X-Git-Url: http://www.project-moonshot.org/gitweb/?p=mech_eap.git;a=blobdiff_plain;f=libeap%2Fsrc%2Fdrivers%2Fdriver_nl80211_event.c;fp=libeap%2Fsrc%2Fdrivers%2Fdriver_nl80211_event.c;h=762e3acc2807904af8ce9d2d3335ea0ed3c1d089;hp=0000000000000000000000000000000000000000;hb=f3746d009c6d7f50025af1f58a85e5fee9680be6;hpb=244f18d04aaf29e68495b5ffeb40ef5cca50942f diff --git a/libeap/src/drivers/driver_nl80211_event.c b/libeap/src/drivers/driver_nl80211_event.c new file mode 100644 index 0000000..762e3ac --- /dev/null +++ b/libeap/src/drivers/driver_nl80211_event.c @@ -0,0 +1,2333 @@ +/* + * Driver interaction with Linux nl80211/cfg80211 - Event processing + * Copyright (c) 2002-2014, Jouni Malinen + * Copyright (c) 2007, Johannes Berg + * 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 + +#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 *timed_out, + struct nlattr *authorized, + struct nlattr *key_replay_ctr, + struct nlattr *ptk_kck, + struct nlattr *ptk_kek, + struct nlattr *subnet_status) +{ + 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; + } + + drv->connect_reassoc = 0; + + 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; + event.assoc_reject.timed_out = timed_out != NULL; + 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 = 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); + } + + if (subnet_status) { + /* + * At least for now, this is only available from + * QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS and that + * attribute has the same values 0, 1, 2 as are used in the + * variable here, so no mapping between different values are + * needed. + */ + event.assoc_info.subnet_status = nla_get_u8(subnet_status); + } + + 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 da=" MACSTR " sa=" MACSTR " bssid=" MACSTR + " freq=%d ssi_signal=%d fc=0x%x seq_ctrl=0x%x stype=%u (%s) len=%u", + MAC2STR(mgmt->da), MAC2STR(mgmt->sa), MAC2STR(mgmt->bssid), + 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. + * In case of locally generated event clear + * ignore_next_local_deauth as well, to avoid next local + * deauth event be wrongly ignored. + */ + if (!os_memcmp(mgmt->sa, drv->first_bss->addr, + ETH_ALEN)) { + wpa_printf(MSG_DEBUG, + "nl80211: Received a locally generated deauth event. Clear ignore_next_local_deauth flag"); + drv->ignore_next_local_deauth = 0; + } else { + 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->capa.flags & WPA_DRIVER_FLAGS_SME) && + drv->connect_reassoc && drv->associated && + os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0 && + os_memcmp(bssid, drv->auth_attempt_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 connecting 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 { + event.deauth_info.locally_generated = + !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN); + 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; + if (event.deauth_info.locally_generated) + drv->ignore_next_local_deauth = 0; + return; + } + 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; + union wpa_event_data event; + + 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; + } + + os_memset(&event, 0, sizeof(event)); + event.assoc_info.freq = freq; + + wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event); +} + + +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[], int external_scan) +{ + 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 (!external_scan && 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; + info->external_scan = external_scan; + info->nl_scan_event = 1; + + 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[300], *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 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: Delete station " MACSTR, + MAC2STR(addr)); + + if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) { + drv_event_disassoc(bss->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(bss->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); +} + + +#ifdef CONFIG_DRIVER_NL80211_QCA + +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], + NULL, + 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], + tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS]); +} + + +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 qca_nl80211_scan_trigger_event(struct wpa_driver_nl80211_data *drv, + u8 *data, size_t len) +{ + struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1]; + u64 cookie = 0; + union wpa_event_data event; + struct scan_info *info; + + if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX, + (struct nlattr *) data, len, NULL) || + !