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Fix DETACH command debug prints to avoid use of freed memory
[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);
b21990b4
AQ		 313static int nl80211_register_frame(struct i802_bss *bss,
314 struct nl_handle *hl_handle,
315 u16 type, const u8 *match, size_t match_len);
9ebce9c5
JM		 316static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
317 int report);
216eede8
DS		 318#ifdef ANDROID
319static int android_pno_start(struct i802_bss *bss,
320 struct wpa_driver_scan_params *params);
321static int android_pno_stop(struct i802_bss *bss);
322#endif /* ANDROID */
0915d02c 323
072ad14c 324#ifdef HOSTAPD
2135f224
JM		 325static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
326static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
97cfcf64 327static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
9ebce9c5 328static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
fbbfcbac
FF		 329 enum wpa_driver_if_type type,
330 const char *ifname);
37eb8da9 331#else /* HOSTAPD */
bd2df892
JM		 332static inline void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
333{
334}
335
336static inline void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
337{
338}
339
340static inline int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
37eb8da9
JM		 341{
342 return 0;
343}
072ad14c
JM		 344#endif /* HOSTAPD */
345
9ebce9c5
JM		 346static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
347 struct hostapd_freq_params *freq);
4e5cb1a3
JM		 348static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
349 int ifindex, int disabled);
504e905c 350
21bdbe38 351static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv);
536fd62d
JM		 352static int wpa_driver_nl80211_authenticate_retry(
353 struct wpa_driver_nl80211_data *drv);
21bdbe38 354
3f5285e8 355
2090a0b4
DS		 356static const char * nl80211_command_to_string(enum nl80211_commands cmd)
357{
358#define C2S(x) case x: return #x;
359 switch (cmd) {
360 C2S(NL80211_CMD_UNSPEC)
361 C2S(NL80211_CMD_GET_WIPHY)
362 C2S(NL80211_CMD_SET_WIPHY)
363 C2S(NL80211_CMD_NEW_WIPHY)
364 C2S(NL80211_CMD_DEL_WIPHY)
365 C2S(NL80211_CMD_GET_INTERFACE)
366 C2S(NL80211_CMD_SET_INTERFACE)
367 C2S(NL80211_CMD_NEW_INTERFACE)
368 C2S(NL80211_CMD_DEL_INTERFACE)
369 C2S(NL80211_CMD_GET_KEY)
370 C2S(NL80211_CMD_SET_KEY)
371 C2S(NL80211_CMD_NEW_KEY)
372 C2S(NL80211_CMD_DEL_KEY)
373 C2S(NL80211_CMD_GET_BEACON)
374 C2S(NL80211_CMD_SET_BEACON)
375 C2S(NL80211_CMD_START_AP)
376 C2S(NL80211_CMD_STOP_AP)
377 C2S(NL80211_CMD_GET_STATION)
378 C2S(NL80211_CMD_SET_STATION)
379 C2S(NL80211_CMD_NEW_STATION)
380 C2S(NL80211_CMD_DEL_STATION)
381 C2S(NL80211_CMD_GET_MPATH)
382 C2S(NL80211_CMD_SET_MPATH)
383 C2S(NL80211_CMD_NEW_MPATH)
384 C2S(NL80211_CMD_DEL_MPATH)
385 C2S(NL80211_CMD_SET_BSS)
386 C2S(NL80211_CMD_SET_REG)
387 C2S(NL80211_CMD_REQ_SET_REG)
388 C2S(NL80211_CMD_GET_MESH_CONFIG)
389 C2S(NL80211_CMD_SET_MESH_CONFIG)
390 C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
391 C2S(NL80211_CMD_GET_REG)
392 C2S(NL80211_CMD_GET_SCAN)
393 C2S(NL80211_CMD_TRIGGER_SCAN)
394 C2S(NL80211_CMD_NEW_SCAN_RESULTS)
395 C2S(NL80211_CMD_SCAN_ABORTED)
396 C2S(NL80211_CMD_REG_CHANGE)
397 C2S(NL80211_CMD_AUTHENTICATE)
398 C2S(NL80211_CMD_ASSOCIATE)
399 C2S(NL80211_CMD_DEAUTHENTICATE)
400 C2S(NL80211_CMD_DISASSOCIATE)
401 C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
402 C2S(NL80211_CMD_REG_BEACON_HINT)
403 C2S(NL80211_CMD_JOIN_IBSS)
404 C2S(NL80211_CMD_LEAVE_IBSS)
405 C2S(NL80211_CMD_TESTMODE)
406 C2S(NL80211_CMD_CONNECT)
407 C2S(NL80211_CMD_ROAM)
408 C2S(NL80211_CMD_DISCONNECT)
409 C2S(NL80211_CMD_SET_WIPHY_NETNS)
410 C2S(NL80211_CMD_GET_SURVEY)
411 C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
412 C2S(NL80211_CMD_SET_PMKSA)
413 C2S(NL80211_CMD_DEL_PMKSA)
414 C2S(NL80211_CMD_FLUSH_PMKSA)
415 C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
416 C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
417 C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
418 C2S(NL80211_CMD_REGISTER_FRAME)
419 C2S(NL80211_CMD_FRAME)
420 C2S(NL80211_CMD_FRAME_TX_STATUS)
421 C2S(NL80211_CMD_SET_POWER_SAVE)
422 C2S(NL80211_CMD_GET_POWER_SAVE)
423 C2S(NL80211_CMD_SET_CQM)
424 C2S(NL80211_CMD_NOTIFY_CQM)
425 C2S(NL80211_CMD_SET_CHANNEL)
426 C2S(NL80211_CMD_SET_WDS_PEER)
427 C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
428 C2S(NL80211_CMD_JOIN_MESH)
429 C2S(NL80211_CMD_LEAVE_MESH)
430 C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
431 C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
432 C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
433 C2S(NL80211_CMD_GET_WOWLAN)
434 C2S(NL80211_CMD_SET_WOWLAN)
435 C2S(NL80211_CMD_START_SCHED_SCAN)
436 C2S(NL80211_CMD_STOP_SCHED_SCAN)
437 C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
438 C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
439 C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
440 C2S(NL80211_CMD_PMKSA_CANDIDATE)
441 C2S(NL80211_CMD_TDLS_OPER)
442 C2S(NL80211_CMD_TDLS_MGMT)
443 C2S(NL80211_CMD_UNEXPECTED_FRAME)
444 C2S(NL80211_CMD_PROBE_CLIENT)
445 C2S(NL80211_CMD_REGISTER_BEACONS)
446 C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
447 C2S(NL80211_CMD_SET_NOACK_MAP)
448 C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
449 C2S(NL80211_CMD_START_P2P_DEVICE)
450 C2S(NL80211_CMD_STOP_P2P_DEVICE)
451 C2S(NL80211_CMD_CONN_FAILED)
452 C2S(NL80211_CMD_SET_MCAST_RATE)
453 C2S(NL80211_CMD_SET_MAC_ACL)
454 C2S(NL80211_CMD_RADAR_DETECT)
455 C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
456 C2S(NL80211_CMD_UPDATE_FT_IES)
457 C2S(NL80211_CMD_FT_EVENT)
458 C2S(NL80211_CMD_CRIT_PROTOCOL_START)
459 C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
460 default:
461 return "NL80211_CMD_UNKNOWN";
462 }
463#undef C2S
464}
465
466
b1f625e0
EP		 467static int is_ap_interface(enum nl80211_iftype nlmode)
468{
469 return (nlmode == NL80211_IFTYPE_AP ||
470 nlmode == NL80211_IFTYPE_P2P_GO);
471}
472
473
474static int is_sta_interface(enum nl80211_iftype nlmode)
475{
476 return (nlmode == NL80211_IFTYPE_STATION ||
477 nlmode == NL80211_IFTYPE_P2P_CLIENT);
478}
479
480
6a71413e 481static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2
JM		 482{
483 return (nlmode == NL80211_IFTYPE_P2P_CLIENT ||
484 nlmode == NL80211_IFTYPE_P2P_GO);
485}
486
487
add9b7a4
JM		 488static void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
489{
490 if (drv->associated)
491 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
492 drv->associated = 0;
493 os_memset(drv->bssid, 0, ETH_ALEN);
494}
495
496
f5a8d422
JM		 497struct nl80211_bss_info_arg {
498 struct wpa_driver_nl80211_data *drv;
499 struct wpa_scan_results *res;
500 unsigned int assoc_freq;
20f5a4c2 501 u8 assoc_bssid[ETH_ALEN];
f5a8d422
JM		 502};
503
504static int bss_info_handler(struct nl_msg *msg, void *arg);
505
506
6241fcb1
JM		 507/* nl80211 code */
508static int ack_handler(struct nl_msg *msg, void *arg)
509{
510 int *err = arg;
511 *err = 0;
512 return NL_STOP;
513}
514
515static int finish_handler(struct nl_msg *msg, void *arg)
516{
8e8df255
JM		 517 int *ret = arg;
518 *ret = 0;
6241fcb1
JM		 519 return NL_SKIP;
520}
521
522static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
523 void *arg)
524{
525 int *ret = arg;
526 *ret = err->error;
527 return NL_SKIP;
528}
529
5b7b85f6
JM		 530
531static int no_seq_check(struct nl_msg *msg, void *arg)
532{
533 return NL_OK;
534}
535
536
d6c9aab8 537static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 538 struct nl_handle *nl_handle, struct nl_msg *msg,
539 int (*valid_handler)(struct nl_msg *, void *),
540 void *valid_data)
6241fcb1
JM		 541{
542 struct nl_cb *cb;
543 int err = -ENOMEM;
544
d6c9aab8 545 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 546 if (!cb)
547 goto out;
548
58f6fbe0 549 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 550 if (err < 0)
551 goto out;
552
553 err = 1;
554
555 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 556 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 557 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
558
559 if (valid_handler)
560 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
561 valid_handler, valid_data);
562
563 while (err > 0)
58f6fbe0 564 nl_recvmsgs(nl_handle, cb);
6241fcb1
JM		 565 out:
566 nl_cb_put(cb);
567 nlmsg_free(msg);
568 return err;
569}
570
571
d6c9aab8
JB		 572static int send_and_recv_msgs_global(struct nl80211_global *global,
573 struct nl_msg *msg,
574 int (*valid_handler)(struct nl_msg *, void *),
575 void *valid_data)
576{
481234cf 577 return send_and_recv(global, global->nl, msg, valid_handler,
d6c9aab8
JB		 578 valid_data);
579}
580
581
58f6fbe0
JM		 582static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
583 struct nl_msg *msg,
584 int (*valid_handler)(struct nl_msg *, void *),
585 void *valid_data)
586{
481234cf 587 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 588 valid_handler, valid_data);
58f6fbe0
JM		 589}
590
591
97865538
JM		 592struct family_data {
593 const char *group;
594 int id;
595};
596
597
d3aaef80
DS		 598static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
599{
600 if (bss->wdev_id_set)
601 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
602 else
603 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
604 return 0;
605
606nla_put_failure:
607 return -1;
608}
609
610
97865538
JM		 611static int family_handler(struct nl_msg *msg, void *arg)
612{
613 struct family_data *res = arg;
614 struct nlattr *tb[CTRL_ATTR_MAX + 1];
615 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
616 struct nlattr *mcgrp;
617 int i;
618
619 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
620 genlmsg_attrlen(gnlh, 0), NULL);
621 if (!tb[CTRL_ATTR_MCAST_GROUPS])
622 return NL_SKIP;
623
624 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
625 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
626 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
627 nla_len(mcgrp), NULL);
628 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
629 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
630 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
631 res->group,
632 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
633 continue;
634 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
635 break;
636 };
637
638 return NL_SKIP;
639}
640
641
d6c9aab8 642static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 643 const char *family, const char *group)
644{
645 struct nl_msg *msg;
646 int ret = -1;
647 struct family_data res = { group, -ENOENT };
648
649 msg = nlmsg_alloc();
650 if (!msg)
651 return -ENOMEM;
481234cf 652 genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
97865538
JM		 653 0, 0, CTRL_CMD_GETFAMILY, 0);
654 NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
655
d6c9aab8 656 ret = send_and_recv_msgs_global(global, msg, family_handler, &res);
97865538
JM		 657 msg = NULL;
658 if (ret == 0)
659 ret = res.id;
660
661nla_put_failure:
662 nlmsg_free(msg);
663 return ret;
664}
665
666
9fb04070
JM		 667static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
668 struct nl_msg *msg, int flags, uint8_t cmd)
669{
335d42b1 670 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 671 0, flags, cmd, 0);
9fb04070
JM		 672}
673
674
e32ad281
JB		 675struct wiphy_idx_data {
676 int wiphy_idx;
01517c8b 677 enum nl80211_iftype nlmode;
597b94f5 678 u8 *macaddr;
e32ad281
JB		 679};
680
681
682static int netdev_info_handler(struct nl_msg *msg, void *arg)
683{
684 struct nlattr *tb[NL80211_ATTR_MAX + 1];
685 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
686 struct wiphy_idx_data *info = arg;
687
688 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
689 genlmsg_attrlen(gnlh, 0), NULL);
690
691 if (tb[NL80211_ATTR_WIPHY])
692 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
693
01517c8b
JB		 694 if (tb[NL80211_ATTR_IFTYPE])
695 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
696
597b94f5
AS		 697 if (tb[NL80211_ATTR_MAC] && info->macaddr)
698 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
699 ETH_ALEN);
700
e32ad281
JB		 701 return NL_SKIP;
702}
703
704
705static int nl80211_get_wiphy_index(struct i802_bss *bss)
706{
707 struct nl_msg *msg;
708 struct wiphy_idx_data data = {
709 .wiphy_idx = -1,
597b94f5 710 .macaddr = NULL,
e32ad281
JB		 711 };
712
713 msg = nlmsg_alloc();
714 if (!msg)
8e12685c 715 return NL80211_IFTYPE_UNSPECIFIED;
e32ad281
JB		 716
717 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
718
27ce1d64
AS		 719 if (nl80211_set_iface_id(msg, bss) < 0)
720 goto nla_put_failure;
e32ad281
JB		 721
722 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
723 return data.wiphy_idx;
724 msg = NULL;
725nla_put_failure:
726 nlmsg_free(msg);
727 return -1;
728}
729
730
01517c8b
JB		 731static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
732{
733 struct nl_msg *msg;
734 struct wiphy_idx_data data = {
597b94f5
AS		 735 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
736 .macaddr = NULL,
01517c8b
JB		 737 };
738
739 msg = nlmsg_alloc();
740 if (!msg)
741 return -1;
742
743 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
744
f632e483
AS		 745 if (nl80211_set_iface_id(msg, bss) < 0)
746 goto nla_put_failure;
01517c8b
JB		 747
748 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
749 return data.nlmode;
750 msg = NULL;
751nla_put_failure:
752 nlmsg_free(msg);
753 return NL80211_IFTYPE_UNSPECIFIED;
754}
01517c8b
JB		 755
756
597b94f5
AS		 757#ifndef HOSTAPD
758static int nl80211_get_macaddr(struct i802_bss *bss)
759{
760 struct nl_msg *msg;
761 struct wiphy_idx_data data = {
762 .macaddr = bss->addr,
763 };
764
765 msg = nlmsg_alloc();
766 if (!msg)
767 return NL80211_IFTYPE_UNSPECIFIED;
768
769 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
770 if (nl80211_set_iface_id(msg, bss) < 0)
771 goto nla_put_failure;
772
773 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
774
775nla_put_failure:
776 nlmsg_free(msg);
777 return NL80211_IFTYPE_UNSPECIFIED;
778}
779#endif /* HOSTAPD */
780
781
e32ad281
JB		 782static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
783 struct nl80211_wiphy_data *w)
784{
785 struct nl_msg *msg;
786 int ret = -1;
787
788 msg = nlmsg_alloc();
789 if (!msg)
790 return -1;
791
792 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS);
793
794 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx);
795
481234cf 796 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 797 msg = NULL;
798 if (ret) {
799 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
800 "failed: ret=%d (%s)",
801 ret, strerror(-ret));
802 goto nla_put_failure;
803 }
804 ret = 0;
805nla_put_failure:
806 nlmsg_free(msg);
807 return ret;
808}
809
810
811static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
812{
813 struct nl80211_wiphy_data *w = eloop_ctx;
814
ee9fc67a 815 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281
JB		 816
817 nl_recvmsgs(handle, w->nl_cb);
818}
819
820
821static int process_beacon_event(struct nl_msg *msg, void *arg)
822{
823 struct nl80211_wiphy_data *w = arg;
824 struct wpa_driver_nl80211_data *drv;
825 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
826 struct nlattr *tb[NL80211_ATTR_MAX + 1];
827 union wpa_event_data event;
828
829 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
830 genlmsg_attrlen(gnlh, 0), NULL);
831
832 if (gnlh->cmd != NL80211_CMD_FRAME) {
833 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
834 gnlh->cmd);
835 return NL_SKIP;
836 }
837
838 if (!tb[NL80211_ATTR_FRAME])
839 return NL_SKIP;
840
841 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
842 wiphy_list) {
843 os_memset(&event, 0, sizeof(event));
844 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
845 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
846 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
847 }
848
849 return NL_SKIP;
850}
851
852
853static struct nl80211_wiphy_data *
854nl80211_get_wiphy_data_ap(struct i802_bss *bss)
855{
856 static DEFINE_DL_LIST(nl80211_wiphys);
857 struct nl80211_wiphy_data *w;
858 int wiphy_idx, found = 0;
859 struct i802_bss *tmp_bss;
860
861 if (bss->wiphy_data != NULL)
862 return bss->wiphy_data;
863
864 wiphy_idx = nl80211_get_wiphy_index(bss);
865
866 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
867 if (w->wiphy_idx == wiphy_idx)
868 goto add;
869 }
870
871 /* alloc new one */
872 w = os_zalloc(sizeof(*w));
873 if (w == NULL)
874 return NULL;
875 w->wiphy_idx = wiphy_idx;
876 dl_list_init(&w->bsss);
877 dl_list_init(&w->drvs);
878
879 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
880 if (!w->nl_cb) {
881 os_free(w);
882 return NULL;
883 }
884 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
885 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
886 w);
887
481234cf
JM		 888 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
889 "wiphy beacons");
890 if (w->nl_beacons == NULL) {
e32ad281
JB		 891 os_free(w);
892 return NULL;
893 }
894
895 if (nl80211_register_beacons(bss->drv, w)) {
896 nl_destroy_handles(&w->nl_beacons);
897 os_free(w);
898 return NULL;
899 }
900
481234cf
JM		 901 eloop_register_read_sock(nl_socket_get_fd(w->nl_beacons),
902 nl80211_recv_beacons, w, w->nl_beacons);
e32ad281
JB		 903
904 dl_list_add(&nl80211_wiphys, &w->list);
905
906add:
907 /* drv entry for this bss already there? */
908 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
909 if (tmp_bss->drv == bss->drv) {
910 found = 1;
911 break;
912 }
913 }
914 /* if not add it */
915 if (!found)
916 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
917
918 dl_list_add(&w->bsss, &bss->wiphy_list);
919 bss->wiphy_data = w;
920 return w;
921}
922
923
924static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
925{
926 struct nl80211_wiphy_data *w = bss->wiphy_data;
927 struct i802_bss *tmp_bss;
928 int found = 0;
929
930 if (w == NULL)
931 return;
932 bss->wiphy_data = NULL;
933 dl_list_del(&bss->wiphy_list);
934
935 /* still any for this drv present? */
936 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
937 if (tmp_bss->drv == bss->drv) {
938 found = 1;
939 break;
940 }
941 }
942 /* if not remove it */
943 if (!found)
944 dl_list_del(&bss->drv->wiphy_list);
945
946 if (!dl_list_empty(&w->bsss))
947 return;
948
481234cf 949 eloop_unregister_read_sock(nl_socket_get_fd(w->nl_beacons));
e32ad281
JB		 950
951 nl_cb_put(w->nl_cb);
952 nl_destroy_handles(&w->nl_beacons);
953 dl_list_del(&w->list);
954 os_free(w);
955}
956
957
3f5285e8
JM		 958static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
959{
a2e40bb6
FF		 960 struct i802_bss *bss = priv;
961 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 962 if (!drv->associated)
963 return -1;
964 os_memcpy(bssid, drv->bssid, ETH_ALEN);
965 return 0;
3f5285e8
JM		 966}
967
968
3f5285e8
JM		 969static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
970{
a2e40bb6
FF		 971 struct i802_bss *bss = priv;
972 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 973 if (!drv->associated)
974 return -1;
975 os_memcpy(ssid, drv->ssid, drv->ssid_len);
976 return drv->ssid_len;
3f5285e8
JM		 977}
978
979
7524cfb1 980static void wpa_driver_nl80211_event_link(struct wpa_driver_nl80211_data *drv,
08063178 981 char *buf, size_t len, int del)
3f5285e8
JM		 982{
983 union wpa_event_data event;
984
985 os_memset(&event, 0, sizeof(event));
986 if (len > sizeof(event.interface_status.ifname))
987 len = sizeof(event.interface_status.ifname) - 1;
988 os_memcpy(event.interface_status.ifname, buf, len);
989 event.interface_status.ievent = del ? EVENT_INTERFACE_REMOVED :
990 EVENT_INTERFACE_ADDED;
991
992 wpa_printf(MSG_DEBUG, "RTM_%sLINK, IFLA_IFNAME: Interface '%s' %s",
993 del ? "DEL" : "NEW",
994 event.interface_status.ifname,
995 del ? "removed" : "added");
996
a2e40bb6 997 if (os_strcmp(drv->first_bss.ifname, event.interface_status.ifname) == 0) {
d1f4942b
JM		 998 if (del) {
999 if (drv->if_removed) {
1000 wpa_printf(MSG_DEBUG, "nl80211: if_removed "
1001 "already set - ignore event");
1002 return;
1003 }
7524cfb1 1004 drv->if_removed = 1;
d1f4942b
JM		 1005 } else {
1006 if (if_nametoindex(drv->first_bss.ifname) == 0) {
1007 wpa_printf(MSG_DEBUG, "nl80211: Interface %s "
1008 "does not exist - ignore "
1009 "RTM_NEWLINK",
1010 drv->first_bss.ifname);
1011 return;
1012 }
1013 if (!drv->if_removed) {
1014 wpa_printf(MSG_DEBUG, "nl80211: if_removed "
1015 "already cleared - ignore event");
1016 return;
1017 }
7524cfb1 1018 drv->if_removed = 0;
d1f4942b 1019 }
7524cfb1
JM		 1020 }
1021
08063178 1022 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
3f5285e8
JM		 1023}
1024
1025
7524cfb1 1026static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 1027 u8 *buf, size_t len)
7524cfb1 1028{
62d680c3 1029 int attrlen, rta_len;
7524cfb1
JM		 1030 struct rtattr *attr;
1031
62d680c3
JM		 1032 attrlen = len;
1033 attr = (struct rtattr *) buf;
7524cfb1
JM		 1034
1035 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1036 while (RTA_OK(attr, attrlen)) {
1037 if (attr->rta_type == IFLA_IFNAME) {
a2e40bb6 1038 if (os_strcmp(((char *) attr) + rta_len, drv->first_bss.ifname)
7524cfb1
JM		 1039 == 0)
1040 return 1;
1041 else
1042 break;
1043 }
1044 attr = RTA_NEXT(attr, attrlen);
1045 }
1046
1047 return 0;
1048}
1049
1050
1051static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 1052 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 1053{
1054 if (drv->ifindex == ifindex)
1055 return 1;
1056
62d680c3 1057 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
7524cfb1
JM		 1058 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
1059 "interface");
1060 wpa_driver_nl80211_finish_drv_init(drv);
1061 return 1;
1062 }
1063
1064 return 0;
1065}
1066
1067
36d84860
BG		 1068static struct wpa_driver_nl80211_data *
1069nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
1070{
1071 struct wpa_driver_nl80211_data *drv;
1072 dl_list_for_each(drv, &global->interfaces,
1073 struct wpa_driver_nl80211_data, list) {
1074 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
1075 have_ifidx(drv, idx))
1076 return drv;
1077 }
1078 return NULL;
1079}
1080
1081
62d680c3
JM		 1082static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1083 struct ifinfomsg *ifi,
1084 u8 *buf, size_t len)
3f5285e8 1085{
36d84860
BG		 1086 struct nl80211_global *global = ctx;
1087 struct wpa_driver_nl80211_data *drv;
62d680c3
JM		 1088 int attrlen, rta_len;
1089 struct rtattr *attr;
97cfcf64 1090 u32 brid = 0;
aef85ba2 1091 char namebuf[IFNAMSIZ];
3f5285e8 1092
36d84860
BG		 1093 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1094 if (!drv) {
97cfcf64
B		 1095 wpa_printf(MSG_DEBUG, "nl80211: Ignore event for foreign "
1096 "ifindex %d", ifi->ifi_index);
3f5285e8
JM		 1097 return;
1098 }
1099
1100 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: operstate=%d ifi_flags=0x%x "
1101 "(%s%s%s%s)",
1102 drv->operstate, ifi->ifi_flags,
1103 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1104 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1105 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1106 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4
JM		 1107
1108 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
59d24925
JM		 1109 if (if_indextoname(ifi->ifi_index, namebuf) &&
1110 linux_iface_up(drv->global->ioctl_sock,
1111 drv->first_bss.ifname) > 0) {
1112 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1113 "event since interface %s is up", namebuf);
1114 return;
1115 }
a63063b4 1116 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
7d9c3698
JM		 1117 if (drv->ignore_if_down_event) {
1118 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1119 "event generated by mode change");
1120 drv->ignore_if_down_event = 0;
1121 } else {
1122 drv->if_disabled = 1;
1123 wpa_supplicant_event(drv->ctx,
1124 EVENT_INTERFACE_DISABLED, NULL);
1125 }
a63063b4
JM		 1126 }
1127
1128 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2
JM		 1129 if (if_indextoname(ifi->ifi_index, namebuf) &&
1130 linux_iface_up(drv->global->ioctl_sock,
1131 drv->first_bss.ifname) == 0) {
1132 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1133 "event since interface %s is down",
1134 namebuf);
d1f4942b
JM		 1135 } else if (if_nametoindex(drv->first_bss.ifname) == 0) {
1136 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1137 "event since interface %s does not exist",
1138 drv->first_bss.ifname);
1139 } else if (drv->if_removed) {
1140 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1141 "event since interface %s is marked "
1142 "removed", drv->first_bss.ifname);
aef85ba2
JM		 1143 } else {
1144 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1145 drv->if_disabled = 0;
1146 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1147 NULL);
1148 }
a63063b4
JM		 1149 }
1150
3f5285e8
JM		 1151 /*
1152 * Some drivers send the association event before the operup event--in
1153 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1154 * fails. This will hit us when wpa_supplicant does not need to do
1155 * IEEE 802.1X authentication
1156 */
1157 if (drv->operstate == 1 &&
1158 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1159 !(ifi->ifi_flags & IFF_RUNNING))
36d84860 1160 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1161 -1, IF_OPER_UP);
3f5285e8 1162
62d680c3
JM		 1163 attrlen = len;
1164 attr = (struct rtattr *) buf;
3f5285e8
JM		 1165 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1166 while (RTA_OK(attr, attrlen)) {
d8816397 1167 if (attr->rta_type == IFLA_IFNAME) {
7524cfb1 1168 wpa_driver_nl80211_event_link(
08063178 1169 drv,
7524cfb1
JM		 1170 ((char *) attr) + rta_len,
1171 attr->rta_len - rta_len, 0);
97cfcf64
B		 1172 } else if (attr->rta_type == IFLA_MASTER)
1173 brid = nla_get_u32((struct nlattr *) attr);
3f5285e8
JM		 1174 attr = RTA_NEXT(attr, attrlen);
1175 }
97cfcf64
B		 1176
1177 if (ifi->ifi_family == AF_BRIDGE && brid) {
1178 /* device has been added to bridge */
97cfcf64
B		 1179 if_indextoname(brid, namebuf);
1180 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1181 brid, namebuf);
1182 add_ifidx(drv, brid);
1183 }
3f5285e8
JM		 1184}
1185
1186
62d680c3
JM		 1187static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1188 struct ifinfomsg *ifi,
1189 u8 *buf, size_t len)
3f5285e8 1190{
36d84860
BG		 1191 struct nl80211_global *global = ctx;
1192 struct wpa_driver_nl80211_data *drv;
62d680c3
JM		 1193 int attrlen, rta_len;
1194 struct rtattr *attr;
97cfcf64 1195 u32 brid = 0;
3f5285e8 1196
36d84860
BG		 1197 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1198 if (!drv) {
1199 wpa_printf(MSG_DEBUG, "nl80211: Ignore dellink event for "
1200 "foreign ifindex %d", ifi->ifi_index);
1201 return;
1202 }
1203
62d680c3
JM		 1204 attrlen = len;
1205 attr = (struct rtattr *) buf;
3f5285e8
JM		 1206
1207 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1208 while (RTA_OK(attr, attrlen)) {
1209 if (attr->rta_type == IFLA_IFNAME) {
7524cfb1 1210 wpa_driver_nl80211_event_link(
08063178 1211 drv,
7524cfb1
JM		 1212 ((char *) attr) + rta_len,
1213 attr->rta_len - rta_len, 1);
97cfcf64
B		 1214 } else if (attr->rta_type == IFLA_MASTER)
1215 brid = nla_get_u32((struct nlattr *) attr);
3f5285e8
JM		 1216 attr = RTA_NEXT(attr, attrlen);
1217 }
97cfcf64
B		 1218
1219 if (ifi->ifi_family == AF_BRIDGE && brid) {
1220 /* device has been removed from bridge */
1221 char namebuf[IFNAMSIZ];
1222 if_indextoname(brid, namebuf);
1223 wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
1224 "%s", brid, namebuf);
1225 del_ifidx(drv, brid);
1226 }
3f5285e8
JM		 1227}
1228
1229
c2a04078
JM		 1230static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
1231 const u8 *frame, size_t len)
1232{
1233 const struct ieee80211_mgmt *mgmt;
1234 union wpa_event_data event;
1235
7d81932d 1236 wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
c2a04078
JM		 1237 mgmt = (const struct ieee80211_mgmt *) frame;
1238 if (len < 24 + sizeof(mgmt->u.auth)) {
1239 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1240 "frame");
1241 return;
1242 }
1243
e6b8efeb 1244 os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1245 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
c2a04078
JM		 1246 os_memset(&event, 0, sizeof(event));
1247 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
1248 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
569fed90
JM		 1249 event.auth.auth_transaction =
1250 le_to_host16(mgmt->u.auth.auth_transaction);
c2a04078
JM		 1251 event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
1252 if (len > 24 + sizeof(mgmt->u.auth)) {
1253 event.auth.ies = mgmt->u.auth.variable;
1254 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
1255 }
1256
1257 wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
1258}
1259
1260
f5a8d422
JM		 1261static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1262{
1263 struct nl_msg *msg;
1264 int ret;
1265 struct nl80211_bss_info_arg arg;
1266
1267 os_memset(&arg, 0, sizeof(arg));
1268 msg = nlmsg_alloc();
1269 if (!msg)
1270 goto nla_put_failure;
1271
9fb04070 1272 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422
JM		 1273 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
1274
1275 arg.drv = drv;
1276 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1277 msg = NULL;
1278 if (ret == 0) {
1279 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1280 "associated BSS from scan results: %u MHz",
1281 arg.assoc_freq);
30158a0d
SD		 1282 if (arg.assoc_freq)
1283 drv->assoc_freq = arg.assoc_freq;
1284 return drv->assoc_freq;
f5a8d422
JM		 1285 }
1286 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1287 "(%s)", ret, strerror(-ret));
1288nla_put_failure:
1289 nlmsg_free(msg);
1290 return drv->assoc_freq;
1291}
1292
1293
c2a04078
JM		 1294static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
1295 const u8 *frame, size_t len)
1296{
1297 const struct ieee80211_mgmt *mgmt;
1298 union wpa_event_data event;
1299 u16 status;
1300
7d81932d 1301 wpa_printf(MSG_DEBUG, "nl80211: Associate event");
c2a04078
JM		 1302 mgmt = (const struct ieee80211_mgmt *) frame;
1303 if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
1304 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1305 "frame");
1306 return;
1307 }
1308
1309 status = le_to_host16(mgmt->u.assoc_resp.status_code);
1310 if (status != WLAN_STATUS_SUCCESS) {
efa46078 1311 os_memset(&event, 0, sizeof(event));
59ddf221 1312 event.assoc_reject.bssid = mgmt->bssid;
efa46078
JM		 1313 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1314 event.assoc_reject.resp_ies =
1315 (u8 *) mgmt->u.assoc_resp.variable;
1316 event.assoc_reject.resp_ies_len =
1317 len - 24 - sizeof(mgmt->u.assoc_resp);
1318 }
1319 event.assoc_reject.status_code = status;
1320
1321 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
c2a04078
JM		 1322 return;
1323 }
1324
1325 drv->associated = 1;
1326 os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1327 os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
c2a04078
JM		 1328
1329 os_memset(&event, 0, sizeof(event));
1330 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1331 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
1332 event.assoc_info.resp_ies_len =
efa46078 1333 len - 24 - sizeof(mgmt->u.assoc_resp);
c2a04078
JM		 1334 }
1335
4832ecd7
JM		 1336 event.assoc_info.freq = drv->assoc_freq;
1337
c2a04078
JM		 1338 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1339}
1340
c1bb3e0a 1341
da72a1c1
ZY		 1342static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
1343 enum nl80211_commands cmd, struct nlattr *status,
1344 struct nlattr *addr, struct nlattr *req_ie,
1345 struct nlattr *resp_ie)
1346{
1347 union wpa_event_data event;
1348
7da2c527
JM		 1349 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1350 /*
1351 * Avoid reporting two association events that would confuse
1352 * the core code.
1353 */
1354 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
1355 "when using userspace SME", cmd);
1356 return;
1357 }
1358
7d81932d
JM		 1359 if (cmd == NL80211_CMD_CONNECT)
1360 wpa_printf(MSG_DEBUG, "nl80211: Connect event");
1361 else if (cmd == NL80211_CMD_ROAM)
1362 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
1363
da72a1c1
ZY		 1364 os_memset(&event, 0, sizeof(event));
1365 if (cmd == NL80211_CMD_CONNECT &&
1366 nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
df89c1c8
JM		 1367 if (addr)
1368 event.assoc_reject.bssid = nla_data(addr);
da72a1c1
ZY		 1369 if (resp_ie) {
1370 event.assoc_reject.resp_ies = nla_data(resp_ie);
1371 event.assoc_reject.resp_ies_len = nla_len(resp_ie);
1372 }
1373 event.assoc_reject.status_code = nla_get_u16(status);
1374 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
1375 return;
1376 }
1377
1378 drv->associated = 1;
add9b7a4 1379 if (addr) {
da72a1c1 1380 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
add9b7a4
JM		 1381 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
1382 }
da72a1c1
ZY		 1383
1384 if (req_ie) {
1385 event.assoc_info.req_ies = nla_data(req_ie);
1386 event.assoc_info.req_ies_len = nla_len(req_ie);
1387 }
1388 if (resp_ie) {
1389 event.assoc_info.resp_ies = nla_data(resp_ie);
1390 event.assoc_info.resp_ies_len = nla_len(resp_ie);
1391 }
1392
f5a8d422
JM		 1393 event.assoc_info.freq = nl80211_get_assoc_freq(drv);
1394
da72a1c1
ZY		 1395 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1396}
c2a04078 1397
c1bb3e0a 1398
20f5a4c2 1399static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
3d9975d5
JM		 1400 struct nlattr *reason, struct nlattr *addr,
1401 struct nlattr *by_ap)
20f5a4c2
JM		 1402{
1403 union wpa_event_data data;
a8c5b43a 1404 unsigned int locally_generated = by_ap == NULL;
20f5a4c2
JM		 1405
1406 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1407 /*
1408 * Avoid reporting two disassociation events that could
1409 * confuse the core code.
1410 */
1411 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1412 "event when using userspace SME");
1413 return;
1414 }
1415
a8c5b43a
CW		 1416 if (drv->ignore_next_local_disconnect) {
1417 drv->ignore_next_local_disconnect = 0;
1418 if (locally_generated) {
1419 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1420 "event triggered during reassociation");
1421 return;
1422 }
1423 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
1424 "disconnect but got another disconnect "
1425 "event first");
1426 }
1427
7d81932d 1428 wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
add9b7a4 1429 nl80211_mark_disconnected(drv);
20f5a4c2
JM		 1430 os_memset(&data, 0, sizeof(data));
1431 if (reason)
2e9f078c
JM		 1432 data.deauth_info.reason_code = nla_get_u16(reason);
1433 data.deauth_info.locally_generated = by_ap == NULL;
1434 wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
20f5a4c2
JM		 1435}
1436
1437
1b487b8b
TP		 1438static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
1439 struct nlattr *freq, struct nlattr *type)
1440{
1441 union wpa_event_data data;
1442 int ht_enabled = 1;
1443 int chan_offset = 0;
1444
1445 wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
1446
1447 if (!freq || !type)
1448 return;
1449
1450 switch (nla_get_u32(type)) {
1451 case NL80211_CHAN_NO_HT:
1452 ht_enabled = 0;
1453 break;
1454 case NL80211_CHAN_HT20:
1455 break;
1456 case NL80211_CHAN_HT40PLUS:
1457 chan_offset = 1;
1458 break;
1459 case NL80211_CHAN_HT40MINUS:
1460 chan_offset = -1;
1461 break;
1462 }
1463
1464 data.ch_switch.freq = nla_get_u32(freq);
1465 data.ch_switch.ht_enabled = ht_enabled;
1466 data.ch_switch.ch_offset = chan_offset;
1467
1468 wpa_supplicant_event(drv->ctx, EVENT_CH_SWITCH, &data);
1469}
1470
1471
da1fb17c
JM		 1472static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
1473 enum nl80211_commands cmd, struct nlattr *addr)
1474{
1475 union wpa_event_data event;
1476 enum wpa_event_type ev;
1477
1478 if (nla_len(addr) != ETH_ALEN)
1479 return;
1480
1481 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
1482 cmd, MAC2STR((u8 *) nla_data(addr)));
1483
1484 if (cmd == NL80211_CMD_AUTHENTICATE)
1485 ev = EVENT_AUTH_TIMED_OUT;
1486 else if (cmd == NL80211_CMD_ASSOCIATE)
1487 ev = EVENT_ASSOC_TIMED_OUT;
1488 else
1489 return;
1490
1491 os_memset(&event, 0, sizeof(event));
1492 os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
1493 wpa_supplicant_event(drv->ctx, ev, &event);
1494}
1495
1496
5582a5d1 1497static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
da873dbb
JB		 1498 struct nlattr *freq, struct nlattr *sig,
1499 const u8 *frame, size_t len)
58f6fbe0
JM		 1500{
1501 const struct ieee80211_mgmt *mgmt;
1502 union wpa_event_data event;
1503 u16 fc, stype;
da873dbb 1504 int ssi_signal = 0;
58f6fbe0 1505
cc2ada86 1506 wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
58f6fbe0
JM		 1507 mgmt = (const struct ieee80211_mgmt *) frame;
1508 if (len < 24) {
1509 wpa_printf(MSG_DEBUG, "nl80211: Too short action frame");
1510 return;
1511 }
1512
1513 fc = le_to_host16(mgmt->frame_control);
1514 stype = WLAN_FC_GET_STYPE(fc);
1515
da873dbb
JB		 1516 if (sig)
1517 ssi_signal = (s32) nla_get_u32(sig);
1518
58f6fbe0 1519 os_memset(&event, 0, sizeof(event));
5582a5d1 1520 if (freq) {
58f6fbe0 1521 event.rx_action.freq = nla_get_u32(freq);
5582a5d1
JB		 1522 drv->last_mgmt_freq = event.rx_action.freq;
1523 }
1524 if (stype == WLAN_FC_STYPE_ACTION) {
1525 event.rx_action.da = mgmt->da;
1526 event.rx_action.sa = mgmt->sa;
1527 event.rx_action.bssid = mgmt->bssid;
1528 event.rx_action.category = mgmt->u.action.category;
1529 event.rx_action.data = &mgmt->u.action.category + 1;
1530 event.rx_action.len = frame + len - event.rx_action.data;
1531 wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event);
1532 } else {
1533 event.rx_mgmt.frame = frame;
1534 event.rx_mgmt.frame_len = len;
da873dbb 1535 event.rx_mgmt.ssi_signal = ssi_signal;
5582a5d1
JB		 1536 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
1537 }
58f6fbe0
JM		 1538}
1539
1540
a11241fa
JB		 1541static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
1542 struct nlattr *cookie, const u8 *frame,
1543 size_t len, struct nlattr *ack)
58f6fbe0
JM		 1544{
1545 union wpa_event_data event;
1546 const struct ieee80211_hdr *hdr;
1547 u16 fc;
58f6fbe0 1548
7d81932d 1549 wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
a11241fa
JB		 1550 if (!is_ap_interface(drv->nlmode)) {
1551 u64 cookie_val;
58f6fbe0 1552
a11241fa
JB		 1553 if (!cookie)
1554 return;
1555
1556 cookie_val = nla_get_u64(cookie);
1557 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
1558 " cookie=0%llx%s (ack=%d)",
1559 (long long unsigned int) cookie_val,
1560 cookie_val == drv->send_action_cookie ?
