contrib/wpa/src/drivers/driver_nl80211_event.c

   1 /*
   2  * Driver interaction with Linux nl80211/cfg80211 - Event processing
   3  * Copyright (c) 2002-2017, 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         C2S(NL80211_CMD_WIPHY_REG_CHANGE)
 135         C2S(NL80211_CMD_PORT_AUTHORIZED)
 136         C2S(NL80211_CMD_EXTERNAL_AUTH)
 137         C2S(NL80211_CMD_STA_OPMODE_CHANGED)
 138         C2S(NL80211_CMD_CONTROL_PORT_FRAME)
 139         default:
 140                 return "NL80211_CMD_UNKNOWN";
 141         }
 142 #undef C2S
 143 }
 144
 145
 146 static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
 147                             const u8 *frame, size_t len)
 148 {
 149         const struct ieee80211_mgmt *mgmt;
 150         union wpa_event_data event;
 151
 152         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
 153             drv->force_connect_cmd) {
 154                 /*
 155                  * Avoid reporting two association events that would confuse
 156                  * the core code.
 157                  */
 158                 wpa_printf(MSG_DEBUG,
 159                            "nl80211: Ignore auth event when using driver SME");
 160                 return;
 161         }
 162
 163         wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
 164         mgmt = (const struct ieee80211_mgmt *) frame;
 165         if (len < 24 + sizeof(mgmt->u.auth)) {
 166                 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
 167                            "frame");
 168                 return;
 169         }
 170
 171         os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
 172         os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
 173         os_memset(&event, 0, sizeof(event));
 174         os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
 175         event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
 176         event.auth.auth_transaction =
 177                 le_to_host16(mgmt->u.auth.auth_transaction);
 178         event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
 179         if (len > 24 + sizeof(mgmt->u.auth)) {
 180                 event.auth.ies = mgmt->u.auth.variable;
 181                 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
 182         }
 183
 184         wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
 185 }
 186
 187
 188 static void nl80211_parse_wmm_params(struct nlattr *wmm_attr,
 189                                      struct wmm_params *wmm_params)
 190 {
 191         struct nlattr *wmm_info[NL80211_STA_WME_MAX + 1];
 192         static struct nla_policy wme_policy[NL80211_STA_WME_MAX + 1] = {
 193                 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
 194         };
 195
 196         if (!wmm_attr ||
 197             nla_parse_nested(wmm_info, NL80211_STA_WME_MAX, wmm_attr,
 198                              wme_policy) ||
 199             !wmm_info[NL80211_STA_WME_UAPSD_QUEUES])
 200                 return;
 201
 202         wmm_params->uapsd_queues =
 203                 nla_get_u8(wmm_info[NL80211_STA_WME_UAPSD_QUEUES]);
 204         wmm_params->info_bitmap |= WMM_PARAMS_UAPSD_QUEUES_INFO;
 205 }
 206
 207
 208 static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
 209                              const u8 *frame, size_t len, struct nlattr *wmm,
 210                              struct nlattr *req_ie)
 211 {
 212         const struct ieee80211_mgmt *mgmt;
 213         union wpa_event_data event;
 214         u16 status;
 215         int ssid_len;
 216
 217         if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
 218             drv->force_connect_cmd) {
 219                 /*
 220                  * Avoid reporting two association events that would confuse
 221                  * the core code.
 222                  */
 223                 wpa_printf(MSG_DEBUG,
 224                            "nl80211: Ignore assoc event when using driver SME");
 225                 return;
 226         }
 227
 228         wpa_printf(MSG_DEBUG, "nl80211: Associate event");
 229         mgmt = (const struct ieee80211_mgmt *) frame;
 230         if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
 231                 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
 232                            "frame");
 233                 return;
 234         }
 235
 236         status = le_to_host16(mgmt->u.assoc_resp.status_code);
 237         if (status != WLAN_STATUS_SUCCESS) {
 238                 os_memset(&event, 0, sizeof(event));
 239                 event.assoc_reject.bssid = mgmt->bssid;
 240                 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
 241                         event.assoc_reject.resp_ies =
 242                                 (u8 *) mgmt->u.assoc_resp.variable;
 243                         event.assoc_reject.resp_ies_len =
 244                                 len - 24 - sizeof(mgmt->u.assoc_resp);
 245                 }
 246                 event.assoc_reject.status_code = status;
 247
 248                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
 249                 return;
 250         }
 251
 252         drv->associated = 1;
 253         os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
 254         os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
 255
 256         os_memset(&event, 0, sizeof(event));
 257         event.assoc_info.resp_frame = frame;
 258         event.assoc_info.resp_frame_len = len;
 259         if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
 260                 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
 261                 event.assoc_info.resp_ies_len =
 262                         len - 24 - sizeof(mgmt->u.assoc_resp);
 263         }
 264
 265         if (req_ie) {
 266                 event.assoc_info.req_ies = nla_data(req_ie);
 267                 event.assoc_info.req_ies_len = nla_len(req_ie);
 268         }
 269
 270         /* When this association was initiated outside of wpa_supplicant,
 271          * drv->ssid needs to be set here to satisfy later checking. */
 272         ssid_len = nl80211_get_assoc_ssid(drv, drv->ssid);
 273         if (ssid_len > 0) {
 274                 drv->ssid_len = ssid_len;
 275                 wpa_printf(MSG_DEBUG,
 276                            "nl80211: Set drv->ssid based on scan res info to '%s'",
 277                            wpa_ssid_txt(drv->ssid, drv->ssid_len));
 278         }
 279
 280         event.assoc_info.freq = drv->assoc_freq;
 281         drv->first_bss->freq = drv->assoc_freq;
 282
 283         nl80211_parse_wmm_params(wmm, &event.assoc_info.wmm_params);
 284
 285         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
 286 }
 287
 288
 289 static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
 290                                enum nl80211_commands cmd, struct nlattr *status,
 291                                struct nlattr *addr, struct nlattr *req_ie,
 292                                struct nlattr *resp_ie,
 293                                struct nlattr *timed_out,
 294                                struct nlattr *timeout_reason,
 295                                struct nlattr *authorized,
 296                                struct nlattr *key_replay_ctr,
 297                                struct nlattr *ptk_kck,
 298                                struct nlattr *ptk_kek,
 299                                struct nlattr *subnet_status,
 300                                struct nlattr *fils_erp_next_seq_num,
 301                                struct nlattr *fils_pmk,
 302                                struct nlattr *fils_pmkid)
 303 {
 304         union wpa_event_data event;
 305         const u8 *ssid = NULL;
 306         u16 status_code;
 307         int ssid_len;
 308
 309         if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
 310                 /*
 311                  * Avoid reporting two association events that would confuse
 312                  * the core code.
 313                  */
 314                 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
 315                            "when using userspace SME", cmd);
 316                 return;
 317         }
 318
 319         drv->connect_reassoc = 0;
 320
 321         status_code = status ? nla_get_u16(status) : WLAN_STATUS_SUCCESS;
 322
 323         if (cmd == NL80211_CMD_CONNECT) {
 324                 wpa_printf(MSG_DEBUG,
 325                            "nl80211: Connect event (status=%u ignore_next_local_disconnect=%d)",
 326                            status_code, drv->ignore_next_local_disconnect);
 327         } else if (cmd == NL80211_CMD_ROAM) {
 328                 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
 329         }
 330
 331         os_memset(&event, 0, sizeof(event));
 332         if (cmd == NL80211_CMD_CONNECT && status_code != WLAN_STATUS_SUCCESS) {
 333                 if (addr)
 334                         event.assoc_reject.bssid = nla_data(addr);
 335                 if (drv->ignore_next_local_disconnect) {
 336                         drv->ignore_next_local_disconnect = 0;
 337                         if (!event.assoc_reject.bssid ||
 338                             (os_memcmp(event.assoc_reject.bssid,
 339                                        drv->auth_attempt_bssid,
 340                                        ETH_ALEN) != 0)) {
 341                                 /*
 342                                  * Ignore the event that came without a BSSID or
 343                                  * for the old connection since this is likely
 344                                  * not relevant to the new Connect command.
 345                                  */
 346                                 wpa_printf(MSG_DEBUG,
 347                                            "nl80211: Ignore connection failure event triggered during reassociation");
 348                                 return;
 349                         }
 350                 }
 351                 if (resp_ie) {
 352                         event.assoc_reject.resp_ies = nla_data(resp_ie);
 353                         event.assoc_reject.resp_ies_len = nla_len(resp_ie);
 354                 }
 355                 event.assoc_reject.status_code = status_code;
 356                 event.assoc_reject.timed_out = timed_out != NULL;
 357                 if (timed_out && timeout_reason) {
 358                         enum nl80211_timeout_reason reason;
 359
 360                         reason = nla_get_u32(timeout_reason);
 361                         switch (reason) {
 362                         case NL80211_TIMEOUT_SCAN:
 363                                 event.assoc_reject.timeout_reason = "scan";
 364                                 break;
 365                         case NL80211_TIMEOUT_AUTH:
 366                                 event.assoc_reject.timeout_reason = "auth";
 367                                 break;
 368                         case NL80211_TIMEOUT_ASSOC:
 369                                 event.assoc_reject.timeout_reason = "assoc";
 370                                 break;
 371                         default:
 372                                 break;
 373                         }
 374                 }
 375                 if (fils_erp_next_seq_num)
 376                         event.assoc_reject.fils_erp_next_seq_num =
 377                                 nla_get_u16(fils_erp_next_seq_num);
 378                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
 379                 return;
 380         }
 381
 382         drv->associated = 1;
 383         if (addr) {
 384                 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
 385                 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
 386         }
 387
 388         if (req_ie) {
 389                 event.assoc_info.req_ies = nla_data(req_ie);
 390                 event.assoc_info.req_ies_len = nla_len(req_ie);
 391
 392                 if (cmd == NL80211_CMD_ROAM) {
 393                         ssid = get_ie(event.assoc_info.req_ies,
 394                                       event.assoc_info.req_ies_len,
 395                                       WLAN_EID_SSID);
 396                         if (ssid && ssid[1] > 0 && ssid[1] <= 32) {
 397                                 drv->ssid_len = ssid[1];
 398                                 os_memcpy(drv->ssid, ssid + 2, ssid[1]);
 399                                 wpa_printf(MSG_DEBUG,
 400                                            "nl80211: Set drv->ssid based on req_ie to '%s'",
 401                                            wpa_ssid_txt(drv->ssid,
 402                                                         drv->ssid_len));
 403                         }
 404                 }
 405         }
 406         if (resp_ie) {
 407                 event.assoc_info.resp_ies = nla_data(resp_ie);
 408                 event.assoc_info.resp_ies_len = nla_len(resp_ie);
 409         }
 410
 411         event.assoc_info.freq = nl80211_get_assoc_freq(drv);
 412         drv->first_bss->freq = drv->assoc_freq;
 413
 414         if ((!ssid || ssid[1] == 0 || ssid[1] > 32) &&
 415             (ssid_len = nl80211_get_assoc_ssid(drv, drv->ssid)) > 0) {
 416                 /* When this connection was initiated outside of wpa_supplicant,
 417                  * drv->ssid needs to be set here to satisfy later checking. */
 418                 drv->ssid_len = ssid_len;
 419                 wpa_printf(MSG_DEBUG,
 420                            "nl80211: Set drv->ssid based on scan res info to '%s'",
 421                            wpa_ssid_txt(drv->ssid, drv->ssid_len));
 422         }
 423
 424         if (authorized && nla_get_u8(authorized)) {
 425                 event.assoc_info.authorized = 1;
 426                 wpa_printf(MSG_DEBUG, "nl80211: connection authorized");
 427         }
 428         if (key_replay_ctr) {
 429                 event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr);
 430                 event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr);
 431         }
 432         if (ptk_kck) {
 433                 event.assoc_info.ptk_kck = nla_data(ptk_kck);
 434                 event.assoc_info.ptk_kck_len = nla_len(ptk_kck);
 435         }
 436         if (ptk_kek) {
 437                 event.assoc_info.ptk_kek = nla_data(ptk_kek);
 438                 event.assoc_info.ptk_kek_len = nla_len(ptk_kek);
 439         }
 440
 441         if (subnet_status) {
 442                 /*
 443                  * At least for now, this is only available from
 444                  * QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS and that
 445                  * attribute has the same values 0, 1, 2 as are used in the
 446                  * variable here, so no mapping between different values are
 447                  * needed.
