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