1561 " (match)" : " (unknown)", ack != NULL);
1562 if (cookie_val != drv->send_action_cookie)
1563 return;
1564 }
58f6fbe0
JM		 1565
1566 hdr = (const struct ieee80211_hdr *) frame;
1567 fc = le_to_host16(hdr->frame_control);
1568
1569 os_memset(&event, 0, sizeof(event));
1570 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1571 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1572 event.tx_status.dst = hdr->addr1;
1573 event.tx_status.data = frame;
1574 event.tx_status.data_len = len;
1575 event.tx_status.ack = ack != NULL;
1576 wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
1577}
1578
1579
0544b242
JM		 1580static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
1581 enum wpa_event_type type,
1582 const u8 *frame, size_t len)
1583{
1584 const struct ieee80211_mgmt *mgmt;
1585 union wpa_event_data event;
1586 const u8 *bssid = NULL;
1587 u16 reason_code = 0;
1588
7d81932d
JM		 1589 if (type == EVENT_DEAUTH)
1590 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
1591 else
1592 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
1593
cb30b297
PS		 1594 mgmt = (const struct ieee80211_mgmt *) frame;
1595 if (len >= 24) {
1596 bssid = mgmt->bssid;
1597
add9b7a4
JM		 1598 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
1599 !drv->associated &&
1600 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
1601 os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
1602 os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
1603 /*
1604 * Avoid issues with some roaming cases where
1605 * disconnection event for the old AP may show up after
1606 * we have started connection with the new AP.
1607 */
1608 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
1609 MAC2STR(bssid),
1610 MAC2STR(drv->auth_attempt_bssid));
1611 return;
1612 }
1613
cb30b297
PS		 1614 if (drv->associated != 0 &&
1615 os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
1616 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
1617 /*
1618 * We have presumably received this deauth as a
1619 * response to a clear_state_mismatch() outgoing
1620 * deauth. Don't let it take us offline!
1621 */
1622 wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
1623 "from Unknown BSSID " MACSTR " -- ignoring",
1624 MAC2STR(bssid));
1625 return;
1626 }
1627 }
1628
add9b7a4 1629 nl80211_mark_disconnected(drv);
0544b242
JM		 1630 os_memset(&event, 0, sizeof(event));
1631
0544b242
JM		 1632 /* Note: Same offset for Reason Code in both frame subtypes */
1633 if (len >= 24 + sizeof(mgmt->u.deauth))
1634 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1635
1636 if (type == EVENT_DISASSOC) {
3d9975d5
JM		 1637 event.disassoc_info.locally_generated =
1638 !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN);
0544b242
JM		 1639 event.disassoc_info.addr = bssid;
1640 event.disassoc_info.reason_code = reason_code;
046b26a2
JM		 1641 if (frame + len > mgmt->u.disassoc.variable) {
1642 event.disassoc_info.ie = mgmt->u.disassoc.variable;
1643 event.disassoc_info.ie_len = frame + len -
1644 mgmt->u.disassoc.variable;
1645 }
0544b242 1646 } else {
3d9975d5
JM		 1647 event.deauth_info.locally_generated =
1648 !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN);
0544b242
JM		 1649 event.deauth_info.addr = bssid;
1650 event.deauth_info.reason_code = reason_code;
046b26a2
JM		 1651 if (frame + len > mgmt->u.deauth.variable) {
1652 event.deauth_info.ie = mgmt->u.deauth.variable;
1653 event.deauth_info.ie_len = frame + len -
1654 mgmt->u.deauth.variable;
1655 }
0544b242
JM		 1656 }
1657
1658 wpa_supplicant_event(drv->ctx, type, &event);
1659}
1660
1661
7d878ca7
JM		 1662static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
1663 enum wpa_event_type type,
1664 const u8 *frame, size_t len)
1665{
1666 const struct ieee80211_mgmt *mgmt;
1667 union wpa_event_data event;
1668 u16 reason_code = 0;
1669
7d81932d
JM		 1670 if (type == EVENT_UNPROT_DEAUTH)
1671 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
1672 else
1673 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
1674
7d878ca7
JM		 1675 if (len < 24)
1676 return;
1677
1678 mgmt = (const struct ieee80211_mgmt *) frame;
1679
1680 os_memset(&event, 0, sizeof(event));
1681 /* Note: Same offset for Reason Code in both frame subtypes */
1682 if (len >= 24 + sizeof(mgmt->u.deauth))
1683 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1684
1685 if (type == EVENT_UNPROT_DISASSOC) {
1686 event.unprot_disassoc.sa = mgmt->sa;
1687 event.unprot_disassoc.da = mgmt->da;
1688 event.unprot_disassoc.reason_code = reason_code;
1689 } else {
1690 event.unprot_deauth.sa = mgmt->sa;
1691 event.unprot_deauth.da = mgmt->da;
1692 event.unprot_deauth.reason_code = reason_code;
1693 }
1694
1695 wpa_supplicant_event(drv->ctx, type, &event);
1696}
1697
1698
97279d8d 1699static void mlme_event(struct i802_bss *bss,
da1fb17c 1700 enum nl80211_commands cmd, struct nlattr *frame,
58f6fbe0
JM		 1701 struct nlattr *addr, struct nlattr *timed_out,
1702 struct nlattr *freq, struct nlattr *ack,
da873dbb 1703 struct nlattr *cookie, struct nlattr *sig)
c2a04078 1704{
97279d8d
JM		 1705 struct wpa_driver_nl80211_data *drv = bss->drv;
1706 const u8 *data;
1707 size_t len;
1708
da1fb17c
JM		 1709 if (timed_out && addr) {
1710 mlme_timeout_event(drv, cmd, addr);
1711 return;
1712 }
1713
c2a04078 1714 if (frame == NULL) {
2090a0b4
DS		 1715 wpa_printf(MSG_DEBUG,
1716 "nl80211: MLME event %d (%s) without frame data",
1717 cmd, nl80211_command_to_string(cmd));
c2a04078
JM		 1718 return;
1719 }
1720
97279d8d
JM		 1721 data = nla_data(frame);
1722 len = nla_len(frame);
455299fb 1723 if (len < 4 + 2 * ETH_ALEN) {
2090a0b4
DS		 1724 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
1725 MACSTR ") - too short",
1726 cmd, nl80211_command_to_string(cmd), bss->ifname,
1727 MAC2STR(bss->addr));
97279d8d
JM		 1728 return;
1729 }
2090a0b4
DS		 1730 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
1731 ") A1=" MACSTR " A2=" MACSTR, cmd,
1732 nl80211_command_to_string(cmd), bss->ifname,
1733 MAC2STR(bss->addr), MAC2STR(data + 4),
1734 MAC2STR(data + 4 + ETH_ALEN));
97279d8d 1735 if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
455299fb
JM		 1736 os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
1737 os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
97279d8d
JM		 1738 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
1739 "for foreign address", bss->ifname);
1740 return;
1741 }
c2a04078
JM		 1742 wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
1743 nla_data(frame), nla_len(frame));
1744
1745 switch (cmd) {
1746 case NL80211_CMD_AUTHENTICATE:
1747 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
1748 break;
1749 case NL80211_CMD_ASSOCIATE:
1750 mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
1751 break;
1752 case NL80211_CMD_DEAUTHENTICATE:
0544b242
JM		 1753 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
1754 nla_data(frame), nla_len(frame));
c2a04078
JM		 1755 break;
1756 case NL80211_CMD_DISASSOCIATE:
0544b242
JM		 1757 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
1758 nla_data(frame), nla_len(frame));
c2a04078 1759 break;
bd94971e 1760 case NL80211_CMD_FRAME:
da873dbb
JB		 1761 mlme_event_mgmt(drv, freq, sig, nla_data(frame),
1762 nla_len(frame));
58f6fbe0 1763 break;
bd94971e 1764 case NL80211_CMD_FRAME_TX_STATUS:
a11241fa
JB		 1765 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
1766 nla_len(frame), ack);
58f6fbe0 1767 break;
7d878ca7
JM		 1768 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
1769 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
1770 nla_data(frame), nla_len(frame));
1771 break;
1772 case NL80211_CMD_UNPROT_DISASSOCIATE:
1773 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
1774 nla_data(frame), nla_len(frame));
1775 break;
c2a04078
JM		 1776 default:
1777 break;
1778 }
1779}
1780
1781
a5e1eb20 1782static void mlme_event_michael_mic_failure(struct i802_bss *bss,
35583f3f
JM		 1783 struct nlattr *tb[])
1784{
1785 union wpa_event_data data;
1786
1787 wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
1788 os_memset(&data, 0, sizeof(data));
1789 if (tb[NL80211_ATTR_MAC]) {
1790 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
1791 nla_data(tb[NL80211_ATTR_MAC]),
1792 nla_len(tb[NL80211_ATTR_MAC]));
ad1e68e6 1793 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
35583f3f
JM		 1794 }
1795 if (tb[NL80211_ATTR_KEY_SEQ]) {
1796 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
1797 nla_data(tb[NL80211_ATTR_KEY_SEQ]),
1798 nla_len(tb[NL80211_ATTR_KEY_SEQ]));
1799 }
1800 if (tb[NL80211_ATTR_KEY_TYPE]) {
1801 enum nl80211_key_type key_type =
1802 nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
1803 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
1804 if (key_type == NL80211_KEYTYPE_PAIRWISE)
1805 data.michael_mic_failure.unicast = 1;
1806 } else
1807 data.michael_mic_failure.unicast = 1;
1808
1809 if (tb[NL80211_ATTR_KEY_IDX]) {
1810 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
1811 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
1812 }
1813
a5e1eb20 1814 wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
35583f3f
JM		 1815}
1816
1817
5cc4d64b
JM		 1818static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
1819 struct nlattr *tb[])
1820{
b21990b4
AQ		 1821 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1822
5cc4d64b
JM		 1823 if (tb[NL80211_ATTR_MAC] == NULL) {
1824 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
1825 "event");
1826 return;
1827 }
1828 os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
b21990b4
AQ		 1829
1830 /* register for any AUTH message */
1831 nl80211_register_frame(&drv->first_bss, drv->first_bss.nl_mgmt,
1832 type, NULL, 0);
1833
5cc4d64b
JM		 1834 drv->associated = 1;
1835 wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
1836 MAC2STR(drv->bssid));
1837
1838 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1839}
1840
1841
55777702
JM		 1842static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
1843 int cancel_event, struct nlattr *tb[])
1844{
1845 unsigned int freq, chan_type, duration;
1846 union wpa_event_data data;
1847 u64 cookie;
1848
1849 if (tb[NL80211_ATTR_WIPHY_FREQ])
1850 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1851 else
1852 freq = 0;
1853
1854 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
1855 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1856 else
1857 chan_type = 0;
1858
1859 if (tb[NL80211_ATTR_DURATION])
1860 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
1861 else
1862 duration = 0;
1863
1864 if (tb[NL80211_ATTR_COOKIE])
1865 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1866 else
1867 cookie = 0;
1868
1869 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
1870 "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
1871 cancel_event, freq, chan_type, duration,
1872 (long long unsigned int) cookie,
1873 cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
1874
1875 if (cookie != drv->remain_on_chan_cookie)
1876 return; /* not for us */
1877
531f0331
JB		 1878 if (cancel_event)
1879 drv->pending_remain_on_chan = 0;
55777702
JM		 1880
1881 os_memset(&data, 0, sizeof(data));
1882 data.remain_on_channel.freq = freq;
1883 data.remain_on_channel.duration = duration;
1884 wpa_supplicant_event(drv->ctx, cancel_event ?
1885 EVENT_CANCEL_REMAIN_ON_CHANNEL :
1886 EVENT_REMAIN_ON_CHANNEL, &data);
1887}
1888
1889
6a1ce395
DG		 1890static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
1891 struct nlattr *tb[])
1892{
1893 union wpa_event_data data;
1894
1895 os_memset(&data, 0, sizeof(data));
1896
1897 if (tb[NL80211_ATTR_IE]) {
1898 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
1899 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
1900 }
1901
1902 if (tb[NL80211_ATTR_IE_RIC]) {
1903 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
1904 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
1905 }
1906
1907 if (tb[NL80211_ATTR_MAC])
1908 os_memcpy(data.ft_ies.target_ap,
1909 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1910
1911 wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
1912 MAC2STR(data.ft_ies.target_ap));
1913
1914 wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
1915}
1916
1917
8d923a4a
JM		 1918static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
1919 struct nlattr *tb[])
1920{
1921 union wpa_event_data event;
1922 struct nlattr *nl;
1923 int rem;
1924 struct scan_info *info;
1925#define MAX_REPORT_FREQS 50
1926 int freqs[MAX_REPORT_FREQS];
1927 int num_freqs = 0;
1928
536fd62d
JM		 1929 if (drv->scan_for_auth) {
1930 drv->scan_for_auth = 0;
1931 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
1932 "cfg80211 BSS entry");
1933 wpa_driver_nl80211_authenticate_retry(drv);
1934 return;
1935 }
1936
8d923a4a
JM		 1937 os_memset(&event, 0, sizeof(event));
1938 info = &event.scan_info;
1939 info->aborted = aborted;
1940
1941 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
1942 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
1943 struct wpa_driver_scan_ssid *s =
1944 &info->ssids[info->num_ssids];
1945 s->ssid = nla_data(nl);
1946 s->ssid_len = nla_len(nl);
1947 info->num_ssids++;
1948 if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1949 break;
1950 }
1951 }
1952 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1953 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1954 {
1955 freqs[num_freqs] = nla_get_u32(nl);
1956 num_freqs++;
1957 if (num_freqs == MAX_REPORT_FREQS - 1)
1958 break;
1959 }
1960 info->freqs = freqs;
1961 info->num_freqs = num_freqs;
1962 }
1963 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1964}
1965
1966
60a972a6
JM		 1967static int get_link_signal(struct nl_msg *msg, void *arg)
1968{
1969 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1970 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1971 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1972 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1973 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1974 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1975 };
7ee35bf3
PS		 1976 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1977 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1978 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1979 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1980 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1981 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1982 };
1c5c7273 1983 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1984
1985 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1986 genlmsg_attrlen(gnlh, 0), NULL);
1987 if (!tb[NL80211_ATTR_STA_INFO] ||
1988 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1989 tb[NL80211_ATTR_STA_INFO], policy))
1990 return NL_SKIP;
1991 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1992 return NL_SKIP;
1993
7ee35bf3
PS		 1994 sig_change->current_signal =
1995 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1996
95783298
AO		 1997 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1998 sig_change->avg_signal =
1999 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
2000 else
2001 sig_change->avg_signal = 0;
2002
7ee35bf3
PS		 2003 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
2004 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
2005 sinfo[NL80211_STA_INFO_TX_BITRATE],
2006 rate_policy)) {
2007 sig_change->current_txrate = 0;
2008 } else {
2009 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
2010 sig_change->current_txrate =
2011 nla_get_u16(rinfo[
2012 NL80211_RATE_INFO_BITRATE]) * 100;
2013 }
2014 }
2015 }
2016
60a972a6
JM		 2017 return NL_SKIP;
2018}
2019
2020
2021static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1c5c7273 2022 struct wpa_signal_info *sig)
60a972a6
JM		 2023{
2024 struct nl_msg *msg;
2025
7ee35bf3
PS		 2026 sig->current_signal = -9999;
2027 sig->current_txrate = 0;
60a972a6
JM		 2028
2029 msg = nlmsg_alloc();
2030 if (!msg)
2031 return -ENOMEM;
2032
9fb04070 2033 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
60a972a6
JM		 2034
2035 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2036 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
2037
2038 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
2039 nla_put_failure:
5883168a 2040 nlmsg_free(msg);
60a972a6
JM		 2041 return -ENOBUFS;
2042}
2043
2044
7ee35bf3
PS		 2045static int get_link_noise(struct nl_msg *msg, void *arg)
2046{
2047 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2048 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2049 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2050 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2051 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2052 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2053 };
1c5c7273 2054 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 2055
2056 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2057 genlmsg_attrlen(gnlh, 0), NULL);
2058
2059 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2060 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
2061 return NL_SKIP;
2062 }
2063
2064 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2065 tb[NL80211_ATTR_SURVEY_INFO],
2066 survey_policy)) {
2067 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
2068 "attributes!");
2069 return NL_SKIP;
2070 }
2071
2072 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2073 return NL_SKIP;
2074
2075 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2076 sig_change->frequency)
2077 return NL_SKIP;
2078
2079 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2080 return NL_SKIP;
2081
2082 sig_change->current_noise =
2083 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2084
2085 return NL_SKIP;
2086}
2087
2088
2089static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1c5c7273 2090 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 2091{
2092 struct nl_msg *msg;
2093
2094 sig_change->current_noise = 9999;
2095 sig_change->frequency = drv->assoc_freq;
2096
2097 msg = nlmsg_alloc();
2098 if (!msg)
2099 return -ENOMEM;
2100
9fb04070 2101 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3
PS		 2102
2103 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2104
2105 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
2106 nla_put_failure:
5883168a 2107 nlmsg_free(msg);
7ee35bf3
PS		 2108 return -ENOBUFS;
2109}
2110
2111
577db0ae
GM		 2112static int get_noise_for_scan_results(struct nl_msg *msg, void *arg)
2113{
2114 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2115 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2116 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2117 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2118 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2119 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2120 };
2121 struct wpa_scan_results *scan_results = arg;
2122 struct wpa_scan_res *scan_res;
2123 size_t i;
2124
2125 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2126 genlmsg_attrlen(gnlh, 0), NULL);
2127
2128 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2129 wpa_printf(MSG_DEBUG, "nl80211: Survey data missing");
2130 return NL_SKIP;
2131 }
2132
2133 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2134 tb[NL80211_ATTR_SURVEY_INFO],
2135 survey_policy)) {
2136 wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested "
2137 "attributes");
2138 return NL_SKIP;
2139 }
2140
2141 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2142 return NL_SKIP;
2143
2144 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2145 return NL_SKIP;
2146
2147 for (i = 0; i < scan_results->num; ++i) {
2148 scan_res = scan_results->res[i];
2149 if (!scan_res)
2150 continue;
2151 if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2152 scan_res->freq)
2153 continue;
2154 if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID))
2155 continue;
2156 scan_res->noise = (s8)
2157 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2158 scan_res->flags &= ~WPA_SCAN_NOISE_INVALID;
2159 }
2160
2161 return NL_SKIP;
2162}
2163
2164
2165static int nl80211_get_noise_for_scan_results(
2166 struct wpa_driver_nl80211_data *drv,
2167 struct wpa_scan_results *scan_res)
2168{
2169 struct nl_msg *msg;
2170
2171 msg = nlmsg_alloc();
2172 if (!msg)
2173 return -ENOMEM;
2174
2175 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
2176
2177 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2178
2179 return send_and_recv_msgs(drv, msg, get_noise_for_scan_results,
2180 scan_res);
2181 nla_put_failure:
9e088e74 2182 nlmsg_free(msg);
577db0ae
GM		 2183 return -ENOBUFS;
2184}
2185
2186
93910401
JM		 2187static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
2188 struct nlattr *tb[])
2189{
2190 static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
2191 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
2192 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
2193 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
0d7e5a3a 2194 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
93910401
JM		 2195 };
2196 struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
2197 enum nl80211_cqm_rssi_threshold_event event;
b625473c 2198 union wpa_event_data ed;
1c5c7273 2199 struct wpa_signal_info sig;
7ee35bf3 2200 int res;
93910401
JM		 2201
2202 if (tb[NL80211_ATTR_CQM] == NULL ||
2203 nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
2204 cqm_policy)) {
2205 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
2206 return;
2207 }
2208
0d7e5a3a
JB		 2209 os_memset(&ed, 0, sizeof(ed));
2210
2211 if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
2212 if (!tb[NL80211_ATTR_MAC])
2213 return;
2214 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
2215 ETH_ALEN);
2216 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
2217 return;
2218 }
2219
93910401
JM		 2220 if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
2221 return;
2222 event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
b625473c 2223
93910401
JM		 2224 if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
2225 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2226 "event: RSSI high");
b625473c 2227 ed.signal_change.above_threshold = 1;
93910401
JM		 2228 } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
2229 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2230 "event: RSSI low");
b625473c
JM		 2231 ed.signal_change.above_threshold = 0;
2232 } else
2233 return;
2234
60a972a6
JM		 2235 res = nl80211_get_link_signal(drv, &sig);
2236 if (res == 0) {
7ee35bf3
PS		 2237 ed.signal_change.current_signal = sig.current_signal;
2238 ed.signal_change.current_txrate = sig.current_txrate;
2239 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
2240 sig.current_signal, sig.current_txrate);
2241 }
2242
2243 res = nl80211_get_link_noise(drv, &sig);
2244 if (res == 0) {
2245 ed.signal_change.current_noise = sig.current_noise;
2246 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
2247 sig.current_noise);
60a972a6
JM		 2248 }
2249
b625473c 2250 wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
93910401
JM		 2251}
2252
2253
18d2ba08
JM		 2254static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
2255 struct nlattr **tb)
2256{
2257 u8 *addr;
2258 union wpa_event_data data;
2259
2260 if (tb[NL80211_ATTR_MAC] == NULL)
2261 return;
2262 addr = nla_data(tb[NL80211_ATTR_MAC]);
2263 wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
5f310a9e 2264
61cbe2ff 2265 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2266 u8 *ies = NULL;
2267 size_t ies_len = 0;
2268 if (tb[NL80211_ATTR_IE]) {
2269 ies = nla_data(tb[NL80211_ATTR_IE]);
2270 ies_len = nla_len(tb[NL80211_ATTR_IE]);
2271 }
2272 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
2273 drv_event_assoc(drv->ctx, addr, ies, ies_len, 0);
2274 return;
2275 }
2276
18d2ba08
JM		 2277 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2278 return;
2279
2280 os_memset(&data, 0, sizeof(data));
2281 os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
2282 wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data);
2283}
2284
2285
ef985058
JM		 2286static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
2287 struct nlattr **tb)
2288{
2289 u8 *addr;
2290 union wpa_event_data data;
2291
2292 if (tb[NL80211_ATTR_MAC] == NULL)
2293 return;
2294 addr = nla_data(tb[NL80211_ATTR_MAC]);
2295 wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
2296 MAC2STR(addr));
5f310a9e 2297
61cbe2ff 2298 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2299 drv_event_disassoc(drv->ctx, addr);
2300 return;
2301 }
2302
ef985058
JM		 2303 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2304 return;
2305
2306 os_memset(&data, 0, sizeof(data));
2307 os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
2308 wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
2309}
2310
2311
b14a210c
JB		 2312static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
2313 struct nlattr **tb)
2314{
2315 struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
2316 static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
2317 [NL80211_REKEY_DATA_KEK] = {
2318 .minlen = NL80211_KEK_LEN,
2319 .maxlen = NL80211_KEK_LEN,
2320 },
2321 [NL80211_REKEY_DATA_KCK] = {
2322 .minlen = NL80211_KCK_LEN,
2323 .maxlen = NL80211_KCK_LEN,
2324 },
2325 [NL80211_REKEY_DATA_REPLAY_CTR] = {
2326 .minlen = NL80211_REPLAY_CTR_LEN,
2327 .maxlen = NL80211_REPLAY_CTR_LEN,
2328 },
2329 };
2330 union wpa_event_data data;
2331
2332 if (!tb[NL80211_ATTR_MAC])
2333 return;
2334 if (!tb[NL80211_ATTR_REKEY_DATA])
2335 return;
2336 if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
2337 tb[NL80211_ATTR_REKEY_DATA], rekey_policy))
2338 return;
2339 if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
2340 return;
2341
2342 os_memset(&data, 0, sizeof(data));
2343 data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
2344 wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
2345 MAC2STR(data.driver_gtk_rekey.bssid));
2346 data.driver_gtk_rekey.replay_ctr =
2347 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
2348 wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
2349 data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
2350 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
2351}
2352
2353
c36d5242
JM		 2354static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
2355 struct nlattr **tb)
2356{
2357 struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
2358 static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
2359 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
2360 [NL80211_PMKSA_CANDIDATE_BSSID] = {
2361 .minlen = ETH_ALEN,
2362 .maxlen = ETH_ALEN,
2363 },
2364 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
2365 };
2366 union wpa_event_data data;
2367
7d81932d
JM		 2368 wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
2369
c36d5242
JM		 2370 if (!tb[NL80211_ATTR_PMKSA_CANDIDATE])
2371 return;
2372 if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
2373 tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy))
2374 return;
2375 if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
2376 !cand[NL80211_PMKSA_CANDIDATE_BSSID])
2377 return;
2378
2379 os_memset(&data, 0, sizeof(data));
2380 os_memcpy(data.pmkid_candidate.bssid,
2381 nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
2382 data.pmkid_candidate.index =
2383 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
2384 data.pmkid_candidate.preauth =
2385 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
2386 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
2387}
2388
2389
39718852
JB		 2390static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
2391 struct nlattr **tb)
2392{
2393 union wpa_event_data data;
2394
7d81932d
JM		 2395 wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
2396
39718852
JB		 2397 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
2398 return;
2399
2400 os_memset(&data, 0, sizeof(data));
2401 os_memcpy(data.client_poll.addr,
2402 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2403
2404 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
2405}
2406
2407
6201b052
JM		 2408static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
2409 struct nlattr **tb)
2410{
2411 union wpa_event_data data;
2412
2413 wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
2414
2415 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
2416 return;
2417
2418 os_memset(&data, 0, sizeof(data));
2419 os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2420 switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
2421 case NL80211_TDLS_SETUP:
2422 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
2423 MACSTR, MAC2STR(data.tdls.peer));
2424 data.tdls.oper = TDLS_REQUEST_SETUP;
2425 break;
2426 case NL80211_TDLS_TEARDOWN:
2427 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
2428 MACSTR, MAC2STR(data.tdls.peer));
2429 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
2430 break;
2431 default:
2432 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
2433 "event");
2434 return;
2435 }
2436 if (tb[NL80211_ATTR_REASON_CODE]) {
2437 data.tdls.reason_code =
2438 nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
2439 }
2440
2441 wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
2442}
2443
2444
7239ea7f
ST		 2445static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
2446 struct nlattr **tb)
2447{
2448 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
2449}
2450
2451
3140803b
RM		 2452static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
2453 struct nlattr **tb)
2454{
2455 union wpa_event_data data;
2456 u32 reason;
2457
2458 wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
2459
2460 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
2461 return;
2462
2463 os_memset(&data, 0, sizeof(data));
2464 os_memcpy(data.connect_failed_reason.addr,
2465 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2466
2467 reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
2468 switch (reason) {
2469 case NL80211_CONN_FAIL_MAX_CLIENTS:
2470 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
2471 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
2472 break;
2473 case NL80211_CONN_FAIL_BLOCKED_CLIENT:
2474 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
2475 " tried to connect",
2476 MAC2STR(data.connect_failed_reason.addr));
2477 data.connect_failed_reason.code = BLOCKED_CLIENT;
2478 break;
2479 default:
2480 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
2481 "%u", reason);
2482 return;
2483 }
2484
2485 wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
2486}
2487
2488
04be54fa
SW		 2489static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
2490 struct nlattr **tb)
2491{
2492 union wpa_event_data data;
2493 enum nl80211_radar_event event_type;
2494
2495 if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
2496 return;
2497
2498 os_memset(&data, 0, sizeof(data));
2499 data.dfs_event.freq = nla_get_u16(tb[NL80211_ATTR_WIPHY_FREQ]);
2500 event_type = nla_get_u8(tb[NL80211_ATTR_RADAR_EVENT]);
2501
2502 wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz",
2503 data.dfs_event.freq);
2504
2505 switch (event_type) {
2506 case NL80211_RADAR_DETECTED:
2507 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
2508 break;
2509 case NL80211_RADAR_CAC_FINISHED:
2510 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
2511 break;
2512 case NL80211_RADAR_CAC_ABORTED:
2513 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
2514 break;
2515 case NL80211_RADAR_NOP_FINISHED:
2516 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
2517 break;
2518 default:
2519 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
2520 "received", event_type);
2521 break;
2522 }
2523}
2524
2525
3088e4e5
JB		 2526static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
2527 int wds)
02bb32c3
JB		 2528{
2529 struct wpa_driver_nl80211_data *drv = bss->drv;
2530 union wpa_event_data event;
02bb32c3
JB		 2531
2532 if (!tb[NL80211_ATTR_MAC])
2533 return;
2534
02bb32c3 2535 os_memset(&event, 0, sizeof(event));
341eebee 2536 event.rx_from_unknown.bssid = bss->addr;
02bb32c3 2537 event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
3088e4e5 2538 event.rx_from_unknown.wds = wds;
02bb32c3
JB		 2539
2540 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
2541}
2542
2543
a5e1eb20
SE		 2544static void do_process_drv_event(struct i802_bss *bss, int cmd,
2545 struct nlattr **tb)
97865538 2546{
a5e1eb20
SE		 2547 struct wpa_driver_nl80211_data *drv = bss->drv;
2548
2090a0b4
DS		 2549 wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
2550 cmd, nl80211_command_to_string(cmd), bss->ifname);
2551
b1f625e0 2552 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
d6c9aab8
JB		 2553 (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2554 cmd == NL80211_CMD_SCAN_ABORTED)) {
a2e40bb6 2555 wpa_driver_nl80211_set_mode(&drv->first_bss,
b1f625e0
EP		 2556 drv->ap_scan_as_station);
2557 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6
JM		 2558 }
2559
d6c9aab8 2560 switch (cmd) {
d942a79e 2561 case NL80211_CMD_TRIGGER_SCAN:
565110cd 2562 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
d942a79e 2563 break;
d21c63b9 2564 case NL80211_CMD_START_SCHED_SCAN:
565110cd 2565 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
d21c63b9
LC		 2566 break;
2567 case NL80211_CMD_SCHED_SCAN_STOPPED:
565110cd 2568 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
d21c63b9
LC		 2569 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2570 break;
97865538 2571 case NL80211_CMD_NEW_SCAN_RESULTS:
565110cd
JM		 2572 wpa_dbg(drv->ctx, MSG_DEBUG,
2573 "nl80211: New scan results available");
97865538
JM		 2574 drv->scan_complete_events = 1;
2575 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2576 drv->ctx);
8d923a4a 2577 send_scan_event(drv, 0, tb);
97865538 2578 break;
d21c63b9 2579 case NL80211_CMD_SCHED_SCAN_RESULTS:
565110cd
JM		 2580 wpa_dbg(drv->ctx, MSG_DEBUG,
2581 "nl80211: New sched scan results available");
d21c63b9
LC		 2582 send_scan_event(drv, 0, tb);
2583 break;
97865538 2584 case NL80211_CMD_SCAN_ABORTED:
565110cd 2585 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
97865538
JM		 2586 /*
2587 * Need to indicate that scan results are available in order
2588 * not to make wpa_supplicant stop its scanning.
2589 */
2590 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2591 drv->ctx);
8d923a4a 2592 send_scan_event(drv, 1, tb);
97865538 2593 break;
c2a04078
JM		 2594 case NL80211_CMD_AUTHENTICATE:
2595 case NL80211_CMD_ASSOCIATE:
2596 case NL80211_CMD_DEAUTHENTICATE:
2597 case NL80211_CMD_DISASSOCIATE:
bd94971e 2598 case NL80211_CMD_FRAME_TX_STATUS:
7d878ca7
JM		 2599 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2600 case NL80211_CMD_UNPROT_DISASSOCIATE:
97279d8d 2601 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
58f6fbe0
JM		 2602 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2603 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2604 tb[NL80211_ATTR_COOKIE],
2605 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
c2a04078 2606 break;
da72a1c1
ZY		 2607 case NL80211_CMD_CONNECT:
2608 case NL80211_CMD_ROAM:
d6c9aab8 2609 mlme_event_connect(drv, cmd,
da72a1c1
ZY		 2610 tb[NL80211_ATTR_STATUS_CODE],
2611 tb[NL80211_ATTR_MAC],
2612 tb[NL80211_ATTR_REQ_IE],
2613 tb[NL80211_ATTR_RESP_IE]);
2614 break;
1b487b8b
TP		 2615 case NL80211_CMD_CH_SWITCH_NOTIFY:
2616 mlme_event_ch_switch(drv, tb[NL80211_ATTR_WIPHY_FREQ],
2617 tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2618 break;
da72a1c1 2619 case NL80211_CMD_DISCONNECT:
20f5a4c2 2620 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
3d9975d5
JM		 2621 tb[NL80211_ATTR_MAC],
2622 tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
da72a1c1 2623 break;
35583f3f 2624 case NL80211_CMD_MICHAEL_MIC_FAILURE:
a5e1eb20 2625 mlme_event_michael_mic_failure(bss, tb);
35583f3f 2626 break;
5cc4d64b
JM		 2627 case NL80211_CMD_JOIN_IBSS:
2628 mlme_event_join_ibss(drv, tb);
2629 break;
55777702
JM		 2630 case NL80211_CMD_REMAIN_ON_CHANNEL:
2631 mlme_event_remain_on_channel(drv, 0, tb);
2632 break;
2633 case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2634 mlme_event_remain_on_channel(drv, 1, tb);
2635 break;
93910401
JM		 2636 case NL80211_CMD_NOTIFY_CQM:
2637 nl80211_cqm_event(drv, tb);
2638 break;
33c5deb8
JM		 2639 case NL80211_CMD_REG_CHANGE:
2640 wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
2641 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2642 NULL);
2643 break;
2644 case NL80211_CMD_REG_BEACON_HINT:
2645 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2646 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2647 NULL);
2648 break;
18d2ba08
JM		 2649 case NL80211_CMD_NEW_STATION:
2650 nl80211_new_station_event(drv, tb);
2651 break;
ef985058
JM		 2652 case NL80211_CMD_DEL_STATION:
2653 nl80211_del_station_event(drv, tb);
2654 break;
b14a210c
JB		 2655 case NL80211_CMD_SET_REKEY_OFFLOAD:
2656 nl80211_rekey_offload_event(drv, tb);
2657 break;
c36d5242
JM		 2658 case NL80211_CMD_PMKSA_CANDIDATE:
2659 nl80211_pmksa_candidate_event(drv, tb);
2660 break;
39718852
JB		 2661 case NL80211_CMD_PROBE_CLIENT:
2662 nl80211_client_probe_event(drv, tb);
2663 break;
6201b052
JM		 2664 case NL80211_CMD_TDLS_OPER:
2665 nl80211_tdls_oper_event(drv, tb);
2666 break;
3140803b
RM		 2667 case NL80211_CMD_CONN_FAILED:
2668 nl80211_connect_failed_event(drv, tb);
2669 break;
6a1ce395
DG		 2670 case NL80211_CMD_FT_EVENT:
2671 mlme_event_ft_event(drv, tb);
2672 break;
04be54fa
SW		 2673 case NL80211_CMD_RADAR_DETECT:
2674 nl80211_radar_event(drv, tb);
2675 break;
7239ea7f
ST		 2676 case NL80211_CMD_STOP_AP:
2677 nl80211_stop_ap(drv, tb);
2678 break;
97865538 2679 default:
565110cd
JM		 2680 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
2681 "(cmd=%d)", cmd);
97865538
JM		 2682 break;
2683 }
d6c9aab8
JB		 2684}
2685
2686
2687static int process_drv_event(struct nl_msg *msg, void *arg)
2688{
2689 struct wpa_driver_nl80211_data *drv = arg;
2690 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2691 struct nlattr *tb[NL80211_ATTR_MAX + 1];
a5e1eb20
SE		 2692 struct i802_bss *bss;
2693 int ifidx = -1;
d6c9aab8
JB		 2694
2695 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2696 genlmsg_attrlen(gnlh, 0), NULL);
2697
d3aaef80 2698 if (tb[NL80211_ATTR_IFINDEX]) {
a5e1eb20
SE		 2699 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2700
d3aaef80
DS		 2701 for (bss = &drv->first_bss; bss; bss = bss->next)
2702 if (ifidx == -1 || ifidx == bss->ifindex) {
2703 do_process_drv_event(bss, gnlh->cmd, tb);
2704 return NL_SKIP;
2705 }
2706 wpa_printf(MSG_DEBUG,
2707 "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d)",
2708 gnlh->cmd, ifidx);
2709 } else if (tb[NL80211_ATTR_WDEV]) {
2710 u64 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2711 wpa_printf(MSG_DEBUG, "nl80211: Process event on P2P device");
2712 for (bss = &drv->first_bss; bss; bss = bss->next) {
2713 if (bss->wdev_id_set && wdev_id == bss->wdev_id) {
2714 do_process_drv_event(bss, gnlh->cmd, tb);
2715 return NL_SKIP;
2716 }
d6c9aab8 2717 }
d3aaef80
DS		 2718 wpa_printf(MSG_DEBUG,
2719 "nl80211: Ignored event (cmd=%d) for foreign interface (wdev 0x%llx)",
2720 gnlh->cmd, (long long unsigned int) wdev_id);
d6c9aab8
JB		 2721 }
2722
d6c9aab8
JB		 2723 return NL_SKIP;
2724}
2725
2726
2727static int process_global_event(struct nl_msg *msg, void *arg)
2728{
2729 struct nl80211_global *global = arg;
2730 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2731 struct nlattr *tb[NL80211_ATTR_MAX + 1];
24b5bd8b 2732 struct wpa_driver_nl80211_data *drv, *tmp;
d6c9aab8 2733 int ifidx = -1;
a5e1eb20 2734 struct i802_bss *bss;
54d4ba42 2735 u64 wdev_id = 0;
d3aaef80 2736 int wdev_id_set = 0;
d6c9aab8
JB		 2737
2738 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2739 genlmsg_attrlen(gnlh, 0), NULL);
2740
2741 if (tb[NL80211_ATTR_IFINDEX])
2742 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
d3aaef80
DS		 2743 else if (tb[NL80211_ATTR_WDEV]) {
2744 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2745 wdev_id_set = 1;
2746 }
d6c9aab8 2747
24b5bd8b
JB		 2748 dl_list_for_each_safe(drv, tmp, &global->interfaces,
2749 struct wpa_driver_nl80211_data, list) {
a5e1eb20 2750 for (bss = &drv->first_bss; bss; bss = bss->next) {
d3aaef80
DS		 2751 if ((ifidx == -1 && !wdev_id_set) ||
2752 ifidx == bss->ifindex ||
2753 (wdev_id_set && bss->wdev_id_set &&
2754 wdev_id == bss->wdev_id)) {
a5e1eb20
SE		 2755 do_process_drv_event(bss, gnlh->cmd, tb);
2756 return NL_SKIP;
2757 }
2758 }
d6c9aab8 2759 }
97865538
JM		 2760
2761 return NL_SKIP;
2762}
2763
2764
cc7a48d1
JB		 2765static int process_bss_event(struct nl_msg *msg, void *arg)
2766{
a11241fa 2767 struct i802_bss *bss = arg;
cc7a48d1
JB		 2768 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2769 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2770
2771 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2772 genlmsg_attrlen(gnlh, 0), NULL);
2773
2090a0b4
DS		 2774 wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
2775 gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
2776 bss->ifname);
2777
cc7a48d1 2778 switch (gnlh->cmd) {
a11241fa
JB		 2779 case NL80211_CMD_FRAME:
2780 case NL80211_CMD_FRAME_TX_STATUS:
97279d8d 2781 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
a11241fa
JB		 2782 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2783 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2784 tb[NL80211_ATTR_COOKIE],
2785 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
a11241fa 2786 break;
02bb32c3 2787 case NL80211_CMD_UNEXPECTED_FRAME:
3088e4e5
JB		 2788 nl80211_spurious_frame(bss, tb, 0);
2789 break;
2790 case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
2791 nl80211_spurious_frame(bss, tb, 1);
02bb32c3 2792 break;
cc7a48d1
JB		 2793 default:
2794 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
2795 "(cmd=%d)", gnlh->cmd);
2796 break;
2797 }
2798
2799 return NL_SKIP;
2800}
2801
2802
97865538 2803static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 2804 void *handle)
97865538 2805{
a4ae123c 2806 struct nl_cb *cb = eloop_ctx;
97865538 2807
cc2ada86 2808 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 2809
a4ae123c 2810 nl_recvmsgs(handle, cb);
97865538
JM		 2811}
2812
2813
6d158490
LR		 2814/**
2815 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
2816 * @priv: driver_nl80211 private data
2817 * @alpha2_arg: country to which to switch to
2818 * Returns: 0 on success, -1 on failure
2819 *
2820 * This asks nl80211 to set the regulatory domain for given
2821 * country ISO / IEC alpha2.