 448                  */
 449                 event.assoc_info.subnet_status = nla_get_u8(subnet_status);
 450         }
 451
 452         if (fils_erp_next_seq_num)
 453                 event.assoc_info.fils_erp_next_seq_num =
 454                         nla_get_u16(fils_erp_next_seq_num);
 455
 456         if (fils_pmk) {
 457                 event.assoc_info.fils_pmk = nla_data(fils_pmk);
 458                 event.assoc_info.fils_pmk_len = nla_len(fils_pmk);
 459         }
 460
 461         if (fils_pmkid)
 462                 event.assoc_info.fils_pmkid = nla_data(fils_pmkid);
 463
 464         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
 465 }
 466
 467
 468 static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
 469                                   struct nlattr *reason, struct nlattr *addr,
 470                                   struct nlattr *by_ap)
 471 {
 472         union wpa_event_data data;
 473         unsigned int locally_generated = by_ap == NULL;
 474
 475         if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
 476                 /*
 477                  * Avoid reporting two disassociation events that could
 478                  * confuse the core code.
 479                  */
 480                 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
 481                            "event when using userspace SME");
 482                 return;
 483         }
 484
 485         if (drv->ignore_next_local_disconnect) {
 486                 drv->ignore_next_local_disconnect = 0;
 487                 if (locally_generated) {
 488                         wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
 489                                    "event triggered during reassociation");
 490                         return;
 491                 }
 492                 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
 493                            "disconnect but got another disconnect "
 494                            "event first");
 495         }
 496
 497         wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
 498         nl80211_mark_disconnected(drv);
 499         os_memset(&data, 0, sizeof(data));
 500         if (reason)
 501                 data.deauth_info.reason_code = nla_get_u16(reason);
 502         data.deauth_info.locally_generated = by_ap == NULL;
 503         wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
 504 }
 505
 506
 507 static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
 508 {
 509         int freq1 = 0;
 510
 511         switch (convert2width(width)) {
 512         case CHAN_WIDTH_20_NOHT:
 513         case CHAN_WIDTH_20:
 514                 return 0;
 515         case CHAN_WIDTH_40:
 516                 freq1 = cf1 - 10;
 517                 break;
 518         case CHAN_WIDTH_80:
 519                 freq1 = cf1 - 30;
 520                 break;
 521         case CHAN_WIDTH_160:
 522                 freq1 = cf1 - 70;
 523                 break;
 524         case CHAN_WIDTH_UNKNOWN:
 525         case CHAN_WIDTH_80P80:
 526                 /* FIXME: implement this */
 527                 return 0;
 528         }
 529
 530         return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
 531 }
 532
 533
 534 static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
 535                                  struct nlattr *ifindex, struct nlattr *freq,
 536                                  struct nlattr *type, struct nlattr *bw,
 537                                  struct nlattr *cf1, struct nlattr *cf2)
 538 {
 539         struct i802_bss *bss;
 540         union wpa_event_data data;
 541         int ht_enabled = 1;
 542         int chan_offset = 0;
 543         int ifidx;
 544
 545         wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
 546
 547         if (!freq)
 548                 return;
 549
 550         ifidx = nla_get_u32(ifindex);
 551         bss = get_bss_ifindex(drv, ifidx);
 552         if (bss == NULL) {
 553                 wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
 554                            ifidx);
 555                 return;
 556         }
 557
 558         if (type) {
 559                 enum nl80211_channel_type ch_type = nla_get_u32(type);
 560
 561                 wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type);
 562                 switch (ch_type) {
 563                 case NL80211_CHAN_NO_HT:
 564                         ht_enabled = 0;
 565                         break;
 566                 case NL80211_CHAN_HT20:
 567                         break;
 568                 case NL80211_CHAN_HT40PLUS:
 569                         chan_offset = 1;
 570                         break;
 571                 case NL80211_CHAN_HT40MINUS:
 572                         chan_offset = -1;
 573                         break;
 574                 }
 575         } else if (bw && cf1) {
 576                 /* This can happen for example with VHT80 ch switch */
 577                 chan_offset = calculate_chan_offset(nla_get_u32(bw),
 578                                                     nla_get_u32(freq),
 579                                                     nla_get_u32(cf1),
 580                                                     cf2 ? nla_get_u32(cf2) : 0);
 581         } else {
 582                 wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
 583         }
 584
 585         os_memset(&data, 0, sizeof(data));
 586         data.ch_switch.freq = nla_get_u32(freq);
 587         data.ch_switch.ht_enabled = ht_enabled;
 588         data.ch_switch.ch_offset = chan_offset;
 589         if (bw)
 590                 data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
 591         if (cf1)
 592                 data.ch_switch.cf1 = nla_get_u32(cf1);
 593         if (cf2)
 594                 data.ch_switch.cf2 = nla_get_u32(cf2);
 595
 596         bss->freq = data.ch_switch.freq;
 597         drv->assoc_freq = data.ch_switch.freq;
 598
 599         wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
 600 }
 601
 602
 603 static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
 604                                enum nl80211_commands cmd, struct nlattr *addr)
 605 {
 606         union wpa_event_data event;
 607         enum wpa_event_type ev;
 608
 609         if (nla_len(addr) != ETH_ALEN)
 610                 return;
 611
 612         wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
 613                    cmd, MAC2STR((u8 *) nla_data(addr)));
 614
 615         if (cmd == NL80211_CMD_AUTHENTICATE)
 616                 ev = EVENT_AUTH_TIMED_OUT;
 617         else if (cmd == NL80211_CMD_ASSOCIATE)
 618                 ev = EVENT_ASSOC_TIMED_OUT;
 619         else
 620                 return;
 621
 622         os_memset(&event, 0, sizeof(event));
 623         os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
 624         wpa_supplicant_event(drv->ctx, ev, &event);
 625 }
 626
 627
 628 static void mlme_event_mgmt(struct i802_bss *bss,
 629                             struct nlattr *freq, struct nlattr *sig,
 630                             const u8 *frame, size_t len)
 631 {
 632         struct wpa_driver_nl80211_data *drv = bss->drv;
 633         const struct ieee80211_mgmt *mgmt;
 634         union wpa_event_data event;
 635         u16 fc, stype;
 636         int ssi_signal = 0;
 637         int rx_freq = 0;
 638
 639         wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
 640         mgmt = (const struct ieee80211_mgmt *) frame;
 641         if (len < 24) {
 642                 wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
 643                 return;
 644         }
 645
 646         fc = le_to_host16(mgmt->frame_control);
 647         stype = WLAN_FC_GET_STYPE(fc);
 648
 649         if (sig)
 650                 ssi_signal = (s32) nla_get_u32(sig);
 651
 652         os_memset(&event, 0, sizeof(event));
 653         if (freq) {
 654                 event.rx_mgmt.freq = nla_get_u32(freq);
 655                 rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
 656         }
 657         wpa_printf(MSG_DEBUG,
 658                    "nl80211: RX frame da=" MACSTR " sa=" MACSTR " bssid=" MACSTR
 659                    " freq=%d ssi_signal=%d fc=0x%x seq_ctrl=0x%x stype=%u (%s) len=%u",
 660                    MAC2STR(mgmt->da), MAC2STR(mgmt->sa), MAC2STR(mgmt->bssid),
 661                    rx_freq, ssi_signal, fc,
 662                    le_to_host16(mgmt->seq_ctrl), stype, fc2str(fc),
 663                    (unsigned int) len);
 664         event.rx_mgmt.frame = frame;
 665         event.rx_mgmt.frame_len = len;
 666         event.rx_mgmt.ssi_signal = ssi_signal;
 667         event.rx_mgmt.drv_priv = bss;
 668         wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
 669 }
 670
 671
 672 static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
 673                                       struct nlattr *cookie, const u8 *frame,
 674                                       size_t len, struct nlattr *ack)
 675 {
 676         union wpa_event_data event;
 677         const struct ieee80211_hdr *hdr;
 678         u16 fc;
 679
 680         wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
 681         if (!is_ap_interface(drv->nlmode)) {
 682                 u64 cookie_val;
 683
 684                 if (!cookie)
 685                         return;
 686
 687                 cookie_val = nla_get_u64(cookie);
 688                 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
 689                            " cookie=0x%llx%s (ack=%d)",
 690                            (long long unsigned int) cookie_val,
 691                            cookie_val == drv->send_action_cookie ?
 692                            " (match)" : " (unknown)", ack != NULL);
 693                 if (cookie_val != drv->send_action_cookie)
 694                         return;
 695         }
 696
 697         hdr = (const struct ieee80211_hdr *) frame;
 698         fc = le_to_host16(hdr->frame_control);
 699
 700         os_memset(&event, 0, sizeof(event));
 701         event.tx_status.type = WLAN_FC_GET_TYPE(fc);
 702         event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
 703         event.tx_status.dst = hdr->addr1;
 704         event.tx_status.data = frame;
 705         event.tx_status.data_len = len;
 706         event.tx_status.ack = ack != NULL;
 707         wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
 708 }
 709
 710
 711 static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
 712                                        enum wpa_event_type type,
 713                                        const u8 *frame, size_t len)
 714 {
 715         const struct ieee80211_mgmt *mgmt;
 716         union wpa_event_data event;
 717         const u8 *bssid = NULL;
 718         u16 reason_code = 0;
 719
 720         if (type == EVENT_DEAUTH)
 721                 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
 722         else
 723                 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
 724
 725         mgmt = (const struct ieee80211_mgmt *) frame;
 726         if (len >= 24) {
 727                 bssid = mgmt->bssid;
 728
 729                 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
 730                     !drv->associated &&
 731                     os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
 732                     os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
 733                     os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
 734                         /*
 735                          * Avoid issues with some roaming cases where
 736                          * disconnection event for the old AP may show up after
 737                          * we have started connection with the new AP.
 738                          * In case of locally generated event clear
 739                          * ignore_next_local_deauth as well, to avoid next local
 740                          * deauth event be wrongly ignored.
 741                          */
 742                         if (!os_memcmp(mgmt->sa, drv->first_bss->addr,
 743                                        ETH_ALEN)) {
 744                                 wpa_printf(MSG_DEBUG,
 745                                            "nl80211: Received a locally generated deauth event. Clear ignore_next_local_deauth flag");
 746                                 drv->ignore_next_local_deauth = 0;
 747                         } else {
 748                                 wpa_printf(MSG_DEBUG,
 749                                            "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
 750                                            MAC2STR(bssid),
 751                                            MAC2STR(drv->auth_attempt_bssid));
 752                         }
 753                         return;
 754                 }
 755
 756                 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
 757                     drv->connect_reassoc && drv->associated &&
 758                     os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0 &&
 759                     os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0) {
 760                         /*
 761                          * Avoid issues with some roaming cases where
 762                          * disconnection event for the old AP may show up after
 763                          * we have started connection with the new AP.
