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                                struct nlattr *subnet_status)
 273 {
 274         union wpa_event_data event;
 275         const u8 *ssid;
 276         u16 status_code;
 277
 278         if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
 279                 /*
 280                  * Avoid reporting two association events that would confuse
 281                  * the core code.
 282                  */
 283                 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
 284                            "when using userspace SME", cmd);
 285                 return;
 286         }
 287
 288         status_code = status ? nla_get_u16(status) : WLAN_STATUS_SUCCESS;
 289
 290         if (cmd == NL80211_CMD_CONNECT) {
 291                 wpa_printf(MSG_DEBUG,
 292                            "nl80211: Connect event (status=%u ignore_next_local_disconnect=%d)",
 293                            status_code, drv->ignore_next_local_disconnect);
 294         } else if (cmd == NL80211_CMD_ROAM) {
 295                 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
 296         }
 297
 298         os_memset(&event, 0, sizeof(event));
 299         if (cmd == NL80211_CMD_CONNECT && status_code != WLAN_STATUS_SUCCESS) {
 300                 if (addr)
 301                         event.assoc_reject.bssid = nla_data(addr);
 302                 if (drv->ignore_next_local_disconnect) {
 303                         drv->ignore_next_local_disconnect = 0;
 304                         if (!event.assoc_reject.bssid ||
 305                             (os_memcmp(event.assoc_reject.bssid,
 306                                        drv->auth_attempt_bssid,
 307                                        ETH_ALEN) != 0)) {
 308                                 /*
 309                                  * Ignore the event that came without a BSSID or
 310                                  * for the old connection since this is likely
 311                                  * not relevant to the new Connect command.
 312                                  */
 313                                 wpa_printf(MSG_DEBUG,
 314                                            "nl80211: Ignore connection failure event triggered during reassociation");
 315                                 return;
 316                         }
 317                 }
 318                 if (resp_ie) {
 319                         event.assoc_reject.resp_ies = nla_data(resp_ie);
 320                         event.assoc_reject.resp_ies_len = nla_len(resp_ie);
 321                 }
 322                 event.assoc_reject.status_code = status_code;
 323                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
 324                 return;
 325         }
 326
 327         drv->associated = 1;
 328         if (addr) {
 329                 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
 330                 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
 331         }
 332
 333         if (req_ie) {
 334                 event.assoc_info.req_ies = nla_data(req_ie);
 335                 event.assoc_info.req_ies_len = nla_len(req_ie);
 336
 337                 if (cmd == NL80211_CMD_ROAM) {
 338                         ssid = nl80211_get_ie(event.assoc_info.req_ies,
 339                                               event.assoc_info.req_ies_len,
 340                                               WLAN_EID_SSID);
 341                         if (ssid && ssid[1] > 0 && ssid[1] <= 32) {
 342                                 drv->ssid_len = ssid[1];
 343                                 os_memcpy(drv->ssid, ssid + 2, ssid[1]);
 344                         }
 345                 }
 346         }
 347         if (resp_ie) {
 348                 event.assoc_info.resp_ies = nla_data(resp_ie);
 349                 event.assoc_info.resp_ies_len = nla_len(resp_ie);
 350         }
 351
 352         event.assoc_info.freq = nl80211_get_assoc_freq(drv);
 353
 354         if (authorized && nla_get_u8(authorized)) {
 355                 event.assoc_info.authorized = 1;
 356                 wpa_printf(MSG_DEBUG, "nl80211: connection authorized");
 357         }
 358         if (key_replay_ctr) {
 359                 event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr);
 360                 event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr);
 361         }
 362         if (ptk_kck) {
 363                 event.assoc_info.ptk_kck = nla_data(ptk_kck);
 364                 event.assoc_info.ptk_kck_len = nla_len(ptk_kck);
 365         }
 366         if (ptk_kek) {
 367                 event.assoc_info.ptk_kek = nla_data(ptk_kek);
 368                 event.assoc_info.ptk_kek_len = nla_len(ptk_kek);
 369         }
 370
 371         if (subnet_status) {
 372                 /*
 373                  * At least for now, this is only available from
 374                  * QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS and that
 375                  * attribute has the same values 0, 1, 2 as are used in the
 376                  * variable here, so no mapping between different values are
 377                  * needed.
 378                  */
 379                 event.assoc_info.subnet_status = nla_get_u8(subnet_status);
 380         }
 381
 382         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
 383 }
 384
 385
 386 static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
 387                                   struct nlattr *reason, struct nlattr *addr,
 388                                   struct nlattr *by_ap)
 389 {
 390         union wpa_event_data data;
 391         unsigned int locally_generated = by_ap == NULL;
 392
 393         if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
 394                 /*
 395                  * Avoid reporting two disassociation events that could
 396                  * confuse the core code.
 397                  */
 398                 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
 399                            "event when using userspace SME");
 400                 return;
 401         }
 402
 403         if (drv->ignore_next_local_disconnect) {
 404                 drv->ignore_next_local_disconnect = 0;
 405                 if (locally_generated) {
 406                         wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
 407                                    "event triggered during reassociation");
 408                         return;
 409                 }
 410                 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
 411                            "disconnect but got another disconnect "
 412                            "event first");
 413         }
 414
 415         wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
 416         nl80211_mark_disconnected(drv);
 417         os_memset(&data, 0, sizeof(data));
 418         if (reason)
 419                 data.deauth_info.reason_code = nla_get_u16(reason);
 420         data.deauth_info.locally_generated = by_ap == NULL;
 421         wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
 422 }
 423
 424
 425 static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
 426 {
 427         int freq1 = 0;
 428
 429         switch (convert2width(width)) {
 430         case CHAN_WIDTH_20_NOHT:
 431         case CHAN_WIDTH_20:
 432                 return 0;
 433         case CHAN_WIDTH_40:
 434                 freq1 = cf1 - 10;
 435                 break;
 436         case CHAN_WIDTH_80:
 437                 freq1 = cf1 - 30;
 438                 break;
 439         case CHAN_WIDTH_160:
 440                 freq1 = cf1 - 70;
 441                 break;
 442         case CHAN_WIDTH_UNKNOWN:
 443         case CHAN_WIDTH_80P80:
 444                 /* FIXME: implement this */
 445                 return 0;
 446         }
 447
 448         return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
 449 }
 450
 451
 452 static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
 453                                  struct nlattr *ifindex, struct nlattr *freq,
 454                                  struct nlattr *type, struct nlattr *bw,
 455                                  struct nlattr *cf1, struct nlattr *cf2)
 456 {
 457         struct i802_bss *bss;
 458         union wpa_event_data data;
 459         int ht_enabled = 1;
 460         int chan_offset = 0;
 461         int ifidx;
 462
 463         wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
 464
 465         if (!freq)
 466                 return;
 467
 468         ifidx = nla_get_u32(ifindex);
 469         bss = get_bss_ifindex(drv, ifidx);
 470         if (bss == NULL) {
 471                 wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
 472                            ifidx);
 473                 return;
 474         }
 475
 476         if (type) {
 477                 enum nl80211_channel_type ch_type = nla_get_u32(type);
 478
 479                 wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type);
 480                 switch (ch_type) {
 481                 case NL80211_CHAN_NO_HT:
 482                         ht_enabled = 0;
 483                         break;
 484                 case NL80211_CHAN_HT20:
 485                         break;
 486                 case NL80211_CHAN_HT40PLUS:
 487                         chan_offset = 1;
 488                         break;
 489                 case NL80211_CHAN_HT40MINUS:
 490                         chan_offset = -1;
 491                         break;
 492                 }
 493         } else if (bw && cf1) {
 494                 /* This can happen for example with VHT80 ch switch */
 495                 chan_offset = calculate_chan_offset(nla_get_u32(bw),
 496                                                     nla_get_u32(freq),
 497                                                     nla_get_u32(cf1),
