; idx < msock_filter.len; idx++) {
8331 struct sock_filter *insn = &msock_filter_insns[idx];
8332
8333 if (BPF_CLASS(insn->code) == BPF_JMP) {
8334 if (insn->code == (BPF_JMP|BPF_JA)) {
8335 if (insn->k == PASS)
8336 insn->k = msock_filter.len - idx - 2;
8337 else if (insn->k == FAIL)
8338 insn->k = msock_filter.len - idx - 3;
8339 }
8340
8341 if (insn->jt == PASS)
8342 insn->jt = msock_filter.len - idx - 2;
8343 else if (insn->jt == FAIL)
8344 insn->jt = msock_filter.len - idx - 3;
8345
8346 if (insn->jf == PASS)
8347 insn->jf = msock_filter.len - idx - 2;
8348 else if (insn->jf == FAIL)
8349 insn->jf = msock_filter.len - idx - 3;
8350 }
8351 }
8352
8353 if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER,
8354 &msock_filter, sizeof(msock_filter))) {
7ac3616d
JM		 8355 wpa_printf(MSG_ERROR, "nl80211: setsockopt(SO_ATTACH_FILTER) failed: %s",
8356 strerror(errno));
0915d02c
JM		 8357 return -1;
8358 }
8359
8360 return 0;
8361}
8362
8363
460456f8
JM		 8364static void nl80211_remove_monitor_interface(
8365 struct wpa_driver_nl80211_data *drv)
8366{
748c0ac0
JM		 8367 if (drv->monitor_refcount > 0)
8368 drv->monitor_refcount--;
8369 wpa_printf(MSG_DEBUG, "nl80211: Remove monitor interface: refcount=%d",
8370 drv->monitor_refcount);
3fd1cefb
JB		 8371 if (drv->monitor_refcount > 0)
8372 return;
8373
460456f8
JM		 8374 if (drv->monitor_ifidx >= 0) {
8375 nl80211_remove_iface(drv, drv->monitor_ifidx);
8376 drv->monitor_ifidx = -1;
8377 }
504e905c
JM		 8378 if (drv->monitor_sock >= 0) {
8379 eloop_unregister_read_sock(drv->monitor_sock);
8380 close(drv->monitor_sock);
8381 drv->monitor_sock = -1;
8382 }
460456f8
JM		 8383}
8384
8385
0915d02c
JM		 8386static int
8387nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
8388{
8389 char buf[IFNAMSIZ];
8390 struct sockaddr_ll ll;
8391 int optval;
8392 socklen_t optlen;
0915d02c 8393
3fd1cefb
JB		 8394 if (drv->monitor_ifidx >= 0) {
8395 drv->monitor_refcount++;
748c0ac0
JM		 8396 wpa_printf(MSG_DEBUG, "nl80211: Re-use existing monitor interface: refcount=%d",
8397 drv->monitor_refcount);
3fd1cefb
JB		 8398 return 0;
8399 }
8400
834ee56f 8401 if (os_strncmp(drv->first_bss->ifname, "p2p-", 4) == 0) {
6758b167
JJ		 8402 /*
8403 * P2P interface name is of the format p2p-%s-%d. For monitor
8404 * interface name corresponding to P2P GO, replace "p2p-" with
8405 * "mon-" to retain the same interface name length and to
8406 * indicate that it is a monitor interface.
8407 */
834ee56f 8408 snprintf(buf, IFNAMSIZ, "mon-%s", drv->first_bss->ifname + 4);
6758b167
JJ		 8409 } else {
8410 /* Non-P2P interface with AP functionality. */
834ee56f 8411 snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss->ifname);
6758b167
JJ		 8412 }
8413
0915d02c
JM		 8414 buf[IFNAMSIZ - 1] = '\0';
8415
8416 drv->monitor_ifidx =
fbbfcbac 8417 nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL,
2aec4f3c 8418 0, NULL, NULL, 0);
0915d02c 8419
866af8b6 8420 if (drv->monitor_ifidx == -EOPNOTSUPP) {
61cbe2ff
JB		 8421 /*
8422 * This is backward compatibility for a few versions of
8423 * the kernel only that didn't advertise the right
8424 * attributes for the only driver that then supported
8425 * AP mode w/o monitor -- ath6kl.
8426 */
866af8b6
JM		 8427 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support "
8428 "monitor interface type - try to run without it");
61cbe2ff 8429 drv->device_ap_sme = 1;
866af8b6
JM		 8430 }
8431
0915d02c
JM		 8432 if (drv->monitor_ifidx < 0)
8433 return -1;
8434
c81eff1a 8435 if (linux_set_iface_flags(drv->global->ioctl_sock, buf, 1))
0915d02c 8436 goto error;
0915d02c
JM		 8437
8438 memset(&ll, 0, sizeof(ll));
8439 ll.sll_family = AF_PACKET;
8440 ll.sll_ifindex = drv->monitor_ifidx;
8441 drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
8442 if (drv->monitor_sock < 0) {
7ac3616d
JM		 8443 wpa_printf(MSG_ERROR, "nl80211: socket[PF_PACKET,SOCK_RAW] failed: %s",
8444 strerror(errno));
0915d02c
JM		 8445 goto error;
8446 }
8447
8448 if (add_monitor_filter(drv->monitor_sock)) {
8449 wpa_printf(MSG_INFO, "Failed to set socket filter for monitor "
8450 "interface; do filtering in user space");
8451 /* This works, but will cost in performance. */
8452 }
8453
2135f224 8454 if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
7ac3616d
JM		 8455 wpa_printf(MSG_ERROR, "nl80211: monitor socket bind failed: %s",
8456 strerror(errno));
0915d02c
JM		 8457 goto error;
8458 }
8459
8460 optlen = sizeof(optval);
8461 optval = 20;
8462 if (setsockopt
8463 (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) {
7ac3616d
JM		 8464 wpa_printf(MSG_ERROR, "nl80211: Failed to set socket priority: %s",
8465 strerror(errno));
0915d02c
JM		 8466 goto error;
8467 }
8468
8469 if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read,
8470 drv, NULL)) {
7ac3616d 8471 wpa_printf(MSG_INFO, "nl80211: Could not register monitor read socket");
0915d02c
JM		 8472 goto error;
8473 }
8474
748c0ac0 8475 drv->monitor_refcount++;
0915d02c
JM		 8476 return 0;
8477 error:
460456f8 8478 nl80211_remove_monitor_interface(drv);
0915d02c
JM		 8479 return -1;
8480}
8481
db149ac9 8482
3fd1cefb
JB		 8483static int nl80211_setup_ap(struct i802_bss *bss)
8484{
8485 struct wpa_driver_nl80211_data *drv = bss->drv;
8486
748c0ac0
JM		 8487 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
8488 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 8489
a11241fa
JB		 8490 /*
8491 * Disable Probe Request reporting unless we need it in this way for
8492 * devices that include the AP SME, in the other case (unless using
8493 * monitor iface) we'll get it through the nl_mgmt socket instead.
8494 */
8495 if (!drv->device_ap_sme)
8496 wpa_driver_nl80211_probe_req_report(bss, 0);
8497
8498 if (!drv->device_ap_sme && !drv->use_monitor)
8499 if (nl80211_mgmt_subscribe_ap(bss))
8500 return -1;
8501
a6cc0602
JM		 8502 if (drv->device_ap_sme && !drv->use_monitor)
8503 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
8504 return -1;
8505
a11241fa 8506 if (!drv->device_ap_sme && drv->use_monitor &&
3fd1cefb
JB		 8507 nl80211_create_monitor_interface(drv) &&
8508 !drv->device_ap_sme)
8509 return -1;
8510
8511 if (drv->device_ap_sme &&
8512 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
8513 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
8514 "Probe Request frame reporting in AP mode");
8515 /* Try to survive without this */
8516 }
8517
8518 return 0;
8519}
8520
8521
8522static void nl80211_teardown_ap(struct i802_bss *bss)
8523{
8524 struct wpa_driver_nl80211_data *drv = bss->drv;
8525
748c0ac0
JM		 8526 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
8527 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 8528 if (drv->device_ap_sme) {
3fd1cefb 8529 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 8530 if (!drv->use_monitor)
8531 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
8532 } else if (drv->use_monitor)
3fd1cefb 8533 nl80211_remove_monitor_interface(drv);
a11241fa 8534 else
36488c05 8535 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 8536
3fd1cefb
JB		 8537 bss->beacon_set = 0;
8538}
8539
8540
f10bfc9a
JM		 8541static int nl80211_send_eapol_data(struct i802_bss *bss,
8542 const u8 *addr, const u8 *data,
d12dab4c 8543 size_t data_len)
f10bfc9a 8544{
d12dab4c
JB		 8545 struct sockaddr_ll ll;
8546 int ret;
8547
8548 if (bss->drv->eapol_tx_sock < 0) {
8549 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 8550 return -1;
8551 }
8552
d12dab4c
JB		 8553 os_memset(&ll, 0, sizeof(ll));
8554 ll.sll_family = AF_PACKET;
8555 ll.sll_ifindex = bss->ifindex;
8556 ll.sll_protocol = htons(ETH_P_PAE);
8557 ll.sll_halen = ETH_ALEN;
8558 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
8559 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
8560 (struct sockaddr *) &ll, sizeof(ll));
8561 if (ret < 0)
8562 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
8563 strerror(errno));
8564
8565 return ret;
f10bfc9a 8566}
5fb1a232 8567
f10bfc9a 8568
db149ac9
JM		 8569static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
8570
8571static int wpa_driver_nl80211_hapd_send_eapol(
8572 void *priv, const u8 *addr, const u8 *data,
4378fc14 8573 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 8574{
a2e40bb6
FF		 8575 struct i802_bss *bss = priv;
8576 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 8577 struct ieee80211_hdr *hdr;
8578 size_t len;
8579 u8 *pos;
8580 int res;
4378fc14 8581 int qos = flags & WPA_STA_WMM;
db149ac9 8582
a11241fa 8583 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 8584 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 8585
db149ac9
JM		 8586 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
8587 data_len;
8588 hdr = os_zalloc(len);
8589 if (hdr == NULL) {
7ac3616d
JM		 8590 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
8591 (unsigned long) len);
db149ac9
JM		 8592 return -1;
8593 }
8594
8595 hdr->frame_control =
8596 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
8597 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
8598 if (encrypt)
8599 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 8600 if (qos) {
8601 hdr->frame_control |=
8602 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
8603 }
db149ac9
JM		 8604
8605 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8606 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8607 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8608 pos = (u8 *) (hdr + 1);
8609
db149ac9 8610 if (qos) {
92d521d8
FF		 8611 /* Set highest priority in QoS header */
8612 pos[0] = 7;
db149ac9
JM		 8613 pos[1] = 0;
8614 pos += 2;
8615 }
db149ac9
JM		 8616
8617 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
8618 pos += sizeof(rfc1042_header);
8619 WPA_PUT_BE16(pos, ETH_P_PAE);
8620 pos += 2;
8621 memcpy(pos, data, data_len);
8622
55231068
JM		 8623 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
8624 0, 0, 0, 0);
db149ac9
JM		 8625 if (res < 0) {
8626 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
8627 "failed: %d (%s)",
8628 (unsigned long) len, errno, strerror(errno));
8629 }
7bf12757 8630 os_free(hdr);
db149ac9
JM		 8631
8632 return res;
8633}
8634
a8d6ffa4 8635
3234cba4
JM		 8636static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
8637 int total_flags,
4c32757d 8638 int flags_or, int flags_and)
a8d6ffa4 8639{
a2e40bb6
FF		 8640 struct i802_bss *bss = priv;
8641 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 8642 struct nl_msg *msg;
8643 struct nlattr *flags;
7e76ee9c 8644 struct nl80211_sta_flag_update upd;
a8d6ffa4 8645
0cd9846c
JM		 8646 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
8647 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
8648 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
8649 !!(total_flags & WPA_STA_AUTHORIZED));
8650
a8d6ffa4
JM		 8651 msg = nlmsg_alloc();
8652 if (!msg)
8653 return -ENOMEM;
8654
9fb04070 8655 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
a8d6ffa4
JM		 8656
8657 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
3234cba4 8658 if_nametoindex(bss->ifname));
a8d6ffa4
JM		 8659 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
8660
7e76ee9c
JM		 8661 /*
8662 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
8663 * can be removed eventually.
8664 */
8970bae8
JB		 8665 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
8666 if (!flags)
8667 goto nla_put_failure;
0de39516 8668 if (total_flags & WPA_STA_AUTHORIZED)
8970bae8 8669 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_AUTHORIZED);
a8d6ffa4 8670
0de39516 8671 if (total_flags & WPA_STA_WMM)
8970bae8 8672 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_WME);
a8d6ffa4 8673
0de39516 8674 if (total_flags & WPA_STA_SHORT_PREAMBLE)
8970bae8 8675 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_SHORT_PREAMBLE);
a8d6ffa4 8676
0de39516 8677 if (total_flags & WPA_STA_MFP)
8970bae8 8678 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_MFP);
a8d6ffa4 8679
45b722f1 8680 if (total_flags & WPA_STA_TDLS_PEER)
8970bae8 8681 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_TDLS_PEER);
45b722f1 8682
8970bae8 8683 nla_nest_end(msg, flags);
a8d6ffa4 8684
7e76ee9c
JM		 8685 os_memset(&upd, 0, sizeof(upd));
8686 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
8687 upd.set = sta_flags_nl80211(flags_or);
8688 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
8689
a8d6ffa4
JM		 8690 return send_and_recv_msgs(drv, msg, NULL, NULL);
8691 nla_put_failure:
5883168a 8692 nlmsg_free(msg);
a8d6ffa4
JM		 8693 return -ENOBUFS;
8694}
8695
0915d02c 8696
1581b38b
JM		 8697static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
8698 struct wpa_driver_associate_params *params)
8699{
708bc8e0 8700 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 8701
8702 if (params->p2p) {
046b26a2
JM		 8703 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
8704 "group (GO)");
b1f625e0
EP		 8705 nlmode = NL80211_IFTYPE_P2P_GO;
8706 } else
8707 nlmode = NL80211_IFTYPE_AP;
8708
708bc8e0 8709 old_mode = drv->nlmode;
834ee56f 8710 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 8711 nl80211_remove_monitor_interface(drv);
8712 return -1;
8713 }
8714
4ec68377 8715 if (nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 8716 if (old_mode != nlmode)
834ee56f 8717 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 8718 nl80211_remove_monitor_interface(drv);
1581b38b 8719 return -1;
0915d02c 8720 }
1581b38b 8721
1581b38b
JM		 8722 return 0;
8723}
1581b38b
JM		 8724
8725
5cc4d64b
JM		 8726static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv)
8727{
8728 struct nl_msg *msg;
8729 int ret = -1;
8730
8731 msg = nlmsg_alloc();
8732 if (!msg)
8733 return -1;
8734
9fb04070 8735 nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b
JM		 8736 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8737 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8738 msg = NULL;
8739 if (ret) {
8740 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
8741 "(%s)", ret, strerror(-ret));
8742 goto nla_put_failure;
8743 }
8744
8745 ret = 0;
8746 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully");
8747
8748nla_put_failure:
834ee56f 8749 if (wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 8750 NL80211_IFTYPE_STATION)) {
8751 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
8752 "station mode");
8753 }
8754
5cc4d64b
JM		 8755 nlmsg_free(msg);
8756 return ret;
8757}
8758
8759
8760static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
8761 struct wpa_driver_associate_params *params)
8762{
8763 struct nl_msg *msg;
8764 int ret = -1;
8765 int count = 0;
8766
8767 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
8768
4ec68377 8769 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 8770 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
8771 "IBSS mode");
8772 return -1;
8773 }
8774
8775retry:
8776 msg = nlmsg_alloc();
8777 if (!msg)
8778 return -1;
8779
9fb04070 8780 nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS);
5cc4d64b
JM		 8781 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8782
8783 if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
8784 goto nla_put_failure;
8785
8786 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
8787 params->ssid, params->ssid_len);
8788 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
8789 params->ssid);
8790 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
8791 drv->ssid_len = params->ssid_len;
8792
4ec68377
JD		 8793 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
8794 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", params->freq.ht_enabled);
8795 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
8796 params->freq.sec_channel_offset);
8797 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", params->freq.vht_enabled);
8798 wpa_printf(MSG_DEBUG, " * center_freq1=%d", params->freq.center_freq1);
8799 wpa_printf(MSG_DEBUG, " * center_freq2=%d", params->freq.center_freq2);
8800 wpa_printf(MSG_DEBUG, " * bandwidth=%d", params->freq.bandwidth);
8801 if (nl80211_put_freq_params(msg, &params->freq) < 0)
8802 goto nla_put_failure;
5cc4d64b 8803
8f05577d
JM		 8804 if (params->beacon_int > 0) {
8805 wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int);
8806 NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL,
8807 params->beacon_int);
8808 }
8809
5cc4d64b
JM		 8810 ret = nl80211_set_conn_keys(params, msg);
8811 if (ret)
8812 goto nla_put_failure;
8813
913e3cf7
NC		 8814 if (params->bssid && params->fixed_bssid) {
8815 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
8816 MAC2STR(params->bssid));
8817 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
8818 }
8819
4848a38d
JM		 8820 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
8821 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
8822 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
8823 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c
AQ		 8824 wpa_printf(MSG_DEBUG, " * control port");
8825 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
8826 }
8827
a95795ad
JM		 8828 if (params->wpa_ie) {
8829 wpa_hexdump(MSG_DEBUG,
8830 " * Extra IEs for Beacon/Probe Response frames",
8831 params->wpa_ie, params->wpa_ie_len);
8832 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
8833 params->wpa_ie);
8834 }
8835
5cc4d64b
JM		 8836 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8837 msg = NULL;
8838 if (ret) {
8839 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
8840 ret, strerror(-ret));
8841 count++;
8842 if (ret == -EALREADY && count == 1) {
8843 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
8844 "forced leave");
8845 nl80211_leave_ibss(drv);
8846 nlmsg_free(msg);
8847 goto retry;
8848 }
8849
8850 goto nla_put_failure;
8851 }
8852 ret = 0;
8853 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully");
8854
8855nla_put_failure:
8856 nlmsg_free(msg);
8857 return ret;
8858}
8859
8860
a0bdd191
JM		 8861static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
8862 struct wpa_driver_associate_params *params,
8863 struct nl_msg *msg)
cfaab580 8864{
cfaab580 8865 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
a0bdd191 8866
cfaab580
ZY		 8867 if (params->bssid) {
8868 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
8869 MAC2STR(params->bssid));
8870 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
8871 }
a0bdd191 8872
7ac7fd43
DS		 8873 if (params->bssid_hint) {
8874 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
8875 MAC2STR(params->bssid_hint));
8876 NLA_PUT(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
8877 params->bssid_hint);
8878 }
8879
4ec68377
JD		 8880 if (params->freq.freq) {
8881 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
8882 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq.freq);
8883 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 8884 } else
8885 drv->assoc_freq = 0;
a0bdd191 8886
7ac7fd43
DS		 8887 if (params->freq_hint) {
8888 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
8889 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
8890 params->freq_hint);
8891 }
8892
1f6c0ab8
BS		 8893 if (params->bg_scan_period >= 0) {
8894 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
8895 params->bg_scan_period);
8896 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
8897 params->bg_scan_period);
8898 }
a0bdd191 8899
cfaab580
ZY		 8900 if (params->ssid) {
8901 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
8902 params->ssid, params->ssid_len);
8903 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
8904 params->ssid);
8905 if (params->ssid_len > sizeof(drv->ssid))
8906 goto nla_put_failure;
8907 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
8908 drv->ssid_len = params->ssid_len;
8909 }
a0bdd191 8910
cfaab580
ZY		 8911 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
8912 if (params->wpa_ie)
8913 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
8914 params->wpa_ie);
8915
64fa840a
JM		 8916 if (params->wpa_proto) {
8917 enum nl80211_wpa_versions ver = 0;
cfaab580 8918
64fa840a
JM		 8919 if (params->wpa_proto & WPA_PROTO_WPA)
8920 ver |= NL80211_WPA_VERSION_1;
8921 if (params->wpa_proto & WPA_PROTO_RSN)
8922 ver |= NL80211_WPA_VERSION_2;
cfaab580 8923
64fa840a 8924 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
cfaab580
ZY		 8925 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
8926 }
8927
4848a38d 8928 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 8929 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
8930 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
8931 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
cfaab580
ZY		 8932 }
8933
ae6f9272
JM		 8934 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
8935 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
8936 /*
8937 * This is likely to work even though many drivers do not
8938 * advertise support for operations without GTK.