 764                          */
 765                         wpa_printf(MSG_DEBUG,
 766                                    "nl80211: Ignore deauth/disassoc event from old AP "
 767                                    MACSTR
 768                                    " when already connecting with " MACSTR,
 769                                    MAC2STR(bssid),
 770                                    MAC2STR(drv->auth_attempt_bssid));
 771                         return;
 772                 }
 773
 774                 if (drv->associated != 0 &&
 775                     os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
 776                     os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
 777                         /*
 778                          * We have presumably received this deauth as a
 779                          * response to a clear_state_mismatch() outgoing
 780                          * deauth.  Don't let it take us offline!
 781                          */
 782                         wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
 783                                    "from Unknown BSSID " MACSTR " -- ignoring",
 784                                    MAC2STR(bssid));
 785                         return;
 786                 }
 787         }
 788
 789         nl80211_mark_disconnected(drv);
 790         os_memset(&event, 0, sizeof(event));
 791
 792         /* Note: Same offset for Reason Code in both frame subtypes */
 793         if (len >= 24 + sizeof(mgmt->u.deauth))
 794                 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
 795
 796         if (type == EVENT_DISASSOC) {
 797                 event.disassoc_info.locally_generated =
 798                         !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
 799                 event.disassoc_info.addr = bssid;
 800                 event.disassoc_info.reason_code = reason_code;
 801                 if (frame + len > mgmt->u.disassoc.variable) {
 802                         event.disassoc_info.ie = mgmt->u.disassoc.variable;
 803                         event.disassoc_info.ie_len = frame + len -
 804                                 mgmt->u.disassoc.variable;
 805                 }
 806         } else {
 807                 event.deauth_info.locally_generated =
 808                         !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
 809                 if (drv->ignore_deauth_event) {
 810                         wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
 811                         drv->ignore_deauth_event = 0;
 812                         if (event.deauth_info.locally_generated)
 813                                 drv->ignore_next_local_deauth = 0;
 814                         return;
 815                 }
 816                 if (drv->ignore_next_local_deauth) {
 817                         drv->ignore_next_local_deauth = 0;
 818                         if (event.deauth_info.locally_generated) {
 819                                 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
 820                                 return;
 821                         }
 822                         wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
 823                 }
 824                 event.deauth_info.addr = bssid;
 825                 event.deauth_info.reason_code = reason_code;
 826                 if (frame + len > mgmt->u.deauth.variable) {
 827                         event.deauth_info.ie = mgmt->u.deauth.variable;
 828                         event.deauth_info.ie_len = frame + len -
 829                                 mgmt->u.deauth.variable;
 830                 }
 831         }
 832
 833         wpa_supplicant_event(drv->ctx, type, &event);
 834 }
 835
 836
 837 static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
 838                                          enum wpa_event_type type,
 839                                          const u8 *frame, size_t len)
 840 {
 841         const struct ieee80211_mgmt *mgmt;
 842         union wpa_event_data event;
 843         u16 reason_code = 0;
 844
 845         if (type == EVENT_UNPROT_DEAUTH)
 846                 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
 847         else
 848                 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
 849
 850         if (len < 24)
 851                 return;
 852
 853         mgmt = (const struct ieee80211_mgmt *) frame;
 854
 855         os_memset(&event, 0, sizeof(event));
 856         /* Note: Same offset for Reason Code in both frame subtypes */
 857         if (len >= 24 + sizeof(mgmt->u.deauth))
 858                 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
 859
 860         if (type == EVENT_UNPROT_DISASSOC) {
 861                 event.unprot_disassoc.sa = mgmt->sa;
 862                 event.unprot_disassoc.da = mgmt->da;
 863                 event.unprot_disassoc.reason_code = reason_code;
 864         } else {
 865                 event.unprot_deauth.sa = mgmt->sa;
 866                 event.unprot_deauth.da = mgmt->da;
 867                 event.unprot_deauth.reason_code = reason_code;
 868         }
 869
 870         wpa_supplicant_event(drv->ctx, type, &event);
 871 }
 872
 873
 874 static void mlme_event(struct i802_bss *bss,
 875                        enum nl80211_commands cmd, struct nlattr *frame,
 876                        struct nlattr *addr, struct nlattr *timed_out,
 877                        struct nlattr *freq, struct nlattr *ack,
 878                        struct nlattr *cookie, struct nlattr *sig,
 879                        struct nlattr *wmm, struct nlattr *req_ie)
 880 {
 881         struct wpa_driver_nl80211_data *drv = bss->drv;
 882         const u8 *data;
 883         size_t len;
 884
 885         if (timed_out && addr) {
 886                 mlme_timeout_event(drv, cmd, addr);
 887                 return;
 888         }
 889
 890         if (frame == NULL) {
 891                 wpa_printf(MSG_DEBUG,
 892                            "nl80211: MLME event %d (%s) without frame data",
 893                            cmd, nl80211_command_to_string(cmd));
 894                 return;
 895         }
 896
 897         data = nla_data(frame);
 898         len = nla_len(frame);
 899         if (len < 4 + 2 * ETH_ALEN) {
 900                 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
 901                            MACSTR ") - too short",
 902                            cmd, nl80211_command_to_string(cmd), bss->ifname,
 903                            MAC2STR(bss->addr));
 904                 return;
 905         }
 906         wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
 907                    ") A1=" MACSTR " A2=" MACSTR, cmd,
 908                    nl80211_command_to_string(cmd), bss->ifname,
 909                    MAC2STR(bss->addr), MAC2STR(data + 4),
 910                    MAC2STR(data + 4 + ETH_ALEN));
 911         if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
 912             os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
 913             (is_zero_ether_addr(bss->rand_addr) ||
 914              os_memcmp(bss->rand_addr, data + 4, ETH_ALEN) != 0) &&
 915             os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
 916                 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
 917                            "for foreign address", bss->ifname);
 918                 return;
 919         }
 920         wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
 921                     nla_data(frame), nla_len(frame));
 922
 923         switch (cmd) {
 924         case NL80211_CMD_AUTHENTICATE:
 925                 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
 926                 break;
 927         case NL80211_CMD_ASSOCIATE:
 928                 mlme_event_assoc(drv, nla_data(frame), nla_len(frame), wmm,
 929                                  req_ie);
 930                 break;
 931         case NL80211_CMD_DEAUTHENTICATE:
 932                 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
 933                                            nla_data(frame), nla_len(frame));
 934                 break;
 935         case NL80211_CMD_DISASSOCIATE:
 936                 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
 937                                            nla_data(frame), nla_len(frame));
 938                 break;
 939         case NL80211_CMD_FRAME:
 940                 mlme_event_mgmt(bss, freq, sig, nla_data(frame),
 941                                 nla_len(frame));
 942                 break;
 943         case NL80211_CMD_FRAME_TX_STATUS:
 944                 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
 945                                           nla_len(frame), ack);
 946                 break;
 947         case NL80211_CMD_UNPROT_DEAUTHENTICATE:
 948                 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
 949                                              nla_data(frame), nla_len(frame));
 950                 break;
 951         case NL80211_CMD_UNPROT_DISASSOCIATE:
 952                 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
 953                                              nla_data(frame), nla_len(frame));
 954                 break;
 955         default:
 956                 break;
 957         }
 958 }
 959
 960
 961 static void mlme_event_michael_mic_failure(struct i802_bss *bss,
 962                                            struct nlattr *tb[])
 963 {
 964         union wpa_event_data data;
 965
 966         wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
 967         os_memset(&data, 0, sizeof(data));
 968         if (tb[NL80211_ATTR_MAC]) {
 969                 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
 970                             nla_data(tb[NL80211_ATTR_MAC]),
 971                             nla_len(tb[NL80211_ATTR_MAC]));
 972                 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
 973         }
 974         if (tb[NL80211_ATTR_KEY_SEQ]) {
 975                 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
 976                             nla_data(tb[NL80211_ATTR_KEY_SEQ]),
 977                             nla_len(tb[NL80211_ATTR_KEY_SEQ]));
 978         }
 979         if (tb[NL80211_ATTR_KEY_TYPE]) {
 980                 enum nl80211_key_type key_type =
 981                         nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
 982                 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
 983                 if (key_type == NL80211_KEYTYPE_PAIRWISE)
 984                         data.michael_mic_failure.unicast = 1;
 985         } else
 986                 data.michael_mic_failure.unicast = 1;
 987
 988         if (tb[NL80211_ATTR_KEY_IDX]) {
 989                 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
 990                 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
 991         }
 992
 993         wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
 994 }
 995
 996
 997 static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
 998                                  struct nlattr *tb[])
 999 {
1000         unsigned int freq;
1001         union wpa_event_data event;
1002
1003         if (tb[NL80211_ATTR_MAC] == NULL) {
1004                 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
1005                            "event");
1006                 return;
1007         }
1008         os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1009
1010         drv->associated = 1;
1011         wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
1012                    MAC2STR(drv->bssid));
1013
1014         freq = nl80211_get_assoc_freq(drv);
1015         if (freq) {
1016                 wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz",
1017                            freq);
1018                 drv->first_bss->freq = freq;
1019         }
1020
1021         os_memset(&event, 0, sizeof(event));
1022         event.assoc_info.freq = freq;
1023
1024         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1025 }
1026
1027
1028 static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
1029                                          int cancel_event, struct nlattr *tb[])
1030 {
1031         unsigned int freq, chan_type, duration;
1032         union wpa_event_data data;
1033         u64 cookie;
1034
1035         if (tb[NL80211_ATTR_WIPHY_FREQ])
1036                 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1037         else
1038                 freq = 0;
1039
1040         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
1041                 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1042         else
1043                 chan_type = 0;
1044
1045         if (tb[NL80211_ATTR_DURATION])
1046                 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
1047         else
1048                 duration = 0;
1049
1050         if (tb[NL80211_ATTR_COOKIE])
1051                 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1052         else
1053                 cookie = 0;
1054
1055         wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
1056                    "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
1057                    cancel_event, freq, chan_type, duration,
1058                    (long long unsigned int) cookie,
1059                    cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
1060
1061         if (cookie != drv->remain_on_chan_cookie)
1062                 return; /* not for us */
1063
1064         if (cancel_event)
1065                 drv->pending_remain_on_chan = 0;
1066
1067         os_memset(&data, 0, sizeof(data));
1068         data.remain_on_channel.freq = freq;
1069         data.remain_on_channel.duration = duration;
1070         wpa_supplicant_event(drv->ctx, cancel_event ?