 498                                                     cf2 ? nla_get_u32(cf2) : 0);
 499         } else {
 500                 wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
 501         }
 502
 503         os_memset(&data, 0, sizeof(data));
 504         data.ch_switch.freq = nla_get_u32(freq);
 505         data.ch_switch.ht_enabled = ht_enabled;
 506         data.ch_switch.ch_offset = chan_offset;
 507         if (bw)
 508                 data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
 509         if (cf1)
 510                 data.ch_switch.cf1 = nla_get_u32(cf1);
 511         if (cf2)
 512                 data.ch_switch.cf2 = nla_get_u32(cf2);
 513
 514         bss->freq = data.ch_switch.freq;
 515
 516         wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
 517 }
 518
 519
 520 static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
 521                                enum nl80211_commands cmd, struct nlattr *addr)
 522 {
 523         union wpa_event_data event;
 524         enum wpa_event_type ev;
 525
 526         if (nla_len(addr) != ETH_ALEN)
 527                 return;
 528
 529         wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
 530                    cmd, MAC2STR((u8 *) nla_data(addr)));
 531
 532         if (cmd == NL80211_CMD_AUTHENTICATE)
 533                 ev = EVENT_AUTH_TIMED_OUT;
 534         else if (cmd == NL80211_CMD_ASSOCIATE)
 535                 ev = EVENT_ASSOC_TIMED_OUT;
 536         else
 537                 return;
 538
 539         os_memset(&event, 0, sizeof(event));
 540         os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
 541         wpa_supplicant_event(drv->ctx, ev, &event);
 542 }
 543
 544
 545 static void mlme_event_mgmt(struct i802_bss *bss,
 546                             struct nlattr *freq, struct nlattr *sig,
 547                             const u8 *frame, size_t len)
 548 {
 549         struct wpa_driver_nl80211_data *drv = bss->drv;
 550         const struct ieee80211_mgmt *mgmt;
 551         union wpa_event_data event;
 552         u16 fc, stype;
 553         int ssi_signal = 0;
 554         int rx_freq = 0;
 555
 556         wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
 557         mgmt = (const struct ieee80211_mgmt *) frame;
 558         if (len < 24) {
 559                 wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
 560                 return;
 561         }
 562
 563         fc = le_to_host16(mgmt->frame_control);
 564         stype = WLAN_FC_GET_STYPE(fc);
 565
 566         if (sig)
 567                 ssi_signal = (s32) nla_get_u32(sig);
 568
 569         os_memset(&event, 0, sizeof(event));
 570         if (freq) {
 571                 event.rx_mgmt.freq = nla_get_u32(freq);
 572                 rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
 573         }
 574         wpa_printf(MSG_DEBUG,
 575                    "nl80211: RX frame sa=" MACSTR
 576                    " freq=%d ssi_signal=%d fc=0x%x seq_ctrl=0x%x stype=%u (%s) len=%u",
 577                    MAC2STR(mgmt->sa), rx_freq, ssi_signal, fc,
 578                    le_to_host16(mgmt->seq_ctrl), stype, fc2str(fc),
 579                    (unsigned int) len);
 580         event.rx_mgmt.frame = frame;
 581         event.rx_mgmt.frame_len = len;
 582         event.rx_mgmt.ssi_signal = ssi_signal;
 583         event.rx_mgmt.drv_priv = bss;
 584         wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
 585 }
 586
 587
 588 static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
 589                                       struct nlattr *cookie, const u8 *frame,
 590                                       size_t len, struct nlattr *ack)
 591 {
 592         union wpa_event_data event;
 593         const struct ieee80211_hdr *hdr;
 594         u16 fc;
 595
 596         wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
 597         if (!is_ap_interface(drv->nlmode)) {
 598                 u64 cookie_val;
 599
 600                 if (!cookie)
 601                         return;
 602
 603                 cookie_val = nla_get_u64(cookie);
 604                 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
 605                            " cookie=0%llx%s (ack=%d)",
 606                            (long long unsigned int) cookie_val,
 607                            cookie_val == drv->send_action_cookie ?
 608                            " (match)" : " (unknown)", ack != NULL);
 609                 if (cookie_val != drv->send_action_cookie)
 610                         return;
 611         }
 612
 613         hdr = (const struct ieee80211_hdr *) frame;
 614         fc = le_to_host16(hdr->frame_control);
 615
 616         os_memset(&event, 0, sizeof(event));
 617         event.tx_status.type = WLAN_FC_GET_TYPE(fc);
 618         event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
 619         event.tx_status.dst = hdr->addr1;
 620         event.tx_status.data = frame;
 621         event.tx_status.data_len = len;
 622         event.tx_status.ack = ack != NULL;
 623         wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
 624 }
 625
 626
 627 static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
 628                                        enum wpa_event_type type,
 629                                        const u8 *frame, size_t len)
 630 {
 631         const struct ieee80211_mgmt *mgmt;
 632         union wpa_event_data event;
 633         const u8 *bssid = NULL;
 634         u16 reason_code = 0;
 635
 636         if (type == EVENT_DEAUTH)
 637                 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
 638         else
 639                 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
 640
 641         mgmt = (const struct ieee80211_mgmt *) frame;
 642         if (len >= 24) {
 643                 bssid = mgmt->bssid;
 644
 645                 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
 646                     !drv->associated &&
 647                     os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
 648                     os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
 649                     os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
 650                         /*
 651                          * Avoid issues with some roaming cases where
 652                          * disconnection event for the old AP may show up after
 653                          * we have started connection with the new AP.
 654                          */
 655                         wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
 656                                    MAC2STR(bssid),
 657                                    MAC2STR(drv->auth_attempt_bssid));
 658                         return;
 659                 }
 660
 661                 if (drv->associated != 0 &&
 662                     os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
 663                     os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
 664                         /*
 665                          * We have presumably received this deauth as a
 666                          * response to a clear_state_mismatch() outgoing
 667                          * deauth.  Don't let it take us offline!
 668                          */
 669                         wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
 670                                    "from Unknown BSSID " MACSTR " -- ignoring",
 671                                    MAC2STR(bssid));
 672                         return;
 673                 }
 674         }
 675
 676         nl80211_mark_disconnected(drv);
 677         os_memset(&event, 0, sizeof(event));
 678
 679         /* Note: Same offset for Reason Code in both frame subtypes */
 680         if (len >= 24 + sizeof(mgmt->u.deauth))
 681                 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
 682
 683         if (type == EVENT_DISASSOC) {
 684                 event.disassoc_info.locally_generated =
 685                         !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
 686                 event.disassoc_info.addr = bssid;
 687                 event.disassoc_info.reason_code = reason_code;
 688                 if (frame + len > mgmt->u.disassoc.variable) {
 689                         event.disassoc_info.ie = mgmt->u.disassoc.variable;
 690                         event.disassoc_info.ie_len = frame + len -
 691                                 mgmt->u.disassoc.variable;
 692                 }
 693         } else {
 694                 event.deauth_info.locally_generated =
 695                         !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
 696                 if (drv->ignore_deauth_event) {
 697                         wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
 698                         drv->ignore_deauth_event = 0;
 699                         if (event.deauth_info.locally_generated)
 700                                 drv->ignore_next_local_deauth = 0;
 701                         return;
 702                 }
 703                 if (drv->ignore_next_local_deauth) {
 704                         drv->ignore_next_local_deauth = 0;
 705                         if (event.deauth_info.locally_generated) {
 706                                 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
 707                                 return;
 708                         }
 709                         wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
 710                 }
 711                 event.deauth_info.addr = bssid;
 712                 event.deauth_info.reason_code = reason_code;
 713                 if (frame + len > mgmt->u.deauth.variable) {
 714                         event.deauth_info.ie = mgmt->u.deauth.variable;
 715                         event.deauth_info.ie_len = frame + len -
 716                                 mgmt->u.deauth.variable;