2822 */
2823static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
2824{
a2e40bb6
FF		 2825 struct i802_bss *bss = priv;
2826 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 2827 char alpha2[3];
2828 struct nl_msg *msg;
2829
2830 msg = nlmsg_alloc();
2831 if (!msg)
e785c2ba 2832 return -ENOMEM;
6d158490
LR		 2833
2834 alpha2[0] = alpha2_arg[0];
2835 alpha2[1] = alpha2_arg[1];
2836 alpha2[2] = '\0';
2837
9fb04070 2838 nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG);
6d158490
LR		 2839
2840 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2);
2841 if (send_and_recv_msgs(drv, msg, NULL, NULL))
2842 return -EINVAL;
2843 return 0;
2844nla_put_failure:
5883168a 2845 nlmsg_free(msg);
6d158490
LR		 2846 return -EINVAL;
2847}
2848
2849
43245552
DJ		 2850static int protocol_feature_handler(struct nl_msg *msg, void *arg)
2851{
2852 u32 *feat = arg;
2853 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2854 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2855
2856 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2857 genlmsg_attrlen(gnlh, 0), NULL);
2858
2859 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
2860 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
2861
2862 return NL_SKIP;
2863}
2864
2865
2866static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
2867{
2868 u32 feat = 0;
2869 struct nl_msg *msg;
2870
2871 msg = nlmsg_alloc();
2872 if (!msg)
2873 goto nla_put_failure;
2874
2875 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES);
2876 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
2877 return feat;
2878
2879 msg = NULL;
2880nla_put_failure:
2881 nlmsg_free(msg);
2882 return 0;
2883}
2884
2885
80bc75f1 2886struct wiphy_info_data {
8cd6b7bc 2887 struct wpa_driver_nl80211_data *drv;
e8b5e24e
JB		 2888 struct wpa_driver_capa *capa;
2889
4752147d
IP		 2890 unsigned int num_multichan_concurrent;
2891
e8b5e24e 2892 unsigned int error:1;
61cbe2ff 2893 unsigned int device_ap_sme:1;
39718852 2894 unsigned int poll_command_supported:1;
32ab4855 2895 unsigned int data_tx_status:1;
536062f2 2896 unsigned int monitor_supported:1;
43245552
DJ		 2897 unsigned int auth_supported:1;
2898 unsigned int connect_supported:1;
2899 unsigned int p2p_go_supported:1;
2900 unsigned int p2p_client_supported:1;
2901 unsigned int p2p_concurrent:1;
80bc75f1
JM		 2902};
2903
2904
562c9d97
AN		 2905static unsigned int probe_resp_offload_support(int supp_protocols)
2906{
2907 unsigned int prot = 0;
2908
2909 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
2910 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
2911 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
2912 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
2913 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
2914 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
2915 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
2916 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
2917
2918 return prot;
2919}
2920
2921
5f439107
JM		 2922static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
2923 struct nlattr *tb)
80bc75f1 2924{
5f439107
JM		 2925 struct nlattr *nl_mode;
2926 int i;
2927
2928 if (tb == NULL)
2929 return;
2930
2931 nla_for_each_nested(nl_mode, tb, i) {
2932 switch (nla_type(nl_mode)) {
2933 case NL80211_IFTYPE_AP:
2934 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
2935 break;
65d52fc1
BR		 2936 case NL80211_IFTYPE_ADHOC:
2937 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
2938 break;
7aad838c
NS		 2939 case NL80211_IFTYPE_P2P_DEVICE:
2940 info->capa->flags |=
2941 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
2942 break;
5f439107
JM		 2943 case NL80211_IFTYPE_P2P_GO:
2944 info->p2p_go_supported = 1;
2945 break;
2946 case NL80211_IFTYPE_P2P_CLIENT:
2947 info->p2p_client_supported = 1;
2948 break;
2949 case NL80211_IFTYPE_MONITOR:
2950 info->monitor_supported = 1;
2951 break;
2952 }
2953 }
2954}
2955
2956
2957static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
2958 struct nlattr *nl_combi)
2959{
2960 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
2961 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
2962 struct nlattr *nl_limit, *nl_mode;
2963 int err, rem_limit, rem_mode;
2964 int combination_has_p2p = 0, combination_has_mgd = 0;
7626850d
JB		 2965 static struct nla_policy
2966 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
2967 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
2968 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
2969 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
2970 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
f295d0c8 2971 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
7626850d
JB		 2972 },
2973 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
2974 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
2975 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
2976 };
80bc75f1 2977
5f439107
JM		 2978 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
2979 nl_combi, iface_combination_policy);
2980 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
2981 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
2982 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
2983 return 0; /* broken combination */
2984
f295d0c8
SW		 2985 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
2986 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
2987
5f439107
JM		 2988 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
2989 rem_limit) {
2990 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
2991 nl_limit, iface_limit_policy);
2992 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
2993 return 0; /* broken combination */
2994
2995 nla_for_each_nested(nl_mode,
2996 tb_limit[NL80211_IFACE_LIMIT_TYPES],
2997 rem_mode) {
2998 int ift = nla_type(nl_mode);
2999 if (ift == NL80211_IFTYPE_P2P_GO ||
3000 ift == NL80211_IFTYPE_P2P_CLIENT)
3001 combination_has_p2p = 1;
3002 if (ift == NL80211_IFTYPE_STATION)
3003 combination_has_mgd = 1;
3004 }
3005 if (combination_has_p2p && combination_has_mgd)
3006 break;
3007 }
3008
3009 if (combination_has_p2p && combination_has_mgd) {
3010 info->p2p_concurrent = 1;
4752147d
IP		 3011 info->num_multichan_concurrent =
3012 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
5f439107
JM		 3013 return 1;
3014 }
3015
3016 return 0;
3017}
3018
3019
3020static void wiphy_info_iface_comb(struct wiphy_info_data *info,
3021 struct nlattr *tb)
3022{
3023 struct nlattr *nl_combi;
3024 int rem_combi;
3025
3026 if (tb == NULL)
3027 return;
3028
3029 nla_for_each_nested(nl_combi, tb, rem_combi) {
3030 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
3031 break;
3032 }
3033}
3034
3035
3036static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
3037 struct nlattr *tb)
3038{
3039 struct nlattr *nl_cmd;
3040 int i;
3041
3042 if (tb == NULL)
3043 return;
3044
3045 nla_for_each_nested(nl_cmd, tb, i) {
3046 switch (nla_get_u32(nl_cmd)) {
3047 case NL80211_CMD_AUTHENTICATE:
3048 info->auth_supported = 1;
3049 break;
3050 case NL80211_CMD_CONNECT:
3051 info->connect_supported = 1;
3052 break;
3053 case NL80211_CMD_START_SCHED_SCAN:
3054 info->capa->sched_scan_supported = 1;
3055 break;
3056 case NL80211_CMD_PROBE_CLIENT:
3057 info->poll_command_supported = 1;
3058 break;
3059 }
3060 }
3061}
3062
3063
3064static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
3065 struct nlattr *tb)
3066{
5f439107
JM		 3067 if (tb)
3068 capa->max_remain_on_chan = nla_get_u32(tb);
3069}
3070
3071
3072static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
3073 struct nlattr *ext_setup)
3074{
3075 if (tdls == NULL)
3076 return;
3077
3078 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
3079 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
3080
3081 if (ext_setup) {
3082 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
3083 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
3084 }
3085}
3086
3087
3088static void wiphy_info_feature_flags(struct wiphy_info_data *info,
3089 struct nlattr *tb)
3090{
3091 u32 flags;
3092 struct wpa_driver_capa *capa = info->capa;
3093
3094 if (tb == NULL)
3095 return;
3096
3097 flags = nla_get_u32(tb);
3098
3099 if (flags & NL80211_FEATURE_SK_TX_STATUS)
3100 info->data_tx_status = 1;
3101
3102 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
3103 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
3104
3105 if (flags & NL80211_FEATURE_SAE)
3106 capa->flags |= WPA_DRIVER_FLAGS_SAE;
3107
3108 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
3109 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
3110}
3111
3112
3113static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
3114 struct nlattr *tb)
3115{
3116 u32 protocols;
3117
3118 if (tb == NULL)
3119 return;
3120
3121 protocols = nla_get_u32(tb);
3122 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
3123 "mode");
3124 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
3125 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
3126}
3127
3128
3129static int wiphy_info_handler(struct nl_msg *msg, void *arg)
3130{
3131 struct nlattr *tb[NL80211_ATTR_MAX + 1];
3132 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3133 struct wiphy_info_data *info = arg;
3134 struct wpa_driver_capa *capa = info->capa;
8cd6b7bc 3135 struct wpa_driver_nl80211_data *drv = info->drv;
5f439107 3136
80bc75f1
JM		 3137 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3138 genlmsg_attrlen(gnlh, 0), NULL);
3139
5fbcb45d
AS		 3140 if (tb[NL80211_ATTR_WIPHY_NAME])
3141 os_strncpy(drv->phyname,
3142 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
3143 sizeof(drv->phyname));
80bc75f1 3144 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
e8b5e24e 3145 capa->max_scan_ssids =
80bc75f1
JM		 3146 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
3147
d21c63b9 3148 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
e8b5e24e 3149 capa->max_sched_scan_ssids =
d21c63b9
LC		 3150 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
3151
bd525934 3152 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
e8b5e24e 3153 capa->max_match_sets =
bd525934
LC		 3154 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
3155
3c4ca363
VN		 3156 if (tb[NL80211_ATTR_MAC_ACL_MAX])
3157 capa->max_acl_mac_addrs =
3158 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
3159
5f439107
JM		 3160 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
3161 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
3162 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
93d11400 3163
e8b5e24e
JB		 3164 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
3165 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
3166 "off-channel TX");
3167 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
3168 }
3169
3170 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
3171 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
3172 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
3173 }
5dfca53f 3174
5f439107
JM		 3175 wiphy_info_max_roc(capa,
3176 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
004ba773 3177
70619a5d
EP		 3178 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
3179 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
3180
5f439107
JM		 3181 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
3182 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
03ea1786 3183
61cbe2ff
JB		 3184 if (tb[NL80211_ATTR_DEVICE_AP_SME])
3185 info->device_ap_sme = 1;
3186
5f439107
JM		 3187 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
3188 wiphy_info_probe_resp_offload(capa,
3189 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
562c9d97 3190
8cd6b7bc
JB		 3191 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
3192 drv->extended_capa == NULL) {
3193 drv->extended_capa =
3194 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3195 if (drv->extended_capa) {
3196 os_memcpy(drv->extended_capa,
3197 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3198 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3199 drv->extended_capa_len =
3200 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
3201 }
3202 drv->extended_capa_mask =
3203 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3204 if (drv->extended_capa_mask) {
3205 os_memcpy(drv->extended_capa_mask,
3206 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3207 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3208 } else {
3209 os_free(drv->extended_capa);
3210 drv->extended_capa = NULL;
3211 drv->extended_capa_len = 0;
3212 }
3213 }
3214
80bc75f1
JM		 3215 return NL_SKIP;
3216}
3217
3218
3219static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
3220 struct wiphy_info_data *info)
3221{
43245552 3222 u32 feat;
80bc75f1
JM		 3223 struct nl_msg *msg;
3224
3225 os_memset(info, 0, sizeof(*info));
e8b5e24e 3226 info->capa = &drv->capa;
8cd6b7bc 3227 info->drv = drv;
89e07afb 3228
80bc75f1
JM		 3229 msg = nlmsg_alloc();
3230 if (!msg)
3231 return -1;
3232
43245552
DJ		 3233 feat = get_nl80211_protocol_features(drv);
3234 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
3235 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
3236 else
3237 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
80bc75f1 3238
43245552 3239 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
f632e483
AS		 3240 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
3241 goto nla_put_failure;
80bc75f1 3242
43245552
DJ		 3243 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
3244 return -1;
3245
3246 if (info->auth_supported)
3247 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
3248 else if (!info->connect_supported) {
3249 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
3250 "authentication/association or connect commands");
3251 info->error = 1;
3252 }
3253
3254 if (info->p2p_go_supported && info->p2p_client_supported)
3255 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
3256 if (info->p2p_concurrent) {
3257 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
3258 "interface (driver advertised support)");
3259 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
3260 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
3261 }
4752147d 3262 if (info->num_multichan_concurrent > 1) {
43245552
DJ		 3263 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
3264 "concurrent (driver advertised support)");
4752147d
IP		 3265 drv->capa.num_multichan_concurrent =
3266 info->num_multichan_concurrent;
43245552 3267 }
b691dcb1
IP		 3268
3269 /* default to 5000 since early versions of mac80211 don't set it */
3270 if (!drv->capa.max_remain_on_chan)
3271 drv->capa.max_remain_on_chan = 5000;
3272
43245552 3273 return 0;
80bc75f1
JM		 3274nla_put_failure:
3275 nlmsg_free(msg);
3276 return -1;
3277}
3278
3279
93d11400 3280static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
80bc75f1
JM		 3281{
3282 struct wiphy_info_data info;
3283 if (wpa_driver_nl80211_get_info(drv, &info))
93d11400 3284 return -1;
e8b5e24e
JB		 3285
3286 if (info.error)
3287 return -1;
3288
80bc75f1 3289 drv->has_capability = 1;
1b2a72e8
JM		 3290 /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
3291 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3292 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3293 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3294 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
3295 drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
3296 WPA_DRIVER_CAPA_ENC_WEP104 |
3297 WPA_DRIVER_CAPA_ENC_TKIP |
3298 WPA_DRIVER_CAPA_ENC_CCMP;
291b6068
JM		 3299 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
3300 WPA_DRIVER_AUTH_SHARED |
3301 WPA_DRIVER_AUTH_LEAP;
1b2a72e8 3302
871f4dd0 3303 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
0194fedb 3304 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
2fee890a 3305 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
e1bd4e19 3306
e5091674 3307 if (!info.device_ap_sme) {
e1bd4e19 3308 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
0194fedb 3309
e5091674
JM		 3310 /*
3311 * No AP SME is currently assumed to also indicate no AP MLME
3312 * in the driver/firmware.
3313 */
3314 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
3315 }
3316
61cbe2ff 3317 drv->device_ap_sme = info.device_ap_sme;
39718852 3318 drv->poll_command_supported = info.poll_command_supported;
32ab4855 3319 drv->data_tx_status = info.data_tx_status;
61cbe2ff 3320
a11241fa 3321 /*
73a3c6ff
FF		 3322 * If poll command and tx status are supported, mac80211 is new enough
3323 * to have everything we need to not need monitor interfaces.
a11241fa 3324 */
73a3c6ff 3325 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
a11241fa 3326
536062f2
JM		 3327 if (drv->device_ap_sme && drv->use_monitor) {
3328 /*
3329 * Non-mac80211 drivers may not support monitor interface.
3330 * Make sure we do not get stuck with incorrect capability here
3331 * by explicitly testing this.
3332 */
3333 if (!info.monitor_supported) {
3334 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
3335 "with device_ap_sme since no monitor mode "
3336 "support detected");
3337 drv->use_monitor = 0;
3338 }
3339 }
3340
a11241fa
JB		 3341 /*
3342 * If we aren't going to use monitor interfaces, but the
3343 * driver doesn't support data TX status, we won't get TX
3344 * status for EAPOL frames.
3345 */
3346 if (!drv->use_monitor && !info.data_tx_status)
3347 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
3348
93d11400 3349 return 0;
80bc75f1
JM		 3350}
3351
3352
b088cf82
JM		 3353#ifdef ANDROID
3354static int android_genl_ctrl_resolve(struct nl_handle *handle,
3355 const char *name)
3356{
3357 /*
3358 * Android ICS has very minimal genl_ctrl_resolve() implementation, so
3359 * need to work around that.
3360 */
3361 struct nl_cache *cache = NULL;
3362 struct genl_family *nl80211 = NULL;
3363 int id = -1;
3364
3365 if (genl_ctrl_alloc_cache(handle, &cache) < 0) {
3366 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
3367 "netlink cache");
3368 goto fail;
3369 }
3370
3371 nl80211 = genl_ctrl_search_by_name(cache, name);
3372 if (nl80211 == NULL)
3373 goto fail;
3374
3375 id = genl_family_get_id(nl80211);
3376
3377fail:
3378 if (nl80211)
3379 genl_family_put(nl80211);
3380 if (cache)
3381 nl_cache_free(cache);
3382
3383 return id;
3384}
3385#define genl_ctrl_resolve android_genl_ctrl_resolve
3386#endif /* ANDROID */
3387
3388
2a7b66f5
BG		 3389static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
3390{
d6c9aab8
JB		 3391 int ret;
3392
2a7b66f5
BG		 3393 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3394 if (global->nl_cb == NULL) {
3395 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
3396 "callbacks");
3397 return -1;
3398 }
3399
481234cf
JM		 3400 global->nl = nl_create_handle(global->nl_cb, "nl");
3401 if (global->nl == NULL)
d6c9aab8 3402 goto err;
276e2d67 3403
481234cf 3404 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 3405 if (global->nl80211_id < 0) {
276e2d67
BG		 3406 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
3407 "found");
d6c9aab8 3408 goto err;
276e2d67
BG		 3409 }
3410
481234cf
JM		 3411 global->nl_event = nl_create_handle(global->nl_cb, "event");
3412 if (global->nl_event == NULL)
d6c9aab8 3413 goto err;
9fff9fdc 3414
d6c9aab8 3415 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 3416 if (ret >= 0)
481234cf 3417 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 3418 if (ret < 0) {
3419 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
3420 "membership for scan events: %d (%s)",
3421 ret, strerror(-ret));
d6c9aab8 3422 goto err;
97865538 3423 }
c2a04078 3424
d6c9aab8 3425 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 3426 if (ret >= 0)
481234cf 3427 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 3428 if (ret < 0) {
3429 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
3430 "membership for mlme events: %d (%s)",
3431 ret, strerror(-ret));
d6c9aab8 3432 goto err;
c2a04078 3433 }
c2a04078 3434
d6c9aab8 3435 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 3436 if (ret >= 0)
481234cf 3437 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 3438 if (ret < 0) {
3439 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
3440 "membership for regulatory events: %d (%s)",
3441 ret, strerror(-ret));
3442 /* Continue without regulatory events */
3443 }
3444
d6c9aab8
JB		 3445 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3446 no_seq_check, NULL);
3447 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3448 process_global_event, global);
3449
481234cf 3450 eloop_register_read_sock(nl_socket_get_fd(global->nl_event),
d6c9aab8 3451 wpa_driver_nl80211_event_receive,
481234cf 3452 global->nl_cb, global->nl_event);
d6c9aab8
JB		 3453
3454 return 0;
3455
3456err:
3457 nl_destroy_handles(&global->nl_event);
3458 nl_destroy_handles(&global->nl);
3459 nl_cb_put(global->nl_cb);
671a5039 3460 global->nl_cb = NULL;
d6c9aab8
JB		 3461 return -1;
3462}
3463
3464
3465static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
3466{
1afc986d
JB		 3467 drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3468 if (!drv->nl_cb) {
3469 wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct");
d6c9aab8 3470 return -1;
1afc986d
JB		 3471 }
3472
3473 nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3474 no_seq_check, NULL);
f06aedd9
JB		 3475 nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3476 process_drv_event, drv);
1afc986d 3477
9fff9fdc 3478 return 0;
9fff9fdc
JM		 3479}
3480
3481
8401a6b0
JM		 3482static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
3483{
8401a6b0 3484 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
a63063b4
JM		 3485 /*
3486 * This may be for any interface; use ifdown event to disable
3487 * interface.
3488 */
8401a6b0
JM		 3489}
3490
3491
3492static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
3493{
3494 struct wpa_driver_nl80211_data *drv = ctx;
3495 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
c81eff1a
BG		 3496 if (linux_set_iface_flags(drv->global->ioctl_sock,
3497 drv->first_bss.ifname, 1)) {
8401a6b0
JM		 3498 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
3499 "after rfkill unblock");
3500 return;
3501 }
a63063b4 3502 /* rtnetlink ifup handler will report interface as enabled */
8401a6b0
JM		 3503}
3504
3505
32ab4855
JB		 3506static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
3507 void *eloop_ctx,
3508 void *handle)
3509{
3510 struct wpa_driver_nl80211_data *drv = eloop_ctx;
3511 u8 data[2048];
3512 struct msghdr msg;
3513 struct iovec entry;
cad0f50e 3514 u8 control[512];
32ab4855
JB		 3515 struct cmsghdr *cmsg;
3516 int res, found_ee = 0, found_wifi = 0, acked = 0;
3517 union wpa_event_data event;
3518
3519 memset(&msg, 0, sizeof(msg));
3520 msg.msg_iov = &entry;
3521 msg.msg_iovlen = 1;
3522 entry.iov_base = data;
3523 entry.iov_len = sizeof(data);
3524 msg.msg_control = &control;
3525 msg.msg_controllen = sizeof(control);
3526
3527 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
3528 /* if error or not fitting 802.3 header, return */
3529 if (res < 14)
3530 return;
3531
3532 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
3533 {
3534 if (cmsg->cmsg_level == SOL_SOCKET &&
3535 cmsg->cmsg_type == SCM_WIFI_STATUS) {
3536 int *ack;
3537
3538 found_wifi = 1;
3539 ack = (void *)CMSG_DATA(cmsg);
3540 acked = *ack;
3541 }
3542
3543 if (cmsg->cmsg_level == SOL_PACKET &&
3544 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
3545 struct sock_extended_err *err =
3546 (struct sock_extended_err *)CMSG_DATA(cmsg);
3547
3548 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
3549 found_ee = 1;
3550 }
3551 }
3552
3553 if (!found_ee || !found_wifi)
3554 return;
3555
3556 memset(&event, 0, sizeof(event));
3557 event.eapol_tx_status.dst = data;
3558 event.eapol_tx_status.data = data + 14;
3559 event.eapol_tx_status.data_len = res - 14;
3560 event.eapol_tx_status.ack = acked;
3561 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
3562}
3563
3564
cc7a48d1
JB		 3565static int nl80211_init_bss(struct i802_bss *bss)
3566{
3567 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3568 if (!bss->nl_cb)
3569 return -1;
3570
3571 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3572 no_seq_check, NULL);
3573 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3574 process_bss_event, bss);
3575
3576 return 0;
3577}
3578
3579
3580static void nl80211_destroy_bss(struct i802_bss *bss)
3581{
3582 nl_cb_put(bss->nl_cb);
3583 bss->nl_cb = NULL;
3584}
3585
3586
9fff9fdc
JM		 3587/**
3588 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
3589 * @ctx: context to be used when calling wpa_supplicant functions,
3590 * e.g., wpa_supplicant_event()
3591 * @ifname: interface name, e.g., wlan0
f2ed8023 3592 * @global_priv: private driver global data from global_init()
9fff9fdc
JM		 3593 * Returns: Pointer to private data, %NULL on failure
3594 */
f2ed8023
JM		 3595static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
3596 void *global_priv)
9fff9fdc 3597{
9fff9fdc 3598 struct wpa_driver_nl80211_data *drv;
8401a6b0 3599 struct rfkill_config *rcfg;
a2e40bb6 3600 struct i802_bss *bss;
9fff9fdc 3601
a5c696ad
JM		 3602 if (global_priv == NULL)
3603 return NULL;
9fff9fdc
JM		 3604 drv = os_zalloc(sizeof(*drv));
3605 if (drv == NULL)
3606 return NULL;
f2ed8023 3607 drv->global = global_priv;
9fff9fdc 3608 drv->ctx = ctx;
a2e40bb6
FF		 3609 bss = &drv->first_bss;
3610 bss->drv = drv;
a5e1eb20
SE		 3611 bss->ctx = ctx;
3612
a2e40bb6 3613 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 3614 drv->monitor_ifidx = -1;
3615 drv->monitor_sock = -1;
d12dab4c 3616 drv->eapol_tx_sock = -1;
b1f625e0 3617 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 3618
ba2d0d7d 3619 if (wpa_driver_nl80211_init_nl(drv)) {
bbaf0837
JM		 3620 os_free(drv);
3621 return NULL;
3622 }
9fff9fdc 3623
cc7a48d1
JB		 3624 if (nl80211_init_bss(bss))
3625 goto failed;
3626
8401a6b0
JM		 3627 rcfg = os_zalloc(sizeof(*rcfg));
3628 if (rcfg == NULL)
3629 goto failed;
3630 rcfg->ctx = drv;
3631 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
3632 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
3633 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
3634 drv->rfkill = rfkill_init(rcfg);
52169389 3635 if (drv->rfkill == NULL) {
8401a6b0 3636 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
52169389
JM		 3637 os_free(rcfg);
3638 }
8401a6b0 3639
08063178 3640 if (wpa_driver_nl80211_finish_drv_init(drv))
bbaf0837 3641 goto failed;
7524cfb1 3642
d12dab4c 3643 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 3644 if (drv->eapol_tx_sock < 0)
3645 goto failed;
3646
3647 if (drv->data_tx_status) {
3648 int enabled = 1;
3649
3650 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
3651 &enabled, sizeof(enabled)) < 0) {
3652 wpa_printf(MSG_DEBUG,
3653 "nl80211: wifi status sockopt failed\n");
3654 drv->data_tx_status = 0;
a11241fa
JB		 3655 if (!drv->use_monitor)
3656 drv->capa.flags &=
3657 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 3658 } else {
3659 eloop_register_read_sock(drv->eapol_tx_sock,
3660 wpa_driver_nl80211_handle_eapol_tx_status,
3661 drv, NULL);
3662 }
3663 }
f10bfc9a 3664
dac12351 3665 if (drv->global) {
c4bb8817 3666 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 3667 drv->in_interface_list = 1;
3668 }
c4bb8817 3669
a2e40bb6 3670 return bss;
7524cfb1 3671
bbaf0837 3672failed:
dac12351 3673 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 3674 return NULL;
3675}
3676
3677
a11241fa 3678static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 3679 struct nl_handle *nl_handle,
bd94971e 3680 u16 type, const u8 *match, size_t match_len)
58f6fbe0 3681{
a11241fa 3682 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0
JM		 3683 struct nl_msg *msg;
3684 int ret = -1;
3685
3686 msg = nlmsg_alloc();
3687 if (!msg)
3688 return -1;
3689
36488c05
JM		 3690 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x nl_handle=%p",
3691 type, nl_handle);
3692 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
3693 match, match_len);
3694
9fb04070 3695 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION);
58f6fbe0 3696
f632e483 3697 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 3698 goto nla_put_failure;
3699
bd94971e 3700 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type);
58f6fbe0
JM		 3701 NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match);
3702
d6c9aab8 3703 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0
JM		 3704 msg = NULL;
3705 if (ret) {
5582a5d1
JB		 3706 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
3707 "failed (type=%u): ret=%d (%s)",
3708 type, ret, strerror(-ret));
3709 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0
JM		 3710 match, match_len);
3711 goto nla_put_failure;
3712 }
3713 ret = 0;
3714nla_put_failure:
3715 nlmsg_free(msg);
3716 return ret;
3717}
3718
3719
a11241fa
JB		 3720static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
3721{
3722 struct wpa_driver_nl80211_data *drv = bss->drv;
3723
481234cf 3724 if (bss->nl_mgmt) {
a11241fa 3725 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 3726 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 3727 return -1;
3728 }
3729
481234cf
JM		 3730 bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
3731 if (bss->nl_mgmt == NULL)
a11241fa
JB		 3732 return -1;
3733
481234cf 3734 eloop_register_read_sock(nl_socket_get_fd(bss->nl_mgmt),
a11241fa 3735 wpa_driver_nl80211_event_receive, bss->nl_cb,
481234cf 3736 bss->nl_mgmt);
a11241fa
JB		 3737
3738 return 0;
3739}
3740
3741
3742static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 3743 const u8 *match, size_t match_len)
3744{
3745 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 3746 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 3747 type, match, match_len);
bd94971e
JB		 3748}
3749
3750
a11241fa 3751static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 3752{
a11241fa
JB		 3753 struct wpa_driver_nl80211_data *drv = bss->drv;
3754
3755 if (nl80211_alloc_mgmt_handle(bss))
3756 return -1;
36488c05
JM		 3757 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
3758 "handle %p", bss->nl_mgmt);
a11241fa 3759
4fe9fa0d 3760#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 3761 /* GAS Initial Request */
a11241fa 3762 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
046b26a2
JM		 3763 return -1;
3764 /* GAS Initial Response */
a11241fa 3765 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
046b26a2 3766 return -1;
18708aad 3767 /* GAS Comeback Request */
a11241fa 3768 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
18708aad
JM		 3769 return -1;
3770 /* GAS Comeback Response */
a11241fa 3771 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
18708aad 3772 return -1;
4fe9fa0d
JM		 3773#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
3774#ifdef CONFIG_P2P
046b26a2 3775 /* P2P Public Action */
a11241fa 3776 if (nl80211_register_action_frame(bss,
046b26a2
JM		 3777 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
3778 6) < 0)
3779 return -1;
3780 /* P2P Action */
a11241fa 3781 if (nl80211_register_action_frame(bss,
046b26a2
JM		 3782 (u8 *) "\x7f\x50\x6f\x9a\x09",
3783 5) < 0)
3784 return -1;
3785#endif /* CONFIG_P2P */
7d878ca7
JM		 3786#ifdef CONFIG_IEEE80211W
3787 /* SA Query Response */
a11241fa 3788 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
7d878ca7
JM		 3789 return -1;
3790#endif /* CONFIG_IEEE80211W */
35287637
AN		 3791#ifdef CONFIG_TDLS
3792 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
3793 /* TDLS Discovery Response */
aa543c0c 3794 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637
AN		 3795 0)
3796 return -1;
3797 }
3798#endif /* CONFIG_TDLS */
046b26a2 3799
7b90c16a 3800 /* FT Action frames */
a11241fa 3801 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
7b90c16a
JM		 3802 return -1;
3803 else
3804 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
3805 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
3806
71269b37 3807 /* WNM - BSS Transition Management Request */
a11241fa
JB		 3808 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
3809 return -1;
bd896433
JM		 3810 /* WNM-Sleep Mode Response */
3811 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
3812 return -1;
a11241fa
JB		 3813
3814 return 0;
3815}
3816
3817
02bb32c3
JB		 3818static int nl80211_register_spurious_class3(struct i802_bss *bss)
3819{
3820 struct wpa_driver_nl80211_data *drv = bss->drv;
3821 struct nl_msg *msg;
3822 int ret = -1;
3823
3824 msg = nlmsg_alloc();
3825 if (!msg)
3826 return -1;
3827
3828 nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME);
3829
3830 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
3831
481234cf 3832 ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 3833 msg = NULL;
3834 if (ret) {
3835 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
3836 "failed: ret=%d (%s)",
3837 ret, strerror(-ret));
3838 goto nla_put_failure;
3839 }
3840 ret = 0;
3841nla_put_failure:
3842 nlmsg_free(msg);
3843 return ret;
3844}
3845
3846
a11241fa
JB		 3847static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
3848{
3849 static const int stypes[] = {
3850 WLAN_FC_STYPE_AUTH,
3851 WLAN_FC_STYPE_ASSOC_REQ,
3852 WLAN_FC_STYPE_REASSOC_REQ,
3853 WLAN_FC_STYPE_DISASSOC,
3854 WLAN_FC_STYPE_DEAUTH,
3855 WLAN_FC_STYPE_ACTION,
3856 WLAN_FC_STYPE_PROBE_REQ,
3857/* Beacon doesn't work as mac80211 doesn't currently allow
3858 * it, but it wouldn't really be the right thing anyway as
3859 * it isn't per interface ... maybe just dump the scan
3860 * results periodically for OLBC?
3861 */
3862// WLAN_FC_STYPE_BEACON,
3863 };
3864 unsigned int i;
3865
3866 if (nl80211_alloc_mgmt_handle(bss))
71269b37 3867 return -1;
36488c05
JM		 3868 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
3869 "handle %p", bss->nl_mgmt);
71269b37 3870
a11241fa 3871 for (i = 0; i < sizeof(stypes) / sizeof(stypes[0]); i++) {
481234cf 3872 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 3873 (WLAN_FC_TYPE_MGMT << 2) |
3874 (stypes[i] << 4),
3875 NULL, 0) < 0) {
3876 goto out_err;
3877 }
3878 }
3879
02bb32c3
JB		 3880 if (nl80211_register_spurious_class3(bss))
3881 goto out_err;
3882
e32ad281
JB		 3883 if (nl80211_get_wiphy_data_ap(bss) == NULL)
3884 goto out_err;
3885
58f6fbe0 3886 return 0;
a11241fa
JB		 3887
3888out_err:
481234cf 3889 eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
a11241fa
JB		 3890 nl_destroy_handles(&bss->nl_mgmt);
3891 return -1;
3892}
3893
3894
a6cc0602
JM		 3895static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
3896{
3897 if (nl80211_alloc_mgmt_handle(bss))
3898 return -1;
3899 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
3900 "handle %p (device SME)", bss->nl_mgmt);
3901
3902 if (nl80211_register_frame(bss, bss->nl_mgmt,
3903 (WLAN_FC_TYPE_MGMT << 2) |
3904 (WLAN_FC_STYPE_ACTION << 4),
3905 NULL, 0) < 0)
3906 goto out_err;
3907
3908 return 0;
3909
3910out_err:
3911 eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
3912 nl_destroy_handles(&bss->nl_mgmt);
3913 return -1;
3914}
3915
3916
36488c05 3917static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 3918{
481234cf 3919 if (bss->nl_mgmt == NULL)
a11241fa 3920 return;
36488c05
JM		 3921 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
3922 "(%s)", bss->nl_mgmt, reason);
481234cf 3923 eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
a11241fa 3924 nl_destroy_handles(&bss->nl_mgmt);
e32ad281
JB		 3925
3926 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 3927}
3928
3929
8401a6b0
JM		 3930static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
3931{
3932 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
3933}
3934
3935
eb4582f2
AS		 3936static void nl80211_del_p2pdev(struct i802_bss *bss)
3937{
3938 struct wpa_driver_nl80211_data *drv = bss->drv;
3939 struct nl_msg *msg;
3940 int ret;
3941
3942 msg = nlmsg_alloc();
3943 if (!msg)
3944 return;
3945
3946 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
3947 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
3948
3949 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3950 msg = NULL;
3951
3952 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
3953 bss->ifname, (long long unsigned int) bss->wdev_id,
3954 strerror(ret));
3955
3956nla_put_failure:
3957 nlmsg_free(msg);
3958}
3959
3960
eb4582f2 3961static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483
AS		 3962{
3963 struct wpa_driver_nl80211_data *drv = bss->drv;
3964 struct nl_msg *msg;
3965 int ret = -1;
3966
f632e483
AS		 3967 msg = nlmsg_alloc();
3968 if (!msg)
3969 return -1;
3970
eb4582f2
AS		 3971 if (start)
3972 nl80211_cmd(drv, msg, 0, NL80211_CMD_START_P2P_DEVICE);
3973 else
3974 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_P2P_DEVICE);
3975
f632e483
AS		 3976 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
3977
3978 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3979 msg = NULL;
3980
eb4582f2
AS		 3981 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
3982 start ? "Start" : "Stop",
3983 bss->ifname, (long long unsigned int) bss->wdev_id,
3984 strerror(ret));
3985
f632e483
AS		 3986nla_put_failure:
3987 nlmsg_free(msg);
3988 return ret;
3989}
f632e483
AS		 3990
3991
91724d6f
AS		 3992static int i802_set_iface_flags(struct i802_bss *bss, int up)
3993{
3994 enum nl80211_iftype nlmode;
3995
3996 nlmode = nl80211_get_ifmode(bss);
3997 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
3998 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
3999 bss->ifname, up);
4000 }
4001
4002 /* P2P Device has start/stop which is equivalent */
4003 return nl80211_set_p2pdev(bss, up);
4004}
4005
4006
362f781e 4007static int
7524cfb1
JM		 4008wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
4009{
f632e483 4010#ifndef HOSTAPD
8e12685c 4011 enum nl80211_iftype nlmode = NL80211_IFTYPE_STATION;
f632e483 4012#endif /* HOSTAPD */
a2e40bb6 4013 struct i802_bss *bss = &drv->first_bss;
8401a6b0 4014 int send_rfkill_event = 0;
f632e483 4015 int dynamic_if;
a2e40bb6
FF		 4016
4017 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 4018 bss->ifindex = drv->ifindex;
4019 bss->wdev_id = drv->global->if_add_wdevid;
4020 bss->wdev_id_set = drv->global->if_add_wdevid_set;
4021
4022 dynamic_if = drv->ifindex == drv->global->if_add_ifindex;
4023 dynamic_if = dynamic_if || drv->global->if_add_wdevid_set;
4024 drv->global->if_add_wdevid_set = 0;
4025
4026 if (wpa_driver_nl80211_capa(drv))
4027 return -1;
a87c9d96 4028
5fbcb45d
AS		 4029 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
4030 bss->ifname, drv->phyname);
4031
bbaf0837 4032#ifndef HOSTAPD
8e12685c
AS		 4033 if (dynamic_if)
4034 nlmode = nl80211_get_ifmode(bss);
f632e483 4035
ff6a158b
JM		 4036 /*
4037 * Make sure the interface starts up in station mode unless this is a
4038 * dynamically added interface (e.g., P2P) that was already configured
4039 * with proper iftype.
4040 */
8e12685c
AS		 4041 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
4042 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver to use managed mode");
4043 return -1;
a87c9d96 4044 }
8e12685c 4045 drv->nlmode = nlmode;
a87c9d96 4046
f632e483 4047 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
eb4582f2 4048 int ret = nl80211_set_p2pdev(bss, 1);
f632e483
AS		 4049 if (ret < 0)
4050 wpa_printf(MSG_ERROR, "nl80211: Could not start P2P device");
597b94f5 4051 nl80211_get_macaddr(bss);
f632e483
AS		 4052 return ret;
4053 }
4054
c81eff1a 4055 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) {
8401a6b0
JM		 4056 if (rfkill_is_blocked(drv->rfkill)) {
4057 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
4058 "interface '%s' due to rfkill",
4059 bss->ifname);
a63063b4 4060 drv->if_disabled = 1;
8401a6b0
JM		 4061 send_rfkill_event = 1;
4062 } else {
4063 wpa_printf(MSG_ERROR, "nl80211: Could not set "
4064 "interface '%s' UP", bss->ifname);
4065 return -1;
4066 }
362f781e 4067 }
3f5285e8 4068
36d84860 4069 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 4070 1, IF_OPER_DORMANT);
bbaf0837 4071#endif /* HOSTAPD */
362f781e 4072
c81eff1a 4073 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
341eebee 4074 bss->addr))
2136f480 4075 return -1;
f2ed8023 4076
8401a6b0
JM		 4077 if (send_rfkill_event) {
4078 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
4079 drv, drv->ctx);
4080 }
4081
362f781e 4082 return 0;
3f5285e8
JM		 4083}
4084
4085
8a27af5c
JM		 4086static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
4087{
4088 struct nl_msg *msg;
4089
4090 msg = nlmsg_alloc();
4091 if (!msg)
4092 return -ENOMEM;
4093
9fb04070 4094 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON);
8a27af5c
JM		 4095 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4096
4097 return send_and_recv_msgs(drv, msg, NULL, NULL);
4098 nla_put_failure:
5883168a 4099 nlmsg_free(msg);
8a27af5c
JM		 4100 return -ENOBUFS;
4101}
8a27af5c
JM		 4102
4103
3f5285e8 4104/**
7e5ba1b9 4105 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 4106 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 4107 *
4108 * Shut down driver interface and processing of driver events. Free
4109 * private data buffer if one was allocated in wpa_driver_nl80211_init().
4110 */
9ebce9c5 4111static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 4112{
a2e40bb6 4113 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 4114
873d0fcf 4115 bss->in_deinit = 1;
32ab4855
JB		 4116 if (drv->data_tx_status)
4117 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 4118 if (drv->eapol_tx_sock >= 0)
4119 close(drv->eapol_tx_sock);
f10bfc9a 4120
481234cf 4121 if (bss->nl_preq)
5582a5d1 4122 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 4123 if (bss->added_if_into_bridge) {
c81eff1a
BG		 4124 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
4125 bss->ifname) < 0)
94627f6c
JM		 4126 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4127 "interface %s from bridge %s: %s",
e17a2477 4128 bss->ifname, bss->brname, strerror(errno));
94627f6c 4129 }
e17a2477 4130 if (bss->added_bridge) {
c81eff1a 4131 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 4132 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4133 "bridge %s: %s",
e17a2477 4134 bss->brname, strerror(errno));
94627f6c
JM		 4135 }
4136
460456f8 4137 nl80211_remove_monitor_interface(drv);
8a27af5c 4138
b1f625e0 4139 if (is_ap_interface(drv->nlmode))
8a27af5c 4140 wpa_driver_nl80211_del_beacon(drv);
0915d02c 4141
bbaf0837
JM		 4142#ifdef HOSTAPD
4143 if (drv->last_freq_ht) {
4144 /* Clear HT flags from the driver */
4145 struct hostapd_freq_params freq;
4146 os_memset(&freq, 0, sizeof(freq));
4147 freq.freq = drv->last_freq;
9ebce9c5 4148 wpa_driver_nl80211_set_freq(bss, &freq);
bbaf0837
JM		 4149 }
4150
bbaf0837
JM		 4151 if (drv->eapol_sock >= 0) {
4152 eloop_unregister_read_sock(drv->eapol_sock);
4153 close(drv->eapol_sock);
4154 }
4155
4156 if (drv->if_indices != drv->default_if_indices)
4157 os_free(drv->if_indices);
1b648c7e 4158#endif /* HOSTAPD */
3f5285e8 4159
b3af99d2 4160 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 4161 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
4162
36d84860
BG		 4163 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
4164 IF_OPER_UP);
8401a6b0 4165 rfkill_deinit(drv->rfkill);
3f5285e8 4166
bbaf0837
JM		 4167 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
4168
91724d6f 4169 (void) i802_set_iface_flags(bss, 0);
8e12685c
AS		 4170 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
4171 wpa_driver_nl80211_set_mode(bss, NL80211_IFTYPE_STATION);
4172 } else {
4173 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 4174 nl80211_del_p2pdev(bss);
8e12685c 4175 }
1afc986d 4176 nl_cb_put(drv->nl_cb);
3f5285e8 4177
cc7a48d1
JB		 4178 nl80211_destroy_bss(&drv->first_bss);
4179
3812464c
JM		 4180 os_free(drv->filter_ssids);
4181
536fd62d
JM		 4182 os_free(drv->auth_ie);
4183
dac12351 4184 if (drv->in_interface_list)
f2ed8023
JM		 4185 dl_list_del(&drv->list);
4186
8cd6b7bc
JB		 4187 os_free(drv->extended_capa);
4188 os_free(drv->extended_capa_mask);
3f5285e8
JM		 4189 os_free(drv);
4190}
4191
4192
4193/**
4194 * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion
ad1e68e6 4195 * @eloop_ctx: Driver private data
3f5285e8
JM		 4196 * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init()
4197 *
4198 * This function can be used as registered timeout when starting a scan to
4199 * generate a scan completed event if the driver does not report this.
