| /* |
| * Driver interaction with Linux nl80211/cfg80211 - Event processing |
| * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi> |
| * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> |
| * Copyright (c) 2009-2010, Atheros Communications |
| * |
| * This software may be distributed under the terms of the BSD license. |
| * See README for more details. |
| */ |
| |
| #include "includes.h" |
| #include <netlink/genl/genl.h> |
| |
| #include "utils/common.h" |
| #include "utils/eloop.h" |
| #include "common/qca-vendor.h" |
| #include "common/qca-vendor-attr.h" |
| #include "common/ieee802_11_defs.h" |
| #include "common/ieee802_11_common.h" |
| #include "driver_nl80211.h" |
| |
| |
| static const char * nl80211_command_to_string(enum nl80211_commands cmd) |
| { |
| #define C2S(x) case x: return #x; |
| switch (cmd) { |
| C2S(NL80211_CMD_UNSPEC) |
| C2S(NL80211_CMD_GET_WIPHY) |
| C2S(NL80211_CMD_SET_WIPHY) |
| C2S(NL80211_CMD_NEW_WIPHY) |
| C2S(NL80211_CMD_DEL_WIPHY) |
| C2S(NL80211_CMD_GET_INTERFACE) |
| C2S(NL80211_CMD_SET_INTERFACE) |
| C2S(NL80211_CMD_NEW_INTERFACE) |
| C2S(NL80211_CMD_DEL_INTERFACE) |
| C2S(NL80211_CMD_GET_KEY) |
| C2S(NL80211_CMD_SET_KEY) |
| C2S(NL80211_CMD_NEW_KEY) |
| C2S(NL80211_CMD_DEL_KEY) |
| C2S(NL80211_CMD_GET_BEACON) |
| C2S(NL80211_CMD_SET_BEACON) |
| C2S(NL80211_CMD_START_AP) |
| C2S(NL80211_CMD_STOP_AP) |
| C2S(NL80211_CMD_GET_STATION) |
| C2S(NL80211_CMD_SET_STATION) |
| C2S(NL80211_CMD_NEW_STATION) |
| C2S(NL80211_CMD_DEL_STATION) |
| C2S(NL80211_CMD_GET_MPATH) |
| C2S(NL80211_CMD_SET_MPATH) |
| C2S(NL80211_CMD_NEW_MPATH) |
| C2S(NL80211_CMD_DEL_MPATH) |
| C2S(NL80211_CMD_SET_BSS) |
| C2S(NL80211_CMD_SET_REG) |
| C2S(NL80211_CMD_REQ_SET_REG) |
| C2S(NL80211_CMD_GET_MESH_CONFIG) |
| C2S(NL80211_CMD_SET_MESH_CONFIG) |
| C2S(NL80211_CMD_SET_MGMT_EXTRA_IE) |
| C2S(NL80211_CMD_GET_REG) |
| C2S(NL80211_CMD_GET_SCAN) |
| C2S(NL80211_CMD_TRIGGER_SCAN) |
| C2S(NL80211_CMD_NEW_SCAN_RESULTS) |
| C2S(NL80211_CMD_SCAN_ABORTED) |
| C2S(NL80211_CMD_REG_CHANGE) |
| C2S(NL80211_CMD_AUTHENTICATE) |
| C2S(NL80211_CMD_ASSOCIATE) |
| C2S(NL80211_CMD_DEAUTHENTICATE) |
| C2S(NL80211_CMD_DISASSOCIATE) |
| C2S(NL80211_CMD_MICHAEL_MIC_FAILURE) |
| C2S(NL80211_CMD_REG_BEACON_HINT) |
| C2S(NL80211_CMD_JOIN_IBSS) |
| C2S(NL80211_CMD_LEAVE_IBSS) |
| C2S(NL80211_CMD_TESTMODE) |
| C2S(NL80211_CMD_CONNECT) |
| C2S(NL80211_CMD_ROAM) |
| C2S(NL80211_CMD_DISCONNECT) |
| C2S(NL80211_CMD_SET_WIPHY_NETNS) |
| C2S(NL80211_CMD_GET_SURVEY) |
| C2S(NL80211_CMD_NEW_SURVEY_RESULTS) |
| C2S(NL80211_CMD_SET_PMKSA) |
| C2S(NL80211_CMD_DEL_PMKSA) |
| C2S(NL80211_CMD_FLUSH_PMKSA) |
| C2S(NL80211_CMD_REMAIN_ON_CHANNEL) |
| C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL) |
| C2S(NL80211_CMD_SET_TX_BITRATE_MASK) |
| C2S(NL80211_CMD_REGISTER_FRAME) |
| C2S(NL80211_CMD_FRAME) |
| C2S(NL80211_CMD_FRAME_TX_STATUS) |
| C2S(NL80211_CMD_SET_POWER_SAVE) |
| C2S(NL80211_CMD_GET_POWER_SAVE) |
| C2S(NL80211_CMD_SET_CQM) |
| C2S(NL80211_CMD_NOTIFY_CQM) |
| C2S(NL80211_CMD_SET_CHANNEL) |
| C2S(NL80211_CMD_SET_WDS_PEER) |
| C2S(NL80211_CMD_FRAME_WAIT_CANCEL) |
| C2S(NL80211_CMD_JOIN_MESH) |
| C2S(NL80211_CMD_LEAVE_MESH) |
| C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE) |
| C2S(NL80211_CMD_UNPROT_DISASSOCIATE) |
| C2S(NL80211_CMD_NEW_PEER_CANDIDATE) |
| C2S(NL80211_CMD_GET_WOWLAN) |
| C2S(NL80211_CMD_SET_WOWLAN) |
| C2S(NL80211_CMD_START_SCHED_SCAN) |
| C2S(NL80211_CMD_STOP_SCHED_SCAN) |
| C2S(NL80211_CMD_SCHED_SCAN_RESULTS) |
| C2S(NL80211_CMD_SCHED_SCAN_STOPPED) |
| C2S(NL80211_CMD_SET_REKEY_OFFLOAD) |
| C2S(NL80211_CMD_PMKSA_CANDIDATE) |
| C2S(NL80211_CMD_TDLS_OPER) |
| C2S(NL80211_CMD_TDLS_MGMT) |
| C2S(NL80211_CMD_UNEXPECTED_FRAME) |
| C2S(NL80211_CMD_PROBE_CLIENT) |
| C2S(NL80211_CMD_REGISTER_BEACONS) |
| C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME) |
| C2S(NL80211_CMD_SET_NOACK_MAP) |
| C2S(NL80211_CMD_CH_SWITCH_NOTIFY) |
| C2S(NL80211_CMD_START_P2P_DEVICE) |
| C2S(NL80211_CMD_STOP_P2P_DEVICE) |
| C2S(NL80211_CMD_CONN_FAILED) |
| C2S(NL80211_CMD_SET_MCAST_RATE) |
| C2S(NL80211_CMD_SET_MAC_ACL) |
| C2S(NL80211_CMD_RADAR_DETECT) |
| C2S(NL80211_CMD_GET_PROTOCOL_FEATURES) |
| C2S(NL80211_CMD_UPDATE_FT_IES) |
| C2S(NL80211_CMD_FT_EVENT) |
| C2S(NL80211_CMD_CRIT_PROTOCOL_START) |
| C2S(NL80211_CMD_CRIT_PROTOCOL_STOP) |
| C2S(NL80211_CMD_GET_COALESCE) |
| C2S(NL80211_CMD_SET_COALESCE) |
| C2S(NL80211_CMD_CHANNEL_SWITCH) |
| C2S(NL80211_CMD_VENDOR) |
| C2S(NL80211_CMD_SET_QOS_MAP) |
| C2S(NL80211_CMD_ADD_TX_TS) |
| C2S(NL80211_CMD_DEL_TX_TS) |
| default: |
| return "NL80211_CMD_UNKNOWN"; |
| } |
| #undef C2S |
| } |
| |
| |
| static void mlme_event_auth(struct wpa_driver_nl80211_data *drv, |
| const u8 *frame, size_t len) |
| { |
| const struct ieee80211_mgmt *mgmt; |
| union wpa_event_data event; |
| |
| if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) && |
| drv->force_connect_cmd) { |
| /* |
| * Avoid reporting two association events that would confuse |
| * the core code. |
| */ |
| wpa_printf(MSG_DEBUG, |
| "nl80211: Ignore auth event when using driver SME"); |
| return; |
| } |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Authenticate event"); |
| mgmt = (const struct ieee80211_mgmt *) frame; |
| if (len < 24 + sizeof(mgmt->u.auth)) { |
| wpa_printf(MSG_DEBUG, "nl80211: Too short association event " |
| "frame"); |
| return; |
| } |
| |
| os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN); |
| os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN); |
| os_memset(&event, 0, sizeof(event)); |
| os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN); |
| event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg); |
| event.auth.auth_transaction = |
| le_to_host16(mgmt->u.auth.auth_transaction); |
| event.auth.status_code = le_to_host16(mgmt->u.auth.status_code); |
| if (len > 24 + sizeof(mgmt->u.auth)) { |
| event.auth.ies = mgmt->u.auth.variable; |
| event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth); |
| } |
| |
| wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event); |
| } |
| |
| |
| static void nl80211_parse_wmm_params(struct nlattr *wmm_attr, |
| struct wmm_params *wmm_params) |
| { |
| struct nlattr *wmm_info[NL80211_STA_WME_MAX + 1]; |
| static struct nla_policy wme_policy[NL80211_STA_WME_MAX + 1] = { |
| [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
| }; |
| |
| if (!wmm_attr || |
| nla_parse_nested(wmm_info, NL80211_STA_WME_MAX, wmm_attr, |
| wme_policy) || |
| !wmm_info[NL80211_STA_WME_UAPSD_QUEUES]) |
| return; |
| |
| wmm_params->uapsd_queues = |
| nla_get_u8(wmm_info[NL80211_STA_WME_UAPSD_QUEUES]); |
| wmm_params->info_bitmap |= WMM_PARAMS_UAPSD_QUEUES_INFO; |
| } |
| |
| |
| static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv, |
| const u8 *frame, size_t len, struct nlattr *wmm) |
| { |
| const struct ieee80211_mgmt *mgmt; |
| union wpa_event_data event; |
| u16 status; |
| |
| if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) && |
| drv->force_connect_cmd) { |
| /* |
| * Avoid reporting two association events that would confuse |
| * the core code. |
| */ |
| wpa_printf(MSG_DEBUG, |
| "nl80211: Ignore assoc event when using driver SME"); |
| return; |
| } |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Associate event"); |
| mgmt = (const struct ieee80211_mgmt *) frame; |
| if (len < 24 + sizeof(mgmt->u.assoc_resp)) { |
| wpa_printf(MSG_DEBUG, "nl80211: Too short association event " |
| "frame"); |
| return; |
| } |
| |
| status = le_to_host16(mgmt->u.assoc_resp.status_code); |
| if (status != WLAN_STATUS_SUCCESS) { |
| os_memset(&event, 0, sizeof(event)); |
| event.assoc_reject.bssid = mgmt->bssid; |
| if (len > 24 + sizeof(mgmt->u.assoc_resp)) { |
| event.assoc_reject.resp_ies = |
| (u8 *) mgmt->u.assoc_resp.variable; |
| event.assoc_reject.resp_ies_len = |
| len - 24 - sizeof(mgmt->u.assoc_resp); |
| } |
| event.assoc_reject.status_code = status; |
| |
| wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event); |
| return; |
| } |
| |
| drv->associated = 1; |
| os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN); |
| os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN); |
| |
| os_memset(&event, 0, sizeof(event)); |
| if (len > 24 + sizeof(mgmt->u.assoc_resp)) { |
