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 void 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             nla_parse_nested(wmm_info, NL80211_STA_WME_MAX, wmm_attr,
 193                              wme_policy) ||
 194             !wmm_info[NL80211_STA_WME_UAPSD_QUEUES])
 195                 return;
 196
 197         wmm_params->uapsd_queues =
 198                 nla_get_u8(wmm_info[NL80211_STA_WME_UAPSD_QUEUES]);
 199         wmm_params->info_bitmap |= WMM_PARAMS_UAPSD_QUEUES_INFO;
 200 }
 201
 202
 203 static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
 204                             const u8 *frame, size_t len, struct nlattr *wmm)
 205 {
 206         const struct ieee80211_mgmt *mgmt;
 207         union wpa_event_data event;
 208         u16 status;
 209
 210         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
 211             drv->force_connect_cmd) {
 212                 /*
 213                  * Avoid reporting two association events that would confuse
 214                  * the core code.
 215                  */
 216                 wpa_printf(MSG_DEBUG,
 217                            "nl80211: Ignore assoc event when using driver SME");
 218                 return;
 219         }
 220
 221         wpa_printf(MSG_DEBUG, "nl80211: Associate event");
 222         mgmt = (const struct ieee80211_mgmt *) frame;
 223         if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
 224                 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
 225                            "frame");
 226                 return;
 227         }
 228
 229         status = le_to_host16(mgmt->u.assoc_resp.status_code);
 230         if (status != WLAN_STATUS_SUCCESS) {
 231                 os_memset(&event, 0, sizeof(event));
 232                 event.assoc_reject.bssid = mgmt->bssid;
 233                 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
 234                         event.assoc_reject.resp_ies =
 235                                 (u8 *) mgmt->u.assoc_resp.variable;
 236                         event.assoc_reject.resp_ies_len =
 237                                 len - 24 - sizeof(mgmt->u.assoc_resp);
 238                 }
 239                 event.assoc_reject.status_code = status;
 240
 241                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
 242                 return;
 243         }
 244
 245         drv->associated = 1;
 246         os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
 247         os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
 248
 249         os_memset(&event, 0, sizeof(event));
 250         if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
 251                 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
 252                 event.assoc_info.resp_ies_len =
 253                         len - 24 - sizeof(mgmt->u.assoc_resp);
 254         }
 255
 256         event.assoc_info.freq = drv->assoc_freq;
 257
 258         nl80211_parse_wmm_params(wmm, &event.assoc_info.wmm_params);
 259
 260         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
 261 }
 262
 263
 264 static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
 265                                enum nl80211_commands cmd, struct nlattr *status,
 266                                struct nlattr *addr, struct nlattr *req_ie,
 267                                struct nlattr *resp_ie,
 268                                struct nlattr *authorized,
 269                                struct nlattr *key_replay_ctr,
 270                                struct nlattr *ptk_kck,
 271                                struct nlattr *ptk_kek)
 272 {
 273         union wpa_event_data event;
 274         const u8 *ssid;
 275         u16 status_code;
 276
 277         if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
 278                 /*
 279                  * Avoid reporting two association events that would confuse
 280                  * the core code.
 281                  */
 282                 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
 283                            "when using userspace SME", cmd);
 284                 return;
 285         }
 286
 287         status_code = status ? nla_get_u16(status) : WLAN_STATUS_SUCCESS;
 288
 289         if (cmd == NL80211_CMD_CONNECT) {
 290                 wpa_printf(MSG_DEBUG,
 291                            "nl80211: Connect event (status=%u ignore_next_local_disconnect=%d)",
 292                            status_code, drv->ignore_next_local_disconnect);
 293         } else if (cmd == NL80211_CMD_ROAM) {
 294                 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
 295         }
 296
 297         os_memset(&event, 0, sizeof(event));
 298         if (cmd == NL80211_CMD_CONNECT && status_code != WLAN_STATUS_SUCCESS) {
 299                 if (addr)
 300                         event.assoc_reject.bssid = nla_data(addr);
 301                 if (drv->ignore_next_local_disconnect) {
 302                         drv->ignore_next_local_disconnect = 0;
 303                         if (!event.assoc_reject.bssid ||
 304                             (os_memcmp(event.assoc_reject.bssid,
 305                                        drv->auth_attempt_bssid,
 306                                        ETH_ALEN) != 0)) {
 307                                 /*
 308                                  * Ignore the event that came without a BSSID or
 309                                  * for the old connection since this is likely
 310                                  * not relevant to the new Connect command.
