+static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ int ret;
+
+ memset(survey, 0, sizeof(*survey));
+
+ /* only support global statistics right now */
+ if (idx != 0)
+ return -ENOENT;
+
+ if (!(mvm->fw->ucode_capa.capa[0] &
+ IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
+ return -ENOENT;
+
+ mutex_lock(&mvm->mutex);
+
+ if (mvm->ucode_loaded) {
+ ret = iwl_mvm_request_statistics(mvm, false);
+ if (ret)
+ goto out;
+ }
+
+ survey->filled = SURVEY_INFO_TIME |
+ SURVEY_INFO_TIME_RX |
+ SURVEY_INFO_TIME_TX |
+ SURVEY_INFO_TIME_SCAN;
+ survey->time = mvm->accu_radio_stats.on_time_rf +
+ mvm->radio_stats.on_time_rf;
+ do_div(survey->time, USEC_PER_MSEC);
+
+ survey->time_rx = mvm->accu_radio_stats.rx_time +
+ mvm->radio_stats.rx_time;
+ do_div(survey->time_rx, USEC_PER_MSEC);
+
+ survey->time_tx = mvm->accu_radio_stats.tx_time +
+ mvm->radio_stats.tx_time;
+ do_div(survey->time_tx, USEC_PER_MSEC);
+
+ survey->time_scan = mvm->accu_radio_stats.on_time_scan +
+ mvm->radio_stats.on_time_scan;
+ do_div(survey->time_scan, USEC_PER_MSEC);
+
+ ret = 0;
+ out:
+ mutex_unlock(&mvm->mutex);
+ return ret;
+}
+
+static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct station_info *sinfo)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
+
+ if (!(mvm->fw->ucode_capa.capa[0] &
+ IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
+ return;
+
+ /* if beacon filtering isn't on mac80211 does it anyway */
+ if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
+ return;
+
+ if (!vif->bss_conf.assoc)
+ return;
+
+ mutex_lock(&mvm->mutex);
+
+ if (mvmvif->ap_sta_id != mvmsta->sta_id)
+ goto unlock;
+
+ if (iwl_mvm_request_statistics(mvm, false))
+ goto unlock;
+
+ sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons +
+ mvmvif->beacon_stats.accu_num_beacons;
+ sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX);
+ if (mvmvif->beacon_stats.avg_signal) {
+ /* firmware only reports a value after RXing a few beacons */
+ sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal;
+ sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
+ }
+ unlock:
+ mutex_unlock(&mvm->mutex);
+}
+
+static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ const struct ieee80211_event *event)
+{
+#define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \
+ do { \
+ if ((_cnt) && --(_cnt)) \
+ break; \
+ iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\
+ } while (0)
+
+ struct iwl_fw_dbg_trigger_tlv *trig;
+ struct iwl_fw_dbg_trigger_mlme *trig_mlme;
+
+ if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
+ return;
+
+ trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
+ trig_mlme = (void *)trig->data;
+ if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
+ return;
+
+ if (event->u.mlme.data == ASSOC_EVENT) {
+ if (event->u.mlme.status == MLME_DENIED)
+ CHECK_MLME_TRIGGER(mvm, trig, buf,
+ trig_mlme->stop_assoc_denied,
+ "DENIED ASSOC: reason %d",
+ event->u.mlme.reason);
+ else if (event->u.mlme.status == MLME_TIMEOUT)
+ CHECK_MLME_TRIGGER(mvm, trig, buf,
+ trig_mlme->stop_assoc_timeout,
+ "ASSOC TIMEOUT");
+ } else if (event->u.mlme.data == AUTH_EVENT) {
+ if (event->u.mlme.status == MLME_DENIED)
+ CHECK_MLME_TRIGGER(mvm, trig, buf,
+ trig_mlme->stop_auth_denied,
+ "DENIED AUTH: reason %d",
+ event->u.mlme.reason);
+ else if (event->u.mlme.status == MLME_TIMEOUT)
+ CHECK_MLME_TRIGGER(mvm, trig, buf,
+ trig_mlme->stop_auth_timeout,
+ "AUTH TIMEOUT");
+ } else if (event->u.mlme.data == DEAUTH_RX_EVENT) {
+ CHECK_MLME_TRIGGER(mvm, trig, buf,
+ trig_mlme->stop_rx_deauth,
+ "DEAUTH RX %d", event->u.mlme.reason);
+ } else if (event->u.mlme.data == DEAUTH_TX_EVENT) {
+ CHECK_MLME_TRIGGER(mvm, trig, buf,
+ trig_mlme->stop_tx_deauth,
+ "DEAUTH TX %d", event->u.mlme.reason);
+ }
+#undef CHECK_MLME_TRIGGER
+}
+
+static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ const struct ieee80211_event *event)
+{
+ struct iwl_fw_dbg_trigger_tlv *trig;
+ struct iwl_fw_dbg_trigger_ba *ba_trig;
+
+ if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
+ return;
+
+ trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
+ ba_trig = (void *)trig->data;
+ if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
+ return;
+
+ if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
+ return;
+
+ iwl_mvm_fw_dbg_collect_trig(mvm, trig,
+ "BAR received from %pM, tid %d, ssn %d",
+ event->u.ba.sta->addr, event->u.ba.tid,
+ event->u.ba.ssn);
+}
+
+static void
+iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ const struct ieee80211_event *event)
+{
+ struct iwl_fw_dbg_trigger_tlv *trig;
+ struct iwl_fw_dbg_trigger_ba *ba_trig;
+
+ if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
+ return;
+
+ trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
+ ba_trig = (void *)trig->data;
+ if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
+ return;
+
+ if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(event->u.ba.tid)))
+ return;
+
+ iwl_mvm_fw_dbg_collect_trig(mvm, trig,
+ "Frame from %pM timed out, tid %d",
+ event->u.ba.sta->addr, event->u.ba.tid);
+}
+
+static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const struct ieee80211_event *event)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+
+ switch (event->type) {
+ case MLME_EVENT:
+ iwl_mvm_event_mlme_callback(mvm, vif, event);
+ break;
+ case BAR_RX_EVENT:
+ iwl_mvm_event_bar_rx_callback(mvm, vif, event);
+ break;
+ case BA_FRAME_TIMEOUT:
+ iwl_mvm_event_frame_timeout_callback(mvm, vif, event);
+ break;
+ default:
+ break;
+ }
+}
+