1071                              EVENT_CANCEL_REMAIN_ON_CHANNEL :
1072                              EVENT_REMAIN_ON_CHANNEL, &data);
1073 }
1074
1075
1076 static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
1077                                 struct nlattr *tb[])
1078 {
1079         union wpa_event_data data;
1080
1081         os_memset(&data, 0, sizeof(data));
1082
1083         if (tb[NL80211_ATTR_IE]) {
1084                 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
1085                 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
1086         }
1087
1088         if (tb[NL80211_ATTR_IE_RIC]) {
1089                 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
1090                 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
1091         }
1092
1093         if (tb[NL80211_ATTR_MAC])
1094                 os_memcpy(data.ft_ies.target_ap,
1095                           nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1096
1097         wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
1098                    MAC2STR(data.ft_ies.target_ap));
1099
1100         wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
1101 }
1102
1103
1104 static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
1105                             struct nlattr *tb[], int external_scan)
1106 {
1107         union wpa_event_data event;
1108         struct nlattr *nl;
1109         int rem;
1110         struct scan_info *info;
1111 #define MAX_REPORT_FREQS 50
1112         int freqs[MAX_REPORT_FREQS];
1113         int num_freqs = 0;
1114
1115         if (!external_scan && drv->scan_for_auth) {
1116                 drv->scan_for_auth = 0;
1117                 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
1118                            "cfg80211 BSS entry");
1119                 wpa_driver_nl80211_authenticate_retry(drv);
1120                 return;
1121         }
1122
1123         os_memset(&event, 0, sizeof(event));
1124         info = &event.scan_info;
1125         info->aborted = aborted;
1126         info->external_scan = external_scan;
1127         info->nl_scan_event = 1;
1128
1129         if (tb[NL80211_ATTR_SCAN_SSIDS]) {
1130                 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
1131                         struct wpa_driver_scan_ssid *s =
1132                                 &info->ssids[info->num_ssids];
1133                         s->ssid = nla_data(nl);
1134                         s->ssid_len = nla_len(nl);
1135                         wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
1136                                    wpa_ssid_txt(s->ssid, s->ssid_len));
1137                         info->num_ssids++;
1138                         if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1139                                 break;
1140                 }
1141         }
1142         if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1143                 char msg[300], *pos, *end;
1144                 int res;
1145
1146                 pos = msg;
1147                 end = pos + sizeof(msg);
1148                 *pos = '\0';
1149
1150                 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1151                 {
1152                         freqs[num_freqs] = nla_get_u32(nl);
1153                         res = os_snprintf(pos, end - pos, " %d",
1154                                           freqs[num_freqs]);
1155                         if (!os_snprintf_error(end - pos, res))
1156                                 pos += res;
1157                         num_freqs++;
1158                         if (num_freqs == MAX_REPORT_FREQS - 1)
1159                                 break;
1160                 }
1161                 info->freqs = freqs;
1162                 info->num_freqs = num_freqs;
1163                 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1164                            msg);
1165         }
1166
1167         if (tb[NL80211_ATTR_SCAN_START_TIME_TSF] &&
1168             tb[NL80211_ATTR_SCAN_START_TIME_TSF_BSSID]) {
1169                 info->scan_start_tsf =
1170                         nla_get_u64(tb[NL80211_ATTR_SCAN_START_TIME_TSF]);
1171                 os_memcpy(info->scan_start_tsf_bssid,
1172                           nla_data(tb[NL80211_ATTR_SCAN_START_TIME_TSF_BSSID]),
1173                           ETH_ALEN);
1174         }
1175
1176         wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1177 }
1178
1179
1180 static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
1181                               struct nlattr *tb[])
1182 {
1183         static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
1184                 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
1185                 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
1186                 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
1187                 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
1188                 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
1189                 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
1190                 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
1191                 [NL80211_ATTR_CQM_BEACON_LOSS_EVENT] = { .type = NLA_FLAG },
1192         };
1193         struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
1194         enum nl80211_cqm_rssi_threshold_event event;
1195         union wpa_event_data ed;
1196         struct wpa_signal_info sig;
1197         int res;
1198
1199         if (tb[NL80211_ATTR_CQM] == NULL ||
1200             nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
1201                              cqm_policy)) {
1202                 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
1203                 return;
1204         }
1205
1206         os_memset(&ed, 0, sizeof(ed));
1207
1208         if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
1209                 if (!tb[NL80211_ATTR_MAC])
1210                         return;
1211                 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
1212                           ETH_ALEN);
1213                 ed.low_ack.num_packets =
1214                         nla_get_u32(cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]);
1215                 wpa_printf(MSG_DEBUG, "nl80211: Packet loss event for " MACSTR
1216                            " (num_packets %u)",
1217                            MAC2STR(ed.low_ack.addr), ed.low_ack.num_packets);
1218                 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
1219                 return;
1220         }
1221
1222         if (cqm[NL80211_ATTR_CQM_BEACON_LOSS_EVENT]) {
1223                 wpa_printf(MSG_DEBUG, "nl80211: Beacon loss event");
1224                 wpa_supplicant_event(drv->ctx, EVENT_BEACON_LOSS, NULL);
1225                 return;
1226         }
1227
1228         if (cqm[NL80211_ATTR_CQM_TXE_RATE] &&
1229             cqm[NL80211_ATTR_CQM_TXE_PKTS] &&
1230             cqm[NL80211_ATTR_CQM_TXE_INTVL] &&
1231             cqm[NL80211_ATTR_MAC]) {
1232                 wpa_printf(MSG_DEBUG, "nl80211: CQM TXE event for " MACSTR
1233                            " (rate: %u pkts: %u interval: %u)",
1234                            MAC2STR((u8 *) nla_data(cqm[NL80211_ATTR_MAC])),
1235                            nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_RATE]),
1236                            nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_PKTS]),
1237                            nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_INTVL]));
1238                 return;
1239         }
1240
1241         if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL) {
1242                 wpa_printf(MSG_DEBUG,
1243                            "nl80211: Not a CQM RSSI threshold event");
1244                 return;
1245         }
1246         event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
1247
1248         if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
1249                 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1250                            "event: RSSI high");
1251                 ed.signal_change.above_threshold = 1;
1252         } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
1253                 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1254                            "event: RSSI low");
1255                 ed.signal_change.above_threshold = 0;
1256         } else {
1257                 wpa_printf(MSG_DEBUG,
1258                            "nl80211: Unknown CQM RSSI threshold event: %d",
1259                            event);
1260                 return;
1261         }
1262
1263         res = nl80211_get_link_signal(drv, &sig);
1264         if (res == 0) {
1265                 ed.signal_change.current_signal = sig.current_signal;
1266                 ed.signal_change.current_txrate = sig.current_txrate;
1267                 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm  txrate: %d",
1268                            sig.current_signal, sig.current_txrate);
1269         }
1270
1271         res = nl80211_get_link_noise(drv, &sig);
1272         if (res == 0) {
1273                 ed.signal_change.current_noise = sig.current_noise;
1274                 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
1275                            sig.current_noise);
1276         }
1277
1278         wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
1279 }
1280
1281
1282 static void nl80211_new_peer_candidate(struct wpa_driver_nl80211_data *drv,
1283                                        struct nlattr **tb)
1284 {
1285         const u8 *addr;
1286         union wpa_event_data data;
1287
1288         if (drv->nlmode != NL80211_IFTYPE_MESH_POINT ||
1289             !tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE])
1290                 return;
1291
1292         addr = nla_data(tb[NL80211_ATTR_MAC]);
1293         wpa_printf(MSG_DEBUG, "nl80211: New peer candidate " MACSTR,
1294                    MAC2STR(addr));
1295
1296         os_memset(&data, 0, sizeof(data));
1297         data.mesh_peer.peer = addr;
1298         data.mesh_peer.ies = nla_data(tb[NL80211_ATTR_IE]);
1299         data.mesh_peer.ie_len = nla_len(tb[NL80211_ATTR_IE]);
1300         wpa_supplicant_event(drv->ctx, EVENT_NEW_PEER_CANDIDATE, &data);
1301 }
1302
1303
1304 static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
1305                                       struct i802_bss *bss,
1306                                       struct nlattr **tb)
1307 {
1308         u8 *addr;
1309         union wpa_event_data data;
1310
1311         if (tb[NL80211_ATTR_MAC] == NULL)
1312                 return;
1313         addr = nla_data(tb[NL80211_ATTR_MAC]);
1314         wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
1315
1316         if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1317                 u8 *ies = NULL;
1318                 size_t ies_len = 0;
1319                 if (tb[NL80211_ATTR_IE]) {
1320                         ies = nla_data(tb[NL80211_ATTR_IE]);
1321                         ies_len = nla_len(tb[NL80211_ATTR_IE]);
1322                 }
1323                 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
1324                 drv_event_assoc(bss->ctx, addr, ies, ies_len, 0);
1325                 return;
1326         }
1327
1328         if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1329                 return;
1330
1331         os_memset(&data, 0, sizeof(data));
1332         os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
1333         wpa_supplicant_event(bss->ctx, EVENT_IBSS_RSN_START, &data);
1334 }
1335
1336
1337 static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
1338                                       struct i802_bss *bss,
1339                                       struct nlattr **tb)
1340 {
1341         u8 *addr;
1342         union wpa_event_data data;
1343
1344         if (tb[NL80211_ATTR_MAC] == NULL)
1345                 return;
1346         addr = nla_data(tb[NL80211_ATTR_MAC]);
1347         wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
1348                    MAC2STR(addr));
1349
1350         if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1351                 drv_event_disassoc(bss->ctx, addr);
1352                 return;
1353         }
1354
1355         if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1356                 return;
1357
1358         os_memset(&data, 0, sizeof(data));
1359         os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
1360         wpa_supplicant_event(bss->ctx, EVENT_IBSS_PEER_LOST, &data);
1361 }
1362
1363
1364 static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
1365                                         struct nlattr **tb)
1366 {
1367         struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
1368         static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
1369                 [NL80211_REKEY_DATA_KEK] = {
1370                         .minlen = NL80211_KEK_LEN,
1371                         .maxlen = NL80211_KEK_LEN,
1372                 },
1373                 [NL80211_REKEY_DATA_KCK] = {
1374                         .minlen = NL80211_KCK_LEN,
1375                         .maxlen = NL80211_KCK_LEN,
1376                 },
1377                 [NL80211_REKEY_DATA_REPLAY_CTR] = {
1378                         .minlen = NL80211_REPLAY_CTR_LEN,
1379                         .maxlen = NL80211_REPLAY_CTR_LEN,
1380                 },
1381         };
1382         union wpa_event_data data;
1383
1384         if (!tb[NL80211_ATTR_MAC] ||
1385             !tb[NL80211_ATTR_REKEY_DATA] ||
1386             nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
1387                              tb[NL80211_ATTR_REKEY_DATA], rekey_policy) ||
1388             !rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
1389                 return;
1390
1391         os_memset(&data, 0, sizeof(data));
1392         data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
1393         wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
1394                    MAC2STR(data.driver_gtk_rekey.bssid));
1395         data.driver_gtk_rekey.replay_ctr =
1396                 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
1397         wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
1398                     data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
1399         wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
1400 }
1401
1402
1403 static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