4200 */
4201static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
4202{
ad1e68e6 4203 struct wpa_driver_nl80211_data *drv = eloop_ctx;
b1f625e0 4204 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) {
a2e40bb6 4205 wpa_driver_nl80211_set_mode(&drv->first_bss,
b1f625e0
EP		 4206 drv->ap_scan_as_station);
4207 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6 4208 }
3f5285e8
JM		 4209 wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
4210 wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
4211}
4212
4213
95ac3bf4
JM		 4214static struct nl_msg *
4215nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd,
d3aaef80 4216 struct wpa_driver_scan_params *params, u64 *wdev_id)
3f5285e8 4217{
95ac3bf4 4218 struct nl_msg *msg;
6a1063e0 4219 size_t i;
3f5285e8 4220
0e75527f 4221 msg = nlmsg_alloc();
f0494d0f 4222 if (!msg)
95ac3bf4 4223 return NULL;
3812464c 4224
95ac3bf4 4225 nl80211_cmd(drv, msg, 0, cmd);
0e75527f 4226
d3aaef80
DS		 4227 if (!wdev_id)
4228 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4229 else
4230 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, *wdev_id);
3f5285e8 4231
f0494d0f 4232 if (params->num_ssids) {
8970bae8
JB		 4233 struct nlattr *ssids;
4234
4235 ssids = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
f0494d0f 4236 if (ssids == NULL)
95ac3bf4 4237 goto fail;
f0494d0f
JM		 4238 for (i = 0; i < params->num_ssids; i++) {
4239 wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID",
4240 params->ssids[i].ssid,
4241 params->ssids[i].ssid_len);
8970bae8
JB		 4242 if (nla_put(msg, i + 1, params->ssids[i].ssid_len,
4243 params->ssids[i].ssid) < 0)
95ac3bf4 4244 goto fail;
f0494d0f 4245 }
8970bae8 4246 nla_nest_end(msg, ssids);
3f5285e8
JM		 4247 }
4248
d173df52 4249 if (params->extra_ies) {
3b1c7bfd
JM		 4250 wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs",
4251 params->extra_ies, params->extra_ies_len);
95ac3bf4
JM		 4252 if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len,
4253 params->extra_ies) < 0)
4254 goto fail;
d173df52
JM		 4255 }
4256
d3a98225 4257 if (params->freqs) {
8970bae8
JB		 4258 struct nlattr *freqs;
4259 freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
f0494d0f 4260 if (freqs == NULL)
95ac3bf4 4261 goto fail;
9fad706c
JM		 4262 for (i = 0; params->freqs[i]; i++) {
4263 wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u "
4264 "MHz", params->freqs[i]);
8970bae8 4265 if (nla_put_u32(msg, i + 1, params->freqs[i]) < 0)
95ac3bf4 4266 goto fail;
9fad706c 4267 }
8970bae8 4268 nla_nest_end(msg, freqs);
d3a98225
JM		 4269 }
4270
95ac3bf4
JM		 4271 os_free(drv->filter_ssids);
4272 drv->filter_ssids = params->filter_ssids;
4273 params->filter_ssids = NULL;
4274 drv->num_filter_ssids = params->num_filter_ssids;
4275
4276 return msg;
4277
4278fail:
d3aaef80 4279nla_put_failure:
95ac3bf4
JM		 4280 nlmsg_free(msg);
4281 return NULL;
4282}
4283
4284
4285/**
4286 * wpa_driver_nl80211_scan - Request the driver to initiate scan
9ebce9c5 4287 * @bss: Pointer to private driver data from wpa_driver_nl80211_init()
95ac3bf4
JM		 4288 * @params: Scan parameters
4289 * Returns: 0 on success, -1 on failure
4290 */
9ebce9c5 4291static int wpa_driver_nl80211_scan(struct i802_bss *bss,
95ac3bf4
JM		 4292 struct wpa_driver_scan_params *params)
4293{
95ac3bf4
JM		 4294 struct wpa_driver_nl80211_data *drv = bss->drv;
4295 int ret = -1, timeout;
8970bae8 4296 struct nl_msg *msg = NULL;
95ac3bf4 4297
565110cd 4298 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: scan request");
95ac3bf4
JM		 4299 drv->scan_for_auth = 0;
4300
d3aaef80
DS		 4301 msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params,
4302 bss->wdev_id_set ? &bss->wdev_id : NULL);
95ac3bf4
JM		 4303 if (!msg)
4304 return -1;
4305
47185fc7 4306 if (params->p2p_probe) {
8970bae8
JB		 4307 struct nlattr *rates;
4308
8a6a1e1b
JM		 4309 wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates");
4310
8970bae8 4311 rates = nla_nest_start(msg, NL80211_ATTR_SCAN_SUPP_RATES);
f0494d0f
JM		 4312 if (rates == NULL)
4313 goto nla_put_failure;
4314
47185fc7
RM		 4315 /*
4316 * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates
4317 * by masking out everything else apart from the OFDM rates 6,
4318 * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz
4319 * rates are left enabled.
4320 */
8970bae8 4321 NLA_PUT(msg, NL80211_BAND_2GHZ, 8,
47185fc7 4322 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
8970bae8 4323 nla_nest_end(msg, rates);
970fa12e
RM		 4324
4325 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
47185fc7
RM		 4326 }
4327
0e75527f
JM		 4328 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4329 msg = NULL;
4330 if (ret) {
4331 wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
4332 "(%s)", ret, strerror(-ret));
ad1e68e6 4333#ifdef HOSTAPD
b1f625e0 4334 if (is_ap_interface(drv->nlmode)) {
ad1e68e6
JM		 4335 /*
4336 * mac80211 does not allow scan requests in AP mode, so
4337 * try to do this in station mode.
4338 */
b1f625e0
EP		 4339 if (wpa_driver_nl80211_set_mode(
4340 bss, NL80211_IFTYPE_STATION))
ad1e68e6
JM		 4341 goto nla_put_failure;
4342
085b29f1 4343 if (wpa_driver_nl80211_scan(bss, params)) {
b1f625e0 4344 wpa_driver_nl80211_set_mode(bss, drv->nlmode);
ad1e68e6
JM		 4345 goto nla_put_failure;
4346 }
4347
4348 /* Restore AP mode when processing scan results */
b1f625e0 4349 drv->ap_scan_as_station = drv->nlmode;
ad1e68e6
JM		 4350 ret = 0;
4351 } else
4352 goto nla_put_failure;
4353#else /* HOSTAPD */
0e75527f 4354 goto nla_put_failure;
ad1e68e6 4355#endif /* HOSTAPD */
3f5285e8
JM		 4356 }
4357
4358 /* Not all drivers generate "scan completed" wireless event, so try to
4359 * read results after a timeout. */
0e75527f 4360 timeout = 10;
3f5285e8
JM		 4361 if (drv->scan_complete_events) {
4362 /*
d173df52
JM		 4363 * The driver seems to deliver events to notify when scan is
4364 * complete, so use longer timeout to avoid race conditions
4365 * with scanning and following association request.
3f5285e8
JM		 4366 */
4367 timeout = 30;
4368 }
4369 wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d "
4370 "seconds", ret, timeout);
4371 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
0e75527f
JM		 4372 eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout,
4373 drv, drv->ctx);
3f5285e8 4374
0e75527f 4375nla_put_failure:
0e75527f 4376 nlmsg_free(msg);
3f5285e8
JM		 4377 return ret;
4378}
4379
4380
d21c63b9
LC		 4381/**
4382 * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan
4383 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
4384 * @params: Scan parameters
4385 * @interval: Interval between scan cycles in milliseconds
4386 * Returns: 0 on success, -1 on failure or if not supported
4387 */
4388static int wpa_driver_nl80211_sched_scan(void *priv,
4389 struct wpa_driver_scan_params *params,
4390 u32 interval)
4391{
4392 struct i802_bss *bss = priv;
4393 struct wpa_driver_nl80211_data *drv = bss->drv;
6afbc3d6 4394 int ret = -1;
95ac3bf4 4395 struct nl_msg *msg;
d21c63b9
LC		 4396 size_t i;
4397
565110cd
JM		 4398 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: sched_scan request");
4399
216eede8
DS		 4400#ifdef ANDROID
4401 if (!drv->capa.sched_scan_supported)
4402 return android_pno_start(bss, params);
4403#endif /* ANDROID */
4404
d3aaef80
DS		 4405 msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params,
4406 bss->wdev_id_set ? &bss->wdev_id : NULL);
6afbc3d6
JM		 4407 if (!msg)
4408 goto nla_put_failure;
d21c63b9 4409
d21c63b9
LC		 4410 NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval);
4411
bf8d6d24
TP		 4412 if ((drv->num_filter_ssids &&
4413 (int) drv->num_filter_ssids <= drv->capa.max_match_sets) ||
4414 params->filter_rssi) {
8970bae8
JB		 4415 struct nlattr *match_sets;
4416 match_sets = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH);
6afbc3d6
JM		 4417 if (match_sets == NULL)
4418 goto nla_put_failure;
bd525934
LC		 4419
4420 for (i = 0; i < drv->num_filter_ssids; i++) {
8970bae8 4421 struct nlattr *match_set_ssid;
bd525934
LC		 4422 wpa_hexdump_ascii(MSG_MSGDUMP,
4423 "nl80211: Sched scan filter SSID",
4424 drv->filter_ssids[i].ssid,
4425 drv->filter_ssids[i].ssid_len);
4426
8970bae8 4427 match_set_ssid = nla_nest_start(msg, i + 1);
6afbc3d6
JM		 4428 if (match_set_ssid == NULL)
4429 goto nla_put_failure;
8970bae8 4430 NLA_PUT(msg, NL80211_ATTR_SCHED_SCAN_MATCH_SSID,
bd525934
LC		 4431 drv->filter_ssids[i].ssid_len,
4432 drv->filter_ssids[i].ssid);
4433
adc96dc2 4434 nla_nest_end(msg, match_set_ssid);
bd525934
LC		 4435 }
4436
bf8d6d24 4437 if (params->filter_rssi) {
8970bae8
JB		 4438 struct nlattr *match_set_rssi;
4439 match_set_rssi = nla_nest_start(msg, 0);
6afbc3d6
JM		 4440 if (match_set_rssi == NULL)
4441 goto nla_put_failure;
8970bae8 4442 NLA_PUT_U32(msg, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
bf8d6d24
TP		 4443 params->filter_rssi);
4444 wpa_printf(MSG_MSGDUMP,
4445 "nl80211: Sched scan RSSI filter %d dBm",
4446 params->filter_rssi);
8970bae8 4447 nla_nest_end(msg, match_set_rssi);
bf8d6d24
TP		 4448 }
4449
8970bae8 4450 nla_nest_end(msg, match_sets);
bd525934
LC		 4451 }
4452
d21c63b9
LC		 4453 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4454
4455 /* TODO: if we get an error here, we should fall back to normal scan */
4456
4457 msg = NULL;
4458 if (ret) {
4459 wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: "
4460 "ret=%d (%s)", ret, strerror(-ret));
4461 goto nla_put_failure;
4462 }
4463
4464 wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - "
4465 "scan interval %d msec", ret, interval);
4466
4467nla_put_failure:
d21c63b9 4468 nlmsg_free(msg);
d21c63b9
LC		 4469 return ret;
4470}
4471
4472
4473/**
4474 * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan
4475 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
4476 * Returns: 0 on success, -1 on failure or if not supported
4477 */
4478static int wpa_driver_nl80211_stop_sched_scan(void *priv)
4479{
4480 struct i802_bss *bss = priv;
4481 struct wpa_driver_nl80211_data *drv = bss->drv;
4482 int ret = 0;
4483 struct nl_msg *msg;
4484
216eede8
DS		 4485#ifdef ANDROID
4486 if (!drv->capa.sched_scan_supported)
4487 return android_pno_stop(bss);
4488#endif /* ANDROID */
4489
d21c63b9
LC		 4490 msg = nlmsg_alloc();
4491 if (!msg)
4492 return -1;
4493
9fb04070 4494 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN);
d21c63b9
LC		 4495
4496 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4497
4498 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4499 msg = NULL;
4500 if (ret) {
4501 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: "
4502 "ret=%d (%s)", ret, strerror(-ret));
4503 goto nla_put_failure;
4504 }
4505
4506 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret);
4507
4508nla_put_failure:
4509 nlmsg_free(msg);
4510 return ret;
4511}
4512
4513
3812464c
JM		 4514static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie)
4515{
4516 const u8 *end, *pos;
4517
4518 if (ies == NULL)
4519 return NULL;
4520
4521 pos = ies;
4522 end = ies + ies_len;
4523
4524 while (pos + 1 < end) {
4525 if (pos + 2 + pos[1] > end)
4526 break;
4527 if (pos[0] == ie)
4528 return pos;
4529 pos += 2 + pos[1];
4530 }
4531
4532 return NULL;
4533}
4534
4535
4536static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv,
4537 const u8 *ie, size_t ie_len)
4538{
4539 const u8 *ssid;
4540 size_t i;
4541
4542 if (drv->filter_ssids == NULL)
4543 return 0;
4544
4545 ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID);
4546 if (ssid == NULL)
4547 return 1;
4548
4549 for (i = 0; i < drv->num_filter_ssids; i++) {
4550 if (ssid[1] == drv->filter_ssids[i].ssid_len &&
4551 os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) ==
4552 0)
4553 return 0;
4554 }
4555
4556 return 1;
4557}
4558
4559
b3db1e1c 4560static int bss_info_handler(struct nl_msg *msg, void *arg)
3f5285e8 4561{
b3db1e1c
JM		 4562 struct nlattr *tb[NL80211_ATTR_MAX + 1];
4563 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
4564 struct nlattr *bss[NL80211_BSS_MAX + 1];
4565 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
4566 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
4567 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
4568 [NL80211_BSS_TSF] = { .type = NLA_U64 },
4569 [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 },
4570 [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 },
4571 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
4572 [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
4573 [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
e6b8efeb 4574 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
b3ad11bb 4575 [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
8c090654 4576 [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC },
b3db1e1c 4577 };
3812464c
JM		 4578 struct nl80211_bss_info_arg *_arg = arg;
4579 struct wpa_scan_results *res = _arg->res;
3f5285e8
JM		 4580 struct wpa_scan_res **tmp;
4581 struct wpa_scan_res *r;
8c090654
JM		 4582 const u8 *ie, *beacon_ie;
4583 size_t ie_len, beacon_ie_len;
4584 u8 *pos;
46957a9b 4585 size_t i;
3f5285e8 4586
b3db1e1c
JM		 4587 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
4588 genlmsg_attrlen(gnlh, 0), NULL);
4589 if (!tb[NL80211_ATTR_BSS])
4590 return NL_SKIP;
4591 if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
4592 bss_policy))
4593 return NL_SKIP;
f5a8d422
JM		 4594 if (bss[NL80211_BSS_STATUS]) {
4595 enum nl80211_bss_status status;
4596 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
4597 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
4598 bss[NL80211_BSS_FREQUENCY]) {
4599 _arg->assoc_freq =
4600 nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
4601 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
4602 _arg->assoc_freq);
4603 }
20f5a4c2
JM		 4604 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
4605 bss[NL80211_BSS_BSSID]) {
4606 os_memcpy(_arg->assoc_bssid,
4607 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
4608 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
4609 MACSTR, MAC2STR(_arg->assoc_bssid));
4610 }
f5a8d422
JM		 4611 }
4612 if (!res)
4613 return NL_SKIP;
b3db1e1c
JM		 4614 if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
4615 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
4616 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
4617 } else {
4618 ie = NULL;
4619 ie_len = 0;
4620 }
8c090654
JM		 4621 if (bss[NL80211_BSS_BEACON_IES]) {
4622 beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]);
4623 beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]);
4624 } else {
4625 beacon_ie = NULL;
4626 beacon_ie_len = 0;
4627 }
3f5285e8 4628
3812464c
JM		 4629 if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie,
4630 ie ? ie_len : beacon_ie_len))
4631 return NL_SKIP;
4632
8c090654 4633 r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len);
3f5285e8 4634 if (r == NULL)
b3db1e1c
JM		 4635 return NL_SKIP;
4636 if (bss[NL80211_BSS_BSSID])
4637 os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]),
4638 ETH_ALEN);
4639 if (bss[NL80211_BSS_FREQUENCY])
4640 r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
4641 if (bss[NL80211_BSS_BEACON_INTERVAL])
4642 r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]);
4643 if (bss[NL80211_BSS_CAPABILITY])
4644 r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]);
7c2849d2
JM		 4645 r->flags |= WPA_SCAN_NOISE_INVALID;
4646 if (bss[NL80211_BSS_SIGNAL_MBM]) {
b3db1e1c 4647 r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]);
7c2849d2
JM		 4648 r->level /= 100; /* mBm to dBm */
4649 r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID;
4650 } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) {
4651 r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
98ac6763 4652 r->flags |= WPA_SCAN_QUAL_INVALID;
7c2849d2
JM		 4653 } else
4654 r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID;
b3db1e1c
JM		 4655 if (bss[NL80211_BSS_TSF])
4656 r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]);
b3ad11bb
JM		 4657 if (bss[NL80211_BSS_SEEN_MS_AGO])
4658 r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]);
b3db1e1c 4659 r->ie_len = ie_len;
8c090654
JM		 4660 pos = (u8 *) (r + 1);
4661 if (ie) {
4662 os_memcpy(pos, ie, ie_len);
4663 pos += ie_len;
4664 }
4665 r->beacon_ie_len = beacon_ie_len;
4666 if (beacon_ie)
4667 os_memcpy(pos, beacon_ie, beacon_ie_len);
3f5285e8 4668
e6b8efeb
JM		 4669 if (bss[NL80211_BSS_STATUS]) {
4670 enum nl80211_bss_status status;
4671 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
4672 switch (status) {
4673 case NL80211_BSS_STATUS_AUTHENTICATED:
4674 r->flags |= WPA_SCAN_AUTHENTICATED;
4675 break;
4676 case NL80211_BSS_STATUS_ASSOCIATED:
4677 r->flags |= WPA_SCAN_ASSOCIATED;
4678 break;
4679 default:
4680 break;
4681 }
4682 }
4683
46957a9b
JM		 4684 /*
4685 * cfg80211 maintains separate BSS table entries for APs if the same
4686 * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does
4687 * not use frequency as a separate key in the BSS table, so filter out
4688 * duplicated entries. Prefer associated BSS entry in such a case in
4689 * order to get the correct frequency into the BSS table.
4690 */
4691 for (i = 0; i < res->num; i++) {
4692 const u8 *s1, *s2;
4693 if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0)
4694 continue;
4695
4696 s1 = nl80211_get_ie((u8 *) (res->res[i] + 1),
4697 res->res[i]->ie_len, WLAN_EID_SSID);
4698 s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID);
4699 if (s1 == NULL || s2 == NULL || s1[1] != s2[1] ||
4700 os_memcmp(s1, s2, 2 + s1[1]) != 0)
4701 continue;
4702
4703 /* Same BSSID,SSID was already included in scan results */
4704 wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result "
4705 "for " MACSTR, MAC2STR(r->bssid));
4706
4707 if ((r->flags & WPA_SCAN_ASSOCIATED) &&
4708 !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) {
4709 os_free(res->res[i]);
4710 res->res[i] = r;
4711 } else
4712 os_free(r);
4713 return NL_SKIP;
4714 }
4715
067ffa26
JM		 4716 tmp = os_realloc_array(res->res, res->num + 1,
4717 sizeof(struct wpa_scan_res *));
3f5285e8
JM		 4718 if (tmp == NULL) {
4719 os_free(r);
b3db1e1c 4720 return NL_SKIP;
3f5285e8
JM		 4721 }
4722 tmp[res->num++] = r;
4723 res->res = tmp;
b3db1e1c
JM		 4724
4725 return NL_SKIP;
3f5285e8 4726}
b3db1e1c 4727
3f5285e8 4728
d72aad94
JM		 4729static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv,
4730 const u8 *addr)
4731{
4732 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
4733 wpa_printf(MSG_DEBUG, "nl80211: Clear possible state "
582507be 4734 "mismatch (" MACSTR ")", MAC2STR(addr));
d72aad94
JM		 4735 wpa_driver_nl80211_mlme(drv, addr,
4736 NL80211_CMD_DEAUTHENTICATE,
77339912 4737 WLAN_REASON_PREV_AUTH_NOT_VALID, 1);
d72aad94
JM		 4738 }
4739}
4740
4741
e6b8efeb
JM		 4742static void wpa_driver_nl80211_check_bss_status(
4743 struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res)
4744{
4745 size_t i;
4746
4747 for (i = 0; i < res->num; i++) {
4748 struct wpa_scan_res *r = res->res[i];
4749 if (r->flags & WPA_SCAN_AUTHENTICATED) {
4750 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
4751 "indicates BSS status with " MACSTR
4752 " as authenticated",
4753 MAC2STR(r->bssid));
b1f625e0 4754 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4755 os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 &&
4756 os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) !=
4757 0) {
4758 wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID"
4759 " in local state (auth=" MACSTR
4760 " assoc=" MACSTR ")",
4761 MAC2STR(drv->auth_bssid),
4762 MAC2STR(drv->bssid));
582507be 4763 clear_state_mismatch(drv, r->bssid);
e6b8efeb
JM		 4764 }
4765 }
4766
4767 if (r->flags & WPA_SCAN_ASSOCIATED) {
4768 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
4769 "indicate BSS status with " MACSTR
4770 " as associated",
4771 MAC2STR(r->bssid));
b1f625e0 4772 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4773 !drv->associated) {
4774 wpa_printf(MSG_DEBUG, "nl80211: Local state "
4775 "(not associated) does not match "
4776 "with BSS state");
d72aad94 4777 clear_state_mismatch(drv, r->bssid);
b1f625e0 4778 } else if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4779 os_memcmp(drv->bssid, r->bssid, ETH_ALEN) !=
4780 0) {
4781 wpa_printf(MSG_DEBUG, "nl80211: Local state "
4782 "(associated with " MACSTR ") does "
4783 "not match with BSS state",
d72aad94
JM		 4784 MAC2STR(drv->bssid));
4785 clear_state_mismatch(drv, r->bssid);
4786 clear_state_mismatch(drv, drv->bssid);
e6b8efeb
JM		 4787 }
4788 }
4789 }
4790}
4791
4792
7e5ba1b9 4793static struct wpa_scan_results *
8856462d 4794nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv)
3f5285e8 4795{
b3db1e1c 4796 struct nl_msg *msg;
3f5285e8 4797 struct wpa_scan_results *res;
b3db1e1c 4798 int ret;
3812464c 4799 struct nl80211_bss_info_arg arg;
3f5285e8
JM		 4800
4801 res = os_zalloc(sizeof(*res));
b3db1e1c 4802 if (res == NULL)
8e2c104f 4803 return NULL;
b3db1e1c
JM		 4804 msg = nlmsg_alloc();
4805 if (!msg)
4806 goto nla_put_failure;
3f5285e8 4807
9fb04070 4808 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
fdc554b8
AS		 4809 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
4810 goto nla_put_failure;
3f5285e8 4811
3812464c
JM		 4812 arg.drv = drv;
4813 arg.res = res;
4814 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
b3db1e1c
JM		 4815 msg = NULL;
4816 if (ret == 0) {
577db0ae
GM		 4817 wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu "
4818 "BSSes)", (unsigned long) res->num);
4819 nl80211_get_noise_for_scan_results(drv, res);
b3db1e1c 4820 return res;
3f5285e8 4821 }
b3db1e1c
JM		 4822 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
4823 "(%s)", ret, strerror(-ret));
4824nla_put_failure:
4825 nlmsg_free(msg);
4826 wpa_scan_results_free(res);
4827 return NULL;
3f5285e8
JM		 4828}
4829
4830
8856462d
JM		 4831/**
4832 * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results
4833 * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
4834 * Returns: Scan results on success, -1 on failure
4835 */
4836static struct wpa_scan_results *
4837wpa_driver_nl80211_get_scan_results(void *priv)
4838{
a2e40bb6
FF		 4839 struct i802_bss *bss = priv;
4840 struct wpa_driver_nl80211_data *drv = bss->drv;
8856462d
JM		 4841 struct wpa_scan_results *res;
4842
4843 res = nl80211_get_scan_results(drv);
4844 if (res)
4845 wpa_driver_nl80211_check_bss_status(drv, res);
4846 return res;
4847}
4848
4849
4850static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv)
4851{
4852 struct wpa_scan_results *res;
4853 size_t i;
4854
4855 res = nl80211_get_scan_results(drv);
4856 if (res == NULL) {
4857 wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results");
4858 return;
4859 }
4860
4861 wpa_printf(MSG_DEBUG, "nl80211: Scan result dump");
4862 for (i = 0; i < res->num; i++) {
4863 struct wpa_scan_res *r = res->res[i];
4864 wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s",
4865 (int) i, (int) res->num, MAC2STR(r->bssid),
4866 r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "",
4867 r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : "");
4868 }
4869
4870 wpa_scan_results_free(res);
4871}
4872
4873
9ebce9c5 4874static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 4875 enum wpa_alg alg, const u8 *addr,
4876 int key_idx, int set_tx,
642187d6
JM		 4877 const u8 *seq, size_t seq_len,
4878 const u8 *key, size_t key_len)
3f5285e8 4879{
a2e40bb6 4880 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 4881 int ifindex;
3f5285e8 4882 struct nl_msg *msg;
1ad1cdc2 4883 int ret;
dc01de8a 4884 int tdls = 0;
3f5285e8 4885
e472e1b4
AS		 4886 /* Ignore for P2P Device */
4887 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
4888 return 0;
4889
4890 ifindex = if_nametoindex(ifname);
8393e1a0 4891 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 4892 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 4893 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 4894 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 4895#ifdef CONFIG_TDLS
dc01de8a 4896 if (key_idx == -1) {
8c66e185 4897 key_idx = 0;
dc01de8a
JM		 4898 tdls = 1;
4899 }
8c66e185 4900#endif /* CONFIG_TDLS */
3f5285e8
JM		 4901
4902 msg = nlmsg_alloc();
1ad1cdc2
JM		 4903 if (!msg)
4904 return -ENOMEM;
3f5285e8
JM		 4905
4906 if (alg == WPA_ALG_NONE) {
9fb04070 4907 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY);
3f5285e8 4908 } else {
9fb04070 4909 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY);
3f5285e8 4910 NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
d723bab4
JM		 4911 switch (alg) {
4912 case WPA_ALG_WEP:
4913 if (key_len == 5)
4914 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4915 WLAN_CIPHER_SUITE_WEP40);
4916 else
4917 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4918 WLAN_CIPHER_SUITE_WEP104);
4919 break;
4920 case WPA_ALG_TKIP:
4921 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4922 WLAN_CIPHER_SUITE_TKIP);
4923 break;
4924 case WPA_ALG_CCMP:
4925 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4926 WLAN_CIPHER_SUITE_CCMP);
4927 break;
eb7719ff
JM		 4928 case WPA_ALG_GCMP:
4929 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4930 WLAN_CIPHER_SUITE_GCMP);
4931 break;
d723bab4
JM		 4932 case WPA_ALG_IGTK:
4933 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4934 WLAN_CIPHER_SUITE_AES_CMAC);
4935 break;
369c8d7b
JM		 4936 case WPA_ALG_SMS4:
4937 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4938 WLAN_CIPHER_SUITE_SMS4);
4939 break;
4940 case WPA_ALG_KRK:
4941 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4942 WLAN_CIPHER_SUITE_KRK);
4943 break;
d723bab4
JM		 4944 default:
4945 wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
4946 "algorithm %d", __func__, alg);
3f5285e8
JM		 4947 nlmsg_free(msg);
4948 return -1;
4949 }
4950 }
4951
849ef835 4952 if (seq && seq_len)
1ad1cdc2
JM		 4953 NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq);
4954
0382097e 4955 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8
JM		 4956 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
4957 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
89c38e32
JM		 4958
4959 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
4960 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
4961 NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE,
4962 NL80211_KEYTYPE_GROUP);
4963 }
60ea8187 4964 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 4965 struct nlattr *types;
4966
60ea8187 4967 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 4968
4969 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 4970 if (!types)
4971 goto nla_put_failure;
8970bae8
JB		 4972 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
4973 nla_nest_end(msg, types);
3f5285e8
JM		 4974 }
4975 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
1ad1cdc2 4976 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
3f5285e8 4977
1ad1cdc2 4978 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
15664ad0 4979 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 4980 ret = 0;
4981 if (ret)
4982 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
4983 ret, strerror(-ret));
3f5285e8 4984
1ad1cdc2
JM		 4985 /*
4986 * If we failed or don't need to set the default TX key (below),
4987 * we're done here.
4988 */
dc01de8a 4989 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 4990 return ret;
b1f625e0 4991 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 4992 !is_broadcast_ether_addr(addr))
de12717a 4993 return ret;
3f5285e8 4994
1ad1cdc2
JM		 4995 msg = nlmsg_alloc();
4996 if (!msg)
4997 return -ENOMEM;
3f5285e8 4998
9fb04070 4999 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY);
1ad1cdc2
JM		 5000 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
5001 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
5002 if (alg == WPA_ALG_IGTK)
5003 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
5004 else
5005 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
60ea8187 5006 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 5007 struct nlattr *types;
5008
5009 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5010 if (!types)
5011 goto nla_put_failure;
8970bae8
JB		 5012 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
5013 nla_nest_end(msg, types);
60ea8187 5014 } else if (addr) {
8970bae8
JB		 5015 struct nlattr *types;
5016
5017 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5018 if (!types)
5019 goto nla_put_failure;
8970bae8
JB		 5020 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST);
5021 nla_nest_end(msg, types);
60ea8187 5022 }
3f5285e8 5023
1ad1cdc2
JM		 5024 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5025 if (ret == -ENOENT)
5026 ret = 0;
5027 if (ret)
5028 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
5029 "err=%d %s)", ret, strerror(-ret));
5030 return ret;
3f5285e8
JM		 5031
5032nla_put_failure:
5883168a 5033 nlmsg_free(msg);
6241fcb1 5034 return -ENOBUFS;
3f5285e8
JM		 5035}
5036
5037
71934751 5038static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 5039 int key_idx, int defkey,
5040 const u8 *seq, size_t seq_len,
5041 const u8 *key, size_t key_len)
5042{
5043 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
5044 if (!key_attr)
5045 return -1;
5046
5047 if (defkey && alg == WPA_ALG_IGTK)
5048 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT);
5049 else if (defkey)
5050 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
5051
5052 NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx);
5053
d723bab4
JM		 5054 switch (alg) {
5055 case WPA_ALG_WEP:
5056 if (key_len == 5)
2aa5f847
JM		 5057 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5058 WLAN_CIPHER_SUITE_WEP40);
d723bab4 5059 else
2aa5f847
JM		 5060 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5061 WLAN_CIPHER_SUITE_WEP104);
d723bab4
JM		 5062 break;
5063 case WPA_ALG_TKIP:
2aa5f847 5064 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_TKIP);
d723bab4
JM		 5065 break;
5066 case WPA_ALG_CCMP:
2aa5f847 5067 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_CCMP);
d723bab4 5068 break;
eb7719ff
JM		 5069 case WPA_ALG_GCMP:
5070 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_GCMP);
5071 break;
d723bab4 5072 case WPA_ALG_IGTK:
2aa5f847
JM		 5073 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5074 WLAN_CIPHER_SUITE_AES_CMAC);
d723bab4
JM		 5075 break;
5076 default:
5077 wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
5078 "algorithm %d", __func__, alg);
0194fedb 5079 return -1;
d723bab4 5080 }
0194fedb
JB		 5081
5082 if (seq && seq_len)
5083 NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq);
5084
5085 NLA_PUT(msg, NL80211_KEY_DATA, key_len, key);
5086
5087 nla_nest_end(msg, key_attr);
5088
5089 return 0;
5090 nla_put_failure:
5091 return -1;
5092}
5093
c811d5bc 5094
cfaab580
ZY		 5095static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
5096 struct nl_msg *msg)
5097{
5098 int i, privacy = 0;
5099 struct nlattr *nl_keys, *nl_key;
5100
5101 for (i = 0; i < 4; i++) {
5102 if (!params->wep_key[i])
5103 continue;
5104 privacy = 1;
5105 break;
5106 }
ce04af5a
JM		 5107 if (params->wps == WPS_MODE_PRIVACY)
5108 privacy = 1;
5109 if (params->pairwise_suite &&
5110 params->pairwise_suite != WPA_CIPHER_NONE)
5111 privacy = 1;
5112
cfaab580
ZY		 5113 if (!privacy)
5114 return 0;
5115
5116 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
5117
5118 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
5119 if (!nl_keys)
5120 goto nla_put_failure;
5121
5122 for (i = 0; i < 4; i++) {
5123 if (!params->wep_key[i])
5124 continue;
5125
5126 nl_key = nla_nest_start(msg, i);
5127 if (!nl_key)
5128 goto nla_put_failure;
5129
5130 NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i],
5131 params->wep_key[i]);
5132 if (params->wep_key_len[i] == 5)
5133 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5134 WLAN_CIPHER_SUITE_WEP40);
5135 else
5136 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5137 WLAN_CIPHER_SUITE_WEP104);
5138
5139 NLA_PUT_U8(msg, NL80211_KEY_IDX, i);
5140
5141 if (i == params->wep_tx_keyidx)
5142 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
5143
5144 nla_nest_end(msg, nl_key);
5145 }
5146 nla_nest_end(msg, nl_keys);
5147
5148 return 0;
5149
5150nla_put_failure:
5151 return -ENOBUFS;
5152}
5153
5154
c2a04078 5155static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 5156 const u8 *addr, int cmd, u16 reason_code,
5157 int local_state_change)
c2a04078
JM		 5158{
5159 int ret = -1;
5160 struct nl_msg *msg;
5161
5162 msg = nlmsg_alloc();
5163 if (!msg)
5164 return -1;
5165
9fb04070 5166 nl80211_cmd(drv, msg, 0, cmd);
c2a04078
JM		 5167
5168 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5169 NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code);
817762d9
MI		 5170 if (addr)
5171 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
77339912
JM		 5172 if (local_state_change)
5173 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
c2a04078
JM		 5174
5175 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5176 msg = NULL;
5177 if (ret) {
3b7ea880
BG		 5178 wpa_dbg(drv->ctx, MSG_DEBUG,
5179 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
5180 reason_code, ret, strerror(-ret));
c2a04078
JM		 5181 goto nla_put_failure;
5182 }
5183 ret = 0;
5184
5185nla_put_failure:
5186 nlmsg_free(msg);
5187 return ret;
5188}
3f5285e8
JM		 5189
5190
cfaab580 5191static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 5192 int reason_code)
cfaab580 5193{
3f53c006
JJ		 5194 int ret;
5195
817762d9 5196 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 5197 nl80211_mark_disconnected(drv);
817762d9 5198 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 5199 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
5200 reason_code, 0);
5201 /*
5202 * For locally generated disconnect, supplicant already generates a
5203 * DEAUTH event, so ignore the event from NL80211.
5204 */
5205 drv->ignore_next_local_disconnect = ret == 0;
5206
5207 return ret;
cfaab580
ZY		 5208}
5209
5210
9ebce9c5
JM		 5211static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
5212 const u8 *addr, int reason_code)
3f5285e8 5213{
a2e40bb6 5214 struct wpa_driver_nl80211_data *drv = bss->drv;
cfaab580 5215 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 5216 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 5217 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
5218 __func__, MAC2STR(addr), reason_code);
add9b7a4 5219 nl80211_mark_disconnected(drv);
21bdbe38
JM		 5220 if (drv->nlmode == NL80211_IFTYPE_ADHOC)
5221 return nl80211_leave_ibss(drv);
c2a04078 5222 return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
77339912 5223 reason_code, 0);
3f5285e8
JM		 5224}
5225
5226
536fd62d
JM		 5227static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
5228 struct wpa_driver_auth_params *params)
5229{
5230 int i;
5231
5232 drv->auth_freq = params->freq;
5233 drv->auth_alg = params->auth_alg;
5234 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
5235 drv->auth_local_state_change = params->local_state_change;
5236 drv->auth_p2p = params->p2p;
5237
5238 if (params->bssid)
5239 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
5240 else
5241 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
5242
5243 if (params->ssid) {
5244 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
5245 drv->auth_ssid_len = params->ssid_len;
5246 } else
5247 drv->auth_ssid_len = 0;
5248
5249
5250 os_free(drv->auth_ie);
5251 drv->auth_ie = NULL;
5252 drv->auth_ie_len = 0;
5253 if (params->ie) {
5254 drv->auth_ie = os_malloc(params->ie_len);
5255 if (drv->auth_ie) {
5256 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
5257 drv->auth_ie_len = params->ie_len;
5258 }
5259 }
5260
5261 for (i = 0; i < 4; i++) {
5262 if (params->wep_key[i] && params->wep_key_len[i] &&
5263 params->wep_key_len[i] <= 16) {
5264 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
5265 params->wep_key_len[i]);
5266 drv->auth_wep_key_len[i] = params->wep_key_len[i];
5267 } else
5268 drv->auth_wep_key_len[i] = 0;
5269 }
5270}
5271
5272
c2a04078 5273static int wpa_driver_nl80211_authenticate(
9ebce9c5 5274 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 5275{
a2e40bb6 5276 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 5277 int ret = -1, i;
c2a04078
JM		 5278 struct nl_msg *msg;
5279 enum nl80211_auth_type type;
2f4f73b1 5280 enum nl80211_iftype nlmode;
6d6f4bb8 5281 int count = 0;
536fd62d
JM		 5282 int is_retry;
5283
5284 is_retry = drv->retry_auth;
5285 drv->retry_auth = 0;
c2a04078 5286
add9b7a4 5287 nl80211_mark_disconnected(drv);
e6b8efeb 5288 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 5289 if (params->bssid)
5290 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5291 else
5292 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 5293 /* FIX: IBSS mode */
2f4f73b1
EP		 5294 nlmode = params->p2p ?
5295 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5296 if (drv->nlmode != nlmode &&
9ebce9c5 5297 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 5298 return -1;
5299
6d6f4bb8 5300retry:
c2a04078
JM		 5301 msg = nlmsg_alloc();
5302 if (!msg)
5303 return -1;
5304
5305 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
5306 drv->ifindex);
a0b2f99b 5307
9fb04070 5308 nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE);
0194fedb 5309
a0b2f99b
JM		 5310 for (i = 0; i < 4; i++) {
5311 if (!params->wep_key[i])
5312 continue;
9ebce9c5 5313 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 5314 NULL, i,
a0b2f99b
JM		 5315 i == params->wep_tx_keyidx, NULL, 0,
5316 params->wep_key[i],
5317 params->wep_key_len[i]);
0194fedb
JB		 5318 if (params->wep_tx_keyidx != i)
5319 continue;
5320 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
5321 params->wep_key[i], params->wep_key_len[i])) {
5322 nlmsg_free(msg);
5323 return -1;
5324 }
a0b2f99b
JM		 5325 }
5326
c2a04078
JM		 5327 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5328 if (params->bssid) {
5329 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5330 MAC2STR(params->bssid));
5331 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
5332 }
5333 if (params->freq) {
5334 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
5335 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
5336 }
5337 if (params->ssid) {
5338 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
5339 params->ssid, params->ssid_len);
5340 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
5341 params->ssid);
5342 }
5343 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
5344 if (params->ie)
5345 NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie);
569fed90
JM		 5346 if (params->sae_data) {
5347 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
5348 params->sae_data_len);
5349 NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
5350 params->sae_data);
5351 }
abd9fafa 5352 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 5353 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 5354 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 5355 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 5356 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 5357 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 5358 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 5359 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 5360 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
5361 type = NL80211_AUTHTYPE_SAE;
c2a04078
JM		 5362 else
5363 goto nla_put_failure;
5364 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
5365 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
77339912
JM		 5366 if (params->local_state_change) {
5367 wpa_printf(MSG_DEBUG, " * Local state change only");
5368 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
5369 }
c2a04078
JM		 5370
5371 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5372 msg = NULL;
5373 if (ret) {
3b7ea880
BG		 5374 wpa_dbg(drv->ctx, MSG_DEBUG,
5375 "nl80211: MLME command failed (auth): ret=%d (%s)",
5376 ret, strerror(-ret));
6d6f4bb8 5377 count++;
77339912
JM		 5378 if (ret == -EALREADY && count == 1 && params->bssid &&
5379 !params->local_state_change) {
6d6f4bb8
JM		 5380 /*
5381 * mac80211 does not currently accept new
5382 * authentication if we are already authenticated. As a
5383 * workaround, force deauthentication and try again.