 311                                  */
 312                                 wpa_printf(MSG_DEBUG,
 313                                            "nl80211: Ignore connection failure event triggered during reassociation");
 314                                 return;
 315                         }
 316                 }
 317                 if (resp_ie) {
 318                         event.assoc_reject.resp_ies = nla_data(resp_ie);
 319                         event.assoc_reject.resp_ies_len = nla_len(resp_ie);
 320                 }
 321                 event.assoc_reject.status_code = status_code;
 322                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
 323                 return;
 324         }
 325
 326         drv->associated = 1;
 327         if (addr) {
 328                 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
 329                 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
 330         }
 331
 332         if (req_ie) {
 333                 event.assoc_info.req_ies = nla_data(req_ie);
 334                 event.assoc_info.req_ies_len = nla_len(req_ie);
 335
 336                 if (cmd == NL80211_CMD_ROAM) {
 337                         ssid = nl80211_get_ie(event.assoc_info.req_ies,
 338                                               event.assoc_info.req_ies_len,
 339                                               WLAN_EID_SSID);
 340                         if (ssid && ssid[1] > 0 && ssid[1] <= 32) {
 341                                 drv->ssid_len = ssid[1];
 342                                 os_memcpy(drv->ssid, ssid + 2, ssid[1]);
 343                         }
 344                 }
 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[], int external_scan)
 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 (!external_scan && 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         info->external_scan = external_scan;
 993         info->nl_scan_event = 1;
 994
 995         if (tb[NL80211_ATTR_SCAN_SSIDS]) {
 996                 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
 997                         struct wpa_driver_scan_ssid *s =
 998                                 &info->ssids[info->num_ssids];
 999                         s->ssid = nla_data(nl);
1000                         s->ssid_len = nla_len(nl);
1001                         wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
1002                                    wpa_ssid_txt(s->ssid, s->ssid_len));
1003                         info->num_ssids++;
1004                         if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1005                                 break;
1006                 }
1007         }
1008         if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1009                 char msg[200], *pos, *end;
1010                 int res;
1011
1012                 pos = msg;
1013                 end = pos + sizeof(msg);
1014                 *pos = '\0';
1015
1016                 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1017                 {
1018                         freqs[num_freqs] = nla_get_u32(nl);
1019                         res = os_snprintf(pos, end - pos, " %d",
1020                                           freqs[num_freqs]);
1021                         if (!os_snprintf_error(end - pos, res))
1022                                 pos += res;
1023                         num_freqs++;
1024                         if (num_freqs == MAX_REPORT_FREQS - 1)
1025                                 break;
1026                 }
1027                 info->freqs = freqs;
1028                 info->num_freqs = num_freqs;
1029                 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1030                            msg);
1031         }
1032         wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1033 }
1034
1035
1036 static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
1037                               struct nlattr *tb[])
1038 {
1039         static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
1040                 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
1041                 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
1042                 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
1043                 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
1044         };
1045         struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
1046         enum nl80211_cqm_rssi_threshold_event event;
1047         union wpa_event_data ed;
1048         struct wpa_signal_info sig;
1049         int res;
1050
1051         if (tb[NL80211_ATTR_CQM] == NULL ||
1052             nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
1053                              cqm_policy)) {
1054                 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
1055                 return;
1056         }
1057
1058         os_memset(&ed, 0, sizeof(ed));
1059
1060         if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
1061                 if (!tb[NL80211_ATTR_MAC])
1062                         return;
1063                 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
1064                           ETH_ALEN);
1065                 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
1066                 return;
1067         }
1068
1069         if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
1070                 return;
1071         event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
1072
1073         if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
1074                 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1075                            "event: RSSI high");
1076                 ed.signal_change.above_threshold = 1;
1077         } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
1078                 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1079                            "event: RSSI low");
1080                 ed.signal_change.above_threshold = 0;
1081         } else
1082                 return;
1083
1084         res = nl80211_get_link_signal(drv, &sig);
1085         if (res == 0) {
1086                 ed.signal_change.current_signal = sig.current_signal;
1087                 ed.signal_change.current_txrate = sig.current_txrate;
1088                 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm  txrate: %d",
1089                            sig.current_signal, sig.current_txrate);
1090         }
1091
1092         res = nl80211_get_link_noise(drv, &sig);
1093         if (res == 0) {
1094                 ed.signal_change.current_noise = sig.current_noise;
1095                 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
1096                            sig.current_noise);
1097         }
1098
1099         wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
1100 }
1101
1102
1103 static void nl80211_new_peer_candidate(struct wpa_driver_nl80211_data *drv,
1104                                        struct nlattr **tb)
1105 {
1106         const u8 *addr;
1107         union wpa_event_data data;
1108
1109         if (drv->nlmode != NL80211_IFTYPE_MESH_POINT ||
1110             !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             !tb[NL80211_ATTR_REKEY_DATA] ||
1206             nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
1207                              tb[NL80211_ATTR_REKEY_DATA], rekey_policy) ||
1208             !rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
1209                 return;
1210
1211         os_memset(&data, 0, sizeof(data));
1212         data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
1213         wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
1214                    MAC2STR(data.driver_gtk_rekey.bssid));
1215         data.driver_gtk_rekey.replay_ctr =
1216                 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
1217         wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
1218                     data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
1219         wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
1220 }
1221
1222
1223 static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
1224                                           struct nlattr **tb)
1225 {
1226         struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
