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IBSS RSN: Fix disconnect() with internal SME
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
3d9975d5 3 * Copyright (c) 2002-2012, 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"
1b648c7e 31#include "common/ieee802_11_defs.h"
9b90955e 32#include "common/ieee802_11_common.h"
f10bfc9a 33#include "l2_packet/l2_packet.h"
e2d02c29 34#include "netlink.h"
34f2f814 35#include "linux_ioctl.h"
e2d02c29
JM		 36#include "radiotap.h"
37#include "radiotap_iter.h"
8401a6b0 38#include "rfkill.h"
1b648c7e 39#include "driver.h"
0915d02c 40
32ab4855
JB		 41#ifndef SO_WIFI_STATUS
42# if defined(__sparc__)
43# define SO_WIFI_STATUS 0x0025
44# elif defined(__parisc__)
45# define SO_WIFI_STATUS 0x4022
46# else
47# define SO_WIFI_STATUS 41
48# endif
49
50# define SCM_WIFI_STATUS SO_WIFI_STATUS
51#endif
52
53#ifndef SO_EE_ORIGIN_TXSTATUS
54#define SO_EE_ORIGIN_TXSTATUS 4
55#endif
56
57#ifndef PACKET_TX_TIMESTAMP
58#define PACKET_TX_TIMESTAMP 16
59#endif
60
216eede8
DS		 61#ifdef ANDROID
62#include "android_drv.h"
63#endif /* ANDROID */
c5121837
JM		 64#ifdef CONFIG_LIBNL20
65/* libnl 2.0 compatibility code */
2e8eac2d 66#define nl_handle nl_sock
a65a9aed
JB		 67#define nl80211_handle_alloc nl_socket_alloc_cb
68#define nl80211_handle_destroy nl_socket_free
69#else
70/*
71 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
72 * but when you free a socket again it will mess up its bitmap and
73 * and use the wrong number the next time it needs a socket ID.
74 * Therefore, we wrap the handle alloc/destroy and add our own pid
75 * accounting.
76 */
77static uint32_t port_bitmap[32] = { 0 };
78
79static struct nl_handle *nl80211_handle_alloc(void *cb)
80{
81 struct nl_handle *handle;
82 uint32_t pid = getpid() & 0x3FFFFF;
83 int i;
84
85 handle = nl_handle_alloc_cb(cb);
86
87 for (i = 0; i < 1024; i++) {
88 if (port_bitmap[i / 32] & (1 << (i % 32)))
89 continue;
90 port_bitmap[i / 32] |= 1 << (i % 32);
91 pid += i << 22;
92 break;
93 }
94
95 nl_socket_set_local_port(handle, pid);
96
97 return handle;
98}
99
100static void nl80211_handle_destroy(struct nl_handle *handle)
101{
102 uint32_t port = nl_socket_get_local_port(handle);
103
104 port >>= 22;
105 port_bitmap[port / 32] &= ~(1 << (port % 32));
106
107 nl_handle_destroy(handle);
108}
c5121837
JM		 109#endif /* CONFIG_LIBNL20 */
110
c5121837 111
481234cf 112static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 113{
481234cf 114 struct nl_handle *handle;
a92dfde8 115
481234cf
JM		 116 handle = nl80211_handle_alloc(cb);
117 if (handle == NULL) {
a92dfde8
JB		 118 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
119 "callbacks (%s)", dbg);
481234cf 120 return NULL;
a92dfde8
JB		 121 }
122
481234cf 123 if (genl_connect(handle)) {
a92dfde8
JB		 124 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
125 "netlink (%s)", dbg);
481234cf
JM		 126 nl80211_handle_destroy(handle);
127 return NULL;
a92dfde8
JB		 128 }
129
481234cf 130 return handle;
a92dfde8
JB		 131}
132
133
481234cf 134static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 135{
481234cf 136 if (*handle == NULL)
a92dfde8 137 return;
481234cf
JM		 138 nl80211_handle_destroy(*handle);
139 *handle = NULL;
a92dfde8
JB		 140}
141
142
3f5285e8
JM		 143#ifndef IFF_LOWER_UP
144#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
145#endif
146#ifndef IFF_DORMANT
147#define IFF_DORMANT 0x20000 /* driver signals dormant */
148#endif
149
150#ifndef IF_OPER_DORMANT
151#define IF_OPER_DORMANT 5
152#endif
153#ifndef IF_OPER_UP
154#define IF_OPER_UP 6
155#endif
156
f2ed8023
JM		 157struct nl80211_global {
158 struct dl_list interfaces;
ff6a158b 159 int if_add_ifindex;
f632e483
AS		 160 u64 if_add_wdevid;
161 int if_add_wdevid_set;
36d84860 162 struct netlink_data *netlink;
2a7b66f5 163 struct nl_cb *nl_cb;
481234cf 164 struct nl_handle *nl;
335d42b1 165 int nl80211_id;
c81eff1a 166 int ioctl_sock; /* socket for ioctl() use */
d6c9aab8 167
481234cf 168 struct nl_handle *nl_event;
f2ed8023
JM		 169};
170
e32ad281
JB		 171struct nl80211_wiphy_data {
172 struct dl_list list;
173 struct dl_list bsss;
174 struct dl_list drvs;
175
481234cf 176 struct nl_handle *nl_beacons;
e32ad281
JB		 177 struct nl_cb *nl_cb;
178
179 int wiphy_idx;
180};
181
36d84860
BG		 182static void nl80211_global_deinit(void *priv);
183
c5121837 184struct i802_bss {
a2e40bb6 185 struct wpa_driver_nl80211_data *drv;
c5121837 186 struct i802_bss *next;
b4fd6fab 187 int ifindex;
d3aaef80 188 u64 wdev_id;
a2e40bb6 189 char ifname[IFNAMSIZ + 1];
e17a2477 190 char brname[IFNAMSIZ];
c5121837 191 unsigned int beacon_set:1;
e17a2477
JM		 192 unsigned int added_if_into_bridge:1;
193 unsigned int added_bridge:1;
873d0fcf 194 unsigned int in_deinit:1;
d3aaef80 195 unsigned int wdev_id_set:1;
221a59c9 196
341eebee
JB		 197 u8 addr[ETH_ALEN];
198
e4fb2167
JB		 199 int freq;
200
a5e1eb20 201 void *ctx;
481234cf 202 struct nl_handle *nl_preq, *nl_mgmt;
cc7a48d1 203 struct nl_cb *nl_cb;
e32ad281
JB		 204
205 struct nl80211_wiphy_data *wiphy_data;
206 struct dl_list wiphy_list;
c5121837 207};
3f5285e8
JM		 208
209struct wpa_driver_nl80211_data {
f2ed8023
JM		 210 struct nl80211_global *global;
211 struct dl_list list;
e32ad281 212 struct dl_list wiphy_list;
6859f1cb 213 char phyname[32];
3f5285e8 214 void *ctx;
3f5285e8 215 int ifindex;
7524cfb1 216 int if_removed;
a63063b4 217 int if_disabled;
7d9c3698 218 int ignore_if_down_event;
8401a6b0 219 struct rfkill_data *rfkill;
c2a04078 220 struct wpa_driver_capa capa;
8cd6b7bc
JB		 221 u8 *extended_capa, *extended_capa_mask;
222 unsigned int extended_capa_len;
c2a04078 223 int has_capability;
c2a04078 224
3f5285e8
JM		 225 int operstate;
226
3f5285e8
JM		 227 int scan_complete_events;
228
1afc986d 229 struct nl_cb *nl_cb;
1c873584 230
e6b8efeb 231 u8 auth_bssid[ETH_ALEN];
add9b7a4 232 u8 auth_attempt_bssid[ETH_ALEN];
c2a04078 233 u8 bssid[ETH_ALEN];
add9b7a4 234 u8 prev_bssid[ETH_ALEN];
c2a04078 235 int associated;
fd05d64e
JM		 236 u8 ssid[32];
237 size_t ssid_len;
b1f625e0
EP		 238 enum nl80211_iftype nlmode;
239 enum nl80211_iftype ap_scan_as_station;
4832ecd7 240 unsigned int assoc_freq;
d2440ba0 241
0915d02c
JM		 242 int monitor_sock;
243 int monitor_ifidx;
3fd1cefb 244 int monitor_refcount;
7da3abe7 245
b3af99d2 246 unsigned int disabled_11b_rates:1;
55777702 247 unsigned int pending_remain_on_chan:1;
dac12351 248 unsigned int in_interface_list:1;
61cbe2ff 249 unsigned int device_ap_sme:1;
39718852 250 unsigned int poll_command_supported:1;
32ab4855 251 unsigned int data_tx_status:1;
536fd62d
JM		 252 unsigned int scan_for_auth:1;
253 unsigned int retry_auth:1;
a11241fa 254 unsigned int use_monitor:1;
a8c5b43a 255 unsigned int ignore_next_local_disconnect:1;
851b0c55 256 unsigned int allow_p2p_device:1;
55777702
JM		 257
258 u64 remain_on_chan_cookie;
58f6fbe0 259 u64 send_action_cookie;
c5121837 260
5582a5d1
JB		 261 unsigned int last_mgmt_freq;
262
3812464c
JM		 263 struct wpa_driver_scan_filter *filter_ssids;
264 size_t num_filter_ssids;
265
a2e40bb6
FF		 266 struct i802_bss first_bss;
267
d12dab4c 268 int eapol_tx_sock;
f10bfc9a 269
c5121837 270#ifdef HOSTAPD
c5121837 271 int eapol_sock; /* socket for EAPOL frames */
c5121837
JM		 272
273 int default_if_indices[16];
274 int *if_indices;
275 int num_if_indices;
276
c5121837
JM		 277 int last_freq;
278 int last_freq_ht;
c5121837 279#endif /* HOSTAPD */
536fd62d
JM		 280
281 /* From failed authentication command */
282 int auth_freq;
283 u8 auth_bssid_[ETH_ALEN];
284 u8 auth_ssid[32];
285 size_t auth_ssid_len;
286 int auth_alg;
287 u8 *auth_ie;
288 size_t auth_ie_len;
289 u8 auth_wep_key[4][16];
290 size_t auth_wep_key_len[4];
291 int auth_wep_tx_keyidx;
292 int auth_local_state_change;
293 int auth_p2p;
3f5285e8
JM		 294};
295
296
9ebce9c5 297static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
3f5285e8
JM		 298static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
299 void *timeout_ctx);
b1f625e0
EP		 300static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
301 enum nl80211_iftype nlmode);
362f781e 302static int
7524cfb1 303wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv);
d72aad94 304static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 305 const u8 *addr, int cmd, u16 reason_code,
306 int local_state_change);
460456f8
JM		 307static void nl80211_remove_monitor_interface(
308 struct wpa_driver_nl80211_data *drv);
88df0ef7 309static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 310 unsigned int freq, unsigned int wait,
b106173a 311 const u8 *buf, size_t buf_len, u64 *cookie,
88df0ef7 312 int no_cck, int no_ack, int offchanok);
9ebce9c5
JM		 313static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
314 int report);
216eede8
DS		 315#ifdef ANDROID
316static int android_pno_start(struct i802_bss *bss,
317 struct wpa_driver_scan_params *params);
318static int android_pno_stop(struct i802_bss *bss);
319#endif /* ANDROID */
0915d02c 320
072ad14c 321#ifdef HOSTAPD
2135f224
JM		 322static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
323static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
97cfcf64 324static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
9ebce9c5 325static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
fbbfcbac
FF		 326 enum wpa_driver_if_type type,
327 const char *ifname);
37eb8da9 328#else /* HOSTAPD */
bd2df892
JM		 329static inline void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
330{
331}
332
333static inline void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
334{
335}
336
337static inline int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
37eb8da9
JM		 338{
339 return 0;
340}
072ad14c
JM		 341#endif /* HOSTAPD */
342
9ebce9c5
JM		 343static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
344 struct hostapd_freq_params *freq);
4e5cb1a3
JM		 345static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
346 int ifindex, int disabled);
504e905c 347
21bdbe38 348static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv);
536fd62d
JM		 349static int wpa_driver_nl80211_authenticate_retry(
350 struct wpa_driver_nl80211_data *drv);
21bdbe38 351
3f5285e8 352
2090a0b4
DS		 353static const char * nl80211_command_to_string(enum nl80211_commands cmd)
354{
355#define C2S(x) case x: return #x;
356 switch (cmd) {
357 C2S(NL80211_CMD_UNSPEC)
358 C2S(NL80211_CMD_GET_WIPHY)
359 C2S(NL80211_CMD_SET_WIPHY)
360 C2S(NL80211_CMD_NEW_WIPHY)
361 C2S(NL80211_CMD_DEL_WIPHY)
362 C2S(NL80211_CMD_GET_INTERFACE)
363 C2S(NL80211_CMD_SET_INTERFACE)
364 C2S(NL80211_CMD_NEW_INTERFACE)
365 C2S(NL80211_CMD_DEL_INTERFACE)
366 C2S(NL80211_CMD_GET_KEY)
367 C2S(NL80211_CMD_SET_KEY)
368 C2S(NL80211_CMD_NEW_KEY)
369 C2S(NL80211_CMD_DEL_KEY)
370 C2S(NL80211_CMD_GET_BEACON)
371 C2S(NL80211_CMD_SET_BEACON)
372 C2S(NL80211_CMD_START_AP)
373 C2S(NL80211_CMD_STOP_AP)
374 C2S(NL80211_CMD_GET_STATION)
375 C2S(NL80211_CMD_SET_STATION)
376 C2S(NL80211_CMD_NEW_STATION)
377 C2S(NL80211_CMD_DEL_STATION)
378 C2S(NL80211_CMD_GET_MPATH)
379 C2S(NL80211_CMD_SET_MPATH)
380 C2S(NL80211_CMD_NEW_MPATH)
381 C2S(NL80211_CMD_DEL_MPATH)
382 C2S(NL80211_CMD_SET_BSS)
383 C2S(NL80211_CMD_SET_REG)
384 C2S(NL80211_CMD_REQ_SET_REG)
385 C2S(NL80211_CMD_GET_MESH_CONFIG)
386 C2S(NL80211_CMD_SET_MESH_CONFIG)
387 C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
388 C2S(NL80211_CMD_GET_REG)
389 C2S(NL80211_CMD_GET_SCAN)
390 C2S(NL80211_CMD_TRIGGER_SCAN)
391 C2S(NL80211_CMD_NEW_SCAN_RESULTS)
392 C2S(NL80211_CMD_SCAN_ABORTED)
393 C2S(NL80211_CMD_REG_CHANGE)
394 C2S(NL80211_CMD_AUTHENTICATE)
395 C2S(NL80211_CMD_ASSOCIATE)
396 C2S(NL80211_CMD_DEAUTHENTICATE)
397 C2S(NL80211_CMD_DISASSOCIATE)
398 C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
399 C2S(NL80211_CMD_REG_BEACON_HINT)
400 C2S(NL80211_CMD_JOIN_IBSS)
401 C2S(NL80211_CMD_LEAVE_IBSS)
402 C2S(NL80211_CMD_TESTMODE)
403 C2S(NL80211_CMD_CONNECT)
404 C2S(NL80211_CMD_ROAM)
405 C2S(NL80211_CMD_DISCONNECT)
406 C2S(NL80211_CMD_SET_WIPHY_NETNS)
407 C2S(NL80211_CMD_GET_SURVEY)
408 C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
409 C2S(NL80211_CMD_SET_PMKSA)
410 C2S(NL80211_CMD_DEL_PMKSA)
411 C2S(NL80211_CMD_FLUSH_PMKSA)
412 C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
413 C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
414 C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
415 C2S(NL80211_CMD_REGISTER_FRAME)
416 C2S(NL80211_CMD_FRAME)
417 C2S(NL80211_CMD_FRAME_TX_STATUS)
418 C2S(NL80211_CMD_SET_POWER_SAVE)
419 C2S(NL80211_CMD_GET_POWER_SAVE)
420 C2S(NL80211_CMD_SET_CQM)
421 C2S(NL80211_CMD_NOTIFY_CQM)
422 C2S(NL80211_CMD_SET_CHANNEL)
423 C2S(NL80211_CMD_SET_WDS_PEER)
424 C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
425 C2S(NL80211_CMD_JOIN_MESH)
426 C2S(NL80211_CMD_LEAVE_MESH)
427 C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
428 C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
429 C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
430 C2S(NL80211_CMD_GET_WOWLAN)
431 C2S(NL80211_CMD_SET_WOWLAN)
432 C2S(NL80211_CMD_START_SCHED_SCAN)
433 C2S(NL80211_CMD_STOP_SCHED_SCAN)
434 C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
435 C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
436 C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
437 C2S(NL80211_CMD_PMKSA_CANDIDATE)
438 C2S(NL80211_CMD_TDLS_OPER)
439 C2S(NL80211_CMD_TDLS_MGMT)
440 C2S(NL80211_CMD_UNEXPECTED_FRAME)
441 C2S(NL80211_CMD_PROBE_CLIENT)
442 C2S(NL80211_CMD_REGISTER_BEACONS)
443 C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
444 C2S(NL80211_CMD_SET_NOACK_MAP)
445 C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
446 C2S(NL80211_CMD_START_P2P_DEVICE)
447 C2S(NL80211_CMD_STOP_P2P_DEVICE)
448 C2S(NL80211_CMD_CONN_FAILED)
449 C2S(NL80211_CMD_SET_MCAST_RATE)
450 C2S(NL80211_CMD_SET_MAC_ACL)
451 C2S(NL80211_CMD_RADAR_DETECT)
452 C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
453 C2S(NL80211_CMD_UPDATE_FT_IES)
454 C2S(NL80211_CMD_FT_EVENT)
455 C2S(NL80211_CMD_CRIT_PROTOCOL_START)
456 C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
457 default:
458 return "NL80211_CMD_UNKNOWN";
459 }
460#undef C2S
461}
462
463
b1f625e0
EP		 464static int is_ap_interface(enum nl80211_iftype nlmode)
465{
466 return (nlmode == NL80211_IFTYPE_AP ||
467 nlmode == NL80211_IFTYPE_P2P_GO);
468}
469
470
471static int is_sta_interface(enum nl80211_iftype nlmode)
472{
473 return (nlmode == NL80211_IFTYPE_STATION ||
474 nlmode == NL80211_IFTYPE_P2P_CLIENT);
475}
476
477
6a71413e 478static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2
JM		 479{
480 return (nlmode == NL80211_IFTYPE_P2P_CLIENT ||
481 nlmode == NL80211_IFTYPE_P2P_GO);
482}
483
484
add9b7a4
JM		 485static void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
486{
487 if (drv->associated)
488 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
489 drv->associated = 0;
490 os_memset(drv->bssid, 0, ETH_ALEN);
491}
492
493
f5a8d422
JM		 494struct nl80211_bss_info_arg {
495 struct wpa_driver_nl80211_data *drv;
496 struct wpa_scan_results *res;
497 unsigned int assoc_freq;
20f5a4c2 498 u8 assoc_bssid[ETH_ALEN];
f5a8d422
JM		 499};
500
501static int bss_info_handler(struct nl_msg *msg, void *arg);
502
503
6241fcb1
JM		 504/* nl80211 code */
505static int ack_handler(struct nl_msg *msg, void *arg)
506{
507 int *err = arg;
508 *err = 0;
509 return NL_STOP;
510}
511
512static int finish_handler(struct nl_msg *msg, void *arg)
513{
8e8df255
JM		 514 int *ret = arg;
515 *ret = 0;
6241fcb1
JM		 516 return NL_SKIP;
517}
518
519static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
520 void *arg)
521{
522 int *ret = arg;
523 *ret = err->error;
524 return NL_SKIP;
525}
526
5b7b85f6
JM		 527
528static int no_seq_check(struct nl_msg *msg, void *arg)
529{
530 return NL_OK;
531}
532
533
d6c9aab8 534static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 535 struct nl_handle *nl_handle, struct nl_msg *msg,
536 int (*valid_handler)(struct nl_msg *, void *),
537 void *valid_data)
6241fcb1
JM		 538{
539 struct nl_cb *cb;
540 int err = -ENOMEM;
541
d6c9aab8 542 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 543 if (!cb)
544 goto out;
545
58f6fbe0 546 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 547 if (err < 0)
548 goto out;
549
550 err = 1;
551
552 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 553 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 554 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
555
556 if (valid_handler)
557 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
558 valid_handler, valid_data);
559
560 while (err > 0)
58f6fbe0 561 nl_recvmsgs(nl_handle, cb);
6241fcb1
JM		 562 out:
563 nl_cb_put(cb);
564 nlmsg_free(msg);
565 return err;
566}
567
568
d6c9aab8
JB		 569static int send_and_recv_msgs_global(struct nl80211_global *global,
570 struct nl_msg *msg,
571 int (*valid_handler)(struct nl_msg *, void *),
572 void *valid_data)
573{
481234cf 574 return send_and_recv(global, global->nl, msg, valid_handler,
d6c9aab8
JB		 575 valid_data);
576}
577
578
58f6fbe0
JM		 579static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
580 struct nl_msg *msg,
581 int (*valid_handler)(struct nl_msg *, void *),
582 void *valid_data)
583{
481234cf 584 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 585 valid_handler, valid_data);
58f6fbe0
JM		 586}
587
588
97865538
JM		 589struct family_data {
590 const char *group;
591 int id;
592};
593
594
d3aaef80
DS		 595static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
596{
597 if (bss->wdev_id_set)
598 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
599 else
600 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
601 return 0;
602
603nla_put_failure:
604 return -1;
605}
606
607
97865538
JM		 608static int family_handler(struct nl_msg *msg, void *arg)
609{
610 struct family_data *res = arg;
611 struct nlattr *tb[CTRL_ATTR_MAX + 1];
612 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
613 struct nlattr *mcgrp;
614 int i;
615
616 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
617 genlmsg_attrlen(gnlh, 0), NULL);
618 if (!tb[CTRL_ATTR_MCAST_GROUPS])
619 return NL_SKIP;
620
621 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
622 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
623 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
624 nla_len(mcgrp), NULL);
625 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
626 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
627 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
628 res->group,
629 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
630 continue;
631 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
632 break;
633 };
634
635 return NL_SKIP;
636}
637
638
d6c9aab8 639static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 640 const char *family, const char *group)
641{
642 struct nl_msg *msg;
643 int ret = -1;
644 struct family_data res = { group, -ENOENT };
645
646 msg = nlmsg_alloc();
647 if (!msg)
648 return -ENOMEM;
481234cf 649 genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
97865538
JM		 650 0, 0, CTRL_CMD_GETFAMILY, 0);
651 NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
652
d6c9aab8 653 ret = send_and_recv_msgs_global(global, msg, family_handler, &res);
97865538
JM		 654 msg = NULL;
655 if (ret == 0)
656 ret = res.id;
657
658nla_put_failure:
659 nlmsg_free(msg);
660 return ret;
661}
662
663
9fb04070
JM		 664static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
665 struct nl_msg *msg, int flags, uint8_t cmd)
666{
335d42b1 667 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 668 0, flags, cmd, 0);
9fb04070
JM		 669}
670
671
e32ad281
JB		 672struct wiphy_idx_data {
673 int wiphy_idx;
01517c8b 674 enum nl80211_iftype nlmode;
597b94f5 675 u8 *macaddr;
e32ad281
JB		 676};
677
678
679static int netdev_info_handler(struct nl_msg *msg, void *arg)
680{
681 struct nlattr *tb[NL80211_ATTR_MAX + 1];
682 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
683 struct wiphy_idx_data *info = arg;
684
685 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
686 genlmsg_attrlen(gnlh, 0), NULL);
687
688 if (tb[NL80211_ATTR_WIPHY])
689 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
690
01517c8b
JB		 691 if (tb[NL80211_ATTR_IFTYPE])
692 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
693
597b94f5
AS		 694 if (tb[NL80211_ATTR_MAC] && info->macaddr)
695 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
696 ETH_ALEN);
697
e32ad281
JB		 698 return NL_SKIP;
699}
700
701
702static int nl80211_get_wiphy_index(struct i802_bss *bss)
703{
704 struct nl_msg *msg;
705 struct wiphy_idx_data data = {
706 .wiphy_idx = -1,
597b94f5 707 .macaddr = NULL,
e32ad281
JB		 708 };
709
710 msg = nlmsg_alloc();
711 if (!msg)
8e12685c 712 return NL80211_IFTYPE_UNSPECIFIED;
e32ad281
JB		 713
714 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
715
27ce1d64
AS		 716 if (nl80211_set_iface_id(msg, bss) < 0)
717 goto nla_put_failure;
e32ad281
JB		 718
719 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
720 return data.wiphy_idx;
721 msg = NULL;
722nla_put_failure:
723 nlmsg_free(msg);
724 return -1;
725}
726
727
01517c8b
JB		 728static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
729{
730 struct nl_msg *msg;
731 struct wiphy_idx_data data = {
597b94f5
AS		 732 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
733 .macaddr = NULL,
01517c8b
JB		 734 };
735
736 msg = nlmsg_alloc();
737 if (!msg)
738 return -1;
739
740 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
741
f632e483
AS		 742 if (nl80211_set_iface_id(msg, bss) < 0)
743 goto nla_put_failure;
01517c8b
JB		 744
745 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
746 return data.nlmode;
747 msg = NULL;
748nla_put_failure:
749 nlmsg_free(msg);
750 return NL80211_IFTYPE_UNSPECIFIED;
751}
01517c8b
JB		 752
753
597b94f5
AS		 754#ifndef HOSTAPD
755static int nl80211_get_macaddr(struct i802_bss *bss)
756{
757 struct nl_msg *msg;
758 struct wiphy_idx_data data = {
759 .macaddr = bss->addr,
760 };
761
762 msg = nlmsg_alloc();
763 if (!msg)
764 return NL80211_IFTYPE_UNSPECIFIED;
765
766 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
767 if (nl80211_set_iface_id(msg, bss) < 0)
768 goto nla_put_failure;
769
770 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
771
772nla_put_failure:
773 nlmsg_free(msg);
774 return NL80211_IFTYPE_UNSPECIFIED;
775}
776#endif /* HOSTAPD */
777
778
e32ad281
JB		 779static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
780 struct nl80211_wiphy_data *w)
781{
782 struct nl_msg *msg;
783 int ret = -1;
784
785 msg = nlmsg_alloc();
786 if (!msg)
787 return -1;
788
789 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS);
790
791 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx);
792
481234cf 793 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 794 msg = NULL;
795 if (ret) {
796 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
797 "failed: ret=%d (%s)",
798 ret, strerror(-ret));
799 goto nla_put_failure;
800 }
801 ret = 0;
802nla_put_failure:
803 nlmsg_free(msg);
804 return ret;
805}
806
807
808static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
809{
810 struct nl80211_wiphy_data *w = eloop_ctx;
811
ee9fc67a 812 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281
JB		 813
814 nl_recvmsgs(handle, w->nl_cb);
815}
816
817
818static int process_beacon_event(struct nl_msg *msg, void *arg)
819{
820 struct nl80211_wiphy_data *w = arg;
821 struct wpa_driver_nl80211_data *drv;
822 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
823 struct nlattr *tb[NL80211_ATTR_MAX + 1];
824 union wpa_event_data event;
825
826 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
827 genlmsg_attrlen(gnlh, 0), NULL);
828
829 if (gnlh->cmd != NL80211_CMD_FRAME) {
830 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
831 gnlh->cmd);
832 return NL_SKIP;
833 }
834
835 if (!tb[NL80211_ATTR_FRAME])
836 return NL_SKIP;
837
838 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
839 wiphy_list) {
840 os_memset(&event, 0, sizeof(event));
841 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
842 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
843 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
844 }
845
846 return NL_SKIP;
847}
848
849
850static struct nl80211_wiphy_data *
851nl80211_get_wiphy_data_ap(struct i802_bss *bss)
852{
853 static DEFINE_DL_LIST(nl80211_wiphys);
854 struct nl80211_wiphy_data *w;
855 int wiphy_idx, found = 0;
856 struct i802_bss *tmp_bss;
857
858 if (bss->wiphy_data != NULL)
859 return bss->wiphy_data;
860
861 wiphy_idx = nl80211_get_wiphy_index(bss);
862
863 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
864 if (w->wiphy_idx == wiphy_idx)
865 goto add;
866 }
867
868 /* alloc new one */
869 w = os_zalloc(sizeof(*w));
870 if (w == NULL)
871 return NULL;
872 w->wiphy_idx = wiphy_idx;
873 dl_list_init(&w->bsss);
874 dl_list_init(&w->drvs);
875
876 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
877 if (!w->nl_cb) {
878 os_free(w);
879 return NULL;
880 }
881 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
882 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
883 w);
884
481234cf
JM		 885 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
886 "wiphy beacons");
887 if (w->nl_beacons == NULL) {
e32ad281
JB		 888 os_free(w);
889 return NULL;
890 }
891
892 if (nl80211_register_beacons(bss->drv, w)) {
893 nl_destroy_handles(&w->nl_beacons);
894 os_free(w);
895 return NULL;
896 }
897
481234cf
JM		 898 eloop_register_read_sock(nl_socket_get_fd(w->nl_beacons),
899 nl80211_recv_beacons, w, w->nl_beacons);
e32ad281
JB		 900
901 dl_list_add(&nl80211_wiphys, &w->list);
902
903add:
904 /* drv entry for this bss already there? */
905 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
906 if (tmp_bss->drv == bss->drv) {
907 found = 1;
908 break;
909 }
910 }
911 /* if not add it */
912 if (!found)
913 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
914
915 dl_list_add(&w->bsss, &bss->wiphy_list);
916 bss->wiphy_data = w;
917 return w;
918}
919
920
921static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
922{
923 struct nl80211_wiphy_data *w = bss->wiphy_data;
924 struct i802_bss *tmp_bss;
925 int found = 0;
926
927 if (w == NULL)
928 return;
929 bss->wiphy_data = NULL;
930 dl_list_del(&bss->wiphy_list);
931
932 /* still any for this drv present? */
933 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
934 if (tmp_bss->drv == bss->drv) {
935 found = 1;
936 break;
937 }
938 }
939 /* if not remove it */
940 if (!found)
941 dl_list_del(&bss->drv->wiphy_list);
942
943 if (!dl_list_empty(&w->bsss))
944 return;
945
481234cf 946 eloop_unregister_read_sock(nl_socket_get_fd(w->nl_beacons));
e32ad281
JB		 947
948 nl_cb_put(w->nl_cb);
949 nl_destroy_handles(&w->nl_beacons);
950 dl_list_del(&w->list);
951 os_free(w);
952}
953
954
3f5285e8
JM		 955static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
956{
a2e40bb6
FF		 957 struct i802_bss *bss = priv;
958 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 959 if (!drv->associated)
960 return -1;
961 os_memcpy(bssid, drv->bssid, ETH_ALEN);
962 return 0;
3f5285e8
JM		 963}
964
965
3f5285e8
JM		 966static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
967{
a2e40bb6
FF		 968 struct i802_bss *bss = priv;
969 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 970 if (!drv->associated)
971 return -1;
972 os_memcpy(ssid, drv->ssid, drv->ssid_len);
973 return drv->ssid_len;
3f5285e8
JM		 974}
975
976
7524cfb1 977static void wpa_driver_nl80211_event_link(struct wpa_driver_nl80211_data *drv,
08063178 978 char *buf, size_t len, int del)
3f5285e8
JM		 979{
980 union wpa_event_data event;
981
982 os_memset(&event, 0, sizeof(event));
983 if (len > sizeof(event.interface_status.ifname))
984 len = sizeof(event.interface_status.ifname) - 1;
985 os_memcpy(event.interface_status.ifname, buf, len);
986 event.interface_status.ievent = del ? EVENT_INTERFACE_REMOVED :
987 EVENT_INTERFACE_ADDED;
988
989 wpa_printf(MSG_DEBUG, "RTM_%sLINK, IFLA_IFNAME: Interface '%s' %s",
990 del ? "DEL" : "NEW",
991 event.interface_status.ifname,
992 del ? "removed" : "added");
993
a2e40bb6 994 if (os_strcmp(drv->first_bss.ifname, event.interface_status.ifname) == 0) {
d1f4942b
JM		 995 if (del) {
996 if (drv->if_removed) {
997 wpa_printf(MSG_DEBUG, "nl80211: if_removed "
998 "already set - ignore event");
999 return;
1000 }
7524cfb1 1001 drv->if_removed = 1;
d1f4942b
JM		 1002 } else {
1003 if (if_nametoindex(drv->first_bss.ifname) == 0) {
1004 wpa_printf(MSG_DEBUG, "nl80211: Interface %s "
1005 "does not exist - ignore "
1006 "RTM_NEWLINK",
1007 drv->first_bss.ifname);
1008 return;
1009 }
1010 if (!drv->if_removed) {
1011 wpa_printf(MSG_DEBUG, "nl80211: if_removed "
1012 "already cleared - ignore event");
1013 return;
1014 }
7524cfb1 1015 drv->if_removed = 0;
d1f4942b 1016 }
7524cfb1
JM		 1017 }
1018
08063178 1019 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
3f5285e8
JM		 1020}
1021
1022
7524cfb1 1023static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 1024 u8 *buf, size_t len)
7524cfb1 1025{
62d680c3 1026 int attrlen, rta_len;
7524cfb1
JM		 1027 struct rtattr *attr;
1028
62d680c3
JM		 1029 attrlen = len;
1030 attr = (struct rtattr *) buf;
7524cfb1
JM		 1031
1032 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1033 while (RTA_OK(attr, attrlen)) {
1034 if (attr->rta_type == IFLA_IFNAME) {
a2e40bb6 1035 if (os_strcmp(((char *) attr) + rta_len, drv->first_bss.ifname)
7524cfb1
JM		 1036 == 0)
1037 return 1;
1038 else
1039 break;
1040 }
1041 attr = RTA_NEXT(attr, attrlen);
1042 }
1043
1044 return 0;
1045}
1046
1047
1048static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 1049 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 1050{
1051 if (drv->ifindex == ifindex)
1052 return 1;
1053
62d680c3 1054 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
7524cfb1
JM		 1055 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
1056 "interface");
1057 wpa_driver_nl80211_finish_drv_init(drv);
1058 return 1;
1059 }
1060
1061 return 0;
1062}
1063
1064
36d84860
BG		 1065static struct wpa_driver_nl80211_data *
1066nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
1067{
1068 struct wpa_driver_nl80211_data *drv;
1069 dl_list_for_each(drv, &global->interfaces,
1070 struct wpa_driver_nl80211_data, list) {
1071 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
1072 have_ifidx(drv, idx))
1073 return drv;
1074 }
1075 return NULL;
1076}
1077
1078
62d680c3
JM		 1079static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1080 struct ifinfomsg *ifi,
1081 u8 *buf, size_t len)
3f5285e8 1082{
36d84860
BG		 1083 struct nl80211_global *global = ctx;
1084 struct wpa_driver_nl80211_data *drv;
62d680c3
JM		 1085 int attrlen, rta_len;
1086 struct rtattr *attr;
97cfcf64 1087 u32 brid = 0;
aef85ba2 1088 char namebuf[IFNAMSIZ];
3f5285e8 1089
36d84860
BG		 1090 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1091 if (!drv) {
97cfcf64
B		 1092 wpa_printf(MSG_DEBUG, "nl80211: Ignore event for foreign "
1093 "ifindex %d", ifi->ifi_index);
3f5285e8
JM		 1094 return;
1095 }
1096
1097 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: operstate=%d ifi_flags=0x%x "
1098 "(%s%s%s%s)",
1099 drv->operstate, ifi->ifi_flags,
1100 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1101 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1102 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1103 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4
JM		 1104
1105 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
59d24925
JM		 1106 if (if_indextoname(ifi->ifi_index, namebuf) &&
1107 linux_iface_up(drv->global->ioctl_sock,
1108 drv->first_bss.ifname) > 0) {
1109 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1110 "event since interface %s is up", namebuf);
1111 return;
1112 }
a63063b4 1113 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
7d9c3698
JM		 1114 if (drv->ignore_if_down_event) {
1115 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1116 "event generated by mode change");
1117 drv->ignore_if_down_event = 0;
1118 } else {
1119 drv->if_disabled = 1;
1120 wpa_supplicant_event(drv->ctx,
1121 EVENT_INTERFACE_DISABLED, NULL);
1122 }
a63063b4
JM		 1123 }
1124
1125 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2
JM		 1126 if (if_indextoname(ifi->ifi_index, namebuf) &&
1127 linux_iface_up(drv->global->ioctl_sock,
1128 drv->first_bss.ifname) == 0) {
1129 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1130 "event since interface %s is down",
1131 namebuf);
d1f4942b
JM		 1132 } else if (if_nametoindex(drv->first_bss.ifname) == 0) {
1133 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1134 "event since interface %s does not exist",
1135 drv->first_bss.ifname);
1136 } else if (drv->if_removed) {
1137 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1138 "event since interface %s is marked "
1139 "removed", drv->first_bss.ifname);
aef85ba2
JM		 1140 } else {
1141 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1142 drv->if_disabled = 0;
1143 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1144 NULL);
1145 }
a63063b4
JM		 1146 }
1147
3f5285e8
JM		 1148 /*
1149 * Some drivers send the association event before the operup event--in
1150 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1151 * fails. This will hit us when wpa_supplicant does not need to do
1152 * IEEE 802.1X authentication
1153 */
1154 if (drv->operstate == 1 &&
1155 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1156 !(ifi->ifi_flags & IFF_RUNNING))
36d84860 1157 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1158 -1, IF_OPER_UP);
3f5285e8 1159
62d680c3
JM		 1160 attrlen = len;
1161 attr = (struct rtattr *) buf;
3f5285e8
JM		 1162 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1163 while (RTA_OK(attr, attrlen)) {
d8816397 1164 if (attr->rta_type == IFLA_IFNAME) {
7524cfb1 1165 wpa_driver_nl80211_event_link(
08063178 1166 drv,
7524cfb1
JM		 1167 ((char *) attr) + rta_len,
1168 attr->rta_len - rta_len, 0);
97cfcf64
B		 1169 } else if (attr->rta_type == IFLA_MASTER)
1170 brid = nla_get_u32((struct nlattr *) attr);
3f5285e8
JM		 1171 attr = RTA_NEXT(attr, attrlen);
1172 }
97cfcf64
B		 1173
1174 if (ifi->ifi_family == AF_BRIDGE && brid) {
1175 /* device has been added to bridge */
97cfcf64
B		 1176 if_indextoname(brid, namebuf);
1177 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1178 brid, namebuf);
1179 add_ifidx(drv, brid);
1180 }
3f5285e8
JM		 1181}
1182
1183
62d680c3
JM		 1184static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1185 struct ifinfomsg *ifi,
1186 u8 *buf, size_t len)
3f5285e8 1187{
36d84860
BG		 1188 struct nl80211_global *global = ctx;
1189 struct wpa_driver_nl80211_data *drv;
62d680c3
JM		 1190 int attrlen, rta_len;
1191 struct rtattr *attr;
97cfcf64 1192 u32 brid = 0;
3f5285e8 1193
36d84860
BG		 1194 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1195 if (!drv) {
1196 wpa_printf(MSG_DEBUG, "nl80211: Ignore dellink event for "
1197 "foreign ifindex %d", ifi->ifi_index);
1198 return;
1199 }
1200
62d680c3
JM		 1201 attrlen = len;
1202 attr = (struct rtattr *) buf;
3f5285e8
JM		 1203
1204 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1205 while (RTA_OK(attr, attrlen)) {
1206 if (attr->rta_type == IFLA_IFNAME) {
7524cfb1 1207 wpa_driver_nl80211_event_link(
08063178 1208 drv,
7524cfb1
JM		 1209 ((char *) attr) + rta_len,
1210 attr->rta_len - rta_len, 1);
97cfcf64
B		 1211 } else if (attr->rta_type == IFLA_MASTER)
1212 brid = nla_get_u32((struct nlattr *) attr);
3f5285e8
JM		 1213 attr = RTA_NEXT(attr, attrlen);
1214 }
97cfcf64
B		 1215
1216 if (ifi->ifi_family == AF_BRIDGE && brid) {
1217 /* device has been removed from bridge */
1218 char namebuf[IFNAMSIZ];
1219 if_indextoname(brid, namebuf);
1220 wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
1221 "%s", brid, namebuf);
1222 del_ifidx(drv, brid);
1223 }
3f5285e8
JM		 1224}
1225
1226
c2a04078
JM		 1227static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
1228 const u8 *frame, size_t len)
1229{
1230 const struct ieee80211_mgmt *mgmt;
1231 union wpa_event_data event;
1232
7d81932d 1233 wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
c2a04078
JM		 1234 mgmt = (const struct ieee80211_mgmt *) frame;
1235 if (len < 24 + sizeof(mgmt->u.auth)) {
1236 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1237 "frame");
1238 return;
1239 }
1240
e6b8efeb 1241 os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1242 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
c2a04078
JM		 1243 os_memset(&event, 0, sizeof(event));
1244 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
1245 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
569fed90
JM		 1246 event.auth.auth_transaction =
1247 le_to_host16(mgmt->u.auth.auth_transaction);
c2a04078
JM		 1248 event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
1249 if (len > 24 + sizeof(mgmt->u.auth)) {
1250 event.auth.ies = mgmt->u.auth.variable;
1251 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
1252 }
1253
1254 wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
1255}
1256
1257
f5a8d422
JM		 1258static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1259{
1260 struct nl_msg *msg;
1261 int ret;
1262 struct nl80211_bss_info_arg arg;
1263
1264 os_memset(&arg, 0, sizeof(arg));
1265 msg = nlmsg_alloc();
1266 if (!msg)
1267 goto nla_put_failure;
1268
9fb04070 1269 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422
JM		 1270 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
1271
1272 arg.drv = drv;
1273 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1274 msg = NULL;
1275 if (ret == 0) {
1276 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1277 "associated BSS from scan results: %u MHz",
1278 arg.assoc_freq);
1279 return arg.assoc_freq ? arg.assoc_freq : drv->assoc_freq;
1280 }
1281 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1282 "(%s)", ret, strerror(-ret));
1283nla_put_failure:
1284 nlmsg_free(msg);
1285 return drv->assoc_freq;
1286}
1287
1288
c2a04078
JM		 1289static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
1290 const u8 *frame, size_t len)
1291{
1292 const struct ieee80211_mgmt *mgmt;
1293 union wpa_event_data event;
1294 u16 status;
1295
7d81932d 1296 wpa_printf(MSG_DEBUG, "nl80211: Associate event");
c2a04078
JM		 1297 mgmt = (const struct ieee80211_mgmt *) frame;
1298 if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
1299 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1300 "frame");
1301 return;
1302 }
1303
1304 status = le_to_host16(mgmt->u.assoc_resp.status_code);
1305 if (status != WLAN_STATUS_SUCCESS) {
efa46078 1306 os_memset(&event, 0, sizeof(event));
59ddf221 1307 event.assoc_reject.bssid = mgmt->bssid;
efa46078
JM		 1308 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1309 event.assoc_reject.resp_ies =
1310 (u8 *) mgmt->u.assoc_resp.variable;
1311 event.assoc_reject.resp_ies_len =
1312 len - 24 - sizeof(mgmt->u.assoc_resp);
1313 }
1314 event.assoc_reject.status_code = status;
1315
1316 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
c2a04078
JM		 1317 return;
1318 }
1319
1320 drv->associated = 1;
1321 os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1322 os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
c2a04078
JM		 1323
1324 os_memset(&event, 0, sizeof(event));
1325 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1326 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
1327 event.assoc_info.resp_ies_len =
efa46078 1328 len - 24 - sizeof(mgmt->u.assoc_resp);
c2a04078
JM		 1329 }
1330
4832ecd7
JM		 1331 event.assoc_info.freq = drv->assoc_freq;
1332
c2a04078
JM		 1333 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1334}
1335
c1bb3e0a 1336
da72a1c1
ZY		 1337static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
1338 enum nl80211_commands cmd, struct nlattr *status,
1339 struct nlattr *addr, struct nlattr *req_ie,
1340 struct nlattr *resp_ie)
1341{
1342 union wpa_event_data event;
1343
7da2c527
JM		 1344 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1345 /*
1346 * Avoid reporting two association events that would confuse
1347 * the core code.
