src/drivers/driver_nl80211_event.c

   1 /*
   2  * Driver interaction with Linux nl80211/cfg80211 - Event processing
   3  * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
   4  * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
   5  * Copyright (c) 2009-2010, Atheros Communications
   6  *
   7  * This software may be distributed under the terms of the BSD license.
   8  * See README for more details.
   9  */
  10
  11 #include "includes.h"
  12 #include <netlink/genl/genl.h>
  13
  14 #include "utils/common.h"
  15 #include "utils/eloop.h"
  16 #include "common/qca-vendor.h"
  17 #include "common/qca-vendor-attr.h"
  18 #include "common/ieee802_11_defs.h"
  19 #include "common/ieee802_11_common.h"
  20 #include "driver_nl80211.h"
  21
  22
  23 static const char * nl80211_command_to_string(enum nl80211_commands cmd)
  24 {
  25 #define C2S(x) case x: return #x;
  26         switch (cmd) {
  27         C2S(NL80211_CMD_UNSPEC)
  28         C2S(NL80211_CMD_GET_WIPHY)
  29         C2S(NL80211_CMD_SET_WIPHY)
  30         C2S(NL80211_CMD_NEW_WIPHY)
  31         C2S(NL80211_CMD_DEL_WIPHY)
  32         C2S(NL80211_CMD_GET_INTERFACE)
  33         C2S(NL80211_CMD_SET_INTERFACE)
  34         C2S(NL80211_CMD_NEW_INTERFACE)
  35         C2S(NL80211_CMD_DEL_INTERFACE)
  36         C2S(NL80211_CMD_GET_KEY)
  37         C2S(NL80211_CMD_SET_KEY)
  38         C2S(NL80211_CMD_NEW_KEY)
  39         C2S(NL80211_CMD_DEL_KEY)
  40         C2S(NL80211_CMD_GET_BEACON)
  41         C2S(NL80211_CMD_SET_BEACON)
  42         C2S(NL80211_CMD_START_AP)
  43         C2S(NL80211_CMD_STOP_AP)
  44         C2S(NL80211_CMD_GET_STATION)
  45         C2S(NL80211_CMD_SET_STATION)
  46         C2S(NL80211_CMD_NEW_STATION)
  47         C2S(NL80211_CMD_DEL_STATION)
  48         C2S(NL80211_CMD_GET_MPATH)
  49         C2S(NL80211_CMD_SET_MPATH)
  50         C2S(NL80211_CMD_NEW_MPATH)
  51         C2S(NL80211_CMD_DEL_MPATH)
  52         C2S(NL80211_CMD_SET_BSS)
  53         C2S(NL80211_CMD_SET_REG)
  54         C2S(NL80211_CMD_REQ_SET_REG)
  55         C2S(NL80211_CMD_GET_MESH_CONFIG)
  56         C2S(NL80211_CMD_SET_MESH_CONFIG)
  57         C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
  58         C2S(NL80211_CMD_GET_REG)
  59         C2S(NL80211_CMD_GET_SCAN)
  60         C2S(NL80211_CMD_TRIGGER_SCAN)
  61         C2S(NL80211_CMD_NEW_SCAN_RESULTS)
  62         C2S(NL80211_CMD_SCAN_ABORTED)
  63         C2S(NL80211_CMD_REG_CHANGE)
  64         C2S(NL80211_CMD_AUTHENTICATE)
  65         C2S(NL80211_CMD_ASSOCIATE)
  66         C2S(NL80211_CMD_DEAUTHENTICATE)
  67         C2S(NL80211_CMD_DISASSOCIATE)
  68         C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
  69         C2S(NL80211_CMD_REG_BEACON_HINT)
  70         C2S(NL80211_CMD_JOIN_IBSS)
  71         C2S(NL80211_CMD_LEAVE_IBSS)
  72         C2S(NL80211_CMD_TESTMODE)
  73         C2S(NL80211_CMD_CONNECT)
  74         C2S(NL80211_CMD_ROAM)
  75         C2S(NL80211_CMD_DISCONNECT)
  76         C2S(NL80211_CMD_SET_WIPHY_NETNS)
  77         C2S(NL80211_CMD_GET_SURVEY)
  78         C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
  79         C2S(NL80211_CMD_SET_PMKSA)
  80         C2S(NL80211_CMD_DEL_PMKSA)
  81         C2S(NL80211_CMD_FLUSH_PMKSA)
  82         C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
  83         C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
  84         C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
  85         C2S(NL80211_CMD_REGISTER_FRAME)
  86         C2S(NL80211_CMD_FRAME)
  87         C2S(NL80211_CMD_FRAME_TX_STATUS)
  88         C2S(NL80211_CMD_SET_POWER_SAVE)
  89         C2S(NL80211_CMD_GET_POWER_SAVE)
  90         C2S(NL80211_CMD_SET_CQM)
  91         C2S(NL80211_CMD_NOTIFY_CQM)
  92         C2S(NL80211_CMD_SET_CHANNEL)
  93         C2S(NL80211_CMD_SET_WDS_PEER)
  94         C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
  95         C2S(NL80211_CMD_JOIN_MESH)
  96         C2S(NL80211_CMD_LEAVE_MESH)
  97         C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
  98         C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
  99         C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
 100         C2S(NL80211_CMD_GET_WOWLAN)
 101         C2S(NL80211_CMD_SET_WOWLAN)
 102         C2S(NL80211_CMD_START_SCHED_SCAN)
 103         C2S(NL80211_CMD_STOP_SCHED_SCAN)
 104         C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
 105         C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
 106         C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
 107         C2S(NL80211_CMD_PMKSA_CANDIDATE)
 108         C2S(NL80211_CMD_TDLS_OPER)
 109         C2S(NL80211_CMD_TDLS_MGMT)
 110         C2S(NL80211_CMD_UNEXPECTED_FRAME)
 111         C2S(NL80211_CMD_PROBE_CLIENT)
 112         C2S(NL80211_CMD_REGISTER_BEACONS)
 113         C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
 114         C2S(NL80211_CMD_SET_NOACK_MAP)
 115         C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
 116         C2S(NL80211_CMD_START_P2P_DEVICE)
 117         C2S(NL80211_CMD_STOP_P2P_DEVICE)
 118         C2S(NL80211_CMD_CONN_FAILED)
 119         C2S(NL80211_CMD_SET_MCAST_RATE)
 120         C2S(NL80211_CMD_SET_MAC_ACL)
 121         C2S(NL80211_CMD_RADAR_DETECT)
 122         C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
 123         C2S(NL80211_CMD_UPDATE_FT_IES)
 124         C2S(NL80211_CMD_FT_EVENT)
 125         C2S(NL80211_CMD_CRIT_PROTOCOL_START)
 126         C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
 127         C2S(NL80211_CMD_GET_COALESCE)
 128         C2S(NL80211_CMD_SET_COALESCE)
 129         C2S(NL80211_CMD_CHANNEL_SWITCH)
 130         C2S(NL80211_CMD_VENDOR)
 131         C2S(NL80211_CMD_SET_QOS_MAP)
 132         C2S(NL80211_CMD_ADD_TX_TS)
 133         C2S(NL80211_CMD_DEL_TX_TS)
 134         default:
 135                 return "NL80211_CMD_UNKNOWN";
 136         }
 137 #undef C2S
 138 }
 139
 140
 141 static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
 142                             const u8 *frame, size_t len)
 143 {
 144         const struct ieee80211_mgmt *mgmt;
 145         union wpa_event_data event;
 146
 147         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
 148             drv->force_connect_cmd) {
 149                 /*
 150                  * Avoid reporting two association events that would confuse
 151                  * the core code.