 717                 }
 718         }
 719
 720         wpa_supplicant_event(drv->ctx, type, &event);
 721 }
 722
 723
 724 static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
 725                                          enum wpa_event_type type,
 726                                          const u8 *frame, size_t len)
 727 {
 728         const struct ieee80211_mgmt *mgmt;
 729         union wpa_event_data event;
 730         u16 reason_code = 0;
 731
 732         if (type == EVENT_UNPROT_DEAUTH)
 733                 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
 734         else
 735                 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
 736
 737         if (len < 24)
 738                 return;
 739
 740         mgmt = (const struct ieee80211_mgmt *) frame;
 741
 742         os_memset(&event, 0, sizeof(event));
 743         /* Note: Same offset for Reason Code in both frame subtypes */
 744         if (len >= 24 + sizeof(mgmt->u.deauth))
 745                 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
 746
 747         if (type == EVENT_UNPROT_DISASSOC) {
 748                 event.unprot_disassoc.sa = mgmt->sa;
 749                 event.unprot_disassoc.da = mgmt->da;
 750                 event.unprot_disassoc.reason_code = reason_code;
 751         } else {
 752                 event.unprot_deauth.sa = mgmt->sa;
 753                 event.unprot_deauth.da = mgmt->da;
 754                 event.unprot_deauth.reason_code = reason_code;
 755         }
 756
 757         wpa_supplicant_event(drv->ctx, type, &event);
 758 }
 759
 760
 761 static void mlme_event(struct i802_bss *bss,
 762                        enum nl80211_commands cmd, struct nlattr *frame,
 763                        struct nlattr *addr, struct nlattr *timed_out,
 764                        struct nlattr *freq, struct nlattr *ack,
 765                        struct nlattr *cookie, struct nlattr *sig,
 766                        struct nlattr *wmm)
 767 {
 768         struct wpa_driver_nl80211_data *drv = bss->drv;
 769         const u8 *data;
 770         size_t len;
 771
 772         if (timed_out && addr) {
 773                 mlme_timeout_event(drv, cmd, addr);
 774                 return;
 775         }
 776
 777         if (frame == NULL) {
 778                 wpa_printf(MSG_DEBUG,
 779                            "nl80211: MLME event %d (%s) without frame data",
 780                            cmd, nl80211_command_to_string(cmd));
 781                 return;
 782         }
 783
 784         data = nla_data(frame);
 785         len = nla_len(frame);
 786         if (len < 4 + 2 * ETH_ALEN) {
 787                 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
 788                            MACSTR ") - too short",
 789                            cmd, nl80211_command_to_string(cmd), bss->ifname,
 790                            MAC2STR(bss->addr));
 791                 return;
 792         }
 793         wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
 794                    ") A1=" MACSTR " A2=" MACSTR, cmd,
 795                    nl80211_command_to_string(cmd), bss->ifname,
 796                    MAC2STR(bss->addr), MAC2STR(data + 4),
 797                    MAC2STR(data + 4 + ETH_ALEN));
 798         if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
 799             os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
 800             os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
 801                 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
 802                            "for foreign address", bss->ifname);
 803                 return;
 804         }
 805         wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
 806                     nla_data(frame), nla_len(frame));
 807
 808         switch (cmd) {
 809         case NL80211_CMD_AUTHENTICATE:
 810                 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
 811                 break;
 812         case NL80211_CMD_ASSOCIATE:
 813                 mlme_event_assoc(drv, nla_data(frame), nla_len(frame), wmm);
 814                 break;
 815         case NL80211_CMD_DEAUTHENTICATE:
 816                 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
 817                                            nla_data(frame), nla_len(frame));
 818                 break;
 819         case NL80211_CMD_DISASSOCIATE:
 820                 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
 821                                            nla_data(frame), nla_len(frame));
 822                 break;
 823         case NL80211_CMD_FRAME:
 824                 mlme_event_mgmt(bss, freq, sig, nla_data(frame),
 825                                 nla_len(frame));
 826                 break;
 827         case NL80211_CMD_FRAME_TX_STATUS:
 828                 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
 829                                           nla_len(frame), ack);
 830                 break;
 831         case NL80211_CMD_UNPROT_DEAUTHENTICATE:
 832                 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
 833                                              nla_data(frame), nla_len(frame));
 834                 break;
 835         case NL80211_CMD_UNPROT_DISASSOCIATE:
 836                 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
 837                                              nla_data(frame), nla_len(frame));
 838                 break;
 839         default:
 840                 break;
 841         }
 842 }
 843
 844
 845 static void mlme_event_michael_mic_failure(struct i802_bss *bss,
 846                                            struct nlattr *tb[])
 847 {
 848         union wpa_event_data data;
 849
 850         wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
 851         os_memset(&data, 0, sizeof(data));
 852         if (tb[NL80211_ATTR_MAC]) {
 853                 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
 854                             nla_data(tb[NL80211_ATTR_MAC]),
 855                             nla_len(tb[NL80211_ATTR_MAC]));
 856                 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
 857         }
 858         if (tb[NL80211_ATTR_KEY_SEQ]) {
 859                 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
 860                             nla_data(tb[NL80211_ATTR_KEY_SEQ]),
 861                             nla_len(tb[NL80211_ATTR_KEY_SEQ]));
 862         }
 863         if (tb[NL80211_ATTR_KEY_TYPE]) {
 864                 enum nl80211_key_type key_type =
 865                         nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
 866                 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
 867                 if (key_type == NL80211_KEYTYPE_PAIRWISE)
 868                         data.michael_mic_failure.unicast = 1;
 869         } else
 870                 data.michael_mic_failure.unicast = 1;
 871
 872         if (tb[NL80211_ATTR_KEY_IDX]) {
 873                 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
 874                 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
 875         }
 876
 877         wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
 878 }
 879
 880
 881 static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
 882                                  struct nlattr *tb[])
 883 {
 884         unsigned int freq;
 885
 886         if (tb[NL80211_ATTR_MAC] == NULL) {
 887                 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
 888                            "event");
 889                 return;
 890         }
 891         os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
 892
 893         drv->associated = 1;
 894         wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
 895                    MAC2STR(drv->bssid));
 896
 897         freq = nl80211_get_assoc_freq(drv);
 898         if (freq) {
 899                 wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz",
 900                            freq);
 901                 drv->first_bss->freq = freq;
 902         }
 903
 904         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
 905 }
 906
 907
 908 static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
 909                                          int cancel_event, struct nlattr *tb[])
 910 {
 911         unsigned int freq, chan_type, duration;
 912         union wpa_event_data data;
 913         u64 cookie;
 914
 915         if (tb[NL80211_ATTR_WIPHY_FREQ])
 916                 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
 917         else
 918                 freq = 0;
 919
 920         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
 921                 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
 922         else
 923                 chan_type = 0;
 924
 925         if (tb[NL80211_ATTR_DURATION])
 926                 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
 927         else
 928                 duration = 0;
 929
 930         if (tb[NL80211_ATTR_COOKIE])
 931                 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
 932         else
 933                 cookie = 0;
 934
 935         wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
 936                    "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
 937                    cancel_event, freq, chan_type, duration,
 938                    (long long unsigned int) cookie,
 939                    cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
 940
 941         if (cookie != drv->remain_on_chan_cookie)
 942                 return; /* not for us */
 943
 944         if (cancel_event)
 945                 drv->pending_remain_on_chan = 0;
 946
 947         os_memset(&data, 0, sizeof(data));
 948         data.remain_on_channel.freq = freq;
 949         data.remain_on_channel.duration = duration;
 950         wpa_supplicant_event(drv->ctx, cancel_event ?