1404                                           struct nlattr **tb)
1405 {
1406         struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
1407         static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
1408                 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
1409                 [NL80211_PMKSA_CANDIDATE_BSSID] = {
1410                         .minlen = ETH_ALEN,
1411                         .maxlen = ETH_ALEN,
1412                 },
1413                 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
1414         };
1415         union wpa_event_data data;
1416
1417         wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
1418
1419         if (!tb[NL80211_ATTR_PMKSA_CANDIDATE] ||
1420             nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
1421                              tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy) ||
1422             !cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
1423             !cand[NL80211_PMKSA_CANDIDATE_BSSID])
1424                 return;
1425
1426         os_memset(&data, 0, sizeof(data));
1427         os_memcpy(data.pmkid_candidate.bssid,
1428                   nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
1429         data.pmkid_candidate.index =
1430                 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
1431         data.pmkid_candidate.preauth =
1432                 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
1433         wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
1434 }
1435
1436
1437 static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
1438                                        struct nlattr **tb)
1439 {
1440         union wpa_event_data data;
1441         const u8 *addr;
1442         u64 cookie = 0;
1443
1444         addr = nla_data(tb[NL80211_ATTR_MAC]);
1445         if (!addr)
1446                 return;
1447         if (tb[NL80211_ATTR_COOKIE])
1448                 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1449         wpa_printf(MSG_DEBUG, "nl80211: Probe client event (addr=" MACSTR
1450                    " ack=%d cookie=%llu)", MAC2STR(addr),
1451                    tb[NL80211_ATTR_ACK] != NULL,
1452                    (long long unsigned int) cookie);
1453         if (!tb[NL80211_ATTR_ACK])
1454                 return;
1455
1456         os_memset(&data, 0, sizeof(data));
1457         os_memcpy(data.client_poll.addr, addr, ETH_ALEN);
1458         wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
1459 }
1460
1461
1462 static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
1463                                     struct nlattr **tb)
1464 {
1465         union wpa_event_data data;
1466
1467         wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
1468
1469         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
1470                 return;
1471
1472         os_memset(&data, 0, sizeof(data));
1473         os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1474         switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
1475         case NL80211_TDLS_SETUP:
1476                 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
1477                            MACSTR, MAC2STR(data.tdls.peer));
1478                 data.tdls.oper = TDLS_REQUEST_SETUP;
1479                 break;
1480         case NL80211_TDLS_TEARDOWN:
1481                 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
1482                            MACSTR, MAC2STR(data.tdls.peer));
1483                 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
1484                 break;
1485         case NL80211_TDLS_DISCOVERY_REQ:
1486                 wpa_printf(MSG_DEBUG,
1487                            "nl80211: TDLS discovery request for peer " MACSTR,
1488                            MAC2STR(data.tdls.peer));
1489                 data.tdls.oper = TDLS_REQUEST_DISCOVER;
1490                 break;
1491         default:
1492                 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
1493                            "event");
1494                 return;
1495         }
1496         if (tb[NL80211_ATTR_REASON_CODE]) {
1497                 data.tdls.reason_code =
1498                         nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
1499         }
1500
1501         wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
1502 }
1503
1504
1505 static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
1506                             struct nlattr **tb)
1507 {
1508         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
1509 }
1510
1511
1512 static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
1513                                          struct nlattr **tb)
1514 {
1515         union wpa_event_data data;
1516         u32 reason;
1517
1518         wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
1519
1520         if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
1521                 return;
1522
1523         os_memset(&data, 0, sizeof(data));
1524         os_memcpy(data.connect_failed_reason.addr,
1525                   nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1526
1527         reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
1528         switch (reason) {
1529         case NL80211_CONN_FAIL_MAX_CLIENTS:
1530                 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
1531                 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
1532                 break;
1533         case NL80211_CONN_FAIL_BLOCKED_CLIENT:
1534                 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
1535                            " tried to connect",
1536                            MAC2STR(data.connect_failed_reason.addr));
1537                 data.connect_failed_reason.code = BLOCKED_CLIENT;
1538                 break;
1539         default:
1540                 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
1541                            "%u", reason);
1542                 return;
1543         }
1544
1545         wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
1546 }
1547
1548
1549 static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
1550                                 struct nlattr **tb)
1551 {
1552         union wpa_event_data data;
1553         enum nl80211_radar_event event_type;
1554
1555         if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
1556                 return;
1557
1558         os_memset(&data, 0, sizeof(data));
1559         data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1560         event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
1561
1562         /* Check HT params */
1563         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1564                 data.dfs_event.ht_enabled = 1;
1565                 data.dfs_event.chan_offset = 0;
1566
1567                 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1568                 case NL80211_CHAN_NO_HT:
1569                         data.dfs_event.ht_enabled = 0;
1570                         break;
1571                 case NL80211_CHAN_HT20:
1572                         break;
1573                 case NL80211_CHAN_HT40PLUS:
1574                         data.dfs_event.chan_offset = 1;
1575                         break;
1576                 case NL80211_CHAN_HT40MINUS:
1577                         data.dfs_event.chan_offset = -1;
1578                         break;
1579                 }
1580         }
1581
1582         /* Get VHT params */
1583         if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1584                 data.dfs_event.chan_width =
1585                         convert2width(nla_get_u32(
1586                                               tb[NL80211_ATTR_CHANNEL_WIDTH]));
1587         if (tb[NL80211_ATTR_CENTER_FREQ1])
1588                 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1589         if (tb[NL80211_ATTR_CENTER_FREQ2])
1590                 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1591
1592         wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1593                    data.dfs_event.freq, data.dfs_event.ht_enabled,
1594                    data.dfs_event.chan_offset, data.dfs_event.chan_width,
1595                    data.dfs_event.cf1, data.dfs_event.cf2);
1596
1597         switch (event_type) {
1598         case NL80211_RADAR_DETECTED:
1599                 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1600                 break;
1601         case NL80211_RADAR_CAC_FINISHED:
1602                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1603                 break;
1604         case NL80211_RADAR_CAC_ABORTED:
1605                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1606                 break;
1607         case NL80211_RADAR_NOP_FINISHED:
1608                 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1609                 break;
1610         case NL80211_RADAR_PRE_CAC_EXPIRED:
1611                 wpa_supplicant_event(drv->ctx, EVENT_DFS_PRE_CAC_EXPIRED,
1612                                      &data);
1613                 break;
1614         case NL80211_RADAR_CAC_STARTED:
1615                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
1616                 break;
1617         default:
1618                 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
1619                            "received", event_type);
1620                 break;
1621         }
1622 }
1623
1624
1625 static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
1626                                    int wds)
1627 {
1628         struct wpa_driver_nl80211_data *drv = bss->drv;
1629         union wpa_event_data event;
1630
1631         if (!tb[NL80211_ATTR_MAC])
1632                 return;
1633
1634         os_memset(&event, 0, sizeof(event));
1635         event.rx_from_unknown.bssid = bss->addr;
1636         event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
1637         event.rx_from_unknown.wds = wds;
1638
1639         wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
1640 }
1641
1642
1643 #ifdef CONFIG_DRIVER_NL80211_QCA
1644
1645 static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
1646                                    const u8 *data, size_t len)
1647 {
1648         u32 i, count;
1649         union wpa_event_data event;
1650         struct wpa_freq_range *range = NULL;
1651         const struct qca_avoid_freq_list *freq_range;
1652
1653         freq_range = (const struct qca_avoid_freq_list *) data;
1654         if (len < sizeof(freq_range->count))
1655                 return;
1656
1657         count = freq_range->count;
1658         if (len < sizeof(freq_range->count) +
1659             count * sizeof(struct qca_avoid_freq_range)) {
1660                 wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
1661                            (unsigned int) len);
1662                 return;
1663         }
1664
1665         if (count > 0) {
1666                 range = os_calloc(count, sizeof(struct wpa_freq_range));
1667                 if (range == NULL)
1668                         return;
1669         }
1670
1671         os_memset(&event, 0, sizeof(event));
1672         for (i = 0; i < count; i++) {
1673                 unsigned int idx = event.freq_range.num;
1674                 range[idx].min = freq_range->range[i].start_freq;
1675                 range[idx].max = freq_range->range[i].end_freq;
1676                 wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
1677                            range[idx].min, range[idx].max);
1678                 if (range[idx].min > range[idx].max) {
1679                         wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
1680                         continue;
1681                 }
1682                 event.freq_range.num++;
1683         }
1684         event.freq_range.range = range;
1685
1686         wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
1687
1688         os_free(range);
1689 }
1690
1691
1692 static enum hostapd_hw_mode get_qca_hw_mode(u8 hw_mode)
1693 {
1694         switch (hw_mode) {
1695         case QCA_ACS_MODE_IEEE80211B:
1696                 return HOSTAPD_MODE_IEEE80211B;
1697         case QCA_ACS_MODE_IEEE80211G:
1698                 return HOSTAPD_MODE_IEEE80211G;
1699         case QCA_ACS_MODE_IEEE80211A:
1700                 return HOSTAPD_MODE_IEEE80211A;
1701         case QCA_ACS_MODE_IEEE80211AD:
1702                 return HOSTAPD_MODE_IEEE80211AD;
1703         case QCA_ACS_MODE_IEEE80211ANY:
1704                 return HOSTAPD_MODE_IEEE80211ANY;
1705         default:
1706                 return NUM_HOSTAPD_MODES;
1707         }
1708 }
1709
1710
1711 static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
1712                                    const u8 *data, size_t len)
1713 {
1714         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1];
1715         union wpa_event_data event;
1716
1717         wpa_printf(MSG_DEBUG,
1718                    "nl80211: ACS channel selection vendor event received");
1719
1720         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ACS_MAX,
1721                       (struct nlattr *) data, len, NULL) ||
1722             !tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL] ||
1723             !tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL])
1724                 return;
1725
1726         os_memset(&event, 0, sizeof(event));
1727         event.acs_selected_channels.pri_channel =
1728                 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL]);
1729         event.acs_selected_channels.sec_channel =
1730                 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]);
1731         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
1732                 event.acs_selected_channels.vht_seg0_center_ch =
1733                         nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL]);
1734         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
1735                 event.acs_selected_channels.vht_seg1_center_ch =
1736                         nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG1_CENTER_CHANNEL]);
1737         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH])
1738                 event.acs_selected_channels.ch_width =
1739                         nla_get_u16(tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH]);
1740         if (tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]) {
1741                 u8 hw_mode = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]);
1742
1743                 event.acs_selected_channels.hw_mode = get_qca_hw_mode(hw_mode);