 152                  */
 153                 wpa_printf(MSG_DEBUG,
 154                            "nl80211: Ignore auth event when using driver SME");
 155                 return;
 156         }
 157
 158         wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
 159         mgmt = (const struct ieee80211_mgmt *) frame;
 160         if (len < 24 + sizeof(mgmt->u.auth)) {
 161                 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
 162                            "frame");
 163                 return;
 164         }
 165
 166         os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
 167         os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
 168         os_memset(&event, 0, sizeof(event));
 169         os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
 170         event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
 171         event.auth.auth_transaction =
 172                 le_to_host16(mgmt->u.auth.auth_transaction);
 173         event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
 174         if (len > 24 + sizeof(mgmt->u.auth)) {
 175                 event.auth.ies = mgmt->u.auth.variable;
 176                 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
 177         }
 178
 179         wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
 180 }
 181
 182
 183 static int nl80211_parse_wmm_params(struct nlattr *wmm_attr,
 184                                     struct wmm_params *wmm_params)
 185 {
 186         struct nlattr *wmm_info[NL80211_STA_WME_MAX + 1];
 187         static struct nla_policy wme_policy[NL80211_STA_WME_MAX + 1] = {
 188                 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
 189         };
 190
 191         if (!wmm_attr) {
 192                 wpa_printf(MSG_DEBUG, "nl80211: WMM data missing");
 193                 return -1;
 194         }
 195
 196         if (nla_parse_nested(wmm_info, NL80211_STA_WME_MAX, wmm_attr,
 197                              wme_policy)) {
 198                 wpa_printf(MSG_DEBUG,
 199                            "nl80211: Failed to parse nested attributes");
 200                 return -1;
 201         }
 202
 203         if (!wmm_info[NL80211_STA_WME_UAPSD_QUEUES])
 204                 return -1;
 205
 206         wmm_params->uapsd_queues =
 207                 nla_get_u8(wmm_info[NL80211_STA_WME_UAPSD_QUEUES]);
 208         wmm_params->info_bitmap |= WMM_PARAMS_UAPSD_QUEUES_INFO;
 209
 210         return 0;
 211 }
 212
 213
 214 static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
 215                             const u8 *frame, size_t len, struct nlattr *wmm)
 216 {
 217         const struct ieee80211_mgmt *mgmt;
 218         union wpa_event_data event;
 219         u16 status;
 220
 221         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
 222             drv->force_connect_cmd) {
 223                 /*
 224                  * Avoid reporting two association events that would confuse
 225                  * the core code.
 226                  */
 227                 wpa_printf(MSG_DEBUG,
 228                            "nl80211: Ignore assoc event when using driver SME");
 229                 return;
 230         }
 231
 232         wpa_printf(MSG_DEBUG, "nl80211: Associate event");
 233         mgmt = (const struct ieee80211_mgmt *) frame;
 234         if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
 235                 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
 236                            "frame");
 237                 return;
 238         }
 239
 240         status = le_to_host16(mgmt->u.assoc_resp.status_code);
 241         if (status != WLAN_STATUS_SUCCESS) {
 242                 os_memset(&event, 0, sizeof(event));
 243                 event.assoc_reject.bssid = mgmt->bssid;
 244                 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
 245                         event.assoc_reject.resp_ies =
 246                                 (u8 *) mgmt->u.assoc_resp.variable;
 247                         event.assoc_reject.resp_ies_len =
 248                                 len - 24 - sizeof(mgmt->u.assoc_resp);
 249                 }
 250                 event.assoc_reject.status_code = status;
 251
 252                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
 253                 return;
 254         }
 255
 256         drv->associated = 1;
 257         os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
 258         os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
 259
 260         os_memset(&event, 0, sizeof(event));
 261         if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
 262                 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
 263                 event.assoc_info.resp_ies_len =
 264                         len - 24 - sizeof(mgmt->u.assoc_resp);
 265         }
 266
 267         event.assoc_info.freq = drv->assoc_freq;
 268
 269         nl80211_parse_wmm_params(wmm, &event.assoc_info.wmm_params);
 270
 271         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
 272 }
 273
 274
 275 static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
 276                                enum nl80211_commands cmd, struct nlattr *status,
 277                                struct nlattr *addr, struct nlattr *req_ie,
 278                                struct nlattr *resp_ie,
 279                                struct nlattr *authorized,
 280                                struct nlattr *key_replay_ctr,
 281                                struct nlattr *ptk_kck,
 282                                struct nlattr *ptk_kek)
 283 {
 284         union wpa_event_data event;
 285         u16 status_code;
 286
 287         if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
 288                 /*
 289                  * Avoid reporting two association events that would confuse
 290                  * the core code.
 291                  */
 292                 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
 293                            "when using userspace SME", cmd);
 294                 return;
 295         }
 296
 297         status_code = status ? nla_get_u16(status) : WLAN_STATUS_SUCCESS;
 298
 299         if (cmd == NL80211_CMD_CONNECT) {
 300                 wpa_printf(MSG_DEBUG,
 301                            "nl80211: Connect event (status=%u ignore_next_local_disconnect=%d)",
 302                            status_code, drv->ignore_next_local_disconnect);
 303         } else if (cmd == NL80211_CMD_ROAM) {
 304                 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
 305         }
 306
 307         os_memset(&event, 0, sizeof(event));
 308         if (cmd == NL80211_CMD_CONNECT && status_code != WLAN_STATUS_SUCCESS) {
 309                 if (addr)
 310                         event.assoc_reject.bssid = nla_data(addr);
 311                 if (drv->ignore_next_local_disconnect) {
 312                         drv->ignore_next_local_disconnect = 0;
 313                         if (!event.assoc_reject.bssid ||
 314                             (os_memcmp(event.assoc_reject.bssid,
 315                                        drv->auth_attempt_bssid,
 316                                        ETH_ALEN) != 0)) {
 317                                 /*
 318                                  * Ignore the event that came without a BSSID or
 319                                  * for the old connection since this is likely
 320                                  * not relevant to the new Connect command.
 321                                  */
 322                                 wpa_printf(MSG_DEBUG,
 323                                            "nl80211: Ignore connection failure event triggered during reassociation");
 324                                 return;
 325                         }
 326                 }
 327                 if (resp_ie) {
 328                         event.assoc_reject.resp_ies = nla_data(resp_ie);
 329                         event.assoc_reject.resp_ies_len = nla_len(resp_ie);
 330                 }
 331                 event.assoc_reject.status_code = status_code;
 332                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
 333                 return;
 334         }
 335
 336         drv->associated = 1;
 337         if (addr) {
 338                 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
 339                 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
 340         }
 341
 342         if (req_ie) {
 343                 event.assoc_info.req_ies = nla_data(req_ie);
 344                 event.assoc_info.req_ies_len = nla_len(req_ie);
 345         }
 346         if (resp_ie) {
 347                 event.assoc_info.resp_ies = nla_data(resp_ie);
 348                 event.assoc_info.resp_ies_len = nla_len(resp_ie);
 349         }
 350
 351         event.assoc_info.freq = nl80211_get_assoc_freq(drv);
 352
 353         if (authorized && nla_get_u8(authorized)) {
 354                 event.assoc_info.authorized = 1;
 355                 wpa_printf(MSG_DEBUG, "nl80211: connection authorized");
 356         }
 357         if (key_replay_ctr) {
 358                 event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr);
 359                 event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr);
 360         }
 361         if (ptk_kck) {
 362                 event.assoc_info.ptk_kck = nla_data(ptk_kck);
 363                 event.assoc_info.ptk_kck_len = nla_len(ptk_kck);
 364         }
 365         if (ptk_kek) {
 366                 event.assoc_info.ptk_kek = nla_data(ptk_kek);
 367                 event.assoc_info.ptk_kek_len = nla_len(ptk_kek);
 368         }
 369
 370         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
 371 }
 372
 373
 374 static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
 375                                   struct nlattr *reason, struct nlattr *addr,
 376                                   struct nlattr *by_ap)
 377 {
 378         union wpa_event_data data;
 379         unsigned int locally_generated = by_ap == NULL;
 380
 381         if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
 382                 /*
 383                  * Avoid reporting two disassociation events that could
 384                  * confuse the core code.