 951                              EVENT_CANCEL_REMAIN_ON_CHANNEL :
 952                              EVENT_REMAIN_ON_CHANNEL, &data);
 953 }
 954
 955
 956 static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
 957                                 struct nlattr *tb[])
 958 {
 959         union wpa_event_data data;
 960
 961         os_memset(&data, 0, sizeof(data));
 962
 963         if (tb[NL80211_ATTR_IE]) {
 964                 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
 965                 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
 966         }
 967
 968         if (tb[NL80211_ATTR_IE_RIC]) {
 969                 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
 970                 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
 971         }
 972
 973         if (tb[NL80211_ATTR_MAC])
 974                 os_memcpy(data.ft_ies.target_ap,
 975                           nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
 976
 977         wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
 978                    MAC2STR(data.ft_ies.target_ap));
 979
 980         wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
 981 }
 982
 983
 984 static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
 985                             struct nlattr *tb[], int external_scan)
 986 {
 987         union wpa_event_data event;
 988         struct nlattr *nl;
 989         int rem;
 990         struct scan_info *info;
 991 #define MAX_REPORT_FREQS 50
 992         int freqs[MAX_REPORT_FREQS];
 993         int num_freqs = 0;
 994
 995         if (!external_scan && drv->scan_for_auth) {
 996                 drv->scan_for_auth = 0;
 997                 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
 998                            "cfg80211 BSS entry");
 999                 wpa_driver_nl80211_authenticate_retry(drv);
1000                 return;
1001         }
1002
1003         os_memset(&event, 0, sizeof(event));
1004         info = &event.scan_info;
1005         info->aborted = aborted;
1006         info->external_scan = external_scan;
1007         info->nl_scan_event = 1;
1008
1009         if (tb[NL80211_ATTR_SCAN_SSIDS]) {
1010                 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
1011                         struct wpa_driver_scan_ssid *s =
1012                                 &info->ssids[info->num_ssids];
1013                         s->ssid = nla_data(nl);
1014                         s->ssid_len = nla_len(nl);
1015                         wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
1016                                    wpa_ssid_txt(s->ssid, s->ssid_len));
1017                         info->num_ssids++;
1018                         if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1019                                 break;
1020                 }
1021         }
1022         if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1023                 char msg[300], *pos, *end;
1024                 int res;
1025
1026                 pos = msg;
1027                 end = pos + sizeof(msg);
1028                 *pos = '\0';
1029
1030                 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1031                 {
1032                         freqs[num_freqs] = nla_get_u32(nl);
1033                         res = os_snprintf(pos, end - pos, " %d",
1034                                           freqs[num_freqs]);
1035                         if (!os_snprintf_error(end - pos, res))
1036                                 pos += res;
1037                         num_freqs++;
1038                         if (num_freqs == MAX_REPORT_FREQS - 1)
1039                                 break;
1040                 }
1041                 info->freqs = freqs;
1042                 info->num_freqs = num_freqs;
1043                 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1044                            msg);
1045         }
1046         wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1047 }
1048
1049
1050 static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
1051                               struct nlattr *tb[])
1052 {
1053         static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
1054                 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
1055                 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
1056                 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
1057                 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
1058         };
1059         struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
1060         enum nl80211_cqm_rssi_threshold_event event;
1061         union wpa_event_data ed;
1062         struct wpa_signal_info sig;
1063         int res;
1064
1065         if (tb[NL80211_ATTR_CQM] == NULL ||
1066             nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
1067                              cqm_policy)) {
1068                 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
1069                 return;
1070         }
1071
1072         os_memset(&ed, 0, sizeof(ed));
1073
1074         if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
1075                 if (!tb[NL80211_ATTR_MAC])
1076                         return;
1077                 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
1078                           ETH_ALEN);
1079                 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
1080                 return;
1081         }
1082
1083         if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
1084                 return;
1085         event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
1086
1087         if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
1088                 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1089                            "event: RSSI high");
1090                 ed.signal_change.above_threshold = 1;
1091         } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
1092                 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1093                            "event: RSSI low");
1094                 ed.signal_change.above_threshold = 0;
1095         } else
1096                 return;
1097
1098         res = nl80211_get_link_signal(drv, &sig);
1099         if (res == 0) {
1100                 ed.signal_change.current_signal = sig.current_signal;
1101                 ed.signal_change.current_txrate = sig.current_txrate;
1102                 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm  txrate: %d",
1103                            sig.current_signal, sig.current_txrate);
1104         }
1105
1106         res = nl80211_get_link_noise(drv, &sig);
1107         if (res == 0) {
1108                 ed.signal_change.current_noise = sig.current_noise;
1109                 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
1110                            sig.current_noise);
1111         }
1112
1113         wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
1114 }
1115
1116
1117 static void nl80211_new_peer_candidate(struct wpa_driver_nl80211_data *drv,
1118                                        struct nlattr **tb)
1119 {
1120         const u8 *addr;
1121         union wpa_event_data data;
1122
1123         if (drv->nlmode != NL80211_IFTYPE_MESH_POINT ||
1124             !tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE])
1125                 return;
1126
1127         addr = nla_data(tb[NL80211_ATTR_MAC]);
1128         wpa_printf(MSG_DEBUG, "nl80211: New peer candidate" MACSTR,
1129                    MAC2STR(addr));
1130
1131         os_memset(&data, 0, sizeof(data));
1132         data.mesh_peer.peer = addr;
1133         data.mesh_peer.ies = nla_data(tb[NL80211_ATTR_IE]);
1134         data.mesh_peer.ie_len = nla_len(tb[NL80211_ATTR_IE]);
1135         wpa_supplicant_event(drv->ctx, EVENT_NEW_PEER_CANDIDATE, &data);
1136 }
1137
1138
1139 static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
1140                                       struct i802_bss *bss,
1141                                       struct nlattr **tb)
1142 {
1143         u8 *addr;
1144         union wpa_event_data data;
1145
1146         if (tb[NL80211_ATTR_MAC] == NULL)
1147                 return;
1148         addr = nla_data(tb[NL80211_ATTR_MAC]);
1149         wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
1150
1151         if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1152                 u8 *ies = NULL;
1153                 size_t ies_len = 0;
1154                 if (tb[NL80211_ATTR_IE]) {
1155                         ies = nla_data(tb[NL80211_ATTR_IE]);
1156                         ies_len = nla_len(tb[NL80211_ATTR_IE]);
1157                 }
1158                 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
1159                 drv_event_assoc(bss->ctx, addr, ies, ies_len, 0);
1160                 return;
1161         }
1162
1163         if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1164                 return;
1165
1166         os_memset(&data, 0, sizeof(data));
1167         os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
1168         wpa_supplicant_event(bss->ctx, EVENT_IBSS_RSN_START, &data);
1169 }
1170
1171
1172 static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
1173                                       struct nlattr **tb)
1174 {
1175         u8 *addr;
1176         union wpa_event_data data;
1177
1178         if (tb[NL80211_ATTR_MAC] == NULL)
1179                 return;
1180         addr = nla_data(tb[NL80211_ATTR_MAC]);
1181         wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
1182                    MAC2STR(addr));
1183
1184         if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1185                 drv_event_disassoc(drv->ctx, addr);
1186                 return;
1187         }
1188
1189         if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1190                 return;
1191
1192         os_memset(&data, 0, sizeof(data));
1193         os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
1194         wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
1195 }
1196
1197
1198 static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
1199                                         struct nlattr **tb)
1200 {
1201         struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
1202         static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
1203                 [NL80211_REKEY_DATA_KEK] = {
1204                         .minlen = NL80211_KEK_LEN,
1205                         .maxlen = NL80211_KEK_LEN,
1206                 },
1207                 [NL80211_REKEY_DATA_KCK] = {
1208                         .minlen = NL80211_KCK_LEN,
1209                         .maxlen = NL80211_KCK_LEN,
1210                 },
1211                 [NL80211_REKEY_DATA_REPLAY_CTR] = {
1212                         .minlen = NL80211_REPLAY_CTR_LEN,
1213                         .maxlen = NL80211_REPLAY_CTR_LEN,
1214                 },
1215         };
1216         union wpa_event_data data;
1217
1218         if (!tb[NL80211_ATTR_MAC] ||
1219             !tb[NL80211_ATTR_REKEY_DATA] ||
1220             nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
1221                              tb[NL80211_ATTR_REKEY_DATA], rekey_policy) ||
1222             !rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
1223                 return;
1224
1225         os_memset(&data, 0, sizeof(data));
1226         data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
1227         wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
1228                    MAC2STR(data.driver_gtk_rekey.bssid));
1229         data.driver_gtk_rekey.replay_ctr =
1230                 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
1231         wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
1232                     data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
1233         wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
1234 }
1235
1236
1237 static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
1238                                           struct nlattr **tb)
1239 {
1240         struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
1241         static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