1227         static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
1228                 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
1229                 [NL80211_PMKSA_CANDIDATE_BSSID] = {
1230                         .minlen = ETH_ALEN,
1231                         .maxlen = ETH_ALEN,
1232                 },
1233                 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
1234         };
1235         union wpa_event_data data;
1236
1237         wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
1238
1239         if (!tb[NL80211_ATTR_PMKSA_CANDIDATE] ||
1240             nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
1241                              tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy) ||
1242             !cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
1243             !cand[NL80211_PMKSA_CANDIDATE_BSSID])
1244                 return;
1245
1246         os_memset(&data, 0, sizeof(data));
1247         os_memcpy(data.pmkid_candidate.bssid,
1248                   nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
1249         data.pmkid_candidate.index =
1250                 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
1251         data.pmkid_candidate.preauth =
1252                 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
1253         wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
1254 }
1255
1256
1257 static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
1258                                        struct nlattr **tb)
1259 {
1260         union wpa_event_data data;
1261
1262         wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
1263
1264         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
1265                 return;
1266
1267         os_memset(&data, 0, sizeof(data));
1268         os_memcpy(data.client_poll.addr,
1269                   nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1270
1271         wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
1272 }
1273
1274
1275 static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
1276                                     struct nlattr **tb)
1277 {
1278         union wpa_event_data data;
1279
1280         wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
1281
1282         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
1283                 return;
1284
1285         os_memset(&data, 0, sizeof(data));
1286         os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1287         switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
1288         case NL80211_TDLS_SETUP:
1289                 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
1290                            MACSTR, MAC2STR(data.tdls.peer));
1291                 data.tdls.oper = TDLS_REQUEST_SETUP;
1292                 break;
1293         case NL80211_TDLS_TEARDOWN:
1294                 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
1295                            MACSTR, MAC2STR(data.tdls.peer));
1296                 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
1297                 break;
1298         case NL80211_TDLS_DISCOVERY_REQ:
1299                 wpa_printf(MSG_DEBUG,
1300                            "nl80211: TDLS discovery request for peer " MACSTR,
1301                            MAC2STR(data.tdls.peer));
1302                 data.tdls.oper = TDLS_REQUEST_DISCOVER;
1303                 break;
1304         default:
1305                 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
1306                            "event");
1307                 return;
1308         }
1309         if (tb[NL80211_ATTR_REASON_CODE]) {
1310                 data.tdls.reason_code =
1311                         nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
1312         }
1313
1314         wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
1315 }
1316
1317
1318 static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
1319                             struct nlattr **tb)
1320 {
1321         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
1322 }
1323
1324
1325 static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
1326                                          struct nlattr **tb)
1327 {
1328         union wpa_event_data data;
1329         u32 reason;
1330
1331         wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
1332
1333         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
1334                 return;
1335
1336         os_memset(&data, 0, sizeof(data));
1337         os_memcpy(data.connect_failed_reason.addr,
1338                   nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1339
1340         reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
1341         switch (reason) {
1342         case NL80211_CONN_FAIL_MAX_CLIENTS:
1343                 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
1344                 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
1345                 break;
1346         case NL80211_CONN_FAIL_BLOCKED_CLIENT:
1347                 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
1348                            " tried to connect",
1349                            MAC2STR(data.connect_failed_reason.addr));
1350                 data.connect_failed_reason.code = BLOCKED_CLIENT;
1351                 break;
1352         default:
1353                 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
1354                            "%u", reason);
1355                 return;
1356         }
1357
1358         wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
1359 }
1360
1361
1362 static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
1363                                 struct nlattr **tb)
1364 {
1365         union wpa_event_data data;
1366         enum nl80211_radar_event event_type;
1367
1368         if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
1369                 return;
1370
1371         os_memset(&data, 0, sizeof(data));
1372         data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1373         event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
1374
1375         /* Check HT params */
1376         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1377                 data.dfs_event.ht_enabled = 1;
1378                 data.dfs_event.chan_offset = 0;
1379
1380                 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1381                 case NL80211_CHAN_NO_HT:
1382                         data.dfs_event.ht_enabled = 0;
1383                         break;
1384                 case NL80211_CHAN_HT20:
1385                         break;
1386                 case NL80211_CHAN_HT40PLUS:
1387                         data.dfs_event.chan_offset = 1;
1388                         break;
1389                 case NL80211_CHAN_HT40MINUS:
1390                         data.dfs_event.chan_offset = -1;
1391                         break;
1392                 }
1393         }
1394
1395         /* Get VHT params */
1396         if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1397                 data.dfs_event.chan_width =
1398                         convert2width(nla_get_u32(
1399                                               tb[NL80211_ATTR_CHANNEL_WIDTH]));
1400         if (tb[NL80211_ATTR_CENTER_FREQ1])
1401                 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1402         if (tb[NL80211_ATTR_CENTER_FREQ2])
1403                 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1404
1405         wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1406                    data.dfs_event.freq, data.dfs_event.ht_enabled,
1407                    data.dfs_event.chan_offset, data.dfs_event.chan_width,
1408                    data.dfs_event.cf1, data.dfs_event.cf2);
1409
1410         switch (event_type) {
1411         case NL80211_RADAR_DETECTED:
1412                 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1413                 break;
1414         case NL80211_RADAR_CAC_FINISHED:
1415                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1416                 break;
1417         case NL80211_RADAR_CAC_ABORTED:
1418                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1419                 break;
1420         case NL80211_RADAR_NOP_FINISHED:
1421                 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1422                 break;