 385                  */
 386                 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
 387                            "event when using userspace SME");
 388                 return;
 389         }
 390
 391         if (drv->ignore_next_local_disconnect) {
 392                 drv->ignore_next_local_disconnect = 0;
 393                 if (locally_generated) {
 394                         wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
 395                                    "event triggered during reassociation");
 396                         return;
 397                 }
 398                 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
 399                            "disconnect but got another disconnect "
 400                            "event first");
 401         }
 402
 403         wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
 404         nl80211_mark_disconnected(drv);
 405         os_memset(&data, 0, sizeof(data));
 406         if (reason)
 407                 data.deauth_info.reason_code = nla_get_u16(reason);
 408         data.deauth_info.locally_generated = by_ap == NULL;
 409         wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
 410 }
 411
 412
 413 static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
 414 {
 415         int freq1 = 0;
 416
 417         switch (convert2width(width)) {
 418         case CHAN_WIDTH_20_NOHT:
 419         case CHAN_WIDTH_20:
 420                 return 0;
 421         case CHAN_WIDTH_40:
 422                 freq1 = cf1 - 10;
 423                 break;
 424         case CHAN_WIDTH_80:
 425                 freq1 = cf1 - 30;
 426                 break;
 427         case CHAN_WIDTH_160:
 428                 freq1 = cf1 - 70;
 429                 break;
 430         case CHAN_WIDTH_UNKNOWN:
 431         case CHAN_WIDTH_80P80:
 432                 /* FIXME: implement this */
 433                 return 0;
 434         }
 435
 436         return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
 437 }
 438
 439
 440 static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
 441                                  struct nlattr *ifindex, struct nlattr *freq,
 442                                  struct nlattr *type, struct nlattr *bw,
 443                                  struct nlattr *cf1, struct nlattr *cf2)
 444 {
 445         struct i802_bss *bss;
 446         union wpa_event_data data;
 447         int ht_enabled = 1;
 448         int chan_offset = 0;
 449         int ifidx;
 450
 451         wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
 452
 453         if (!freq)
 454                 return;
 455
 456         ifidx = nla_get_u32(ifindex);
 457         bss = get_bss_ifindex(drv, ifidx);
 458         if (bss == NULL) {
 459                 wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
 460                            ifidx);
 461                 return;
 462         }
 463
 464         if (type) {
 465                 enum nl80211_channel_type ch_type = nla_get_u32(type);
 466
 467                 wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type);
 468                 switch (ch_type) {
 469                 case NL80211_CHAN_NO_HT:
 470                         ht_enabled = 0;
 471                         break;
 472                 case NL80211_CHAN_HT20:
 473                         break;
 474                 case NL80211_CHAN_HT40PLUS:
 475                         chan_offset = 1;
 476                         break;
 477                 case NL80211_CHAN_HT40MINUS:
 478                         chan_offset = -1;
 479                         break;
 480                 }
 481         } else if (bw && cf1) {
 482                 /* This can happen for example with VHT80 ch switch */
 483                 chan_offset = calculate_chan_offset(nla_get_u32(bw),
 484                                                     nla_get_u32(freq),
 485                                                     nla_get_u32(cf1),
 486                                                     cf2 ? nla_get_u32(cf2) : 0);
 487         } else {
 488                 wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
 489         }
 490
 491         os_memset(&data, 0, sizeof(data));
 492         data.ch_switch.freq = nla_get_u32(freq);
 493         data.ch_switch.ht_enabled = ht_enabled;
 494         data.ch_switch.ch_offset = chan_offset;
 495         if (bw)
 496                 data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
 497         if (cf1)
 498                 data.ch_switch.cf1 = nla_get_u32(cf1);
 499         if (cf2)
 500                 data.ch_switch.cf2 = nla_get_u32(cf2);
 501
 502         bss->freq = data.ch_switch.freq;
 503
 504         wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
 505 }
 506
 507
 508 static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
 509                                enum nl80211_commands cmd, struct nlattr *addr)
 510 {
 511         union wpa_event_data event;
 512         enum wpa_event_type ev;
 513
 514         if (nla_len(addr) != ETH_ALEN)
 515                 return;
 516
 517         wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
 518                    cmd, MAC2STR((u8 *) nla_data(addr)));
 519
 520         if (cmd == NL80211_CMD_AUTHENTICATE)
 521                 ev = EVENT_AUTH_TIMED_OUT;
 522         else if (cmd == NL80211_CMD_ASSOCIATE)
 523                 ev = EVENT_ASSOC_TIMED_OUT;
 524         else
 525                 return;
 526
 527         os_memset(&event, 0, sizeof(event));
 528         os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
 529         wpa_supplicant_event(drv->ctx, ev, &event);
 530 }
 531
 532
 533 static void mlme_event_mgmt(struct i802_bss *bss,
 534                             struct nlattr *freq, struct nlattr *sig,
 535                             const u8 *frame, size_t len)
 536 {
 537         struct wpa_driver_nl80211_data *drv = bss->drv;
 538         const struct ieee80211_mgmt *mgmt;
 539         union wpa_event_data event;
 540         u16 fc, stype;
 541         int ssi_signal = 0;
 542         int rx_freq = 0;
 543
 544         wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
 545         mgmt = (const struct ieee80211_mgmt *) frame;
 546         if (len < 24) {
 547                 wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
 548                 return;
 549         }
 550
 551         fc = le_to_host16(mgmt->frame_control);
 552         stype = WLAN_FC_GET_STYPE(fc);
 553
 554         if (sig)
 555                 ssi_signal = (s32) nla_get_u32(sig);
 556
 557         os_memset(&event, 0, sizeof(event));
 558         if (freq) {
 559                 event.rx_mgmt.freq = nla_get_u32(freq);
 560                 rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
 561         }
 562         wpa_printf(MSG_DEBUG,
 563                    "nl80211: RX frame sa=" MACSTR
 564                    " freq=%d ssi_signal=%d fc=0x%x seq_ctrl=0x%x stype=%u (%s) len=%u",
 565                    MAC2STR(mgmt->sa), rx_freq, ssi_signal, fc,
 566                    le_to_host16(mgmt->seq_ctrl), stype, fc2str(fc),
 567                    (unsigned int) len);
 568         event.rx_mgmt.frame = frame;
 569         event.rx_mgmt.frame_len = len;
 570         event.rx_mgmt.ssi_signal = ssi_signal;
 571         event.rx_mgmt.drv_priv = bss;
 572         wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
 573 }
 574
 575
 576 static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
 577                                       struct nlattr *cookie, const u8 *frame,
 578                                       size_t len, struct nlattr *ack)
 579 {
 580         union wpa_event_data event;
 581         const struct ieee80211_hdr *hdr;
 582         u16 fc;
 583
 584         wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
 585         if (!is_ap_interface(drv->nlmode)) {
 586                 u64 cookie_val;
 587
 588                 if (!cookie)
 589                         return;
 590
 591                 cookie_val = nla_get_u64(cookie);
 592                 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
 593                            " cookie=0%llx%s (ack=%d)",
 594                            (long long unsigned int) cookie_val,
 595                            cookie_val == drv->send_action_cookie ?
 596                            " (match)" : " (unknown)", ack != NULL);
 597                 if (cookie_val != drv->send_action_cookie)
 598                         return;
 599         }
 600
 601         hdr = (const struct ieee80211_hdr *) frame;
 602         fc = le_to_host16(hdr->frame_control);
 603
 604         os_memset(&event, 0, sizeof(event));
 605         event.tx_status.type = WLAN_FC_GET_TYPE(fc);
 606         event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
 607         event.tx_status.dst = hdr->addr1;
 608         event.tx_status.data = frame;
 609         event.tx_status.data_len = len;
 610         event.tx_status.ack = ack != NULL;
 611         wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
 612 }
 613
 614
 615 static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
 616                                        enum wpa_event_type type,
 617                                        const u8 *frame, size_t len)
 618 {
 619         const struct ieee80211_mgmt *mgmt;
 620         union wpa_event_data event;
 621         const u8 *bssid = NULL;
 622         u16 reason_code = 0;
 623
 624         if (type == EVENT_DEAUTH)
 625                 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
 626         else
 627                 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
 628
 629         mgmt = (const struct ieee80211_mgmt *) frame;
 630         if (len >= 24) {
 631                 bssid = mgmt->bssid;
 632
 633                 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
 634                     !drv->associated &&
 635                     os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
 636                     os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
 637                     os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
 638                         /*
 639                          * Avoid issues with some roaming cases where
 640                          * disconnection event for the old AP may show up after
 641                          * we have started connection with the new AP.
 642                          */
 643                         wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
 644                                    MAC2STR(bssid),
 645                                    MAC2STR(drv->auth_attempt_bssid));
 646                         return;
 647                 }
 648
 649                 if (drv->associated != 0 &&
 650                     os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
 651                     os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
 652                         /*
 653                          * We have presumably received this deauth as a
 654                          * response to a clear_state_mismatch() outgoing
 655                          * deauth.  Don't let it take us offline!