8939 */
8940 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
8941 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 8942 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
8943 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
8944 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
cfaab580
ZY		 8945 }
8946
4848a38d
JM		 8947 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
8948 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
8949 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
8950 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 8951 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 8952 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
8953 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
8954 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
cfaab580
ZY		 8955 int mgmt = WLAN_AKM_SUITE_PSK;
8956
8957 switch (params->key_mgmt_suite) {
4848a38d 8958 case WPA_KEY_MGMT_CCKM:
369c8d7b
JM		 8959 mgmt = WLAN_AKM_SUITE_CCKM;
8960 break;
4848a38d 8961 case WPA_KEY_MGMT_IEEE8021X:
cfaab580
ZY		 8962 mgmt = WLAN_AKM_SUITE_8021X;
8963 break;
4848a38d 8964 case WPA_KEY_MGMT_FT_IEEE8021X:
6a1ce395
DG		 8965 mgmt = WLAN_AKM_SUITE_FT_8021X;
8966 break;
4848a38d 8967 case WPA_KEY_MGMT_FT_PSK:
6a1ce395
DG		 8968 mgmt = WLAN_AKM_SUITE_FT_PSK;
8969 break;
8802326f
JJ		 8970 case WPA_KEY_MGMT_IEEE8021X_SHA256:
8971 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
8972 break;
8973 case WPA_KEY_MGMT_PSK_SHA256:
8974 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
8975 break;
163f801e
JM		 8976 case WPA_KEY_MGMT_OSEN:
8977 mgmt = WLAN_AKM_SUITE_OSEN;
8978 break;
4848a38d 8979 case WPA_KEY_MGMT_PSK:
cfaab580
ZY		 8980 default:
8981 mgmt = WLAN_AKM_SUITE_PSK;
8982 break;
8983 }
163f801e 8984 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
cfaab580
ZY		 8985 NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt);
8986 }
8987
a0bdd191
JM		 8988 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
8989
8b706a99
JM		 8990 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
8991 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
a565084f 8992
80e8a5ee
BG		 8993 if (params->disable_ht)
8994 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
8995
8996 if (params->htcaps && params->htcaps_mask) {
8997 int sz = sizeof(struct ieee80211_ht_capabilities);
6d99bd80 8998 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
80e8a5ee 8999 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
6d99bd80
JM		 9000 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
9001 params->htcaps_mask, sz);
80e8a5ee
BG		 9002 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
9003 params->htcaps_mask);
9004 }
9005
e9ee8dc3
JB		 9006#ifdef CONFIG_VHT_OVERRIDES
9007 if (params->disable_vht) {
9008 wpa_printf(MSG_DEBUG, " * VHT disabled");
9009 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT);
9010 }
9011
9012 if (params->vhtcaps && params->vhtcaps_mask) {
9013 int sz = sizeof(struct ieee80211_vht_capabilities);
6d99bd80 9014 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
e9ee8dc3 9015 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps);
6d99bd80
JM		 9016 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
9017 params->vhtcaps_mask, sz);
e9ee8dc3
JB		 9018 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
9019 params->vhtcaps_mask);
9020 }
9021#endif /* CONFIG_VHT_OVERRIDES */
9022
a0bdd191
JM		 9023 if (params->p2p)
9024 wpa_printf(MSG_DEBUG, " * P2P group");
9025
9026 return 0;
9027nla_put_failure:
9028 return -1;
9029}
9030
9031
9032static int wpa_driver_nl80211_try_connect(
9033 struct wpa_driver_nl80211_data *drv,
9034 struct wpa_driver_associate_params *params)
9035{
9036 struct nl_msg *msg;
9037 enum nl80211_auth_type type;
9038 int ret;
9039 int algs;
9040
9041 msg = nlmsg_alloc();
9042 if (!msg)
9043 return -1;
9044
9045 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
9046 nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT);
9047
9048 ret = nl80211_connect_common(drv, params, msg);
9049 if (ret)
9050 goto nla_put_failure;
9051
9052 algs = 0;
9053 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
9054 algs++;
9055 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
9056 algs++;
9057 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
9058 algs++;
9059 if (algs > 1) {
9060 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
9061 "selection");
9062 goto skip_auth_type;
9063 }
9064
9065 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
9066 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
9067 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
9068 type = NL80211_AUTHTYPE_SHARED_KEY;
9069 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
9070 type = NL80211_AUTHTYPE_NETWORK_EAP;
9071 else if (params->auth_alg & WPA_AUTH_ALG_FT)
9072 type = NL80211_AUTHTYPE_FT;
9073 else
9074 goto nla_put_failure;
9075
9076 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
9077 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
9078
9079skip_auth_type:
cfaab580
ZY		 9080 ret = nl80211_set_conn_keys(params, msg);
9081 if (ret)
9082 goto nla_put_failure;
9083
9084 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9085 msg = NULL;
9086 if (ret) {
9087 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
9088 "(%s)", ret, strerror(-ret));
9089 goto nla_put_failure;
9090 }
9091 ret = 0;
9092 wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully");
9093
9094nla_put_failure:
9095 nlmsg_free(msg);
9096 return ret;
9097
9098}
9099
9100
a8c5b43a
CW		 9101static int wpa_driver_nl80211_connect(
9102 struct wpa_driver_nl80211_data *drv,
9103 struct wpa_driver_associate_params *params)
9104{
9105 int ret = wpa_driver_nl80211_try_connect(drv, params);
9106 if (ret == -EALREADY) {
9107 /*
9108 * cfg80211 does not currently accept new connections if
9109 * we are already connected. As a workaround, force
9110 * disconnection and try again.
9111 */
9112 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
9113 "disconnecting before reassociation "
9114 "attempt");
9115 if (wpa_driver_nl80211_disconnect(
9116 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
9117 return -1;
a8c5b43a
CW		 9118 ret = wpa_driver_nl80211_try_connect(drv, params);
9119 }
9120 return ret;
9121}
9122
9123
c2a04078
JM		 9124static int wpa_driver_nl80211_associate(
9125 void *priv, struct wpa_driver_associate_params *params)
9126{
a2e40bb6
FF		 9127 struct i802_bss *bss = priv;
9128 struct wpa_driver_nl80211_data *drv = bss->drv;
a0bdd191 9129 int ret;
c2a04078
JM		 9130 struct nl_msg *msg;
9131
5cc4d64b 9132 if (params->mode == IEEE80211_MODE_AP)
1581b38b 9133 return wpa_driver_nl80211_ap(drv, params);
1581b38b 9134
5cc4d64b
JM		 9135 if (params->mode == IEEE80211_MODE_IBSS)
9136 return wpa_driver_nl80211_ibss(drv, params);
9137
4a867032 9138 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 9139 enum nl80211_iftype nlmode = params->p2p ?
9140 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
9141
9142 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 9143 return -1;
cfaab580 9144 return wpa_driver_nl80211_connect(drv, params);
4a867032 9145 }
cfaab580 9146
add9b7a4 9147 nl80211_mark_disconnected(drv);
c2a04078
JM		 9148
9149 msg = nlmsg_alloc();
9150 if (!msg)
9151 return -1;
9152
9153 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
9154 drv->ifindex);
9fb04070 9155 nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE);
c2a04078 9156
a0bdd191
JM		 9157 ret = nl80211_connect_common(drv, params, msg);
9158 if (ret)
9159 goto nla_put_failure;
01652550 9160
62fa124c
JM		 9161 if (params->prev_bssid) {
9162 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
9163 MAC2STR(params->prev_bssid));
9164 NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
9165 params->prev_bssid);
9166 }
9167
c2a04078
JM		 9168 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9169 msg = NULL;
9170 if (ret) {
3b7ea880
BG		 9171 wpa_dbg(drv->ctx, MSG_DEBUG,
9172 "nl80211: MLME command failed (assoc): ret=%d (%s)",
9173 ret, strerror(-ret));
8856462d 9174 nl80211_dump_scan(drv);
c2a04078
JM		 9175 goto nla_put_failure;
9176 }
9177 ret = 0;
9178 wpa_printf(MSG_DEBUG, "nl80211: Association request send "
9179 "successfully");
9180
9181nla_put_failure:
9182 nlmsg_free(msg);
9183 return ret;
9184}
3f5285e8
JM		 9185
9186
ad1e68e6 9187static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 9188 int ifindex, enum nl80211_iftype mode)
3f5285e8 9189{
3f5285e8 9190 struct nl_msg *msg;
ad1e68e6
JM		 9191 int ret = -ENOBUFS;
9192
a1922f93
JM		 9193 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
9194 ifindex, mode, nl80211_iftype_str(mode));
9195
ad1e68e6
JM		 9196 msg = nlmsg_alloc();
9197 if (!msg)
9198 return -ENOMEM;
9199
9fb04070 9200 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE);
834ee56f 9201 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
f632e483 9202 goto nla_put_failure;
ad1e68e6
JM		 9203 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
9204
9205 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 9206 msg = NULL;
ad1e68e6
JM		 9207 if (!ret)
9208 return 0;
9209nla_put_failure:
5883168a 9210 nlmsg_free(msg);
ad1e68e6
JM		 9211 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
9212 " %d (%s)", ifindex, mode, ret, strerror(-ret));
9213 return ret;
9214}
9215
9216
3c5d34e3
CW		 9217static int wpa_driver_nl80211_set_mode_impl(
9218 struct i802_bss *bss,
9219 enum nl80211_iftype nlmode,
9220 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 9221{
a2e40bb6 9222 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 9223 int ret = -1;
26af9dca 9224 int i;
86957e62 9225 int was_ap = is_ap_interface(drv->nlmode);
671a5039 9226 int res;
ebffdbc4 9227 int mode_switch_res;
1581b38b 9228
ebffdbc4
CW		 9229 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
9230 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
9231 mode_switch_res = 0;
8e12685c 9232
ebffdbc4 9233 if (mode_switch_res == 0) {
ad1e68e6 9234 drv->nlmode = nlmode;
460456f8
JM		 9235 ret = 0;
9236 goto done;
ad1e68e6 9237 }
3f5285e8 9238
ebffdbc4 9239 if (mode_switch_res == -ENODEV)
671a5039
JM		 9240 return -1;
9241
460456f8 9242 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 9243 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
9244 "requested mode - ignore error");
460456f8
JM		 9245 ret = 0;
9246 goto done; /* Already in the requested mode */
9247 }
3f5285e8 9248
3f5285e8
JM		 9249 /* mac80211 doesn't allow mode changes while the device is up, so
9250 * take the device down, try to set the mode again, and bring the
9251 * device back up.
9252 */
26af9dca
JM		 9253 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
9254 "interface down");
9255 for (i = 0; i < 10; i++) {
91724d6f 9256 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 9257 if (res == -EACCES || res == -ENODEV)
9258 break;
ebffdbc4 9259 if (res != 0) {
26af9dca
JM		 9260 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
9261 "interface down");
ebffdbc4
CW		 9262 os_sleep(0, 100000);
9263 continue;
9264 }
3c5d34e3
CW		 9265
9266 /*
9267 * Setting the mode will fail for some drivers if the phy is
9268 * on a frequency that the mode is disallowed in.