1242                 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
1243                 [NL80211_PMKSA_CANDIDATE_BSSID] = {
1244                         .minlen = ETH_ALEN,
1245                         .maxlen = ETH_ALEN,
1246                 },
1247                 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
1248         };
1249         union wpa_event_data data;
1250
1251         wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
1252
1253         if (!tb[NL80211_ATTR_PMKSA_CANDIDATE] ||
1254             nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
1255                              tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy) ||
1256             !cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
1257             !cand[NL80211_PMKSA_CANDIDATE_BSSID])
1258                 return;
1259
1260         os_memset(&data, 0, sizeof(data));
1261         os_memcpy(data.pmkid_candidate.bssid,
1262                   nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
1263         data.pmkid_candidate.index =
1264                 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
1265         data.pmkid_candidate.preauth =
1266                 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
1267         wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
1268 }
1269
1270
1271 static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
1272                                        struct nlattr **tb)
1273 {
1274         union wpa_event_data data;
1275
1276         wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
1277
1278         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
1279                 return;
1280
1281         os_memset(&data, 0, sizeof(data));
1282         os_memcpy(data.client_poll.addr,
1283                   nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1284
1285         wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
1286 }
1287
1288
1289 static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
1290                                     struct nlattr **tb)
1291 {
1292         union wpa_event_data data;
1293
1294         wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
1295
1296         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
1297                 return;
1298
1299         os_memset(&data, 0, sizeof(data));
1300         os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1301         switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
1302         case NL80211_TDLS_SETUP:
1303                 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
1304                            MACSTR, MAC2STR(data.tdls.peer));
1305                 data.tdls.oper = TDLS_REQUEST_SETUP;
1306                 break;
1307         case NL80211_TDLS_TEARDOWN:
1308                 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
1309                            MACSTR, MAC2STR(data.tdls.peer));
1310                 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
1311                 break;
1312         case NL80211_TDLS_DISCOVERY_REQ:
1313                 wpa_printf(MSG_DEBUG,
1314                            "nl80211: TDLS discovery request for peer " MACSTR,
1315                            MAC2STR(data.tdls.peer));
1316                 data.tdls.oper = TDLS_REQUEST_DISCOVER;
1317                 break;
1318         default:
1319                 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
1320                            "event");
1321                 return;
1322         }
1323         if (tb[NL80211_ATTR_REASON_CODE]) {
1324                 data.tdls.reason_code =
1325                         nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
1326         }
1327
1328         wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
1329 }
1330
1331
1332 static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
1333                             struct nlattr **tb)
1334 {
1335         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
1336 }
1337
1338
1339 static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
1340                                          struct nlattr **tb)
1341 {
1342         union wpa_event_data data;
1343         u32 reason;
1344
1345         wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
1346
1347         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
1348                 return;
1349
1350         os_memset(&data, 0, sizeof(data));
1351         os_memcpy(data.connect_failed_reason.addr,
1352                   nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1353
1354         reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
1355         switch (reason) {
1356         case NL80211_CONN_FAIL_MAX_CLIENTS:
1357                 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
1358                 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
1359                 break;
1360         case NL80211_CONN_FAIL_BLOCKED_CLIENT:
1361                 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
1362                            " tried to connect",
1363                            MAC2STR(data.connect_failed_reason.addr));
1364                 data.connect_failed_reason.code = BLOCKED_CLIENT;
1365                 break;
1366         default:
1367                 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
1368                            "%u", reason);
1369                 return;
1370         }
1371
1372         wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
1373 }
1374
1375
1376 static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
1377                                 struct nlattr **tb)
1378 {
1379         union wpa_event_data data;
1380         enum nl80211_radar_event event_type;
1381
1382         if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
1383                 return;
1384
1385         os_memset(&data, 0, sizeof(data));
1386         data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1387         event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
1388
1389         /* Check HT params */
1390         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1391                 data.dfs_event.ht_enabled = 1;
1392                 data.dfs_event.chan_offset = 0;
1393
1394                 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1395                 case NL80211_CHAN_NO_HT:
1396                         data.dfs_event.ht_enabled = 0;
1397                         break;
1398                 case NL80211_CHAN_HT20:
1399                         break;
1400                 case NL80211_CHAN_HT40PLUS:
1401                         data.dfs_event.chan_offset = 1;
1402                         break;
1403                 case NL80211_CHAN_HT40MINUS:
1404                         data.dfs_event.chan_offset = -1;
1405                         break;
1406                 }
1407         }
1408
1409         /* Get VHT params */
1410         if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1411                 data.dfs_event.chan_width =
1412                         convert2width(nla_get_u32(
1413                                               tb[NL80211_ATTR_CHANNEL_WIDTH]));
1414         if (tb[NL80211_ATTR_CENTER_FREQ1])
1415                 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1416         if (tb[NL80211_ATTR_CENTER_FREQ2])
1417                 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1418
1419         wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1420                    data.dfs_event.freq, data.dfs_event.ht_enabled,
1421                    data.dfs_event.chan_offset, data.dfs_event.chan_width,
1422                    data.dfs_event.cf1, data.dfs_event.cf2);
1423
1424         switch (event_type) {
1425         case NL80211_RADAR_DETECTED:
1426                 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1427                 break;
1428         case NL80211_RADAR_CAC_FINISHED:
1429                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1430                 break;
1431         case NL80211_RADAR_CAC_ABORTED:
1432                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1433                 break;
1434         case NL80211_RADAR_NOP_FINISHED:
1435                 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1436                 break;
1437         default:
1438                 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
1439                            "received", event_type);
1440                 break;
1441         }
1442 }
1443
1444
1445 static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
1446                                    int wds)
1447 {
1448         struct wpa_driver_nl80211_data *drv = bss->drv;
1449         union wpa_event_data event;
1450
1451         if (!tb[NL80211_ATTR_MAC])
1452                 return;
1453
1454         os_memset(&event, 0, sizeof(event));
1455         event.rx_from_unknown.bssid = bss->addr;
1456         event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
1457         event.rx_from_unknown.wds = wds;
1458
1459         wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
1460 }
1461
1462
1463 #ifdef CONFIG_DRIVER_NL80211_QCA
1464
1465 static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
1466                                    const u8 *data, size_t len)
1467 {
1468         u32 i, count;
1469         union wpa_event_data event;
1470         struct wpa_freq_range *range = NULL;
1471         const struct qca_avoid_freq_list *freq_range;
1472
1473         freq_range = (const struct qca_avoid_freq_list *) data;
1474         if (len < sizeof(freq_range->count))
1475                 return;
1476
1477         count = freq_range->count;
1478         if (len < sizeof(freq_range->count) +
1479             count * sizeof(struct qca_avoid_freq_range)) {
1480                 wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
1481                            (unsigned int) len);
1482                 return;
1483         }
1484
1485         if (count > 0) {
1486                 range = os_calloc(count, sizeof(struct wpa_freq_range));
1487                 if (range == NULL)
1488                         return;
1489         }
1490
1491         os_memset(&event, 0, sizeof(event));
1492         for (i = 0; i < count; i++) {
1493                 unsigned int idx = event.freq_range.num;
1494                 range[idx].min = freq_range->range[i].start_freq;
1495                 range[idx].max = freq_range->range[i].end_freq;
1496                 wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
1497                            range[idx].min, range[idx].max);
1498                 if (range[idx].min > range[idx].max) {
1499                         wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
1500                         continue;
1501                 }
1502                 event.freq_range.num++;
1503         }
1504         event.freq_range.range = range;
1505
1506         wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
1507
1508         os_free(range);
1509 }
1510
1511
1512 static enum hostapd_hw_mode get_qca_hw_mode(u8 hw_mode)
1513 {
1514         switch (hw_mode) {
1515         case QCA_ACS_MODE_IEEE80211B:
1516                 return HOSTAPD_MODE_IEEE80211B;
1517         case QCA_ACS_MODE_IEEE80211G:
1518                 return HOSTAPD_MODE_IEEE80211G;
1519         case QCA_ACS_MODE_IEEE80211A:
1520                 return HOSTAPD_MODE_IEEE80211A;
1521         case QCA_ACS_MODE_IEEE80211AD:
1522                 return HOSTAPD_MODE_IEEE80211AD;
1523         case QCA_ACS_MODE_IEEE80211ANY:
1524                 return HOSTAPD_MODE_IEEE80211ANY;
1525         default:
1526                 return NUM_HOSTAPD_MODES;
1527         }
1528 }
1529
1530
1531 static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
1532                                    const u8 *data, size_t len)
1533 {
1534         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1];
1535         union wpa_event_data event;
1536
1537         wpa_printf(MSG_DEBUG,
1538                    "nl80211: ACS channel selection vendor event received");
1539
1540         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ACS_MAX,
1541                       (struct nlattr *) data, len, NULL) ||
1542             !tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL] ||