| event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable; |
| event.assoc_info.resp_ies_len = |
| len - 24 - sizeof(mgmt->u.assoc_resp); |
| } |
| |
| event.assoc_info.freq = drv->assoc_freq; |
| |
| nl80211_parse_wmm_params(wmm, &event.assoc_info.wmm_params); |
| |
| wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event); |
| } |
| |
| |
| static void mlme_event_connect(struct wpa_driver_nl80211_data *drv, |
| enum nl80211_commands cmd, struct nlattr *status, |
| struct nlattr *addr, struct nlattr *req_ie, |
| struct nlattr *resp_ie, |
| struct nlattr *authorized, |
| struct nlattr *key_replay_ctr, |
| struct nlattr *ptk_kck, |
| struct nlattr *ptk_kek) |
| { |
| union wpa_event_data event; |
| const u8 *ssid; |
| u16 status_code; |
| |
| if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { |
| /* |
| * Avoid reporting two association events that would confuse |
| * the core code. |
| */ |
| wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) " |
| "when using userspace SME", cmd); |
| return; |
| } |
| |
| status_code = status ? nla_get_u16(status) : WLAN_STATUS_SUCCESS; |
| |
| if (cmd == NL80211_CMD_CONNECT) { |
| wpa_printf(MSG_DEBUG, |
| "nl80211: Connect event (status=%u ignore_next_local_disconnect=%d)", |
| status_code, drv->ignore_next_local_disconnect); |
| } else if (cmd == NL80211_CMD_ROAM) { |
| wpa_printf(MSG_DEBUG, "nl80211: Roam event"); |
| } |
| |
| os_memset(&event, 0, sizeof(event)); |
| if (cmd == NL80211_CMD_CONNECT && status_code != WLAN_STATUS_SUCCESS) { |
| if (addr) |
| event.assoc_reject.bssid = nla_data(addr); |
| if (drv->ignore_next_local_disconnect) { |
| drv->ignore_next_local_disconnect = 0; |
| if (!event.assoc_reject.bssid || |
| (os_memcmp(event.assoc_reject.bssid, |
| drv->auth_attempt_bssid, |
| ETH_ALEN) != 0)) { |
| /* |
| * Ignore the event that came without a BSSID or |
| * for the old connection since this is likely |
| * not relevant to the new Connect command. |
| */ |
| wpa_printf(MSG_DEBUG, |
| "nl80211: Ignore connection failure event triggered during reassociation"); |
| return; |
| } |
| } |
| if (resp_ie) { |
| event.assoc_reject.resp_ies = nla_data(resp_ie); |
| event.assoc_reject.resp_ies_len = nla_len(resp_ie); |
| } |
| event.assoc_reject.status_code = status_code; |
| wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event); |
| return; |
| } |
| |
| drv->associated = 1; |
| if (addr) { |
| os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN); |
| os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN); |
| } |
| |
| if (req_ie) { |
| event.assoc_info.req_ies = nla_data(req_ie); |
| event.assoc_info.req_ies_len = nla_len(req_ie); |
| |
| if (cmd == NL80211_CMD_ROAM) { |
| ssid = nl80211_get_ie(event.assoc_info.req_ies, |
| event.assoc_info.req_ies_len, |
| WLAN_EID_SSID); |
| if (ssid && ssid[1] > 0 && ssid[1] <= 32) { |
| drv->ssid_len = ssid[1]; |
| os_memcpy(drv->ssid, ssid + 2, ssid[1]); |
| } |
| } |
| } |
| if (resp_ie) { |
| event.assoc_info.resp_ies = nla_data(resp_ie); |
| event.assoc_info.resp_ies_len = nla_len(resp_ie); |
| } |
| |
| event.assoc_info.freq = nl80211_get_assoc_freq(drv); |
| |
| if (authorized && nla_get_u8(authorized)) { |
| event.assoc_info.authorized = 1; |
| wpa_printf(MSG_DEBUG, "nl80211: connection authorized"); |
| } |
| if (key_replay_ctr) { |
| event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr); |
| event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr); |
| } |
| if (ptk_kck) { |
| event.assoc_info.ptk_kck = nla_data(ptk_kck); |
| event.assoc_info.ptk_kck_len = nla_len(ptk_kck); |
| } |
| if (ptk_kek) { |
| event.assoc_info.ptk_kek = nla_data(ptk_kek); |
| event.assoc_info.ptk_kek_len = nla_len(ptk_kek); |
| } |
| |
| wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event); |
| } |
| |
| |
| static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv, |
| struct nlattr *reason, struct nlattr *addr, |
| struct nlattr *by_ap) |
| { |
| union wpa_event_data data; |
| unsigned int locally_generated = by_ap == NULL; |
| |
| if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { |
| /* |
| * Avoid reporting two disassociation events that could |
| * confuse the core code. |
| */ |
| wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect " |
| "event when using userspace SME"); |
| return; |
| } |
| |
| if (drv->ignore_next_local_disconnect) { |
| drv->ignore_next_local_disconnect = 0; |
| if (locally_generated) { |
| wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect " |
| "event triggered during reassociation"); |
| return; |
| } |
| wpa_printf(MSG_WARNING, "nl80211: Was expecting local " |
| "disconnect but got another disconnect " |
| "event first"); |
| } |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Disconnect event"); |
| nl80211_mark_disconnected(drv); |
| os_memset(&data, 0, sizeof(data)); |
| if (reason) |
| data.deauth_info.reason_code = nla_get_u16(reason); |
| data.deauth_info.locally_generated = by_ap == NULL; |
| wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data); |
| } |
| |
| |
| static int calculate_chan_offset(int width, int freq, int cf1, int cf2) |
| { |
| int freq1 = 0; |
| |
| switch (convert2width(width)) { |
| case CHAN_WIDTH_20_NOHT: |
| case CHAN_WIDTH_20: |
| return 0; |
| case CHAN_WIDTH_40: |
| freq1 = cf1 - 10; |
| break; |
| case CHAN_WIDTH_80: |
| freq1 = cf1 - 30; |
| break; |
| case CHAN_WIDTH_160: |
| freq1 = cf1 - 70; |
| break; |
| case CHAN_WIDTH_UNKNOWN: |
| case CHAN_WIDTH_80P80: |
| /* FIXME: implement this */ |
| return 0; |
| } |
| |
| return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1; |
| } |
| |
| |
| static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv, |
| struct nlattr *ifindex, struct nlattr *freq, |
| struct nlattr *type, struct nlattr *bw, |
| struct nlattr *cf1, struct nlattr *cf2) |
| { |
| struct i802_bss *bss; |
| union wpa_event_data data; |
| int ht_enabled = 1; |
| int chan_offset = 0; |
| int ifidx; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Channel switch event"); |
| |
| if (!freq) |
| return; |
| |
| ifidx = nla_get_u32(ifindex); |
| bss = get_bss_ifindex(drv, ifidx); |
| if (bss == NULL) { |
| wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring", |
| ifidx); |
| return; |
| } |
| |
| if (type) { |
| enum nl80211_channel_type ch_type = nla_get_u32(type); |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type); |
| switch (ch_type) { |
| case NL80211_CHAN_NO_HT: |
| ht_enabled = 0; |
| break; |
| case NL80211_CHAN_HT20: |
| break; |
| case NL80211_CHAN_HT40PLUS: |
| chan_offset = 1; |
| break; |
| case NL80211_CHAN_HT40MINUS: |
| chan_offset = -1; |
| break; |
| } |
| } else if (bw && cf1) { |
| /* This can happen for example with VHT80 ch switch */ |
| chan_offset = calculate_chan_offset(nla_get_u32(bw), |
| nla_get_u32(freq), |
| nla_get_u32(cf1), |
| cf2 ? nla_get_u32(cf2) : 0); |
| } else { |
| wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail"); |
| } |
| |
| os_memset(&data, 0, sizeof(data)); |
| data.ch_switch.freq = nla_get_u32(freq); |
| data.ch_switch.ht_enabled = ht_enabled; |
| data.ch_switch.ch_offset = chan_offset; |
| if (bw) |
| data.ch_switch.ch_width = convert2width(nla_get_u32(bw)); |
| if (cf1) |
| data.ch_switch.cf1 = nla_get_u32(cf1); |
| if (cf2) |
| data.ch_switch.cf2 = nla_get_u32(cf2); |
| |
| bss->freq = data.ch_switch.freq; |
| |
| wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data); |
| } |
| |
| |
| static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv, |
| enum nl80211_commands cmd, struct nlattr *addr) |
| { |
| union wpa_event_data event; |
| enum wpa_event_type ev; |
| |
| if (nla_len(addr) != ETH_ALEN) |
| return; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR, |
| cmd, MAC2STR((u8 *) nla_data(addr))); |
| |
| if (cmd == NL80211_CMD_AUTHENTICATE) |
| ev = EVENT_AUTH_TIMED_OUT; |
| else if (cmd == NL80211_CMD_ASSOCIATE) |
| ev = EVENT_ASSOC_TIMED_OUT; |
| else |
| return; |
| |
| os_memset(&event, 0, sizeof(event)); |
| os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN); |
| wpa_supplicant_event(drv->ctx, ev, &event); |
| } |
| |
| |
| static void mlme_event_mgmt(struct i802_bss *bss, |
| struct nlattr *freq, struct nlattr *sig, |