5384 */
5385 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
5386 "after forced deauthentication");
5387 wpa_driver_nl80211_deauthenticate(
5205c4f9 5388 bss, params->bssid,
6d6f4bb8
JM		 5389 WLAN_REASON_PREV_AUTH_NOT_VALID);
5390 nlmsg_free(msg);
5391 goto retry;
5392 }
536fd62d
JM		 5393
5394 if (ret == -ENOENT && params->freq && !is_retry) {
5395 /*
5396 * cfg80211 has likely expired the BSS entry even
5397 * though it was previously available in our internal
5398 * BSS table. To recover quickly, start a single
5399 * channel scan on the specified channel.
5400 */
5401 struct wpa_driver_scan_params scan;
5402 int freqs[2];
5403
5404 os_memset(&scan, 0, sizeof(scan));
5405 scan.num_ssids = 1;
5406 if (params->ssid) {
5407 scan.ssids[0].ssid = params->ssid;
5408 scan.ssids[0].ssid_len = params->ssid_len;
5409 }
5410 freqs[0] = params->freq;
5411 freqs[1] = 0;
5412 scan.freqs = freqs;
5413 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
5414 "channel scan to refresh cfg80211 BSS "
5415 "entry");
5416 ret = wpa_driver_nl80211_scan(bss, &scan);
5417 if (ret == 0) {
5418 nl80211_copy_auth_params(drv, params);
5419 drv->scan_for_auth = 1;
5420 }
8c3ba078
JM		 5421 } else if (is_retry) {
5422 /*
5423 * Need to indicate this with an event since the return
5424 * value from the retry is not delivered to core code.
5425 */
5426 union wpa_event_data event;
5427 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
5428 "failed");
5429 os_memset(&event, 0, sizeof(event));
5430 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
5431 ETH_ALEN);
5432 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
5433 &event);
536fd62d
JM		 5434 }
5435
c2a04078
JM		 5436 goto nla_put_failure;
5437 }
5438 ret = 0;
5439 wpa_printf(MSG_DEBUG, "nl80211: Authentication request send "
5440 "successfully");
5441
5442nla_put_failure:
5443 nlmsg_free(msg);
5444 return ret;
5445}
5446
5447
536fd62d
JM		 5448static int wpa_driver_nl80211_authenticate_retry(
5449 struct wpa_driver_nl80211_data *drv)
5450{
5451 struct wpa_driver_auth_params params;
5452 struct i802_bss *bss = &drv->first_bss;
5453 int i;
5454
5455 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
5456
5457 os_memset(&params, 0, sizeof(params));
5458 params.freq = drv->auth_freq;
5459 params.auth_alg = drv->auth_alg;
5460 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
5461 params.local_state_change = drv->auth_local_state_change;
5462 params.p2p = drv->auth_p2p;
5463
5464 if (!is_zero_ether_addr(drv->auth_bssid_))
5465 params.bssid = drv->auth_bssid_;
5466
5467 if (drv->auth_ssid_len) {
5468 params.ssid = drv->auth_ssid;
5469 params.ssid_len = drv->auth_ssid_len;
5470 }
5471
5472 params.ie = drv->auth_ie;
5473 params.ie_len = drv->auth_ie_len;
5474
5475 for (i = 0; i < 4; i++) {
5476 if (drv->auth_wep_key_len[i]) {
5477 params.wep_key[i] = drv->auth_wep_key[i];
5478 params.wep_key_len[i] = drv->auth_wep_key_len[i];
5479 }
5480 }
5481
5482 drv->retry_auth = 1;
5483 return wpa_driver_nl80211_authenticate(bss, &params);
5484}
5485
5486
282d5590
JM		 5487struct phy_info_arg {
5488 u16 *num_modes;
5489 struct hostapd_hw_modes *modes;
43245552 5490 int last_mode, last_chan_idx;
282d5590
JM		 5491};
5492
e62a1d43
JM		 5493static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
5494 struct nlattr *ampdu_factor,
5495 struct nlattr *ampdu_density,
5496 struct nlattr *mcs_set)
5497{
5498 if (capa)
5499 mode->ht_capab = nla_get_u16(capa);
5500
5501 if (ampdu_factor)
5502 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
5503
5504 if (ampdu_density)
5505 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
5506
5507 if (mcs_set && nla_len(mcs_set) >= 16) {
5508 u8 *mcs;
5509 mcs = nla_data(mcs_set);
5510 os_memcpy(mode->mcs_set, mcs, 16);
5511 }
5512}
5513
5514
5515static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
5516 struct nlattr *capa,
5517 struct nlattr *mcs_set)
5518{
5519 if (capa)
5520 mode->vht_capab = nla_get_u32(capa);
5521
5522 if (mcs_set && nla_len(mcs_set) >= 8) {
5523 u8 *mcs;
5524 mcs = nla_data(mcs_set);
5525 os_memcpy(mode->vht_mcs_set, mcs, 8);
5526 }
5527}
5528
5529
214a77b0
JM		 5530static void phy_info_freq(struct hostapd_hw_modes *mode,
5531 struct hostapd_channel_data *chan,
5532 struct nlattr *tb_freq[])
5533{
e864c0ae 5534 u8 channel;
214a77b0
JM		 5535 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
5536 chan->flag = 0;
e864c0ae
JM		 5537 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
5538 chan->chan = channel;
214a77b0
JM		 5539
5540 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
5541 chan->flag |= HOSTAPD_CHAN_DISABLED;
5542 if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
5543 chan->flag |= HOSTAPD_CHAN_PASSIVE_SCAN;
5544 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
5545 chan->flag |= HOSTAPD_CHAN_NO_IBSS;
5546 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
5547 chan->flag |= HOSTAPD_CHAN_RADAR;
5548
5549 if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
5550 !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
5551 chan->max_tx_power = nla_get_u32(
5552 tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) / 100;
fc96522e
SW		 5553 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
5554 enum nl80211_dfs_state state =
5555 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
5556
5557 switch (state) {
5558 case NL80211_DFS_USABLE:
5559 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
5560 break;
5561 case NL80211_DFS_AVAILABLE:
5562 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
5563 break;
5564 case NL80211_DFS_UNAVAILABLE:
5565 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
5566 break;
5567 }
5568 }
214a77b0
JM		 5569}
5570
5571
e62a1d43
JM		 5572static int phy_info_freqs(struct phy_info_arg *phy_info,
5573 struct hostapd_hw_modes *mode, struct nlattr *tb)
282d5590 5574{
282d5590
JM		 5575 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
5576 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
5577 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
5578 [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
5579 [NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
5580 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
5581 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
fc96522e 5582 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
282d5590 5583 };
e62a1d43
JM		 5584 int new_channels = 0;
5585 struct hostapd_channel_data *channel;
5586 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
5587 struct nlattr *nl_freq;
5588 int rem_freq, idx;
5589
5590 if (tb == NULL)
5591 return NL_OK;
5592
5593 nla_for_each_nested(nl_freq, tb, rem_freq) {
5594 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
5595 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
5596 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
5597 continue;
5598 new_channels++;
5599 }
5600
5601 channel = os_realloc_array(mode->channels,
5602 mode->num_channels + new_channels,
5603 sizeof(struct hostapd_channel_data));
5604 if (!channel)
5605 return NL_SKIP;
5606
5607 mode->channels = channel;
5608 mode->num_channels += new_channels;
5609
5610 idx = phy_info->last_chan_idx;
5611
5612 nla_for_each_nested(nl_freq, tb, rem_freq) {
5613 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
5614 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
5615 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
5616 continue;
214a77b0 5617 phy_info_freq(mode, &mode->channels[idx], tb_freq);
e62a1d43
JM		 5618 idx++;
5619 }
5620 phy_info->last_chan_idx = idx;
5621
5622 return NL_OK;
5623}
5624
5625
5626static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
5627{
282d5590
JM		 5628 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
5629 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
3cfcad1b
JM		 5630 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
5631 { .type = NLA_FLAG },
282d5590 5632 };
e62a1d43 5633 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
282d5590 5634 struct nlattr *nl_rate;
e62a1d43
JM		 5635 int rem_rate, idx;
5636
5637 if (tb == NULL)
5638 return NL_OK;
5639
5640 nla_for_each_nested(nl_rate, tb, rem_rate) {
5641 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
5642 nla_data(nl_rate), nla_len(nl_rate),
5643 rate_policy);
5644 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
5645 continue;
5646 mode->num_rates++;
5647 }
5648
5649 mode->rates = os_calloc(mode->num_rates, sizeof(int));
5650 if (!mode->rates)
5651 return NL_SKIP;
5652
5653 idx = 0;
5654
5655 nla_for_each_nested(nl_rate, tb, rem_rate) {
5656 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
5657 nla_data(nl_rate), nla_len(nl_rate),
5658 rate_policy);
5659 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
5660 continue;
5661 mode->rates[idx] = nla_get_u32(
5662 tb_rate[NL80211_BITRATE_ATTR_RATE]);
e62a1d43
JM		 5663 idx++;
5664 }
5665
5666 return NL_OK;
5667}
5668
5669
5670static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
5671{
5672 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
282d5590 5673 struct hostapd_hw_modes *mode;
e62a1d43 5674 int ret;
282d5590 5675
3cfcad1b
JM		 5676 if (phy_info->last_mode != nl_band->nla_type) {
5677 mode = os_realloc_array(phy_info->modes,
5678 *phy_info->num_modes + 1,
5679 sizeof(*mode));
5680 if (!mode)
5681 return NL_SKIP;
5682 phy_info->modes = mode;
5683
5684 mode = &phy_info->modes[*(phy_info->num_modes)];
5685 os_memset(mode, 0, sizeof(*mode));
5686 mode->mode = NUM_HOSTAPD_MODES;
c8ebeda4
MK		 5687 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
5688 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
5689
5690 /*
5691 * Unsupported VHT MCS stream is defined as value 3, so the VHT
5692 * MCS RX/TX map must be initialized with 0xffff to mark all 8
5693 * possible streams as unsupported. This will be overridden if
5694 * driver advertises VHT support.
5695 */
5696 mode->vht_mcs_set[0] = 0xff;
5697 mode->vht_mcs_set[1] = 0xff;
5698 mode->vht_mcs_set[4] = 0xff;
5699 mode->vht_mcs_set[5] = 0xff;
5700
3cfcad1b
JM		 5701 *(phy_info->num_modes) += 1;
5702 phy_info->last_mode = nl_band->nla_type;
5703 phy_info->last_chan_idx = 0;
5704 } else
5705 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
282d5590 5706
3cfcad1b
JM		 5707 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
5708 nla_len(nl_band), NULL);
282d5590 5709
e62a1d43
JM		 5710 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
5711 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
5712 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
5713 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
5714 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
5715 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
5716 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
5717 if (ret != NL_OK)
5718 return ret;
5719 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
5720 if (ret != NL_OK)
5721 return ret;
282d5590 5722
3cfcad1b
JM		 5723 return NL_OK;
5724}
5725
5726
5727static int phy_info_handler(struct nl_msg *msg, void *arg)
5728{
5729 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
5730 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5731 struct phy_info_arg *phy_info = arg;
5732 struct nlattr *nl_band;
5733 int rem_band;
5734
5735 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5736 genlmsg_attrlen(gnlh, 0), NULL);
5737
5738 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
5739 return NL_SKIP;
5740
5741 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
5742 {
5743 int res = phy_info_band(phy_info, nl_band);
5744 if (res != NL_OK)
5745 return res;
5746 }
5747
282d5590
JM		 5748 return NL_SKIP;
5749}
5750
3cfcad1b 5751
282d5590 5752static struct hostapd_hw_modes *
c30a4ab0
JB		 5753wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
5754 u16 *num_modes)
282d5590
JM		 5755{
5756 u16 m;
5757 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
5758 int i, mode11g_idx = -1;
5759
c30a4ab0
JB		 5760 /* heuristic to set up modes */
5761 for (m = 0; m < *num_modes; m++) {
5762 if (!modes[m].num_channels)
5763 continue;
5764 if (modes[m].channels[0].freq < 4000) {
5765 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
5766 for (i = 0; i < modes[m].num_rates; i++) {
5767 if (modes[m].rates[i] > 200) {
5768 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
5769 break;
5770 }
5771 }
5772 } else if (modes[m].channels[0].freq > 50000)
5773 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
5774 else
5775 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
5776 }
5777
282d5590
JM		 5778 /* If only 802.11g mode is included, use it to construct matching
5779 * 802.11b mode data. */
5780
5781 for (m = 0; m < *num_modes; m++) {
5782 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
5783 return modes; /* 802.11b already included */
5784 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
5785 mode11g_idx = m;
5786 }
5787
5788 if (mode11g_idx < 0)
5789 return modes; /* 2.4 GHz band not supported at all */
5790
067ffa26 5791 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
282d5590
JM		 5792 if (nmodes == NULL)
5793 return modes; /* Could not add 802.11b mode */
5794
5795 mode = &nmodes[*num_modes];
5796 os_memset(mode, 0, sizeof(*mode));
5797 (*num_modes)++;
5798 modes = nmodes;
5799
5800 mode->mode = HOSTAPD_MODE_IEEE80211B;
5801
5802 mode11g = &modes[mode11g_idx];
5803 mode->num_channels = mode11g->num_channels;
5804 mode->channels = os_malloc(mode11g->num_channels *
5805 sizeof(struct hostapd_channel_data));
5806 if (mode->channels == NULL) {
5807 (*num_modes)--;
5808 return modes; /* Could not add 802.11b mode */
5809 }
5810 os_memcpy(mode->channels, mode11g->channels,
5811 mode11g->num_channels * sizeof(struct hostapd_channel_data));
5812
5813 mode->num_rates = 0;
fb7842aa 5814 mode->rates = os_malloc(4 * sizeof(int));
282d5590
JM		 5815 if (mode->rates == NULL) {
5816 os_free(mode->channels);
5817 (*num_modes)--;
5818 return modes; /* Could not add 802.11b mode */
5819 }
5820
5821 for (i = 0; i < mode11g->num_rates; i++) {
fb7842aa
JM		 5822 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
5823 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
282d5590
JM		 5824 continue;
5825 mode->rates[mode->num_rates] = mode11g->rates[i];
5826 mode->num_rates++;
5827 if (mode->num_rates == 4)
5828 break;
5829 }
5830
5831 if (mode->num_rates == 0) {
5832 os_free(mode->channels);
5833 os_free(mode->rates);
5834 (*num_modes)--;
5835 return modes; /* No 802.11b rates */
5836 }
5837
5838 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
5839 "information");
5840
5841 return modes;
5842}
5843
5844
d8e66e80
JM		 5845static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
5846 int end)
5847{
5848 int c;
5849
5850 for (c = 0; c < mode->num_channels; c++) {
5851 struct hostapd_channel_data *chan = &mode->channels[c];
5852 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
5853 chan->flag |= HOSTAPD_CHAN_HT40;
5854 }
5855}
5856
5857
5858static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
5859 int end)
5860{
5861 int c;
5862
5863 for (c = 0; c < mode->num_channels; c++) {
5864 struct hostapd_channel_data *chan = &mode->channels[c];
5865 if (!(chan->flag & HOSTAPD_CHAN_HT40))
5866 continue;
5867 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
5868 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
5869 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
5870 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
5871 }
5872}
5873
5874
5875static void nl80211_reg_rule_ht40(struct nlattr *tb[],
5876 struct phy_info_arg *results)
5877{
5878 u32 start, end, max_bw;
5879 u16 m;
5880
5881 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
5882 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
5883 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
5884 return;
5885
5886 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
5887 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
5888 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
5889
5890 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz",
5891 start, end, max_bw);
5892 if (max_bw < 40)
5893 return;
5894
5895 for (m = 0; m < *results->num_modes; m++) {
5896 if (!(results->modes[m].ht_capab &
5897 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
5898 continue;
5899 nl80211_set_ht40_mode(&results->modes[m], start, end);
5900 }
5901}
5902
5903
5904static void nl80211_reg_rule_sec(struct nlattr *tb[],
5905 struct phy_info_arg *results)
5906{
5907 u32 start, end, max_bw;
5908 u16 m;
5909
5910 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
5911 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
5912 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
5913 return;
5914
5915 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
5916 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
5917 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
5918
5919 if (max_bw < 20)
5920 return;
5921
5922 for (m = 0; m < *results->num_modes; m++) {
5923 if (!(results->modes[m].ht_capab &
5924 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
5925 continue;
5926 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
5927 }
5928}
5929
5930
5931static int nl80211_get_reg(struct nl_msg *msg, void *arg)
5932{
5933 struct phy_info_arg *results = arg;
5934 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
5935 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5936 struct nlattr *nl_rule;
5937 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
5938 int rem_rule;
5939 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
5940 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
5941 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
5942 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
5943 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
5944 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
5945 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
5946 };
5947
5948 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5949 genlmsg_attrlen(gnlh, 0), NULL);
5950 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
5951 !tb_msg[NL80211_ATTR_REG_RULES]) {
5952 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
5953 "available");
5954 return NL_SKIP;
5955 }
5956
5957 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
5958 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
5959
5960 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
5961 {
5962 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
5963 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
5964 nl80211_reg_rule_ht40(tb_rule, results);
5965 }
5966
5967 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
5968 {
5969 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
5970 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
5971 nl80211_reg_rule_sec(tb_rule, results);
5972 }
5973
5974 return NL_SKIP;
5975}
5976
5977
5978static int nl80211_set_ht40_flags(struct wpa_driver_nl80211_data *drv,
5979 struct phy_info_arg *results)
5980{
5981 struct nl_msg *msg;
5982
5983 msg = nlmsg_alloc();
5984 if (!msg)
5985 return -ENOMEM;
5986
9fb04070 5987 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
d8e66e80
JM		 5988 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
5989}
5990
5991
282d5590
JM		 5992static struct hostapd_hw_modes *
5993wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
5994{
43245552 5995 u32 feat;
a2e40bb6
FF		 5996 struct i802_bss *bss = priv;
5997 struct wpa_driver_nl80211_data *drv = bss->drv;
282d5590
JM		 5998 struct nl_msg *msg;
5999 struct phy_info_arg result = {
6000 .num_modes = num_modes,
6001 .modes = NULL,
43245552 6002 .last_mode = -1,
282d5590
JM		 6003 };
6004
6005 *num_modes = 0;
6006 *flags = 0;
6007
6008 msg = nlmsg_alloc();
6009 if (!msg)
6010 return NULL;
6011
43245552
DJ		 6012 feat = get_nl80211_protocol_features(drv);
6013 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
6014 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
6015 else
6016 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
282d5590 6017
43245552 6018 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
282d5590
JM		 6019 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6020
d8e66e80
JM		 6021 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
6022 nl80211_set_ht40_flags(drv, &result);
c30a4ab0
JB		 6023 return wpa_driver_nl80211_postprocess_modes(result.modes,
6024 num_modes);
d8e66e80 6025 }
5883168a 6026 msg = NULL;
282d5590 6027 nla_put_failure:
5883168a 6028 nlmsg_free(msg);
282d5590
JM		 6029 return NULL;
6030}
6031
6032
a11241fa
JB		 6033static int wpa_driver_nl80211_send_mntr(struct wpa_driver_nl80211_data *drv,
6034 const void *data, size_t len,
6035 int encrypt, int noack)
2c2010ac
JM		 6036{
6037 __u8 rtap_hdr[] = {
6038 0x00, 0x00, /* radiotap version */
6039 0x0e, 0x00, /* radiotap length */
6040 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */
6041 IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */
6042 0x00, /* padding */
6043 0x00, 0x00, /* RX and TX flags to indicate that */
6044 0x00, 0x00, /* this is the injected frame directly */
6045 };
6046 struct iovec iov[2] = {
6047 {
6048 .iov_base = &rtap_hdr,
6049 .iov_len = sizeof(rtap_hdr),
6050 },
6051 {
6052 .iov_base = (void *) data,
6053 .iov_len = len,
6054 }
6055 };
6056 struct msghdr msg = {
6057 .msg_name = NULL,
6058 .msg_namelen = 0,
6059 .msg_iov = iov,
6060 .msg_iovlen = 2,
6061 .msg_control = NULL,
6062 .msg_controllen = 0,
6063 .msg_flags = 0,
6064 };
ebbec8b2 6065 int res;
fab25336 6066 u16 txflags = 0;
2c2010ac
JM		 6067
6068 if (encrypt)
6069 rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP;
6070
866af8b6
JM		 6071 if (drv->monitor_sock < 0) {
6072 wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available "
6073 "for %s", __func__);
6074 return -1;
6075 }
6076
fab25336
HS		 6077 if (noack)
6078 txflags |= IEEE80211_RADIOTAP_F_TX_NOACK;
9d7a63dc 6079 WPA_PUT_LE16(&rtap_hdr[12], txflags);
fab25336 6080
ebbec8b2
JM		 6081 res = sendmsg(drv->monitor_sock, &msg, 0);
6082 if (res < 0) {
6083 wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno));
6084 return -1;
6085 }
6086 return 0;
2c2010ac
JM		 6087}
6088
6089
a11241fa
JB		 6090static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
6091 const void *data, size_t len,
55231068
JM		 6092 int encrypt, int noack,
6093 unsigned int freq, int no_cck,
6094 int offchanok, unsigned int wait_time)
a11241fa
JB		 6095{
6096 struct wpa_driver_nl80211_data *drv = bss->drv;
6097 u64 cookie;
6098
55231068
JM		 6099 if (freq == 0)
6100 freq = bss->freq;
6101
a11241fa
JB		 6102 if (drv->use_monitor)
6103 return wpa_driver_nl80211_send_mntr(drv, data, len,
6104 encrypt, noack);
6105
55231068
JM		 6106 return nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
6107 &cookie, no_cck, noack, offchanok);
a11241fa
JB		 6108}
6109
6110
9ebce9c5
JM		 6111static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
6112 size_t data_len, int noack,
6113 unsigned int freq, int no_cck,
6114 int offchanok,
6115 unsigned int wait_time)
2c2010ac 6116{
a2e40bb6 6117 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 6118 struct ieee80211_mgmt *mgmt;
7a47d567 6119 int encrypt = 1;
2c2010ac
JM		 6120 u16 fc;
6121
6122 mgmt = (struct ieee80211_mgmt *) data;
6123 fc = le_to_host16(mgmt->frame_control);
6124
8e12685c
AS		 6125 if ((is_sta_interface(drv->nlmode) ||
6126 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 6127 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6128 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
6129 /*
6130 * The use of last_mgmt_freq is a bit of a hack,
6131 * but it works due to the single-threaded nature
6132 * of wpa_supplicant.
6133 */
55231068
JM		 6134 if (freq == 0)
6135 freq = drv->last_mgmt_freq;
6136 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7
JB		 6137 data, data_len, NULL, 1, noack,
6138 1);
5582a5d1
JB		 6139 }
6140
61cbe2ff 6141 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
55231068
JM		 6142 if (freq == 0)
6143 freq = bss->freq;
b5671498
JM		 6144 return nl80211_send_frame_cmd(bss, freq,
6145 (int) freq == bss->freq ? 0 :
6146 wait_time,
d8d6b32e
DG		 6147 data, data_len,
6148 &drv->send_action_cookie,
55231068 6149 no_cck, noack, offchanok);
86957e62
JM		 6150 }
6151
2c2010ac
JM		 6152 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6153 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
6154 /*
6155 * Only one of the authentication frame types is encrypted.
6156 * In order for static WEP encryption to work properly (i.e.,
6157 * to not encrypt the frame), we need to tell mac80211 about
6158 * the frames that must not be encrypted.
6159 */
6160 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
6161 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 6162 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
6163 encrypt = 0;
2c2010ac
JM		 6164 }
6165
a11241fa 6166 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068
JM		 6167 noack, freq, no_cck, offchanok,
6168 wait_time);
6169}
6170
6171
31357268 6172static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47
JM		 6173 int slot, int ht_opmode, int ap_isolate,
6174 int *basic_rates)
31357268
JM		 6175{
6176 struct wpa_driver_nl80211_data *drv = bss->drv;
6177 struct nl_msg *msg;
6178
6179 msg = nlmsg_alloc();
6180 if (!msg)
6181 return -ENOMEM;
6182
9fb04070 6183 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS);
31357268
JM		 6184
6185 if (cts >= 0)
6186 NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
6187 if (preamble >= 0)
6188 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
6189 if (slot >= 0)
6190 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
6191 if (ht_opmode >= 0)
6192 NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode);
d03e8d11
JM		 6193 if (ap_isolate >= 0)
6194 NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate);
e5693c47
JM		 6195
6196 if (basic_rates) {
6197 u8 rates[NL80211_MAX_SUPP_RATES];
6198 u8 rates_len = 0;
6199 int i;
6200
6201 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
6202 i++)
6203 rates[rates_len++] = basic_rates[i] / 5;
6204
6205 NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
6206 }
6207
31357268
JM		 6208 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
6209
6210 return send_and_recv_msgs(drv, msg, NULL, NULL);
6211 nla_put_failure:
5883168a 6212 nlmsg_free(msg);
31357268
JM		 6213 return -ENOBUFS;
6214}
6215
6216
3c4ca363
VN		 6217static int wpa_driver_nl80211_set_acl(void *priv,
6218 struct hostapd_acl_params *params)
6219{
6220 struct i802_bss *bss = priv;
6221 struct wpa_driver_nl80211_data *drv = bss->drv;
6222 struct nl_msg *msg;
6223 struct nlattr *acl;
6224 unsigned int i;
6225 int ret = 0;
6226
6227 if (!(drv->capa.max_acl_mac_addrs))
6228 return -ENOTSUP;
6229
6230 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
6231 return -ENOTSUP;
6232
6233 msg = nlmsg_alloc();
6234 if (!msg)
6235 return -ENOMEM;
6236
6237 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
6238 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
6239
6240 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_MAC_ACL);
6241
6242 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6243
6244 NLA_PUT_U32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
6245 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
6246 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED);
6247
6248 acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
6249 if (acl == NULL)
6250 goto nla_put_failure;
6251
6252 for (i = 0; i < params->num_mac_acl; i++)
6253 NLA_PUT(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr);
6254
6255 nla_nest_end(msg, acl);
6256
6257 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6258 msg = NULL;
6259 if (ret) {
6260 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
6261 ret, strerror(-ret));
6262 }
6263
6264nla_put_failure:
6265 nlmsg_free(msg);
6266
6267 return ret;
6268}
6269
6270
19c3b566
JM		 6271static int wpa_driver_nl80211_set_ap(void *priv,
6272 struct wpa_driver_ap_params *params)
d2440ba0 6273{
a2e40bb6
FF		 6274 struct i802_bss *bss = priv;
6275 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 6276 struct nl_msg *msg;
6277 u8 cmd = NL80211_CMD_NEW_BEACON;
6278 int ret;
b4fd6fab 6279 int beacon_set;
8b897f5a 6280 int ifindex = if_nametoindex(bss->ifname);
b11d1d64
JM		 6281 int num_suites;
6282 u32 suites[10];
6283 u32 ver;
b4fd6fab 6284
b4fd6fab 6285 beacon_set = bss->beacon_set;
d2440ba0
JM		 6286
6287 msg = nlmsg_alloc();
6288 if (!msg)
6289 return -ENOMEM;
6290
6291 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 6292 beacon_set);
6293 if (beacon_set)
d2440ba0
JM		 6294 cmd = NL80211_CMD_SET_BEACON;
6295
9fb04070 6296 nl80211_cmd(drv, msg, 0, cmd);
b92e08fc
JM		 6297 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
6298 params->head, params->head_len);
19c3b566 6299 NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head);
b92e08fc
JM		 6300 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
6301 params->tail, params->tail_len);
19c3b566 6302 NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail);
b92e08fc 6303 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", ifindex);
b4fd6fab 6304 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
b92e08fc 6305 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
19c3b566 6306 NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int);
b92e08fc 6307 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
19c3b566 6308 NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period);
b92e08fc
JM		 6309 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
6310 params->ssid, params->ssid_len);
ccb941e6
JM		 6311 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
6312 params->ssid);
b92e08fc
JM		 6313 if (params->proberesp && params->proberesp_len) {
6314 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
6315 params->proberesp, params->proberesp_len);
5ed33546
AN		 6316 NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
6317 params->proberesp);
b92e08fc 6318 }
97a7a0b5
JM		 6319 switch (params->hide_ssid) {
6320 case NO_SSID_HIDING:
b92e08fc 6321 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
97a7a0b5
JM		 6322 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6323 NL80211_HIDDEN_SSID_NOT_IN_USE);
6324 break;
6325 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 6326 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
97a7a0b5
JM		 6327 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6328 NL80211_HIDDEN_SSID_ZERO_LEN);
6329 break;
6330 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 6331 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
97a7a0b5
JM		 6332 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6333 NL80211_HIDDEN_SSID_ZERO_CONTENTS);
6334 break;
6335 }
b92e08fc 6336 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
b11d1d64
JM		 6337 if (params->privacy)
6338 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
b92e08fc 6339 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 6340 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
6341 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
6342 /* Leave out the attribute */
6343 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED)
6344 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
6345 NL80211_AUTHTYPE_SHARED_KEY);
6346 else
6347 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
6348 NL80211_AUTHTYPE_OPEN_SYSTEM);
6349
b92e08fc 6350 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 6351 ver = 0;
6352 if (params->wpa_version & WPA_PROTO_WPA)
6353 ver |= NL80211_WPA_VERSION_1;
6354 if (params->wpa_version & WPA_PROTO_RSN)
6355 ver |= NL80211_WPA_VERSION_2;
6356 if (ver)
6357 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
6358
b92e08fc
JM		 6359 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
6360 params->key_mgmt_suites);
b11d1d64
JM		 6361 num_suites = 0;
6362 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
6363 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
6364 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
6365 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
6366 if (num_suites) {
6367 NLA_PUT(msg, NL80211_ATTR_AKM_SUITES,
6368 num_suites * sizeof(u32), suites);
6369 }
6370
9f12614b
JB		 6371 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X &&
6372 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40))
6373 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT);
6374
b92e08fc
JM		 6375 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
6376 params->pairwise_ciphers);
b11d1d64
JM		 6377 num_suites = 0;
6378 if (params->pairwise_ciphers & WPA_CIPHER_CCMP)
6379 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
eb7719ff
JM		 6380 if (params->pairwise_ciphers & WPA_CIPHER_GCMP)
6381 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
b11d1d64
JM		 6382 if (params->pairwise_ciphers & WPA_CIPHER_TKIP)
6383 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
6384 if (params->pairwise_ciphers & WPA_CIPHER_WEP104)
6385 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
6386 if (params->pairwise_ciphers & WPA_CIPHER_WEP40)
6387 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
6388 if (num_suites) {
6389 NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
6390 num_suites * sizeof(u32), suites);
6391 }
6392
b92e08fc
JM		 6393 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
6394 params->group_cipher);
b11d1d64
JM		 6395 switch (params->group_cipher) {
6396 case WPA_CIPHER_CCMP:
6397 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6398 WLAN_CIPHER_SUITE_CCMP);
6399 break;
eb7719ff
JM		 6400 case WPA_CIPHER_GCMP:
6401 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6402 WLAN_CIPHER_SUITE_GCMP);
6403 break;
b11d1d64
JM		 6404 case WPA_CIPHER_TKIP:
6405 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6406 WLAN_CIPHER_SUITE_TKIP);
6407 break;
6408 case WPA_CIPHER_WEP104:
6409 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6410 WLAN_CIPHER_SUITE_WEP104);
6411 break;
6412 case WPA_CIPHER_WEP40:
6413 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6414 WLAN_CIPHER_SUITE_WEP40);
6415 break;
6416 }
d2440ba0 6417
fb91db56 6418 if (params->beacon_ies) {
b92e08fc
JM		 6419 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
6420 params->beacon_ies);
fb91db56
JM		 6421 NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies),
6422 wpabuf_head(params->beacon_ies));
6423 }
6424 if (params->proberesp_ies) {
b92e08fc
JM		 6425 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
6426 params->proberesp_ies);
fb91db56
JM		 6427 NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP,
6428 wpabuf_len(params->proberesp_ies),
6429 wpabuf_head(params->proberesp_ies));
6430 }
6431 if (params->assocresp_ies) {
b92e08fc
JM		 6432 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
6433 params->assocresp_ies);
fb91db56
JM		 6434 NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP,
6435 wpabuf_len(params->assocresp_ies),
6436 wpabuf_head(params->assocresp_ies));
6437 }
6438
a0133ee1 6439 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 6440 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
6441 params->ap_max_inactivity);
a0133ee1
VT		 6442 NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
6443 params->ap_max_inactivity);
6444 }
6445
d2440ba0
JM		 6446 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6447 if (ret) {
6448 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
6449 ret, strerror(-ret));
b4fd6fab 6450 } else {
b4fd6fab 6451 bss->beacon_set = 1;
31357268 6452 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 6453 params->short_slot_time, params->ht_opmode,
e5693c47 6454 params->isolate, params->basic_rates);
b4fd6fab 6455 }
d2440ba0
JM		 6456 return ret;
6457 nla_put_failure:
5883168a 6458 nlmsg_free(msg);
d2440ba0
JM		 6459 return -ENOBUFS;
6460}
6461
6462
e4fb2167 6463static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
89b800d7 6464 struct hostapd_freq_params *freq)
1581b38b 6465{
e4fb2167 6466 struct wpa_driver_nl80211_data *drv = bss->drv;
1581b38b 6467 struct nl_msg *msg;
d2440ba0 6468 int ret;
1581b38b 6469
89b800d7
JB		 6470 wpa_printf(MSG_DEBUG, "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d,"
6471 " bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
6472 freq->freq, freq->ht_enabled, freq->vht_enabled,
6473 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1581b38b
JM		 6474 msg = nlmsg_alloc();
6475 if (!msg)
6476 return -1;
6477
9fb04070 6478 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
1581b38b
JM		 6479
6480 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
89b800d7
JB		 6481 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
6482 if (freq->vht_enabled) {
6483 switch (freq->bandwidth) {
6484 case 20:
6485 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6486 NL80211_CHAN_WIDTH_20);
6487 break;
6488 case 40:
6489 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6490 NL80211_CHAN_WIDTH_40);
6491 break;
6492 case 80:
6493 if (freq->center_freq2)
6494 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6495 NL80211_CHAN_WIDTH_80P80);
6496 else
6497 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6498 NL80211_CHAN_WIDTH_80);
6499 break;
6500 case 160:
6501 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6502 NL80211_CHAN_WIDTH_160);
6503 break;
6504 default:
6505 return -1;
6506 }
6507 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1);
6508 if (freq->center_freq2)
6509 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2,
6510 freq->center_freq2);
6511 } else if (freq->ht_enabled) {
6512 switch (freq->sec_channel_offset) {
f019981a
JM		 6513 case -1:
6514 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6515 NL80211_CHAN_HT40MINUS);
6516 break;
6517 case 1:
6518 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6519 NL80211_CHAN_HT40PLUS);
6520 break;
6521 default:
6522 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6523 NL80211_CHAN_HT20);
6524 break;
6525 }
6526 }
1581b38b 6527
d2440ba0 6528 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6529 msg = NULL;
e4fb2167 6530 if (ret == 0) {
89b800d7 6531 bss->freq = freq->freq;
1581b38b 6532 return 0;
e4fb2167 6533 }
f019981a 6534 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 6535 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b 6536nla_put_failure:
5883168a 6537 nlmsg_free(msg);
1581b38b
JM		 6538 return -1;
6539}
6540
0f4e8b4f 6541
95ab6063
AN		 6542static u32 sta_flags_nl80211(int flags)
6543{
6544 u32 f = 0;
6545
6546 if (flags & WPA_STA_AUTHORIZED)
6547 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
6548 if (flags & WPA_STA_WMM)
6549 f |= BIT(NL80211_STA_FLAG_WME);
6550 if (flags & WPA_STA_SHORT_PREAMBLE)
6551 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
6552 if (flags & WPA_STA_MFP)
6553 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 6554 if (flags & WPA_STA_TDLS_PEER)
6555 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
95ab6063
AN		 6556
6557 return f;
6558}
6559
6560
62847751 6561static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 6562 struct hostapd_sta_add_params *params)
6563{
a2e40bb6
FF		 6564 struct i802_bss *bss = priv;
6565 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 6566 struct nl_msg *msg;
95ab6063 6567 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 6568 int ret = -ENOBUFS;
6569
45b722f1
AN		 6570 if ((params->flags & WPA_STA_TDLS_PEER) &&
6571 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6572 return -EOPNOTSUPP;
6573
0f4e8b4f
JM		 6574 msg = nlmsg_alloc();
6575 if (!msg)
6576 return -ENOMEM;
6577
e4dea253
JM		 6578 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
6579 params->set ? "Set" : "Add", MAC2STR(params->addr));
45b722f1
AN		 6580 nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION :
6581 NL80211_CMD_NEW_STATION);
0f4e8b4f 6582
62847751 6583 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
0f4e8b4f 6584 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr);
0f4e8b4f
JM		 6585 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len,
6586 params->supp_rates);
e4dea253
JM		 6587 wpa_hexdump(MSG_DEBUG, " * supported rates", params->supp_rates,
6588 params->supp_rates_len);
45b722f1 6589 if (!params->set) {
f11b72c3
JM		 6590 if (params->aid) {
6591 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
6592 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid);
6593 } else {
6594 /*
6595 * cfg80211 validates that AID is non-zero, so we have
6596 * to make this a non-zero value for the TDLS case where
6597 * a dummy STA entry is used for now.
