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WPS: Clear known_wps_freq in addition to after_wps
[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
10b85921
JB		 143#if __WORDSIZE == 64
144#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
145#else
146#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
147#endif
148
5f65e9f7
JB		 149static void nl80211_register_eloop_read(struct nl_handle **handle,
150 eloop_sock_handler handler,
151 void *eloop_data)
152{
10b85921 153 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 154 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
155 eloop_data, *handle);
10b85921 156 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 157}
158
159
160static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
161{
10b85921 162 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 163 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
164 nl_destroy_handles(handle);
165}
166
167
3f5285e8
JM		 168#ifndef IFF_LOWER_UP
169#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
170#endif
171#ifndef IFF_DORMANT
172#define IFF_DORMANT 0x20000 /* driver signals dormant */
173#endif
174
175#ifndef IF_OPER_DORMANT
176#define IF_OPER_DORMANT 5
177#endif
178#ifndef IF_OPER_UP
179#define IF_OPER_UP 6
180#endif
181
f2ed8023
JM		 182struct nl80211_global {
183 struct dl_list interfaces;
ff6a158b 184 int if_add_ifindex;
f632e483
AS		 185 u64 if_add_wdevid;
186 int if_add_wdevid_set;
36d84860 187 struct netlink_data *netlink;
2a7b66f5 188 struct nl_cb *nl_cb;
481234cf 189 struct nl_handle *nl;
335d42b1 190 int nl80211_id;
c81eff1a 191 int ioctl_sock; /* socket for ioctl() use */
d6c9aab8 192
481234cf 193 struct nl_handle *nl_event;
f2ed8023
JM		 194};
195
e32ad281
JB		 196struct nl80211_wiphy_data {
197 struct dl_list list;
198 struct dl_list bsss;
199 struct dl_list drvs;
200
481234cf 201 struct nl_handle *nl_beacons;
e32ad281
JB		 202 struct nl_cb *nl_cb;
203
204 int wiphy_idx;
205};
206
36d84860
BG		 207static void nl80211_global_deinit(void *priv);
208
c5121837 209struct i802_bss {
a2e40bb6 210 struct wpa_driver_nl80211_data *drv;
c5121837 211 struct i802_bss *next;
b4fd6fab 212 int ifindex;
d3aaef80 213 u64 wdev_id;
a2e40bb6 214 char ifname[IFNAMSIZ + 1];
e17a2477 215 char brname[IFNAMSIZ];
c5121837 216 unsigned int beacon_set:1;
e17a2477
JM		 217 unsigned int added_if_into_bridge:1;
218 unsigned int added_bridge:1;
873d0fcf 219 unsigned int in_deinit:1;
d3aaef80 220 unsigned int wdev_id_set:1;
221a59c9 221
341eebee
JB		 222 u8 addr[ETH_ALEN];
223
e4fb2167 224 int freq;
60b13c20 225 int if_dynamic;
e4fb2167 226
a5e1eb20 227 void *ctx;
481234cf 228 struct nl_handle *nl_preq, *nl_mgmt;
cc7a48d1 229 struct nl_cb *nl_cb;
e32ad281
JB		 230
231 struct nl80211_wiphy_data *wiphy_data;
232 struct dl_list wiphy_list;
c5121837 233};
3f5285e8
JM		 234
235struct wpa_driver_nl80211_data {
f2ed8023
JM		 236 struct nl80211_global *global;
237 struct dl_list list;
e32ad281 238 struct dl_list wiphy_list;
6859f1cb 239 char phyname[32];
3f5285e8 240 void *ctx;
3f5285e8 241 int ifindex;
7524cfb1 242 int if_removed;
a63063b4 243 int if_disabled;
7d9c3698 244 int ignore_if_down_event;
8401a6b0 245 struct rfkill_data *rfkill;
c2a04078 246 struct wpa_driver_capa capa;
8cd6b7bc
JB		 247 u8 *extended_capa, *extended_capa_mask;
248 unsigned int extended_capa_len;
c2a04078 249 int has_capability;
c2a04078 250
3f5285e8
JM		 251 int operstate;
252
3f5285e8 253 int scan_complete_events;
a771c07d
JM		 254 enum scan_states {
255 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED,
256 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED,
257 SCHED_SCAN_RESULTS
258 } scan_state;
3f5285e8 259
1afc986d 260 struct nl_cb *nl_cb;
1c873584 261
e6b8efeb 262 u8 auth_bssid[ETH_ALEN];
add9b7a4 263 u8 auth_attempt_bssid[ETH_ALEN];
c2a04078 264 u8 bssid[ETH_ALEN];
add9b7a4 265 u8 prev_bssid[ETH_ALEN];
c2a04078 266 int associated;
fd05d64e
JM		 267 u8 ssid[32];
268 size_t ssid_len;
b1f625e0
EP		 269 enum nl80211_iftype nlmode;
270 enum nl80211_iftype ap_scan_as_station;
4832ecd7 271 unsigned int assoc_freq;
d2440ba0 272
0915d02c
JM		 273 int monitor_sock;
274 int monitor_ifidx;
3fd1cefb 275 int monitor_refcount;
7da3abe7 276
b3af99d2 277 unsigned int disabled_11b_rates:1;
55777702 278 unsigned int pending_remain_on_chan:1;
dac12351 279 unsigned int in_interface_list:1;
61cbe2ff 280 unsigned int device_ap_sme:1;
39718852 281 unsigned int poll_command_supported:1;
32ab4855 282 unsigned int data_tx_status:1;
536fd62d
JM		 283 unsigned int scan_for_auth:1;
284 unsigned int retry_auth:1;
a11241fa 285 unsigned int use_monitor:1;
a8c5b43a 286 unsigned int ignore_next_local_disconnect:1;
851b0c55 287 unsigned int allow_p2p_device:1;
55777702
JM		 288
289 u64 remain_on_chan_cookie;
58f6fbe0 290 u64 send_action_cookie;
c5121837 291
5582a5d1
JB		 292 unsigned int last_mgmt_freq;
293
3812464c
JM		 294 struct wpa_driver_scan_filter *filter_ssids;
295 size_t num_filter_ssids;
296
a2e40bb6
FF		 297 struct i802_bss first_bss;
298
d12dab4c 299 int eapol_tx_sock;
f10bfc9a 300
c5121837 301#ifdef HOSTAPD
c5121837 302 int eapol_sock; /* socket for EAPOL frames */
c5121837
JM		 303
304 int default_if_indices[16];
305 int *if_indices;
306 int num_if_indices;
307
c5121837
JM		 308 int last_freq;
309 int last_freq_ht;
c5121837 310#endif /* HOSTAPD */
536fd62d
JM		 311
312 /* From failed authentication command */
313 int auth_freq;
314 u8 auth_bssid_[ETH_ALEN];
315 u8 auth_ssid[32];
316 size_t auth_ssid_len;
317 int auth_alg;
318 u8 *auth_ie;
319 size_t auth_ie_len;
320 u8 auth_wep_key[4][16];
321 size_t auth_wep_key_len[4];
322 int auth_wep_tx_keyidx;
323 int auth_local_state_change;
324 int auth_p2p;
3f5285e8
JM		 325};
326
327
9ebce9c5 328static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
3f5285e8
JM		 329static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
330 void *timeout_ctx);
b1f625e0
EP		 331static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
332 enum nl80211_iftype nlmode);
362f781e 333static int
7524cfb1 334wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv);
d72aad94 335static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 336 const u8 *addr, int cmd, u16 reason_code,
337 int local_state_change);
460456f8
JM		 338static void nl80211_remove_monitor_interface(
339 struct wpa_driver_nl80211_data *drv);
88df0ef7 340static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 341 unsigned int freq, unsigned int wait,
b106173a 342 const u8 *buf, size_t buf_len, u64 *cookie,
88df0ef7 343 int no_cck, int no_ack, int offchanok);
b21990b4
AQ		 344static int nl80211_register_frame(struct i802_bss *bss,
345 struct nl_handle *hl_handle,
346 u16 type, const u8 *match, size_t match_len);
9ebce9c5
JM		 347static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
348 int report);
216eede8
DS		 349#ifdef ANDROID
350static int android_pno_start(struct i802_bss *bss,
351 struct wpa_driver_scan_params *params);
352static int android_pno_stop(struct i802_bss *bss);
353#endif /* ANDROID */
0915d02c 354
072ad14c 355#ifdef HOSTAPD
2135f224
JM		 356static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
357static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
97cfcf64 358static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
9ebce9c5 359static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
fbbfcbac
FF		 360 enum wpa_driver_if_type type,
361 const char *ifname);
37eb8da9 362#else /* HOSTAPD */
bd2df892
JM		 363static inline void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
364{
365}
366
367static inline void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
368{
369}
370
371static inline int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
37eb8da9
JM		 372{
373 return 0;
374}
072ad14c
JM		 375#endif /* HOSTAPD */
376
9ebce9c5
JM		 377static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
378 struct hostapd_freq_params *freq);
4e5cb1a3
JM		 379static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
380 int ifindex, int disabled);
504e905c 381
21bdbe38 382static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv);
536fd62d
JM		 383static int wpa_driver_nl80211_authenticate_retry(
384 struct wpa_driver_nl80211_data *drv);
21bdbe38 385
bf83eab5
IP		 386static int i802_set_iface_flags(struct i802_bss *bss, int up);
387
3f5285e8 388
2090a0b4
DS		 389static const char * nl80211_command_to_string(enum nl80211_commands cmd)
390{
391#define C2S(x) case x: return #x;
392 switch (cmd) {
393 C2S(NL80211_CMD_UNSPEC)
394 C2S(NL80211_CMD_GET_WIPHY)
395 C2S(NL80211_CMD_SET_WIPHY)
396 C2S(NL80211_CMD_NEW_WIPHY)
397 C2S(NL80211_CMD_DEL_WIPHY)
398 C2S(NL80211_CMD_GET_INTERFACE)
399 C2S(NL80211_CMD_SET_INTERFACE)
400 C2S(NL80211_CMD_NEW_INTERFACE)
401 C2S(NL80211_CMD_DEL_INTERFACE)
402 C2S(NL80211_CMD_GET_KEY)
403 C2S(NL80211_CMD_SET_KEY)
404 C2S(NL80211_CMD_NEW_KEY)
405 C2S(NL80211_CMD_DEL_KEY)
406 C2S(NL80211_CMD_GET_BEACON)
407 C2S(NL80211_CMD_SET_BEACON)
408 C2S(NL80211_CMD_START_AP)
409 C2S(NL80211_CMD_STOP_AP)
410 C2S(NL80211_CMD_GET_STATION)
411 C2S(NL80211_CMD_SET_STATION)
412 C2S(NL80211_CMD_NEW_STATION)
413 C2S(NL80211_CMD_DEL_STATION)
414 C2S(NL80211_CMD_GET_MPATH)
415 C2S(NL80211_CMD_SET_MPATH)
416 C2S(NL80211_CMD_NEW_MPATH)
417 C2S(NL80211_CMD_DEL_MPATH)
418 C2S(NL80211_CMD_SET_BSS)
419 C2S(NL80211_CMD_SET_REG)
420 C2S(NL80211_CMD_REQ_SET_REG)
421 C2S(NL80211_CMD_GET_MESH_CONFIG)
422 C2S(NL80211_CMD_SET_MESH_CONFIG)
423 C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
424 C2S(NL80211_CMD_GET_REG)
425 C2S(NL80211_CMD_GET_SCAN)
426 C2S(NL80211_CMD_TRIGGER_SCAN)
427 C2S(NL80211_CMD_NEW_SCAN_RESULTS)
428 C2S(NL80211_CMD_SCAN_ABORTED)
429 C2S(NL80211_CMD_REG_CHANGE)
430 C2S(NL80211_CMD_AUTHENTICATE)
431 C2S(NL80211_CMD_ASSOCIATE)
432 C2S(NL80211_CMD_DEAUTHENTICATE)
433 C2S(NL80211_CMD_DISASSOCIATE)
434 C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
435 C2S(NL80211_CMD_REG_BEACON_HINT)
436 C2S(NL80211_CMD_JOIN_IBSS)
437 C2S(NL80211_CMD_LEAVE_IBSS)
438 C2S(NL80211_CMD_TESTMODE)
439 C2S(NL80211_CMD_CONNECT)
440 C2S(NL80211_CMD_ROAM)
441 C2S(NL80211_CMD_DISCONNECT)
442 C2S(NL80211_CMD_SET_WIPHY_NETNS)
443 C2S(NL80211_CMD_GET_SURVEY)
444 C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
445 C2S(NL80211_CMD_SET_PMKSA)
446 C2S(NL80211_CMD_DEL_PMKSA)
447 C2S(NL80211_CMD_FLUSH_PMKSA)
448 C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
449 C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
450 C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
451 C2S(NL80211_CMD_REGISTER_FRAME)
452 C2S(NL80211_CMD_FRAME)
453 C2S(NL80211_CMD_FRAME_TX_STATUS)
454 C2S(NL80211_CMD_SET_POWER_SAVE)
455 C2S(NL80211_CMD_GET_POWER_SAVE)
456 C2S(NL80211_CMD_SET_CQM)
457 C2S(NL80211_CMD_NOTIFY_CQM)
458 C2S(NL80211_CMD_SET_CHANNEL)
459 C2S(NL80211_CMD_SET_WDS_PEER)
460 C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
461 C2S(NL80211_CMD_JOIN_MESH)
462 C2S(NL80211_CMD_LEAVE_MESH)
463 C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
464 C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
465 C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
466 C2S(NL80211_CMD_GET_WOWLAN)
467 C2S(NL80211_CMD_SET_WOWLAN)
468 C2S(NL80211_CMD_START_SCHED_SCAN)
469 C2S(NL80211_CMD_STOP_SCHED_SCAN)
470 C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
471 C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
472 C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
473 C2S(NL80211_CMD_PMKSA_CANDIDATE)
474 C2S(NL80211_CMD_TDLS_OPER)
475 C2S(NL80211_CMD_TDLS_MGMT)
476 C2S(NL80211_CMD_UNEXPECTED_FRAME)
477 C2S(NL80211_CMD_PROBE_CLIENT)
478 C2S(NL80211_CMD_REGISTER_BEACONS)
479 C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
480 C2S(NL80211_CMD_SET_NOACK_MAP)
481 C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
482 C2S(NL80211_CMD_START_P2P_DEVICE)
483 C2S(NL80211_CMD_STOP_P2P_DEVICE)
484 C2S(NL80211_CMD_CONN_FAILED)
485 C2S(NL80211_CMD_SET_MCAST_RATE)
486 C2S(NL80211_CMD_SET_MAC_ACL)
487 C2S(NL80211_CMD_RADAR_DETECT)
488 C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
489 C2S(NL80211_CMD_UPDATE_FT_IES)
490 C2S(NL80211_CMD_FT_EVENT)
491 C2S(NL80211_CMD_CRIT_PROTOCOL_START)
492 C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
493 default:
494 return "NL80211_CMD_UNKNOWN";
495 }
496#undef C2S
497}
498
499
b1f625e0
EP		 500static int is_ap_interface(enum nl80211_iftype nlmode)
501{
502 return (nlmode == NL80211_IFTYPE_AP ||
503 nlmode == NL80211_IFTYPE_P2P_GO);
504}
505
506
507static int is_sta_interface(enum nl80211_iftype nlmode)
508{
509 return (nlmode == NL80211_IFTYPE_STATION ||
510 nlmode == NL80211_IFTYPE_P2P_CLIENT);
511}
512
513
6a71413e 514static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2
JM		 515{
516 return (nlmode == NL80211_IFTYPE_P2P_CLIENT ||
517 nlmode == NL80211_IFTYPE_P2P_GO);
518}
519
520
add9b7a4
JM		 521static void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
522{
523 if (drv->associated)
524 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
525 drv->associated = 0;
526 os_memset(drv->bssid, 0, ETH_ALEN);
527}
528
529
f5a8d422
JM		 530struct nl80211_bss_info_arg {
531 struct wpa_driver_nl80211_data *drv;
532 struct wpa_scan_results *res;
533 unsigned int assoc_freq;
20f5a4c2 534 u8 assoc_bssid[ETH_ALEN];
f5a8d422
JM		 535};
536
537static int bss_info_handler(struct nl_msg *msg, void *arg);
538
539
6241fcb1
JM		 540/* nl80211 code */
541static int ack_handler(struct nl_msg *msg, void *arg)
542{
543 int *err = arg;
544 *err = 0;
545 return NL_STOP;
546}
547
548static int finish_handler(struct nl_msg *msg, void *arg)
549{
8e8df255
JM		 550 int *ret = arg;
551 *ret = 0;
6241fcb1
JM		 552 return NL_SKIP;
553}
554
555static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
556 void *arg)
557{
558 int *ret = arg;
559 *ret = err->error;
560 return NL_SKIP;
561}
562
5b7b85f6
JM		 563
564static int no_seq_check(struct nl_msg *msg, void *arg)
565{
566 return NL_OK;
567}
568
569
d6c9aab8 570static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 571 struct nl_handle *nl_handle, struct nl_msg *msg,
572 int (*valid_handler)(struct nl_msg *, void *),
573 void *valid_data)
6241fcb1
JM		 574{
575 struct nl_cb *cb;
576 int err = -ENOMEM;
577
d6c9aab8 578 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 579 if (!cb)
580 goto out;
581
58f6fbe0 582 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 583 if (err < 0)
584 goto out;
585
586 err = 1;
587
588 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 589 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 590 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
591
592 if (valid_handler)
593 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
594 valid_handler, valid_data);
595
34068ac3
JM		 596 while (err > 0) {
597 int res = nl_recvmsgs(nl_handle, cb);
598 if (res) {
599 wpa_printf(MSG_INFO,
600 "nl80211: %s->nl_recvmsgs failed: %d",
601 __func__, res);
602 }
603 }
6241fcb1
JM		 604 out:
605 nl_cb_put(cb);
606 nlmsg_free(msg);
607 return err;
608}
609
610
d6c9aab8
JB		 611static int send_and_recv_msgs_global(struct nl80211_global *global,
612 struct nl_msg *msg,
613 int (*valid_handler)(struct nl_msg *, void *),
614 void *valid_data)
615{
481234cf 616 return send_and_recv(global, global->nl, msg, valid_handler,
d6c9aab8
JB		 617 valid_data);
618}
619
620
58f6fbe0
JM		 621static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
622 struct nl_msg *msg,
623 int (*valid_handler)(struct nl_msg *, void *),
624 void *valid_data)
625{
481234cf 626 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 627 valid_handler, valid_data);
58f6fbe0
JM		 628}
629
630
97865538
JM		 631struct family_data {
632 const char *group;
633 int id;
634};
635
636
d3aaef80
DS		 637static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
638{
639 if (bss->wdev_id_set)
640 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
641 else
642 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
643 return 0;
644
645nla_put_failure:
646 return -1;
647}
648
649
97865538
JM		 650static int family_handler(struct nl_msg *msg, void *arg)
651{
652 struct family_data *res = arg;
653 struct nlattr *tb[CTRL_ATTR_MAX + 1];
654 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
655 struct nlattr *mcgrp;
656 int i;
657
658 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
659 genlmsg_attrlen(gnlh, 0), NULL);
660 if (!tb[CTRL_ATTR_MCAST_GROUPS])
661 return NL_SKIP;
662
663 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
664 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
665 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
666 nla_len(mcgrp), NULL);
667 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
668 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
669 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
670 res->group,
671 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
672 continue;
673 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
674 break;
675 };
676
677 return NL_SKIP;
678}
679
680
d6c9aab8 681static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 682 const char *family, const char *group)
683{
684 struct nl_msg *msg;
685 int ret = -1;
686 struct family_data res = { group, -ENOENT };
687
688 msg = nlmsg_alloc();
689 if (!msg)
690 return -ENOMEM;
481234cf 691 genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
97865538
JM		 692 0, 0, CTRL_CMD_GETFAMILY, 0);
693 NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
694
d6c9aab8 695 ret = send_and_recv_msgs_global(global, msg, family_handler, &res);
97865538
JM		 696 msg = NULL;
697 if (ret == 0)
698 ret = res.id;
699
700nla_put_failure:
701 nlmsg_free(msg);
702 return ret;
703}
704
705
9fb04070
JM		 706static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
707 struct nl_msg *msg, int flags, uint8_t cmd)
708{
335d42b1 709 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 710 0, flags, cmd, 0);
9fb04070
JM		 711}
712
713
e32ad281
JB		 714struct wiphy_idx_data {
715 int wiphy_idx;
01517c8b 716 enum nl80211_iftype nlmode;
597b94f5 717 u8 *macaddr;
e32ad281
JB		 718};
719
720
721static int netdev_info_handler(struct nl_msg *msg, void *arg)
722{
723 struct nlattr *tb[NL80211_ATTR_MAX + 1];
724 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
725 struct wiphy_idx_data *info = arg;
726
727 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
728 genlmsg_attrlen(gnlh, 0), NULL);
729
730 if (tb[NL80211_ATTR_WIPHY])
731 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
732
01517c8b
JB		 733 if (tb[NL80211_ATTR_IFTYPE])
734 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
735
597b94f5
AS		 736 if (tb[NL80211_ATTR_MAC] && info->macaddr)
737 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
738 ETH_ALEN);
739
e32ad281
JB		 740 return NL_SKIP;
741}
742
743
744static int nl80211_get_wiphy_index(struct i802_bss *bss)
745{
746 struct nl_msg *msg;
747 struct wiphy_idx_data data = {
748 .wiphy_idx = -1,
597b94f5 749 .macaddr = NULL,
e32ad281
JB		 750 };
751
752 msg = nlmsg_alloc();
753 if (!msg)
8e12685c 754 return NL80211_IFTYPE_UNSPECIFIED;
e32ad281
JB		 755
756 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
757
27ce1d64
AS		 758 if (nl80211_set_iface_id(msg, bss) < 0)
759 goto nla_put_failure;
e32ad281
JB		 760
761 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
762 return data.wiphy_idx;
763 msg = NULL;
764nla_put_failure:
765 nlmsg_free(msg);
766 return -1;
767}
768
769
01517c8b
JB		 770static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
771{
772 struct nl_msg *msg;
773 struct wiphy_idx_data data = {
597b94f5
AS		 774 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
775 .macaddr = NULL,
01517c8b
JB		 776 };
777
778 msg = nlmsg_alloc();
779 if (!msg)
780 return -1;
781
782 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
783
f632e483
AS		 784 if (nl80211_set_iface_id(msg, bss) < 0)
785 goto nla_put_failure;
01517c8b
JB		 786
787 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
788 return data.nlmode;
789 msg = NULL;
790nla_put_failure:
791 nlmsg_free(msg);
792 return NL80211_IFTYPE_UNSPECIFIED;
793}
01517c8b
JB		 794
795
597b94f5
AS		 796#ifndef HOSTAPD
797static int nl80211_get_macaddr(struct i802_bss *bss)
798{
799 struct nl_msg *msg;
800 struct wiphy_idx_data data = {
801 .macaddr = bss->addr,
802 };
803
804 msg = nlmsg_alloc();
805 if (!msg)
806 return NL80211_IFTYPE_UNSPECIFIED;
807
808 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
809 if (nl80211_set_iface_id(msg, bss) < 0)
810 goto nla_put_failure;
811
812 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
813
814nla_put_failure:
815 nlmsg_free(msg);
816 return NL80211_IFTYPE_UNSPECIFIED;
817}
818#endif /* HOSTAPD */
819
820
e32ad281
JB		 821static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
822 struct nl80211_wiphy_data *w)
823{
824 struct nl_msg *msg;
825 int ret = -1;
826
827 msg = nlmsg_alloc();
828 if (!msg)
829 return -1;
830
831 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS);
832
833 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx);
834
481234cf 835 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 836 msg = NULL;
837 if (ret) {
838 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
839 "failed: ret=%d (%s)",
840 ret, strerror(-ret));
841 goto nla_put_failure;
842 }
843 ret = 0;
844nla_put_failure:
845 nlmsg_free(msg);
846 return ret;
847}
848
849
850static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
851{
852 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 853 int res;
e32ad281 854
ee9fc67a 855 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 856
34068ac3
JM		 857 res = nl_recvmsgs(handle, w->nl_cb);
858 if (res) {
859 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
860 __func__, res);
861 }
e32ad281
JB		 862}
863
864
865static int process_beacon_event(struct nl_msg *msg, void *arg)
866{
867 struct nl80211_wiphy_data *w = arg;
868 struct wpa_driver_nl80211_data *drv;
869 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
870 struct nlattr *tb[NL80211_ATTR_MAX + 1];
871 union wpa_event_data event;
872
873 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
874 genlmsg_attrlen(gnlh, 0), NULL);
875
876 if (gnlh->cmd != NL80211_CMD_FRAME) {
877 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
878 gnlh->cmd);
879 return NL_SKIP;
880 }
881
882 if (!tb[NL80211_ATTR_FRAME])
883 return NL_SKIP;
884
885 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
886 wiphy_list) {
887 os_memset(&event, 0, sizeof(event));
888 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
889 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
890 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
891 }
892
893 return NL_SKIP;
894}
895
896
897static struct nl80211_wiphy_data *
898nl80211_get_wiphy_data_ap(struct i802_bss *bss)
899{
900 static DEFINE_DL_LIST(nl80211_wiphys);
901 struct nl80211_wiphy_data *w;
902 int wiphy_idx, found = 0;
903 struct i802_bss *tmp_bss;
904
905 if (bss->wiphy_data != NULL)
906 return bss->wiphy_data;
907
908 wiphy_idx = nl80211_get_wiphy_index(bss);
909
910 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
911 if (w->wiphy_idx == wiphy_idx)
912 goto add;
913 }
914
915 /* alloc new one */
916 w = os_zalloc(sizeof(*w));
917 if (w == NULL)
918 return NULL;
919 w->wiphy_idx = wiphy_idx;
920 dl_list_init(&w->bsss);
921 dl_list_init(&w->drvs);
922
923 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
924 if (!w->nl_cb) {
925 os_free(w);
926 return NULL;
927 }
928 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
929 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
930 w);
931
481234cf
JM		 932 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
933 "wiphy beacons");
934 if (w->nl_beacons == NULL) {
e32ad281
JB		 935 os_free(w);
936 return NULL;
937 }
938
939 if (nl80211_register_beacons(bss->drv, w)) {
940 nl_destroy_handles(&w->nl_beacons);
941 os_free(w);
942 return NULL;
943 }
944
5f65e9f7 945 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
e32ad281
JB		 946
947 dl_list_add(&nl80211_wiphys, &w->list);
948
949add:
950 /* drv entry for this bss already there? */
951 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
952 if (tmp_bss->drv == bss->drv) {
953 found = 1;
954 break;
955 }
956 }
957 /* if not add it */
958 if (!found)
959 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
960
961 dl_list_add(&w->bsss, &bss->wiphy_list);
962 bss->wiphy_data = w;
963 return w;
964}
965
966
967static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
968{
969 struct nl80211_wiphy_data *w = bss->wiphy_data;
970 struct i802_bss *tmp_bss;
971 int found = 0;
972
973 if (w == NULL)
974 return;
975 bss->wiphy_data = NULL;
976 dl_list_del(&bss->wiphy_list);
977
978 /* still any for this drv present? */
979 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
980 if (tmp_bss->drv == bss->drv) {
981 found = 1;
982 break;
983 }
984 }
985 /* if not remove it */
986 if (!found)
987 dl_list_del(&bss->drv->wiphy_list);
988
989 if (!dl_list_empty(&w->bsss))
990 return;
991
5f65e9f7 992 nl80211_destroy_eloop_handle(&w->nl_beacons);
e32ad281
JB		 993
994 nl_cb_put(w->nl_cb);
e32ad281
JB		 995 dl_list_del(&w->list);
996 os_free(w);
997}
998
999
3f5285e8
JM		 1000static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
1001{
a2e40bb6
FF		 1002 struct i802_bss *bss = priv;
1003 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 1004 if (!drv->associated)
1005 return -1;
1006 os_memcpy(bssid, drv->bssid, ETH_ALEN);
1007 return 0;
3f5285e8
JM		 1008}
1009
1010
3f5285e8
JM		 1011static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
1012{
a2e40bb6
FF		 1013 struct i802_bss *bss = priv;
1014 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 1015 if (!drv->associated)
1016 return -1;
1017 os_memcpy(ssid, drv->ssid, drv->ssid_len);
1018 return drv->ssid_len;
3f5285e8
JM		 1019}
1020
1021
7524cfb1 1022static void wpa_driver_nl80211_event_link(struct wpa_driver_nl80211_data *drv,
08063178 1023 char *buf, size_t len, int del)
3f5285e8
JM		 1024{
1025 union wpa_event_data event;
1026
1027 os_memset(&event, 0, sizeof(event));
1028 if (len > sizeof(event.interface_status.ifname))
1029 len = sizeof(event.interface_status.ifname) - 1;
1030 os_memcpy(event.interface_status.ifname, buf, len);
1031 event.interface_status.ievent = del ? EVENT_INTERFACE_REMOVED :
1032 EVENT_INTERFACE_ADDED;
1033
1034 wpa_printf(MSG_DEBUG, "RTM_%sLINK, IFLA_IFNAME: Interface '%s' %s",
1035 del ? "DEL" : "NEW",
1036 event.interface_status.ifname,
1037 del ? "removed" : "added");
1038
a2e40bb6 1039 if (os_strcmp(drv->first_bss.ifname, event.interface_status.ifname) == 0) {
d1f4942b
JM		 1040 if (del) {
1041 if (drv->if_removed) {
1042 wpa_printf(MSG_DEBUG, "nl80211: if_removed "
1043 "already set - ignore event");
1044 return;
1045 }
7524cfb1 1046 drv->if_removed = 1;
d1f4942b
JM		 1047 } else {
1048 if (if_nametoindex(drv->first_bss.ifname) == 0) {
1049 wpa_printf(MSG_DEBUG, "nl80211: Interface %s "
1050 "does not exist - ignore "
1051 "RTM_NEWLINK",
1052 drv->first_bss.ifname);
1053 return;
1054 }
1055 if (!drv->if_removed) {
1056 wpa_printf(MSG_DEBUG, "nl80211: if_removed "
1057 "already cleared - ignore event");
1058 return;
1059 }
7524cfb1 1060 drv->if_removed = 0;
d1f4942b 1061 }
7524cfb1
JM		 1062 }
1063
08063178 1064 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
3f5285e8
JM		 1065}
1066
1067
7524cfb1 1068static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 1069 u8 *buf, size_t len)
7524cfb1 1070{
62d680c3 1071 int attrlen, rta_len;
7524cfb1
JM		 1072 struct rtattr *attr;
1073
62d680c3
JM		 1074 attrlen = len;
1075 attr = (struct rtattr *) buf;
7524cfb1
JM		 1076
1077 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1078 while (RTA_OK(attr, attrlen)) {
1079 if (attr->rta_type == IFLA_IFNAME) {
a2e40bb6 1080 if (os_strcmp(((char *) attr) + rta_len, drv->first_bss.ifname)
7524cfb1
JM		 1081 == 0)
1082 return 1;
1083 else
1084 break;
1085 }
1086 attr = RTA_NEXT(attr, attrlen);
1087 }
1088
1089 return 0;
1090}
1091
1092
1093static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 1094 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 1095{
1096 if (drv->ifindex == ifindex)
1097 return 1;
1098
62d680c3 1099 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
7524cfb1
JM		 1100 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
1101 "interface");
1102 wpa_driver_nl80211_finish_drv_init(drv);
1103 return 1;
1104 }
1105
1106 return 0;
1107}
1108
1109
36d84860
BG		 1110static struct wpa_driver_nl80211_data *
1111nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
1112{
1113 struct wpa_driver_nl80211_data *drv;
1114 dl_list_for_each(drv, &global->interfaces,
1115 struct wpa_driver_nl80211_data, list) {
1116 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
1117 have_ifidx(drv, idx))
1118 return drv;
1119 }
1120 return NULL;
1121}
1122
1123
62d680c3
JM		 1124static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1125 struct ifinfomsg *ifi,
1126 u8 *buf, size_t len)
3f5285e8 1127{
36d84860
BG		 1128 struct nl80211_global *global = ctx;
1129 struct wpa_driver_nl80211_data *drv;
62d680c3
JM		 1130 int attrlen, rta_len;
1131 struct rtattr *attr;
97cfcf64 1132 u32 brid = 0;
aef85ba2 1133 char namebuf[IFNAMSIZ];
3f5285e8 1134
36d84860
BG		 1135 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1136 if (!drv) {
97cfcf64
B		 1137 wpa_printf(MSG_DEBUG, "nl80211: Ignore event for foreign "
1138 "ifindex %d", ifi->ifi_index);
3f5285e8
JM		 1139 return;
1140 }
1141
1142 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: operstate=%d ifi_flags=0x%x "
1143 "(%s%s%s%s)",
1144 drv->operstate, ifi->ifi_flags,
1145 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1146 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1147 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1148 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4
JM		 1149
1150 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
59d24925
JM		 1151 if (if_indextoname(ifi->ifi_index, namebuf) &&
1152 linux_iface_up(drv->global->ioctl_sock,
1153 drv->first_bss.ifname) > 0) {
1154 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1155 "event since interface %s is up", namebuf);
1156 return;
1157 }
a63063b4 1158 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
7d9c3698
JM		 1159 if (drv->ignore_if_down_event) {
1160 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1161 "event generated by mode change");
1162 drv->ignore_if_down_event = 0;
1163 } else {
1164 drv->if_disabled = 1;
1165 wpa_supplicant_event(drv->ctx,
1166 EVENT_INTERFACE_DISABLED, NULL);
1167 }
a63063b4
JM		 1168 }
1169
1170 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2
JM		 1171 if (if_indextoname(ifi->ifi_index, namebuf) &&
1172 linux_iface_up(drv->global->ioctl_sock,
1173 drv->first_bss.ifname) == 0) {
1174 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1175 "event since interface %s is down",
1176 namebuf);
d1f4942b
JM		 1177 } else if (if_nametoindex(drv->first_bss.ifname) == 0) {
1178 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1179 "event since interface %s does not exist",
1180 drv->first_bss.ifname);
1181 } else if (drv->if_removed) {
1182 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1183 "event since interface %s is marked "
1184 "removed", drv->first_bss.ifname);
aef85ba2
JM		 1185 } else {
1186 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1187 drv->if_disabled = 0;
1188 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1189 NULL);
1190 }
a63063b4
JM		 1191 }
1192
3f5285e8
JM		 1193 /*
1194 * Some drivers send the association event before the operup event--in
1195 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1196 * fails. This will hit us when wpa_supplicant does not need to do
1197 * IEEE 802.1X authentication
1198 */
1199 if (drv->operstate == 1 &&
1200 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1201 !(ifi->ifi_flags & IFF_RUNNING))
36d84860 1202 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1203 -1, IF_OPER_UP);
3f5285e8 1204
62d680c3
JM		 1205 attrlen = len;
1206 attr = (struct rtattr *) buf;
3f5285e8
JM		 1207 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1208 while (RTA_OK(attr, attrlen)) {
d8816397 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, 0);
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 added to bridge */
97cfcf64
B		 1221 if_indextoname(brid, namebuf);
1222 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1223 brid, namebuf);
1224 add_ifidx(drv, brid);
1225 }
3f5285e8
JM		 1226}
1227
1228
62d680c3
JM		 1229static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1230 struct ifinfomsg *ifi,
1231 u8 *buf, size_t len)
3f5285e8 1232{
36d84860
BG		 1233 struct nl80211_global *global = ctx;
1234 struct wpa_driver_nl80211_data *drv;
62d680c3
JM		 1235 int attrlen, rta_len;
1236 struct rtattr *attr;
97cfcf64 1237 u32 brid = 0;
3f5285e8 1238
36d84860
BG		 1239 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1240 if (!drv) {
1241 wpa_printf(MSG_DEBUG, "nl80211: Ignore dellink event for "
1242 "foreign ifindex %d", ifi->ifi_index);
1243 return;
1244 }
1245
62d680c3
JM		 1246 attrlen = len;
1247 attr = (struct rtattr *) buf;
3f5285e8
JM		 1248
1249 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1250 while (RTA_OK(attr, attrlen)) {
1251 if (attr->rta_type == IFLA_IFNAME) {
7524cfb1 1252 wpa_driver_nl80211_event_link(
08063178 1253 drv,
7524cfb1
JM		 1254 ((char *) attr) + rta_len,
1255 attr->rta_len - rta_len, 1);
97cfcf64
B		 1256 } else if (attr->rta_type == IFLA_MASTER)
1257 brid = nla_get_u32((struct nlattr *) attr);
3f5285e8
JM		 1258 attr = RTA_NEXT(attr, attrlen);
1259 }
97cfcf64
B		 1260
1261 if (ifi->ifi_family == AF_BRIDGE && brid) {
1262 /* device has been removed from bridge */
1263 char namebuf[IFNAMSIZ];
1264 if_indextoname(brid, namebuf);
1265 wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
1266 "%s", brid, namebuf);
1267 del_ifidx(drv, brid);
1268 }
3f5285e8
JM		 1269}
1270
1271
c2a04078
JM		 1272static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
1273 const u8 *frame, size_t len)
1274{
1275 const struct ieee80211_mgmt *mgmt;
1276 union wpa_event_data event;
1277
7d81932d 1278 wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
c2a04078
JM		 1279 mgmt = (const struct ieee80211_mgmt *) frame;
1280 if (len < 24 + sizeof(mgmt->u.auth)) {
1281 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1282 "frame");
1283 return;
1284 }
1285
e6b8efeb 1286 os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1287 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
c2a04078
JM		 1288 os_memset(&event, 0, sizeof(event));
1289 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
1290 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
569fed90
JM		 1291 event.auth.auth_transaction =
1292 le_to_host16(mgmt->u.auth.auth_transaction);
c2a04078
JM		 1293 event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
1294 if (len > 24 + sizeof(mgmt->u.auth)) {
1295 event.auth.ies = mgmt->u.auth.variable;
1296 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
1297 }
1298
1299 wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
1300}
1301
1302
f5a8d422
JM		 1303static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1304{
1305 struct nl_msg *msg;
1306 int ret;
1307 struct nl80211_bss_info_arg arg;
1308
1309 os_memset(&arg, 0, sizeof(arg));
1310 msg = nlmsg_alloc();
1311 if (!msg)
1312 goto nla_put_failure;
1313
9fb04070 1314 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422
JM		 1315 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
1316
1317 arg.drv = drv;
1318 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1319 msg = NULL;
1320 if (ret == 0) {
1321 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1322 "associated BSS from scan results: %u MHz",
1323 arg.assoc_freq);
30158a0d
SD		 1324 if (arg.assoc_freq)
1325 drv->assoc_freq = arg.assoc_freq;
1326 return drv->assoc_freq;
f5a8d422
JM		 1327 }
1328 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1329 "(%s)", ret, strerror(-ret));
1330nla_put_failure:
1331 nlmsg_free(msg);
1332 return drv->assoc_freq;
1333}
1334
1335
c2a04078
JM		 1336static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
1337 const u8 *frame, size_t len)
1338{
1339 const struct ieee80211_mgmt *mgmt;
1340 union wpa_event_data event;
1341 u16 status;
1342
7d81932d 1343 wpa_printf(MSG_DEBUG, "nl80211: Associate event");
c2a04078
JM		 1344 mgmt = (const struct ieee80211_mgmt *) frame;
1345 if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
1346 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1347 "frame");
1348 return;
1349 }
1350
1351 status = le_to_host16(mgmt->u.assoc_resp.status_code);
1352 if (status != WLAN_STATUS_SUCCESS) {
efa46078 1353 os_memset(&event, 0, sizeof(event));
59ddf221 1354 event.assoc_reject.bssid = mgmt->bssid;
efa46078
JM		 1355 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1356 event.assoc_reject.resp_ies =
1357 (u8 *) mgmt->u.assoc_resp.variable;
1358 event.assoc_reject.resp_ies_len =
1359 len - 24 - sizeof(mgmt->u.assoc_resp);
1360 }
1361 event.assoc_reject.status_code = status;
1362
1363 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
c2a04078
JM		 1364 return;
1365 }
1366
1367 drv->associated = 1;
1368 os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1369 os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
c2a04078
JM		 1370
1371 os_memset(&event, 0, sizeof(event));
1372 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1373 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
1374 event.assoc_info.resp_ies_len =
efa46078 1375 len - 24 - sizeof(mgmt->u.assoc_resp);
c2a04078
JM		 1376 }
1377
4832ecd7
JM		 1378 event.assoc_info.freq = drv->assoc_freq;
1379
c2a04078
JM		 1380 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1381}
1382
c1bb3e0a 1383
da72a1c1
ZY		 1384static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
1385 enum nl80211_commands cmd, struct nlattr *status,
1386 struct nlattr *addr, struct nlattr *req_ie,
1387 struct nlattr *resp_ie)
1388{
1389 union wpa_event_data event;
1390
7da2c527
JM		 1391 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1392 /*
1393 * Avoid reporting two association events that would confuse
1394 * the core code.
1395 */
1396 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
1397 "when using userspace SME", cmd);
1398 return;
1399 }
1400
7d81932d
JM		 1401 if (cmd == NL80211_CMD_CONNECT)
1402 wpa_printf(MSG_DEBUG, "nl80211: Connect event");
1403 else if (cmd == NL80211_CMD_ROAM)
1404 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
1405
da72a1c1
ZY		 1406 os_memset(&event, 0, sizeof(event));
1407 if (cmd == NL80211_CMD_CONNECT &&
1408 nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
df89c1c8
JM		 1409 if (addr)
1410 event.assoc_reject.bssid = nla_data(addr);
da72a1c1
ZY		 1411 if (resp_ie) {
1412 event.assoc_reject.resp_ies = nla_data(resp_ie);
1413 event.assoc_reject.resp_ies_len = nla_len(resp_ie);
1414 }
1415 event.assoc_reject.status_code = nla_get_u16(status);
1416 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
1417 return;
1418 }
1419
1420 drv->associated = 1;
add9b7a4 1421 if (addr) {
da72a1c1 1422 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
add9b7a4
JM		 1423 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
1424 }
da72a1c1
ZY		 1425
1426 if (req_ie) {
1427 event.assoc_info.req_ies = nla_data(req_ie);
1428 event.assoc_info.req_ies_len = nla_len(req_ie);
1429 }
1430 if (resp_ie) {
1431 event.assoc_info.resp_ies = nla_data(resp_ie);
1432 event.assoc_info.resp_ies_len = nla_len(resp_ie);
1433 }
1434
f5a8d422
JM		 1435 event.assoc_info.freq = nl80211_get_assoc_freq(drv);
1436
da72a1c1
ZY		 1437 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1438}
c2a04078 1439
c1bb3e0a 1440
20f5a4c2 1441static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
3d9975d5
JM		 1442 struct nlattr *reason, struct nlattr *addr,
1443 struct nlattr *by_ap)
20f5a4c2
JM		 1444{
1445 union wpa_event_data data;
a8c5b43a 1446 unsigned int locally_generated = by_ap == NULL;
20f5a4c2
JM		 1447
1448 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1449 /*
1450 * Avoid reporting two disassociation events that could
1451 * confuse the core code.