| const u8 *frame, size_t len) |
| { |
| struct wpa_driver_nl80211_data *drv = bss->drv; |
| const struct ieee80211_mgmt *mgmt; |
| union wpa_event_data event; |
| u16 fc, stype; |
| int ssi_signal = 0; |
| int rx_freq = 0; |
| |
| wpa_printf(MSG_MSGDUMP, "nl80211: Frame event"); |
| mgmt = (const struct ieee80211_mgmt *) frame; |
| if (len < 24) { |
| wpa_printf(MSG_DEBUG, "nl80211: Too short management frame"); |
| return; |
| } |
| |
| fc = le_to_host16(mgmt->frame_control); |
| stype = WLAN_FC_GET_STYPE(fc); |
| |
| if (sig) |
| ssi_signal = (s32) nla_get_u32(sig); |
| |
| os_memset(&event, 0, sizeof(event)); |
| if (freq) { |
| event.rx_mgmt.freq = nla_get_u32(freq); |
| rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq; |
| } |
| wpa_printf(MSG_DEBUG, |
| "nl80211: RX frame sa=" MACSTR |
| " freq=%d ssi_signal=%d fc=0x%x seq_ctrl=0x%x stype=%u (%s) len=%u", |
| MAC2STR(mgmt->sa), rx_freq, ssi_signal, fc, |
| le_to_host16(mgmt->seq_ctrl), stype, fc2str(fc), |
| (unsigned int) len); |
| event.rx_mgmt.frame = frame; |
| event.rx_mgmt.frame_len = len; |
| event.rx_mgmt.ssi_signal = ssi_signal; |
| event.rx_mgmt.drv_priv = bss; |
| wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); |
| } |
| |
| |
| static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv, |
| struct nlattr *cookie, const u8 *frame, |
| size_t len, struct nlattr *ack) |
| { |
| union wpa_event_data event; |
| const struct ieee80211_hdr *hdr; |
| u16 fc; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event"); |
| if (!is_ap_interface(drv->nlmode)) { |
| u64 cookie_val; |
| |
| if (!cookie) |
| return; |
| |
| cookie_val = nla_get_u64(cookie); |
| wpa_printf(MSG_DEBUG, "nl80211: Action TX status:" |
| " cookie=0%llx%s (ack=%d)", |
| (long long unsigned int) cookie_val, |
| cookie_val == drv->send_action_cookie ? |
| " (match)" : " (unknown)", ack != NULL); |
| if (cookie_val != drv->send_action_cookie) |
| return; |
| } |
| |
| hdr = (const struct ieee80211_hdr *) frame; |
| fc = le_to_host16(hdr->frame_control); |
| |
| os_memset(&event, 0, sizeof(event)); |
| event.tx_status.type = WLAN_FC_GET_TYPE(fc); |
| event.tx_status.stype = WLAN_FC_GET_STYPE(fc); |
| event.tx_status.dst = hdr->addr1; |
| event.tx_status.data = frame; |
| event.tx_status.data_len = len; |
| event.tx_status.ack = ack != NULL; |
| wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event); |
| } |
| |
| |
| static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv, |
| enum wpa_event_type type, |
| const u8 *frame, size_t len) |
| { |
| const struct ieee80211_mgmt *mgmt; |
| union wpa_event_data event; |
| const u8 *bssid = NULL; |
| u16 reason_code = 0; |
| |
| if (type == EVENT_DEAUTH) |
| wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event"); |
| else |
| wpa_printf(MSG_DEBUG, "nl80211: Disassociate event"); |
| |
| mgmt = (const struct ieee80211_mgmt *) frame; |
| if (len >= 24) { |
| bssid = mgmt->bssid; |
| |
| if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) && |
| !drv->associated && |
| os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 && |
| os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 && |
| os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) { |
| /* |
| * Avoid issues with some roaming cases where |
| * disconnection event for the old AP may show up after |
| * we have started connection with the new AP. |
| */ |
| wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR, |
| MAC2STR(bssid), |
| MAC2STR(drv->auth_attempt_bssid)); |
| return; |
| } |
| |
| if (drv->associated != 0 && |
| os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 && |
| os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) { |
| /* |
| * We have presumably received this deauth as a |
| * response to a clear_state_mismatch() outgoing |
| * deauth. Don't let it take us offline! |
| */ |
| wpa_printf(MSG_DEBUG, "nl80211: Deauth received " |
| "from Unknown BSSID " MACSTR " -- ignoring", |
| MAC2STR(bssid)); |
| return; |
| } |
| } |
| |
| nl80211_mark_disconnected(drv); |
| os_memset(&event, 0, sizeof(event)); |
| |
| /* Note: Same offset for Reason Code in both frame subtypes */ |
| if (len >= 24 + sizeof(mgmt->u.deauth)) |
| reason_code = le_to_host16(mgmt->u.deauth.reason_code); |
| |
| if (type == EVENT_DISASSOC) { |
| event.disassoc_info.locally_generated = |
| !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN); |
| event.disassoc_info.addr = bssid; |
| event.disassoc_info.reason_code = reason_code; |
| if (frame + len > mgmt->u.disassoc.variable) { |
| event.disassoc_info.ie = mgmt->u.disassoc.variable; |
| event.disassoc_info.ie_len = frame + len - |
| mgmt->u.disassoc.variable; |
| } |
| } else { |
| if (drv->ignore_deauth_event) { |
| wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth"); |
| drv->ignore_deauth_event = 0; |
| return; |
| } |
| event.deauth_info.locally_generated = |
| !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN); |
| if (drv->ignore_next_local_deauth) { |
| drv->ignore_next_local_deauth = 0; |
| if (event.deauth_info.locally_generated) { |
| wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request"); |
| return; |
| } |
| wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first"); |
| } |
| event.deauth_info.addr = bssid; |
| event.deauth_info.reason_code = reason_code; |
| if (frame + len > mgmt->u.deauth.variable) { |
| event.deauth_info.ie = mgmt->u.deauth.variable; |
| event.deauth_info.ie_len = frame + len - |
| mgmt->u.deauth.variable; |
| } |
| } |
| |
| wpa_supplicant_event(drv->ctx, type, &event); |
| } |
| |
| |
| static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv, |
| enum wpa_event_type type, |
| const u8 *frame, size_t len) |
| { |
| const struct ieee80211_mgmt *mgmt; |
| union wpa_event_data event; |
| u16 reason_code = 0; |
| |
| if (type == EVENT_UNPROT_DEAUTH) |
| wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event"); |
| else |
| wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event"); |
| |
| if (len < 24) |
| return; |
| |
| mgmt = (const struct ieee80211_mgmt *) frame; |
| |
| os_memset(&event, 0, sizeof(event)); |
| /* Note: Same offset for Reason Code in both frame subtypes */ |
| if (len >= 24 + sizeof(mgmt->u.deauth)) |
| reason_code = le_to_host16(mgmt->u.deauth.reason_code); |
| |
| if (type == EVENT_UNPROT_DISASSOC) { |
| event.unprot_disassoc.sa = mgmt->sa; |
| event.unprot_disassoc.da = mgmt->da; |
| event.unprot_disassoc.reason_code = reason_code; |
| } else { |
| event.unprot_deauth.sa = mgmt->sa; |
| event.unprot_deauth.da = mgmt->da; |
| event.unprot_deauth.reason_code = reason_code; |
| } |
| |
| wpa_supplicant_event(drv->ctx, type, &event); |
| } |
| |
| |
| static void mlme_event(struct i802_bss *bss, |
| enum nl80211_commands cmd, struct nlattr *frame, |
| struct nlattr *addr, struct nlattr *timed_out, |
| struct nlattr *freq, struct nlattr *ack, |
| struct nlattr *cookie, struct nlattr *sig, |
| struct nlattr *wmm) |
| { |
| struct wpa_driver_nl80211_data *drv = bss->drv; |
| const u8 *data; |
| size_t len; |
| |
| if (timed_out && addr) { |
| mlme_timeout_event(drv, cmd, addr); |
| return; |
| } |
| |
| if (frame == NULL) { |
| wpa_printf(MSG_DEBUG, |
| "nl80211: MLME event %d (%s) without frame data", |
| cmd, nl80211_command_to_string(cmd)); |
| return; |
| } |
| |
| data = nla_data(frame); |
| len = nla_len(frame); |
| if (len < 4 + 2 * ETH_ALEN) { |
| wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" |
| MACSTR ") - too short", |
| cmd, nl80211_command_to_string(cmd), bss->ifname, |
| MAC2STR(bss->addr)); |
| return; |
| } |
| wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR |
| ") A1=" MACSTR " A2=" MACSTR, cmd, |
| nl80211_command_to_string(cmd), bss->ifname, |
| MAC2STR(bss->addr), MAC2STR(data + 4), |
| MAC2STR(data + 4 + ETH_ALEN)); |
| if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) && |
| os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 && |
| os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) { |
| wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event " |
| "for foreign address", bss->ifname); |
| return; |
| } |
| wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame", |
| nla_data(frame), nla_len(frame)); |