9269 */
9270 if (desired_freq_params) {
9271 res = i802_set_freq(bss, desired_freq_params);
9272 if (res) {
9273 wpa_printf(MSG_DEBUG,
9274 "nl80211: Failed to set frequency on interface");
9275 }
9276 }
9277
ebffdbc4
CW		 9278 /* Try to set the mode again while the interface is down */
9279 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
9280 if (mode_switch_res == -EBUSY) {
9281 wpa_printf(MSG_DEBUG,
9282 "nl80211: Delaying mode set while interface going down");
9283 os_sleep(0, 100000);
9284 continue;
9285 }
9286 ret = mode_switch_res;
9287 break;
3f5285e8
JM		 9288 }
9289
c6e8e8e4
JM		 9290 if (!ret) {
9291 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
9292 "interface is down");
ad1e68e6 9293 drv->nlmode = nlmode;
7d9c3698 9294 drv->ignore_if_down_event = 1;
c6e8e8e4 9295 }
ad1e68e6 9296
ebffdbc4
CW		 9297 /* Bring the interface back up */
9298 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
9299 if (res != 0) {
9300 wpa_printf(MSG_DEBUG,
9301 "nl80211: Failed to set interface up after switching mode");
9302 ret = -1;
9303 }
9304
460456f8 9305done:
3fd1cefb
JB		 9306 if (ret) {
9307 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
9308 "from %d failed", nlmode, drv->nlmode);
9309 return ret;
9310 }
9311
6a71413e 9312 if (is_p2p_net_interface(nlmode))
edb9bfba 9313 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1d0c6fb1
JM		 9314 else if (drv->disabled_11b_rates)
9315 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
edb9bfba 9316
3fd1cefb 9317 if (is_ap_interface(nlmode)) {
36488c05 9318 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 9319 /* Setup additional AP mode functionality if needed */
3fd1cefb 9320 if (nl80211_setup_ap(bss))
460456f8 9321 return -1;
3fd1cefb 9322 } else if (was_ap) {
460456f8 9323 /* Remove additional AP mode functionality */
3fd1cefb 9324 nl80211_teardown_ap(bss);
a11241fa 9325 } else {
36488c05 9326 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 9327 }
460456f8 9328
873d0fcf 9329 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
a11241fa
JB		 9330 nl80211_mgmt_subscribe_non_ap(bss) < 0)
9331 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
9332 "frame processing - ignore for now");
08359050 9333
3fd1cefb 9334 return 0;
3f5285e8
JM		 9335}
9336
9337
65d645ce
AS		 9338static int dfs_info_handler(struct nl_msg *msg, void *arg)
9339{
9340 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9341 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9342 int *dfs_capability_ptr = arg;
9343
9344 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9345 genlmsg_attrlen(gnlh, 0), NULL);
9346
9347 if (tb[NL80211_ATTR_VENDOR_DATA]) {
9348 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
9349 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
9350
9351 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
9352 nla_data(nl_vend), nla_len(nl_vend), NULL);
9353
9354 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
9355 u32 val;
9356 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
9357 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
9358 val);
9359 *dfs_capability_ptr = val;
9360 }
9361 }
9362
9363 return NL_SKIP;
9364}
3c5d34e3
CW		 9365
9366
9367static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
9368 enum nl80211_iftype nlmode)
9369{
9370 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
9371}
9372
9373
4ec68377
JD		 9374static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
9375 struct hostapd_freq_params *freq)
3c5d34e3 9376{
3c5d34e3 9377 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 9378 freq);
3c5d34e3 9379}
65d645ce
AS		 9380
9381
3f5285e8
JM		 9382static int wpa_driver_nl80211_get_capa(void *priv,
9383 struct wpa_driver_capa *capa)
9384{
a2e40bb6
FF		 9385 struct i802_bss *bss = priv;
9386 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce
AS		 9387 struct nl_msg *msg;
9388 int dfs_capability = 0;
9389 int ret = 0;
9390
3f5285e8
JM		 9391 if (!drv->has_capability)
9392 return -1;
9393 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 9394 if (drv->extended_capa && drv->extended_capa_mask) {
9395 capa->extended_capa = drv->extended_capa;
9396 capa->extended_capa_mask = drv->extended_capa_mask;
9397 capa->extended_capa_len = drv->extended_capa_len;
9398 }
851b0c55
JM		 9399
9400 if ((capa->flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
9401 !drv->allow_p2p_device) {
9402 wpa_printf(MSG_DEBUG, "nl80211: Do not indicate P2P_DEVICE support (p2p_device=1 driver param not specified)");
9403 capa->flags &= ~WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
9404 }
9405
65d645ce
AS		 9406 if (drv->dfs_vendor_cmd_avail == 1) {
9407 msg = nlmsg_alloc();
9408 if (!msg)
9409 return -ENOMEM;
9410
9411 nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR);
9412
9413 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
9414 NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA);
9415 NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9416 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY);
9417
9418 ret = send_and_recv_msgs(drv, msg, dfs_info_handler,
9419 &dfs_capability);
9420 if (!ret) {
9421 if (dfs_capability)
9422 capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
9423 }
9424 }
9425
9426 return ret;
9427
9428 nla_put_failure:
9429 nlmsg_free(msg);
9430 return -ENOBUFS;
3f5285e8
JM		 9431}
9432
9433
9434static int wpa_driver_nl80211_set_operstate(void *priv, int state)
9435{
a2e40bb6
FF		 9436 struct i802_bss *bss = priv;
9437 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 9438
90a545cc
JM		 9439 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
9440 bss->ifname, drv->operstate, state,
9441 state ? "UP" : "DORMANT");
3f5285e8 9442 drv->operstate = state;
36d84860 9443 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 9444 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 9445}
9446
01652550
JM		 9447
9448static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
9449{
a2e40bb6
FF		 9450 struct i802_bss *bss = priv;
9451 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 9452 struct nl_msg *msg;
9453 struct nl80211_sta_flag_update upd;
2eef5177
JM		 9454 int ret = -ENOBUFS;
9455
9456 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
9457 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
9458 return 0;
9459 }
01652550 9460
1ba51ec0
JM		 9461 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
9462 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
9463
01652550
JM		 9464 msg = nlmsg_alloc();
9465 if (!msg)
9466 return -ENOMEM;
9467
9fb04070 9468 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
01652550
JM		 9469
9470 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 9471 if_nametoindex(bss->ifname));
01652550
JM		 9472 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
9473
9474 os_memset(&upd, 0, sizeof(upd));
9475 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
9476 if (authorized)
9477 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
9478 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
9479
2eef5177
JM		 9480 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9481 msg = NULL;
9482 if (!ret)
9483 return 0;
01652550 9484 nla_put_failure:
5883168a 9485 nlmsg_free(msg);
2eef5177
JM		 9486 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
9487 ret, strerror(-ret));
9488 return ret;
01652550
JM		 9489}
9490
3f5285e8 9491
f07ead6a
JM		 9492/* Set kernel driver on given frequency (MHz) */
9493static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 9494{
f07ead6a 9495 struct i802_bss *bss = priv;
13a524a3 9496 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 9497}
9498
f7b3920c 9499
c5121837
JM		 9500static inline int min_int(int a, int b)
9501{
9502 if (a < b)
9503 return a;
9504 return b;
9505}
9506
9507
9508static int get_key_handler(struct nl_msg *msg, void *arg)
9509{
9510 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9511 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9512
9513 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9514 genlmsg_attrlen(gnlh, 0), NULL);
9515
9516 /*
9517 * TODO: validate the key index and mac address!
9518 * Otherwise, there's a race condition as soon as
9519 * the kernel starts sending key notifications.
9520 */
9521
9522 if (tb[NL80211_ATTR_KEY_SEQ])
9523 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
9524 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
9525 return NL_SKIP;
9526}
9527
9528
9529static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
9530 int idx, u8 *seq)
9531{
a2e40bb6
FF		 9532 struct i802_bss *bss = priv;
9533 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 9534 struct nl_msg *msg;
9535
9536 msg = nlmsg_alloc();
9537 if (!msg)
9538 return -ENOMEM;
9539
9fb04070 9540 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY);
c5121837
JM		 9541
9542 if (addr)
9543 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
9544 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
9545 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
9546
9547 memset(seq, 0, 6);
9548
9549 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
9550 nla_put_failure:
9e088e74 9551 nlmsg_free(msg);
c5121837
JM		 9552 return -ENOBUFS;
9553}
9554
9555
c5121837
JM		 9556static int i802_set_rts(void *priv, int rts)
9557{
a2e40bb6
FF		 9558 struct i802_bss *bss = priv;
9559 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 9560 struct nl_msg *msg;
9561 int ret = -ENOBUFS;
9562 u32 val;
c5121837 9563
ad649451
JM		 9564 msg = nlmsg_alloc();
9565 if (!msg)
9566 return -ENOMEM;
c5121837 9567
ad649451
JM		 9568 if (rts >= 2347)
9569 val = (u32) -1;
9570 else
9571 val = rts;
c5121837 9572
9fb04070 9573 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 9574 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
9575 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val);
9576
9577 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 9578 msg = NULL;
ad649451
JM		 9579 if (!ret)
9580 return 0;
9581nla_put_failure:
5883168a 9582 nlmsg_free(msg);
ad649451
JM		 9583 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
9584 "%d (%s)", rts, ret, strerror(-ret));
9585 return ret;
c5121837
JM		 9586}
9587
9588
9589static int i802_set_frag(void *priv, int frag)
9590{
a2e40bb6
FF		 9591 struct i802_bss *bss = priv;
9592 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 9593 struct nl_msg *msg;
9594 int ret = -ENOBUFS;
9595 u32 val;
c5121837 9596
ad649451
JM		 9597 msg = nlmsg_alloc();
9598 if (!msg)
9599 return -ENOMEM;
c5121837 9600
ad649451
JM		 9601 if (frag >= 2346)
9602 val = (u32) -1;
9603 else
9604 val = frag;
c5121837 9605
9fb04070 9606 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 9607 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
9608 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val);
9609
9610 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 9611 msg = NULL;
ad649451
JM		 9612 if (!ret)
9613 return 0;
9614nla_put_failure:
5883168a 9615 nlmsg_free(msg);
ad649451
JM		 9616 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
9617 "%d: %d (%s)", frag, ret, strerror(-ret));
9618 return ret;
c5121837
JM		 9619}
9620
9621
c5121837
JM		 9622static int i802_flush(void *priv)
9623{
a2e40bb6
FF		 9624 struct i802_bss *bss = priv;
9625 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 9626 struct nl_msg *msg;
82554b10 9627 int res;
c5121837
JM		 9628
9629 msg = nlmsg_alloc();
9630 if (!msg)
9631 return -1;
9632
83e7bb0e
JM		 9633 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
9634 bss->ifname);
9fb04070 9635 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
c5121837
JM		 9636
9637 /*
9638 * XXX: FIX! this needs to flush all VLANs too
9639 */
9640 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 9641 if_nametoindex(bss->ifname));
c5121837 9642
82554b10
JM		 9643 res = send_and_recv_msgs(drv, msg, NULL, NULL);
9644 if (res) {
9645 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
9646 "(%s)", res, strerror(-res));
9647 }
9648 return res;
c5121837 9649 nla_put_failure:
9e088e74 9650 nlmsg_free(msg);
c5121837
JM		 9651 return -ENOBUFS;
9652}
9653
9654
9655static int get_sta_handler(struct nl_msg *msg, void *arg)
9656{
9657 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9658 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9659 struct hostap_sta_driver_data *data = arg;
9660 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
9661 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
9662 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
9663 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
9664 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
9665 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
9666 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 9667 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
c5121837
JM		 9668 };
9669
9670 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9671 genlmsg_attrlen(gnlh, 0), NULL);
9672
9673 /*
9674 * TODO: validate the interface and mac address!
9675 * Otherwise, there's a race condition as soon as
9676 * the kernel starts sending station notifications.
9677 */
9678
9679 if (!tb[NL80211_ATTR_STA_INFO]) {
9680 wpa_printf(MSG_DEBUG, "sta stats missing!");
9681 return NL_SKIP;
9682 }
9683 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
9684 tb[NL80211_ATTR_STA_INFO],
9685 stats_policy)) {
9686 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
9687 return NL_SKIP;
9688 }
9689
9690 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
9691 data->inactive_msec =
9692 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
9693 if (stats[NL80211_STA_INFO_RX_BYTES])
9694 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
9695 if (stats[NL80211_STA_INFO_TX_BYTES])
9696 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
9697 if (stats[NL80211_STA_INFO_RX_PACKETS])
9698 data->rx_packets =
9699 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
9700 if (stats[NL80211_STA_INFO_TX_PACKETS])
9701 data->tx_packets =
9702 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 9703 if (stats[NL80211_STA_INFO_TX_FAILED])
9704 data->tx_retry_failed =
9705 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 9706
9707 return NL_SKIP;
9708}
9709
9ebce9c5
JM		 9710static int i802_read_sta_data(struct i802_bss *bss,
9711 struct hostap_sta_driver_data *data,
c5121837
JM		 9712 const u8 *addr)
9713{
a2e40bb6 9714 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 9715 struct nl_msg *msg;
9716
9717 os_memset(data, 0, sizeof(*data));
9718 msg = nlmsg_alloc();
9719 if (!msg)
9720 return -ENOMEM;
9721
9fb04070 9722 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
c5121837
JM		 9723
9724 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
a2e40bb6 9725 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 9726
9727 return send_and_recv_msgs(drv, msg, get_sta_handler, data);
9728 nla_put_failure:
9e088e74 9729 nlmsg_free(msg);
c5121837
JM		 9730 return -ENOBUFS;
9731}
9732
9733
c5121837
JM		 9734static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
9735 int cw_min, int cw_max, int burst_time)
9736{
a2e40bb6
FF		 9737 struct i802_bss *bss = priv;
9738 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 9739 struct nl_msg *msg;
9740 struct nlattr *txq, *params;
9741
9742 msg = nlmsg_alloc();
9743 if (!msg)
9744 return -1;
9745
9fb04070 9746 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
c5121837 9747
a2e40bb6 9748 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 9749
9750 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
9751 if (!txq)
9752 goto nla_put_failure;
9753
9754 /* We are only sending parameters for a single TXQ at a time */
9755 params = nla_nest_start(msg, 1);
9756 if (!params)
9757 goto nla_put_failure;
9758
7e3c1781
JM		 9759 switch (queue) {
9760 case 0:
9761 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO);
9762 break;
9763 case 1:
9764 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI);
9765 break;
9766 case 2:
9767 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE);
9768 break;
9769 case 3:
9770 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK);
9771 break;
9772 }
c5121837
JM		 9773 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
9774 * 32 usec, so need to convert the value here. */
9775 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
9776 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
9777 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
9778 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
9779
9780 nla_nest_end(msg, params);
9781
9782 nla_nest_end(msg, txq);
9783
9784 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
9785 return 0;
9e088e74 9786 msg = NULL;
c5121837 9787 nla_put_failure:
9e088e74 9788 nlmsg_free(msg);
c5121837
JM		 9789 return -1;
9790}
9791
9792
9ebce9c5 9793static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 9794 const char *ifname, int vlan_id)
9795{
a2e40bb6 9796 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 9797 struct nl_msg *msg;
cd1d72c1 9798 int ret = -ENOBUFS;
c5121837
JM		 9799
9800 msg = nlmsg_alloc();
9801 if (!msg)
9802 return -ENOMEM;
9803
bbc706a3
JM		 9804 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
9805 ", ifname=%s[%d], vlan_id=%d)",
9806 bss->ifname, if_nametoindex(bss->ifname),
9807 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
9fb04070 9808 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
c5121837
JM		 9809
9810 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 9811 if_nametoindex(bss->ifname));
c5121837 9812 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
1c766b09 9813 NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
c5121837
JM		 9814 if_nametoindex(ifname));
9815
cd1d72c1 9816 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9e088e74 9817 msg = NULL;
cd1d72c1
JM		 9818 if (ret < 0) {
9819 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
9820 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
9821 MAC2STR(addr), ifname, vlan_id, ret,
9822 strerror(-ret));
9823 }
c5121837 9824 nla_put_failure:
9e088e74 9825 nlmsg_free(msg);
cd1d72c1 9826 return ret;
c5121837
JM		 9827}
9828
fbbfcbac 9829
c5121837
JM		 9830static int i802_get_inact_sec(void *priv, const u8 *addr)
9831{
9832 struct hostap_sta_driver_data data;
9833 int ret;
9834
9835 data.inactive_msec = (unsigned long) -1;
9836 ret = i802_read_sta_data(priv, &data, addr);
9837 if (ret || data.inactive_msec == (unsigned long) -1)
9838 return -1;
9839 return data.inactive_msec / 1000;
9840}
9841
9842
9843static int i802_sta_clear_stats(void *priv, const u8 *addr)
9844{
9845#if 0
9846 /* TODO */
9847#endif
9848 return 0;
9849}
9850
9851
731723a5
JM		 9852static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
9853 int reason)
c5121837 9854{
a2e40bb6 9855 struct i802_bss *bss = priv;
e1bd4e19 9856 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 9857 struct ieee80211_mgmt mgmt;
9858
e1bd4e19 9859 if (drv->device_ap_sme)
59d7148a 9860 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 9861
c5121837
JM		 9862 memset(&mgmt, 0, sizeof(mgmt));
9863 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
9864 WLAN_FC_STYPE_DEAUTH);
9865 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 9866 memcpy(mgmt.sa, own_addr, ETH_ALEN);
9867 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 9868 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 9869 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 9870 IEEE80211_HDRLEN +
9ebce9c5
JM		 9871 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
9872 0);
c5121837
JM		 9873}
9874
9875
731723a5
JM		 9876static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
9877 int reason)
c5121837 9878{
a2e40bb6 9879 struct i802_bss *bss = priv;
e1bd4e19 9880 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 9881 struct ieee80211_mgmt mgmt;
9882
e1bd4e19 9883 if (drv->device_ap_sme)
59d7148a 9884 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 9885
c5121837
JM		 9886 memset(&mgmt, 0, sizeof(mgmt));
9887 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
9888 WLAN_FC_STYPE_DISASSOC);
9889 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 9890 memcpy(mgmt.sa, own_addr, ETH_ALEN);
9891 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 9892 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 9893 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 9894 IEEE80211_HDRLEN +
9ebce9c5
JM		 9895 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
9896 0);
c5121837
JM		 9897}
9898
9899
9b4d9c8b
JM		 9900static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
9901{
9902 char buf[200], *pos, *end;
9903 int i, res;
9904
9905 pos = buf;
9906 end = pos + sizeof(buf);
9907
9908 for (i = 0; i < drv->num_if_indices; i++) {
9909 if (!drv->if_indices[i])
9910 continue;
9911 res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]);
9912 if (res < 0 || res >= end - pos)
9913 break;
9914 pos += res;
9915 }
9916 *pos = '\0';
9917
9918 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
9919 drv->num_if_indices, buf);
9920}
9921
9922
f07ead6a
JM		 9923static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
9924{
9925 int i;
9926 int *old;
9927
9928 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
9929 ifidx);
b36935be
MB		 9930 if (have_ifidx(drv, ifidx)) {
9931 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
9932 ifidx);
9933 return;
9934 }
f07ead6a
JM		 9935 for (i = 0; i < drv->num_if_indices; i++) {
9936 if (drv->if_indices[i] == 0) {
9937 drv->if_indices[i] = ifidx;
9b4d9c8b 9938 dump_ifidx(drv);
f07ead6a
JM		 9939 return;
9940 }
9941 }
9942
9943 if (drv->if_indices != drv->default_if_indices)
9944 old = drv->if_indices;
9945 else
9946 old = NULL;
9947
067ffa26
JM		 9948 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
9949 sizeof(int));
f07ead6a
JM		 9950 if (!drv->if_indices) {
9951 if (!old)
9952 drv->if_indices = drv->default_if_indices;
9953 else
9954 drv->if_indices = old;
9955 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
9956 "interfaces");
9957 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
9958 return;
9959 } else if (!old)
9960 os_memcpy(drv->if_indices, drv->default_if_indices,
9961 sizeof(drv->default_if_indices));
9962 drv->if_indices[drv->num_if_indices] = ifidx;
9963 drv->num_if_indices++;
9b4d9c8b 9964 dump_ifidx(drv);
f07ead6a
JM		 9965}
9966
9967
9968static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
9969{
9970 int i;
9971
9972 for (i = 0; i < drv->num_if_indices; i++) {
9973 if (drv->if_indices[i] == ifidx) {
9974 drv->if_indices[i] = 0;
9975 break;
9976 }
9977 }
9b4d9c8b 9978 dump_ifidx(drv);
f07ead6a
JM		 9979}
9980
9981
9982static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
9983{
9984 int i;
9985
9986 for (i = 0; i < drv->num_if_indices; i++)
9987 if (drv->if_indices[i] == ifidx)
9988 return 1;
9989
9990 return 0;
9991}
9992
9993
9994static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 9995 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 9996{
9997 struct i802_bss *bss = priv;
9998 struct wpa_driver_nl80211_data *drv = bss->drv;
9999 char name[IFNAMSIZ + 1];
10000
10001 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 10002 if (ifname_wds)
10003 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
10004
f07ead6a
JM		 10005 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
10006 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
10007 if (val) {
10008 if (!if_nametoindex(name)) {
10009 if (nl80211_create_iface(drv, name,
10010 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 10011 bss->addr, 1, NULL, NULL, 0) <
10012 0)
f07ead6a
JM		 10013 return -1;
10014 if (bridge_ifname &&
c81eff1a
BG		 10015 linux_br_add_if(drv->global->ioctl_sock,
10016 bridge_ifname, name) < 0)
f07ead6a
JM		 10017 return -1;
10018 }
75227f3a
JM		 10019 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
10020 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
10021 "interface %s up", name);
10022 }
f07ead6a
JM		 10023 return i802_set_sta_vlan(priv, addr, name, 0);
10024 } else {
c34e618d
FF		 10025 if (bridge_ifname)
10026 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
10027 name);
10028
f07ead6a 10029 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25
FF		 10030 nl80211_remove_iface(drv, if_nametoindex(name));
10031 return 0;
f07ead6a
JM		 10032 }
10033}
10034
10035
10036static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
10037{
10038 struct wpa_driver_nl80211_data *drv = eloop_ctx;
10039 struct sockaddr_ll lladdr;
10040 unsigned char buf[3000];
10041 int len;
10042 socklen_t fromlen = sizeof(lladdr);
10043
10044 len = recvfrom(sock, buf, sizeof(buf), 0,
10045 (struct sockaddr *)&lladdr, &fromlen);
10046 if (len < 0) {
7ac3616d
JM		 10047 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
10048 strerror(errno));
f07ead6a
JM		 10049 return;
10050 }
10051
10052 if (have_ifidx(drv, lladdr.sll_ifindex))
10053 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
10054}
10055
10056
94627f6c 10057static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 10058 struct i802_bss *bss,
94627f6c
JM		 10059 const char *brname, const char *ifname)
10060{
10061 int ifindex;
10062 char in_br[IFNAMSIZ];
10063
e17a2477 10064 os_strlcpy(bss->brname, brname, IFNAMSIZ);
94627f6c
JM		 10065 ifindex = if_nametoindex(brname);
10066 if (ifindex == 0) {
10067 /*
10068 * Bridge was configured, but the bridge device does
10069 * not exist. Try to add it now.