1452 */
1453 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1454 "event when using userspace SME");
1455 return;
1456 }
1457
a8c5b43a
CW		 1458 if (drv->ignore_next_local_disconnect) {
1459 drv->ignore_next_local_disconnect = 0;
1460 if (locally_generated) {
1461 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1462 "event triggered during reassociation");
1463 return;
1464 }
1465 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
1466 "disconnect but got another disconnect "
1467 "event first");
1468 }
1469
7d81932d 1470 wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
add9b7a4 1471 nl80211_mark_disconnected(drv);
20f5a4c2
JM		 1472 os_memset(&data, 0, sizeof(data));
1473 if (reason)
2e9f078c
JM		 1474 data.deauth_info.reason_code = nla_get_u16(reason);
1475 data.deauth_info.locally_generated = by_ap == NULL;
1476 wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
20f5a4c2
JM		 1477}
1478
1479
1b487b8b
TP		 1480static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
1481 struct nlattr *freq, struct nlattr *type)
1482{
1483 union wpa_event_data data;
1484 int ht_enabled = 1;
1485 int chan_offset = 0;
1486
1487 wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
1488
1489 if (!freq || !type)
1490 return;
1491
1492 switch (nla_get_u32(type)) {
1493 case NL80211_CHAN_NO_HT:
1494 ht_enabled = 0;
1495 break;
1496 case NL80211_CHAN_HT20:
1497 break;
1498 case NL80211_CHAN_HT40PLUS:
1499 chan_offset = 1;
1500 break;
1501 case NL80211_CHAN_HT40MINUS:
1502 chan_offset = -1;
1503 break;
1504 }
1505
1506 data.ch_switch.freq = nla_get_u32(freq);
1507 data.ch_switch.ht_enabled = ht_enabled;
1508 data.ch_switch.ch_offset = chan_offset;
1509
1510 wpa_supplicant_event(drv->ctx, EVENT_CH_SWITCH, &data);
1511}
1512
1513
da1fb17c
JM		 1514static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
1515 enum nl80211_commands cmd, struct nlattr *addr)
1516{
1517 union wpa_event_data event;
1518 enum wpa_event_type ev;
1519
1520 if (nla_len(addr) != ETH_ALEN)
1521 return;
1522
1523 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
1524 cmd, MAC2STR((u8 *) nla_data(addr)));
1525
1526 if (cmd == NL80211_CMD_AUTHENTICATE)
1527 ev = EVENT_AUTH_TIMED_OUT;
1528 else if (cmd == NL80211_CMD_ASSOCIATE)
1529 ev = EVENT_ASSOC_TIMED_OUT;
1530 else
1531 return;
1532
1533 os_memset(&event, 0, sizeof(event));
1534 os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
1535 wpa_supplicant_event(drv->ctx, ev, &event);
1536}
1537
1538
5582a5d1 1539static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
da873dbb
JB		 1540 struct nlattr *freq, struct nlattr *sig,
1541 const u8 *frame, size_t len)
58f6fbe0
JM		 1542{
1543 const struct ieee80211_mgmt *mgmt;
1544 union wpa_event_data event;
1545 u16 fc, stype;
da873dbb 1546 int ssi_signal = 0;
f18b7817 1547 int rx_freq = 0;
58f6fbe0 1548
cc2ada86 1549 wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
58f6fbe0
JM		 1550 mgmt = (const struct ieee80211_mgmt *) frame;
1551 if (len < 24) {
1552 wpa_printf(MSG_DEBUG, "nl80211: Too short action frame");
1553 return;
1554 }
1555
1556 fc = le_to_host16(mgmt->frame_control);
1557 stype = WLAN_FC_GET_STYPE(fc);
1558
da873dbb
JB		 1559 if (sig)
1560 ssi_signal = (s32) nla_get_u32(sig);
1561
58f6fbe0 1562 os_memset(&event, 0, sizeof(event));
5582a5d1 1563 if (freq) {
58f6fbe0 1564 event.rx_action.freq = nla_get_u32(freq);
f18b7817 1565 rx_freq = drv->last_mgmt_freq = event.rx_action.freq;
5582a5d1 1566 }
f18b7817
JM		 1567 wpa_printf(MSG_DEBUG,
1568 "nl80211: RX frame freq=%d ssi_signal=%d stype=%u len=%u",
1569 rx_freq, ssi_signal, stype, (unsigned int) len);
5582a5d1
JB		 1570 if (stype == WLAN_FC_STYPE_ACTION) {
1571 event.rx_action.da = mgmt->da;
1572 event.rx_action.sa = mgmt->sa;
1573 event.rx_action.bssid = mgmt->bssid;
1574 event.rx_action.category = mgmt->u.action.category;
1575 event.rx_action.data = &mgmt->u.action.category + 1;
1576 event.rx_action.len = frame + len - event.rx_action.data;
1577 wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event);
1578 } else {
1579 event.rx_mgmt.frame = frame;
1580 event.rx_mgmt.frame_len = len;
da873dbb 1581 event.rx_mgmt.ssi_signal = ssi_signal;
5582a5d1
JB		 1582 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
1583 }
58f6fbe0
JM		 1584}
1585
1586
a11241fa
JB		 1587static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
1588 struct nlattr *cookie, const u8 *frame,
1589 size_t len, struct nlattr *ack)
58f6fbe0
JM		 1590{
1591 union wpa_event_data event;
1592 const struct ieee80211_hdr *hdr;
1593 u16 fc;
58f6fbe0 1594
7d81932d 1595 wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
a11241fa
JB		 1596 if (!is_ap_interface(drv->nlmode)) {
1597 u64 cookie_val;
58f6fbe0 1598
a11241fa
JB		 1599 if (!cookie)
1600 return;
1601
1602 cookie_val = nla_get_u64(cookie);
1603 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
1604 " cookie=0%llx%s (ack=%d)",
1605 (long long unsigned int) cookie_val,
1606 cookie_val == drv->send_action_cookie ?
1607 " (match)" : " (unknown)", ack != NULL);
1608 if (cookie_val != drv->send_action_cookie)
1609 return;
1610 }
58f6fbe0
JM		 1611
1612 hdr = (const struct ieee80211_hdr *) frame;
1613 fc = le_to_host16(hdr->frame_control);
1614
1615 os_memset(&event, 0, sizeof(event));
1616 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1617 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1618 event.tx_status.dst = hdr->addr1;
1619 event.tx_status.data = frame;
1620 event.tx_status.data_len = len;
1621 event.tx_status.ack = ack != NULL;
1622 wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
1623}
1624
1625
0544b242
JM		 1626static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
1627 enum wpa_event_type type,
1628 const u8 *frame, size_t len)
1629{
1630 const struct ieee80211_mgmt *mgmt;
1631 union wpa_event_data event;
1632 const u8 *bssid = NULL;
1633 u16 reason_code = 0;
1634
7d81932d
JM		 1635 if (type == EVENT_DEAUTH)
1636 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
1637 else
1638 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
1639
cb30b297
PS		 1640 mgmt = (const struct ieee80211_mgmt *) frame;
1641 if (len >= 24) {
1642 bssid = mgmt->bssid;
1643
add9b7a4
JM		 1644 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
1645 !drv->associated &&
1646 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
1647 os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
1648 os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
1649 /*
1650 * Avoid issues with some roaming cases where
1651 * disconnection event for the old AP may show up after
1652 * we have started connection with the new AP.
1653 */
1654 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
1655 MAC2STR(bssid),
1656 MAC2STR(drv->auth_attempt_bssid));
1657 return;
1658 }
1659
cb30b297
PS		 1660 if (drv->associated != 0 &&
1661 os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
1662 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
1663 /*
1664 * We have presumably received this deauth as a
1665 * response to a clear_state_mismatch() outgoing
1666 * deauth. Don't let it take us offline!
1667 */
1668 wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
1669 "from Unknown BSSID " MACSTR " -- ignoring",
1670 MAC2STR(bssid));
1671 return;
1672 }
1673 }
1674
add9b7a4 1675 nl80211_mark_disconnected(drv);
0544b242
JM		 1676 os_memset(&event, 0, sizeof(event));
1677
0544b242
JM		 1678 /* Note: Same offset for Reason Code in both frame subtypes */
1679 if (len >= 24 + sizeof(mgmt->u.deauth))
1680 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1681
1682 if (type == EVENT_DISASSOC) {
3d9975d5
JM		 1683 event.disassoc_info.locally_generated =
1684 !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN);
0544b242
JM		 1685 event.disassoc_info.addr = bssid;
1686 event.disassoc_info.reason_code = reason_code;
046b26a2
JM		 1687 if (frame + len > mgmt->u.disassoc.variable) {
1688 event.disassoc_info.ie = mgmt->u.disassoc.variable;
1689 event.disassoc_info.ie_len = frame + len -
1690 mgmt->u.disassoc.variable;
1691 }
0544b242 1692 } else {
3d9975d5
JM		 1693 event.deauth_info.locally_generated =
1694 !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN);
0544b242
JM		 1695 event.deauth_info.addr = bssid;
1696 event.deauth_info.reason_code = reason_code;
046b26a2
JM		 1697 if (frame + len > mgmt->u.deauth.variable) {
1698 event.deauth_info.ie = mgmt->u.deauth.variable;
1699 event.deauth_info.ie_len = frame + len -
1700 mgmt->u.deauth.variable;
1701 }
0544b242
JM		 1702 }
1703
1704 wpa_supplicant_event(drv->ctx, type, &event);
1705}
1706
1707
7d878ca7
JM		 1708static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
1709 enum wpa_event_type type,
1710 const u8 *frame, size_t len)
1711{
1712 const struct ieee80211_mgmt *mgmt;
1713 union wpa_event_data event;
1714 u16 reason_code = 0;
1715
7d81932d
JM		 1716 if (type == EVENT_UNPROT_DEAUTH)
1717 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
1718 else
1719 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
1720
7d878ca7
JM		 1721 if (len < 24)
1722 return;
1723
1724 mgmt = (const struct ieee80211_mgmt *) frame;
1725
1726 os_memset(&event, 0, sizeof(event));
1727 /* Note: Same offset for Reason Code in both frame subtypes */
1728 if (len >= 24 + sizeof(mgmt->u.deauth))
1729 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1730
1731 if (type == EVENT_UNPROT_DISASSOC) {
1732 event.unprot_disassoc.sa = mgmt->sa;
1733 event.unprot_disassoc.da = mgmt->da;
1734 event.unprot_disassoc.reason_code = reason_code;
1735 } else {
1736 event.unprot_deauth.sa = mgmt->sa;
1737 event.unprot_deauth.da = mgmt->da;
1738 event.unprot_deauth.reason_code = reason_code;
1739 }
1740
1741 wpa_supplicant_event(drv->ctx, type, &event);
1742}
1743
1744
97279d8d 1745static void mlme_event(struct i802_bss *bss,
da1fb17c 1746 enum nl80211_commands cmd, struct nlattr *frame,
58f6fbe0
JM		 1747 struct nlattr *addr, struct nlattr *timed_out,
1748 struct nlattr *freq, struct nlattr *ack,
da873dbb 1749 struct nlattr *cookie, struct nlattr *sig)
c2a04078 1750{
97279d8d
JM		 1751 struct wpa_driver_nl80211_data *drv = bss->drv;
1752 const u8 *data;
1753 size_t len;
1754
da1fb17c
JM		 1755 if (timed_out && addr) {
1756 mlme_timeout_event(drv, cmd, addr);
1757 return;
1758 }
1759
c2a04078 1760 if (frame == NULL) {
2090a0b4
DS		 1761 wpa_printf(MSG_DEBUG,
1762 "nl80211: MLME event %d (%s) without frame data",
1763 cmd, nl80211_command_to_string(cmd));
c2a04078
JM		 1764 return;
1765 }
1766
97279d8d
JM		 1767 data = nla_data(frame);
1768 len = nla_len(frame);
455299fb 1769 if (len < 4 + 2 * ETH_ALEN) {
2090a0b4
DS		 1770 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
1771 MACSTR ") - too short",
1772 cmd, nl80211_command_to_string(cmd), bss->ifname,
1773 MAC2STR(bss->addr));
97279d8d
JM		 1774 return;
1775 }
2090a0b4
DS		 1776 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
1777 ") A1=" MACSTR " A2=" MACSTR, cmd,
1778 nl80211_command_to_string(cmd), bss->ifname,
1779 MAC2STR(bss->addr), MAC2STR(data + 4),
1780 MAC2STR(data + 4 + ETH_ALEN));
97279d8d 1781 if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
455299fb
JM		 1782 os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
1783 os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
97279d8d
JM		 1784 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
1785 "for foreign address", bss->ifname);
1786 return;
1787 }
c2a04078
JM		 1788 wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
1789 nla_data(frame), nla_len(frame));
1790
1791 switch (cmd) {
1792 case NL80211_CMD_AUTHENTICATE:
1793 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
1794 break;
1795 case NL80211_CMD_ASSOCIATE:
1796 mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
1797 break;
1798 case NL80211_CMD_DEAUTHENTICATE:
0544b242
JM		 1799 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
1800 nla_data(frame), nla_len(frame));
c2a04078
JM		 1801 break;
1802 case NL80211_CMD_DISASSOCIATE:
0544b242
JM		 1803 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
1804 nla_data(frame), nla_len(frame));
c2a04078 1805 break;
bd94971e 1806 case NL80211_CMD_FRAME:
da873dbb
JB		 1807 mlme_event_mgmt(drv, freq, sig, nla_data(frame),
1808 nla_len(frame));
58f6fbe0 1809 break;
bd94971e 1810 case NL80211_CMD_FRAME_TX_STATUS:
a11241fa
JB		 1811 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
1812 nla_len(frame), ack);
58f6fbe0 1813 break;
7d878ca7
JM		 1814 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
1815 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
1816 nla_data(frame), nla_len(frame));
1817 break;
1818 case NL80211_CMD_UNPROT_DISASSOCIATE:
1819 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
1820 nla_data(frame), nla_len(frame));
1821 break;
c2a04078
JM		 1822 default:
1823 break;
1824 }
1825}
1826
1827
a5e1eb20 1828static void mlme_event_michael_mic_failure(struct i802_bss *bss,
35583f3f
JM		 1829 struct nlattr *tb[])
1830{
1831 union wpa_event_data data;
1832
1833 wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
1834 os_memset(&data, 0, sizeof(data));
1835 if (tb[NL80211_ATTR_MAC]) {
1836 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
1837 nla_data(tb[NL80211_ATTR_MAC]),
1838 nla_len(tb[NL80211_ATTR_MAC]));
ad1e68e6 1839 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
35583f3f
JM		 1840 }
1841 if (tb[NL80211_ATTR_KEY_SEQ]) {
1842 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
1843 nla_data(tb[NL80211_ATTR_KEY_SEQ]),
1844 nla_len(tb[NL80211_ATTR_KEY_SEQ]));
1845 }
1846 if (tb[NL80211_ATTR_KEY_TYPE]) {
1847 enum nl80211_key_type key_type =
1848 nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
1849 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
1850 if (key_type == NL80211_KEYTYPE_PAIRWISE)
1851 data.michael_mic_failure.unicast = 1;
1852 } else
1853 data.michael_mic_failure.unicast = 1;
1854
1855 if (tb[NL80211_ATTR_KEY_IDX]) {
1856 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
1857 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
1858 }
1859
a5e1eb20 1860 wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
35583f3f
JM		 1861}
1862
1863
5cc4d64b
JM		 1864static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
1865 struct nlattr *tb[])
1866{
1867 if (tb[NL80211_ATTR_MAC] == NULL) {
1868 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
1869 "event");
1870 return;
1871 }
1872 os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
b21990b4 1873
5cc4d64b
JM		 1874 drv->associated = 1;
1875 wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
1876 MAC2STR(drv->bssid));
1877
1878 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1879}
1880
1881
55777702
JM		 1882static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
1883 int cancel_event, struct nlattr *tb[])
1884{
1885 unsigned int freq, chan_type, duration;
1886 union wpa_event_data data;
1887 u64 cookie;
1888
1889 if (tb[NL80211_ATTR_WIPHY_FREQ])
1890 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1891 else
1892 freq = 0;
1893
1894 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
1895 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1896 else
1897 chan_type = 0;
1898
1899 if (tb[NL80211_ATTR_DURATION])
1900 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
1901 else
1902 duration = 0;
1903
1904 if (tb[NL80211_ATTR_COOKIE])
1905 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1906 else
1907 cookie = 0;
1908
1909 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
1910 "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
1911 cancel_event, freq, chan_type, duration,
1912 (long long unsigned int) cookie,
1913 cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
1914
1915 if (cookie != drv->remain_on_chan_cookie)
1916 return; /* not for us */
1917
531f0331
JB		 1918 if (cancel_event)
1919 drv->pending_remain_on_chan = 0;
55777702
JM		 1920
1921 os_memset(&data, 0, sizeof(data));
1922 data.remain_on_channel.freq = freq;
1923 data.remain_on_channel.duration = duration;
1924 wpa_supplicant_event(drv->ctx, cancel_event ?
1925 EVENT_CANCEL_REMAIN_ON_CHANNEL :
1926 EVENT_REMAIN_ON_CHANNEL, &data);
1927}
1928
1929
6a1ce395
DG		 1930static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
1931 struct nlattr *tb[])
1932{
1933 union wpa_event_data data;
1934
1935 os_memset(&data, 0, sizeof(data));
1936
1937 if (tb[NL80211_ATTR_IE]) {
1938 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
1939 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
1940 }
1941
1942 if (tb[NL80211_ATTR_IE_RIC]) {
1943 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
1944 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
1945 }
1946
1947 if (tb[NL80211_ATTR_MAC])
1948 os_memcpy(data.ft_ies.target_ap,
1949 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1950
1951 wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
1952 MAC2STR(data.ft_ies.target_ap));
1953
1954 wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
1955}
1956
1957
8d923a4a
JM		 1958static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
1959 struct nlattr *tb[])
1960{
1961 union wpa_event_data event;
1962 struct nlattr *nl;
1963 int rem;
1964 struct scan_info *info;
1965#define MAX_REPORT_FREQS 50
1966 int freqs[MAX_REPORT_FREQS];
1967 int num_freqs = 0;
1968
536fd62d
JM		 1969 if (drv->scan_for_auth) {
1970 drv->scan_for_auth = 0;
1971 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
1972 "cfg80211 BSS entry");
1973 wpa_driver_nl80211_authenticate_retry(drv);
1974 return;
1975 }
1976
8d923a4a
JM		 1977 os_memset(&event, 0, sizeof(event));
1978 info = &event.scan_info;
1979 info->aborted = aborted;
1980
1981 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
1982 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
1983 struct wpa_driver_scan_ssid *s =
1984 &info->ssids[info->num_ssids];
1985 s->ssid = nla_data(nl);
1986 s->ssid_len = nla_len(nl);
1987 info->num_ssids++;
1988 if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1989 break;
1990 }
1991 }
1992 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1993 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1994 {
1995 freqs[num_freqs] = nla_get_u32(nl);
1996 num_freqs++;
1997 if (num_freqs == MAX_REPORT_FREQS - 1)
1998 break;
1999 }
2000 info->freqs = freqs;
2001 info->num_freqs = num_freqs;
2002 }
2003 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
2004}
2005
2006
60a972a6
JM		 2007static int get_link_signal(struct nl_msg *msg, void *arg)
2008{
2009 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2010 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2011 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
2012 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
2013 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 2014 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 2015 };
7ee35bf3
PS		 2016 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
2017 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
2018 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
2019 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
2020 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
2021 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
2022 };
1c5c7273 2023 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 2024
2025 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2026 genlmsg_attrlen(gnlh, 0), NULL);
2027 if (!tb[NL80211_ATTR_STA_INFO] ||
2028 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
2029 tb[NL80211_ATTR_STA_INFO], policy))
2030 return NL_SKIP;
2031 if (!sinfo[NL80211_STA_INFO_SIGNAL])
2032 return NL_SKIP;
2033
7ee35bf3
PS		 2034 sig_change->current_signal =
2035 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
2036
95783298
AO		 2037 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
2038 sig_change->avg_signal =
2039 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
2040 else
2041 sig_change->avg_signal = 0;
2042
7ee35bf3
PS		 2043 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
2044 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
2045 sinfo[NL80211_STA_INFO_TX_BITRATE],
2046 rate_policy)) {
2047 sig_change->current_txrate = 0;
2048 } else {
2049 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
2050 sig_change->current_txrate =
2051 nla_get_u16(rinfo[
2052 NL80211_RATE_INFO_BITRATE]) * 100;
2053 }
2054 }
2055 }
2056
60a972a6
JM		 2057 return NL_SKIP;
2058}
2059
2060
2061static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1c5c7273 2062 struct wpa_signal_info *sig)
60a972a6
JM		 2063{
2064 struct nl_msg *msg;
2065
7ee35bf3
PS		 2066 sig->current_signal = -9999;
2067 sig->current_txrate = 0;
60a972a6
JM		 2068
2069 msg = nlmsg_alloc();
2070 if (!msg)
2071 return -ENOMEM;
2072
9fb04070 2073 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
60a972a6
JM		 2074
2075 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2076 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
2077
2078 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
2079 nla_put_failure:
5883168a 2080 nlmsg_free(msg);
60a972a6
JM		 2081 return -ENOBUFS;
2082}
2083
2084
7ee35bf3
PS		 2085static int get_link_noise(struct nl_msg *msg, void *arg)
2086{
2087 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2088 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2089 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2090 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2091 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2092 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2093 };
1c5c7273 2094 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 2095
2096 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2097 genlmsg_attrlen(gnlh, 0), NULL);
2098
2099 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2100 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
2101 return NL_SKIP;
2102 }
2103
2104 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2105 tb[NL80211_ATTR_SURVEY_INFO],
2106 survey_policy)) {
2107 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
2108 "attributes!");
2109 return NL_SKIP;
2110 }
2111
2112 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2113 return NL_SKIP;
2114
2115 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2116 sig_change->frequency)
2117 return NL_SKIP;
2118
2119 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2120 return NL_SKIP;
2121
2122 sig_change->current_noise =
2123 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2124
2125 return NL_SKIP;
2126}
2127
2128
2129static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1c5c7273 2130 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 2131{
2132 struct nl_msg *msg;
2133
2134 sig_change->current_noise = 9999;
2135 sig_change->frequency = drv->assoc_freq;
2136
2137 msg = nlmsg_alloc();
2138 if (!msg)
2139 return -ENOMEM;
2140
9fb04070 2141 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3
PS		 2142
2143 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2144
2145 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
2146 nla_put_failure:
5883168a 2147 nlmsg_free(msg);
7ee35bf3
PS		 2148 return -ENOBUFS;
2149}
2150
2151
577db0ae
GM		 2152static int get_noise_for_scan_results(struct nl_msg *msg, void *arg)
2153{
2154 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2155 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2156 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2157 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2158 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2159 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2160 };
2161 struct wpa_scan_results *scan_results = arg;
2162 struct wpa_scan_res *scan_res;
2163 size_t i;
2164
2165 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2166 genlmsg_attrlen(gnlh, 0), NULL);
2167
2168 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2169 wpa_printf(MSG_DEBUG, "nl80211: Survey data missing");
2170 return NL_SKIP;
2171 }
2172
2173 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2174 tb[NL80211_ATTR_SURVEY_INFO],
2175 survey_policy)) {
2176 wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested "
2177 "attributes");
2178 return NL_SKIP;
2179 }
2180
2181 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2182 return NL_SKIP;
2183
2184 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2185 return NL_SKIP;
2186
2187 for (i = 0; i < scan_results->num; ++i) {
2188 scan_res = scan_results->res[i];
2189 if (!scan_res)
2190 continue;
2191 if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2192 scan_res->freq)
2193 continue;
2194 if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID))
2195 continue;
2196 scan_res->noise = (s8)
2197 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2198 scan_res->flags &= ~WPA_SCAN_NOISE_INVALID;
2199 }
2200
2201 return NL_SKIP;
2202}
2203
2204
2205static int nl80211_get_noise_for_scan_results(
2206 struct wpa_driver_nl80211_data *drv,
2207 struct wpa_scan_results *scan_res)
2208{
2209 struct nl_msg *msg;
2210
2211 msg = nlmsg_alloc();
2212 if (!msg)
2213 return -ENOMEM;
2214
2215 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
2216
2217 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2218
2219 return send_and_recv_msgs(drv, msg, get_noise_for_scan_results,
2220 scan_res);
2221 nla_put_failure:
9e088e74 2222 nlmsg_free(msg);
577db0ae
GM		 2223 return -ENOBUFS;
2224}
2225
2226
93910401
JM		 2227static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
2228 struct nlattr *tb[])
2229{
2230 static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
2231 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
2232 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
2233 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
0d7e5a3a 2234 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
93910401
JM		 2235 };
2236 struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
2237 enum nl80211_cqm_rssi_threshold_event event;
b625473c 2238 union wpa_event_data ed;
1c5c7273 2239 struct wpa_signal_info sig;
7ee35bf3 2240 int res;
93910401
JM		 2241
2242 if (tb[NL80211_ATTR_CQM] == NULL ||
2243 nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
2244 cqm_policy)) {
2245 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
2246 return;
2247 }
2248
0d7e5a3a
JB		 2249 os_memset(&ed, 0, sizeof(ed));
2250
2251 if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
2252 if (!tb[NL80211_ATTR_MAC])
2253 return;
2254 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
2255 ETH_ALEN);
2256 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
2257 return;
2258 }
2259
93910401
JM		 2260 if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
2261 return;
2262 event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
b625473c 2263
93910401
JM		 2264 if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
2265 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2266 "event: RSSI high");
b625473c 2267 ed.signal_change.above_threshold = 1;
93910401
JM		 2268 } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
2269 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2270 "event: RSSI low");
b625473c
JM		 2271 ed.signal_change.above_threshold = 0;
2272 } else
2273 return;
2274
60a972a6
JM		 2275 res = nl80211_get_link_signal(drv, &sig);
2276 if (res == 0) {
7ee35bf3
PS		 2277 ed.signal_change.current_signal = sig.current_signal;
2278 ed.signal_change.current_txrate = sig.current_txrate;
2279 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
2280 sig.current_signal, sig.current_txrate);
2281 }
2282
2283 res = nl80211_get_link_noise(drv, &sig);
2284 if (res == 0) {
2285 ed.signal_change.current_noise = sig.current_noise;
2286 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
2287 sig.current_noise);
60a972a6
JM		 2288 }
2289
b625473c 2290 wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
93910401
JM		 2291}
2292
2293
18d2ba08
JM		 2294static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
2295 struct nlattr **tb)
2296{
2297 u8 *addr;
2298 union wpa_event_data data;
2299
2300 if (tb[NL80211_ATTR_MAC] == NULL)
2301 return;
2302 addr = nla_data(tb[NL80211_ATTR_MAC]);
2303 wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
5f310a9e 2304
61cbe2ff 2305 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2306 u8 *ies = NULL;
2307 size_t ies_len = 0;
2308 if (tb[NL80211_ATTR_IE]) {
2309 ies = nla_data(tb[NL80211_ATTR_IE]);
2310 ies_len = nla_len(tb[NL80211_ATTR_IE]);
2311 }
2312 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
2313 drv_event_assoc(drv->ctx, addr, ies, ies_len, 0);
2314 return;
2315 }
2316
18d2ba08
JM		 2317 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2318 return;
2319
2320 os_memset(&data, 0, sizeof(data));
2321 os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
2322 wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data);
2323}
2324
2325
ef985058
JM		 2326static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
2327 struct nlattr **tb)
2328{
2329 u8 *addr;
2330 union wpa_event_data data;
2331
2332 if (tb[NL80211_ATTR_MAC] == NULL)
2333 return;
2334 addr = nla_data(tb[NL80211_ATTR_MAC]);
2335 wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
2336 MAC2STR(addr));
5f310a9e 2337
61cbe2ff 2338 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2339 drv_event_disassoc(drv->ctx, addr);
2340 return;
2341 }
2342
ef985058
JM		 2343 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2344 return;
2345
2346 os_memset(&data, 0, sizeof(data));
2347 os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
2348 wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
2349}
2350
2351
b14a210c
JB		 2352static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
2353 struct nlattr **tb)
2354{
2355 struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
2356 static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
2357 [NL80211_REKEY_DATA_KEK] = {
2358 .minlen = NL80211_KEK_LEN,
2359 .maxlen = NL80211_KEK_LEN,
2360 },
2361 [NL80211_REKEY_DATA_KCK] = {
2362 .minlen = NL80211_KCK_LEN,
2363 .maxlen = NL80211_KCK_LEN,
2364 },
2365 [NL80211_REKEY_DATA_REPLAY_CTR] = {
2366 .minlen = NL80211_REPLAY_CTR_LEN,
2367 .maxlen = NL80211_REPLAY_CTR_LEN,
2368 },
2369 };
2370 union wpa_event_data data;
2371
2372 if (!tb[NL80211_ATTR_MAC])
2373 return;
2374 if (!tb[NL80211_ATTR_REKEY_DATA])
2375 return;
2376 if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
2377 tb[NL80211_ATTR_REKEY_DATA], rekey_policy))
2378 return;
2379 if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
2380 return;
2381
2382 os_memset(&data, 0, sizeof(data));
2383 data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
2384 wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
2385 MAC2STR(data.driver_gtk_rekey.bssid));
2386 data.driver_gtk_rekey.replay_ctr =
2387 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
2388 wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
2389 data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
2390 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
2391}
2392
2393
c36d5242
JM		 2394static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
2395 struct nlattr **tb)
2396{
2397 struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
2398 static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
2399 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
2400 [NL80211_PMKSA_CANDIDATE_BSSID] = {
2401 .minlen = ETH_ALEN,
2402 .maxlen = ETH_ALEN,
2403 },
2404 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
2405 };
2406 union wpa_event_data data;
2407
7d81932d
JM		 2408 wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
2409
c36d5242
JM		 2410 if (!tb[NL80211_ATTR_PMKSA_CANDIDATE])
2411 return;
2412 if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
2413 tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy))
2414 return;
2415 if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
2416 !cand[NL80211_PMKSA_CANDIDATE_BSSID])
2417 return;
2418
2419 os_memset(&data, 0, sizeof(data));
2420 os_memcpy(data.pmkid_candidate.bssid,
2421 nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
2422 data.pmkid_candidate.index =
2423 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
2424 data.pmkid_candidate.preauth =
2425 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
2426 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
2427}
2428
2429
39718852
JB		 2430static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
2431 struct nlattr **tb)
2432{
2433 union wpa_event_data data;
2434
7d81932d
JM		 2435 wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
2436
39718852
JB		 2437 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
2438 return;
2439
2440 os_memset(&data, 0, sizeof(data));
2441 os_memcpy(data.client_poll.addr,
2442 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2443
2444 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
2445}
2446
2447
6201b052
JM		 2448static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
2449 struct nlattr **tb)
2450{
2451 union wpa_event_data data;
2452
2453 wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
2454
2455 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
2456 return;
2457
2458 os_memset(&data, 0, sizeof(data));
2459 os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2460 switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
2461 case NL80211_TDLS_SETUP:
2462 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
2463 MACSTR, MAC2STR(data.tdls.peer));
2464 data.tdls.oper = TDLS_REQUEST_SETUP;
2465 break;
2466 case NL80211_TDLS_TEARDOWN:
2467 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
2468 MACSTR, MAC2STR(data.tdls.peer));
2469 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
2470 break;
2471 default:
2472 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
2473 "event");
2474 return;
2475 }
2476 if (tb[NL80211_ATTR_REASON_CODE]) {
2477 data.tdls.reason_code =
2478 nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
2479 }
2480
2481 wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
2482}
2483
2484
7239ea7f
ST		 2485static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
2486 struct nlattr **tb)
2487{
2488 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
2489}
2490
2491
3140803b
RM		 2492static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
2493 struct nlattr **tb)
2494{
2495 union wpa_event_data data;
2496 u32 reason;
2497
2498 wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
2499
2500 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
2501 return;
2502
2503 os_memset(&data, 0, sizeof(data));
2504 os_memcpy(data.connect_failed_reason.addr,
2505 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2506
2507 reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
2508 switch (reason) {
2509 case NL80211_CONN_FAIL_MAX_CLIENTS:
2510 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
2511 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
2512 break;
2513 case NL80211_CONN_FAIL_BLOCKED_CLIENT:
2514 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
2515 " tried to connect",
2516 MAC2STR(data.connect_failed_reason.addr));
2517 data.connect_failed_reason.code = BLOCKED_CLIENT;
2518 break;
2519 default:
2520 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
2521 "%u", reason);
2522 return;
2523 }
2524
2525 wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
2526}
2527
2528
846de15d
JD		 2529static enum chan_width convert2width(int width);
2530
04be54fa
SW		 2531static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
2532 struct nlattr **tb)
2533{
2534 union wpa_event_data data;
2535 enum nl80211_radar_event event_type;
2536
2537 if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
2538 return;
2539
2540 os_memset(&data, 0, sizeof(data));
cd3b0700
MK		 2541 data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
2542 event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
04be54fa 2543
846de15d
JD		 2544 /* Check HT params */
2545 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2546 data.dfs_event.ht_enabled = 1;
2547 data.dfs_event.chan_offset = 0;
2548
2549 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
2550 case NL80211_CHAN_NO_HT:
2551 data.dfs_event.ht_enabled = 0;
2552 break;
2553 case NL80211_CHAN_HT20:
2554 break;
2555 case NL80211_CHAN_HT40PLUS:
2556 data.dfs_event.chan_offset = 1;
2557 break;
2558 case NL80211_CHAN_HT40MINUS:
2559 data.dfs_event.chan_offset = -1;
2560 break;
2561 }
2562 }
2563
2564 /* Get VHT params */
2565 data.dfs_event.chan_width =
2566 convert2width(nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
2567 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
2568 if (tb[NL80211_ATTR_CENTER_FREQ2])
2569 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
2570
2571 wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
2572 data.dfs_event.freq, data.dfs_event.ht_enabled,
2573 data.dfs_event.chan_offset, data.dfs_event.chan_width,
2574 data.dfs_event.cf1, data.dfs_event.cf2);
04be54fa
SW		 2575
2576 switch (event_type) {
2577 case NL80211_RADAR_DETECTED:
2578 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
2579 break;
2580 case NL80211_RADAR_CAC_FINISHED:
2581 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
2582 break;
2583 case NL80211_RADAR_CAC_ABORTED:
2584 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
2585 break;
2586 case NL80211_RADAR_NOP_FINISHED:
2587 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
2588 break;
2589 default:
2590 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
2591 "received", event_type);
2592 break;
2593 }
2594}
2595
2596
3088e4e5
JB		 2597static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
2598 int wds)
02bb32c3
JB		 2599{
2600 struct wpa_driver_nl80211_data *drv = bss->drv;
2601 union wpa_event_data event;
02bb32c3
JB		 2602
2603 if (!tb[NL80211_ATTR_MAC])
2604 return;
2605
02bb32c3 2606 os_memset(&event, 0, sizeof(event));
341eebee 2607 event.rx_from_unknown.bssid = bss->addr;
02bb32c3 2608 event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
3088e4e5 2609 event.rx_from_unknown.wds = wds;
02bb32c3
JB		 2610
2611 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
2612}
2613
2614
a5e1eb20
SE		 2615static void do_process_drv_event(struct i802_bss *bss, int cmd,
2616 struct nlattr **tb)
97865538 2617{
a5e1eb20
SE		 2618 struct wpa_driver_nl80211_data *drv = bss->drv;
2619
2090a0b4
DS		 2620 wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
2621 cmd, nl80211_command_to_string(cmd), bss->ifname);
2622
b1f625e0 2623 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
d6c9aab8
JB		 2624 (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2625 cmd == NL80211_CMD_SCAN_ABORTED)) {
a2e40bb6 2626 wpa_driver_nl80211_set_mode(&drv->first_bss,
b1f625e0
EP		 2627 drv->ap_scan_as_station);
2628 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6
JM		 2629 }
2630
d6c9aab8 2631 switch (cmd) {
d942a79e 2632 case NL80211_CMD_TRIGGER_SCAN:
565110cd 2633 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
a771c07d 2634 drv->scan_state = SCAN_STARTED;
d942a79e 2635 break;
d21c63b9 2636 case NL80211_CMD_START_SCHED_SCAN:
565110cd 2637 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
a771c07d 2638 drv->scan_state = SCHED_SCAN_STARTED;
d21c63b9
LC		 2639 break;
2640 case NL80211_CMD_SCHED_SCAN_STOPPED:
565110cd 2641 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
a771c07d 2642 drv->scan_state = SCHED_SCAN_STOPPED;
d21c63b9
LC		 2643 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2644 break;
97865538 2645 case NL80211_CMD_NEW_SCAN_RESULTS:
565110cd
JM		 2646 wpa_dbg(drv->ctx, MSG_DEBUG,
2647 "nl80211: New scan results available");
a771c07d 2648 drv->scan_state = SCAN_COMPLETED;
97865538
JM		 2649 drv->scan_complete_events = 1;
2650 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2651 drv->ctx);
8d923a4a 2652 send_scan_event(drv, 0, tb);
97865538 2653 break;
d21c63b9 2654 case NL80211_CMD_SCHED_SCAN_RESULTS:
565110cd
JM		 2655 wpa_dbg(drv->ctx, MSG_DEBUG,
2656 "nl80211: New sched scan results available");
a771c07d 2657 drv->scan_state = SCHED_SCAN_RESULTS;
d21c63b9
LC		 2658 send_scan_event(drv, 0, tb);
2659 break;
97865538 2660 case NL80211_CMD_SCAN_ABORTED:
565110cd 2661 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
a771c07d 2662 drv->scan_state = SCAN_ABORTED;
97865538
JM		 2663 /*
2664 * Need to indicate that scan results are available in order
2665 * not to make wpa_supplicant stop its scanning.
2666 */
2667 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2668 drv->ctx);
8d923a4a 2669 send_scan_event(drv, 1, tb);
97865538 2670 break;
c2a04078
JM		 2671 case NL80211_CMD_AUTHENTICATE:
2672 case NL80211_CMD_ASSOCIATE:
2673 case NL80211_CMD_DEAUTHENTICATE:
2674 case NL80211_CMD_DISASSOCIATE:
bd94971e 2675 case NL80211_CMD_FRAME_TX_STATUS:
7d878ca7
JM		 2676 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2677 case NL80211_CMD_UNPROT_DISASSOCIATE:
97279d8d 2678 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
58f6fbe0
JM		 2679 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2680 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2681 tb[NL80211_ATTR_COOKIE],
2682 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
c2a04078 2683 break;
da72a1c1
ZY		 2684 case NL80211_CMD_CONNECT:
2685 case NL80211_CMD_ROAM:
d6c9aab8 2686 mlme_event_connect(drv, cmd,
da72a1c1
ZY		 2687 tb[NL80211_ATTR_STATUS_CODE],
2688 tb[NL80211_ATTR_MAC],
2689 tb[NL80211_ATTR_REQ_IE],
2690 tb[NL80211_ATTR_RESP_IE]);
2691 break;
1b487b8b
TP		 2692 case NL80211_CMD_CH_SWITCH_NOTIFY:
2693 mlme_event_ch_switch(drv, tb[NL80211_ATTR_WIPHY_FREQ],
2694 tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2695 break;
da72a1c1 2696 case NL80211_CMD_DISCONNECT:
20f5a4c2 2697 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
3d9975d5
JM		 2698 tb[NL80211_ATTR_MAC],
2699 tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
da72a1c1 2700 break;
35583f3f 2701 case NL80211_CMD_MICHAEL_MIC_FAILURE:
a5e1eb20 2702 mlme_event_michael_mic_failure(bss, tb);
35583f3f 2703 break;
5cc4d64b
JM		 2704 case NL80211_CMD_JOIN_IBSS:
2705 mlme_event_join_ibss(drv, tb);
2706 break;
55777702
JM		 2707 case NL80211_CMD_REMAIN_ON_CHANNEL:
2708 mlme_event_remain_on_channel(drv, 0, tb);
2709 break;
2710 case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2711 mlme_event_remain_on_channel(drv, 1, tb);
2712 break;
93910401
JM		 2713 case NL80211_CMD_NOTIFY_CQM:
2714 nl80211_cqm_event(drv, tb);
2715 break;
33c5deb8
JM		 2716 case NL80211_CMD_REG_CHANGE:
2717 wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
2718 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2719 NULL);
2720 break;
2721 case NL80211_CMD_REG_BEACON_HINT:
2722 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2723 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2724 NULL);
2725 break;
18d2ba08
JM		 2726 case NL80211_CMD_NEW_STATION:
2727 nl80211_new_station_event(drv, tb);
2728 break;
ef985058
JM		 2729 case NL80211_CMD_DEL_STATION:
2730 nl80211_del_station_event(drv, tb);
2731 break;
b14a210c
JB		 2732 case NL80211_CMD_SET_REKEY_OFFLOAD:
2733 nl80211_rekey_offload_event(drv, tb);
2734 break;
c36d5242
JM		 2735 case NL80211_CMD_PMKSA_CANDIDATE:
2736 nl80211_pmksa_candidate_event(drv, tb);
2737 break;
39718852
JB		 2738 case NL80211_CMD_PROBE_CLIENT:
2739 nl80211_client_probe_event(drv, tb);
2740 break;
6201b052
JM		 2741 case NL80211_CMD_TDLS_OPER:
2742 nl80211_tdls_oper_event(drv, tb);
2743 break;
3140803b
RM		 2744 case NL80211_CMD_CONN_FAILED:
2745 nl80211_connect_failed_event(drv, tb);
2746 break;
6a1ce395
DG		 2747 case NL80211_CMD_FT_EVENT:
2748 mlme_event_ft_event(drv, tb);
2749 break;
04be54fa
SW		 2750 case NL80211_CMD_RADAR_DETECT:
2751 nl80211_radar_event(drv, tb);
2752 break;
7239ea7f
ST		 2753 case NL80211_CMD_STOP_AP:
2754 nl80211_stop_ap(drv, tb);
2755 break;
97865538 2756 default:
565110cd
JM		 2757 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
2758 "(cmd=%d)", cmd);
97865538
JM		 2759 break;
2760 }
d6c9aab8
JB		 2761}
2762
2763
2764static int process_drv_event(struct nl_msg *msg, void *arg)
2765{
2766 struct wpa_driver_nl80211_data *drv = arg;
2767 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2768 struct nlattr *tb[NL80211_ATTR_MAX + 1];
a5e1eb20
SE		 2769 struct i802_bss *bss;
2770 int ifidx = -1;
d6c9aab8
JB		 2771
2772 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2773 genlmsg_attrlen(gnlh, 0), NULL);
2774
d3aaef80 2775 if (tb[NL80211_ATTR_IFINDEX]) {
a5e1eb20
SE		 2776 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2777
d3aaef80
DS		 2778 for (bss = &drv->first_bss; bss; bss = bss->next)
2779 if (ifidx == -1 || ifidx == bss->ifindex) {
2780 do_process_drv_event(bss, gnlh->cmd, tb);
2781 return NL_SKIP;
2782 }
2783 wpa_printf(MSG_DEBUG,
2784 "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d)",
2785 gnlh->cmd, ifidx);
2786 } else if (tb[NL80211_ATTR_WDEV]) {
2787 u64 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2788 wpa_printf(MSG_DEBUG, "nl80211: Process event on P2P device");
2789 for (bss = &drv->first_bss; bss; bss = bss->next) {
2790 if (bss->wdev_id_set && wdev_id == bss->wdev_id) {
2791 do_process_drv_event(bss, gnlh->cmd, tb);
2792 return NL_SKIP;
2793 }
d6c9aab8 2794 }
d3aaef80
DS		 2795 wpa_printf(MSG_DEBUG,
2796 "nl80211: Ignored event (cmd=%d) for foreign interface (wdev 0x%llx)",
2797 gnlh->cmd, (long long unsigned int) wdev_id);
d6c9aab8
JB		 2798 }
2799
d6c9aab8
JB		 2800 return NL_SKIP;
2801}
2802
2803
2804static int process_global_event(struct nl_msg *msg, void *arg)
2805{
2806 struct nl80211_global *global = arg;
2807 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2808 struct nlattr *tb[NL80211_ATTR_MAX + 1];
24b5bd8b 2809 struct wpa_driver_nl80211_data *drv, *tmp;
d6c9aab8 2810 int ifidx = -1;
a5e1eb20 2811 struct i802_bss *bss;
54d4ba42 2812 u64 wdev_id = 0;
d3aaef80 2813 int wdev_id_set = 0;
d6c9aab8
JB		 2814
2815 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2816 genlmsg_attrlen(gnlh, 0), NULL);
2817
2818 if (tb[NL80211_ATTR_IFINDEX])
2819 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
d3aaef80
DS		 2820 else if (tb[NL80211_ATTR_WDEV]) {
2821 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2822 wdev_id_set = 1;
2823 }
d6c9aab8 2824
24b5bd8b
JB		 2825 dl_list_for_each_safe(drv, tmp, &global->interfaces,
2826 struct wpa_driver_nl80211_data, list) {
a5e1eb20 2827 for (bss = &drv->first_bss; bss; bss = bss->next) {
d3aaef80
DS		 2828 if ((ifidx == -1 && !wdev_id_set) ||
2829 ifidx == bss->ifindex ||
2830 (wdev_id_set && bss->wdev_id_set &&
2831 wdev_id == bss->wdev_id)) {
a5e1eb20
SE		 2832 do_process_drv_event(bss, gnlh->cmd, tb);
2833 return NL_SKIP;
2834 }
2835 }
d6c9aab8 2836 }
97865538
JM		 2837
2838 return NL_SKIP;
2839}
2840
2841
cc7a48d1
JB		 2842static int process_bss_event(struct nl_msg *msg, void *arg)
2843{
a11241fa 2844 struct i802_bss *bss = arg;
cc7a48d1
JB		 2845 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2846 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2847
2848 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2849 genlmsg_attrlen(gnlh, 0), NULL);
2850
2090a0b4
DS		 2851 wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
2852 gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
2853 bss->ifname);
2854
cc7a48d1 2855 switch (gnlh->cmd) {
a11241fa
JB		 2856 case NL80211_CMD_FRAME:
2857 case NL80211_CMD_FRAME_TX_STATUS:
97279d8d 2858 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
a11241fa
JB		 2859 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2860 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2861 tb[NL80211_ATTR_COOKIE],
2862 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
a11241fa 2863 break;
02bb32c3 2864 case NL80211_CMD_UNEXPECTED_FRAME:
3088e4e5
JB		 2865 nl80211_spurious_frame(bss, tb, 0);
2866 break;
2867 case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
2868 nl80211_spurious_frame(bss, tb, 1);
02bb32c3 2869 break;
cc7a48d1
JB		 2870 default:
2871 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
2872 "(cmd=%d)", gnlh->cmd);
2873 break;
2874 }
2875
2876 return NL_SKIP;
2877}
2878
2879
97865538 2880static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 2881 void *handle)
97865538 2882{
a4ae123c 2883 struct nl_cb *cb = eloop_ctx;
34068ac3 2884 int res;
97865538 2885
cc2ada86 2886 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 2887
34068ac3
JM		 2888 res = nl_recvmsgs(handle, cb);
2889 if (res) {
2890 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
2891 __func__, res);
2892 }
97865538
JM		 2893}
2894
2895
6d158490
LR		 2896/**
2897 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
2898 * @priv: driver_nl80211 private data
2899 * @alpha2_arg: country to which to switch to
2900 * Returns: 0 on success, -1 on failure
2901 *
2902 * This asks nl80211 to set the regulatory domain for given
2903 * country ISO / IEC alpha2.