1348 */
1349 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
1350 "when using userspace SME", cmd);
1351 return;
1352 }
1353
7d81932d
JM		 1354 if (cmd == NL80211_CMD_CONNECT)
1355 wpa_printf(MSG_DEBUG, "nl80211: Connect event");
1356 else if (cmd == NL80211_CMD_ROAM)
1357 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
1358
da72a1c1
ZY		 1359 os_memset(&event, 0, sizeof(event));
1360 if (cmd == NL80211_CMD_CONNECT &&
1361 nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
df89c1c8
JM		 1362 if (addr)
1363 event.assoc_reject.bssid = nla_data(addr);
da72a1c1
ZY		 1364 if (resp_ie) {
1365 event.assoc_reject.resp_ies = nla_data(resp_ie);
1366 event.assoc_reject.resp_ies_len = nla_len(resp_ie);
1367 }
1368 event.assoc_reject.status_code = nla_get_u16(status);
1369 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
1370 return;
1371 }
1372
1373 drv->associated = 1;
add9b7a4 1374 if (addr) {
da72a1c1 1375 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
add9b7a4
JM		 1376 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
1377 }
da72a1c1
ZY		 1378
1379 if (req_ie) {
1380 event.assoc_info.req_ies = nla_data(req_ie);
1381 event.assoc_info.req_ies_len = nla_len(req_ie);
1382 }
1383 if (resp_ie) {
1384 event.assoc_info.resp_ies = nla_data(resp_ie);
1385 event.assoc_info.resp_ies_len = nla_len(resp_ie);
1386 }
1387
f5a8d422
JM		 1388 event.assoc_info.freq = nl80211_get_assoc_freq(drv);
1389
da72a1c1
ZY		 1390 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1391}
c2a04078 1392
c1bb3e0a 1393
20f5a4c2 1394static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
3d9975d5
JM		 1395 struct nlattr *reason, struct nlattr *addr,
1396 struct nlattr *by_ap)
20f5a4c2
JM		 1397{
1398 union wpa_event_data data;
a8c5b43a 1399 unsigned int locally_generated = by_ap == NULL;
20f5a4c2
JM		 1400
1401 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1402 /*
1403 * Avoid reporting two disassociation events that could
1404 * confuse the core code.
1405 */
1406 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1407 "event when using userspace SME");
1408 return;
1409 }
1410
a8c5b43a
CW		 1411 if (drv->ignore_next_local_disconnect) {
1412 drv->ignore_next_local_disconnect = 0;
1413 if (locally_generated) {
1414 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1415 "event triggered during reassociation");
1416 return;
1417 }
1418 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
1419 "disconnect but got another disconnect "
1420 "event first");
1421 }
1422
7d81932d 1423 wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
add9b7a4 1424 nl80211_mark_disconnected(drv);
20f5a4c2
JM		 1425 os_memset(&data, 0, sizeof(data));
1426 if (reason)
2e9f078c
JM		 1427 data.deauth_info.reason_code = nla_get_u16(reason);
1428 data.deauth_info.locally_generated = by_ap == NULL;
1429 wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
20f5a4c2
JM		 1430}
1431
1432
1b487b8b
TP		 1433static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
1434 struct nlattr *freq, struct nlattr *type)
1435{
1436 union wpa_event_data data;
1437 int ht_enabled = 1;
1438 int chan_offset = 0;
1439
1440 wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
1441
1442 if (!freq || !type)
1443 return;
1444
1445 switch (nla_get_u32(type)) {
1446 case NL80211_CHAN_NO_HT:
1447 ht_enabled = 0;
1448 break;
1449 case NL80211_CHAN_HT20:
1450 break;
1451 case NL80211_CHAN_HT40PLUS:
1452 chan_offset = 1;
1453 break;
1454 case NL80211_CHAN_HT40MINUS:
1455 chan_offset = -1;
1456 break;
1457 }
1458
1459 data.ch_switch.freq = nla_get_u32(freq);
1460 data.ch_switch.ht_enabled = ht_enabled;
1461 data.ch_switch.ch_offset = chan_offset;
1462
1463 wpa_supplicant_event(drv->ctx, EVENT_CH_SWITCH, &data);
1464}
1465
1466
da1fb17c
JM		 1467static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
1468 enum nl80211_commands cmd, struct nlattr *addr)
1469{
1470 union wpa_event_data event;
1471 enum wpa_event_type ev;
1472
1473 if (nla_len(addr) != ETH_ALEN)
1474 return;
1475
1476 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
1477 cmd, MAC2STR((u8 *) nla_data(addr)));
1478
1479 if (cmd == NL80211_CMD_AUTHENTICATE)
1480 ev = EVENT_AUTH_TIMED_OUT;
1481 else if (cmd == NL80211_CMD_ASSOCIATE)
1482 ev = EVENT_ASSOC_TIMED_OUT;
1483 else
1484 return;
1485
1486 os_memset(&event, 0, sizeof(event));
1487 os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
1488 wpa_supplicant_event(drv->ctx, ev, &event);
1489}
1490
1491
5582a5d1 1492static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
da873dbb
JB		 1493 struct nlattr *freq, struct nlattr *sig,
1494 const u8 *frame, size_t len)
58f6fbe0
JM		 1495{
1496 const struct ieee80211_mgmt *mgmt;
1497 union wpa_event_data event;
1498 u16 fc, stype;
da873dbb 1499 int ssi_signal = 0;
58f6fbe0 1500
cc2ada86 1501 wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
58f6fbe0
JM		 1502 mgmt = (const struct ieee80211_mgmt *) frame;
1503 if (len < 24) {
1504 wpa_printf(MSG_DEBUG, "nl80211: Too short action frame");
1505 return;
1506 }
1507
1508 fc = le_to_host16(mgmt->frame_control);
1509 stype = WLAN_FC_GET_STYPE(fc);
1510
da873dbb
JB		 1511 if (sig)
1512 ssi_signal = (s32) nla_get_u32(sig);
1513
58f6fbe0 1514 os_memset(&event, 0, sizeof(event));
5582a5d1 1515 if (freq) {
58f6fbe0 1516 event.rx_action.freq = nla_get_u32(freq);
5582a5d1
JB		 1517 drv->last_mgmt_freq = event.rx_action.freq;
1518 }
1519 if (stype == WLAN_FC_STYPE_ACTION) {
1520 event.rx_action.da = mgmt->da;
1521 event.rx_action.sa = mgmt->sa;
1522 event.rx_action.bssid = mgmt->bssid;
1523 event.rx_action.category = mgmt->u.action.category;
1524 event.rx_action.data = &mgmt->u.action.category + 1;
1525 event.rx_action.len = frame + len - event.rx_action.data;
1526 wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event);
1527 } else {
1528 event.rx_mgmt.frame = frame;
1529 event.rx_mgmt.frame_len = len;
da873dbb 1530 event.rx_mgmt.ssi_signal = ssi_signal;
5582a5d1
JB		 1531 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
1532 }
58f6fbe0
JM		 1533}
1534
1535
a11241fa
JB		 1536static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
1537 struct nlattr *cookie, const u8 *frame,
1538 size_t len, struct nlattr *ack)
58f6fbe0
JM		 1539{
1540 union wpa_event_data event;
1541 const struct ieee80211_hdr *hdr;
1542 u16 fc;
58f6fbe0 1543
7d81932d 1544 wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
a11241fa
JB		 1545 if (!is_ap_interface(drv->nlmode)) {
1546 u64 cookie_val;
58f6fbe0 1547
a11241fa
JB		 1548 if (!cookie)
1549 return;
1550
1551 cookie_val = nla_get_u64(cookie);
1552 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
1553 " cookie=0%llx%s (ack=%d)",
1554 (long long unsigned int) cookie_val,
1555 cookie_val == drv->send_action_cookie ?
1556 " (match)" : " (unknown)", ack != NULL);
1557 if (cookie_val != drv->send_action_cookie)
1558 return;
1559 }
58f6fbe0
JM		 1560
1561 hdr = (const struct ieee80211_hdr *) frame;
1562 fc = le_to_host16(hdr->frame_control);
1563
1564 os_memset(&event, 0, sizeof(event));
1565 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1566 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1567 event.tx_status.dst = hdr->addr1;
1568 event.tx_status.data = frame;
1569 event.tx_status.data_len = len;
1570 event.tx_status.ack = ack != NULL;
1571 wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
1572}
1573
1574
0544b242
JM		 1575static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
1576 enum wpa_event_type type,
1577 const u8 *frame, size_t len)
1578{
1579 const struct ieee80211_mgmt *mgmt;
1580 union wpa_event_data event;
1581 const u8 *bssid = NULL;
1582 u16 reason_code = 0;
1583
7d81932d
JM		 1584 if (type == EVENT_DEAUTH)
1585 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
1586 else
1587 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
1588
cb30b297
PS		 1589 mgmt = (const struct ieee80211_mgmt *) frame;
1590 if (len >= 24) {
1591 bssid = mgmt->bssid;
1592
add9b7a4
JM		 1593 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
1594 !drv->associated &&
1595 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
1596 os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
1597 os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
1598 /*
1599 * Avoid issues with some roaming cases where
1600 * disconnection event for the old AP may show up after
1601 * we have started connection with the new AP.
1602 */
1603 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
1604 MAC2STR(bssid),
1605 MAC2STR(drv->auth_attempt_bssid));
1606 return;
1607 }
1608
cb30b297
PS		 1609 if (drv->associated != 0 &&
1610 os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
1611 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
1612 /*
1613 * We have presumably received this deauth as a
1614 * response to a clear_state_mismatch() outgoing
1615 * deauth. Don't let it take us offline!
1616 */
1617 wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
1618 "from Unknown BSSID " MACSTR " -- ignoring",
1619 MAC2STR(bssid));
1620 return;
1621 }
1622 }
1623
add9b7a4 1624 nl80211_mark_disconnected(drv);
0544b242
JM		 1625 os_memset(&event, 0, sizeof(event));
1626
0544b242
JM		 1627 /* Note: Same offset for Reason Code in both frame subtypes */
1628 if (len >= 24 + sizeof(mgmt->u.deauth))
1629 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1630
1631 if (type == EVENT_DISASSOC) {
3d9975d5
JM		 1632 event.disassoc_info.locally_generated =
1633 !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN);
0544b242
JM		 1634 event.disassoc_info.addr = bssid;
1635 event.disassoc_info.reason_code = reason_code;
046b26a2
JM		 1636 if (frame + len > mgmt->u.disassoc.variable) {
1637 event.disassoc_info.ie = mgmt->u.disassoc.variable;
1638 event.disassoc_info.ie_len = frame + len -
1639 mgmt->u.disassoc.variable;
1640 }
0544b242 1641 } else {
3d9975d5
JM		 1642 event.deauth_info.locally_generated =
1643 !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN);
0544b242
JM		 1644 event.deauth_info.addr = bssid;
1645 event.deauth_info.reason_code = reason_code;
046b26a2
JM		 1646 if (frame + len > mgmt->u.deauth.variable) {
1647 event.deauth_info.ie = mgmt->u.deauth.variable;
1648 event.deauth_info.ie_len = frame + len -
1649 mgmt->u.deauth.variable;
1650 }
0544b242
JM		 1651 }
1652
1653 wpa_supplicant_event(drv->ctx, type, &event);
1654}
1655
1656
7d878ca7
JM		 1657static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
1658 enum wpa_event_type type,
1659 const u8 *frame, size_t len)
1660{
1661 const struct ieee80211_mgmt *mgmt;
1662 union wpa_event_data event;
1663 u16 reason_code = 0;
1664
7d81932d
JM		 1665 if (type == EVENT_UNPROT_DEAUTH)
1666 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
1667 else
1668 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
1669
7d878ca7
JM		 1670 if (len < 24)
1671 return;
1672
1673 mgmt = (const struct ieee80211_mgmt *) frame;
1674
1675 os_memset(&event, 0, sizeof(event));
1676 /* Note: Same offset for Reason Code in both frame subtypes */
1677 if (len >= 24 + sizeof(mgmt->u.deauth))
1678 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1679
1680 if (type == EVENT_UNPROT_DISASSOC) {
1681 event.unprot_disassoc.sa = mgmt->sa;
1682 event.unprot_disassoc.da = mgmt->da;
1683 event.unprot_disassoc.reason_code = reason_code;
1684 } else {
1685 event.unprot_deauth.sa = mgmt->sa;
1686 event.unprot_deauth.da = mgmt->da;
1687 event.unprot_deauth.reason_code = reason_code;
1688 }
1689
1690 wpa_supplicant_event(drv->ctx, type, &event);
1691}
1692
1693
97279d8d 1694static void mlme_event(struct i802_bss *bss,
da1fb17c 1695 enum nl80211_commands cmd, struct nlattr *frame,
58f6fbe0
JM		 1696 struct nlattr *addr, struct nlattr *timed_out,
1697 struct nlattr *freq, struct nlattr *ack,
da873dbb 1698 struct nlattr *cookie, struct nlattr *sig)
c2a04078 1699{
97279d8d
JM		 1700 struct wpa_driver_nl80211_data *drv = bss->drv;
1701 const u8 *data;
1702 size_t len;
1703
da1fb17c
JM		 1704 if (timed_out && addr) {
1705 mlme_timeout_event(drv, cmd, addr);
1706 return;
1707 }
1708
c2a04078 1709 if (frame == NULL) {
2090a0b4
DS		 1710 wpa_printf(MSG_DEBUG,
1711 "nl80211: MLME event %d (%s) without frame data",
1712 cmd, nl80211_command_to_string(cmd));
c2a04078
JM		 1713 return;
1714 }
1715
97279d8d
JM		 1716 data = nla_data(frame);
1717 len = nla_len(frame);
455299fb 1718 if (len < 4 + 2 * ETH_ALEN) {
2090a0b4
DS		 1719 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
1720 MACSTR ") - too short",
1721 cmd, nl80211_command_to_string(cmd), bss->ifname,
1722 MAC2STR(bss->addr));
97279d8d
JM		 1723 return;
1724 }
2090a0b4
DS		 1725 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
1726 ") A1=" MACSTR " A2=" MACSTR, cmd,
1727 nl80211_command_to_string(cmd), bss->ifname,
1728 MAC2STR(bss->addr), MAC2STR(data + 4),
1729 MAC2STR(data + 4 + ETH_ALEN));
97279d8d 1730 if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
455299fb
JM		 1731 os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
1732 os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
97279d8d
JM		 1733 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
1734 "for foreign address", bss->ifname);
1735 return;
1736 }
c2a04078
JM		 1737 wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
1738 nla_data(frame), nla_len(frame));
1739
1740 switch (cmd) {
1741 case NL80211_CMD_AUTHENTICATE:
1742 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
1743 break;
1744 case NL80211_CMD_ASSOCIATE:
1745 mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
1746 break;
1747 case NL80211_CMD_DEAUTHENTICATE:
0544b242
JM		 1748 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
1749 nla_data(frame), nla_len(frame));
c2a04078
JM		 1750 break;
1751 case NL80211_CMD_DISASSOCIATE:
0544b242
JM		 1752 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
1753 nla_data(frame), nla_len(frame));
c2a04078 1754 break;
bd94971e 1755 case NL80211_CMD_FRAME:
da873dbb
JB		 1756 mlme_event_mgmt(drv, freq, sig, nla_data(frame),
1757 nla_len(frame));
58f6fbe0 1758 break;
bd94971e 1759 case NL80211_CMD_FRAME_TX_STATUS:
a11241fa
JB		 1760 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
1761 nla_len(frame), ack);
58f6fbe0 1762 break;
7d878ca7
JM		 1763 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
1764 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
1765 nla_data(frame), nla_len(frame));
1766 break;
1767 case NL80211_CMD_UNPROT_DISASSOCIATE:
1768 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
1769 nla_data(frame), nla_len(frame));
1770 break;
c2a04078
JM		 1771 default:
1772 break;
1773 }
1774}
1775
1776
a5e1eb20 1777static void mlme_event_michael_mic_failure(struct i802_bss *bss,
35583f3f
JM		 1778 struct nlattr *tb[])
1779{
1780 union wpa_event_data data;
1781
1782 wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
1783 os_memset(&data, 0, sizeof(data));
1784 if (tb[NL80211_ATTR_MAC]) {
1785 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
1786 nla_data(tb[NL80211_ATTR_MAC]),
1787 nla_len(tb[NL80211_ATTR_MAC]));
ad1e68e6 1788 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
35583f3f
JM		 1789 }
1790 if (tb[NL80211_ATTR_KEY_SEQ]) {
1791 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
1792 nla_data(tb[NL80211_ATTR_KEY_SEQ]),
1793 nla_len(tb[NL80211_ATTR_KEY_SEQ]));
1794 }
1795 if (tb[NL80211_ATTR_KEY_TYPE]) {
1796 enum nl80211_key_type key_type =
1797 nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
1798 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
1799 if (key_type == NL80211_KEYTYPE_PAIRWISE)
1800 data.michael_mic_failure.unicast = 1;
1801 } else
1802 data.michael_mic_failure.unicast = 1;
1803
1804 if (tb[NL80211_ATTR_KEY_IDX]) {
1805 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
1806 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
1807 }
1808
a5e1eb20 1809 wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
35583f3f
JM		 1810}
1811
1812
5cc4d64b
JM		 1813static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
1814 struct nlattr *tb[])
1815{
1816 if (tb[NL80211_ATTR_MAC] == NULL) {
1817 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
1818 "event");
1819 return;
1820 }
1821 os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1822 drv->associated = 1;
1823 wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
1824 MAC2STR(drv->bssid));
1825
1826 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1827}
1828
1829
55777702
JM		 1830static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
1831 int cancel_event, struct nlattr *tb[])
1832{
1833 unsigned int freq, chan_type, duration;
1834 union wpa_event_data data;
1835 u64 cookie;
1836
1837 if (tb[NL80211_ATTR_WIPHY_FREQ])
1838 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1839 else
1840 freq = 0;
1841
1842 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
1843 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1844 else
1845 chan_type = 0;
1846
1847 if (tb[NL80211_ATTR_DURATION])
1848 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
1849 else
1850 duration = 0;
1851
1852 if (tb[NL80211_ATTR_COOKIE])
1853 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1854 else
1855 cookie = 0;
1856
1857 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
1858 "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
1859 cancel_event, freq, chan_type, duration,
1860 (long long unsigned int) cookie,
1861 cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
1862
1863 if (cookie != drv->remain_on_chan_cookie)
1864 return; /* not for us */
1865
531f0331
JB		 1866 if (cancel_event)
1867 drv->pending_remain_on_chan = 0;
55777702
JM		 1868
1869 os_memset(&data, 0, sizeof(data));
1870 data.remain_on_channel.freq = freq;
1871 data.remain_on_channel.duration = duration;
1872 wpa_supplicant_event(drv->ctx, cancel_event ?
1873 EVENT_CANCEL_REMAIN_ON_CHANNEL :
1874 EVENT_REMAIN_ON_CHANNEL, &data);
1875}
1876
1877
6a1ce395
DG		 1878static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
1879 struct nlattr *tb[])
1880{
1881 union wpa_event_data data;
1882
1883 os_memset(&data, 0, sizeof(data));
1884
1885 if (tb[NL80211_ATTR_IE]) {
1886 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
1887 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
1888 }
1889
1890 if (tb[NL80211_ATTR_IE_RIC]) {
1891 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
1892 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
1893 }
1894
1895 if (tb[NL80211_ATTR_MAC])
1896 os_memcpy(data.ft_ies.target_ap,
1897 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1898
1899 wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
1900 MAC2STR(data.ft_ies.target_ap));
1901
1902 wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
1903}
1904
1905
8d923a4a
JM		 1906static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
1907 struct nlattr *tb[])
1908{
1909 union wpa_event_data event;
1910 struct nlattr *nl;
1911 int rem;
1912 struct scan_info *info;
1913#define MAX_REPORT_FREQS 50
1914 int freqs[MAX_REPORT_FREQS];
1915 int num_freqs = 0;
1916
536fd62d
JM		 1917 if (drv->scan_for_auth) {
1918 drv->scan_for_auth = 0;
1919 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
1920 "cfg80211 BSS entry");
1921 wpa_driver_nl80211_authenticate_retry(drv);
1922 return;
1923 }
1924
8d923a4a
JM		 1925 os_memset(&event, 0, sizeof(event));
1926 info = &event.scan_info;
1927 info->aborted = aborted;
1928
1929 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
1930 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
1931 struct wpa_driver_scan_ssid *s =
1932 &info->ssids[info->num_ssids];
1933 s->ssid = nla_data(nl);
1934 s->ssid_len = nla_len(nl);
1935 info->num_ssids++;
1936 if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1937 break;
1938 }
1939 }
1940 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1941 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1942 {
1943 freqs[num_freqs] = nla_get_u32(nl);
1944 num_freqs++;
1945 if (num_freqs == MAX_REPORT_FREQS - 1)
1946 break;
1947 }
1948 info->freqs = freqs;
1949 info->num_freqs = num_freqs;
1950 }
1951 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1952}
1953
1954
60a972a6
JM		 1955static int get_link_signal(struct nl_msg *msg, void *arg)
1956{
1957 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1958 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1959 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1960 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1961 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1962 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1963 };
7ee35bf3
PS		 1964 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1965 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1966 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1967 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1968 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1969 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1970 };
1c5c7273 1971 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1972
1973 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1974 genlmsg_attrlen(gnlh, 0), NULL);
1975 if (!tb[NL80211_ATTR_STA_INFO] ||
1976 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1977 tb[NL80211_ATTR_STA_INFO], policy))
1978 return NL_SKIP;
1979 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1980 return NL_SKIP;
1981
7ee35bf3
PS		 1982 sig_change->current_signal =
1983 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1984
95783298
AO		 1985 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1986 sig_change->avg_signal =
1987 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1988 else
1989 sig_change->avg_signal = 0;
1990
7ee35bf3
PS		 1991 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1992 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1993 sinfo[NL80211_STA_INFO_TX_BITRATE],
1994 rate_policy)) {
1995 sig_change->current_txrate = 0;
1996 } else {
1997 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1998 sig_change->current_txrate =
1999 nla_get_u16(rinfo[
2000 NL80211_RATE_INFO_BITRATE]) * 100;
2001 }
2002 }
2003 }
2004
60a972a6
JM		 2005 return NL_SKIP;
2006}
2007
2008
2009static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1c5c7273 2010 struct wpa_signal_info *sig)
60a972a6
JM		 2011{
2012 struct nl_msg *msg;
2013
7ee35bf3
PS		 2014 sig->current_signal = -9999;
2015 sig->current_txrate = 0;
60a972a6
JM		 2016
2017 msg = nlmsg_alloc();
2018 if (!msg)
2019 return -ENOMEM;
2020
9fb04070 2021 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
60a972a6
JM		 2022
2023 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2024 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
2025
2026 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
2027 nla_put_failure:
5883168a 2028 nlmsg_free(msg);
60a972a6
JM		 2029 return -ENOBUFS;
2030}
2031
2032
7ee35bf3
PS		 2033static int get_link_noise(struct nl_msg *msg, void *arg)
2034{
2035 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2036 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2037 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2038 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2039 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2040 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2041 };
1c5c7273 2042 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 2043
2044 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2045 genlmsg_attrlen(gnlh, 0), NULL);
2046
2047 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2048 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
2049 return NL_SKIP;
2050 }
2051
2052 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2053 tb[NL80211_ATTR_SURVEY_INFO],
2054 survey_policy)) {
2055 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
2056 "attributes!");
2057 return NL_SKIP;
2058 }
2059
2060 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2061 return NL_SKIP;
2062
2063 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2064 sig_change->frequency)
2065 return NL_SKIP;
2066
2067 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2068 return NL_SKIP;
2069
2070 sig_change->current_noise =
2071 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2072
2073 return NL_SKIP;
2074}
2075
2076
2077static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1c5c7273 2078 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 2079{
2080 struct nl_msg *msg;
2081
2082 sig_change->current_noise = 9999;
2083 sig_change->frequency = drv->assoc_freq;
2084
2085 msg = nlmsg_alloc();
2086 if (!msg)
2087 return -ENOMEM;
2088
9fb04070 2089 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3
PS		 2090
2091 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2092
2093 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
2094 nla_put_failure:
5883168a 2095 nlmsg_free(msg);
7ee35bf3
PS		 2096 return -ENOBUFS;
2097}
2098
2099
577db0ae
GM		 2100static int get_noise_for_scan_results(struct nl_msg *msg, void *arg)
2101{
2102 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2103 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2104 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2105 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2106 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2107 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2108 };
2109 struct wpa_scan_results *scan_results = arg;
2110 struct wpa_scan_res *scan_res;
2111 size_t i;
2112
2113 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2114 genlmsg_attrlen(gnlh, 0), NULL);
2115
2116 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2117 wpa_printf(MSG_DEBUG, "nl80211: Survey data missing");
2118 return NL_SKIP;
2119 }
2120
2121 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2122 tb[NL80211_ATTR_SURVEY_INFO],
2123 survey_policy)) {
2124 wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested "
2125 "attributes");
2126 return NL_SKIP;
2127 }
2128
2129 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2130 return NL_SKIP;
2131
2132 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2133 return NL_SKIP;
2134
2135 for (i = 0; i < scan_results->num; ++i) {
2136 scan_res = scan_results->res[i];
2137 if (!scan_res)
2138 continue;
2139 if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2140 scan_res->freq)
2141 continue;
2142 if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID))
2143 continue;
2144 scan_res->noise = (s8)
2145 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2146 scan_res->flags &= ~WPA_SCAN_NOISE_INVALID;
2147 }
2148
2149 return NL_SKIP;
2150}
2151
2152
2153static int nl80211_get_noise_for_scan_results(
2154 struct wpa_driver_nl80211_data *drv,
2155 struct wpa_scan_results *scan_res)
2156{
2157 struct nl_msg *msg;
2158
2159 msg = nlmsg_alloc();
2160 if (!msg)
2161 return -ENOMEM;
2162
2163 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
2164
2165 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2166
2167 return send_and_recv_msgs(drv, msg, get_noise_for_scan_results,
2168 scan_res);
2169 nla_put_failure:
9e088e74 2170 nlmsg_free(msg);
577db0ae
GM		 2171 return -ENOBUFS;
2172}
2173
2174
93910401
JM		 2175static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
2176 struct nlattr *tb[])
2177{
2178 static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
2179 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
2180 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
2181 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
0d7e5a3a 2182 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
93910401
JM		 2183 };
2184 struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
2185 enum nl80211_cqm_rssi_threshold_event event;
b625473c 2186 union wpa_event_data ed;
1c5c7273 2187 struct wpa_signal_info sig;
7ee35bf3 2188 int res;
93910401
JM		 2189
2190 if (tb[NL80211_ATTR_CQM] == NULL ||
2191 nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
2192 cqm_policy)) {
2193 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
2194 return;
2195 }
2196
0d7e5a3a
JB		 2197 os_memset(&ed, 0, sizeof(ed));
2198
2199 if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
2200 if (!tb[NL80211_ATTR_MAC])
2201 return;
2202 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
2203 ETH_ALEN);
2204 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
2205 return;
2206 }
2207
93910401
JM		 2208 if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
2209 return;
2210 event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
b625473c 2211
93910401
JM		 2212 if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
2213 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2214 "event: RSSI high");
b625473c 2215 ed.signal_change.above_threshold = 1;
93910401
JM		 2216 } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
2217 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2218 "event: RSSI low");
b625473c
JM		 2219 ed.signal_change.above_threshold = 0;
2220 } else
2221 return;
2222
60a972a6
JM		 2223 res = nl80211_get_link_signal(drv, &sig);
2224 if (res == 0) {
7ee35bf3
PS		 2225 ed.signal_change.current_signal = sig.current_signal;
2226 ed.signal_change.current_txrate = sig.current_txrate;
2227 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
2228 sig.current_signal, sig.current_txrate);
2229 }
2230
2231 res = nl80211_get_link_noise(drv, &sig);
2232 if (res == 0) {
2233 ed.signal_change.current_noise = sig.current_noise;
2234 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
2235 sig.current_noise);
60a972a6
JM		 2236 }
2237
b625473c 2238 wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
93910401
JM		 2239}
2240
2241
18d2ba08
JM		 2242static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
2243 struct nlattr **tb)
2244{
2245 u8 *addr;
2246 union wpa_event_data data;
2247
2248 if (tb[NL80211_ATTR_MAC] == NULL)
2249 return;
2250 addr = nla_data(tb[NL80211_ATTR_MAC]);
2251 wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
5f310a9e 2252
61cbe2ff 2253 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2254 u8 *ies = NULL;
2255 size_t ies_len = 0;
2256 if (tb[NL80211_ATTR_IE]) {
2257 ies = nla_data(tb[NL80211_ATTR_IE]);
2258 ies_len = nla_len(tb[NL80211_ATTR_IE]);
2259 }
2260 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
2261 drv_event_assoc(drv->ctx, addr, ies, ies_len, 0);
2262 return;
2263 }
2264
18d2ba08
JM		 2265 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2266 return;
2267
2268 os_memset(&data, 0, sizeof(data));
2269 os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
2270 wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data);
2271}
2272
2273
ef985058
JM		 2274static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
2275 struct nlattr **tb)
2276{
2277 u8 *addr;
2278 union wpa_event_data data;
2279
2280 if (tb[NL80211_ATTR_MAC] == NULL)
2281 return;
2282 addr = nla_data(tb[NL80211_ATTR_MAC]);
2283 wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
2284 MAC2STR(addr));
5f310a9e 2285
61cbe2ff 2286 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2287 drv_event_disassoc(drv->ctx, addr);
2288 return;
2289 }
2290
ef985058
JM		 2291 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2292 return;
2293
2294 os_memset(&data, 0, sizeof(data));
2295 os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
2296 wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
2297}
2298
2299
b14a210c
JB		 2300static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
2301 struct nlattr **tb)
2302{
2303 struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
2304 static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
2305 [NL80211_REKEY_DATA_KEK] = {
2306 .minlen = NL80211_KEK_LEN,
2307 .maxlen = NL80211_KEK_LEN,
2308 },
2309 [NL80211_REKEY_DATA_KCK] = {
2310 .minlen = NL80211_KCK_LEN,
2311 .maxlen = NL80211_KCK_LEN,
2312 },
2313 [NL80211_REKEY_DATA_REPLAY_CTR] = {
2314 .minlen = NL80211_REPLAY_CTR_LEN,
2315 .maxlen = NL80211_REPLAY_CTR_LEN,
2316 },
2317 };
2318 union wpa_event_data data;
2319
2320 if (!tb[NL80211_ATTR_MAC])
2321 return;
2322 if (!tb[NL80211_ATTR_REKEY_DATA])
2323 return;
2324 if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
2325 tb[NL80211_ATTR_REKEY_DATA], rekey_policy))
2326 return;
2327 if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
2328 return;
2329
2330 os_memset(&data, 0, sizeof(data));
2331 data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
2332 wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
2333 MAC2STR(data.driver_gtk_rekey.bssid));
2334 data.driver_gtk_rekey.replay_ctr =
2335 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
2336 wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
2337 data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
2338 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
2339}
2340
2341
c36d5242
JM		 2342static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
2343 struct nlattr **tb)
2344{
2345 struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
2346 static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
2347 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
2348 [NL80211_PMKSA_CANDIDATE_BSSID] = {
2349 .minlen = ETH_ALEN,
2350 .maxlen = ETH_ALEN,
2351 },
2352 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
2353 };
2354 union wpa_event_data data;
2355
7d81932d
JM		 2356 wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
2357
c36d5242
JM		 2358 if (!tb[NL80211_ATTR_PMKSA_CANDIDATE])
2359 return;
2360 if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
2361 tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy))
2362 return;
2363 if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
2364 !cand[NL80211_PMKSA_CANDIDATE_BSSID])
2365 return;
2366
2367 os_memset(&data, 0, sizeof(data));
2368 os_memcpy(data.pmkid_candidate.bssid,
2369 nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
2370 data.pmkid_candidate.index =
2371 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
2372 data.pmkid_candidate.preauth =
2373 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
2374 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
2375}
2376
2377
39718852
JB		 2378static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
2379 struct nlattr **tb)
2380{
2381 union wpa_event_data data;
2382
7d81932d
JM		 2383 wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
2384
39718852
JB		 2385 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
2386 return;
2387
2388 os_memset(&data, 0, sizeof(data));
2389 os_memcpy(data.client_poll.addr,
2390 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2391
2392 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
2393}
2394
2395
6201b052
JM		 2396static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
2397 struct nlattr **tb)
2398{
2399 union wpa_event_data data;
2400
2401 wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
2402
2403 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
2404 return;
2405
2406 os_memset(&data, 0, sizeof(data));
2407 os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2408 switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
2409 case NL80211_TDLS_SETUP:
2410 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
2411 MACSTR, MAC2STR(data.tdls.peer));
2412 data.tdls.oper = TDLS_REQUEST_SETUP;
2413 break;
2414 case NL80211_TDLS_TEARDOWN:
2415 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
2416 MACSTR, MAC2STR(data.tdls.peer));
2417 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
2418 break;
2419 default:
2420 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
2421 "event");
2422 return;
2423 }
2424 if (tb[NL80211_ATTR_REASON_CODE]) {
2425 data.tdls.reason_code =
2426 nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
2427 }
2428
2429 wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
2430}
2431
2432
3140803b
RM		 2433static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
2434 struct nlattr **tb)
2435{
2436 union wpa_event_data data;
2437 u32 reason;
2438
2439 wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
2440
2441 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
2442 return;
2443
2444 os_memset(&data, 0, sizeof(data));
2445 os_memcpy(data.connect_failed_reason.addr,
2446 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2447
2448 reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
2449 switch (reason) {
2450 case NL80211_CONN_FAIL_MAX_CLIENTS:
2451 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
2452 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
2453 break;
2454 case NL80211_CONN_FAIL_BLOCKED_CLIENT:
2455 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
2456 " tried to connect",
2457 MAC2STR(data.connect_failed_reason.addr));
2458 data.connect_failed_reason.code = BLOCKED_CLIENT;
2459 break;
2460 default:
2461 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
2462 "%u", reason);
2463 return;
2464 }
2465
2466 wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
2467}
2468
2469
04be54fa
SW		 2470static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
2471 struct nlattr **tb)
2472{
2473 union wpa_event_data data;
2474 enum nl80211_radar_event event_type;
2475
2476 if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
2477 return;
2478
2479 os_memset(&data, 0, sizeof(data));
2480 data.dfs_event.freq = nla_get_u16(tb[NL80211_ATTR_WIPHY_FREQ]);
2481 event_type = nla_get_u8(tb[NL80211_ATTR_RADAR_EVENT]);
2482
2483 wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz",
2484 data.dfs_event.freq);
2485
2486 switch (event_type) {
2487 case NL80211_RADAR_DETECTED:
2488 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
2489 break;
2490 case NL80211_RADAR_CAC_FINISHED:
2491 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
2492 break;
2493 case NL80211_RADAR_CAC_ABORTED:
2494 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
2495 break;
2496 case NL80211_RADAR_NOP_FINISHED:
2497 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
2498 break;
2499 default:
2500 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
2501 "received", event_type);
2502 break;
2503 }
2504}
2505
2506
3088e4e5
JB		 2507static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
2508 int wds)
02bb32c3
JB		 2509{
2510 struct wpa_driver_nl80211_data *drv = bss->drv;
2511 union wpa_event_data event;
02bb32c3
JB		 2512
2513 if (!tb[NL80211_ATTR_MAC])
2514 return;
2515
02bb32c3 2516 os_memset(&event, 0, sizeof(event));
341eebee 2517 event.rx_from_unknown.bssid = bss->addr;
02bb32c3 2518 event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
3088e4e5 2519 event.rx_from_unknown.wds = wds;
02bb32c3
JB		 2520
2521 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
2522}
2523
2524
a5e1eb20
SE		 2525static void do_process_drv_event(struct i802_bss *bss, int cmd,
2526 struct nlattr **tb)
97865538 2527{
a5e1eb20
SE		 2528 struct wpa_driver_nl80211_data *drv = bss->drv;
2529
2090a0b4
DS		 2530 wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
2531 cmd, nl80211_command_to_string(cmd), bss->ifname);
2532
b1f625e0 2533 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
d6c9aab8
JB		 2534 (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2535 cmd == NL80211_CMD_SCAN_ABORTED)) {
a2e40bb6 2536 wpa_driver_nl80211_set_mode(&drv->first_bss,
b1f625e0
EP		 2537 drv->ap_scan_as_station);
2538 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6
JM		 2539 }
2540
d6c9aab8 2541 switch (cmd) {
d942a79e 2542 case NL80211_CMD_TRIGGER_SCAN:
565110cd 2543 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
d942a79e 2544 break;
d21c63b9 2545 case NL80211_CMD_START_SCHED_SCAN:
565110cd 2546 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
d21c63b9
LC		 2547 break;
2548 case NL80211_CMD_SCHED_SCAN_STOPPED:
565110cd 2549 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
d21c63b9
LC		 2550 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2551 break;
97865538 2552 case NL80211_CMD_NEW_SCAN_RESULTS:
565110cd
JM		 2553 wpa_dbg(drv->ctx, MSG_DEBUG,
2554 "nl80211: New scan results available");
97865538
JM		 2555 drv->scan_complete_events = 1;
2556 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2557 drv->ctx);
8d923a4a 2558 send_scan_event(drv, 0, tb);
97865538 2559 break;
d21c63b9 2560 case NL80211_CMD_SCHED_SCAN_RESULTS:
565110cd
JM		 2561 wpa_dbg(drv->ctx, MSG_DEBUG,
2562 "nl80211: New sched scan results available");
d21c63b9
LC		 2563 send_scan_event(drv, 0, tb);
2564 break;
97865538 2565 case NL80211_CMD_SCAN_ABORTED:
565110cd 2566 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
97865538
JM		 2567 /*
2568 * Need to indicate that scan results are available in order
2569 * not to make wpa_supplicant stop its scanning.