10070 */
c81eff1a 10071 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 10072 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
10073 "bridge interface %s: %s",
10074 brname, strerror(errno));
10075 return -1;
10076 }
e17a2477 10077 bss->added_bridge = 1;
94627f6c
JM		 10078 add_ifidx(drv, if_nametoindex(brname));
10079 }
10080
10081 if (linux_br_get(in_br, ifname) == 0) {
10082 if (os_strcmp(in_br, brname) == 0)
10083 return 0; /* already in the bridge */
10084
10085 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
10086 "bridge %s", ifname, in_br);
c81eff1a
BG		 10087 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
10088 0) {
94627f6c
JM		 10089 wpa_printf(MSG_ERROR, "nl80211: Failed to "
10090 "remove interface %s from bridge "
10091 "%s: %s",
10092 ifname, brname, strerror(errno));
10093 return -1;
10094 }
10095 }
10096
10097 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
10098 ifname, brname);
c81eff1a 10099 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 10100 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
10101 "into bridge %s: %s",
10102 ifname, brname, strerror(errno));
10103 return -1;
10104 }
e17a2477 10105 bss->added_if_into_bridge = 1;
94627f6c
JM		 10106
10107 return 0;
10108}
10109
10110
92f475b4
JM		 10111static void *i802_init(struct hostapd_data *hapd,
10112 struct wpa_init_params *params)
c5121837
JM		 10113{
10114 struct wpa_driver_nl80211_data *drv;
a2e40bb6 10115 struct i802_bss *bss;
c5121837 10116 size_t i;
94627f6c
JM		 10117 char brname[IFNAMSIZ];
10118 int ifindex, br_ifindex;
10119 int br_added = 0;
c5121837 10120
0d547d5f
JM		 10121 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
10122 params->global_priv, 1,
10123 params->bssid);
a2e40bb6 10124 if (bss == NULL)
c5121837 10125 return NULL;
c5121837 10126
a2e40bb6 10127 drv = bss->drv;
7635bfb0 10128
94627f6c
JM		 10129 if (linux_br_get(brname, params->ifname) == 0) {
10130 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
10131 params->ifname, brname);
10132 br_ifindex = if_nametoindex(brname);
10133 } else {
10134 brname[0] = '\0';
10135 br_ifindex = 0;
10136 }
10137
92f475b4 10138 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 10139 if (params->bridge[i]) {
10140 ifindex = if_nametoindex(params->bridge[i]);
10141 if (ifindex)
10142 add_ifidx(drv, ifindex);
10143 if (ifindex == br_ifindex)
10144 br_added = 1;
10145 }
c5121837 10146 }
94627f6c
JM		 10147 if (!br_added && br_ifindex &&
10148 (params->num_bridge == 0 || !params->bridge[0]))
10149 add_ifidx(drv, br_ifindex);
c5121837 10150
ad1e68e6
JM		 10151 /* start listening for EAPOL on the default AP interface */
10152 add_ifidx(drv, drv->ifindex);
10153
94627f6c 10154 if (params->num_bridge && params->bridge[0] &&
e17a2477 10155 i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0)
94627f6c
JM		 10156 goto failed;
10157
97ed9a06
KP		 10158#ifdef CONFIG_LIBNL3_ROUTE
10159 if (bss->added_if_into_bridge) {
10160 drv->rtnl_sk = nl_socket_alloc();
10161 if (drv->rtnl_sk == NULL) {
10162 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
10163 goto failed;
10164 }
10165
10166 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
10167 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
10168 strerror(errno));
10169 goto failed;
10170 }
10171 }
10172#endif /* CONFIG_LIBNL3_ROUTE */
10173
ad1e68e6
JM		 10174 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
10175 if (drv->eapol_sock < 0) {
7ac3616d
JM		 10176 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
10177 strerror(errno));
bbaf0837 10178 goto failed;
ad1e68e6
JM		 10179 }
10180
10181 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
10182 {
7ac3616d 10183 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 10184 goto failed;
ad1e68e6
JM		 10185 }
10186
c81eff1a
BG		 10187 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
10188 params->own_addr))
bbaf0837 10189 goto failed;
fee354c7 10190 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 10191
341eebee
JB		 10192 memcpy(bss->addr, params->own_addr, ETH_ALEN);
10193
a2e40bb6 10194 return bss;
c5121837
JM		 10195
10196failed:
7635bfb0 10197 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 10198 return NULL;
10199}
c5121837 10200
c5121837 10201
bbaf0837
JM		 10202static void i802_deinit(void *priv)
10203{
9ebce9c5
JM		 10204 struct i802_bss *bss = priv;
10205 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 10206}
10207
c5121837 10208
22a7c9d7
JM		 10209static enum nl80211_iftype wpa_driver_nl80211_if_type(
10210 enum wpa_driver_if_type type)
10211{
10212 switch (type) {
10213 case WPA_IF_STATION:
9f51b113 10214 return NL80211_IFTYPE_STATION;
75bde05d
JM		 10215 case WPA_IF_P2P_CLIENT:
10216 case WPA_IF_P2P_GROUP:
9f51b113 10217 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 10218 case WPA_IF_AP_VLAN:
10219 return NL80211_IFTYPE_AP_VLAN;
10220 case WPA_IF_AP_BSS:
10221 return NL80211_IFTYPE_AP;
9f51b113
JB		 10222 case WPA_IF_P2P_GO:
10223 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 10224 case WPA_IF_P2P_DEVICE:
10225 return NL80211_IFTYPE_P2P_DEVICE;
22a7c9d7
JM		 10226 }
10227 return -1;
10228}
10229
10230
482856c8
JM		 10231#ifdef CONFIG_P2P
10232
f2ed8023
JM		 10233static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
10234{
10235 struct wpa_driver_nl80211_data *drv;
10236 dl_list_for_each(drv, &global->interfaces,
10237 struct wpa_driver_nl80211_data, list) {
834ee56f 10238 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 10239 return 1;
10240 }
10241 return 0;
10242}
10243
10244
10245static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv,
10246 u8 *new_addr)
10247{
10248 unsigned int idx;
10249
10250 if (!drv->global)
10251 return -1;
10252
834ee56f 10253 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 10254 for (idx = 0; idx < 64; idx++) {
834ee56f 10255 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 10256 new_addr[0] ^= idx << 2;
10257 if (!nl80211_addr_in_use(drv->global, new_addr))
10258 break;
10259 }
10260 if (idx == 64)
10261 return -1;
10262
10263 wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address "
10264 MACSTR, MAC2STR(new_addr));
10265
10266 return 0;
10267}
10268
482856c8
JM		 10269#endif /* CONFIG_P2P */
10270
f2ed8023 10271
f632e483
AS		 10272struct wdev_info {
10273 u64 wdev_id;
10274 int wdev_id_set;
10275 u8 macaddr[ETH_ALEN];
10276};
10277
10278static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 10279{
10280 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10281 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 10282 struct wdev_info *wi = arg;
e472e1b4
AS		 10283
10284 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10285 genlmsg_attrlen(gnlh, 0), NULL);
10286 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 10287 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
10288 wi->wdev_id_set = 1;
e472e1b4
AS		 10289 }
10290
10291 if (tb[NL80211_ATTR_MAC])
f632e483 10292 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 10293 ETH_ALEN);
10294
10295 return NL_SKIP;
10296}
10297
10298
7ab68865 10299static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 10300 const char *ifname, const u8 *addr,
f3585c8a 10301 void *bss_ctx, void **drv_priv,
e17a2477 10302 char *force_ifname, u8 *if_addr,
2aec4f3c 10303 const char *bridge, int use_existing)
22a7c9d7 10304{
e472e1b4 10305 enum nl80211_iftype nlmode;
a2e40bb6
FF		 10306 struct i802_bss *bss = priv;
10307 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 10308 int ifidx;
2aec4f3c 10309 int added = 1;
22a7c9d7 10310
f3585c8a
JM		 10311 if (addr)
10312 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 10313 nlmode = wpa_driver_nl80211_if_type(type);
10314 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 10315 struct wdev_info p2pdev_info;
10316
10317 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 10318 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 10319 0, nl80211_wdev_handler,
2aec4f3c 10320 &p2pdev_info, use_existing);
f632e483 10321 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 10322 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
10323 ifname);
e472e1b4
AS		 10324 return -1;
10325 }
f632e483
AS		 10326
10327 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
10328 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
10329 if (!is_zero_ether_addr(p2pdev_info.macaddr))
10330 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
10331 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
10332 ifname,
10333 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 10334 } else {
10335 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 10336 0, NULL, NULL, use_existing);
10337 if (use_existing && ifidx == -ENFILE) {
10338 added = 0;
10339 ifidx = if_nametoindex(ifname);
10340 } else if (ifidx < 0) {
e472e1b4
AS		 10341 return -1;
10342 }
22a7c9d7
JM		 10343 }
10344
ab7a1add
AS		 10345 if (!addr) {
10346 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
10347 os_memcpy(if_addr, bss->addr, ETH_ALEN);
10348 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
10349 bss->ifname, if_addr) < 0) {
2aec4f3c
JM		 10350 if (added)
10351 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 10352 return -1;
10353 }
c55f774d
JM		 10354 }
10355
10356#ifdef CONFIG_P2P
10357 if (!addr &&
10358 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
10359 type == WPA_IF_P2P_GO)) {
10360 /* Enforce unique P2P Interface Address */
ab7a1add 10361 u8 new_addr[ETH_ALEN];
c55f774d 10362
ab7a1add 10363 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 10364 new_addr) < 0) {
ea39367c
MK		 10365 if (added)
10366 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 10367 return -1;
10368 }
f608081c 10369 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d
JM		 10370 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
10371 "for P2P group interface");
f2ed8023 10372 if (nl80211_p2p_interface_addr(drv, new_addr) < 0) {
ea39367c
MK		 10373 if (added)
10374 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 10375 return -1;
10376 }
c81eff1a 10377 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 10378 new_addr) < 0) {
ea39367c
MK		 10379 if (added)
10380 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 10381 return -1;
10382 }
c55f774d 10383 }
f67eeb5c 10384 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d
JM		 10385 }
10386#endif /* CONFIG_P2P */
f3585c8a 10387
22a7c9d7 10388 if (type == WPA_IF_AP_BSS) {
f5eb9da3
JM		 10389 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
10390 if (new_bss == NULL) {
2aec4f3c
JM		 10391 if (added)
10392 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 10393 return -1;
10394 }
10395
10396 if (bridge &&
10397 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
10398 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
10399 "interface %s to a bridge %s",
10400 ifname, bridge);
2aec4f3c
JM		 10401 if (added)
10402 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 10403 os_free(new_bss);
10404 return -1;
10405 }
10406
c81eff1a
BG		 10407 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
10408 {
ea39367c
MK		 10409 if (added)
10410 nl80211_remove_iface(drv, ifidx);
07179987 10411 os_free(new_bss);
22a7c9d7
JM		 10412 return -1;
10413 }
a2e40bb6 10414 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 10415 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 10416 new_bss->ifindex = ifidx;
10417 new_bss->drv = drv;
834ee56f
KP		 10418 new_bss->next = drv->first_bss->next;
10419 new_bss->freq = drv->first_bss->freq;
a5e1eb20 10420 new_bss->ctx = bss_ctx;
2aec4f3c 10421 new_bss->added_if = added;
834ee56f 10422 drv->first_bss->next = new_bss;
a2e40bb6
FF		 10423 if (drv_priv)
10424 *drv_priv = new_bss;
cc7a48d1 10425 nl80211_init_bss(new_bss);
3dd1d890
YAP		 10426
10427 /* Subscribe management frames for this WPA_IF_AP_BSS */
10428 if (nl80211_setup_ap(new_bss))
10429 return -1;
22a7c9d7 10430 }
22a7c9d7 10431
ff6a158b
JM		 10432 if (drv->global)
10433 drv->global->if_add_ifindex = ifidx;
10434
d1bb7aed
JJ		 10435 /*
10436 * Some virtual interfaces need to process EAPOL packets and events on
10437 * the parent interface. This is used mainly with hostapd.