2904 */
2905static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
2906{
a2e40bb6
FF		 2907 struct i802_bss *bss = priv;
2908 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 2909 char alpha2[3];
2910 struct nl_msg *msg;
2911
2912 msg = nlmsg_alloc();
2913 if (!msg)
e785c2ba 2914 return -ENOMEM;
6d158490
LR		 2915
2916 alpha2[0] = alpha2_arg[0];
2917 alpha2[1] = alpha2_arg[1];
2918 alpha2[2] = '\0';
2919
9fb04070 2920 nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG);
6d158490
LR		 2921
2922 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2);
2923 if (send_and_recv_msgs(drv, msg, NULL, NULL))
2924 return -EINVAL;
2925 return 0;
2926nla_put_failure:
5883168a 2927 nlmsg_free(msg);
6d158490
LR		 2928 return -EINVAL;
2929}
2930
2931
43245552
DJ		 2932static int protocol_feature_handler(struct nl_msg *msg, void *arg)
2933{
2934 u32 *feat = arg;
2935 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2936 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2937
2938 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2939 genlmsg_attrlen(gnlh, 0), NULL);
2940
2941 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
2942 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
2943
2944 return NL_SKIP;
2945}
2946
2947
2948static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
2949{
2950 u32 feat = 0;
2951 struct nl_msg *msg;
2952
2953 msg = nlmsg_alloc();
2954 if (!msg)
2955 goto nla_put_failure;
2956
2957 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES);
2958 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
2959 return feat;
2960
2961 msg = NULL;
2962nla_put_failure:
2963 nlmsg_free(msg);
2964 return 0;
2965}
2966
2967
80bc75f1 2968struct wiphy_info_data {
8cd6b7bc 2969 struct wpa_driver_nl80211_data *drv;
e8b5e24e
JB		 2970 struct wpa_driver_capa *capa;
2971
4752147d
IP		 2972 unsigned int num_multichan_concurrent;
2973
e8b5e24e 2974 unsigned int error:1;
61cbe2ff 2975 unsigned int device_ap_sme:1;
39718852 2976 unsigned int poll_command_supported:1;
32ab4855 2977 unsigned int data_tx_status:1;
536062f2 2978 unsigned int monitor_supported:1;
43245552
DJ		 2979 unsigned int auth_supported:1;
2980 unsigned int connect_supported:1;
2981 unsigned int p2p_go_supported:1;
2982 unsigned int p2p_client_supported:1;
2983 unsigned int p2p_concurrent:1;
80bc75f1
JM		 2984};
2985
2986
562c9d97
AN		 2987static unsigned int probe_resp_offload_support(int supp_protocols)
2988{
2989 unsigned int prot = 0;
2990
2991 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
2992 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
2993 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
2994 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
2995 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
2996 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
2997 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
2998 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
2999
3000 return prot;
3001}
3002
3003
5f439107
JM		 3004static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
3005 struct nlattr *tb)
80bc75f1 3006{
5f439107
JM		 3007 struct nlattr *nl_mode;
3008 int i;
3009
3010 if (tb == NULL)
3011 return;
3012
3013 nla_for_each_nested(nl_mode, tb, i) {
3014 switch (nla_type(nl_mode)) {
3015 case NL80211_IFTYPE_AP:
3016 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
3017 break;
65d52fc1
BR		 3018 case NL80211_IFTYPE_ADHOC:
3019 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
3020 break;
7aad838c
NS		 3021 case NL80211_IFTYPE_P2P_DEVICE:
3022 info->capa->flags |=
3023 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
3024 break;
5f439107
JM		 3025 case NL80211_IFTYPE_P2P_GO:
3026 info->p2p_go_supported = 1;
3027 break;
3028 case NL80211_IFTYPE_P2P_CLIENT:
3029 info->p2p_client_supported = 1;
3030 break;
3031 case NL80211_IFTYPE_MONITOR:
3032 info->monitor_supported = 1;
3033 break;
3034 }
3035 }
3036}
3037
3038
3039static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
3040 struct nlattr *nl_combi)
3041{
3042 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
3043 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
3044 struct nlattr *nl_limit, *nl_mode;
3045 int err, rem_limit, rem_mode;
3046 int combination_has_p2p = 0, combination_has_mgd = 0;
7626850d
JB		 3047 static struct nla_policy
3048 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
3049 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
3050 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
3051 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
3052 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
f295d0c8 3053 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
7626850d
JB		 3054 },
3055 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
3056 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
3057 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
3058 };
80bc75f1 3059
5f439107
JM		 3060 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
3061 nl_combi, iface_combination_policy);
3062 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
3063 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
3064 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
3065 return 0; /* broken combination */
3066
f295d0c8
SW		 3067 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
3068 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
3069
5f439107
JM		 3070 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
3071 rem_limit) {
3072 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
3073 nl_limit, iface_limit_policy);
3074 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
3075 return 0; /* broken combination */
3076
3077 nla_for_each_nested(nl_mode,
3078 tb_limit[NL80211_IFACE_LIMIT_TYPES],
3079 rem_mode) {
3080 int ift = nla_type(nl_mode);
3081 if (ift == NL80211_IFTYPE_P2P_GO ||
3082 ift == NL80211_IFTYPE_P2P_CLIENT)
3083 combination_has_p2p = 1;
3084 if (ift == NL80211_IFTYPE_STATION)
3085 combination_has_mgd = 1;
3086 }
3087 if (combination_has_p2p && combination_has_mgd)
3088 break;
3089 }
3090
3091 if (combination_has_p2p && combination_has_mgd) {
3092 info->p2p_concurrent = 1;
4752147d
IP		 3093 info->num_multichan_concurrent =
3094 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
5f439107
JM		 3095 return 1;
3096 }
3097
3098 return 0;
3099}
3100
3101
3102static void wiphy_info_iface_comb(struct wiphy_info_data *info,
3103 struct nlattr *tb)
3104{
3105 struct nlattr *nl_combi;
3106 int rem_combi;
3107
3108 if (tb == NULL)
3109 return;
3110
3111 nla_for_each_nested(nl_combi, tb, rem_combi) {
3112 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
3113 break;
3114 }
3115}
3116
3117
3118static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
3119 struct nlattr *tb)
3120{
3121 struct nlattr *nl_cmd;
3122 int i;
3123
3124 if (tb == NULL)
3125 return;
3126
3127 nla_for_each_nested(nl_cmd, tb, i) {
3128 switch (nla_get_u32(nl_cmd)) {
3129 case NL80211_CMD_AUTHENTICATE:
3130 info->auth_supported = 1;
3131 break;
3132 case NL80211_CMD_CONNECT:
3133 info->connect_supported = 1;
3134 break;
3135 case NL80211_CMD_START_SCHED_SCAN:
3136 info->capa->sched_scan_supported = 1;
3137 break;
3138 case NL80211_CMD_PROBE_CLIENT:
3139 info->poll_command_supported = 1;
3140 break;
3141 }
3142 }
3143}
3144
3145
3146static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
3147 struct nlattr *tb)
3148{
5f439107
JM		 3149 if (tb)
3150 capa->max_remain_on_chan = nla_get_u32(tb);
3151}
3152
3153
3154static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
3155 struct nlattr *ext_setup)
3156{
3157 if (tdls == NULL)
3158 return;
3159
3160 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
3161 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
3162
3163 if (ext_setup) {
3164 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
3165 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
3166 }
3167}
3168
3169
3170static void wiphy_info_feature_flags(struct wiphy_info_data *info,
3171 struct nlattr *tb)
3172{
3173 u32 flags;
3174 struct wpa_driver_capa *capa = info->capa;
3175
3176 if (tb == NULL)
3177 return;
3178
3179 flags = nla_get_u32(tb);
3180
3181 if (flags & NL80211_FEATURE_SK_TX_STATUS)
3182 info->data_tx_status = 1;
3183
3184 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
3185 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
3186
3187 if (flags & NL80211_FEATURE_SAE)
3188 capa->flags |= WPA_DRIVER_FLAGS_SAE;
3189
3190 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
3191 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
3192}
3193
3194
3195static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
3196 struct nlattr *tb)
3197{
3198 u32 protocols;
3199
3200 if (tb == NULL)
3201 return;
3202
3203 protocols = nla_get_u32(tb);
3204 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
3205 "mode");
3206 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
3207 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
3208}
3209
3210
3211static int wiphy_info_handler(struct nl_msg *msg, void *arg)
3212{
3213 struct nlattr *tb[NL80211_ATTR_MAX + 1];
3214 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3215 struct wiphy_info_data *info = arg;
3216 struct wpa_driver_capa *capa = info->capa;
8cd6b7bc 3217 struct wpa_driver_nl80211_data *drv = info->drv;
5f439107 3218
80bc75f1
JM		 3219 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3220 genlmsg_attrlen(gnlh, 0), NULL);
3221
5fbcb45d 3222 if (tb[NL80211_ATTR_WIPHY_NAME])
24f051eb 3223 os_strlcpy(drv->phyname,
5fbcb45d
AS		 3224 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
3225 sizeof(drv->phyname));
80bc75f1 3226 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
e8b5e24e 3227 capa->max_scan_ssids =
80bc75f1
JM		 3228 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
3229
d21c63b9 3230 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
e8b5e24e 3231 capa->max_sched_scan_ssids =
d21c63b9
LC		 3232 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
3233
bd525934 3234 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
e8b5e24e 3235 capa->max_match_sets =
bd525934
LC		 3236 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
3237
3c4ca363
VN		 3238 if (tb[NL80211_ATTR_MAC_ACL_MAX])
3239 capa->max_acl_mac_addrs =
3240 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
3241
5f439107
JM		 3242 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
3243 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
3244 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
93d11400 3245
e8b5e24e
JB		 3246 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
3247 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
3248 "off-channel TX");
3249 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
3250 }
3251
3252 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
3253 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
3254 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
3255 }
5dfca53f 3256
5f439107
JM		 3257 wiphy_info_max_roc(capa,
3258 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
004ba773 3259
70619a5d
EP		 3260 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
3261 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
3262
5f439107
JM		 3263 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
3264 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
03ea1786 3265
61cbe2ff
JB		 3266 if (tb[NL80211_ATTR_DEVICE_AP_SME])
3267 info->device_ap_sme = 1;
3268
5f439107
JM		 3269 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
3270 wiphy_info_probe_resp_offload(capa,
3271 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
562c9d97 3272
8cd6b7bc
JB		 3273 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
3274 drv->extended_capa == NULL) {
3275 drv->extended_capa =
3276 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3277 if (drv->extended_capa) {
3278 os_memcpy(drv->extended_capa,
3279 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3280 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3281 drv->extended_capa_len =
3282 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
3283 }
3284 drv->extended_capa_mask =
3285 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3286 if (drv->extended_capa_mask) {
3287 os_memcpy(drv->extended_capa_mask,
3288 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3289 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3290 } else {
3291 os_free(drv->extended_capa);
3292 drv->extended_capa = NULL;
3293 drv->extended_capa_len = 0;
3294 }
3295 }
3296
80bc75f1
JM		 3297 return NL_SKIP;
3298}
3299
3300
3301static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
3302 struct wiphy_info_data *info)
3303{
43245552 3304 u32 feat;
80bc75f1
JM		 3305 struct nl_msg *msg;
3306
3307 os_memset(info, 0, sizeof(*info));
e8b5e24e 3308 info->capa = &drv->capa;
8cd6b7bc 3309 info->drv = drv;
89e07afb 3310
80bc75f1
JM		 3311 msg = nlmsg_alloc();
3312 if (!msg)
3313 return -1;
3314
43245552
DJ		 3315 feat = get_nl80211_protocol_features(drv);
3316 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
3317 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
3318 else
3319 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
80bc75f1 3320
43245552 3321 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
f632e483
AS		 3322 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
3323 goto nla_put_failure;
80bc75f1 3324
43245552
DJ		 3325 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
3326 return -1;
3327
3328 if (info->auth_supported)
3329 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
3330 else if (!info->connect_supported) {
3331 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
3332 "authentication/association or connect commands");
3333 info->error = 1;
3334 }
3335
3336 if (info->p2p_go_supported && info->p2p_client_supported)
3337 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
3338 if (info->p2p_concurrent) {
3339 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
3340 "interface (driver advertised support)");
3341 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
3342 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
3343 }
4752147d 3344 if (info->num_multichan_concurrent > 1) {
43245552
DJ		 3345 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
3346 "concurrent (driver advertised support)");
4752147d
IP		 3347 drv->capa.num_multichan_concurrent =
3348 info->num_multichan_concurrent;
43245552 3349 }
b691dcb1
IP		 3350
3351 /* default to 5000 since early versions of mac80211 don't set it */
3352 if (!drv->capa.max_remain_on_chan)
3353 drv->capa.max_remain_on_chan = 5000;
3354
43245552 3355 return 0;
80bc75f1
JM		 3356nla_put_failure:
3357 nlmsg_free(msg);
3358 return -1;
3359}
3360
3361
93d11400 3362static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
80bc75f1
JM		 3363{
3364 struct wiphy_info_data info;
3365 if (wpa_driver_nl80211_get_info(drv, &info))
93d11400 3366 return -1;
e8b5e24e
JB		 3367
3368 if (info.error)
3369 return -1;
3370
80bc75f1 3371 drv->has_capability = 1;
1b2a72e8
JM		 3372 /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
3373 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3374 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3375 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3376 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
3377 drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
3378 WPA_DRIVER_CAPA_ENC_WEP104 |
3379 WPA_DRIVER_CAPA_ENC_TKIP |
3380 WPA_DRIVER_CAPA_ENC_CCMP;
291b6068
JM		 3381 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
3382 WPA_DRIVER_AUTH_SHARED |
3383 WPA_DRIVER_AUTH_LEAP;
1b2a72e8 3384
871f4dd0 3385 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
0194fedb 3386 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
2fee890a 3387 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
e1bd4e19 3388
e5091674 3389 if (!info.device_ap_sme) {
e1bd4e19 3390 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
0194fedb 3391
e5091674
JM		 3392 /*
3393 * No AP SME is currently assumed to also indicate no AP MLME
3394 * in the driver/firmware.
3395 */
3396 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
3397 }
3398
61cbe2ff 3399 drv->device_ap_sme = info.device_ap_sme;
39718852 3400 drv->poll_command_supported = info.poll_command_supported;
32ab4855 3401 drv->data_tx_status = info.data_tx_status;
61cbe2ff 3402
a11241fa 3403 /*
73a3c6ff
FF		 3404 * If poll command and tx status are supported, mac80211 is new enough
3405 * to have everything we need to not need monitor interfaces.
a11241fa 3406 */
73a3c6ff 3407 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
a11241fa 3408
536062f2
JM		 3409 if (drv->device_ap_sme && drv->use_monitor) {
3410 /*
3411 * Non-mac80211 drivers may not support monitor interface.
3412 * Make sure we do not get stuck with incorrect capability here
3413 * by explicitly testing this.
3414 */
3415 if (!info.monitor_supported) {
3416 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
3417 "with device_ap_sme since no monitor mode "
3418 "support detected");
3419 drv->use_monitor = 0;
3420 }
3421 }
3422
a11241fa
JB		 3423 /*
3424 * If we aren't going to use monitor interfaces, but the
3425 * driver doesn't support data TX status, we won't get TX
3426 * status for EAPOL frames.
3427 */
3428 if (!drv->use_monitor && !info.data_tx_status)
3429 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
3430
93d11400 3431 return 0;
80bc75f1
JM		 3432}
3433
3434
b088cf82
JM		 3435#ifdef ANDROID
3436static int android_genl_ctrl_resolve(struct nl_handle *handle,
3437 const char *name)
3438{
3439 /*
3440 * Android ICS has very minimal genl_ctrl_resolve() implementation, so
3441 * need to work around that.
3442 */
3443 struct nl_cache *cache = NULL;
3444 struct genl_family *nl80211 = NULL;
3445 int id = -1;
3446
3447 if (genl_ctrl_alloc_cache(handle, &cache) < 0) {
3448 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
3449 "netlink cache");
3450 goto fail;
3451 }
3452
3453 nl80211 = genl_ctrl_search_by_name(cache, name);
3454 if (nl80211 == NULL)
3455 goto fail;
3456
3457 id = genl_family_get_id(nl80211);
3458
3459fail:
3460 if (nl80211)
3461 genl_family_put(nl80211);
3462 if (cache)
3463 nl_cache_free(cache);
3464
3465 return id;
3466}
3467#define genl_ctrl_resolve android_genl_ctrl_resolve
3468#endif /* ANDROID */
3469
3470
2a7b66f5
BG		 3471static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
3472{
d6c9aab8
JB		 3473 int ret;
3474
2a7b66f5
BG		 3475 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3476 if (global->nl_cb == NULL) {
3477 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
3478 "callbacks");
3479 return -1;
3480 }
3481
481234cf
JM		 3482 global->nl = nl_create_handle(global->nl_cb, "nl");
3483 if (global->nl == NULL)
d6c9aab8 3484 goto err;
276e2d67 3485
481234cf 3486 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 3487 if (global->nl80211_id < 0) {
276e2d67
BG		 3488 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
3489 "found");
d6c9aab8 3490 goto err;
276e2d67
BG		 3491 }
3492
481234cf
JM		 3493 global->nl_event = nl_create_handle(global->nl_cb, "event");
3494 if (global->nl_event == NULL)
d6c9aab8 3495 goto err;
9fff9fdc 3496
d6c9aab8 3497 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 3498 if (ret >= 0)
481234cf 3499 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 3500 if (ret < 0) {
3501 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
3502 "membership for scan events: %d (%s)",
3503 ret, strerror(-ret));
d6c9aab8 3504 goto err;
97865538 3505 }
c2a04078 3506
d6c9aab8 3507 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 3508 if (ret >= 0)
481234cf 3509 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 3510 if (ret < 0) {
3511 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
3512 "membership for mlme events: %d (%s)",
3513 ret, strerror(-ret));
d6c9aab8 3514 goto err;
c2a04078 3515 }
c2a04078 3516
d6c9aab8 3517 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 3518 if (ret >= 0)
481234cf 3519 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 3520 if (ret < 0) {
3521 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
3522 "membership for regulatory events: %d (%s)",
3523 ret, strerror(-ret));
3524 /* Continue without regulatory events */
3525 }
3526
d6c9aab8
JB		 3527 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3528 no_seq_check, NULL);
3529 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3530 process_global_event, global);
3531
5f65e9f7
JB		 3532 nl80211_register_eloop_read(&global->nl_event,
3533 wpa_driver_nl80211_event_receive,
3534 global->nl_cb);
d6c9aab8
JB		 3535
3536 return 0;
3537
3538err:
3539 nl_destroy_handles(&global->nl_event);
3540 nl_destroy_handles(&global->nl);
3541 nl_cb_put(global->nl_cb);
671a5039 3542 global->nl_cb = NULL;
d6c9aab8
JB		 3543 return -1;
3544}
3545
3546
3547static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
3548{
1afc986d
JB		 3549 drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3550 if (!drv->nl_cb) {
3551 wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct");
d6c9aab8 3552 return -1;
1afc986d
JB		 3553 }
3554
3555 nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3556 no_seq_check, NULL);
f06aedd9
JB		 3557 nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3558 process_drv_event, drv);
1afc986d 3559
9fff9fdc 3560 return 0;
9fff9fdc
JM		 3561}
3562
3563
8401a6b0
JM		 3564static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
3565{
8401a6b0 3566 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
a63063b4
JM		 3567 /*
3568 * This may be for any interface; use ifdown event to disable
3569 * interface.
3570 */
8401a6b0
JM		 3571}
3572
3573
3574static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
3575{
3576 struct wpa_driver_nl80211_data *drv = ctx;
3577 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
bf83eab5 3578 if (i802_set_iface_flags(&drv->first_bss, 1)) {
8401a6b0
JM		 3579 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
3580 "after rfkill unblock");
3581 return;
3582 }
a63063b4 3583 /* rtnetlink ifup handler will report interface as enabled */
8401a6b0
JM		 3584}
3585
3586
32ab4855
JB		 3587static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
3588 void *eloop_ctx,
3589 void *handle)
3590{
3591 struct wpa_driver_nl80211_data *drv = eloop_ctx;
3592 u8 data[2048];
3593 struct msghdr msg;
3594 struct iovec entry;
cad0f50e 3595 u8 control[512];
32ab4855
JB		 3596 struct cmsghdr *cmsg;
3597 int res, found_ee = 0, found_wifi = 0, acked = 0;
3598 union wpa_event_data event;
3599
3600 memset(&msg, 0, sizeof(msg));
3601 msg.msg_iov = &entry;
3602 msg.msg_iovlen = 1;
3603 entry.iov_base = data;
3604 entry.iov_len = sizeof(data);
3605 msg.msg_control = &control;
3606 msg.msg_controllen = sizeof(control);
3607
3608 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
3609 /* if error or not fitting 802.3 header, return */
3610 if (res < 14)
3611 return;
3612
3613 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
3614 {
3615 if (cmsg->cmsg_level == SOL_SOCKET &&
3616 cmsg->cmsg_type == SCM_WIFI_STATUS) {
3617 int *ack;
3618
3619 found_wifi = 1;
3620 ack = (void *)CMSG_DATA(cmsg);
3621 acked = *ack;
3622 }
3623
3624 if (cmsg->cmsg_level == SOL_PACKET &&
3625 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
3626 struct sock_extended_err *err =
3627 (struct sock_extended_err *)CMSG_DATA(cmsg);
3628
3629 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
3630 found_ee = 1;
3631 }
3632 }
3633
3634 if (!found_ee || !found_wifi)
3635 return;
3636
3637 memset(&event, 0, sizeof(event));
3638 event.eapol_tx_status.dst = data;
3639 event.eapol_tx_status.data = data + 14;
3640 event.eapol_tx_status.data_len = res - 14;
3641 event.eapol_tx_status.ack = acked;
3642 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
3643}
3644
3645
cc7a48d1
JB		 3646static int nl80211_init_bss(struct i802_bss *bss)
3647{
3648 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3649 if (!bss->nl_cb)
3650 return -1;
3651
3652 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3653 no_seq_check, NULL);
3654 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3655 process_bss_event, bss);
3656
3657 return 0;
3658}
3659
3660
3661static void nl80211_destroy_bss(struct i802_bss *bss)
3662{
3663 nl_cb_put(bss->nl_cb);
3664 bss->nl_cb = NULL;
3665}
3666
3667
9fff9fdc
JM		 3668/**
3669 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
3670 * @ctx: context to be used when calling wpa_supplicant functions,
3671 * e.g., wpa_supplicant_event()
3672 * @ifname: interface name, e.g., wlan0
f2ed8023 3673 * @global_priv: private driver global data from global_init()
9fff9fdc
JM		 3674 * Returns: Pointer to private data, %NULL on failure
3675 */
f2ed8023
JM		 3676static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
3677 void *global_priv)
9fff9fdc 3678{
9fff9fdc 3679 struct wpa_driver_nl80211_data *drv;
8401a6b0 3680 struct rfkill_config *rcfg;
a2e40bb6 3681 struct i802_bss *bss;
9fff9fdc 3682
a5c696ad
JM		 3683 if (global_priv == NULL)
3684 return NULL;
9fff9fdc
JM		 3685 drv = os_zalloc(sizeof(*drv));
3686 if (drv == NULL)
3687 return NULL;
f2ed8023 3688 drv->global = global_priv;
9fff9fdc 3689 drv->ctx = ctx;
a2e40bb6
FF		 3690 bss = &drv->first_bss;
3691 bss->drv = drv;
a5e1eb20
SE		 3692 bss->ctx = ctx;
3693
a2e40bb6 3694 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 3695 drv->monitor_ifidx = -1;
3696 drv->monitor_sock = -1;
d12dab4c 3697 drv->eapol_tx_sock = -1;
b1f625e0 3698 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 3699
ba2d0d7d 3700 if (wpa_driver_nl80211_init_nl(drv)) {
bbaf0837
JM		 3701 os_free(drv);
3702 return NULL;
3703 }
9fff9fdc 3704
cc7a48d1
JB		 3705 if (nl80211_init_bss(bss))
3706 goto failed;
3707
8401a6b0
JM		 3708 rcfg = os_zalloc(sizeof(*rcfg));
3709 if (rcfg == NULL)
3710 goto failed;
3711 rcfg->ctx = drv;
3712 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
3713 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
3714 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
3715 drv->rfkill = rfkill_init(rcfg);
52169389 3716 if (drv->rfkill == NULL) {
8401a6b0 3717 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
52169389
JM		 3718 os_free(rcfg);
3719 }
8401a6b0 3720
08063178 3721 if (wpa_driver_nl80211_finish_drv_init(drv))
bbaf0837 3722 goto failed;
7524cfb1 3723
d12dab4c 3724 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 3725 if (drv->eapol_tx_sock < 0)
3726 goto failed;
3727
3728 if (drv->data_tx_status) {
3729 int enabled = 1;
3730
3731 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
3732 &enabled, sizeof(enabled)) < 0) {
3733 wpa_printf(MSG_DEBUG,
3734 "nl80211: wifi status sockopt failed\n");
3735 drv->data_tx_status = 0;
a11241fa
JB		 3736 if (!drv->use_monitor)
3737 drv->capa.flags &=
3738 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 3739 } else {
3740 eloop_register_read_sock(drv->eapol_tx_sock,
3741 wpa_driver_nl80211_handle_eapol_tx_status,
3742 drv, NULL);
3743 }
3744 }
f10bfc9a 3745
dac12351 3746 if (drv->global) {
c4bb8817 3747 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 3748 drv->in_interface_list = 1;
3749 }
c4bb8817 3750
a2e40bb6 3751 return bss;
7524cfb1 3752
bbaf0837 3753failed:
dac12351 3754 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 3755 return NULL;
3756}
3757
3758
a11241fa 3759static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 3760 struct nl_handle *nl_handle,
bd94971e 3761 u16 type, const u8 *match, size_t match_len)
58f6fbe0 3762{
a11241fa 3763 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0
JM		 3764 struct nl_msg *msg;
3765 int ret = -1;
3766
3767 msg = nlmsg_alloc();
3768 if (!msg)
3769 return -1;
3770
36488c05
JM		 3771 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x nl_handle=%p",
3772 type, nl_handle);
3773 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
3774 match, match_len);
3775
9fb04070 3776 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION);
58f6fbe0 3777
f632e483 3778 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 3779 goto nla_put_failure;
3780
bd94971e 3781 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type);
58f6fbe0
JM		 3782 NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match);
3783
d6c9aab8 3784 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0
JM		 3785 msg = NULL;
3786 if (ret) {
5582a5d1
JB		 3787 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
3788 "failed (type=%u): ret=%d (%s)",
3789 type, ret, strerror(-ret));
3790 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0
JM		 3791 match, match_len);
3792 goto nla_put_failure;
3793 }
3794 ret = 0;
3795nla_put_failure:
3796 nlmsg_free(msg);
3797 return ret;
3798}
3799
3800
a11241fa
JB		 3801static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
3802{
3803 struct wpa_driver_nl80211_data *drv = bss->drv;
3804
481234cf 3805 if (bss->nl_mgmt) {
a11241fa 3806 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 3807 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 3808 return -1;
3809 }
3810
481234cf
JM		 3811 bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
3812 if (bss->nl_mgmt == NULL)
a11241fa
JB		 3813 return -1;
3814
a11241fa
JB		 3815 return 0;
3816}
3817
3818
5f65e9f7
JB		 3819static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
3820{
3821 nl80211_register_eloop_read(&bss->nl_mgmt,
3822 wpa_driver_nl80211_event_receive,
3823 bss->nl_cb);
3824}
3825
3826
a11241fa 3827static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 3828 const u8 *match, size_t match_len)
3829{
3830 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 3831 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 3832 type, match, match_len);
bd94971e
JB		 3833}
3834
3835
a11241fa 3836static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 3837{
a11241fa
JB		 3838 struct wpa_driver_nl80211_data *drv = bss->drv;
3839
3840 if (nl80211_alloc_mgmt_handle(bss))
3841 return -1;
36488c05
JM		 3842 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
3843 "handle %p", bss->nl_mgmt);
a11241fa 3844
e8d1168b
JB		 3845 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3846 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
3847
3848 /* register for any AUTH message */
3849 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
3850 }
3851
56f5af48
JM		 3852#ifdef CONFIG_INTERWORKING
3853 /* QoS Map Configure */
3854 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
3855 return -1;
3856#endif /* CONFIG_INTERWORKING */
4fe9fa0d 3857#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 3858 /* GAS Initial Request */
a11241fa 3859 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
046b26a2
JM		 3860 return -1;
3861 /* GAS Initial Response */
a11241fa 3862 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
046b26a2 3863 return -1;
18708aad 3864 /* GAS Comeback Request */
a11241fa 3865 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
18708aad
JM		 3866 return -1;
3867 /* GAS Comeback Response */
a11241fa 3868 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
18708aad 3869 return -1;
4fe9fa0d
JM		 3870#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
3871#ifdef CONFIG_P2P
046b26a2 3872 /* P2P Public Action */
a11241fa 3873 if (nl80211_register_action_frame(bss,
046b26a2
JM		 3874 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
3875 6) < 0)
3876 return -1;
3877 /* P2P Action */
a11241fa 3878 if (nl80211_register_action_frame(bss,
046b26a2
JM		 3879 (u8 *) "\x7f\x50\x6f\x9a\x09",
3880 5) < 0)
3881 return -1;
3882#endif /* CONFIG_P2P */
7d878ca7
JM		 3883#ifdef CONFIG_IEEE80211W
3884 /* SA Query Response */
a11241fa 3885 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
7d878ca7
JM		 3886 return -1;
3887#endif /* CONFIG_IEEE80211W */
35287637
AN		 3888#ifdef CONFIG_TDLS
3889 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
3890 /* TDLS Discovery Response */
aa543c0c 3891 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637
AN		 3892 0)
3893 return -1;
3894 }
3895#endif /* CONFIG_TDLS */
046b26a2 3896
7b90c16a 3897 /* FT Action frames */
a11241fa 3898 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
7b90c16a
JM		 3899 return -1;
3900 else
3901 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
3902 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
3903
71269b37 3904 /* WNM - BSS Transition Management Request */
a11241fa
JB		 3905 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
3906 return -1;
bd896433
JM		 3907 /* WNM-Sleep Mode Response */
3908 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
3909 return -1;
a11241fa 3910
5f65e9f7
JB		 3911 nl80211_mgmt_handle_register_eloop(bss);
3912
a11241fa
JB		 3913 return 0;
3914}
3915
3916
02bb32c3
JB		 3917static int nl80211_register_spurious_class3(struct i802_bss *bss)
3918{
3919 struct wpa_driver_nl80211_data *drv = bss->drv;
3920 struct nl_msg *msg;
3921 int ret = -1;
3922
3923 msg = nlmsg_alloc();
3924 if (!msg)
3925 return -1;
3926
3927 nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME);
3928
3929 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
3930
481234cf 3931 ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 3932 msg = NULL;
3933 if (ret) {
3934 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
3935 "failed: ret=%d (%s)",
3936 ret, strerror(-ret));
3937 goto nla_put_failure;
3938 }
3939 ret = 0;
3940nla_put_failure:
3941 nlmsg_free(msg);
3942 return ret;
3943}
3944
3945
a11241fa
JB		 3946static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
3947{
3948 static const int stypes[] = {
3949 WLAN_FC_STYPE_AUTH,
3950 WLAN_FC_STYPE_ASSOC_REQ,
3951 WLAN_FC_STYPE_REASSOC_REQ,
3952 WLAN_FC_STYPE_DISASSOC,
3953 WLAN_FC_STYPE_DEAUTH,
3954 WLAN_FC_STYPE_ACTION,
3955 WLAN_FC_STYPE_PROBE_REQ,
3956/* Beacon doesn't work as mac80211 doesn't currently allow
3957 * it, but it wouldn't really be the right thing anyway as
3958 * it isn't per interface ... maybe just dump the scan
3959 * results periodically for OLBC?
3960 */
3961// WLAN_FC_STYPE_BEACON,
3962 };
3963 unsigned int i;
3964
3965 if (nl80211_alloc_mgmt_handle(bss))
71269b37 3966 return -1;
36488c05
JM		 3967 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
3968 "handle %p", bss->nl_mgmt);
71269b37 3969
e7ecab4a 3970 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 3971 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 3972 (WLAN_FC_TYPE_MGMT << 2) |
3973 (stypes[i] << 4),
3974 NULL, 0) < 0) {
3975 goto out_err;
3976 }
3977 }
3978
02bb32c3
JB		 3979 if (nl80211_register_spurious_class3(bss))
3980 goto out_err;
3981
e32ad281
JB		 3982 if (nl80211_get_wiphy_data_ap(bss) == NULL)
3983 goto out_err;
3984
5f65e9f7 3985 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 3986 return 0;
a11241fa
JB		 3987
3988out_err:
a11241fa
JB		 3989 nl_destroy_handles(&bss->nl_mgmt);
3990 return -1;
3991}
3992
3993
a6cc0602
JM		 3994static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
3995{
3996 if (nl80211_alloc_mgmt_handle(bss))
3997 return -1;
3998 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
3999 "handle %p (device SME)", bss->nl_mgmt);
4000
4001 if (nl80211_register_frame(bss, bss->nl_mgmt,
4002 (WLAN_FC_TYPE_MGMT << 2) |
4003 (WLAN_FC_STYPE_ACTION << 4),
4004 NULL, 0) < 0)
4005 goto out_err;
4006
5f65e9f7 4007 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 4008 return 0;
4009
4010out_err:
a6cc0602
JM		 4011 nl_destroy_handles(&bss->nl_mgmt);
4012 return -1;
4013}
4014
4015
36488c05 4016static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 4017{
481234cf 4018 if (bss->nl_mgmt == NULL)
a11241fa 4019 return;
36488c05
JM		 4020 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
4021 "(%s)", bss->nl_mgmt, reason);
5f65e9f7 4022 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
e32ad281
JB		 4023
4024 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 4025}
4026
4027
8401a6b0
JM		 4028static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
4029{
4030 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
4031}
4032
4033
eb4582f2
AS		 4034static void nl80211_del_p2pdev(struct i802_bss *bss)
4035{
4036 struct wpa_driver_nl80211_data *drv = bss->drv;
4037 struct nl_msg *msg;
4038 int ret;
4039
4040 msg = nlmsg_alloc();
4041 if (!msg)
4042 return;
4043
4044 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
4045 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
4046
4047 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4048 msg = NULL;
4049
4050 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
4051 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 4052 strerror(-ret));
eb4582f2
AS		 4053
4054nla_put_failure:
4055 nlmsg_free(msg);
4056}
4057
4058
eb4582f2 4059static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483
AS		 4060{
4061 struct wpa_driver_nl80211_data *drv = bss->drv;
4062 struct nl_msg *msg;
4063 int ret = -1;
4064
f632e483
AS		 4065 msg = nlmsg_alloc();
4066 if (!msg)
4067 return -1;
4068
eb4582f2
AS		 4069 if (start)
4070 nl80211_cmd(drv, msg, 0, NL80211_CMD_START_P2P_DEVICE);
4071 else
4072 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_P2P_DEVICE);
4073
f632e483
AS		 4074 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
4075
4076 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4077 msg = NULL;
4078
eb4582f2
AS		 4079 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
4080 start ? "Start" : "Stop",
4081 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 4082 strerror(-ret));
eb4582f2 4083
f632e483
AS		 4084nla_put_failure:
4085 nlmsg_free(msg);
4086 return ret;
4087}
f632e483
AS		 4088
4089
91724d6f
AS		 4090static int i802_set_iface_flags(struct i802_bss *bss, int up)
4091{
4092 enum nl80211_iftype nlmode;
4093
4094 nlmode = nl80211_get_ifmode(bss);
4095 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
4096 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
4097 bss->ifname, up);
4098 }
4099
4100 /* P2P Device has start/stop which is equivalent */
4101 return nl80211_set_p2pdev(bss, up);
4102}
4103
4104
362f781e 4105static int
7524cfb1
JM		 4106wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
4107{
f632e483 4108#ifndef HOSTAPD
8e12685c 4109 enum nl80211_iftype nlmode = NL80211_IFTYPE_STATION;
f632e483 4110#endif /* HOSTAPD */
a2e40bb6 4111 struct i802_bss *bss = &drv->first_bss;
8401a6b0 4112 int send_rfkill_event = 0;
a2e40bb6
FF		 4113
4114 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 4115 bss->ifindex = drv->ifindex;
4116 bss->wdev_id = drv->global->if_add_wdevid;
4117 bss->wdev_id_set = drv->global->if_add_wdevid_set;
4118
60b13c20
IP		 4119 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
4120 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 4121 drv->global->if_add_wdevid_set = 0;
4122
4123 if (wpa_driver_nl80211_capa(drv))
4124 return -1;
a87c9d96 4125
5fbcb45d
AS		 4126 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
4127 bss->ifname, drv->phyname);
4128
bbaf0837 4129#ifndef HOSTAPD
60b13c20 4130 if (bss->if_dynamic)
8e12685c 4131 nlmode = nl80211_get_ifmode(bss);
f632e483 4132
ff6a158b
JM		 4133 /*
4134 * Make sure the interface starts up in station mode unless this is a
4135 * dynamically added interface (e.g., P2P) that was already configured
4136 * with proper iftype.
4137 */
8e12685c
AS		 4138 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
4139 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver to use managed mode");
4140 return -1;
a87c9d96 4141 }
8e12685c 4142 drv->nlmode = nlmode;
a87c9d96 4143
f632e483 4144 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
eb4582f2 4145 int ret = nl80211_set_p2pdev(bss, 1);
f632e483
AS		 4146 if (ret < 0)
4147 wpa_printf(MSG_ERROR, "nl80211: Could not start P2P device");
597b94f5 4148 nl80211_get_macaddr(bss);
f632e483
AS		 4149 return ret;
4150 }
4151
c81eff1a 4152 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) {
8401a6b0
JM		 4153 if (rfkill_is_blocked(drv->rfkill)) {
4154 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
4155 "interface '%s' due to rfkill",
4156 bss->ifname);
a63063b4 4157 drv->if_disabled = 1;
8401a6b0
JM		 4158 send_rfkill_event = 1;
4159 } else {
4160 wpa_printf(MSG_ERROR, "nl80211: Could not set "
4161 "interface '%s' UP", bss->ifname);
4162 return -1;
4163 }
362f781e 4164 }
3f5285e8 4165
36d84860 4166 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 4167 1, IF_OPER_DORMANT);
bbaf0837 4168#endif /* HOSTAPD */
362f781e 4169
c81eff1a 4170 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
341eebee 4171 bss->addr))
2136f480 4172 return -1;
f2ed8023 4173
8401a6b0
JM		 4174 if (send_rfkill_event) {
4175 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
4176 drv, drv->ctx);
4177 }
4178
362f781e 4179 return 0;
3f5285e8
JM		 4180}
4181
4182
8a27af5c
JM		 4183static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
4184{
4185 struct nl_msg *msg;
4186
4187 msg = nlmsg_alloc();
4188 if (!msg)
4189 return -ENOMEM;
4190
9fb04070 4191 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON);
8a27af5c
JM		 4192 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4193
4194 return send_and_recv_msgs(drv, msg, NULL, NULL);
4195 nla_put_failure:
5883168a 4196 nlmsg_free(msg);
8a27af5c
JM		 4197 return -ENOBUFS;
4198}
8a27af5c
JM		 4199
4200
3f5285e8 4201/**
7e5ba1b9 4202 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 4203 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 4204 *
4205 * Shut down driver interface and processing of driver events. Free
4206 * private data buffer if one was allocated in wpa_driver_nl80211_init().
4207 */
9ebce9c5 4208static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 4209{
a2e40bb6 4210 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 4211
873d0fcf 4212 bss->in_deinit = 1;
32ab4855
JB		 4213 if (drv->data_tx_status)
4214 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 4215 if (drv->eapol_tx_sock >= 0)
4216 close(drv->eapol_tx_sock);
f10bfc9a 4217
481234cf 4218 if (bss->nl_preq)
5582a5d1 4219 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 4220 if (bss->added_if_into_bridge) {
c81eff1a
BG		 4221 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
4222 bss->ifname) < 0)
94627f6c
JM		 4223 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4224 "interface %s from bridge %s: %s",
e17a2477 4225 bss->ifname, bss->brname, strerror(errno));
94627f6c 4226 }
e17a2477 4227 if (bss->added_bridge) {
c81eff1a 4228 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 4229 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4230 "bridge %s: %s",
e17a2477 4231 bss->brname, strerror(errno));
94627f6c
JM		 4232 }
4233
460456f8 4234 nl80211_remove_monitor_interface(drv);
8a27af5c 4235
b1f625e0 4236 if (is_ap_interface(drv->nlmode))
8a27af5c 4237 wpa_driver_nl80211_del_beacon(drv);
0915d02c 4238
bbaf0837
JM		 4239#ifdef HOSTAPD
4240 if (drv->last_freq_ht) {
4241 /* Clear HT flags from the driver */
4242 struct hostapd_freq_params freq;
4243 os_memset(&freq, 0, sizeof(freq));
4244 freq.freq = drv->last_freq;
9ebce9c5 4245 wpa_driver_nl80211_set_freq(bss, &freq);
bbaf0837
JM		 4246 }
4247
bbaf0837
JM		 4248 if (drv->eapol_sock >= 0) {
4249 eloop_unregister_read_sock(drv->eapol_sock);
4250 close(drv->eapol_sock);
4251 }
4252
4253 if (drv->if_indices != drv->default_if_indices)
4254 os_free(drv->if_indices);
1b648c7e 4255#endif /* HOSTAPD */
3f5285e8 4256
b3af99d2 4257 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 4258 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
4259
36d84860
BG		 4260 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
4261 IF_OPER_UP);
8401a6b0 4262 rfkill_deinit(drv->rfkill);
3f5285e8 4263
bbaf0837
JM		 4264 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
4265
91724d6f 4266 (void) i802_set_iface_flags(bss, 0);
8e12685c
AS		 4267 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
4268 wpa_driver_nl80211_set_mode(bss, NL80211_IFTYPE_STATION);
b378c41f 4269 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 4270 } else {
4271 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 4272 nl80211_del_p2pdev(bss);
8e12685c 4273 }
1afc986d 4274 nl_cb_put(drv->nl_cb);
3f5285e8 4275
cc7a48d1
JB		 4276 nl80211_destroy_bss(&drv->first_bss);
4277
3812464c
JM		 4278 os_free(drv->filter_ssids);
4279
536fd62d
JM		 4280 os_free(drv->auth_ie);
4281
dac12351 4282 if (drv->in_interface_list)
f2ed8023
JM		 4283 dl_list_del(&drv->list);
4284
8cd6b7bc
JB		 4285 os_free(drv->extended_capa);
4286 os_free(drv->extended_capa_mask);
3f5285e8
JM		 4287 os_free(drv);
4288}
4289
4290
4291/**
4292 * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion
ad1e68e6 4293 * @eloop_ctx: Driver private data
3f5285e8
JM		 4294 * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init()
4295 *
4296 * This function can be used as registered timeout when starting a scan to
4297 * generate a scan completed event if the driver does not report this.