2570 */
2571 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2572 drv->ctx);
8d923a4a 2573 send_scan_event(drv, 1, tb);
97865538 2574 break;
c2a04078
JM		 2575 case NL80211_CMD_AUTHENTICATE:
2576 case NL80211_CMD_ASSOCIATE:
2577 case NL80211_CMD_DEAUTHENTICATE:
2578 case NL80211_CMD_DISASSOCIATE:
bd94971e 2579 case NL80211_CMD_FRAME_TX_STATUS:
7d878ca7
JM		 2580 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2581 case NL80211_CMD_UNPROT_DISASSOCIATE:
97279d8d 2582 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
58f6fbe0
JM		 2583 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2584 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2585 tb[NL80211_ATTR_COOKIE],
2586 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
c2a04078 2587 break;
da72a1c1
ZY		 2588 case NL80211_CMD_CONNECT:
2589 case NL80211_CMD_ROAM:
d6c9aab8 2590 mlme_event_connect(drv, cmd,
da72a1c1
ZY		 2591 tb[NL80211_ATTR_STATUS_CODE],
2592 tb[NL80211_ATTR_MAC],
2593 tb[NL80211_ATTR_REQ_IE],
2594 tb[NL80211_ATTR_RESP_IE]);
2595 break;
1b487b8b
TP		 2596 case NL80211_CMD_CH_SWITCH_NOTIFY:
2597 mlme_event_ch_switch(drv, tb[NL80211_ATTR_WIPHY_FREQ],
2598 tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2599 break;
da72a1c1 2600 case NL80211_CMD_DISCONNECT:
20f5a4c2 2601 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
3d9975d5
JM		 2602 tb[NL80211_ATTR_MAC],
2603 tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
da72a1c1 2604 break;
35583f3f 2605 case NL80211_CMD_MICHAEL_MIC_FAILURE:
a5e1eb20 2606 mlme_event_michael_mic_failure(bss, tb);
35583f3f 2607 break;
5cc4d64b
JM		 2608 case NL80211_CMD_JOIN_IBSS:
2609 mlme_event_join_ibss(drv, tb);
2610 break;
55777702
JM		 2611 case NL80211_CMD_REMAIN_ON_CHANNEL:
2612 mlme_event_remain_on_channel(drv, 0, tb);
2613 break;
2614 case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2615 mlme_event_remain_on_channel(drv, 1, tb);
2616 break;
93910401
JM		 2617 case NL80211_CMD_NOTIFY_CQM:
2618 nl80211_cqm_event(drv, tb);
2619 break;
33c5deb8
JM		 2620 case NL80211_CMD_REG_CHANGE:
2621 wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
2622 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2623 NULL);
2624 break;
2625 case NL80211_CMD_REG_BEACON_HINT:
2626 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2627 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2628 NULL);
2629 break;
18d2ba08
JM		 2630 case NL80211_CMD_NEW_STATION:
2631 nl80211_new_station_event(drv, tb);
2632 break;
ef985058
JM		 2633 case NL80211_CMD_DEL_STATION:
2634 nl80211_del_station_event(drv, tb);
2635 break;
b14a210c
JB		 2636 case NL80211_CMD_SET_REKEY_OFFLOAD:
2637 nl80211_rekey_offload_event(drv, tb);
2638 break;
c36d5242
JM		 2639 case NL80211_CMD_PMKSA_CANDIDATE:
2640 nl80211_pmksa_candidate_event(drv, tb);
2641 break;
39718852
JB		 2642 case NL80211_CMD_PROBE_CLIENT:
2643 nl80211_client_probe_event(drv, tb);
2644 break;
6201b052
JM		 2645 case NL80211_CMD_TDLS_OPER:
2646 nl80211_tdls_oper_event(drv, tb);
2647 break;
3140803b
RM		 2648 case NL80211_CMD_CONN_FAILED:
2649 nl80211_connect_failed_event(drv, tb);
2650 break;
6a1ce395
DG		 2651 case NL80211_CMD_FT_EVENT:
2652 mlme_event_ft_event(drv, tb);
2653 break;
04be54fa
SW		 2654 case NL80211_CMD_RADAR_DETECT:
2655 nl80211_radar_event(drv, tb);
2656 break;
97865538 2657 default:
565110cd
JM		 2658 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
2659 "(cmd=%d)", cmd);
97865538
JM		 2660 break;
2661 }
d6c9aab8
JB		 2662}
2663
2664
2665static int process_drv_event(struct nl_msg *msg, void *arg)
2666{
2667 struct wpa_driver_nl80211_data *drv = arg;
2668 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2669 struct nlattr *tb[NL80211_ATTR_MAX + 1];
a5e1eb20
SE		 2670 struct i802_bss *bss;
2671 int ifidx = -1;
d6c9aab8
JB		 2672
2673 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2674 genlmsg_attrlen(gnlh, 0), NULL);
2675
d3aaef80 2676 if (tb[NL80211_ATTR_IFINDEX]) {
a5e1eb20
SE		 2677 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2678
d3aaef80
DS		 2679 for (bss = &drv->first_bss; bss; bss = bss->next)
2680 if (ifidx == -1 || ifidx == bss->ifindex) {
2681 do_process_drv_event(bss, gnlh->cmd, tb);
2682 return NL_SKIP;
2683 }
2684 wpa_printf(MSG_DEBUG,
2685 "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d)",
2686 gnlh->cmd, ifidx);
2687 } else if (tb[NL80211_ATTR_WDEV]) {
2688 u64 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2689 wpa_printf(MSG_DEBUG, "nl80211: Process event on P2P device");
2690 for (bss = &drv->first_bss; bss; bss = bss->next) {
2691 if (bss->wdev_id_set && wdev_id == bss->wdev_id) {
2692 do_process_drv_event(bss, gnlh->cmd, tb);
2693 return NL_SKIP;
2694 }
d6c9aab8 2695 }
d3aaef80
DS		 2696 wpa_printf(MSG_DEBUG,
2697 "nl80211: Ignored event (cmd=%d) for foreign interface (wdev 0x%llx)",
2698 gnlh->cmd, (long long unsigned int) wdev_id);
d6c9aab8
JB		 2699 }
2700
d6c9aab8
JB		 2701 return NL_SKIP;
2702}
2703
2704
2705static int process_global_event(struct nl_msg *msg, void *arg)
2706{
2707 struct nl80211_global *global = arg;
2708 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2709 struct nlattr *tb[NL80211_ATTR_MAX + 1];
24b5bd8b 2710 struct wpa_driver_nl80211_data *drv, *tmp;
d6c9aab8 2711 int ifidx = -1;
a5e1eb20 2712 struct i802_bss *bss;
54d4ba42 2713 u64 wdev_id = 0;
d3aaef80 2714 int wdev_id_set = 0;
d6c9aab8
JB		 2715
2716 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2717 genlmsg_attrlen(gnlh, 0), NULL);
2718
2719 if (tb[NL80211_ATTR_IFINDEX])
2720 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
d3aaef80
DS		 2721 else if (tb[NL80211_ATTR_WDEV]) {
2722 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2723 wdev_id_set = 1;
2724 }
d6c9aab8 2725
24b5bd8b
JB		 2726 dl_list_for_each_safe(drv, tmp, &global->interfaces,
2727 struct wpa_driver_nl80211_data, list) {
a5e1eb20 2728 for (bss = &drv->first_bss; bss; bss = bss->next) {
d3aaef80
DS		 2729 if ((ifidx == -1 && !wdev_id_set) ||
2730 ifidx == bss->ifindex ||
2731 (wdev_id_set && bss->wdev_id_set &&
2732 wdev_id == bss->wdev_id)) {
a5e1eb20
SE		 2733 do_process_drv_event(bss, gnlh->cmd, tb);
2734 return NL_SKIP;
2735 }
2736 }
d6c9aab8 2737 }
97865538
JM		 2738
2739 return NL_SKIP;
2740}
2741
2742
cc7a48d1
JB		 2743static int process_bss_event(struct nl_msg *msg, void *arg)
2744{
a11241fa 2745 struct i802_bss *bss = arg;
cc7a48d1
JB		 2746 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2747 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2748
2749 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2750 genlmsg_attrlen(gnlh, 0), NULL);
2751
2090a0b4
DS		 2752 wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
2753 gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
2754 bss->ifname);
2755
cc7a48d1 2756 switch (gnlh->cmd) {
a11241fa
JB		 2757 case NL80211_CMD_FRAME:
2758 case NL80211_CMD_FRAME_TX_STATUS:
97279d8d 2759 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
a11241fa
JB		 2760 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2761 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2762 tb[NL80211_ATTR_COOKIE],
2763 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
a11241fa 2764 break;
02bb32c3 2765 case NL80211_CMD_UNEXPECTED_FRAME:
3088e4e5
JB		 2766 nl80211_spurious_frame(bss, tb, 0);
2767 break;
2768 case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
2769 nl80211_spurious_frame(bss, tb, 1);
02bb32c3 2770 break;
cc7a48d1
JB		 2771 default:
2772 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
2773 "(cmd=%d)", gnlh->cmd);
2774 break;
2775 }
2776
2777 return NL_SKIP;
2778}
2779
2780
97865538 2781static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 2782 void *handle)
97865538 2783{
a4ae123c 2784 struct nl_cb *cb = eloop_ctx;
97865538 2785
cc2ada86 2786 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 2787
a4ae123c 2788 nl_recvmsgs(handle, cb);
97865538
JM		 2789}
2790
2791
6d158490
LR		 2792/**
2793 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
2794 * @priv: driver_nl80211 private data
2795 * @alpha2_arg: country to which to switch to
2796 * Returns: 0 on success, -1 on failure
2797 *
2798 * This asks nl80211 to set the regulatory domain for given
2799 * country ISO / IEC alpha2.
2800 */
2801static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
2802{
a2e40bb6
FF		 2803 struct i802_bss *bss = priv;
2804 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 2805 char alpha2[3];
2806 struct nl_msg *msg;
2807
2808 msg = nlmsg_alloc();
2809 if (!msg)
e785c2ba 2810 return -ENOMEM;
6d158490
LR		 2811
2812 alpha2[0] = alpha2_arg[0];
2813 alpha2[1] = alpha2_arg[1];
2814 alpha2[2] = '\0';
2815
9fb04070 2816 nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG);
6d158490
LR		 2817
2818 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2);
2819 if (send_and_recv_msgs(drv, msg, NULL, NULL))
2820 return -EINVAL;
2821 return 0;
2822nla_put_failure:
5883168a 2823 nlmsg_free(msg);
6d158490
LR		 2824 return -EINVAL;
2825}
2826
2827
43245552
DJ		 2828static int protocol_feature_handler(struct nl_msg *msg, void *arg)
2829{
2830 u32 *feat = arg;
2831 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2832 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2833
2834 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2835 genlmsg_attrlen(gnlh, 0), NULL);
2836
2837 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
2838 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
2839
2840 return NL_SKIP;
2841}
2842
2843
2844static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
2845{
2846 u32 feat = 0;
2847 struct nl_msg *msg;
2848
2849 msg = nlmsg_alloc();
2850 if (!msg)
2851 goto nla_put_failure;
2852
2853 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES);
2854 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
2855 return feat;
2856
2857 msg = NULL;
2858nla_put_failure:
2859 nlmsg_free(msg);
2860 return 0;
2861}
2862
2863
80bc75f1 2864struct wiphy_info_data {
8cd6b7bc 2865 struct wpa_driver_nl80211_data *drv;
e8b5e24e
JB		 2866 struct wpa_driver_capa *capa;
2867
2868 unsigned int error:1;
61cbe2ff 2869 unsigned int device_ap_sme:1;
39718852 2870 unsigned int poll_command_supported:1;
32ab4855 2871 unsigned int data_tx_status:1;
536062f2 2872 unsigned int monitor_supported:1;
43245552
DJ		 2873 unsigned int auth_supported:1;
2874 unsigned int connect_supported:1;
2875 unsigned int p2p_go_supported:1;
2876 unsigned int p2p_client_supported:1;
2877 unsigned int p2p_concurrent:1;
2878 unsigned int p2p_multichan_concurrent:1;
80bc75f1
JM		 2879};
2880
2881
562c9d97
AN		 2882static unsigned int probe_resp_offload_support(int supp_protocols)
2883{
2884 unsigned int prot = 0;
2885
2886 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
2887 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
2888 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
2889 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
2890 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
2891 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
2892 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
2893 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
2894
2895 return prot;
2896}
2897
2898
5f439107
JM		 2899static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
2900 struct nlattr *tb)
80bc75f1 2901{
5f439107
JM		 2902 struct nlattr *nl_mode;
2903 int i;
2904
2905 if (tb == NULL)
2906 return;
2907
2908 nla_for_each_nested(nl_mode, tb, i) {
2909 switch (nla_type(nl_mode)) {
2910 case NL80211_IFTYPE_AP:
2911 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
2912 break;
65d52fc1
BR		 2913 case NL80211_IFTYPE_ADHOC:
2914 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
2915 break;
7aad838c
NS		 2916 case NL80211_IFTYPE_P2P_DEVICE:
2917 info->capa->flags |=
2918 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
2919 break;
5f439107
JM		 2920 case NL80211_IFTYPE_P2P_GO:
2921 info->p2p_go_supported = 1;
2922 break;
2923 case NL80211_IFTYPE_P2P_CLIENT:
2924 info->p2p_client_supported = 1;
2925 break;
2926 case NL80211_IFTYPE_MONITOR:
2927 info->monitor_supported = 1;
2928 break;
2929 }
2930 }
2931}
2932
2933
2934static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
2935 struct nlattr *nl_combi)
2936{
2937 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
2938 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
2939 struct nlattr *nl_limit, *nl_mode;
2940 int err, rem_limit, rem_mode;
2941 int combination_has_p2p = 0, combination_has_mgd = 0;
7626850d
JB		 2942 static struct nla_policy
2943 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
2944 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
2945 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
2946 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
2947 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
f295d0c8 2948 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
7626850d
JB		 2949 },
2950 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
2951 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
2952 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
2953 };
80bc75f1 2954
5f439107
JM		 2955 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
2956 nl_combi, iface_combination_policy);
2957 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
2958 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
2959 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
2960 return 0; /* broken combination */
2961
f295d0c8
SW		 2962 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
2963 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
2964
5f439107
JM		 2965 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
2966 rem_limit) {
2967 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
2968 nl_limit, iface_limit_policy);
2969 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
2970 return 0; /* broken combination */
2971
2972 nla_for_each_nested(nl_mode,
2973 tb_limit[NL80211_IFACE_LIMIT_TYPES],
2974 rem_mode) {
2975 int ift = nla_type(nl_mode);
2976 if (ift == NL80211_IFTYPE_P2P_GO ||
2977 ift == NL80211_IFTYPE_P2P_CLIENT)
2978 combination_has_p2p = 1;
2979 if (ift == NL80211_IFTYPE_STATION)
2980 combination_has_mgd = 1;
2981 }
2982 if (combination_has_p2p && combination_has_mgd)
2983 break;
2984 }
2985
2986 if (combination_has_p2p && combination_has_mgd) {
2987 info->p2p_concurrent = 1;
2988 if (nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) > 1)
2989 info->p2p_multichan_concurrent = 1;
2990 return 1;
2991 }
2992
2993 return 0;
2994}
2995
2996
2997static void wiphy_info_iface_comb(struct wiphy_info_data *info,
2998 struct nlattr *tb)
2999{
3000 struct nlattr *nl_combi;
3001 int rem_combi;
3002
3003 if (tb == NULL)
3004 return;
3005
3006 nla_for_each_nested(nl_combi, tb, rem_combi) {
3007 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
3008 break;
3009 }
3010}
3011
3012
3013static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
3014 struct nlattr *tb)
3015{
3016 struct nlattr *nl_cmd;
3017 int i;
3018
3019 if (tb == NULL)
3020 return;
3021
3022 nla_for_each_nested(nl_cmd, tb, i) {
3023 switch (nla_get_u32(nl_cmd)) {
3024 case NL80211_CMD_AUTHENTICATE:
3025 info->auth_supported = 1;
3026 break;
3027 case NL80211_CMD_CONNECT:
3028 info->connect_supported = 1;
3029 break;
3030 case NL80211_CMD_START_SCHED_SCAN:
3031 info->capa->sched_scan_supported = 1;
3032 break;
3033 case NL80211_CMD_PROBE_CLIENT:
3034 info->poll_command_supported = 1;
3035 break;
3036 }
3037 }
3038}
3039
3040
3041static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
3042 struct nlattr *tb)
3043{
5f439107
JM		 3044 if (tb)
3045 capa->max_remain_on_chan = nla_get_u32(tb);
3046}
3047
3048
3049static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
3050 struct nlattr *ext_setup)
3051{
3052 if (tdls == NULL)
3053 return;
3054
3055 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
3056 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
3057
3058 if (ext_setup) {
3059 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
3060 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
3061 }
3062}
3063
3064
3065static void wiphy_info_feature_flags(struct wiphy_info_data *info,
3066 struct nlattr *tb)
3067{
3068 u32 flags;
3069 struct wpa_driver_capa *capa = info->capa;
3070
3071 if (tb == NULL)
3072 return;
3073
3074 flags = nla_get_u32(tb);
3075
3076 if (flags & NL80211_FEATURE_SK_TX_STATUS)
3077 info->data_tx_status = 1;
3078
3079 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
3080 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
3081
3082 if (flags & NL80211_FEATURE_SAE)
3083 capa->flags |= WPA_DRIVER_FLAGS_SAE;
3084
3085 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
3086 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
3087}
3088
3089
3090static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
3091 struct nlattr *tb)
3092{
3093 u32 protocols;
3094
3095 if (tb == NULL)
3096 return;
3097
3098 protocols = nla_get_u32(tb);
3099 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
3100 "mode");
3101 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
3102 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
3103}
3104
3105
3106static int wiphy_info_handler(struct nl_msg *msg, void *arg)
3107{
3108 struct nlattr *tb[NL80211_ATTR_MAX + 1];
3109 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3110 struct wiphy_info_data *info = arg;
3111 struct wpa_driver_capa *capa = info->capa;
8cd6b7bc 3112 struct wpa_driver_nl80211_data *drv = info->drv;
5f439107 3113
80bc75f1
JM		 3114 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3115 genlmsg_attrlen(gnlh, 0), NULL);
3116
5fbcb45d
AS		 3117 if (tb[NL80211_ATTR_WIPHY_NAME])
3118 os_strncpy(drv->phyname,
3119 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
3120 sizeof(drv->phyname));
80bc75f1 3121 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
e8b5e24e 3122 capa->max_scan_ssids =
80bc75f1
JM		 3123 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
3124
d21c63b9 3125 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
e8b5e24e 3126 capa->max_sched_scan_ssids =
d21c63b9
LC		 3127 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
3128
bd525934 3129 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
e8b5e24e 3130 capa->max_match_sets =
bd525934
LC		 3131 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
3132
3c4ca363
VN		 3133 if (tb[NL80211_ATTR_MAC_ACL_MAX])
3134 capa->max_acl_mac_addrs =
3135 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
3136
5f439107
JM		 3137 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
3138 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
3139 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
93d11400 3140
e8b5e24e
JB		 3141 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
3142 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
3143 "off-channel TX");
3144 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
3145 }
3146
3147 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
3148 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
3149 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
3150 }
5dfca53f 3151
5f439107
JM		 3152 wiphy_info_max_roc(capa,
3153 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
004ba773 3154
70619a5d
EP		 3155 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
3156 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
3157
5f439107
JM		 3158 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
3159 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
03ea1786 3160
61cbe2ff
JB		 3161 if (tb[NL80211_ATTR_DEVICE_AP_SME])
3162 info->device_ap_sme = 1;
3163
5f439107
JM		 3164 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
3165 wiphy_info_probe_resp_offload(capa,
3166 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
562c9d97 3167
8cd6b7bc
JB		 3168 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
3169 drv->extended_capa == NULL) {
3170 drv->extended_capa =
3171 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3172 if (drv->extended_capa) {
3173 os_memcpy(drv->extended_capa,
3174 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3175 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3176 drv->extended_capa_len =
3177 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
3178 }
3179 drv->extended_capa_mask =
3180 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3181 if (drv->extended_capa_mask) {
3182 os_memcpy(drv->extended_capa_mask,
3183 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3184 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3185 } else {
3186 os_free(drv->extended_capa);
3187 drv->extended_capa = NULL;
3188 drv->extended_capa_len = 0;
3189 }
3190 }
3191
80bc75f1
JM		 3192 return NL_SKIP;
3193}
3194
3195
3196static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
3197 struct wiphy_info_data *info)
3198{
43245552 3199 u32 feat;
80bc75f1
JM		 3200 struct nl_msg *msg;
3201
3202 os_memset(info, 0, sizeof(*info));
e8b5e24e 3203 info->capa = &drv->capa;
8cd6b7bc 3204 info->drv = drv;
89e07afb 3205
80bc75f1
JM		 3206 msg = nlmsg_alloc();
3207 if (!msg)
3208 return -1;
3209
43245552
DJ		 3210 feat = get_nl80211_protocol_features(drv);
3211 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
3212 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
3213 else
3214 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
80bc75f1 3215
43245552 3216 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
f632e483
AS		 3217 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
3218 goto nla_put_failure;
80bc75f1 3219
43245552
DJ		 3220 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
3221 return -1;
3222
3223 if (info->auth_supported)
3224 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
3225 else if (!info->connect_supported) {
3226 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
3227 "authentication/association or connect commands");
3228 info->error = 1;
3229 }
3230
3231 if (info->p2p_go_supported && info->p2p_client_supported)
3232 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
3233 if (info->p2p_concurrent) {
3234 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
3235 "interface (driver advertised support)");
3236 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
3237 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
3238 }
3239 if (info->p2p_multichan_concurrent) {
3240 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
3241 "concurrent (driver advertised support)");
3242 drv->capa.flags |= WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT;
3243 }
b691dcb1
IP		 3244
3245 /* default to 5000 since early versions of mac80211 don't set it */
3246 if (!drv->capa.max_remain_on_chan)
3247 drv->capa.max_remain_on_chan = 5000;
3248
43245552 3249 return 0;
80bc75f1
JM		 3250nla_put_failure:
3251 nlmsg_free(msg);
3252 return -1;
3253}
3254
3255
93d11400 3256static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
80bc75f1
JM		 3257{
3258 struct wiphy_info_data info;
3259 if (wpa_driver_nl80211_get_info(drv, &info))
93d11400 3260 return -1;
e8b5e24e
JB		 3261
3262 if (info.error)
3263 return -1;
3264
80bc75f1 3265 drv->has_capability = 1;
1b2a72e8
JM		 3266 /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
3267 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3268 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3269 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3270 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
3271 drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
3272 WPA_DRIVER_CAPA_ENC_WEP104 |
3273 WPA_DRIVER_CAPA_ENC_TKIP |
3274 WPA_DRIVER_CAPA_ENC_CCMP;
291b6068
JM		 3275 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
3276 WPA_DRIVER_AUTH_SHARED |
3277 WPA_DRIVER_AUTH_LEAP;
1b2a72e8 3278
871f4dd0 3279 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
0194fedb 3280 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
2fee890a 3281 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
e1bd4e19 3282
e5091674 3283 if (!info.device_ap_sme) {
e1bd4e19 3284 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
0194fedb 3285
e5091674
JM		 3286 /*
3287 * No AP SME is currently assumed to also indicate no AP MLME
3288 * in the driver/firmware.
3289 */
3290 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
3291 }
3292
61cbe2ff 3293 drv->device_ap_sme = info.device_ap_sme;
39718852 3294 drv->poll_command_supported = info.poll_command_supported;
32ab4855 3295 drv->data_tx_status = info.data_tx_status;
61cbe2ff 3296
a11241fa 3297 /*
73a3c6ff
FF		 3298 * If poll command and tx status are supported, mac80211 is new enough
3299 * to have everything we need to not need monitor interfaces.
a11241fa 3300 */
73a3c6ff 3301 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
a11241fa 3302
536062f2
JM		 3303 if (drv->device_ap_sme && drv->use_monitor) {
3304 /*
3305 * Non-mac80211 drivers may not support monitor interface.
3306 * Make sure we do not get stuck with incorrect capability here
3307 * by explicitly testing this.
3308 */
3309 if (!info.monitor_supported) {
3310 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
3311 "with device_ap_sme since no monitor mode "
3312 "support detected");
3313 drv->use_monitor = 0;
3314 }
3315 }
3316
a11241fa
JB		 3317 /*
3318 * If we aren't going to use monitor interfaces, but the
3319 * driver doesn't support data TX status, we won't get TX
3320 * status for EAPOL frames.
3321 */
3322 if (!drv->use_monitor && !info.data_tx_status)
3323 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
3324
93d11400 3325 return 0;
80bc75f1
JM		 3326}
3327
3328
b088cf82
JM		 3329#ifdef ANDROID
3330static int android_genl_ctrl_resolve(struct nl_handle *handle,
3331 const char *name)
3332{
3333 /*
3334 * Android ICS has very minimal genl_ctrl_resolve() implementation, so
3335 * need to work around that.
3336 */
3337 struct nl_cache *cache = NULL;
3338 struct genl_family *nl80211 = NULL;
3339 int id = -1;
3340
3341 if (genl_ctrl_alloc_cache(handle, &cache) < 0) {
3342 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
3343 "netlink cache");
3344 goto fail;
3345 }
3346
3347 nl80211 = genl_ctrl_search_by_name(cache, name);
3348 if (nl80211 == NULL)
3349 goto fail;
3350
3351 id = genl_family_get_id(nl80211);
3352
3353fail:
3354 if (nl80211)
3355 genl_family_put(nl80211);
3356 if (cache)
3357 nl_cache_free(cache);
3358
3359 return id;
3360}
3361#define genl_ctrl_resolve android_genl_ctrl_resolve
3362#endif /* ANDROID */
3363
3364
2a7b66f5
BG		 3365static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
3366{
d6c9aab8
JB		 3367 int ret;
3368
2a7b66f5
BG		 3369 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3370 if (global->nl_cb == NULL) {
3371 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
3372 "callbacks");
3373 return -1;
3374 }
3375
481234cf
JM		 3376 global->nl = nl_create_handle(global->nl_cb, "nl");
3377 if (global->nl == NULL)
d6c9aab8 3378 goto err;
276e2d67 3379
481234cf 3380 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 3381 if (global->nl80211_id < 0) {
276e2d67
BG		 3382 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
3383 "found");
d6c9aab8 3384 goto err;
276e2d67
BG		 3385 }
3386
481234cf
JM		 3387 global->nl_event = nl_create_handle(global->nl_cb, "event");
3388 if (global->nl_event == NULL)
d6c9aab8 3389 goto err;
9fff9fdc 3390
d6c9aab8 3391 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 3392 if (ret >= 0)
481234cf 3393 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 3394 if (ret < 0) {
3395 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
3396 "membership for scan events: %d (%s)",
3397 ret, strerror(-ret));
d6c9aab8 3398 goto err;
97865538 3399 }
c2a04078 3400
d6c9aab8 3401 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 3402 if (ret >= 0)
481234cf 3403 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 3404 if (ret < 0) {
3405 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
3406 "membership for mlme events: %d (%s)",
3407 ret, strerror(-ret));
d6c9aab8 3408 goto err;
c2a04078 3409 }
c2a04078 3410
d6c9aab8 3411 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 3412 if (ret >= 0)
481234cf 3413 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 3414 if (ret < 0) {
3415 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
3416 "membership for regulatory events: %d (%s)",
3417 ret, strerror(-ret));
3418 /* Continue without regulatory events */
3419 }
3420
d6c9aab8
JB		 3421 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3422 no_seq_check, NULL);
3423 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3424 process_global_event, global);
3425
481234cf 3426 eloop_register_read_sock(nl_socket_get_fd(global->nl_event),
d6c9aab8 3427 wpa_driver_nl80211_event_receive,
481234cf 3428 global->nl_cb, global->nl_event);
d6c9aab8
JB		 3429
3430 return 0;
3431
3432err:
3433 nl_destroy_handles(&global->nl_event);
3434 nl_destroy_handles(&global->nl);
3435 nl_cb_put(global->nl_cb);
671a5039 3436 global->nl_cb = NULL;
d6c9aab8
JB		 3437 return -1;
3438}
3439
3440
3441static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
3442{
1afc986d
JB		 3443 drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3444 if (!drv->nl_cb) {
3445 wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct");
d6c9aab8 3446 return -1;
1afc986d
JB		 3447 }
3448
3449 nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3450 no_seq_check, NULL);
f06aedd9
JB		 3451 nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3452 process_drv_event, drv);
1afc986d 3453
9fff9fdc 3454 return 0;
9fff9fdc
JM		 3455}
3456
3457
8401a6b0
JM		 3458static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
3459{
8401a6b0 3460 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
a63063b4
JM		 3461 /*
3462 * This may be for any interface; use ifdown event to disable
3463 * interface.
3464 */
8401a6b0
JM		 3465}
3466
3467
3468static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
3469{
3470 struct wpa_driver_nl80211_data *drv = ctx;
3471 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
c81eff1a
BG		 3472 if (linux_set_iface_flags(drv->global->ioctl_sock,
3473 drv->first_bss.ifname, 1)) {
8401a6b0
JM		 3474 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
3475 "after rfkill unblock");
3476 return;
3477 }
a63063b4 3478 /* rtnetlink ifup handler will report interface as enabled */
8401a6b0
JM		 3479}
3480
3481
32ab4855
JB		 3482static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
3483 void *eloop_ctx,
3484 void *handle)
3485{
3486 struct wpa_driver_nl80211_data *drv = eloop_ctx;
3487 u8 data[2048];
3488 struct msghdr msg;
3489 struct iovec entry;
cad0f50e 3490 u8 control[512];
32ab4855
JB		 3491 struct cmsghdr *cmsg;
3492 int res, found_ee = 0, found_wifi = 0, acked = 0;
3493 union wpa_event_data event;
3494
3495 memset(&msg, 0, sizeof(msg));
3496 msg.msg_iov = &entry;
3497 msg.msg_iovlen = 1;
3498 entry.iov_base = data;
3499 entry.iov_len = sizeof(data);
3500 msg.msg_control = &control;
3501 msg.msg_controllen = sizeof(control);
3502
3503 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
3504 /* if error or not fitting 802.3 header, return */
3505 if (res < 14)
3506 return;
3507
3508 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
3509 {
3510 if (cmsg->cmsg_level == SOL_SOCKET &&
3511 cmsg->cmsg_type == SCM_WIFI_STATUS) {
3512 int *ack;
3513
3514 found_wifi = 1;
3515 ack = (void *)CMSG_DATA(cmsg);
3516 acked = *ack;
3517 }
3518
3519 if (cmsg->cmsg_level == SOL_PACKET &&
3520 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
3521 struct sock_extended_err *err =
3522 (struct sock_extended_err *)CMSG_DATA(cmsg);
3523
3524 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
3525 found_ee = 1;
3526 }
3527 }
3528
3529 if (!found_ee || !found_wifi)
3530 return;
3531
3532 memset(&event, 0, sizeof(event));
3533 event.eapol_tx_status.dst = data;
3534 event.eapol_tx_status.data = data + 14;
3535 event.eapol_tx_status.data_len = res - 14;
3536 event.eapol_tx_status.ack = acked;
3537 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
3538}
3539
3540
cc7a48d1
JB		 3541static int nl80211_init_bss(struct i802_bss *bss)
3542{
3543 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3544 if (!bss->nl_cb)
3545 return -1;
3546
3547 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3548 no_seq_check, NULL);
3549 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3550 process_bss_event, bss);
3551
3552 return 0;
3553}
3554
3555
3556static void nl80211_destroy_bss(struct i802_bss *bss)
3557{
3558 nl_cb_put(bss->nl_cb);
3559 bss->nl_cb = NULL;
3560}
3561
3562
9fff9fdc
JM		 3563/**
3564 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
3565 * @ctx: context to be used when calling wpa_supplicant functions,
3566 * e.g., wpa_supplicant_event()
3567 * @ifname: interface name, e.g., wlan0
f2ed8023 3568 * @global_priv: private driver global data from global_init()
9fff9fdc
JM		 3569 * Returns: Pointer to private data, %NULL on failure
3570 */
f2ed8023
JM		 3571static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
3572 void *global_priv)
9fff9fdc 3573{
9fff9fdc 3574 struct wpa_driver_nl80211_data *drv;
8401a6b0 3575 struct rfkill_config *rcfg;
a2e40bb6 3576 struct i802_bss *bss;
9fff9fdc 3577
a5c696ad
JM		 3578 if (global_priv == NULL)
3579 return NULL;
9fff9fdc
JM		 3580 drv = os_zalloc(sizeof(*drv));
3581 if (drv == NULL)
3582 return NULL;
f2ed8023 3583 drv->global = global_priv;
9fff9fdc 3584 drv->ctx = ctx;
a2e40bb6
FF		 3585 bss = &drv->first_bss;
3586 bss->drv = drv;
a5e1eb20
SE		 3587 bss->ctx = ctx;
3588
a2e40bb6 3589 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 3590 drv->monitor_ifidx = -1;
3591 drv->monitor_sock = -1;
d12dab4c 3592 drv->eapol_tx_sock = -1;
b1f625e0 3593 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 3594
ba2d0d7d 3595 if (wpa_driver_nl80211_init_nl(drv)) {
bbaf0837
JM		 3596 os_free(drv);
3597 return NULL;
3598 }
9fff9fdc 3599
cc7a48d1
JB		 3600 if (nl80211_init_bss(bss))
3601 goto failed;
3602
8401a6b0
JM		 3603 rcfg = os_zalloc(sizeof(*rcfg));
3604 if (rcfg == NULL)
3605 goto failed;
3606 rcfg->ctx = drv;
3607 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
3608 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
3609 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
3610 drv->rfkill = rfkill_init(rcfg);
52169389 3611 if (drv->rfkill == NULL) {
8401a6b0 3612 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
52169389
JM		 3613 os_free(rcfg);
3614 }
8401a6b0 3615
08063178 3616 if (wpa_driver_nl80211_finish_drv_init(drv))
bbaf0837 3617 goto failed;
7524cfb1 3618
d12dab4c 3619 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 3620 if (drv->eapol_tx_sock < 0)
3621 goto failed;
3622
3623 if (drv->data_tx_status) {
3624 int enabled = 1;
3625
3626 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
3627 &enabled, sizeof(enabled)) < 0) {
3628 wpa_printf(MSG_DEBUG,
3629 "nl80211: wifi status sockopt failed\n");
3630 drv->data_tx_status = 0;
a11241fa
JB		 3631 if (!drv->use_monitor)
3632 drv->capa.flags &=
3633 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 3634 } else {
3635 eloop_register_read_sock(drv->eapol_tx_sock,
3636 wpa_driver_nl80211_handle_eapol_tx_status,
3637 drv, NULL);
3638 }
3639 }
f10bfc9a 3640
dac12351 3641 if (drv->global) {
c4bb8817 3642 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 3643 drv->in_interface_list = 1;
3644 }
c4bb8817 3645
a2e40bb6 3646 return bss;
7524cfb1 3647
bbaf0837 3648failed:
dac12351 3649 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 3650 return NULL;
3651}
3652
3653
a11241fa 3654static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 3655 struct nl_handle *nl_handle,
bd94971e 3656 u16 type, const u8 *match, size_t match_len)
58f6fbe0 3657{
a11241fa 3658 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0
JM		 3659 struct nl_msg *msg;
3660 int ret = -1;
3661
3662 msg = nlmsg_alloc();
3663 if (!msg)
3664 return -1;
3665
36488c05
JM		 3666 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x nl_handle=%p",
3667 type, nl_handle);
3668 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
3669 match, match_len);
3670
9fb04070 3671 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION);
58f6fbe0 3672
f632e483 3673 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 3674 goto nla_put_failure;
3675
bd94971e 3676 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type);
58f6fbe0
JM		 3677 NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match);
3678
d6c9aab8 3679 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0
JM		 3680 msg = NULL;
3681 if (ret) {
5582a5d1
JB		 3682 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
3683 "failed (type=%u): ret=%d (%s)",
3684 type, ret, strerror(-ret));
3685 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0
JM		 3686 match, match_len);
3687 goto nla_put_failure;
3688 }
3689 ret = 0;
3690nla_put_failure:
3691 nlmsg_free(msg);
3692 return ret;
3693}
3694
3695
a11241fa
JB		 3696static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
3697{
3698 struct wpa_driver_nl80211_data *drv = bss->drv;
3699
481234cf 3700 if (bss->nl_mgmt) {
a11241fa 3701 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 3702 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 3703 return -1;
3704 }
3705
481234cf
JM		 3706 bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
3707 if (bss->nl_mgmt == NULL)
a11241fa
JB		 3708 return -1;
3709
481234cf 3710 eloop_register_read_sock(nl_socket_get_fd(bss->nl_mgmt),
a11241fa 3711 wpa_driver_nl80211_event_receive, bss->nl_cb,
481234cf 3712 bss->nl_mgmt);
a11241fa
JB		 3713
3714 return 0;
3715}
3716
3717
3718static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 3719 const u8 *match, size_t match_len)
3720{
3721 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 3722 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 3723 type, match, match_len);
bd94971e
JB		 3724}
3725
3726
a11241fa 3727static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 3728{
a11241fa
JB		 3729 struct wpa_driver_nl80211_data *drv = bss->drv;
3730
3731 if (nl80211_alloc_mgmt_handle(bss))
3732 return -1;
36488c05
JM		 3733 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
3734 "handle %p", bss->nl_mgmt);
a11241fa 3735
4fe9fa0d 3736#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 3737 /* GAS Initial Request */
a11241fa 3738 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
046b26a2
JM		 3739 return -1;
3740 /* GAS Initial Response */
a11241fa 3741 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
046b26a2 3742 return -1;
18708aad 3743 /* GAS Comeback Request */
a11241fa 3744 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
18708aad
JM		 3745 return -1;
3746 /* GAS Comeback Response */
a11241fa 3747 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
18708aad 3748 return -1;
4fe9fa0d
JM		 3749#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
3750#ifdef CONFIG_P2P
046b26a2 3751 /* P2P Public Action */
a11241fa 3752 if (nl80211_register_action_frame(bss,
046b26a2
JM		 3753 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
3754 6) < 0)
3755 return -1;
3756 /* P2P Action */
a11241fa 3757 if (nl80211_register_action_frame(bss,
046b26a2
JM		 3758 (u8 *) "\x7f\x50\x6f\x9a\x09",
3759 5) < 0)
3760 return -1;
3761#endif /* CONFIG_P2P */
7d878ca7
JM		 3762#ifdef CONFIG_IEEE80211W
3763 /* SA Query Response */
a11241fa 3764 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
7d878ca7
JM		 3765 return -1;
3766#endif /* CONFIG_IEEE80211W */
35287637
AN		 3767#ifdef CONFIG_TDLS
3768 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
3769 /* TDLS Discovery Response */
aa543c0c 3770 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637
AN		 3771 0)
3772 return -1;
3773 }
3774#endif /* CONFIG_TDLS */
046b26a2 3775
7b90c16a 3776 /* FT Action frames */
a11241fa 3777 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
7b90c16a
JM		 3778 return -1;
3779 else
3780 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
3781 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
3782
71269b37 3783 /* WNM - BSS Transition Management Request */
a11241fa
JB		 3784 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
3785 return -1;
bd896433
JM		 3786 /* WNM-Sleep Mode Response */
3787 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
3788 return -1;
a11241fa
JB		 3789
3790 return 0;
3791}
3792
3793
02bb32c3
JB		 3794static int nl80211_register_spurious_class3(struct i802_bss *bss)
3795{
3796 struct wpa_driver_nl80211_data *drv = bss->drv;
3797 struct nl_msg *msg;
3798 int ret = -1;
3799
3800 msg = nlmsg_alloc();
3801 if (!msg)
3802 return -1;
3803
3804 nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME);
3805
3806 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
3807
481234cf 3808 ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 3809 msg = NULL;
3810 if (ret) {
3811 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
3812 "failed: ret=%d (%s)",
3813 ret, strerror(-ret));
3814 goto nla_put_failure;
3815 }
3816 ret = 0;
3817nla_put_failure:
3818 nlmsg_free(msg);
3819 return ret;
3820}
3821
3822
a11241fa
JB		 3823static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
3824{
3825 static const int stypes[] = {
3826 WLAN_FC_STYPE_AUTH,
3827 WLAN_FC_STYPE_ASSOC_REQ,
3828 WLAN_FC_STYPE_REASSOC_REQ,
3829 WLAN_FC_STYPE_DISASSOC,
3830 WLAN_FC_STYPE_DEAUTH,
3831 WLAN_FC_STYPE_ACTION,
3832 WLAN_FC_STYPE_PROBE_REQ,
3833/* Beacon doesn't work as mac80211 doesn't currently allow
3834 * it, but it wouldn't really be the right thing anyway as
3835 * it isn't per interface ... maybe just dump the scan
3836 * results periodically for OLBC?
3837 */
3838// WLAN_FC_STYPE_BEACON,
3839 };
3840 unsigned int i;
3841
3842 if (nl80211_alloc_mgmt_handle(bss))
71269b37 3843 return -1;
36488c05
JM		 3844 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
3845 "handle %p", bss->nl_mgmt);
71269b37 3846
a11241fa 3847 for (i = 0; i < sizeof(stypes) / sizeof(stypes[0]); i++) {
481234cf 3848 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 3849 (WLAN_FC_TYPE_MGMT << 2) |
3850 (stypes[i] << 4),
3851 NULL, 0) < 0) {
3852 goto out_err;
3853 }
3854 }
3855
02bb32c3
JB		 3856 if (nl80211_register_spurious_class3(bss))
3857 goto out_err;
3858
e32ad281
JB		 3859 if (nl80211_get_wiphy_data_ap(bss) == NULL)
3860 goto out_err;
3861
58f6fbe0 3862 return 0;
a11241fa
JB		 3863
3864out_err:
481234cf 3865 eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
a11241fa
JB		 3866 nl_destroy_handles(&bss->nl_mgmt);
3867 return -1;
3868}
3869
3870
a6cc0602
JM		 3871static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
3872{
3873 if (nl80211_alloc_mgmt_handle(bss))
3874 return -1;
3875 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
3876 "handle %p (device SME)", bss->nl_mgmt);
3877
3878 if (nl80211_register_frame(bss, bss->nl_mgmt,
3879 (WLAN_FC_TYPE_MGMT << 2) |
3880 (WLAN_FC_STYPE_ACTION << 4),
3881 NULL, 0) < 0)
3882 goto out_err;
3883
3884 return 0;
3885
3886out_err:
3887 eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
3888 nl_destroy_handles(&bss->nl_mgmt);
3889 return -1;
3890}
3891
3892
36488c05 3893static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 3894{
481234cf 3895 if (bss->nl_mgmt == NULL)
a11241fa 3896 return;
36488c05
JM		 3897 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
3898 "(%s)", bss->nl_mgmt, reason);
481234cf 3899 eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
a11241fa 3900 nl_destroy_handles(&bss->nl_mgmt);
e32ad281
JB		 3901
3902 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 3903}
3904
3905
8401a6b0
JM		 3906static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
3907{
3908 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
3909}
3910
3911
eb4582f2
AS		 3912static void nl80211_del_p2pdev(struct i802_bss *bss)
3913{
3914 struct wpa_driver_nl80211_data *drv = bss->drv;
3915 struct nl_msg *msg;
3916 int ret;
3917
3918 msg = nlmsg_alloc();
3919 if (!msg)
3920 return;
3921
3922 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
3923 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
3924
3925 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3926 msg = NULL;
3927
3928 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
3929 bss->ifname, (long long unsigned int) bss->wdev_id,
3930 strerror(ret));
3931
3932nla_put_failure:
3933 nlmsg_free(msg);
3934}
3935
3936
eb4582f2 3937static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483
AS		 3938{
3939 struct wpa_driver_nl80211_data *drv = bss->drv;
3940 struct nl_msg *msg;
3941 int ret = -1;
3942
f632e483
AS		 3943 msg = nlmsg_alloc();
3944 if (!msg)
3945 return -1;
3946
eb4582f2
AS		 3947 if (start)
3948 nl80211_cmd(drv, msg, 0, NL80211_CMD_START_P2P_DEVICE);
3949 else
3950 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_P2P_DEVICE);
3951
f632e483
AS		 3952 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
3953
3954 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3955 msg = NULL;
3956
eb4582f2
AS		 3957 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
3958 start ? "Start" : "Stop",
3959 bss->ifname, (long long unsigned int) bss->wdev_id,
3960 strerror(ret));
3961
f632e483
AS		 3962nla_put_failure:
3963 nlmsg_free(msg);
3964 return ret;
3965}
f632e483
AS		 3966
3967
91724d6f
AS		 3968static int i802_set_iface_flags(struct i802_bss *bss, int up)
3969{
3970 enum nl80211_iftype nlmode;
3971
3972 nlmode = nl80211_get_ifmode(bss);
3973 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
3974 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
3975 bss->ifname, up);
3976 }
3977
3978 /* P2P Device has start/stop which is equivalent */
3979 return nl80211_set_p2pdev(bss, up);
3980}
3981
3982
362f781e 3983static int
7524cfb1
JM		 3984wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
3985{
f632e483 3986#ifndef HOSTAPD
8e12685c 3987 enum nl80211_iftype nlmode = NL80211_IFTYPE_STATION;
f632e483 3988#endif /* HOSTAPD */
a2e40bb6 3989 struct i802_bss *bss = &drv->first_bss;
8401a6b0 3990 int send_rfkill_event = 0;
f632e483 3991 int dynamic_if;
a2e40bb6
FF		 3992
3993 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 3994 bss->ifindex = drv->ifindex;
3995 bss->wdev_id = drv->global->if_add_wdevid;
3996 bss->wdev_id_set = drv->global->if_add_wdevid_set;
3997
3998 dynamic_if = drv->ifindex == drv->global->if_add_ifindex;
3999 dynamic_if = dynamic_if || drv->global->if_add_wdevid_set;
4000 drv->global->if_add_wdevid_set = 0;
4001
4002 if (wpa_driver_nl80211_capa(drv))
4003 return -1;
a87c9d96 4004
5fbcb45d
AS		 4005 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
4006 bss->ifname, drv->phyname);
4007
bbaf0837 4008#ifndef HOSTAPD
8e12685c
AS		 4009 if (dynamic_if)
4010 nlmode = nl80211_get_ifmode(bss);
f632e483 4011
ff6a158b
JM		 4012 /*
4013 * Make sure the interface starts up in station mode unless this is a
4014 * dynamically added interface (e.g., P2P) that was already configured
4015 * with proper iftype.