1423         default:
1424                 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
1425                            "received", event_type);
1426                 break;
1427         }
1428 }
1429
1430
1431 static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
1432                                    int wds)
1433 {
1434         struct wpa_driver_nl80211_data *drv = bss->drv;
1435         union wpa_event_data event;
1436
1437         if (!tb[NL80211_ATTR_MAC])
1438                 return;
1439
1440         os_memset(&event, 0, sizeof(event));
1441         event.rx_from_unknown.bssid = bss->addr;
1442         event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
1443         event.rx_from_unknown.wds = wds;
1444
1445         wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
1446 }
1447
1448
1449 #ifdef CONFIG_DRIVER_NL80211_QCA
1450
1451 static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
1452                                    const u8 *data, size_t len)
1453 {
1454         u32 i, count;
1455         union wpa_event_data event;
1456         struct wpa_freq_range *range = NULL;
1457         const struct qca_avoid_freq_list *freq_range;
1458
1459         freq_range = (const struct qca_avoid_freq_list *) data;
1460         if (len < sizeof(freq_range->count))
1461                 return;
1462
1463         count = freq_range->count;
1464         if (len < sizeof(freq_range->count) +
1465             count * sizeof(struct qca_avoid_freq_range)) {
1466                 wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
1467                            (unsigned int) len);
1468                 return;
1469         }
1470
1471         if (count > 0) {
1472                 range = os_calloc(count, sizeof(struct wpa_freq_range));
1473                 if (range == NULL)
1474                         return;
1475         }
1476
1477         os_memset(&event, 0, sizeof(event));
1478         for (i = 0; i < count; i++) {
1479                 unsigned int idx = event.freq_range.num;
1480                 range[idx].min = freq_range->range[i].start_freq;
1481                 range[idx].max = freq_range->range[i].end_freq;
1482                 wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
1483                            range[idx].min, range[idx].max);
1484                 if (range[idx].min > range[idx].max) {
1485                         wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
1486                         continue;
1487                 }
1488                 event.freq_range.num++;
1489         }
1490         event.freq_range.range = range;
1491
1492         wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
1493
1494         os_free(range);
1495 }
1496
1497
1498 static enum hostapd_hw_mode get_qca_hw_mode(u8 hw_mode)
1499 {
1500         switch (hw_mode) {
1501         case QCA_ACS_MODE_IEEE80211B:
1502                 return HOSTAPD_MODE_IEEE80211B;
1503         case QCA_ACS_MODE_IEEE80211G:
1504                 return HOSTAPD_MODE_IEEE80211G;
1505         case QCA_ACS_MODE_IEEE80211A:
1506                 return HOSTAPD_MODE_IEEE80211A;
1507         case QCA_ACS_MODE_IEEE80211AD:
1508                 return HOSTAPD_MODE_IEEE80211AD;
1509         case QCA_ACS_MODE_IEEE80211ANY:
1510                 return HOSTAPD_MODE_IEEE80211ANY;
1511         default:
1512                 return NUM_HOSTAPD_MODES;
1513         }
1514 }
1515
1516
1517 static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
1518                                    const u8 *data, size_t len)
1519 {
1520         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1];
1521         union wpa_event_data event;
1522
1523         wpa_printf(MSG_DEBUG,
1524                    "nl80211: ACS channel selection vendor event received");
1525
1526         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ACS_MAX,
1527                       (struct nlattr *) data, len, NULL) ||
1528             !tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL] ||
1529             !tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL])
1530                 return;
1531
1532         os_memset(&event, 0, sizeof(event));
1533         event.acs_selected_channels.pri_channel =
1534                 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL]);
1535         event.acs_selected_channels.sec_channel =
1536                 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]);
1537         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
1538                 event.acs_selected_channels.vht_seg0_center_ch =
1539                         nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL]);
1540         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
1541                 event.acs_selected_channels.vht_seg1_center_ch =
1542                         nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG1_CENTER_CHANNEL]);
1543         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH])
1544                 event.acs_selected_channels.ch_width =
1545                         nla_get_u16(tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH]);
1546         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]) {
1547                 u8 hw_mode = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]);
1548
1549                 event.acs_selected_channels.hw_mode = get_qca_hw_mode(hw_mode);
1550                 if (event.acs_selected_channels.hw_mode == NUM_HOSTAPD_MODES ||
1551                     event.acs_selected_channels.hw_mode ==
1552                     HOSTAPD_MODE_IEEE80211ANY) {
1553                         wpa_printf(MSG_DEBUG,
1554                                    "nl80211: Invalid hw_mode %d in ACS selection event",
1555                                    hw_mode);
1556                         return;
1557                 }
1558         }
1559
1560         wpa_printf(MSG_INFO,
1561                    "nl80211: ACS Results: PCH: %d SCH: %d BW: %d VHT0: %d VHT1: %d HW_MODE: %d",
1562                    event.acs_selected_channels.pri_channel,
1563                    event.acs_selected_channels.sec_channel,
1564                    event.acs_selected_channels.ch_width,
1565                    event.acs_selected_channels.vht_seg0_center_ch,
1566                    event.acs_selected_channels.vht_seg1_center_ch,
1567                    event.acs_selected_channels.hw_mode);
1568
1569         /* Ignore ACS channel list check for backwards compatibility */
1570
1571         wpa_supplicant_event(drv->ctx, EVENT_ACS_CHANNEL_SELECTED, &event);
1572 }
1573
1574
1575 static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
1576                                       const u8 *data, size_t len)
1577 {
1578         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX + 1];
1579         u8 *bssid;
1580
1581         wpa_printf(MSG_DEBUG,
1582                    "nl80211: Key management roam+auth vendor event received");
1583
1584         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX,
1585                       (struct nlattr *) data, len, NULL) ||
1586             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID] ||
1587             nla_len(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]) != ETH_ALEN ||
1588             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE] ||
1589             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE] ||
1590             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED])
1591                 return;
1592
1593         bssid = nla_data(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]);
1594         wpa_printf(MSG_DEBUG, "  * roam BSSID " MACSTR, MAC2STR(bssid));
1595
1596         mlme_event_connect(drv, NL80211_CMD_ROAM, NULL,
1597                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID],
1598                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE],
1599                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE],
1600                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED],
1601                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR],
1602                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK],
1603                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK]);
1604 }
1605
1606
1607 static void qca_nl80211_dfs_offload_radar_event(