4298 */
4299static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
4300{
ad1e68e6 4301 struct wpa_driver_nl80211_data *drv = eloop_ctx;
b1f625e0 4302 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) {
a2e40bb6 4303 wpa_driver_nl80211_set_mode(&drv->first_bss,
b1f625e0
EP		 4304 drv->ap_scan_as_station);
4305 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6 4306 }
3f5285e8
JM		 4307 wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
4308 wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
4309}
4310
4311
95ac3bf4
JM		 4312static struct nl_msg *
4313nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd,
d3aaef80 4314 struct wpa_driver_scan_params *params, u64 *wdev_id)
3f5285e8 4315{
95ac3bf4 4316 struct nl_msg *msg;
6a1063e0 4317 size_t i;
3f5285e8 4318
0e75527f 4319 msg = nlmsg_alloc();
f0494d0f 4320 if (!msg)
95ac3bf4 4321 return NULL;
3812464c 4322
95ac3bf4 4323 nl80211_cmd(drv, msg, 0, cmd);
0e75527f 4324
d3aaef80
DS		 4325 if (!wdev_id)
4326 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4327 else
4328 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, *wdev_id);
3f5285e8 4329
f0494d0f 4330 if (params->num_ssids) {
8970bae8
JB		 4331 struct nlattr *ssids;
4332
4333 ssids = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
f0494d0f 4334 if (ssids == NULL)
95ac3bf4 4335 goto fail;
f0494d0f
JM		 4336 for (i = 0; i < params->num_ssids; i++) {
4337 wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID",
4338 params->ssids[i].ssid,
4339 params->ssids[i].ssid_len);
8970bae8
JB		 4340 if (nla_put(msg, i + 1, params->ssids[i].ssid_len,
4341 params->ssids[i].ssid) < 0)
95ac3bf4 4342 goto fail;
f0494d0f 4343 }
8970bae8 4344 nla_nest_end(msg, ssids);
3f5285e8
JM		 4345 }
4346
d173df52 4347 if (params->extra_ies) {
3b1c7bfd
JM		 4348 wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs",
4349 params->extra_ies, params->extra_ies_len);
95ac3bf4
JM		 4350 if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len,
4351 params->extra_ies) < 0)
4352 goto fail;
d173df52
JM		 4353 }
4354
d3a98225 4355 if (params->freqs) {
8970bae8
JB		 4356 struct nlattr *freqs;
4357 freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
f0494d0f 4358 if (freqs == NULL)
95ac3bf4 4359 goto fail;
9fad706c
JM		 4360 for (i = 0; params->freqs[i]; i++) {
4361 wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u "
4362 "MHz", params->freqs[i]);
8970bae8 4363 if (nla_put_u32(msg, i + 1, params->freqs[i]) < 0)
95ac3bf4 4364 goto fail;
9fad706c 4365 }
8970bae8 4366 nla_nest_end(msg, freqs);
d3a98225
JM		 4367 }
4368
95ac3bf4
JM		 4369 os_free(drv->filter_ssids);
4370 drv->filter_ssids = params->filter_ssids;
4371 params->filter_ssids = NULL;
4372 drv->num_filter_ssids = params->num_filter_ssids;
4373
4374 return msg;
4375
4376fail:
d3aaef80 4377nla_put_failure:
95ac3bf4
JM		 4378 nlmsg_free(msg);
4379 return NULL;
4380}
4381
4382
4383/**
4384 * wpa_driver_nl80211_scan - Request the driver to initiate scan
9ebce9c5 4385 * @bss: Pointer to private driver data from wpa_driver_nl80211_init()
95ac3bf4
JM		 4386 * @params: Scan parameters
4387 * Returns: 0 on success, -1 on failure
4388 */
9ebce9c5 4389static int wpa_driver_nl80211_scan(struct i802_bss *bss,
95ac3bf4
JM		 4390 struct wpa_driver_scan_params *params)
4391{
95ac3bf4
JM		 4392 struct wpa_driver_nl80211_data *drv = bss->drv;
4393 int ret = -1, timeout;
8970bae8 4394 struct nl_msg *msg = NULL;
95ac3bf4 4395
565110cd 4396 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: scan request");
95ac3bf4
JM		 4397 drv->scan_for_auth = 0;
4398
d3aaef80
DS		 4399 msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params,
4400 bss->wdev_id_set ? &bss->wdev_id : NULL);
95ac3bf4
JM		 4401 if (!msg)
4402 return -1;
4403
47185fc7 4404 if (params->p2p_probe) {
8970bae8
JB		 4405 struct nlattr *rates;
4406
8a6a1e1b
JM		 4407 wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates");
4408
8970bae8 4409 rates = nla_nest_start(msg, NL80211_ATTR_SCAN_SUPP_RATES);
f0494d0f
JM		 4410 if (rates == NULL)
4411 goto nla_put_failure;
4412
47185fc7
RM		 4413 /*
4414 * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates
4415 * by masking out everything else apart from the OFDM rates 6,
4416 * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz
4417 * rates are left enabled.
4418 */
8970bae8 4419 NLA_PUT(msg, NL80211_BAND_2GHZ, 8,
47185fc7 4420 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
8970bae8 4421 nla_nest_end(msg, rates);
970fa12e
RM		 4422
4423 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
47185fc7
RM		 4424 }
4425
0e75527f
JM		 4426 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4427 msg = NULL;
4428 if (ret) {
4429 wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
4430 "(%s)", ret, strerror(-ret));
ad1e68e6 4431#ifdef HOSTAPD
b1f625e0 4432 if (is_ap_interface(drv->nlmode)) {
ad1e68e6
JM		 4433 /*
4434 * mac80211 does not allow scan requests in AP mode, so
4435 * try to do this in station mode.
4436 */
b1f625e0
EP		 4437 if (wpa_driver_nl80211_set_mode(
4438 bss, NL80211_IFTYPE_STATION))
ad1e68e6
JM		 4439 goto nla_put_failure;
4440
085b29f1 4441 if (wpa_driver_nl80211_scan(bss, params)) {
b1f625e0 4442 wpa_driver_nl80211_set_mode(bss, drv->nlmode);
ad1e68e6
JM		 4443 goto nla_put_failure;
4444 }
4445
4446 /* Restore AP mode when processing scan results */
b1f625e0 4447 drv->ap_scan_as_station = drv->nlmode;
ad1e68e6
JM		 4448 ret = 0;
4449 } else
4450 goto nla_put_failure;
4451#else /* HOSTAPD */
0e75527f 4452 goto nla_put_failure;
ad1e68e6 4453#endif /* HOSTAPD */
3f5285e8
JM		 4454 }
4455
a771c07d 4456 drv->scan_state = SCAN_REQUESTED;
3f5285e8
JM		 4457 /* Not all drivers generate "scan completed" wireless event, so try to
4458 * read results after a timeout. */
0e75527f 4459 timeout = 10;
3f5285e8
JM		 4460 if (drv->scan_complete_events) {
4461 /*
d173df52
JM		 4462 * The driver seems to deliver events to notify when scan is
4463 * complete, so use longer timeout to avoid race conditions
4464 * with scanning and following association request.
3f5285e8
JM		 4465 */
4466 timeout = 30;
4467 }
4468 wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d "
4469 "seconds", ret, timeout);
4470 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
0e75527f
JM		 4471 eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout,
4472 drv, drv->ctx);
3f5285e8 4473
0e75527f 4474nla_put_failure:
0e75527f 4475 nlmsg_free(msg);
3f5285e8
JM		 4476 return ret;
4477}
4478
4479
d21c63b9
LC		 4480/**
4481 * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan
4482 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
4483 * @params: Scan parameters
4484 * @interval: Interval between scan cycles in milliseconds
4485 * Returns: 0 on success, -1 on failure or if not supported
4486 */
4487static int wpa_driver_nl80211_sched_scan(void *priv,
4488 struct wpa_driver_scan_params *params,
4489 u32 interval)
4490{
4491 struct i802_bss *bss = priv;
4492 struct wpa_driver_nl80211_data *drv = bss->drv;
6afbc3d6 4493 int ret = -1;
95ac3bf4 4494 struct nl_msg *msg;
d21c63b9
LC		 4495 size_t i;
4496
565110cd
JM		 4497 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: sched_scan request");
4498
216eede8
DS		 4499#ifdef ANDROID
4500 if (!drv->capa.sched_scan_supported)
4501 return android_pno_start(bss, params);
4502#endif /* ANDROID */
4503
d3aaef80
DS		 4504 msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params,
4505 bss->wdev_id_set ? &bss->wdev_id : NULL);
6afbc3d6
JM		 4506 if (!msg)
4507 goto nla_put_failure;
d21c63b9 4508
d21c63b9
LC		 4509 NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval);
4510
bf8d6d24
TP		 4511 if ((drv->num_filter_ssids &&
4512 (int) drv->num_filter_ssids <= drv->capa.max_match_sets) ||
4513 params->filter_rssi) {
8970bae8
JB		 4514 struct nlattr *match_sets;
4515 match_sets = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH);
6afbc3d6
JM		 4516 if (match_sets == NULL)
4517 goto nla_put_failure;
bd525934
LC		 4518
4519 for (i = 0; i < drv->num_filter_ssids; i++) {
8970bae8 4520 struct nlattr *match_set_ssid;
bd525934
LC		 4521 wpa_hexdump_ascii(MSG_MSGDUMP,
4522 "nl80211: Sched scan filter SSID",
4523 drv->filter_ssids[i].ssid,
4524 drv->filter_ssids[i].ssid_len);
4525
8970bae8 4526 match_set_ssid = nla_nest_start(msg, i + 1);
6afbc3d6
JM		 4527 if (match_set_ssid == NULL)
4528 goto nla_put_failure;
8970bae8 4529 NLA_PUT(msg, NL80211_ATTR_SCHED_SCAN_MATCH_SSID,
bd525934
LC		 4530 drv->filter_ssids[i].ssid_len,
4531 drv->filter_ssids[i].ssid);
4532
adc96dc2 4533 nla_nest_end(msg, match_set_ssid);
bd525934
LC		 4534 }
4535
bf8d6d24 4536 if (params->filter_rssi) {
8970bae8
JB		 4537 struct nlattr *match_set_rssi;
4538 match_set_rssi = nla_nest_start(msg, 0);
6afbc3d6
JM		 4539 if (match_set_rssi == NULL)
4540 goto nla_put_failure;
8970bae8 4541 NLA_PUT_U32(msg, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
bf8d6d24
TP		 4542 params->filter_rssi);
4543 wpa_printf(MSG_MSGDUMP,
4544 "nl80211: Sched scan RSSI filter %d dBm",
4545 params->filter_rssi);
8970bae8 4546 nla_nest_end(msg, match_set_rssi);
bf8d6d24
TP		 4547 }
4548
8970bae8 4549 nla_nest_end(msg, match_sets);
bd525934
LC		 4550 }
4551
d21c63b9
LC		 4552 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4553
4554 /* TODO: if we get an error here, we should fall back to normal scan */
4555
4556 msg = NULL;
4557 if (ret) {
4558 wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: "
4559 "ret=%d (%s)", ret, strerror(-ret));
4560 goto nla_put_failure;
4561 }
4562
4563 wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - "
4564 "scan interval %d msec", ret, interval);
4565
4566nla_put_failure:
d21c63b9 4567 nlmsg_free(msg);
d21c63b9
LC		 4568 return ret;
4569}
4570
4571
4572/**
4573 * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan
4574 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
4575 * Returns: 0 on success, -1 on failure or if not supported
4576 */
4577static int wpa_driver_nl80211_stop_sched_scan(void *priv)
4578{
4579 struct i802_bss *bss = priv;
4580 struct wpa_driver_nl80211_data *drv = bss->drv;
4581 int ret = 0;
4582 struct nl_msg *msg;
4583
216eede8
DS		 4584#ifdef ANDROID
4585 if (!drv->capa.sched_scan_supported)
4586 return android_pno_stop(bss);
4587#endif /* ANDROID */
4588
d21c63b9
LC		 4589 msg = nlmsg_alloc();
4590 if (!msg)
4591 return -1;
4592
9fb04070 4593 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN);
d21c63b9
LC		 4594
4595 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4596
4597 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4598 msg = NULL;
4599 if (ret) {
4600 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: "
4601 "ret=%d (%s)", ret, strerror(-ret));
4602 goto nla_put_failure;
4603 }
4604
4605 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret);
4606
4607nla_put_failure:
4608 nlmsg_free(msg);
4609 return ret;
4610}
4611
4612
3812464c
JM		 4613static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie)
4614{
4615 const u8 *end, *pos;
4616
4617 if (ies == NULL)
4618 return NULL;
4619
4620 pos = ies;
4621 end = ies + ies_len;
4622
4623 while (pos + 1 < end) {
4624 if (pos + 2 + pos[1] > end)
4625 break;
4626 if (pos[0] == ie)
4627 return pos;
4628 pos += 2 + pos[1];
4629 }
4630
4631 return NULL;
4632}
4633
4634
4635static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv,
4636 const u8 *ie, size_t ie_len)
4637{
4638 const u8 *ssid;
4639 size_t i;
4640
4641 if (drv->filter_ssids == NULL)
4642 return 0;
4643
4644 ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID);
4645 if (ssid == NULL)
4646 return 1;
4647
4648 for (i = 0; i < drv->num_filter_ssids; i++) {
4649 if (ssid[1] == drv->filter_ssids[i].ssid_len &&
4650 os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) ==
4651 0)
4652 return 0;
4653 }
4654
4655 return 1;
4656}
4657
4658
b3db1e1c 4659static int bss_info_handler(struct nl_msg *msg, void *arg)
3f5285e8 4660{
b3db1e1c
JM		 4661 struct nlattr *tb[NL80211_ATTR_MAX + 1];
4662 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
4663 struct nlattr *bss[NL80211_BSS_MAX + 1];
4664 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
4665 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
4666 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
4667 [NL80211_BSS_TSF] = { .type = NLA_U64 },
4668 [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 },
4669 [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 },
4670 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
4671 [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
4672 [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
e6b8efeb 4673 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
b3ad11bb 4674 [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
8c090654 4675 [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC },
b3db1e1c 4676 };
3812464c
JM		 4677 struct nl80211_bss_info_arg *_arg = arg;
4678 struct wpa_scan_results *res = _arg->res;
3f5285e8
JM		 4679 struct wpa_scan_res **tmp;
4680 struct wpa_scan_res *r;
8c090654
JM		 4681 const u8 *ie, *beacon_ie;
4682 size_t ie_len, beacon_ie_len;
4683 u8 *pos;
46957a9b 4684 size_t i;
3f5285e8 4685
b3db1e1c
JM		 4686 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
4687 genlmsg_attrlen(gnlh, 0), NULL);
4688 if (!tb[NL80211_ATTR_BSS])
4689 return NL_SKIP;
4690 if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
4691 bss_policy))
4692 return NL_SKIP;
f5a8d422
JM		 4693 if (bss[NL80211_BSS_STATUS]) {
4694 enum nl80211_bss_status status;
4695 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
4696 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
4697 bss[NL80211_BSS_FREQUENCY]) {
4698 _arg->assoc_freq =
4699 nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
4700 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
4701 _arg->assoc_freq);
4702 }
20f5a4c2
JM		 4703 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
4704 bss[NL80211_BSS_BSSID]) {
4705 os_memcpy(_arg->assoc_bssid,
4706 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
4707 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
4708 MACSTR, MAC2STR(_arg->assoc_bssid));
4709 }
f5a8d422
JM		 4710 }
4711 if (!res)
4712 return NL_SKIP;
b3db1e1c
JM		 4713 if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
4714 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
4715 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
4716 } else {
4717 ie = NULL;
4718 ie_len = 0;
4719 }
8c090654
JM		 4720 if (bss[NL80211_BSS_BEACON_IES]) {
4721 beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]);
4722 beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]);
4723 } else {
4724 beacon_ie = NULL;
4725 beacon_ie_len = 0;
4726 }
3f5285e8 4727
3812464c
JM		 4728 if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie,
4729 ie ? ie_len : beacon_ie_len))
4730 return NL_SKIP;
4731
8c090654 4732 r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len);
3f5285e8 4733 if (r == NULL)
b3db1e1c
JM		 4734 return NL_SKIP;
4735 if (bss[NL80211_BSS_BSSID])
4736 os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]),
4737 ETH_ALEN);
4738 if (bss[NL80211_BSS_FREQUENCY])
4739 r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
4740 if (bss[NL80211_BSS_BEACON_INTERVAL])
4741 r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]);
4742 if (bss[NL80211_BSS_CAPABILITY])
4743 r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]);
7c2849d2
JM		 4744 r->flags |= WPA_SCAN_NOISE_INVALID;
4745 if (bss[NL80211_BSS_SIGNAL_MBM]) {
b3db1e1c 4746 r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]);
7c2849d2
JM		 4747 r->level /= 100; /* mBm to dBm */
4748 r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID;
4749 } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) {
4750 r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
98ac6763 4751 r->flags |= WPA_SCAN_QUAL_INVALID;
7c2849d2
JM		 4752 } else
4753 r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID;
b3db1e1c
JM		 4754 if (bss[NL80211_BSS_TSF])
4755 r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]);
b3ad11bb
JM		 4756 if (bss[NL80211_BSS_SEEN_MS_AGO])
4757 r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]);
b3db1e1c 4758 r->ie_len = ie_len;
8c090654
JM		 4759 pos = (u8 *) (r + 1);
4760 if (ie) {
4761 os_memcpy(pos, ie, ie_len);
4762 pos += ie_len;
4763 }
4764 r->beacon_ie_len = beacon_ie_len;
4765 if (beacon_ie)
4766 os_memcpy(pos, beacon_ie, beacon_ie_len);
3f5285e8 4767
e6b8efeb
JM		 4768 if (bss[NL80211_BSS_STATUS]) {
4769 enum nl80211_bss_status status;
4770 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
4771 switch (status) {
4772 case NL80211_BSS_STATUS_AUTHENTICATED:
4773 r->flags |= WPA_SCAN_AUTHENTICATED;
4774 break;
4775 case NL80211_BSS_STATUS_ASSOCIATED:
4776 r->flags |= WPA_SCAN_ASSOCIATED;
4777 break;
4778 default:
4779 break;
4780 }
4781 }
4782
46957a9b
JM		 4783 /*
4784 * cfg80211 maintains separate BSS table entries for APs if the same
4785 * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does
4786 * not use frequency as a separate key in the BSS table, so filter out
4787 * duplicated entries. Prefer associated BSS entry in such a case in
4788 * order to get the correct frequency into the BSS table.
4789 */
4790 for (i = 0; i < res->num; i++) {
4791 const u8 *s1, *s2;
4792 if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0)
4793 continue;
4794
4795 s1 = nl80211_get_ie((u8 *) (res->res[i] + 1),
4796 res->res[i]->ie_len, WLAN_EID_SSID);
4797 s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID);
4798 if (s1 == NULL || s2 == NULL || s1[1] != s2[1] ||
4799 os_memcmp(s1, s2, 2 + s1[1]) != 0)
4800 continue;
4801
4802 /* Same BSSID,SSID was already included in scan results */
4803 wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result "
4804 "for " MACSTR, MAC2STR(r->bssid));
4805
4806 if ((r->flags & WPA_SCAN_ASSOCIATED) &&
4807 !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) {
4808 os_free(res->res[i]);
4809 res->res[i] = r;
4810 } else
4811 os_free(r);
4812 return NL_SKIP;
4813 }
4814
067ffa26
JM		 4815 tmp = os_realloc_array(res->res, res->num + 1,
4816 sizeof(struct wpa_scan_res *));
3f5285e8
JM		 4817 if (tmp == NULL) {
4818 os_free(r);
b3db1e1c 4819 return NL_SKIP;
3f5285e8
JM		 4820 }
4821 tmp[res->num++] = r;
4822 res->res = tmp;
b3db1e1c
JM		 4823
4824 return NL_SKIP;
3f5285e8 4825}
b3db1e1c 4826
3f5285e8 4827
d72aad94
JM		 4828static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv,
4829 const u8 *addr)
4830{
4831 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
4832 wpa_printf(MSG_DEBUG, "nl80211: Clear possible state "
582507be 4833 "mismatch (" MACSTR ")", MAC2STR(addr));
d72aad94
JM		 4834 wpa_driver_nl80211_mlme(drv, addr,
4835 NL80211_CMD_DEAUTHENTICATE,
77339912 4836 WLAN_REASON_PREV_AUTH_NOT_VALID, 1);
d72aad94
JM		 4837 }
4838}
4839
4840
e6b8efeb
JM		 4841static void wpa_driver_nl80211_check_bss_status(
4842 struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res)
4843{
4844 size_t i;
4845
4846 for (i = 0; i < res->num; i++) {
4847 struct wpa_scan_res *r = res->res[i];
4848 if (r->flags & WPA_SCAN_AUTHENTICATED) {
4849 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
4850 "indicates BSS status with " MACSTR
4851 " as authenticated",
4852 MAC2STR(r->bssid));
b1f625e0 4853 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4854 os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 &&
4855 os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) !=
4856 0) {
4857 wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID"
4858 " in local state (auth=" MACSTR
4859 " assoc=" MACSTR ")",
4860 MAC2STR(drv->auth_bssid),
4861 MAC2STR(drv->bssid));
582507be 4862 clear_state_mismatch(drv, r->bssid);
e6b8efeb
JM		 4863 }
4864 }
4865
4866 if (r->flags & WPA_SCAN_ASSOCIATED) {
4867 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
4868 "indicate BSS status with " MACSTR
4869 " as associated",
4870 MAC2STR(r->bssid));
b1f625e0 4871 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4872 !drv->associated) {
4873 wpa_printf(MSG_DEBUG, "nl80211: Local state "
4874 "(not associated) does not match "
4875 "with BSS state");
d72aad94 4876 clear_state_mismatch(drv, r->bssid);
b1f625e0 4877 } else if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4878 os_memcmp(drv->bssid, r->bssid, ETH_ALEN) !=
4879 0) {
4880 wpa_printf(MSG_DEBUG, "nl80211: Local state "
4881 "(associated with " MACSTR ") does "
4882 "not match with BSS state",
d72aad94
JM		 4883 MAC2STR(drv->bssid));
4884 clear_state_mismatch(drv, r->bssid);
4885 clear_state_mismatch(drv, drv->bssid);
e6b8efeb
JM		 4886 }
4887 }
4888 }
4889}
4890
4891
7e5ba1b9 4892static struct wpa_scan_results *
8856462d 4893nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv)
3f5285e8 4894{
b3db1e1c 4895 struct nl_msg *msg;
3f5285e8 4896 struct wpa_scan_results *res;
b3db1e1c 4897 int ret;
3812464c 4898 struct nl80211_bss_info_arg arg;
3f5285e8
JM		 4899
4900 res = os_zalloc(sizeof(*res));
b3db1e1c 4901 if (res == NULL)
8e2c104f 4902 return NULL;
b3db1e1c
JM		 4903 msg = nlmsg_alloc();
4904 if (!msg)
4905 goto nla_put_failure;
3f5285e8 4906
9fb04070 4907 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
fdc554b8
AS		 4908 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
4909 goto nla_put_failure;
3f5285e8 4910
3812464c
JM		 4911 arg.drv = drv;
4912 arg.res = res;
4913 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
b3db1e1c
JM		 4914 msg = NULL;
4915 if (ret == 0) {
577db0ae
GM		 4916 wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu "
4917 "BSSes)", (unsigned long) res->num);
4918 nl80211_get_noise_for_scan_results(drv, res);
b3db1e1c 4919 return res;
3f5285e8 4920 }
b3db1e1c
JM		 4921 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
4922 "(%s)", ret, strerror(-ret));
4923nla_put_failure:
4924 nlmsg_free(msg);
4925 wpa_scan_results_free(res);
4926 return NULL;
3f5285e8
JM		 4927}
4928
4929
8856462d
JM		 4930/**
4931 * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results
4932 * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
4933 * Returns: Scan results on success, -1 on failure
4934 */
4935static struct wpa_scan_results *
4936wpa_driver_nl80211_get_scan_results(void *priv)
4937{
a2e40bb6
FF		 4938 struct i802_bss *bss = priv;
4939 struct wpa_driver_nl80211_data *drv = bss->drv;
8856462d
JM		 4940 struct wpa_scan_results *res;
4941
4942 res = nl80211_get_scan_results(drv);
4943 if (res)
4944 wpa_driver_nl80211_check_bss_status(drv, res);
4945 return res;
4946}
4947
4948
4949static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv)
4950{
4951 struct wpa_scan_results *res;
4952 size_t i;
4953
4954 res = nl80211_get_scan_results(drv);
4955 if (res == NULL) {
4956 wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results");
4957 return;
4958 }
4959
4960 wpa_printf(MSG_DEBUG, "nl80211: Scan result dump");
4961 for (i = 0; i < res->num; i++) {
4962 struct wpa_scan_res *r = res->res[i];
4963 wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s",
4964 (int) i, (int) res->num, MAC2STR(r->bssid),
4965 r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "",
4966 r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : "");
4967 }
4968
4969 wpa_scan_results_free(res);
4970}
4971
4972
9ebce9c5 4973static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 4974 enum wpa_alg alg, const u8 *addr,
4975 int key_idx, int set_tx,
642187d6
JM		 4976 const u8 *seq, size_t seq_len,
4977 const u8 *key, size_t key_len)
3f5285e8 4978{
a2e40bb6 4979 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 4980 int ifindex;
3f5285e8 4981 struct nl_msg *msg;
1ad1cdc2 4982 int ret;
dc01de8a 4983 int tdls = 0;
3f5285e8 4984
e472e1b4
AS		 4985 /* Ignore for P2P Device */
4986 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
4987 return 0;
4988
4989 ifindex = if_nametoindex(ifname);
8393e1a0 4990 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 4991 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 4992 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 4993 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 4994#ifdef CONFIG_TDLS
dc01de8a 4995 if (key_idx == -1) {
8c66e185 4996 key_idx = 0;
dc01de8a
JM		 4997 tdls = 1;
4998 }
8c66e185 4999#endif /* CONFIG_TDLS */
3f5285e8
JM		 5000
5001 msg = nlmsg_alloc();
1ad1cdc2
JM		 5002 if (!msg)
5003 return -ENOMEM;
3f5285e8
JM		 5004
5005 if (alg == WPA_ALG_NONE) {
9fb04070 5006 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY);
3f5285e8 5007 } else {
9fb04070 5008 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY);
3f5285e8 5009 NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
d723bab4
JM		 5010 switch (alg) {
5011 case WPA_ALG_WEP:
5012 if (key_len == 5)
5013 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5014 WLAN_CIPHER_SUITE_WEP40);
5015 else
5016 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5017 WLAN_CIPHER_SUITE_WEP104);
5018 break;
5019 case WPA_ALG_TKIP:
5020 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5021 WLAN_CIPHER_SUITE_TKIP);
5022 break;
5023 case WPA_ALG_CCMP:
5024 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5025 WLAN_CIPHER_SUITE_CCMP);
5026 break;
eb7719ff
JM		 5027 case WPA_ALG_GCMP:
5028 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5029 WLAN_CIPHER_SUITE_GCMP);
5030 break;
d723bab4
JM		 5031 case WPA_ALG_IGTK:
5032 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5033 WLAN_CIPHER_SUITE_AES_CMAC);
5034 break;
369c8d7b
JM		 5035 case WPA_ALG_SMS4:
5036 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5037 WLAN_CIPHER_SUITE_SMS4);
5038 break;
5039 case WPA_ALG_KRK:
5040 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5041 WLAN_CIPHER_SUITE_KRK);
5042 break;
d723bab4
JM		 5043 default:
5044 wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
5045 "algorithm %d", __func__, alg);
3f5285e8
JM		 5046 nlmsg_free(msg);
5047 return -1;
5048 }
5049 }
5050
849ef835 5051 if (seq && seq_len)
1ad1cdc2
JM		 5052 NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq);
5053
0382097e 5054 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8
JM		 5055 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
5056 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
89c38e32
JM		 5057
5058 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
5059 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
5060 NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE,
5061 NL80211_KEYTYPE_GROUP);
5062 }
60ea8187 5063 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 5064 struct nlattr *types;
5065
60ea8187 5066 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 5067
5068 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5069 if (!types)
5070 goto nla_put_failure;
8970bae8
JB		 5071 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
5072 nla_nest_end(msg, types);
3f5285e8
JM		 5073 }
5074 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
1ad1cdc2 5075 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
3f5285e8 5076
1ad1cdc2 5077 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
15664ad0 5078 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 5079 ret = 0;
5080 if (ret)
5081 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
5082 ret, strerror(-ret));
3f5285e8 5083
1ad1cdc2
JM		 5084 /*
5085 * If we failed or don't need to set the default TX key (below),
5086 * we're done here.
5087 */
dc01de8a 5088 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 5089 return ret;
b1f625e0 5090 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 5091 !is_broadcast_ether_addr(addr))
de12717a 5092 return ret;
3f5285e8 5093
1ad1cdc2
JM		 5094 msg = nlmsg_alloc();
5095 if (!msg)
5096 return -ENOMEM;
3f5285e8 5097
9fb04070 5098 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY);
1ad1cdc2
JM		 5099 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
5100 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
5101 if (alg == WPA_ALG_IGTK)
5102 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
5103 else
5104 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
60ea8187 5105 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 5106 struct nlattr *types;
5107
5108 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5109 if (!types)
5110 goto nla_put_failure;
8970bae8
JB		 5111 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
5112 nla_nest_end(msg, types);
60ea8187 5113 } else if (addr) {
8970bae8
JB		 5114 struct nlattr *types;
5115
5116 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5117 if (!types)
5118 goto nla_put_failure;
8970bae8
JB		 5119 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST);
5120 nla_nest_end(msg, types);
60ea8187 5121 }
3f5285e8 5122
1ad1cdc2
JM		 5123 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5124 if (ret == -ENOENT)
5125 ret = 0;
5126 if (ret)
5127 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
5128 "err=%d %s)", ret, strerror(-ret));
5129 return ret;
3f5285e8
JM		 5130
5131nla_put_failure:
5883168a 5132 nlmsg_free(msg);
6241fcb1 5133 return -ENOBUFS;
3f5285e8
JM		 5134}
5135
5136
71934751 5137static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 5138 int key_idx, int defkey,
5139 const u8 *seq, size_t seq_len,
5140 const u8 *key, size_t key_len)
5141{
5142 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
5143 if (!key_attr)
5144 return -1;
5145
5146 if (defkey && alg == WPA_ALG_IGTK)
5147 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT);
5148 else if (defkey)
5149 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
5150
5151 NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx);
5152
d723bab4
JM		 5153 switch (alg) {
5154 case WPA_ALG_WEP:
5155 if (key_len == 5)
2aa5f847
JM		 5156 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5157 WLAN_CIPHER_SUITE_WEP40);
d723bab4 5158 else
2aa5f847
JM		 5159 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5160 WLAN_CIPHER_SUITE_WEP104);
d723bab4
JM		 5161 break;
5162 case WPA_ALG_TKIP:
2aa5f847 5163 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_TKIP);
d723bab4
JM		 5164 break;
5165 case WPA_ALG_CCMP:
2aa5f847 5166 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_CCMP);
d723bab4 5167 break;
eb7719ff
JM		 5168 case WPA_ALG_GCMP:
5169 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_GCMP);
5170 break;
d723bab4 5171 case WPA_ALG_IGTK:
2aa5f847
JM		 5172 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5173 WLAN_CIPHER_SUITE_AES_CMAC);
d723bab4
JM		 5174 break;
5175 default:
5176 wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
5177 "algorithm %d", __func__, alg);
0194fedb 5178 return -1;
d723bab4 5179 }
0194fedb
JB		 5180
5181 if (seq && seq_len)
5182 NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq);
5183
5184 NLA_PUT(msg, NL80211_KEY_DATA, key_len, key);
5185
5186 nla_nest_end(msg, key_attr);
5187
5188 return 0;
5189 nla_put_failure:
5190 return -1;
5191}
5192
c811d5bc 5193
cfaab580
ZY		 5194static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
5195 struct nl_msg *msg)
5196{
5197 int i, privacy = 0;
5198 struct nlattr *nl_keys, *nl_key;
5199
5200 for (i = 0; i < 4; i++) {
5201 if (!params->wep_key[i])
5202 continue;
5203 privacy = 1;
5204 break;
5205 }
ce04af5a
JM		 5206 if (params->wps == WPS_MODE_PRIVACY)
5207 privacy = 1;
5208 if (params->pairwise_suite &&
5209 params->pairwise_suite != WPA_CIPHER_NONE)
5210 privacy = 1;
5211
cfaab580
ZY		 5212 if (!privacy)
5213 return 0;
5214
5215 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
5216
5217 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
5218 if (!nl_keys)
5219 goto nla_put_failure;
5220
5221 for (i = 0; i < 4; i++) {
5222 if (!params->wep_key[i])
5223 continue;
5224
5225 nl_key = nla_nest_start(msg, i);
5226 if (!nl_key)
5227 goto nla_put_failure;
5228
5229 NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i],
5230 params->wep_key[i]);
5231 if (params->wep_key_len[i] == 5)
5232 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5233 WLAN_CIPHER_SUITE_WEP40);
5234 else
5235 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5236 WLAN_CIPHER_SUITE_WEP104);
5237
5238 NLA_PUT_U8(msg, NL80211_KEY_IDX, i);
5239
5240 if (i == params->wep_tx_keyidx)
5241 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
5242
5243 nla_nest_end(msg, nl_key);
5244 }
5245 nla_nest_end(msg, nl_keys);
5246
5247 return 0;
5248
5249nla_put_failure:
5250 return -ENOBUFS;
5251}
5252
5253
c2a04078 5254static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 5255 const u8 *addr, int cmd, u16 reason_code,
5256 int local_state_change)
c2a04078
JM		 5257{
5258 int ret = -1;
5259 struct nl_msg *msg;
5260
5261 msg = nlmsg_alloc();
5262 if (!msg)
5263 return -1;
5264
9fb04070 5265 nl80211_cmd(drv, msg, 0, cmd);
c2a04078
JM		 5266
5267 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5268 NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code);
817762d9
MI		 5269 if (addr)
5270 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
77339912
JM		 5271 if (local_state_change)
5272 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
c2a04078
JM		 5273
5274 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5275 msg = NULL;
5276 if (ret) {
3b7ea880
BG		 5277 wpa_dbg(drv->ctx, MSG_DEBUG,
5278 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
5279 reason_code, ret, strerror(-ret));
c2a04078
JM		 5280 goto nla_put_failure;
5281 }
5282 ret = 0;
5283
5284nla_put_failure:
5285 nlmsg_free(msg);
5286 return ret;
5287}
3f5285e8
JM		 5288
5289
cfaab580 5290static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 5291 int reason_code)
cfaab580 5292{
3f53c006
JJ		 5293 int ret;
5294
817762d9 5295 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 5296 nl80211_mark_disconnected(drv);
817762d9 5297 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 5298 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
5299 reason_code, 0);
5300 /*
5301 * For locally generated disconnect, supplicant already generates a
5302 * DEAUTH event, so ignore the event from NL80211.
5303 */
5304 drv->ignore_next_local_disconnect = ret == 0;
5305
5306 return ret;
cfaab580
ZY		 5307}
5308
5309
9ebce9c5
JM		 5310static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
5311 const u8 *addr, int reason_code)
3f5285e8 5312{
a2e40bb6 5313 struct wpa_driver_nl80211_data *drv = bss->drv;
cfaab580 5314 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 5315 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 5316 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
5317 __func__, MAC2STR(addr), reason_code);
add9b7a4 5318 nl80211_mark_disconnected(drv);
21bdbe38
JM		 5319 if (drv->nlmode == NL80211_IFTYPE_ADHOC)
5320 return nl80211_leave_ibss(drv);
c2a04078 5321 return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
77339912 5322 reason_code, 0);
3f5285e8
JM		 5323}
5324
5325
536fd62d
JM		 5326static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
5327 struct wpa_driver_auth_params *params)
5328{
5329 int i;
5330
5331 drv->auth_freq = params->freq;
5332 drv->auth_alg = params->auth_alg;
5333 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
5334 drv->auth_local_state_change = params->local_state_change;
5335 drv->auth_p2p = params->p2p;
5336
5337 if (params->bssid)
5338 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
5339 else
5340 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
5341
5342 if (params->ssid) {
5343 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
5344 drv->auth_ssid_len = params->ssid_len;
5345 } else
5346 drv->auth_ssid_len = 0;
5347
5348
5349 os_free(drv->auth_ie);
5350 drv->auth_ie = NULL;
5351 drv->auth_ie_len = 0;
5352 if (params->ie) {
5353 drv->auth_ie = os_malloc(params->ie_len);
5354 if (drv->auth_ie) {
5355 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
5356 drv->auth_ie_len = params->ie_len;
5357 }
5358 }
5359
5360 for (i = 0; i < 4; i++) {
5361 if (params->wep_key[i] && params->wep_key_len[i] &&
5362 params->wep_key_len[i] <= 16) {
5363 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
5364 params->wep_key_len[i]);
5365 drv->auth_wep_key_len[i] = params->wep_key_len[i];
5366 } else
5367 drv->auth_wep_key_len[i] = 0;
5368 }
5369}
5370
5371
c2a04078 5372static int wpa_driver_nl80211_authenticate(
9ebce9c5 5373 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 5374{
a2e40bb6 5375 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 5376 int ret = -1, i;
c2a04078
JM		 5377 struct nl_msg *msg;
5378 enum nl80211_auth_type type;
2f4f73b1 5379 enum nl80211_iftype nlmode;
6d6f4bb8 5380 int count = 0;
536fd62d
JM		 5381 int is_retry;
5382
5383 is_retry = drv->retry_auth;
5384 drv->retry_auth = 0;
c2a04078 5385
add9b7a4 5386 nl80211_mark_disconnected(drv);
e6b8efeb 5387 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 5388 if (params->bssid)
5389 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5390 else
5391 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 5392 /* FIX: IBSS mode */
2f4f73b1
EP		 5393 nlmode = params->p2p ?
5394 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5395 if (drv->nlmode != nlmode &&
9ebce9c5 5396 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 5397 return -1;
5398
6d6f4bb8 5399retry:
c2a04078
JM		 5400 msg = nlmsg_alloc();
5401 if (!msg)
5402 return -1;
5403
5404 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
5405 drv->ifindex);
a0b2f99b 5406
9fb04070 5407 nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE);
0194fedb 5408
a0b2f99b
JM		 5409 for (i = 0; i < 4; i++) {
5410 if (!params->wep_key[i])
5411 continue;
9ebce9c5 5412 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 5413 NULL, i,
a0b2f99b
JM		 5414 i == params->wep_tx_keyidx, NULL, 0,
5415 params->wep_key[i],
5416 params->wep_key_len[i]);
0194fedb
JB		 5417 if (params->wep_tx_keyidx != i)
5418 continue;
5419 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
5420 params->wep_key[i], params->wep_key_len[i])) {
5421 nlmsg_free(msg);
5422 return -1;
5423 }
a0b2f99b
JM		 5424 }
5425
c2a04078
JM		 5426 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5427 if (params->bssid) {
5428 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5429 MAC2STR(params->bssid));
5430 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
5431 }
5432 if (params->freq) {
5433 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
5434 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
5435 }
5436 if (params->ssid) {
5437 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
5438 params->ssid, params->ssid_len);
5439 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
5440 params->ssid);
5441 }
5442 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
5443 if (params->ie)
5444 NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie);
569fed90
JM		 5445 if (params->sae_data) {
5446 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
5447 params->sae_data_len);
5448 NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
5449 params->sae_data);
5450 }
abd9fafa 5451 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 5452 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 5453 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 5454 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 5455 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 5456 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 5457 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 5458 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 5459 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
5460 type = NL80211_AUTHTYPE_SAE;
c2a04078
JM		 5461 else
5462 goto nla_put_failure;
5463 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
5464 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
77339912
JM		 5465 if (params->local_state_change) {
5466 wpa_printf(MSG_DEBUG, " * Local state change only");
5467 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
5468 }
c2a04078
JM		 5469
5470 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5471 msg = NULL;
5472 if (ret) {
3b7ea880
BG		 5473 wpa_dbg(drv->ctx, MSG_DEBUG,
5474 "nl80211: MLME command failed (auth): ret=%d (%s)",
5475 ret, strerror(-ret));
6d6f4bb8 5476 count++;
77339912
JM		 5477 if (ret == -EALREADY && count == 1 && params->bssid &&
5478 !params->local_state_change) {
6d6f4bb8
JM		 5479 /*
5480 * mac80211 does not currently accept new
5481 * authentication if we are already authenticated. As a
5482 * workaround, force deauthentication and try again.
5483 */
5484 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
5485 "after forced deauthentication");
5486 wpa_driver_nl80211_deauthenticate(
5205c4f9 5487 bss, params->bssid,
6d6f4bb8
JM		 5488 WLAN_REASON_PREV_AUTH_NOT_VALID);
5489 nlmsg_free(msg);
5490 goto retry;
5491 }
536fd62d
JM		 5492
5493 if (ret == -ENOENT && params->freq && !is_retry) {
5494 /*
5495 * cfg80211 has likely expired the BSS entry even
5496 * though it was previously available in our internal
5497 * BSS table. To recover quickly, start a single
5498 * channel scan on the specified channel.
5499 */
5500 struct wpa_driver_scan_params scan;
5501 int freqs[2];
5502
5503 os_memset(&scan, 0, sizeof(scan));
5504 scan.num_ssids = 1;
5505 if (params->ssid) {
5506 scan.ssids[0].ssid = params->ssid;
5507 scan.ssids[0].ssid_len = params->ssid_len;
5508 }
5509 freqs[0] = params->freq;
5510 freqs[1] = 0;
5511 scan.freqs = freqs;
5512 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
5513 "channel scan to refresh cfg80211 BSS "
5514 "entry");
5515 ret = wpa_driver_nl80211_scan(bss, &scan);
5516 if (ret == 0) {
5517 nl80211_copy_auth_params(drv, params);
5518 drv->scan_for_auth = 1;
5519 }
8c3ba078
JM		 5520 } else if (is_retry) {
5521 /*
5522 * Need to indicate this with an event since the return
5523 * value from the retry is not delivered to core code.