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]) + return; + + cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]); + if (cookie != drv->vendor_scan_cookie) { + /* External scan trigger event, ignore */ + return; + } + + /* Cookie match, own scan */ + os_memset(&event, 0, sizeof(event)); + info = &event.scan_info; + info->external_scan = 0; + info->nl_scan_event = 0; + + drv->scan_state = SCAN_STARTED; + wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, &event); +} + + +static void send_vendor_scan_event(struct wpa_driver_nl80211_data *drv, + int aborted, struct nlattr *tb[], + int external_scan) +{ + union wpa_event_data event; + struct nlattr *nl; + int rem; + struct scan_info *info; + int freqs[MAX_REPORT_FREQS]; + int num_freqs = 0; + + os_memset(&event, 0, sizeof(event)); + info = &event.scan_info; + info->aborted = aborted; + info->external_scan = external_scan; + + if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS]) { + nla_for_each_nested(nl, + tb[QCA_WLAN_VENDOR_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[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES]) { + char msg[300], *pos, *end; + int res; + + pos = msg; + end = pos + sizeof(msg); + *pos = '\0'; + + nla_for_each_nested(nl, + tb[QCA_WLAN_VENDOR_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 qca_nl80211_scan_done_event(struct wpa_driver_nl80211_data *drv, + u8 *data, size_t len) +{ + struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1]; + u64 cookie = 0; + enum scan_status status; + int external_scan; + + if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX, + (struct nlattr *) data, len, NULL) || + !tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS] || + !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]) + return; + + status = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS]); + if (status >= VENDOR_SCAN_STATUS_MAX) + return; /* invalid status */ + + cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]); + if (cookie != drv->vendor_scan_cookie) { + /* Event from an external scan, get scan results */ + external_scan = 1; + } else { + external_scan = 0; + if (status == VENDOR_SCAN_STATUS_NEW_RESULTS) + drv->scan_state = SCAN_COMPLETED; + else + drv->scan_state = SCAN_ABORTED; + + eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, + drv->ctx); + drv->vendor_scan_cookie = 0; + drv->last_scan_cmd = 0; + } + + send_vendor_scan_event(drv, (status == VENDOR_SCAN_STATUS_ABORTED), tb, + external_scan); +} + + +static void qca_nl80211_p2p_lo_stop_event(struct wpa_driver_nl80211_data *drv, + u8 *data, size_t len) +{ + struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_MAX + 1]; + union wpa_event_data event; + + wpa_printf(MSG_DEBUG, + "nl80211: P2P listen offload stop vendor event received"); + + if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_MAX, + (struct nlattr *) data, len, NULL) || + !tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_STOP_REASON]) + return; + + os_memset(&event, 0, sizeof(event)); + event.p2p_lo_stop.reason_code = + nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_STOP_REASON]); + + wpa_printf(MSG_DEBUG, + "nl80211: P2P Listen offload stop reason: %d", + event.p2p_lo_stop.reason_code); + wpa_supplicant_event(drv->ctx, EVENT_P2P_LO_STOP, &event); +} + +#endif /* CONFIG_DRIVER_NL80211_QCA */ + + +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; +#ifdef CONFIG_DRIVER_NL80211_QCA + 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; + case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN: + qca_nl80211_scan_trigger_event(drv, data, len); + break; + case QCA_NL80211_VENDOR_SUBCMD_SCAN_DONE: + qca_nl80211_scan_done_event(drv, data, len); + break; + case QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP: + qca_nl80211_p2p_lo_stop_event(drv, data, len); + break; +#endif /* CONFIG_DRIVER_NL80211_QCA */ + 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; + int external_scan_event = 0; + + 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_complete_events = 1; + if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) { + drv->scan_state = SCAN_COMPLETED; + eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, + drv, drv->ctx); + drv->last_scan_cmd = 0; + } else { + external_scan_event = 1; + } + send_scan_event(drv, 0, tb, external_scan_event); + 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, 0); + break; + case NL80211_CMD_SCAN_ABORTED: + wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted"); + if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) { + 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); + drv->last_scan_cmd = 0; + } else { + external_scan_event = 1; + } + send_scan_event(drv, 1, tb, external_scan_event); + 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], + tb[NL80211_ATTR_TIMED_OUT], + NULL, 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, bss, 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; +}