1744                 if (event.acs_selected_channels.hw_mode == NUM_HOSTAPD_MODES ||
1745                     event.acs_selected_channels.hw_mode ==
1746                     HOSTAPD_MODE_IEEE80211ANY) {
1747                         wpa_printf(MSG_DEBUG,
1748                                    "nl80211: Invalid hw_mode %d in ACS selection event",
1749                                    hw_mode);
1750                         return;
1751                 }
1752         }
1753
1754         wpa_printf(MSG_INFO,
1755                    "nl80211: ACS Results: PCH: %d SCH: %d BW: %d VHT0: %d VHT1: %d HW_MODE: %d",
1756                    event.acs_selected_channels.pri_channel,
1757                    event.acs_selected_channels.sec_channel,
1758                    event.acs_selected_channels.ch_width,
1759                    event.acs_selected_channels.vht_seg0_center_ch,
1760                    event.acs_selected_channels.vht_seg1_center_ch,
1761                    event.acs_selected_channels.hw_mode);
1762
1763         /* Ignore ACS channel list check for backwards compatibility */
1764
1765         wpa_supplicant_event(drv->ctx, EVENT_ACS_CHANNEL_SELECTED, &event);
1766 }
1767
1768
1769 static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
1770                                       const u8 *data, size_t len)
1771 {
1772         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX + 1];
1773         u8 *bssid;
1774
1775         wpa_printf(MSG_DEBUG,
1776                    "nl80211: Key management roam+auth vendor event received");
1777
1778         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX,
1779                       (struct nlattr *) data, len, NULL) ||
1780             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID] ||
1781             nla_len(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]) != ETH_ALEN ||
1782             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE] ||
1783             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE] ||
1784             !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED])
1785                 return;
1786
1787         bssid = nla_data(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]);
1788         wpa_printf(MSG_DEBUG, "  * roam BSSID " MACSTR, MAC2STR(bssid));
1789
1790         mlme_event_connect(drv, NL80211_CMD_ROAM, NULL,
1791                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID],
1792                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE],
1793                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE],
1794                            NULL, NULL,
1795                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED],
1796                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR],
1797                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK],
1798                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK],
1799                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS],
1800                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_FILS_ERP_NEXT_SEQ_NUM],
1801                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PMK],
1802                            tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PMKID]);
1803 }
1804
1805
1806 static void qca_nl80211_dfs_offload_radar_event(
1807         struct wpa_driver_nl80211_data *drv, u32 subcmd, u8 *msg, int length)
1808 {
1809         union wpa_event_data data;
1810         struct nlattr *tb[NL80211_ATTR_MAX + 1];
1811
1812         wpa_printf(MSG_DEBUG,
1813                    "nl80211: DFS offload radar vendor event received");
1814
1815         if (nla_parse(tb, NL80211_ATTR_MAX,
1816                       (struct nlattr *) msg, length, NULL))
1817                 return;
1818
1819         if (!tb[NL80211_ATTR_WIPHY_FREQ]) {
1820                 wpa_printf(MSG_INFO,
1821                            "nl80211: Error parsing WIPHY_FREQ in FS offload radar vendor event");
1822                 return;
1823         }
1824
1825         os_memset(&data, 0, sizeof(data));
1826         data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1827
1828         wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz",
1829                    data.dfs_event.freq);
1830
1831         /* Check HT params */
1832         if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1833                 data.dfs_event.ht_enabled = 1;
1834                 data.dfs_event.chan_offset = 0;
1835
1836                 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1837                 case NL80211_CHAN_NO_HT:
1838                         data.dfs_event.ht_enabled = 0;
1839                         break;
1840                 case NL80211_CHAN_HT20:
1841                         break;
1842                 case NL80211_CHAN_HT40PLUS:
1843                         data.dfs_event.chan_offset = 1;
1844                         break;
1845                 case NL80211_CHAN_HT40MINUS:
1846                         data.dfs_event.chan_offset = -1;
1847                         break;
1848                 }
1849         }
1850
1851         /* Get VHT params */
1852         if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1853                 data.dfs_event.chan_width =
1854                         convert2width(nla_get_u32(
1855                                               tb[NL80211_ATTR_CHANNEL_WIDTH]));
1856         if (tb[NL80211_ATTR_CENTER_FREQ1])
1857                 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1858         if (tb[NL80211_ATTR_CENTER_FREQ2])
1859                 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1860
1861         wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, "
1862                     "offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1863                     data.dfs_event.freq, data.dfs_event.ht_enabled,
1864                     data.dfs_event.chan_offset, data.dfs_event.chan_width,
1865                     data.dfs_event.cf1, data.dfs_event.cf2);
1866
1867         switch (subcmd) {
1868         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
1869                 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1870                 break;
1871         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
1872                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
1873                 break;
1874         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
1875                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1876                 break;
1877         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
1878                 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1879                 break;
1880         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
1881                 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1882                 break;
1883         default:
1884                 wpa_printf(MSG_DEBUG,
1885                            "nl80211: Unknown DFS offload radar event %d received",
1886                            subcmd);
1887                 break;
1888         }
1889 }
1890
1891
1892 static void qca_nl80211_scan_trigger_event(struct wpa_driver_nl80211_data *drv,
1893                                            u8 *data, size_t len)
1894 {
1895         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
1896         u64 cookie = 0;
1897         union wpa_event_data event;
1898         struct scan_info *info;
1899
1900         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
1901                       (struct nlattr *) data, len, NULL) ||
1902             !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
1903                 return;
1904
1905         cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
1906         if (cookie != drv->vendor_scan_cookie) {
1907                 /* External scan trigger event, ignore */
1908                 return;
1909         }
1910
1911         /* Cookie match, own scan */
1912         os_memset(&event, 0, sizeof(event));
1913         info = &event.scan_info;
1914         info->external_scan = 0;
1915         info->nl_scan_event = 0;
1916
1917         drv->scan_state = SCAN_STARTED;
1918         wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, &event);
1919 }
1920
1921
1922 static void send_vendor_scan_event(struct wpa_driver_nl80211_data *drv,
1923                                    int aborted, struct nlattr *tb[],
1924                                    int external_scan)
1925 {
1926         union wpa_event_data event;
1927         struct nlattr *nl;
1928         int rem;
1929         struct scan_info *info;
1930         int freqs[MAX_REPORT_FREQS];
1931         int num_freqs = 0;
1932
1933         os_memset(&event, 0, sizeof(event));
1934         info = &event.scan_info;
1935         info->aborted = aborted;
1936         info->external_scan = external_scan;
1937
1938         if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS]) {
1939                 nla_for_each_nested(nl,
1940                                     tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS], rem) {
1941                         struct wpa_driver_scan_ssid *s =
1942                                 &info->ssids[info->num_ssids];
1943                         s->ssid = nla_data(nl);
1944                         s->ssid_len = nla_len(nl);
1945                         wpa_printf(MSG_DEBUG,
1946                                    "nl80211: Scan probed for SSID '%s'",
1947                                    wpa_ssid_txt(s->ssid, s->ssid_len));
1948                         info->num_ssids++;
1949                         if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1950                                 break;
1951                 }
1952         }
1953
1954         if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES]) {
1955                 char msg[300], *pos, *end;
1956                 int res;
1957
1958                 pos = msg;
1959                 end = pos + sizeof(msg);
1960                 *pos = '\0';
1961
1962                 nla_for_each_nested(nl,
1963                                     tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES],
1964                                     rem) {
1965                         freqs[num_freqs] = nla_get_u32(nl);
1966                         res = os_snprintf(pos, end - pos, " %d",
1967                                           freqs[num_freqs]);
1968                         if (!os_snprintf_error(end - pos, res))
1969                                 pos += res;
1970                         num_freqs++;
1971                         if (num_freqs == MAX_REPORT_FREQS - 1)
1972                                 break;
1973                 }
1974
1975                 info->freqs = freqs;
1976                 info->num_freqs = num_freqs;
1977                 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1978                            msg);
1979         }
1980         wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1981 }
1982
1983
1984 static void qca_nl80211_scan_done_event(struct wpa_driver_nl80211_data *drv,
1985                                         u8 *data, size_t len)
1986 {
1987         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
1988         u64 cookie = 0;
1989         enum scan_status status;
1990         int external_scan;
1991
1992         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
1993                       (struct nlattr *) data, len, NULL) ||
1994             !tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS] ||
1995             !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
1996                 return;
1997
1998         status = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS]);
1999         if (status >= VENDOR_SCAN_STATUS_MAX)
2000                 return; /* invalid status */
2001
2002         cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
2003         if (cookie != drv->vendor_scan_cookie) {
2004                 /* Event from an external scan, get scan results */
2005                 external_scan = 1;
2006         } else {
2007                 external_scan = 0;
2008                 if (status == VENDOR_SCAN_STATUS_NEW_RESULTS)
2009                         drv->scan_state = SCAN_COMPLETED;
2010                 else
2011                         drv->scan_state = SCAN_ABORTED;
2012
2013                 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2014                                      drv->ctx);
2015                 drv->vendor_scan_cookie = 0;
2016                 drv->last_scan_cmd = 0;
2017         }
2018
2019         send_vendor_scan_event(drv, (status == VENDOR_SCAN_STATUS_ABORTED), tb,
2020                                external_scan);
2021 }
2022
2023
2024 static void qca_nl80211_p2p_lo_stop_event(struct wpa_driver_nl80211_data *drv,
2025                                           u8 *data, size_t len)
2026 {
2027         struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_MAX + 1];
2028         union wpa_event_data event;
2029
2030         wpa_printf(MSG_DEBUG,
2031                    "nl80211: P2P listen offload stop vendor event received");
2032
2033         if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_MAX,
2034                       (struct nlattr *) data, len, NULL) ||
2035             !tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_STOP_REASON])
2036                 return;
2037
2038         os_memset(&event, 0, sizeof(event));
2039         event.p2p_lo_stop.reason_code =
2040                 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_STOP_REASON]);
2041
2042         wpa_printf(MSG_DEBUG,
2043                    "nl80211: P2P Listen offload stop reason: %d",
2044                    event.p2p_lo_stop.reason_code);
2045         wpa_supplicant_event(drv->ctx, EVENT_P2P_LO_STOP, &event);
2046 }
2047
2048 #endif /* CONFIG_DRIVER_NL80211_QCA */
2049
2050
2051 static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
2052                                      u32 subcmd, u8 *data, size_t len)
2053 {
2054         switch (subcmd) {
2055         case QCA_NL80211_VENDOR_SUBCMD_TEST:
2056                 wpa_hexdump(MSG_DEBUG, "nl80211: QCA test event", data, len);
2057                 break;
2058 #ifdef CONFIG_DRIVER_NL80211_QCA
2059         case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
2060                 qca_nl80211_avoid_freq(drv, data, len);
2061                 break;
2062         case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH:
2063                 qca_nl80211_key_mgmt_auth(drv, data, len);