5524 */
5525 union wpa_event_data event;
5526 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
5527 "failed");
5528 os_memset(&event, 0, sizeof(event));
5529 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
5530 ETH_ALEN);
5531 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
5532 &event);
536fd62d
JM		 5533 }
5534
c2a04078
JM		 5535 goto nla_put_failure;
5536 }
5537 ret = 0;
5538 wpa_printf(MSG_DEBUG, "nl80211: Authentication request send "
5539 "successfully");
5540
5541nla_put_failure:
5542 nlmsg_free(msg);
5543 return ret;
5544}
5545
5546
536fd62d
JM		 5547static int wpa_driver_nl80211_authenticate_retry(
5548 struct wpa_driver_nl80211_data *drv)
5549{
5550 struct wpa_driver_auth_params params;
5551 struct i802_bss *bss = &drv->first_bss;
5552 int i;
5553
5554 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
5555
5556 os_memset(&params, 0, sizeof(params));
5557 params.freq = drv->auth_freq;
5558 params.auth_alg = drv->auth_alg;
5559 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
5560 params.local_state_change = drv->auth_local_state_change;
5561 params.p2p = drv->auth_p2p;
5562
5563 if (!is_zero_ether_addr(drv->auth_bssid_))
5564 params.bssid = drv->auth_bssid_;
5565
5566 if (drv->auth_ssid_len) {
5567 params.ssid = drv->auth_ssid;
5568 params.ssid_len = drv->auth_ssid_len;
5569 }
5570
5571 params.ie = drv->auth_ie;
5572 params.ie_len = drv->auth_ie_len;
5573
5574 for (i = 0; i < 4; i++) {
5575 if (drv->auth_wep_key_len[i]) {
5576 params.wep_key[i] = drv->auth_wep_key[i];
5577 params.wep_key_len[i] = drv->auth_wep_key_len[i];
5578 }
5579 }
5580
5581 drv->retry_auth = 1;
5582 return wpa_driver_nl80211_authenticate(bss, &params);
5583}
5584
5585
282d5590
JM		 5586struct phy_info_arg {
5587 u16 *num_modes;
5588 struct hostapd_hw_modes *modes;
43245552 5589 int last_mode, last_chan_idx;
282d5590
JM		 5590};
5591
e62a1d43
JM		 5592static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
5593 struct nlattr *ampdu_factor,
5594 struct nlattr *ampdu_density,
5595 struct nlattr *mcs_set)
5596{
5597 if (capa)
5598 mode->ht_capab = nla_get_u16(capa);
5599
5600 if (ampdu_factor)
5601 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
5602
5603 if (ampdu_density)
5604 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
5605
5606 if (mcs_set && nla_len(mcs_set) >= 16) {
5607 u8 *mcs;
5608 mcs = nla_data(mcs_set);
5609 os_memcpy(mode->mcs_set, mcs, 16);
5610 }
5611}
5612
5613
5614static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
5615 struct nlattr *capa,
5616 struct nlattr *mcs_set)
5617{
5618 if (capa)
5619 mode->vht_capab = nla_get_u32(capa);
5620
5621 if (mcs_set && nla_len(mcs_set) >= 8) {
5622 u8 *mcs;
5623 mcs = nla_data(mcs_set);
5624 os_memcpy(mode->vht_mcs_set, mcs, 8);
5625 }
5626}
5627
5628
214a77b0
JM		 5629static void phy_info_freq(struct hostapd_hw_modes *mode,
5630 struct hostapd_channel_data *chan,
5631 struct nlattr *tb_freq[])
5632{
e864c0ae 5633 u8 channel;
214a77b0
JM		 5634 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
5635 chan->flag = 0;
e864c0ae
JM		 5636 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
5637 chan->chan = channel;
214a77b0
JM		 5638
5639 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
5640 chan->flag |= HOSTAPD_CHAN_DISABLED;
5641 if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
5642 chan->flag |= HOSTAPD_CHAN_PASSIVE_SCAN;
5643 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
5644 chan->flag |= HOSTAPD_CHAN_NO_IBSS;
5645 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
5646 chan->flag |= HOSTAPD_CHAN_RADAR;
5647
5648 if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
5649 !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
5650 chan->max_tx_power = nla_get_u32(
5651 tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) / 100;
fc96522e
SW		 5652 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
5653 enum nl80211_dfs_state state =
5654 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
5655
5656 switch (state) {
5657 case NL80211_DFS_USABLE:
5658 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
5659 break;
5660 case NL80211_DFS_AVAILABLE:
5661 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
5662 break;
5663 case NL80211_DFS_UNAVAILABLE:
5664 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
5665 break;
5666 }
5667 }
214a77b0
JM		 5668}
5669
5670
e62a1d43
JM		 5671static int phy_info_freqs(struct phy_info_arg *phy_info,
5672 struct hostapd_hw_modes *mode, struct nlattr *tb)
282d5590 5673{
282d5590
JM		 5674 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
5675 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
5676 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
5677 [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
5678 [NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
5679 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
5680 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
fc96522e 5681 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
282d5590 5682 };
e62a1d43
JM		 5683 int new_channels = 0;
5684 struct hostapd_channel_data *channel;
5685 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
5686 struct nlattr *nl_freq;
5687 int rem_freq, idx;
5688
5689 if (tb == NULL)
5690 return NL_OK;
5691
5692 nla_for_each_nested(nl_freq, tb, rem_freq) {
5693 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
5694 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
5695 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
5696 continue;
5697 new_channels++;
5698 }
5699
5700 channel = os_realloc_array(mode->channels,
5701 mode->num_channels + new_channels,
5702 sizeof(struct hostapd_channel_data));
5703 if (!channel)
5704 return NL_SKIP;
5705
5706 mode->channels = channel;
5707 mode->num_channels += new_channels;
5708
5709 idx = phy_info->last_chan_idx;
5710
5711 nla_for_each_nested(nl_freq, tb, rem_freq) {
5712 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
5713 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
5714 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
5715 continue;
214a77b0 5716 phy_info_freq(mode, &mode->channels[idx], tb_freq);
e62a1d43
JM		 5717 idx++;
5718 }
5719 phy_info->last_chan_idx = idx;
5720
5721 return NL_OK;
5722}
5723
5724
5725static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
5726{
282d5590
JM		 5727 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
5728 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
3cfcad1b
JM		 5729 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
5730 { .type = NLA_FLAG },
282d5590 5731 };
e62a1d43 5732 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
282d5590 5733 struct nlattr *nl_rate;
e62a1d43
JM		 5734 int rem_rate, idx;
5735
5736 if (tb == NULL)
5737 return NL_OK;
5738
5739 nla_for_each_nested(nl_rate, tb, rem_rate) {
5740 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
5741 nla_data(nl_rate), nla_len(nl_rate),
5742 rate_policy);
5743 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
5744 continue;
5745 mode->num_rates++;
5746 }
5747
5748 mode->rates = os_calloc(mode->num_rates, sizeof(int));
5749 if (!mode->rates)
5750 return NL_SKIP;
5751
5752 idx = 0;
5753
5754 nla_for_each_nested(nl_rate, tb, rem_rate) {
5755 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
5756 nla_data(nl_rate), nla_len(nl_rate),
5757 rate_policy);
5758 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
5759 continue;
5760 mode->rates[idx] = nla_get_u32(
5761 tb_rate[NL80211_BITRATE_ATTR_RATE]);
e62a1d43
JM		 5762 idx++;
5763 }
5764
5765 return NL_OK;
5766}
5767
5768
5769static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
5770{
5771 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
282d5590 5772 struct hostapd_hw_modes *mode;
e62a1d43 5773 int ret;
282d5590 5774
3cfcad1b
JM		 5775 if (phy_info->last_mode != nl_band->nla_type) {
5776 mode = os_realloc_array(phy_info->modes,
5777 *phy_info->num_modes + 1,
5778 sizeof(*mode));
5779 if (!mode)
5780 return NL_SKIP;
5781 phy_info->modes = mode;
5782
5783 mode = &phy_info->modes[*(phy_info->num_modes)];
5784 os_memset(mode, 0, sizeof(*mode));
5785 mode->mode = NUM_HOSTAPD_MODES;
c8ebeda4
MK		 5786 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
5787 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
5788
5789 /*
5790 * Unsupported VHT MCS stream is defined as value 3, so the VHT
5791 * MCS RX/TX map must be initialized with 0xffff to mark all 8
5792 * possible streams as unsupported. This will be overridden if
5793 * driver advertises VHT support.
5794 */
5795 mode->vht_mcs_set[0] = 0xff;
5796 mode->vht_mcs_set[1] = 0xff;
5797 mode->vht_mcs_set[4] = 0xff;
5798 mode->vht_mcs_set[5] = 0xff;
5799
3cfcad1b
JM		 5800 *(phy_info->num_modes) += 1;
5801 phy_info->last_mode = nl_band->nla_type;
5802 phy_info->last_chan_idx = 0;
5803 } else
5804 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
282d5590 5805
3cfcad1b
JM		 5806 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
5807 nla_len(nl_band), NULL);
282d5590 5808
e62a1d43
JM		 5809 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
5810 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
5811 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
5812 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
5813 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
5814 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
5815 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
5816 if (ret != NL_OK)
5817 return ret;
5818 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
5819 if (ret != NL_OK)
5820 return ret;
282d5590 5821
3cfcad1b
JM		 5822 return NL_OK;
5823}
5824
5825
5826static int phy_info_handler(struct nl_msg *msg, void *arg)
5827{
5828 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
5829 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5830 struct phy_info_arg *phy_info = arg;
5831 struct nlattr *nl_band;
5832 int rem_band;
5833
5834 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5835 genlmsg_attrlen(gnlh, 0), NULL);
5836
5837 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
5838 return NL_SKIP;
5839
5840 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
5841 {
5842 int res = phy_info_band(phy_info, nl_band);
5843 if (res != NL_OK)
5844 return res;
5845 }
5846
282d5590
JM		 5847 return NL_SKIP;
5848}
5849
3cfcad1b 5850
282d5590 5851static struct hostapd_hw_modes *
c30a4ab0
JB		 5852wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
5853 u16 *num_modes)
282d5590
JM		 5854{
5855 u16 m;
5856 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
5857 int i, mode11g_idx = -1;
5858
c30a4ab0
JB		 5859 /* heuristic to set up modes */
5860 for (m = 0; m < *num_modes; m++) {
5861 if (!modes[m].num_channels)
5862 continue;
5863 if (modes[m].channels[0].freq < 4000) {
5864 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
5865 for (i = 0; i < modes[m].num_rates; i++) {
5866 if (modes[m].rates[i] > 200) {
5867 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
5868 break;
5869 }
5870 }
5871 } else if (modes[m].channels[0].freq > 50000)
5872 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
5873 else
5874 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
5875 }
5876
282d5590
JM		 5877 /* If only 802.11g mode is included, use it to construct matching
5878 * 802.11b mode data. */
5879
5880 for (m = 0; m < *num_modes; m++) {
5881 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
5882 return modes; /* 802.11b already included */
5883 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
5884 mode11g_idx = m;
5885 }
5886
5887 if (mode11g_idx < 0)
5888 return modes; /* 2.4 GHz band not supported at all */
5889
067ffa26 5890 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
282d5590
JM		 5891 if (nmodes == NULL)
5892 return modes; /* Could not add 802.11b mode */
5893
5894 mode = &nmodes[*num_modes];
5895 os_memset(mode, 0, sizeof(*mode));
5896 (*num_modes)++;
5897 modes = nmodes;
5898
5899 mode->mode = HOSTAPD_MODE_IEEE80211B;
5900
5901 mode11g = &modes[mode11g_idx];
5902 mode->num_channels = mode11g->num_channels;
5903 mode->channels = os_malloc(mode11g->num_channels *
5904 sizeof(struct hostapd_channel_data));
5905 if (mode->channels == NULL) {
5906 (*num_modes)--;
5907 return modes; /* Could not add 802.11b mode */
5908 }
5909 os_memcpy(mode->channels, mode11g->channels,
5910 mode11g->num_channels * sizeof(struct hostapd_channel_data));
5911
5912 mode->num_rates = 0;
fb7842aa 5913 mode->rates = os_malloc(4 * sizeof(int));
282d5590
JM		 5914 if (mode->rates == NULL) {
5915 os_free(mode->channels);
5916 (*num_modes)--;
5917 return modes; /* Could not add 802.11b mode */
5918 }
5919
5920 for (i = 0; i < mode11g->num_rates; i++) {
fb7842aa
JM		 5921 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
5922 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
282d5590
JM		 5923 continue;
5924 mode->rates[mode->num_rates] = mode11g->rates[i];
5925 mode->num_rates++;
5926 if (mode->num_rates == 4)
5927 break;
5928 }
5929
5930 if (mode->num_rates == 0) {
5931 os_free(mode->channels);
5932 os_free(mode->rates);
5933 (*num_modes)--;
5934 return modes; /* No 802.11b rates */
5935 }
5936
5937 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
5938 "information");
5939
5940 return modes;
5941}
5942
5943
d8e66e80
JM		 5944static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
5945 int end)
5946{
5947 int c;
5948
5949 for (c = 0; c < mode->num_channels; c++) {
5950 struct hostapd_channel_data *chan = &mode->channels[c];
5951 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
5952 chan->flag |= HOSTAPD_CHAN_HT40;
5953 }
5954}
5955
5956
5957static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
5958 int end)
5959{
5960 int c;
5961
5962 for (c = 0; c < mode->num_channels; c++) {
5963 struct hostapd_channel_data *chan = &mode->channels[c];
5964 if (!(chan->flag & HOSTAPD_CHAN_HT40))
5965 continue;
5966 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
5967 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
5968 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
5969 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
5970 }
5971}
5972
5973
5974static void nl80211_reg_rule_ht40(struct nlattr *tb[],
5975 struct phy_info_arg *results)
5976{
5977 u32 start, end, max_bw;
5978 u16 m;
5979
5980 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
5981 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
5982 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
5983 return;
5984
5985 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
5986 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
5987 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
5988
5989 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz",
5990 start, end, max_bw);
5991 if (max_bw < 40)
5992 return;
5993
5994 for (m = 0; m < *results->num_modes; m++) {
5995 if (!(results->modes[m].ht_capab &
5996 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
5997 continue;
5998 nl80211_set_ht40_mode(&results->modes[m], start, end);
5999 }
6000}
6001
6002
6003static void nl80211_reg_rule_sec(struct nlattr *tb[],
6004 struct phy_info_arg *results)
6005{
6006 u32 start, end, max_bw;
6007 u16 m;
6008
6009 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6010 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
6011 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
6012 return;
6013
6014 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6015 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6016 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
6017
6018 if (max_bw < 20)
6019 return;
6020
6021 for (m = 0; m < *results->num_modes; m++) {
6022 if (!(results->modes[m].ht_capab &
6023 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
6024 continue;
6025 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
6026 }
6027}
6028
6029
6030static int nl80211_get_reg(struct nl_msg *msg, void *arg)
6031{
6032 struct phy_info_arg *results = arg;
6033 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
6034 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6035 struct nlattr *nl_rule;
6036 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
6037 int rem_rule;
6038 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
6039 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6040 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6041 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6042 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6043 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6044 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6045 };
6046
6047 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6048 genlmsg_attrlen(gnlh, 0), NULL);
6049 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
6050 !tb_msg[NL80211_ATTR_REG_RULES]) {
6051 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
6052 "available");
6053 return NL_SKIP;
6054 }
6055
6056 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
6057 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
6058
6059 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
6060 {
6061 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
6062 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
6063 nl80211_reg_rule_ht40(tb_rule, results);
6064 }
6065
6066 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
6067 {
6068 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
6069 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
6070 nl80211_reg_rule_sec(tb_rule, results);
6071 }
6072
6073 return NL_SKIP;
6074}
6075
6076
6077static int nl80211_set_ht40_flags(struct wpa_driver_nl80211_data *drv,
6078 struct phy_info_arg *results)
6079{
6080 struct nl_msg *msg;
6081
6082 msg = nlmsg_alloc();
6083 if (!msg)
6084 return -ENOMEM;
6085
9fb04070 6086 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
d8e66e80
JM		 6087 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
6088}
6089
6090
282d5590
JM		 6091static struct hostapd_hw_modes *
6092wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
6093{
43245552 6094 u32 feat;
a2e40bb6
FF		 6095 struct i802_bss *bss = priv;
6096 struct wpa_driver_nl80211_data *drv = bss->drv;
282d5590
JM		 6097 struct nl_msg *msg;
6098 struct phy_info_arg result = {
6099 .num_modes = num_modes,
6100 .modes = NULL,
43245552 6101 .last_mode = -1,
282d5590
JM		 6102 };
6103
6104 *num_modes = 0;
6105 *flags = 0;
6106
6107 msg = nlmsg_alloc();
6108 if (!msg)
6109 return NULL;
6110
43245552
DJ		 6111 feat = get_nl80211_protocol_features(drv);
6112 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
6113 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
6114 else
6115 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
282d5590 6116
43245552 6117 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
282d5590
JM		 6118 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6119
d8e66e80
JM		 6120 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
6121 nl80211_set_ht40_flags(drv, &result);
c30a4ab0
JB		 6122 return wpa_driver_nl80211_postprocess_modes(result.modes,
6123 num_modes);
d8e66e80 6124 }
5883168a 6125 msg = NULL;
282d5590 6126 nla_put_failure:
5883168a 6127 nlmsg_free(msg);
282d5590
JM		 6128 return NULL;
6129}
6130
6131
a11241fa
JB		 6132static int wpa_driver_nl80211_send_mntr(struct wpa_driver_nl80211_data *drv,
6133 const void *data, size_t len,
6134 int encrypt, int noack)
2c2010ac
JM		 6135{
6136 __u8 rtap_hdr[] = {
6137 0x00, 0x00, /* radiotap version */
6138 0x0e, 0x00, /* radiotap length */
6139 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */
6140 IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */
6141 0x00, /* padding */
6142 0x00, 0x00, /* RX and TX flags to indicate that */
6143 0x00, 0x00, /* this is the injected frame directly */
6144 };
6145 struct iovec iov[2] = {
6146 {
6147 .iov_base = &rtap_hdr,
6148 .iov_len = sizeof(rtap_hdr),
6149 },
6150 {
6151 .iov_base = (void *) data,
6152 .iov_len = len,
6153 }
6154 };
6155 struct msghdr msg = {
6156 .msg_name = NULL,
6157 .msg_namelen = 0,
6158 .msg_iov = iov,
6159 .msg_iovlen = 2,
6160 .msg_control = NULL,
6161 .msg_controllen = 0,
6162 .msg_flags = 0,
6163 };
ebbec8b2 6164 int res;
fab25336 6165 u16 txflags = 0;
2c2010ac
JM		 6166
6167 if (encrypt)
6168 rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP;
6169
866af8b6
JM		 6170 if (drv->monitor_sock < 0) {
6171 wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available "
6172 "for %s", __func__);
6173 return -1;
6174 }
6175
fab25336
HS		 6176 if (noack)
6177 txflags |= IEEE80211_RADIOTAP_F_TX_NOACK;
9d7a63dc 6178 WPA_PUT_LE16(&rtap_hdr[12], txflags);
fab25336 6179
ebbec8b2
JM		 6180 res = sendmsg(drv->monitor_sock, &msg, 0);
6181 if (res < 0) {
6182 wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno));
6183 return -1;
6184 }
6185 return 0;
2c2010ac
JM		 6186}
6187
6188
a11241fa
JB		 6189static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
6190 const void *data, size_t len,
55231068
JM		 6191 int encrypt, int noack,
6192 unsigned int freq, int no_cck,
6193 int offchanok, unsigned int wait_time)
a11241fa
JB		 6194{
6195 struct wpa_driver_nl80211_data *drv = bss->drv;
6196 u64 cookie;
41cc50d1 6197 int res;
a11241fa 6198
af964484
JM		 6199 if (freq == 0) {
6200 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
6201 bss->freq);
55231068 6202 freq = bss->freq;
af964484 6203 }
55231068 6204
739faee2
JM		 6205 if (drv->use_monitor) {
6206 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_mntr",
6207 freq, bss->freq);
a11241fa
JB		 6208 return wpa_driver_nl80211_send_mntr(drv, data, len,
6209 encrypt, noack);
739faee2 6210 }
a11241fa 6211
739faee2 6212 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1
JM		 6213 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
6214 &cookie, no_cck, noack, offchanok);
6215 if (res == 0 && !noack) {
6216 const struct ieee80211_mgmt *mgmt;
6217 u16 fc;
6218
6219 mgmt = (const struct ieee80211_mgmt *) data;
6220 fc = le_to_host16(mgmt->frame_control);
6221 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6222 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
6223 wpa_printf(MSG_MSGDUMP,
6224 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
6225 (long long unsigned int)
6226 drv->send_action_cookie,
6227 (long long unsigned int) cookie);
6228 drv->send_action_cookie = cookie;
6229 }
6230 }
6231
6232 return res;
a11241fa
JB		 6233}
6234
6235
9ebce9c5
JM		 6236static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
6237 size_t data_len, int noack,
6238 unsigned int freq, int no_cck,
6239 int offchanok,
6240 unsigned int wait_time)
2c2010ac 6241{
a2e40bb6 6242 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 6243 struct ieee80211_mgmt *mgmt;
7a47d567 6244 int encrypt = 1;
2c2010ac
JM		 6245 u16 fc;
6246
6247 mgmt = (struct ieee80211_mgmt *) data;
6248 fc = le_to_host16(mgmt->frame_control);
af964484
JM		 6249 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x nlmode=%d",
6250 noack, freq, no_cck, offchanok, wait_time, fc, drv->nlmode);
2c2010ac 6251
8e12685c
AS		 6252 if ((is_sta_interface(drv->nlmode) ||
6253 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 6254 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6255 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
6256 /*
6257 * The use of last_mgmt_freq is a bit of a hack,
6258 * but it works due to the single-threaded nature
6259 * of wpa_supplicant.
6260 */
af964484
JM		 6261 if (freq == 0) {
6262 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
6263 drv->last_mgmt_freq);
55231068 6264 freq = drv->last_mgmt_freq;
af964484 6265 }
55231068 6266 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7
JB		 6267 data, data_len, NULL, 1, noack,
6268 1);
5582a5d1
JB		 6269 }
6270
61cbe2ff 6271 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 6272 if (freq == 0) {
6273 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
6274 bss->freq);
55231068 6275 freq = bss->freq;
af964484 6276 }
b5671498
JM		 6277 return nl80211_send_frame_cmd(bss, freq,
6278 (int) freq == bss->freq ? 0 :
6279 wait_time,
d8d6b32e
DG		 6280 data, data_len,
6281 &drv->send_action_cookie,
55231068 6282 no_cck, noack, offchanok);
86957e62
JM		 6283 }
6284
2c2010ac
JM		 6285 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6286 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
6287 /*
6288 * Only one of the authentication frame types is encrypted.
6289 * In order for static WEP encryption to work properly (i.e.,
6290 * to not encrypt the frame), we need to tell mac80211 about
6291 * the frames that must not be encrypted.
6292 */
6293 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
6294 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 6295 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
6296 encrypt = 0;
2c2010ac
JM		 6297 }
6298
739faee2 6299 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 6300 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068
JM		 6301 noack, freq, no_cck, offchanok,
6302 wait_time);
6303}
6304
6305
31357268 6306static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47
JM		 6307 int slot, int ht_opmode, int ap_isolate,
6308 int *basic_rates)
31357268
JM		 6309{
6310 struct wpa_driver_nl80211_data *drv = bss->drv;
6311 struct nl_msg *msg;
6312
6313 msg = nlmsg_alloc();
6314 if (!msg)
6315 return -ENOMEM;
6316
9fb04070 6317 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS);
31357268
JM		 6318
6319 if (cts >= 0)
6320 NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
6321 if (preamble >= 0)
6322 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
6323 if (slot >= 0)
6324 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
6325 if (ht_opmode >= 0)
6326 NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode);
d03e8d11
JM		 6327 if (ap_isolate >= 0)
6328 NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate);
e5693c47
JM		 6329
6330 if (basic_rates) {
6331 u8 rates[NL80211_MAX_SUPP_RATES];
6332 u8 rates_len = 0;
6333 int i;
6334
6335 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
6336 i++)
6337 rates[rates_len++] = basic_rates[i] / 5;
6338
6339 NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
6340 }
6341
31357268
JM		 6342 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
6343
6344 return send_and_recv_msgs(drv, msg, NULL, NULL);
6345 nla_put_failure:
5883168a 6346 nlmsg_free(msg);
31357268
JM		 6347 return -ENOBUFS;
6348}
6349
6350
3c4ca363
VN		 6351static int wpa_driver_nl80211_set_acl(void *priv,
6352 struct hostapd_acl_params *params)
6353{
6354 struct i802_bss *bss = priv;
6355 struct wpa_driver_nl80211_data *drv = bss->drv;
6356 struct nl_msg *msg;
6357 struct nlattr *acl;
6358 unsigned int i;
6359 int ret = 0;
6360
6361 if (!(drv->capa.max_acl_mac_addrs))
6362 return -ENOTSUP;
6363
6364 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
6365 return -ENOTSUP;
6366
6367 msg = nlmsg_alloc();
6368 if (!msg)
6369 return -ENOMEM;
6370
6371 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
6372 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
6373
6374 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_MAC_ACL);
6375
6376 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6377
6378 NLA_PUT_U32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
6379 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
6380 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED);
6381
6382 acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
6383 if (acl == NULL)
6384 goto nla_put_failure;
6385
6386 for (i = 0; i < params->num_mac_acl; i++)
6387 NLA_PUT(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr);
6388
6389 nla_nest_end(msg, acl);
6390
6391 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6392 msg = NULL;
6393 if (ret) {
6394 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
6395 ret, strerror(-ret));
6396 }
6397
6398nla_put_failure:
6399 nlmsg_free(msg);
6400
6401 return ret;
6402}
6403
6404
19c3b566
JM		 6405static int wpa_driver_nl80211_set_ap(void *priv,
6406 struct wpa_driver_ap_params *params)
d2440ba0 6407{
a2e40bb6
FF		 6408 struct i802_bss *bss = priv;
6409 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 6410 struct nl_msg *msg;
6411 u8 cmd = NL80211_CMD_NEW_BEACON;
6412 int ret;
b4fd6fab 6413 int beacon_set;
8b897f5a 6414 int ifindex = if_nametoindex(bss->ifname);
b11d1d64
JM		 6415 int num_suites;
6416 u32 suites[10];
6417 u32 ver;
b4fd6fab 6418
b4fd6fab 6419 beacon_set = bss->beacon_set;
d2440ba0
JM		 6420
6421 msg = nlmsg_alloc();
6422 if (!msg)
6423 return -ENOMEM;
6424
6425 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 6426 beacon_set);
6427 if (beacon_set)
d2440ba0
JM		 6428 cmd = NL80211_CMD_SET_BEACON;
6429
9fb04070 6430 nl80211_cmd(drv, msg, 0, cmd);
b92e08fc
JM		 6431 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
6432 params->head, params->head_len);
19c3b566 6433 NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head);
b92e08fc
JM		 6434 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
6435 params->tail, params->tail_len);
19c3b566 6436 NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail);
b92e08fc 6437 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", ifindex);
b4fd6fab 6438 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
b92e08fc 6439 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
19c3b566 6440 NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int);
b92e08fc 6441 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
19c3b566 6442 NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period);
b92e08fc
JM		 6443 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
6444 params->ssid, params->ssid_len);
ccb941e6
JM		 6445 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
6446 params->ssid);
b92e08fc
JM		 6447 if (params->proberesp && params->proberesp_len) {
6448 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
6449 params->proberesp, params->proberesp_len);
5ed33546
AN		 6450 NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
6451 params->proberesp);
b92e08fc 6452 }
97a7a0b5
JM		 6453 switch (params->hide_ssid) {
6454 case NO_SSID_HIDING:
b92e08fc 6455 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
97a7a0b5
JM		 6456 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6457 NL80211_HIDDEN_SSID_NOT_IN_USE);
6458 break;
6459 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 6460 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
97a7a0b5
JM		 6461 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6462 NL80211_HIDDEN_SSID_ZERO_LEN);
6463 break;
6464 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 6465 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
97a7a0b5
JM		 6466 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6467 NL80211_HIDDEN_SSID_ZERO_CONTENTS);
6468 break;
6469 }
b92e08fc 6470 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
b11d1d64
JM		 6471 if (params->privacy)
6472 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
b92e08fc 6473 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 6474 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
6475 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
6476 /* Leave out the attribute */
6477 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED)
6478 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
6479 NL80211_AUTHTYPE_SHARED_KEY);
6480 else
6481 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
6482 NL80211_AUTHTYPE_OPEN_SYSTEM);
6483
b92e08fc 6484 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 6485 ver = 0;
6486 if (params->wpa_version & WPA_PROTO_WPA)
6487 ver |= NL80211_WPA_VERSION_1;
6488 if (params->wpa_version & WPA_PROTO_RSN)
6489 ver |= NL80211_WPA_VERSION_2;
6490 if (ver)
6491 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
6492
b92e08fc
JM		 6493 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
6494 params->key_mgmt_suites);
b11d1d64
JM		 6495 num_suites = 0;
6496 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
6497 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
6498 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
6499 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
6500 if (num_suites) {
6501 NLA_PUT(msg, NL80211_ATTR_AKM_SUITES,
6502 num_suites * sizeof(u32), suites);
6503 }
6504
9f12614b
JB		 6505 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X &&
6506 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40))
6507 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT);
6508
b92e08fc
JM		 6509 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
6510 params->pairwise_ciphers);
b11d1d64
JM		 6511 num_suites = 0;
6512 if (params->pairwise_ciphers & WPA_CIPHER_CCMP)
6513 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
eb7719ff
JM		 6514 if (params->pairwise_ciphers & WPA_CIPHER_GCMP)
6515 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
b11d1d64
JM		 6516 if (params->pairwise_ciphers & WPA_CIPHER_TKIP)
6517 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
6518 if (params->pairwise_ciphers & WPA_CIPHER_WEP104)
6519 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
6520 if (params->pairwise_ciphers & WPA_CIPHER_WEP40)
6521 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
6522 if (num_suites) {
6523 NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
6524 num_suites * sizeof(u32), suites);
6525 }
6526
b92e08fc
JM		 6527 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
6528 params->group_cipher);
b11d1d64
JM		 6529 switch (params->group_cipher) {
6530 case WPA_CIPHER_CCMP:
6531 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6532 WLAN_CIPHER_SUITE_CCMP);
6533 break;
eb7719ff
JM		 6534 case WPA_CIPHER_GCMP:
6535 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6536 WLAN_CIPHER_SUITE_GCMP);
6537 break;
b11d1d64
JM		 6538 case WPA_CIPHER_TKIP:
6539 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6540 WLAN_CIPHER_SUITE_TKIP);
6541 break;
6542 case WPA_CIPHER_WEP104:
6543 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6544 WLAN_CIPHER_SUITE_WEP104);
6545 break;
6546 case WPA_CIPHER_WEP40:
6547 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6548 WLAN_CIPHER_SUITE_WEP40);
6549 break;
6550 }
d2440ba0 6551
fb91db56 6552 if (params->beacon_ies) {
b92e08fc
JM		 6553 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
6554 params->beacon_ies);
fb91db56
JM		 6555 NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies),
6556 wpabuf_head(params->beacon_ies));
6557 }
6558 if (params->proberesp_ies) {
b92e08fc
JM		 6559 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
6560 params->proberesp_ies);
fb91db56
JM		 6561 NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP,
6562 wpabuf_len(params->proberesp_ies),
6563 wpabuf_head(params->proberesp_ies));
6564 }
6565 if (params->assocresp_ies) {
b92e08fc
JM		 6566 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
6567 params->assocresp_ies);
fb91db56
JM		 6568 NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP,
6569 wpabuf_len(params->assocresp_ies),
6570 wpabuf_head(params->assocresp_ies));
6571 }
6572
a0133ee1 6573 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 6574 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
6575 params->ap_max_inactivity);
a0133ee1
VT		 6576 NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
6577 params->ap_max_inactivity);
6578 }
6579
d2440ba0
JM		 6580 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6581 if (ret) {
6582 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
6583 ret, strerror(-ret));
b4fd6fab 6584 } else {
b4fd6fab 6585 bss->beacon_set = 1;
31357268 6586 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 6587 params->short_slot_time, params->ht_opmode,
e5693c47 6588 params->isolate, params->basic_rates);
b4fd6fab 6589 }
d2440ba0
JM		 6590 return ret;
6591 nla_put_failure:
5883168a 6592 nlmsg_free(msg);
d2440ba0
JM		 6593 return -ENOBUFS;
6594}
6595
6596
e4fb2167 6597static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
89b800d7 6598 struct hostapd_freq_params *freq)
1581b38b 6599{
e4fb2167 6600 struct wpa_driver_nl80211_data *drv = bss->drv;
1581b38b 6601 struct nl_msg *msg;
d2440ba0 6602 int ret;
1581b38b 6603
89b800d7
JB		 6604 wpa_printf(MSG_DEBUG, "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d,"
6605 " bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
6606 freq->freq, freq->ht_enabled, freq->vht_enabled,
6607 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1581b38b
JM		 6608 msg = nlmsg_alloc();
6609 if (!msg)
6610 return -1;
6611
9fb04070 6612 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
1581b38b
JM		 6613
6614 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
89b800d7
JB		 6615 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
6616 if (freq->vht_enabled) {
6617 switch (freq->bandwidth) {
6618 case 20:
6619 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6620 NL80211_CHAN_WIDTH_20);
6621 break;
6622 case 40:
6623 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6624 NL80211_CHAN_WIDTH_40);
6625 break;
6626 case 80:
6627 if (freq->center_freq2)
6628 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6629 NL80211_CHAN_WIDTH_80P80);
6630 else
6631 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6632 NL80211_CHAN_WIDTH_80);
6633 break;
6634 case 160:
6635 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6636 NL80211_CHAN_WIDTH_160);
6637 break;
6638 default:
6639 return -1;
6640 }
6641 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1);
6642 if (freq->center_freq2)
6643 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2,
6644 freq->center_freq2);
6645 } else if (freq->ht_enabled) {
6646 switch (freq->sec_channel_offset) {
f019981a
JM		 6647 case -1:
6648 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6649 NL80211_CHAN_HT40MINUS);
6650 break;
6651 case 1:
6652 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6653 NL80211_CHAN_HT40PLUS);
6654 break;
6655 default:
6656 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6657 NL80211_CHAN_HT20);
6658 break;
6659 }
6660 }
1581b38b 6661
d2440ba0 6662 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6663 msg = NULL;
e4fb2167 6664 if (ret == 0) {
89b800d7 6665 bss->freq = freq->freq;
1581b38b 6666 return 0;
e4fb2167 6667 }
f019981a 6668 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 6669 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b 6670nla_put_failure:
5883168a 6671 nlmsg_free(msg);
1581b38b
JM		 6672 return -1;
6673}
6674
0f4e8b4f 6675
95ab6063
AN		 6676static u32 sta_flags_nl80211(int flags)
6677{
6678 u32 f = 0;
6679
6680 if (flags & WPA_STA_AUTHORIZED)
6681 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
6682 if (flags & WPA_STA_WMM)
6683 f |= BIT(NL80211_STA_FLAG_WME);
6684 if (flags & WPA_STA_SHORT_PREAMBLE)
6685 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
6686 if (flags & WPA_STA_MFP)
6687 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 6688 if (flags & WPA_STA_TDLS_PEER)
6689 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
95ab6063
AN		 6690
6691 return f;
6692}
6693
6694
62847751 6695static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 6696 struct hostapd_sta_add_params *params)
6697{
a2e40bb6
FF		 6698 struct i802_bss *bss = priv;
6699 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 6700 struct nl_msg *msg;
95ab6063 6701 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 6702 int ret = -ENOBUFS;
6703
45b722f1
AN		 6704 if ((params->flags & WPA_STA_TDLS_PEER) &&
6705 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6706 return -EOPNOTSUPP;
6707
0f4e8b4f
JM		 6708 msg = nlmsg_alloc();
6709 if (!msg)
6710 return -ENOMEM;
6711
e4dea253
JM		 6712 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
6713 params->set ? "Set" : "Add", MAC2STR(params->addr));
45b722f1
AN		 6714 nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION :
6715 NL80211_CMD_NEW_STATION);
0f4e8b4f 6716
62847751 6717 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
0f4e8b4f 6718 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr);
0f4e8b4f
JM		 6719 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len,
6720 params->supp_rates);
e4dea253
JM		 6721 wpa_hexdump(MSG_DEBUG, " * supported rates", params->supp_rates,
6722 params->supp_rates_len);
45b722f1 6723 if (!params->set) {
f11b72c3
JM		 6724 if (params->aid) {
6725 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
6726 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid);
6727 } else {
6728 /*
6729 * cfg80211 validates that AID is non-zero, so we have
6730 * to make this a non-zero value for the TDLS case where
6731 * a dummy STA entry is used for now.