1608         struct wpa_driver_nl80211_data *drv, u32 subcmd, u8 *msg, int length)
1609 {
1610         union wpa_event_data data;
1611         struct nlattr *tb[NL80211_ATTR_MAX + 1];
1612
1613         wpa_printf(MSG_DEBUG,
1614                    "nl80211: DFS offload radar vendor event received");
1615
1616         if (nla_parse(tb, NL80211_ATTR_MAX,
1617                       (struct nlattr *) msg, length, NULL))
1618                 return;
1619
1620         if (!tb[NL80211_ATTR_WIPHY_FREQ]) {
1621                 wpa_printf(MSG_INFO,
1622                            "nl80211: Error parsing WIPHY_FREQ in FS offload radar vendor event");
1623                 return;
1624         }
1625
1626         os_memset(&data, 0, sizeof(data));
1627         data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1628
1629         wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz",
1630                    data.dfs_event.freq);
1631
1632         /* Check HT params */
1633         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1634                 data.dfs_event.ht_enabled = 1;
1635                 data.dfs_event.chan_offset = 0;
1636
1637                 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1638                 case NL80211_CHAN_NO_HT:
1639                         data.dfs_event.ht_enabled = 0;
1640                         break;
1641                 case NL80211_CHAN_HT20:
1642                         break;
1643                 case NL80211_CHAN_HT40PLUS:
1644                         data.dfs_event.chan_offset = 1;
1645                         break;
1646                 case NL80211_CHAN_HT40MINUS:
1647                         data.dfs_event.chan_offset = -1;
1648                         break;
1649                 }
1650         }
1651
1652         /* Get VHT params */
1653         if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1654                 data.dfs_event.chan_width =
1655                         convert2width(nla_get_u32(
1656                                               tb[NL80211_ATTR_CHANNEL_WIDTH]));
1657         if (tb[NL80211_ATTR_CENTER_FREQ1])
1658                 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1659         if (tb[NL80211_ATTR_CENTER_FREQ2])
1660                 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1661
1662         wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, "
1663                     "offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1664                     data.dfs_event.freq, data.dfs_event.ht_enabled,
1665                     data.dfs_event.chan_offset, data.dfs_event.chan_width,
1666                     data.dfs_event.cf1, data.dfs_event.cf2);
1667
1668         switch (subcmd) {
1669         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
1670                 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1671                 break;
1672         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
1673                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
1674                 break;
1675         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
1676                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1677                 break;
1678         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
1679                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1680                 break;
1681         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
1682                 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1683                 break;
1684         default:
1685                 wpa_printf(MSG_DEBUG,
1686                            "nl80211: Unknown DFS offload radar event %d received",
1687                            subcmd);
1688                 break;
1689         }
1690 }
1691
1692
1693 static void qca_nl80211_scan_trigger_event(struct wpa_driver_nl80211_data *drv,
1694                                            u8 *data, size_t len)
1695 {
1696         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
1697         u64 cookie = 0;
1698         union wpa_event_data event;
1699         struct scan_info *info;
1700
1701         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
1702                       (struct nlattr *) data, len, NULL) ||
1703             !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
1704                 return;
1705
1706         cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
1707         if (cookie != drv->vendor_scan_cookie) {
1708                 /* External scan trigger event, ignore */
1709                 return;
1710         }
1711
1712         /* Cookie match, own scan */
1713         os_memset(&event, 0, sizeof(event));
1714         info = &event.scan_info;
1715         info->external_scan = 0;
1716         info->nl_scan_event = 0;
1717
1718         drv->scan_state = SCAN_STARTED;
1719         wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, &event);
1720 }
1721
1722
1723 static void send_vendor_scan_event(struct wpa_driver_nl80211_data *drv,
1724                                    int aborted, struct nlattr *tb[],
1725                                    int external_scan)
1726 {
1727         union wpa_event_data event;
1728         struct nlattr *nl;
1729         int rem;
1730         struct scan_info *info;
1731         int freqs[MAX_REPORT_FREQS];
1732         int num_freqs = 0;
1733
1734         os_memset(&event, 0, sizeof(event));
1735         info = &event.scan_info;
1736         info->aborted = aborted;
1737         info->external_scan = external_scan;
1738
1739         if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS]) {
1740                 nla_for_each_nested(nl,
1741                                     tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS], rem) {
1742                         struct wpa_driver_scan_ssid *s =
1743                                 &info->ssids[info->num_ssids];
1744                         s->ssid = nla_data(nl);
1745                         s->ssid_len = nla_len(nl);
1746                         wpa_printf(MSG_DEBUG,
1747                                    "nl80211: Scan probed for SSID '%s'",
1748                                    wpa_ssid_txt(s->ssid, s->ssid_len));
1749                         info->num_ssids++;
1750                         if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1751                                 break;
1752                 }
1753         }
1754
1755         if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES]) {
1756                 char msg[200], *pos, *end;
1757                 int res;
1758
1759                 pos = msg;
1760                 end = pos + sizeof(msg);
1761                 *pos = '\0';
1762
1763                 nla_for_each_nested(nl,
1764                                     tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES],
1765                                     rem) {
1766                         freqs[num_freqs] = nla_get_u32(nl);
1767                         res = os_snprintf(pos, end - pos, " %d",
1768                                           freqs[num_freqs]);
1769                         if (!os_snprintf_error(end - pos, res))
1770                                 pos += res;
1771                         num_freqs++;
1772                         if (num_freqs == MAX_REPORT_FREQS - 1)
1773                                 break;
1774                 }
1775
1776                 info->freqs = freqs;
1777                 info->num_freqs = num_freqs;
1778                 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1779                            msg);
1780         }
1781         wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1782 }
1783
1784
1785 static void qca_nl80211_scan_done_event(struct wpa_driver_nl80211_data *drv,
1786                                         u8 *data, size_t len)
1787 {
1788         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
1789         u64 cookie = 0;
1790         enum scan_status status;
1791         int external_scan;
1792
1793         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
1794                       (struct nlattr *) data, len, NULL) ||
1795             !tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS] ||
1796             !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
1797                 return;