| |
| switch (cmd) { |
| case NL80211_CMD_AUTHENTICATE: |
| mlme_event_auth(drv, nla_data(frame), nla_len(frame)); |
| break; |
| case NL80211_CMD_ASSOCIATE: |
| mlme_event_assoc(drv, nla_data(frame), nla_len(frame), wmm); |
| break; |
| case NL80211_CMD_DEAUTHENTICATE: |
| mlme_event_deauth_disassoc(drv, EVENT_DEAUTH, |
| nla_data(frame), nla_len(frame)); |
| break; |
| case NL80211_CMD_DISASSOCIATE: |
| mlme_event_deauth_disassoc(drv, EVENT_DISASSOC, |
| nla_data(frame), nla_len(frame)); |
| break; |
| case NL80211_CMD_FRAME: |
| mlme_event_mgmt(bss, freq, sig, nla_data(frame), |
| nla_len(frame)); |
| break; |
| case NL80211_CMD_FRAME_TX_STATUS: |
| mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame), |
| nla_len(frame), ack); |
| break; |
| case NL80211_CMD_UNPROT_DEAUTHENTICATE: |
| mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH, |
| nla_data(frame), nla_len(frame)); |
| break; |
| case NL80211_CMD_UNPROT_DISASSOCIATE: |
| mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC, |
| nla_data(frame), nla_len(frame)); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| |
| static void mlme_event_michael_mic_failure(struct i802_bss *bss, |
| struct nlattr *tb[]) |
| { |
| union wpa_event_data data; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure"); |
| os_memset(&data, 0, sizeof(data)); |
| if (tb[NL80211_ATTR_MAC]) { |
| wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address", |
| nla_data(tb[NL80211_ATTR_MAC]), |
| nla_len(tb[NL80211_ATTR_MAC])); |
| data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]); |
| } |
| if (tb[NL80211_ATTR_KEY_SEQ]) { |
| wpa_hexdump(MSG_DEBUG, "nl80211: TSC", |
| nla_data(tb[NL80211_ATTR_KEY_SEQ]), |
| nla_len(tb[NL80211_ATTR_KEY_SEQ])); |
| } |
| if (tb[NL80211_ATTR_KEY_TYPE]) { |
| enum nl80211_key_type key_type = |
| nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]); |
| wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type); |
| if (key_type == NL80211_KEYTYPE_PAIRWISE) |
| data.michael_mic_failure.unicast = 1; |
| } else |
| data.michael_mic_failure.unicast = 1; |
| |
| if (tb[NL80211_ATTR_KEY_IDX]) { |
| u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]); |
| wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id); |
| } |
| |
| wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data); |
| } |
| |
| |
| static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv, |
| struct nlattr *tb[]) |
| { |
| unsigned int freq; |
| |
| if (tb[NL80211_ATTR_MAC] == NULL) { |
| wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined " |
| "event"); |
| return; |
| } |
| os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); |
| |
| drv->associated = 1; |
| wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined", |
| MAC2STR(drv->bssid)); |
| |
| freq = nl80211_get_assoc_freq(drv); |
| if (freq) { |
| wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz", |
| freq); |
| drv->first_bss->freq = freq; |
| } |
| |
| wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL); |
| } |
| |
| |
| static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv, |
| int cancel_event, struct nlattr *tb[]) |
| { |
| unsigned int freq, chan_type, duration; |
| union wpa_event_data data; |
| u64 cookie; |
| |
| if (tb[NL80211_ATTR_WIPHY_FREQ]) |
| freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]); |
| else |
| freq = 0; |
| |
| if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) |
| chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); |
| else |
| chan_type = 0; |
| |
| if (tb[NL80211_ATTR_DURATION]) |
| duration = nla_get_u32(tb[NL80211_ATTR_DURATION]); |
| else |
| duration = 0; |
| |
| if (tb[NL80211_ATTR_COOKIE]) |
| cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]); |
| else |
| cookie = 0; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d " |
| "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))", |
| cancel_event, freq, chan_type, duration, |
| (long long unsigned int) cookie, |
| cookie == drv->remain_on_chan_cookie ? "match" : "unknown"); |
| |
| if (cookie != drv->remain_on_chan_cookie) |
| return; /* not for us */ |
| |
| if (cancel_event) |
| drv->pending_remain_on_chan = 0; |
| |
| os_memset(&data, 0, sizeof(data)); |
| data.remain_on_channel.freq = freq; |
| data.remain_on_channel.duration = duration; |
| wpa_supplicant_event(drv->ctx, cancel_event ? |
| EVENT_CANCEL_REMAIN_ON_CHANNEL : |
| EVENT_REMAIN_ON_CHANNEL, &data); |
| } |
| |
| |
| static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr *tb[]) |
| { |
| union wpa_event_data data; |
| |
| os_memset(&data, 0, sizeof(data)); |
| |
| if (tb[NL80211_ATTR_IE]) { |
| data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]); |
| data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]); |
| } |
| |
| if (tb[NL80211_ATTR_IE_RIC]) { |
| data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]); |
| data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]); |
| } |
| |
| if (tb[NL80211_ATTR_MAC]) |
| os_memcpy(data.ft_ies.target_ap, |
| nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); |
| |
| wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR, |
| MAC2STR(data.ft_ies.target_ap)); |
| |
| wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data); |
| } |
| |
| |
| static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted, |
| struct nlattr *tb[]) |
| { |
| union wpa_event_data event; |
| struct nlattr *nl; |
| int rem; |
| struct scan_info *info; |
| #define MAX_REPORT_FREQS 50 |
| int freqs[MAX_REPORT_FREQS]; |
| int num_freqs = 0; |
| |
| if (drv->scan_for_auth) { |
| drv->scan_for_auth = 0; |
| wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing " |
| "cfg80211 BSS entry"); |
| wpa_driver_nl80211_authenticate_retry(drv); |
| return; |
| } |
| |
| os_memset(&event, 0, sizeof(event)); |
| info = &event.scan_info; |
| info->aborted = aborted; |
| |
| if (tb[NL80211_ATTR_SCAN_SSIDS]) { |
| nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) { |
| struct wpa_driver_scan_ssid *s = |
| &info->ssids[info->num_ssids]; |
| s->ssid = nla_data(nl); |
| s->ssid_len = nla_len(nl); |
| wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'", |
| wpa_ssid_txt(s->ssid, s->ssid_len)); |
| info->num_ssids++; |
| if (info->num_ssids == WPAS_MAX_SCAN_SSIDS) |
| break; |
| } |
| } |
| if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) { |
| char msg[200], *pos, *end; |
| int res; |
| |
| pos = msg; |
| end = pos + sizeof(msg); |
| *pos = '\0'; |
| |
| nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem) |
| { |
| freqs[num_freqs] = nla_get_u32(nl); |
| res = os_snprintf(pos, end - pos, " %d", |
| freqs[num_freqs]); |
| if (!os_snprintf_error(end - pos, res)) |
| pos += res; |
| num_freqs++; |
| if (num_freqs == MAX_REPORT_FREQS - 1) |
| break; |
| } |
| info->freqs = freqs; |
| info->num_freqs = num_freqs; |
| wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s", |
| msg); |
| } |
| wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event); |
| } |
| |
| |
| static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr *tb[]) |
| { |
| static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { |
| [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
| [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 }, |
| [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, |
| [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 }, |
| }; |
| struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1]; |
| enum nl80211_cqm_rssi_threshold_event event; |
| union wpa_event_data ed; |
| struct wpa_signal_info sig; |
| int res; |
| |
| if (tb[NL80211_ATTR_CQM] == NULL || |
| nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM], |
| cqm_policy)) { |
| wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event"); |
| return; |
| } |
| |
| os_memset(&ed, 0, sizeof(ed)); |
| |
| if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) { |
| if (!tb[NL80211_ATTR_MAC]) |
| return; |
| os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]), |
| ETH_ALEN); |
| wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed); |
| return; |
| } |
| |
| if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL) |
| return; |
| event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]); |