10438 */
10439 if (ifidx > 0 &&
10440 (drv->hostapd ||
10441 nlmode == NL80211_IFTYPE_AP_VLAN ||
10442 nlmode == NL80211_IFTYPE_WDS ||
10443 nlmode == NL80211_IFTYPE_MONITOR))
b36935be
MB		 10444 add_ifidx(drv, ifidx);
10445
22a7c9d7
JM		 10446 return 0;
10447}
10448
10449
9ebce9c5 10450static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 10451 enum wpa_driver_if_type type,
10452 const char *ifname)
10453{
a2e40bb6 10454 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 10455 int ifindex = if_nametoindex(ifname);
10456
2aec4f3c
JM		 10457 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
10458 __func__, type, ifname, ifindex, bss->added_if);
158b090c 10459 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 10460 nl80211_remove_iface(drv, ifindex);
de884303
JM		 10461 else if (ifindex > 0 && !bss->added_if) {
10462 struct wpa_driver_nl80211_data *drv2;
10463 dl_list_for_each(drv2, &drv->global->interfaces,
10464 struct wpa_driver_nl80211_data, list)
10465 del_ifidx(drv2, ifindex);
10466 }
c34e618d 10467
c34e618d
FF		 10468 if (type != WPA_IF_AP_BSS)
10469 return 0;
10470
e17a2477 10471 if (bss->added_if_into_bridge) {
c81eff1a
BG		 10472 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
10473 bss->ifname) < 0)
e17a2477
JM		 10474 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
10475 "interface %s from bridge %s: %s",
10476 bss->ifname, bss->brname, strerror(errno));
10477 }
10478 if (bss->added_bridge) {
c81eff1a 10479 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 10480 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
10481 "bridge %s: %s",
10482 bss->brname, strerror(errno));
10483 }
a2e40bb6 10484
834ee56f 10485 if (bss != drv->first_bss) {
8546ea19 10486 struct i802_bss *tbss;
a2e40bb6 10487
2aec4f3c 10488 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 10489 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 10490 if (tbss->next == bss) {
10491 tbss->next = bss->next;
3dd1d890
YAP		 10492 /* Unsubscribe management frames */
10493 nl80211_teardown_ap(bss);
cc7a48d1 10494 nl80211_destroy_bss(bss);
5c9da160
MB		 10495 if (!bss->added_if)
10496 i802_set_iface_flags(bss, 0);
8546ea19
JM		 10497 os_free(bss);
10498 bss = NULL;
10499 break;
10500 }
22a7c9d7 10501 }
8546ea19
JM		 10502 if (bss)
10503 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
10504 "BSS %p in the list", __func__, bss);
390e489c 10505 } else {
2aec4f3c 10506 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 10507 nl80211_teardown_ap(bss);
2aec4f3c
JM		 10508 if (!bss->added_if && !drv->first_bss->next)
10509 wpa_driver_nl80211_del_beacon(drv);
390e489c 10510 nl80211_destroy_bss(bss);
2aec4f3c
JM		 10511 if (!bss->added_if)
10512 i802_set_iface_flags(bss, 0);
390e489c
KP		 10513 if (drv->first_bss->next) {
10514 drv->first_bss = drv->first_bss->next;
10515 drv->ctx = drv->first_bss->ctx;
10516 os_free(bss);
10517 } else {
10518 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
10519 }
22a7c9d7 10520 }
22a7c9d7
JM		 10521
10522 return 0;
10523}
10524
10525
55777702
JM		 10526static int cookie_handler(struct nl_msg *msg, void *arg)
10527{
10528 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10529 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10530 u64 *cookie = arg;
10531 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10532 genlmsg_attrlen(gnlh, 0), NULL);
10533 if (tb[NL80211_ATTR_COOKIE])
10534 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
10535 return NL_SKIP;
10536}
10537
10538
88df0ef7 10539static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 10540 unsigned int freq, unsigned int wait,
10541 const u8 *buf, size_t buf_len,
88df0ef7
JB		 10542 u64 *cookie_out, int no_cck, int no_ack,
10543 int offchanok)
9884f9cc 10544{
88df0ef7 10545 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 10546 struct nl_msg *msg;
10547 u64 cookie;
10548 int ret = -1;
10549
10550 msg = nlmsg_alloc();
10551 if (!msg)
10552 return -1;
10553
cc2ada86 10554 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 10555 "no_ack=%d offchanok=%d",
10556 freq, wait, no_cck, no_ack, offchanok);
c91f796f 10557 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9fb04070 10558 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME);
9884f9cc 10559
f632e483 10560 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80 10561 goto nla_put_failure;
c91f796f
NC		 10562 if (freq)
10563 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9db931ed
JM		 10564 if (wait)
10565 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
64abb725
JM		 10566 if (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
10567 drv->test_use_roc_tx))
88df0ef7 10568 NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
b106173a
JM		 10569 if (no_cck)
10570 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
ddc53271
JM		 10571 if (no_ack)
10572 NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK);
970fa12e 10573
9884f9cc
JB		 10574 NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
10575
10576 cookie = 0;
10577 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
10578 msg = NULL;
10579 if (ret) {
10580 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 10581 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
10582 freq, wait);
9884f9cc
JB		 10583 goto nla_put_failure;
10584 }
cc2ada86 10585 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
ddc53271
JM		 10586 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
10587 (long long unsigned int) cookie);
9884f9cc
JB		 10588
10589 if (cookie_out)
ddc53271 10590 *cookie_out = no_ack ? (u64) -1 : cookie;
9884f9cc
JB		 10591
10592nla_put_failure:
10593 nlmsg_free(msg);
10594 return ret;
10595}
10596
10597
9ebce9c5
JM		 10598static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
10599 unsigned int freq,
190b9062 10600 unsigned int wait_time,
58f6fbe0
JM		 10601 const u8 *dst, const u8 *src,
10602 const u8 *bssid,
b106173a
JM		 10603 const u8 *data, size_t data_len,
10604 int no_cck)
58f6fbe0 10605{
a2e40bb6 10606 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 10607 int ret = -1;
58f6fbe0
JM		 10608 u8 *buf;
10609 struct ieee80211_hdr *hdr;
58f6fbe0 10610
5dfca53f 10611 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 10612 "freq=%u MHz wait=%d ms no_cck=%d)",
10613 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 10614
10615 buf = os_zalloc(24 + data_len);
10616 if (buf == NULL)
10617 return ret;
10618 os_memcpy(buf + 24, data, data_len);
10619 hdr = (struct ieee80211_hdr *) buf;
10620 hdr->frame_control =
10621 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
10622 os_memcpy(hdr->addr1, dst, ETH_ALEN);
10623 os_memcpy(hdr->addr2, src, ETH_ALEN);
10624 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
10625
f78f2785
JM		 10626 if (is_ap_interface(drv->nlmode) &&
10627 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
10628 (int) freq == bss->freq || drv->device_ap_sme ||
10629 !drv->use_monitor))
9ebce9c5
JM		 10630 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
10631 0, freq, no_cck, 1,
10632 wait_time);
9884f9cc 10633 else
88df0ef7 10634 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 10635 24 + data_len,
b106173a 10636 &drv->send_action_cookie,
88df0ef7 10637 no_cck, 0, 1);
58f6fbe0 10638
f8bf1421 10639 os_free(buf);
58f6fbe0
JM		 10640 return ret;
10641}
10642
10643
5dfca53f
JB		 10644static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
10645{
10646 struct i802_bss *bss = priv;
10647 struct wpa_driver_nl80211_data *drv = bss->drv;
10648 struct nl_msg *msg;
10649 int ret;
10650
10651 msg = nlmsg_alloc();
10652 if (!msg)
10653 return;
10654
316a9e4d
JM		 10655 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
10656 (long long unsigned int) drv->send_action_cookie);
9fb04070 10657 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL);
5dfca53f 10658
7940c790
AS		 10659 if (nl80211_set_iface_id(msg, bss) < 0)
10660 goto nla_put_failure;
5dfca53f
JB		 10661 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie);
10662
10663 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10664 msg = NULL;
10665 if (ret)
10666 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
10667 "(%s)", ret, strerror(-ret));
10668
10669 nla_put_failure:
10670 nlmsg_free(msg);
10671}
10672
10673
55777702
JM		 10674static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
10675 unsigned int duration)
10676{
a2e40bb6
FF		 10677 struct i802_bss *bss = priv;
10678 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 10679 struct nl_msg *msg;
10680 int ret;
10681 u64 cookie;
10682
10683 msg = nlmsg_alloc();
10684 if (!msg)
10685 return -1;
10686
9fb04070 10687 nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL);
55777702 10688
f632e483 10689 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 10690 goto nla_put_failure;
10691
55777702
JM		 10692 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
10693 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
10694
10695 cookie = 0;
10696 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5883168a 10697 msg = NULL;
55777702
JM		 10698 if (ret == 0) {
10699 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
10700 "0x%llx for freq=%u MHz duration=%u",
10701 (long long unsigned int) cookie, freq, duration);
10702 drv->remain_on_chan_cookie = cookie;
531f0331 10703 drv->pending_remain_on_chan = 1;
55777702
JM		 10704 return 0;
10705 }
10706 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 10707 "(freq=%d duration=%u): %d (%s)",
10708 freq, duration, ret, strerror(-ret));
55777702 10709nla_put_failure:
5883168a 10710 nlmsg_free(msg);
55777702
JM		 10711 return -1;
10712}
10713
10714
10715static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
10716{
a2e40bb6
FF		 10717 struct i802_bss *bss = priv;
10718 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 10719 struct nl_msg *msg;
10720 int ret;
10721
10722 if (!drv->pending_remain_on_chan) {
10723 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
10724 "to cancel");
10725 return -1;
10726 }
10727
10728 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
10729 "0x%llx",
10730 (long long unsigned int) drv->remain_on_chan_cookie);
10731
10732 msg = nlmsg_alloc();
10733 if (!msg)
10734 return -1;
10735
9fb04070 10736 nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
55777702 10737
f632e483 10738 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 10739 goto nla_put_failure;
10740
55777702
JM		 10741 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie);
10742
10743 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 10744 msg = NULL;
55777702
JM		 10745 if (ret == 0)
10746 return 0;
10747 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
10748 "%d (%s)", ret, strerror(-ret));
10749nla_put_failure:
5883168a 10750 nlmsg_free(msg);
55777702
JM		 10751 return -1;
10752}
10753
10754
9ebce9c5 10755static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 10756{
a2e40bb6 10757 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 10758
5582a5d1 10759 if (!report) {
0d891981 10760 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 10761 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
10762 !bss->static_ap) {
0d891981
JM		 10763 /*
10764 * Do not disable Probe Request reporting that was
10765 * enabled in nl80211_setup_ap().
10766 */
10767 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
10768 "Probe Request reporting nl_preq=%p while "
10769 "in AP mode", bss->nl_preq);
10770 } else if (bss->nl_preq) {
36488c05
JM		 10771 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
10772 "reporting nl_preq=%p", bss->nl_preq);
5f65e9f7 10773 nl80211_destroy_eloop_handle(&bss->nl_preq);
5582a5d1
JB		 10774 }
10775 return 0;
10776 }
10777
481234cf 10778 if (bss->nl_preq) {
5582a5d1 10779 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 10780 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 10781 return 0;
10782 }
10783
481234cf
JM		 10784 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
10785 if (bss->nl_preq == NULL)
5582a5d1 10786 return -1;
36488c05
JM		 10787 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
10788 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 10789
481234cf 10790 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 10791 (WLAN_FC_TYPE_MGMT << 2) |
10792 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 10793 NULL, 0) < 0)
10794 goto out_err;
5582a5d1 10795
5f65e9f7
JB		 10796 nl80211_register_eloop_read(&bss->nl_preq,
10797 wpa_driver_nl80211_event_receive,
10798 bss->nl_cb);
5582a5d1 10799
504e905c 10800 return 0;
5582a5d1 10801
a92dfde8 10802 out_err:
221a59c9 10803 nl_destroy_handles(&bss->nl_preq);
5582a5d1 10804 return -1;
504e905c
JM		 10805}
10806
10807
4e5cb1a3
JM		 10808static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
10809 int ifindex, int disabled)
10810{
10811 struct nl_msg *msg;
10812 struct nlattr *bands, *band;
10813 int ret;
10814
10815 msg = nlmsg_alloc();
10816 if (!msg)
10817 return -1;
10818
9fb04070 10819 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 10820 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
10821
10822 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
10823 if (!bands)
10824 goto nla_put_failure;
10825
10826 /*
10827 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
10828 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
10829 * rates. All 5 GHz rates are left enabled.
10830 */
10831 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
10832 if (!band)
10833 goto nla_put_failure;
1dea5882
JM		 10834 if (disabled) {
10835 NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8,
10836 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
10837 }
4e5cb1a3
JM		 10838 nla_nest_end(msg, band);
10839
10840 nla_nest_end(msg, bands);
10841
10842 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10843 msg = NULL;
10844 if (ret) {
10845 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
10846 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 10847 } else
10848 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 10849
10850 return ret;
10851
10852nla_put_failure:
10853 nlmsg_free(msg);
10854 return -1;
10855}
10856
10857
af473088
JM		 10858static int wpa_driver_nl80211_deinit_ap(void *priv)
10859{
a2e40bb6
FF		 10860 struct i802_bss *bss = priv;
10861 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 10862 if (!is_ap_interface(drv->nlmode))
af473088
JM		 10863 return -1;
10864 wpa_driver_nl80211_del_beacon(drv);
60b13c20
IP		 10865
10866 /*
10867 * If the P2P GO interface was dynamically added, then it is
10868 * possible that the interface change to station is not possible.
10869 */
10870 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
10871 return 0;
10872
b1f625e0 10873 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 10874}
10875
10876
695c7038
SW		 10877static int wpa_driver_nl80211_stop_ap(void *priv)
10878{
10879 struct i802_bss *bss = priv;
10880 struct wpa_driver_nl80211_data *drv = bss->drv;
10881 if (!is_ap_interface(drv->nlmode))
10882 return -1;
10883 wpa_driver_nl80211_del_beacon(drv);
10884 bss->beacon_set = 0;
10885 return 0;
10886}
10887
10888
3c29244e
EP		 10889static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
10890{
10891 struct i802_bss *bss = priv;
10892 struct wpa_driver_nl80211_data *drv = bss->drv;
10893 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
10894 return -1;
60b13c20
IP		 10895
10896 /*
10897 * If the P2P Client interface was dynamically added, then it is
10898 * possible that the interface change to station is not possible.
10899 */
10900 if (bss->if_dynamic)
10901 return 0;
10902
3c29244e
EP		 10903 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
10904}
10905
10906
207ef3fb
JM		 10907static void wpa_driver_nl80211_resume(void *priv)
10908{
a2e40bb6 10909 struct i802_bss *bss = priv;
91724d6f
AS		 10910
10911 if (i802_set_iface_flags(bss, 1))
10912 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
207ef3fb
JM		 10913}
10914
10915
7b90c16a
JM		 10916static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap,
10917 const u8 *ies, size_t ies_len)
10918{
10919 struct i802_bss *bss = priv;
10920 struct wpa_driver_nl80211_data *drv = bss->drv;
10921 int ret;
10922 u8 *data, *pos;
10923 size_t data_len;
341eebee 10924 const u8 *own_addr = bss->addr;
7b90c16a
JM		 10925
10926 if (action != 1) {
10927 wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action "
10928 "action %d", action);
10929 return -1;
10930 }
10931
10932 /*
10933 * Action frame payload:
10934 * Category[1] = 6 (Fast BSS Transition)
10935 * Action[1] = 1 (Fast BSS Transition Request)
10936 * STA Address
10937 * Target AP Address
10938 * FT IEs
10939 */
10940
73fc617d
JM		 10941 data_len = 2 + 2 * ETH_ALEN + ies_len;
10942 data = os_malloc(data_len);
7b90c16a
JM		 10943 if (data == NULL)
10944 return -1;
10945 pos = data;
10946 *pos++ = 0x06; /* FT Action category */
10947 *pos++ = action;
10948 os_memcpy(pos, own_addr, ETH_ALEN);
10949 pos += ETH_ALEN;
10950 os_memcpy(pos, target_ap, ETH_ALEN);
10951 pos += ETH_ALEN;
10952 os_memcpy(pos, ies, ies_len);
10953
190b9062
JB		 10954 ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0,
10955 drv->bssid, own_addr, drv->bssid,
b106173a 10956 data, data_len, 0);
7b90c16a
JM		 10957 os_free(data);
10958
10959 return ret;
10960}
10961
10962
b625473c
JM		 10963static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
10964{
10965 struct i802_bss *bss = priv;
10966 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 10967 struct nl_msg *msg;
10968 struct nlattr *cqm;
f0494d0f 10969 int ret = -1;
b625473c
JM		 10970
10971 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
10972 "hysteresis=%d", threshold, hysteresis);
10973
10974 msg = nlmsg_alloc();
10975 if (!msg)
10976 return -1;
10977
9fb04070 10978 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM);
b625473c
JM		 10979
10980 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10981
8970bae8 10982 cqm = nla_nest_start(msg, NL80211_ATTR_CQM);
b625473c 10983 if (cqm == NULL)
21270bb4 10984 goto nla_put_failure;
b625473c 10985
8970bae8
JB		 10986 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold);
10987 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis);
10988 nla_nest_end(msg, cqm);
21270bb4 10989
f0494d0f 10990 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 10991 msg = NULL;
10992
10993nla_put_failure:
b625473c 10994 nlmsg_free(msg);
f0494d0f 10995 return ret;
b625473c
JM		 10996}
10997
10998
2cc8d8f4
AO		 10999static int get_channel_width(struct nl_msg *msg, void *arg)
11000{
11001 struct nlattr *tb[NL80211_ATTR_MAX + 1];
11002 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
11003 struct wpa_signal_info *sig_change = arg;
11004
11005 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
11006 genlmsg_attrlen(gnlh, 0), NULL);
11007
11008 sig_change->center_frq1 = -1;
11009 sig_change->center_frq2 = -1;
11010 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
11011
11012 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
11013 sig_change->chanwidth = convert2width(
11014 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
11015 if (tb[NL80211_ATTR_CENTER_FREQ1])
11016 sig_change->center_frq1 =
11017 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
11018 if (tb[NL80211_ATTR_CENTER_FREQ2])
11019 sig_change->center_frq2 =
11020 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
11021 }
11022
11023 return NL_SKIP;
11024}
11025
11026
11027static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
11028 struct wpa_signal_info *sig)
11029{
11030 struct nl_msg *msg;
11031
11032 msg = nlmsg_alloc();
11033 if (!msg)
11034 return -ENOMEM;
11035
11036 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_INTERFACE);
11037 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11038
11039 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
11040
11041nla_put_failure:
11042 nlmsg_free(msg);
11043 return -ENOBUFS;
11044}
11045
11046
1c5c7273
PS		 11047static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
11048{
11049 struct i802_bss *bss = priv;
11050 struct wpa_driver_nl80211_data *drv = bss->drv;
11051 int res;
11052
11053 os_memset(si, 0, sizeof(*si));
11054 res = nl80211_get_link_signal(drv, si);
11055 if (res != 0)
11056 return res;
11057
2cc8d8f4
AO		 11058 res = nl80211_get_channel_width(drv, si);
11059 if (res != 0)
11060 return res;
11061
1c5c7273
PS		 11062 return nl80211_get_link_noise(drv, si);
11063}
11064
11065
57ebba59
JJ		 11066static int wpa_driver_nl80211_shared_freq(void *priv)
11067{
11068 struct i802_bss *bss = priv;
11069 struct wpa_driver_nl80211_data *drv = bss->drv;
11070 struct wpa_driver_nl80211_data *driver;
11071 int freq = 0;
11072
11073 /*
11074 * If the same PHY is in connected state with some other interface,
11075 * then retrieve the assoc freq.