1543             !tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL])
1544                 return;
1545
1546         os_memset(&event, 0, sizeof(event));
1547         event.acs_selected_channels.pri_channel =
1548                 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL]);
1549         event.acs_selected_channels.sec_channel =
1550                 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]);
1551         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
1552                 event.acs_selected_channels.vht_seg0_center_ch =
1553                         nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL]);
1554         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
1555                 event.acs_selected_channels.vht_seg1_center_ch =
1556                         nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG1_CENTER_CHANNEL]);
1557         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH])
1558                 event.acs_selected_channels.ch_width =
1559                         nla_get_u16(tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH]);
1560         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]) {
1561                 u8 hw_mode = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]);
1562
1563                 event.acs_selected_channels.hw_mode = get_qca_hw_mode(hw_mode);
1564                 if (event.acs_selected_channels.hw_mode == NUM_HOSTAPD_MODES ||
1565                     event.acs_selected_channels.hw_mode ==
1566                     HOSTAPD_MODE_IEEE80211ANY) {
1567                         wpa_printf(MSG_DEBUG,
1568                                    "nl80211: Invalid hw_mode %d in ACS selection event",
1569                                    hw_mode);
1570                         return;
1571                 }
1572         }
1573
1574         wpa_printf(MSG_INFO,
1575                    "nl80211: ACS Results: PCH: %d SCH: %d BW: %d VHT0: %d VHT1: %d HW_MODE: %d",
1576                    event.acs_selected_channels.pri_channel,
1577                    event.acs_selected_channels.sec_channel,
1578                    event.acs_selected_channels.ch_width,
1579                    event.acs_selected_channels.vht_seg0_center_ch,
1580                    event.acs_selected_channels.vht_seg1_center_ch,
1581                    event.acs_selected_channels.hw_mode);
1582
1583         /* Ignore ACS channel list check for backwards compatibility */
1584
1585         wpa_supplicant_event(drv->ctx, EVENT_ACS_CHANNEL_SELECTED, &event);
1586 }
1587
1588
1589 static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
1590                                       const u8 *data, size_t len)
1591 {
1592         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX + 1];
1593         u8 *bssid;
1594
1595         wpa_printf(MSG_DEBUG,
1596                    "nl80211: Key management roam+auth vendor event received");
1597
1598         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX,
1599                       (struct nlattr *) data, len, NULL) ||
1600             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID] ||
1601             nla_len(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]) != ETH_ALEN ||
1602             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE] ||
1603             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE] ||
1604             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED])
1605                 return;
1606
1607         bssid = nla_data(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]);
1608         wpa_printf(MSG_DEBUG, "  * roam BSSID " MACSTR, MAC2STR(bssid));
1609
1610         mlme_event_connect(drv, NL80211_CMD_ROAM, NULL,
1611                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID],
1612                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE],
1613                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE],
1614                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED],
1615                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR],
1616                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK],
1617                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK],
1618                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS]);
1619 }
1620
1621
1622 static void qca_nl80211_dfs_offload_radar_event(
1623         struct wpa_driver_nl80211_data *drv, u32 subcmd, u8 *msg, int length)
1624 {
1625         union wpa_event_data data;
1626         struct nlattr *tb[NL80211_ATTR_MAX + 1];
1627
1628         wpa_printf(MSG_DEBUG,
1629                    "nl80211: DFS offload radar vendor event received");
1630
1631         if (nla_parse(tb, NL80211_ATTR_MAX,
1632                       (struct nlattr *) msg, length, NULL))
1633                 return;
1634
1635         if (!tb[NL80211_ATTR_WIPHY_FREQ]) {
1636                 wpa_printf(MSG_INFO,
1637                            "nl80211: Error parsing WIPHY_FREQ in FS offload radar vendor event");
1638                 return;
1639         }
1640
1641         os_memset(&data, 0, sizeof(data));
1642         data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1643
1644         wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz",
1645                    data.dfs_event.freq);
1646
1647         /* Check HT params */
1648         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1649                 data.dfs_event.ht_enabled = 1;
1650                 data.dfs_event.chan_offset = 0;
1651
1652                 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1653                 case NL80211_CHAN_NO_HT:
1654                         data.dfs_event.ht_enabled = 0;
1655                         break;
1656                 case NL80211_CHAN_HT20:
1657                         break;
1658                 case NL80211_CHAN_HT40PLUS:
1659                         data.dfs_event.chan_offset = 1;
1660                         break;
1661                 case NL80211_CHAN_HT40MINUS:
1662                         data.dfs_event.chan_offset = -1;
1663                         break;
1664                 }
1665         }
1666
1667         /* Get VHT params */
1668         if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1669                 data.dfs_event.chan_width =
1670                         convert2width(nla_get_u32(
1671                                               tb[NL80211_ATTR_CHANNEL_WIDTH]));
1672         if (tb[NL80211_ATTR_CENTER_FREQ1])
1673                 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1674         if (tb[NL80211_ATTR_CENTER_FREQ2])
1675                 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1676
1677         wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, "
1678                     "offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1679                     data.dfs_event.freq, data.dfs_event.ht_enabled,
1680                     data.dfs_event.chan_offset, data.dfs_event.chan_width,
1681                     data.dfs_event.cf1, data.dfs_event.cf2);
1682
1683         switch (subcmd) {
1684         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
1685                 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1686                 break;
1687         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
1688                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
1689                 break;
1690         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
1691                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1692                 break;
1693         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
1694                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1695                 break;
1696         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
1697                 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1698                 break;
1699         default:
1700                 wpa_printf(MSG_DEBUG,
1701                            "nl80211: Unknown DFS offload radar event %d received",
1702                            subcmd);
1703                 break;
1704         }
1705 }
1706
1707
1708 static void qca_nl80211_scan_trigger_event(struct wpa_driver_nl80211_data *drv,
1709                                            u8 *data, size_t len)
1710 {
1711         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
1712         u64 cookie = 0;
1713         union wpa_event_data event;
1714         struct scan_info *info;
1715
1716         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
1717                       (struct nlattr *) data, len, NULL) ||
1718             !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
1719                 return;
1720
1721         cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
1722         if (cookie != drv->vendor_scan_cookie) {
1723                 /* External scan trigger event, ignore */
1724                 return;
1725         }
1726
1727         /* Cookie match, own scan */
1728         os_memset(&event, 0, sizeof(event));
1729         info = &event.scan_info;
1730         info->external_scan = 0;
1731         info->nl_scan_event = 0;
1732
1733         drv->scan_state = SCAN_STARTED;
1734         wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, &event);
1735 }
1736
1737
1738 static void send_vendor_scan_event(struct wpa_driver_nl80211_data *drv,
1739                                    int aborted, struct nlattr *tb[],
1740                                    int external_scan)
1741 {
1742         union wpa_event_data event;
1743         struct nlattr *nl;
1744         int rem;
1745         struct scan_info *info;
1746         int freqs[MAX_REPORT_FREQS];
1747         int num_freqs = 0;
1748
1749         os_memset(&event, 0, sizeof(event));
1750         info = &event.scan_info;
1751         info->aborted = aborted;
1752         info->external_scan = external_scan;
1753
1754         if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS]) {
1755                 nla_for_each_nested(nl,
1756                                     tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS], rem) {
1757                         struct wpa_driver_scan_ssid *s =
1758                                 &info->ssids[info->num_ssids];
1759                         s->ssid = nla_data(nl);
1760                         s->ssid_len = nla_len(nl);
1761                         wpa_printf(MSG_DEBUG,
1762                                    "nl80211: Scan probed for SSID '%s'",
1763                                    wpa_ssid_txt(s->ssid, s->ssid_len));
1764                         info->num_ssids++;
1765                         if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1766                                 break;
1767                 }
1768         }
1769
1770         if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES]) {
1771                 char msg[300], *pos, *end;
1772                 int res;
1773
1774                 pos = msg;
1775                 end = pos + sizeof(msg);
1776                 *pos = '\0';
1777
1778                 nla_for_each_nested(nl,
1779                                     tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES],
1780                                     rem) {
1781                         freqs[num_freqs] = nla_get_u32(nl);
1782                         res = os_snprintf(pos, end - pos, " %d",
1783                                           freqs[num_freqs]);
1784                         if (!os_snprintf_error(end - pos, res))
1785                                 pos += res;
1786                         num_freqs++;
1787                         if (num_freqs == MAX_REPORT_FREQS - 1)
1788                                 break;
1789                 }
1790
1791                 info->freqs = freqs;
1792                 info->num_freqs = num_freqs;
1793                 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1794                            msg);
1795         }
1796         wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1797 }
1798
1799
1800 static void qca_nl80211_scan_done_event(struct wpa_driver_nl80211_data *drv,
1801                                         u8 *data, size_t len)
1802 {
1803         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