6732 */
6733 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
6734 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, 1);
6735 }
e4dea253
JM		 6736 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
6737 params->listen_interval);
45b722f1
AN		 6738 NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
6739 params->listen_interval);
e112764e
JM		 6740 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
6741 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
6742 NLA_PUT_U16(msg, NL80211_ATTR_PEER_AID, params->aid);
45b722f1 6743 }
0f4e8b4f 6744 if (params->ht_capabilities) {
e4dea253
JM		 6745 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
6746 (u8 *) params->ht_capabilities,
6747 sizeof(*params->ht_capabilities));
0f4e8b4f 6748 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY,
fc4e2d95
JM		 6749 sizeof(*params->ht_capabilities),
6750 params->ht_capabilities);
0f4e8b4f 6751 }
0f4e8b4f 6752
05a8d422 6753 if (params->vht_capabilities) {
e4dea253
JM		 6754 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
6755 (u8 *) params->vht_capabilities,
6756 sizeof(*params->vht_capabilities));
05a8d422
JB		 6757 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY,
6758 sizeof(*params->vht_capabilities),
6759 params->vht_capabilities);
6760 }
6761
122d16f2
SD		 6762 wpa_printf(MSG_DEBUG, " * capability=0x%x", params->capability);
6763 NLA_PUT_U16(msg, NL80211_ATTR_STA_CAPABILITY, params->capability);
6764
6765 if (params->ext_capab) {
6766 wpa_hexdump(MSG_DEBUG, " * ext_capab",
6767 params->ext_capab, params->ext_capab_len);
6768 NLA_PUT(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
6769 params->ext_capab_len, params->ext_capab);
6770 }
6771
95ab6063
AN		 6772 os_memset(&upd, 0, sizeof(upd));
6773 upd.mask = sta_flags_nl80211(params->flags);
6774 upd.set = upd.mask;
e4dea253
JM		 6775 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
6776 upd.set, upd.mask);
95ab6063
AN		 6777 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
6778
774bfa62 6779 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 6780 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
6781
774bfa62
EP		 6782 if (!wme)
6783 goto nla_put_failure;
6784
e4dea253 6785 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
8970bae8 6786 NLA_PUT_U8(msg, NL80211_STA_WME_UAPSD_QUEUES,
5d061637 6787 params->qosinfo & WMM_QOSINFO_STA_AC_MASK);
8970bae8 6788 NLA_PUT_U8(msg, NL80211_STA_WME_MAX_SP,
bdaf1748 6789 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
5d061637 6790 WMM_QOSINFO_STA_SP_MASK);
8970bae8 6791 nla_nest_end(msg, wme);
774bfa62
EP		 6792 }
6793
0f4e8b4f 6794 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6795 msg = NULL;
0f4e8b4f 6796 if (ret)
45b722f1
AN		 6797 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
6798 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
6799 strerror(-ret));
0f4e8b4f
JM		 6800 if (ret == -EEXIST)
6801 ret = 0;
6802 nla_put_failure:
5883168a 6803 nlmsg_free(msg);
0f4e8b4f
JM		 6804 return ret;
6805}
6806
6807
9ebce9c5 6808static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr)
0f4e8b4f 6809{
a2e40bb6 6810 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 6811 struct nl_msg *msg;
6812 int ret;
6813
6814 msg = nlmsg_alloc();
6815 if (!msg)
6816 return -ENOMEM;
6817
9fb04070 6818 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
0f4e8b4f
JM		 6819
6820 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 6821 if_nametoindex(bss->ifname));
0f4e8b4f
JM		 6822 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
6823
6824 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 6825 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
6826 " --> %d (%s)",
6827 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
0f4e8b4f
JM		 6828 if (ret == -ENOENT)
6829 return 0;
6830 return ret;
6831 nla_put_failure:
5883168a 6832 nlmsg_free(msg);
0f4e8b4f
JM		 6833 return -ENOBUFS;
6834}
6835
1581b38b 6836
0915d02c
JM		 6837static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
6838 int ifidx)
6839{
6840 struct nl_msg *msg;
6841
c6e8e8e4
JM		 6842 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
6843
2135f224
JM		 6844 /* stop listening for EAPOL on this interface */
6845 del_ifidx(drv, ifidx);
2135f224 6846
0915d02c
JM		 6847 msg = nlmsg_alloc();
6848 if (!msg)
6849 goto nla_put_failure;
6850
9fb04070 6851 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 6852 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx);
6853
6854 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
6855 return;
5883168a 6856 msg = NULL;
0915d02c 6857 nla_put_failure:
5883168a 6858 nlmsg_free(msg);
e748062b 6859 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 6860}
6861
6862
a1922f93
JM		 6863static const char * nl80211_iftype_str(enum nl80211_iftype mode)
6864{
6865 switch (mode) {
6866 case NL80211_IFTYPE_ADHOC:
6867 return "ADHOC";
6868 case NL80211_IFTYPE_STATION:
6869 return "STATION";
6870 case NL80211_IFTYPE_AP:
6871 return "AP";
1045ec36
JM		 6872 case NL80211_IFTYPE_AP_VLAN:
6873 return "AP_VLAN";
6874 case NL80211_IFTYPE_WDS:
6875 return "WDS";
a1922f93
JM		 6876 case NL80211_IFTYPE_MONITOR:
6877 return "MONITOR";
1045ec36
JM		 6878 case NL80211_IFTYPE_MESH_POINT:
6879 return "MESH_POINT";
a1922f93
JM		 6880 case NL80211_IFTYPE_P2P_CLIENT:
6881 return "P2P_CLIENT";
6882 case NL80211_IFTYPE_P2P_GO:
6883 return "P2P_GO";
7aad838c
NS		 6884 case NL80211_IFTYPE_P2P_DEVICE:
6885 return "P2P_DEVICE";
a1922f93
JM		 6886 default:
6887 return "unknown";
6888 }
6889}
6890
6891
a35187e7
KH		 6892static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
6893 const char *ifname,
6894 enum nl80211_iftype iftype,
d6dcfcda
DS		 6895 const u8 *addr, int wds,
6896 int (*handler)(struct nl_msg *, void *),
6897 void *arg)
0915d02c 6898{
8970bae8 6899 struct nl_msg *msg;
0915d02c
JM		 6900 int ifidx;
6901 int ret = -ENOBUFS;
6902
a1922f93
JM		 6903 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
6904 iftype, nl80211_iftype_str(iftype));
6905
0915d02c
JM		 6906 msg = nlmsg_alloc();
6907 if (!msg)
6908 return -1;
6909
9fb04070 6910 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE);
fa93de40
AS		 6911 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
6912 goto nla_put_failure;
0915d02c
JM		 6913 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
6914 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
6915
6916 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 6917 struct nlattr *flags;
0915d02c 6918
8970bae8 6919 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
0915d02c
JM		 6920 if (!flags)
6921 goto nla_put_failure;
6922
8970bae8 6923 NLA_PUT_FLAG(msg, NL80211_MNTR_FLAG_COOK_FRAMES);
0915d02c 6924
8970bae8 6925 nla_nest_end(msg, flags);
fbbfcbac
FF		 6926 } else if (wds) {
6927 NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds);
0915d02c
JM		 6928 }
6929
d6dcfcda 6930 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 6931 msg = NULL;
0915d02c
JM		 6932 if (ret) {
6933 nla_put_failure:
5883168a 6934 nlmsg_free(msg);
a35187e7
KH		 6935 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
6936 ifname, ret, strerror(-ret));
0915d02c
JM		 6937 return ret;
6938 }
6939
f632e483 6940 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 6941 return 0;
6bae92e0 6942
0915d02c 6943 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 6944 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
6945 ifname, ifidx);
0915d02c
JM		 6946
6947 if (ifidx <= 0)
6948 return -1;
6949
2135f224
JM		 6950 /* start listening for EAPOL on this interface */
6951 add_ifidx(drv, ifidx);
6952
7bfc47c3 6953 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 6954 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 6955 nl80211_remove_iface(drv, ifidx);
6956 return -1;
2135f224 6957 }
2135f224 6958
0915d02c
JM		 6959 return ifidx;
6960}
22a7c9d7
JM		 6961
6962
a35187e7
KH		 6963static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
6964 const char *ifname, enum nl80211_iftype iftype,
d6dcfcda
DS		 6965 const u8 *addr, int wds,
6966 int (*handler)(struct nl_msg *, void *),
6967 void *arg)
a35187e7
KH		 6968{
6969 int ret;
6970
d6dcfcda
DS		 6971 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
6972 arg);
a35187e7 6973
ffbf1eaa 6974 /* if error occurred and interface exists already */
a35187e7
KH		 6975 if (ret == -ENFILE && if_nametoindex(ifname)) {
6976 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
6977
6978 /* Try to remove the interface that was already there. */
6979 nl80211_remove_iface(drv, if_nametoindex(ifname));
6980
6981 /* Try to create the interface again */
fbbfcbac 6982 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 6983 wds, handler, arg);
a35187e7
KH		 6984 }
6985
6a71413e 6986 if (ret >= 0 && is_p2p_net_interface(iftype))
4e5cb1a3
JM		 6987 nl80211_disable_11b_rates(drv, ret, 1);
6988
a35187e7
KH		 6989 return ret;
6990}
0915d02c 6991
2135f224 6992
0915d02c
JM		 6993static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok)
6994{
6995 struct ieee80211_hdr *hdr;
f8b1f695
JM		 6996 u16 fc;
6997 union wpa_event_data event;
0915d02c
JM		 6998
6999 hdr = (struct ieee80211_hdr *) buf;
7000 fc = le_to_host16(hdr->frame_control);
7001
f8b1f695
JM		 7002 os_memset(&event, 0, sizeof(event));
7003 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
7004 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
7005 event.tx_status.dst = hdr->addr1;
7006 event.tx_status.data = buf;
7007 event.tx_status.data_len = len;
7008 event.tx_status.ack = ok;
7009 wpa_supplicant_event(ctx, EVENT_TX_STATUS, &event);
0915d02c
JM		 7010}
7011
7012
4b9841d3 7013static void from_unknown_sta(struct wpa_driver_nl80211_data *drv,
0d9fc3d8 7014 u8 *buf, size_t len)
0915d02c 7015{
9b90955e
JB		 7016 struct ieee80211_hdr *hdr = (void *)buf;
7017 u16 fc;
f8b1f695 7018 union wpa_event_data event;
9b90955e
JB		 7019
7020 if (len < sizeof(*hdr))
7021 return;
7022
7023 fc = le_to_host16(hdr->frame_control);
7024
f8b1f695 7025 os_memset(&event, 0, sizeof(event));
9b90955e
JB		 7026 event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len);
7027 event.rx_from_unknown.addr = hdr->addr2;
7028 event.rx_from_unknown.wds = (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) ==
7029 (WLAN_FC_FROMDS | WLAN_FC_TODS);
f8b1f695 7030 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
4b9841d3 7031}
0915d02c 7032
4b9841d3
JM		 7033
7034static void handle_frame(struct wpa_driver_nl80211_data *drv,
2a8b7416 7035 u8 *buf, size_t len, int datarate, int ssi_signal)
4b9841d3
JM		 7036{
7037 struct ieee80211_hdr *hdr;
f8b1f695
JM		 7038 u16 fc;
7039 union wpa_event_data event;
0915d02c
JM		 7040
7041 hdr = (struct ieee80211_hdr *) buf;
7042 fc = le_to_host16(hdr->frame_control);
0915d02c 7043
4b9841d3 7044 switch (WLAN_FC_GET_TYPE(fc)) {
0915d02c 7045 case WLAN_FC_TYPE_MGMT:
f8b1f695
JM		 7046 os_memset(&event, 0, sizeof(event));
7047 event.rx_mgmt.frame = buf;
7048 event.rx_mgmt.frame_len = len;
2a8b7416
JM		 7049 event.rx_mgmt.datarate = datarate;
7050 event.rx_mgmt.ssi_signal = ssi_signal;
f8b1f695 7051 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
0915d02c
JM		 7052 break;
7053 case WLAN_FC_TYPE_CTRL:
7054 /* can only get here with PS-Poll frames */
7055 wpa_printf(MSG_DEBUG, "CTRL");
0d9fc3d8 7056 from_unknown_sta(drv, buf, len);
0915d02c
JM		 7057 break;
7058 case WLAN_FC_TYPE_DATA:
0d9fc3d8 7059 from_unknown_sta(drv, buf, len);
0915d02c
JM		 7060 break;
7061 }
7062}
7063
7064
7065static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
7066{
7067 struct wpa_driver_nl80211_data *drv = eloop_ctx;
7068 int len;
7069 unsigned char buf[3000];
7070 struct ieee80211_radiotap_iterator iter;
7071 int ret;
2a8b7416 7072 int datarate = 0, ssi_signal = 0;
4b9841d3 7073 int injected = 0, failed = 0, rxflags = 0;
0915d02c
JM		 7074
7075 len = recv(sock, buf, sizeof(buf), 0);
7076 if (len < 0) {
7077 perror("recv");
7078 return;
7079 }
7080
7081 if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
7082 printf("received invalid radiotap frame\n");
7083 return;
7084 }
7085
0915d02c
JM		 7086 while (1) {
7087 ret = ieee80211_radiotap_iterator_next(&iter);
7088 if (ret == -ENOENT)
7089 break;
7090 if (ret) {
7091 printf("received invalid radiotap frame (%d)\n", ret);
7092 return;
7093 }
7094 switch (iter.this_arg_index) {
7095 case IEEE80211_RADIOTAP_FLAGS:
7096 if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS)
7097 len -= 4;
7098 break;
7099 case IEEE80211_RADIOTAP_RX_FLAGS:
7100 rxflags = 1;
7101 break;
7102 case IEEE80211_RADIOTAP_TX_FLAGS:
7103 injected = 1;
7104 failed = le_to_host16((*(uint16_t *) iter.this_arg)) &
7105 IEEE80211_RADIOTAP_F_TX_FAIL;
7106 break;
7107 case IEEE80211_RADIOTAP_DATA_RETRIES:
7108 break;
7109 case IEEE80211_RADIOTAP_CHANNEL:
2a8b7416 7110 /* TODO: convert from freq/flags to channel number */
0915d02c
JM		 7111 break;
7112 case IEEE80211_RADIOTAP_RATE:
2a8b7416 7113 datarate = *iter.this_arg * 5;
0915d02c 7114 break;
baf513d6
JB		 7115 case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
7116 ssi_signal = (s8) *iter.this_arg;
0915d02c
JM		 7117 break;
7118 }
7119 }
7120
7121 if (rxflags && injected)
7122 return;
7123
7124 if (!injected)
4b9841d3 7125 handle_frame(drv, buf + iter.max_length,
2a8b7416 7126 len - iter.max_length, datarate, ssi_signal);
0915d02c 7127 else
4b9841d3
JM		 7128 handle_tx_callback(drv->ctx, buf + iter.max_length,
7129 len - iter.max_length, !failed);
0915d02c
JM		 7130}
7131
7132
7133/*
7134 * we post-process the filter code later and rewrite
7135 * this to the offset to the last instruction
7136 */
7137#define PASS 0xFF
7138#define FAIL 0xFE
7139
7140static struct sock_filter msock_filter_insns[] = {
7141 /*
7142 * do a little-endian load of the radiotap length field
7143 */
7144 /* load lower byte into A */
7145 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
7146 /* put it into X (== index register) */
7147 BPF_STMT(BPF_MISC| BPF_TAX, 0),
7148 /* load upper byte into A */
7149 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 3),
7150 /* left-shift it by 8 */
7151 BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8),
7152 /* or with X */
7153 BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0),
7154 /* put result into X */
7155 BPF_STMT(BPF_MISC| BPF_TAX, 0),
7156
7157 /*
7158 * Allow management frames through, this also gives us those
7159 * management frames that we sent ourselves with status
7160 */
7161 /* load the lower byte of the IEEE 802.11 frame control field */
7162 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7163 /* mask off frame type and version */
7164 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF),
7165 /* accept frame if it's both 0, fall through otherwise */
7166 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0),
7167
7168 /*
7169 * TODO: add a bit to radiotap RX flags that indicates
7170 * that the sending station is not associated, then
7171 * add a filter here that filters on our DA and that flag
7172 * to allow us to deauth frames to that bad station.
7173 *
65ae1afd 7174 * For now allow all To DS data frames through.
0915d02c 7175 */
65ae1afd
HS		 7176 /* load the IEEE 802.11 frame control field */
7177 BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0),
7178 /* mask off frame type, version and DS status */
7179 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03),
7180 /* accept frame if version 0, type 2 and To DS, fall through otherwise
7181 */
7182 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0),
0915d02c
JM		 7183
7184#if 0
7185 /*
fbbfcbac 7186 * drop non-data frames
0915d02c
JM		 7187 */
7188 /* load the lower byte of the frame control field */
7189 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7190 /* mask off QoS bit */
7191 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c),
7192 /* drop non-data frames */
7193 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL),
fbbfcbac 7194#endif
0915d02c 7195 /* load the upper byte of the frame control field */
fbbfcbac 7196 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1),
0915d02c
JM		 7197 /* mask off toDS/fromDS */
7198 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03),
fbbfcbac
FF		 7199 /* accept WDS frames */
7200 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0),
0915d02c
JM		 7201
7202 /*
7203 * add header length to index
7204 */
7205 /* load the lower byte of the frame control field */
7206 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7207 /* mask off QoS bit */
7208 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x80),
7209 /* right shift it by 6 to give 0 or 2 */
7210 BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 6),
7211 /* add data frame header length */
7212 BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 24),
7213 /* add index, was start of 802.11 header */
7214 BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
7215 /* move to index, now start of LL header */
7216 BPF_STMT(BPF_MISC | BPF_TAX, 0),
7217
7218 /*
7219 * Accept empty data frames, we use those for
7220 * polling activity.
7221 */
7222 BPF_STMT(BPF_LD | BPF_W | BPF_LEN, 0),
7223 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0),
7224
7225 /*
7226 * Accept EAPOL frames
7227 */
7228 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0),
7229 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL),
7230 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 4),
7231 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL),
7232
7233 /* keep these last two statements or change the code below */
7234 /* return 0 == "DROP" */
7235 BPF_STMT(BPF_RET | BPF_K, 0),
7236 /* return ~0 == "keep all" */
7237 BPF_STMT(BPF_RET | BPF_K, ~0),
7238};
7239
7240static struct sock_fprog msock_filter = {
e7ecab4a 7241 .len = ARRAY_SIZE(msock_filter_insns),
0915d02c
JM		 7242 .filter = msock_filter_insns,
7243};
7244
7245
7246static int add_monitor_filter(int s)
7247{
7248 int idx;
7249
7250 /* rewrite all PASS/FAIL jump offsets */
7251 for (idx = 0; idx < msock_filter.len; idx++) {
7252 struct sock_filter *insn = &msock_filter_insns[idx];
7253
7254 if (BPF_CLASS(insn->code) == BPF_JMP) {
7255 if (insn->code == (BPF_JMP|BPF_JA)) {
7256 if (insn->k == PASS)
7257 insn->k = msock_filter.len - idx - 2;
7258 else if (insn->k == FAIL)
7259 insn->k = msock_filter.len - idx - 3;
7260 }
7261
7262 if (insn->jt == PASS)
7263 insn->jt = msock_filter.len - idx - 2;
7264 else if (insn->jt == FAIL)
7265 insn->jt = msock_filter.len - idx - 3;
7266
7267 if (insn->jf == PASS)
7268 insn->jf = msock_filter.len - idx - 2;
7269 else if (insn->jf == FAIL)
7270 insn->jf = msock_filter.len - idx - 3;
7271 }
7272 }
7273
7274 if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER,
7275 &msock_filter, sizeof(msock_filter))) {
7276 perror("SO_ATTACH_FILTER");
7277 return -1;
7278 }
7279
7280 return 0;
7281}
7282
7283
460456f8
JM		 7284static void nl80211_remove_monitor_interface(
7285 struct wpa_driver_nl80211_data *drv)
7286{
3fd1cefb
JB		 7287 drv->monitor_refcount--;
7288 if (drv->monitor_refcount > 0)
7289 return;
7290
460456f8
JM		 7291 if (drv->monitor_ifidx >= 0) {
7292 nl80211_remove_iface(drv, drv->monitor_ifidx);
7293 drv->monitor_ifidx = -1;
7294 }
504e905c
JM		 7295 if (drv->monitor_sock >= 0) {
7296 eloop_unregister_read_sock(drv->monitor_sock);
7297 close(drv->monitor_sock);
7298 drv->monitor_sock = -1;
7299 }
460456f8
JM		 7300}
7301
7302
0915d02c
JM		 7303static int
7304nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
7305{
7306 char buf[IFNAMSIZ];
7307 struct sockaddr_ll ll;
7308 int optval;
7309 socklen_t optlen;
0915d02c 7310
3fd1cefb
JB		 7311 if (drv->monitor_ifidx >= 0) {
7312 drv->monitor_refcount++;
7313 return 0;
7314 }
7315
6758b167
JJ		 7316 if (os_strncmp(drv->first_bss.ifname, "p2p-", 4) == 0) {
7317 /*
7318 * P2P interface name is of the format p2p-%s-%d. For monitor
7319 * interface name corresponding to P2P GO, replace "p2p-" with
7320 * "mon-" to retain the same interface name length and to
7321 * indicate that it is a monitor interface.
7322 */
7323 snprintf(buf, IFNAMSIZ, "mon-%s", drv->first_bss.ifname + 4);
7324 } else {
7325 /* Non-P2P interface with AP functionality. */
7326 snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss.ifname);
7327 }
7328
0915d02c
JM		 7329 buf[IFNAMSIZ - 1] = '\0';
7330
7331 drv->monitor_ifidx =
fbbfcbac 7332 nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL,
d6dcfcda 7333 0, NULL, NULL);
0915d02c 7334
866af8b6 7335 if (drv->monitor_ifidx == -EOPNOTSUPP) {
61cbe2ff
JB		 7336 /*
7337 * This is backward compatibility for a few versions of
7338 * the kernel only that didn't advertise the right
7339 * attributes for the only driver that then supported
7340 * AP mode w/o monitor -- ath6kl.
7341 */
866af8b6
JM		 7342 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support "
7343 "monitor interface type - try to run without it");
61cbe2ff 7344 drv->device_ap_sme = 1;
866af8b6
JM		 7345 }
7346
0915d02c
JM		 7347 if (drv->monitor_ifidx < 0)
7348 return -1;
7349
c81eff1a 7350 if (linux_set_iface_flags(drv->global->ioctl_sock, buf, 1))
0915d02c 7351 goto error;
0915d02c
JM		 7352
7353 memset(&ll, 0, sizeof(ll));
7354 ll.sll_family = AF_PACKET;
7355 ll.sll_ifindex = drv->monitor_ifidx;
7356 drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
7357 if (drv->monitor_sock < 0) {
7358 perror("socket[PF_PACKET,SOCK_RAW]");
7359 goto error;
7360 }
7361
7362 if (add_monitor_filter(drv->monitor_sock)) {
7363 wpa_printf(MSG_INFO, "Failed to set socket filter for monitor "
7364 "interface; do filtering in user space");
7365 /* This works, but will cost in performance. */
7366 }
7367
2135f224 7368 if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
0915d02c
JM		 7369 perror("monitor socket bind");
7370 goto error;
7371 }
7372
7373 optlen = sizeof(optval);
7374 optval = 20;
7375 if (setsockopt
7376 (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) {
7377 perror("Failed to set socket priority");
7378 goto error;
7379 }
7380
7381 if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read,
7382 drv, NULL)) {
7383 printf("Could not register monitor read socket\n");
7384 goto error;
7385 }
7386
7387 return 0;
7388 error:
460456f8 7389 nl80211_remove_monitor_interface(drv);
0915d02c
JM		 7390 return -1;
7391}
7392
db149ac9 7393
3fd1cefb
JB		 7394static int nl80211_setup_ap(struct i802_bss *bss)
7395{
7396 struct wpa_driver_nl80211_data *drv = bss->drv;
7397
36488c05
JM		 7398 wpa_printf(MSG_DEBUG, "nl80211: Setup AP - device_ap_sme=%d "
7399 "use_monitor=%d", drv->device_ap_sme, drv->use_monitor);
7400
a11241fa
JB		 7401 /*
7402 * Disable Probe Request reporting unless we need it in this way for
7403 * devices that include the AP SME, in the other case (unless using
7404 * monitor iface) we'll get it through the nl_mgmt socket instead.
7405 */
7406 if (!drv->device_ap_sme)
7407 wpa_driver_nl80211_probe_req_report(bss, 0);
7408
7409 if (!drv->device_ap_sme && !drv->use_monitor)
7410 if (nl80211_mgmt_subscribe_ap(bss))
7411 return -1;
7412
a6cc0602
JM		 7413 if (drv->device_ap_sme && !drv->use_monitor)
7414 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
7415 return -1;
7416
a11241fa 7417 if (!drv->device_ap_sme && drv->use_monitor &&
3fd1cefb
JB		 7418 nl80211_create_monitor_interface(drv) &&
7419 !drv->device_ap_sme)
7420 return -1;
7421
7422 if (drv->device_ap_sme &&
7423 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
7424 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
7425 "Probe Request frame reporting in AP mode");
7426 /* Try to survive without this */
7427 }
7428
7429 return 0;
7430}
7431
7432
7433static void nl80211_teardown_ap(struct i802_bss *bss)
7434{
7435 struct wpa_driver_nl80211_data *drv = bss->drv;
7436
a6cc0602 7437 if (drv->device_ap_sme) {
3fd1cefb 7438 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 7439 if (!drv->use_monitor)
7440 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
7441 } else if (drv->use_monitor)
3fd1cefb 7442 nl80211_remove_monitor_interface(drv);
a11241fa 7443 else
36488c05 7444 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 7445
3fd1cefb
JB		 7446 bss->beacon_set = 0;
7447}
7448
7449
f10bfc9a
JM		 7450static int nl80211_send_eapol_data(struct i802_bss *bss,
7451 const u8 *addr, const u8 *data,
d12dab4c 7452 size_t data_len)
f10bfc9a 7453{
d12dab4c
JB		 7454 struct sockaddr_ll ll;
7455 int ret;
7456
7457 if (bss->drv->eapol_tx_sock < 0) {
7458 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 7459 return -1;
7460 }
7461
d12dab4c
JB		 7462 os_memset(&ll, 0, sizeof(ll));
7463 ll.sll_family = AF_PACKET;
7464 ll.sll_ifindex = bss->ifindex;
7465 ll.sll_protocol = htons(ETH_P_PAE);
7466 ll.sll_halen = ETH_ALEN;
7467 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
7468 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
7469 (struct sockaddr *) &ll, sizeof(ll));
7470 if (ret < 0)
7471 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
7472 strerror(errno));
7473
7474 return ret;
f10bfc9a 7475}
5fb1a232 7476
f10bfc9a 7477
db149ac9
JM		 7478static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
7479
7480static int wpa_driver_nl80211_hapd_send_eapol(
7481 void *priv, const u8 *addr, const u8 *data,
4378fc14 7482 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 7483{
a2e40bb6
FF		 7484 struct i802_bss *bss = priv;
7485 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 7486 struct ieee80211_hdr *hdr;
7487 size_t len;
7488 u8 *pos;
7489 int res;
4378fc14 7490 int qos = flags & WPA_STA_WMM;
db149ac9 7491
a11241fa 7492 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 7493 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 7494
db149ac9
JM		 7495 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
7496 data_len;
7497 hdr = os_zalloc(len);
7498 if (hdr == NULL) {
7499 printf("malloc() failed for i802_send_data(len=%lu)\n",
7500 (unsigned long) len);
7501 return -1;
7502 }
7503
7504 hdr->frame_control =
7505 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
7506 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
7507 if (encrypt)
7508 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 7509 if (qos) {
7510 hdr->frame_control |=
7511 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
7512 }
db149ac9
JM		 7513
7514 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
7515 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
7516 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
7517 pos = (u8 *) (hdr + 1);
7518
db149ac9 7519 if (qos) {
92d521d8
FF		 7520 /* Set highest priority in QoS header */
7521 pos[0] = 7;
db149ac9
JM		 7522 pos[1] = 0;
7523 pos += 2;
7524 }
db149ac9
JM		 7525
7526 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
7527 pos += sizeof(rfc1042_header);
7528 WPA_PUT_BE16(pos, ETH_P_PAE);
7529 pos += 2;
7530 memcpy(pos, data, data_len);
7531
55231068
JM		 7532 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
7533 0, 0, 0, 0);
db149ac9
JM		 7534 if (res < 0) {
7535 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
7536 "failed: %d (%s)",
7537 (unsigned long) len, errno, strerror(errno));
7538 }
7bf12757 7539 os_free(hdr);
db149ac9
JM		 7540
7541 return res;
7542}
7543
a8d6ffa4 7544
3234cba4
JM		 7545static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
7546 int total_flags,
4c32757d 7547 int flags_or, int flags_and)
a8d6ffa4 7548{
a2e40bb6
FF		 7549 struct i802_bss *bss = priv;
7550 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7551 struct nl_msg *msg;
7552 struct nlattr *flags;
7e76ee9c 7553 struct nl80211_sta_flag_update upd;
a8d6ffa4
JM		 7554
7555 msg = nlmsg_alloc();
7556 if (!msg)
7557 return -ENOMEM;
7558
9fb04070 7559 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
a8d6ffa4
JM		 7560
7561 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
3234cba4 7562 if_nametoindex(bss->ifname));
a8d6ffa4
JM		 7563 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7564
7e76ee9c
JM		 7565 /*
7566 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
7567 * can be removed eventually.
7568 */
8970bae8
JB		 7569 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
7570 if (!flags)
7571 goto nla_put_failure;
0de39516 7572 if (total_flags & WPA_STA_AUTHORIZED)
8970bae8 7573 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_AUTHORIZED);
a8d6ffa4 7574
0de39516 7575 if (total_flags & WPA_STA_WMM)
8970bae8 7576 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_WME);
a8d6ffa4 7577
0de39516 7578 if (total_flags & WPA_STA_SHORT_PREAMBLE)
8970bae8 7579 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_SHORT_PREAMBLE);
a8d6ffa4 7580
0de39516 7581 if (total_flags & WPA_STA_MFP)
8970bae8 7582 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_MFP);
a8d6ffa4 7583
45b722f1 7584 if (total_flags & WPA_STA_TDLS_PEER)
8970bae8 7585 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_TDLS_PEER);
45b722f1 7586
8970bae8 7587 nla_nest_end(msg, flags);
a8d6ffa4 7588
7e76ee9c
JM		 7589 os_memset(&upd, 0, sizeof(upd));
7590 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
7591 upd.set = sta_flags_nl80211(flags_or);
7592 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
7593
a8d6ffa4
JM		 7594 return send_and_recv_msgs(drv, msg, NULL, NULL);
7595 nla_put_failure:
5883168a 7596 nlmsg_free(msg);
a8d6ffa4
JM		 7597 return -ENOBUFS;
7598}
7599
0915d02c 7600
1581b38b
JM		 7601static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
7602 struct wpa_driver_associate_params *params)
7603{
708bc8e0 7604 enum nl80211_iftype nlmode, old_mode;
89b800d7
JB		 7605 struct hostapd_freq_params freq = {
7606 .freq = params->freq,
7607 };
b1f625e0
EP		 7608
7609 if (params->p2p) {
046b26a2
JM		 7610 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
7611 "group (GO)");
b1f625e0
EP		 7612 nlmode = NL80211_IFTYPE_P2P_GO;
7613 } else
7614 nlmode = NL80211_IFTYPE_AP;
7615
708bc8e0
JM		 7616 old_mode = drv->nlmode;
7617 if (wpa_driver_nl80211_set_mode(&drv->first_bss, nlmode)) {
7618 nl80211_remove_monitor_interface(drv);
7619 return -1;
7620 }
7621
89b800d7 7622 if (wpa_driver_nl80211_set_freq(&drv->first_bss, &freq)) {
708bc8e0
JM		 7623 if (old_mode != nlmode)
7624 wpa_driver_nl80211_set_mode(&drv->first_bss, old_mode);
460456f8 7625 nl80211_remove_monitor_interface(drv);
1581b38b 7626 return -1;
0915d02c 7627 }
1581b38b 7628
1581b38b
JM		 7629 return 0;
7630}
1581b38b
JM		 7631
7632
5cc4d64b
JM		 7633static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv)
7634{
7635 struct nl_msg *msg;
7636 int ret = -1;
7637
7638 msg = nlmsg_alloc();
7639 if (!msg)
7640 return -1;
7641
9fb04070 7642 nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b
JM		 7643 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7644 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7645 msg = NULL;
7646 if (ret) {
7647 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
7648 "(%s)", ret, strerror(-ret));
7649 goto nla_put_failure;
7650 }
7651
7652 ret = 0;
7653 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully");
7654
7655nla_put_failure:
5d4c78fb
JM		 7656 if (wpa_driver_nl80211_set_mode(&drv->first_bss,
7657 NL80211_IFTYPE_STATION)) {
7658 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
7659 "station mode");
7660 }
7661
5cc4d64b
JM		 7662 nlmsg_free(msg);
7663 return ret;
7664}
7665
7666
7667static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
7668 struct wpa_driver_associate_params *params)
7669{
7670 struct nl_msg *msg;
7671 int ret = -1;
7672 int count = 0;
7673
7674 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
7675
b1f625e0
EP		 7676 if (wpa_driver_nl80211_set_mode(&drv->first_bss,
7677 NL80211_IFTYPE_ADHOC)) {
5cc4d64b
JM		 7678 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
7679 "IBSS mode");
7680 return -1;
7681 }
7682
7683retry:
7684 msg = nlmsg_alloc();
7685 if (!msg)
7686 return -1;
7687
9fb04070 7688 nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS);
5cc4d64b
JM		 7689 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7690
7691 if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
7692 goto nla_put_failure;
7693
7694 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7695 params->ssid, params->ssid_len);
7696 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7697 params->ssid);
7698 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
7699 drv->ssid_len = params->ssid_len;
7700
7701 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7702 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
7703
7704 ret = nl80211_set_conn_keys(params, msg);
7705 if (ret)
7706 goto nla_put_failure;
7707
913e3cf7
NC		 7708 if (params->bssid && params->fixed_bssid) {
7709 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
7710 MAC2STR(params->bssid));
7711 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7712 }
7713
e640888c
AQ		 7714 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
7715 params->key_mgmt_suite == KEY_MGMT_PSK ||
7716 params->key_mgmt_suite == KEY_MGMT_802_1X_SHA256 ||
7717 params->key_mgmt_suite == KEY_MGMT_PSK_SHA256) {
7718 wpa_printf(MSG_DEBUG, " * control port");
7719 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
7720 }
7721
a95795ad
JM		 7722 if (params->wpa_ie) {
7723 wpa_hexdump(MSG_DEBUG,
7724 " * Extra IEs for Beacon/Probe Response frames",
7725 params->wpa_ie, params->wpa_ie_len);
7726 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
7727 params->wpa_ie);
7728 }
7729
5cc4d64b
JM		 7730 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7731 msg = NULL;
7732 if (ret) {
7733 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
7734 ret, strerror(-ret));
7735 count++;
7736 if (ret == -EALREADY && count == 1) {
7737 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
7738 "forced leave");
7739 nl80211_leave_ibss(drv);
7740 nlmsg_free(msg);
7741 goto retry;
7742 }
7743
7744 goto nla_put_failure;
7745 }
7746 ret = 0;
7747 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully");
7748
7749nla_put_failure:
7750 nlmsg_free(msg);
7751 return ret;
7752}
7753
7754
a8c5b43a 7755static int wpa_driver_nl80211_try_connect(
cfaab580
ZY		 7756 struct wpa_driver_nl80211_data *drv,
7757 struct wpa_driver_associate_params *params)
7758{
7759 struct nl_msg *msg;
7760 enum nl80211_auth_type type;
7761 int ret = 0;
3f360238 7762 int algs;
cfaab580
ZY		 7763
7764 msg = nlmsg_alloc();
7765 if (!msg)
7766 return -1;
7767
7768 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
9fb04070 7769 nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT);
cfaab580
ZY		 7770
7771 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7772 if (params->bssid) {
7773 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
7774 MAC2STR(params->bssid));
7775 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7776 }
7777 if (params->freq) {
7778 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7779 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
30158a0d
SD		 7780 drv->assoc_freq = params->freq;
7781 } else
7782 drv->assoc_freq = 0;
1f6c0ab8
BS		 7783 if (params->bg_scan_period >= 0) {
7784 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
7785 params->bg_scan_period);
7786 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
7787 params->bg_scan_period);
7788 }
cfaab580
ZY		 7789 if (params->ssid) {
7790 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7791 params->ssid, params->ssid_len);
7792 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7793 params->ssid);
7794 if (params->ssid_len > sizeof(drv->ssid))
7795 goto nla_put_failure;
7796 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
7797 drv->ssid_len = params->ssid_len;
7798 }
7799 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
7800 if (params->wpa_ie)
7801 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
7802 params->wpa_ie);
7803
3f360238
JM		 7804 algs = 0;
7805 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
7806 algs++;
7807 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
7808 algs++;
7809 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
7810 algs++;
7811 if (algs > 1) {
7812 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
7813 "selection");
7814 goto skip_auth_type;
7815 }
7816
abd9fafa 7817 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
cfaab580 7818 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 7819 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
cfaab580 7820 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 7821 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
cfaab580 7822 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 7823 else if (params->auth_alg & WPA_AUTH_ALG_FT)
cfaab580
ZY		 7824 type = NL80211_AUTHTYPE_FT;
7825 else
7826 goto nla_put_failure;
7827
7828 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
7829 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
7830
3f360238 7831skip_auth_type:
64fa840a
JM		 7832 if (params->wpa_proto) {
7833 enum nl80211_wpa_versions ver = 0;
cfaab580 7834
64fa840a
JM		 7835 if (params->wpa_proto & WPA_PROTO_WPA)
7836 ver |= NL80211_WPA_VERSION_1;
7837 if (params->wpa_proto & WPA_PROTO_RSN)
7838 ver |= NL80211_WPA_VERSION_2;
cfaab580 7839
64fa840a 7840 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
cfaab580
ZY		 7841 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
7842 }
7843
7844 if (params->pairwise_suite != CIPHER_NONE) {
c1bb3e0a 7845 int cipher;
cfaab580
ZY		 7846
7847 switch (params->pairwise_suite) {
369c8d7b
JM		 7848 case CIPHER_SMS4:
7849 cipher = WLAN_CIPHER_SUITE_SMS4;
7850 break;
cfaab580
ZY		 7851 case CIPHER_WEP40:
7852 cipher = WLAN_CIPHER_SUITE_WEP40;
7853 break;
7854 case CIPHER_WEP104:
7855 cipher = WLAN_CIPHER_SUITE_WEP104;
7856 break;
7857 case CIPHER_CCMP:
7858 cipher = WLAN_CIPHER_SUITE_CCMP;
7859 break;
eb7719ff
JM		 7860 case CIPHER_GCMP:
7861 cipher = WLAN_CIPHER_SUITE_GCMP;
7862 break;
cfaab580
ZY		 7863 case CIPHER_TKIP:
7864 default:
7865 cipher = WLAN_CIPHER_SUITE_TKIP;
7866 break;
7867 }
7868 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
7869 }
7870
7871 if (params->group_suite != CIPHER_NONE) {
c1bb3e0a 7872 int cipher;
cfaab580
ZY		 7873
7874 switch (params->group_suite) {
369c8d7b
JM		 7875 case CIPHER_SMS4:
7876 cipher = WLAN_CIPHER_SUITE_SMS4;
7877 break;
cfaab580
ZY		 7878 case CIPHER_WEP40:
7879 cipher = WLAN_CIPHER_SUITE_WEP40;
7880 break;
7881 case CIPHER_WEP104:
7882 cipher = WLAN_CIPHER_SUITE_WEP104;
7883 break;
7884 case CIPHER_CCMP:
7885 cipher = WLAN_CIPHER_SUITE_CCMP;
7886 break;
eb7719ff
JM		 7887 case CIPHER_GCMP:
7888 cipher = WLAN_CIPHER_SUITE_GCMP;
7889 break;
cfaab580
ZY		 7890 case CIPHER_TKIP:
7891 default:
7892 cipher = WLAN_CIPHER_SUITE_TKIP;
7893 break;
7894 }
7895 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
7896 }
7897
7898 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
369c8d7b 7899 params->key_mgmt_suite == KEY_MGMT_PSK ||
6a1ce395
DG		 7900 params->key_mgmt_suite == KEY_MGMT_FT_802_1X ||
7901 params->key_mgmt_suite == KEY_MGMT_FT_PSK ||
369c8d7b 7902 params->key_mgmt_suite == KEY_MGMT_CCKM) {
cfaab580
ZY		 7903 int mgmt = WLAN_AKM_SUITE_PSK;
7904
7905 switch (params->key_mgmt_suite) {
369c8d7b
JM		 7906 case KEY_MGMT_CCKM:
7907 mgmt = WLAN_AKM_SUITE_CCKM;
7908 break;
cfaab580
ZY		 7909 case KEY_MGMT_802_1X:
7910 mgmt = WLAN_AKM_SUITE_8021X;
7911 break;
6a1ce395
DG		 7912 case KEY_MGMT_FT_802_1X:
7913 mgmt = WLAN_AKM_SUITE_FT_8021X;
7914 break;
7915 case KEY_MGMT_FT_PSK:
7916 mgmt = WLAN_AKM_SUITE_FT_PSK;
7917 break;
cfaab580
ZY		 7918 case KEY_MGMT_PSK:
7919 default:
7920 mgmt = WLAN_AKM_SUITE_PSK;
7921 break;
7922 }
7923 NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt);
7924 }
7925
8b706a99
JM		 7926#ifdef CONFIG_IEEE80211W
7927 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
7928 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
7929#endif /* CONFIG_IEEE80211W */
7930
80e8a5ee
BG		 7931 if (params->disable_ht)
7932 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
7933
7934 if (params->htcaps && params->htcaps_mask) {
7935 int sz = sizeof(struct ieee80211_ht_capabilities);
7936 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
7937 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
7938 params->htcaps_mask);
7939 }
7940
e9ee8dc3
JB		 7941#ifdef CONFIG_VHT_OVERRIDES
7942 if (params->disable_vht) {
7943 wpa_printf(MSG_DEBUG, " * VHT disabled");
7944 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT);
7945 }
7946
7947 if (params->vhtcaps && params->vhtcaps_mask) {
7948 int sz = sizeof(struct ieee80211_vht_capabilities);
7949 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps);
7950 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
7951 params->vhtcaps_mask);
7952 }
7953#endif /* CONFIG_VHT_OVERRIDES */
7954
cfaab580
ZY		 7955 ret = nl80211_set_conn_keys(params, msg);
7956 if (ret)
7957 goto nla_put_failure;
7958
7959 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7960 msg = NULL;
7961 if (ret) {
7962 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
7963 "(%s)", ret, strerror(-ret));
7964 goto nla_put_failure;
7965 }
7966 ret = 0;
7967 wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully");
7968
7969nla_put_failure:
7970 nlmsg_free(msg);
7971 return ret;
7972
7973}
7974
7975
a8c5b43a
CW		 7976static int wpa_driver_nl80211_connect(
7977 struct wpa_driver_nl80211_data *drv,
7978 struct wpa_driver_associate_params *params)
7979{
7980 int ret = wpa_driver_nl80211_try_connect(drv, params);
7981 if (ret == -EALREADY) {
7982 /*
7983 * cfg80211 does not currently accept new connections if
7984 * we are already connected. As a workaround, force
7985 * disconnection and try again.
7986 */
7987 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
7988 "disconnecting before reassociation "
7989 "attempt");
7990 if (wpa_driver_nl80211_disconnect(
7991 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
7992 return -1;
a8c5b43a
CW		 7993 ret = wpa_driver_nl80211_try_connect(drv, params);
7994 }
7995 return ret;
7996}
7997
7998
c2a04078
JM		 7999static int wpa_driver_nl80211_associate(
8000 void *priv, struct wpa_driver_associate_params *params)
8001{
a2e40bb6
FF		 8002 struct i802_bss *bss = priv;
8003 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 8004 int ret = -1;
8005 struct nl_msg *msg;
8006
5cc4d64b 8007 if (params->mode == IEEE80211_MODE_AP)
1581b38b 8008 return wpa_driver_nl80211_ap(drv, params);
1581b38b 8009
5cc4d64b
JM		 8010 if (params->mode == IEEE80211_MODE_IBSS)
8011 return wpa_driver_nl80211_ibss(drv, params);
8012
4a867032 8013 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 8014 enum nl80211_iftype nlmode = params->p2p ?
8015 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
8016
8017 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 8018 return -1;
cfaab580 8019 return wpa_driver_nl80211_connect(drv, params);
4a867032 8020 }
cfaab580 8021
add9b7a4 8022 nl80211_mark_disconnected(drv);
c2a04078
JM		 8023
8024 msg = nlmsg_alloc();
8025 if (!msg)
8026 return -1;
8027
8028 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
8029 drv->ifindex);
9fb04070 8030 nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE);
c2a04078
JM		 8031
8032 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8033 if (params->bssid) {
8034 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
8035 MAC2STR(params->bssid));
8036 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
8037 }
8038 if (params->freq) {
8039 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
8040 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
4832ecd7
JM		 8041 drv->assoc_freq = params->freq;
8042 } else
8043 drv->assoc_freq = 0;
1f6c0ab8
BS		 8044 if (params->bg_scan_period >= 0) {
8045 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
8046 params->bg_scan_period);
8047 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
8048 params->bg_scan_period);
8049 }
c2a04078
JM		 8050 if (params->ssid) {
8051 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
8052 params->ssid, params->ssid_len);
8053 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
8054 params->ssid);
fd05d64e
JM		 8055 if (params->ssid_len > sizeof(drv->ssid))
8056 goto nla_put_failure;
8057 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
8058 drv->ssid_len = params->ssid_len;
c2a04078
JM		 8059 }
8060 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
8061 if (params->wpa_ie)
8062 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
8063 params->wpa_ie);
8064
aca01605
JM		 8065 if (params->pairwise_suite != CIPHER_NONE) {
8066 int cipher;
8067
8068 switch (params->pairwise_suite) {
8069 case CIPHER_WEP40:
8070 cipher = WLAN_CIPHER_SUITE_WEP40;
8071 break;
8072 case CIPHER_WEP104:
8073 cipher = WLAN_CIPHER_SUITE_WEP104;
8074 break;
8075 case CIPHER_CCMP:
8076 cipher = WLAN_CIPHER_SUITE_CCMP;
8077 break;
eb7719ff
JM		 8078 case CIPHER_GCMP:
8079 cipher = WLAN_CIPHER_SUITE_GCMP;
8080 break;
aca01605
JM		 8081 case CIPHER_TKIP:
8082 default:
8083 cipher = WLAN_CIPHER_SUITE_TKIP;
8084 break;
8085 }
79c3124c 8086 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
aca01605
JM		 8087 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
8088 }
8089
8090 if (params->group_suite != CIPHER_NONE) {
8091 int cipher;
8092
8093 switch (params->group_suite) {
8094 case CIPHER_WEP40:
8095 cipher = WLAN_CIPHER_SUITE_WEP40;
8096 break;
8097 case CIPHER_WEP104:
8098 cipher = WLAN_CIPHER_SUITE_WEP104;
8099 break;
8100 case CIPHER_CCMP:
8101 cipher = WLAN_CIPHER_SUITE_CCMP;
8102 break;
eb7719ff
JM		 8103 case CIPHER_GCMP:
8104 cipher = WLAN_CIPHER_SUITE_GCMP;
8105 break;
aca01605
JM		 8106 case CIPHER_TKIP:
8107 default:
8108 cipher = WLAN_CIPHER_SUITE_TKIP;
8109 break;
8110 }
79c3124c 8111 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
aca01605
JM		 8112 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
8113 }
8114
e572fa33
JM		 8115#ifdef CONFIG_IEEE80211W
8116 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
8117 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
8118#endif /* CONFIG_IEEE80211W */
8119
01652550
JM		 8120 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
8121
62fa124c
JM		 8122 if (params->prev_bssid) {
8123 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
8124 MAC2STR(params->prev_bssid));
8125 NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
8126 params->prev_bssid);
8127 }
8128
80e8a5ee
BG		 8129 if (params->disable_ht)
8130 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
8131
8132 if (params->htcaps && params->htcaps_mask) {
8133 int sz = sizeof(struct ieee80211_ht_capabilities);
8134 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
8135 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
8136 params->htcaps_mask);
8137 }
8138
e9ee8dc3
JB		 8139#ifdef CONFIG_VHT_OVERRIDES
8140 if (params->disable_vht) {
8141 wpa_printf(MSG_DEBUG, " * VHT disabled");
8142 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT);
8143 }
8144
8145 if (params->vhtcaps && params->vhtcaps_mask) {
8146 int sz = sizeof(struct ieee80211_vht_capabilities);
8147 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps);
8148 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
8149 params->vhtcaps_mask);
8150 }
8151#endif /* CONFIG_VHT_OVERRIDES */
8152
046b26a2
JM		 8153 if (params->p2p)
8154 wpa_printf(MSG_DEBUG, " * P2P group");
8155
c2a04078
JM		 8156 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8157 msg = NULL;
8158 if (ret) {
3b7ea880
BG		 8159 wpa_dbg(drv->ctx, MSG_DEBUG,
8160 "nl80211: MLME command failed (assoc): ret=%d (%s)",
8161 ret, strerror(-ret));
8856462d 8162 nl80211_dump_scan(drv);
c2a04078
JM		 8163 goto nla_put_failure;
8164 }
8165 ret = 0;
8166 wpa_printf(MSG_DEBUG, "nl80211: Association request send "
8167 "successfully");
8168
8169nla_put_failure:
8170 nlmsg_free(msg);
8171 return ret;
8172}
3f5285e8
JM		 8173
8174
ad1e68e6 8175static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 8176 int ifindex, enum nl80211_iftype mode)
3f5285e8 8177{
3f5285e8 8178 struct nl_msg *msg;
ad1e68e6
JM		 8179 int ret = -ENOBUFS;
8180
a1922f93
JM		 8181 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
8182 ifindex, mode, nl80211_iftype_str(mode));
8183
ad1e68e6
JM		 8184 msg = nlmsg_alloc();
8185 if (!msg)
8186 return -ENOMEM;
8187
9fb04070 8188 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE);
f632e483
AS		 8189 if (nl80211_set_iface_id(msg, &drv->first_bss) < 0)
8190 goto nla_put_failure;
ad1e68e6
JM		 8191 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
8192
8193 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8194 msg = NULL;
ad1e68e6
JM		 8195 if (!ret)
8196 return 0;
8197nla_put_failure:
5883168a 8198 nlmsg_free(msg);
ad1e68e6
JM		 8199 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
8200 " %d (%s)", ifindex, mode, ret, strerror(-ret));
8201 return ret;
8202}
8203
8204
b1f625e0
EP		 8205static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
8206 enum nl80211_iftype nlmode)
ad1e68e6 8207{
a2e40bb6 8208 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 8209 int ret = -1;
26af9dca 8210 int i;
86957e62 8211 int was_ap = is_ap_interface(drv->nlmode);
671a5039 8212 int res;
1581b38b 8213
671a5039 8214 res = nl80211_set_mode(drv, drv->ifindex, nlmode);
8e12685c
AS		 8215 if (res && nlmode == nl80211_get_ifmode(bss))
8216 res = 0;
8217
671a5039 8218 if (res == 0) {
ad1e68e6 8219 drv->nlmode = nlmode;
460456f8
JM		 8220 ret = 0;
8221 goto done;
ad1e68e6 8222 }
3f5285e8 8223
671a5039
JM		 8224 if (res == -ENODEV)
8225 return -1;
8226
460456f8 8227 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 8228 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
8229 "requested mode - ignore error");
460456f8
JM		 8230 ret = 0;
8231 goto done; /* Already in the requested mode */
8232 }
3f5285e8 8233
3f5285e8
JM		 8234 /* mac80211 doesn't allow mode changes while the device is up, so
8235 * take the device down, try to set the mode again, and bring the
8236 * device back up.