4016 */
8e12685c
AS		 4017 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
4018 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver to use managed mode");
4019 return -1;
a87c9d96 4020 }
8e12685c 4021 drv->nlmode = nlmode;
a87c9d96 4022
f632e483 4023 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
eb4582f2 4024 int ret = nl80211_set_p2pdev(bss, 1);
f632e483
AS		 4025 if (ret < 0)
4026 wpa_printf(MSG_ERROR, "nl80211: Could not start P2P device");
597b94f5 4027 nl80211_get_macaddr(bss);
f632e483
AS		 4028 return ret;
4029 }
4030
c81eff1a 4031 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) {
8401a6b0
JM		 4032 if (rfkill_is_blocked(drv->rfkill)) {
4033 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
4034 "interface '%s' due to rfkill",
4035 bss->ifname);
a63063b4 4036 drv->if_disabled = 1;
8401a6b0
JM		 4037 send_rfkill_event = 1;
4038 } else {
4039 wpa_printf(MSG_ERROR, "nl80211: Could not set "
4040 "interface '%s' UP", bss->ifname);
4041 return -1;
4042 }
362f781e 4043 }
3f5285e8 4044
36d84860 4045 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 4046 1, IF_OPER_DORMANT);
bbaf0837 4047#endif /* HOSTAPD */
362f781e 4048
c81eff1a 4049 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
341eebee 4050 bss->addr))
2136f480 4051 return -1;
f2ed8023 4052
8401a6b0
JM		 4053 if (send_rfkill_event) {
4054 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
4055 drv, drv->ctx);
4056 }
4057
362f781e 4058 return 0;
3f5285e8
JM		 4059}
4060
4061
8a27af5c
JM		 4062static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
4063{
4064 struct nl_msg *msg;
4065
4066 msg = nlmsg_alloc();
4067 if (!msg)
4068 return -ENOMEM;
4069
9fb04070 4070 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON);
8a27af5c
JM		 4071 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4072
4073 return send_and_recv_msgs(drv, msg, NULL, NULL);
4074 nla_put_failure:
5883168a 4075 nlmsg_free(msg);
8a27af5c
JM		 4076 return -ENOBUFS;
4077}
8a27af5c
JM		 4078
4079
3f5285e8 4080/**
7e5ba1b9 4081 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 4082 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 4083 *
4084 * Shut down driver interface and processing of driver events. Free
4085 * private data buffer if one was allocated in wpa_driver_nl80211_init().
4086 */
9ebce9c5 4087static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 4088{
a2e40bb6 4089 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 4090
873d0fcf 4091 bss->in_deinit = 1;
32ab4855
JB		 4092 if (drv->data_tx_status)
4093 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 4094 if (drv->eapol_tx_sock >= 0)
4095 close(drv->eapol_tx_sock);
f10bfc9a 4096
481234cf 4097 if (bss->nl_preq)
5582a5d1 4098 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 4099 if (bss->added_if_into_bridge) {
c81eff1a
BG		 4100 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
4101 bss->ifname) < 0)
94627f6c
JM		 4102 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4103 "interface %s from bridge %s: %s",
e17a2477 4104 bss->ifname, bss->brname, strerror(errno));
94627f6c 4105 }
e17a2477 4106 if (bss->added_bridge) {
c81eff1a 4107 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 4108 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4109 "bridge %s: %s",
e17a2477 4110 bss->brname, strerror(errno));
94627f6c
JM		 4111 }
4112
460456f8 4113 nl80211_remove_monitor_interface(drv);
8a27af5c 4114
b1f625e0 4115 if (is_ap_interface(drv->nlmode))
8a27af5c 4116 wpa_driver_nl80211_del_beacon(drv);
0915d02c 4117
bbaf0837
JM		 4118#ifdef HOSTAPD
4119 if (drv->last_freq_ht) {
4120 /* Clear HT flags from the driver */
4121 struct hostapd_freq_params freq;
4122 os_memset(&freq, 0, sizeof(freq));
4123 freq.freq = drv->last_freq;
9ebce9c5 4124 wpa_driver_nl80211_set_freq(bss, &freq);
bbaf0837
JM		 4125 }
4126
bbaf0837
JM		 4127 if (drv->eapol_sock >= 0) {
4128 eloop_unregister_read_sock(drv->eapol_sock);
4129 close(drv->eapol_sock);
4130 }
4131
4132 if (drv->if_indices != drv->default_if_indices)
4133 os_free(drv->if_indices);
1b648c7e 4134#endif /* HOSTAPD */
3f5285e8 4135
b3af99d2 4136 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 4137 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
4138
36d84860
BG		 4139 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
4140 IF_OPER_UP);
8401a6b0 4141 rfkill_deinit(drv->rfkill);
3f5285e8 4142
bbaf0837
JM		 4143 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
4144
91724d6f 4145 (void) i802_set_iface_flags(bss, 0);
8e12685c
AS		 4146 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
4147 wpa_driver_nl80211_set_mode(bss, NL80211_IFTYPE_STATION);
4148 } else {
4149 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 4150 nl80211_del_p2pdev(bss);
8e12685c 4151 }
1afc986d 4152 nl_cb_put(drv->nl_cb);
3f5285e8 4153
cc7a48d1
JB		 4154 nl80211_destroy_bss(&drv->first_bss);
4155
3812464c
JM		 4156 os_free(drv->filter_ssids);
4157
536fd62d
JM		 4158 os_free(drv->auth_ie);
4159
dac12351 4160 if (drv->in_interface_list)
f2ed8023
JM		 4161 dl_list_del(&drv->list);
4162
8cd6b7bc
JB		 4163 os_free(drv->extended_capa);
4164 os_free(drv->extended_capa_mask);
3f5285e8
JM		 4165 os_free(drv);
4166}
4167
4168
4169/**
4170 * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion
ad1e68e6 4171 * @eloop_ctx: Driver private data
3f5285e8
JM		 4172 * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init()
4173 *
4174 * This function can be used as registered timeout when starting a scan to
4175 * generate a scan completed event if the driver does not report this.
4176 */
4177static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
4178{
ad1e68e6 4179 struct wpa_driver_nl80211_data *drv = eloop_ctx;
b1f625e0 4180 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) {
a2e40bb6 4181 wpa_driver_nl80211_set_mode(&drv->first_bss,
b1f625e0
EP		 4182 drv->ap_scan_as_station);
4183 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6 4184 }
3f5285e8
JM		 4185 wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
4186 wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
4187}
4188
4189
95ac3bf4
JM		 4190static struct nl_msg *
4191nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd,
d3aaef80 4192 struct wpa_driver_scan_params *params, u64 *wdev_id)
3f5285e8 4193{
95ac3bf4 4194 struct nl_msg *msg;
6a1063e0 4195 size_t i;
3f5285e8 4196
0e75527f 4197 msg = nlmsg_alloc();
f0494d0f 4198 if (!msg)
95ac3bf4 4199 return NULL;
3812464c 4200
95ac3bf4 4201 nl80211_cmd(drv, msg, 0, cmd);
0e75527f 4202
d3aaef80
DS		 4203 if (!wdev_id)
4204 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4205 else
4206 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, *wdev_id);
3f5285e8 4207
f0494d0f 4208 if (params->num_ssids) {
8970bae8
JB		 4209 struct nlattr *ssids;
4210
4211 ssids = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
f0494d0f 4212 if (ssids == NULL)
95ac3bf4 4213 goto fail;
f0494d0f
JM		 4214 for (i = 0; i < params->num_ssids; i++) {
4215 wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID",
4216 params->ssids[i].ssid,
4217 params->ssids[i].ssid_len);
8970bae8
JB		 4218 if (nla_put(msg, i + 1, params->ssids[i].ssid_len,
4219 params->ssids[i].ssid) < 0)
95ac3bf4 4220 goto fail;
f0494d0f 4221 }
8970bae8 4222 nla_nest_end(msg, ssids);
3f5285e8
JM		 4223 }
4224
d173df52 4225 if (params->extra_ies) {
3b1c7bfd
JM		 4226 wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs",
4227 params->extra_ies, params->extra_ies_len);
95ac3bf4
JM		 4228 if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len,
4229 params->extra_ies) < 0)
4230 goto fail;
d173df52
JM		 4231 }
4232
d3a98225 4233 if (params->freqs) {
8970bae8
JB		 4234 struct nlattr *freqs;
4235 freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
f0494d0f 4236 if (freqs == NULL)
95ac3bf4 4237 goto fail;
9fad706c
JM		 4238 for (i = 0; params->freqs[i]; i++) {
4239 wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u "
4240 "MHz", params->freqs[i]);
8970bae8 4241 if (nla_put_u32(msg, i + 1, params->freqs[i]) < 0)
95ac3bf4 4242 goto fail;
9fad706c 4243 }
8970bae8 4244 nla_nest_end(msg, freqs);
d3a98225
JM		 4245 }
4246
95ac3bf4
JM		 4247 os_free(drv->filter_ssids);
4248 drv->filter_ssids = params->filter_ssids;
4249 params->filter_ssids = NULL;
4250 drv->num_filter_ssids = params->num_filter_ssids;
4251
4252 return msg;
4253
4254fail:
d3aaef80 4255nla_put_failure:
95ac3bf4
JM		 4256 nlmsg_free(msg);
4257 return NULL;
4258}
4259
4260
4261/**
4262 * wpa_driver_nl80211_scan - Request the driver to initiate scan
9ebce9c5 4263 * @bss: Pointer to private driver data from wpa_driver_nl80211_init()
95ac3bf4
JM		 4264 * @params: Scan parameters
4265 * Returns: 0 on success, -1 on failure
4266 */
9ebce9c5 4267static int wpa_driver_nl80211_scan(struct i802_bss *bss,
95ac3bf4
JM		 4268 struct wpa_driver_scan_params *params)
4269{
95ac3bf4
JM		 4270 struct wpa_driver_nl80211_data *drv = bss->drv;
4271 int ret = -1, timeout;
8970bae8 4272 struct nl_msg *msg = NULL;
95ac3bf4 4273
565110cd 4274 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: scan request");
95ac3bf4
JM		 4275 drv->scan_for_auth = 0;
4276
d3aaef80
DS		 4277 msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params,
4278 bss->wdev_id_set ? &bss->wdev_id : NULL);
95ac3bf4
JM		 4279 if (!msg)
4280 return -1;
4281
47185fc7 4282 if (params->p2p_probe) {
8970bae8
JB		 4283 struct nlattr *rates;
4284
8a6a1e1b
JM		 4285 wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates");
4286
8970bae8 4287 rates = nla_nest_start(msg, NL80211_ATTR_SCAN_SUPP_RATES);
f0494d0f
JM		 4288 if (rates == NULL)
4289 goto nla_put_failure;
4290
47185fc7
RM		 4291 /*
4292 * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates
4293 * by masking out everything else apart from the OFDM rates 6,
4294 * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz
4295 * rates are left enabled.
4296 */
8970bae8 4297 NLA_PUT(msg, NL80211_BAND_2GHZ, 8,
47185fc7 4298 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
8970bae8 4299 nla_nest_end(msg, rates);
970fa12e
RM		 4300
4301 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
47185fc7
RM		 4302 }
4303
0e75527f
JM		 4304 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4305 msg = NULL;
4306 if (ret) {
4307 wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
4308 "(%s)", ret, strerror(-ret));
ad1e68e6 4309#ifdef HOSTAPD
b1f625e0 4310 if (is_ap_interface(drv->nlmode)) {
ad1e68e6
JM		 4311 /*
4312 * mac80211 does not allow scan requests in AP mode, so
4313 * try to do this in station mode.
4314 */
b1f625e0
EP		 4315 if (wpa_driver_nl80211_set_mode(
4316 bss, NL80211_IFTYPE_STATION))
ad1e68e6
JM		 4317 goto nla_put_failure;
4318
085b29f1 4319 if (wpa_driver_nl80211_scan(bss, params)) {
b1f625e0 4320 wpa_driver_nl80211_set_mode(bss, drv->nlmode);
ad1e68e6
JM		 4321 goto nla_put_failure;
4322 }
4323
4324 /* Restore AP mode when processing scan results */
b1f625e0 4325 drv->ap_scan_as_station = drv->nlmode;
ad1e68e6
JM		 4326 ret = 0;
4327 } else
4328 goto nla_put_failure;
4329#else /* HOSTAPD */
0e75527f 4330 goto nla_put_failure;
ad1e68e6 4331#endif /* HOSTAPD */
3f5285e8
JM		 4332 }
4333
4334 /* Not all drivers generate "scan completed" wireless event, so try to
4335 * read results after a timeout. */
0e75527f 4336 timeout = 10;
3f5285e8
JM		 4337 if (drv->scan_complete_events) {
4338 /*
d173df52
JM		 4339 * The driver seems to deliver events to notify when scan is
4340 * complete, so use longer timeout to avoid race conditions
4341 * with scanning and following association request.
3f5285e8
JM		 4342 */
4343 timeout = 30;
4344 }
4345 wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d "
4346 "seconds", ret, timeout);
4347 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
0e75527f
JM		 4348 eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout,
4349 drv, drv->ctx);
3f5285e8 4350
0e75527f 4351nla_put_failure:
0e75527f 4352 nlmsg_free(msg);
3f5285e8
JM		 4353 return ret;
4354}
4355
4356
d21c63b9
LC		 4357/**
4358 * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan
4359 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
4360 * @params: Scan parameters
4361 * @interval: Interval between scan cycles in milliseconds
4362 * Returns: 0 on success, -1 on failure or if not supported
4363 */
4364static int wpa_driver_nl80211_sched_scan(void *priv,
4365 struct wpa_driver_scan_params *params,
4366 u32 interval)
4367{
4368 struct i802_bss *bss = priv;
4369 struct wpa_driver_nl80211_data *drv = bss->drv;
6afbc3d6 4370 int ret = -1;
95ac3bf4 4371 struct nl_msg *msg;
d21c63b9
LC		 4372 size_t i;
4373
565110cd
JM		 4374 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: sched_scan request");
4375
216eede8
DS		 4376#ifdef ANDROID
4377 if (!drv->capa.sched_scan_supported)
4378 return android_pno_start(bss, params);
4379#endif /* ANDROID */
4380
d3aaef80
DS		 4381 msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params,
4382 bss->wdev_id_set ? &bss->wdev_id : NULL);
6afbc3d6
JM		 4383 if (!msg)
4384 goto nla_put_failure;
d21c63b9 4385
d21c63b9
LC		 4386 NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval);
4387
bf8d6d24
TP		 4388 if ((drv->num_filter_ssids &&
4389 (int) drv->num_filter_ssids <= drv->capa.max_match_sets) ||
4390 params->filter_rssi) {
8970bae8
JB		 4391 struct nlattr *match_sets;
4392 match_sets = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH);
6afbc3d6
JM		 4393 if (match_sets == NULL)
4394 goto nla_put_failure;
bd525934
LC		 4395
4396 for (i = 0; i < drv->num_filter_ssids; i++) {
8970bae8 4397 struct nlattr *match_set_ssid;
bd525934
LC		 4398 wpa_hexdump_ascii(MSG_MSGDUMP,
4399 "nl80211: Sched scan filter SSID",
4400 drv->filter_ssids[i].ssid,
4401 drv->filter_ssids[i].ssid_len);
4402
8970bae8 4403 match_set_ssid = nla_nest_start(msg, i + 1);
6afbc3d6
JM		 4404 if (match_set_ssid == NULL)
4405 goto nla_put_failure;
8970bae8 4406 NLA_PUT(msg, NL80211_ATTR_SCHED_SCAN_MATCH_SSID,
bd525934
LC		 4407 drv->filter_ssids[i].ssid_len,
4408 drv->filter_ssids[i].ssid);
4409
adc96dc2 4410 nla_nest_end(msg, match_set_ssid);
bd525934
LC		 4411 }
4412
bf8d6d24 4413 if (params->filter_rssi) {
8970bae8
JB		 4414 struct nlattr *match_set_rssi;
4415 match_set_rssi = nla_nest_start(msg, 0);
6afbc3d6
JM		 4416 if (match_set_rssi == NULL)
4417 goto nla_put_failure;
8970bae8 4418 NLA_PUT_U32(msg, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
bf8d6d24
TP		 4419 params->filter_rssi);
4420 wpa_printf(MSG_MSGDUMP,
4421 "nl80211: Sched scan RSSI filter %d dBm",
4422 params->filter_rssi);
8970bae8 4423 nla_nest_end(msg, match_set_rssi);
bf8d6d24
TP		 4424 }
4425
8970bae8 4426 nla_nest_end(msg, match_sets);
bd525934
LC		 4427 }
4428
d21c63b9
LC		 4429 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4430
4431 /* TODO: if we get an error here, we should fall back to normal scan */
4432
4433 msg = NULL;
4434 if (ret) {
4435 wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: "
4436 "ret=%d (%s)", ret, strerror(-ret));
4437 goto nla_put_failure;
4438 }
4439
4440 wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - "
4441 "scan interval %d msec", ret, interval);
4442
4443nla_put_failure:
d21c63b9 4444 nlmsg_free(msg);
d21c63b9
LC		 4445 return ret;
4446}
4447
4448
4449/**
4450 * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan
4451 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
4452 * Returns: 0 on success, -1 on failure or if not supported
4453 */
4454static int wpa_driver_nl80211_stop_sched_scan(void *priv)
4455{
4456 struct i802_bss *bss = priv;
4457 struct wpa_driver_nl80211_data *drv = bss->drv;
4458 int ret = 0;
4459 struct nl_msg *msg;
4460
216eede8
DS		 4461#ifdef ANDROID
4462 if (!drv->capa.sched_scan_supported)
4463 return android_pno_stop(bss);
4464#endif /* ANDROID */
4465
d21c63b9
LC		 4466 msg = nlmsg_alloc();
4467 if (!msg)
4468 return -1;
4469
9fb04070 4470 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN);
d21c63b9
LC		 4471
4472 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4473
4474 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4475 msg = NULL;
4476 if (ret) {
4477 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: "
4478 "ret=%d (%s)", ret, strerror(-ret));
4479 goto nla_put_failure;
4480 }
4481
4482 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret);
4483
4484nla_put_failure:
4485 nlmsg_free(msg);
4486 return ret;
4487}
4488
4489
3812464c
JM		 4490static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie)
4491{
4492 const u8 *end, *pos;
4493
4494 if (ies == NULL)
4495 return NULL;
4496
4497 pos = ies;
4498 end = ies + ies_len;
4499
4500 while (pos + 1 < end) {
4501 if (pos + 2 + pos[1] > end)
4502 break;
4503 if (pos[0] == ie)
4504 return pos;
4505 pos += 2 + pos[1];
4506 }
4507
4508 return NULL;
4509}
4510
4511
4512static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv,
4513 const u8 *ie, size_t ie_len)
4514{
4515 const u8 *ssid;
4516 size_t i;
4517
4518 if (drv->filter_ssids == NULL)
4519 return 0;
4520
4521 ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID);
4522 if (ssid == NULL)
4523 return 1;
4524
4525 for (i = 0; i < drv->num_filter_ssids; i++) {
4526 if (ssid[1] == drv->filter_ssids[i].ssid_len &&
4527 os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) ==
4528 0)
4529 return 0;
4530 }
4531
4532 return 1;
4533}
4534
4535
b3db1e1c 4536static int bss_info_handler(struct nl_msg *msg, void *arg)
3f5285e8 4537{
b3db1e1c
JM		 4538 struct nlattr *tb[NL80211_ATTR_MAX + 1];
4539 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
4540 struct nlattr *bss[NL80211_BSS_MAX + 1];
4541 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
4542 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
4543 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
4544 [NL80211_BSS_TSF] = { .type = NLA_U64 },
4545 [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 },
4546 [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 },
4547 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
4548 [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
4549 [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
e6b8efeb 4550 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
b3ad11bb 4551 [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
8c090654 4552 [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC },
b3db1e1c 4553 };
3812464c
JM		 4554 struct nl80211_bss_info_arg *_arg = arg;
4555 struct wpa_scan_results *res = _arg->res;
3f5285e8
JM		 4556 struct wpa_scan_res **tmp;
4557 struct wpa_scan_res *r;
8c090654
JM		 4558 const u8 *ie, *beacon_ie;
4559 size_t ie_len, beacon_ie_len;
4560 u8 *pos;
46957a9b 4561 size_t i;
3f5285e8 4562
b3db1e1c
JM		 4563 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
4564 genlmsg_attrlen(gnlh, 0), NULL);
4565 if (!tb[NL80211_ATTR_BSS])
4566 return NL_SKIP;
4567 if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
4568 bss_policy))
4569 return NL_SKIP;
f5a8d422
JM		 4570 if (bss[NL80211_BSS_STATUS]) {
4571 enum nl80211_bss_status status;
4572 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
4573 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
4574 bss[NL80211_BSS_FREQUENCY]) {
4575 _arg->assoc_freq =
4576 nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
4577 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
4578 _arg->assoc_freq);
4579 }
20f5a4c2
JM		 4580 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
4581 bss[NL80211_BSS_BSSID]) {
4582 os_memcpy(_arg->assoc_bssid,
4583 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
4584 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
4585 MACSTR, MAC2STR(_arg->assoc_bssid));
4586 }
f5a8d422
JM		 4587 }
4588 if (!res)
4589 return NL_SKIP;
b3db1e1c
JM		 4590 if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
4591 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
4592 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
4593 } else {
4594 ie = NULL;
4595 ie_len = 0;
4596 }
8c090654
JM		 4597 if (bss[NL80211_BSS_BEACON_IES]) {
4598 beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]);
4599 beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]);
4600 } else {
4601 beacon_ie = NULL;
4602 beacon_ie_len = 0;
4603 }
3f5285e8 4604
3812464c
JM		 4605 if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie,
4606 ie ? ie_len : beacon_ie_len))
4607 return NL_SKIP;
4608
8c090654 4609 r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len);
3f5285e8 4610 if (r == NULL)
b3db1e1c
JM		 4611 return NL_SKIP;
4612 if (bss[NL80211_BSS_BSSID])
4613 os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]),
4614 ETH_ALEN);
4615 if (bss[NL80211_BSS_FREQUENCY])
4616 r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
4617 if (bss[NL80211_BSS_BEACON_INTERVAL])
4618 r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]);
4619 if (bss[NL80211_BSS_CAPABILITY])
4620 r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]);
7c2849d2
JM		 4621 r->flags |= WPA_SCAN_NOISE_INVALID;
4622 if (bss[NL80211_BSS_SIGNAL_MBM]) {
b3db1e1c 4623 r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]);
7c2849d2
JM		 4624 r->level /= 100; /* mBm to dBm */
4625 r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID;
4626 } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) {
4627 r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
98ac6763 4628 r->flags |= WPA_SCAN_QUAL_INVALID;
7c2849d2
JM		 4629 } else
4630 r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID;
b3db1e1c
JM		 4631 if (bss[NL80211_BSS_TSF])
4632 r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]);
b3ad11bb
JM		 4633 if (bss[NL80211_BSS_SEEN_MS_AGO])
4634 r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]);
b3db1e1c 4635 r->ie_len = ie_len;
8c090654
JM		 4636 pos = (u8 *) (r + 1);
4637 if (ie) {
4638 os_memcpy(pos, ie, ie_len);
4639 pos += ie_len;
4640 }
4641 r->beacon_ie_len = beacon_ie_len;
4642 if (beacon_ie)
4643 os_memcpy(pos, beacon_ie, beacon_ie_len);
3f5285e8 4644
e6b8efeb
JM		 4645 if (bss[NL80211_BSS_STATUS]) {
4646 enum nl80211_bss_status status;
4647 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
4648 switch (status) {
4649 case NL80211_BSS_STATUS_AUTHENTICATED:
4650 r->flags |= WPA_SCAN_AUTHENTICATED;
4651 break;
4652 case NL80211_BSS_STATUS_ASSOCIATED:
4653 r->flags |= WPA_SCAN_ASSOCIATED;
4654 break;
4655 default:
4656 break;
4657 }
4658 }
4659
46957a9b
JM		 4660 /*
4661 * cfg80211 maintains separate BSS table entries for APs if the same
4662 * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does
4663 * not use frequency as a separate key in the BSS table, so filter out
4664 * duplicated entries. Prefer associated BSS entry in such a case in
4665 * order to get the correct frequency into the BSS table.
4666 */
4667 for (i = 0; i < res->num; i++) {
4668 const u8 *s1, *s2;
4669 if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0)
4670 continue;
4671
4672 s1 = nl80211_get_ie((u8 *) (res->res[i] + 1),
4673 res->res[i]->ie_len, WLAN_EID_SSID);
4674 s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID);
4675 if (s1 == NULL || s2 == NULL || s1[1] != s2[1] ||
4676 os_memcmp(s1, s2, 2 + s1[1]) != 0)
4677 continue;
4678
4679 /* Same BSSID,SSID was already included in scan results */
4680 wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result "
4681 "for " MACSTR, MAC2STR(r->bssid));
4682
4683 if ((r->flags & WPA_SCAN_ASSOCIATED) &&
4684 !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) {
4685 os_free(res->res[i]);
4686 res->res[i] = r;
4687 } else
4688 os_free(r);
4689 return NL_SKIP;
4690 }
4691
067ffa26
JM		 4692 tmp = os_realloc_array(res->res, res->num + 1,
4693 sizeof(struct wpa_scan_res *));
3f5285e8
JM		 4694 if (tmp == NULL) {
4695 os_free(r);
b3db1e1c 4696 return NL_SKIP;
3f5285e8
JM		 4697 }
4698 tmp[res->num++] = r;
4699 res->res = tmp;
b3db1e1c
JM		 4700
4701 return NL_SKIP;
3f5285e8 4702}
b3db1e1c 4703
3f5285e8 4704
d72aad94
JM		 4705static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv,
4706 const u8 *addr)
4707{
4708 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
4709 wpa_printf(MSG_DEBUG, "nl80211: Clear possible state "
582507be 4710 "mismatch (" MACSTR ")", MAC2STR(addr));
d72aad94
JM		 4711 wpa_driver_nl80211_mlme(drv, addr,
4712 NL80211_CMD_DEAUTHENTICATE,
77339912 4713 WLAN_REASON_PREV_AUTH_NOT_VALID, 1);
d72aad94
JM		 4714 }
4715}
4716
4717
e6b8efeb
JM		 4718static void wpa_driver_nl80211_check_bss_status(
4719 struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res)
4720{
4721 size_t i;
4722
4723 for (i = 0; i < res->num; i++) {
4724 struct wpa_scan_res *r = res->res[i];
4725 if (r->flags & WPA_SCAN_AUTHENTICATED) {
4726 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
4727 "indicates BSS status with " MACSTR
4728 " as authenticated",
4729 MAC2STR(r->bssid));
b1f625e0 4730 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4731 os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 &&
4732 os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) !=
4733 0) {
4734 wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID"
4735 " in local state (auth=" MACSTR
4736 " assoc=" MACSTR ")",
4737 MAC2STR(drv->auth_bssid),
4738 MAC2STR(drv->bssid));
582507be 4739 clear_state_mismatch(drv, r->bssid);
e6b8efeb
JM		 4740 }
4741 }
4742
4743 if (r->flags & WPA_SCAN_ASSOCIATED) {
4744 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
4745 "indicate BSS status with " MACSTR
4746 " as associated",
4747 MAC2STR(r->bssid));
b1f625e0 4748 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4749 !drv->associated) {
4750 wpa_printf(MSG_DEBUG, "nl80211: Local state "
4751 "(not associated) does not match "
4752 "with BSS state");
d72aad94 4753 clear_state_mismatch(drv, r->bssid);
b1f625e0 4754 } else if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4755 os_memcmp(drv->bssid, r->bssid, ETH_ALEN) !=
4756 0) {
4757 wpa_printf(MSG_DEBUG, "nl80211: Local state "
4758 "(associated with " MACSTR ") does "
4759 "not match with BSS state",
d72aad94
JM		 4760 MAC2STR(drv->bssid));
4761 clear_state_mismatch(drv, r->bssid);
4762 clear_state_mismatch(drv, drv->bssid);
e6b8efeb
JM		 4763 }
4764 }
4765 }
4766}
4767
4768
7e5ba1b9 4769static struct wpa_scan_results *
8856462d 4770nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv)
3f5285e8 4771{
b3db1e1c 4772 struct nl_msg *msg;
3f5285e8 4773 struct wpa_scan_results *res;
b3db1e1c 4774 int ret;
3812464c 4775 struct nl80211_bss_info_arg arg;
3f5285e8
JM		 4776
4777 res = os_zalloc(sizeof(*res));
b3db1e1c 4778 if (res == NULL)
8e2c104f 4779 return NULL;
b3db1e1c
JM		 4780 msg = nlmsg_alloc();
4781 if (!msg)
4782 goto nla_put_failure;
3f5285e8 4783
9fb04070 4784 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
fdc554b8
AS		 4785 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
4786 goto nla_put_failure;
3f5285e8 4787
3812464c
JM		 4788 arg.drv = drv;
4789 arg.res = res;
4790 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
b3db1e1c
JM		 4791 msg = NULL;
4792 if (ret == 0) {
577db0ae
GM		 4793 wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu "
4794 "BSSes)", (unsigned long) res->num);
4795 nl80211_get_noise_for_scan_results(drv, res);
b3db1e1c 4796 return res;
3f5285e8 4797 }
b3db1e1c
JM		 4798 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
4799 "(%s)", ret, strerror(-ret));
4800nla_put_failure:
4801 nlmsg_free(msg);
4802 wpa_scan_results_free(res);
4803 return NULL;
3f5285e8
JM		 4804}
4805
4806
8856462d
JM		 4807/**
4808 * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results
4809 * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
4810 * Returns: Scan results on success, -1 on failure
4811 */
4812static struct wpa_scan_results *
4813wpa_driver_nl80211_get_scan_results(void *priv)
4814{
a2e40bb6
FF		 4815 struct i802_bss *bss = priv;
4816 struct wpa_driver_nl80211_data *drv = bss->drv;
8856462d
JM		 4817 struct wpa_scan_results *res;
4818
4819 res = nl80211_get_scan_results(drv);
4820 if (res)
4821 wpa_driver_nl80211_check_bss_status(drv, res);
4822 return res;
4823}
4824
4825
4826static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv)
4827{
4828 struct wpa_scan_results *res;
4829 size_t i;
4830
4831 res = nl80211_get_scan_results(drv);
4832 if (res == NULL) {
4833 wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results");
4834 return;
4835 }
4836
4837 wpa_printf(MSG_DEBUG, "nl80211: Scan result dump");
4838 for (i = 0; i < res->num; i++) {
4839 struct wpa_scan_res *r = res->res[i];
4840 wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s",
4841 (int) i, (int) res->num, MAC2STR(r->bssid),
4842 r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "",
4843 r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : "");
4844 }
4845
4846 wpa_scan_results_free(res);
4847}
4848
4849
9ebce9c5 4850static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 4851 enum wpa_alg alg, const u8 *addr,
4852 int key_idx, int set_tx,
642187d6
JM		 4853 const u8 *seq, size_t seq_len,
4854 const u8 *key, size_t key_len)
3f5285e8 4855{
a2e40bb6 4856 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 4857 int ifindex;
3f5285e8 4858 struct nl_msg *msg;
1ad1cdc2 4859 int ret;
3f5285e8 4860
e472e1b4
AS		 4861 /* Ignore for P2P Device */
4862 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
4863 return 0;
4864
4865 ifindex = if_nametoindex(ifname);
8393e1a0 4866 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 4867 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 4868 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 4869 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185
JM		 4870#ifdef CONFIG_TDLS
4871 if (key_idx == -1)
4872 key_idx = 0;
4873#endif /* CONFIG_TDLS */
3f5285e8
JM		 4874
4875 msg = nlmsg_alloc();
1ad1cdc2
JM		 4876 if (!msg)
4877 return -ENOMEM;
3f5285e8
JM		 4878
4879 if (alg == WPA_ALG_NONE) {
9fb04070 4880 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY);
3f5285e8 4881 } else {
9fb04070 4882 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY);
3f5285e8 4883 NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
d723bab4
JM		 4884 switch (alg) {
4885 case WPA_ALG_WEP:
4886 if (key_len == 5)
4887 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4888 WLAN_CIPHER_SUITE_WEP40);
4889 else
4890 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4891 WLAN_CIPHER_SUITE_WEP104);
4892 break;
4893 case WPA_ALG_TKIP:
4894 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4895 WLAN_CIPHER_SUITE_TKIP);
4896 break;
4897 case WPA_ALG_CCMP:
4898 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4899 WLAN_CIPHER_SUITE_CCMP);
4900 break;
eb7719ff
JM		 4901 case WPA_ALG_GCMP:
4902 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4903 WLAN_CIPHER_SUITE_GCMP);
4904 break;
d723bab4
JM		 4905 case WPA_ALG_IGTK:
4906 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4907 WLAN_CIPHER_SUITE_AES_CMAC);
4908 break;
369c8d7b
JM		 4909 case WPA_ALG_SMS4:
4910 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4911 WLAN_CIPHER_SUITE_SMS4);
4912 break;
4913 case WPA_ALG_KRK:
4914 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4915 WLAN_CIPHER_SUITE_KRK);
4916 break;
d723bab4
JM		 4917 default:
4918 wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
4919 "algorithm %d", __func__, alg);
3f5285e8
JM		 4920 nlmsg_free(msg);
4921 return -1;
4922 }
4923 }
4924
849ef835 4925 if (seq && seq_len)
1ad1cdc2
JM		 4926 NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq);
4927
0382097e 4928 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8
JM		 4929 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
4930 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
89c38e32
JM		 4931
4932 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
4933 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
4934 NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE,
4935 NL80211_KEYTYPE_GROUP);
4936 }
60ea8187 4937 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 4938 struct nlattr *types;
4939
60ea8187 4940 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 4941
4942 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 4943 if (!types)
4944 goto nla_put_failure;
8970bae8
JB		 4945 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
4946 nla_nest_end(msg, types);
3f5285e8
JM		 4947 }
4948 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
1ad1cdc2 4949 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
3f5285e8 4950
1ad1cdc2 4951 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
15664ad0 4952 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 4953 ret = 0;
4954 if (ret)
4955 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
4956 ret, strerror(-ret));
3f5285e8 4957
1ad1cdc2
JM		 4958 /*
4959 * If we failed or don't need to set the default TX key (below),
4960 * we're done here.
4961 */
4962 if (ret || !set_tx || alg == WPA_ALG_NONE)
4963 return ret;
b1f625e0 4964 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 4965 !is_broadcast_ether_addr(addr))
de12717a 4966 return ret;
3f5285e8 4967
1ad1cdc2
JM		 4968 msg = nlmsg_alloc();
4969 if (!msg)
4970 return -ENOMEM;
3f5285e8 4971
9fb04070 4972 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY);
1ad1cdc2
JM		 4973 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
4974 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
4975 if (alg == WPA_ALG_IGTK)
4976 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
4977 else
4978 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
60ea8187 4979 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 4980 struct nlattr *types;
4981
4982 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 4983 if (!types)
4984 goto nla_put_failure;
8970bae8
JB		 4985 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
4986 nla_nest_end(msg, types);
60ea8187 4987 } else if (addr) {
8970bae8
JB		 4988 struct nlattr *types;
4989
4990 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 4991 if (!types)
4992 goto nla_put_failure;
8970bae8
JB		 4993 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST);
4994 nla_nest_end(msg, types);
60ea8187 4995 }
3f5285e8 4996
1ad1cdc2
JM		 4997 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4998 if (ret == -ENOENT)
4999 ret = 0;
5000 if (ret)
5001 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
5002 "err=%d %s)", ret, strerror(-ret));
5003 return ret;
3f5285e8
JM		 5004
5005nla_put_failure:
5883168a 5006 nlmsg_free(msg);
6241fcb1 5007 return -ENOBUFS;
3f5285e8
JM		 5008}
5009
5010
71934751 5011static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 5012 int key_idx, int defkey,
5013 const u8 *seq, size_t seq_len,
5014 const u8 *key, size_t key_len)
5015{
5016 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
5017 if (!key_attr)
5018 return -1;
5019
5020 if (defkey && alg == WPA_ALG_IGTK)
5021 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT);
5022 else if (defkey)
5023 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
5024
5025 NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx);
5026
d723bab4
JM		 5027 switch (alg) {
5028 case WPA_ALG_WEP:
5029 if (key_len == 5)
2aa5f847
JM		 5030 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5031 WLAN_CIPHER_SUITE_WEP40);
d723bab4 5032 else
2aa5f847
JM		 5033 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5034 WLAN_CIPHER_SUITE_WEP104);
d723bab4
JM		 5035 break;
5036 case WPA_ALG_TKIP:
2aa5f847 5037 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_TKIP);
d723bab4
JM		 5038 break;
5039 case WPA_ALG_CCMP:
2aa5f847 5040 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_CCMP);
d723bab4 5041 break;
eb7719ff
JM		 5042 case WPA_ALG_GCMP:
5043 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_GCMP);
5044 break;
d723bab4 5045 case WPA_ALG_IGTK:
2aa5f847
JM		 5046 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5047 WLAN_CIPHER_SUITE_AES_CMAC);
d723bab4
JM		 5048 break;
5049 default:
5050 wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
5051 "algorithm %d", __func__, alg);
0194fedb 5052 return -1;
d723bab4 5053 }
0194fedb
JB		 5054
5055 if (seq && seq_len)
5056 NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq);
5057
5058 NLA_PUT(msg, NL80211_KEY_DATA, key_len, key);
5059
5060 nla_nest_end(msg, key_attr);
5061
5062 return 0;
5063 nla_put_failure:
5064 return -1;
5065}
5066
c811d5bc 5067
cfaab580
ZY		 5068static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
5069 struct nl_msg *msg)
5070{
5071 int i, privacy = 0;
5072 struct nlattr *nl_keys, *nl_key;
5073
5074 for (i = 0; i < 4; i++) {
5075 if (!params->wep_key[i])
5076 continue;
5077 privacy = 1;
5078 break;
5079 }
ce04af5a
JM		 5080 if (params->wps == WPS_MODE_PRIVACY)
5081 privacy = 1;
5082 if (params->pairwise_suite &&
5083 params->pairwise_suite != WPA_CIPHER_NONE)
5084 privacy = 1;
5085
cfaab580
ZY		 5086 if (!privacy)
5087 return 0;
5088
5089 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
5090
5091 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
5092 if (!nl_keys)
5093 goto nla_put_failure;
5094
5095 for (i = 0; i < 4; i++) {
5096 if (!params->wep_key[i])
5097 continue;
5098
5099 nl_key = nla_nest_start(msg, i);
5100 if (!nl_key)
5101 goto nla_put_failure;
5102
5103 NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i],
5104 params->wep_key[i]);
5105 if (params->wep_key_len[i] == 5)
5106 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5107 WLAN_CIPHER_SUITE_WEP40);
5108 else
5109 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5110 WLAN_CIPHER_SUITE_WEP104);
5111
5112 NLA_PUT_U8(msg, NL80211_KEY_IDX, i);
5113
5114 if (i == params->wep_tx_keyidx)
5115 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
5116
5117 nla_nest_end(msg, nl_key);
5118 }
5119 nla_nest_end(msg, nl_keys);
5120
5121 return 0;
5122
5123nla_put_failure:
5124 return -ENOBUFS;
5125}
5126
5127
c2a04078 5128static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 5129 const u8 *addr, int cmd, u16 reason_code,
5130 int local_state_change)
c2a04078
JM		 5131{
5132 int ret = -1;
5133 struct nl_msg *msg;
5134
5135 msg = nlmsg_alloc();
5136 if (!msg)
5137 return -1;
5138
9fb04070 5139 nl80211_cmd(drv, msg, 0, cmd);
c2a04078
JM		 5140
5141 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5142 NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code);
817762d9
MI		 5143 if (addr)
5144 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
77339912
JM		 5145 if (local_state_change)
5146 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
c2a04078
JM		 5147
5148 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5149 msg = NULL;
5150 if (ret) {
3b7ea880
BG		 5151 wpa_dbg(drv->ctx, MSG_DEBUG,
5152 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
5153 reason_code, ret, strerror(-ret));
c2a04078
JM		 5154 goto nla_put_failure;
5155 }
5156 ret = 0;
5157
5158nla_put_failure:
5159 nlmsg_free(msg);
5160 return ret;
5161}
3f5285e8
JM		 5162
5163
cfaab580 5164static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 5165 int reason_code)
cfaab580 5166{
3f53c006
JJ		 5167 int ret;
5168
817762d9 5169 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 5170 nl80211_mark_disconnected(drv);
817762d9 5171 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 5172 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
5173 reason_code, 0);
5174 /*
5175 * For locally generated disconnect, supplicant already generates a
5176 * DEAUTH event, so ignore the event from NL80211.