1798
1799         status = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS]);
1800         if (status >= VENDOR_SCAN_STATUS_MAX)
1801                 return; /* invalid status */
1802
1803         cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
1804         if (cookie != drv->vendor_scan_cookie) {
1805                 /* Event from an external scan, get scan results */
1806                 external_scan = 1;
1807         } else {
1808                 external_scan = 0;
1809                 if (status == VENDOR_SCAN_STATUS_NEW_RESULTS)
1810                         drv->scan_state = SCAN_COMPLETED;
1811                 else
1812                         drv->scan_state = SCAN_ABORTED;
1813
1814                 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
1815                                      drv->ctx);
1816                 drv->vendor_scan_cookie = 0;
1817                 drv->last_scan_cmd = 0;
1818         }
1819
1820         send_vendor_scan_event(drv, (status == VENDOR_SCAN_STATUS_ABORTED), tb,
1821                                external_scan);
1822 }
1823
1824 #endif /* CONFIG_DRIVER_NL80211_QCA */
1825
1826
1827 static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
1828                                      u32 subcmd, u8 *data, size_t len)
1829 {
1830         switch (subcmd) {
1831         case QCA_NL80211_VENDOR_SUBCMD_TEST:
1832                 wpa_hexdump(MSG_DEBUG, "nl80211: QCA test event", data, len);
1833                 break;
1834 #ifdef CONFIG_DRIVER_NL80211_QCA
1835         case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
1836                 qca_nl80211_avoid_freq(drv, data, len);
1837                 break;
1838         case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH:
1839                 qca_nl80211_key_mgmt_auth(drv, data, len);
1840                 break;
1841         case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
1842                 qca_nl80211_acs_select_ch(drv, data, len);
1843                 break;
1844         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
1845         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
1846         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
1847         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
1848         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
1849                 qca_nl80211_dfs_offload_radar_event(drv, subcmd, data, len);
1850                 break;
1851         case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
1852                 qca_nl80211_scan_trigger_event(drv, data, len);
1853                 break;
1854         case QCA_NL80211_VENDOR_SUBCMD_SCAN_DONE:
1855                 qca_nl80211_scan_done_event(drv, data, len);
1856                 break;
1857 #endif /* CONFIG_DRIVER_NL80211_QCA */
1858         default:
1859                 wpa_printf(MSG_DEBUG,
1860                            "nl80211: Ignore unsupported QCA vendor event %u",
1861                            subcmd);
1862                 break;
1863         }
1864 }
1865
1866
1867 static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
1868                                  struct nlattr **tb)
1869 {
1870         u32 vendor_id, subcmd, wiphy = 0;
1871         int wiphy_idx;
1872         u8 *data = NULL;
1873         size_t len = 0;
1874
1875         if (!tb[NL80211_ATTR_VENDOR_ID] ||
1876             !tb[NL80211_ATTR_VENDOR_SUBCMD])
1877                 return;
1878
1879         vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
1880         subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
1881
1882         if (tb[NL80211_ATTR_WIPHY])
1883                 wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1884
1885         wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
1886                    wiphy, vendor_id, subcmd);
1887
1888         if (tb[NL80211_ATTR_VENDOR_DATA]) {
1889                 data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
1890                 len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
1891                 wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
1892         }
1893
1894         wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
1895         if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
1896                 wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
1897                            wiphy, wiphy_idx);
1898                 return;
1899         }
1900
1901         switch (vendor_id) {
1902         case OUI_QCA:
1903                 nl80211_vendor_event_qca(drv, subcmd, data, len);
1904                 break;
1905         default:
1906                 wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
1907                 break;
1908         }
1909 }
1910
1911
1912 static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv,
1913                                      struct nlattr *tb[])
1914 {
1915         union wpa_event_data data;
1916         enum nl80211_reg_initiator init;
1917
1918         wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
1919
1920         if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
1921                 return;
1922
1923         os_memset(&data, 0, sizeof(data));
1924         init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]);
1925         wpa_printf(MSG_DEBUG, " * initiator=%d", init);
1926         switch (init) {
1927         case NL80211_REGDOM_SET_BY_CORE:
1928                 data.channel_list_changed.initiator = REGDOM_SET_BY_CORE;
1929                 break;
1930         case NL80211_REGDOM_SET_BY_USER:
1931                 data.channel_list_changed.initiator = REGDOM_SET_BY_USER;
1932                 break;
1933         case NL80211_REGDOM_SET_BY_DRIVER:
1934                 data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER;
1935                 break;
1936         case NL80211_REGDOM_SET_BY_COUNTRY_IE:
1937                 data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE;
1938                 break;
1939         }
1940
1941         if (tb[NL80211_ATTR_REG_TYPE]) {
1942                 enum nl80211_reg_type type;
1943                 type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
1944                 wpa_printf(MSG_DEBUG, " * type=%d", type);
1945                 switch (type) {
1946                 case NL80211_REGDOM_TYPE_COUNTRY:
1947                         data.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
1948                         break;
1949                 case NL80211_REGDOM_TYPE_WORLD:
1950                         data.channel_list_changed.type = REGDOM_TYPE_WORLD;
1951                         break;
1952                 case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
1953                         data.channel_list_changed.type =
1954                                 REGDOM_TYPE_CUSTOM_WORLD;
1955                         break;
1956                 case NL80211_REGDOM_TYPE_INTERSECTION:
1957                         data.channel_list_changed.type =
1958                                 REGDOM_TYPE_INTERSECTION;
1959                         break;
1960                 }
1961         }
1962
1963         if (tb[NL80211_ATTR_REG_ALPHA2]) {
1964                 os_strlcpy(data.channel_list_changed.alpha2,
1965                            nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
1966                            sizeof(data.channel_list_changed.alpha2));
1967                 wpa_printf(MSG_DEBUG, " * alpha2=%s",
1968                            data.channel_list_changed.alpha2);
1969         }
1970
1971         wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
1972 }
1973
1974
1975 static void do_process_drv_event(struct i802_bss *bss, int cmd,
1976                                  struct nlattr **tb)
1977 {
1978         struct wpa_driver_nl80211_data *drv = bss->drv;
1979         union wpa_event_data data;
1980         int external_scan_event = 0;
1981
1982         wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
1983                    cmd, nl80211_command_to_string(cmd), bss->ifname);
1984
1985         if (cmd == NL80211_CMD_ROAM &&
1986             (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
1987                 /*
1988                  * Device will use roam+auth vendor event to indicate
1989                  * roaming, so ignore the regular roam event.