2064                 break;
2065         case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
2066                 qca_nl80211_acs_select_ch(drv, data, len);
2067                 break;
2068         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
2069         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
2070         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
2071         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
2072         case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
2073                 qca_nl80211_dfs_offload_radar_event(drv, subcmd, data, len);
2074                 break;
2075         case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
2076                 qca_nl80211_scan_trigger_event(drv, data, len);
2077                 break;
2078         case QCA_NL80211_VENDOR_SUBCMD_SCAN_DONE:
2079                 qca_nl80211_scan_done_event(drv, data, len);
2080                 break;
2081         case QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP:
2082                 qca_nl80211_p2p_lo_stop_event(drv, data, len);
2083                 break;
2084 #endif /* CONFIG_DRIVER_NL80211_QCA */
2085         default:
2086                 wpa_printf(MSG_DEBUG,
2087                            "nl80211: Ignore unsupported QCA vendor event %u",
2088                            subcmd);
2089                 break;
2090         }
2091 }
2092
2093
2094 static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
2095                                  struct nlattr **tb)
2096 {
2097         u32 vendor_id, subcmd, wiphy = 0;
2098         int wiphy_idx;
2099         u8 *data = NULL;
2100         size_t len = 0;
2101
2102         if (!tb[NL80211_ATTR_VENDOR_ID] ||
2103             !tb[NL80211_ATTR_VENDOR_SUBCMD])
2104                 return;
2105
2106         vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
2107         subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
2108
2109         if (tb[NL80211_ATTR_WIPHY])
2110                 wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2111
2112         wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
2113                    wiphy, vendor_id, subcmd);
2114
2115         if (tb[NL80211_ATTR_VENDOR_DATA]) {
2116                 data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
2117                 len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
2118                 wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
2119         }
2120
2121         wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
2122         if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
2123                 wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
2124                            wiphy, wiphy_idx);
2125                 return;
2126         }
2127
2128         switch (vendor_id) {
2129         case OUI_QCA:
2130                 nl80211_vendor_event_qca(drv, subcmd, data, len);
2131                 break;
2132         default:
2133                 wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
2134                 break;
2135         }
2136 }
2137
2138
2139 static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv,
2140                                      struct nlattr *tb[])
2141 {
2142         union wpa_event_data data;
2143         enum nl80211_reg_initiator init;
2144
2145         wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
2146
2147         if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
2148                 return;
2149
2150         os_memset(&data, 0, sizeof(data));
2151         init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]);
2152         wpa_printf(MSG_DEBUG, " * initiator=%d", init);
2153         switch (init) {
2154         case NL80211_REGDOM_SET_BY_CORE:
2155                 data.channel_list_changed.initiator = REGDOM_SET_BY_CORE;
2156                 break;
2157         case NL80211_REGDOM_SET_BY_USER:
2158                 data.channel_list_changed.initiator = REGDOM_SET_BY_USER;
2159                 break;
2160         case NL80211_REGDOM_SET_BY_DRIVER:
2161                 data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER;
2162                 break;
2163         case NL80211_REGDOM_SET_BY_COUNTRY_IE:
2164                 data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE;
2165                 break;
2166         }
2167
2168         if (tb[NL80211_ATTR_REG_TYPE]) {
2169                 enum nl80211_reg_type type;
2170                 type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
2171                 wpa_printf(MSG_DEBUG, " * type=%d", type);
2172                 switch (type) {
2173                 case NL80211_REGDOM_TYPE_COUNTRY:
2174                         data.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
2175                         break;
2176                 case NL80211_REGDOM_TYPE_WORLD:
2177                         data.channel_list_changed.type = REGDOM_TYPE_WORLD;
2178                         break;
2179                 case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
2180                         data.channel_list_changed.type =
2181                                 REGDOM_TYPE_CUSTOM_WORLD;
2182                         break;
2183                 case NL80211_REGDOM_TYPE_INTERSECTION:
2184                         data.channel_list_changed.type =
2185                                 REGDOM_TYPE_INTERSECTION;
2186                         break;
2187                 }
2188         }
2189
2190         if (tb[NL80211_ATTR_REG_ALPHA2]) {
2191                 os_strlcpy(data.channel_list_changed.alpha2,
2192                            nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
2193                            sizeof(data.channel_list_changed.alpha2));
2194                 wpa_printf(MSG_DEBUG, " * alpha2=%s",
2195                            data.channel_list_changed.alpha2);
2196         }
2197
2198         wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
2199 }
2200
2201
2202 static void nl80211_dump_freq(const char *title, struct nlattr *nl_freq)
2203 {
2204         static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2205                 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
2206                 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
2207                 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
2208                 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
2209                 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
2210         };
2211         struct nlattr *tb[NL80211_FREQUENCY_ATTR_MAX + 1];
2212         u32 freq = 0, max_tx_power = 0;
2213
2214         nla_parse(tb, NL80211_FREQUENCY_ATTR_MAX,
2215                   nla_data(nl_freq), nla_len(nl_freq), freq_policy);
2216
2217         if (tb[NL80211_FREQUENCY_ATTR_FREQ])
2218                 freq = nla_get_u32(tb[NL80211_FREQUENCY_ATTR_FREQ]);
2219         if (tb[NL80211_FREQUENCY_ATTR_MAX_TX_POWER])
2220                 max_tx_power =
2221                         nla_get_u32(tb[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]);
2222
2223         wpa_printf(MSG_DEBUG,
2224                    "nl80211: Channel (%s): freq=%u max_tx_power=%u%s%s%s",
2225                    title, freq, max_tx_power,
2226                    tb[NL80211_FREQUENCY_ATTR_DISABLED] ? " disabled" : "",
2227                    tb[NL80211_FREQUENCY_ATTR_NO_IR] ? " no-IR" : "",
2228                    tb[NL80211_FREQUENCY_ATTR_RADAR] ? " radar" : "");
2229 }
2230
2231
2232 static void nl80211_reg_beacon_hint_event(struct wpa_driver_nl80211_data *drv,
2233                                            struct nlattr *tb[])
2234 {
2235         union wpa_event_data data;
2236
2237         wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2238         os_memset(&data, 0, sizeof(data));
2239         data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
2240
2241         if (tb[NL80211_ATTR_FREQ_BEFORE])
2242                 nl80211_dump_freq("before", tb[NL80211_ATTR_FREQ_BEFORE]);
2243         if (tb[NL80211_ATTR_FREQ_AFTER])
2244                 nl80211_dump_freq("after", tb[NL80211_ATTR_FREQ_AFTER]);
2245
2246         wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
2247 }
2248
2249
2250 static void nl80211_external_auth(struct wpa_driver_nl80211_data *drv,
2251                                   struct nlattr **tb)
2252 {
2253         union wpa_event_data event;
2254         enum nl80211_external_auth_action act;
2255
2256         if (!tb[NL80211_ATTR_AKM_SUITES] ||
2257             !tb[NL80211_ATTR_EXTERNAL_AUTH_ACTION] ||
2258             !tb[NL80211_ATTR_BSSID] ||
2259             !tb[NL80211_ATTR_SSID])
2260                 return;
2261
2262         os_memset(&event, 0, sizeof(event));
2263         act = nla_get_u32(tb[NL80211_ATTR_EXTERNAL_AUTH_ACTION]);
2264         switch (act) {
2265         case NL80211_EXTERNAL_AUTH_START:
2266                 event.external_auth.action = EXT_AUTH_START;
2267                 break;
2268         case NL80211_EXTERNAL_AUTH_ABORT:
2269                 event.external_auth.action = EXT_AUTH_ABORT;
2270                 break;
2271         default:
2272                 return;
2273         }
2274
2275         event.external_auth.key_mgmt_suite =
2276                 nla_get_u32(tb[NL80211_ATTR_AKM_SUITES]);
2277
2278         event.external_auth.ssid_len = nla_len(tb[NL80211_ATTR_SSID]);
2279         if (event.external_auth.ssid_len > SSID_MAX_LEN)
2280                 return;
2281         event.external_auth.ssid = nla_data(tb[NL80211_ATTR_SSID]);
2282
2283         event.external_auth.bssid = nla_data(tb[NL80211_ATTR_BSSID]);
2284
2285         wpa_printf(MSG_DEBUG,
2286                    "nl80211: External auth action: %u, AKM: 0x%x",
2287                    event.external_auth.action,
2288                    event.external_auth.key_mgmt_suite);
2289         wpa_supplicant_event(drv->ctx, EVENT_EXTERNAL_AUTH, &event);
2290 }
2291
2292
2293 static void nl80211_port_authorized(struct wpa_driver_nl80211_data *drv,
2294                                     struct nlattr **tb)
2295 {
2296         const u8 *addr;
2297
2298         if (!tb[NL80211_ATTR_MAC] ||
2299             nla_len(tb[NL80211_ATTR_MAC]) != ETH_ALEN) {
2300                 wpa_printf(MSG_DEBUG,
2301                            "nl80211: Ignore port authorized event without BSSID");
2302                 return;
2303         }
2304
2305         addr = nla_data(tb[NL80211_ATTR_MAC]);
2306         if (os_memcmp(addr, drv->bssid, ETH_ALEN) != 0) {
2307                 wpa_printf(MSG_DEBUG,
2308                            "nl80211: Ignore port authorized event for " MACSTR
2309                            " (not the currently connected BSSID " MACSTR ")",
2310                            MAC2STR(addr), MAC2STR(drv->bssid));
2311                 return;
2312         }
2313
2314         wpa_supplicant_event(drv->ctx, EVENT_PORT_AUTHORIZED, NULL);
2315 }
2316
2317
2318 static void nl80211_sta_opmode_change_event(struct wpa_driver_nl80211_data *drv,
2319                                             struct nlattr **tb)
2320 {
2321         union wpa_event_data ed;
2322         u8 smps_mode, max_bw;
2323
2324         if (!tb[NL80211_ATTR_MAC] ||
2325             (!tb[NL80211_ATTR_CHANNEL_WIDTH] &&
2326              !tb[NL80211_ATTR_SMPS_MODE] &&
2327              !tb[NL80211_ATTR_NSS]))
2328                 return;
2329
2330         ed.sta_opmode.smps_mode = SMPS_INVALID;
2331         ed.sta_opmode.chan_width = CHAN_WIDTH_UNKNOWN;
2332         ed.sta_opmode.rx_nss = 0xff;
2333         ed.sta_opmode.addr = nla_data(tb[NL80211_ATTR_MAC]);
2334
2335         if (tb[NL80211_ATTR_SMPS_MODE]) {
2336                 smps_mode = nla_get_u8(tb[NL80211_ATTR_SMPS_MODE]);
2337                 switch (smps_mode) {
2338                 case NL80211_SMPS_OFF:
2339                         ed.sta_opmode.smps_mode = SMPS_OFF;
2340                         break;
2341                 case NL80211_SMPS_STATIC:
2342                         ed.sta_opmode.smps_mode = SMPS_STATIC;
2343                         break;
2344                 case NL80211_SMPS_DYNAMIC:
2345                         ed.sta_opmode.smps_mode = SMPS_DYNAMIC;
2346                         break;
2347                 default:
2348                         ed.sta_opmode.smps_mode = SMPS_INVALID;
2349                         break;
2350                 }
2351         }
2352
2353         if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
2354                 max_bw = nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]);
2355                 switch (max_bw) {
2356                 case NL80211_CHAN_WIDTH_20_NOHT:
2357                         ed.sta_opmode.chan_width = CHAN_WIDTH_20_NOHT;
2358                         break;
2359                 case NL80211_CHAN_WIDTH_20:
2360                         ed.sta_opmode.chan_width = CHAN_WIDTH_20;
2361                         break;
2362                 case NL80211_CHAN_WIDTH_40:
2363                         ed.sta_opmode.chan_width = CHAN_WIDTH_40;
2364                         break;
2365                 case NL80211_CHAN_WIDTH_80:
2366                         ed.sta_opmode.chan_width = CHAN_WIDTH_80;
2367                         break;
2368                 case NL80211_CHAN_WIDTH_80P80:
2369                         ed.sta_opmode.chan_width = CHAN_WIDTH_80P80;
2370                         break;
2371                 case NL80211_CHAN_WIDTH_160:
2372                         ed.sta_opmode.chan_width = CHAN_WIDTH_160;
2373                         break;
2374                 default:
2375                         ed.sta_opmode.chan_width = CHAN_WIDTH_UNKNOWN;
2376                         break;
2377
2378                 }
2379         }
2380
2381         if (tb[NL80211_ATTR_NSS])
2382                 ed.sta_opmode.rx_nss = nla_get_u8(tb[NL80211_ATTR_NSS]);
2383
2384         wpa_supplicant_event(drv->ctx, EVENT_STATION_OPMODE_CHANGED, &ed);
2385 }
2386
2387
2388 static void do_process_drv_event(struct i802_bss *bss, int cmd,
2389                                  struct nlattr **tb)
2390 {
2391         struct wpa_driver_nl80211_data *drv = bss->drv;
2392         int external_scan_event = 0;
2393
2394         wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
2395                    cmd, nl80211_command_to_string(cmd), bss->ifname);
2396
2397         if (cmd == NL80211_CMD_ROAM &&
2398             (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2399                 /*
2400                  * Device will use roam+auth vendor event to indicate
2401                  * roaming, so ignore the regular roam event.