 656                          */
 657                         wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
 658                                    "from Unknown BSSID " MACSTR " -- ignoring",
 659                                    MAC2STR(bssid));
 660                         return;
 661                 }
 662         }
 663
 664         nl80211_mark_disconnected(drv);
 665         os_memset(&event, 0, sizeof(event));
 666
 667         /* Note: Same offset for Reason Code in both frame subtypes */
 668         if (len >= 24 + sizeof(mgmt->u.deauth))
 669                 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
 670
 671         if (type == EVENT_DISASSOC) {
 672                 event.disassoc_info.locally_generated =
 673                         !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
 674                 event.disassoc_info.addr = bssid;
 675                 event.disassoc_info.reason_code = reason_code;
 676                 if (frame + len > mgmt->u.disassoc.variable) {
 677                         event.disassoc_info.ie = mgmt->u.disassoc.variable;
 678                         event.disassoc_info.ie_len = frame + len -
 679                                 mgmt->u.disassoc.variable;
 680                 }
 681         } else {
 682                 if (drv->ignore_deauth_event) {
 683                         wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
 684                         drv->ignore_deauth_event = 0;
 685                         return;
 686                 }
 687                 event.deauth_info.locally_generated =
 688                         !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
 689                 if (drv->ignore_next_local_deauth) {
 690                         drv->ignore_next_local_deauth = 0;
 691                         if (event.deauth_info.locally_generated) {
 692                                 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
 693                                 return;
 694                         }
 695                         wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
 696                 }
 697                 event.deauth_info.addr = bssid;
 698                 event.deauth_info.reason_code = reason_code;
 699                 if (frame + len > mgmt->u.deauth.variable) {
 700                         event.deauth_info.ie = mgmt->u.deauth.variable;
 701                         event.deauth_info.ie_len = frame + len -
 702                                 mgmt->u.deauth.variable;
 703                 }
 704         }
 705
 706         wpa_supplicant_event(drv->ctx, type, &event);
 707 }
 708
 709
 710 static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
 711                                          enum wpa_event_type type,
 712                                          const u8 *frame, size_t len)
 713 {
 714         const struct ieee80211_mgmt *mgmt;
 715         union wpa_event_data event;
 716         u16 reason_code = 0;
 717
 718         if (type == EVENT_UNPROT_DEAUTH)
 719                 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
 720         else
 721                 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
 722
 723         if (len < 24)
 724                 return;
 725
 726         mgmt = (const struct ieee80211_mgmt *) frame;
 727
 728         os_memset(&event, 0, sizeof(event));
 729         /* Note: Same offset for Reason Code in both frame subtypes */
 730         if (len >= 24 + sizeof(mgmt->u.deauth))
 731                 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
 732
 733         if (type == EVENT_UNPROT_DISASSOC) {
 734                 event.unprot_disassoc.sa = mgmt->sa;
 735                 event.unprot_disassoc.da = mgmt->da;
 736                 event.unprot_disassoc.reason_code = reason_code;
 737         } else {
 738                 event.unprot_deauth.sa = mgmt->sa;
 739                 event.unprot_deauth.da = mgmt->da;
 740                 event.unprot_deauth.reason_code = reason_code;
 741         }
 742
 743         wpa_supplicant_event(drv->ctx, type, &event);
 744 }
 745
 746
 747 static void mlme_event(struct i802_bss *bss,
 748                        enum nl80211_commands cmd, struct nlattr *frame,
 749                        struct nlattr *addr, struct nlattr *timed_out,
 750                        struct nlattr *freq, struct nlattr *ack,
 751                        struct nlattr *cookie, struct nlattr *sig,
 752                        struct nlattr *wmm)
 753 {
 754         struct wpa_driver_nl80211_data *drv = bss->drv;
 755         const u8 *data;
 756         size_t len;
 757
 758         if (timed_out && addr) {
 759                 mlme_timeout_event(drv, cmd, addr);
 760                 return;
 761         }
 762
 763         if (frame == NULL) {
 764                 wpa_printf(MSG_DEBUG,
 765                            "nl80211: MLME event %d (%s) without frame data",
 766                            cmd, nl80211_command_to_string(cmd));
 767                 return;
 768         }
 769
 770         data = nla_data(frame);
 771         len = nla_len(frame);
 772         if (len < 4 + 2 * ETH_ALEN) {
 773                 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
 774                            MACSTR ") - too short",
 775                            cmd, nl80211_command_to_string(cmd), bss->ifname,
 776                            MAC2STR(bss->addr));
 777                 return;
 778         }
 779         wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
 780                    ") A1=" MACSTR " A2=" MACSTR, cmd,
 781                    nl80211_command_to_string(cmd), bss->ifname,
 782                    MAC2STR(bss->addr), MAC2STR(data + 4),
 783                    MAC2STR(data + 4 + ETH_ALEN));
 784         if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
 785             os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
 786             os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
 787                 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
 788                            "for foreign address", bss->ifname);
 789                 return;
 790         }
 791         wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
 792                     nla_data(frame), nla_len(frame));
 793
 794         switch (cmd) {
 795         case NL80211_CMD_AUTHENTICATE:
 796                 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
 797                 break;
 798         case NL80211_CMD_ASSOCIATE:
 799                 mlme_event_assoc(drv, nla_data(frame), nla_len(frame), wmm);
 800                 break;
 801         case NL80211_CMD_DEAUTHENTICATE:
 802                 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
 803                                            nla_data(frame), nla_len(frame));
 804                 break;
 805         case NL80211_CMD_DISASSOCIATE:
 806                 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
 807                                            nla_data(frame), nla_len(frame));
 808                 break;
 809         case NL80211_CMD_FRAME:
 810                 mlme_event_mgmt(bss, freq, sig, nla_data(frame),
 811                                 nla_len(frame));
 812                 break;
 813         case NL80211_CMD_FRAME_TX_STATUS:
 814                 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
 815                                           nla_len(frame), ack);
 816                 break;
 817         case NL80211_CMD_UNPROT_DEAUTHENTICATE:
 818                 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
 819                                              nla_data(frame), nla_len(frame));
 820                 break;
 821         case NL80211_CMD_UNPROT_DISASSOCIATE:
 822                 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
 823                                              nla_data(frame), nla_len(frame));
 824                 break;
 825         default:
 826                 break;
 827         }
 828 }
 829
 830
 831 static void mlme_event_michael_mic_failure(struct i802_bss *bss,
 832                                            struct nlattr *tb[])
 833 {
 834         union wpa_event_data data;
 835
 836         wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
 837         os_memset(&data, 0, sizeof(data));
 838         if (tb[NL80211_ATTR_MAC]) {
 839                 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
 840                             nla_data(tb[NL80211_ATTR_MAC]),
 841                             nla_len(tb[NL80211_ATTR_MAC]));
 842                 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
 843         }
 844         if (tb[NL80211_ATTR_KEY_SEQ]) {
 845                 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
 846                             nla_data(tb[NL80211_ATTR_KEY_SEQ]),
 847                             nla_len(tb[NL80211_ATTR_KEY_SEQ]));
 848         }
 849         if (tb[NL80211_ATTR_KEY_TYPE]) {
 850                 enum nl80211_key_type key_type =
 851                         nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
 852                 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
 853                 if (key_type == NL80211_KEYTYPE_PAIRWISE)
 854                         data.michael_mic_failure.unicast = 1;
 855         } else
 856                 data.michael_mic_failure.unicast = 1;
 857
 858         if (tb[NL80211_ATTR_KEY_IDX]) {
 859                 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
 860                 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
 861         }
 862
 863         wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
 864 }
 865
 866
 867 static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
 868                                  struct nlattr *tb[])
 869 {
 870         unsigned int freq;
 871
 872         if (tb[NL80211_ATTR_MAC] == NULL) {
 873                 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
 874                            "event");
 875                 return;
 876         }
 877         os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
 878
 879         drv->associated = 1;
 880         wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
 881                    MAC2STR(drv->bssid));
 882
 883         freq = nl80211_get_assoc_freq(drv);
 884         if (freq) {
 885                 wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz",
 886                            freq);
 887                 drv->first_bss->freq = freq;
 888         }
 889
 890         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
 891 }
 892
 893
 894 static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
 895                                          int cancel_event, struct nlattr *tb[])
 896 {
 897         unsigned int freq, chan_type, duration;
 898         union wpa_event_data data;
 899         u64 cookie;
 900
 901         if (tb[NL80211_ATTR_WIPHY_FREQ])
 902                 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
 903         else
 904                 freq = 0;
 905
 906         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
 907                 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
 908         else
 909                 chan_type = 0;
 910
 911         if (tb[NL80211_ATTR_DURATION])
 912                 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
 913         else
 914                 duration = 0;
 915
 916         if (tb[NL80211_ATTR_COOKIE])
 917                 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
 918         else
 919                 cookie = 0;
 920
 921         wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
 922                    "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
 923                    cancel_event, freq, chan_type, duration,
 924                    (long long unsigned int) cookie,
 925                    cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
 926
 927         if (cookie != drv->remain_on_chan_cookie)
 928                 return; /* not for us */
 929
 930         if (cancel_event)
 931                 drv->pending_remain_on_chan = 0;
 932
 933         os_memset(&data, 0, sizeof(data));
 934         data.remain_on_channel.freq = freq;
 935         data.remain_on_channel.duration = duration;
 936         wpa_supplicant_event(drv->ctx, cancel_event ?