6598 */
6599 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
6600 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, 1);
6601 }
e4dea253
JM		 6602 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
6603 params->listen_interval);
45b722f1
AN		 6604 NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
6605 params->listen_interval);
e112764e
JM		 6606 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
6607 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
6608 NLA_PUT_U16(msg, NL80211_ATTR_PEER_AID, params->aid);
45b722f1 6609 }
0f4e8b4f 6610 if (params->ht_capabilities) {
e4dea253
JM		 6611 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
6612 (u8 *) params->ht_capabilities,
6613 sizeof(*params->ht_capabilities));
0f4e8b4f 6614 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY,
fc4e2d95
JM		 6615 sizeof(*params->ht_capabilities),
6616 params->ht_capabilities);
0f4e8b4f 6617 }
0f4e8b4f 6618
05a8d422 6619 if (params->vht_capabilities) {
e4dea253
JM		 6620 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
6621 (u8 *) params->vht_capabilities,
6622 sizeof(*params->vht_capabilities));
05a8d422
JB		 6623 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY,
6624 sizeof(*params->vht_capabilities),
6625 params->vht_capabilities);
6626 }
6627
122d16f2
SD		 6628 wpa_printf(MSG_DEBUG, " * capability=0x%x", params->capability);
6629 NLA_PUT_U16(msg, NL80211_ATTR_STA_CAPABILITY, params->capability);
6630
6631 if (params->ext_capab) {
6632 wpa_hexdump(MSG_DEBUG, " * ext_capab",
6633 params->ext_capab, params->ext_capab_len);
6634 NLA_PUT(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
6635 params->ext_capab_len, params->ext_capab);
6636 }
6637
95ab6063
AN		 6638 os_memset(&upd, 0, sizeof(upd));
6639 upd.mask = sta_flags_nl80211(params->flags);
6640 upd.set = upd.mask;
e4dea253
JM		 6641 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
6642 upd.set, upd.mask);
95ab6063
AN		 6643 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
6644
774bfa62 6645 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 6646 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
6647
774bfa62
EP		 6648 if (!wme)
6649 goto nla_put_failure;
6650
e4dea253 6651 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
8970bae8 6652 NLA_PUT_U8(msg, NL80211_STA_WME_UAPSD_QUEUES,
5d061637 6653 params->qosinfo & WMM_QOSINFO_STA_AC_MASK);
8970bae8 6654 NLA_PUT_U8(msg, NL80211_STA_WME_MAX_SP,
bdaf1748 6655 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
5d061637 6656 WMM_QOSINFO_STA_SP_MASK);
8970bae8 6657 nla_nest_end(msg, wme);
774bfa62
EP		 6658 }
6659
0f4e8b4f 6660 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6661 msg = NULL;
0f4e8b4f 6662 if (ret)
45b722f1
AN		 6663 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
6664 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
6665 strerror(-ret));
0f4e8b4f
JM		 6666 if (ret == -EEXIST)
6667 ret = 0;
6668 nla_put_failure:
5883168a 6669 nlmsg_free(msg);
0f4e8b4f
JM		 6670 return ret;
6671}
6672
6673
9ebce9c5 6674static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr)
0f4e8b4f 6675{
a2e40bb6 6676 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 6677 struct nl_msg *msg;
6678 int ret;
6679
6680 msg = nlmsg_alloc();
6681 if (!msg)
6682 return -ENOMEM;
6683
9fb04070 6684 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
0f4e8b4f
JM		 6685
6686 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 6687 if_nametoindex(bss->ifname));
0f4e8b4f
JM		 6688 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
6689
6690 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 6691 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
6692 " --> %d (%s)",
6693 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
0f4e8b4f
JM		 6694 if (ret == -ENOENT)
6695 return 0;
6696 return ret;
6697 nla_put_failure:
5883168a 6698 nlmsg_free(msg);
0f4e8b4f
JM		 6699 return -ENOBUFS;
6700}
6701
1581b38b 6702
0915d02c
JM		 6703static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
6704 int ifidx)
6705{
6706 struct nl_msg *msg;
6707
c6e8e8e4
JM		 6708 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
6709
2135f224
JM		 6710 /* stop listening for EAPOL on this interface */
6711 del_ifidx(drv, ifidx);
2135f224 6712
0915d02c
JM		 6713 msg = nlmsg_alloc();
6714 if (!msg)
6715 goto nla_put_failure;
6716
9fb04070 6717 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 6718 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx);
6719
6720 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
6721 return;
5883168a 6722 msg = NULL;
0915d02c 6723 nla_put_failure:
5883168a 6724 nlmsg_free(msg);
e748062b 6725 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 6726}
6727
6728
a1922f93
JM		 6729static const char * nl80211_iftype_str(enum nl80211_iftype mode)
6730{
6731 switch (mode) {
6732 case NL80211_IFTYPE_ADHOC:
6733 return "ADHOC";
6734 case NL80211_IFTYPE_STATION:
6735 return "STATION";
6736 case NL80211_IFTYPE_AP:
6737 return "AP";
1045ec36
JM		 6738 case NL80211_IFTYPE_AP_VLAN:
6739 return "AP_VLAN";
6740 case NL80211_IFTYPE_WDS:
6741 return "WDS";
a1922f93
JM		 6742 case NL80211_IFTYPE_MONITOR:
6743 return "MONITOR";
1045ec36
JM		 6744 case NL80211_IFTYPE_MESH_POINT:
6745 return "MESH_POINT";
a1922f93
JM		 6746 case NL80211_IFTYPE_P2P_CLIENT:
6747 return "P2P_CLIENT";
6748 case NL80211_IFTYPE_P2P_GO:
6749 return "P2P_GO";
7aad838c
NS		 6750 case NL80211_IFTYPE_P2P_DEVICE:
6751 return "P2P_DEVICE";
a1922f93
JM		 6752 default:
6753 return "unknown";
6754 }
6755}
6756
6757
a35187e7
KH		 6758static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
6759 const char *ifname,
6760 enum nl80211_iftype iftype,
d6dcfcda
DS		 6761 const u8 *addr, int wds,
6762 int (*handler)(struct nl_msg *, void *),
6763 void *arg)
0915d02c 6764{
8970bae8 6765 struct nl_msg *msg;
0915d02c
JM		 6766 int ifidx;
6767 int ret = -ENOBUFS;
6768
a1922f93
JM		 6769 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
6770 iftype, nl80211_iftype_str(iftype));
6771
0915d02c
JM		 6772 msg = nlmsg_alloc();
6773 if (!msg)
6774 return -1;
6775
9fb04070 6776 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE);
fa93de40
AS		 6777 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
6778 goto nla_put_failure;
0915d02c
JM		 6779 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
6780 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
6781
6782 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 6783 struct nlattr *flags;
0915d02c 6784
8970bae8 6785 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
0915d02c
JM		 6786 if (!flags)
6787 goto nla_put_failure;
6788
8970bae8 6789 NLA_PUT_FLAG(msg, NL80211_MNTR_FLAG_COOK_FRAMES);
0915d02c 6790
8970bae8 6791 nla_nest_end(msg, flags);
fbbfcbac
FF		 6792 } else if (wds) {
6793 NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds);
0915d02c
JM		 6794 }
6795
d6dcfcda 6796 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 6797 msg = NULL;
0915d02c
JM		 6798 if (ret) {
6799 nla_put_failure:
5883168a 6800 nlmsg_free(msg);
a35187e7
KH		 6801 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
6802 ifname, ret, strerror(-ret));
0915d02c
JM		 6803 return ret;
6804 }
6805
f632e483 6806 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 6807 return 0;
6bae92e0 6808
0915d02c 6809 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 6810 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
6811 ifname, ifidx);
0915d02c
JM		 6812
6813 if (ifidx <= 0)
6814 return -1;
6815
2135f224
JM		 6816 /* start listening for EAPOL on this interface */
6817 add_ifidx(drv, ifidx);
6818
7bfc47c3 6819 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 6820 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 6821 nl80211_remove_iface(drv, ifidx);
6822 return -1;
2135f224 6823 }
2135f224 6824
0915d02c
JM		 6825 return ifidx;
6826}
22a7c9d7
JM		 6827
6828
a35187e7
KH		 6829static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
6830 const char *ifname, enum nl80211_iftype iftype,
d6dcfcda
DS		 6831 const u8 *addr, int wds,
6832 int (*handler)(struct nl_msg *, void *),
6833 void *arg)
a35187e7
KH		 6834{
6835 int ret;
6836
d6dcfcda
DS		 6837 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
6838 arg);
a35187e7 6839
ffbf1eaa 6840 /* if error occurred and interface exists already */
a35187e7
KH		 6841 if (ret == -ENFILE && if_nametoindex(ifname)) {
6842 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
6843
6844 /* Try to remove the interface that was already there. */
6845 nl80211_remove_iface(drv, if_nametoindex(ifname));
6846
6847 /* Try to create the interface again */
fbbfcbac 6848 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 6849 wds, handler, arg);
a35187e7
KH		 6850 }
6851
6a71413e 6852 if (ret >= 0 && is_p2p_net_interface(iftype))
4e5cb1a3
JM		 6853 nl80211_disable_11b_rates(drv, ret, 1);
6854
a35187e7
KH		 6855 return ret;
6856}
0915d02c 6857
2135f224 6858
0915d02c
JM		 6859static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok)
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);
6867
f8b1f695
JM		 6868 os_memset(&event, 0, sizeof(event));
6869 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
6870 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
6871 event.tx_status.dst = hdr->addr1;
6872 event.tx_status.data = buf;
6873 event.tx_status.data_len = len;
6874 event.tx_status.ack = ok;
6875 wpa_supplicant_event(ctx, EVENT_TX_STATUS, &event);
0915d02c
JM		 6876}
6877
6878
4b9841d3 6879static void from_unknown_sta(struct wpa_driver_nl80211_data *drv,
0d9fc3d8 6880 u8 *buf, size_t len)
0915d02c 6881{
9b90955e
JB		 6882 struct ieee80211_hdr *hdr = (void *)buf;
6883 u16 fc;
f8b1f695 6884 union wpa_event_data event;
9b90955e
JB		 6885
6886 if (len < sizeof(*hdr))
6887 return;
6888
6889 fc = le_to_host16(hdr->frame_control);
6890
f8b1f695 6891 os_memset(&event, 0, sizeof(event));
9b90955e
JB		 6892 event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len);
6893 event.rx_from_unknown.addr = hdr->addr2;
6894 event.rx_from_unknown.wds = (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) ==
6895 (WLAN_FC_FROMDS | WLAN_FC_TODS);
f8b1f695 6896 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
4b9841d3 6897}
0915d02c 6898
4b9841d3
JM		 6899
6900static void handle_frame(struct wpa_driver_nl80211_data *drv,
2a8b7416 6901 u8 *buf, size_t len, int datarate, int ssi_signal)
4b9841d3
JM		 6902{
6903 struct ieee80211_hdr *hdr;
f8b1f695
JM		 6904 u16 fc;
6905 union wpa_event_data event;
0915d02c
JM		 6906
6907 hdr = (struct ieee80211_hdr *) buf;
6908 fc = le_to_host16(hdr->frame_control);
0915d02c 6909
4b9841d3 6910 switch (WLAN_FC_GET_TYPE(fc)) {
0915d02c 6911 case WLAN_FC_TYPE_MGMT:
f8b1f695
JM		 6912 os_memset(&event, 0, sizeof(event));
6913 event.rx_mgmt.frame = buf;
6914 event.rx_mgmt.frame_len = len;
2a8b7416
JM		 6915 event.rx_mgmt.datarate = datarate;
6916 event.rx_mgmt.ssi_signal = ssi_signal;
f8b1f695 6917 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
0915d02c
JM		 6918 break;
6919 case WLAN_FC_TYPE_CTRL:
6920 /* can only get here with PS-Poll frames */
6921 wpa_printf(MSG_DEBUG, "CTRL");
0d9fc3d8 6922 from_unknown_sta(drv, buf, len);
0915d02c
JM		 6923 break;
6924 case WLAN_FC_TYPE_DATA:
0d9fc3d8 6925 from_unknown_sta(drv, buf, len);
0915d02c
JM		 6926 break;
6927 }
6928}
6929
6930
6931static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
6932{
6933 struct wpa_driver_nl80211_data *drv = eloop_ctx;
6934 int len;
6935 unsigned char buf[3000];
6936 struct ieee80211_radiotap_iterator iter;
6937 int ret;
2a8b7416 6938 int datarate = 0, ssi_signal = 0;
4b9841d3 6939 int injected = 0, failed = 0, rxflags = 0;
0915d02c
JM		 6940
6941 len = recv(sock, buf, sizeof(buf), 0);
6942 if (len < 0) {
6943 perror("recv");
6944 return;
6945 }
6946
6947 if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
6948 printf("received invalid radiotap frame\n");
6949 return;
6950 }
6951
0915d02c
JM		 6952 while (1) {
6953 ret = ieee80211_radiotap_iterator_next(&iter);
6954 if (ret == -ENOENT)
6955 break;
6956 if (ret) {
6957 printf("received invalid radiotap frame (%d)\n", ret);
6958 return;
6959 }
6960 switch (iter.this_arg_index) {
6961 case IEEE80211_RADIOTAP_FLAGS:
6962 if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS)
6963 len -= 4;
6964 break;
6965 case IEEE80211_RADIOTAP_RX_FLAGS:
6966 rxflags = 1;
6967 break;
6968 case IEEE80211_RADIOTAP_TX_FLAGS:
6969 injected = 1;
6970 failed = le_to_host16((*(uint16_t *) iter.this_arg)) &
6971 IEEE80211_RADIOTAP_F_TX_FAIL;
6972 break;
6973 case IEEE80211_RADIOTAP_DATA_RETRIES:
6974 break;
6975 case IEEE80211_RADIOTAP_CHANNEL:
2a8b7416 6976 /* TODO: convert from freq/flags to channel number */
0915d02c
JM		 6977 break;
6978 case IEEE80211_RADIOTAP_RATE:
2a8b7416 6979 datarate = *iter.this_arg * 5;
0915d02c 6980 break;
baf513d6
JB		 6981 case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
6982 ssi_signal = (s8) *iter.this_arg;
0915d02c
JM		 6983 break;
6984 }
6985 }
6986
6987 if (rxflags && injected)
6988 return;
6989
6990 if (!injected)
4b9841d3 6991 handle_frame(drv, buf + iter.max_length,
2a8b7416 6992 len - iter.max_length, datarate, ssi_signal);
0915d02c 6993 else
4b9841d3
JM		 6994 handle_tx_callback(drv->ctx, buf + iter.max_length,
6995 len - iter.max_length, !failed);
0915d02c
JM		 6996}
6997
6998
6999/*
7000 * we post-process the filter code later and rewrite
7001 * this to the offset to the last instruction
7002 */
7003#define PASS 0xFF
7004#define FAIL 0xFE
7005
7006static struct sock_filter msock_filter_insns[] = {
7007 /*
7008 * do a little-endian load of the radiotap length field
7009 */
7010 /* load lower byte into A */
7011 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
7012 /* put it into X (== index register) */
7013 BPF_STMT(BPF_MISC| BPF_TAX, 0),
7014 /* load upper byte into A */
7015 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 3),
7016 /* left-shift it by 8 */
7017 BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8),
7018 /* or with X */
7019 BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0),
7020 /* put result into X */
7021 BPF_STMT(BPF_MISC| BPF_TAX, 0),
7022
7023 /*
7024 * Allow management frames through, this also gives us those
7025 * management frames that we sent ourselves with status
7026 */
7027 /* load the lower byte of the IEEE 802.11 frame control field */
7028 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7029 /* mask off frame type and version */
7030 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF),
7031 /* accept frame if it's both 0, fall through otherwise */
7032 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0),
7033
7034 /*
7035 * TODO: add a bit to radiotap RX flags that indicates
7036 * that the sending station is not associated, then
7037 * add a filter here that filters on our DA and that flag
7038 * to allow us to deauth frames to that bad station.
7039 *
65ae1afd 7040 * For now allow all To DS data frames through.
0915d02c 7041 */
65ae1afd
HS		 7042 /* load the IEEE 802.11 frame control field */
7043 BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0),
7044 /* mask off frame type, version and DS status */
7045 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03),
7046 /* accept frame if version 0, type 2 and To DS, fall through otherwise
7047 */
7048 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0),
0915d02c
JM		 7049
7050#if 0
7051 /*
fbbfcbac 7052 * drop non-data frames
0915d02c
JM		 7053 */
7054 /* load the lower byte of the frame control field */
7055 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7056 /* mask off QoS bit */
7057 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c),
7058 /* drop non-data frames */
7059 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL),
fbbfcbac 7060#endif
0915d02c 7061 /* load the upper byte of the frame control field */
fbbfcbac 7062 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1),
0915d02c
JM		 7063 /* mask off toDS/fromDS */
7064 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03),
fbbfcbac
FF		 7065 /* accept WDS frames */
7066 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0),
0915d02c
JM		 7067
7068 /*
7069 * add header length to index
7070 */
7071 /* load the lower byte of the frame control field */
7072 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7073 /* mask off QoS bit */
7074 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x80),
7075 /* right shift it by 6 to give 0 or 2 */
7076 BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 6),
7077 /* add data frame header length */
7078 BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 24),
7079 /* add index, was start of 802.11 header */
7080 BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
7081 /* move to index, now start of LL header */
7082 BPF_STMT(BPF_MISC | BPF_TAX, 0),
7083
7084 /*
7085 * Accept empty data frames, we use those for
7086 * polling activity.
7087 */
7088 BPF_STMT(BPF_LD | BPF_W | BPF_LEN, 0),
7089 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0),
7090
7091 /*
7092 * Accept EAPOL frames
7093 */
7094 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0),
7095 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL),
7096 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 4),
7097 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL),
7098
7099 /* keep these last two statements or change the code below */
7100 /* return 0 == "DROP" */
7101 BPF_STMT(BPF_RET | BPF_K, 0),
7102 /* return ~0 == "keep all" */
7103 BPF_STMT(BPF_RET | BPF_K, ~0),
7104};
7105
7106static struct sock_fprog msock_filter = {
7107 .len = sizeof(msock_filter_insns)/sizeof(msock_filter_insns[0]),
7108 .filter = msock_filter_insns,
7109};
7110
7111
7112static int add_monitor_filter(int s)
7113{
7114 int idx;
7115
7116 /* rewrite all PASS/FAIL jump offsets */
7117 for (idx = 0; idx < msock_filter.len; idx++) {
7118 struct sock_filter *insn = &msock_filter_insns[idx];
7119
7120 if (BPF_CLASS(insn->code) == BPF_JMP) {
7121 if (insn->code == (BPF_JMP|BPF_JA)) {
7122 if (insn->k == PASS)
7123 insn->k = msock_filter.len - idx - 2;
7124 else if (insn->k == FAIL)
7125 insn->k = msock_filter.len - idx - 3;
7126 }
7127
7128 if (insn->jt == PASS)
7129 insn->jt = msock_filter.len - idx - 2;
7130 else if (insn->jt == FAIL)
7131 insn->jt = msock_filter.len - idx - 3;
7132
7133 if (insn->jf == PASS)
7134 insn->jf = msock_filter.len - idx - 2;
7135 else if (insn->jf == FAIL)
7136 insn->jf = msock_filter.len - idx - 3;
7137 }
7138 }
7139
7140 if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER,
7141 &msock_filter, sizeof(msock_filter))) {
7142 perror("SO_ATTACH_FILTER");
7143 return -1;
7144 }
7145
7146 return 0;
7147}
7148
7149
460456f8
JM		 7150static void nl80211_remove_monitor_interface(
7151 struct wpa_driver_nl80211_data *drv)
7152{
3fd1cefb
JB		 7153 drv->monitor_refcount--;
7154 if (drv->monitor_refcount > 0)
7155 return;
7156
460456f8
JM		 7157 if (drv->monitor_ifidx >= 0) {
7158 nl80211_remove_iface(drv, drv->monitor_ifidx);
7159 drv->monitor_ifidx = -1;
7160 }
504e905c
JM		 7161 if (drv->monitor_sock >= 0) {
7162 eloop_unregister_read_sock(drv->monitor_sock);
7163 close(drv->monitor_sock);
7164 drv->monitor_sock = -1;
7165 }
460456f8
JM		 7166}
7167
7168
0915d02c
JM		 7169static int
7170nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
7171{
7172 char buf[IFNAMSIZ];
7173 struct sockaddr_ll ll;
7174 int optval;
7175 socklen_t optlen;
0915d02c 7176
3fd1cefb
JB		 7177 if (drv->monitor_ifidx >= 0) {
7178 drv->monitor_refcount++;
7179 return 0;
7180 }
7181
6758b167
JJ		 7182 if (os_strncmp(drv->first_bss.ifname, "p2p-", 4) == 0) {
7183 /*
7184 * P2P interface name is of the format p2p-%s-%d. For monitor
7185 * interface name corresponding to P2P GO, replace "p2p-" with
7186 * "mon-" to retain the same interface name length and to
7187 * indicate that it is a monitor interface.
7188 */
7189 snprintf(buf, IFNAMSIZ, "mon-%s", drv->first_bss.ifname + 4);
7190 } else {
7191 /* Non-P2P interface with AP functionality. */
7192 snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss.ifname);
7193 }
7194
0915d02c
JM		 7195 buf[IFNAMSIZ - 1] = '\0';
7196
7197 drv->monitor_ifidx =
fbbfcbac 7198 nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL,
d6dcfcda 7199 0, NULL, NULL);
0915d02c 7200
866af8b6 7201 if (drv->monitor_ifidx == -EOPNOTSUPP) {
61cbe2ff
JB		 7202 /*
7203 * This is backward compatibility for a few versions of
7204 * the kernel only that didn't advertise the right
7205 * attributes for the only driver that then supported
7206 * AP mode w/o monitor -- ath6kl.
7207 */
866af8b6
JM		 7208 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support "
7209 "monitor interface type - try to run without it");
61cbe2ff 7210 drv->device_ap_sme = 1;
866af8b6
JM		 7211 }
7212
0915d02c
JM		 7213 if (drv->monitor_ifidx < 0)
7214 return -1;
7215
c81eff1a 7216 if (linux_set_iface_flags(drv->global->ioctl_sock, buf, 1))
0915d02c 7217 goto error;
0915d02c
JM		 7218
7219 memset(&ll, 0, sizeof(ll));
7220 ll.sll_family = AF_PACKET;
7221 ll.sll_ifindex = drv->monitor_ifidx;
7222 drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
7223 if (drv->monitor_sock < 0) {
7224 perror("socket[PF_PACKET,SOCK_RAW]");
7225 goto error;
7226 }
7227
7228 if (add_monitor_filter(drv->monitor_sock)) {
7229 wpa_printf(MSG_INFO, "Failed to set socket filter for monitor "
7230 "interface; do filtering in user space");
7231 /* This works, but will cost in performance. */
7232 }
7233
2135f224 7234 if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
0915d02c
JM		 7235 perror("monitor socket bind");
7236 goto error;
7237 }
7238
7239 optlen = sizeof(optval);
7240 optval = 20;
7241 if (setsockopt
7242 (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) {
7243 perror("Failed to set socket priority");
7244 goto error;
7245 }
7246
7247 if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read,
7248 drv, NULL)) {
7249 printf("Could not register monitor read socket\n");
7250 goto error;
7251 }
7252
7253 return 0;
7254 error:
460456f8 7255 nl80211_remove_monitor_interface(drv);
0915d02c
JM		 7256 return -1;
7257}
7258
db149ac9 7259
3fd1cefb
JB		 7260static int nl80211_setup_ap(struct i802_bss *bss)
7261{
7262 struct wpa_driver_nl80211_data *drv = bss->drv;
7263
36488c05
JM		 7264 wpa_printf(MSG_DEBUG, "nl80211: Setup AP - device_ap_sme=%d "
7265 "use_monitor=%d", drv->device_ap_sme, drv->use_monitor);
7266
a11241fa
JB		 7267 /*
7268 * Disable Probe Request reporting unless we need it in this way for
7269 * devices that include the AP SME, in the other case (unless using
7270 * monitor iface) we'll get it through the nl_mgmt socket instead.
7271 */
7272 if (!drv->device_ap_sme)
7273 wpa_driver_nl80211_probe_req_report(bss, 0);
7274
7275 if (!drv->device_ap_sme && !drv->use_monitor)
7276 if (nl80211_mgmt_subscribe_ap(bss))
7277 return -1;
7278
a6cc0602
JM		 7279 if (drv->device_ap_sme && !drv->use_monitor)
7280 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
7281 return -1;
7282
a11241fa 7283 if (!drv->device_ap_sme && drv->use_monitor &&
3fd1cefb
JB		 7284 nl80211_create_monitor_interface(drv) &&
7285 !drv->device_ap_sme)
7286 return -1;
7287
7288 if (drv->device_ap_sme &&
7289 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
7290 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
7291 "Probe Request frame reporting in AP mode");
7292 /* Try to survive without this */
7293 }
7294
7295 return 0;
7296}
7297
7298
7299static void nl80211_teardown_ap(struct i802_bss *bss)
7300{
7301 struct wpa_driver_nl80211_data *drv = bss->drv;
7302
a6cc0602 7303 if (drv->device_ap_sme) {
3fd1cefb 7304 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 7305 if (!drv->use_monitor)
7306 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
7307 } else if (drv->use_monitor)
3fd1cefb 7308 nl80211_remove_monitor_interface(drv);
a11241fa 7309 else
36488c05 7310 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 7311
3fd1cefb
JB		 7312 bss->beacon_set = 0;
7313}
7314
7315
f10bfc9a
JM		 7316static int nl80211_send_eapol_data(struct i802_bss *bss,
7317 const u8 *addr, const u8 *data,
d12dab4c 7318 size_t data_len)
f10bfc9a 7319{
d12dab4c
JB		 7320 struct sockaddr_ll ll;
7321 int ret;
7322
7323 if (bss->drv->eapol_tx_sock < 0) {
7324 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 7325 return -1;
7326 }
7327
d12dab4c
JB		 7328 os_memset(&ll, 0, sizeof(ll));
7329 ll.sll_family = AF_PACKET;
7330 ll.sll_ifindex = bss->ifindex;
7331 ll.sll_protocol = htons(ETH_P_PAE);
7332 ll.sll_halen = ETH_ALEN;
7333 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
7334 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
7335 (struct sockaddr *) &ll, sizeof(ll));
7336 if (ret < 0)
7337 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
7338 strerror(errno));
7339
7340 return ret;
f10bfc9a 7341}
5fb1a232 7342
f10bfc9a 7343
db149ac9
JM		 7344static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
7345
7346static int wpa_driver_nl80211_hapd_send_eapol(
7347 void *priv, const u8 *addr, const u8 *data,
4378fc14 7348 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 7349{
a2e40bb6
FF		 7350 struct i802_bss *bss = priv;
7351 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 7352 struct ieee80211_hdr *hdr;
7353 size_t len;
7354 u8 *pos;
7355 int res;
4378fc14 7356 int qos = flags & WPA_STA_WMM;
db149ac9 7357
a11241fa 7358 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 7359 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 7360
db149ac9
JM		 7361 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
7362 data_len;
7363 hdr = os_zalloc(len);
7364 if (hdr == NULL) {
7365 printf("malloc() failed for i802_send_data(len=%lu)\n",
7366 (unsigned long) len);
7367 return -1;
7368 }
7369
7370 hdr->frame_control =
7371 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
7372 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
7373 if (encrypt)
7374 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 7375 if (qos) {
7376 hdr->frame_control |=
7377 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
7378 }
db149ac9
JM		 7379
7380 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
7381 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
7382 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
7383 pos = (u8 *) (hdr + 1);
7384
db149ac9 7385 if (qos) {
92d521d8
FF		 7386 /* Set highest priority in QoS header */
7387 pos[0] = 7;
db149ac9
JM		 7388 pos[1] = 0;
7389 pos += 2;
7390 }
db149ac9
JM		 7391
7392 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
7393 pos += sizeof(rfc1042_header);
7394 WPA_PUT_BE16(pos, ETH_P_PAE);
7395 pos += 2;
7396 memcpy(pos, data, data_len);
7397
55231068
JM		 7398 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
7399 0, 0, 0, 0);
db149ac9
JM		 7400 if (res < 0) {
7401 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
7402 "failed: %d (%s)",
7403 (unsigned long) len, errno, strerror(errno));
7404 }
7bf12757 7405 os_free(hdr);
db149ac9
JM		 7406
7407 return res;
7408}
7409
a8d6ffa4 7410
3234cba4
JM		 7411static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
7412 int total_flags,
4c32757d 7413 int flags_or, int flags_and)
a8d6ffa4 7414{
a2e40bb6
FF		 7415 struct i802_bss *bss = priv;
7416 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7417 struct nl_msg *msg;
7418 struct nlattr *flags;
7e76ee9c 7419 struct nl80211_sta_flag_update upd;
a8d6ffa4
JM		 7420
7421 msg = nlmsg_alloc();
7422 if (!msg)
7423 return -ENOMEM;
7424
9fb04070 7425 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
a8d6ffa4
JM		 7426
7427 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
3234cba4 7428 if_nametoindex(bss->ifname));
a8d6ffa4
JM		 7429 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7430
7e76ee9c
JM		 7431 /*
7432 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
7433 * can be removed eventually.
7434 */
8970bae8
JB		 7435 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
7436 if (!flags)
7437 goto nla_put_failure;
0de39516 7438 if (total_flags & WPA_STA_AUTHORIZED)
8970bae8 7439 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_AUTHORIZED);
a8d6ffa4 7440
0de39516 7441 if (total_flags & WPA_STA_WMM)
8970bae8 7442 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_WME);
a8d6ffa4 7443
0de39516 7444 if (total_flags & WPA_STA_SHORT_PREAMBLE)
8970bae8 7445 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_SHORT_PREAMBLE);
a8d6ffa4 7446
0de39516 7447 if (total_flags & WPA_STA_MFP)
8970bae8 7448 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_MFP);
a8d6ffa4 7449
45b722f1 7450 if (total_flags & WPA_STA_TDLS_PEER)
8970bae8 7451 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_TDLS_PEER);
45b722f1 7452
8970bae8 7453 nla_nest_end(msg, flags);
a8d6ffa4 7454
7e76ee9c
JM		 7455 os_memset(&upd, 0, sizeof(upd));
7456 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
7457 upd.set = sta_flags_nl80211(flags_or);
7458 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
7459
a8d6ffa4
JM		 7460 return send_and_recv_msgs(drv, msg, NULL, NULL);
7461 nla_put_failure:
5883168a 7462 nlmsg_free(msg);
a8d6ffa4
JM		 7463 return -ENOBUFS;
7464}
7465
0915d02c 7466
1581b38b
JM		 7467static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
7468 struct wpa_driver_associate_params *params)
7469{
708bc8e0 7470 enum nl80211_iftype nlmode, old_mode;
89b800d7
JB		 7471 struct hostapd_freq_params freq = {
7472 .freq = params->freq,
7473 };
b1f625e0
EP		 7474
7475 if (params->p2p) {
046b26a2
JM		 7476 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
7477 "group (GO)");
b1f625e0
EP		 7478 nlmode = NL80211_IFTYPE_P2P_GO;
7479 } else
7480 nlmode = NL80211_IFTYPE_AP;
7481
708bc8e0
JM		 7482 old_mode = drv->nlmode;
7483 if (wpa_driver_nl80211_set_mode(&drv->first_bss, nlmode)) {
7484 nl80211_remove_monitor_interface(drv);
7485 return -1;
7486 }
7487
89b800d7 7488 if (wpa_driver_nl80211_set_freq(&drv->first_bss, &freq)) {
708bc8e0
JM		 7489 if (old_mode != nlmode)
7490 wpa_driver_nl80211_set_mode(&drv->first_bss, old_mode);
460456f8 7491 nl80211_remove_monitor_interface(drv);
1581b38b 7492 return -1;
0915d02c 7493 }
1581b38b 7494
1581b38b
JM		 7495 return 0;
7496}
1581b38b
JM		 7497
7498
5cc4d64b
JM		 7499static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv)
7500{
7501 struct nl_msg *msg;
7502 int ret = -1;
7503
7504 msg = nlmsg_alloc();
7505 if (!msg)
7506 return -1;
7507
9fb04070 7508 nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b
JM		 7509 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7510 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7511 msg = NULL;
7512 if (ret) {
7513 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
7514 "(%s)", ret, strerror(-ret));
7515 goto nla_put_failure;
7516 }
7517
7518 ret = 0;
7519 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully");
7520
7521nla_put_failure:
7522 nlmsg_free(msg);
7523 return ret;
7524}
7525
7526
7527static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
7528 struct wpa_driver_associate_params *params)
7529{
7530 struct nl_msg *msg;
7531 int ret = -1;
7532 int count = 0;
7533
7534 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
7535
b1f625e0
EP		 7536 if (wpa_driver_nl80211_set_mode(&drv->first_bss,
7537 NL80211_IFTYPE_ADHOC)) {
5cc4d64b
JM		 7538 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
7539 "IBSS mode");
7540 return -1;
7541 }
7542
7543retry:
7544 msg = nlmsg_alloc();
7545 if (!msg)
7546 return -1;
7547
9fb04070 7548 nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS);
5cc4d64b
JM		 7549 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7550
7551 if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
7552 goto nla_put_failure;
7553
7554 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7555 params->ssid, params->ssid_len);
7556 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7557 params->ssid);
7558 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
7559 drv->ssid_len = params->ssid_len;
7560
7561 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7562 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
7563
7564 ret = nl80211_set_conn_keys(params, msg);
7565 if (ret)
7566 goto nla_put_failure;
7567
913e3cf7
NC		 7568 if (params->bssid && params->fixed_bssid) {
7569 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
7570 MAC2STR(params->bssid));
7571 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7572 }
7573
e640888c
AQ		 7574 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
7575 params->key_mgmt_suite == KEY_MGMT_PSK ||
7576 params->key_mgmt_suite == KEY_MGMT_802_1X_SHA256 ||
7577 params->key_mgmt_suite == KEY_MGMT_PSK_SHA256) {
7578 wpa_printf(MSG_DEBUG, " * control port");
7579 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
7580 }
7581
a95795ad
JM		 7582 if (params->wpa_ie) {
7583 wpa_hexdump(MSG_DEBUG,
7584 " * Extra IEs for Beacon/Probe Response frames",
7585 params->wpa_ie, params->wpa_ie_len);
7586 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
7587 params->wpa_ie);
7588 }
7589
5cc4d64b
JM		 7590 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7591 msg = NULL;
7592 if (ret) {
7593 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
7594 ret, strerror(-ret));
7595 count++;
7596 if (ret == -EALREADY && count == 1) {
7597 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
7598 "forced leave");
7599 nl80211_leave_ibss(drv);
7600 nlmsg_free(msg);
7601 goto retry;
7602 }
7603
7604 goto nla_put_failure;
7605 }
7606 ret = 0;
7607 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully");
7608
7609nla_put_failure:
7610 nlmsg_free(msg);
7611 return ret;
7612}
7613
7614
a8c5b43a 7615static int wpa_driver_nl80211_try_connect(
cfaab580
ZY		 7616 struct wpa_driver_nl80211_data *drv,
7617 struct wpa_driver_associate_params *params)
7618{
7619 struct nl_msg *msg;
7620 enum nl80211_auth_type type;
7621 int ret = 0;
3f360238 7622 int algs;
cfaab580
ZY		 7623
7624 msg = nlmsg_alloc();
7625 if (!msg)
7626 return -1;
7627
7628 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
9fb04070 7629 nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT);
cfaab580
ZY		 7630
7631 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7632 if (params->bssid) {
7633 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
7634 MAC2STR(params->bssid));
7635 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7636 }
7637 if (params->freq) {
7638 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7639 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
30158a0d
SD		 7640 drv->assoc_freq = params->freq;
7641 } else
7642 drv->assoc_freq = 0;
1f6c0ab8
BS		 7643 if (params->bg_scan_period >= 0) {
7644 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
7645 params->bg_scan_period);
7646 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
7647 params->bg_scan_period);
7648 }
cfaab580
ZY		 7649 if (params->ssid) {
7650 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7651 params->ssid, params->ssid_len);
7652 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7653 params->ssid);
7654 if (params->ssid_len > sizeof(drv->ssid))
7655 goto nla_put_failure;
7656 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
7657 drv->ssid_len = params->ssid_len;
7658 }
7659 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
7660 if (params->wpa_ie)
7661 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
7662 params->wpa_ie);
7663
3f360238
JM		 7664 algs = 0;
7665 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
7666 algs++;
7667 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
7668 algs++;
7669 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
7670 algs++;
7671 if (algs > 1) {
7672 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
7673 "selection");
7674 goto skip_auth_type;
7675 }
7676
abd9fafa 7677 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
cfaab580 7678 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 7679 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
cfaab580 7680 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 7681 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
cfaab580 7682 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 7683 else if (params->auth_alg & WPA_AUTH_ALG_FT)
cfaab580
ZY		 7684 type = NL80211_AUTHTYPE_FT;
7685 else
7686 goto nla_put_failure;
7687
7688 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
7689 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
7690
3f360238 7691skip_auth_type:
64fa840a
JM		 7692 if (params->wpa_proto) {
7693 enum nl80211_wpa_versions ver = 0;
cfaab580 7694
64fa840a
JM		 7695 if (params->wpa_proto & WPA_PROTO_WPA)
7696 ver |= NL80211_WPA_VERSION_1;
7697 if (params->wpa_proto & WPA_PROTO_RSN)
7698 ver |= NL80211_WPA_VERSION_2;
cfaab580 7699
64fa840a 7700 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
cfaab580
ZY		 7701 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
7702 }
7703
7704 if (params->pairwise_suite != CIPHER_NONE) {
c1bb3e0a 7705 int cipher;
cfaab580
ZY		 7706
7707 switch (params->pairwise_suite) {
369c8d7b
JM		 7708 case CIPHER_SMS4:
7709 cipher = WLAN_CIPHER_SUITE_SMS4;
7710 break;
cfaab580
ZY		 7711 case CIPHER_WEP40:
7712 cipher = WLAN_CIPHER_SUITE_WEP40;
7713 break;
7714 case CIPHER_WEP104:
7715 cipher = WLAN_CIPHER_SUITE_WEP104;
7716 break;
7717 case CIPHER_CCMP:
7718 cipher = WLAN_CIPHER_SUITE_CCMP;
7719 break;
eb7719ff
JM		 7720 case CIPHER_GCMP:
7721 cipher = WLAN_CIPHER_SUITE_GCMP;
7722 break;
cfaab580
ZY		 7723 case CIPHER_TKIP:
7724 default:
7725 cipher = WLAN_CIPHER_SUITE_TKIP;
7726 break;
7727 }
7728 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
7729 }
7730
7731 if (params->group_suite != CIPHER_NONE) {
c1bb3e0a 7732 int cipher;
cfaab580
ZY		 7733
7734 switch (params->group_suite) {
369c8d7b
JM		 7735 case CIPHER_SMS4:
7736 cipher = WLAN_CIPHER_SUITE_SMS4;
7737 break;
cfaab580
ZY		 7738 case CIPHER_WEP40:
7739 cipher = WLAN_CIPHER_SUITE_WEP40;
7740 break;
7741 case CIPHER_WEP104:
7742 cipher = WLAN_CIPHER_SUITE_WEP104;
7743 break;
7744 case CIPHER_CCMP:
7745 cipher = WLAN_CIPHER_SUITE_CCMP;
7746 break;
eb7719ff
JM		 7747 case CIPHER_GCMP:
7748 cipher = WLAN_CIPHER_SUITE_GCMP;
7749 break;
cfaab580
ZY		 7750 case CIPHER_TKIP:
7751 default:
7752 cipher = WLAN_CIPHER_SUITE_TKIP;
7753 break;
7754 }
7755 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
7756 }
7757
7758 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
369c8d7b 7759 params->key_mgmt_suite == KEY_MGMT_PSK ||
6a1ce395
DG		 7760 params->key_mgmt_suite == KEY_MGMT_FT_802_1X ||
7761 params->key_mgmt_suite == KEY_MGMT_FT_PSK ||
369c8d7b 7762 params->key_mgmt_suite == KEY_MGMT_CCKM) {
cfaab580
ZY		 7763 int mgmt = WLAN_AKM_SUITE_PSK;
7764
7765 switch (params->key_mgmt_suite) {
369c8d7b
JM		 7766 case KEY_MGMT_CCKM:
7767 mgmt = WLAN_AKM_SUITE_CCKM;
7768 break;
cfaab580
ZY		 7769 case KEY_MGMT_802_1X:
7770 mgmt = WLAN_AKM_SUITE_8021X;
7771 break;
6a1ce395
DG		 7772 case KEY_MGMT_FT_802_1X:
7773 mgmt = WLAN_AKM_SUITE_FT_8021X;
7774 break;
7775 case KEY_MGMT_FT_PSK:
7776 mgmt = WLAN_AKM_SUITE_FT_PSK;
7777 break;
cfaab580
ZY		 7778 case KEY_MGMT_PSK:
7779 default:
7780 mgmt = WLAN_AKM_SUITE_PSK;
7781 break;
7782 }
7783 NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt);
7784 }
7785
8b706a99
JM		 7786#ifdef CONFIG_IEEE80211W
7787 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
7788 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
7789#endif /* CONFIG_IEEE80211W */
7790
80e8a5ee
BG		 7791 if (params->disable_ht)
7792 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
7793
7794 if (params->htcaps && params->htcaps_mask) {
7795 int sz = sizeof(struct ieee80211_ht_capabilities);
7796 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
7797 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
7798 params->htcaps_mask);
7799 }
7800
e9ee8dc3
JB		 7801#ifdef CONFIG_VHT_OVERRIDES
7802 if (params->disable_vht) {
7803 wpa_printf(MSG_DEBUG, " * VHT disabled");
7804 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT);
7805 }
7806
7807 if (params->vhtcaps && params->vhtcaps_mask) {
7808 int sz = sizeof(struct ieee80211_vht_capabilities);
7809 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps);
7810 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
7811 params->vhtcaps_mask);
7812 }
7813#endif /* CONFIG_VHT_OVERRIDES */
7814
cfaab580
ZY		 7815 ret = nl80211_set_conn_keys(params, msg);
7816 if (ret)
7817 goto nla_put_failure;
7818
7819 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7820 msg = NULL;
7821 if (ret) {
7822 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
7823 "(%s)", ret, strerror(-ret));
7824 goto nla_put_failure;
7825 }
7826 ret = 0;
7827 wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully");
7828
7829nla_put_failure:
7830 nlmsg_free(msg);
7831 return ret;
7832
7833}
7834
7835
a8c5b43a
CW		 7836static int wpa_driver_nl80211_connect(
7837 struct wpa_driver_nl80211_data *drv,
7838 struct wpa_driver_associate_params *params)
7839{
7840 int ret = wpa_driver_nl80211_try_connect(drv, params);
7841 if (ret == -EALREADY) {
7842 /*
7843 * cfg80211 does not currently accept new connections if
7844 * we are already connected. As a workaround, force
7845 * disconnection and try again.
7846 */
7847 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
7848 "disconnecting before reassociation "
7849 "attempt");
7850 if (wpa_driver_nl80211_disconnect(
7851 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
7852 return -1;
a8c5b43a
CW		 7853 ret = wpa_driver_nl80211_try_connect(drv, params);
7854 }
7855 return ret;
7856}
7857
7858
c2a04078
JM		 7859static int wpa_driver_nl80211_associate(
7860 void *priv, struct wpa_driver_associate_params *params)
7861{
a2e40bb6
FF		 7862 struct i802_bss *bss = priv;
7863 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 7864 int ret = -1;
7865 struct nl_msg *msg;
7866
5cc4d64b 7867 if (params->mode == IEEE80211_MODE_AP)
1581b38b 7868 return wpa_driver_nl80211_ap(drv, params);
1581b38b 7869
5cc4d64b
JM		 7870 if (params->mode == IEEE80211_MODE_IBSS)
7871 return wpa_driver_nl80211_ibss(drv, params);
7872
4a867032 7873 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 7874 enum nl80211_iftype nlmode = params->p2p ?