5177 */
5178 drv->ignore_next_local_disconnect = ret == 0;
5179
5180 return ret;
cfaab580
ZY		 5181}
5182
5183
9ebce9c5
JM		 5184static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
5185 const u8 *addr, int reason_code)
3f5285e8 5186{
a2e40bb6 5187 struct wpa_driver_nl80211_data *drv = bss->drv;
cfaab580 5188 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 5189 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 5190 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
5191 __func__, MAC2STR(addr), reason_code);
add9b7a4 5192 nl80211_mark_disconnected(drv);
21bdbe38
JM		 5193 if (drv->nlmode == NL80211_IFTYPE_ADHOC)
5194 return nl80211_leave_ibss(drv);
c2a04078 5195 return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
77339912 5196 reason_code, 0);
3f5285e8
JM		 5197}
5198
5199
536fd62d
JM		 5200static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
5201 struct wpa_driver_auth_params *params)
5202{
5203 int i;
5204
5205 drv->auth_freq = params->freq;
5206 drv->auth_alg = params->auth_alg;
5207 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
5208 drv->auth_local_state_change = params->local_state_change;
5209 drv->auth_p2p = params->p2p;
5210
5211 if (params->bssid)
5212 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
5213 else
5214 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
5215
5216 if (params->ssid) {
5217 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
5218 drv->auth_ssid_len = params->ssid_len;
5219 } else
5220 drv->auth_ssid_len = 0;
5221
5222
5223 os_free(drv->auth_ie);
5224 drv->auth_ie = NULL;
5225 drv->auth_ie_len = 0;
5226 if (params->ie) {
5227 drv->auth_ie = os_malloc(params->ie_len);
5228 if (drv->auth_ie) {
5229 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
5230 drv->auth_ie_len = params->ie_len;
5231 }
5232 }
5233
5234 for (i = 0; i < 4; i++) {
5235 if (params->wep_key[i] && params->wep_key_len[i] &&
5236 params->wep_key_len[i] <= 16) {
5237 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
5238 params->wep_key_len[i]);
5239 drv->auth_wep_key_len[i] = params->wep_key_len[i];
5240 } else
5241 drv->auth_wep_key_len[i] = 0;
5242 }
5243}
5244
5245
c2a04078 5246static int wpa_driver_nl80211_authenticate(
9ebce9c5 5247 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 5248{
a2e40bb6 5249 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 5250 int ret = -1, i;
c2a04078
JM		 5251 struct nl_msg *msg;
5252 enum nl80211_auth_type type;
2f4f73b1 5253 enum nl80211_iftype nlmode;
6d6f4bb8 5254 int count = 0;
536fd62d
JM		 5255 int is_retry;
5256
5257 is_retry = drv->retry_auth;
5258 drv->retry_auth = 0;
c2a04078 5259
add9b7a4 5260 nl80211_mark_disconnected(drv);
e6b8efeb 5261 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 5262 if (params->bssid)
5263 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5264 else
5265 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 5266 /* FIX: IBSS mode */
2f4f73b1
EP		 5267 nlmode = params->p2p ?
5268 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5269 if (drv->nlmode != nlmode &&
9ebce9c5 5270 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 5271 return -1;
5272
6d6f4bb8 5273retry:
c2a04078
JM		 5274 msg = nlmsg_alloc();
5275 if (!msg)
5276 return -1;
5277
5278 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
5279 drv->ifindex);
a0b2f99b 5280
9fb04070 5281 nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE);
0194fedb 5282
a0b2f99b
JM		 5283 for (i = 0; i < 4; i++) {
5284 if (!params->wep_key[i])
5285 continue;
9ebce9c5 5286 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 5287 NULL, i,
a0b2f99b
JM		 5288 i == params->wep_tx_keyidx, NULL, 0,
5289 params->wep_key[i],
5290 params->wep_key_len[i]);
0194fedb
JB		 5291 if (params->wep_tx_keyidx != i)
5292 continue;
5293 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
5294 params->wep_key[i], params->wep_key_len[i])) {
5295 nlmsg_free(msg);
5296 return -1;
5297 }
a0b2f99b
JM		 5298 }
5299
c2a04078
JM		 5300 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5301 if (params->bssid) {
5302 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5303 MAC2STR(params->bssid));
5304 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
5305 }
5306 if (params->freq) {
5307 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
5308 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
5309 }
5310 if (params->ssid) {
5311 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
5312 params->ssid, params->ssid_len);
5313 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
5314 params->ssid);
5315 }
5316 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
5317 if (params->ie)
5318 NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie);
569fed90
JM		 5319 if (params->sae_data) {
5320 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
5321 params->sae_data_len);
5322 NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
5323 params->sae_data);
5324 }
abd9fafa 5325 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 5326 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 5327 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 5328 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 5329 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 5330 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 5331 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 5332 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 5333 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
5334 type = NL80211_AUTHTYPE_SAE;
c2a04078
JM		 5335 else
5336 goto nla_put_failure;
5337 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
5338 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
77339912
JM		 5339 if (params->local_state_change) {
5340 wpa_printf(MSG_DEBUG, " * Local state change only");
5341 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
5342 }
c2a04078
JM		 5343
5344 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5345 msg = NULL;
5346 if (ret) {
3b7ea880
BG		 5347 wpa_dbg(drv->ctx, MSG_DEBUG,
5348 "nl80211: MLME command failed (auth): ret=%d (%s)",
5349 ret, strerror(-ret));
6d6f4bb8 5350 count++;
77339912
JM		 5351 if (ret == -EALREADY && count == 1 && params->bssid &&
5352 !params->local_state_change) {
6d6f4bb8
JM		 5353 /*
5354 * mac80211 does not currently accept new
5355 * authentication if we are already authenticated. As a
5356 * workaround, force deauthentication and try again.
5357 */
5358 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
5359 "after forced deauthentication");
5360 wpa_driver_nl80211_deauthenticate(
5205c4f9 5361 bss, params->bssid,
6d6f4bb8
JM		 5362 WLAN_REASON_PREV_AUTH_NOT_VALID);
5363 nlmsg_free(msg);
5364 goto retry;
5365 }
536fd62d
JM		 5366
5367 if (ret == -ENOENT && params->freq && !is_retry) {
5368 /*
5369 * cfg80211 has likely expired the BSS entry even
5370 * though it was previously available in our internal
5371 * BSS table. To recover quickly, start a single
5372 * channel scan on the specified channel.
5373 */
5374 struct wpa_driver_scan_params scan;
5375 int freqs[2];
5376
5377 os_memset(&scan, 0, sizeof(scan));
5378 scan.num_ssids = 1;
5379 if (params->ssid) {
5380 scan.ssids[0].ssid = params->ssid;
5381 scan.ssids[0].ssid_len = params->ssid_len;
5382 }
5383 freqs[0] = params->freq;
5384 freqs[1] = 0;
5385 scan.freqs = freqs;
5386 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
5387 "channel scan to refresh cfg80211 BSS "
5388 "entry");
5389 ret = wpa_driver_nl80211_scan(bss, &scan);
5390 if (ret == 0) {
5391 nl80211_copy_auth_params(drv, params);
5392 drv->scan_for_auth = 1;
5393 }
8c3ba078
JM		 5394 } else if (is_retry) {
5395 /*
5396 * Need to indicate this with an event since the return
5397 * value from the retry is not delivered to core code.
5398 */
5399 union wpa_event_data event;
5400 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
5401 "failed");
5402 os_memset(&event, 0, sizeof(event));
5403 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
5404 ETH_ALEN);
5405 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
5406 &event);
536fd62d
JM		 5407 }
5408
c2a04078
JM		 5409 goto nla_put_failure;
5410 }
5411 ret = 0;
5412 wpa_printf(MSG_DEBUG, "nl80211: Authentication request send "
5413 "successfully");
5414
5415nla_put_failure:
5416 nlmsg_free(msg);
5417 return ret;
5418}
5419
5420
536fd62d
JM		 5421static int wpa_driver_nl80211_authenticate_retry(
5422 struct wpa_driver_nl80211_data *drv)
5423{
5424 struct wpa_driver_auth_params params;
5425 struct i802_bss *bss = &drv->first_bss;
5426 int i;
5427
5428 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
5429
5430 os_memset(&params, 0, sizeof(params));
5431 params.freq = drv->auth_freq;
5432 params.auth_alg = drv->auth_alg;
5433 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
5434 params.local_state_change = drv->auth_local_state_change;
5435 params.p2p = drv->auth_p2p;
5436
5437 if (!is_zero_ether_addr(drv->auth_bssid_))
5438 params.bssid = drv->auth_bssid_;
5439
5440 if (drv->auth_ssid_len) {
5441 params.ssid = drv->auth_ssid;
5442 params.ssid_len = drv->auth_ssid_len;
5443 }
5444
5445 params.ie = drv->auth_ie;
5446 params.ie_len = drv->auth_ie_len;
5447
5448 for (i = 0; i < 4; i++) {
5449 if (drv->auth_wep_key_len[i]) {
5450 params.wep_key[i] = drv->auth_wep_key[i];
5451 params.wep_key_len[i] = drv->auth_wep_key_len[i];
5452 }
5453 }
5454
5455 drv->retry_auth = 1;
5456 return wpa_driver_nl80211_authenticate(bss, &params);
5457}
5458
5459
282d5590
JM		 5460struct phy_info_arg {
5461 u16 *num_modes;
5462 struct hostapd_hw_modes *modes;
43245552 5463 int last_mode, last_chan_idx;
282d5590
JM		 5464};
5465
e62a1d43
JM		 5466static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
5467 struct nlattr *ampdu_factor,
5468 struct nlattr *ampdu_density,
5469 struct nlattr *mcs_set)
5470{
5471 if (capa)
5472 mode->ht_capab = nla_get_u16(capa);
5473
5474 if (ampdu_factor)
5475 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
5476
5477 if (ampdu_density)
5478 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
5479
5480 if (mcs_set && nla_len(mcs_set) >= 16) {
5481 u8 *mcs;
5482 mcs = nla_data(mcs_set);
5483 os_memcpy(mode->mcs_set, mcs, 16);
5484 }
5485}
5486
5487
5488static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
5489 struct nlattr *capa,
5490 struct nlattr *mcs_set)
5491{
5492 if (capa)
5493 mode->vht_capab = nla_get_u32(capa);
5494
5495 if (mcs_set && nla_len(mcs_set) >= 8) {
5496 u8 *mcs;
5497 mcs = nla_data(mcs_set);
5498 os_memcpy(mode->vht_mcs_set, mcs, 8);
5499 }
5500}
5501
5502
214a77b0
JM		 5503static void phy_info_freq(struct hostapd_hw_modes *mode,
5504 struct hostapd_channel_data *chan,
5505 struct nlattr *tb_freq[])
5506{
e864c0ae 5507 u8 channel;
214a77b0
JM		 5508 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
5509 chan->flag = 0;
e864c0ae
JM		 5510 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
5511 chan->chan = channel;
214a77b0
JM		 5512
5513 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
5514 chan->flag |= HOSTAPD_CHAN_DISABLED;
5515 if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
5516 chan->flag |= HOSTAPD_CHAN_PASSIVE_SCAN;
5517 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
5518 chan->flag |= HOSTAPD_CHAN_NO_IBSS;
5519 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
5520 chan->flag |= HOSTAPD_CHAN_RADAR;
5521
5522 if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
5523 !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
5524 chan->max_tx_power = nla_get_u32(
5525 tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) / 100;
fc96522e
SW		 5526 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
5527 enum nl80211_dfs_state state =
5528 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
5529
5530 switch (state) {
5531 case NL80211_DFS_USABLE:
5532 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
5533 break;
5534 case NL80211_DFS_AVAILABLE:
5535 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
5536 break;
5537 case NL80211_DFS_UNAVAILABLE:
5538 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
5539 break;
5540 }
5541 }
214a77b0
JM		 5542}
5543
5544
e62a1d43
JM		 5545static int phy_info_freqs(struct phy_info_arg *phy_info,
5546 struct hostapd_hw_modes *mode, struct nlattr *tb)
282d5590 5547{
282d5590
JM		 5548 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
5549 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
5550 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
5551 [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
5552 [NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
5553 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
5554 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
fc96522e 5555 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
282d5590 5556 };
e62a1d43
JM		 5557 int new_channels = 0;
5558 struct hostapd_channel_data *channel;
5559 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
5560 struct nlattr *nl_freq;
5561 int rem_freq, idx;
5562
5563 if (tb == NULL)
5564 return NL_OK;
5565
5566 nla_for_each_nested(nl_freq, tb, rem_freq) {
5567 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
5568 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
5569 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
5570 continue;
5571 new_channels++;
5572 }
5573
5574 channel = os_realloc_array(mode->channels,
5575 mode->num_channels + new_channels,
5576 sizeof(struct hostapd_channel_data));
5577 if (!channel)
5578 return NL_SKIP;
5579
5580 mode->channels = channel;
5581 mode->num_channels += new_channels;
5582
5583 idx = phy_info->last_chan_idx;
5584
5585 nla_for_each_nested(nl_freq, tb, rem_freq) {
5586 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
5587 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
5588 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
5589 continue;
214a77b0 5590 phy_info_freq(mode, &mode->channels[idx], tb_freq);
e62a1d43
JM		 5591 idx++;
5592 }
5593 phy_info->last_chan_idx = idx;
5594
5595 return NL_OK;
5596}
5597
5598
5599static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
5600{
282d5590
JM		 5601 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
5602 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
3cfcad1b
JM		 5603 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
5604 { .type = NLA_FLAG },
282d5590 5605 };
e62a1d43 5606 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
282d5590 5607 struct nlattr *nl_rate;
e62a1d43
JM		 5608 int rem_rate, idx;
5609
5610 if (tb == NULL)
5611 return NL_OK;
5612
5613 nla_for_each_nested(nl_rate, tb, rem_rate) {
5614 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
5615 nla_data(nl_rate), nla_len(nl_rate),
5616 rate_policy);
5617 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
5618 continue;
5619 mode->num_rates++;
5620 }
5621
5622 mode->rates = os_calloc(mode->num_rates, sizeof(int));
5623 if (!mode->rates)
5624 return NL_SKIP;
5625
5626 idx = 0;
5627
5628 nla_for_each_nested(nl_rate, tb, rem_rate) {
5629 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
5630 nla_data(nl_rate), nla_len(nl_rate),
5631 rate_policy);
5632 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
5633 continue;
5634 mode->rates[idx] = nla_get_u32(
5635 tb_rate[NL80211_BITRATE_ATTR_RATE]);
e62a1d43
JM		 5636 idx++;
5637 }
5638
5639 return NL_OK;
5640}
5641
5642
5643static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
5644{
5645 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
282d5590 5646 struct hostapd_hw_modes *mode;
e62a1d43 5647 int ret;
282d5590 5648
3cfcad1b
JM		 5649 if (phy_info->last_mode != nl_band->nla_type) {
5650 mode = os_realloc_array(phy_info->modes,
5651 *phy_info->num_modes + 1,
5652 sizeof(*mode));
5653 if (!mode)
5654 return NL_SKIP;
5655 phy_info->modes = mode;
5656
5657 mode = &phy_info->modes[*(phy_info->num_modes)];
5658 os_memset(mode, 0, sizeof(*mode));
5659 mode->mode = NUM_HOSTAPD_MODES;
c8ebeda4
MK		 5660 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
5661 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
5662
5663 /*
5664 * Unsupported VHT MCS stream is defined as value 3, so the VHT
5665 * MCS RX/TX map must be initialized with 0xffff to mark all 8
5666 * possible streams as unsupported. This will be overridden if
5667 * driver advertises VHT support.
5668 */
5669 mode->vht_mcs_set[0] = 0xff;
5670 mode->vht_mcs_set[1] = 0xff;
5671 mode->vht_mcs_set[4] = 0xff;
5672 mode->vht_mcs_set[5] = 0xff;
5673
3cfcad1b
JM		 5674 *(phy_info->num_modes) += 1;
5675 phy_info->last_mode = nl_band->nla_type;
5676 phy_info->last_chan_idx = 0;
5677 } else
5678 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
282d5590 5679
3cfcad1b
JM		 5680 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
5681 nla_len(nl_band), NULL);
282d5590 5682
e62a1d43
JM		 5683 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
5684 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
5685 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
5686 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
5687 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
5688 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
5689 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
5690 if (ret != NL_OK)
5691 return ret;
5692 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
5693 if (ret != NL_OK)
5694 return ret;
282d5590 5695
3cfcad1b
JM		 5696 return NL_OK;
5697}
5698
5699
5700static int phy_info_handler(struct nl_msg *msg, void *arg)
5701{
5702 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
5703 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5704 struct phy_info_arg *phy_info = arg;
5705 struct nlattr *nl_band;
5706 int rem_band;
5707
5708 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5709 genlmsg_attrlen(gnlh, 0), NULL);
5710
5711 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
5712 return NL_SKIP;
5713
5714 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
5715 {
5716 int res = phy_info_band(phy_info, nl_band);
5717 if (res != NL_OK)
5718 return res;
5719 }
5720
282d5590
JM		 5721 return NL_SKIP;
5722}
5723
3cfcad1b 5724
282d5590 5725static struct hostapd_hw_modes *
c30a4ab0
JB		 5726wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
5727 u16 *num_modes)
282d5590
JM		 5728{
5729 u16 m;
5730 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
5731 int i, mode11g_idx = -1;
5732
c30a4ab0
JB		 5733 /* heuristic to set up modes */
5734 for (m = 0; m < *num_modes; m++) {
5735 if (!modes[m].num_channels)
5736 continue;
5737 if (modes[m].channels[0].freq < 4000) {
5738 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
5739 for (i = 0; i < modes[m].num_rates; i++) {
5740 if (modes[m].rates[i] > 200) {
5741 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
5742 break;
5743 }
5744 }
5745 } else if (modes[m].channels[0].freq > 50000)
5746 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
5747 else
5748 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
5749 }
5750
282d5590
JM		 5751 /* If only 802.11g mode is included, use it to construct matching
5752 * 802.11b mode data. */
5753
5754 for (m = 0; m < *num_modes; m++) {
5755 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
5756 return modes; /* 802.11b already included */
5757 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
5758 mode11g_idx = m;
5759 }
5760
5761 if (mode11g_idx < 0)
5762 return modes; /* 2.4 GHz band not supported at all */
5763
067ffa26 5764 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
282d5590
JM		 5765 if (nmodes == NULL)
5766 return modes; /* Could not add 802.11b mode */
5767
5768 mode = &nmodes[*num_modes];
5769 os_memset(mode, 0, sizeof(*mode));
5770 (*num_modes)++;
5771 modes = nmodes;
5772
5773 mode->mode = HOSTAPD_MODE_IEEE80211B;
5774
5775 mode11g = &modes[mode11g_idx];
5776 mode->num_channels = mode11g->num_channels;
5777 mode->channels = os_malloc(mode11g->num_channels *
5778 sizeof(struct hostapd_channel_data));
5779 if (mode->channels == NULL) {
5780 (*num_modes)--;
5781 return modes; /* Could not add 802.11b mode */
5782 }
5783 os_memcpy(mode->channels, mode11g->channels,
5784 mode11g->num_channels * sizeof(struct hostapd_channel_data));
5785
5786 mode->num_rates = 0;
fb7842aa 5787 mode->rates = os_malloc(4 * sizeof(int));
282d5590
JM		 5788 if (mode->rates == NULL) {
5789 os_free(mode->channels);
5790 (*num_modes)--;
5791 return modes; /* Could not add 802.11b mode */
5792 }
5793
5794 for (i = 0; i < mode11g->num_rates; i++) {
fb7842aa
JM		 5795 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
5796 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
282d5590
JM		 5797 continue;
5798 mode->rates[mode->num_rates] = mode11g->rates[i];
5799 mode->num_rates++;
5800 if (mode->num_rates == 4)
5801 break;
5802 }
5803
5804 if (mode->num_rates == 0) {
5805 os_free(mode->channels);
5806 os_free(mode->rates);
5807 (*num_modes)--;
5808 return modes; /* No 802.11b rates */
5809 }
5810
5811 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
5812 "information");
5813
5814 return modes;
5815}
5816
5817
d8e66e80
JM		 5818static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
5819 int end)
5820{
5821 int c;
5822
5823 for (c = 0; c < mode->num_channels; c++) {
5824 struct hostapd_channel_data *chan = &mode->channels[c];
5825 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
5826 chan->flag |= HOSTAPD_CHAN_HT40;
5827 }
5828}
5829
5830
5831static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
5832 int end)
5833{
5834 int c;
5835
5836 for (c = 0; c < mode->num_channels; c++) {
5837 struct hostapd_channel_data *chan = &mode->channels[c];
5838 if (!(chan->flag & HOSTAPD_CHAN_HT40))
5839 continue;
5840 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
5841 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
5842 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
5843 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
5844 }
5845}
5846
5847
5848static void nl80211_reg_rule_ht40(struct nlattr *tb[],
5849 struct phy_info_arg *results)
5850{
5851 u32 start, end, max_bw;
5852 u16 m;
5853
5854 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
5855 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
5856 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
5857 return;
5858
5859 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
5860 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
5861 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
5862
5863 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz",
5864 start, end, max_bw);
5865 if (max_bw < 40)
5866 return;
5867
5868 for (m = 0; m < *results->num_modes; m++) {
5869 if (!(results->modes[m].ht_capab &
5870 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
5871 continue;
5872 nl80211_set_ht40_mode(&results->modes[m], start, end);
5873 }
5874}
5875
5876
5877static void nl80211_reg_rule_sec(struct nlattr *tb[],
5878 struct phy_info_arg *results)
5879{
5880 u32 start, end, max_bw;
5881 u16 m;
5882
5883 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
5884 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
5885 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
5886 return;
5887
5888 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
5889 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
5890 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
5891
5892 if (max_bw < 20)
5893 return;
5894
5895 for (m = 0; m < *results->num_modes; m++) {
5896 if (!(results->modes[m].ht_capab &
5897 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
5898 continue;
5899 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
5900 }
5901}
5902
5903
5904static int nl80211_get_reg(struct nl_msg *msg, void *arg)
5905{
5906 struct phy_info_arg *results = arg;
5907 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
5908 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5909 struct nlattr *nl_rule;
5910 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
5911 int rem_rule;
5912 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
5913 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
5914 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
5915 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
5916 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
5917 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
5918 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
5919 };
5920
5921 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5922 genlmsg_attrlen(gnlh, 0), NULL);
5923 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
5924 !tb_msg[NL80211_ATTR_REG_RULES]) {
5925 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
5926 "available");
5927 return NL_SKIP;
5928 }
5929
5930 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
5931 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
5932
5933 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
5934 {
5935 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
5936 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
5937 nl80211_reg_rule_ht40(tb_rule, results);
5938 }
5939
5940 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
5941 {
5942 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
5943 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
5944 nl80211_reg_rule_sec(tb_rule, results);
5945 }
5946
5947 return NL_SKIP;
5948}
5949
5950
5951static int nl80211_set_ht40_flags(struct wpa_driver_nl80211_data *drv,
5952 struct phy_info_arg *results)
5953{
5954 struct nl_msg *msg;
5955
5956 msg = nlmsg_alloc();
5957 if (!msg)
5958 return -ENOMEM;
5959
9fb04070 5960 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
d8e66e80
JM		 5961 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
5962}
5963
5964
282d5590
JM		 5965static struct hostapd_hw_modes *
5966wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
5967{
43245552 5968 u32 feat;
a2e40bb6
FF		 5969 struct i802_bss *bss = priv;
5970 struct wpa_driver_nl80211_data *drv = bss->drv;
282d5590
JM		 5971 struct nl_msg *msg;
5972 struct phy_info_arg result = {
5973 .num_modes = num_modes,
5974 .modes = NULL,
43245552 5975 .last_mode = -1,
282d5590
JM		 5976 };
5977
5978 *num_modes = 0;
5979 *flags = 0;
5980
5981 msg = nlmsg_alloc();
5982 if (!msg)
5983 return NULL;
5984
43245552
DJ		 5985 feat = get_nl80211_protocol_features(drv);
5986 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
5987 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
5988 else
5989 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
282d5590 5990
43245552 5991 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
282d5590
JM		 5992 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5993
d8e66e80
JM		 5994 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
5995 nl80211_set_ht40_flags(drv, &result);
c30a4ab0
JB		 5996 return wpa_driver_nl80211_postprocess_modes(result.modes,
5997 num_modes);
d8e66e80 5998 }
5883168a 5999 msg = NULL;
282d5590 6000 nla_put_failure:
5883168a 6001 nlmsg_free(msg);
282d5590
JM		 6002 return NULL;
6003}
6004
6005
a11241fa
JB		 6006static int wpa_driver_nl80211_send_mntr(struct wpa_driver_nl80211_data *drv,
6007 const void *data, size_t len,
6008 int encrypt, int noack)
2c2010ac
JM		 6009{
6010 __u8 rtap_hdr[] = {
6011 0x00, 0x00, /* radiotap version */
6012 0x0e, 0x00, /* radiotap length */
6013 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */
6014 IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */
6015 0x00, /* padding */
6016 0x00, 0x00, /* RX and TX flags to indicate that */
6017 0x00, 0x00, /* this is the injected frame directly */
6018 };
6019 struct iovec iov[2] = {
6020 {
6021 .iov_base = &rtap_hdr,
6022 .iov_len = sizeof(rtap_hdr),
6023 },
6024 {
6025 .iov_base = (void *) data,
6026 .iov_len = len,
6027 }
6028 };
6029 struct msghdr msg = {
6030 .msg_name = NULL,
6031 .msg_namelen = 0,
6032 .msg_iov = iov,
6033 .msg_iovlen = 2,
6034 .msg_control = NULL,
6035 .msg_controllen = 0,
6036 .msg_flags = 0,
6037 };
ebbec8b2 6038 int res;
fab25336 6039 u16 txflags = 0;
2c2010ac
JM		 6040
6041 if (encrypt)
6042 rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP;
6043
866af8b6
JM		 6044 if (drv->monitor_sock < 0) {
6045 wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available "
6046 "for %s", __func__);
6047 return -1;
6048 }
6049
fab25336
HS		 6050 if (noack)
6051 txflags |= IEEE80211_RADIOTAP_F_TX_NOACK;
9d7a63dc 6052 WPA_PUT_LE16(&rtap_hdr[12], txflags);
fab25336 6053
ebbec8b2
JM		 6054 res = sendmsg(drv->monitor_sock, &msg, 0);
6055 if (res < 0) {
6056 wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno));
6057 return -1;
6058 }
6059 return 0;
2c2010ac
JM		 6060}
6061
6062
a11241fa
JB		 6063static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
6064 const void *data, size_t len,
55231068
JM		 6065 int encrypt, int noack,
6066 unsigned int freq, int no_cck,
6067 int offchanok, unsigned int wait_time)
a11241fa
JB		 6068{
6069 struct wpa_driver_nl80211_data *drv = bss->drv;
6070 u64 cookie;
6071
55231068
JM		 6072 if (freq == 0)
6073 freq = bss->freq;
6074
a11241fa
JB		 6075 if (drv->use_monitor)
6076 return wpa_driver_nl80211_send_mntr(drv, data, len,
6077 encrypt, noack);
6078
55231068
JM		 6079 return nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
6080 &cookie, no_cck, noack, offchanok);
a11241fa
JB		 6081}
6082
6083
9ebce9c5
JM		 6084static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
6085 size_t data_len, int noack,
6086 unsigned int freq, int no_cck,
6087 int offchanok,
6088 unsigned int wait_time)
2c2010ac 6089{
a2e40bb6 6090 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 6091 struct ieee80211_mgmt *mgmt;
7a47d567 6092 int encrypt = 1;
2c2010ac
JM		 6093 u16 fc;
6094
6095 mgmt = (struct ieee80211_mgmt *) data;
6096 fc = le_to_host16(mgmt->frame_control);
6097
8e12685c
AS		 6098 if ((is_sta_interface(drv->nlmode) ||
6099 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 6100 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6101 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
6102 /*
6103 * The use of last_mgmt_freq is a bit of a hack,
6104 * but it works due to the single-threaded nature
6105 * of wpa_supplicant.
6106 */
55231068
JM		 6107 if (freq == 0)
6108 freq = drv->last_mgmt_freq;
6109 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7
JB		 6110 data, data_len, NULL, 1, noack,
6111 1);
5582a5d1
JB		 6112 }
6113
61cbe2ff 6114 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
55231068
JM		 6115 if (freq == 0)
6116 freq = bss->freq;
b5671498
JM		 6117 return nl80211_send_frame_cmd(bss, freq,
6118 (int) freq == bss->freq ? 0 :
6119 wait_time,
d8d6b32e
DG		 6120 data, data_len,
6121 &drv->send_action_cookie,
55231068 6122 no_cck, noack, offchanok);
86957e62
JM		 6123 }
6124
2c2010ac
JM		 6125 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6126 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
6127 /*
6128 * Only one of the authentication frame types is encrypted.
6129 * In order for static WEP encryption to work properly (i.e.,
6130 * to not encrypt the frame), we need to tell mac80211 about
6131 * the frames that must not be encrypted.
6132 */
6133 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
6134 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 6135 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
6136 encrypt = 0;
2c2010ac
JM		 6137 }
6138
a11241fa 6139 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068
JM		 6140 noack, freq, no_cck, offchanok,
6141 wait_time);
6142}
6143
6144
31357268 6145static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47
JM		 6146 int slot, int ht_opmode, int ap_isolate,
6147 int *basic_rates)
31357268
JM		 6148{
6149 struct wpa_driver_nl80211_data *drv = bss->drv;
6150 struct nl_msg *msg;
6151
6152 msg = nlmsg_alloc();
6153 if (!msg)
6154 return -ENOMEM;
6155
9fb04070 6156 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS);
31357268
JM		 6157
6158 if (cts >= 0)
6159 NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
6160 if (preamble >= 0)
6161 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
6162 if (slot >= 0)
6163 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
6164 if (ht_opmode >= 0)
6165 NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode);
d03e8d11
JM		 6166 if (ap_isolate >= 0)
6167 NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate);
e5693c47
JM		 6168
6169 if (basic_rates) {
6170 u8 rates[NL80211_MAX_SUPP_RATES];
6171 u8 rates_len = 0;
6172 int i;
6173
6174 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
6175 i++)
6176 rates[rates_len++] = basic_rates[i] / 5;
6177
6178 NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
6179 }
6180
31357268
JM		 6181 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
6182
6183 return send_and_recv_msgs(drv, msg, NULL, NULL);
6184 nla_put_failure:
5883168a 6185 nlmsg_free(msg);
31357268
JM		 6186 return -ENOBUFS;
6187}
6188
6189
3c4ca363
VN		 6190static int wpa_driver_nl80211_set_acl(void *priv,
6191 struct hostapd_acl_params *params)
6192{
6193 struct i802_bss *bss = priv;
6194 struct wpa_driver_nl80211_data *drv = bss->drv;
6195 struct nl_msg *msg;
6196 struct nlattr *acl;
6197 unsigned int i;
6198 int ret = 0;
6199
6200 if (!(drv->capa.max_acl_mac_addrs))
6201 return -ENOTSUP;
6202
6203 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
6204 return -ENOTSUP;
6205
6206 msg = nlmsg_alloc();
6207 if (!msg)
6208 return -ENOMEM;
6209
6210 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
6211 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
6212
6213 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_MAC_ACL);
6214
6215 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6216
6217 NLA_PUT_U32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
6218 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
6219 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED);
6220
6221 acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
6222 if (acl == NULL)
6223 goto nla_put_failure;
6224
6225 for (i = 0; i < params->num_mac_acl; i++)
6226 NLA_PUT(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr);
6227
6228 nla_nest_end(msg, acl);
6229
6230 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6231 msg = NULL;
6232 if (ret) {
6233 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
6234 ret, strerror(-ret));
6235 }
6236
6237nla_put_failure:
6238 nlmsg_free(msg);
6239
6240 return ret;
6241}
6242
6243
19c3b566
JM		 6244static int wpa_driver_nl80211_set_ap(void *priv,
6245 struct wpa_driver_ap_params *params)
d2440ba0 6246{
a2e40bb6
FF		 6247 struct i802_bss *bss = priv;
6248 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 6249 struct nl_msg *msg;
6250 u8 cmd = NL80211_CMD_NEW_BEACON;
6251 int ret;
b4fd6fab 6252 int beacon_set;
8b897f5a 6253 int ifindex = if_nametoindex(bss->ifname);
b11d1d64
JM		 6254 int num_suites;
6255 u32 suites[10];
6256 u32 ver;
b4fd6fab 6257
b4fd6fab 6258 beacon_set = bss->beacon_set;
d2440ba0
JM		 6259
6260 msg = nlmsg_alloc();
6261 if (!msg)
6262 return -ENOMEM;
6263
6264 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 6265 beacon_set);
6266 if (beacon_set)
d2440ba0
JM		 6267 cmd = NL80211_CMD_SET_BEACON;
6268
9fb04070 6269 nl80211_cmd(drv, msg, 0, cmd);
b92e08fc
JM		 6270 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
6271 params->head, params->head_len);
19c3b566 6272 NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head);
b92e08fc
JM		 6273 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
6274 params->tail, params->tail_len);
19c3b566 6275 NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail);
b92e08fc 6276 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", ifindex);
b4fd6fab 6277 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
b92e08fc 6278 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
19c3b566 6279 NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int);
b92e08fc 6280 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
19c3b566 6281 NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period);
b92e08fc
JM		 6282 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
6283 params->ssid, params->ssid_len);
ccb941e6
JM		 6284 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
6285 params->ssid);
b92e08fc
JM		 6286 if (params->proberesp && params->proberesp_len) {
6287 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
6288 params->proberesp, params->proberesp_len);
5ed33546
AN		 6289 NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
6290 params->proberesp);
b92e08fc 6291 }
97a7a0b5
JM		 6292 switch (params->hide_ssid) {
6293 case NO_SSID_HIDING:
b92e08fc 6294 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
97a7a0b5
JM		 6295 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6296 NL80211_HIDDEN_SSID_NOT_IN_USE);
6297 break;
6298 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 6299 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
97a7a0b5
JM		 6300 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6301 NL80211_HIDDEN_SSID_ZERO_LEN);
6302 break;
6303 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 6304 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
97a7a0b5
JM		 6305 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6306 NL80211_HIDDEN_SSID_ZERO_CONTENTS);
6307 break;
6308 }
b92e08fc 6309 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
b11d1d64
JM		 6310 if (params->privacy)
6311 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
b92e08fc 6312 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 6313 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
6314 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
6315 /* Leave out the attribute */
6316 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED)
6317 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
6318 NL80211_AUTHTYPE_SHARED_KEY);
6319 else
6320 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
6321 NL80211_AUTHTYPE_OPEN_SYSTEM);
6322
b92e08fc 6323 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 6324 ver = 0;
6325 if (params->wpa_version & WPA_PROTO_WPA)
6326 ver |= NL80211_WPA_VERSION_1;
6327 if (params->wpa_version & WPA_PROTO_RSN)
6328 ver |= NL80211_WPA_VERSION_2;
6329 if (ver)
6330 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
6331
b92e08fc
JM		 6332 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
6333 params->key_mgmt_suites);
b11d1d64
JM		 6334 num_suites = 0;
6335 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
6336 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
6337 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
6338 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
6339 if (num_suites) {
6340 NLA_PUT(msg, NL80211_ATTR_AKM_SUITES,
6341 num_suites * sizeof(u32), suites);
6342 }
6343
9f12614b
JB		 6344 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X &&
6345 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40))
6346 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT);
6347
b92e08fc
JM		 6348 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
6349 params->pairwise_ciphers);
b11d1d64
JM		 6350 num_suites = 0;
6351 if (params->pairwise_ciphers & WPA_CIPHER_CCMP)
6352 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
eb7719ff
JM		 6353 if (params->pairwise_ciphers & WPA_CIPHER_GCMP)
6354 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
b11d1d64
JM		 6355 if (params->pairwise_ciphers & WPA_CIPHER_TKIP)
6356 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
6357 if (params->pairwise_ciphers & WPA_CIPHER_WEP104)
6358 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
6359 if (params->pairwise_ciphers & WPA_CIPHER_WEP40)
6360 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
6361 if (num_suites) {
6362 NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
6363 num_suites * sizeof(u32), suites);
6364 }
6365
b92e08fc
JM		 6366 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
6367 params->group_cipher);
b11d1d64
JM		 6368 switch (params->group_cipher) {
6369 case WPA_CIPHER_CCMP:
6370 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6371 WLAN_CIPHER_SUITE_CCMP);
6372 break;
eb7719ff
JM		 6373 case WPA_CIPHER_GCMP:
6374 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6375 WLAN_CIPHER_SUITE_GCMP);
6376 break;
b11d1d64
JM		 6377 case WPA_CIPHER_TKIP:
6378 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6379 WLAN_CIPHER_SUITE_TKIP);
6380 break;
6381 case WPA_CIPHER_WEP104:
6382 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6383 WLAN_CIPHER_SUITE_WEP104);
6384 break;
6385 case WPA_CIPHER_WEP40:
6386 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6387 WLAN_CIPHER_SUITE_WEP40);
6388 break;
6389 }
d2440ba0 6390
fb91db56 6391 if (params->beacon_ies) {
b92e08fc
JM		 6392 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
6393 params->beacon_ies);
fb91db56
JM		 6394 NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies),
6395 wpabuf_head(params->beacon_ies));
6396 }
6397 if (params->proberesp_ies) {
b92e08fc
JM		 6398 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
6399 params->proberesp_ies);
fb91db56
JM		 6400 NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP,
6401 wpabuf_len(params->proberesp_ies),
6402 wpabuf_head(params->proberesp_ies));
6403 }
6404 if (params->assocresp_ies) {
b92e08fc
JM		 6405 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
6406 params->assocresp_ies);
fb91db56
JM		 6407 NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP,
6408 wpabuf_len(params->assocresp_ies),
6409 wpabuf_head(params->assocresp_ies));
6410 }
6411
a0133ee1 6412 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 6413 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
6414 params->ap_max_inactivity);
a0133ee1
VT		 6415 NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
6416 params->ap_max_inactivity);
6417 }
6418
d2440ba0
JM		 6419 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6420 if (ret) {
6421 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
6422 ret, strerror(-ret));
b4fd6fab 6423 } else {
b4fd6fab 6424 bss->beacon_set = 1;
31357268 6425 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 6426 params->short_slot_time, params->ht_opmode,
e5693c47 6427 params->isolate, params->basic_rates);
b4fd6fab 6428 }
d2440ba0
JM		 6429 return ret;
6430 nla_put_failure:
5883168a 6431 nlmsg_free(msg);
d2440ba0
JM		 6432 return -ENOBUFS;
6433}
6434
6435
e4fb2167 6436static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
89b800d7 6437 struct hostapd_freq_params *freq)
1581b38b 6438{
e4fb2167 6439 struct wpa_driver_nl80211_data *drv = bss->drv;
1581b38b 6440 struct nl_msg *msg;
d2440ba0 6441 int ret;
1581b38b 6442
89b800d7
JB		 6443 wpa_printf(MSG_DEBUG, "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d,"
6444 " bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
6445 freq->freq, freq->ht_enabled, freq->vht_enabled,
6446 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1581b38b
JM		 6447 msg = nlmsg_alloc();
6448 if (!msg)
6449 return -1;
6450
9fb04070 6451 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
1581b38b
JM		 6452
6453 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
89b800d7
JB		 6454 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
6455 if (freq->vht_enabled) {
6456 switch (freq->bandwidth) {
6457 case 20:
6458 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6459 NL80211_CHAN_WIDTH_20);
6460 break;
6461 case 40:
6462 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6463 NL80211_CHAN_WIDTH_40);
6464 break;
6465 case 80:
6466 if (freq->center_freq2)
6467 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6468 NL80211_CHAN_WIDTH_80P80);
6469 else
6470 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6471 NL80211_CHAN_WIDTH_80);
6472 break;
6473 case 160:
6474 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6475 NL80211_CHAN_WIDTH_160);
6476 break;
6477 default:
6478 return -1;
6479 }
6480 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1);
6481 if (freq->center_freq2)
6482 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2,
6483 freq->center_freq2);
6484 } else if (freq->ht_enabled) {
6485 switch (freq->sec_channel_offset) {
f019981a
JM		 6486 case -1:
6487 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6488 NL80211_CHAN_HT40MINUS);
6489 break;
6490 case 1:
6491 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6492 NL80211_CHAN_HT40PLUS);
6493 break;
6494 default:
6495 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6496 NL80211_CHAN_HT20);
6497 break;
6498 }
6499 }
1581b38b 6500
d2440ba0 6501 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6502 msg = NULL;
e4fb2167 6503 if (ret == 0) {
89b800d7 6504 bss->freq = freq->freq;
1581b38b 6505 return 0;
e4fb2167 6506 }
f019981a 6507 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 6508 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b 6509nla_put_failure:
5883168a 6510 nlmsg_free(msg);
1581b38b
JM		 6511 return -1;
6512}
6513
0f4e8b4f 6514
95ab6063
AN		 6515static u32 sta_flags_nl80211(int flags)
6516{
6517 u32 f = 0;
6518
6519 if (flags & WPA_STA_AUTHORIZED)
6520 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
6521 if (flags & WPA_STA_WMM)
6522 f |= BIT(NL80211_STA_FLAG_WME);
6523 if (flags & WPA_STA_SHORT_PREAMBLE)
6524 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
6525 if (flags & WPA_STA_MFP)
6526 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 6527 if (flags & WPA_STA_TDLS_PEER)
6528 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
95ab6063
AN		 6529
6530 return f;
6531}
6532
6533
62847751 6534static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 6535 struct hostapd_sta_add_params *params)
6536{
a2e40bb6
FF		 6537 struct i802_bss *bss = priv;
6538 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 6539 struct nl_msg *msg;
95ab6063 6540 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 6541 int ret = -ENOBUFS;
6542
45b722f1
AN		 6543 if ((params->flags & WPA_STA_TDLS_PEER) &&
6544 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6545 return -EOPNOTSUPP;
6546
0f4e8b4f
JM		 6547 msg = nlmsg_alloc();
6548 if (!msg)
6549 return -ENOMEM;
6550
e4dea253
JM		 6551 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
6552 params->set ? "Set" : "Add", MAC2STR(params->addr));
45b722f1
AN		 6553 nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION :
6554 NL80211_CMD_NEW_STATION);
0f4e8b4f 6555
62847751 6556 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
0f4e8b4f 6557 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr);
0f4e8b4f
JM		 6558 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len,
6559 params->supp_rates);
e4dea253
JM		 6560 wpa_hexdump(MSG_DEBUG, " * supported rates", params->supp_rates,
6561 params->supp_rates_len);
45b722f1 6562 if (!params->set) {
f11b72c3
JM		 6563 if (params->aid) {
6564 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
6565 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid);
6566 } else {
6567 /*
6568 * cfg80211 validates that AID is non-zero, so we have
6569 * to make this a non-zero value for the TDLS case where
6570 * a dummy STA entry is used for now.