 937                              EVENT_CANCEL_REMAIN_ON_CHANNEL :
 938                              EVENT_REMAIN_ON_CHANNEL, &data);
 939 }
 940
 941
 942 static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
 943                                 struct nlattr *tb[])
 944 {
 945         union wpa_event_data data;
 946
 947         os_memset(&data, 0, sizeof(data));
 948
 949         if (tb[NL80211_ATTR_IE]) {
 950                 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
 951                 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
 952         }
 953
 954         if (tb[NL80211_ATTR_IE_RIC]) {
 955                 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
 956                 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
 957         }
 958
 959         if (tb[NL80211_ATTR_MAC])
 960                 os_memcpy(data.ft_ies.target_ap,
 961                           nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
 962
 963         wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
 964                    MAC2STR(data.ft_ies.target_ap));
 965
 966         wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
 967 }
 968
 969
 970 static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
 971                             struct nlattr *tb[])
 972 {
 973         union wpa_event_data event;
 974         struct nlattr *nl;
 975         int rem;
 976         struct scan_info *info;
 977 #define MAX_REPORT_FREQS 50
 978         int freqs[MAX_REPORT_FREQS];
 979         int num_freqs = 0;
 980
 981         if (drv->scan_for_auth) {
 982                 drv->scan_for_auth = 0;
 983                 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
 984                            "cfg80211 BSS entry");
 985                 wpa_driver_nl80211_authenticate_retry(drv);
 986                 return;
 987         }
 988
 989         os_memset(&event, 0, sizeof(event));
 990         info = &event.scan_info;
 991         info->aborted = aborted;
 992
 993         if (tb[NL80211_ATTR_SCAN_SSIDS]) {
 994                 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
 995                         struct wpa_driver_scan_ssid *s =
 996                                 &info->ssids[info->num_ssids];
 997                         s->ssid = nla_data(nl);
 998                         s->ssid_len = nla_len(nl);
 999                         wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
1000                                    wpa_ssid_txt(s->ssid, s->ssid_len));
1001                         info->num_ssids++;
1002                         if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1003                                 break;
1004                 }
1005         }
1006         if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1007                 char msg[200], *pos, *end;
1008                 int res;
1009
1010                 pos = msg;
1011                 end = pos + sizeof(msg);
1012                 *pos = '\0';
1013
1014                 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1015                 {
1016                         freqs[num_freqs] = nla_get_u32(nl);
1017                         res = os_snprintf(pos, end - pos, " %d",
1018                                           freqs[num_freqs]);
1019                         if (!os_snprintf_error(end - pos, res))
1020                                 pos += res;
1021                         num_freqs++;
1022                         if (num_freqs == MAX_REPORT_FREQS - 1)
1023                                 break;
1024                 }
1025                 info->freqs = freqs;
1026                 info->num_freqs = num_freqs;
1027                 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1028                            msg);
1029         }
1030         wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1031 }
1032
1033
1034 static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
1035                               struct nlattr *tb[])
1036 {
1037         static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
1038                 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
1039                 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
1040                 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
1041                 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
1042         };
1043         struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
1044         enum nl80211_cqm_rssi_threshold_event event;
1045         union wpa_event_data ed;
1046         struct wpa_signal_info sig;
1047         int res;
1048
1049         if (tb[NL80211_ATTR_CQM] == NULL ||
1050             nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
1051                              cqm_policy)) {
1052                 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
1053                 return;
1054         }
1055
1056         os_memset(&ed, 0, sizeof(ed));
1057
1058         if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
1059                 if (!tb[NL80211_ATTR_MAC])
1060                         return;
1061                 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
1062                           ETH_ALEN);
1063                 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
1064                 return;
1065         }
1066
1067         if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
1068                 return;
1069         event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
1070
1071         if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
1072                 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1073                            "event: RSSI high");
1074                 ed.signal_change.above_threshold = 1;
1075         } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
1076                 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1077                            "event: RSSI low");
1078                 ed.signal_change.above_threshold = 0;
1079         } else
1080                 return;
1081
1082         res = nl80211_get_link_signal(drv, &sig);
1083         if (res == 0) {
1084                 ed.signal_change.current_signal = sig.current_signal;
1085                 ed.signal_change.current_txrate = sig.current_txrate;
1086                 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm  txrate: %d",
1087                            sig.current_signal, sig.current_txrate);
1088         }
1089
1090         res = nl80211_get_link_noise(drv, &sig);
1091         if (res == 0) {
1092                 ed.signal_change.current_noise = sig.current_noise;
1093                 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
1094                            sig.current_noise);
1095         }
1096
1097         wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
1098 }
1099
1100
1101 static void nl80211_new_peer_candidate(struct wpa_driver_nl80211_data *drv,
1102                                        struct nlattr **tb)
1103 {
1104         const u8 *addr;
1105         union wpa_event_data data;
1106
1107         if (drv->nlmode != NL80211_IFTYPE_MESH_POINT)
1108                 return;
1109
1110         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE])
1111                 return;
1112
1113         addr = nla_data(tb[NL80211_ATTR_MAC]);
1114         wpa_printf(MSG_DEBUG, "nl80211: New peer candidate" MACSTR,
1115                    MAC2STR(addr));
1116
1117         os_memset(&data, 0, sizeof(data));
1118         data.mesh_peer.peer = addr;
1119         data.mesh_peer.ies = nla_data(tb[NL80211_ATTR_IE]);
1120         data.mesh_peer.ie_len = nla_len(tb[NL80211_ATTR_IE]);
1121         wpa_supplicant_event(drv->ctx, EVENT_NEW_PEER_CANDIDATE, &data);
1122 }
1123
1124
1125 static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
1126                                       struct i802_bss *bss,
1127                                       struct nlattr **tb)
1128 {
1129         u8 *addr;
1130         union wpa_event_data data;
1131
1132         if (tb[NL80211_ATTR_MAC] == NULL)
1133                 return;
1134         addr = nla_data(tb[NL80211_ATTR_MAC]);
1135         wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
1136
1137         if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1138                 u8 *ies = NULL;
1139                 size_t ies_len = 0;
1140                 if (tb[NL80211_ATTR_IE]) {
1141                         ies = nla_data(tb[NL80211_ATTR_IE]);
1142                         ies_len = nla_len(tb[NL80211_ATTR_IE]);
1143                 }
1144                 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
1145                 drv_event_assoc(bss->ctx, addr, ies, ies_len, 0);
1146                 return;
1147         }
1148
1149         if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1150                 return;
1151
1152         os_memset(&data, 0, sizeof(data));
1153         os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
1154         wpa_supplicant_event(bss->ctx, EVENT_IBSS_RSN_START, &data);
1155 }
1156
1157
1158 static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
1159                                       struct nlattr **tb)
1160 {
1161         u8 *addr;
1162         union wpa_event_data data;
1163
1164         if (tb[NL80211_ATTR_MAC] == NULL)
1165                 return;
1166         addr = nla_data(tb[NL80211_ATTR_MAC]);
1167         wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
1168                    MAC2STR(addr));
1169
1170         if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1171                 drv_event_disassoc(drv->ctx, addr);
1172                 return;
1173         }
1174
1175         if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1176                 return;
1177
1178         os_memset(&data, 0, sizeof(data));
1179         os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
1180         wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
1181 }
1182
1183
1184 static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
1185                                         struct nlattr **tb)
1186 {
1187         struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
1188         static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
1189                 [NL80211_REKEY_DATA_KEK] = {
1190                         .minlen = NL80211_KEK_LEN,
1191                         .maxlen = NL80211_KEK_LEN,
1192                 },
1193                 [NL80211_REKEY_DATA_KCK] = {
1194                         .minlen = NL80211_KCK_LEN,
1195                         .maxlen = NL80211_KCK_LEN,
1196                 },
1197                 [NL80211_REKEY_DATA_REPLAY_CTR] = {
1198                         .minlen = NL80211_REPLAY_CTR_LEN,
1199                         .maxlen = NL80211_REPLAY_CTR_LEN,
1200                 },
1201         };
1202         union wpa_event_data data;
1203
1204         if (!tb[NL80211_ATTR_MAC])
1205                 return;
1206         if (!tb[NL80211_ATTR_REKEY_DATA])
1207                 return;
1208         if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
1209                              tb[NL80211_ATTR_REKEY_DATA], rekey_policy))
1210                 return;
1211         if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
1212                 return;
1213
1214         os_memset(&data, 0, sizeof(data));
1215         data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
1216         wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
1217                    MAC2STR(data.driver_gtk_rekey.bssid));
1218         data.driver_gtk_rekey.replay_ctr =
1219                 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