| |
| if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) { |
| wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor " |
| "event: RSSI high"); |
| ed.signal_change.above_threshold = 1; |
| } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) { |
| wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor " |
| "event: RSSI low"); |
| ed.signal_change.above_threshold = 0; |
| } else |
| return; |
| |
| res = nl80211_get_link_signal(drv, &sig); |
| if (res == 0) { |
| ed.signal_change.current_signal = sig.current_signal; |
| ed.signal_change.current_txrate = sig.current_txrate; |
| wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d", |
| sig.current_signal, sig.current_txrate); |
| } |
| |
| res = nl80211_get_link_noise(drv, &sig); |
| if (res == 0) { |
| ed.signal_change.current_noise = sig.current_noise; |
| wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm", |
| sig.current_noise); |
| } |
| |
| wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed); |
| } |
| |
| |
| static void nl80211_new_peer_candidate(struct wpa_driver_nl80211_data *drv, |
| struct nlattr **tb) |
| { |
| const u8 *addr; |
| union wpa_event_data data; |
| |
| if (drv->nlmode != NL80211_IFTYPE_MESH_POINT || |
| !tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE]) |
| return; |
| |
| addr = nla_data(tb[NL80211_ATTR_MAC]); |
| wpa_printf(MSG_DEBUG, "nl80211: New peer candidate" MACSTR, |
| MAC2STR(addr)); |
| |
| os_memset(&data, 0, sizeof(data)); |
| data.mesh_peer.peer = addr; |
| data.mesh_peer.ies = nla_data(tb[NL80211_ATTR_IE]); |
| data.mesh_peer.ie_len = nla_len(tb[NL80211_ATTR_IE]); |
| wpa_supplicant_event(drv->ctx, EVENT_NEW_PEER_CANDIDATE, &data); |
| } |
| |
| |
| static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv, |
| struct i802_bss *bss, |
| struct nlattr **tb) |
| { |
| u8 *addr; |
| union wpa_event_data data; |
| |
| if (tb[NL80211_ATTR_MAC] == NULL) |
| return; |
| addr = nla_data(tb[NL80211_ATTR_MAC]); |
| wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr)); |
| |
| if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) { |
| u8 *ies = NULL; |
| size_t ies_len = 0; |
| if (tb[NL80211_ATTR_IE]) { |
| ies = nla_data(tb[NL80211_ATTR_IE]); |
| ies_len = nla_len(tb[NL80211_ATTR_IE]); |
| } |
| wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len); |
| drv_event_assoc(bss->ctx, addr, ies, ies_len, 0); |
| return; |
| } |
| |
| if (drv->nlmode != NL80211_IFTYPE_ADHOC) |
| return; |
| |
| os_memset(&data, 0, sizeof(data)); |
| os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN); |
| wpa_supplicant_event(bss->ctx, EVENT_IBSS_RSN_START, &data); |
| } |
| |
| |
| static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr **tb) |
| { |
| u8 *addr; |
| union wpa_event_data data; |
| |
| if (tb[NL80211_ATTR_MAC] == NULL) |
| return; |
| addr = nla_data(tb[NL80211_ATTR_MAC]); |
| wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR, |
| MAC2STR(addr)); |
| |
| if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) { |
| drv_event_disassoc(drv->ctx, addr); |
| return; |
| } |
| |
| if (drv->nlmode != NL80211_IFTYPE_ADHOC) |
| return; |
| |
| os_memset(&data, 0, sizeof(data)); |
| os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN); |
| wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data); |
| } |
| |
| |
| static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr **tb) |
| { |
| struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA]; |
| static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = { |
| [NL80211_REKEY_DATA_KEK] = { |
| .minlen = NL80211_KEK_LEN, |
| .maxlen = NL80211_KEK_LEN, |
| }, |
| [NL80211_REKEY_DATA_KCK] = { |
| .minlen = NL80211_KCK_LEN, |
| .maxlen = NL80211_KCK_LEN, |
| }, |
| [NL80211_REKEY_DATA_REPLAY_CTR] = { |
| .minlen = NL80211_REPLAY_CTR_LEN, |
| .maxlen = NL80211_REPLAY_CTR_LEN, |
| }, |
| }; |
| union wpa_event_data data; |
| |
| if (!tb[NL80211_ATTR_MAC] || |
| !tb[NL80211_ATTR_REKEY_DATA] || |
| nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA, |
| tb[NL80211_ATTR_REKEY_DATA], rekey_policy) || |
| !rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]) |
| return; |
| |
| os_memset(&data, 0, sizeof(data)); |
| data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]); |
| wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR, |
| MAC2STR(data.driver_gtk_rekey.bssid)); |
| data.driver_gtk_rekey.replay_ctr = |
| nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]); |
| wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter", |
| data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN); |
| wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data); |
| } |
| |
| |
| static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr **tb) |
| { |
| struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE]; |
| static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = { |
| [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 }, |
| [NL80211_PMKSA_CANDIDATE_BSSID] = { |
| .minlen = ETH_ALEN, |
| .maxlen = ETH_ALEN, |
| }, |
| [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG }, |
| }; |
| union wpa_event_data data; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event"); |
| |
| if (!tb[NL80211_ATTR_PMKSA_CANDIDATE] || |
| nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE, |
| tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy) || |
| !cand[NL80211_PMKSA_CANDIDATE_INDEX] || |
| !cand[NL80211_PMKSA_CANDIDATE_BSSID]) |
| return; |
| |
| os_memset(&data, 0, sizeof(data)); |
| os_memcpy(data.pmkid_candidate.bssid, |
| nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN); |
| data.pmkid_candidate.index = |
| nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]); |
| data.pmkid_candidate.preauth = |
| cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL; |
| wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data); |
| } |
| |
| |
| static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr **tb) |
| { |
| union wpa_event_data data; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Probe client event"); |
| |
| if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK]) |
| return; |
| |
| os_memset(&data, 0, sizeof(data)); |
| os_memcpy(data.client_poll.addr, |
| nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); |
| |
| wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data); |
| } |
| |
| |
| static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr **tb) |
| { |
| union wpa_event_data data; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event"); |
| |
| if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION]) |
| return; |
| |
| os_memset(&data, 0, sizeof(data)); |
| os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); |
| switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) { |
| case NL80211_TDLS_SETUP: |
| wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer " |
| MACSTR, MAC2STR(data.tdls.peer)); |
| data.tdls.oper = TDLS_REQUEST_SETUP; |
| break; |
| case NL80211_TDLS_TEARDOWN: |
| wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer " |
| MACSTR, MAC2STR(data.tdls.peer)); |
| data.tdls.oper = TDLS_REQUEST_TEARDOWN; |
| break; |
| case NL80211_TDLS_DISCOVERY_REQ: |
| wpa_printf(MSG_DEBUG, |
| "nl80211: TDLS discovery request for peer " MACSTR, |
| MAC2STR(data.tdls.peer)); |
| data.tdls.oper = TDLS_REQUEST_DISCOVER; |
| break; |
| default: |
| wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione " |
| "event"); |
| return; |
| } |
| if (tb[NL80211_ATTR_REASON_CODE]) { |
| data.tdls.reason_code = |
| nla_get_u16(tb[NL80211_ATTR_REASON_CODE]); |
| } |
| |
| wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data); |
| } |
| |
| |
| static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv, |
| struct nlattr **tb) |
| { |
| wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL); |
| } |
| |
| |
| static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr **tb) |
| { |
| union wpa_event_data data; |
| u32 reason; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Connect failed event"); |
| |
| if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON]) |
| return; |
| |
| os_memset(&data, 0, sizeof(data)); |
| os_memcpy(data.connect_failed_reason.addr, |
| nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); |
| |
| reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]); |
| switch (reason) { |
| case NL80211_CONN_FAIL_MAX_CLIENTS: |
| wpa_printf(MSG_DEBUG, "nl80211: Max client reached"); |
| data.connect_failed_reason.code = MAX_CLIENT_REACHED; |
| break; |
| case NL80211_CONN_FAIL_BLOCKED_CLIENT: |
| wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR |
| " tried to connect", |
| MAC2STR(data.connect_failed_reason.addr)); |
| data.connect_failed_reason.code = BLOCKED_CLIENT; |
| break; |
| default: |
| wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason " |
| "%u", reason); |
| return; |
| } |
| |
| wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data); |
| } |
| |
| |
| static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr **tb) |
| { |
| union wpa_event_data data; |
| enum nl80211_radar_event event_type; |
| |
| if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT]) |
| return; |
| |
| os_memset(&data, 0, sizeof(data)); |
| data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]); |
| event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]); |
| |
| /* Check HT params */ |
| if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
| data.dfs_event.ht_enabled = 1; |
| data.dfs_event.chan_offset = 0; |
| |
| switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) { |
| case NL80211_CHAN_NO_HT: |
| data.dfs_event.ht_enabled = 0; |
| break; |
| case NL80211_CHAN_HT20: |
| break; |
| case NL80211_CHAN_HT40PLUS: |
| data.dfs_event.chan_offset = 1; |
| break; |
| case NL80211_CHAN_HT40MINUS: |
| data.dfs_event.chan_offset = -1; |
| break; |
| } |
| } |
| |
| /* Get VHT params */ |
| if (tb[NL80211_ATTR_CHANNEL_WIDTH]) |
| data.dfs_event.chan_width = |
| convert2width(nla_get_u32( |
| tb[NL80211_ATTR_CHANNEL_WIDTH])); |
| if (tb[NL80211_ATTR_CENTER_FREQ1]) |
| data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]); |
| if (tb[NL80211_ATTR_CENTER_FREQ2]) |
| data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]); |
| |
| wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz", |
| data.dfs_event.freq, data.dfs_event.ht_enabled, |
| data.dfs_event.chan_offset, data.dfs_event.chan_width, |
| data.dfs_event.cf1, data.dfs_event.cf2); |
| |
| switch (event_type) { |
| case NL80211_RADAR_DETECTED: |
| wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data); |
| break; |
| case NL80211_RADAR_CAC_FINISHED: |
| wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data); |
| break; |
| case NL80211_RADAR_CAC_ABORTED: |
| wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data); |
| break; |
| case NL80211_RADAR_NOP_FINISHED: |
| wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data); |
| break; |
| default: |
| wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d " |
| "received", event_type); |
| break; |
| } |
| } |
| |
| |
| static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb, |
| int wds) |
| { |
| struct wpa_driver_nl80211_data *drv = bss->drv; |
| union wpa_event_data event; |
| |
| if (!tb[NL80211_ATTR_MAC]) |
| return; |
| |
| os_memset(&event, 0, sizeof(event)); |
| event.rx_from_unknown.bssid = bss->addr; |
| event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]); |
| event.rx_from_unknown.wds = wds; |
| |
| wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event); |
| } |
| |
| |
| static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv, |
| const u8 *data, size_t len) |
| { |
| u32 i, count; |
| union wpa_event_data event; |
| struct wpa_freq_range *range = NULL; |
| const struct qca_avoid_freq_list *freq_range; |
| |
| freq_range = (const struct qca_avoid_freq_list *) data; |
| if (len < sizeof(freq_range->count)) |
| return; |
| |
| count = freq_range->count; |
| if (len < sizeof(freq_range->count) + |
| count * sizeof(struct qca_avoid_freq_range)) { |
| wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)", |
| (unsigned int) len); |
| return; |
| } |
| |
| if (count > 0) { |
| range = os_calloc(count, sizeof(struct wpa_freq_range)); |
| if (range == NULL) |
| return; |
| } |
| |
| os_memset(&event, 0, sizeof(event)); |
| for (i = 0; i < count; i++) { |
| unsigned int idx = event.freq_range.num; |
| range[idx].min = freq_range->range[i].start_freq; |
| range[idx].max = freq_range->range[i].end_freq; |
| wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u", |
| range[idx].min, range[idx].max); |
| if (range[idx].min > range[idx].max) { |
| wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range"); |
| continue; |
| } |
| event.freq_range.num++; |
| } |
| event.freq_range.range = range; |
| |
| wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event); |
| |
| os_free(range); |
| } |
| |
| |
| static enum hostapd_hw_mode get_qca_hw_mode(u8 hw_mode) |
| { |
| switch (hw_mode) { |
| case QCA_ACS_MODE_IEEE80211B: |
| return HOSTAPD_MODE_IEEE80211B; |
| case QCA_ACS_MODE_IEEE80211G: |
| return HOSTAPD_MODE_IEEE80211G; |
| case QCA_ACS_MODE_IEEE80211A: |
| return HOSTAPD_MODE_IEEE80211A; |
| case QCA_ACS_MODE_IEEE80211AD: |
| return HOSTAPD_MODE_IEEE80211AD; |
| case QCA_ACS_MODE_IEEE80211ANY: |
| return HOSTAPD_MODE_IEEE80211ANY; |
| default: |
| return NUM_HOSTAPD_MODES; |
| } |
| } |
| |
| |
| static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv, |
| const u8 *data, size_t len) |
| { |
| struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1]; |
| union wpa_event_data event; |
| |
| wpa_printf(MSG_DEBUG, |
| "nl80211: ACS channel selection vendor event received"); |
| |
| if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ACS_MAX, |
| (struct nlattr *) data, len, NULL) || |
| !tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL] || |
| !tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]) |
| return; |
| |
| os_memset(&event, 0, sizeof(event)); |
| event.acs_selected_channels.pri_channel = |
| nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL]); |
| event.acs_selected_channels.sec_channel = |
| nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]); |
| if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL]) |
| event.acs_selected_channels.vht_seg0_center_ch = |
| nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL]); |
| if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL]) |
| event.acs_selected_channels.vht_seg1_center_ch = |
| nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG1_CENTER_CHANNEL]); |
| if (tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH]) |
| event.acs_selected_channels.ch_width = |
| nla_get_u16(tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH]); |
| if (tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]) { |
| u8 hw_mode = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]); |
| |
| event.acs_selected_channels.hw_mode = get_qca_hw_mode(hw_mode); |
| if (event.acs_selected_channels.hw_mode == NUM_HOSTAPD_MODES || |
| event.acs_selected_channels.hw_mode == |
| HOSTAPD_MODE_IEEE80211ANY) { |
| wpa_printf(MSG_DEBUG, |
| "nl80211: Invalid hw_mode %d in ACS selection event", |
| hw_mode); |
| return; |
| } |
| } |
| |
| wpa_printf(MSG_INFO, |
| "nl80211: ACS Results: PCH: %d SCH: %d BW: %d VHT0: %d VHT1: %d HW_MODE: %d", |
| event.acs_selected_channels.pri_channel, |
| event.acs_selected_channels.sec_channel, |
| event.acs_selected_channels.ch_width, |
| event.acs_selected_channels.vht_seg0_center_ch, |
| event.acs_selected_channels.vht_seg1_center_ch, |
| event.acs_selected_channels.hw_mode); |
| |
| /* Ignore ACS channel list check for backwards compatibility */ |
| |
| wpa_supplicant_event(drv->ctx, EVENT_ACS_CHANNEL_SELECTED, &event); |
| } |
| |
| |
| static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv, |
| const u8 *data, size_t len) |
| { |
| struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX + 1]; |
| u8 *bssid; |
| |
| wpa_printf(MSG_DEBUG, |
| "nl80211: Key management roam+auth vendor event received"); |
| |
| if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX, |
| (struct nlattr *) data, len, NULL) || |
| !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID] || |
| nla_len(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]) != ETH_ALEN || |
| !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE] || |