1990                  */
1991                 wpa_printf(MSG_DEBUG,
1992                            "nl80211: Ignore roam event (cmd=%d), device will use vendor event roam+auth",
1993                            cmd);
1994                 return;
1995         }
1996
1997         if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
1998             (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
1999              cmd == NL80211_CMD_SCAN_ABORTED)) {
2000                 wpa_driver_nl80211_set_mode(drv->first_bss,
2001                                             drv->ap_scan_as_station);
2002                 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
2003         }
2004
2005         switch (cmd) {
2006         case NL80211_CMD_TRIGGER_SCAN:
2007                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
2008                 drv->scan_state = SCAN_STARTED;
2009                 if (drv->scan_for_auth) {
2010                         /*
2011                          * Cannot indicate EVENT_SCAN_STARTED here since we skip
2012                          * EVENT_SCAN_RESULTS in scan_for_auth case and the
2013                          * upper layer implementation could get confused about
2014                          * scanning state.
2015                          */
2016                         wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth");
2017                         break;
2018                 }
2019                 wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
2020                 break;
2021         case NL80211_CMD_START_SCHED_SCAN:
2022                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
2023                 drv->scan_state = SCHED_SCAN_STARTED;
2024                 break;
2025         case NL80211_CMD_SCHED_SCAN_STOPPED:
2026                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
2027                 drv->scan_state = SCHED_SCAN_STOPPED;
2028                 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2029                 break;
2030         case NL80211_CMD_NEW_SCAN_RESULTS:
2031                 wpa_dbg(drv->ctx, MSG_DEBUG,
2032                         "nl80211: New scan results available");
2033                 drv->scan_complete_events = 1;
2034                 if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2035                         drv->scan_state = SCAN_COMPLETED;
2036                         eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2037                                              drv, drv->ctx);
2038                         drv->last_scan_cmd = 0;
2039                 } else {
2040                         external_scan_event = 1;
2041                 }
2042                 send_scan_event(drv, 0, tb, external_scan_event);
2043                 break;
2044         case NL80211_CMD_SCHED_SCAN_RESULTS:
2045                 wpa_dbg(drv->ctx, MSG_DEBUG,
2046                         "nl80211: New sched scan results available");
2047                 drv->scan_state = SCHED_SCAN_RESULTS;
2048                 send_scan_event(drv, 0, tb, 0);
2049                 break;
2050         case NL80211_CMD_SCAN_ABORTED:
2051                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
2052                 if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2053                         drv->scan_state = SCAN_ABORTED;
2054                         /*
2055                          * Need to indicate that scan results are available in
2056                          * order not to make wpa_supplicant stop its scanning.
2057                          */
2058                         eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2059                                              drv, drv->ctx);
2060                         drv->last_scan_cmd = 0;
2061                 } else {
2062                         external_scan_event = 1;
2063                 }
2064                 send_scan_event(drv, 1, tb, external_scan_event);
2065                 break;
2066         case NL80211_CMD_AUTHENTICATE:
2067         case NL80211_CMD_ASSOCIATE:
2068         case NL80211_CMD_DEAUTHENTICATE:
2069         case NL80211_CMD_DISASSOCIATE:
2070         case NL80211_CMD_FRAME_TX_STATUS:
2071         case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2072         case NL80211_CMD_UNPROT_DISASSOCIATE:
2073                 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
2074                            tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2075                            tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2076                            tb[NL80211_ATTR_COOKIE],
2077                            tb[NL80211_ATTR_RX_SIGNAL_DBM],
2078                            tb[NL80211_ATTR_STA_WME]);
2079                 break;
2080         case NL80211_CMD_CONNECT:
2081         case NL80211_CMD_ROAM:
2082                 mlme_event_connect(drv, cmd,
2083                                    tb[NL80211_ATTR_STATUS_CODE],
2084                                    tb[NL80211_ATTR_MAC],
2085                                    tb[NL80211_ATTR_REQ_IE],
2086                                    tb[NL80211_ATTR_RESP_IE],
2087                                    NULL, NULL, NULL, NULL);
2088                 break;
2089         case NL80211_CMD_CH_SWITCH_NOTIFY:
2090                 mlme_event_ch_switch(drv,
2091                                      tb[NL80211_ATTR_IFINDEX],
2092                                      tb[NL80211_ATTR_WIPHY_FREQ],
2093                                      tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2094                                      tb[NL80211_ATTR_CHANNEL_WIDTH],
2095                                      tb[NL80211_ATTR_CENTER_FREQ1],
2096                                      tb[NL80211_ATTR_CENTER_FREQ2]);
2097                 break;
2098         case NL80211_CMD_DISCONNECT:
2099                 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
2100                                       tb[NL80211_ATTR_MAC],
2101                                       tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
2102                 break;
2103         case NL80211_CMD_MICHAEL_MIC_FAILURE:
2104                 mlme_event_michael_mic_failure(bss, tb);
