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