11076 */
11077 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
11078 drv->phyname);
11079
11080 dl_list_for_each(driver, &drv->global->interfaces,
11081 struct wpa_driver_nl80211_data, list) {
11082 if (drv == driver ||
11083 os_strcmp(drv->phyname, driver->phyname) != 0 ||
11084 !driver->associated)
11085 continue;
11086
11087 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
11088 MACSTR,
834ee56f
KP		 11089 driver->phyname, driver->first_bss->ifname,
11090 MAC2STR(driver->first_bss->addr));
d3bd0f05 11091 if (is_ap_interface(driver->nlmode))
834ee56f 11092 freq = driver->first_bss->freq;
d3bd0f05
JJ		 11093 else
11094 freq = nl80211_get_assoc_freq(driver);
57ebba59
JJ		 11095 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
11096 drv->phyname, freq);
11097 }
11098
11099 if (!freq)
11100 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
11101 "PHY (%s) in associated state", drv->phyname);
11102
11103 return freq;
11104}
11105
11106
b91ab76e
JM		 11107static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
11108 int encrypt)
11109{
11110 struct i802_bss *bss = priv;
55231068
JM		 11111 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
11112 0, 0, 0, 0);
b91ab76e
JM		 11113}
11114
11115
c55f774d
JM		 11116static int nl80211_set_param(void *priv, const char *param)
11117{
c55f774d
JM		 11118 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
11119 if (param == NULL)
11120 return 0;
11121
11122#ifdef CONFIG_P2P
11123 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 11124 struct i802_bss *bss = priv;
11125 struct wpa_driver_nl80211_data *drv = bss->drv;
11126
c55f774d
JM		 11127 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
11128 "interface");
11129 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
11130 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
11131 }
851b0c55
JM		 11132
11133 if (os_strstr(param, "p2p_device=1")) {
11134 struct i802_bss *bss = priv;
11135 struct wpa_driver_nl80211_data *drv = bss->drv;
11136 drv->allow_p2p_device = 1;
11137 }
c55f774d
JM		 11138#endif /* CONFIG_P2P */
11139
327b01d3
JM		 11140 if (os_strstr(param, "use_monitor=1")) {
11141 struct i802_bss *bss = priv;
11142 struct wpa_driver_nl80211_data *drv = bss->drv;
11143 drv->use_monitor = 1;
11144 }
11145
11146 if (os_strstr(param, "force_connect_cmd=1")) {
11147 struct i802_bss *bss = priv;
11148 struct wpa_driver_nl80211_data *drv = bss->drv;
11149 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 11150 drv->force_connect_cmd = 1;
327b01d3
JM		 11151 }
11152
64abb725
JM		 11153 if (os_strstr(param, "no_offchannel_tx=1")) {
11154 struct i802_bss *bss = priv;
11155 struct wpa_driver_nl80211_data *drv = bss->drv;
11156 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
11157 drv->test_use_roc_tx = 1;
11158 }
11159
c55f774d
JM		 11160 return 0;
11161}
11162
11163
f2ed8023
JM		 11164static void * nl80211_global_init(void)
11165{
11166 struct nl80211_global *global;
36d84860
BG		 11167 struct netlink_config *cfg;
11168
f2ed8023
JM		 11169 global = os_zalloc(sizeof(*global));
11170 if (global == NULL)
11171 return NULL;
c81eff1a 11172 global->ioctl_sock = -1;
f2ed8023 11173 dl_list_init(&global->interfaces);
ff6a158b 11174 global->if_add_ifindex = -1;
36d84860
BG		 11175
11176 cfg = os_zalloc(sizeof(*cfg));
11177 if (cfg == NULL)
11178 goto err;
11179
11180 cfg->ctx = global;
11181 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
11182 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
11183 global->netlink = netlink_init(cfg);
11184 if (global->netlink == NULL) {
11185 os_free(cfg);
11186 goto err;
11187 }
11188
2a7b66f5
BG		 11189 if (wpa_driver_nl80211_init_nl_global(global) < 0)
11190 goto err;
11191
c81eff1a
BG		 11192 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
11193 if (global->ioctl_sock < 0) {
7ac3616d
JM		 11194 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
11195 strerror(errno));
c81eff1a
BG		 11196 goto err;
11197 }
11198
f2ed8023 11199 return global;
36d84860
BG		 11200
11201err:
11202 nl80211_global_deinit(global);
11203 return NULL;
f2ed8023
JM		 11204}
11205
11206
11207static void nl80211_global_deinit(void *priv)
11208{
11209 struct nl80211_global *global = priv;
11210 if (global == NULL)
11211 return;
11212 if (!dl_list_empty(&global->interfaces)) {
11213 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
11214 "nl80211_global_deinit",
11215 dl_list_len(&global->interfaces));
11216 }
36d84860
BG		 11217
11218 if (global->netlink)
11219 netlink_deinit(global->netlink);
11220
276e2d67
BG		 11221 nl_destroy_handles(&global->nl);
11222
5f65e9f7
JB		 11223 if (global->nl_event)
11224 nl80211_destroy_eloop_handle(&global->nl_event);
d6c9aab8
JB		 11225
11226 nl_cb_put(global->nl_cb);
2a7b66f5 11227
c81eff1a
BG		 11228 if (global->ioctl_sock >= 0)
11229 close(global->ioctl_sock);
11230
f2ed8023
JM		 11231 os_free(global);
11232}
11233
11234
6859f1cb
BG		 11235static const char * nl80211_get_radio_name(void *priv)
11236{
11237 struct i802_bss *bss = priv;
11238 struct wpa_driver_nl80211_data *drv = bss->drv;
11239 return drv->phyname;
11240}
11241
11242
a6efc65d
JM		 11243static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
11244 const u8 *pmkid)
11245{
11246 struct nl_msg *msg;
11247
11248 msg = nlmsg_alloc();
11249 if (!msg)
11250 return -ENOMEM;
11251
9fb04070 11252 nl80211_cmd(bss->drv, msg, 0, cmd);
a6efc65d
JM		 11253
11254 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
11255 if (pmkid)
11256 NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid);
11257 if (bssid)
11258 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
11259
11260 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
11261 nla_put_failure:
9e088e74 11262 nlmsg_free(msg);
a6efc65d
JM		 11263 return -ENOBUFS;
11264}
11265
11266
11267static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
11268{
11269 struct i802_bss *bss = priv;
11270 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
11271 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
11272}
11273
11274
11275static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
11276{
11277 struct i802_bss *bss = priv;
11278 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
11279 MAC2STR(bssid));
11280 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
11281}
11282
11283
11284static int nl80211_flush_pmkid(void *priv)
11285{
11286 struct i802_bss *bss = priv;
11287 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
11288 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
11289}
11290
11291
0185007c
MK		 11292static void clean_survey_results(struct survey_results *survey_results)
11293{
11294 struct freq_survey *survey, *tmp;
11295
11296 if (dl_list_empty(&survey_results->survey_list))
11297 return;
11298
11299 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
11300 struct freq_survey, list) {
11301 dl_list_del(&survey->list);
11302 os_free(survey);
11303 }
11304}
11305
11306
11307static void add_survey(struct nlattr **sinfo, u32 ifidx,
11308 struct dl_list *survey_list)
11309{
11310 struct freq_survey *survey;
11311
11312 survey = os_zalloc(sizeof(struct freq_survey));
11313 if (!survey)
11314 return;
11315
11316 survey->ifidx = ifidx;
11317 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
11318 survey->filled = 0;
11319
11320 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
11321 survey->nf = (int8_t)
11322 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
11323 survey->filled |= SURVEY_HAS_NF;
11324 }
11325
11326 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
11327 survey->channel_time =
11328 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
11329 survey->filled |= SURVEY_HAS_CHAN_TIME;
11330 }
11331
11332 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
11333 survey->channel_time_busy =
11334 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
11335 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
11336 }
11337
11338 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
11339 survey->channel_time_rx =
11340 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
11341 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
11342 }
11343
11344 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
11345 survey->channel_time_tx =
11346 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
11347 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
11348 }
11349
11350 wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)",
11351 survey->freq,
11352 survey->nf,
11353 (unsigned long int) survey->channel_time,
11354 (unsigned long int) survey->channel_time_busy,
11355 (unsigned long int) survey->channel_time_tx,
11356 (unsigned long int) survey->channel_time_rx,
11357 survey->filled);
11358
11359 dl_list_add_tail(survey_list, &survey->list);
11360}
11361
11362
11363static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
11364 unsigned int freq_filter)
11365{
11366 if (!freq_filter)
11367 return 1;
11368
11369 return freq_filter == surveyed_freq;
11370}
11371
11372
11373static int survey_handler(struct nl_msg *msg, void *arg)
11374{
11375 struct nlattr *tb[NL80211_ATTR_MAX + 1];
11376 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
11377 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
11378 struct survey_results *survey_results;
11379 u32 surveyed_freq = 0;
11380 u32 ifidx;
11381
11382 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
11383 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
11384 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
11385 };
11386
11387 survey_results = (struct survey_results *) arg;
11388
11389 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
11390 genlmsg_attrlen(gnlh, 0), NULL);
11391
e28f39b7
SJ		 11392 if (!tb[NL80211_ATTR_IFINDEX])
11393 return NL_SKIP;
11394
0185007c
MK		 11395 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
11396
11397 if (!tb[NL80211_ATTR_SURVEY_INFO])
11398 return NL_SKIP;
11399
11400 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
11401 tb[NL80211_ATTR_SURVEY_INFO],
11402 survey_policy))
11403 return NL_SKIP;
11404
11405 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
11406 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
11407 return NL_SKIP;
11408 }
11409
11410 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
11411
11412 if (!check_survey_ok(sinfo, surveyed_freq,
11413 survey_results->freq_filter))
11414 return NL_SKIP;
11415
11416 if (survey_results->freq_filter &&
11417 survey_results->freq_filter != surveyed_freq) {
11418 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
11419 surveyed_freq);
11420 return NL_SKIP;
11421 }
11422
11423 add_survey(sinfo, ifidx, &survey_results->survey_list);
11424
11425 return NL_SKIP;
11426}
11427
11428
11429static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
11430{
11431 struct i802_bss *bss = priv;
11432 struct wpa_driver_nl80211_data *drv = bss->drv;
11433 struct nl_msg *msg;
11434 int err = -ENOBUFS;
11435 union wpa_event_data data;
11436 struct survey_results *survey_results;
11437
11438 os_memset(&data, 0, sizeof(data));
11439 survey_results = &data.survey_results;
11440
11441 dl_list_init(&survey_results->survey_list);
11442
11443 msg = nlmsg_alloc();
11444 if (!msg)
11445 goto nla_put_failure;
11446
11447 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
11448
11449 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11450
11451 if (freq)
11452 data.survey_results.freq_filter = freq;
11453
11454 do {
11455 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
11456 err = send_and_recv_msgs(drv, msg, survey_handler,
11457 survey_results);
11458 } while (err > 0);
11459
11460 if (err) {
11461 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
11462 goto out_clean;
11463 }
11464
11465 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
11466
11467out_clean:
11468 clean_survey_results(survey_results);
11469nla_put_failure:
11470 return err;
11471}
11472
11473
b14a210c
JB		 11474static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
11475 const u8 *replay_ctr)
11476{
11477 struct i802_bss *bss = priv;
11478 struct wpa_driver_nl80211_data *drv = bss->drv;
11479 struct nlattr *replay_nested;
11480 struct nl_msg *msg;
11481
11482 msg = nlmsg_alloc();
11483 if (!msg)
11484 return;
11485
9fb04070 11486 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
b14a210c
JB		 11487
11488 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
11489
11490 replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
11491 if (!replay_nested)
11492 goto nla_put_failure;
11493
11494 NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek);
11495 NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck);
11496 NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
11497 replay_ctr);
11498
11499 nla_nest_end(msg, replay_nested);
11500
11501 send_and_recv_msgs(drv, msg, NULL, NULL);
11502 return;
11503 nla_put_failure:
11504 nlmsg_free(msg);
11505}
11506
11507
39718852
JB		 11508static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
11509 const u8 *addr, int qos)
bcf24348 11510{
39718852
JB		 11511 /* send data frame to poll STA and check whether
11512 * this frame is ACKed */
bcf24348
JB		 11513 struct {
11514 struct ieee80211_hdr hdr;
11515 u16 qos_ctl;
11516 } STRUCT_PACKED nulldata;
11517 size_t size;
11518
11519 /* Send data frame to poll STA and check whether this frame is ACKed */
11520
11521 os_memset(&nulldata, 0, sizeof(nulldata));
11522
11523 if (qos) {
11524 nulldata.hdr.frame_control =
11525 IEEE80211_FC(WLAN_FC_TYPE_DATA,
11526 WLAN_FC_STYPE_QOS_NULL);
11527 size = sizeof(nulldata);
11528 } else {
11529 nulldata.hdr.frame_control =
11530 IEEE80211_FC(WLAN_FC_TYPE_DATA,
11531 WLAN_FC_STYPE_NULLFUNC);
11532 size = sizeof(struct ieee80211_hdr);
11533 }
11534
11535 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
11536 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
11537 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
11538 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
11539
9ebce9c5
JM		 11540 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
11541 0, 0) < 0)
bcf24348
JB		 11542 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
11543 "send poll frame");
11544}
11545
39718852
JB		 11546static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
11547 int qos)
11548{
11549 struct i802_bss *bss = priv;
11550 struct wpa_driver_nl80211_data *drv = bss->drv;
11551 struct nl_msg *msg;
11552
11553 if (!drv->poll_command_supported) {
11554 nl80211_send_null_frame(bss, own_addr, addr, qos);
11555 return;
11556 }
11557
11558 msg = nlmsg_alloc();
11559 if (!msg)
11560 return;
11561
11562 nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT);
11563
11564 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
11565 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
11566
11567 send_and_recv_msgs(drv, msg, NULL, NULL);
11568 return;
11569 nla_put_failure:
11570 nlmsg_free(msg);
11571}
11572
bcf24348 11573
29f338af
JM		 11574static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
11575{
11576 struct nl_msg *msg;
11577
11578 msg = nlmsg_alloc();
11579 if (!msg)
11580 return -ENOMEM;
11581
11582 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE);
11583 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
11584 NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE,
11585 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED);
11586 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
11587nla_put_failure:
11588 nlmsg_free(msg);
11589 return -ENOBUFS;
11590}
11591
11592
11593static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
11594 int ctwindow)
11595{
11596 struct i802_bss *bss = priv;
11597
11598 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
11599 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
11600
0de38036
JM		 11601 if (opp_ps != -1 || ctwindow != -1) {
11602#ifdef ANDROID_P2P
11603 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
11604#else /* ANDROID_P2P */
29f338af 11605 return -1; /* Not yet supported */
0de38036
JM		 11606#endif /* ANDROID_P2P */
11607 }
29f338af
JM		 11608
11609 if (legacy_ps == -1)
11610 return 0;
11611 if (legacy_ps != 0 && legacy_ps != 1)
11612 return -1; /* Not yet supported */
11613
11614 return nl80211_set_power_save(bss, legacy_ps);
11615}
11616
11617
04e8003c
JD		 11618static int nl80211_start_radar_detection(void *priv,
11619 struct hostapd_freq_params *freq)
f90e9c1c
SW		 11620{
11621 struct i802_bss *bss = priv;
11622 struct wpa_driver_nl80211_data *drv = bss->drv;
11623 struct nl_msg *msg;
11624 int ret;
11625
04e8003c
JD		 11626 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
11627 freq->freq, freq->ht_enabled, freq->vht_enabled,
11628 freq->bandwidth, freq->center_freq1, freq->center_freq2);
11629
f90e9c1c
SW		 11630 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
11631 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
11632 "detection");
11633 return -1;
11634 }
11635
11636 msg = nlmsg_alloc();
11637 if (!msg)
11638 return -1;
11639
11640 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_RADAR_DETECT);
11641 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
f90e9c1c 11642
ed8e0059
JD		 11643 if (nl80211_put_freq_params(msg, freq) < 0)
11644 goto nla_put_failure;
f90e9c1c
SW		 11645
11646 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
dbdc9a1d 11647 msg = NULL;
f90e9c1c
SW		 11648 if (ret == 0)
11649 return 0;
11650 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
11651 "%d (%s)", ret, strerror(-ret));
11652nla_put_failure:
dbdc9a1d 11653 nlmsg_free(msg);
f90e9c1c
SW		 11654 return -1;
11655}
11656
03ea1786
AN		 11657#ifdef CONFIG_TDLS
11658
11659static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
11660 u8 dialog_token, u16 status_code,
984dadc2
AN		 11661 u32 peer_capab, int initiator, const u8 *buf,
11662 size_t len)
03ea1786
AN		 11663{
11664 struct i802_bss *bss = priv;
11665 struct wpa_driver_nl80211_data *drv = bss->drv;
11666 struct nl_msg *msg;
11667
11668 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
11669 return -EOPNOTSUPP;
11670
11671 if (!dst)
11672 return -EINVAL;
11673
11674 msg = nlmsg_alloc();
11675 if (!msg)
11676 return -ENOMEM;
11677
11678 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT);
11679 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11680 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
11681 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code);
11682 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token);
11683 NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code);
96ecea5e
SD		 11684 if (peer_capab) {
11685 /*
11686 * The internal enum tdls_peer_capability definition is
11687 * currently identical with the nl80211 enum
11688 * nl80211_tdls_peer_capability, so no conversion is needed
11689 * here.