8237 */
26af9dca
JM		 8238 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
8239 "interface down");
8240 for (i = 0; i < 10; i++) {
91724d6f 8241 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 8242 if (res == -EACCES || res == -ENODEV)
8243 break;
8244 if (res == 0) {
26af9dca
JM		 8245 /* Try to set the mode again while the interface is
8246 * down */
8247 ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
6e8183d7
JM		 8248 if (ret == -EACCES)
8249 break;
91724d6f 8250 res = i802_set_iface_flags(bss, 1);
6e8183d7 8251 if (res && !ret)
26af9dca 8252 ret = -1;
6e8183d7 8253 else if (ret != -EBUSY)
26af9dca
JM		 8254 break;
8255 } else
8256 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
8257 "interface down");
8258 os_sleep(0, 100000);
3f5285e8
JM		 8259 }
8260
c6e8e8e4
JM		 8261 if (!ret) {
8262 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
8263 "interface is down");
ad1e68e6 8264 drv->nlmode = nlmode;
7d9c3698 8265 drv->ignore_if_down_event = 1;
c6e8e8e4 8266 }
ad1e68e6 8267
460456f8 8268done:
3fd1cefb
JB		 8269 if (ret) {
8270 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
8271 "from %d failed", nlmode, drv->nlmode);
8272 return ret;
8273 }
8274
6a71413e 8275 if (is_p2p_net_interface(nlmode))
edb9bfba 8276 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1d0c6fb1
JM		 8277 else if (drv->disabled_11b_rates)
8278 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
edb9bfba 8279
3fd1cefb 8280 if (is_ap_interface(nlmode)) {
36488c05 8281 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 8282 /* Setup additional AP mode functionality if needed */
3fd1cefb 8283 if (nl80211_setup_ap(bss))
460456f8 8284 return -1;
3fd1cefb 8285 } else if (was_ap) {
460456f8 8286 /* Remove additional AP mode functionality */
3fd1cefb 8287 nl80211_teardown_ap(bss);
a11241fa 8288 } else {
36488c05 8289 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 8290 }
460456f8 8291
873d0fcf 8292 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
a11241fa
JB		 8293 nl80211_mgmt_subscribe_non_ap(bss) < 0)
8294 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
8295 "frame processing - ignore for now");
08359050 8296
3fd1cefb 8297 return 0;
3f5285e8
JM		 8298}
8299
8300
3f5285e8
JM		 8301static int wpa_driver_nl80211_get_capa(void *priv,
8302 struct wpa_driver_capa *capa)
8303{
a2e40bb6
FF		 8304 struct i802_bss *bss = priv;
8305 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 8306 if (!drv->has_capability)
8307 return -1;
8308 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 8309 if (drv->extended_capa && drv->extended_capa_mask) {
8310 capa->extended_capa = drv->extended_capa;
8311 capa->extended_capa_mask = drv->extended_capa_mask;
8312 capa->extended_capa_len = drv->extended_capa_len;
8313 }
851b0c55
JM		 8314
8315 if ((capa->flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
8316 !drv->allow_p2p_device) {
8317 wpa_printf(MSG_DEBUG, "nl80211: Do not indicate P2P_DEVICE support (p2p_device=1 driver param not specified)");
8318 capa->flags &= ~WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
8319 }
8320
3f5285e8
JM		 8321 return 0;
8322}
8323
8324
8325static int wpa_driver_nl80211_set_operstate(void *priv, int state)
8326{
a2e40bb6
FF		 8327 struct i802_bss *bss = priv;
8328 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 8329
8330 wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)",
8331 __func__, drv->operstate, state, state ? "UP" : "DORMANT");
8332 drv->operstate = state;
36d84860 8333 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 8334 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 8335}
8336
01652550
JM		 8337
8338static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
8339{
a2e40bb6
FF		 8340 struct i802_bss *bss = priv;
8341 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 8342 struct nl_msg *msg;
8343 struct nl80211_sta_flag_update upd;
8344
1ba51ec0
JM		 8345 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
8346 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
8347
01652550
JM		 8348 msg = nlmsg_alloc();
8349 if (!msg)
8350 return -ENOMEM;
8351
9fb04070 8352 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
01652550
JM		 8353
8354 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8355 if_nametoindex(bss->ifname));
01652550
JM		 8356 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
8357
8358 os_memset(&upd, 0, sizeof(upd));
8359 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
8360 if (authorized)
8361 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
8362 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
8363
8364 return send_and_recv_msgs(drv, msg, NULL, NULL);
8365 nla_put_failure:
5883168a 8366 nlmsg_free(msg);
01652550
JM		 8367 return -ENOBUFS;
8368}
8369
3f5285e8 8370
f07ead6a
JM		 8371/* Set kernel driver on given frequency (MHz) */
8372static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 8373{
f07ead6a 8374 struct i802_bss *bss = priv;
89b800d7 8375 return wpa_driver_nl80211_set_freq(bss, freq);
c5121837
JM		 8376}
8377
f7b3920c
JM		 8378
8379#if defined(HOSTAPD) || defined(CONFIG_AP)
c5121837 8380
c5121837
JM		 8381static inline int min_int(int a, int b)
8382{
8383 if (a < b)
8384 return a;
8385 return b;
8386}
8387
8388
8389static int get_key_handler(struct nl_msg *msg, void *arg)
8390{
8391 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8392 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8393
8394 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8395 genlmsg_attrlen(gnlh, 0), NULL);
8396
8397 /*
8398 * TODO: validate the key index and mac address!
8399 * Otherwise, there's a race condition as soon as
8400 * the kernel starts sending key notifications.
8401 */
8402
8403 if (tb[NL80211_ATTR_KEY_SEQ])
8404 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
8405 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
8406 return NL_SKIP;
8407}
8408
8409
8410static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
8411 int idx, u8 *seq)
8412{
a2e40bb6
FF		 8413 struct i802_bss *bss = priv;
8414 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8415 struct nl_msg *msg;
8416
8417 msg = nlmsg_alloc();
8418 if (!msg)
8419 return -ENOMEM;
8420
9fb04070 8421 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY);
c5121837
JM		 8422
8423 if (addr)
8424 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
8425 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
8426 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
8427
8428 memset(seq, 0, 6);
8429
8430 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
8431 nla_put_failure:
9e088e74 8432 nlmsg_free(msg);
c5121837
JM		 8433 return -ENOBUFS;
8434}
8435
8436
c5121837
JM		 8437static int i802_set_rts(void *priv, int rts)
8438{
a2e40bb6
FF		 8439 struct i802_bss *bss = priv;
8440 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 8441 struct nl_msg *msg;
8442 int ret = -ENOBUFS;
8443 u32 val;
c5121837 8444
ad649451
JM		 8445 msg = nlmsg_alloc();
8446 if (!msg)
8447 return -ENOMEM;
c5121837 8448
ad649451
JM		 8449 if (rts >= 2347)
8450 val = (u32) -1;
8451 else
8452 val = rts;
c5121837 8453
9fb04070 8454 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 8455 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8456 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val);
8457
8458 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8459 msg = NULL;
ad649451
JM		 8460 if (!ret)
8461 return 0;
8462nla_put_failure:
5883168a 8463 nlmsg_free(msg);
ad649451
JM		 8464 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
8465 "%d (%s)", rts, ret, strerror(-ret));
8466 return ret;
c5121837
JM		 8467}
8468
8469
8470static int i802_set_frag(void *priv, int frag)
8471{
a2e40bb6
FF		 8472 struct i802_bss *bss = priv;
8473 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 8474 struct nl_msg *msg;
8475 int ret = -ENOBUFS;
8476 u32 val;
c5121837 8477
ad649451
JM		 8478 msg = nlmsg_alloc();
8479 if (!msg)
8480 return -ENOMEM;
c5121837 8481
ad649451
JM		 8482 if (frag >= 2346)
8483 val = (u32) -1;
8484 else
8485 val = frag;
c5121837 8486
9fb04070 8487 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 8488 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8489 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val);
8490
8491 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8492 msg = NULL;
ad649451
JM		 8493 if (!ret)
8494 return 0;
8495nla_put_failure:
5883168a 8496 nlmsg_free(msg);
ad649451
JM		 8497 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
8498 "%d: %d (%s)", frag, ret, strerror(-ret));
8499 return ret;
c5121837
JM		 8500}
8501
8502
c5121837
JM		 8503static int i802_flush(void *priv)
8504{
a2e40bb6
FF		 8505 struct i802_bss *bss = priv;
8506 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 8507 struct nl_msg *msg;
82554b10 8508 int res;
c5121837
JM		 8509
8510 msg = nlmsg_alloc();
8511 if (!msg)
8512 return -1;
8513
83e7bb0e
JM		 8514 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
8515 bss->ifname);
9fb04070 8516 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
c5121837
JM		 8517
8518 /*
8519 * XXX: FIX! this needs to flush all VLANs too
8520 */
8521 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8522 if_nametoindex(bss->ifname));
c5121837 8523
82554b10
JM		 8524 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8525 if (res) {
8526 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
8527 "(%s)", res, strerror(-res));
8528 }
8529 return res;
c5121837 8530 nla_put_failure:
9e088e74 8531 nlmsg_free(msg);
c5121837
JM		 8532 return -ENOBUFS;
8533}
8534
d732463c
JM		 8535#endif /* HOSTAPD || CONFIG_AP */
8536
c5121837
JM		 8537
8538static int get_sta_handler(struct nl_msg *msg, void *arg)
8539{
8540 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8541 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8542 struct hostap_sta_driver_data *data = arg;
8543 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
8544 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
8545 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
8546 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
8547 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
8548 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
8549 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 8550 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
c5121837
JM		 8551 };
8552
8553 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8554 genlmsg_attrlen(gnlh, 0), NULL);
8555
8556 /*
8557 * TODO: validate the interface and mac address!
8558 * Otherwise, there's a race condition as soon as
8559 * the kernel starts sending station notifications.
8560 */
8561
8562 if (!tb[NL80211_ATTR_STA_INFO]) {
8563 wpa_printf(MSG_DEBUG, "sta stats missing!");
8564 return NL_SKIP;
8565 }
8566 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
8567 tb[NL80211_ATTR_STA_INFO],
8568 stats_policy)) {
8569 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
8570 return NL_SKIP;
8571 }
8572
8573 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
8574 data->inactive_msec =
8575 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
8576 if (stats[NL80211_STA_INFO_RX_BYTES])
8577 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
8578 if (stats[NL80211_STA_INFO_TX_BYTES])
8579 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
8580 if (stats[NL80211_STA_INFO_RX_PACKETS])
8581 data->rx_packets =
8582 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
8583 if (stats[NL80211_STA_INFO_TX_PACKETS])
8584 data->tx_packets =
8585 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 8586 if (stats[NL80211_STA_INFO_TX_FAILED])
8587 data->tx_retry_failed =
8588 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 8589
8590 return NL_SKIP;
8591}
8592
9ebce9c5
JM		 8593static int i802_read_sta_data(struct i802_bss *bss,
8594 struct hostap_sta_driver_data *data,
c5121837
JM		 8595 const u8 *addr)
8596{
a2e40bb6 8597 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8598 struct nl_msg *msg;
8599
8600 os_memset(data, 0, sizeof(*data));
8601 msg = nlmsg_alloc();
8602 if (!msg)
8603 return -ENOMEM;
8604
9fb04070 8605 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
c5121837
JM		 8606
8607 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
a2e40bb6 8608 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 8609
8610 return send_and_recv_msgs(drv, msg, get_sta_handler, data);
8611 nla_put_failure:
9e088e74 8612 nlmsg_free(msg);
c5121837
JM		 8613 return -ENOBUFS;
8614}
8615
8616
d732463c
JM		 8617#if defined(HOSTAPD) || defined(CONFIG_AP)
8618
c5121837
JM		 8619static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
8620 int cw_min, int cw_max, int burst_time)
8621{
a2e40bb6
FF		 8622 struct i802_bss *bss = priv;
8623 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8624 struct nl_msg *msg;
8625 struct nlattr *txq, *params;
8626
8627 msg = nlmsg_alloc();
8628 if (!msg)
8629 return -1;
8630
9fb04070 8631 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
c5121837 8632
a2e40bb6 8633 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 8634
8635 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
8636 if (!txq)
8637 goto nla_put_failure;
8638
8639 /* We are only sending parameters for a single TXQ at a time */
8640 params = nla_nest_start(msg, 1);
8641 if (!params)
8642 goto nla_put_failure;
8643
7e3c1781
JM		 8644 switch (queue) {
8645 case 0:
8646 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO);
8647 break;
8648 case 1:
8649 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI);
8650 break;
8651 case 2:
8652 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE);
8653 break;
8654 case 3:
8655 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK);
8656 break;
8657 }
c5121837
JM		 8658 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
8659 * 32 usec, so need to convert the value here. */
8660 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
8661 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
8662 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
8663 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
8664
8665 nla_nest_end(msg, params);
8666
8667 nla_nest_end(msg, txq);
8668
8669 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
8670 return 0;
9e088e74 8671 msg = NULL;
c5121837 8672 nla_put_failure:
9e088e74 8673 nlmsg_free(msg);
c5121837
JM		 8674 return -1;
8675}
8676
8677
9ebce9c5 8678static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 8679 const char *ifname, int vlan_id)
8680{
a2e40bb6 8681 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 8682 struct nl_msg *msg;
cd1d72c1 8683 int ret = -ENOBUFS;
c5121837
JM		 8684
8685 msg = nlmsg_alloc();
8686 if (!msg)
8687 return -ENOMEM;
8688
9fb04070 8689 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
c5121837
JM		 8690
8691 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8692 if_nametoindex(bss->ifname));
c5121837 8693 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
1c766b09 8694 NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
c5121837
JM		 8695 if_nametoindex(ifname));
8696
cd1d72c1 8697 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9e088e74 8698 msg = NULL;
cd1d72c1
JM		 8699 if (ret < 0) {
8700 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
8701 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
8702 MAC2STR(addr), ifname, vlan_id, ret,
8703 strerror(-ret));
8704 }
c5121837 8705 nla_put_failure:
9e088e74 8706 nlmsg_free(msg);
cd1d72c1 8707 return ret;
c5121837
JM		 8708}
8709
fbbfcbac 8710
c5121837
JM		 8711static int i802_get_inact_sec(void *priv, const u8 *addr)
8712{
8713 struct hostap_sta_driver_data data;
8714 int ret;
8715
8716 data.inactive_msec = (unsigned long) -1;
8717 ret = i802_read_sta_data(priv, &data, addr);
8718 if (ret || data.inactive_msec == (unsigned long) -1)
8719 return -1;
8720 return data.inactive_msec / 1000;
8721}
8722
8723
8724static int i802_sta_clear_stats(void *priv, const u8 *addr)
8725{
8726#if 0
8727 /* TODO */
8728#endif
8729 return 0;
8730}
8731
8732
731723a5
JM		 8733static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
8734 int reason)
c5121837 8735{
a2e40bb6 8736 struct i802_bss *bss = priv;
e1bd4e19 8737 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8738 struct ieee80211_mgmt mgmt;
8739
e1bd4e19
AT		 8740 if (drv->device_ap_sme)
8741 return wpa_driver_nl80211_sta_remove(bss, addr);
8742
c5121837
JM		 8743 memset(&mgmt, 0, sizeof(mgmt));
8744 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8745 WLAN_FC_STYPE_DEAUTH);
8746 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 8747 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8748 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 8749 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 8750 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 8751 IEEE80211_HDRLEN +
9ebce9c5
JM		 8752 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
8753 0);
c5121837
JM		 8754}
8755
8756
731723a5
JM		 8757static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
8758 int reason)
c5121837 8759{
a2e40bb6 8760 struct i802_bss *bss = priv;
e1bd4e19 8761 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8762 struct ieee80211_mgmt mgmt;
8763
e1bd4e19
AT		 8764 if (drv->device_ap_sme)
8765 return wpa_driver_nl80211_sta_remove(bss, addr);
8766
c5121837
JM		 8767 memset(&mgmt, 0, sizeof(mgmt));
8768 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8769 WLAN_FC_STYPE_DISASSOC);
8770 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 8771 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8772 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 8773 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 8774 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 8775 IEEE80211_HDRLEN +
9ebce9c5
JM		 8776 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
8777 0);
c5121837
JM		 8778}
8779
ee7ab173
JB		 8780#endif /* HOSTAPD || CONFIG_AP */
8781
8782#ifdef HOSTAPD
c5121837 8783
f07ead6a
JM		 8784static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
8785{
8786 int i;
8787 int *old;
8788
8789 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
8790 ifidx);
8791 for (i = 0; i < drv->num_if_indices; i++) {
8792 if (drv->if_indices[i] == 0) {
8793 drv->if_indices[i] = ifidx;
8794 return;
8795 }
8796 }
8797
8798 if (drv->if_indices != drv->default_if_indices)
8799 old = drv->if_indices;
8800 else
8801 old = NULL;
8802
067ffa26
JM		 8803 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
8804 sizeof(int));
f07ead6a
JM		 8805 if (!drv->if_indices) {
8806 if (!old)
8807 drv->if_indices = drv->default_if_indices;
8808 else
8809 drv->if_indices = old;
8810 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
8811 "interfaces");
8812 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
8813 return;
8814 } else if (!old)
8815 os_memcpy(drv->if_indices, drv->default_if_indices,
8816 sizeof(drv->default_if_indices));
8817 drv->if_indices[drv->num_if_indices] = ifidx;
8818 drv->num_if_indices++;
8819}
8820
8821
8822static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
8823{
8824 int i;
8825
8826 for (i = 0; i < drv->num_if_indices; i++) {
8827 if (drv->if_indices[i] == ifidx) {
8828 drv->if_indices[i] = 0;
8829 break;
8830 }
8831 }
8832}
8833
8834
8835static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
8836{
8837 int i;
8838
8839 for (i = 0; i < drv->num_if_indices; i++)
8840 if (drv->if_indices[i] == ifidx)
8841 return 1;
8842
8843 return 0;
8844}
8845
8846
8847static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
69dd2967 8848 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 8849{
8850 struct i802_bss *bss = priv;
8851 struct wpa_driver_nl80211_data *drv = bss->drv;
8852 char name[IFNAMSIZ + 1];
8853
8854 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 8855 if (ifname_wds)
8856 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
8857
f07ead6a
JM		 8858 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
8859 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
8860 if (val) {
8861 if (!if_nametoindex(name)) {
8862 if (nl80211_create_iface(drv, name,
8863 NL80211_IFTYPE_AP_VLAN,
d6dcfcda 8864 bss->addr, 1, NULL, NULL) < 0)
f07ead6a
JM		 8865 return -1;
8866 if (bridge_ifname &&
c81eff1a
BG		 8867 linux_br_add_if(drv->global->ioctl_sock,
8868 bridge_ifname, name) < 0)
f07ead6a
JM		 8869 return -1;
8870 }
75227f3a
JM		 8871 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
8872 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
8873 "interface %s up", name);
8874 }
f07ead6a
JM		 8875 return i802_set_sta_vlan(priv, addr, name, 0);
8876 } else {
c34e618d
FF		 8877 if (bridge_ifname)
8878 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
8879 name);
8880
f07ead6a
JM		 8881 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
8882 return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN,
8883 name);
8884 }
8885}
8886
8887
8888static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
8889{
8890 struct wpa_driver_nl80211_data *drv = eloop_ctx;
8891 struct sockaddr_ll lladdr;
8892 unsigned char buf[3000];
8893 int len;
8894 socklen_t fromlen = sizeof(lladdr);
8895
8896 len = recvfrom(sock, buf, sizeof(buf), 0,
8897 (struct sockaddr *)&lladdr, &fromlen);
8898 if (len < 0) {
8899 perror("recv");
8900 return;
8901 }
8902
8903 if (have_ifidx(drv, lladdr.sll_ifindex))
8904 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
8905}
8906
8907
94627f6c 8908static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 8909 struct i802_bss *bss,
94627f6c
JM		 8910 const char *brname, const char *ifname)
8911{
8912 int ifindex;
8913 char in_br[IFNAMSIZ];
8914
e17a2477 8915 os_strlcpy(bss->brname, brname, IFNAMSIZ);
94627f6c
JM		 8916 ifindex = if_nametoindex(brname);
8917 if (ifindex == 0) {
8918 /*
8919 * Bridge was configured, but the bridge device does
8920 * not exist. Try to add it now.
8921 */
c81eff1a 8922 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 8923 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
8924 "bridge interface %s: %s",
8925 brname, strerror(errno));
8926 return -1;
8927 }
e17a2477 8928 bss->added_bridge = 1;
94627f6c
JM		 8929 add_ifidx(drv, if_nametoindex(brname));
8930 }
8931
8932 if (linux_br_get(in_br, ifname) == 0) {
8933 if (os_strcmp(in_br, brname) == 0)
8934 return 0; /* already in the bridge */
8935
8936 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
8937 "bridge %s", ifname, in_br);
c81eff1a
BG		 8938 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
8939 0) {
94627f6c
JM		 8940 wpa_printf(MSG_ERROR, "nl80211: Failed to "
8941 "remove interface %s from bridge "
8942 "%s: %s",
8943 ifname, brname, strerror(errno));
8944 return -1;
8945 }
8946 }
8947
8948 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
8949 ifname, brname);
c81eff1a 8950 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 8951 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
8952 "into bridge %s: %s",
8953 ifname, brname, strerror(errno));
8954 return -1;
8955 }
e17a2477 8956 bss->added_if_into_bridge = 1;
94627f6c
JM		 8957
8958 return 0;
8959}
8960
8961
92f475b4
JM		 8962static void *i802_init(struct hostapd_data *hapd,
8963 struct wpa_init_params *params)
c5121837
JM		 8964{
8965 struct wpa_driver_nl80211_data *drv;
a2e40bb6 8966 struct i802_bss *bss;
c5121837 8967 size_t i;
94627f6c
JM		 8968 char brname[IFNAMSIZ];
8969 int ifindex, br_ifindex;
8970 int br_added = 0;
c5121837 8971
4b24282a
JM		 8972 bss = wpa_driver_nl80211_init(hapd, params->ifname,
8973 params->global_priv);
a2e40bb6 8974 if (bss == NULL)
c5121837 8975 return NULL;
c5121837 8976
a2e40bb6 8977 drv = bss->drv;
0382097e 8978 drv->nlmode = NL80211_IFTYPE_AP;
7635bfb0
JB		 8979 drv->eapol_sock = -1;
8980
94627f6c
JM		 8981 if (linux_br_get(brname, params->ifname) == 0) {
8982 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
8983 params->ifname, brname);
8984 br_ifindex = if_nametoindex(brname);
8985 } else {
8986 brname[0] = '\0';
8987 br_ifindex = 0;
8988 }
8989
c5121837
JM		 8990 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
8991 drv->if_indices = drv->default_if_indices;
92f475b4 8992 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 8993 if (params->bridge[i]) {
8994 ifindex = if_nametoindex(params->bridge[i]);
8995 if (ifindex)
8996 add_ifidx(drv, ifindex);
8997 if (ifindex == br_ifindex)
8998 br_added = 1;
8999 }
c5121837 9000 }
94627f6c
JM		 9001 if (!br_added && br_ifindex &&
9002 (params->num_bridge == 0 || !params->bridge[0]))
9003 add_ifidx(drv, br_ifindex);
c5121837 9004
ad1e68e6
JM		 9005 /* start listening for EAPOL on the default AP interface */
9006 add_ifidx(drv, drv->ifindex);
9007
c81eff1a 9008 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0))
6980c191 9009 goto failed;
ad1e68e6 9010
6980c191 9011 if (params->bssid) {
c81eff1a 9012 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2ac9688e 9013 params->bssid))
460456f8
JM		 9014 goto failed;
9015 }
ad1e68e6 9016
b1f625e0 9017 if (wpa_driver_nl80211_set_mode(bss, drv->nlmode)) {
ad1e68e6 9018 wpa_printf(MSG_ERROR, "nl80211: Failed to set interface %s "
a2e40bb6 9019 "into AP mode", bss->ifname);
bbaf0837 9020 goto failed;
ad1e68e6
JM		 9021 }
9022
94627f6c 9023 if (params->num_bridge && params->bridge[0] &&
e17a2477 9024 i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0)
94627f6c
JM		 9025 goto failed;
9026
c81eff1a 9027 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1))
bbaf0837 9028 goto failed;
ad1e68e6
JM		 9029
9030 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
9031 if (drv->eapol_sock < 0) {
9032 perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)");
bbaf0837 9033 goto failed;
ad1e68e6
JM		 9034 }
9035
9036 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
9037 {
9038 printf("Could not register read socket for eapol\n");
c5121837 9039 goto failed;
ad1e68e6
JM		 9040 }
9041
c81eff1a
BG		 9042 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
9043 params->own_addr))
bbaf0837 9044 goto failed;
c5121837 9045
341eebee
JB		 9046 memcpy(bss->addr, params->own_addr, ETH_ALEN);
9047
a2e40bb6 9048 return bss;
c5121837
JM		 9049
9050failed:
7635bfb0 9051 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 9052 return NULL;
9053}
c5121837 9054
c5121837 9055
bbaf0837
JM		 9056static void i802_deinit(void *priv)
9057{
9ebce9c5
JM		 9058 struct i802_bss *bss = priv;
9059 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 9060}
9061
9062#endif /* HOSTAPD */
9063
9064
22a7c9d7
JM		 9065static enum nl80211_iftype wpa_driver_nl80211_if_type(
9066 enum wpa_driver_if_type type)
9067{
9068 switch (type) {
9069 case WPA_IF_STATION:
9f51b113 9070 return NL80211_IFTYPE_STATION;
75bde05d
JM		 9071 case WPA_IF_P2P_CLIENT:
9072 case WPA_IF_P2P_GROUP:
9f51b113 9073 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 9074 case WPA_IF_AP_VLAN:
9075 return NL80211_IFTYPE_AP_VLAN;
9076 case WPA_IF_AP_BSS:
9077 return NL80211_IFTYPE_AP;
9f51b113
JB		 9078 case WPA_IF_P2P_GO:
9079 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 9080 case WPA_IF_P2P_DEVICE:
9081 return NL80211_IFTYPE_P2P_DEVICE;
22a7c9d7
JM		 9082 }
9083 return -1;
9084}
9085
9086
482856c8
JM		 9087#ifdef CONFIG_P2P
9088
f2ed8023
JM		 9089static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
9090{
9091 struct wpa_driver_nl80211_data *drv;
9092 dl_list_for_each(drv, &global->interfaces,
9093 struct wpa_driver_nl80211_data, list) {
341eebee 9094 if (os_memcmp(addr, drv->first_bss.addr, ETH_ALEN) == 0)
f2ed8023
JM		 9095 return 1;
9096 }
9097 return 0;
9098}
9099
9100
9101static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv,
9102 u8 *new_addr)
9103{
9104 unsigned int idx;
9105
9106 if (!drv->global)
9107 return -1;
9108
341eebee 9109 os_memcpy(new_addr, drv->first_bss.addr, ETH_ALEN);
f2ed8023 9110 for (idx = 0; idx < 64; idx++) {
341eebee 9111 new_addr[0] = drv->first_bss.addr[0] | 0x02;
f2ed8023
JM		 9112 new_addr[0] ^= idx << 2;
9113 if (!nl80211_addr_in_use(drv->global, new_addr))
9114 break;
9115 }
9116 if (idx == 64)
9117 return -1;
9118
9119 wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address "
9120 MACSTR, MAC2STR(new_addr));
9121
9122 return 0;
9123}
9124
482856c8
JM		 9125#endif /* CONFIG_P2P */
9126
f2ed8023 9127
f632e483
AS		 9128struct wdev_info {
9129 u64 wdev_id;
9130 int wdev_id_set;
9131 u8 macaddr[ETH_ALEN];
9132};
9133
9134static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 9135{
9136 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9137 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 9138 struct wdev_info *wi = arg;
e472e1b4
AS		 9139
9140 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9141 genlmsg_attrlen(gnlh, 0), NULL);
9142 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 9143 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
9144 wi->wdev_id_set = 1;
e472e1b4
AS		 9145 }
9146
9147 if (tb[NL80211_ATTR_MAC])
f632e483 9148 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 9149 ETH_ALEN);
9150
9151 return NL_SKIP;
9152}
9153
9154
7ab68865 9155static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 9156 const char *ifname, const u8 *addr,
f3585c8a 9157 void *bss_ctx, void **drv_priv,
e17a2477
JM		 9158 char *force_ifname, u8 *if_addr,
9159 const char *bridge)
22a7c9d7 9160{
e472e1b4 9161 enum nl80211_iftype nlmode;
a2e40bb6
FF		 9162 struct i802_bss *bss = priv;
9163 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 9164 int ifidx;
22a7c9d7 9165
f3585c8a
JM		 9166 if (addr)
9167 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 9168 nlmode = wpa_driver_nl80211_if_type(type);
9169 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 9170 struct wdev_info p2pdev_info;
9171
9172 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 9173 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483
AS		 9174 0, nl80211_wdev_handler,
9175 &p2pdev_info);
9176 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 9177 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
9178 ifname);
e472e1b4
AS		 9179 return -1;
9180 }
f632e483
AS		 9181
9182 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
9183 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
9184 if (!is_zero_ether_addr(p2pdev_info.macaddr))
9185 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
9186 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
9187 ifname,
9188 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 9189 } else {
9190 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
9191 0, NULL, NULL);
9192 if (ifidx < 0) {
e472e1b4
AS		 9193 return -1;
9194 }
22a7c9d7
JM		 9195 }
9196
ab7a1add
AS		 9197 if (!addr) {
9198 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
9199 os_memcpy(if_addr, bss->addr, ETH_ALEN);
9200 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
9201 bss->ifname, if_addr) < 0) {
9202 nl80211_remove_iface(drv, ifidx);
9203 return -1;
9204 }
c55f774d
JM		 9205 }
9206
9207#ifdef CONFIG_P2P
9208 if (!addr &&
9209 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
9210 type == WPA_IF_P2P_GO)) {
9211 /* Enforce unique P2P Interface Address */
ab7a1add 9212 u8 new_addr[ETH_ALEN];
c55f774d 9213
ab7a1add 9214 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 9215 new_addr) < 0) {
c55f774d
JM		 9216 nl80211_remove_iface(drv, ifidx);
9217 return -1;
9218 }
f608081c 9219 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d
JM		 9220 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
9221 "for P2P group interface");
f2ed8023 9222 if (nl80211_p2p_interface_addr(drv, new_addr) < 0) {
c55f774d
JM		 9223 nl80211_remove_iface(drv, ifidx);
9224 return -1;
9225 }
c81eff1a 9226 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d
JM		 9227 new_addr) < 0) {
9228 nl80211_remove_iface(drv, ifidx);
9229 return -1;
9230 }
c55f774d 9231 }
f67eeb5c 9232 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d
JM		 9233 }
9234#endif /* CONFIG_P2P */
f3585c8a 9235
22a7c9d7
JM		 9236#ifdef HOSTAPD
9237 if (type == WPA_IF_AP_BSS) {
f5eb9da3
JM		 9238 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
9239 if (new_bss == NULL) {
9240 nl80211_remove_iface(drv, ifidx);
9241 return -1;
9242 }
9243
9244 if (bridge &&
9245 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
9246 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
9247 "interface %s to a bridge %s",
9248 ifname, bridge);
9249 nl80211_remove_iface(drv, ifidx);
9250 os_free(new_bss);
9251 return -1;
9252 }
9253
c81eff1a
BG		 9254 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
9255 {
34f2f814 9256 nl80211_remove_iface(drv, ifidx);
07179987 9257 os_free(new_bss);
22a7c9d7
JM		 9258 return -1;
9259 }
a2e40bb6 9260 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 9261 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 9262 new_bss->ifindex = ifidx;
9263 new_bss->drv = drv;
9264 new_bss->next = drv->first_bss.next;
a7a6af4c 9265 new_bss->freq = drv->first_bss.freq;
a5e1eb20 9266 new_bss->ctx = bss_ctx;
a2e40bb6
FF		 9267 drv->first_bss.next = new_bss;
9268 if (drv_priv)
9269 *drv_priv = new_bss;
cc7a48d1 9270 nl80211_init_bss(new_bss);
3dd1d890
YAP		 9271
9272 /* Subscribe management frames for this WPA_IF_AP_BSS */
9273 if (nl80211_setup_ap(new_bss))
9274 return -1;
22a7c9d7
JM		 9275 }
9276#endif /* HOSTAPD */
9277
ff6a158b
JM		 9278 if (drv->global)
9279 drv->global->if_add_ifindex = ifidx;
9280
22a7c9d7
JM		 9281 return 0;
9282}
9283
9284
9ebce9c5 9285static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 9286 enum wpa_driver_if_type type,
9287 const char *ifname)
9288{
a2e40bb6 9289 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 9290 int ifindex = if_nametoindex(ifname);
9291
e748062b
JM		 9292 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d",
9293 __func__, type, ifname, ifindex);
2b72df63
JM		 9294 if (ifindex > 0)
9295 nl80211_remove_iface(drv, ifindex);
c34e618d 9296
e17a2477 9297#ifdef HOSTAPD
c34e618d
FF		 9298 if (type != WPA_IF_AP_BSS)
9299 return 0;
9300
e17a2477 9301 if (bss->added_if_into_bridge) {
c81eff1a
BG		 9302 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
9303 bss->ifname) < 0)
e17a2477
JM		 9304 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9305 "interface %s from bridge %s: %s",
9306 bss->ifname, bss->brname, strerror(errno));
9307 }
9308 if (bss->added_bridge) {
c81eff1a 9309 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 9310 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9311 "bridge %s: %s",
9312 bss->brname, strerror(errno));
9313 }
a2e40bb6
FF		 9314
9315 if (bss != &drv->first_bss) {
8546ea19 9316 struct i802_bss *tbss;
a2e40bb6 9317
8546ea19
JM		 9318 for (tbss = &drv->first_bss; tbss; tbss = tbss->next) {
9319 if (tbss->next == bss) {
9320 tbss->next = bss->next;
3dd1d890
YAP		 9321 /* Unsubscribe management frames */
9322 nl80211_teardown_ap(bss);
cc7a48d1 9323 nl80211_destroy_bss(bss);
8546ea19
JM		 9324 os_free(bss);
9325 bss = NULL;
9326 break;
9327 }
22a7c9d7 9328 }
8546ea19
JM		 9329 if (bss)
9330 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
9331 "BSS %p in the list", __func__, bss);
22a7c9d7
JM		 9332 }
9333#endif /* HOSTAPD */
9334
9335 return 0;
9336}
9337
9338
55777702
JM		 9339static int cookie_handler(struct nl_msg *msg, void *arg)
9340{
9341 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9342 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9343 u64 *cookie = arg;
9344 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9345 genlmsg_attrlen(gnlh, 0), NULL);
9346 if (tb[NL80211_ATTR_COOKIE])
9347 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
9348 return NL_SKIP;
9349}
9350
9351
88df0ef7 9352static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 9353 unsigned int freq, unsigned int wait,
9354 const u8 *buf, size_t buf_len,
88df0ef7
JB		 9355 u64 *cookie_out, int no_cck, int no_ack,
9356 int offchanok)
9884f9cc 9357{
88df0ef7 9358 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 9359 struct nl_msg *msg;
9360 u64 cookie;
9361 int ret = -1;
9362
9363 msg = nlmsg_alloc();
9364 if (!msg)
9365 return -1;
9366
cc2ada86 9367 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 9368 "no_ack=%d offchanok=%d",
9369 freq, wait, no_cck, no_ack, offchanok);
c91f796f 9370 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9fb04070 9371 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME);
9884f9cc 9372
f632e483 9373 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80 9374 goto nla_put_failure;
c91f796f
NC		 9375 if (freq)
9376 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9db931ed
JM		 9377 if (wait)
9378 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
b9fd8ce8 9379 if (offchanok && (drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
88df0ef7 9380 NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
b106173a
JM		 9381 if (no_cck)
9382 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
ddc53271
JM		 9383 if (no_ack)
9384 NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK);
970fa12e 9385
9884f9cc
JB		 9386 NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
9387
9388 cookie = 0;
9389 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
9390 msg = NULL;
9391 if (ret) {
9392 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 9393 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
9394 freq, wait);
9884f9cc
JB		 9395 goto nla_put_failure;
9396 }
cc2ada86 9397 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
ddc53271
JM		 9398 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
9399 (long long unsigned int) cookie);
9884f9cc
JB		 9400
9401 if (cookie_out)
ddc53271 9402 *cookie_out = no_ack ? (u64) -1 : cookie;
9884f9cc
JB		 9403
9404nla_put_failure:
9405 nlmsg_free(msg);
9406 return ret;
9407}
9408
9409
9ebce9c5
JM		 9410static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
9411 unsigned int freq,
190b9062 9412 unsigned int wait_time,
58f6fbe0
JM		 9413 const u8 *dst, const u8 *src,
9414 const u8 *bssid,
b106173a
JM		 9415 const u8 *data, size_t data_len,
9416 int no_cck)
58f6fbe0 9417{
a2e40bb6 9418 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 9419 int ret = -1;
58f6fbe0
JM		 9420 u8 *buf;
9421 struct ieee80211_hdr *hdr;
58f6fbe0 9422
5dfca53f 9423 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 9424 "freq=%u MHz wait=%d ms no_cck=%d)",
9425 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 9426
9427 buf = os_zalloc(24 + data_len);
9428 if (buf == NULL)
9429 return ret;
9430 os_memcpy(buf + 24, data, data_len);
9431 hdr = (struct ieee80211_hdr *) buf;
9432 hdr->frame_control =
9433 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
9434 os_memcpy(hdr->addr1, dst, ETH_ALEN);
9435 os_memcpy(hdr->addr2, src, ETH_ALEN);
9436 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
9437
f78f2785
JM		 9438 if (is_ap_interface(drv->nlmode) &&
9439 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
9440 (int) freq == bss->freq || drv->device_ap_sme ||
9441 !drv->use_monitor))
9ebce9c5
JM		 9442 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
9443 0, freq, no_cck, 1,
9444 wait_time);
9884f9cc 9445 else
88df0ef7 9446 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 9447 24 + data_len,
b106173a 9448 &drv->send_action_cookie,
88df0ef7 9449 no_cck, 0, 1);
58f6fbe0 9450
f8bf1421 9451 os_free(buf);
58f6fbe0
JM		 9452 return ret;
9453}
9454
9455
5dfca53f
JB		 9456static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
9457{
9458 struct i802_bss *bss = priv;
9459 struct wpa_driver_nl80211_data *drv = bss->drv;
9460 struct nl_msg *msg;
9461 int ret;
9462
9463 msg = nlmsg_alloc();
9464 if (!msg)
9465 return;
9466
316a9e4d
JM		 9467 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
9468 (long long unsigned int) drv->send_action_cookie);
9fb04070 9469 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL);
5dfca53f 9470
7940c790
AS		 9471 if (nl80211_set_iface_id(msg, bss) < 0)
9472 goto nla_put_failure;
5dfca53f
JB		 9473 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie);
9474
9475 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9476 msg = NULL;
9477 if (ret)
9478 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
9479 "(%s)", ret, strerror(-ret));
9480
9481 nla_put_failure:
9482 nlmsg_free(msg);
9483}
9484
9485
55777702
JM		 9486static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
9487 unsigned int duration)
9488{
a2e40bb6
FF		 9489 struct i802_bss *bss = priv;
9490 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 9491 struct nl_msg *msg;
9492 int ret;
9493 u64 cookie;
9494
9495 msg = nlmsg_alloc();
9496 if (!msg)
9497 return -1;
9498
9fb04070 9499 nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL);
55777702 9500
f632e483 9501 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 9502 goto nla_put_failure;
9503
55777702
JM		 9504 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9505 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
9506
9507 cookie = 0;
9508 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5883168a 9509 msg = NULL;
55777702
JM		 9510 if (ret == 0) {
9511 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
9512 "0x%llx for freq=%u MHz duration=%u",
9513 (long long unsigned int) cookie, freq, duration);
9514 drv->remain_on_chan_cookie = cookie;
531f0331 9515 drv->pending_remain_on_chan = 1;
55777702
JM		 9516 return 0;
9517 }
9518 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 9519 "(freq=%d duration=%u): %d (%s)",
9520 freq, duration, ret, strerror(-ret));
55777702 9521nla_put_failure:
5883168a 9522 nlmsg_free(msg);
55777702
JM		 9523 return -1;
9524}
9525
9526
9527static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
9528{
a2e40bb6
FF		 9529 struct i802_bss *bss = priv;
9530 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 9531 struct nl_msg *msg;
9532 int ret;
9533
9534 if (!drv->pending_remain_on_chan) {
9535 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
9536 "to cancel");
9537 return -1;
9538 }
9539
9540 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
9541 "0x%llx",
9542 (long long unsigned int) drv->remain_on_chan_cookie);
9543
9544 msg = nlmsg_alloc();
9545 if (!msg)
9546 return -1;
9547
9fb04070 9548 nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
55777702 9549
f632e483 9550 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 9551 goto nla_put_failure;
9552
55777702
JM		 9553 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie);
9554
9555 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 9556 msg = NULL;
55777702
JM		 9557 if (ret == 0)
9558 return 0;
9559 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
9560 "%d (%s)", ret, strerror(-ret));
9561nla_put_failure:
5883168a 9562 nlmsg_free(msg);
55777702
JM		 9563 return -1;
9564}
9565
9566
9ebce9c5 9567static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 9568{
a2e40bb6 9569 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 9570
5582a5d1 9571 if (!report) {
0d891981
JM		 9572 if (bss->nl_preq && drv->device_ap_sme &&
9573 is_ap_interface(drv->nlmode)) {
9574 /*
9575 * Do not disable Probe Request reporting that was
9576 * enabled in nl80211_setup_ap().
9577 */
9578 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
9579 "Probe Request reporting nl_preq=%p while "
9580 "in AP mode", bss->nl_preq);
9581 } else if (bss->nl_preq) {
36488c05
JM		 9582 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
9583 "reporting nl_preq=%p", bss->nl_preq);
5f65e9f7 9584 nl80211_destroy_eloop_handle(&bss->nl_preq);
5582a5d1
JB		 9585 }
9586 return 0;
9587 }
9588
481234cf 9589 if (bss->nl_preq) {
5582a5d1 9590 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 9591 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 9592 return 0;
9593 }
9594
481234cf
JM		 9595 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
9596 if (bss->nl_preq == NULL)
5582a5d1 9597 return -1;
36488c05
JM		 9598 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
9599 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 9600
481234cf 9601 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 9602 (WLAN_FC_TYPE_MGMT << 2) |
9603 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 9604 NULL, 0) < 0)
9605 goto out_err;
5582a5d1 9606
5f65e9f7
JB		 9607 nl80211_register_eloop_read(&bss->nl_preq,
9608 wpa_driver_nl80211_event_receive,
9609 bss->nl_cb);
5582a5d1 9610
504e905c 9611 return 0;
5582a5d1 9612
a92dfde8 9613 out_err:
221a59c9 9614 nl_destroy_handles(&bss->nl_preq);
5582a5d1 9615 return -1;
504e905c
JM		 9616}
9617
9618
4e5cb1a3
JM		 9619static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
9620 int ifindex, int disabled)
9621{
9622 struct nl_msg *msg;
9623 struct nlattr *bands, *band;
9624 int ret;
9625
9626 msg = nlmsg_alloc();
9627 if (!msg)
9628 return -1;
9629
9fb04070 9630 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 9631 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
9632
9633 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
9634 if (!bands)
9635 goto nla_put_failure;
9636
9637 /*
9638 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
9639 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
9640 * rates. All 5 GHz rates are left enabled.