| !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE] || |
| !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED]) |
| return; |
| |
| bssid = nla_data(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]); |
| wpa_printf(MSG_DEBUG, " * roam BSSID " MACSTR, MAC2STR(bssid)); |
| |
| mlme_event_connect(drv, NL80211_CMD_ROAM, NULL, |
| tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID], |
| tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE], |
| tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE], |
| tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED], |
| tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR], |
| tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK], |
| tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK]); |
| } |
| |
| |
| static void qca_nl80211_dfs_offload_radar_event( |
| struct wpa_driver_nl80211_data *drv, u32 subcmd, u8 *msg, int length) |
| { |
| union wpa_event_data data; |
| struct nlattr *tb[NL80211_ATTR_MAX + 1]; |
| |
| wpa_printf(MSG_DEBUG, |
| "nl80211: DFS offload radar vendor event received"); |
| |
| if (nla_parse(tb, NL80211_ATTR_MAX, |
| (struct nlattr *) msg, length, NULL)) |
| return; |
| |
| if (!tb[NL80211_ATTR_WIPHY_FREQ]) { |
| wpa_printf(MSG_INFO, |
| "nl80211: Error parsing WIPHY_FREQ in FS offload radar vendor event"); |
| return; |
| } |
| |
| os_memset(&data, 0, sizeof(data)); |
| data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]); |
| |
| wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz", |
| data.dfs_event.freq); |
| |
| /* Check HT params */ |
| if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
| data.dfs_event.ht_enabled = 1; |
| data.dfs_event.chan_offset = 0; |
| |
| switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) { |
| case NL80211_CHAN_NO_HT: |
| data.dfs_event.ht_enabled = 0; |
| break; |
| case NL80211_CHAN_HT20: |
| break; |
| case NL80211_CHAN_HT40PLUS: |
| data.dfs_event.chan_offset = 1; |
| break; |
| case NL80211_CHAN_HT40MINUS: |
| data.dfs_event.chan_offset = -1; |
| break; |
| } |
| } |
| |
| /* Get VHT params */ |
| if (tb[NL80211_ATTR_CHANNEL_WIDTH]) |
| data.dfs_event.chan_width = |
| convert2width(nla_get_u32( |
| tb[NL80211_ATTR_CHANNEL_WIDTH])); |
| if (tb[NL80211_ATTR_CENTER_FREQ1]) |
| data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]); |
| if (tb[NL80211_ATTR_CENTER_FREQ2]) |
| data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]); |
| |
| wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, " |
| "offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz", |
| data.dfs_event.freq, data.dfs_event.ht_enabled, |
| data.dfs_event.chan_offset, data.dfs_event.chan_width, |
| data.dfs_event.cf1, data.dfs_event.cf2); |
| |
| switch (subcmd) { |
| case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED: |
| wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data); |
| break; |
| case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED: |
| wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data); |
| break; |
| case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED: |
| wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data); |
| break; |
| case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED: |
| wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data); |
| break; |
| case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED: |
| wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data); |
| break; |
| default: |
| wpa_printf(MSG_DEBUG, |
| "nl80211: Unknown DFS offload radar event %d received", |
| subcmd); |
| break; |
| } |
| } |
| |
| |
| static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv, |
| u32 subcmd, u8 *data, size_t len) |
| { |
| switch (subcmd) { |
| case QCA_NL80211_VENDOR_SUBCMD_TEST: |
| wpa_hexdump(MSG_DEBUG, "nl80211: QCA test event", data, len); |
| break; |
| case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY: |
| qca_nl80211_avoid_freq(drv, data, len); |
| break; |
| case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH: |
| qca_nl80211_key_mgmt_auth(drv, data, len); |
| break; |
| case QCA_NL80211_VENDOR_SUBCMD_DO_ACS: |
| qca_nl80211_acs_select_ch(drv, data, len); |
| break; |
| case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED: |
| case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED: |
| case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED: |
| case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED: |
| case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED: |
| qca_nl80211_dfs_offload_radar_event(drv, subcmd, data, len); |
| break; |
| default: |
| wpa_printf(MSG_DEBUG, |
| "nl80211: Ignore unsupported QCA vendor event %u", |
| subcmd); |
| break; |
| } |
| } |
| |
| |
| static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr **tb) |
| { |
| u32 vendor_id, subcmd, wiphy = 0; |
| int wiphy_idx; |
| u8 *data = NULL; |
| size_t len = 0; |
| |
| if (!tb[NL80211_ATTR_VENDOR_ID] || |
| !tb[NL80211_ATTR_VENDOR_SUBCMD]) |
| return; |
| |
| vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]); |
| subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]); |
| |
| if (tb[NL80211_ATTR_WIPHY]) |
| wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u", |
| wiphy, vendor_id, subcmd); |
| |
| if (tb[NL80211_ATTR_VENDOR_DATA]) { |
| data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]); |
| len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]); |
| wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len); |
| } |
| |
| wiphy_idx = nl80211_get_wiphy_index(drv->first_bss); |
| if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) { |
| wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)", |
| wiphy, wiphy_idx); |
| return; |
| } |
| |
| switch (vendor_id) { |
| case OUI_QCA: |
| nl80211_vendor_event_qca(drv, subcmd, data, len); |
| break; |
| default: |
| wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event"); |
| break; |
| } |
| } |
| |
| |
| static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv, |
| struct nlattr *tb[]) |
| { |
| union wpa_event_data data; |
| enum nl80211_reg_initiator init; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change"); |
| |
| if (tb[NL80211_ATTR_REG_INITIATOR] == NULL) |
| return; |
| |
| os_memset(&data, 0, sizeof(data)); |
| init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]); |
| wpa_printf(MSG_DEBUG, " * initiator=%d", init); |
| switch (init) { |
| case NL80211_REGDOM_SET_BY_CORE: |
| data.channel_list_changed.initiator = REGDOM_SET_BY_CORE; |
| break; |
| case NL80211_REGDOM_SET_BY_USER: |
| data.channel_list_changed.initiator = REGDOM_SET_BY_USER; |
| break; |
| case NL80211_REGDOM_SET_BY_DRIVER: |
| data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER; |
| break; |
| case NL80211_REGDOM_SET_BY_COUNTRY_IE: |
| data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE; |
| break; |
| } |
| |
| if (tb[NL80211_ATTR_REG_TYPE]) { |
| enum nl80211_reg_type type; |
| type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]); |
| wpa_printf(MSG_DEBUG, " * type=%d", type); |
| switch (type) { |
| case NL80211_REGDOM_TYPE_COUNTRY: |
| data.channel_list_changed.type = REGDOM_TYPE_COUNTRY; |
| break; |
| case NL80211_REGDOM_TYPE_WORLD: |
| data.channel_list_changed.type = REGDOM_TYPE_WORLD; |
| break; |
| case NL80211_REGDOM_TYPE_CUSTOM_WORLD: |
| data.channel_list_changed.type = |
| REGDOM_TYPE_CUSTOM_WORLD; |
| break; |
| case NL80211_REGDOM_TYPE_INTERSECTION: |
| data.channel_list_changed.type = |
| REGDOM_TYPE_INTERSECTION; |
| break; |
| } |
| } |
| |
| if (tb[NL80211_ATTR_REG_ALPHA2]) { |
| os_strlcpy(data.channel_list_changed.alpha2, |
| nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]), |
| sizeof(data.channel_list_changed.alpha2)); |
| wpa_printf(MSG_DEBUG, " * alpha2=%s", |
| data.channel_list_changed.alpha2); |
| } |
| |
| wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data); |
| } |
| |
| |
| static void do_process_drv_event(struct i802_bss *bss, int cmd, |
| struct nlattr **tb) |
| { |
| struct wpa_driver_nl80211_data *drv = bss->drv; |
| union wpa_event_data data; |
| |
| wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s", |
| cmd, nl80211_command_to_string(cmd), bss->ifname); |