1804         u64 cookie = 0;
1805         enum scan_status status;
1806         int external_scan;
1807
1808         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
1809                       (struct nlattr *) data, len, NULL) ||
1810             !tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS] ||
1811             !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
1812                 return;
1813
1814         status = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS]);
1815         if (status >= VENDOR_SCAN_STATUS_MAX)
1816                 return; /* invalid status */
1817
1818         cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
1819         if (cookie != drv->vendor_scan_cookie) {
1820                 /* Event from an external scan, get scan results */
1821                 external_scan = 1;
1822         } else {
1823                 external_scan = 0;
1824                 if (status == VENDOR_SCAN_STATUS_NEW_RESULTS)
1825                         drv->scan_state = SCAN_COMPLETED;
1826                 else
1827                         drv->scan_state = SCAN_ABORTED;
1828
1829                 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
1830                                      drv->ctx);
1831                 drv->vendor_scan_cookie = 0;
1832                 drv->last_scan_cmd = 0;
1833         }
1834
1835         send_vendor_scan_event(drv, (status == VENDOR_SCAN_STATUS_ABORTED), tb,
1836                                external_scan);
1837 }
1838
1839 #endif /* CONFIG_DRIVER_NL80211_QCA */
1840
1841
1842 static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
1843                                      u32 subcmd, u8 *data, size_t len)
1844 {
1845         switch (subcmd) {
1846         case QCA_NL80211_VENDOR_SUBCMD_TEST:
1847                 wpa_hexdump(MSG_DEBUG, "nl80211: QCA test event", data, len);
1848                 break;
1849 #ifdef CONFIG_DRIVER_NL80211_QCA
1850         case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
1851                 qca_nl80211_avoid_freq(drv, data, len);
1852                 break;
1853         case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH:
1854                 qca_nl80211_key_mgmt_auth(drv, data, len);
1855                 break;
1856         case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
1857                 qca_nl80211_acs_select_ch(drv, data, len);
1858                 break;
1859         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
1860         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
1861         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
1862         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
1863         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
1864                 qca_nl80211_dfs_offload_radar_event(drv, subcmd, data, len);
1865                 break;
1866         case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
1867                 qca_nl80211_scan_trigger_event(drv, data, len);
1868                 break;
1869         case QCA_NL80211_VENDOR_SUBCMD_SCAN_DONE:
1870                 qca_nl80211_scan_done_event(drv, data, len);
1871                 break;
1872 #endif /* CONFIG_DRIVER_NL80211_QCA */
1873         default:
1874                 wpa_printf(MSG_DEBUG,
1875                            "nl80211: Ignore unsupported QCA vendor event %u",
1876                            subcmd);
1877                 break;
1878         }
1879 }
1880
1881
1882 static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
1883                                  struct nlattr **tb)
1884 {
1885         u32 vendor_id, subcmd, wiphy = 0;
1886         int wiphy_idx;
1887         u8 *data = NULL;
1888         size_t len = 0;
1889
1890         if (!tb[NL80211_ATTR_VENDOR_ID] ||
1891             !tb[NL80211_ATTR_VENDOR_SUBCMD])
1892                 return;
1893
1894         vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
1895         subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
1896
1897         if (tb[NL80211_ATTR_WIPHY])
1898                 wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1899
1900         wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
1901                    wiphy, vendor_id, subcmd);
1902
1903         if (tb[NL80211_ATTR_VENDOR_DATA]) {
1904                 data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
1905                 len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
1906                 wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
1907         }
1908
1909         wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
1910         if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
1911                 wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
1912                            wiphy, wiphy_idx);
1913                 return;
1914         }
1915
1916         switch (vendor_id) {
1917         case OUI_QCA:
1918                 nl80211_vendor_event_qca(drv, subcmd, data, len);
1919                 break;
1920         default:
1921                 wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
1922                 break;
1923         }
1924 }
1925
1926
1927 static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv,
1928                                      struct nlattr *tb[])
1929 {
1930         union wpa_event_data data;
1931         enum nl80211_reg_initiator init;
1932
1933         wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
1934
1935         if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
1936                 return;
1937
1938         os_memset(&data, 0, sizeof(data));
1939         init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]);
1940         wpa_printf(MSG_DEBUG, " * initiator=%d", init);
1941         switch (init) {
1942         case NL80211_REGDOM_SET_BY_CORE:
1943                 data.channel_list_changed.initiator = REGDOM_SET_BY_CORE;
1944                 break;
1945         case NL80211_REGDOM_SET_BY_USER:
1946                 data.channel_list_changed.initiator = REGDOM_SET_BY_USER;
1947                 break;
1948         case NL80211_REGDOM_SET_BY_DRIVER:
1949                 data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER;
1950                 break;
1951         case NL80211_REGDOM_SET_BY_COUNTRY_IE:
1952                 data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE;
1953                 break;
1954         }
1955
1956         if (tb[NL80211_ATTR_REG_TYPE]) {
1957                 enum nl80211_reg_type type;
1958                 type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
1959                 wpa_printf(MSG_DEBUG, " * type=%d", type);
1960                 switch (type) {
1961                 case NL80211_REGDOM_TYPE_COUNTRY:
1962                         data.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
1963                         break;
1964                 case NL80211_REGDOM_TYPE_WORLD:
1965                         data.channel_list_changed.type = REGDOM_TYPE_WORLD;
1966                         break;
1967                 case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
1968                         data.channel_list_changed.type =
1969                                 REGDOM_TYPE_CUSTOM_WORLD;
1970                         break;
1971                 case NL80211_REGDOM_TYPE_INTERSECTION:
1972                         data.channel_list_changed.type =
1973                                 REGDOM_TYPE_INTERSECTION;
1974                         break;
1975                 }
1976         }
1977
1978         if (tb[NL80211_ATTR_REG_ALPHA2]) {
1979                 os_strlcpy(data.channel_list_changed.alpha2,
1980                            nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
1981                            sizeof(data.channel_list_changed.alpha2));
1982                 wpa_printf(MSG_DEBUG, " * alpha2=%s",
1983                            data.channel_list_changed.alpha2);
1984         }
1985
1986         wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
1987 }
1988
1989
1990 static void do_process_drv_event(struct i802_bss *bss, int cmd,
1991                                  struct nlattr **tb)
1992 {
1993         struct wpa_driver_nl80211_data *drv = bss->drv;
1994         union wpa_event_data data;
1995         int external_scan_event = 0;
1996
1997         wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
1998                    cmd, nl80211_command_to_string(cmd), bss->ifname);
1999
2000         if (cmd == NL80211_CMD_ROAM &&
2001             (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2002                 /*
2003                  * Device will use roam+auth vendor event to indicate
2004                  * roaming, so ignore the regular roam event.
2005                  */
2006                 wpa_printf(MSG_DEBUG,
2007                            "nl80211: Ignore roam event (cmd=%d), device will use vendor event roam+auth",
2008                            cmd);
2009                 return;
2010         }
2011
2012         if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
2013             (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2014              cmd == NL80211_CMD_SCAN_ABORTED)) {
2015                 wpa_driver_nl80211_set_mode(drv->first_bss,
2016                                             drv->ap_scan_as_station);
2017                 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
2018         }
2019
2020         switch (cmd) {
2021         case NL80211_CMD_TRIGGER_SCAN:
2022                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
2023                 drv->scan_state = SCAN_STARTED;
2024                 if (drv->scan_for_auth) {
2025                         /*
2026                          * Cannot indicate EVENT_SCAN_STARTED here since we skip
2027                          * EVENT_SCAN_RESULTS in scan_for_auth case and the
2028                          * upper layer implementation could get confused about
2029                          * scanning state.
2030                          */
2031                         wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth");
2032                         break;
2033                 }
2034                 wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
2035                 break;
2036         case NL80211_CMD_START_SCHED_SCAN:
2037                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
2038                 drv->scan_state = SCHED_SCAN_STARTED;
2039                 break;
2040         case NL80211_CMD_SCHED_SCAN_STOPPED:
2041                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
2042                 drv->scan_state = SCHED_SCAN_STOPPED;
2043                 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2044                 break;
2045         case NL80211_CMD_NEW_SCAN_RESULTS:
2046                 wpa_dbg(drv->ctx, MSG_DEBUG,
2047                         "nl80211: New scan results available");
2048                 drv->scan_complete_events = 1;
2049                 if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2050                         drv->scan_state = SCAN_COMPLETED;
2051                         eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2052                                              drv, drv->ctx);
2053                         drv->last_scan_cmd = 0;
2054                 } else {
2055                         external_scan_event = 1;
2056                 }
2057                 send_scan_event(drv, 0, tb, external_scan_event);
2058                 break;
2059         case NL80211_CMD_SCHED_SCAN_RESULTS:
2060                 wpa_dbg(drv->ctx, MSG_DEBUG,
2061                         "nl80211: New sched scan results available");
2062                 drv->scan_state = SCHED_SCAN_RESULTS;
2063                 send_scan_event(drv, 0, tb, 0);
2064                 break;
2065         case NL80211_CMD_SCAN_ABORTED:
2066                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
2067                 if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2068                         drv->scan_state = SCAN_ABORTED;
2069                         /*
2070                          * Need to indicate that scan results are available in
2071                          * order not to make wpa_supplicant stop its scanning.