6571 */
6572 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
6573 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, 1);
6574 }
e4dea253
JM		 6575 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
6576 params->listen_interval);
45b722f1
AN		 6577 NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
6578 params->listen_interval);
e112764e
JM		 6579 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
6580 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
6581 NLA_PUT_U16(msg, NL80211_ATTR_PEER_AID, params->aid);
45b722f1 6582 }
0f4e8b4f 6583 if (params->ht_capabilities) {
e4dea253
JM		 6584 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
6585 (u8 *) params->ht_capabilities,
6586 sizeof(*params->ht_capabilities));
0f4e8b4f 6587 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY,
fc4e2d95
JM		 6588 sizeof(*params->ht_capabilities),
6589 params->ht_capabilities);
0f4e8b4f 6590 }
0f4e8b4f 6591
05a8d422 6592 if (params->vht_capabilities) {
e4dea253
JM		 6593 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
6594 (u8 *) params->vht_capabilities,
6595 sizeof(*params->vht_capabilities));
05a8d422
JB		 6596 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY,
6597 sizeof(*params->vht_capabilities),
6598 params->vht_capabilities);
6599 }
6600
122d16f2
SD		 6601 wpa_printf(MSG_DEBUG, " * capability=0x%x", params->capability);
6602 NLA_PUT_U16(msg, NL80211_ATTR_STA_CAPABILITY, params->capability);
6603
6604 if (params->ext_capab) {
6605 wpa_hexdump(MSG_DEBUG, " * ext_capab",
6606 params->ext_capab, params->ext_capab_len);
6607 NLA_PUT(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
6608 params->ext_capab_len, params->ext_capab);
6609 }
6610
95ab6063
AN		 6611 os_memset(&upd, 0, sizeof(upd));
6612 upd.mask = sta_flags_nl80211(params->flags);
6613 upd.set = upd.mask;
e4dea253
JM		 6614 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
6615 upd.set, upd.mask);
95ab6063
AN		 6616 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
6617
774bfa62 6618 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 6619 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
6620
774bfa62
EP		 6621 if (!wme)
6622 goto nla_put_failure;
6623
e4dea253 6624 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
8970bae8 6625 NLA_PUT_U8(msg, NL80211_STA_WME_UAPSD_QUEUES,
5d061637 6626 params->qosinfo & WMM_QOSINFO_STA_AC_MASK);
8970bae8 6627 NLA_PUT_U8(msg, NL80211_STA_WME_MAX_SP,
bdaf1748 6628 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
5d061637 6629 WMM_QOSINFO_STA_SP_MASK);
8970bae8 6630 nla_nest_end(msg, wme);
774bfa62
EP		 6631 }
6632
0f4e8b4f 6633 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6634 msg = NULL;
0f4e8b4f 6635 if (ret)
45b722f1
AN		 6636 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
6637 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
6638 strerror(-ret));
0f4e8b4f
JM		 6639 if (ret == -EEXIST)
6640 ret = 0;
6641 nla_put_failure:
5883168a 6642 nlmsg_free(msg);
0f4e8b4f
JM		 6643 return ret;
6644}
6645
6646
9ebce9c5 6647static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr)
0f4e8b4f 6648{
a2e40bb6 6649 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 6650 struct nl_msg *msg;
6651 int ret;
6652
6653 msg = nlmsg_alloc();
6654 if (!msg)
6655 return -ENOMEM;
6656
9fb04070 6657 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
0f4e8b4f
JM		 6658
6659 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 6660 if_nametoindex(bss->ifname));
0f4e8b4f
JM		 6661 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
6662
6663 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6664 if (ret == -ENOENT)
6665 return 0;
6666 return ret;
6667 nla_put_failure:
5883168a 6668 nlmsg_free(msg);
0f4e8b4f
JM		 6669 return -ENOBUFS;
6670}
6671
1581b38b 6672
0915d02c
JM		 6673static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
6674 int ifidx)
6675{
6676 struct nl_msg *msg;
6677
c6e8e8e4
JM		 6678 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
6679
2135f224
JM		 6680 /* stop listening for EAPOL on this interface */
6681 del_ifidx(drv, ifidx);
2135f224 6682
0915d02c
JM		 6683 msg = nlmsg_alloc();
6684 if (!msg)
6685 goto nla_put_failure;
6686
9fb04070 6687 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 6688 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx);
6689
6690 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
6691 return;
5883168a 6692 msg = NULL;
0915d02c 6693 nla_put_failure:
5883168a 6694 nlmsg_free(msg);
e748062b 6695 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 6696}
6697
6698
a1922f93
JM		 6699static const char * nl80211_iftype_str(enum nl80211_iftype mode)
6700{
6701 switch (mode) {
6702 case NL80211_IFTYPE_ADHOC:
6703 return "ADHOC";
6704 case NL80211_IFTYPE_STATION:
6705 return "STATION";
6706 case NL80211_IFTYPE_AP:
6707 return "AP";
1045ec36
JM		 6708 case NL80211_IFTYPE_AP_VLAN:
6709 return "AP_VLAN";
6710 case NL80211_IFTYPE_WDS:
6711 return "WDS";
a1922f93
JM		 6712 case NL80211_IFTYPE_MONITOR:
6713 return "MONITOR";
1045ec36
JM		 6714 case NL80211_IFTYPE_MESH_POINT:
6715 return "MESH_POINT";
a1922f93
JM		 6716 case NL80211_IFTYPE_P2P_CLIENT:
6717 return "P2P_CLIENT";
6718 case NL80211_IFTYPE_P2P_GO:
6719 return "P2P_GO";
7aad838c
NS		 6720 case NL80211_IFTYPE_P2P_DEVICE:
6721 return "P2P_DEVICE";
a1922f93
JM		 6722 default:
6723 return "unknown";
6724 }
6725}
6726
6727
a35187e7
KH		 6728static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
6729 const char *ifname,
6730 enum nl80211_iftype iftype,
d6dcfcda
DS		 6731 const u8 *addr, int wds,
6732 int (*handler)(struct nl_msg *, void *),
6733 void *arg)
0915d02c 6734{
8970bae8 6735 struct nl_msg *msg;
0915d02c
JM		 6736 int ifidx;
6737 int ret = -ENOBUFS;
6738
a1922f93
JM		 6739 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
6740 iftype, nl80211_iftype_str(iftype));
6741
0915d02c
JM		 6742 msg = nlmsg_alloc();
6743 if (!msg)
6744 return -1;
6745
9fb04070 6746 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE);
fa93de40
AS		 6747 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
6748 goto nla_put_failure;
0915d02c
JM		 6749 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
6750 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
6751
6752 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 6753 struct nlattr *flags;
0915d02c 6754
8970bae8 6755 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
0915d02c
JM		 6756 if (!flags)
6757 goto nla_put_failure;
6758
8970bae8 6759 NLA_PUT_FLAG(msg, NL80211_MNTR_FLAG_COOK_FRAMES);
0915d02c 6760
8970bae8 6761 nla_nest_end(msg, flags);
fbbfcbac
FF		 6762 } else if (wds) {
6763 NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds);
0915d02c
JM		 6764 }
6765
d6dcfcda 6766 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 6767 msg = NULL;
0915d02c
JM		 6768 if (ret) {
6769 nla_put_failure:
5883168a 6770 nlmsg_free(msg);
a35187e7
KH		 6771 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
6772 ifname, ret, strerror(-ret));
0915d02c
JM		 6773 return ret;
6774 }
6775
f632e483 6776 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 6777 return 0;
6bae92e0 6778
0915d02c 6779 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 6780 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
6781 ifname, ifidx);
0915d02c
JM		 6782
6783 if (ifidx <= 0)
6784 return -1;
6785
2135f224
JM		 6786 /* start listening for EAPOL on this interface */
6787 add_ifidx(drv, ifidx);
6788
7bfc47c3 6789 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 6790 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 6791 nl80211_remove_iface(drv, ifidx);
6792 return -1;
2135f224 6793 }
2135f224 6794
0915d02c
JM		 6795 return ifidx;
6796}
22a7c9d7
JM		 6797
6798
a35187e7
KH		 6799static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
6800 const char *ifname, enum nl80211_iftype iftype,
d6dcfcda
DS		 6801 const u8 *addr, int wds,
6802 int (*handler)(struct nl_msg *, void *),
6803 void *arg)
a35187e7
KH		 6804{
6805 int ret;
6806
d6dcfcda
DS		 6807 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
6808 arg);
a35187e7 6809
ffbf1eaa 6810 /* if error occurred and interface exists already */
a35187e7
KH		 6811 if (ret == -ENFILE && if_nametoindex(ifname)) {
6812 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
6813
6814 /* Try to remove the interface that was already there. */
6815 nl80211_remove_iface(drv, if_nametoindex(ifname));
6816
6817 /* Try to create the interface again */
fbbfcbac 6818 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 6819 wds, handler, arg);
a35187e7
KH		 6820 }
6821
6a71413e 6822 if (ret >= 0 && is_p2p_net_interface(iftype))
4e5cb1a3
JM		 6823 nl80211_disable_11b_rates(drv, ret, 1);
6824
a35187e7
KH		 6825 return ret;
6826}
0915d02c 6827
2135f224 6828
0915d02c
JM		 6829static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok)
6830{
6831 struct ieee80211_hdr *hdr;
f8b1f695
JM		 6832 u16 fc;
6833 union wpa_event_data event;
0915d02c
JM		 6834
6835 hdr = (struct ieee80211_hdr *) buf;
6836 fc = le_to_host16(hdr->frame_control);
6837
f8b1f695
JM		 6838 os_memset(&event, 0, sizeof(event));
6839 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
6840 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
6841 event.tx_status.dst = hdr->addr1;
6842 event.tx_status.data = buf;
6843 event.tx_status.data_len = len;
6844 event.tx_status.ack = ok;
6845 wpa_supplicant_event(ctx, EVENT_TX_STATUS, &event);
0915d02c
JM		 6846}
6847
6848
4b9841d3 6849static void from_unknown_sta(struct wpa_driver_nl80211_data *drv,
0d9fc3d8 6850 u8 *buf, size_t len)
0915d02c 6851{
9b90955e
JB		 6852 struct ieee80211_hdr *hdr = (void *)buf;
6853 u16 fc;
f8b1f695 6854 union wpa_event_data event;
9b90955e
JB		 6855
6856 if (len < sizeof(*hdr))
6857 return;
6858
6859 fc = le_to_host16(hdr->frame_control);
6860
f8b1f695 6861 os_memset(&event, 0, sizeof(event));
9b90955e
JB		 6862 event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len);
6863 event.rx_from_unknown.addr = hdr->addr2;
6864 event.rx_from_unknown.wds = (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) ==
6865 (WLAN_FC_FROMDS | WLAN_FC_TODS);
f8b1f695 6866 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
4b9841d3 6867}
0915d02c 6868
4b9841d3
JM		 6869
6870static void handle_frame(struct wpa_driver_nl80211_data *drv,
2a8b7416 6871 u8 *buf, size_t len, int datarate, int ssi_signal)
4b9841d3
JM		 6872{
6873 struct ieee80211_hdr *hdr;
f8b1f695
JM		 6874 u16 fc;
6875 union wpa_event_data event;
0915d02c
JM		 6876
6877 hdr = (struct ieee80211_hdr *) buf;
6878 fc = le_to_host16(hdr->frame_control);
0915d02c 6879
4b9841d3 6880 switch (WLAN_FC_GET_TYPE(fc)) {
0915d02c 6881 case WLAN_FC_TYPE_MGMT:
f8b1f695
JM		 6882 os_memset(&event, 0, sizeof(event));
6883 event.rx_mgmt.frame = buf;
6884 event.rx_mgmt.frame_len = len;
2a8b7416
JM		 6885 event.rx_mgmt.datarate = datarate;
6886 event.rx_mgmt.ssi_signal = ssi_signal;
f8b1f695 6887 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
0915d02c
JM		 6888 break;
6889 case WLAN_FC_TYPE_CTRL:
6890 /* can only get here with PS-Poll frames */
6891 wpa_printf(MSG_DEBUG, "CTRL");
0d9fc3d8 6892 from_unknown_sta(drv, buf, len);
0915d02c
JM		 6893 break;
6894 case WLAN_FC_TYPE_DATA:
0d9fc3d8 6895 from_unknown_sta(drv, buf, len);
0915d02c
JM		 6896 break;
6897 }
6898}
6899
6900
6901static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
6902{
6903 struct wpa_driver_nl80211_data *drv = eloop_ctx;
6904 int len;
6905 unsigned char buf[3000];
6906 struct ieee80211_radiotap_iterator iter;
6907 int ret;
2a8b7416 6908 int datarate = 0, ssi_signal = 0;
4b9841d3 6909 int injected = 0, failed = 0, rxflags = 0;
0915d02c
JM		 6910
6911 len = recv(sock, buf, sizeof(buf), 0);
6912 if (len < 0) {
6913 perror("recv");
6914 return;
6915 }
6916
6917 if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
6918 printf("received invalid radiotap frame\n");
6919 return;
6920 }
6921
0915d02c
JM		 6922 while (1) {
6923 ret = ieee80211_radiotap_iterator_next(&iter);
6924 if (ret == -ENOENT)
6925 break;
6926 if (ret) {
6927 printf("received invalid radiotap frame (%d)\n", ret);
6928 return;
6929 }
6930 switch (iter.this_arg_index) {
6931 case IEEE80211_RADIOTAP_FLAGS:
6932 if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS)
6933 len -= 4;
6934 break;
6935 case IEEE80211_RADIOTAP_RX_FLAGS:
6936 rxflags = 1;
6937 break;
6938 case IEEE80211_RADIOTAP_TX_FLAGS:
6939 injected = 1;
6940 failed = le_to_host16((*(uint16_t *) iter.this_arg)) &
6941 IEEE80211_RADIOTAP_F_TX_FAIL;
6942 break;
6943 case IEEE80211_RADIOTAP_DATA_RETRIES:
6944 break;
6945 case IEEE80211_RADIOTAP_CHANNEL:
2a8b7416 6946 /* TODO: convert from freq/flags to channel number */
0915d02c
JM		 6947 break;
6948 case IEEE80211_RADIOTAP_RATE:
2a8b7416 6949 datarate = *iter.this_arg * 5;
0915d02c 6950 break;
baf513d6
JB		 6951 case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
6952 ssi_signal = (s8) *iter.this_arg;
0915d02c
JM		 6953 break;
6954 }
6955 }
6956
6957 if (rxflags && injected)
6958 return;
6959
6960 if (!injected)
4b9841d3 6961 handle_frame(drv, buf + iter.max_length,
2a8b7416 6962 len - iter.max_length, datarate, ssi_signal);
0915d02c 6963 else
4b9841d3
JM		 6964 handle_tx_callback(drv->ctx, buf + iter.max_length,
6965 len - iter.max_length, !failed);
0915d02c
JM		 6966}
6967
6968
6969/*
6970 * we post-process the filter code later and rewrite
6971 * this to the offset to the last instruction
6972 */
6973#define PASS 0xFF
6974#define FAIL 0xFE
6975
6976static struct sock_filter msock_filter_insns[] = {
6977 /*
6978 * do a little-endian load of the radiotap length field
6979 */
6980 /* load lower byte into A */
6981 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
6982 /* put it into X (== index register) */
6983 BPF_STMT(BPF_MISC| BPF_TAX, 0),
6984 /* load upper byte into A */
6985 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 3),
6986 /* left-shift it by 8 */
6987 BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8),
6988 /* or with X */
6989 BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0),
6990 /* put result into X */
6991 BPF_STMT(BPF_MISC| BPF_TAX, 0),
6992
6993 /*
6994 * Allow management frames through, this also gives us those
6995 * management frames that we sent ourselves with status
6996 */
6997 /* load the lower byte of the IEEE 802.11 frame control field */
6998 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
6999 /* mask off frame type and version */
7000 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF),
7001 /* accept frame if it's both 0, fall through otherwise */
7002 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0),
7003
7004 /*
7005 * TODO: add a bit to radiotap RX flags that indicates
7006 * that the sending station is not associated, then
7007 * add a filter here that filters on our DA and that flag
7008 * to allow us to deauth frames to that bad station.
7009 *
65ae1afd 7010 * For now allow all To DS data frames through.
0915d02c 7011 */
65ae1afd
HS		 7012 /* load the IEEE 802.11 frame control field */
7013 BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0),
7014 /* mask off frame type, version and DS status */
7015 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03),
7016 /* accept frame if version 0, type 2 and To DS, fall through otherwise
7017 */
7018 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0),
0915d02c
JM		 7019
7020#if 0
7021 /*
fbbfcbac 7022 * drop non-data frames
0915d02c
JM		 7023 */
7024 /* load the lower byte of the frame control field */
7025 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7026 /* mask off QoS bit */
7027 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c),
7028 /* drop non-data frames */
7029 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL),
fbbfcbac 7030#endif
0915d02c 7031 /* load the upper byte of the frame control field */
fbbfcbac 7032 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1),
0915d02c
JM		 7033 /* mask off toDS/fromDS */
7034 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03),
fbbfcbac
FF		 7035 /* accept WDS frames */
7036 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0),
0915d02c
JM		 7037
7038 /*
7039 * add header length to index
7040 */
7041 /* load the lower byte of the frame control field */
7042 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7043 /* mask off QoS bit */
7044 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x80),
7045 /* right shift it by 6 to give 0 or 2 */
7046 BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 6),
7047 /* add data frame header length */
7048 BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 24),
7049 /* add index, was start of 802.11 header */
7050 BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
7051 /* move to index, now start of LL header */
7052 BPF_STMT(BPF_MISC | BPF_TAX, 0),
7053
7054 /*
7055 * Accept empty data frames, we use those for
7056 * polling activity.
7057 */
7058 BPF_STMT(BPF_LD | BPF_W | BPF_LEN, 0),
7059 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0),
7060
7061 /*
7062 * Accept EAPOL frames
7063 */
7064 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0),
7065 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL),
7066 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 4),
7067 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL),
7068
7069 /* keep these last two statements or change the code below */
7070 /* return 0 == "DROP" */
7071 BPF_STMT(BPF_RET | BPF_K, 0),
7072 /* return ~0 == "keep all" */
7073 BPF_STMT(BPF_RET | BPF_K, ~0),
7074};
7075
7076static struct sock_fprog msock_filter = {
7077 .len = sizeof(msock_filter_insns)/sizeof(msock_filter_insns[0]),
7078 .filter = msock_filter_insns,
7079};
7080
7081
7082static int add_monitor_filter(int s)
7083{
7084 int idx;
7085
7086 /* rewrite all PASS/FAIL jump offsets */
7087 for (idx = 0; idx < msock_filter.len; idx++) {
7088 struct sock_filter *insn = &msock_filter_insns[idx];
7089
7090 if (BPF_CLASS(insn->code) == BPF_JMP) {
7091 if (insn->code == (BPF_JMP|BPF_JA)) {
7092 if (insn->k == PASS)
7093 insn->k = msock_filter.len - idx - 2;
7094 else if (insn->k == FAIL)
7095 insn->k = msock_filter.len - idx - 3;
7096 }
7097
7098 if (insn->jt == PASS)
7099 insn->jt = msock_filter.len - idx - 2;
7100 else if (insn->jt == FAIL)
7101 insn->jt = msock_filter.len - idx - 3;
7102
7103 if (insn->jf == PASS)
7104 insn->jf = msock_filter.len - idx - 2;
7105 else if (insn->jf == FAIL)
7106 insn->jf = msock_filter.len - idx - 3;
7107 }
7108 }
7109
7110 if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER,
7111 &msock_filter, sizeof(msock_filter))) {
7112 perror("SO_ATTACH_FILTER");
7113 return -1;
7114 }
7115
7116 return 0;
7117}
7118
7119
460456f8
JM		 7120static void nl80211_remove_monitor_interface(
7121 struct wpa_driver_nl80211_data *drv)
7122{
3fd1cefb
JB		 7123 drv->monitor_refcount--;
7124 if (drv->monitor_refcount > 0)
7125 return;
7126
460456f8
JM		 7127 if (drv->monitor_ifidx >= 0) {
7128 nl80211_remove_iface(drv, drv->monitor_ifidx);
7129 drv->monitor_ifidx = -1;
7130 }
504e905c
JM		 7131 if (drv->monitor_sock >= 0) {
7132 eloop_unregister_read_sock(drv->monitor_sock);
7133 close(drv->monitor_sock);
7134 drv->monitor_sock = -1;
7135 }
460456f8
JM		 7136}
7137
7138
0915d02c
JM		 7139static int
7140nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
7141{
7142 char buf[IFNAMSIZ];
7143 struct sockaddr_ll ll;
7144 int optval;
7145 socklen_t optlen;
0915d02c 7146
3fd1cefb
JB		 7147 if (drv->monitor_ifidx >= 0) {
7148 drv->monitor_refcount++;
7149 return 0;
7150 }
7151
6758b167
JJ		 7152 if (os_strncmp(drv->first_bss.ifname, "p2p-", 4) == 0) {
7153 /*
7154 * P2P interface name is of the format p2p-%s-%d. For monitor
7155 * interface name corresponding to P2P GO, replace "p2p-" with
7156 * "mon-" to retain the same interface name length and to
7157 * indicate that it is a monitor interface.
7158 */
7159 snprintf(buf, IFNAMSIZ, "mon-%s", drv->first_bss.ifname + 4);
7160 } else {
7161 /* Non-P2P interface with AP functionality. */
7162 snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss.ifname);
7163 }
7164
0915d02c
JM		 7165 buf[IFNAMSIZ - 1] = '\0';
7166
7167 drv->monitor_ifidx =
fbbfcbac 7168 nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL,
d6dcfcda 7169 0, NULL, NULL);
0915d02c 7170
866af8b6 7171 if (drv->monitor_ifidx == -EOPNOTSUPP) {
61cbe2ff
JB		 7172 /*
7173 * This is backward compatibility for a few versions of
7174 * the kernel only that didn't advertise the right
7175 * attributes for the only driver that then supported
7176 * AP mode w/o monitor -- ath6kl.
7177 */
866af8b6
JM		 7178 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support "
7179 "monitor interface type - try to run without it");
61cbe2ff 7180 drv->device_ap_sme = 1;
866af8b6
JM		 7181 }
7182
0915d02c
JM		 7183 if (drv->monitor_ifidx < 0)
7184 return -1;
7185
c81eff1a 7186 if (linux_set_iface_flags(drv->global->ioctl_sock, buf, 1))
0915d02c 7187 goto error;
0915d02c
JM		 7188
7189 memset(&ll, 0, sizeof(ll));
7190 ll.sll_family = AF_PACKET;
7191 ll.sll_ifindex = drv->monitor_ifidx;
7192 drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
7193 if (drv->monitor_sock < 0) {
7194 perror("socket[PF_PACKET,SOCK_RAW]");
7195 goto error;
7196 }
7197
7198 if (add_monitor_filter(drv->monitor_sock)) {
7199 wpa_printf(MSG_INFO, "Failed to set socket filter for monitor "
7200 "interface; do filtering in user space");
7201 /* This works, but will cost in performance. */
7202 }
7203
2135f224 7204 if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
0915d02c
JM		 7205 perror("monitor socket bind");
7206 goto error;
7207 }
7208
7209 optlen = sizeof(optval);
7210 optval = 20;
7211 if (setsockopt
7212 (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) {
7213 perror("Failed to set socket priority");
7214 goto error;
7215 }
7216
7217 if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read,
7218 drv, NULL)) {
7219 printf("Could not register monitor read socket\n");
7220 goto error;
7221 }
7222
7223 return 0;
7224 error:
460456f8 7225 nl80211_remove_monitor_interface(drv);
0915d02c
JM		 7226 return -1;
7227}
7228
db149ac9 7229
3fd1cefb
JB		 7230static int nl80211_setup_ap(struct i802_bss *bss)
7231{
7232 struct wpa_driver_nl80211_data *drv = bss->drv;
7233
36488c05
JM		 7234 wpa_printf(MSG_DEBUG, "nl80211: Setup AP - device_ap_sme=%d "
7235 "use_monitor=%d", drv->device_ap_sme, drv->use_monitor);
7236
a11241fa
JB		 7237 /*
7238 * Disable Probe Request reporting unless we need it in this way for
7239 * devices that include the AP SME, in the other case (unless using
7240 * monitor iface) we'll get it through the nl_mgmt socket instead.
7241 */
7242 if (!drv->device_ap_sme)
7243 wpa_driver_nl80211_probe_req_report(bss, 0);
7244
7245 if (!drv->device_ap_sme && !drv->use_monitor)
7246 if (nl80211_mgmt_subscribe_ap(bss))
7247 return -1;
7248
a6cc0602
JM		 7249 if (drv->device_ap_sme && !drv->use_monitor)
7250 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
7251 return -1;
7252
a11241fa 7253 if (!drv->device_ap_sme && drv->use_monitor &&
3fd1cefb
JB		 7254 nl80211_create_monitor_interface(drv) &&
7255 !drv->device_ap_sme)
7256 return -1;
7257
7258 if (drv->device_ap_sme &&
7259 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
7260 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
7261 "Probe Request frame reporting in AP mode");
7262 /* Try to survive without this */
7263 }
7264
7265 return 0;
7266}
7267
7268
7269static void nl80211_teardown_ap(struct i802_bss *bss)
7270{
7271 struct wpa_driver_nl80211_data *drv = bss->drv;
7272
a6cc0602 7273 if (drv->device_ap_sme) {
3fd1cefb 7274 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 7275 if (!drv->use_monitor)
7276 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
7277 } else if (drv->use_monitor)
3fd1cefb 7278 nl80211_remove_monitor_interface(drv);
a11241fa 7279 else
36488c05 7280 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 7281
3fd1cefb
JB		 7282 bss->beacon_set = 0;
7283}
7284
7285
f10bfc9a
JM		 7286static int nl80211_send_eapol_data(struct i802_bss *bss,
7287 const u8 *addr, const u8 *data,
d12dab4c 7288 size_t data_len)
f10bfc9a 7289{
d12dab4c
JB		 7290 struct sockaddr_ll ll;
7291 int ret;
7292
7293 if (bss->drv->eapol_tx_sock < 0) {
7294 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 7295 return -1;
7296 }
7297
d12dab4c
JB		 7298 os_memset(&ll, 0, sizeof(ll));
7299 ll.sll_family = AF_PACKET;
7300 ll.sll_ifindex = bss->ifindex;
7301 ll.sll_protocol = htons(ETH_P_PAE);
7302 ll.sll_halen = ETH_ALEN;
7303 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
7304 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
7305 (struct sockaddr *) &ll, sizeof(ll));
7306 if (ret < 0)
7307 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
7308 strerror(errno));
7309
7310 return ret;
f10bfc9a 7311}
5fb1a232 7312
f10bfc9a 7313
db149ac9
JM		 7314static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
7315
7316static int wpa_driver_nl80211_hapd_send_eapol(
7317 void *priv, const u8 *addr, const u8 *data,
4378fc14 7318 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 7319{
a2e40bb6
FF		 7320 struct i802_bss *bss = priv;
7321 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 7322 struct ieee80211_hdr *hdr;
7323 size_t len;
7324 u8 *pos;
7325 int res;
4378fc14 7326 int qos = flags & WPA_STA_WMM;
db149ac9 7327
a11241fa 7328 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 7329 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 7330
db149ac9
JM		 7331 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
7332 data_len;
7333 hdr = os_zalloc(len);
7334 if (hdr == NULL) {
7335 printf("malloc() failed for i802_send_data(len=%lu)\n",
7336 (unsigned long) len);
7337 return -1;
7338 }
7339
7340 hdr->frame_control =
7341 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
7342 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
7343 if (encrypt)
7344 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 7345 if (qos) {
7346 hdr->frame_control |=
7347 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
7348 }
db149ac9
JM		 7349
7350 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
7351 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
7352 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
7353 pos = (u8 *) (hdr + 1);
7354
db149ac9 7355 if (qos) {
92d521d8
FF		 7356 /* Set highest priority in QoS header */
7357 pos[0] = 7;
db149ac9
JM		 7358 pos[1] = 0;
7359 pos += 2;
7360 }
db149ac9
JM		 7361
7362 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
7363 pos += sizeof(rfc1042_header);
7364 WPA_PUT_BE16(pos, ETH_P_PAE);
7365 pos += 2;
7366 memcpy(pos, data, data_len);
7367
55231068
JM		 7368 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
7369 0, 0, 0, 0);
db149ac9
JM		 7370 if (res < 0) {
7371 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
7372 "failed: %d (%s)",
7373 (unsigned long) len, errno, strerror(errno));
7374 }
7bf12757 7375 os_free(hdr);
db149ac9
JM		 7376
7377 return res;
7378}
7379
a8d6ffa4 7380
3234cba4
JM		 7381static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
7382 int total_flags,
4c32757d 7383 int flags_or, int flags_and)
a8d6ffa4 7384{
a2e40bb6
FF		 7385 struct i802_bss *bss = priv;
7386 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7387 struct nl_msg *msg;
7388 struct nlattr *flags;
7e76ee9c 7389 struct nl80211_sta_flag_update upd;
a8d6ffa4
JM		 7390
7391 msg = nlmsg_alloc();
7392 if (!msg)
7393 return -ENOMEM;
7394
9fb04070 7395 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
a8d6ffa4
JM		 7396
7397 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
3234cba4 7398 if_nametoindex(bss->ifname));
a8d6ffa4
JM		 7399 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7400
7e76ee9c
JM		 7401 /*
7402 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
7403 * can be removed eventually.
7404 */
8970bae8
JB		 7405 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
7406 if (!flags)
7407 goto nla_put_failure;
0de39516 7408 if (total_flags & WPA_STA_AUTHORIZED)
8970bae8 7409 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_AUTHORIZED);
a8d6ffa4 7410
0de39516 7411 if (total_flags & WPA_STA_WMM)
8970bae8 7412 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_WME);
a8d6ffa4 7413
0de39516 7414 if (total_flags & WPA_STA_SHORT_PREAMBLE)
8970bae8 7415 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_SHORT_PREAMBLE);
a8d6ffa4 7416
0de39516 7417 if (total_flags & WPA_STA_MFP)
8970bae8 7418 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_MFP);
a8d6ffa4 7419
45b722f1 7420 if (total_flags & WPA_STA_TDLS_PEER)
8970bae8 7421 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_TDLS_PEER);
45b722f1 7422
8970bae8 7423 nla_nest_end(msg, flags);
a8d6ffa4 7424
7e76ee9c
JM		 7425 os_memset(&upd, 0, sizeof(upd));
7426 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
7427 upd.set = sta_flags_nl80211(flags_or);
7428 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
7429
a8d6ffa4
JM		 7430 return send_and_recv_msgs(drv, msg, NULL, NULL);
7431 nla_put_failure:
5883168a 7432 nlmsg_free(msg);
a8d6ffa4
JM		 7433 return -ENOBUFS;
7434}
7435
0915d02c 7436
1581b38b
JM		 7437static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
7438 struct wpa_driver_associate_params *params)
7439{
708bc8e0 7440 enum nl80211_iftype nlmode, old_mode;
89b800d7
JB		 7441 struct hostapd_freq_params freq = {
7442 .freq = params->freq,
7443 };
b1f625e0
EP		 7444
7445 if (params->p2p) {
046b26a2
JM		 7446 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
7447 "group (GO)");
b1f625e0
EP		 7448 nlmode = NL80211_IFTYPE_P2P_GO;
7449 } else
7450 nlmode = NL80211_IFTYPE_AP;
7451
708bc8e0
JM		 7452 old_mode = drv->nlmode;
7453 if (wpa_driver_nl80211_set_mode(&drv->first_bss, nlmode)) {
7454 nl80211_remove_monitor_interface(drv);
7455 return -1;
7456 }
7457
89b800d7 7458 if (wpa_driver_nl80211_set_freq(&drv->first_bss, &freq)) {
708bc8e0
JM		 7459 if (old_mode != nlmode)
7460 wpa_driver_nl80211_set_mode(&drv->first_bss, old_mode);
460456f8 7461 nl80211_remove_monitor_interface(drv);
1581b38b 7462 return -1;
0915d02c 7463 }
1581b38b 7464
1581b38b
JM		 7465 return 0;
7466}
1581b38b
JM		 7467
7468
5cc4d64b
JM		 7469static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv)
7470{
7471 struct nl_msg *msg;
7472 int ret = -1;
7473
7474 msg = nlmsg_alloc();
7475 if (!msg)
7476 return -1;
7477
9fb04070 7478 nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b
JM		 7479 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7480 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7481 msg = NULL;
7482 if (ret) {
7483 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
7484 "(%s)", ret, strerror(-ret));
7485 goto nla_put_failure;
7486 }
7487
7488 ret = 0;
7489 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully");
7490
7491nla_put_failure:
7492 nlmsg_free(msg);
7493 return ret;
7494}
7495
7496
7497static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
7498 struct wpa_driver_associate_params *params)
7499{
7500 struct nl_msg *msg;
7501 int ret = -1;
7502 int count = 0;
7503
7504 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
7505
b1f625e0
EP		 7506 if (wpa_driver_nl80211_set_mode(&drv->first_bss,
7507 NL80211_IFTYPE_ADHOC)) {
5cc4d64b
JM		 7508 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
7509 "IBSS mode");
7510 return -1;
7511 }
7512
7513retry:
7514 msg = nlmsg_alloc();
7515 if (!msg)
7516 return -1;
7517
9fb04070 7518 nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS);
5cc4d64b
JM		 7519 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7520
7521 if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
7522 goto nla_put_failure;
7523
7524 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7525 params->ssid, params->ssid_len);
7526 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7527 params->ssid);
7528 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
7529 drv->ssid_len = params->ssid_len;
7530
7531 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7532 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
7533
7534 ret = nl80211_set_conn_keys(params, msg);
7535 if (ret)
7536 goto nla_put_failure;
7537
913e3cf7
NC		 7538 if (params->bssid && params->fixed_bssid) {
7539 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
7540 MAC2STR(params->bssid));
7541 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7542 }
7543
e640888c
AQ		 7544 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
7545 params->key_mgmt_suite == KEY_MGMT_PSK ||
7546 params->key_mgmt_suite == KEY_MGMT_802_1X_SHA256 ||
7547 params->key_mgmt_suite == KEY_MGMT_PSK_SHA256) {
7548 wpa_printf(MSG_DEBUG, " * control port");
7549 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
7550 }
7551
a95795ad
JM		 7552 if (params->wpa_ie) {
7553 wpa_hexdump(MSG_DEBUG,
7554 " * Extra IEs for Beacon/Probe Response frames",
7555 params->wpa_ie, params->wpa_ie_len);
7556 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
7557 params->wpa_ie);
7558 }
7559
5cc4d64b
JM		 7560 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7561 msg = NULL;
7562 if (ret) {
7563 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
7564 ret, strerror(-ret));
7565 count++;
7566 if (ret == -EALREADY && count == 1) {
7567 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
7568 "forced leave");
7569 nl80211_leave_ibss(drv);
7570 nlmsg_free(msg);
7571 goto retry;
7572 }
7573
7574 goto nla_put_failure;
7575 }
7576 ret = 0;
7577 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully");
7578
7579nla_put_failure:
7580 nlmsg_free(msg);
7581 return ret;
7582}
7583
7584
a8c5b43a 7585static int wpa_driver_nl80211_try_connect(
cfaab580
ZY		 7586 struct wpa_driver_nl80211_data *drv,
7587 struct wpa_driver_associate_params *params)
7588{
7589 struct nl_msg *msg;
7590 enum nl80211_auth_type type;
7591 int ret = 0;
3f360238 7592 int algs;
cfaab580
ZY		 7593
7594 msg = nlmsg_alloc();
7595 if (!msg)
7596 return -1;
7597
7598 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
9fb04070 7599 nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT);
cfaab580
ZY		 7600
7601 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7602 if (params->bssid) {
7603 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
7604 MAC2STR(params->bssid));
7605 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7606 }
7607 if (params->freq) {
7608 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7609 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
7610 }
1f6c0ab8
BS		 7611 if (params->bg_scan_period >= 0) {
7612 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
7613 params->bg_scan_period);
7614 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
7615 params->bg_scan_period);
7616 }
cfaab580
ZY		 7617 if (params->ssid) {
7618 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7619 params->ssid, params->ssid_len);
7620 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7621 params->ssid);
7622 if (params->ssid_len > sizeof(drv->ssid))
7623 goto nla_put_failure;
7624 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
7625 drv->ssid_len = params->ssid_len;
7626 }
7627 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
7628 if (params->wpa_ie)
7629 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
7630 params->wpa_ie);
7631
3f360238
JM		 7632 algs = 0;
7633 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
7634 algs++;
7635 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
7636 algs++;
7637 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
7638 algs++;
7639 if (algs > 1) {
7640 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
7641 "selection");
7642 goto skip_auth_type;
7643 }
7644
abd9fafa 7645 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
cfaab580 7646 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 7647 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
cfaab580 7648 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 7649 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
cfaab580 7650 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 7651 else if (params->auth_alg & WPA_AUTH_ALG_FT)
cfaab580
ZY		 7652 type = NL80211_AUTHTYPE_FT;
7653 else
7654 goto nla_put_failure;
7655
7656 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
7657 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
7658
3f360238 7659skip_auth_type:
64fa840a
JM		 7660 if (params->wpa_proto) {
7661 enum nl80211_wpa_versions ver = 0;
cfaab580 7662
64fa840a
JM		 7663 if (params->wpa_proto & WPA_PROTO_WPA)
7664 ver |= NL80211_WPA_VERSION_1;
7665 if (params->wpa_proto & WPA_PROTO_RSN)
7666 ver |= NL80211_WPA_VERSION_2;
cfaab580 7667
64fa840a 7668 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
cfaab580
ZY		 7669 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
7670 }
7671
7672 if (params->pairwise_suite != CIPHER_NONE) {
c1bb3e0a 7673 int cipher;
cfaab580
ZY		 7674
7675 switch (params->pairwise_suite) {
369c8d7b
JM		 7676 case CIPHER_SMS4:
7677 cipher = WLAN_CIPHER_SUITE_SMS4;
7678 break;
cfaab580
ZY		 7679 case CIPHER_WEP40:
7680 cipher = WLAN_CIPHER_SUITE_WEP40;
7681 break;
7682 case CIPHER_WEP104:
7683 cipher = WLAN_CIPHER_SUITE_WEP104;
7684 break;
7685 case CIPHER_CCMP:
7686 cipher = WLAN_CIPHER_SUITE_CCMP;
7687 break;
eb7719ff
JM		 7688 case CIPHER_GCMP:
7689 cipher = WLAN_CIPHER_SUITE_GCMP;
7690 break;
cfaab580
ZY		 7691 case CIPHER_TKIP:
7692 default:
7693 cipher = WLAN_CIPHER_SUITE_TKIP;
7694 break;
7695 }
7696 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
7697 }
7698
7699 if (params->group_suite != CIPHER_NONE) {
c1bb3e0a 7700 int cipher;
cfaab580
ZY		 7701
7702 switch (params->group_suite) {
369c8d7b
JM		 7703 case CIPHER_SMS4:
7704 cipher = WLAN_CIPHER_SUITE_SMS4;
7705 break;
cfaab580
ZY		 7706 case CIPHER_WEP40:
7707 cipher = WLAN_CIPHER_SUITE_WEP40;
7708 break;
7709 case CIPHER_WEP104:
7710 cipher = WLAN_CIPHER_SUITE_WEP104;
7711 break;
7712 case CIPHER_CCMP:
7713 cipher = WLAN_CIPHER_SUITE_CCMP;
7714 break;
eb7719ff
JM		 7715 case CIPHER_GCMP:
7716 cipher = WLAN_CIPHER_SUITE_GCMP;
7717 break;
cfaab580
ZY		 7718 case CIPHER_TKIP:
7719 default:
7720 cipher = WLAN_CIPHER_SUITE_TKIP;
7721 break;
7722 }
7723 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
7724 }
7725
7726 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
369c8d7b 7727 params->key_mgmt_suite == KEY_MGMT_PSK ||
6a1ce395
DG		 7728 params->key_mgmt_suite == KEY_MGMT_FT_802_1X ||
7729 params->key_mgmt_suite == KEY_MGMT_FT_PSK ||
369c8d7b 7730 params->key_mgmt_suite == KEY_MGMT_CCKM) {
cfaab580
ZY		 7731 int mgmt = WLAN_AKM_SUITE_PSK;
7732
7733 switch (params->key_mgmt_suite) {
369c8d7b
JM		 7734 case KEY_MGMT_CCKM:
7735 mgmt = WLAN_AKM_SUITE_CCKM;
7736 break;
cfaab580
ZY		 7737 case KEY_MGMT_802_1X:
7738 mgmt = WLAN_AKM_SUITE_8021X;
7739 break;
6a1ce395
DG		 7740 case KEY_MGMT_FT_802_1X:
7741 mgmt = WLAN_AKM_SUITE_FT_8021X;
7742 break;
7743 case KEY_MGMT_FT_PSK:
7744 mgmt = WLAN_AKM_SUITE_FT_PSK;
7745 break;
cfaab580
ZY		 7746 case KEY_MGMT_PSK:
7747 default:
7748 mgmt = WLAN_AKM_SUITE_PSK;
7749 break;
7750 }
7751 NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt);
7752 }
7753
8b706a99
JM		 7754#ifdef CONFIG_IEEE80211W
7755 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
7756 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
7757#endif /* CONFIG_IEEE80211W */
7758
80e8a5ee
BG		 7759 if (params->disable_ht)
7760 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
7761
7762 if (params->htcaps && params->htcaps_mask) {
7763 int sz = sizeof(struct ieee80211_ht_capabilities);
7764 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
7765 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
7766 params->htcaps_mask);
7767 }
7768
e9ee8dc3
JB		 7769#ifdef CONFIG_VHT_OVERRIDES
7770 if (params->disable_vht) {
7771 wpa_printf(MSG_DEBUG, " * VHT disabled");
7772 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT);
7773 }
7774
7775 if (params->vhtcaps && params->vhtcaps_mask) {
7776 int sz = sizeof(struct ieee80211_vht_capabilities);
7777 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps);
7778 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
7779 params->vhtcaps_mask);
7780 }
7781#endif /* CONFIG_VHT_OVERRIDES */
7782
cfaab580
ZY		 7783 ret = nl80211_set_conn_keys(params, msg);
7784 if (ret)
7785 goto nla_put_failure;
7786
7787 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7788 msg = NULL;
7789 if (ret) {
7790 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
7791 "(%s)", ret, strerror(-ret));
7792 goto nla_put_failure;
7793 }
7794 ret = 0;
7795 wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully");
7796
7797nla_put_failure:
7798 nlmsg_free(msg);
7799 return ret;
7800
7801}
7802
7803
a8c5b43a
CW		 7804static int wpa_driver_nl80211_connect(
7805 struct wpa_driver_nl80211_data *drv,
7806 struct wpa_driver_associate_params *params)
7807{
7808 int ret = wpa_driver_nl80211_try_connect(drv, params);
7809 if (ret == -EALREADY) {
7810 /*
7811 * cfg80211 does not currently accept new connections if
7812 * we are already connected. As a workaround, force
7813 * disconnection and try again.