11690 */
11691 NLA_PUT_U32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY, peer_capab);
11692 }
984dadc2
AN		 11693 if (initiator)
11694 NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_INITIATOR);
03ea1786
AN		 11695 NLA_PUT(msg, NL80211_ATTR_IE, len, buf);
11696
11697 return send_and_recv_msgs(drv, msg, NULL, NULL);
11698
11699nla_put_failure:
11700 nlmsg_free(msg);
11701 return -ENOBUFS;
11702}
11703
11704
11705static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
11706{
11707 struct i802_bss *bss = priv;
11708 struct wpa_driver_nl80211_data *drv = bss->drv;
11709 struct nl_msg *msg;
11710 enum nl80211_tdls_operation nl80211_oper;
11711
11712 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
11713 return -EOPNOTSUPP;
11714
11715 switch (oper) {
11716 case TDLS_DISCOVERY_REQ:
11717 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
11718 break;
11719 case TDLS_SETUP:
11720 nl80211_oper = NL80211_TDLS_SETUP;
11721 break;
11722 case TDLS_TEARDOWN:
11723 nl80211_oper = NL80211_TDLS_TEARDOWN;
11724 break;
11725 case TDLS_ENABLE_LINK:
11726 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
11727 break;
11728 case TDLS_DISABLE_LINK:
11729 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
11730 break;
11731 case TDLS_ENABLE:
11732 return 0;
11733 case TDLS_DISABLE:
11734 return 0;
11735 default:
11736 return -EINVAL;
11737 }
11738
11739 msg = nlmsg_alloc();
11740 if (!msg)
11741 return -ENOMEM;
11742
11743 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER);
11744 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper);
11745 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11746 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer);
11747
11748 return send_and_recv_msgs(drv, msg, NULL, NULL);
11749
11750nla_put_failure:
11751 nlmsg_free(msg);
11752 return -ENOBUFS;
11753}
11754
11755#endif /* CONFIG TDLS */
11756
11757
216eede8
DS		 11758#ifdef ANDROID
11759
11760typedef struct android_wifi_priv_cmd {
11761 char *buf;
11762 int used_len;
11763 int total_len;
11764} android_wifi_priv_cmd;
11765
11766static int drv_errors = 0;
11767
11768static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv)
11769{
11770 drv_errors++;
11771 if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) {
11772 drv_errors = 0;
11773 wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED");
11774 }
11775}
11776
11777
11778static int android_priv_cmd(struct i802_bss *bss, const char *cmd)
11779{
11780 struct wpa_driver_nl80211_data *drv = bss->drv;
11781 struct ifreq ifr;
11782 android_wifi_priv_cmd priv_cmd;
11783 char buf[MAX_DRV_CMD_SIZE];
11784 int ret;
11785
11786 os_memset(&ifr, 0, sizeof(ifr));
11787 os_memset(&priv_cmd, 0, sizeof(priv_cmd));
11788 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
11789
11790 os_memset(buf, 0, sizeof(buf));
11791 os_strlcpy(buf, cmd, sizeof(buf));
11792
11793 priv_cmd.buf = buf;
11794 priv_cmd.used_len = sizeof(buf);
11795 priv_cmd.total_len = sizeof(buf);
11796 ifr.ifr_data = &priv_cmd;
11797
11798 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
11799 if (ret < 0) {
11800 wpa_printf(MSG_ERROR, "%s: failed to issue private commands",
11801 __func__);
11802 wpa_driver_send_hang_msg(drv);
11803 return ret;
11804 }
11805
11806 drv_errors = 0;
11807 return 0;
11808}
11809
11810
11811static int android_pno_start(struct i802_bss *bss,
11812 struct wpa_driver_scan_params *params)
11813{
11814 struct wpa_driver_nl80211_data *drv = bss->drv;
11815 struct ifreq ifr;
11816 android_wifi_priv_cmd priv_cmd;
11817 int ret = 0, i = 0, bp;
11818 char buf[WEXT_PNO_MAX_COMMAND_SIZE];
11819
11820 bp = WEXT_PNOSETUP_HEADER_SIZE;
11821 os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp);
11822 buf[bp++] = WEXT_PNO_TLV_PREFIX;
11823 buf[bp++] = WEXT_PNO_TLV_VERSION;
11824 buf[bp++] = WEXT_PNO_TLV_SUBVERSION;
11825 buf[bp++] = WEXT_PNO_TLV_RESERVED;
11826
11827 while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) {
11828 /* Check that there is enough space needed for 1 more SSID, the
11829 * other sections and null termination */
11830 if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN +
11831 WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf))
11832 break;
11833 wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan",
a97bde0a
JM		 11834 params->ssids[i].ssid,
11835 params->ssids[i].ssid_len);
216eede8
DS		 11836 buf[bp++] = WEXT_PNO_SSID_SECTION;
11837 buf[bp++] = params->ssids[i].ssid_len;
11838 os_memcpy(&buf[bp], params->ssids[i].ssid,
11839 params->ssids[i].ssid_len);
11840 bp += params->ssids[i].ssid_len;
11841 i++;
11842 }
11843
11844 buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION;
11845 os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x",
11846 WEXT_PNO_SCAN_INTERVAL);
11847 bp += WEXT_PNO_SCAN_INTERVAL_LENGTH;
11848
11849 buf[bp++] = WEXT_PNO_REPEAT_SECTION;
11850 os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x",
11851 WEXT_PNO_REPEAT);
11852 bp += WEXT_PNO_REPEAT_LENGTH;
11853
11854 buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION;
11855 os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x",
11856 WEXT_PNO_MAX_REPEAT);
11857 bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1;
11858
11859 memset(&ifr, 0, sizeof(ifr));
11860 memset(&priv_cmd, 0, sizeof(priv_cmd));
24f051eb 11861 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
216eede8
DS		 11862
11863 priv_cmd.buf = buf;
11864 priv_cmd.used_len = bp;
11865 priv_cmd.total_len = bp;
11866 ifr.ifr_data = &priv_cmd;
11867
11868 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
11869
11870 if (ret < 0) {
11871 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d",
11872 ret);
11873 wpa_driver_send_hang_msg(drv);
11874 return ret;
11875 }
11876
11877 drv_errors = 0;
11878
11879 return android_priv_cmd(bss, "PNOFORCE 1");
11880}
11881
11882
11883static int android_pno_stop(struct i802_bss *bss)
11884{
11885 return android_priv_cmd(bss, "PNOFORCE 0");
11886}
11887
11888#endif /* ANDROID */
11889
11890
9ebce9c5
JM		 11891static int driver_nl80211_set_key(const char *ifname, void *priv,
11892 enum wpa_alg alg, const u8 *addr,
11893 int key_idx, int set_tx,
11894 const u8 *seq, size_t seq_len,
11895 const u8 *key, size_t key_len)
11896{
11897 struct i802_bss *bss = priv;
11898 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
11899 set_tx, seq, seq_len, key, key_len);
11900}
11901
11902
11903static int driver_nl80211_scan2(void *priv,
11904 struct wpa_driver_scan_params *params)
11905{
11906 struct i802_bss *bss = priv;
11907 return wpa_driver_nl80211_scan(bss, params);
11908}
11909
11910
11911static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
11912 int reason_code)
11913{
11914 struct i802_bss *bss = priv;
11915 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
11916}
11917
11918
11919static int driver_nl80211_authenticate(void *priv,
11920 struct wpa_driver_auth_params *params)
11921{
11922 struct i802_bss *bss = priv;
11923 return wpa_driver_nl80211_authenticate(bss, params);
11924}
11925
11926
11927static void driver_nl80211_deinit(void *priv)
11928{
11929 struct i802_bss *bss = priv;
11930 wpa_driver_nl80211_deinit(bss);
11931}
11932
11933
11934static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
11935 const char *ifname)
11936{
11937 struct i802_bss *bss = priv;
11938 return wpa_driver_nl80211_if_remove(bss, type, ifname);
11939}
11940
11941
11942static int driver_nl80211_send_mlme(void *priv, const u8 *data,
11943 size_t data_len, int noack)
11944{
11945 struct i802_bss *bss = priv;
11946 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
11947 0, 0, 0, 0);
11948}
11949
11950
11951static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
11952{
11953 struct i802_bss *bss = priv;
59d7148a 11954 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 11955}
11956
11957
9ebce9c5
JM		 11958static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
11959 const char *ifname, int vlan_id)
11960{
11961 struct i802_bss *bss = priv;
11962 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
11963}
9ebce9c5
JM		 11964
11965
11966static int driver_nl80211_read_sta_data(void *priv,
11967 struct hostap_sta_driver_data *data,
11968 const u8 *addr)
11969{
11970 struct i802_bss *bss = priv;
11971 return i802_read_sta_data(bss, data, addr);
11972}
11973
11974
11975static int driver_nl80211_send_action(void *priv, unsigned int freq,
11976 unsigned int wait_time,
11977 const u8 *dst, const u8 *src,
11978 const u8 *bssid,
11979 const u8 *data, size_t data_len,
11980 int no_cck)
11981{
11982 struct i802_bss *bss = priv;
11983 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
11984 bssid, data, data_len, no_cck);
11985}
11986
11987
11988static int driver_nl80211_probe_req_report(void *priv, int report)
11989{
11990 struct i802_bss *bss = priv;
11991 return wpa_driver_nl80211_probe_req_report(bss, report);
11992}
11993
11994
6a1ce395
DG		 11995static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
11996 const u8 *ies, size_t ies_len)
11997{
11998 int ret;
11999 struct nl_msg *msg;
12000 struct i802_bss *bss = priv;
12001 struct wpa_driver_nl80211_data *drv = bss->drv;
12002 u16 mdid = WPA_GET_LE16(md);
12003
12004 msg = nlmsg_alloc();
12005 if (!msg)
12006 return -ENOMEM;
12007
12008 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
12009 nl80211_cmd(drv, msg, 0, NL80211_CMD_UPDATE_FT_IES);
12010 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
12011 NLA_PUT(msg, NL80211_ATTR_IE, ies_len, ies);
12012 NLA_PUT_U16(msg, NL80211_ATTR_MDID, mdid);
12013
12014 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
12015 if (ret) {
12016 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
12017 "err=%d (%s)", ret, strerror(-ret));
12018 }
12019
12020 return ret;
12021
12022nla_put_failure:
12023 nlmsg_free(msg);
12024 return -ENOBUFS;
12025}
12026
12027
597b94f5
AS		 12028const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
12029{
12030 struct i802_bss *bss = priv;
12031 struct wpa_driver_nl80211_data *drv = bss->drv;
12032
12033 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
12034 return NULL;
12035
12036 return bss->addr;
12037}
12038
12039
a771c07d
JM		 12040static const char * scan_state_str(enum scan_states scan_state)
12041{
12042 switch (scan_state) {
12043 case NO_SCAN:
12044 return "NO_SCAN";
12045 case SCAN_REQUESTED:
12046 return "SCAN_REQUESTED";
12047 case SCAN_STARTED:
12048 return "SCAN_STARTED";
12049 case SCAN_COMPLETED:
12050 return "SCAN_COMPLETED";
12051 case SCAN_ABORTED:
12052 return "SCAN_ABORTED";
12053 case SCHED_SCAN_STARTED:
12054 return "SCHED_SCAN_STARTED";
12055 case SCHED_SCAN_STOPPED:
12056 return "SCHED_SCAN_STOPPED";
12057 case SCHED_SCAN_RESULTS:
12058 return "SCHED_SCAN_RESULTS";
12059 }
12060
12061 return "??";
12062}
12063
12064
12065static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
12066{
12067 struct i802_bss *bss = priv;
12068 struct wpa_driver_nl80211_data *drv = bss->drv;
12069 int res;
12070 char *pos, *end;
12071
12072 pos = buf;
12073 end = buf + buflen;
12074
12075 res = os_snprintf(pos, end - pos,
12076 "ifindex=%d\n"
12077 "ifname=%s\n"
12078 "brname=%s\n"
12079 "addr=" MACSTR "\n"
12080 "freq=%d\n"
12081 "%s%s%s%s%s",
12082 bss->ifindex,
12083 bss->ifname,
12084 bss->brname,
12085 MAC2STR(bss->addr),
12086 bss->freq,
12087 bss->beacon_set ? "beacon_set=1\n" : "",
12088 bss->added_if_into_bridge ?
12089 "added_if_into_bridge=1\n" : "",
12090 bss->added_bridge ? "added_bridge=1\n" : "",
12091 bss->in_deinit ? "in_deinit=1\n" : "",
12092 bss->if_dynamic ? "if_dynamic=1\n" : "");
12093 if (res < 0 || res >= end - pos)
12094 return pos - buf;
12095 pos += res;
12096
12097 if (bss->wdev_id_set) {
12098 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
12099 (unsigned long long) bss->wdev_id);
12100 if (res < 0 || res >= end - pos)
12101 return pos - buf;
12102 pos += res;
12103 }
12104
12105 res = os_snprintf(pos, end - pos,
12106 "phyname=%s\n"
fee354c7 12107 "perm_addr=" MACSTR "\n"
a771c07d
JM		 12108 "drv_ifindex=%d\n"
12109 "operstate=%d\n"
12110 "scan_state=%s\n"
12111 "auth_bssid=" MACSTR "\n"
12112 "auth_attempt_bssid=" MACSTR "\n"
12113 "bssid=" MACSTR "\n"
12114 "prev_bssid=" MACSTR "\n"
12115 "associated=%d\n"
12116 "assoc_freq=%u\n"
12117 "monitor_sock=%d\n"
12118 "monitor_ifidx=%d\n"
12119 "monitor_refcount=%d\n"
12120 "last_mgmt_freq=%u\n"
12121 "eapol_tx_sock=%d\n"
d6a36f39 12122 "%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 12123 drv->phyname,
fee354c7 12124 MAC2STR(drv->perm_addr),
a771c07d
JM		 12125 drv->ifindex,
12126 drv->operstate,
12127 scan_state_str(drv->scan_state),
12128 MAC2STR(drv->auth_bssid),
12129 MAC2STR(drv->auth_attempt_bssid),
12130 MAC2STR(drv->bssid),
12131 MAC2STR(drv->prev_bssid),
12132 drv->associated,
12133 drv->assoc_freq,
12134 drv->monitor_sock,
12135 drv->monitor_ifidx,
12136 drv->monitor_refcount,
12137 drv->last_mgmt_freq,
12138 drv->eapol_tx_sock,
12139 drv->ignore_if_down_event ?
12140 "ignore_if_down_event=1\n" : "",
12141 drv->scan_complete_events ?
12142 "scan_complete_events=1\n" : "",
12143 drv->disabled_11b_rates ?
12144 "disabled_11b_rates=1\n" : "",
12145 drv->pending_remain_on_chan ?
12146 "pending_remain_on_chan=1\n" : "",
12147 drv->in_interface_list ? "in_interface_list=1\n" : "",
12148 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
12149 drv->poll_command_supported ?
12150 "poll_command_supported=1\n" : "",
12151 drv->data_tx_status ? "data_tx_status=1\n" : "",
12152 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
12153 drv->retry_auth ? "retry_auth=1\n" : "",
12154 drv->use_monitor ? "use_monitor=1\n" : "",
12155 drv->ignore_next_local_disconnect ?
12156 "ignore_next_local_disconnect=1\n" : "",
d6a36f39
JM		 12157 drv->ignore_next_local_deauth ?