2402                  */
2403                 wpa_printf(MSG_DEBUG,
2404                            "nl80211: Ignore roam event (cmd=%d), device will use vendor event roam+auth",
2405                            cmd);
2406                 return;
2407         }
2408
2409         if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
2410             (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2411              cmd == NL80211_CMD_SCAN_ABORTED)) {
2412                 wpa_driver_nl80211_set_mode(drv->first_bss,
2413                                             drv->ap_scan_as_station);
2414                 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
2415         }
2416
2417         switch (cmd) {
2418         case NL80211_CMD_TRIGGER_SCAN:
2419                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
2420                 drv->scan_state = SCAN_STARTED;
2421                 if (drv->scan_for_auth) {
2422                         /*
2423                          * Cannot indicate EVENT_SCAN_STARTED here since we skip
2424                          * EVENT_SCAN_RESULTS in scan_for_auth case and the
2425                          * upper layer implementation could get confused about
2426                          * scanning state.
2427                          */
2428                         wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth");
2429                         break;
2430                 }
2431                 wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
2432                 break;
2433         case NL80211_CMD_START_SCHED_SCAN:
2434                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
2435                 drv->scan_state = SCHED_SCAN_STARTED;
2436                 break;
2437         case NL80211_CMD_SCHED_SCAN_STOPPED:
2438                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
2439                 drv->scan_state = SCHED_SCAN_STOPPED;
2440                 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2441                 break;
2442         case NL80211_CMD_NEW_SCAN_RESULTS:
2443                 wpa_dbg(drv->ctx, MSG_DEBUG,
2444                         "nl80211: New scan results available");
2445                 if (drv->last_scan_cmd != NL80211_CMD_VENDOR)
2446                         drv->scan_state = SCAN_COMPLETED;
2447                 drv->scan_complete_events = 1;
2448                 if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2449                         eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2450                                              drv, drv->ctx);
2451                         drv->last_scan_cmd = 0;
2452                 } else {
2453                         external_scan_event = 1;
2454                 }
2455                 send_scan_event(drv, 0, tb, external_scan_event);
2456                 break;
2457         case NL80211_CMD_SCHED_SCAN_RESULTS:
2458                 wpa_dbg(drv->ctx, MSG_DEBUG,
2459                         "nl80211: New sched scan results available");
2460                 drv->scan_state = SCHED_SCAN_RESULTS;
2461                 send_scan_event(drv, 0, tb, 0);
2462                 break;
2463         case NL80211_CMD_SCAN_ABORTED:
2464                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
2465                 if (drv->last_scan_cmd != NL80211_CMD_VENDOR)
2466                         drv->scan_state = SCAN_ABORTED;
2467                 if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2468                         /*
2469                          * Need to indicate that scan results are available in
2470                          * order not to make wpa_supplicant stop its scanning.
2471                          */
2472                         eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2473                                              drv, drv->ctx);
2474                         drv->last_scan_cmd = 0;
2475                 } else {
2476                         external_scan_event = 1;
2477                 }
2478                 send_scan_event(drv, 1, tb, external_scan_event);
2479                 break;
2480         case NL80211_CMD_AUTHENTICATE:
2481         case NL80211_CMD_ASSOCIATE:
2482         case NL80211_CMD_DEAUTHENTICATE:
2483         case NL80211_CMD_DISASSOCIATE:
2484         case NL80211_CMD_FRAME_TX_STATUS:
2485         case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2486         case NL80211_CMD_UNPROT_DISASSOCIATE:
2487                 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
2488                            tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2489                            tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2490                            tb[NL80211_ATTR_COOKIE],
2491                            tb[NL80211_ATTR_RX_SIGNAL_DBM],
2492                            tb[NL80211_ATTR_STA_WME],
2493                            tb[NL80211_ATTR_REQ_IE]);
2494                 break;
2495         case NL80211_CMD_CONNECT:
2496         case NL80211_CMD_ROAM:
2497                 mlme_event_connect(drv, cmd,
2498                                    tb[NL80211_ATTR_STATUS_CODE],
2499                                    tb[NL80211_ATTR_MAC],
2500                                    tb[NL80211_ATTR_REQ_IE],
2501                                    tb[NL80211_ATTR_RESP_IE],
2502                                    tb[NL80211_ATTR_TIMED_OUT],
2503                                    tb[NL80211_ATTR_TIMEOUT_REASON],
2504                                    NULL, NULL, NULL,
2505                                    tb[NL80211_ATTR_FILS_KEK],
2506                                    NULL,
2507                                    tb[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM],
2508                                    tb[NL80211_ATTR_PMK],
2509                                    tb[NL80211_ATTR_PMKID]);
2510                 break;
2511         case NL80211_CMD_CH_SWITCH_NOTIFY:
2512                 mlme_event_ch_switch(drv,
2513                                      tb[NL80211_ATTR_IFINDEX],
2514                                      tb[NL80211_ATTR_WIPHY_FREQ],
2515                                      tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2516                                      tb[NL80211_ATTR_CHANNEL_WIDTH],
2517                                      tb[NL80211_ATTR_CENTER_FREQ1],
2518                                      tb[NL80211_ATTR_CENTER_FREQ2]);
2519                 break;
2520         case NL80211_CMD_DISCONNECT:
2521                 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
2522                                       tb[NL80211_ATTR_MAC],
2523                                       tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
2524                 break;
2525         case NL80211_CMD_MICHAEL_MIC_FAILURE:
2526                 mlme_event_michael_mic_failure(bss, tb);
2527                 break;
2528         case NL80211_CMD_JOIN_IBSS:
2529                 mlme_event_join_ibss(drv, tb);
2530                 break;
2531         case NL80211_CMD_REMAIN_ON_CHANNEL:
2532                 mlme_event_remain_on_channel(drv, 0, tb);
2533                 break;
2534         case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2535                 mlme_event_remain_on_channel(drv, 1, tb);
2536                 break;
2537         case NL80211_CMD_NOTIFY_CQM:
2538                 nl80211_cqm_event(drv, tb);
2539                 break;
2540         case NL80211_CMD_REG_CHANGE:
2541         case NL80211_CMD_WIPHY_REG_CHANGE:
2542                 nl80211_reg_change_event(drv, tb);
2543                 break;
2544         case NL80211_CMD_REG_BEACON_HINT:
2545                 nl80211_reg_beacon_hint_event(drv, tb);
2546                 break;
2547         case NL80211_CMD_NEW_STATION:
2548                 nl80211_new_station_event(drv, bss, tb);
2549                 break;
2550         case NL80211_CMD_DEL_STATION:
2551                 nl80211_del_station_event(drv, bss, tb);
2552                 break;
2553         case NL80211_CMD_SET_REKEY_OFFLOAD:
2554                 nl80211_rekey_offload_event(drv, tb);
2555                 break;
2556         case NL80211_CMD_PMKSA_CANDIDATE:
2557                 nl80211_pmksa_candidate_event(drv, tb);
2558                 break;
2559         case NL80211_CMD_PROBE_CLIENT:
2560                 nl80211_client_probe_event(drv, tb);
2561                 break;
2562         case NL80211_CMD_TDLS_OPER:
2563                 nl80211_tdls_oper_event(drv, tb);
2564                 break;
2565         case NL80211_CMD_CONN_FAILED:
2566                 nl80211_connect_failed_event(drv, tb);
2567                 break;
2568         case NL80211_CMD_FT_EVENT:
2569                 mlme_event_ft_event(drv, tb);
2570                 break;
2571         case NL80211_CMD_RADAR_DETECT:
2572                 nl80211_radar_event(drv, tb);
2573                 break;
2574         case NL80211_CMD_STOP_AP:
2575                 nl80211_stop_ap(drv, tb);
2576                 break;
2577         case NL80211_CMD_VENDOR:
2578                 nl80211_vendor_event(drv, tb);
2579                 break;
2580         case NL80211_CMD_NEW_PEER_CANDIDATE:
2581                 nl80211_new_peer_candidate(drv, tb);
2582                 break;
2583         case NL80211_CMD_PORT_AUTHORIZED:
2584                 nl80211_port_authorized(drv, tb);
2585                 break;
2586         case NL80211_CMD_STA_OPMODE_CHANGED:
2587                 nl80211_sta_opmode_change_event(drv, tb);
2588                 break;
2589         default:
2590                 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
2591                         "(cmd=%d)", cmd);
2592                 break;
2593         }
2594 }
2595
2596
2597 int process_global_event(struct nl_msg *msg, void *arg)
2598 {
2599         struct nl80211_global *global = arg;
2600         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2601         struct nlattr *tb[NL80211_ATTR_MAX + 1];
2602         struct wpa_driver_nl80211_data *drv, *tmp;
2603         int ifidx = -1, wiphy_idx = -1, wiphy_idx_rx = -1;
2604         struct i802_bss *bss;
2605         u64 wdev_id = 0;
2606         int wdev_id_set = 0;
2607         int wiphy_idx_set = 0;
2608
2609         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2610                   genlmsg_attrlen(gnlh, 0), NULL);
2611
2612         if (tb[NL80211_ATTR_IFINDEX])
2613                 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2614         else if (tb[NL80211_ATTR_WDEV]) {
2615                 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2616                 wdev_id_set = 1;
2617         } else if (tb[NL80211_ATTR_WIPHY]) {
2618                 wiphy_idx_rx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2619                 wiphy_idx_set = 1;
2620         }
2621
2622         dl_list_for_each_safe(drv, tmp, &global->interfaces,
2623                               struct wpa_driver_nl80211_data, list) {
2624                 for (bss = drv->first_bss; bss; bss = bss->next) {
2625                         if (wiphy_idx_set)
2626                                 wiphy_idx = nl80211_get_wiphy_index(bss);
2627                         if ((ifidx == -1 && !wiphy_idx_set && !wdev_id_set) ||
2628                             ifidx == bss->ifindex ||
2629                             (wiphy_idx_set && wiphy_idx == wiphy_idx_rx) ||
2630                             (wdev_id_set && bss->wdev_id_set &&
2631                              wdev_id == bss->wdev_id)) {
2632                                 do_process_drv_event(bss, gnlh->cmd, tb);
2633                                 return NL_SKIP;
2634                         }
2635                 }
2636                 wpa_printf(MSG_DEBUG,
2637                            "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d wdev 0x%llx)",
2638                            gnlh->cmd, ifidx, (long long unsigned int) wdev_id);
2639         }
2640
2641         return NL_SKIP;
2642 }
2643
2644
2645 int process_bss_event(struct nl_msg *msg, void *arg)
2646 {
2647         struct i802_bss *bss = arg;
2648         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2649         struct nlattr *tb[NL80211_ATTR_MAX + 1];
2650
2651         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2652                   genlmsg_attrlen(gnlh, 0), NULL);
2653
2654         wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
2655                    gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
2656                    bss->ifname);
2657
2658         switch (gnlh->cmd) {
2659         case NL80211_CMD_FRAME:
2660         case NL80211_CMD_FRAME_TX_STATUS:
2661                 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
2662                            tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2663                            tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2664                            tb[NL80211_ATTR_COOKIE],
2665                            tb[NL80211_ATTR_RX_SIGNAL_DBM],
2666                            tb[NL80211_ATTR_STA_WME], NULL);
2667                 break;
2668         case NL80211_CMD_UNEXPECTED_FRAME:
2669                 nl80211_spurious_frame(bss, tb, 0);
2670                 break;
2671         case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
2672                 nl80211_spurious_frame(bss, tb, 1);
2673                 break;
2674         case NL80211_CMD_EXTERNAL_AUTH:
2675                 nl80211_external_auth(bss->drv, tb);
2676                 break;
2677         default:
2678                 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
2679                            "(cmd=%d)", gnlh->cmd);
2680                 break;
2681         }
2682
2683         return NL_SKIP;
2684 }