7814 */
7815 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
7816 "disconnecting before reassociation "
7817 "attempt");
7818 if (wpa_driver_nl80211_disconnect(
7819 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
7820 return -1;
a8c5b43a
CW		 7821 ret = wpa_driver_nl80211_try_connect(drv, params);
7822 }
7823 return ret;
7824}
7825
7826
c2a04078
JM		 7827static int wpa_driver_nl80211_associate(
7828 void *priv, struct wpa_driver_associate_params *params)
7829{
a2e40bb6
FF		 7830 struct i802_bss *bss = priv;
7831 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 7832 int ret = -1;
7833 struct nl_msg *msg;
7834
5cc4d64b 7835 if (params->mode == IEEE80211_MODE_AP)
1581b38b 7836 return wpa_driver_nl80211_ap(drv, params);
1581b38b 7837
5cc4d64b
JM		 7838 if (params->mode == IEEE80211_MODE_IBSS)
7839 return wpa_driver_nl80211_ibss(drv, params);
7840
4a867032 7841 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 7842 enum nl80211_iftype nlmode = params->p2p ?
7843 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
7844
7845 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 7846 return -1;
cfaab580 7847 return wpa_driver_nl80211_connect(drv, params);
4a867032 7848 }
cfaab580 7849
add9b7a4 7850 nl80211_mark_disconnected(drv);
c2a04078
JM		 7851
7852 msg = nlmsg_alloc();
7853 if (!msg)
7854 return -1;
7855
7856 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
7857 drv->ifindex);
9fb04070 7858 nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE);
c2a04078
JM		 7859
7860 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7861 if (params->bssid) {
7862 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
7863 MAC2STR(params->bssid));
7864 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7865 }
7866 if (params->freq) {
7867 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7868 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
4832ecd7
JM		 7869 drv->assoc_freq = params->freq;
7870 } else
7871 drv->assoc_freq = 0;
1f6c0ab8
BS		 7872 if (params->bg_scan_period >= 0) {
7873 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
7874 params->bg_scan_period);
7875 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
7876 params->bg_scan_period);
7877 }
c2a04078
JM		 7878 if (params->ssid) {
7879 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7880 params->ssid, params->ssid_len);
7881 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7882 params->ssid);
fd05d64e
JM		 7883 if (params->ssid_len > sizeof(drv->ssid))
7884 goto nla_put_failure;
7885 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
7886 drv->ssid_len = params->ssid_len;
c2a04078
JM		 7887 }
7888 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
7889 if (params->wpa_ie)
7890 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
7891 params->wpa_ie);
7892
aca01605
JM		 7893 if (params->pairwise_suite != CIPHER_NONE) {
7894 int cipher;
7895
7896 switch (params->pairwise_suite) {
7897 case CIPHER_WEP40:
7898 cipher = WLAN_CIPHER_SUITE_WEP40;
7899 break;
7900 case CIPHER_WEP104:
7901 cipher = WLAN_CIPHER_SUITE_WEP104;
7902 break;
7903 case CIPHER_CCMP:
7904 cipher = WLAN_CIPHER_SUITE_CCMP;
7905 break;
eb7719ff
JM		 7906 case CIPHER_GCMP:
7907 cipher = WLAN_CIPHER_SUITE_GCMP;
7908 break;
aca01605
JM		 7909 case CIPHER_TKIP:
7910 default:
7911 cipher = WLAN_CIPHER_SUITE_TKIP;
7912 break;
7913 }
79c3124c 7914 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
aca01605
JM		 7915 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
7916 }
7917
7918 if (params->group_suite != CIPHER_NONE) {
7919 int cipher;
7920
7921 switch (params->group_suite) {
7922 case CIPHER_WEP40:
7923 cipher = WLAN_CIPHER_SUITE_WEP40;
7924 break;
7925 case CIPHER_WEP104:
7926 cipher = WLAN_CIPHER_SUITE_WEP104;
7927 break;
7928 case CIPHER_CCMP:
7929 cipher = WLAN_CIPHER_SUITE_CCMP;
7930 break;
eb7719ff
JM		 7931 case CIPHER_GCMP:
7932 cipher = WLAN_CIPHER_SUITE_GCMP;
7933 break;
aca01605
JM		 7934 case CIPHER_TKIP:
7935 default:
7936 cipher = WLAN_CIPHER_SUITE_TKIP;
7937 break;
7938 }
79c3124c 7939 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
aca01605
JM		 7940 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
7941 }
7942
e572fa33
JM		 7943#ifdef CONFIG_IEEE80211W
7944 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
7945 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
7946#endif /* CONFIG_IEEE80211W */
7947
01652550
JM		 7948 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
7949
62fa124c
JM		 7950 if (params->prev_bssid) {
7951 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
7952 MAC2STR(params->prev_bssid));
7953 NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
7954 params->prev_bssid);
7955 }
7956
80e8a5ee
BG		 7957 if (params->disable_ht)
7958 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
7959
7960 if (params->htcaps && params->htcaps_mask) {
7961 int sz = sizeof(struct ieee80211_ht_capabilities);
7962 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
7963 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
7964 params->htcaps_mask);
7965 }
7966
e9ee8dc3
JB		 7967#ifdef CONFIG_VHT_OVERRIDES
7968 if (params->disable_vht) {
7969 wpa_printf(MSG_DEBUG, " * VHT disabled");
7970 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT);
7971 }
7972
7973 if (params->vhtcaps && params->vhtcaps_mask) {
7974 int sz = sizeof(struct ieee80211_vht_capabilities);
7975 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps);
7976 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
7977 params->vhtcaps_mask);
7978 }
7979#endif /* CONFIG_VHT_OVERRIDES */
7980
046b26a2
JM		 7981 if (params->p2p)
7982 wpa_printf(MSG_DEBUG, " * P2P group");
7983
c2a04078
JM		 7984 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7985 msg = NULL;
7986 if (ret) {
3b7ea880
BG		 7987 wpa_dbg(drv->ctx, MSG_DEBUG,
7988 "nl80211: MLME command failed (assoc): ret=%d (%s)",
7989 ret, strerror(-ret));
8856462d 7990 nl80211_dump_scan(drv);
c2a04078
JM		 7991 goto nla_put_failure;
7992 }
7993 ret = 0;
7994 wpa_printf(MSG_DEBUG, "nl80211: Association request send "
7995 "successfully");
7996
7997nla_put_failure:
7998 nlmsg_free(msg);
7999 return ret;
8000}
3f5285e8
JM		 8001
8002
ad1e68e6 8003static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 8004 int ifindex, enum nl80211_iftype mode)
3f5285e8 8005{
3f5285e8 8006 struct nl_msg *msg;
ad1e68e6
JM		 8007 int ret = -ENOBUFS;
8008
a1922f93
JM		 8009 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
8010 ifindex, mode, nl80211_iftype_str(mode));
8011
ad1e68e6
JM		 8012 msg = nlmsg_alloc();
8013 if (!msg)
8014 return -ENOMEM;
8015
9fb04070 8016 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE);
f632e483
AS		 8017 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
8018 goto nla_put_failure;
ad1e68e6
JM		 8019 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
8020
8021 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8022 msg = NULL;
ad1e68e6
JM		 8023 if (!ret)
8024 return 0;
8025nla_put_failure:
5883168a 8026 nlmsg_free(msg);
ad1e68e6
JM		 8027 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
8028 " %d (%s)", ifindex, mode, ret, strerror(-ret));
8029 return ret;
8030}
8031
8032
b1f625e0
EP		 8033static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
8034 enum nl80211_iftype nlmode)
ad1e68e6 8035{
a2e40bb6 8036 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 8037 int ret = -1;
26af9dca 8038 int i;
86957e62 8039 int was_ap = is_ap_interface(drv->nlmode);
671a5039 8040 int res;
1581b38b 8041
671a5039 8042 res = nl80211_set_mode(drv, drv->ifindex, nlmode);
8e12685c
AS		 8043 if (res && nlmode == nl80211_get_ifmode(bss))
8044 res = 0;
8045
671a5039 8046 if (res == 0) {
ad1e68e6 8047 drv->nlmode = nlmode;
460456f8
JM		 8048 ret = 0;
8049 goto done;
ad1e68e6 8050 }
3f5285e8 8051
671a5039
JM		 8052 if (res == -ENODEV)
8053 return -1;
8054
460456f8 8055 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 8056 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
8057 "requested mode - ignore error");
460456f8
JM		 8058 ret = 0;
8059 goto done; /* Already in the requested mode */
8060 }
3f5285e8 8061
3f5285e8
JM		 8062 /* mac80211 doesn't allow mode changes while the device is up, so
8063 * take the device down, try to set the mode again, and bring the
8064 * device back up.
8065 */
26af9dca
JM		 8066 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
8067 "interface down");
8068 for (i = 0; i < 10; i++) {
91724d6f 8069 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 8070 if (res == -EACCES || res == -ENODEV)
8071 break;
8072 if (res == 0) {
26af9dca
JM		 8073 /* Try to set the mode again while the interface is
8074 * down */
8075 ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
6e8183d7
JM		 8076 if (ret == -EACCES)
8077 break;
91724d6f 8078 res = i802_set_iface_flags(bss, 1);
6e8183d7 8079 if (res && !ret)
26af9dca 8080 ret = -1;
6e8183d7 8081 else if (ret != -EBUSY)
26af9dca
JM		 8082 break;
8083 } else
8084 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
8085 "interface down");
8086 os_sleep(0, 100000);
3f5285e8
JM		 8087 }
8088
c6e8e8e4
JM		 8089 if (!ret) {
8090 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
8091 "interface is down");
ad1e68e6 8092 drv->nlmode = nlmode;
7d9c3698 8093 drv->ignore_if_down_event = 1;
c6e8e8e4 8094 }
ad1e68e6 8095
460456f8 8096done:
3fd1cefb
JB		 8097 if (ret) {
8098 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
8099 "from %d failed", nlmode, drv->nlmode);
8100 return ret;
8101 }
8102
6a71413e 8103 if (is_p2p_net_interface(nlmode))
edb9bfba 8104 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1d0c6fb1
JM		 8105 else if (drv->disabled_11b_rates)
8106 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
edb9bfba 8107
3fd1cefb 8108 if (is_ap_interface(nlmode)) {
36488c05 8109 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 8110 /* Setup additional AP mode functionality if needed */
3fd1cefb 8111 if (nl80211_setup_ap(bss))
460456f8 8112 return -1;
3fd1cefb 8113 } else if (was_ap) {
460456f8 8114 /* Remove additional AP mode functionality */
3fd1cefb 8115 nl80211_teardown_ap(bss);
a11241fa 8116 } else {
36488c05 8117 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 8118 }
460456f8 8119
873d0fcf 8120 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
a11241fa
JB		 8121 nl80211_mgmt_subscribe_non_ap(bss) < 0)
8122 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
8123 "frame processing - ignore for now");
08359050 8124
3fd1cefb 8125 return 0;
3f5285e8
JM		 8126}
8127
8128
3f5285e8
JM		 8129static int wpa_driver_nl80211_get_capa(void *priv,
8130 struct wpa_driver_capa *capa)
8131{
a2e40bb6
FF		 8132 struct i802_bss *bss = priv;
8133 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 8134 if (!drv->has_capability)
8135 return -1;
8136 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 8137 if (drv->extended_capa && drv->extended_capa_mask) {
8138 capa->extended_capa = drv->extended_capa;
8139 capa->extended_capa_mask = drv->extended_capa_mask;
8140 capa->extended_capa_len = drv->extended_capa_len;
8141 }
851b0c55
JM		 8142
8143 if ((capa->flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
8144 !drv->allow_p2p_device) {
8145 wpa_printf(MSG_DEBUG, "nl80211: Do not indicate P2P_DEVICE support (p2p_device=1 driver param not specified)");
8146 capa->flags &= ~WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
8147 }
8148
3f5285e8
JM		 8149 return 0;
8150}
8151
8152
8153static int wpa_driver_nl80211_set_operstate(void *priv, int state)
8154{
a2e40bb6
FF		 8155 struct i802_bss *bss = priv;
8156 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 8157
8158 wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)",
8159 __func__, drv->operstate, state, state ? "UP" : "DORMANT");
8160 drv->operstate = state;
36d84860 8161 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 8162 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 8163}
8164
01652550
JM		 8165
8166static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
8167{
a2e40bb6
FF		 8168 struct i802_bss *bss = priv;
8169 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 8170 struct nl_msg *msg;
8171 struct nl80211_sta_flag_update upd;
8172
1ba51ec0
JM		 8173 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
8174 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
8175
01652550
JM		 8176 msg = nlmsg_alloc();
8177 if (!msg)
8178 return -ENOMEM;
8179
9fb04070 8180 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
01652550
JM		 8181
8182 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8183 if_nametoindex(bss->ifname));
01652550
JM		 8184 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
8185
8186 os_memset(&upd, 0, sizeof(upd));
8187 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
8188 if (authorized)
8189 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
8190 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
8191
8192 return send_and_recv_msgs(drv, msg, NULL, NULL);
8193 nla_put_failure:
5883168a 8194 nlmsg_free(msg);
01652550
JM		 8195 return -ENOBUFS;
8196}
8197
3f5285e8 8198
f07ead6a
JM		 8199/* Set kernel driver on given frequency (MHz) */
8200static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 8201{
f07ead6a 8202 struct i802_bss *bss = priv;
89b800d7 8203 return wpa_driver_nl80211_set_freq(bss, freq);
c5121837
JM		 8204}
8205
f7b3920c
JM		 8206
8207#if defined(HOSTAPD) || defined(CONFIG_AP)
c5121837 8208
c5121837
JM		 8209static inline int min_int(int a, int b)
8210{
8211 if (a < b)
8212 return a;
8213 return b;
8214}
8215
8216
8217static int get_key_handler(struct nl_msg *msg, void *arg)
8218{
8219 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8220 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8221
8222 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8223 genlmsg_attrlen(gnlh, 0), NULL);
8224
8225 /*
8226 * TODO: validate the key index and mac address!
8227 * Otherwise, there's a race condition as soon as
8228 * the kernel starts sending key notifications.
8229 */
8230
8231 if (tb[NL80211_ATTR_KEY_SEQ])
8232 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
8233 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
8234 return NL_SKIP;
8235}
8236
8237
8238static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
8239 int idx, u8 *seq)
8240{
a2e40bb6
FF		 8241 struct i802_bss *bss = priv;
8242 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8243 struct nl_msg *msg;
8244
8245 msg = nlmsg_alloc();
8246 if (!msg)
8247 return -ENOMEM;
8248
9fb04070 8249 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY);
c5121837
JM		 8250
8251 if (addr)
8252 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
8253 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
8254 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
8255
8256 memset(seq, 0, 6);
8257
8258 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
8259 nla_put_failure:
9e088e74 8260 nlmsg_free(msg);
c5121837
JM		 8261 return -ENOBUFS;
8262}
8263
8264
c5121837
JM		 8265static int i802_set_rts(void *priv, int rts)
8266{
a2e40bb6
FF		 8267 struct i802_bss *bss = priv;
8268 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 8269 struct nl_msg *msg;
8270 int ret = -ENOBUFS;
8271 u32 val;
c5121837 8272
ad649451
JM		 8273 msg = nlmsg_alloc();
8274 if (!msg)
8275 return -ENOMEM;
c5121837 8276
ad649451
JM		 8277 if (rts >= 2347)
8278 val = (u32) -1;
8279 else
8280 val = rts;
c5121837 8281
9fb04070 8282 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 8283 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8284 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val);
8285
8286 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8287 msg = NULL;
ad649451
JM		 8288 if (!ret)
8289 return 0;
8290nla_put_failure:
5883168a 8291 nlmsg_free(msg);
ad649451
JM		 8292 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
8293 "%d (%s)", rts, ret, strerror(-ret));
8294 return ret;
c5121837
JM		 8295}
8296
8297
8298static int i802_set_frag(void *priv, int frag)
8299{
a2e40bb6
FF		 8300 struct i802_bss *bss = priv;
8301 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 8302 struct nl_msg *msg;
8303 int ret = -ENOBUFS;
8304 u32 val;
c5121837 8305
ad649451
JM		 8306 msg = nlmsg_alloc();
8307 if (!msg)
8308 return -ENOMEM;
c5121837 8309
ad649451
JM		 8310 if (frag >= 2346)
8311 val = (u32) -1;
8312 else
8313 val = frag;
c5121837 8314
9fb04070 8315 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 8316 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8317 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val);
8318
8319 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8320 msg = NULL;
ad649451
JM		 8321 if (!ret)
8322 return 0;
8323nla_put_failure:
5883168a 8324 nlmsg_free(msg);
ad649451
JM		 8325 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
8326 "%d: %d (%s)", frag, ret, strerror(-ret));
8327 return ret;
c5121837
JM		 8328}
8329
8330
c5121837
JM		 8331static int i802_flush(void *priv)
8332{
a2e40bb6
FF		 8333 struct i802_bss *bss = priv;
8334 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 8335 struct nl_msg *msg;
82554b10 8336 int res;
c5121837
JM		 8337
8338 msg = nlmsg_alloc();
8339 if (!msg)
8340 return -1;
8341
9fb04070 8342 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
c5121837
JM		 8343
8344 /*
8345 * XXX: FIX! this needs to flush all VLANs too
8346 */
8347 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8348 if_nametoindex(bss->ifname));
c5121837 8349
82554b10
JM		 8350 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8351 if (res) {
8352 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
8353 "(%s)", res, strerror(-res));
8354 }
8355 return res;
c5121837 8356 nla_put_failure:
9e088e74 8357 nlmsg_free(msg);
c5121837
JM		 8358 return -ENOBUFS;
8359}
8360
d732463c
JM		 8361#endif /* HOSTAPD || CONFIG_AP */
8362
c5121837
JM		 8363
8364static int get_sta_handler(struct nl_msg *msg, void *arg)
8365{
8366 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8367 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8368 struct hostap_sta_driver_data *data = arg;
8369 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
8370 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
8371 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
8372 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
8373 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
8374 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
8375 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 8376 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
c5121837
JM		 8377 };
8378
8379 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8380 genlmsg_attrlen(gnlh, 0), NULL);
8381
8382 /*
8383 * TODO: validate the interface and mac address!
8384 * Otherwise, there's a race condition as soon as
8385 * the kernel starts sending station notifications.
8386 */
8387
8388 if (!tb[NL80211_ATTR_STA_INFO]) {
8389 wpa_printf(MSG_DEBUG, "sta stats missing!");
8390 return NL_SKIP;
8391 }
8392 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
8393 tb[NL80211_ATTR_STA_INFO],
8394 stats_policy)) {
8395 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
8396 return NL_SKIP;
8397 }
8398
8399 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
8400 data->inactive_msec =
8401 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
8402 if (stats[NL80211_STA_INFO_RX_BYTES])
8403 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
8404 if (stats[NL80211_STA_INFO_TX_BYTES])
8405 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
8406 if (stats[NL80211_STA_INFO_RX_PACKETS])
8407 data->rx_packets =
8408 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
8409 if (stats[NL80211_STA_INFO_TX_PACKETS])
8410 data->tx_packets =
8411 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 8412 if (stats[NL80211_STA_INFO_TX_FAILED])
8413 data->tx_retry_failed =
8414 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 8415
8416 return NL_SKIP;
8417}
8418
9ebce9c5
JM		 8419static int i802_read_sta_data(struct i802_bss *bss,
8420 struct hostap_sta_driver_data *data,
c5121837
JM		 8421 const u8 *addr)
8422{
a2e40bb6 8423 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8424 struct nl_msg *msg;
8425
8426 os_memset(data, 0, sizeof(*data));
8427 msg = nlmsg_alloc();
8428 if (!msg)
8429 return -ENOMEM;
8430
9fb04070 8431 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
c5121837
JM		 8432
8433 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
a2e40bb6 8434 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 8435
8436 return send_and_recv_msgs(drv, msg, get_sta_handler, data);
8437 nla_put_failure:
9e088e74 8438 nlmsg_free(msg);
c5121837
JM		 8439 return -ENOBUFS;
8440}
8441
8442
d732463c
JM		 8443#if defined(HOSTAPD) || defined(CONFIG_AP)
8444
c5121837
JM		 8445static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
8446 int cw_min, int cw_max, int burst_time)
8447{
a2e40bb6
FF		 8448 struct i802_bss *bss = priv;
8449 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8450 struct nl_msg *msg;
8451 struct nlattr *txq, *params;
8452
8453 msg = nlmsg_alloc();
8454 if (!msg)
8455 return -1;
8456
9fb04070 8457 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
c5121837 8458
a2e40bb6 8459 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 8460
8461 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
8462 if (!txq)
8463 goto nla_put_failure;
8464
8465 /* We are only sending parameters for a single TXQ at a time */
8466 params = nla_nest_start(msg, 1);
8467 if (!params)
8468 goto nla_put_failure;
8469
7e3c1781
JM		 8470 switch (queue) {
8471 case 0:
8472 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO);
8473 break;
8474 case 1:
8475 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI);
8476 break;
8477 case 2:
8478 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE);
8479 break;
8480 case 3:
8481 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK);
8482 break;
8483 }
c5121837
JM		 8484 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
8485 * 32 usec, so need to convert the value here. */
8486 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
8487 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
8488 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
8489 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
8490
8491 nla_nest_end(msg, params);
8492
8493 nla_nest_end(msg, txq);
8494
8495 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
8496 return 0;
9e088e74 8497 msg = NULL;
c5121837 8498 nla_put_failure:
9e088e74 8499 nlmsg_free(msg);
c5121837
JM		 8500 return -1;
8501}
8502
8503
9ebce9c5 8504static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 8505 const char *ifname, int vlan_id)
8506{
a2e40bb6 8507 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 8508 struct nl_msg *msg;
cd1d72c1 8509 int ret = -ENOBUFS;
c5121837
JM		 8510
8511 msg = nlmsg_alloc();
8512 if (!msg)
8513 return -ENOMEM;
8514
9fb04070 8515 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
c5121837
JM		 8516
8517 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8518 if_nametoindex(bss->ifname));
c5121837 8519 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
1c766b09 8520 NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
c5121837
JM		 8521 if_nametoindex(ifname));
8522
cd1d72c1 8523 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9e088e74 8524 msg = NULL;
cd1d72c1
JM		 8525 if (ret < 0) {
8526 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
8527 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
8528 MAC2STR(addr), ifname, vlan_id, ret,
8529 strerror(-ret));
8530 }
c5121837 8531 nla_put_failure:
9e088e74 8532 nlmsg_free(msg);
cd1d72c1 8533 return ret;
c5121837
JM		 8534}
8535
fbbfcbac 8536
c5121837
JM		 8537static int i802_get_inact_sec(void *priv, const u8 *addr)
8538{
8539 struct hostap_sta_driver_data data;
8540 int ret;
8541
8542 data.inactive_msec = (unsigned long) -1;
8543 ret = i802_read_sta_data(priv, &data, addr);
8544 if (ret || data.inactive_msec == (unsigned long) -1)
8545 return -1;
8546 return data.inactive_msec / 1000;
8547}
8548
8549
8550static int i802_sta_clear_stats(void *priv, const u8 *addr)
8551{
8552#if 0
8553 /* TODO */
8554#endif
8555 return 0;
8556}
8557
8558
731723a5
JM		 8559static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
8560 int reason)
c5121837 8561{
a2e40bb6 8562 struct i802_bss *bss = priv;
e1bd4e19 8563 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8564 struct ieee80211_mgmt mgmt;
8565
e1bd4e19
AT		 8566 if (drv->device_ap_sme)
8567 return wpa_driver_nl80211_sta_remove(bss, addr);
8568
c5121837
JM		 8569 memset(&mgmt, 0, sizeof(mgmt));
8570 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8571 WLAN_FC_STYPE_DEAUTH);
8572 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 8573 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8574 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 8575 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 8576 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 8577 IEEE80211_HDRLEN +
9ebce9c5
JM		 8578 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
8579 0);
c5121837
JM		 8580}
8581
8582
731723a5
JM		 8583static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
8584 int reason)
c5121837 8585{
a2e40bb6 8586 struct i802_bss *bss = priv;
e1bd4e19 8587 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8588 struct ieee80211_mgmt mgmt;
8589
e1bd4e19
AT		 8590 if (drv->device_ap_sme)
8591 return wpa_driver_nl80211_sta_remove(bss, addr);
8592
c5121837
JM		 8593 memset(&mgmt, 0, sizeof(mgmt));
8594 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8595 WLAN_FC_STYPE_DISASSOC);
8596 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 8597 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8598 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 8599 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 8600 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 8601 IEEE80211_HDRLEN +
9ebce9c5
JM		 8602 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
8603 0);
c5121837
JM		 8604}
8605
ee7ab173
JB		 8606#endif /* HOSTAPD || CONFIG_AP */
8607
8608#ifdef HOSTAPD
c5121837 8609
f07ead6a
JM		 8610static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
8611{
8612 int i;
8613 int *old;
8614
8615 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
8616 ifidx);
8617 for (i = 0; i < drv->num_if_indices; i++) {
8618 if (drv->if_indices[i] == 0) {
8619 drv->if_indices[i] = ifidx;
8620 return;
8621 }
8622 }
8623
8624 if (drv->if_indices != drv->default_if_indices)
8625 old = drv->if_indices;
8626 else
8627 old = NULL;
8628
067ffa26
JM		 8629 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
8630 sizeof(int));
f07ead6a
JM		 8631 if (!drv->if_indices) {
8632 if (!old)
8633 drv->if_indices = drv->default_if_indices;
8634 else
8635 drv->if_indices = old;
8636 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
8637 "interfaces");
8638 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
8639 return;
8640 } else if (!old)
8641 os_memcpy(drv->if_indices, drv->default_if_indices,
8642 sizeof(drv->default_if_indices));
8643 drv->if_indices[drv->num_if_indices] = ifidx;
8644 drv->num_if_indices++;
8645}
8646
8647
8648static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
8649{
8650 int i;
8651
8652 for (i = 0; i < drv->num_if_indices; i++) {
8653 if (drv->if_indices[i] == ifidx) {
8654 drv->if_indices[i] = 0;
8655 break;
8656 }
8657 }
8658}
8659
8660
8661static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
8662{
8663 int i;
8664
8665 for (i = 0; i < drv->num_if_indices; i++)
8666 if (drv->if_indices[i] == ifidx)
8667 return 1;
8668
8669 return 0;
8670}
8671
8672
8673static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
69dd2967 8674 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 8675{
8676 struct i802_bss *bss = priv;
8677 struct wpa_driver_nl80211_data *drv = bss->drv;
8678 char name[IFNAMSIZ + 1];
8679
8680 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 8681 if (ifname_wds)
8682 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
8683
f07ead6a
JM		 8684 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
8685 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
8686 if (val) {
8687 if (!if_nametoindex(name)) {
8688 if (nl80211_create_iface(drv, name,
8689 NL80211_IFTYPE_AP_VLAN,
d6dcfcda 8690 bss->addr, 1, NULL, NULL) < 0)
f07ead6a
JM		 8691 return -1;
8692 if (bridge_ifname &&
c81eff1a
BG		 8693 linux_br_add_if(drv->global->ioctl_sock,
8694 bridge_ifname, name) < 0)
f07ead6a
JM		 8695 return -1;
8696 }
75227f3a
JM		 8697 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
8698 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
8699 "interface %s up", name);
8700 }
f07ead6a
JM		 8701 return i802_set_sta_vlan(priv, addr, name, 0);
8702 } else {
c34e618d
FF		 8703 if (bridge_ifname)
8704 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
8705 name);
8706
f07ead6a
JM		 8707 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
8708 return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN,
8709 name);
8710 }
8711}
8712
8713
8714static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
8715{
8716 struct wpa_driver_nl80211_data *drv = eloop_ctx;
8717 struct sockaddr_ll lladdr;
8718 unsigned char buf[3000];
8719 int len;
8720 socklen_t fromlen = sizeof(lladdr);
8721
8722 len = recvfrom(sock, buf, sizeof(buf), 0,
8723 (struct sockaddr *)&lladdr, &fromlen);
8724 if (len < 0) {
8725 perror("recv");
8726 return;
8727 }
8728
8729 if (have_ifidx(drv, lladdr.sll_ifindex))
8730 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
8731}
8732
8733
94627f6c 8734static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 8735 struct i802_bss *bss,
94627f6c
JM		 8736 const char *brname, const char *ifname)
8737{
8738 int ifindex;
8739 char in_br[IFNAMSIZ];
8740
e17a2477 8741 os_strlcpy(bss->brname, brname, IFNAMSIZ);
94627f6c
JM		 8742 ifindex = if_nametoindex(brname);
8743 if (ifindex == 0) {
8744 /*
8745 * Bridge was configured, but the bridge device does
8746 * not exist. Try to add it now.
8747 */
c81eff1a 8748 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 8749 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
8750 "bridge interface %s: %s",
8751 brname, strerror(errno));
8752 return -1;
8753 }
e17a2477 8754 bss->added_bridge = 1;
94627f6c
JM		 8755 add_ifidx(drv, if_nametoindex(brname));
8756 }
8757
8758 if (linux_br_get(in_br, ifname) == 0) {
8759 if (os_strcmp(in_br, brname) == 0)
8760 return 0; /* already in the bridge */
8761
8762 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
8763 "bridge %s", ifname, in_br);
c81eff1a
BG		 8764 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
8765 0) {
94627f6c
JM		 8766 wpa_printf(MSG_ERROR, "nl80211: Failed to "
8767 "remove interface %s from bridge "
8768 "%s: %s",
8769 ifname, brname, strerror(errno));
8770 return -1;
8771 }
8772 }
8773
8774 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
8775 ifname, brname);
c81eff1a 8776 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 8777 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
8778 "into bridge %s: %s",
8779 ifname, brname, strerror(errno));
8780 return -1;
8781 }
e17a2477 8782 bss->added_if_into_bridge = 1;
94627f6c
JM		 8783
8784 return 0;
8785}
8786
8787
92f475b4
JM		 8788static void *i802_init(struct hostapd_data *hapd,
8789 struct wpa_init_params *params)
c5121837
JM		 8790{
8791 struct wpa_driver_nl80211_data *drv;
a2e40bb6 8792 struct i802_bss *bss;
c5121837 8793 size_t i;
94627f6c
JM		 8794 char brname[IFNAMSIZ];
8795 int ifindex, br_ifindex;
8796 int br_added = 0;
c5121837 8797
4b24282a
JM		 8798 bss = wpa_driver_nl80211_init(hapd, params->ifname,
8799 params->global_priv);
a2e40bb6 8800 if (bss == NULL)
c5121837 8801 return NULL;
c5121837 8802
a2e40bb6 8803 drv = bss->drv;
0382097e 8804 drv->nlmode = NL80211_IFTYPE_AP;
7635bfb0
JB		 8805 drv->eapol_sock = -1;
8806
94627f6c
JM		 8807 if (linux_br_get(brname, params->ifname) == 0) {
8808 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
8809 params->ifname, brname);
8810 br_ifindex = if_nametoindex(brname);
8811 } else {
8812 brname[0] = '\0';
8813 br_ifindex = 0;
8814 }
8815
c5121837
JM		 8816 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
8817 drv->if_indices = drv->default_if_indices;
92f475b4 8818 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 8819 if (params->bridge[i]) {
8820 ifindex = if_nametoindex(params->bridge[i]);
8821 if (ifindex)
8822 add_ifidx(drv, ifindex);
8823 if (ifindex == br_ifindex)
8824 br_added = 1;
8825 }
c5121837 8826 }
94627f6c
JM		 8827 if (!br_added && br_ifindex &&
8828 (params->num_bridge == 0 || !params->bridge[0]))
8829 add_ifidx(drv, br_ifindex);
c5121837 8830
ad1e68e6
JM		 8831 /* start listening for EAPOL on the default AP interface */
8832 add_ifidx(drv, drv->ifindex);
8833
c81eff1a 8834 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0))
6980c191 8835 goto failed;
ad1e68e6 8836
6980c191 8837 if (params->bssid) {
c81eff1a 8838 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2ac9688e 8839 params->bssid))
460456f8
JM		 8840 goto failed;
8841 }
ad1e68e6 8842
b1f625e0 8843 if (wpa_driver_nl80211_set_mode(bss, drv->nlmode)) {
ad1e68e6 8844 wpa_printf(MSG_ERROR, "nl80211: Failed to set interface %s "
a2e40bb6 8845 "into AP mode", bss->ifname);
bbaf0837 8846 goto failed;
ad1e68e6
JM		 8847 }
8848
94627f6c 8849 if (params->num_bridge && params->bridge[0] &&
e17a2477 8850 i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0)
94627f6c
JM		 8851 goto failed;
8852
c81eff1a 8853 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1))
bbaf0837 8854 goto failed;
ad1e68e6
JM		 8855
8856 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
8857 if (drv->eapol_sock < 0) {
8858 perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)");
bbaf0837 8859 goto failed;
ad1e68e6
JM		 8860 }
8861
8862 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
8863 {
8864 printf("Could not register read socket for eapol\n");
c5121837 8865 goto failed;
ad1e68e6
JM		 8866 }
8867
c81eff1a
BG		 8868 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
8869 params->own_addr))
bbaf0837 8870 goto failed;
c5121837 8871
341eebee
JB		 8872 memcpy(bss->addr, params->own_addr, ETH_ALEN);
8873
a2e40bb6 8874 return bss;
c5121837
JM		 8875
8876failed:
7635bfb0 8877 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 8878 return NULL;
8879}
c5121837 8880
c5121837 8881
bbaf0837
JM		 8882static void i802_deinit(void *priv)
8883{
9ebce9c5
JM		 8884 struct i802_bss *bss = priv;
8885 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 8886}
8887
8888#endif /* HOSTAPD */
8889
8890
22a7c9d7
JM		 8891static enum nl80211_iftype wpa_driver_nl80211_if_type(
8892 enum wpa_driver_if_type type)
8893{
8894 switch (type) {
8895 case WPA_IF_STATION:
9f51b113 8896 return NL80211_IFTYPE_STATION;
75bde05d
JM		 8897 case WPA_IF_P2P_CLIENT:
8898 case WPA_IF_P2P_GROUP:
9f51b113 8899 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 8900 case WPA_IF_AP_VLAN:
8901 return NL80211_IFTYPE_AP_VLAN;
8902 case WPA_IF_AP_BSS:
8903 return NL80211_IFTYPE_AP;
9f51b113
JB		 8904 case WPA_IF_P2P_GO:
8905 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 8906 case WPA_IF_P2P_DEVICE:
8907 return NL80211_IFTYPE_P2P_DEVICE;
22a7c9d7
JM		 8908 }
8909 return -1;
8910}
8911
8912
482856c8
JM		 8913#ifdef CONFIG_P2P
8914
f2ed8023
JM		 8915static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
8916{
8917 struct wpa_driver_nl80211_data *drv;
8918 dl_list_for_each(drv, &global->interfaces,
8919 struct wpa_driver_nl80211_data, list) {
341eebee 8920 if (os_memcmp(addr, drv->first_bss.addr, ETH_ALEN) == 0)
f2ed8023
JM		 8921 return 1;
8922 }
8923 return 0;
8924}
8925
8926
8927static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv,
8928 u8 *new_addr)
8929{
8930 unsigned int idx;
8931
8932 if (!drv->global)
8933 return -1;
8934
341eebee 8935 os_memcpy(new_addr, drv->first_bss.addr, ETH_ALEN);
f2ed8023 8936 for (idx = 0; idx < 64; idx++) {
341eebee 8937 new_addr[0] = drv->first_bss.addr[0] | 0x02;
f2ed8023
JM		 8938 new_addr[0] ^= idx << 2;
8939 if (!nl80211_addr_in_use(drv->global, new_addr))
8940 break;
8941 }
8942 if (idx == 64)
8943 return -1;
8944
8945 wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address "
8946 MACSTR, MAC2STR(new_addr));
8947
8948 return 0;
8949}
8950
482856c8
JM		 8951#endif /* CONFIG_P2P */
8952
f2ed8023 8953
f632e483
AS		 8954struct wdev_info {
8955 u64 wdev_id;
8956 int wdev_id_set;
8957 u8 macaddr[ETH_ALEN];
8958};
8959
8960static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 8961{
8962 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8963 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 8964 struct wdev_info *wi = arg;
e472e1b4
AS		 8965
8966 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8967 genlmsg_attrlen(gnlh, 0), NULL);
8968 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 8969 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
8970 wi->wdev_id_set = 1;
e472e1b4
AS		 8971 }
8972
8973 if (tb[NL80211_ATTR_MAC])
f632e483 8974 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 8975 ETH_ALEN);
8976
8977 return NL_SKIP;
8978}
8979
8980
7ab68865 8981static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 8982 const char *ifname, const u8 *addr,
f3585c8a 8983 void *bss_ctx, void **drv_priv,
e17a2477
JM		 8984 char *force_ifname, u8 *if_addr,
8985 const char *bridge)
22a7c9d7 8986{
e472e1b4 8987 enum nl80211_iftype nlmode;
a2e40bb6
FF		 8988 struct i802_bss *bss = priv;
8989 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 8990 int ifidx;
8991#ifdef HOSTAPD
a2e40bb6 8992 struct i802_bss *new_bss = NULL;
22a7c9d7
JM		 8993
8994 if (type == WPA_IF_AP_BSS) {
a2e40bb6
FF		 8995 new_bss = os_zalloc(sizeof(*new_bss));
8996 if (new_bss == NULL)
22a7c9d7
JM		 8997 return -1;
8998 }
8999#endif /* HOSTAPD */
9000
f3585c8a
JM		 9001 if (addr)
9002 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 9003 nlmode = wpa_driver_nl80211_if_type(type);
9004 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 9005 struct wdev_info p2pdev_info;
9006
9007 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 9008 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483
AS		 9009 0, nl80211_wdev_handler,
9010 &p2pdev_info);
9011 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 9012 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
9013 ifname);
e472e1b4
AS		 9014 return -1;
9015 }
f632e483
AS		 9016
9017 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
9018 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
9019 if (!is_zero_ether_addr(p2pdev_info.macaddr))
9020 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
9021 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
9022 ifname,
9023 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 9024 } else {
9025 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
9026 0, NULL, NULL);
9027 if (ifidx < 0) {
22a7c9d7 9028#ifdef HOSTAPD
e472e1b4 9029 os_free(new_bss);
22a7c9d7 9030#endif /* HOSTAPD */
e472e1b4
AS		 9031 return -1;
9032 }
22a7c9d7
JM		 9033 }
9034
ab7a1add
AS		 9035 if (!addr) {
9036 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
9037 os_memcpy(if_addr, bss->addr, ETH_ALEN);
9038 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
9039 bss->ifname, if_addr) < 0) {
9040 nl80211_remove_iface(drv, ifidx);
9041 return -1;
9042 }
c55f774d
JM		 9043 }
9044
9045#ifdef CONFIG_P2P
9046 if (!addr &&
9047 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
9048 type == WPA_IF_P2P_GO)) {
9049 /* Enforce unique P2P Interface Address */
ab7a1add 9050 u8 new_addr[ETH_ALEN];
c55f774d 9051
ab7a1add 9052 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 9053 new_addr) < 0) {
c55f774d
JM		 9054 nl80211_remove_iface(drv, ifidx);
9055 return -1;
9056 }
f608081c 9057 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d
JM		 9058 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
9059 "for P2P group interface");
f2ed8023 9060 if (nl80211_p2p_interface_addr(drv, new_addr) < 0) {
c55f774d
JM		 9061 nl80211_remove_iface(drv, ifidx);
9062 return -1;
9063 }
c81eff1a 9064 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d
JM		 9065 new_addr) < 0) {
9066 nl80211_remove_iface(drv, ifidx);
9067 return -1;
9068 }
c55f774d 9069 }
f67eeb5c 9070 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d
JM		 9071 }
9072#endif /* CONFIG_P2P */
f3585c8a 9073
22a7c9d7 9074#ifdef HOSTAPD
e17a2477
JM		 9075 if (bridge &&
9076 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
9077 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
9078 "interface %s to a bridge %s", ifname, bridge);
9079 nl80211_remove_iface(drv, ifidx);
9080 os_free(new_bss);
9081 return -1;
9082 }
9083
22a7c9d7 9084 if (type == WPA_IF_AP_BSS) {
c81eff1a
BG		 9085 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
9086 {
34f2f814 9087 nl80211_remove_iface(drv, ifidx);
07179987 9088 os_free(new_bss);
22a7c9d7
JM		 9089 return -1;
9090 }
a2e40bb6 9091 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 9092 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 9093 new_bss->ifindex = ifidx;
9094 new_bss->drv = drv;
9095 new_bss->next = drv->first_bss.next;
a7a6af4c 9096 new_bss->freq = drv->first_bss.freq;
a5e1eb20 9097 new_bss->ctx = bss_ctx;
a2e40bb6
FF		 9098 drv->first_bss.next = new_bss;
9099 if (drv_priv)
9100 *drv_priv = new_bss;
cc7a48d1 9101 nl80211_init_bss(new_bss);
3dd1d890
YAP		 9102
9103 /* Subscribe management frames for this WPA_IF_AP_BSS */
9104 if (nl80211_setup_ap(new_bss))
9105 return -1;
22a7c9d7
JM		 9106 }
9107#endif /* HOSTAPD */
9108
ff6a158b
JM		 9109 if (drv->global)
9110 drv->global->if_add_ifindex = ifidx;
9111
22a7c9d7
JM		 9112 return 0;
9113}
9114
9115
9ebce9c5 9116static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 9117 enum wpa_driver_if_type type,
9118 const char *ifname)
9119{
a2e40bb6 9120 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 9121 int ifindex = if_nametoindex(ifname);
9122
e748062b
JM		 9123 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d",
9124 __func__, type, ifname, ifindex);
9125 if (ifindex <= 0)
9126 return -1;
e17a2477 9127
c34e618d
FF		 9128 nl80211_remove_iface(drv, ifindex);
9129
e17a2477 9130#ifdef HOSTAPD
c34e618d
FF		 9131 if (type != WPA_IF_AP_BSS)
9132 return 0;
9133
e17a2477 9134 if (bss->added_if_into_bridge) {
c81eff1a
BG		 9135 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
9136 bss->ifname) < 0)
e17a2477
JM		 9137 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9138 "interface %s from bridge %s: %s",
9139 bss->ifname, bss->brname, strerror(errno));
9140 }
9141 if (bss->added_bridge) {
c81eff1a 9142 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 9143 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9144 "bridge %s: %s",
9145 bss->brname, strerror(errno));
9146 }
a2e40bb6
FF		 9147
9148 if (bss != &drv->first_bss) {
8546ea19 9149 struct i802_bss *tbss;
a2e40bb6 9150
8546ea19
JM		 9151 for (tbss = &drv->first_bss; tbss; tbss = tbss->next) {
9152 if (tbss->next == bss) {
9153 tbss->next = bss->next;
3dd1d890
YAP		 9154 /* Unsubscribe management frames */
9155 nl80211_teardown_ap(bss);
cc7a48d1 9156 nl80211_destroy_bss(bss);
8546ea19
JM		 9157 os_free(bss);
9158 bss = NULL;
9159 break;
9160 }
22a7c9d7 9161 }
8546ea19
JM		 9162 if (bss)
9163 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
9164 "BSS %p in the list", __func__, bss);
22a7c9d7
JM		 9165 }
9166#endif /* HOSTAPD */
9167
9168 return 0;
9169}
9170
9171
55777702
JM		 9172static int cookie_handler(struct nl_msg *msg, void *arg)
9173{
9174 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9175 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9176 u64 *cookie = arg;
9177 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9178 genlmsg_attrlen(gnlh, 0), NULL);
9179 if (tb[NL80211_ATTR_COOKIE])
9180 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
9181 return NL_SKIP;
9182}
9183
9184
88df0ef7 9185static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 9186 unsigned int freq, unsigned int wait,
9187 const u8 *buf, size_t buf_len,
88df0ef7
JB		 9188 u64 *cookie_out, int no_cck, int no_ack,
9189 int offchanok)
9884f9cc 9190{
88df0ef7 9191 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 9192 struct nl_msg *msg;
9193 u64 cookie;
9194 int ret = -1;
9195
9196 msg = nlmsg_alloc();
9197 if (!msg)
9198 return -1;
9199
cc2ada86 9200 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 9201 "no_ack=%d offchanok=%d",
9202 freq, wait, no_cck, no_ack, offchanok);
9fb04070 9203 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME);
9884f9cc 9204
f632e483 9205 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 9206 goto nla_put_failure;
9207
9884f9cc 9208 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9db931ed
JM		 9209 if (wait)
9210 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
b9fd8ce8 9211 if (offchanok && (drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
88df0ef7 9212 NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
b106173a
JM		 9213 if (no_cck)
9214 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
ddc53271
JM		 9215 if (no_ack)
9216 NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK);
970fa12e 9217
9884f9cc
JB		 9218 NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
9219
9220 cookie = 0;
9221 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
9222 msg = NULL;
9223 if (ret) {
9224 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 9225 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
9226 freq, wait);
9884f9cc
JB		 9227 goto nla_put_failure;
9228 }
cc2ada86 9229 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
ddc53271
JM		 9230 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
9231 (long long unsigned int) cookie);
9884f9cc
JB		 9232
9233 if (cookie_out)
ddc53271 9234 *cookie_out = no_ack ? (u64) -1 : cookie;
9884f9cc
JB		 9235
9236nla_put_failure:
9237 nlmsg_free(msg);
9238 return ret;
9239}
9240
9241
9ebce9c5
JM		 9242static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
9243 unsigned int freq,
190b9062 9244 unsigned int wait_time,
58f6fbe0
JM		 9245 const u8 *dst, const u8 *src,
9246 const u8 *bssid,
b106173a
JM		 9247 const u8 *data, size_t data_len,
9248 int no_cck)
58f6fbe0 9249{
a2e40bb6 9250 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 9251 int ret = -1;
58f6fbe0
JM		 9252 u8 *buf;
9253 struct ieee80211_hdr *hdr;
58f6fbe0 9254
5dfca53f 9255 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 9256 "freq=%u MHz wait=%d ms no_cck=%d)",
9257 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 9258
9259 buf = os_zalloc(24 + data_len);
9260 if (buf == NULL)
9261 return ret;
9262 os_memcpy(buf + 24, data, data_len);
9263 hdr = (struct ieee80211_hdr *) buf;
9264 hdr->frame_control =
9265 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
9266 os_memcpy(hdr->addr1, dst, ETH_ALEN);
9267 os_memcpy(hdr->addr2, src, ETH_ALEN);
9268 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
9269
b1f625e0 9270 if (is_ap_interface(drv->nlmode))
9ebce9c5
JM		 9271 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
9272 0, freq, no_cck, 1,
9273 wait_time);
9884f9cc 9274 else
88df0ef7 9275 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 9276 24 + data_len,
b106173a 9277 &drv->send_action_cookie,
88df0ef7 9278 no_cck, 0, 1);
58f6fbe0 9279
f8bf1421 9280 os_free(buf);
58f6fbe0
JM		 9281 return ret;
9282}
9283
9284
5dfca53f
JB		 9285static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
9286{
9287 struct i802_bss *bss = priv;
9288 struct wpa_driver_nl80211_data *drv = bss->drv;
9289 struct nl_msg *msg;
9290 int ret;
9291
9292 msg = nlmsg_alloc();
9293 if (!msg)
9294 return;
9295
316a9e4d
JM		 9296 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
9297 (long long unsigned int) drv->send_action_cookie);
9fb04070 9298 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL);
5dfca53f 9299
7940c790
AS		 9300 if (nl80211_set_iface_id(msg, bss) < 0)
9301 goto nla_put_failure;
5dfca53f
JB		 9302 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie);
9303
9304 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9305 msg = NULL;
9306 if (ret)
9307 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
9308 "(%s)", ret, strerror(-ret));
9309
9310 nla_put_failure:
9311 nlmsg_free(msg);
9312}
9313
9314
55777702
JM		 9315static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
9316 unsigned int duration)
9317{
a2e40bb6
FF		 9318 struct i802_bss *bss = priv;
9319 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 9320 struct nl_msg *msg;
9321 int ret;
9322 u64 cookie;
9323
9324 msg = nlmsg_alloc();
9325 if (!msg)
9326 return -1;
9327
9fb04070 9328 nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL);
55777702 9329
f632e483 9330 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 9331 goto nla_put_failure;
9332
55777702
JM		 9333 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9334 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
9335
9336 cookie = 0;
9337 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5883168a 9338 msg = NULL;
55777702
JM		 9339 if (ret == 0) {
9340 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
9341 "0x%llx for freq=%u MHz duration=%u",
9342 (long long unsigned int) cookie, freq, duration);
9343 drv->remain_on_chan_cookie = cookie;
531f0331 9344 drv->pending_remain_on_chan = 1;
55777702
JM		 9345 return 0;
9346 }
9347 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 9348 "(freq=%d duration=%u): %d (%s)",
9349 freq, duration, ret, strerror(-ret));
55777702 9350nla_put_failure:
5883168a 9351 nlmsg_free(msg);
55777702
JM		 9352 return -1;
9353}
9354
9355
9356static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
9357{
a2e40bb6
FF		 9358 struct i802_bss *bss = priv;
9359 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 9360 struct nl_msg *msg;
9361 int ret;
9362
9363 if (!drv->pending_remain_on_chan) {
9364 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
9365 "to cancel");
9366 return -1;
9367 }
9368
9369 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
9370 "0x%llx",
9371 (long long unsigned int) drv->remain_on_chan_cookie);
9372
9373 msg = nlmsg_alloc();
9374 if (!msg)
9375 return -1;
9376
9fb04070 9377 nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
55777702 9378
f632e483 9379 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 9380 goto nla_put_failure;
9381
55777702
JM		 9382 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie);
9383
9384 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 9385 msg = NULL;
55777702
JM		 9386 if (ret == 0)
9387 return 0;
9388 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
9389 "%d (%s)", ret, strerror(-ret));
9390nla_put_failure:
5883168a 9391 nlmsg_free(msg);
55777702
JM		 9392 return -1;
9393}
9394
9395
9ebce9c5 9396static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 9397{
a2e40bb6 9398 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 9399
5582a5d1 9400 if (!report) {
0d891981
JM		 9401 if (bss->nl_preq && drv->device_ap_sme &&
9402 is_ap_interface(drv->nlmode)) {
9403 /*
9404 * Do not disable Probe Request reporting that was
9405 * enabled in nl80211_setup_ap().