12158 "ignore_next_local_deauth=1\n" : "",
a771c07d
JM		 12159 drv->allow_p2p_device ? "allow_p2p_device=1\n" : "");
12160 if (res < 0 || res >= end - pos)
12161 return pos - buf;
12162 pos += res;
12163
12164 if (drv->has_capability) {
12165 res = os_snprintf(pos, end - pos,
12166 "capa.key_mgmt=0x%x\n"
12167 "capa.enc=0x%x\n"
12168 "capa.auth=0x%x\n"
24bd4e0b 12169 "capa.flags=0x%llx\n"
a771c07d
JM		 12170 "capa.max_scan_ssids=%d\n"
12171 "capa.max_sched_scan_ssids=%d\n"
12172 "capa.sched_scan_supported=%d\n"
12173 "capa.max_match_sets=%d\n"
12174 "capa.max_remain_on_chan=%u\n"
12175 "capa.max_stations=%u\n"
12176 "capa.probe_resp_offloads=0x%x\n"
12177 "capa.max_acl_mac_addrs=%u\n"
12178 "capa.num_multichan_concurrent=%u\n",
12179 drv->capa.key_mgmt,
12180 drv->capa.enc,
12181 drv->capa.auth,
24bd4e0b 12182 (unsigned long long) drv->capa.flags,
a771c07d
JM		 12183 drv->capa.max_scan_ssids,
12184 drv->capa.max_sched_scan_ssids,
12185 drv->capa.sched_scan_supported,
12186 drv->capa.max_match_sets,
12187 drv->capa.max_remain_on_chan,
12188 drv->capa.max_stations,
12189 drv->capa.probe_resp_offloads,
12190 drv->capa.max_acl_mac_addrs,
12191 drv->capa.num_multichan_concurrent);
12192 if (res < 0 || res >= end - pos)
12193 return pos - buf;
12194 pos += res;
12195 }
12196
12197 return pos - buf;
12198}
12199
12200
1c4ffa87
AO		 12201static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
12202{
12203 if (settings->head)
12204 NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD,
12205 settings->head_len, settings->head);
12206
12207 if (settings->tail)
12208 NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL,
12209 settings->tail_len, settings->tail);
12210
12211 if (settings->beacon_ies)
12212 NLA_PUT(msg, NL80211_ATTR_IE,
12213 settings->beacon_ies_len, settings->beacon_ies);
12214
12215 if (settings->proberesp_ies)
12216 NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP,
12217 settings->proberesp_ies_len, settings->proberesp_ies);
12218
12219 if (settings->assocresp_ies)
12220 NLA_PUT(msg,
12221 NL80211_ATTR_IE_ASSOC_RESP,
12222 settings->assocresp_ies_len, settings->assocresp_ies);
12223
12224 if (settings->probe_resp)
12225 NLA_PUT(msg, NL80211_ATTR_PROBE_RESP,
12226 settings->probe_resp_len, settings->probe_resp);
12227
12228 return 0;
12229
12230nla_put_failure:
12231 return -ENOBUFS;
12232}
12233
12234
12235static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
12236{
12237 struct nl_msg *msg;
12238 struct i802_bss *bss = priv;
12239 struct wpa_driver_nl80211_data *drv = bss->drv;
12240 struct nlattr *beacon_csa;
12241 int ret = -ENOBUFS;
12242
8d1fdde7 12243 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 12244 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 12245 settings->freq_params.freq, settings->freq_params.bandwidth,
12246 settings->freq_params.center_freq1,
12247 settings->freq_params.center_freq2);
1c4ffa87 12248
991aa9c7 12249 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 12250 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
12251 return -EOPNOTSUPP;
12252 }
12253
12254 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
12255 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
12256 return -EOPNOTSUPP;
12257
12258 /* check settings validity */
12259 if (!settings->beacon_csa.tail ||
12260 ((settings->beacon_csa.tail_len <=
12261 settings->counter_offset_beacon) ||
12262 (settings->beacon_csa.tail[settings->counter_offset_beacon] !=
12263 settings->cs_count)))
12264 return -EINVAL;
12265
12266 if (settings->beacon_csa.probe_resp &&
12267 ((settings->beacon_csa.probe_resp_len <=
12268 settings->counter_offset_presp) ||
12269 (settings->beacon_csa.probe_resp[settings->counter_offset_presp] !=
12270 settings->cs_count)))
12271 return -EINVAL;
12272
12273 msg = nlmsg_alloc();
12274 if (!msg)
12275 return -ENOMEM;
12276
12277 nl80211_cmd(drv, msg, 0, NL80211_CMD_CHANNEL_SWITCH);
6782b684 12278 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
1c4ffa87
AO		 12279 NLA_PUT_U32(msg, NL80211_ATTR_CH_SWITCH_COUNT, settings->cs_count);
12280 ret = nl80211_put_freq_params(msg, &settings->freq_params);
12281 if (ret)
12282 goto error;
12283
12284 if (settings->block_tx)
12285 NLA_PUT_FLAG(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX);
12286
12287 /* beacon_after params */
12288 ret = set_beacon_data(msg, &settings->beacon_after);
12289 if (ret)
12290 goto error;
12291
12292 /* beacon_csa params */
12293 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
12294 if (!beacon_csa)
12295 goto nla_put_failure;
12296
12297 ret = set_beacon_data(msg, &settings->beacon_csa);
12298 if (ret)
12299 goto error;
12300
12301 NLA_PUT_U16(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
12302 settings->counter_offset_beacon);
12303
12304 if (settings->beacon_csa.probe_resp)
12305 NLA_PUT_U16(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
12306 settings->counter_offset_presp);
12307
12308 nla_nest_end(msg, beacon_csa);
12309 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
12310 if (ret) {
12311 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
12312 ret, strerror(-ret));
12313 }
12314 return ret;
12315
12316nla_put_failure:
12317 ret = -ENOBUFS;
12318error:
12319 nlmsg_free(msg);
12320 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
12321 return ret;
12322}
12323
12324
6b9f7af6
JM		 12325#ifdef CONFIG_TESTING_OPTIONS
12326static int cmd_reply_handler(struct nl_msg *msg, void *arg)
12327{
12328 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
12329 struct wpabuf *buf = arg;
12330
12331 if (!buf)
12332 return NL_SKIP;
12333
12334 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
12335 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
12336 return NL_SKIP;
12337 }
12338
12339 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
12340 genlmsg_attrlen(gnlh, 0));
12341
12342 return NL_SKIP;
12343}
12344#endif /* CONFIG_TESTING_OPTIONS */
12345
12346
adef8948
BL		 12347static int vendor_reply_handler(struct nl_msg *msg, void *arg)
12348{
12349 struct nlattr *tb[NL80211_ATTR_MAX + 1];
12350 struct nlattr *nl_vendor_reply, *nl;
12351 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
12352 struct wpabuf *buf = arg;
12353 int rem;
12354
12355 if (!buf)
12356 return NL_SKIP;
12357
12358 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
12359 genlmsg_attrlen(gnlh, 0), NULL);
12360 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
12361
12362 if (!nl_vendor_reply)
12363 return NL_SKIP;
12364
12365 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
12366 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
12367 return NL_SKIP;
12368 }
12369
12370 nla_for_each_nested(nl, nl_vendor_reply, rem) {
12371 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
12372 }
12373
12374 return NL_SKIP;
12375}
12376
12377
12378static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
12379 unsigned int subcmd, const u8 *data,
12380 size_t data_len, struct wpabuf *buf)
12381{
12382 struct i802_bss *bss = priv;
12383 struct wpa_driver_nl80211_data *drv = bss->drv;
12384 struct nl_msg *msg;
12385 int ret;
12386
12387 msg = nlmsg_alloc();
12388 if (!msg)
12389 return -ENOMEM;
12390
6b9f7af6
JM		 12391#ifdef CONFIG_TESTING_OPTIONS
12392 if (vendor_id == 0xffffffff) {
12393 nl80211_cmd(drv, msg, 0, subcmd);
12394 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
12395 0)
12396 goto nla_put_failure;
12397 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
12398 if (ret)
12399 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
12400 ret);
12401 return ret;
12402 }
12403#endif /* CONFIG_TESTING_OPTIONS */
12404
adef8948
BL		 12405 nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR);
12406 if (nl80211_set_iface_id(msg, bss) < 0)
12407 goto nla_put_failure;
12408 NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, vendor_id);
12409 NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd);
12410 if (data)
12411 NLA_PUT(msg, NL80211_ATTR_VENDOR_DATA, data_len, data);
12412
12413 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
12414 if (ret)
12415 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
12416 ret);
12417 return ret;
12418
12419nla_put_failure:
12420 nlmsg_free(msg);
12421 return -ENOBUFS;
12422}
12423
12424
049105b4
KP		 12425static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
12426 u8 qos_map_set_len)
12427{
12428 struct i802_bss *bss = priv;
12429 struct wpa_driver_nl80211_data *drv = bss->drv;
12430 struct nl_msg *msg;
12431 int ret;
12432
12433 msg = nlmsg_alloc();
12434 if (!msg)
12435 return -ENOMEM;
12436
12437 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
12438 qos_map_set, qos_map_set_len);
12439
12440 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_QOS_MAP);
12441 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
12442 NLA_PUT(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set);
12443
12444 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
12445 if (ret)
12446 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
12447
12448 return ret;
12449
12450nla_put_failure:
12451 nlmsg_free(msg);
12452 return -ENOBUFS;
12453}
12454
12455
e4fa8b12
EP		 12456static int nl80211_set_wowlan(void *priv,
12457 const struct wowlan_triggers *triggers)
12458{
12459 struct i802_bss *bss = priv;
12460 struct wpa_driver_nl80211_data *drv = bss->drv;
12461 struct nl_msg *msg;
12462 struct nlattr *wowlan_triggers;
12463 int ret;
12464
12465 msg = nlmsg_alloc();
12466 if (!msg)
12467 return -ENOMEM;
12468
12469 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
12470
12471 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WOWLAN);
12472 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
12473
12474 wowlan_triggers = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
12475 if (!wowlan_triggers)
12476 goto nla_put_failure;
12477
12478 if (triggers->any)
12479 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
12480 if (triggers->disconnect)
12481 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
12482 if (triggers->magic_pkt)
12483 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
12484 if (triggers->gtk_rekey_failure)
12485 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
12486 if (triggers->eap_identity_req)
12487 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
12488 if (triggers->four_way_handshake)
12489 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
12490 if (triggers->rfkill_release)
12491 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
12492
12493 nla_nest_end(msg, wowlan_triggers);
12494
12495 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
12496 if (ret)
12497 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
12498
12499 return ret;
12500
12501nla_put_failure:
12502 nlmsg_free(msg);
12503 return -ENOBUFS;
12504}
12505
12506
0800f9ee
JM		 12507static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
12508{
12509 struct i802_bss *bss = priv;
12510 struct wpa_driver_nl80211_data *drv = bss->drv;
12511 struct nl_msg *msg;
12512 struct nlattr *params;
12513
12514 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
12515
12516 if (!drv->roaming_vendor_cmd_avail) {
12517 wpa_printf(MSG_DEBUG,
12518 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
12519 return -1;
12520 }
12521
12522 msg = nlmsg_alloc();
12523 if (!msg)
12524 return -ENOMEM;
12525
12526 nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR);
12527
12528 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
12529 NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA);
12530 NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12531 QCA_NL80211_VENDOR_SUBCMD_ROAMING);
12532
12533 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
12534 if (!params)
12535 goto nla_put_failure;
12536 NLA_PUT_U32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
12537 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
12538 QCA_ROAMING_NOT_ALLOWED);
12539 if (bssid)
12540 NLA_PUT(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid);
12541 nla_nest_end(msg, params);
12542
12543 return send_and_recv_msgs(drv, msg, NULL, NULL);
12544
12545 nla_put_failure:
12546 nlmsg_free(msg);
12547 return -1;
12548}
12549
12550
fee354c7
JM		 12551static int nl80211_set_mac_addr(void *priv, const u8 *addr)
12552{
12553 struct i802_bss *bss = priv;
12554 struct wpa_driver_nl80211_data *drv = bss->drv;
12555 int new_addr = addr != NULL;
12556
12557 if (!addr)
12558 addr = drv->perm_addr;
12559
12560 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
12561 return -1;
12562
12563 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
12564 {
12565 wpa_printf(MSG_DEBUG,
12566 "nl80211: failed to set_mac_addr for %s to " MACSTR,
12567 bss->ifname, MAC2STR(addr));
12568 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
12569 1) < 0) {
12570 wpa_printf(MSG_DEBUG,
12571 "nl80211: Could not restore interface UP after failed set_mac_addr");
12572 }
12573 return -1;
12574 }
12575
12576 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
12577 bss->ifname, MAC2STR(addr));
12578 drv->addr_changed = new_addr;
12579 os_memcpy(bss->addr, addr, ETH_ALEN);
12580
12581 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
12582 {
12583 wpa_printf(MSG_DEBUG,
12584 "nl80211: Could not restore interface UP after set_mac_addr");
12585 }
12586
12587 return 0;
12588}
12589
12590
6c1664f6
BC		 12591#ifdef CONFIG_MESH
12592
12593static int wpa_driver_nl80211_init_mesh(void *priv)
12594{
12595 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
12596 wpa_printf(MSG_INFO,
12597 "nl80211: Failed to set interface into mesh mode");
12598 return -1;
12599 }
12600 return 0;
12601}
12602
12603
12604static int
12605wpa_driver_nl80211_join_mesh(void *priv,
12606 struct wpa_driver_mesh_join_params *params)
12607{
12608 struct i802_bss *bss = priv;
12609 struct wpa_driver_nl80211_data *drv = bss->drv;
12610 struct nl_msg *msg;
12611 struct nlattr *container;
12612 int ret = 0;
12613
12614 msg = nlmsg_alloc();
12615 if (!msg)
12616 return -1;
12617
12618 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
12619 nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_MESH);
12620
12621 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
12622 /* XXX: need chtype too in case we want HT */
12623 if (params->freq) {
12624 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
12625 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
12626 }
12627
12628 if (params->basic_rates) {
12629 u8 rates[NL80211_MAX_SUPP_RATES];
12630 u8 rates_len = 0;
12631 int i;
12632
12633 for (i = 0; i < NL80211_MAX_SUPP_RATES; i++) {
12634 if (params->basic_rates[i] < 0)
12635 break;
12636 rates[rates_len++] = params->basic_rates[i] / 5;
12637 }
12638
12639 NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
12640 }
12641
12642 if (params->meshid) {
12643 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
12644 params->meshid, params->meshid_len);
12645 NLA_PUT(msg, NL80211_ATTR_MESH_ID, params->meshid_len,
12646 params->meshid);
12647 }
12648
12649 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
12650
12651 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
12652 if (!container)
12653 goto nla_put_failure;
12654
12655 if (params->ies) {
12656 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
12657 NLA_PUT(msg, NL80211_MESH_SETUP_IE, params->ie_len,
12658 params->ies);
12659 }
12660 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
12661 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
12662 NLA_PUT_U8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1);
12663 NLA_PUT_FLAG(msg, NL80211_MESH_SETUP_USERSPACE_AUTH);
12664 }
12665 if (params->flags & WPA_DRIVER_MESH_FLAG_AMPE)
12666 NLA_PUT_FLAG(msg, NL80211_MESH_SETUP_USERSPACE_AMPE);
12667 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
12668 NLA_PUT_FLAG(msg, NL80211_MESH_SETUP_USERSPACE_MPM);
12669 nla_nest_end(msg, container);
12670
12671 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
12672 if (!container)
12673 goto nla_put_failure;
12674
12675 if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS))
12676 NLA_PUT_U32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0);
12677 nla_nest_end(msg, container);
12678
12679 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
12680 msg = NULL;
12681 if (ret) {
12682 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
12683 ret, strerror(-ret));
12684 goto nla_put_failure;
12685 }
12686 ret = 0;
12687 bss->freq = params->freq;
12688 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
12689
12690
12691nla_put_failure:
12692 nlmsg_free(msg);
12693 return ret;
12694}
12695
12696
12697static int wpa_driver_nl80211_leave_mesh(void *priv)
12698{
12699 struct i802_bss *bss = priv;
12700 struct wpa_driver_nl80211_data *drv = bss->drv;
12701 struct nl_msg *msg;
12702 int ret = 0;
12703
12704 msg = nlmsg_alloc();
12705 if (!msg)
12706 return -1;
12707
12708 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
12709 nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_MESH);
12710 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
12711
12712 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
12713 msg = NULL;
12714 if (ret) {
12715 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
12716 ret, strerror(-ret));
12717 goto nla_put_failure;
12718 }
12719 ret = 0;
12720 wpa_printf(MSG_DEBUG, "nl80211: mesh leave request send successfully");
12721
12722nla_put_failure:
12723 nlmsg_free(msg);
12724 return ret;
12725}
12726
12727#endif /* CONFIG_MESH */
12728
12729
3f5285e8
JM		 12730const struct wpa_driver_ops wpa_driver_nl80211_ops = {
12731 .name = "nl80211",
12732 .desc = "Linux nl80211/cfg80211",
12733 .get_bssid = wpa_driver_nl80211_get_bssid,
12734 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 12735 .set_key = driver_nl80211_set_key,
12736 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 12737 .sched_scan = wpa_driver_nl80211_sched_scan,
12738 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 12739 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
9ebce9c5
JM		 12740 .deauthenticate = driver_nl80211_deauthenticate,
12741 .authenticate = driver_nl80211_authenticate,
3f5285e8 12742 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 12743 .global_init = nl80211_global_init,
12744 .global_deinit = nl80211_global_deinit,
12745 .init2 = wpa_driver_nl80211_init,
9ebce9c5 12746 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 12747 .get_capa = wpa_driver_nl80211_get_capa,
12748 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 12749 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 12750 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 12751 .get_country = wpa_driver_nl80211_get_country,
19c3b566 12752 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 12753 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 12754 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 12755 .if_remove = driver_nl80211_if_remove,
12756 .send_mlme = driver_nl80211_send_mlme,
c3965310 12757 .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
0f4e8b4f 12758 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 12759 .sta_remove = driver_nl80211_sta_remove,
db149ac9 12760 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 12761 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837 12762 .hapd_init = i802_init,
c5121837 12763 .hapd_deinit = i802_deinit,
f7b3920c 12764 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 12765 .get_seqnum = i802_get_seqnum,
12766 .flush = i802_flush,
c5121837
JM		 12767 .get_inact_sec = i802_get_inact_sec,
12768 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 12769 .set_rts = i802_set_rts,
12770 .set_frag = i802_set_frag,
c5121837 12771 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 12772 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 12773 .sta_deauth = i802_sta_deauth,
12774 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 12775 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 12776 .set_freq = i802_set_freq,
9ebce9c5 12777 .send_action = driver_nl80211_send_action,
5dfca53f 12778 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 12779 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
12780 .cancel_remain_on_channel =
12781 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 12782 .probe_req_report = driver_nl80211_probe_req_report,
af473088 12783 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 12784 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 12785 .resume = wpa_driver_nl80211_resume,
7b90c16a 12786 .send_ft_action = nl80211_send_ft_action,
b625473c 12787 .signal_monitor = nl80211_signal_monitor,
1c5c7273 12788 .signal_poll = nl80211_signal_poll,
b91ab76e 12789 .send_frame = nl80211_send_frame,
57ebba59 12790 .shared_freq = wpa_driver_nl80211_shared_freq,
c55f774d 12791 .set_param = nl80211_set_param,
6859f1cb 12792 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 12793 .add_pmkid = nl80211_add_pmkid,
12794 .remove_pmkid = nl80211_remove_pmkid,
12795 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 12796 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 12797 .poll_client = nl80211_poll_client,
29f338af 12798 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 12799 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 12800 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 12801#ifdef CONFIG_TDLS
12802 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
12803 .tdls_oper = nl80211_tdls_oper,
12804#endif /* CONFIG_TDLS */
6a1ce395 12805 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 12806 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 12807 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 12808 .status = wpa_driver_nl80211_status,
1c4ffa87 12809 .switch_channel = nl80211_switch_channel,
0de38036
JM		 12810#ifdef ANDROID_P2P
12811 .set_noa = wpa_driver_set_p2p_noa,
12812 .get_noa = wpa_driver_get_p2p_noa,
12813 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
12814#endif /* ANDROID_P2P */
5e2c3490
JM		 12815#ifdef ANDROID
12816 .driver_cmd = wpa_driver_nl80211_driver_cmd,
12817#endif /* ANDROID */
adef8948 12818 .vendor_cmd = nl80211_vendor_cmd,
049105b4 12819 .set_qos_map = nl80211_set_qos_map,
e4fa8b12 12820 .set_wowlan = nl80211_set_wowlan,
0800f9ee 12821 .roaming = nl80211_roaming,
fee354c7 12822 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 12823#ifdef CONFIG_MESH
12824 .init_mesh = wpa_driver_nl80211_init_mesh,
12825 .join_mesh = wpa_driver_nl80211_join_mesh,
12826 .leave_mesh = wpa_driver_nl80211_leave_mesh,
12827#endif /* CONFIG_MESH */
3f5285e8 12828};
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