7875 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
7876
7877 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 7878 return -1;
cfaab580 7879 return wpa_driver_nl80211_connect(drv, params);
4a867032 7880 }
cfaab580 7881
add9b7a4 7882 nl80211_mark_disconnected(drv);
c2a04078
JM		 7883
7884 msg = nlmsg_alloc();
7885 if (!msg)
7886 return -1;
7887
7888 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
7889 drv->ifindex);
9fb04070 7890 nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE);
c2a04078
JM		 7891
7892 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7893 if (params->bssid) {
7894 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
7895 MAC2STR(params->bssid));
7896 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7897 }
7898 if (params->freq) {
7899 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7900 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
4832ecd7
JM		 7901 drv->assoc_freq = params->freq;
7902 } else
7903 drv->assoc_freq = 0;
1f6c0ab8
BS		 7904 if (params->bg_scan_period >= 0) {
7905 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
7906 params->bg_scan_period);
7907 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
7908 params->bg_scan_period);
7909 }
c2a04078
JM		 7910 if (params->ssid) {
7911 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7912 params->ssid, params->ssid_len);
7913 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7914 params->ssid);
fd05d64e
JM		 7915 if (params->ssid_len > sizeof(drv->ssid))
7916 goto nla_put_failure;
7917 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
7918 drv->ssid_len = params->ssid_len;
c2a04078
JM		 7919 }
7920 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
7921 if (params->wpa_ie)
7922 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
7923 params->wpa_ie);
7924
aca01605
JM		 7925 if (params->pairwise_suite != CIPHER_NONE) {
7926 int cipher;
7927
7928 switch (params->pairwise_suite) {
7929 case CIPHER_WEP40:
7930 cipher = WLAN_CIPHER_SUITE_WEP40;
7931 break;
7932 case CIPHER_WEP104:
7933 cipher = WLAN_CIPHER_SUITE_WEP104;
7934 break;
7935 case CIPHER_CCMP:
7936 cipher = WLAN_CIPHER_SUITE_CCMP;
7937 break;
eb7719ff
JM		 7938 case CIPHER_GCMP:
7939 cipher = WLAN_CIPHER_SUITE_GCMP;
7940 break;
aca01605
JM		 7941 case CIPHER_TKIP:
7942 default:
7943 cipher = WLAN_CIPHER_SUITE_TKIP;
7944 break;
7945 }
79c3124c 7946 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
aca01605
JM		 7947 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
7948 }
7949
7950 if (params->group_suite != CIPHER_NONE) {
7951 int cipher;
7952
7953 switch (params->group_suite) {
7954 case CIPHER_WEP40:
7955 cipher = WLAN_CIPHER_SUITE_WEP40;
7956 break;
7957 case CIPHER_WEP104:
7958 cipher = WLAN_CIPHER_SUITE_WEP104;
7959 break;
7960 case CIPHER_CCMP:
7961 cipher = WLAN_CIPHER_SUITE_CCMP;
7962 break;
eb7719ff
JM		 7963 case CIPHER_GCMP:
7964 cipher = WLAN_CIPHER_SUITE_GCMP;
7965 break;
aca01605
JM		 7966 case CIPHER_TKIP:
7967 default:
7968 cipher = WLAN_CIPHER_SUITE_TKIP;
7969 break;
7970 }
79c3124c 7971 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
aca01605
JM		 7972 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
7973 }
7974
e572fa33
JM		 7975#ifdef CONFIG_IEEE80211W
7976 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
7977 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
7978#endif /* CONFIG_IEEE80211W */
7979
01652550
JM		 7980 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
7981
62fa124c
JM		 7982 if (params->prev_bssid) {
7983 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
7984 MAC2STR(params->prev_bssid));
7985 NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
7986 params->prev_bssid);
7987 }
7988
80e8a5ee
BG		 7989 if (params->disable_ht)
7990 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
7991
7992 if (params->htcaps && params->htcaps_mask) {
7993 int sz = sizeof(struct ieee80211_ht_capabilities);
7994 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
7995 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
7996 params->htcaps_mask);
7997 }
7998
e9ee8dc3
JB		 7999#ifdef CONFIG_VHT_OVERRIDES
8000 if (params->disable_vht) {
8001 wpa_printf(MSG_DEBUG, " * VHT disabled");
8002 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT);
8003 }
8004
8005 if (params->vhtcaps && params->vhtcaps_mask) {
8006 int sz = sizeof(struct ieee80211_vht_capabilities);
8007 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps);
8008 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
8009 params->vhtcaps_mask);
8010 }
8011#endif /* CONFIG_VHT_OVERRIDES */
8012
046b26a2
JM		 8013 if (params->p2p)
8014 wpa_printf(MSG_DEBUG, " * P2P group");
8015
c2a04078
JM		 8016 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8017 msg = NULL;
8018 if (ret) {
3b7ea880
BG		 8019 wpa_dbg(drv->ctx, MSG_DEBUG,
8020 "nl80211: MLME command failed (assoc): ret=%d (%s)",
8021 ret, strerror(-ret));
8856462d 8022 nl80211_dump_scan(drv);
c2a04078
JM		 8023 goto nla_put_failure;
8024 }
8025 ret = 0;
8026 wpa_printf(MSG_DEBUG, "nl80211: Association request send "
8027 "successfully");
8028
8029nla_put_failure:
8030 nlmsg_free(msg);
8031 return ret;
8032}
3f5285e8
JM		 8033
8034
ad1e68e6 8035static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 8036 int ifindex, enum nl80211_iftype mode)
3f5285e8 8037{
3f5285e8 8038 struct nl_msg *msg;
ad1e68e6
JM		 8039 int ret = -ENOBUFS;
8040
a1922f93
JM		 8041 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
8042 ifindex, mode, nl80211_iftype_str(mode));
8043
ad1e68e6
JM		 8044 msg = nlmsg_alloc();
8045 if (!msg)
8046 return -ENOMEM;
8047
9fb04070 8048 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE);
f632e483
AS		 8049 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
8050 goto nla_put_failure;
ad1e68e6
JM		 8051 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
8052
8053 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8054 msg = NULL;
ad1e68e6
JM		 8055 if (!ret)
8056 return 0;
8057nla_put_failure:
5883168a 8058 nlmsg_free(msg);
ad1e68e6
JM		 8059 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
8060 " %d (%s)", ifindex, mode, ret, strerror(-ret));
8061 return ret;
8062}
8063
8064
b1f625e0
EP		 8065static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
8066 enum nl80211_iftype nlmode)
ad1e68e6 8067{
a2e40bb6 8068 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 8069 int ret = -1;
26af9dca 8070 int i;
86957e62 8071 int was_ap = is_ap_interface(drv->nlmode);
671a5039 8072 int res;
1581b38b 8073
671a5039 8074 res = nl80211_set_mode(drv, drv->ifindex, nlmode);
8e12685c
AS		 8075 if (res && nlmode == nl80211_get_ifmode(bss))
8076 res = 0;
8077
671a5039 8078 if (res == 0) {
ad1e68e6 8079 drv->nlmode = nlmode;
460456f8
JM		 8080 ret = 0;
8081 goto done;
ad1e68e6 8082 }
3f5285e8 8083
671a5039
JM		 8084 if (res == -ENODEV)
8085 return -1;
8086
460456f8 8087 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 8088 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
8089 "requested mode - ignore error");
460456f8
JM		 8090 ret = 0;
8091 goto done; /* Already in the requested mode */
8092 }
3f5285e8 8093
3f5285e8
JM		 8094 /* mac80211 doesn't allow mode changes while the device is up, so
8095 * take the device down, try to set the mode again, and bring the
8096 * device back up.
8097 */
26af9dca
JM		 8098 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
8099 "interface down");
8100 for (i = 0; i < 10; i++) {
91724d6f 8101 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 8102 if (res == -EACCES || res == -ENODEV)
8103 break;
8104 if (res == 0) {
26af9dca
JM		 8105 /* Try to set the mode again while the interface is
8106 * down */
8107 ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
6e8183d7
JM		 8108 if (ret == -EACCES)
8109 break;
91724d6f 8110 res = i802_set_iface_flags(bss, 1);
6e8183d7 8111 if (res && !ret)
26af9dca 8112 ret = -1;
6e8183d7 8113 else if (ret != -EBUSY)
26af9dca
JM		 8114 break;
8115 } else
8116 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
8117 "interface down");
8118 os_sleep(0, 100000);
3f5285e8
JM		 8119 }
8120
c6e8e8e4
JM		 8121 if (!ret) {
8122 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
8123 "interface is down");
ad1e68e6 8124 drv->nlmode = nlmode;
7d9c3698 8125 drv->ignore_if_down_event = 1;
c6e8e8e4 8126 }
ad1e68e6 8127
460456f8 8128done:
3fd1cefb
JB		 8129 if (ret) {
8130 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
8131 "from %d failed", nlmode, drv->nlmode);
8132 return ret;
8133 }
8134
6a71413e 8135 if (is_p2p_net_interface(nlmode))
edb9bfba 8136 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1d0c6fb1
JM		 8137 else if (drv->disabled_11b_rates)
8138 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
edb9bfba 8139
3fd1cefb 8140 if (is_ap_interface(nlmode)) {
36488c05 8141 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 8142 /* Setup additional AP mode functionality if needed */
3fd1cefb 8143 if (nl80211_setup_ap(bss))
460456f8 8144 return -1;
3fd1cefb 8145 } else if (was_ap) {
460456f8 8146 /* Remove additional AP mode functionality */
3fd1cefb 8147 nl80211_teardown_ap(bss);
a11241fa 8148 } else {
36488c05 8149 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 8150 }
460456f8 8151
873d0fcf 8152 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
a11241fa
JB		 8153 nl80211_mgmt_subscribe_non_ap(bss) < 0)
8154 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
8155 "frame processing - ignore for now");
08359050 8156
3fd1cefb 8157 return 0;
3f5285e8
JM		 8158}
8159
8160
3f5285e8
JM		 8161static int wpa_driver_nl80211_get_capa(void *priv,
8162 struct wpa_driver_capa *capa)
8163{
a2e40bb6
FF		 8164 struct i802_bss *bss = priv;
8165 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 8166 if (!drv->has_capability)
8167 return -1;
8168 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 8169 if (drv->extended_capa && drv->extended_capa_mask) {
8170 capa->extended_capa = drv->extended_capa;
8171 capa->extended_capa_mask = drv->extended_capa_mask;
8172 capa->extended_capa_len = drv->extended_capa_len;
8173 }
851b0c55
JM		 8174
8175 if ((capa->flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
8176 !drv->allow_p2p_device) {
8177 wpa_printf(MSG_DEBUG, "nl80211: Do not indicate P2P_DEVICE support (p2p_device=1 driver param not specified)");
8178 capa->flags &= ~WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
8179 }
8180
3f5285e8
JM		 8181 return 0;
8182}
8183
8184
8185static int wpa_driver_nl80211_set_operstate(void *priv, int state)
8186{
a2e40bb6
FF		 8187 struct i802_bss *bss = priv;
8188 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 8189
8190 wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)",
8191 __func__, drv->operstate, state, state ? "UP" : "DORMANT");
8192 drv->operstate = state;
36d84860 8193 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 8194 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 8195}
8196
01652550
JM		 8197
8198static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
8199{
a2e40bb6
FF		 8200 struct i802_bss *bss = priv;
8201 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 8202 struct nl_msg *msg;
8203 struct nl80211_sta_flag_update upd;
8204
1ba51ec0
JM		 8205 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
8206 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
8207
01652550
JM		 8208 msg = nlmsg_alloc();
8209 if (!msg)
8210 return -ENOMEM;
8211
9fb04070 8212 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
01652550
JM		 8213
8214 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8215 if_nametoindex(bss->ifname));
01652550
JM		 8216 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
8217
8218 os_memset(&upd, 0, sizeof(upd));
8219 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
8220 if (authorized)
8221 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
8222 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
8223
8224 return send_and_recv_msgs(drv, msg, NULL, NULL);
8225 nla_put_failure:
5883168a 8226 nlmsg_free(msg);
01652550
JM		 8227 return -ENOBUFS;
8228}
8229
3f5285e8 8230
f07ead6a
JM		 8231/* Set kernel driver on given frequency (MHz) */
8232static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 8233{
f07ead6a 8234 struct i802_bss *bss = priv;
89b800d7 8235 return wpa_driver_nl80211_set_freq(bss, freq);
c5121837
JM		 8236}
8237
f7b3920c
JM		 8238
8239#if defined(HOSTAPD) || defined(CONFIG_AP)
c5121837 8240
c5121837
JM		 8241static inline int min_int(int a, int b)
8242{
8243 if (a < b)
8244 return a;
8245 return b;
8246}
8247
8248
8249static int get_key_handler(struct nl_msg *msg, void *arg)
8250{
8251 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8252 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8253
8254 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8255 genlmsg_attrlen(gnlh, 0), NULL);
8256
8257 /*
8258 * TODO: validate the key index and mac address!
8259 * Otherwise, there's a race condition as soon as
8260 * the kernel starts sending key notifications.
8261 */
8262
8263 if (tb[NL80211_ATTR_KEY_SEQ])
8264 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
8265 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
8266 return NL_SKIP;
8267}
8268
8269
8270static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
8271 int idx, u8 *seq)
8272{
a2e40bb6
FF		 8273 struct i802_bss *bss = priv;
8274 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8275 struct nl_msg *msg;
8276
8277 msg = nlmsg_alloc();
8278 if (!msg)
8279 return -ENOMEM;
8280
9fb04070 8281 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY);
c5121837
JM		 8282
8283 if (addr)
8284 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
8285 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
8286 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
8287
8288 memset(seq, 0, 6);
8289
8290 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
8291 nla_put_failure:
9e088e74 8292 nlmsg_free(msg);
c5121837
JM		 8293 return -ENOBUFS;
8294}
8295
8296
c5121837
JM		 8297static int i802_set_rts(void *priv, int rts)
8298{
a2e40bb6
FF		 8299 struct i802_bss *bss = priv;
8300 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 8301 struct nl_msg *msg;
8302 int ret = -ENOBUFS;
8303 u32 val;
c5121837 8304
ad649451
JM		 8305 msg = nlmsg_alloc();
8306 if (!msg)
8307 return -ENOMEM;
c5121837 8308
ad649451
JM		 8309 if (rts >= 2347)
8310 val = (u32) -1;
8311 else
8312 val = rts;
c5121837 8313
9fb04070 8314 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 8315 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8316 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val);
8317
8318 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8319 msg = NULL;
ad649451
JM		 8320 if (!ret)
8321 return 0;
8322nla_put_failure:
5883168a 8323 nlmsg_free(msg);
ad649451
JM		 8324 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
8325 "%d (%s)", rts, ret, strerror(-ret));
8326 return ret;
c5121837
JM		 8327}
8328
8329
8330static int i802_set_frag(void *priv, int frag)
8331{
a2e40bb6
FF		 8332 struct i802_bss *bss = priv;
8333 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 8334 struct nl_msg *msg;
8335 int ret = -ENOBUFS;
8336 u32 val;
c5121837 8337
ad649451
JM		 8338 msg = nlmsg_alloc();
8339 if (!msg)
8340 return -ENOMEM;
c5121837 8341
ad649451
JM		 8342 if (frag >= 2346)
8343 val = (u32) -1;
8344 else
8345 val = frag;
c5121837 8346
9fb04070 8347 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 8348 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8349 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val);
8350
8351 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8352 msg = NULL;
ad649451
JM		 8353 if (!ret)
8354 return 0;
8355nla_put_failure:
5883168a 8356 nlmsg_free(msg);
ad649451
JM		 8357 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
8358 "%d: %d (%s)", frag, ret, strerror(-ret));
8359 return ret;
c5121837
JM		 8360}
8361
8362
c5121837
JM		 8363static int i802_flush(void *priv)
8364{
a2e40bb6
FF		 8365 struct i802_bss *bss = priv;
8366 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 8367 struct nl_msg *msg;
82554b10 8368 int res;
c5121837
JM		 8369
8370 msg = nlmsg_alloc();
8371 if (!msg)
8372 return -1;
8373
83e7bb0e
JM		 8374 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
8375 bss->ifname);
9fb04070 8376 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
c5121837
JM		 8377
8378 /*
8379 * XXX: FIX! this needs to flush all VLANs too
8380 */
8381 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8382 if_nametoindex(bss->ifname));
c5121837 8383
82554b10
JM		 8384 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8385 if (res) {
8386 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
8387 "(%s)", res, strerror(-res));
8388 }
8389 return res;
c5121837 8390 nla_put_failure:
9e088e74 8391 nlmsg_free(msg);
c5121837
JM		 8392 return -ENOBUFS;
8393}
8394
d732463c
JM		 8395#endif /* HOSTAPD || CONFIG_AP */
8396
c5121837
JM		 8397
8398static int get_sta_handler(struct nl_msg *msg, void *arg)
8399{
8400 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8401 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8402 struct hostap_sta_driver_data *data = arg;
8403 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
8404 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
8405 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
8406 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
8407 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
8408 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
8409 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 8410 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
c5121837
JM		 8411 };
8412
8413 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8414 genlmsg_attrlen(gnlh, 0), NULL);
8415
8416 /*
8417 * TODO: validate the interface and mac address!
8418 * Otherwise, there's a race condition as soon as
8419 * the kernel starts sending station notifications.
8420 */
8421
8422 if (!tb[NL80211_ATTR_STA_INFO]) {
8423 wpa_printf(MSG_DEBUG, "sta stats missing!");
8424 return NL_SKIP;
8425 }
8426 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
8427 tb[NL80211_ATTR_STA_INFO],
8428 stats_policy)) {
8429 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
8430 return NL_SKIP;
8431 }
8432
8433 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
8434 data->inactive_msec =
8435 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
8436 if (stats[NL80211_STA_INFO_RX_BYTES])
8437 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
8438 if (stats[NL80211_STA_INFO_TX_BYTES])
8439 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
8440 if (stats[NL80211_STA_INFO_RX_PACKETS])
8441 data->rx_packets =
8442 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
8443 if (stats[NL80211_STA_INFO_TX_PACKETS])
8444 data->tx_packets =
8445 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 8446 if (stats[NL80211_STA_INFO_TX_FAILED])
8447 data->tx_retry_failed =
8448 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 8449
8450 return NL_SKIP;
8451}
8452
9ebce9c5
JM		 8453static int i802_read_sta_data(struct i802_bss *bss,
8454 struct hostap_sta_driver_data *data,
c5121837
JM		 8455 const u8 *addr)
8456{
a2e40bb6 8457 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8458 struct nl_msg *msg;
8459
8460 os_memset(data, 0, sizeof(*data));
8461 msg = nlmsg_alloc();
8462 if (!msg)
8463 return -ENOMEM;
8464
9fb04070 8465 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
c5121837
JM		 8466
8467 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
a2e40bb6 8468 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 8469
8470 return send_and_recv_msgs(drv, msg, get_sta_handler, data);
8471 nla_put_failure:
9e088e74 8472 nlmsg_free(msg);
c5121837
JM		 8473 return -ENOBUFS;
8474}
8475
8476
d732463c
JM		 8477#if defined(HOSTAPD) || defined(CONFIG_AP)
8478
c5121837
JM		 8479static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
8480 int cw_min, int cw_max, int burst_time)
8481{
a2e40bb6
FF		 8482 struct i802_bss *bss = priv;
8483 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8484 struct nl_msg *msg;
8485 struct nlattr *txq, *params;
8486
8487 msg = nlmsg_alloc();
8488 if (!msg)
8489 return -1;
8490
9fb04070 8491 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
c5121837 8492
a2e40bb6 8493 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 8494
8495 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
8496 if (!txq)
8497 goto nla_put_failure;
8498
8499 /* We are only sending parameters for a single TXQ at a time */
8500 params = nla_nest_start(msg, 1);
8501 if (!params)
8502 goto nla_put_failure;
8503
7e3c1781
JM		 8504 switch (queue) {
8505 case 0:
8506 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO);
8507 break;
8508 case 1:
8509 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI);
8510 break;
8511 case 2:
8512 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE);
8513 break;
8514 case 3:
8515 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK);
8516 break;
8517 }
c5121837
JM		 8518 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
8519 * 32 usec, so need to convert the value here. */
8520 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
8521 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
8522 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
8523 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
8524
8525 nla_nest_end(msg, params);
8526
8527 nla_nest_end(msg, txq);
8528
8529 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
8530 return 0;
9e088e74 8531 msg = NULL;
c5121837 8532 nla_put_failure:
9e088e74 8533 nlmsg_free(msg);
c5121837
JM		 8534 return -1;
8535}
8536
8537
9ebce9c5 8538static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 8539 const char *ifname, int vlan_id)
8540{
a2e40bb6 8541 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 8542 struct nl_msg *msg;
cd1d72c1 8543 int ret = -ENOBUFS;
c5121837
JM		 8544
8545 msg = nlmsg_alloc();
8546 if (!msg)
8547 return -ENOMEM;
8548
9fb04070 8549 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
c5121837
JM		 8550
8551 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8552 if_nametoindex(bss->ifname));
c5121837 8553 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
1c766b09 8554 NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
c5121837
JM		 8555 if_nametoindex(ifname));
8556
cd1d72c1 8557 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9e088e74 8558 msg = NULL;
cd1d72c1
JM		 8559 if (ret < 0) {
8560 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
8561 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
8562 MAC2STR(addr), ifname, vlan_id, ret,
8563 strerror(-ret));
8564 }
c5121837 8565 nla_put_failure:
9e088e74 8566 nlmsg_free(msg);
cd1d72c1 8567 return ret;
c5121837
JM		 8568}
8569
fbbfcbac 8570
c5121837
JM		 8571static int i802_get_inact_sec(void *priv, const u8 *addr)
8572{
8573 struct hostap_sta_driver_data data;
8574 int ret;
8575
8576 data.inactive_msec = (unsigned long) -1;
8577 ret = i802_read_sta_data(priv, &data, addr);
8578 if (ret || data.inactive_msec == (unsigned long) -1)
8579 return -1;
8580 return data.inactive_msec / 1000;
8581}
8582
8583
8584static int i802_sta_clear_stats(void *priv, const u8 *addr)
8585{
8586#if 0
8587 /* TODO */
8588#endif
8589 return 0;
8590}
8591
8592
731723a5
JM		 8593static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
8594 int reason)
c5121837 8595{
a2e40bb6 8596 struct i802_bss *bss = priv;
e1bd4e19 8597 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8598 struct ieee80211_mgmt mgmt;
8599
e1bd4e19
AT		 8600 if (drv->device_ap_sme)
8601 return wpa_driver_nl80211_sta_remove(bss, addr);
8602
c5121837
JM		 8603 memset(&mgmt, 0, sizeof(mgmt));
8604 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8605 WLAN_FC_STYPE_DEAUTH);
8606 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 8607 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8608 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 8609 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 8610 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 8611 IEEE80211_HDRLEN +
9ebce9c5
JM		 8612 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
8613 0);
c5121837
JM		 8614}
8615
8616
731723a5
JM		 8617static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
8618 int reason)
c5121837 8619{
a2e40bb6 8620 struct i802_bss *bss = priv;
e1bd4e19 8621 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8622 struct ieee80211_mgmt mgmt;
8623
e1bd4e19
AT		 8624 if (drv->device_ap_sme)
8625 return wpa_driver_nl80211_sta_remove(bss, addr);
8626
c5121837
JM		 8627 memset(&mgmt, 0, sizeof(mgmt));
8628 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8629 WLAN_FC_STYPE_DISASSOC);
8630 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 8631 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8632 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 8633 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 8634 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 8635 IEEE80211_HDRLEN +
9ebce9c5
JM		 8636 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
8637 0);
c5121837
JM		 8638}
8639
ee7ab173
JB		 8640#endif /* HOSTAPD || CONFIG_AP */
8641
8642#ifdef HOSTAPD
c5121837 8643
f07ead6a
JM		 8644static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
8645{
8646 int i;
8647 int *old;
8648
8649 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
8650 ifidx);
8651 for (i = 0; i < drv->num_if_indices; i++) {
8652 if (drv->if_indices[i] == 0) {
8653 drv->if_indices[i] = ifidx;
8654 return;
8655 }
8656 }
8657
8658 if (drv->if_indices != drv->default_if_indices)
8659 old = drv->if_indices;
8660 else
8661 old = NULL;
8662
067ffa26
JM		 8663 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
8664 sizeof(int));
f07ead6a
JM		 8665 if (!drv->if_indices) {
8666 if (!old)
8667 drv->if_indices = drv->default_if_indices;
8668 else
8669 drv->if_indices = old;
8670 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
8671 "interfaces");
8672 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
8673 return;
8674 } else if (!old)
8675 os_memcpy(drv->if_indices, drv->default_if_indices,
8676 sizeof(drv->default_if_indices));
8677 drv->if_indices[drv->num_if_indices] = ifidx;
8678 drv->num_if_indices++;
8679}
8680
8681
8682static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
8683{
8684 int i;
8685
8686 for (i = 0; i < drv->num_if_indices; i++) {
8687 if (drv->if_indices[i] == ifidx) {
8688 drv->if_indices[i] = 0;
8689 break;
8690 }
8691 }
8692}
8693
8694
8695static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
8696{
8697 int i;
8698
8699 for (i = 0; i < drv->num_if_indices; i++)
8700 if (drv->if_indices[i] == ifidx)
8701 return 1;
8702
8703 return 0;
8704}
8705
8706
8707static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
69dd2967 8708 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 8709{
8710 struct i802_bss *bss = priv;
8711 struct wpa_driver_nl80211_data *drv = bss->drv;
8712 char name[IFNAMSIZ + 1];
8713
8714 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 8715 if (ifname_wds)
8716 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
8717
f07ead6a
JM		 8718 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
8719 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
8720 if (val) {
8721 if (!if_nametoindex(name)) {
8722 if (nl80211_create_iface(drv, name,
8723 NL80211_IFTYPE_AP_VLAN,
d6dcfcda 8724 bss->addr, 1, NULL, NULL) < 0)
f07ead6a
JM		 8725 return -1;
8726 if (bridge_ifname &&
c81eff1a
BG		 8727 linux_br_add_if(drv->global->ioctl_sock,
8728 bridge_ifname, name) < 0)
f07ead6a
JM		 8729 return -1;
8730 }
75227f3a
JM		 8731 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
8732 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
8733 "interface %s up", name);
8734 }
f07ead6a
JM		 8735 return i802_set_sta_vlan(priv, addr, name, 0);
8736 } else {
c34e618d
FF		 8737 if (bridge_ifname)
8738 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
8739 name);
8740
f07ead6a
JM		 8741 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
8742 return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN,
8743 name);
8744 }
8745}
8746
8747
8748static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
8749{
8750 struct wpa_driver_nl80211_data *drv = eloop_ctx;
8751 struct sockaddr_ll lladdr;
8752 unsigned char buf[3000];
8753 int len;
8754 socklen_t fromlen = sizeof(lladdr);
8755
8756 len = recvfrom(sock, buf, sizeof(buf), 0,
8757 (struct sockaddr *)&lladdr, &fromlen);
8758 if (len < 0) {
8759 perror("recv");
8760 return;
8761 }
8762
8763 if (have_ifidx(drv, lladdr.sll_ifindex))
8764 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
8765}
8766
8767
94627f6c 8768static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 8769 struct i802_bss *bss,
94627f6c
JM		 8770 const char *brname, const char *ifname)
8771{
8772 int ifindex;
8773 char in_br[IFNAMSIZ];
8774
e17a2477 8775 os_strlcpy(bss->brname, brname, IFNAMSIZ);
94627f6c
JM		 8776 ifindex = if_nametoindex(brname);
8777 if (ifindex == 0) {
8778 /*
8779 * Bridge was configured, but the bridge device does
8780 * not exist. Try to add it now.
8781 */
c81eff1a 8782 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 8783 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
8784 "bridge interface %s: %s",
8785 brname, strerror(errno));
8786 return -1;
8787 }
e17a2477 8788 bss->added_bridge = 1;
94627f6c
JM		 8789 add_ifidx(drv, if_nametoindex(brname));
8790 }
8791
8792 if (linux_br_get(in_br, ifname) == 0) {
8793 if (os_strcmp(in_br, brname) == 0)
8794 return 0; /* already in the bridge */
8795
8796 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
8797 "bridge %s", ifname, in_br);
c81eff1a
BG		 8798 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
8799 0) {
94627f6c
JM		 8800 wpa_printf(MSG_ERROR, "nl80211: Failed to "
8801 "remove interface %s from bridge "
8802 "%s: %s",
8803 ifname, brname, strerror(errno));
8804 return -1;
8805 }
8806 }
8807
8808 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
8809 ifname, brname);
c81eff1a 8810 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 8811 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
8812 "into bridge %s: %s",
8813 ifname, brname, strerror(errno));
8814 return -1;
8815 }
e17a2477 8816 bss->added_if_into_bridge = 1;
94627f6c
JM		 8817
8818 return 0;
8819}
8820
8821
92f475b4
JM		 8822static void *i802_init(struct hostapd_data *hapd,
8823 struct wpa_init_params *params)
c5121837
JM		 8824{
8825 struct wpa_driver_nl80211_data *drv;
a2e40bb6 8826 struct i802_bss *bss;
c5121837 8827 size_t i;
94627f6c
JM		 8828 char brname[IFNAMSIZ];
8829 int ifindex, br_ifindex;
8830 int br_added = 0;
c5121837 8831
4b24282a
JM		 8832 bss = wpa_driver_nl80211_init(hapd, params->ifname,
8833 params->global_priv);
a2e40bb6 8834 if (bss == NULL)
c5121837 8835 return NULL;
c5121837 8836
a2e40bb6 8837 drv = bss->drv;
0382097e 8838 drv->nlmode = NL80211_IFTYPE_AP;
7635bfb0
JB		 8839 drv->eapol_sock = -1;
8840
94627f6c
JM		 8841 if (linux_br_get(brname, params->ifname) == 0) {
8842 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
8843 params->ifname, brname);
8844 br_ifindex = if_nametoindex(brname);
8845 } else {
8846 brname[0] = '\0';
8847 br_ifindex = 0;
8848 }
8849
c5121837
JM		 8850 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
8851 drv->if_indices = drv->default_if_indices;
92f475b4 8852 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 8853 if (params->bridge[i]) {
8854 ifindex = if_nametoindex(params->bridge[i]);
8855 if (ifindex)
8856 add_ifidx(drv, ifindex);
8857 if (ifindex == br_ifindex)
8858 br_added = 1;
8859 }
c5121837 8860 }
94627f6c
JM		 8861 if (!br_added && br_ifindex &&
8862 (params->num_bridge == 0 || !params->bridge[0]))
8863 add_ifidx(drv, br_ifindex);
c5121837 8864
ad1e68e6
JM		 8865 /* start listening for EAPOL on the default AP interface */
8866 add_ifidx(drv, drv->ifindex);
8867
c81eff1a 8868 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0))
6980c191 8869 goto failed;
ad1e68e6 8870
6980c191 8871 if (params->bssid) {
c81eff1a 8872 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2ac9688e 8873 params->bssid))
460456f8
JM		 8874 goto failed;
8875 }
ad1e68e6 8876
b1f625e0 8877 if (wpa_driver_nl80211_set_mode(bss, drv->nlmode)) {
ad1e68e6 8878 wpa_printf(MSG_ERROR, "nl80211: Failed to set interface %s "
a2e40bb6 8879 "into AP mode", bss->ifname);
bbaf0837 8880 goto failed;
ad1e68e6
JM		 8881 }
8882
94627f6c 8883 if (params->num_bridge && params->bridge[0] &&
e17a2477 8884 i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0)
94627f6c
JM		 8885 goto failed;
8886
c81eff1a 8887 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1))
bbaf0837 8888 goto failed;
ad1e68e6
JM		 8889
8890 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
8891 if (drv->eapol_sock < 0) {
8892 perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)");
bbaf0837 8893 goto failed;
ad1e68e6
JM		 8894 }
8895
8896 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
8897 {
8898 printf("Could not register read socket for eapol\n");
c5121837 8899 goto failed;
ad1e68e6
JM		 8900 }
8901
c81eff1a
BG		 8902 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
8903 params->own_addr))
bbaf0837 8904 goto failed;
c5121837 8905
341eebee
JB		 8906 memcpy(bss->addr, params->own_addr, ETH_ALEN);
8907
a2e40bb6 8908 return bss;
c5121837
JM		 8909
8910failed:
7635bfb0 8911 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 8912 return NULL;
8913}
c5121837 8914
c5121837 8915
bbaf0837
JM		 8916static void i802_deinit(void *priv)
8917{
9ebce9c5
JM		 8918 struct i802_bss *bss = priv;
8919 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 8920}
8921
8922#endif /* HOSTAPD */
8923
8924
22a7c9d7
JM		 8925static enum nl80211_iftype wpa_driver_nl80211_if_type(
8926 enum wpa_driver_if_type type)
8927{
8928 switch (type) {
8929 case WPA_IF_STATION:
9f51b113 8930 return NL80211_IFTYPE_STATION;
75bde05d
JM		 8931 case WPA_IF_P2P_CLIENT:
8932 case WPA_IF_P2P_GROUP:
9f51b113 8933 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 8934 case WPA_IF_AP_VLAN:
8935 return NL80211_IFTYPE_AP_VLAN;
8936 case WPA_IF_AP_BSS:
8937 return NL80211_IFTYPE_AP;
9f51b113
JB		 8938 case WPA_IF_P2P_GO:
8939 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 8940 case WPA_IF_P2P_DEVICE:
8941 return NL80211_IFTYPE_P2P_DEVICE;
22a7c9d7
JM		 8942 }
8943 return -1;
8944}
8945
8946
482856c8
JM		 8947#ifdef CONFIG_P2P
8948
f2ed8023
JM		 8949static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
8950{
8951 struct wpa_driver_nl80211_data *drv;
8952 dl_list_for_each(drv, &global->interfaces,
8953 struct wpa_driver_nl80211_data, list) {
341eebee 8954 if (os_memcmp(addr, drv->first_bss.addr, ETH_ALEN) == 0)
f2ed8023
JM		 8955 return 1;
8956 }
8957 return 0;
8958}
8959
8960
8961static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv,
8962 u8 *new_addr)
8963{
8964 unsigned int idx;
8965
8966 if (!drv->global)
8967 return -1;
8968
341eebee 8969 os_memcpy(new_addr, drv->first_bss.addr, ETH_ALEN);
f2ed8023 8970 for (idx = 0; idx < 64; idx++) {
341eebee 8971 new_addr[0] = drv->first_bss.addr[0] | 0x02;
f2ed8023
JM		 8972 new_addr[0] ^= idx << 2;
8973 if (!nl80211_addr_in_use(drv->global, new_addr))
8974 break;
8975 }
8976 if (idx == 64)
8977 return -1;
8978
8979 wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address "
8980 MACSTR, MAC2STR(new_addr));
8981
8982 return 0;
8983}
8984
482856c8
JM		 8985#endif /* CONFIG_P2P */
8986
f2ed8023 8987
f632e483
AS		 8988struct wdev_info {
8989 u64 wdev_id;
8990 int wdev_id_set;
8991 u8 macaddr[ETH_ALEN];
8992};
8993
8994static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 8995{
8996 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8997 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 8998 struct wdev_info *wi = arg;
e472e1b4
AS		 8999
9000 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9001 genlmsg_attrlen(gnlh, 0), NULL);
9002 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 9003 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
9004 wi->wdev_id_set = 1;
e472e1b4
AS		 9005 }
9006
9007 if (tb[NL80211_ATTR_MAC])
f632e483 9008 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 9009 ETH_ALEN);
9010
9011 return NL_SKIP;
9012}
9013
9014
7ab68865 9015static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 9016 const char *ifname, const u8 *addr,
f3585c8a 9017 void *bss_ctx, void **drv_priv,
e17a2477
JM		 9018 char *force_ifname, u8 *if_addr,
9019 const char *bridge)
22a7c9d7 9020{
e472e1b4 9021 enum nl80211_iftype nlmode;
a2e40bb6
FF		 9022 struct i802_bss *bss = priv;
9023 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 9024 int ifidx;
9025#ifdef HOSTAPD
a2e40bb6 9026 struct i802_bss *new_bss = NULL;
22a7c9d7
JM		 9027
9028 if (type == WPA_IF_AP_BSS) {
a2e40bb6
FF		 9029 new_bss = os_zalloc(sizeof(*new_bss));
9030 if (new_bss == NULL)
22a7c9d7
JM		 9031 return -1;
9032 }
9033#endif /* HOSTAPD */
9034
f3585c8a
JM		 9035 if (addr)
9036 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 9037 nlmode = wpa_driver_nl80211_if_type(type);
9038 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 9039 struct wdev_info p2pdev_info;
9040
9041 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 9042 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483
AS		 9043 0, nl80211_wdev_handler,
9044 &p2pdev_info);
9045 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 9046 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
9047 ifname);
e472e1b4
AS		 9048 return -1;
9049 }
f632e483
AS		 9050
9051 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
9052 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
9053 if (!is_zero_ether_addr(p2pdev_info.macaddr))
9054 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
9055 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
9056 ifname,
9057 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 9058 } else {
9059 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
9060 0, NULL, NULL);
9061 if (ifidx < 0) {
22a7c9d7 9062#ifdef HOSTAPD
e472e1b4 9063 os_free(new_bss);
22a7c9d7 9064#endif /* HOSTAPD */
e472e1b4
AS		 9065 return -1;
9066 }
22a7c9d7
JM		 9067 }
9068
ab7a1add
AS		 9069 if (!addr) {
9070 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
9071 os_memcpy(if_addr, bss->addr, ETH_ALEN);
9072 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
9073 bss->ifname, if_addr) < 0) {
9074 nl80211_remove_iface(drv, ifidx);
9075 return -1;
9076 }
c55f774d
JM		 9077 }
9078
9079#ifdef CONFIG_P2P
9080 if (!addr &&
9081 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
9082 type == WPA_IF_P2P_GO)) {
9083 /* Enforce unique P2P Interface Address */
ab7a1add 9084 u8 new_addr[ETH_ALEN];
c55f774d 9085
ab7a1add 9086 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 9087 new_addr) < 0) {
c55f774d
JM		 9088 nl80211_remove_iface(drv, ifidx);
9089 return -1;
9090 }
f608081c 9091 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d
JM		 9092 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
9093 "for P2P group interface");
f2ed8023 9094 if (nl80211_p2p_interface_addr(drv, new_addr) < 0) {
c55f774d
JM		 9095 nl80211_remove_iface(drv, ifidx);
9096 return -1;
9097 }
c81eff1a 9098 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d
JM		 9099 new_addr) < 0) {
9100 nl80211_remove_iface(drv, ifidx);
9101 return -1;
9102 }
c55f774d 9103 }
f67eeb5c 9104 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d
JM		 9105 }
9106#endif /* CONFIG_P2P */
f3585c8a 9107
22a7c9d7 9108#ifdef HOSTAPD
e17a2477
JM		 9109 if (bridge &&
9110 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
9111 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
9112 "interface %s to a bridge %s", ifname, bridge);
9113 nl80211_remove_iface(drv, ifidx);
9114 os_free(new_bss);
9115 return -1;
9116 }
9117
22a7c9d7 9118 if (type == WPA_IF_AP_BSS) {
c81eff1a
BG		 9119 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
9120 {
34f2f814 9121 nl80211_remove_iface(drv, ifidx);
07179987 9122 os_free(new_bss);
22a7c9d7
JM		 9123 return -1;
9124 }
a2e40bb6 9125 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 9126 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 9127 new_bss->ifindex = ifidx;
9128 new_bss->drv = drv;
9129 new_bss->next = drv->first_bss.next;
a7a6af4c 9130 new_bss->freq = drv->first_bss.freq;
a5e1eb20 9131 new_bss->ctx = bss_ctx;
a2e40bb6
FF		 9132 drv->first_bss.next = new_bss;
9133 if (drv_priv)
9134 *drv_priv = new_bss;
cc7a48d1 9135 nl80211_init_bss(new_bss);
3dd1d890
YAP		 9136
9137 /* Subscribe management frames for this WPA_IF_AP_BSS */
9138 if (nl80211_setup_ap(new_bss))
9139 return -1;
22a7c9d7
JM		 9140 }
9141#endif /* HOSTAPD */
9142
ff6a158b
JM		 9143 if (drv->global)
9144 drv->global->if_add_ifindex = ifidx;
9145
22a7c9d7
JM		 9146 return 0;
9147}
9148
9149
9ebce9c5 9150static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 9151 enum wpa_driver_if_type type,
9152 const char *ifname)
9153{
a2e40bb6 9154 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 9155 int ifindex = if_nametoindex(ifname);
9156
e748062b
JM		 9157 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d",
9158 __func__, type, ifname, ifindex);
9159 if (ifindex <= 0)
9160 return -1;
e17a2477 9161
c34e618d
FF		 9162 nl80211_remove_iface(drv, ifindex);
9163
e17a2477 9164#ifdef HOSTAPD
c34e618d
FF		 9165 if (type != WPA_IF_AP_BSS)
9166 return 0;
9167
e17a2477 9168 if (bss->added_if_into_bridge) {
c81eff1a
BG		 9169 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
9170 bss->ifname) < 0)
e17a2477
JM		 9171 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9172 "interface %s from bridge %s: %s",
9173 bss->ifname, bss->brname, strerror(errno));
9174 }
9175 if (bss->added_bridge) {
c81eff1a 9176 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 9177 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9178 "bridge %s: %s",
9179 bss->brname, strerror(errno));
9180 }
a2e40bb6
FF		 9181
9182 if (bss != &drv->first_bss) {
8546ea19 9183 struct i802_bss *tbss;
a2e40bb6 9184
8546ea19
JM		 9185 for (tbss = &drv->first_bss; tbss; tbss = tbss->next) {
9186 if (tbss->next == bss) {
9187 tbss->next = bss->next;
3dd1d890
YAP		 9188 /* Unsubscribe management frames */
9189 nl80211_teardown_ap(bss);
cc7a48d1 9190 nl80211_destroy_bss(bss);
8546ea19
JM		 9191 os_free(bss);
9192 bss = NULL;
9193 break;
9194 }
22a7c9d7 9195 }
8546ea19
JM		 9196 if (bss)
9197 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
9198 "BSS %p in the list", __func__, bss);
22a7c9d7
JM		 9199 }
9200#endif /* HOSTAPD */
9201
9202 return 0;
9203}
9204
9205
55777702
JM		 9206static int cookie_handler(struct nl_msg *msg, void *arg)
9207{
9208 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9209 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9210 u64 *cookie = arg;
9211 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9212 genlmsg_attrlen(gnlh, 0), NULL);
9213 if (tb[NL80211_ATTR_COOKIE])
9214 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
9215 return NL_SKIP;
9216}
9217
9218
88df0ef7 9219static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 9220 unsigned int freq, unsigned int wait,
9221 const u8 *buf, size_t buf_len,
88df0ef7
JB		 9222 u64 *cookie_out, int no_cck, int no_ack,
9223 int offchanok)
9884f9cc 9224{
88df0ef7 9225 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 9226 struct nl_msg *msg;
9227 u64 cookie;
9228 int ret = -1;
9229
9230 msg = nlmsg_alloc();
9231 if (!msg)
9232 return -1;
9233
cc2ada86 9234 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 9235 "no_ack=%d offchanok=%d",
9236 freq, wait, no_cck, no_ack, offchanok);
c91f796f 9237 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9fb04070 9238 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME);
9884f9cc 9239
f632e483 9240 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80 9241 goto nla_put_failure;
c91f796f
NC		 9242 if (freq)
9243 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9db931ed
JM		 9244 if (wait)
9245 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
b9fd8ce8 9246 if (offchanok && (drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
88df0ef7 9247 NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
b106173a
JM		 9248 if (no_cck)
9249 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
ddc53271
JM		 9250 if (no_ack)
9251 NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK);
970fa12e 9252
9884f9cc
JB		 9253 NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
9254
9255 cookie = 0;
9256 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
9257 msg = NULL;
9258 if (ret) {
9259 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 9260 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
9261 freq, wait);
9884f9cc
JB		 9262 goto nla_put_failure;
9263 }
cc2ada86 9264 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
ddc53271
JM		 9265 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
9266 (long long unsigned int) cookie);
9884f9cc
JB		 9267
9268 if (cookie_out)
ddc53271 9269 *cookie_out = no_ack ? (u64) -1 : cookie;
9884f9cc
JB		 9270
9271nla_put_failure:
9272 nlmsg_free(msg);
9273 return ret;
9274}
9275
9276
9ebce9c5
JM		 9277static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
9278 unsigned int freq,
190b9062 9279 unsigned int wait_time,
58f6fbe0
JM		 9280 const u8 *dst, const u8 *src,
9281 const u8 *bssid,
b106173a
JM		 9282 const u8 *data, size_t data_len,
9283 int no_cck)
58f6fbe0 9284{
a2e40bb6 9285 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 9286 int ret = -1;
58f6fbe0
JM		 9287 u8 *buf;
9288 struct ieee80211_hdr *hdr;
58f6fbe0 9289
5dfca53f 9290 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 9291 "freq=%u MHz wait=%d ms no_cck=%d)",
9292 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 9293
9294 buf = os_zalloc(24 + data_len);
9295 if (buf == NULL)
9296 return ret;
9297 os_memcpy(buf + 24, data, data_len);
9298 hdr = (struct ieee80211_hdr *) buf;
9299 hdr->frame_control =
9300 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
9301 os_memcpy(hdr->addr1, dst, ETH_ALEN);
9302 os_memcpy(hdr->addr2, src, ETH_ALEN);
9303 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
9304
b1f625e0 9305 if (is_ap_interface(drv->nlmode))
9ebce9c5
JM		 9306 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
9307 0, freq, no_cck, 1,
9308 wait_time);
9884f9cc 9309 else
88df0ef7 9310 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 9311 24 + data_len,
b106173a 9312 &drv->send_action_cookie,
88df0ef7 9313 no_cck, 0, 1);
58f6fbe0 9314
f8bf1421 9315 os_free(buf);
58f6fbe0
JM		 9316 return ret;
9317}
9318
9319
5dfca53f
JB		 9320static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
9321{
9322 struct i802_bss *bss = priv;
9323 struct wpa_driver_nl80211_data *drv = bss->drv;
9324 struct nl_msg *msg;
9325 int ret;
9326
9327 msg = nlmsg_alloc();
9328 if (!msg)
9329 return;
9330
316a9e4d
JM		 9331 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
9332 (long long unsigned int) drv->send_action_cookie);
9fb04070 9333 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL);
5dfca53f 9334
7940c790
AS		 9335 if (nl80211_set_iface_id(msg, bss) < 0)
9336 goto nla_put_failure;
5dfca53f
JB		 9337 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie);
9338
9339 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9340 msg = NULL;
9341 if (ret)
9342 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
9343 "(%s)", ret, strerror(-ret));
9344
9345 nla_put_failure:
9346 nlmsg_free(msg);
9347}
9348
9349
55777702
JM		 9350static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
9351 unsigned int duration)
9352{
a2e40bb6
FF		 9353 struct i802_bss *bss = priv;
9354 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 9355 struct nl_msg *msg;
9356 int ret;
9357 u64 cookie;
9358
9359 msg = nlmsg_alloc();
9360 if (!msg)
9361 return -1;
9362
9fb04070 9363 nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL);
55777702 9364
f632e483 9365 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 9366 goto nla_put_failure;
9367
55777702
JM		 9368 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9369 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
9370
9371 cookie = 0;
9372 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5883168a 9373 msg = NULL;
55777702
JM		 9374 if (ret == 0) {
9375 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
9376 "0x%llx for freq=%u MHz duration=%u",
9377 (long long unsigned int) cookie, freq, duration);
9378 drv->remain_on_chan_cookie = cookie;
531f0331 9379 drv->pending_remain_on_chan = 1;
55777702
JM		 9380 return 0;
9381 }
9382 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 9383 "(freq=%d duration=%u): %d (%s)",
9384 freq, duration, ret, strerror(-ret));
55777702 9385nla_put_failure:
5883168a 9386 nlmsg_free(msg);
55777702
JM		 9387 return -1;
9388}
9389
9390
9391static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
9392{
a2e40bb6
FF		 9393 struct i802_bss *bss = priv;
9394 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 9395 struct nl_msg *msg;
9396 int ret;
9397
9398 if (!drv->pending_remain_on_chan) {
9399 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
9400 "to cancel");
9401 return -1;
9402 }
9403
9404 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
9405 "0x%llx",
9406 (long long unsigned int) drv->remain_on_chan_cookie);
9407
9408 msg = nlmsg_alloc();
9409 if (!msg)
9410 return -1;
9411
9fb04070 9412 nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
55777702 9413
f632e483 9414 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 9415 goto nla_put_failure;
9416
55777702
JM		 9417 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie);
9418
9419 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 9420 msg = NULL;
55777702
JM		 9421 if (ret == 0)
9422 return 0;
9423 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
9424 "%d (%s)", ret, strerror(-ret));
9425nla_put_failure:
5883168a 9426 nlmsg_free(msg);
55777702
JM		 9427 return -1;
9428}
9429
9430
9ebce9c5 9431static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 9432{
a2e40bb6 9433 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 9434
5582a5d1 9435 if (!report) {
0d891981
JM		 9436 if (bss->nl_preq && drv->device_ap_sme &&
9437 is_ap_interface(drv->nlmode)) {
9438 /*
9439 * Do not disable Probe Request reporting that was
9440 * enabled in nl80211_setup_ap().