9641 */
9642 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
9643 if (!band)
9644 goto nla_put_failure;
1dea5882
JM		 9645 if (disabled) {
9646 NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8,
9647 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
9648 }
4e5cb1a3
JM		 9649 nla_nest_end(msg, band);
9650
9651 nla_nest_end(msg, bands);
9652
9653 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9654 msg = NULL;
9655 if (ret) {
9656 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
9657 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 9658 } else
9659 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 9660
9661 return ret;
9662
9663nla_put_failure:
9664 nlmsg_free(msg);
9665 return -1;
9666}
9667
9668
af473088
JM		 9669static int wpa_driver_nl80211_deinit_ap(void *priv)
9670{
a2e40bb6
FF		 9671 struct i802_bss *bss = priv;
9672 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 9673 if (!is_ap_interface(drv->nlmode))
af473088
JM		 9674 return -1;
9675 wpa_driver_nl80211_del_beacon(drv);
60b13c20
IP		 9676
9677 /*
9678 * If the P2P GO interface was dynamically added, then it is
9679 * possible that the interface change to station is not possible.
9680 */
9681 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
9682 return 0;
9683
b1f625e0 9684 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 9685}
9686
9687
695c7038
SW		 9688static int wpa_driver_nl80211_stop_ap(void *priv)
9689{
9690 struct i802_bss *bss = priv;
9691 struct wpa_driver_nl80211_data *drv = bss->drv;
9692 if (!is_ap_interface(drv->nlmode))
9693 return -1;
9694 wpa_driver_nl80211_del_beacon(drv);
9695 bss->beacon_set = 0;
9696 return 0;
9697}
9698
9699
3c29244e
EP		 9700static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
9701{
9702 struct i802_bss *bss = priv;
9703 struct wpa_driver_nl80211_data *drv = bss->drv;
9704 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
9705 return -1;
60b13c20
IP		 9706
9707 /*
9708 * If the P2P Client interface was dynamically added, then it is
9709 * possible that the interface change to station is not possible.
9710 */
9711 if (bss->if_dynamic)
9712 return 0;
9713
3c29244e
EP		 9714 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
9715}
9716
9717
207ef3fb
JM		 9718static void wpa_driver_nl80211_resume(void *priv)
9719{
a2e40bb6 9720 struct i802_bss *bss = priv;
91724d6f
AS		 9721
9722 if (i802_set_iface_flags(bss, 1))
9723 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
207ef3fb
JM		 9724}
9725
9726
7b90c16a
JM		 9727static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap,
9728 const u8 *ies, size_t ies_len)
9729{
9730 struct i802_bss *bss = priv;
9731 struct wpa_driver_nl80211_data *drv = bss->drv;
9732 int ret;
9733 u8 *data, *pos;
9734 size_t data_len;
341eebee 9735 const u8 *own_addr = bss->addr;
7b90c16a
JM		 9736
9737 if (action != 1) {
9738 wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action "
9739 "action %d", action);
9740 return -1;
9741 }
9742
9743 /*
9744 * Action frame payload:
9745 * Category[1] = 6 (Fast BSS Transition)
9746 * Action[1] = 1 (Fast BSS Transition Request)
9747 * STA Address
9748 * Target AP Address
9749 * FT IEs
9750 */
9751
73fc617d
JM		 9752 data_len = 2 + 2 * ETH_ALEN + ies_len;
9753 data = os_malloc(data_len);
7b90c16a
JM		 9754 if (data == NULL)
9755 return -1;
9756 pos = data;
9757 *pos++ = 0x06; /* FT Action category */
9758 *pos++ = action;
9759 os_memcpy(pos, own_addr, ETH_ALEN);
9760 pos += ETH_ALEN;
9761 os_memcpy(pos, target_ap, ETH_ALEN);
9762 pos += ETH_ALEN;
9763 os_memcpy(pos, ies, ies_len);
9764
190b9062
JB		 9765 ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0,
9766 drv->bssid, own_addr, drv->bssid,
b106173a 9767 data, data_len, 0);
7b90c16a
JM		 9768 os_free(data);
9769
9770 return ret;
9771}
9772
9773
b625473c
JM		 9774static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
9775{
9776 struct i802_bss *bss = priv;
9777 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 9778 struct nl_msg *msg;
9779 struct nlattr *cqm;
f0494d0f 9780 int ret = -1;
b625473c
JM		 9781
9782 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
9783 "hysteresis=%d", threshold, hysteresis);
9784
9785 msg = nlmsg_alloc();
9786 if (!msg)
9787 return -1;
9788
9fb04070 9789 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM);
b625473c
JM		 9790
9791 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
9792
8970bae8 9793 cqm = nla_nest_start(msg, NL80211_ATTR_CQM);
b625473c 9794 if (cqm == NULL)
21270bb4 9795 goto nla_put_failure;
b625473c 9796
8970bae8
JB		 9797 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold);
9798 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis);
9799 nla_nest_end(msg, cqm);
21270bb4 9800
f0494d0f 9801 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 9802 msg = NULL;
9803
9804nla_put_failure:
b625473c 9805 nlmsg_free(msg);
f0494d0f 9806 return ret;
b625473c
JM		 9807}
9808
9809
2cc8d8f4
AO		 9810/* Converts nl80211_chan_width to a common format */
9811static enum chan_width convert2width(int width)
9812{
9813 switch (width) {
9814 case NL80211_CHAN_WIDTH_20_NOHT:
9815 return CHAN_WIDTH_20_NOHT;
9816 case NL80211_CHAN_WIDTH_20:
9817 return CHAN_WIDTH_20;
9818 case NL80211_CHAN_WIDTH_40:
9819 return CHAN_WIDTH_40;
9820 case NL80211_CHAN_WIDTH_80:
9821 return CHAN_WIDTH_80;
9822 case NL80211_CHAN_WIDTH_80P80:
9823 return CHAN_WIDTH_80P80;
9824 case NL80211_CHAN_WIDTH_160:
9825 return CHAN_WIDTH_160;
9826 }
9827 return CHAN_WIDTH_UNKNOWN;
9828}
9829
9830
9831static int get_channel_width(struct nl_msg *msg, void *arg)
9832{
9833 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9834 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9835 struct wpa_signal_info *sig_change = arg;
9836
9837 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9838 genlmsg_attrlen(gnlh, 0), NULL);
9839
9840 sig_change->center_frq1 = -1;
9841 sig_change->center_frq2 = -1;
9842 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
9843
9844 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
9845 sig_change->chanwidth = convert2width(
9846 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
9847 if (tb[NL80211_ATTR_CENTER_FREQ1])
9848 sig_change->center_frq1 =
9849 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
9850 if (tb[NL80211_ATTR_CENTER_FREQ2])
9851 sig_change->center_frq2 =
9852 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
9853 }
9854
9855 return NL_SKIP;
9856}
9857
9858
9859static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
9860 struct wpa_signal_info *sig)
9861{
9862 struct nl_msg *msg;
9863
9864 msg = nlmsg_alloc();
9865 if (!msg)
9866 return -ENOMEM;
9867
9868 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_INTERFACE);
9869 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
9870
9871 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
9872
9873nla_put_failure:
9874 nlmsg_free(msg);
9875 return -ENOBUFS;
9876}
9877
9878
1c5c7273
PS		 9879static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
9880{
9881 struct i802_bss *bss = priv;
9882 struct wpa_driver_nl80211_data *drv = bss->drv;
9883 int res;
9884
9885 os_memset(si, 0, sizeof(*si));
9886 res = nl80211_get_link_signal(drv, si);
9887 if (res != 0)
9888 return res;
9889
2cc8d8f4
AO		 9890 res = nl80211_get_channel_width(drv, si);
9891 if (res != 0)
9892 return res;
9893
1c5c7273
PS		 9894 return nl80211_get_link_noise(drv, si);
9895}
9896
9897
57ebba59
JJ		 9898static int wpa_driver_nl80211_shared_freq(void *priv)
9899{
9900 struct i802_bss *bss = priv;
9901 struct wpa_driver_nl80211_data *drv = bss->drv;
9902 struct wpa_driver_nl80211_data *driver;
9903 int freq = 0;
9904
9905 /*
9906 * If the same PHY is in connected state with some other interface,
9907 * then retrieve the assoc freq.
9908 */
9909 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
9910 drv->phyname);
9911
9912 dl_list_for_each(driver, &drv->global->interfaces,
9913 struct wpa_driver_nl80211_data, list) {
9914 if (drv == driver ||
9915 os_strcmp(drv->phyname, driver->phyname) != 0 ||
9916 !driver->associated)
9917 continue;
9918
9919 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
9920 MACSTR,
9921 driver->phyname, driver->first_bss.ifname,
341eebee 9922 MAC2STR(driver->first_bss.addr));
d3bd0f05
JJ		 9923 if (is_ap_interface(driver->nlmode))
9924 freq = driver->first_bss.freq;
9925 else
9926 freq = nl80211_get_assoc_freq(driver);
57ebba59
JJ		 9927 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
9928 drv->phyname, freq);
9929 }
9930
9931 if (!freq)
9932 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
9933 "PHY (%s) in associated state", drv->phyname);
9934
9935 return freq;
9936}
9937
9938
b91ab76e
JM		 9939static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
9940 int encrypt)
9941{
9942 struct i802_bss *bss = priv;
55231068
JM		 9943 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
9944 0, 0, 0, 0);
b91ab76e
JM		 9945}
9946
9947
c55f774d
JM		 9948static int nl80211_set_param(void *priv, const char *param)
9949{
c55f774d
JM		 9950 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
9951 if (param == NULL)
9952 return 0;
9953
9954#ifdef CONFIG_P2P
9955 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 9956 struct i802_bss *bss = priv;
9957 struct wpa_driver_nl80211_data *drv = bss->drv;
9958
c55f774d
JM		 9959 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
9960 "interface");
9961 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
9962 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
9963 }
851b0c55
JM		 9964
9965 if (os_strstr(param, "p2p_device=1")) {
9966 struct i802_bss *bss = priv;
9967 struct wpa_driver_nl80211_data *drv = bss->drv;
9968 drv->allow_p2p_device = 1;
9969 }
c55f774d
JM		 9970#endif /* CONFIG_P2P */
9971
9972 return 0;
9973}
9974
9975
f2ed8023
JM		 9976static void * nl80211_global_init(void)
9977{
9978 struct nl80211_global *global;
36d84860
BG		 9979 struct netlink_config *cfg;
9980
f2ed8023
JM		 9981 global = os_zalloc(sizeof(*global));
9982 if (global == NULL)
9983 return NULL;
c81eff1a 9984 global->ioctl_sock = -1;
f2ed8023 9985 dl_list_init(&global->interfaces);
ff6a158b 9986 global->if_add_ifindex = -1;
36d84860
BG		 9987
9988 cfg = os_zalloc(sizeof(*cfg));
9989 if (cfg == NULL)
9990 goto err;
9991
9992 cfg->ctx = global;
9993 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
9994 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
9995 global->netlink = netlink_init(cfg);
9996 if (global->netlink == NULL) {
9997 os_free(cfg);
9998 goto err;
9999 }
10000
2a7b66f5
BG		 10001 if (wpa_driver_nl80211_init_nl_global(global) < 0)
10002 goto err;
10003
c81eff1a
BG		 10004 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
10005 if (global->ioctl_sock < 0) {
10006 perror("socket(PF_INET,SOCK_DGRAM)");
10007 goto err;
10008 }
10009
f2ed8023 10010 return global;
36d84860
BG		 10011
10012err:
10013 nl80211_global_deinit(global);
10014 return NULL;
f2ed8023
JM		 10015}
10016
10017
10018static void nl80211_global_deinit(void *priv)
10019{
10020 struct nl80211_global *global = priv;
10021 if (global == NULL)
10022 return;
10023 if (!dl_list_empty(&global->interfaces)) {
10024 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
10025 "nl80211_global_deinit",
10026 dl_list_len(&global->interfaces));
10027 }
36d84860
BG		 10028
10029 if (global->netlink)
10030 netlink_deinit(global->netlink);
10031
276e2d67
BG		 10032 nl_destroy_handles(&global->nl);
10033
5f65e9f7
JB		 10034 if (global->nl_event)
10035 nl80211_destroy_eloop_handle(&global->nl_event);
d6c9aab8
JB		 10036
10037 nl_cb_put(global->nl_cb);
2a7b66f5 10038
c81eff1a
BG		 10039 if (global->ioctl_sock >= 0)
10040 close(global->ioctl_sock);
10041
f2ed8023
JM		 10042 os_free(global);
10043}
10044
10045
6859f1cb
BG		 10046static const char * nl80211_get_radio_name(void *priv)
10047{
10048 struct i802_bss *bss = priv;
10049 struct wpa_driver_nl80211_data *drv = bss->drv;
10050 return drv->phyname;
10051}
10052
10053
a6efc65d
JM		 10054static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
10055 const u8 *pmkid)
10056{
10057 struct nl_msg *msg;
10058
10059 msg = nlmsg_alloc();
10060 if (!msg)
10061 return -ENOMEM;
10062
9fb04070 10063 nl80211_cmd(bss->drv, msg, 0, cmd);
a6efc65d
JM		 10064
10065 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
10066 if (pmkid)
10067 NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid);
10068 if (bssid)
10069 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
10070
10071 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
10072 nla_put_failure:
9e088e74 10073 nlmsg_free(msg);
a6efc65d
JM		 10074 return -ENOBUFS;
10075}
10076
10077
10078static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
10079{
10080 struct i802_bss *bss = priv;
10081 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
10082 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
10083}
10084
10085
10086static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
10087{
10088 struct i802_bss *bss = priv;
10089 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
10090 MAC2STR(bssid));
10091 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
10092}
10093
10094
10095static int nl80211_flush_pmkid(void *priv)
10096{
10097 struct i802_bss *bss = priv;
10098 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
10099 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
10100}
10101
10102
0185007c
MK		 10103static void clean_survey_results(struct survey_results *survey_results)
10104{
10105 struct freq_survey *survey, *tmp;
10106
10107 if (dl_list_empty(&survey_results->survey_list))
10108 return;
10109
10110 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
10111 struct freq_survey, list) {
10112 dl_list_del(&survey->list);
10113 os_free(survey);
10114 }
10115}
10116
10117
10118static void add_survey(struct nlattr **sinfo, u32 ifidx,
10119 struct dl_list *survey_list)
10120{
10121 struct freq_survey *survey;
10122
10123 survey = os_zalloc(sizeof(struct freq_survey));
10124 if (!survey)
10125 return;
10126
10127 survey->ifidx = ifidx;
10128 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
10129 survey->filled = 0;
10130
10131 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
10132 survey->nf = (int8_t)
10133 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
10134 survey->filled |= SURVEY_HAS_NF;
10135 }
10136
10137 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
10138 survey->channel_time =
10139 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
10140 survey->filled |= SURVEY_HAS_CHAN_TIME;
10141 }
10142
10143 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
10144 survey->channel_time_busy =
10145 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
10146 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
10147 }
10148
10149 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
10150 survey->channel_time_rx =
10151 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
10152 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
10153 }
10154
10155 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
10156 survey->channel_time_tx =
10157 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
10158 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
10159 }
10160
10161 wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)",
10162 survey->freq,
10163 survey->nf,
10164 (unsigned long int) survey->channel_time,
10165 (unsigned long int) survey->channel_time_busy,
10166 (unsigned long int) survey->channel_time_tx,
10167 (unsigned long int) survey->channel_time_rx,
10168 survey->filled);
10169
10170 dl_list_add_tail(survey_list, &survey->list);
10171}
10172
10173
10174static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
10175 unsigned int freq_filter)
10176{
10177 if (!freq_filter)
10178 return 1;
10179
10180 return freq_filter == surveyed_freq;
10181}
10182
10183
10184static int survey_handler(struct nl_msg *msg, void *arg)
10185{
10186 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10187 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10188 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
10189 struct survey_results *survey_results;
10190 u32 surveyed_freq = 0;
10191 u32 ifidx;
10192
10193 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
10194 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
10195 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
10196 };
10197
10198 survey_results = (struct survey_results *) arg;
10199
10200 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10201 genlmsg_attrlen(gnlh, 0), NULL);
10202
10203 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
10204
10205 if (!tb[NL80211_ATTR_SURVEY_INFO])
10206 return NL_SKIP;
10207
10208 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
10209 tb[NL80211_ATTR_SURVEY_INFO],
10210 survey_policy))
10211 return NL_SKIP;
10212
10213 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
10214 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
10215 return NL_SKIP;
10216 }
10217
10218 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
10219
10220 if (!check_survey_ok(sinfo, surveyed_freq,
10221 survey_results->freq_filter))
10222 return NL_SKIP;
10223
10224 if (survey_results->freq_filter &&
10225 survey_results->freq_filter != surveyed_freq) {
10226 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
10227 surveyed_freq);
10228 return NL_SKIP;
10229 }
10230
10231 add_survey(sinfo, ifidx, &survey_results->survey_list);
10232
10233 return NL_SKIP;
10234}
10235
10236
10237static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
10238{
10239 struct i802_bss *bss = priv;
10240 struct wpa_driver_nl80211_data *drv = bss->drv;
10241 struct nl_msg *msg;
10242 int err = -ENOBUFS;
10243 union wpa_event_data data;
10244 struct survey_results *survey_results;
10245
10246 os_memset(&data, 0, sizeof(data));
10247 survey_results = &data.survey_results;
10248
10249 dl_list_init(&survey_results->survey_list);
10250
10251 msg = nlmsg_alloc();
10252 if (!msg)
10253 goto nla_put_failure;
10254
10255 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
10256
10257 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10258
10259 if (freq)
10260 data.survey_results.freq_filter = freq;
10261
10262 do {
10263 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
10264 err = send_and_recv_msgs(drv, msg, survey_handler,
10265 survey_results);
10266 } while (err > 0);
10267
10268 if (err) {
10269 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
10270 goto out_clean;
10271 }
10272
10273 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
10274
10275out_clean:
10276 clean_survey_results(survey_results);
10277nla_put_failure:
10278 return err;
10279}
10280
10281
b14a210c
JB		 10282static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
10283 const u8 *replay_ctr)
10284{
10285 struct i802_bss *bss = priv;
10286 struct wpa_driver_nl80211_data *drv = bss->drv;
10287 struct nlattr *replay_nested;
10288 struct nl_msg *msg;
10289
10290 msg = nlmsg_alloc();
10291 if (!msg)
10292 return;
10293
9fb04070 10294 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
b14a210c
JB		 10295
10296 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10297
10298 replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
10299 if (!replay_nested)
10300 goto nla_put_failure;
10301
10302 NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek);
10303 NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck);
10304 NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
10305 replay_ctr);
10306
10307 nla_nest_end(msg, replay_nested);
10308
10309 send_and_recv_msgs(drv, msg, NULL, NULL);
10310 return;
10311 nla_put_failure:
10312 nlmsg_free(msg);
10313}
10314
10315
39718852
JB		 10316static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
10317 const u8 *addr, int qos)
bcf24348 10318{
39718852
JB		 10319 /* send data frame to poll STA and check whether
10320 * this frame is ACKed */
bcf24348
JB		 10321 struct {
10322 struct ieee80211_hdr hdr;
10323 u16 qos_ctl;
10324 } STRUCT_PACKED nulldata;
10325 size_t size;
10326
10327 /* Send data frame to poll STA and check whether this frame is ACKed */
10328
10329 os_memset(&nulldata, 0, sizeof(nulldata));
10330
10331 if (qos) {
10332 nulldata.hdr.frame_control =
10333 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10334 WLAN_FC_STYPE_QOS_NULL);
10335 size = sizeof(nulldata);
10336 } else {
10337 nulldata.hdr.frame_control =
10338 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10339 WLAN_FC_STYPE_NULLFUNC);
10340 size = sizeof(struct ieee80211_hdr);
10341 }
10342
10343 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
10344 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
10345 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
10346 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
10347
9ebce9c5
JM		 10348 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
10349 0, 0) < 0)
bcf24348
JB		 10350 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
10351 "send poll frame");
10352}
10353
39718852
JB		 10354static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
10355 int qos)
10356{
10357 struct i802_bss *bss = priv;
10358 struct wpa_driver_nl80211_data *drv = bss->drv;
10359 struct nl_msg *msg;
10360
10361 if (!drv->poll_command_supported) {
10362 nl80211_send_null_frame(bss, own_addr, addr, qos);
10363 return;
10364 }
10365
10366 msg = nlmsg_alloc();
10367 if (!msg)
10368 return;
10369
10370 nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT);
10371
10372 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10373 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
10374
10375 send_and_recv_msgs(drv, msg, NULL, NULL);
10376 return;
10377 nla_put_failure:
10378 nlmsg_free(msg);
10379}
10380
bcf24348 10381
29f338af
JM		 10382static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
10383{
10384 struct nl_msg *msg;
10385
10386 msg = nlmsg_alloc();
10387 if (!msg)
10388 return -ENOMEM;
10389
10390 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE);
10391 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10392 NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE,
10393 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED);
10394 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
10395nla_put_failure:
10396 nlmsg_free(msg);
10397 return -ENOBUFS;
10398}
10399
10400
10401static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
10402 int ctwindow)
10403{
10404 struct i802_bss *bss = priv;
10405
10406 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
10407 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
10408
10409 if (opp_ps != -1 || ctwindow != -1)
10410 return -1; /* Not yet supported */
10411
10412 if (legacy_ps == -1)
10413 return 0;
10414 if (legacy_ps != 0 && legacy_ps != 1)
10415 return -1; /* Not yet supported */
10416
10417 return nl80211_set_power_save(bss, legacy_ps);
10418}
10419
10420
04e8003c
JD		 10421static int nl80211_start_radar_detection(void *priv,
10422 struct hostapd_freq_params *freq)
f90e9c1c
SW		 10423{
10424 struct i802_bss *bss = priv;
10425 struct wpa_driver_nl80211_data *drv = bss->drv;
10426 struct nl_msg *msg;
10427 int ret;
10428
04e8003c
JD		 10429 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
10430 freq->freq, freq->ht_enabled, freq->vht_enabled,
10431 freq->bandwidth, freq->center_freq1, freq->center_freq2);
10432
f90e9c1c
SW		 10433 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
10434 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
10435 "detection");
10436 return -1;
10437 }
10438
10439 msg = nlmsg_alloc();
10440 if (!msg)
10441 return -1;
10442
10443 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_RADAR_DETECT);
10444 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
04e8003c 10445 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
f90e9c1c 10446
04e8003c
JD		 10447 if (freq->vht_enabled) {
10448 switch (freq->bandwidth) {
10449 case 20:
10450 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
10451 NL80211_CHAN_WIDTH_20);
10452 break;
10453 case 40:
10454 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
10455 NL80211_CHAN_WIDTH_40);
10456 break;
10457 case 80:
10458 if (freq->center_freq2)
10459 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
10460 NL80211_CHAN_WIDTH_80P80);
10461 else
10462 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
10463 NL80211_CHAN_WIDTH_80);
10464 break;
10465 case 160:
10466 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
10467 NL80211_CHAN_WIDTH_160);
10468 break;
10469 default:
10470 return -1;
10471 }
10472 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1);
10473 if (freq->center_freq2)
10474 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2,
10475 freq->center_freq2);
10476 } else if (freq->ht_enabled) {
10477 switch (freq->sec_channel_offset) {
10478 case -1:
10479 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
10480 NL80211_CHAN_HT40MINUS);
10481 break;
10482 case 1:
10483 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
10484 NL80211_CHAN_HT40PLUS);
10485 break;
10486 default:
10487 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
10488 NL80211_CHAN_HT20);
10489 break;
10490 }
10491 }
f90e9c1c
SW		 10492
10493 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10494 if (ret == 0)
10495 return 0;
10496 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
10497 "%d (%s)", ret, strerror(-ret));
10498nla_put_failure:
10499 return -1;
10500}
10501
03ea1786
AN		 10502#ifdef CONFIG_TDLS
10503
10504static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
10505 u8 dialog_token, u16 status_code,
10506 const u8 *buf, size_t len)
10507{
10508 struct i802_bss *bss = priv;
10509 struct wpa_driver_nl80211_data *drv = bss->drv;
10510 struct nl_msg *msg;
10511
10512 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10513 return -EOPNOTSUPP;
10514
10515 if (!dst)
10516 return -EINVAL;
10517
10518 msg = nlmsg_alloc();
10519 if (!msg)
10520 return -ENOMEM;
10521
10522 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT);
10523 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10524 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
10525 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code);
10526 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token);
10527 NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code);
10528 NLA_PUT(msg, NL80211_ATTR_IE, len, buf);
10529
10530 return send_and_recv_msgs(drv, msg, NULL, NULL);
10531
10532nla_put_failure:
10533 nlmsg_free(msg);
10534 return -ENOBUFS;
10535}
10536
10537
10538static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
10539{
10540 struct i802_bss *bss = priv;
10541 struct wpa_driver_nl80211_data *drv = bss->drv;
10542 struct nl_msg *msg;
10543 enum nl80211_tdls_operation nl80211_oper;
10544
10545 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10546 return -EOPNOTSUPP;
10547
10548 switch (oper) {
10549 case TDLS_DISCOVERY_REQ:
10550 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
10551 break;
10552 case TDLS_SETUP:
10553 nl80211_oper = NL80211_TDLS_SETUP;
10554 break;
10555 case TDLS_TEARDOWN:
10556 nl80211_oper = NL80211_TDLS_TEARDOWN;
10557 break;
10558 case TDLS_ENABLE_LINK:
10559 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
10560 break;
10561 case TDLS_DISABLE_LINK:
10562 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
10563 break;
10564 case TDLS_ENABLE:
10565 return 0;
10566 case TDLS_DISABLE:
10567 return 0;
10568 default:
10569 return -EINVAL;
10570 }
10571
10572 msg = nlmsg_alloc();
10573 if (!msg)
10574 return -ENOMEM;
10575
10576 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER);
10577 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper);
10578 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10579 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer);
10580
10581 return send_and_recv_msgs(drv, msg, NULL, NULL);
10582
10583nla_put_failure:
10584 nlmsg_free(msg);
10585 return -ENOBUFS;
10586}
10587
10588#endif /* CONFIG TDLS */
10589
10590
216eede8
DS		 10591#ifdef ANDROID
10592
10593typedef struct android_wifi_priv_cmd {
10594 char *buf;
10595 int used_len;
10596 int total_len;
10597} android_wifi_priv_cmd;
10598
10599static int drv_errors = 0;
10600
10601static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv)
10602{
10603 drv_errors++;
10604 if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) {
10605 drv_errors = 0;
10606 wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED");
10607 }
10608}
10609
10610
10611static int android_priv_cmd(struct i802_bss *bss, const char *cmd)
10612{
10613 struct wpa_driver_nl80211_data *drv = bss->drv;
10614 struct ifreq ifr;
10615 android_wifi_priv_cmd priv_cmd;
10616 char buf[MAX_DRV_CMD_SIZE];
10617 int ret;
10618
10619 os_memset(&ifr, 0, sizeof(ifr));
10620 os_memset(&priv_cmd, 0, sizeof(priv_cmd));
10621 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
10622
10623 os_memset(buf, 0, sizeof(buf));
10624 os_strlcpy(buf, cmd, sizeof(buf));
10625
10626 priv_cmd.buf = buf;
10627 priv_cmd.used_len = sizeof(buf);
10628 priv_cmd.total_len = sizeof(buf);
10629 ifr.ifr_data = &priv_cmd;
10630
10631 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
10632 if (ret < 0) {
10633 wpa_printf(MSG_ERROR, "%s: failed to issue private commands",
10634 __func__);
10635 wpa_driver_send_hang_msg(drv);
10636 return ret;
10637 }
10638
10639 drv_errors = 0;
10640 return 0;
10641}
10642
10643
10644static int android_pno_start(struct i802_bss *bss,
10645 struct wpa_driver_scan_params *params)
10646{
10647 struct wpa_driver_nl80211_data *drv = bss->drv;
10648 struct ifreq ifr;
10649 android_wifi_priv_cmd priv_cmd;
10650 int ret = 0, i = 0, bp;
10651 char buf[WEXT_PNO_MAX_COMMAND_SIZE];
10652
10653 bp = WEXT_PNOSETUP_HEADER_SIZE;
10654 os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp);
10655 buf[bp++] = WEXT_PNO_TLV_PREFIX;
10656 buf[bp++] = WEXT_PNO_TLV_VERSION;
10657 buf[bp++] = WEXT_PNO_TLV_SUBVERSION;
10658 buf[bp++] = WEXT_PNO_TLV_RESERVED;
10659
10660 while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) {
10661 /* Check that there is enough space needed for 1 more SSID, the
10662 * other sections and null termination */
10663 if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN +
10664 WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf))
10665 break;
10666 wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan",
a97bde0a
JM		 10667 params->ssids[i].ssid,
10668 params->ssids[i].ssid_len);
216eede8
DS		 10669 buf[bp++] = WEXT_PNO_SSID_SECTION;
10670 buf[bp++] = params->ssids[i].ssid_len;
10671 os_memcpy(&buf[bp], params->ssids[i].ssid,
10672 params->ssids[i].ssid_len);
10673 bp += params->ssids[i].ssid_len;
10674 i++;
10675 }
10676
10677 buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION;
10678 os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x",
10679 WEXT_PNO_SCAN_INTERVAL);
10680 bp += WEXT_PNO_SCAN_INTERVAL_LENGTH;
10681
10682 buf[bp++] = WEXT_PNO_REPEAT_SECTION;
10683 os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x",
10684 WEXT_PNO_REPEAT);
10685 bp += WEXT_PNO_REPEAT_LENGTH;
10686
10687 buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION;
10688 os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x",
10689 WEXT_PNO_MAX_REPEAT);
10690 bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1;
10691
10692 memset(&ifr, 0, sizeof(ifr));
10693 memset(&priv_cmd, 0, sizeof(priv_cmd));
24f051eb 10694 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
216eede8
DS		 10695
10696 priv_cmd.buf = buf;
10697 priv_cmd.used_len = bp;
10698 priv_cmd.total_len = bp;
10699 ifr.ifr_data = &priv_cmd;
10700
10701 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
10702
10703 if (ret < 0) {
10704 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d",
10705 ret);
10706 wpa_driver_send_hang_msg(drv);
10707 return ret;
10708 }
10709
10710 drv_errors = 0;
10711
10712 return android_priv_cmd(bss, "PNOFORCE 1");
10713}
10714
10715
10716static int android_pno_stop(struct i802_bss *bss)
10717{
10718 return android_priv_cmd(bss, "PNOFORCE 0");
10719}
10720
10721#endif /* ANDROID */
10722
10723
9ebce9c5
JM		 10724static int driver_nl80211_set_key(const char *ifname, void *priv,
10725 enum wpa_alg alg, const u8 *addr,
10726 int key_idx, int set_tx,
10727 const u8 *seq, size_t seq_len,
10728 const u8 *key, size_t key_len)
10729{
10730 struct i802_bss *bss = priv;
10731 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
10732 set_tx, seq, seq_len, key, key_len);
10733}
10734
10735
10736static int driver_nl80211_scan2(void *priv,
10737 struct wpa_driver_scan_params *params)
10738{
10739 struct i802_bss *bss = priv;
10740 return wpa_driver_nl80211_scan(bss, params);
10741}
10742
10743
10744static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
10745 int reason_code)
10746{
10747 struct i802_bss *bss = priv;
10748 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
10749}
10750
10751
10752static int driver_nl80211_authenticate(void *priv,
10753 struct wpa_driver_auth_params *params)
10754{
10755 struct i802_bss *bss = priv;
10756 return wpa_driver_nl80211_authenticate(bss, params);
10757}
10758
10759
10760static void driver_nl80211_deinit(void *priv)
10761{
10762 struct i802_bss *bss = priv;
10763 wpa_driver_nl80211_deinit(bss);
10764}
10765
10766
10767static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
10768 const char *ifname)
10769{
10770 struct i802_bss *bss = priv;
10771 return wpa_driver_nl80211_if_remove(bss, type, ifname);
10772}
10773
10774
10775static int driver_nl80211_send_mlme(void *priv, const u8 *data,
10776 size_t data_len, int noack)
10777{
10778 struct i802_bss *bss = priv;
10779 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
10780 0, 0, 0, 0);
10781}
10782
10783
10784static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
10785{
10786 struct i802_bss *bss = priv;
10787 return wpa_driver_nl80211_sta_remove(bss, addr);
10788}
10789
10790
10791#if defined(HOSTAPD) || defined(CONFIG_AP)
10792static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
10793 const char *ifname, int vlan_id)
10794{
10795 struct i802_bss *bss = priv;
10796 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
10797}
10798#endif /* HOSTAPD || CONFIG_AP */
10799
10800
10801static int driver_nl80211_read_sta_data(void *priv,
10802 struct hostap_sta_driver_data *data,
10803 const u8 *addr)
10804{
10805 struct i802_bss *bss = priv;
10806 return i802_read_sta_data(bss, data, addr);
10807}
10808
10809
10810static int driver_nl80211_send_action(void *priv, unsigned int freq,
10811 unsigned int wait_time,
10812 const u8 *dst, const u8 *src,
10813 const u8 *bssid,
10814 const u8 *data, size_t data_len,
10815 int no_cck)
10816{
10817 struct i802_bss *bss = priv;
10818 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
10819 bssid, data, data_len, no_cck);
10820}
10821
10822
10823static int driver_nl80211_probe_req_report(void *priv, int report)
10824{
10825 struct i802_bss *bss = priv;
10826 return wpa_driver_nl80211_probe_req_report(bss, report);
10827}
10828
10829
6a1ce395
DG		 10830static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
10831 const u8 *ies, size_t ies_len)
10832{
10833 int ret;
10834 struct nl_msg *msg;
10835 struct i802_bss *bss = priv;
10836 struct wpa_driver_nl80211_data *drv = bss->drv;
10837 u16 mdid = WPA_GET_LE16(md);
10838
10839 msg = nlmsg_alloc();
10840 if (!msg)
10841 return -ENOMEM;
10842
10843 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
10844 nl80211_cmd(drv, msg, 0, NL80211_CMD_UPDATE_FT_IES);
10845 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10846 NLA_PUT(msg, NL80211_ATTR_IE, ies_len, ies);
10847 NLA_PUT_U16(msg, NL80211_ATTR_MDID, mdid);
10848
10849 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10850 if (ret) {
10851 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
10852 "err=%d (%s)", ret, strerror(-ret));
10853 }
10854
10855 return ret;
10856
10857nla_put_failure:
10858 nlmsg_free(msg);
10859 return -ENOBUFS;
10860}
10861
10862
597b94f5
AS		 10863const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
10864{
10865 struct i802_bss *bss = priv;
10866 struct wpa_driver_nl80211_data *drv = bss->drv;
10867
10868 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
10869 return NULL;
10870
10871 return bss->addr;
10872}
10873
10874
a771c07d
JM		 10875static const char * scan_state_str(enum scan_states scan_state)
10876{
10877 switch (scan_state) {
10878 case NO_SCAN:
10879 return "NO_SCAN";
10880 case SCAN_REQUESTED:
10881 return "SCAN_REQUESTED";
10882 case SCAN_STARTED:
10883 return "SCAN_STARTED";
10884 case SCAN_COMPLETED:
10885 return "SCAN_COMPLETED";
10886 case SCAN_ABORTED:
10887 return "SCAN_ABORTED";
10888 case SCHED_SCAN_STARTED:
10889 return "SCHED_SCAN_STARTED";
10890 case SCHED_SCAN_STOPPED:
10891 return "SCHED_SCAN_STOPPED";
10892 case SCHED_SCAN_RESULTS:
10893 return "SCHED_SCAN_RESULTS";
10894 }
10895
10896 return "??";
10897}
10898
10899
10900static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
10901{
10902 struct i802_bss *bss = priv;
10903 struct wpa_driver_nl80211_data *drv = bss->drv;
10904 int res;
10905 char *pos, *end;
10906
10907 pos = buf;
10908 end = buf + buflen;
10909
10910 res = os_snprintf(pos, end - pos,
10911 "ifindex=%d\n"
10912 "ifname=%s\n"
10913 "brname=%s\n"
10914 "addr=" MACSTR "\n"
10915 "freq=%d\n"
10916 "%s%s%s%s%s",
10917 bss->ifindex,
10918 bss->ifname,
10919 bss->brname,
10920 MAC2STR(bss->addr),
10921 bss->freq,
10922 bss->beacon_set ? "beacon_set=1\n" : "",
10923 bss->added_if_into_bridge ?
10924 "added_if_into_bridge=1\n" : "",
10925 bss->added_bridge ? "added_bridge=1\n" : "",
10926 bss->in_deinit ? "in_deinit=1\n" : "",
10927 bss->if_dynamic ? "if_dynamic=1\n" : "");
10928 if (res < 0 || res >= end - pos)
10929 return pos - buf;
10930 pos += res;
10931
10932 if (bss->wdev_id_set) {
10933 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
10934 (unsigned long long) bss->wdev_id);
10935 if (res < 0 || res >= end - pos)
10936 return pos - buf;
10937 pos += res;
10938 }
10939
10940 res = os_snprintf(pos, end - pos,
10941 "phyname=%s\n"
10942 "drv_ifindex=%d\n"
10943 "operstate=%d\n"
10944 "scan_state=%s\n"
10945 "auth_bssid=" MACSTR "\n"
10946 "auth_attempt_bssid=" MACSTR "\n"
10947 "bssid=" MACSTR "\n"
10948 "prev_bssid=" MACSTR "\n"
10949 "associated=%d\n"
10950 "assoc_freq=%u\n"
10951 "monitor_sock=%d\n"
10952 "monitor_ifidx=%d\n"
10953 "monitor_refcount=%d\n"
10954 "last_mgmt_freq=%u\n"
10955 "eapol_tx_sock=%d\n"
10956 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
10957 drv->phyname,
10958 drv->ifindex,
10959 drv->operstate,
10960 scan_state_str(drv->scan_state),
10961 MAC2STR(drv->auth_bssid),
10962 MAC2STR(drv->auth_attempt_bssid),
10963 MAC2STR(drv->bssid),
10964 MAC2STR(drv->prev_bssid),
10965 drv->associated,
10966 drv->assoc_freq,
10967 drv->monitor_sock,
10968 drv->monitor_ifidx,
10969 drv->monitor_refcount,
10970 drv->last_mgmt_freq,
10971 drv->eapol_tx_sock,
10972 drv->ignore_if_down_event ?
10973 "ignore_if_down_event=1\n" : "",
10974 drv->scan_complete_events ?
10975 "scan_complete_events=1\n" : "",
10976 drv->disabled_11b_rates ?
10977 "disabled_11b_rates=1\n" : "",
10978 drv->pending_remain_on_chan ?
10979 "pending_remain_on_chan=1\n" : "",
10980 drv->in_interface_list ? "in_interface_list=1\n" : "",
10981 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
10982 drv->poll_command_supported ?
10983 "poll_command_supported=1\n" : "",
10984 drv->data_tx_status ? "data_tx_status=1\n" : "",
10985 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
10986 drv->retry_auth ? "retry_auth=1\n" : "",
10987 drv->use_monitor ? "use_monitor=1\n" : "",
10988 drv->ignore_next_local_disconnect ?
10989 "ignore_next_local_disconnect=1\n" : "",
10990 drv->allow_p2p_device ? "allow_p2p_device=1\n" : "");
10991 if (res < 0 || res >= end - pos)
10992 return pos - buf;
10993 pos += res;
10994
10995 if (drv->has_capability) {
10996 res = os_snprintf(pos, end - pos,
10997 "capa.key_mgmt=0x%x\n"
10998 "capa.enc=0x%x\n"
10999 "capa.auth=0x%x\n"
11000 "capa.flags=0x%x\n"
11001 "capa.max_scan_ssids=%d\n"
11002 "capa.max_sched_scan_ssids=%d\n"
11003 "capa.sched_scan_supported=%d\n"
11004 "capa.max_match_sets=%d\n"
11005 "capa.max_remain_on_chan=%u\n"
11006 "capa.max_stations=%u\n"
11007 "capa.probe_resp_offloads=0x%x\n"
11008 "capa.max_acl_mac_addrs=%u\n"
11009 "capa.num_multichan_concurrent=%u\n",
11010 drv->capa.key_mgmt,
11011 drv->capa.enc,
11012 drv->capa.auth,
11013 drv->capa.flags,
11014 drv->capa.max_scan_ssids,
11015 drv->capa.max_sched_scan_ssids,
11016 drv->capa.sched_scan_supported,
11017 drv->capa.max_match_sets,
11018 drv->capa.max_remain_on_chan,
11019 drv->capa.max_stations,
11020 drv->capa.probe_resp_offloads,
11021 drv->capa.max_acl_mac_addrs,
11022 drv->capa.num_multichan_concurrent);
11023 if (res < 0 || res >= end - pos)
11024 return pos - buf;
11025 pos += res;
11026 }
11027
11028 return pos - buf;
11029}
11030
11031
3f5285e8
JM		 11032const struct wpa_driver_ops wpa_driver_nl80211_ops = {
11033 .name = "nl80211",
11034 .desc = "Linux nl80211/cfg80211",
11035 .get_bssid = wpa_driver_nl80211_get_bssid,
11036 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 11037 .set_key = driver_nl80211_set_key,
11038 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 11039 .sched_scan = wpa_driver_nl80211_sched_scan,
11040 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 11041 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
9ebce9c5
JM		 11042 .deauthenticate = driver_nl80211_deauthenticate,
11043 .authenticate = driver_nl80211_authenticate,
3f5285e8 11044 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 11045 .global_init = nl80211_global_init,
11046 .global_deinit = nl80211_global_deinit,
11047 .init2 = wpa_driver_nl80211_init,
9ebce9c5 11048 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 11049 .get_capa = wpa_driver_nl80211_get_capa,
11050 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 11051 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 11052 .set_country = wpa_driver_nl80211_set_country,
19c3b566 11053 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 11054 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 11055 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 11056 .if_remove = driver_nl80211_if_remove,
11057 .send_mlme = driver_nl80211_send_mlme,
c3965310 11058 .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
0f4e8b4f 11059 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 11060 .sta_remove = driver_nl80211_sta_remove,
db149ac9 11061 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 11062 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837
JM		 11063#ifdef HOSTAPD
11064 .hapd_init = i802_init,
c5121837 11065 .hapd_deinit = i802_deinit,
f7b3920c
JM		 11066 .set_wds_sta = i802_set_wds_sta,
11067#endif /* HOSTAPD */
11068#if defined(HOSTAPD) || defined(CONFIG_AP)
c5121837
JM		 11069 .get_seqnum = i802_get_seqnum,
11070 .flush = i802_flush,
c5121837
JM		 11071 .get_inact_sec = i802_get_inact_sec,
11072 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 11073 .set_rts = i802_set_rts,
11074 .set_frag = i802_set_frag,
c5121837 11075 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 11076 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 11077 .sta_deauth = i802_sta_deauth,
11078 .sta_disassoc = i802_sta_disassoc,
11079#endif /* HOSTAPD || CONFIG_AP */
9ebce9c5 11080 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 11081 .set_freq = i802_set_freq,
9ebce9c5 11082 .send_action = driver_nl80211_send_action,
5dfca53f 11083 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 11084 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
11085 .cancel_remain_on_channel =
11086 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 11087 .probe_req_report = driver_nl80211_probe_req_report,
af473088 11088 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 11089 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 11090 .resume = wpa_driver_nl80211_resume,
7b90c16a 11091 .send_ft_action = nl80211_send_ft_action,
b625473c 11092 .signal_monitor = nl80211_signal_monitor,
1c5c7273 11093 .signal_poll = nl80211_signal_poll,
b91ab76e 11094 .send_frame = nl80211_send_frame,
57ebba59 11095 .shared_freq = wpa_driver_nl80211_shared_freq,
c55f774d 11096 .set_param = nl80211_set_param,
6859f1cb 11097 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 11098 .add_pmkid = nl80211_add_pmkid,
11099 .remove_pmkid = nl80211_remove_pmkid,
11100 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 11101 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 11102 .poll_client = nl80211_poll_client,
29f338af 11103 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 11104 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 11105 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 11106#ifdef CONFIG_TDLS
11107 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11108 .tdls_oper = nl80211_tdls_oper,
11109#endif /* CONFIG_TDLS */
6a1ce395 11110 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 11111 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 11112 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 11113 .status = wpa_driver_nl80211_status,
3f5285e8 11114};
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