2072                          */
2073                         eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2074                                              drv, drv->ctx);
2075                         drv->last_scan_cmd = 0;
2076                 } else {
2077                         external_scan_event = 1;
2078                 }
2079                 send_scan_event(drv, 1, tb, external_scan_event);
2080                 break;
2081         case NL80211_CMD_AUTHENTICATE:
2082         case NL80211_CMD_ASSOCIATE:
2083         case NL80211_CMD_DEAUTHENTICATE:
2084         case NL80211_CMD_DISASSOCIATE:
2085         case NL80211_CMD_FRAME_TX_STATUS:
2086         case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2087         case NL80211_CMD_UNPROT_DISASSOCIATE:
2088                 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
2089                            tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2090                            tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2091                            tb[NL80211_ATTR_COOKIE],
2092                            tb[NL80211_ATTR_RX_SIGNAL_DBM],
2093                            tb[NL80211_ATTR_STA_WME]);
2094                 break;
2095         case NL80211_CMD_CONNECT:
2096         case NL80211_CMD_ROAM:
2097                 mlme_event_connect(drv, cmd,
2098                                    tb[NL80211_ATTR_STATUS_CODE],
2099                                    tb[NL80211_ATTR_MAC],
2100                                    tb[NL80211_ATTR_REQ_IE],
2101                                    tb[NL80211_ATTR_RESP_IE],
2102                                    NULL, NULL, NULL, NULL, NULL);
2103                 break;
2104         case NL80211_CMD_CH_SWITCH_NOTIFY:
2105                 mlme_event_ch_switch(drv,
2106                                      tb[NL80211_ATTR_IFINDEX],
2107                                      tb[NL80211_ATTR_WIPHY_FREQ],
2108                                      tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2109                                      tb[NL80211_ATTR_CHANNEL_WIDTH],
2110                                      tb[NL80211_ATTR_CENTER_FREQ1],
2111                                      tb[NL80211_ATTR_CENTER_FREQ2]);
2112                 break;
2113         case NL80211_CMD_DISCONNECT:
2114                 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
2115                                       tb[NL80211_ATTR_MAC],
2116                                       tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
2117                 break;
2118         case NL80211_CMD_MICHAEL_MIC_FAILURE:
2119                 mlme_event_michael_mic_failure(bss, tb);
2120                 break;
2121         case NL80211_CMD_JOIN_IBSS:
2122                 mlme_event_join_ibss(drv, tb);
2123                 break;
2124         case NL80211_CMD_REMAIN_ON_CHANNEL:
2125                 mlme_event_remain_on_channel(drv, 0, tb);
2126                 break;
2127         case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2128                 mlme_event_remain_on_channel(drv, 1, tb);
2129                 break;
2130         case NL80211_CMD_NOTIFY_CQM:
2131                 nl80211_cqm_event(drv, tb);
2132                 break;
2133         case NL80211_CMD_REG_CHANGE:
2134                 nl80211_reg_change_event(drv, tb);
2135                 break;
2136         case NL80211_CMD_REG_BEACON_HINT:
2137                 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2138                 os_memset(&data, 0, sizeof(data));
2139                 data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
2140                 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2141                                      &data);
2142                 break;
2143         case NL80211_CMD_NEW_STATION:
2144                 nl80211_new_station_event(drv, bss, tb);
2145                 break;
2146         case NL80211_CMD_DEL_STATION:
2147                 nl80211_del_station_event(drv, tb);
2148                 break;
2149         case NL80211_CMD_SET_REKEY_OFFLOAD:
2150                 nl80211_rekey_offload_event(drv, tb);
2151                 break;
2152         case NL80211_CMD_PMKSA_CANDIDATE:
2153                 nl80211_pmksa_candidate_event(drv, tb);
2154                 break;
2155         case NL80211_CMD_PROBE_CLIENT:
2156                 nl80211_client_probe_event(drv, tb);
2157                 break;
2158         case NL80211_CMD_TDLS_OPER:
2159                 nl80211_tdls_oper_event(drv, tb);
2160                 break;
2161         case NL80211_CMD_CONN_FAILED:
2162                 nl80211_connect_failed_event(drv, tb);
2163                 break;
2164         case NL80211_CMD_FT_EVENT:
2165                 mlme_event_ft_event(drv, tb);
2166                 break;
2167         case NL80211_CMD_RADAR_DETECT:
2168                 nl80211_radar_event(drv, tb);
2169                 break;
2170         case NL80211_CMD_STOP_AP:
2171                 nl80211_stop_ap(drv, tb);
2172                 break;
2173         case NL80211_CMD_VENDOR:
2174                 nl80211_vendor_event(drv, tb);
2175                 break;
2176         case NL80211_CMD_NEW_PEER_CANDIDATE:
2177                 nl80211_new_peer_candidate(drv, tb);
2178                 break;
2179         default:
2180                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
2181                         "(cmd=%d)", cmd);
2182                 break;
2183         }
2184 }
2185
2186
2187 int process_global_event(struct nl_msg *msg, void *arg)
2188 {
2189         struct nl80211_global *global = arg;
2190         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2191         struct nlattr *tb[NL80211_ATTR_MAX + 1];
2192         struct wpa_driver_nl80211_data *drv, *tmp;
2193         int ifidx = -1;
2194         struct i802_bss *bss;
2195         u64 wdev_id = 0;
2196         int wdev_id_set = 0;
2197
2198         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2199                   genlmsg_attrlen(gnlh, 0), NULL);
2200
2201         if (tb[NL80211_ATTR_IFINDEX])
2202                 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2203         else if (tb[NL80211_ATTR_WDEV]) {
2204                 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2205                 wdev_id_set = 1;
2206         }
2207
2208         dl_list_for_each_safe(drv, tmp, &global->interfaces,
2209                               struct wpa_driver_nl80211_data, list) {
2210                 for (bss = drv->first_bss; bss; bss = bss->next) {
2211                         if ((ifidx == -1 && !wdev_id_set) ||
2212                             ifidx == bss->ifindex ||
2213                             (wdev_id_set && bss->wdev_id_set &&
2214                              wdev_id == bss->wdev_id)) {
2215                                 do_process_drv_event(bss, gnlh->cmd, tb);
2216                                 return NL_SKIP;
2217                         }
2218                 }
2219                 wpa_printf(MSG_DEBUG,
2220                            "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d wdev 0x%llx)",
2221                            gnlh->cmd, ifidx, (long long unsigned int) wdev_id);
2222         }
2223
2224         return NL_SKIP;
2225 }
2226
2227
2228 int process_bss_event(struct nl_msg *msg, void *arg)
2229 {
2230         struct i802_bss *bss = arg;
2231         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2232         struct nlattr *tb[NL80211_ATTR_MAX + 1];
2233
2234         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2235                   genlmsg_attrlen(gnlh, 0), NULL);
2236
2237         wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
2238                    gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
2239                    bss->ifname);
2240
2241         switch (gnlh->cmd) {
2242         case NL80211_CMD_FRAME:
2243         case NL80211_CMD_FRAME_TX_STATUS:
2244                 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
2245                            tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2246                            tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2247                            tb[NL80211_ATTR_COOKIE],
2248                            tb[NL80211_ATTR_RX_SIGNAL_DBM],
2249                            tb[NL80211_ATTR_STA_WME]);
2250                 break;
2251         case NL80211_CMD_UNEXPECTED_FRAME:
2252                 nl80211_spurious_frame(bss, tb, 0);
2253                 break;
2254         case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
2255                 nl80211_spurious_frame(bss, tb, 1);
2256                 break;
2257         default:
2258                 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
2259                            "(cmd=%d)", gnlh->cmd);
2260                 break;
2261         }
2262
2263         return NL_SKIP;
2264 }