9441 */
9442 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
9443 "Probe Request reporting nl_preq=%p while "
9444 "in AP mode", bss->nl_preq);
9445 } else if (bss->nl_preq) {
36488c05
JM		 9446 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
9447 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 9448 eloop_unregister_read_sock(
481234cf 9449 nl_socket_get_fd(bss->nl_preq));
221a59c9 9450 nl_destroy_handles(&bss->nl_preq);
5582a5d1
JB		 9451 }
9452 return 0;
9453 }
9454
481234cf 9455 if (bss->nl_preq) {
5582a5d1 9456 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 9457 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 9458 return 0;
9459 }
9460
481234cf
JM		 9461 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
9462 if (bss->nl_preq == NULL)
5582a5d1 9463 return -1;
36488c05
JM		 9464 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
9465 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 9466
481234cf 9467 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 9468 (WLAN_FC_TYPE_MGMT << 2) |
9469 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 9470 NULL, 0) < 0)
9471 goto out_err;
5582a5d1 9472
481234cf 9473 eloop_register_read_sock(nl_socket_get_fd(bss->nl_preq),
a11241fa 9474 wpa_driver_nl80211_event_receive, bss->nl_cb,
481234cf 9475 bss->nl_preq);
5582a5d1 9476
504e905c 9477 return 0;
5582a5d1 9478
a92dfde8 9479 out_err:
221a59c9 9480 nl_destroy_handles(&bss->nl_preq);
5582a5d1 9481 return -1;
504e905c
JM		 9482}
9483
9484
4e5cb1a3
JM		 9485static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
9486 int ifindex, int disabled)
9487{
9488 struct nl_msg *msg;
9489 struct nlattr *bands, *band;
9490 int ret;
9491
9492 msg = nlmsg_alloc();
9493 if (!msg)
9494 return -1;
9495
9fb04070 9496 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 9497 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
9498
9499 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
9500 if (!bands)
9501 goto nla_put_failure;
9502
9503 /*
9504 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
9505 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
9506 * rates. All 5 GHz rates are left enabled.
9507 */
9508 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
9509 if (!band)
9510 goto nla_put_failure;
1dea5882
JM		 9511 if (disabled) {
9512 NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8,
9513 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
9514 }
4e5cb1a3
JM		 9515 nla_nest_end(msg, band);
9516
9517 nla_nest_end(msg, bands);
9518
9519 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9520 msg = NULL;
9521 if (ret) {
9522 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
9523 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 9524 } else
9525 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 9526
9527 return ret;
9528
9529nla_put_failure:
9530 nlmsg_free(msg);
9531 return -1;
9532}
9533
9534
af473088
JM		 9535static int wpa_driver_nl80211_deinit_ap(void *priv)
9536{
a2e40bb6
FF		 9537 struct i802_bss *bss = priv;
9538 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 9539 if (!is_ap_interface(drv->nlmode))
af473088
JM		 9540 return -1;
9541 wpa_driver_nl80211_del_beacon(drv);
b1f625e0 9542 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 9543}
9544
9545
695c7038
SW		 9546static int wpa_driver_nl80211_stop_ap(void *priv)
9547{
9548 struct i802_bss *bss = priv;
9549 struct wpa_driver_nl80211_data *drv = bss->drv;
9550 if (!is_ap_interface(drv->nlmode))
9551 return -1;
9552 wpa_driver_nl80211_del_beacon(drv);
9553 bss->beacon_set = 0;
9554 return 0;
9555}
9556
9557
3c29244e
EP		 9558static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
9559{
9560 struct i802_bss *bss = priv;
9561 struct wpa_driver_nl80211_data *drv = bss->drv;
9562 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
9563 return -1;
9564 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
9565}
9566
9567
207ef3fb
JM		 9568static void wpa_driver_nl80211_resume(void *priv)
9569{
a2e40bb6 9570 struct i802_bss *bss = priv;
91724d6f
AS		 9571
9572 if (i802_set_iface_flags(bss, 1))
9573 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
207ef3fb
JM		 9574}
9575
9576
7b90c16a
JM		 9577static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap,
9578 const u8 *ies, size_t ies_len)
9579{
9580 struct i802_bss *bss = priv;
9581 struct wpa_driver_nl80211_data *drv = bss->drv;
9582 int ret;
9583 u8 *data, *pos;
9584 size_t data_len;
341eebee 9585 const u8 *own_addr = bss->addr;
7b90c16a
JM		 9586
9587 if (action != 1) {
9588 wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action "
9589 "action %d", action);
9590 return -1;
9591 }
9592
9593 /*
9594 * Action frame payload:
9595 * Category[1] = 6 (Fast BSS Transition)
9596 * Action[1] = 1 (Fast BSS Transition Request)
9597 * STA Address
9598 * Target AP Address
9599 * FT IEs
9600 */
9601
73fc617d
JM		 9602 data_len = 2 + 2 * ETH_ALEN + ies_len;
9603 data = os_malloc(data_len);
7b90c16a
JM		 9604 if (data == NULL)
9605 return -1;
9606 pos = data;
9607 *pos++ = 0x06; /* FT Action category */
9608 *pos++ = action;
9609 os_memcpy(pos, own_addr, ETH_ALEN);
9610 pos += ETH_ALEN;
9611 os_memcpy(pos, target_ap, ETH_ALEN);
9612 pos += ETH_ALEN;
9613 os_memcpy(pos, ies, ies_len);
9614
190b9062
JB		 9615 ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0,
9616 drv->bssid, own_addr, drv->bssid,
b106173a 9617 data, data_len, 0);
7b90c16a
JM		 9618 os_free(data);
9619
9620 return ret;
9621}
9622
9623
b625473c
JM		 9624static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
9625{
9626 struct i802_bss *bss = priv;
9627 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 9628 struct nl_msg *msg;
9629 struct nlattr *cqm;
f0494d0f 9630 int ret = -1;
b625473c
JM		 9631
9632 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
9633 "hysteresis=%d", threshold, hysteresis);
9634
9635 msg = nlmsg_alloc();
9636 if (!msg)
9637 return -1;
9638
9fb04070 9639 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM);
b625473c
JM		 9640
9641 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
9642
8970bae8 9643 cqm = nla_nest_start(msg, NL80211_ATTR_CQM);
b625473c 9644 if (cqm == NULL)
21270bb4 9645 goto nla_put_failure;
b625473c 9646
8970bae8
JB		 9647 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold);
9648 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis);
9649 nla_nest_end(msg, cqm);
21270bb4 9650
f0494d0f 9651 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 9652 msg = NULL;
9653
9654nla_put_failure:
b625473c 9655 nlmsg_free(msg);
f0494d0f 9656 return ret;
b625473c
JM		 9657}
9658
9659
2cc8d8f4
AO		 9660/* Converts nl80211_chan_width to a common format */
9661static enum chan_width convert2width(int width)
9662{
9663 switch (width) {
9664 case NL80211_CHAN_WIDTH_20_NOHT:
9665 return CHAN_WIDTH_20_NOHT;
9666 case NL80211_CHAN_WIDTH_20:
9667 return CHAN_WIDTH_20;
9668 case NL80211_CHAN_WIDTH_40:
9669 return CHAN_WIDTH_40;
9670 case NL80211_CHAN_WIDTH_80:
9671 return CHAN_WIDTH_80;
9672 case NL80211_CHAN_WIDTH_80P80:
9673 return CHAN_WIDTH_80P80;
9674 case NL80211_CHAN_WIDTH_160:
9675 return CHAN_WIDTH_160;
9676 }
9677 return CHAN_WIDTH_UNKNOWN;
9678}
9679
9680
9681static int get_channel_width(struct nl_msg *msg, void *arg)
9682{
9683 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9684 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9685 struct wpa_signal_info *sig_change = arg;
9686
9687 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9688 genlmsg_attrlen(gnlh, 0), NULL);
9689
9690 sig_change->center_frq1 = -1;
9691 sig_change->center_frq2 = -1;
9692 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
9693
9694 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
9695 sig_change->chanwidth = convert2width(
9696 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
9697 if (tb[NL80211_ATTR_CENTER_FREQ1])
9698 sig_change->center_frq1 =
9699 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
9700 if (tb[NL80211_ATTR_CENTER_FREQ2])
9701 sig_change->center_frq2 =
9702 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
9703 }
9704
9705 return NL_SKIP;
9706}
9707
9708
9709static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
9710 struct wpa_signal_info *sig)
9711{
9712 struct nl_msg *msg;
9713
9714 msg = nlmsg_alloc();
9715 if (!msg)
9716 return -ENOMEM;
9717
9718 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_INTERFACE);
9719 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
9720
9721 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
9722
9723nla_put_failure:
9724 nlmsg_free(msg);
9725 return -ENOBUFS;
9726}
9727
9728
1c5c7273
PS		 9729static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
9730{
9731 struct i802_bss *bss = priv;
9732 struct wpa_driver_nl80211_data *drv = bss->drv;
9733 int res;
9734
9735 os_memset(si, 0, sizeof(*si));
9736 res = nl80211_get_link_signal(drv, si);
9737 if (res != 0)
9738 return res;
9739
2cc8d8f4
AO		 9740 res = nl80211_get_channel_width(drv, si);
9741 if (res != 0)
9742 return res;
9743
1c5c7273
PS		 9744 return nl80211_get_link_noise(drv, si);
9745}
9746
9747
57ebba59
JJ		 9748static int wpa_driver_nl80211_shared_freq(void *priv)
9749{
9750 struct i802_bss *bss = priv;
9751 struct wpa_driver_nl80211_data *drv = bss->drv;
9752 struct wpa_driver_nl80211_data *driver;
9753 int freq = 0;
9754
9755 /*
9756 * If the same PHY is in connected state with some other interface,
9757 * then retrieve the assoc freq.
9758 */
9759 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
9760 drv->phyname);
9761
9762 dl_list_for_each(driver, &drv->global->interfaces,
9763 struct wpa_driver_nl80211_data, list) {
9764 if (drv == driver ||
9765 os_strcmp(drv->phyname, driver->phyname) != 0 ||
9766 !driver->associated)
9767 continue;
9768
9769 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
9770 MACSTR,
9771 driver->phyname, driver->first_bss.ifname,
341eebee 9772 MAC2STR(driver->first_bss.addr));
d3bd0f05
JJ		 9773 if (is_ap_interface(driver->nlmode))
9774 freq = driver->first_bss.freq;
9775 else
9776 freq = nl80211_get_assoc_freq(driver);
57ebba59
JJ		 9777 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
9778 drv->phyname, freq);
9779 }
9780
9781 if (!freq)
9782 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
9783 "PHY (%s) in associated state", drv->phyname);
9784
9785 return freq;
9786}
9787
9788
b91ab76e
JM		 9789static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
9790 int encrypt)
9791{
9792 struct i802_bss *bss = priv;
55231068
JM		 9793 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
9794 0, 0, 0, 0);
b91ab76e
JM		 9795}
9796
9797
c55f774d
JM		 9798static int nl80211_set_param(void *priv, const char *param)
9799{
c55f774d
JM		 9800 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
9801 if (param == NULL)
9802 return 0;
9803
9804#ifdef CONFIG_P2P
9805 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 9806 struct i802_bss *bss = priv;
9807 struct wpa_driver_nl80211_data *drv = bss->drv;
9808
c55f774d
JM		 9809 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
9810 "interface");
9811 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
9812 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
9813 }
851b0c55
JM		 9814
9815 if (os_strstr(param, "p2p_device=1")) {
9816 struct i802_bss *bss = priv;
9817 struct wpa_driver_nl80211_data *drv = bss->drv;
9818 drv->allow_p2p_device = 1;
9819 }
c55f774d
JM		 9820#endif /* CONFIG_P2P */
9821
9822 return 0;
9823}
9824
9825
f2ed8023
JM		 9826static void * nl80211_global_init(void)
9827{
9828 struct nl80211_global *global;
36d84860
BG		 9829 struct netlink_config *cfg;
9830
f2ed8023
JM		 9831 global = os_zalloc(sizeof(*global));
9832 if (global == NULL)
9833 return NULL;
c81eff1a 9834 global->ioctl_sock = -1;
f2ed8023 9835 dl_list_init(&global->interfaces);
ff6a158b 9836 global->if_add_ifindex = -1;
36d84860
BG		 9837
9838 cfg = os_zalloc(sizeof(*cfg));
9839 if (cfg == NULL)
9840 goto err;
9841
9842 cfg->ctx = global;
9843 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
9844 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
9845 global->netlink = netlink_init(cfg);
9846 if (global->netlink == NULL) {
9847 os_free(cfg);
9848 goto err;
9849 }
9850
2a7b66f5
BG		 9851 if (wpa_driver_nl80211_init_nl_global(global) < 0)
9852 goto err;
9853
c81eff1a
BG		 9854 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
9855 if (global->ioctl_sock < 0) {
9856 perror("socket(PF_INET,SOCK_DGRAM)");
9857 goto err;
9858 }
9859
f2ed8023 9860 return global;
36d84860
BG		 9861
9862err:
9863 nl80211_global_deinit(global);
9864 return NULL;
f2ed8023
JM		 9865}
9866
9867
9868static void nl80211_global_deinit(void *priv)
9869{
9870 struct nl80211_global *global = priv;
9871 if (global == NULL)
9872 return;
9873 if (!dl_list_empty(&global->interfaces)) {
9874 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
9875 "nl80211_global_deinit",
9876 dl_list_len(&global->interfaces));
9877 }
36d84860
BG		 9878
9879 if (global->netlink)
9880 netlink_deinit(global->netlink);
9881
276e2d67
BG		 9882 nl_destroy_handles(&global->nl);
9883
481234cf 9884 if (global->nl_event) {
d6c9aab8 9885 eloop_unregister_read_sock(
481234cf 9886 nl_socket_get_fd(global->nl_event));
d6c9aab8
JB		 9887 nl_destroy_handles(&global->nl_event);
9888 }
9889
9890 nl_cb_put(global->nl_cb);
2a7b66f5 9891
c81eff1a
BG		 9892 if (global->ioctl_sock >= 0)
9893 close(global->ioctl_sock);
9894
f2ed8023
JM		 9895 os_free(global);
9896}
9897
9898
6859f1cb
BG		 9899static const char * nl80211_get_radio_name(void *priv)
9900{
9901 struct i802_bss *bss = priv;
9902 struct wpa_driver_nl80211_data *drv = bss->drv;
9903 return drv->phyname;
9904}
9905
9906
a6efc65d
JM		 9907static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
9908 const u8 *pmkid)
9909{
9910 struct nl_msg *msg;
9911
9912 msg = nlmsg_alloc();
9913 if (!msg)
9914 return -ENOMEM;
9915
9fb04070 9916 nl80211_cmd(bss->drv, msg, 0, cmd);
a6efc65d
JM		 9917
9918 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
9919 if (pmkid)
9920 NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid);
9921 if (bssid)
9922 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
9923
9924 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
9925 nla_put_failure:
9e088e74 9926 nlmsg_free(msg);
a6efc65d
JM		 9927 return -ENOBUFS;
9928}
9929
9930
9931static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
9932{
9933 struct i802_bss *bss = priv;
9934 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
9935 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
9936}
9937
9938
9939static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
9940{
9941 struct i802_bss *bss = priv;
9942 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
9943 MAC2STR(bssid));
9944 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
9945}
9946
9947
9948static int nl80211_flush_pmkid(void *priv)
9949{
9950 struct i802_bss *bss = priv;
9951 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
9952 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
9953}
9954
9955
b14a210c
JB		 9956static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
9957 const u8 *replay_ctr)
9958{
9959 struct i802_bss *bss = priv;
9960 struct wpa_driver_nl80211_data *drv = bss->drv;
9961 struct nlattr *replay_nested;
9962 struct nl_msg *msg;
9963
9964 msg = nlmsg_alloc();
9965 if (!msg)
9966 return;
9967
9fb04070 9968 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
b14a210c
JB		 9969
9970 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
9971
9972 replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
9973 if (!replay_nested)
9974 goto nla_put_failure;
9975
9976 NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek);
9977 NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck);
9978 NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
9979 replay_ctr);
9980
9981 nla_nest_end(msg, replay_nested);
9982
9983 send_and_recv_msgs(drv, msg, NULL, NULL);
9984 return;
9985 nla_put_failure:
9986 nlmsg_free(msg);
9987}
9988
9989
39718852
JB		 9990static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
9991 const u8 *addr, int qos)
bcf24348 9992{
39718852
JB		 9993 /* send data frame to poll STA and check whether
9994 * this frame is ACKed */
bcf24348
JB		 9995 struct {
9996 struct ieee80211_hdr hdr;
9997 u16 qos_ctl;
9998 } STRUCT_PACKED nulldata;
9999 size_t size;
10000
10001 /* Send data frame to poll STA and check whether this frame is ACKed */
10002
10003 os_memset(&nulldata, 0, sizeof(nulldata));
10004
10005 if (qos) {
10006 nulldata.hdr.frame_control =
10007 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10008 WLAN_FC_STYPE_QOS_NULL);
10009 size = sizeof(nulldata);
10010 } else {
10011 nulldata.hdr.frame_control =
10012 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10013 WLAN_FC_STYPE_NULLFUNC);
10014 size = sizeof(struct ieee80211_hdr);
10015 }
10016
10017 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
10018 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
10019 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
10020 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
10021
9ebce9c5
JM		 10022 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
10023 0, 0) < 0)
bcf24348
JB		 10024 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
10025 "send poll frame");
10026}
10027
39718852
JB		 10028static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
10029 int qos)
10030{
10031 struct i802_bss *bss = priv;
10032 struct wpa_driver_nl80211_data *drv = bss->drv;
10033 struct nl_msg *msg;
10034
10035 if (!drv->poll_command_supported) {
10036 nl80211_send_null_frame(bss, own_addr, addr, qos);
10037 return;
10038 }
10039
10040 msg = nlmsg_alloc();
10041 if (!msg)
10042 return;
10043
10044 nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT);
10045
10046 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10047 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
10048
10049 send_and_recv_msgs(drv, msg, NULL, NULL);
10050 return;
10051 nla_put_failure:
10052 nlmsg_free(msg);
10053}
10054
bcf24348 10055
29f338af
JM		 10056static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
10057{
10058 struct nl_msg *msg;
10059
10060 msg = nlmsg_alloc();
10061 if (!msg)
10062 return -ENOMEM;
10063
10064 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE);
10065 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10066 NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE,
10067 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED);
10068 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
10069nla_put_failure:
10070 nlmsg_free(msg);
10071 return -ENOBUFS;
10072}
10073
10074
10075static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
10076 int ctwindow)
10077{
10078 struct i802_bss *bss = priv;
10079
10080 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
10081 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
10082
10083 if (opp_ps != -1 || ctwindow != -1)
10084 return -1; /* Not yet supported */
10085
10086 if (legacy_ps == -1)
10087 return 0;
10088 if (legacy_ps != 0 && legacy_ps != 1)
10089 return -1; /* Not yet supported */
10090
10091 return nl80211_set_power_save(bss, legacy_ps);
10092}
10093
10094
f90e9c1c
SW		 10095static int nl80211_start_radar_detection(void *priv, int freq)
10096{
10097 struct i802_bss *bss = priv;
10098 struct wpa_driver_nl80211_data *drv = bss->drv;
10099 struct nl_msg *msg;
10100 int ret;
10101
10102 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC)");
10103 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
10104 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
10105 "detection");
10106 return -1;
10107 }
10108
10109 msg = nlmsg_alloc();
10110 if (!msg)
10111 return -1;
10112
10113 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_RADAR_DETECT);
10114 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10115 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
10116
10117 /* only HT20 is supported at this point */
10118 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, NL80211_CHAN_HT20);
10119
10120 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10121 if (ret == 0)
10122 return 0;
10123 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
10124 "%d (%s)", ret, strerror(-ret));
10125nla_put_failure:
10126 return -1;
10127}
10128
03ea1786
AN		 10129#ifdef CONFIG_TDLS
10130
10131static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
10132 u8 dialog_token, u16 status_code,
10133 const u8 *buf, size_t len)
10134{
10135 struct i802_bss *bss = priv;
10136 struct wpa_driver_nl80211_data *drv = bss->drv;
10137 struct nl_msg *msg;
10138
10139 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10140 return -EOPNOTSUPP;
10141
10142 if (!dst)
10143 return -EINVAL;
10144
10145 msg = nlmsg_alloc();
10146 if (!msg)
10147 return -ENOMEM;
10148
10149 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT);
10150 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10151 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
10152 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code);
10153 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token);
10154 NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code);
10155 NLA_PUT(msg, NL80211_ATTR_IE, len, buf);
10156
10157 return send_and_recv_msgs(drv, msg, NULL, NULL);
10158
10159nla_put_failure:
10160 nlmsg_free(msg);
10161 return -ENOBUFS;
10162}
10163
10164
10165static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
10166{
10167 struct i802_bss *bss = priv;
10168 struct wpa_driver_nl80211_data *drv = bss->drv;
10169 struct nl_msg *msg;
10170 enum nl80211_tdls_operation nl80211_oper;
10171
10172 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10173 return -EOPNOTSUPP;
10174
10175 switch (oper) {
10176 case TDLS_DISCOVERY_REQ:
10177 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
10178 break;
10179 case TDLS_SETUP:
10180 nl80211_oper = NL80211_TDLS_SETUP;
10181 break;
10182 case TDLS_TEARDOWN:
10183 nl80211_oper = NL80211_TDLS_TEARDOWN;
10184 break;
10185 case TDLS_ENABLE_LINK:
10186 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
10187 break;
10188 case TDLS_DISABLE_LINK:
10189 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
10190 break;
10191 case TDLS_ENABLE:
10192 return 0;
10193 case TDLS_DISABLE:
10194 return 0;
10195 default:
10196 return -EINVAL;
10197 }
10198
10199 msg = nlmsg_alloc();
10200 if (!msg)
10201 return -ENOMEM;
10202
10203 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER);
10204 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper);
10205 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10206 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer);
10207
10208 return send_and_recv_msgs(drv, msg, NULL, NULL);
10209
10210nla_put_failure:
10211 nlmsg_free(msg);
10212 return -ENOBUFS;
10213}
10214
10215#endif /* CONFIG TDLS */
10216
10217
216eede8
DS		 10218#ifdef ANDROID
10219
10220typedef struct android_wifi_priv_cmd {
10221 char *buf;
10222 int used_len;
10223 int total_len;
10224} android_wifi_priv_cmd;
10225
10226static int drv_errors = 0;
10227
10228static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv)
10229{
10230 drv_errors++;
10231 if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) {
10232 drv_errors = 0;
10233 wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED");
10234 }
10235}
10236
10237
10238static int android_priv_cmd(struct i802_bss *bss, const char *cmd)
10239{
10240 struct wpa_driver_nl80211_data *drv = bss->drv;
10241 struct ifreq ifr;
10242 android_wifi_priv_cmd priv_cmd;
10243 char buf[MAX_DRV_CMD_SIZE];
10244 int ret;
10245
10246 os_memset(&ifr, 0, sizeof(ifr));
10247 os_memset(&priv_cmd, 0, sizeof(priv_cmd));
10248 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
10249
10250 os_memset(buf, 0, sizeof(buf));
10251 os_strlcpy(buf, cmd, sizeof(buf));
10252
10253 priv_cmd.buf = buf;
10254 priv_cmd.used_len = sizeof(buf);
10255 priv_cmd.total_len = sizeof(buf);
10256 ifr.ifr_data = &priv_cmd;
10257
10258 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
10259 if (ret < 0) {
10260 wpa_printf(MSG_ERROR, "%s: failed to issue private commands",
10261 __func__);
10262 wpa_driver_send_hang_msg(drv);
10263 return ret;
10264 }
10265
10266 drv_errors = 0;
10267 return 0;
10268}
10269
10270
10271static int android_pno_start(struct i802_bss *bss,
10272 struct wpa_driver_scan_params *params)
10273{
10274 struct wpa_driver_nl80211_data *drv = bss->drv;
10275 struct ifreq ifr;
10276 android_wifi_priv_cmd priv_cmd;
10277 int ret = 0, i = 0, bp;
10278 char buf[WEXT_PNO_MAX_COMMAND_SIZE];
10279
10280 bp = WEXT_PNOSETUP_HEADER_SIZE;
10281 os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp);
10282 buf[bp++] = WEXT_PNO_TLV_PREFIX;
10283 buf[bp++] = WEXT_PNO_TLV_VERSION;
10284 buf[bp++] = WEXT_PNO_TLV_SUBVERSION;
10285 buf[bp++] = WEXT_PNO_TLV_RESERVED;
10286
10287 while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) {
10288 /* Check that there is enough space needed for 1 more SSID, the
10289 * other sections and null termination */
10290 if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN +
10291 WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf))
10292 break;
10293 wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan",
a97bde0a
JM		 10294 params->ssids[i].ssid,
10295 params->ssids[i].ssid_len);
216eede8
DS		 10296 buf[bp++] = WEXT_PNO_SSID_SECTION;
10297 buf[bp++] = params->ssids[i].ssid_len;
10298 os_memcpy(&buf[bp], params->ssids[i].ssid,
10299 params->ssids[i].ssid_len);
10300 bp += params->ssids[i].ssid_len;
10301 i++;
10302 }
10303
10304 buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION;
10305 os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x",
10306 WEXT_PNO_SCAN_INTERVAL);
10307 bp += WEXT_PNO_SCAN_INTERVAL_LENGTH;
10308
10309 buf[bp++] = WEXT_PNO_REPEAT_SECTION;
10310 os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x",
10311 WEXT_PNO_REPEAT);
10312 bp += WEXT_PNO_REPEAT_LENGTH;
10313
10314 buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION;
10315 os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x",
10316 WEXT_PNO_MAX_REPEAT);
10317 bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1;
10318
10319 memset(&ifr, 0, sizeof(ifr));
10320 memset(&priv_cmd, 0, sizeof(priv_cmd));
10321 os_strncpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
10322
10323 priv_cmd.buf = buf;
10324 priv_cmd.used_len = bp;
10325 priv_cmd.total_len = bp;
10326 ifr.ifr_data = &priv_cmd;
10327
10328 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
10329
10330 if (ret < 0) {
10331 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d",
10332 ret);
10333 wpa_driver_send_hang_msg(drv);
10334 return ret;
10335 }
10336
10337 drv_errors = 0;
10338
10339 return android_priv_cmd(bss, "PNOFORCE 1");
10340}
10341
10342
10343static int android_pno_stop(struct i802_bss *bss)
10344{
10345 return android_priv_cmd(bss, "PNOFORCE 0");
10346}
10347
10348#endif /* ANDROID */
10349
10350
9ebce9c5
JM		 10351static int driver_nl80211_set_key(const char *ifname, void *priv,
10352 enum wpa_alg alg, const u8 *addr,
10353 int key_idx, int set_tx,
10354 const u8 *seq, size_t seq_len,
10355 const u8 *key, size_t key_len)
10356{
10357 struct i802_bss *bss = priv;
10358 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
10359 set_tx, seq, seq_len, key, key_len);
10360}
10361
10362
10363static int driver_nl80211_scan2(void *priv,
10364 struct wpa_driver_scan_params *params)
10365{
10366 struct i802_bss *bss = priv;
10367 return wpa_driver_nl80211_scan(bss, params);
10368}
10369
10370
10371static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
10372 int reason_code)
10373{
10374 struct i802_bss *bss = priv;
10375 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
10376}
10377
10378
10379static int driver_nl80211_authenticate(void *priv,
10380 struct wpa_driver_auth_params *params)
10381{
10382 struct i802_bss *bss = priv;
10383 return wpa_driver_nl80211_authenticate(bss, params);
10384}
10385
10386
10387static void driver_nl80211_deinit(void *priv)
10388{
10389 struct i802_bss *bss = priv;
10390 wpa_driver_nl80211_deinit(bss);
10391}
10392
10393
10394static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
10395 const char *ifname)
10396{
10397 struct i802_bss *bss = priv;
10398 return wpa_driver_nl80211_if_remove(bss, type, ifname);
10399}
10400
10401
10402static int driver_nl80211_send_mlme(void *priv, const u8 *data,
10403 size_t data_len, int noack)
10404{
10405 struct i802_bss *bss = priv;
10406 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
10407 0, 0, 0, 0);
10408}
10409
10410
10411static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
10412{
10413 struct i802_bss *bss = priv;
10414 return wpa_driver_nl80211_sta_remove(bss, addr);
10415}
10416
10417
10418#if defined(HOSTAPD) || defined(CONFIG_AP)
10419static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
10420 const char *ifname, int vlan_id)
10421{
10422 struct i802_bss *bss = priv;
10423 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
10424}
10425#endif /* HOSTAPD || CONFIG_AP */
10426
10427
10428static int driver_nl80211_read_sta_data(void *priv,
10429 struct hostap_sta_driver_data *data,
10430 const u8 *addr)
10431{
10432 struct i802_bss *bss = priv;
10433 return i802_read_sta_data(bss, data, addr);
10434}
10435
10436
10437static int driver_nl80211_send_action(void *priv, unsigned int freq,
10438 unsigned int wait_time,
10439 const u8 *dst, const u8 *src,
10440 const u8 *bssid,
10441 const u8 *data, size_t data_len,
10442 int no_cck)
10443{
10444 struct i802_bss *bss = priv;
10445 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
10446 bssid, data, data_len, no_cck);
10447}
10448
10449
10450static int driver_nl80211_probe_req_report(void *priv, int report)
10451{
10452 struct i802_bss *bss = priv;
10453 return wpa_driver_nl80211_probe_req_report(bss, report);
10454}
10455
10456
6a1ce395
DG		 10457static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
10458 const u8 *ies, size_t ies_len)
10459{
10460 int ret;
10461 struct nl_msg *msg;
10462 struct i802_bss *bss = priv;
10463 struct wpa_driver_nl80211_data *drv = bss->drv;
10464 u16 mdid = WPA_GET_LE16(md);
10465
10466 msg = nlmsg_alloc();
10467 if (!msg)
10468 return -ENOMEM;
10469
10470 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
10471 nl80211_cmd(drv, msg, 0, NL80211_CMD_UPDATE_FT_IES);
10472 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10473 NLA_PUT(msg, NL80211_ATTR_IE, ies_len, ies);
10474 NLA_PUT_U16(msg, NL80211_ATTR_MDID, mdid);
10475
10476 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10477 if (ret) {
10478 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
10479 "err=%d (%s)", ret, strerror(-ret));
10480 }
10481
10482 return ret;
10483
10484nla_put_failure:
10485 nlmsg_free(msg);
10486 return -ENOBUFS;
10487}
10488
10489
597b94f5
AS		 10490const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
10491{
10492 struct i802_bss *bss = priv;
10493 struct wpa_driver_nl80211_data *drv = bss->drv;
10494
10495 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
10496 return NULL;
10497
10498 return bss->addr;
10499}
10500
10501
3f5285e8
JM		 10502const struct wpa_driver_ops wpa_driver_nl80211_ops = {
10503 .name = "nl80211",
10504 .desc = "Linux nl80211/cfg80211",
10505 .get_bssid = wpa_driver_nl80211_get_bssid,
10506 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 10507 .set_key = driver_nl80211_set_key,
10508 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 10509 .sched_scan = wpa_driver_nl80211_sched_scan,
10510 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 10511 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
9ebce9c5
JM		 10512 .deauthenticate = driver_nl80211_deauthenticate,
10513 .authenticate = driver_nl80211_authenticate,
3f5285e8 10514 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 10515 .global_init = nl80211_global_init,
10516 .global_deinit = nl80211_global_deinit,
10517 .init2 = wpa_driver_nl80211_init,
9ebce9c5 10518 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 10519 .get_capa = wpa_driver_nl80211_get_capa,
10520 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 10521 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 10522 .set_country = wpa_driver_nl80211_set_country,
19c3b566 10523 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 10524 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 10525 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 10526 .if_remove = driver_nl80211_if_remove,
10527 .send_mlme = driver_nl80211_send_mlme,
c3965310 10528 .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
0f4e8b4f 10529 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 10530 .sta_remove = driver_nl80211_sta_remove,
db149ac9 10531 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 10532 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837
JM		 10533#ifdef HOSTAPD
10534 .hapd_init = i802_init,
c5121837 10535 .hapd_deinit = i802_deinit,
f7b3920c
JM		 10536 .set_wds_sta = i802_set_wds_sta,
10537#endif /* HOSTAPD */
10538#if defined(HOSTAPD) || defined(CONFIG_AP)
c5121837
JM		 10539 .get_seqnum = i802_get_seqnum,
10540 .flush = i802_flush,
c5121837
JM		 10541 .get_inact_sec = i802_get_inact_sec,
10542 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 10543 .set_rts = i802_set_rts,
10544 .set_frag = i802_set_frag,
c5121837 10545 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 10546 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 10547 .sta_deauth = i802_sta_deauth,
10548 .sta_disassoc = i802_sta_disassoc,
10549#endif /* HOSTAPD || CONFIG_AP */
9ebce9c5 10550 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 10551 .set_freq = i802_set_freq,
9ebce9c5 10552 .send_action = driver_nl80211_send_action,
5dfca53f 10553 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 10554 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
10555 .cancel_remain_on_channel =
10556 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 10557 .probe_req_report = driver_nl80211_probe_req_report,
af473088 10558 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 10559 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 10560 .resume = wpa_driver_nl80211_resume,
7b90c16a 10561 .send_ft_action = nl80211_send_ft_action,
b625473c 10562 .signal_monitor = nl80211_signal_monitor,
1c5c7273 10563 .signal_poll = nl80211_signal_poll,
b91ab76e 10564 .send_frame = nl80211_send_frame,
57ebba59 10565 .shared_freq = wpa_driver_nl80211_shared_freq,
c55f774d 10566 .set_param = nl80211_set_param,
6859f1cb 10567 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 10568 .add_pmkid = nl80211_add_pmkid,
10569 .remove_pmkid = nl80211_remove_pmkid,
10570 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 10571 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 10572 .poll_client = nl80211_poll_client,
29f338af 10573 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 10574 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 10575 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 10576#ifdef CONFIG_TDLS
10577 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
10578 .tdls_oper = nl80211_tdls_oper,
10579#endif /* CONFIG_TDLS */
6a1ce395 10580 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 10581 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
3f5285e8 10582};
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