9406 */
9407 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
9408 "Probe Request reporting nl_preq=%p while "
9409 "in AP mode", bss->nl_preq);
9410 } else if (bss->nl_preq) {
36488c05
JM		 9411 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
9412 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 9413 eloop_unregister_read_sock(
481234cf 9414 nl_socket_get_fd(bss->nl_preq));
221a59c9 9415 nl_destroy_handles(&bss->nl_preq);
5582a5d1
JB		 9416 }
9417 return 0;
9418 }
9419
481234cf 9420 if (bss->nl_preq) {
5582a5d1 9421 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 9422 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 9423 return 0;
9424 }
9425
481234cf
JM		 9426 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
9427 if (bss->nl_preq == NULL)
5582a5d1 9428 return -1;
36488c05
JM		 9429 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
9430 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 9431
481234cf 9432 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 9433 (WLAN_FC_TYPE_MGMT << 2) |
9434 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 9435 NULL, 0) < 0)
9436 goto out_err;
5582a5d1 9437
481234cf 9438 eloop_register_read_sock(nl_socket_get_fd(bss->nl_preq),
a11241fa 9439 wpa_driver_nl80211_event_receive, bss->nl_cb,
481234cf 9440 bss->nl_preq);
5582a5d1 9441
504e905c 9442 return 0;
5582a5d1 9443
a92dfde8 9444 out_err:
221a59c9 9445 nl_destroy_handles(&bss->nl_preq);
5582a5d1 9446 return -1;
504e905c
JM		 9447}
9448
9449
4e5cb1a3
JM		 9450static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
9451 int ifindex, int disabled)
9452{
9453 struct nl_msg *msg;
9454 struct nlattr *bands, *band;
9455 int ret;
9456
9457 msg = nlmsg_alloc();
9458 if (!msg)
9459 return -1;
9460
9fb04070 9461 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 9462 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
9463
9464 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
9465 if (!bands)
9466 goto nla_put_failure;
9467
9468 /*
9469 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
9470 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
9471 * rates. All 5 GHz rates are left enabled.
9472 */
9473 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
9474 if (!band)
9475 goto nla_put_failure;
1dea5882
JM		 9476 if (disabled) {
9477 NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8,
9478 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
9479 }
4e5cb1a3
JM		 9480 nla_nest_end(msg, band);
9481
9482 nla_nest_end(msg, bands);
9483
9484 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9485 msg = NULL;
9486 if (ret) {
9487 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
9488 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 9489 } else
9490 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 9491
9492 return ret;
9493
9494nla_put_failure:
9495 nlmsg_free(msg);
9496 return -1;
9497}
9498
9499
af473088
JM		 9500static int wpa_driver_nl80211_deinit_ap(void *priv)
9501{
a2e40bb6
FF		 9502 struct i802_bss *bss = priv;
9503 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 9504 if (!is_ap_interface(drv->nlmode))
af473088
JM		 9505 return -1;
9506 wpa_driver_nl80211_del_beacon(drv);
b1f625e0 9507 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 9508}
9509
9510
695c7038
SW		 9511static int wpa_driver_nl80211_stop_ap(void *priv)
9512{
9513 struct i802_bss *bss = priv;
9514 struct wpa_driver_nl80211_data *drv = bss->drv;
9515 if (!is_ap_interface(drv->nlmode))
9516 return -1;
9517 wpa_driver_nl80211_del_beacon(drv);
9518 bss->beacon_set = 0;
9519 return 0;
9520}
9521
9522
3c29244e
EP		 9523static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
9524{
9525 struct i802_bss *bss = priv;
9526 struct wpa_driver_nl80211_data *drv = bss->drv;
9527 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
9528 return -1;
9529 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
9530}
9531
9532
207ef3fb
JM		 9533static void wpa_driver_nl80211_resume(void *priv)
9534{
a2e40bb6 9535 struct i802_bss *bss = priv;
91724d6f
AS		 9536
9537 if (i802_set_iface_flags(bss, 1))
9538 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
207ef3fb
JM		 9539}
9540
9541
7b90c16a
JM		 9542static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap,
9543 const u8 *ies, size_t ies_len)
9544{
9545 struct i802_bss *bss = priv;
9546 struct wpa_driver_nl80211_data *drv = bss->drv;
9547 int ret;
9548 u8 *data, *pos;
9549 size_t data_len;
341eebee 9550 const u8 *own_addr = bss->addr;
7b90c16a
JM		 9551
9552 if (action != 1) {
9553 wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action "
9554 "action %d", action);
9555 return -1;
9556 }
9557
9558 /*
9559 * Action frame payload:
9560 * Category[1] = 6 (Fast BSS Transition)
9561 * Action[1] = 1 (Fast BSS Transition Request)
9562 * STA Address
9563 * Target AP Address
9564 * FT IEs
9565 */
9566
73fc617d
JM		 9567 data_len = 2 + 2 * ETH_ALEN + ies_len;
9568 data = os_malloc(data_len);
7b90c16a
JM		 9569 if (data == NULL)
9570 return -1;
9571 pos = data;
9572 *pos++ = 0x06; /* FT Action category */
9573 *pos++ = action;
9574 os_memcpy(pos, own_addr, ETH_ALEN);
9575 pos += ETH_ALEN;
9576 os_memcpy(pos, target_ap, ETH_ALEN);
9577 pos += ETH_ALEN;
9578 os_memcpy(pos, ies, ies_len);
9579
190b9062
JB		 9580 ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0,
9581 drv->bssid, own_addr, drv->bssid,
b106173a 9582 data, data_len, 0);
7b90c16a
JM		 9583 os_free(data);
9584
9585 return ret;
9586}
9587
9588
b625473c
JM		 9589static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
9590{
9591 struct i802_bss *bss = priv;
9592 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 9593 struct nl_msg *msg;
9594 struct nlattr *cqm;
f0494d0f 9595 int ret = -1;
b625473c
JM		 9596
9597 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
9598 "hysteresis=%d", threshold, hysteresis);
9599
9600 msg = nlmsg_alloc();
9601 if (!msg)
9602 return -1;
9603
9fb04070 9604 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM);
b625473c
JM		 9605
9606 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
9607
8970bae8 9608 cqm = nla_nest_start(msg, NL80211_ATTR_CQM);
b625473c 9609 if (cqm == NULL)
21270bb4 9610 goto nla_put_failure;
b625473c 9611
8970bae8
JB		 9612 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold);
9613 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis);
9614 nla_nest_end(msg, cqm);
21270bb4 9615
f0494d0f 9616 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 9617 msg = NULL;
9618
9619nla_put_failure:
b625473c 9620 nlmsg_free(msg);
f0494d0f 9621 return ret;
b625473c
JM		 9622}
9623
9624
2cc8d8f4
AO		 9625/* Converts nl80211_chan_width to a common format */
9626static enum chan_width convert2width(int width)
9627{
9628 switch (width) {
9629 case NL80211_CHAN_WIDTH_20_NOHT:
9630 return CHAN_WIDTH_20_NOHT;
9631 case NL80211_CHAN_WIDTH_20:
9632 return CHAN_WIDTH_20;
9633 case NL80211_CHAN_WIDTH_40:
9634 return CHAN_WIDTH_40;
9635 case NL80211_CHAN_WIDTH_80:
9636 return CHAN_WIDTH_80;
9637 case NL80211_CHAN_WIDTH_80P80:
9638 return CHAN_WIDTH_80P80;
9639 case NL80211_CHAN_WIDTH_160:
9640 return CHAN_WIDTH_160;
9641 }
9642 return CHAN_WIDTH_UNKNOWN;
9643}
9644
9645
9646static int get_channel_width(struct nl_msg *msg, void *arg)
9647{
9648 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9649 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9650 struct wpa_signal_info *sig_change = arg;
9651
9652 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9653 genlmsg_attrlen(gnlh, 0), NULL);
9654
9655 sig_change->center_frq1 = -1;
9656 sig_change->center_frq2 = -1;
9657 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
9658
9659 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
9660 sig_change->chanwidth = convert2width(
9661 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
9662 if (tb[NL80211_ATTR_CENTER_FREQ1])
9663 sig_change->center_frq1 =
9664 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
9665 if (tb[NL80211_ATTR_CENTER_FREQ2])
9666 sig_change->center_frq2 =
9667 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
9668 }
9669
9670 return NL_SKIP;
9671}
9672
9673
9674static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
9675 struct wpa_signal_info *sig)
9676{
9677 struct nl_msg *msg;
9678
9679 msg = nlmsg_alloc();
9680 if (!msg)
9681 return -ENOMEM;
9682
9683 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_INTERFACE);
9684 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
9685
9686 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
9687
9688nla_put_failure:
9689 nlmsg_free(msg);
9690 return -ENOBUFS;
9691}
9692
9693
1c5c7273
PS		 9694static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
9695{
9696 struct i802_bss *bss = priv;
9697 struct wpa_driver_nl80211_data *drv = bss->drv;
9698 int res;
9699
9700 os_memset(si, 0, sizeof(*si));
9701 res = nl80211_get_link_signal(drv, si);
9702 if (res != 0)
9703 return res;
9704
2cc8d8f4
AO		 9705 res = nl80211_get_channel_width(drv, si);
9706 if (res != 0)
9707 return res;
9708
1c5c7273
PS		 9709 return nl80211_get_link_noise(drv, si);
9710}
9711
9712
57ebba59
JJ		 9713static int wpa_driver_nl80211_shared_freq(void *priv)
9714{
9715 struct i802_bss *bss = priv;
9716 struct wpa_driver_nl80211_data *drv = bss->drv;
9717 struct wpa_driver_nl80211_data *driver;
9718 int freq = 0;
9719
9720 /*
9721 * If the same PHY is in connected state with some other interface,
9722 * then retrieve the assoc freq.
9723 */
9724 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
9725 drv->phyname);
9726
9727 dl_list_for_each(driver, &drv->global->interfaces,
9728 struct wpa_driver_nl80211_data, list) {
9729 if (drv == driver ||
9730 os_strcmp(drv->phyname, driver->phyname) != 0 ||
9731 !driver->associated)
9732 continue;
9733
9734 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
9735 MACSTR,
9736 driver->phyname, driver->first_bss.ifname,
341eebee 9737 MAC2STR(driver->first_bss.addr));
d3bd0f05
JJ		 9738 if (is_ap_interface(driver->nlmode))
9739 freq = driver->first_bss.freq;
9740 else
9741 freq = nl80211_get_assoc_freq(driver);
57ebba59
JJ		 9742 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
9743 drv->phyname, freq);
9744 }
9745
9746 if (!freq)
9747 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
9748 "PHY (%s) in associated state", drv->phyname);
9749
9750 return freq;
9751}
9752
9753
b91ab76e
JM		 9754static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
9755 int encrypt)
9756{
9757 struct i802_bss *bss = priv;
55231068
JM		 9758 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
9759 0, 0, 0, 0);
b91ab76e
JM		 9760}
9761
9762
c55f774d
JM		 9763static int nl80211_set_param(void *priv, const char *param)
9764{
c55f774d
JM		 9765 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
9766 if (param == NULL)
9767 return 0;
9768
9769#ifdef CONFIG_P2P
9770 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 9771 struct i802_bss *bss = priv;
9772 struct wpa_driver_nl80211_data *drv = bss->drv;
9773
c55f774d
JM		 9774 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
9775 "interface");
9776 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
9777 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
9778 }
851b0c55
JM		 9779
9780 if (os_strstr(param, "p2p_device=1")) {
9781 struct i802_bss *bss = priv;
9782 struct wpa_driver_nl80211_data *drv = bss->drv;
9783 drv->allow_p2p_device = 1;
9784 }
c55f774d
JM		 9785#endif /* CONFIG_P2P */
9786
9787 return 0;
9788}
9789
9790
f2ed8023
JM		 9791static void * nl80211_global_init(void)
9792{
9793 struct nl80211_global *global;
36d84860
BG		 9794 struct netlink_config *cfg;
9795
f2ed8023
JM		 9796 global = os_zalloc(sizeof(*global));
9797 if (global == NULL)
9798 return NULL;
c81eff1a 9799 global->ioctl_sock = -1;
f2ed8023 9800 dl_list_init(&global->interfaces);
ff6a158b 9801 global->if_add_ifindex = -1;
36d84860
BG		 9802
9803 cfg = os_zalloc(sizeof(*cfg));
9804 if (cfg == NULL)
9805 goto err;
9806
9807 cfg->ctx = global;
9808 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
9809 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
9810 global->netlink = netlink_init(cfg);
9811 if (global->netlink == NULL) {
9812 os_free(cfg);
9813 goto err;
9814 }
9815
2a7b66f5
BG		 9816 if (wpa_driver_nl80211_init_nl_global(global) < 0)
9817 goto err;
9818
c81eff1a
BG		 9819 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
9820 if (global->ioctl_sock < 0) {
9821 perror("socket(PF_INET,SOCK_DGRAM)");
9822 goto err;
9823 }
9824
f2ed8023 9825 return global;
36d84860
BG		 9826
9827err:
9828 nl80211_global_deinit(global);
9829 return NULL;
f2ed8023
JM		 9830}
9831
9832
9833static void nl80211_global_deinit(void *priv)
9834{
9835 struct nl80211_global *global = priv;
9836 if (global == NULL)
9837 return;
9838 if (!dl_list_empty(&global->interfaces)) {
9839 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
9840 "nl80211_global_deinit",
9841 dl_list_len(&global->interfaces));
9842 }
36d84860
BG		 9843
9844 if (global->netlink)
9845 netlink_deinit(global->netlink);
9846
276e2d67
BG		 9847 nl_destroy_handles(&global->nl);
9848
481234cf 9849 if (global->nl_event) {
d6c9aab8 9850 eloop_unregister_read_sock(
481234cf 9851 nl_socket_get_fd(global->nl_event));
d6c9aab8
JB		 9852 nl_destroy_handles(&global->nl_event);
9853 }
9854
9855 nl_cb_put(global->nl_cb);
2a7b66f5 9856
c81eff1a
BG		 9857 if (global->ioctl_sock >= 0)
9858 close(global->ioctl_sock);
9859
f2ed8023
JM		 9860 os_free(global);
9861}
9862
9863
6859f1cb
BG		 9864static const char * nl80211_get_radio_name(void *priv)
9865{
9866 struct i802_bss *bss = priv;
9867 struct wpa_driver_nl80211_data *drv = bss->drv;
9868 return drv->phyname;
9869}
9870
9871
a6efc65d
JM		 9872static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
9873 const u8 *pmkid)
9874{
9875 struct nl_msg *msg;
9876
9877 msg = nlmsg_alloc();
9878 if (!msg)
9879 return -ENOMEM;
9880
9fb04070 9881 nl80211_cmd(bss->drv, msg, 0, cmd);
a6efc65d
JM		 9882
9883 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
9884 if (pmkid)
9885 NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid);
9886 if (bssid)
9887 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
9888
9889 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
9890 nla_put_failure:
9e088e74 9891 nlmsg_free(msg);
a6efc65d
JM		 9892 return -ENOBUFS;
9893}
9894
9895
9896static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
9897{
9898 struct i802_bss *bss = priv;
9899 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
9900 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
9901}
9902
9903
9904static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
9905{
9906 struct i802_bss *bss = priv;
9907 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
9908 MAC2STR(bssid));
9909 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
9910}
9911
9912
9913static int nl80211_flush_pmkid(void *priv)
9914{
9915 struct i802_bss *bss = priv;
9916 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
9917 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
9918}
9919
9920
b14a210c
JB		 9921static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
9922 const u8 *replay_ctr)
9923{
9924 struct i802_bss *bss = priv;
9925 struct wpa_driver_nl80211_data *drv = bss->drv;
9926 struct nlattr *replay_nested;
9927 struct nl_msg *msg;
9928
9929 msg = nlmsg_alloc();
9930 if (!msg)
9931 return;
9932
9fb04070 9933 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
b14a210c
JB		 9934
9935 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
9936
9937 replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
9938 if (!replay_nested)
9939 goto nla_put_failure;
9940
9941 NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek);
9942 NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck);
9943 NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
9944 replay_ctr);
9945
9946 nla_nest_end(msg, replay_nested);
9947
9948 send_and_recv_msgs(drv, msg, NULL, NULL);
9949 return;
9950 nla_put_failure:
9951 nlmsg_free(msg);
9952}
9953
9954
39718852
JB		 9955static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
9956 const u8 *addr, int qos)
bcf24348 9957{
39718852
JB		 9958 /* send data frame to poll STA and check whether
9959 * this frame is ACKed */
bcf24348
JB		 9960 struct {
9961 struct ieee80211_hdr hdr;
9962 u16 qos_ctl;
9963 } STRUCT_PACKED nulldata;
9964 size_t size;
9965
9966 /* Send data frame to poll STA and check whether this frame is ACKed */
9967
9968 os_memset(&nulldata, 0, sizeof(nulldata));
9969
9970 if (qos) {
9971 nulldata.hdr.frame_control =
9972 IEEE80211_FC(WLAN_FC_TYPE_DATA,
9973 WLAN_FC_STYPE_QOS_NULL);
9974 size = sizeof(nulldata);
9975 } else {
9976 nulldata.hdr.frame_control =
9977 IEEE80211_FC(WLAN_FC_TYPE_DATA,
9978 WLAN_FC_STYPE_NULLFUNC);
9979 size = sizeof(struct ieee80211_hdr);
9980 }
9981
9982 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
9983 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
9984 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
9985 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
9986
9ebce9c5
JM		 9987 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
9988 0, 0) < 0)
bcf24348
JB		 9989 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
9990 "send poll frame");
9991}
9992
39718852
JB		 9993static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
9994 int qos)
9995{
9996 struct i802_bss *bss = priv;
9997 struct wpa_driver_nl80211_data *drv = bss->drv;
9998 struct nl_msg *msg;
9999
10000 if (!drv->poll_command_supported) {
10001 nl80211_send_null_frame(bss, own_addr, addr, qos);
10002 return;
10003 }
10004
10005 msg = nlmsg_alloc();
10006 if (!msg)
10007 return;
10008
10009 nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT);
10010
10011 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10012 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
10013
10014 send_and_recv_msgs(drv, msg, NULL, NULL);
10015 return;
10016 nla_put_failure:
10017 nlmsg_free(msg);
10018}
10019
bcf24348 10020
29f338af
JM		 10021static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
10022{
10023 struct nl_msg *msg;
10024
10025 msg = nlmsg_alloc();
10026 if (!msg)
10027 return -ENOMEM;
10028
10029 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE);
10030 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10031 NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE,
10032 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED);
10033 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
10034nla_put_failure:
10035 nlmsg_free(msg);
10036 return -ENOBUFS;
10037}
10038
10039
10040static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
10041 int ctwindow)
10042{
10043 struct i802_bss *bss = priv;
10044
10045 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
10046 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
10047
10048 if (opp_ps != -1 || ctwindow != -1)
10049 return -1; /* Not yet supported */
10050
10051 if (legacy_ps == -1)
10052 return 0;
10053 if (legacy_ps != 0 && legacy_ps != 1)
10054 return -1; /* Not yet supported */
10055
10056 return nl80211_set_power_save(bss, legacy_ps);
10057}
10058
10059
f90e9c1c
SW		 10060static int nl80211_start_radar_detection(void *priv, int freq)
10061{
10062 struct i802_bss *bss = priv;
10063 struct wpa_driver_nl80211_data *drv = bss->drv;
10064 struct nl_msg *msg;
10065 int ret;
10066
10067 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC)");
10068 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
10069 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
10070 "detection");
10071 return -1;
10072 }
10073
10074 msg = nlmsg_alloc();
10075 if (!msg)
10076 return -1;
10077
10078 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_RADAR_DETECT);
10079 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10080 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
10081
10082 /* only HT20 is supported at this point */
10083 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, NL80211_CHAN_HT20);
10084
10085 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10086 if (ret == 0)
10087 return 0;
10088 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
10089 "%d (%s)", ret, strerror(-ret));
10090nla_put_failure:
10091 return -1;
10092}
10093
03ea1786
AN		 10094#ifdef CONFIG_TDLS
10095
10096static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
10097 u8 dialog_token, u16 status_code,
10098 const u8 *buf, size_t len)
10099{
10100 struct i802_bss *bss = priv;
10101 struct wpa_driver_nl80211_data *drv = bss->drv;
10102 struct nl_msg *msg;
10103
10104 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10105 return -EOPNOTSUPP;
10106
10107 if (!dst)
10108 return -EINVAL;
10109
10110 msg = nlmsg_alloc();
10111 if (!msg)
10112 return -ENOMEM;
10113
10114 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT);
10115 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10116 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
10117 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code);
10118 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token);
10119 NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code);
10120 NLA_PUT(msg, NL80211_ATTR_IE, len, buf);
10121
10122 return send_and_recv_msgs(drv, msg, NULL, NULL);
10123
10124nla_put_failure:
10125 nlmsg_free(msg);
10126 return -ENOBUFS;
10127}
10128
10129
10130static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
10131{
10132 struct i802_bss *bss = priv;
10133 struct wpa_driver_nl80211_data *drv = bss->drv;
10134 struct nl_msg *msg;
10135 enum nl80211_tdls_operation nl80211_oper;
10136
10137 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10138 return -EOPNOTSUPP;
10139
10140 switch (oper) {
10141 case TDLS_DISCOVERY_REQ:
10142 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
10143 break;
10144 case TDLS_SETUP:
10145 nl80211_oper = NL80211_TDLS_SETUP;
10146 break;
10147 case TDLS_TEARDOWN:
10148 nl80211_oper = NL80211_TDLS_TEARDOWN;
10149 break;
10150 case TDLS_ENABLE_LINK:
10151 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
10152 break;
10153 case TDLS_DISABLE_LINK:
10154 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
10155 break;
10156 case TDLS_ENABLE:
10157 return 0;
10158 case TDLS_DISABLE:
10159 return 0;
10160 default:
10161 return -EINVAL;
10162 }
10163
10164 msg = nlmsg_alloc();
10165 if (!msg)
10166 return -ENOMEM;
10167
10168 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER);
10169 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper);
10170 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10171 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer);
10172
10173 return send_and_recv_msgs(drv, msg, NULL, NULL);
10174
10175nla_put_failure:
10176 nlmsg_free(msg);
10177 return -ENOBUFS;
10178}
10179
10180#endif /* CONFIG TDLS */
10181
10182
216eede8
DS		 10183#ifdef ANDROID
10184
10185typedef struct android_wifi_priv_cmd {
10186 char *buf;
10187 int used_len;
10188 int total_len;
10189} android_wifi_priv_cmd;
10190
10191static int drv_errors = 0;
10192
10193static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv)
10194{
10195 drv_errors++;
10196 if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) {
10197 drv_errors = 0;
10198 wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED");
10199 }
10200}
10201
10202
10203static int android_priv_cmd(struct i802_bss *bss, const char *cmd)
10204{
10205 struct wpa_driver_nl80211_data *drv = bss->drv;
10206 struct ifreq ifr;
10207 android_wifi_priv_cmd priv_cmd;
10208 char buf[MAX_DRV_CMD_SIZE];
10209 int ret;
10210
10211 os_memset(&ifr, 0, sizeof(ifr));
10212 os_memset(&priv_cmd, 0, sizeof(priv_cmd));
10213 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
10214
10215 os_memset(buf, 0, sizeof(buf));
10216 os_strlcpy(buf, cmd, sizeof(buf));
10217
10218 priv_cmd.buf = buf;
10219 priv_cmd.used_len = sizeof(buf);
10220 priv_cmd.total_len = sizeof(buf);
10221 ifr.ifr_data = &priv_cmd;
10222
10223 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
10224 if (ret < 0) {
10225 wpa_printf(MSG_ERROR, "%s: failed to issue private commands",
10226 __func__);
10227 wpa_driver_send_hang_msg(drv);
10228 return ret;
10229 }
10230
10231 drv_errors = 0;
10232 return 0;
10233}
10234
10235
10236static int android_pno_start(struct i802_bss *bss,
10237 struct wpa_driver_scan_params *params)
10238{
10239 struct wpa_driver_nl80211_data *drv = bss->drv;
10240 struct ifreq ifr;
10241 android_wifi_priv_cmd priv_cmd;
10242 int ret = 0, i = 0, bp;
10243 char buf[WEXT_PNO_MAX_COMMAND_SIZE];
10244
10245 bp = WEXT_PNOSETUP_HEADER_SIZE;
10246 os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp);
10247 buf[bp++] = WEXT_PNO_TLV_PREFIX;
10248 buf[bp++] = WEXT_PNO_TLV_VERSION;
10249 buf[bp++] = WEXT_PNO_TLV_SUBVERSION;
10250 buf[bp++] = WEXT_PNO_TLV_RESERVED;
10251
10252 while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) {
10253 /* Check that there is enough space needed for 1 more SSID, the
10254 * other sections and null termination */
10255 if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN +
10256 WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf))
10257 break;
10258 wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan",
a97bde0a
JM		 10259 params->ssids[i].ssid,
10260 params->ssids[i].ssid_len);
216eede8
DS		 10261 buf[bp++] = WEXT_PNO_SSID_SECTION;
10262 buf[bp++] = params->ssids[i].ssid_len;
10263 os_memcpy(&buf[bp], params->ssids[i].ssid,
10264 params->ssids[i].ssid_len);
10265 bp += params->ssids[i].ssid_len;
10266 i++;
10267 }
10268
10269 buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION;
10270 os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x",
10271 WEXT_PNO_SCAN_INTERVAL);
10272 bp += WEXT_PNO_SCAN_INTERVAL_LENGTH;
10273
10274 buf[bp++] = WEXT_PNO_REPEAT_SECTION;
10275 os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x",
10276 WEXT_PNO_REPEAT);
10277 bp += WEXT_PNO_REPEAT_LENGTH;
10278
10279 buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION;
10280 os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x",
10281 WEXT_PNO_MAX_REPEAT);
10282 bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1;
10283
10284 memset(&ifr, 0, sizeof(ifr));
10285 memset(&priv_cmd, 0, sizeof(priv_cmd));
10286 os_strncpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
10287
10288 priv_cmd.buf = buf;
10289 priv_cmd.used_len = bp;
10290 priv_cmd.total_len = bp;
10291 ifr.ifr_data = &priv_cmd;
10292
10293 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
10294
10295 if (ret < 0) {
10296 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d",
10297 ret);
10298 wpa_driver_send_hang_msg(drv);
10299 return ret;
10300 }
10301
10302 drv_errors = 0;
10303
10304 return android_priv_cmd(bss, "PNOFORCE 1");
10305}
10306
10307
10308static int android_pno_stop(struct i802_bss *bss)
10309{
10310 return android_priv_cmd(bss, "PNOFORCE 0");
10311}
10312
10313#endif /* ANDROID */
10314
10315
9ebce9c5
JM		 10316static int driver_nl80211_set_key(const char *ifname, void *priv,
10317 enum wpa_alg alg, const u8 *addr,
10318 int key_idx, int set_tx,
10319 const u8 *seq, size_t seq_len,
10320 const u8 *key, size_t key_len)
10321{
10322 struct i802_bss *bss = priv;
10323 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
10324 set_tx, seq, seq_len, key, key_len);
10325}
10326
10327
10328static int driver_nl80211_scan2(void *priv,
10329 struct wpa_driver_scan_params *params)
10330{
10331 struct i802_bss *bss = priv;
10332 return wpa_driver_nl80211_scan(bss, params);
10333}
10334
10335
10336static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
10337 int reason_code)
10338{
10339 struct i802_bss *bss = priv;
10340 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
10341}
10342
10343
10344static int driver_nl80211_authenticate(void *priv,
10345 struct wpa_driver_auth_params *params)
10346{
10347 struct i802_bss *bss = priv;
10348 return wpa_driver_nl80211_authenticate(bss, params);
10349}
10350
10351
10352static void driver_nl80211_deinit(void *priv)
10353{
10354 struct i802_bss *bss = priv;
10355 wpa_driver_nl80211_deinit(bss);
10356}
10357
10358
10359static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
10360 const char *ifname)
10361{
10362 struct i802_bss *bss = priv;
10363 return wpa_driver_nl80211_if_remove(bss, type, ifname);
10364}
10365
10366
10367static int driver_nl80211_send_mlme(void *priv, const u8 *data,
10368 size_t data_len, int noack)
10369{
10370 struct i802_bss *bss = priv;
10371 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
10372 0, 0, 0, 0);
10373}
10374
10375
10376static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
10377{
10378 struct i802_bss *bss = priv;
10379 return wpa_driver_nl80211_sta_remove(bss, addr);
10380}
10381
10382
10383#if defined(HOSTAPD) || defined(CONFIG_AP)
10384static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
10385 const char *ifname, int vlan_id)
10386{
10387 struct i802_bss *bss = priv;
10388 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
10389}
10390#endif /* HOSTAPD || CONFIG_AP */
10391
10392
10393static int driver_nl80211_read_sta_data(void *priv,
10394 struct hostap_sta_driver_data *data,
10395 const u8 *addr)
10396{
10397 struct i802_bss *bss = priv;
10398 return i802_read_sta_data(bss, data, addr);
10399}
10400
10401
10402static int driver_nl80211_send_action(void *priv, unsigned int freq,
10403 unsigned int wait_time,
10404 const u8 *dst, const u8 *src,
10405 const u8 *bssid,
10406 const u8 *data, size_t data_len,
10407 int no_cck)
10408{
10409 struct i802_bss *bss = priv;
10410 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
10411 bssid, data, data_len, no_cck);
10412}
10413
10414
10415static int driver_nl80211_probe_req_report(void *priv, int report)
10416{
10417 struct i802_bss *bss = priv;
10418 return wpa_driver_nl80211_probe_req_report(bss, report);
10419}
10420
10421
6a1ce395
DG		 10422static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
10423 const u8 *ies, size_t ies_len)
10424{
10425 int ret;
10426 struct nl_msg *msg;
10427 struct i802_bss *bss = priv;
10428 struct wpa_driver_nl80211_data *drv = bss->drv;
10429 u16 mdid = WPA_GET_LE16(md);
10430
10431 msg = nlmsg_alloc();
10432 if (!msg)
10433 return -ENOMEM;
10434
10435 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
10436 nl80211_cmd(drv, msg, 0, NL80211_CMD_UPDATE_FT_IES);
10437 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10438 NLA_PUT(msg, NL80211_ATTR_IE, ies_len, ies);
10439 NLA_PUT_U16(msg, NL80211_ATTR_MDID, mdid);
10440
10441 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10442 if (ret) {
10443 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
10444 "err=%d (%s)", ret, strerror(-ret));
10445 }
10446
10447 return ret;
10448
10449nla_put_failure:
10450 nlmsg_free(msg);
10451 return -ENOBUFS;
10452}
10453
10454
597b94f5
AS		 10455const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
10456{
10457 struct i802_bss *bss = priv;
10458 struct wpa_driver_nl80211_data *drv = bss->drv;
10459
10460 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
10461 return NULL;
10462
10463 return bss->addr;
10464}
10465
10466
3f5285e8
JM		 10467const struct wpa_driver_ops wpa_driver_nl80211_ops = {
10468 .name = "nl80211",
10469 .desc = "Linux nl80211/cfg80211",
10470 .get_bssid = wpa_driver_nl80211_get_bssid,
10471 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 10472 .set_key = driver_nl80211_set_key,
10473 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 10474 .sched_scan = wpa_driver_nl80211_sched_scan,
10475 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 10476 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
9ebce9c5
JM		 10477 .deauthenticate = driver_nl80211_deauthenticate,
10478 .authenticate = driver_nl80211_authenticate,
3f5285e8 10479 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 10480 .global_init = nl80211_global_init,
10481 .global_deinit = nl80211_global_deinit,
10482 .init2 = wpa_driver_nl80211_init,
9ebce9c5 10483 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 10484 .get_capa = wpa_driver_nl80211_get_capa,
10485 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 10486 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 10487 .set_country = wpa_driver_nl80211_set_country,
19c3b566 10488 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 10489 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 10490 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 10491 .if_remove = driver_nl80211_if_remove,
10492 .send_mlme = driver_nl80211_send_mlme,
c3965310 10493 .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
0f4e8b4f 10494 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 10495 .sta_remove = driver_nl80211_sta_remove,
db149ac9 10496 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 10497 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837
JM		 10498#ifdef HOSTAPD
10499 .hapd_init = i802_init,
c5121837 10500 .hapd_deinit = i802_deinit,
f7b3920c
JM		 10501 .set_wds_sta = i802_set_wds_sta,
10502#endif /* HOSTAPD */
10503#if defined(HOSTAPD) || defined(CONFIG_AP)
c5121837
JM		 10504 .get_seqnum = i802_get_seqnum,
10505 .flush = i802_flush,
c5121837
JM		 10506 .get_inact_sec = i802_get_inact_sec,
10507 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 10508 .set_rts = i802_set_rts,
10509 .set_frag = i802_set_frag,
c5121837 10510 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 10511 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 10512 .sta_deauth = i802_sta_deauth,
10513 .sta_disassoc = i802_sta_disassoc,
10514#endif /* HOSTAPD || CONFIG_AP */
9ebce9c5 10515 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 10516 .set_freq = i802_set_freq,
9ebce9c5 10517 .send_action = driver_nl80211_send_action,
5dfca53f 10518 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 10519 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
10520 .cancel_remain_on_channel =
10521 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 10522 .probe_req_report = driver_nl80211_probe_req_report,
af473088 10523 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 10524 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 10525 .resume = wpa_driver_nl80211_resume,
7b90c16a 10526 .send_ft_action = nl80211_send_ft_action,
b625473c 10527 .signal_monitor = nl80211_signal_monitor,
1c5c7273 10528 .signal_poll = nl80211_signal_poll,
b91ab76e 10529 .send_frame = nl80211_send_frame,
57ebba59 10530 .shared_freq = wpa_driver_nl80211_shared_freq,
c55f774d 10531 .set_param = nl80211_set_param,
6859f1cb 10532 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 10533 .add_pmkid = nl80211_add_pmkid,
10534 .remove_pmkid = nl80211_remove_pmkid,
10535 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 10536 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 10537 .poll_client = nl80211_poll_client,
29f338af 10538 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 10539 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 10540 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 10541#ifdef CONFIG_TDLS
10542 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
10543 .tdls_oper = nl80211_tdls_oper,
10544#endif /* CONFIG_TDLS */
6a1ce395 10545 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 10546 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
3f5285e8 10547};
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