1220         wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
1221                     data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
1222         wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
1223 }
1224
1225
1226 static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
1227                                           struct nlattr **tb)
1228 {
1229         struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
1230         static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
1231                 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
1232                 [NL80211_PMKSA_CANDIDATE_BSSID] = {
1233                         .minlen = ETH_ALEN,
1234                         .maxlen = ETH_ALEN,
1235                 },
1236                 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
1237         };
1238         union wpa_event_data data;
1239
1240         wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
1241
1242         if (!tb[NL80211_ATTR_PMKSA_CANDIDATE])
1243                 return;
1244         if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
1245                              tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy))
1246                 return;
1247         if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
1248             !cand[NL80211_PMKSA_CANDIDATE_BSSID])
1249                 return;
1250
1251         os_memset(&data, 0, sizeof(data));
1252         os_memcpy(data.pmkid_candidate.bssid,
1253                   nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
1254         data.pmkid_candidate.index =
1255                 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
1256         data.pmkid_candidate.preauth =
1257                 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
1258         wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
1259 }
1260
1261
1262 static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
1263                                        struct nlattr **tb)
1264 {
1265         union wpa_event_data data;
1266
1267         wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
1268
1269         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
1270                 return;
1271
1272         os_memset(&data, 0, sizeof(data));
1273         os_memcpy(data.client_poll.addr,
1274                   nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1275
1276         wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
1277 }
1278
1279
1280 static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
1281                                     struct nlattr **tb)
1282 {
1283         union wpa_event_data data;
1284
1285         wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
1286
1287         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
1288                 return;
1289
1290         os_memset(&data, 0, sizeof(data));
1291         os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1292         switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
1293         case NL80211_TDLS_SETUP:
1294                 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
1295                            MACSTR, MAC2STR(data.tdls.peer));
1296                 data.tdls.oper = TDLS_REQUEST_SETUP;
1297                 break;
1298         case NL80211_TDLS_TEARDOWN:
1299                 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
1300                            MACSTR, MAC2STR(data.tdls.peer));
1301                 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
1302                 break;
1303         default:
1304                 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
1305                            "event");
1306                 return;
1307         }
1308         if (tb[NL80211_ATTR_REASON_CODE]) {
1309                 data.tdls.reason_code =
1310                         nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
1311         }
1312
1313         wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
1314 }
1315
1316
1317 static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
1318                             struct nlattr **tb)
1319 {
1320         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
1321 }
1322
1323
1324 static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
1325                                          struct nlattr **tb)
1326 {
1327         union wpa_event_data data;
1328         u32 reason;
1329
1330         wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
1331
1332         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
1333                 return;
1334
1335         os_memset(&data, 0, sizeof(data));
1336         os_memcpy(data.connect_failed_reason.addr,
1337                   nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1338
1339         reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
1340         switch (reason) {
1341         case NL80211_CONN_FAIL_MAX_CLIENTS:
1342                 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
1343                 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
1344                 break;
1345         case NL80211_CONN_FAIL_BLOCKED_CLIENT:
1346                 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
1347                            " tried to connect",
1348                            MAC2STR(data.connect_failed_reason.addr));
1349                 data.connect_failed_reason.code = BLOCKED_CLIENT;
1350                 break;
1351         default:
1352                 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
1353                            "%u", reason);
1354                 return;
1355         }
1356
1357         wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
1358 }
1359
1360
1361 static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
1362                                 struct nlattr **tb)
1363 {
1364         union wpa_event_data data;
1365         enum nl80211_radar_event event_type;
1366
1367         if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
1368                 return;
1369
1370         os_memset(&data, 0, sizeof(data));
1371         data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1372         event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
1373
1374         /* Check HT params */
1375         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1376                 data.dfs_event.ht_enabled = 1;
1377                 data.dfs_event.chan_offset = 0;
1378
1379                 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1380                 case NL80211_CHAN_NO_HT:
1381                         data.dfs_event.ht_enabled = 0;
1382                         break;
1383                 case NL80211_CHAN_HT20:
1384                         break;
1385                 case NL80211_CHAN_HT40PLUS:
1386                         data.dfs_event.chan_offset = 1;
1387                         break;
1388                 case NL80211_CHAN_HT40MINUS:
1389                         data.dfs_event.chan_offset = -1;
1390                         break;
1391                 }
1392         }
1393
1394         /* Get VHT params */
1395         if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1396                 data.dfs_event.chan_width =
1397                         convert2width(nla_get_u32(
1398                                               tb[NL80211_ATTR_CHANNEL_WIDTH]));
1399         if (tb[NL80211_ATTR_CENTER_FREQ1])
1400                 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1401         if (tb[NL80211_ATTR_CENTER_FREQ2])
1402                 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1403
1404         wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1405                    data.dfs_event.freq, data.dfs_event.ht_enabled,
1406                    data.dfs_event.chan_offset, data.dfs_event.chan_width,
1407                    data.dfs_event.cf1, data.dfs_event.cf2);
1408
1409         switch (event_type) {
1410         case NL80211_RADAR_DETECTED:
1411                 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1412                 break;
1413         case NL80211_RADAR_CAC_FINISHED:
1414                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1415                 break;
1416         case NL80211_RADAR_CAC_ABORTED:
1417                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1418                 break;
1419         case NL80211_RADAR_NOP_FINISHED:
1420                 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1421                 break;
1422         default:
1423                 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
1424                            "received", event_type);
1425                 break;
1426         }
1427 }
1428
1429
1430 static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
1431                                    int wds)
1432 {
1433         struct wpa_driver_nl80211_data *drv = bss->drv;
1434         union wpa_event_data event;
1435
1436         if (!tb[NL80211_ATTR_MAC])
1437                 return;
1438
1439         os_memset(&event, 0, sizeof(event));
1440         event.rx_from_unknown.bssid = bss->addr;
1441         event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
1442         event.rx_from_unknown.wds = wds;
1443
1444         wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
1445 }
1446
1447
1448 static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
1449                                    const u8 *data, size_t len)
1450 {
1451         u32 i, count;
1452         union wpa_event_data event;
1453         struct wpa_freq_range *range = NULL;
1454         const struct qca_avoid_freq_list *freq_range;
1455
1456         freq_range = (const struct qca_avoid_freq_list *) data;
1457         if (len < sizeof(freq_range->count))
1458                 return;
1459
1460         count = freq_range->count;
1461         if (len < sizeof(freq_range->count) +
1462             count * sizeof(struct qca_avoid_freq_range)) {
1463                 wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
1464                            (unsigned int) len);
1465                 return;
1466         }
1467
1468         if (count > 0) {
1469                 range = os_calloc(count, sizeof(struct wpa_freq_range));
1470                 if (range == NULL)
1471                         return;
1472         }
1473
1474         os_memset(&event, 0, sizeof(event));
1475         for (i = 0; i < count; i++) {
1476                 unsigned int idx = event.freq_range.num;
1477                 range[idx].min = freq_range->range[i].start_freq;
1478                 range[idx].max = freq_range->range[i].end_freq;
1479                 wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
1480                            range[idx].min, range[idx].max);
1481                 if (range[idx].min > range[idx].max) {
1482                         wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
1483                         continue;
1484                 }
1485                 event.freq_range.num++;
1486         }
1487         event.freq_range.range = range;
1488
1489         wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
1490
1491         os_free(range);
1492 }
1493
1494
1495 static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
1496                                    const u8 *data, size_t len)
1497 {
1498         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1];
1499         union wpa_event_data event;
1500
1501         wpa_printf(MSG_DEBUG,
1502                    "nl80211: ACS channel selection vendor event received");
1503
1504         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ACS_MAX,
