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