| |
| if (cmd == NL80211_CMD_ROAM && |
| (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) { |
| /* |
| * Device will use roam+auth vendor event to indicate |
| * roaming, so ignore the regular roam event. |
| */ |
| wpa_printf(MSG_DEBUG, |
| "nl80211: Ignore roam event (cmd=%d), device will use vendor event roam+auth", |
| cmd); |
| return; |
| } |
| |
| if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED && |
| (cmd == NL80211_CMD_NEW_SCAN_RESULTS || |
| cmd == NL80211_CMD_SCAN_ABORTED)) { |
| wpa_driver_nl80211_set_mode(drv->first_bss, |
| drv->ap_scan_as_station); |
| drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; |
| } |
| |
| switch (cmd) { |
| case NL80211_CMD_TRIGGER_SCAN: |
| wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger"); |
| drv->scan_state = SCAN_STARTED; |
| if (drv->scan_for_auth) { |
| /* |
| * Cannot indicate EVENT_SCAN_STARTED here since we skip |
| * EVENT_SCAN_RESULTS in scan_for_auth case and the |
| * upper layer implementation could get confused about |
| * scanning state. |
| */ |
| wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth"); |
| break; |
| } |
| wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL); |
| break; |
| case NL80211_CMD_START_SCHED_SCAN: |
| wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started"); |
| drv->scan_state = SCHED_SCAN_STARTED; |
| break; |
| case NL80211_CMD_SCHED_SCAN_STOPPED: |
| wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped"); |
| drv->scan_state = SCHED_SCAN_STOPPED; |
| wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL); |
| break; |
| case NL80211_CMD_NEW_SCAN_RESULTS: |
| wpa_dbg(drv->ctx, MSG_DEBUG, |
| "nl80211: New scan results available"); |
| drv->scan_state = SCAN_COMPLETED; |
| drv->scan_complete_events = 1; |
| eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, |
| drv->ctx); |
| send_scan_event(drv, 0, tb); |
| break; |
| case NL80211_CMD_SCHED_SCAN_RESULTS: |
| wpa_dbg(drv->ctx, MSG_DEBUG, |
| "nl80211: New sched scan results available"); |
| drv->scan_state = SCHED_SCAN_RESULTS; |
| send_scan_event(drv, 0, tb); |
| break; |
| case NL80211_CMD_SCAN_ABORTED: |
| wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted"); |
| drv->scan_state = SCAN_ABORTED; |
| /* |
| * Need to indicate that scan results are available in order |
| * not to make wpa_supplicant stop its scanning. |
| */ |
| eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, |
| drv->ctx); |
| send_scan_event(drv, 1, tb); |
| break; |
| case NL80211_CMD_AUTHENTICATE: |
| case NL80211_CMD_ASSOCIATE: |
| case NL80211_CMD_DEAUTHENTICATE: |
| case NL80211_CMD_DISASSOCIATE: |
| case NL80211_CMD_FRAME_TX_STATUS: |
| case NL80211_CMD_UNPROT_DEAUTHENTICATE: |
| case NL80211_CMD_UNPROT_DISASSOCIATE: |
| mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME], |
| tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT], |
| tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK], |
| tb[NL80211_ATTR_COOKIE], |
| tb[NL80211_ATTR_RX_SIGNAL_DBM], |
| tb[NL80211_ATTR_STA_WME]); |
| break; |
| case NL80211_CMD_CONNECT: |
| case NL80211_CMD_ROAM: |
| mlme_event_connect(drv, cmd, |
| tb[NL80211_ATTR_STATUS_CODE], |
| tb[NL80211_ATTR_MAC], |
| tb[NL80211_ATTR_REQ_IE], |
| tb[NL80211_ATTR_RESP_IE], |
| NULL, NULL, NULL, NULL); |
| break; |
| case NL80211_CMD_CH_SWITCH_NOTIFY: |
| mlme_event_ch_switch(drv, |
| tb[NL80211_ATTR_IFINDEX], |
| tb[NL80211_ATTR_WIPHY_FREQ], |
| tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE], |
| tb[NL80211_ATTR_CHANNEL_WIDTH], |
| tb[NL80211_ATTR_CENTER_FREQ1], |
| tb[NL80211_ATTR_CENTER_FREQ2]); |
| break; |
| case NL80211_CMD_DISCONNECT: |
| mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE], |
| tb[NL80211_ATTR_MAC], |
| tb[NL80211_ATTR_DISCONNECTED_BY_AP]); |
| break; |
| case NL80211_CMD_MICHAEL_MIC_FAILURE: |
| mlme_event_michael_mic_failure(bss, tb); |
| break; |
| case NL80211_CMD_JOIN_IBSS: |
| mlme_event_join_ibss(drv, tb); |
| break; |
| case NL80211_CMD_REMAIN_ON_CHANNEL: |
| mlme_event_remain_on_channel(drv, 0, tb); |
| break; |
| case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL: |
| mlme_event_remain_on_channel(drv, 1, tb); |
| break; |
| case NL80211_CMD_NOTIFY_CQM: |
| nl80211_cqm_event(drv, tb); |
| break; |
| case NL80211_CMD_REG_CHANGE: |
| nl80211_reg_change_event(drv, tb); |
| break; |
| case NL80211_CMD_REG_BEACON_HINT: |
| wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint"); |
| os_memset(&data, 0, sizeof(data)); |
| data.channel_list_changed.initiator = REGDOM_BEACON_HINT; |
| wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, |
| &data); |
| break; |
| case NL80211_CMD_NEW_STATION: |
| nl80211_new_station_event(drv, bss, tb); |
| break; |
| case NL80211_CMD_DEL_STATION: |
| nl80211_del_station_event(drv, tb); |
| break; |
| case NL80211_CMD_SET_REKEY_OFFLOAD: |
| nl80211_rekey_offload_event(drv, tb); |
| break; |
| case NL80211_CMD_PMKSA_CANDIDATE: |
| nl80211_pmksa_candidate_event(drv, tb); |
| break; |
| case NL80211_CMD_PROBE_CLIENT: |
| nl80211_client_probe_event(drv, tb); |
| break; |
| case NL80211_CMD_TDLS_OPER: |
| nl80211_tdls_oper_event(drv, tb); |
| break; |
| case NL80211_CMD_CONN_FAILED: |
| nl80211_connect_failed_event(drv, tb); |
| break; |
| case NL80211_CMD_FT_EVENT: |
| mlme_event_ft_event(drv, tb); |
| break; |
| case NL80211_CMD_RADAR_DETECT: |
| nl80211_radar_event(drv, tb); |
| break; |
| case NL80211_CMD_STOP_AP: |
| nl80211_stop_ap(drv, tb); |
| break; |
| case NL80211_CMD_VENDOR: |
| nl80211_vendor_event(drv, tb); |
| break; |
| case NL80211_CMD_NEW_PEER_CANDIDATE: |
| nl80211_new_peer_candidate(drv, tb); |
| break; |
| default: |
| wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event " |
| "(cmd=%d)", cmd); |
| break; |
| } |
| } |
| |
| |
| int process_global_event(struct nl_msg *msg, void *arg) |
| { |
| struct nl80211_global *global = arg; |
| struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); |
| struct nlattr *tb[NL80211_ATTR_MAX + 1]; |
| struct wpa_driver_nl80211_data *drv, *tmp; |
| int ifidx = -1; |
| struct i802_bss *bss; |
| u64 wdev_id = 0; |
| int wdev_id_set = 0; |
| |
| nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), |
| genlmsg_attrlen(gnlh, 0), NULL); |
| |
| if (tb[NL80211_ATTR_IFINDEX]) |
| ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); |
| else if (tb[NL80211_ATTR_WDEV]) { |
| wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]); |
| wdev_id_set = 1; |
| } |
| |
| dl_list_for_each_safe(drv, tmp, &global->interfaces, |
| struct wpa_driver_nl80211_data, list) { |
| for (bss = drv->first_bss; bss; bss = bss->next) { |
| if ((ifidx == -1 && !wdev_id_set) || |
| ifidx == bss->ifindex || |
| (wdev_id_set && bss->wdev_id_set && |
| wdev_id == bss->wdev_id)) { |
| do_process_drv_event(bss, gnlh->cmd, tb); |
| return NL_SKIP; |
| } |
| } |
| wpa_printf(MSG_DEBUG, |
| "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d wdev 0x%llx)", |
| gnlh->cmd, ifidx, (long long unsigned int) wdev_id); |
| } |
| |
| return NL_SKIP; |
| } |
| |
| |
| int process_bss_event(struct nl_msg *msg, void *arg) |
| { |
| struct i802_bss *bss = arg; |
| struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); |
| struct nlattr *tb[NL80211_ATTR_MAX + 1]; |
| |
| nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), |
| genlmsg_attrlen(gnlh, 0), NULL); |
| |
| wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s", |
| gnlh->cmd, nl80211_command_to_string(gnlh->cmd), |
| bss->ifname); |
| |
| switch (gnlh->cmd) { |
| case NL80211_CMD_FRAME: |
| case NL80211_CMD_FRAME_TX_STATUS: |
| mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME], |
| tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT], |
| tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK], |
| tb[NL80211_ATTR_COOKIE], |
| tb[NL80211_ATTR_RX_SIGNAL_DBM], |
| tb[NL80211_ATTR_STA_WME]); |
| break; |
| case NL80211_CMD_UNEXPECTED_FRAME: |
| nl80211_spurious_frame(bss, tb, 0); |
| break; |
| case NL80211_CMD_UNEXPECTED_4ADDR_FRAME: |
| nl80211_spurious_frame(bss, tb, 1); |
| break; |
| default: |
| wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event " |
| "(cmd=%d)", gnlh->cmd); |
| break; |
| } |
| |
| return NL_SKIP; |
| } |