1505                       (struct nlattr *) data, len, NULL))
1506                 return;
1507
1508         if (!tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL] ||
1509             !tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL])
1510                 return;
1511
1512         os_memset(&event, 0, sizeof(event));
1513         event.acs_selected_channels.pri_channel =
1514                 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL]);
1515         event.acs_selected_channels.sec_channel =
1516                 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]);
1517
1518         wpa_supplicant_event(drv->ctx, EVENT_ACS_CHANNEL_SELECTED, &event);
1519 }
1520
1521
1522 static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
1523                                       const u8 *data, size_t len)
1524 {
1525         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX + 1];
1526         u8 *bssid;
1527
1528         wpa_printf(MSG_DEBUG,
1529                    "nl80211: Key management roam+auth vendor event received");
1530
1531         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX,
1532                       (struct nlattr *) data, len, NULL))
1533                 return;
1534         if (!tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID] ||
1535             nla_len(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]) != ETH_ALEN ||
1536             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE] ||
1537             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE] ||
1538             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED])
1539                 return;
1540
1541         bssid = nla_data(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]);
1542         wpa_printf(MSG_DEBUG, "  * roam BSSID " MACSTR, MAC2STR(bssid));
1543
1544         mlme_event_connect(drv, NL80211_CMD_ROAM, NULL,
1545                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID],
1546                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE],
1547                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE],
1548                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED],
1549                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR],
1550                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK],
1551                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK]);
1552 }
1553
1554
1555 static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
1556                                      u32 subcmd, u8 *data, size_t len)
1557 {
1558         switch (subcmd) {
1559         case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
1560                 qca_nl80211_avoid_freq(drv, data, len);
1561                 break;
1562         case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH:
1563                 qca_nl80211_key_mgmt_auth(drv, data, len);
1564                 break;
1565         case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
1566                 qca_nl80211_acs_select_ch(drv, data, len);
1567                 break;
1568         default:
1569                 wpa_printf(MSG_DEBUG,
1570                            "nl80211: Ignore unsupported QCA vendor event %u",
1571                            subcmd);
1572                 break;
1573         }
1574 }
1575
1576
1577 static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
1578                                  struct nlattr **tb)
1579 {
1580         u32 vendor_id, subcmd, wiphy = 0;
1581         int wiphy_idx;
1582         u8 *data = NULL;
1583         size_t len = 0;
1584
1585         if (!tb[NL80211_ATTR_VENDOR_ID] ||
1586             !tb[NL80211_ATTR_VENDOR_SUBCMD])
1587                 return;
1588
1589         vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
1590         subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
1591
1592         if (tb[NL80211_ATTR_WIPHY])
1593                 wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1594
1595         wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
1596                    wiphy, vendor_id, subcmd);
1597
1598         if (tb[NL80211_ATTR_VENDOR_DATA]) {
1599                 data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
1600                 len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
1601                 wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
1602         }
1603
1604         wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
1605         if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
1606                 wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
1607                            wiphy, wiphy_idx);
1608                 return;
1609         }
1610
1611         switch (vendor_id) {
1612         case OUI_QCA:
1613                 nl80211_vendor_event_qca(drv, subcmd, data, len);
1614                 break;
1615         default:
1616                 wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
1617                 break;
1618         }
1619 }
1620
1621
1622 static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv,
1623                                      struct nlattr *tb[])
1624 {
1625         union wpa_event_data data;
1626         enum nl80211_reg_initiator init;
1627
1628         wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
1629
1630         if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
1631                 return;
1632
1633         os_memset(&data, 0, sizeof(data));
1634         init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]);
1635         wpa_printf(MSG_DEBUG, " * initiator=%d", init);
1636         switch (init) {
1637         case NL80211_REGDOM_SET_BY_CORE:
1638                 data.channel_list_changed.initiator = REGDOM_SET_BY_CORE;
1639                 break;
1640         case NL80211_REGDOM_SET_BY_USER:
1641                 data.channel_list_changed.initiator = REGDOM_SET_BY_USER;
1642                 break;
1643         case NL80211_REGDOM_SET_BY_DRIVER:
1644                 data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER;
1645                 break;
1646         case NL80211_REGDOM_SET_BY_COUNTRY_IE:
1647                 data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE;
1648                 break;
1649         }
1650
1651         if (tb[NL80211_ATTR_REG_TYPE]) {
1652                 enum nl80211_reg_type type;
1653                 type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
1654                 wpa_printf(MSG_DEBUG, " * type=%d", type);
1655                 switch (type) {
1656                 case NL80211_REGDOM_TYPE_COUNTRY:
1657                         data.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
1658                         break;
1659                 case NL80211_REGDOM_TYPE_WORLD:
1660                         data.channel_list_changed.type = REGDOM_TYPE_WORLD;
1661                         break;
1662                 case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
1663                         data.channel_list_changed.type =
1664                                 REGDOM_TYPE_CUSTOM_WORLD;
1665                         break;
1666                 case NL80211_REGDOM_TYPE_INTERSECTION:
1667                         data.channel_list_changed.type =
1668                                 REGDOM_TYPE_INTERSECTION;
1669                         break;
1670                 }
1671         }
1672
1673         if (tb[NL80211_ATTR_REG_ALPHA2]) {
1674                 os_strlcpy(data.channel_list_changed.alpha2,
1675                            nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
1676                            sizeof(data.channel_list_changed.alpha2));
1677                 wpa_printf(MSG_DEBUG, " * alpha2=%s",
1678                            data.channel_list_changed.alpha2);
1679         }
1680
1681         wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
1682 }
1683
1684
1685 static void do_process_drv_event(struct i802_bss *bss, int cmd,
1686                                  struct nlattr **tb)
1687 {
1688         struct wpa_driver_nl80211_data *drv = bss->drv;
1689         union wpa_event_data data;
1690
1691         wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
1692                    cmd, nl80211_command_to_string(cmd), bss->ifname);
1693
1694         if (cmd == NL80211_CMD_ROAM &&
1695             (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
1696                 /*
1697                  * Device will use roam+auth vendor event to indicate
1698                  * roaming, so ignore the regular roam event.
1699                  */
1700                 wpa_printf(MSG_DEBUG,
1701                            "nl80211: Ignore roam event (cmd=%d), device will use vendor event roam+auth",
1702                            cmd);
1703                 return;
1704         }
1705
1706         if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
1707             (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
1708              cmd == NL80211_CMD_SCAN_ABORTED)) {
1709                 wpa_driver_nl80211_set_mode(drv->first_bss,
1710                                             drv->ap_scan_as_station);
1711                 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
1712         }
1713
1714         switch (cmd) {
1715         case NL80211_CMD_TRIGGER_SCAN:
1716                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
1717                 drv->scan_state = SCAN_STARTED;
1718                 if (drv->scan_for_auth) {
1719                         /*
1720                          * Cannot indicate EVENT_SCAN_STARTED here since we skip
1721                          * EVENT_SCAN_RESULTS in scan_for_auth case and the
1722                          * upper layer implementation could get confused about
1723                          * scanning state.
1724                          */
1725                         wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth");
1726                         break;
1727                 }
1728                 wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
1729                 break;
1730         case NL80211_CMD_START_SCHED_SCAN:
1731                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
1732                 drv->scan_state = SCHED_SCAN_STARTED;
1733                 break;
1734         case NL80211_CMD_SCHED_SCAN_STOPPED:
1735                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
1736                 drv->scan_state = SCHED_SCAN_STOPPED;
1737                 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
1738                 break;
1739         case NL80211_CMD_NEW_SCAN_RESULTS:
1740                 wpa_dbg(drv->ctx, MSG_DEBUG,
1741                         "nl80211: New scan results available");
1742                 drv->scan_state = SCAN_COMPLETED;
1743                 drv->scan_complete_events = 1;
1744                 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
1745                                      drv->ctx);
1746                 send_scan_event(drv, 0, tb);
1747                 break;
1748         case NL80211_CMD_SCHED_SCAN_RESULTS:
1749                 wpa_dbg(drv->ctx, MSG_DEBUG,
1750                         "nl80211: New sched scan results available");
1751                 drv->scan_state = SCHED_SCAN_RESULTS;
1752                 send_scan_event(drv, 0, tb);
1753                 break;
1754         case NL80211_CMD_SCAN_ABORTED:
1755                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
1756                 drv->scan_state = SCAN_ABORTED;
1757                 /*
1758                  * Need to indicate that scan results are available in order
1759                  * not to make wpa_supplicant stop its scanning.