2105                 break;
2106         case NL80211_CMD_JOIN_IBSS:
2107                 mlme_event_join_ibss(drv, tb);
2108                 break;
2109         case NL80211_CMD_REMAIN_ON_CHANNEL:
2110                 mlme_event_remain_on_channel(drv, 0, tb);
2111                 break;
2112         case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2113                 mlme_event_remain_on_channel(drv, 1, tb);
2114                 break;
2115         case NL80211_CMD_NOTIFY_CQM:
2116                 nl80211_cqm_event(drv, tb);
2117                 break;
2118         case NL80211_CMD_REG_CHANGE:
2119                 nl80211_reg_change_event(drv, tb);
2120                 break;
2121         case NL80211_CMD_REG_BEACON_HINT:
2122                 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2123                 os_memset(&data, 0, sizeof(data));
2124                 data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
2125                 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2126                                      &data);
2127                 break;
2128         case NL80211_CMD_NEW_STATION:
2129                 nl80211_new_station_event(drv, bss, tb);
2130                 break;
2131         case NL80211_CMD_DEL_STATION:
2132                 nl80211_del_station_event(drv, tb);
2133                 break;
2134         case NL80211_CMD_SET_REKEY_OFFLOAD:
2135                 nl80211_rekey_offload_event(drv, tb);
2136                 break;
2137         case NL80211_CMD_PMKSA_CANDIDATE:
2138                 nl80211_pmksa_candidate_event(drv, tb);
2139                 break;
2140         case NL80211_CMD_PROBE_CLIENT:
2141                 nl80211_client_probe_event(drv, tb);
2142                 break;
2143         case NL80211_CMD_TDLS_OPER:
2144                 nl80211_tdls_oper_event(drv, tb);
2145                 break;
2146         case NL80211_CMD_CONN_FAILED:
2147                 nl80211_connect_failed_event(drv, tb);
2148                 break;
2149         case NL80211_CMD_FT_EVENT:
2150                 mlme_event_ft_event(drv, tb);
2151                 break;
2152         case NL80211_CMD_RADAR_DETECT:
2153                 nl80211_radar_event(drv, tb);
2154                 break;
2155         case NL80211_CMD_STOP_AP:
2156                 nl80211_stop_ap(drv, tb);
2157                 break;
2158         case NL80211_CMD_VENDOR:
2159                 nl80211_vendor_event(drv, tb);
2160                 break;
2161         case NL80211_CMD_NEW_PEER_CANDIDATE:
2162                 nl80211_new_peer_candidate(drv, tb);
2163                 break;
2164         default:
2165                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
2166                         "(cmd=%d)", cmd);
2167                 break;
2168         }
2169 }
2170
2171
2172 int process_global_event(struct nl_msg *msg, void *arg)
2173 {
2174         struct nl80211_global *global = arg;
2175         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2176         struct nlattr *tb[NL80211_ATTR_MAX + 1];
2177         struct wpa_driver_nl80211_data *drv, *tmp;
2178         int ifidx = -1;
2179         struct i802_bss *bss;
2180         u64 wdev_id = 0;
2181         int wdev_id_set = 0;
2182
2183         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2184                   genlmsg_attrlen(gnlh, 0), NULL);
2185
2186         if (tb[NL80211_ATTR_IFINDEX])
2187                 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2188         else if (tb[NL80211_ATTR_WDEV]) {
2189                 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2190                 wdev_id_set = 1;
2191         }
2192
2193         dl_list_for_each_safe(drv, tmp, &global->interfaces,
2194                               struct wpa_driver_nl80211_data, list) {
2195                 for (bss = drv->first_bss; bss; bss = bss->next) {
2196                         if ((ifidx == -1 && !wdev_id_set) ||
2197                             ifidx == bss->ifindex ||
2198                             (wdev_id_set && bss->wdev_id_set &&
2199                              wdev_id == bss->wdev_id)) {
2200                                 do_process_drv_event(bss, gnlh->cmd, tb);
2201                                 return NL_SKIP;
2202                         }
2203                 }
2204                 wpa_printf(MSG_DEBUG,
2205                            "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d wdev 0x%llx)",
2206                            gnlh->cmd, ifidx, (long long unsigned int) wdev_id);
2207         }
2208
2209         return NL_SKIP;
2210 }
2211
2212
2213 int process_bss_event(struct nl_msg *msg, void *arg)
2214 {
2215         struct i802_bss *bss = arg;
2216         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2217         struct nlattr *tb[NL80211_ATTR_MAX + 1];
2218
2219         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2220                   genlmsg_attrlen(gnlh, 0), NULL);
2221
2222         wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
2223                    gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
2224                    bss->ifname);
2225
2226         switch (gnlh->cmd) {
2227         case NL80211_CMD_FRAME:
2228         case NL80211_CMD_FRAME_TX_STATUS:
2229                 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
2230                            tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2231                            tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2232                            tb[NL80211_ATTR_COOKIE],
2233                            tb[NL80211_ATTR_RX_SIGNAL_DBM],
2234                            tb[NL80211_ATTR_STA_WME]);
2235                 break;
2236         case NL80211_CMD_UNEXPECTED_FRAME:
2237                 nl80211_spurious_frame(bss, tb, 0);
2238                 break;
2239         case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
2240                 nl80211_spurious_frame(bss, tb, 1);
2241                 break;
2242         default:
2243                 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
2244                            "(cmd=%d)", gnlh->cmd);
2245                 break;
2246         }
2247
2248         return NL_SKIP;
2249 }