1760                  */
1761                 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
1762                                      drv->ctx);
1763                 send_scan_event(drv, 1, tb);
1764                 break;
1765         case NL80211_CMD_AUTHENTICATE:
1766         case NL80211_CMD_ASSOCIATE:
1767         case NL80211_CMD_DEAUTHENTICATE:
1768         case NL80211_CMD_DISASSOCIATE:
1769         case NL80211_CMD_FRAME_TX_STATUS:
1770         case NL80211_CMD_UNPROT_DEAUTHENTICATE:
1771         case NL80211_CMD_UNPROT_DISASSOCIATE:
1772                 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
1773                            tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
1774                            tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
1775                            tb[NL80211_ATTR_COOKIE],
1776                            tb[NL80211_ATTR_RX_SIGNAL_DBM],
1777                            tb[NL80211_ATTR_STA_WME]);
1778                 break;
1779         case NL80211_CMD_CONNECT:
1780         case NL80211_CMD_ROAM:
1781                 mlme_event_connect(drv, cmd,
1782                                    tb[NL80211_ATTR_STATUS_CODE],
1783                                    tb[NL80211_ATTR_MAC],
1784                                    tb[NL80211_ATTR_REQ_IE],
1785                                    tb[NL80211_ATTR_RESP_IE],
1786                                    NULL, NULL, NULL, NULL);
1787                 break;
1788         case NL80211_CMD_CH_SWITCH_NOTIFY:
1789                 mlme_event_ch_switch(drv,
1790                                      tb[NL80211_ATTR_IFINDEX],
1791                                      tb[NL80211_ATTR_WIPHY_FREQ],
1792                                      tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
1793                                      tb[NL80211_ATTR_CHANNEL_WIDTH],
1794                                      tb[NL80211_ATTR_CENTER_FREQ1],
1795                                      tb[NL80211_ATTR_CENTER_FREQ2]);
1796                 break;
1797         case NL80211_CMD_DISCONNECT:
1798                 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
1799                                       tb[NL80211_ATTR_MAC],
1800                                       tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
1801                 break;
1802         case NL80211_CMD_MICHAEL_MIC_FAILURE:
1803                 mlme_event_michael_mic_failure(bss, tb);
1804                 break;
1805         case NL80211_CMD_JOIN_IBSS:
1806                 mlme_event_join_ibss(drv, tb);
1807                 break;
1808         case NL80211_CMD_REMAIN_ON_CHANNEL:
1809                 mlme_event_remain_on_channel(drv, 0, tb);
1810                 break;
1811         case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
1812                 mlme_event_remain_on_channel(drv, 1, tb);
1813                 break;
1814         case NL80211_CMD_NOTIFY_CQM:
1815                 nl80211_cqm_event(drv, tb);
1816                 break;
1817         case NL80211_CMD_REG_CHANGE:
1818                 nl80211_reg_change_event(drv, tb);
1819                 break;
1820         case NL80211_CMD_REG_BEACON_HINT:
1821                 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
1822                 os_memset(&data, 0, sizeof(data));
1823                 data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
1824                 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
1825                                      &data);
1826                 break;
1827         case NL80211_CMD_NEW_STATION:
1828                 nl80211_new_station_event(drv, bss, tb);
1829                 break;
1830         case NL80211_CMD_DEL_STATION:
1831                 nl80211_del_station_event(drv, tb);
1832                 break;
1833         case NL80211_CMD_SET_REKEY_OFFLOAD:
1834                 nl80211_rekey_offload_event(drv, tb);
1835                 break;
1836         case NL80211_CMD_PMKSA_CANDIDATE:
1837                 nl80211_pmksa_candidate_event(drv, tb);
1838                 break;
1839         case NL80211_CMD_PROBE_CLIENT:
1840                 nl80211_client_probe_event(drv, tb);
1841                 break;
1842         case NL80211_CMD_TDLS_OPER:
1843                 nl80211_tdls_oper_event(drv, tb);
1844                 break;
1845         case NL80211_CMD_CONN_FAILED:
1846                 nl80211_connect_failed_event(drv, tb);
1847                 break;
1848         case NL80211_CMD_FT_EVENT:
1849                 mlme_event_ft_event(drv, tb);
1850                 break;
1851         case NL80211_CMD_RADAR_DETECT:
1852                 nl80211_radar_event(drv, tb);
1853                 break;
1854         case NL80211_CMD_STOP_AP:
1855                 nl80211_stop_ap(drv, tb);
1856                 break;
1857         case NL80211_CMD_VENDOR:
1858                 nl80211_vendor_event(drv, tb);
1859                 break;
1860         case NL80211_CMD_NEW_PEER_CANDIDATE:
1861                 nl80211_new_peer_candidate(drv, tb);
1862                 break;
1863         default:
1864                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
1865                         "(cmd=%d)", cmd);
1866                 break;
1867         }
1868 }
1869
1870
1871 int process_global_event(struct nl_msg *msg, void *arg)
1872 {
1873         struct nl80211_global *global = arg;
1874         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1875         struct nlattr *tb[NL80211_ATTR_MAX + 1];
1876         struct wpa_driver_nl80211_data *drv, *tmp;
1877         int ifidx = -1;
1878         struct i802_bss *bss;
1879         u64 wdev_id = 0;
1880         int wdev_id_set = 0;
1881
1882         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1883                   genlmsg_attrlen(gnlh, 0), NULL);
1884
1885         if (tb[NL80211_ATTR_IFINDEX])
1886                 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
1887         else if (tb[NL80211_ATTR_WDEV]) {
1888                 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
1889                 wdev_id_set = 1;
1890         }
1891
1892         dl_list_for_each_safe(drv, tmp, &global->interfaces,
1893                               struct wpa_driver_nl80211_data, list) {
1894                 for (bss = drv->first_bss; bss; bss = bss->next) {
1895                         if ((ifidx == -1 && !wdev_id_set) ||
1896                             ifidx == bss->ifindex ||
1897                             (wdev_id_set && bss->wdev_id_set &&
1898                              wdev_id == bss->wdev_id)) {
1899                                 do_process_drv_event(bss, gnlh->cmd, tb);
1900                                 return NL_SKIP;
1901                         }
1902                 }
1903                 wpa_printf(MSG_DEBUG,
1904                            "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d wdev 0x%llx)",
1905                            gnlh->cmd, ifidx, (long long unsigned int) wdev_id);
1906         }
1907
1908         return NL_SKIP;
1909 }
1910
1911
1912 int process_bss_event(struct nl_msg *msg, void *arg)
1913 {
1914         struct i802_bss *bss = arg;
1915         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1916         struct nlattr *tb[NL80211_ATTR_MAX + 1];
1917
1918         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1919                   genlmsg_attrlen(gnlh, 0), NULL);
1920
1921         wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
1922                    gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
1923                    bss->ifname);
1924
1925         switch (gnlh->cmd) {
1926         case NL80211_CMD_FRAME:
1927         case NL80211_CMD_FRAME_TX_STATUS:
1928                 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
1929                            tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
1930                            tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
1931                            tb[NL80211_ATTR_COOKIE],
1932                            tb[NL80211_ATTR_RX_SIGNAL_DBM],
1933                            tb[NL80211_ATTR_STA_WME]);
1934                 break;
1935         case NL80211_CMD_UNEXPECTED_FRAME:
1936                 nl80211_spurious_frame(bss, tb, 0);
1937                 break;
1938         case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
1939                 nl80211_spurious_frame(bss, tb, 1);
1940                 break;
1941         default:
1942                 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
1943                            "(cmd=%d)", gnlh->cmd);
1944                 break;
1945         }
1946
1947         return NL_SKIP;
1948 }