static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
{
	int ret;
	u32 vector;
	bool beacon_loss = false;

	wl1271_event_mbox_dump(mbox);

	vector = le32_to_cpu(mbox->events_vector);
	vector &= ~(le32_to_cpu(mbox->events_mask));
	wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector);

	if (vector & SCAN_COMPLETE_EVENT_ID) {
		ret = wl1271_event_scan_complete(wl, mbox);
		if (ret < 0)
			return ret;
	}

	/*
	 * The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon
	 * filtering) is enabled. Without PSM, the stack will receive all
	 * beacons and can detect beacon loss by itself.
	 *
	 * As there's possibility that the driver disables PSM before receiving
	 * BSS_LOSE_EVENT, beacon loss has to be reported to the stack.
	 *
	 */
	if (vector & BSS_LOSE_EVENT_ID) {
		wl1271_info("Beacon loss detected.");

		/* indicate to the stack, that beacons have been lost */
		beacon_loss = true;
	}

	if (vector & PS_REPORT_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "PS_REPORT_EVENT");
		ret = wl1271_event_ps_report(wl, mbox, &beacon_loss);
		if (ret < 0)
			return ret;
	}

	if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT");
		if (wl->vif)
			wl1271_event_rssi_trigger(wl, mbox);
	}

	if (wl->vif && beacon_loss)
		ieee80211_connection_loss(wl->vif);

	return 0;
}
Beispiel #2
0
static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
{
	int ret;
	u32 vector;
	bool beacon_loss = false;

	wl1271_event_mbox_dump(mbox);

	vector = le32_to_cpu(mbox->events_vector);
	vector &= ~(le32_to_cpu(mbox->events_mask));
	wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector);

	if (vector & SCAN_COMPLETE_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "status: 0x%x",
			     mbox->scheduled_scan_status);

		wl1271_scan_stm(wl);
	}

	/* disable dynamic PS when requested by the firmware */
	if (vector & SOFT_GEMINI_SENSE_EVENT_ID &&
	    wl->bss_type == BSS_TYPE_STA_BSS) {
		if (mbox->soft_gemini_sense_info)
			ieee80211_disable_dyn_ps(wl->vif);
		else
			ieee80211_enable_dyn_ps(wl->vif);
	}

	/*
	 * The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon
	 * filtering) is enabled. Without PSM, the stack will receive all
	 * beacons and can detect beacon loss by itself.
	 *
	 * As there's possibility that the driver disables PSM before receiving
	 * BSS_LOSE_EVENT, beacon loss has to be reported to the stack.
	 *
	 */
	if (vector & BSS_LOSE_EVENT_ID) {
		wl1271_info("Beacon loss detected.");

		/* indicate to the stack, that beacons have been lost */
		beacon_loss = true;
	}

	if (vector & PS_REPORT_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "PS_REPORT_EVENT");
		ret = wl1271_event_ps_report(wl, mbox, &beacon_loss);
		if (ret < 0)
			return ret;
	}

	if (vector & PSPOLL_DELIVERY_FAILURE_EVENT_ID)
		wl1271_event_pspoll_delivery_fail(wl);

	if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT");
		if (wl->vif)
			wl1271_event_rssi_trigger(wl, mbox);
	}

	if (wl->vif && beacon_loss)
		ieee80211_connection_loss(wl->vif);

	return 0;
}
static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
{
	int ret;
	u32 vector;
	bool beacon_loss = false;
	bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
	bool disconnect_sta = false;
	unsigned long sta_bitmap = 0;

	wl1271_event_mbox_dump(mbox);

	vector = le32_to_cpu(mbox->events_vector);
	vector &= ~(le32_to_cpu(mbox->events_mask));
	wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector);

	if (vector & SCAN_COMPLETE_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "status: 0x%x",
			     mbox->scheduled_scan_status);

		wl1271_scan_stm(wl);
	}

	if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_REPORT_EVENT "
			     "(status 0x%0x)", mbox->scheduled_scan_status);

		wl1271_scan_sched_scan_results(wl);
	}

	if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_COMPLETE_EVENT "
			     "(status 0x%0x)", mbox->scheduled_scan_status);
		if (wl->sched_scanning) {
			ieee80211_sched_scan_stopped(wl->hw);
			wl->sched_scanning = false;
		}
	}

	if (vector & SOFT_GEMINI_SENSE_EVENT_ID &&
	    wl->bss_type == BSS_TYPE_STA_BSS)
		wl12xx_event_soft_gemini_sense(wl,
					       mbox->soft_gemini_sense_info);

	if (vector & CHANGE_AUTO_MODE_TIMEOUT_EVENT_ID &&
	    wl->bss_type == BSS_TYPE_STA_BSS) {
		int timeout = 0;
		if (mbox->change_auto_mode_timeout)
			timeout = 500;
		ieee80211_set_dyn_ps_timeout(wl->vif, timeout);
	}
	
	/*
	 * The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon
	 * filtering) is enabled. Without PSM, the stack will receive all
	 * beacons and can detect beacon loss by itself.
	 *
	 * As there's possibility that the driver disables PSM before receiving
	 * BSS_LOSE_EVENT, beacon loss has to be reported to the stack.
	 *
	 */
	if ((vector & BSS_LOSE_EVENT_ID) && !is_ap) {
		wl1271_info("Beacon loss detected.");

		/* indicate to the stack, that beacons have been lost */
		beacon_loss = true;
	}

	if ((vector & PS_REPORT_EVENT_ID) && !is_ap) {
		wl1271_debug(DEBUG_EVENT, "PS_REPORT_EVENT");
		ret = wl1271_event_ps_report(wl, mbox, &beacon_loss);
		if (ret < 0)
			return ret;
	}

	if ((vector & PSPOLL_DELIVERY_FAILURE_EVENT_ID) && !is_ap)
		wl1271_event_pspoll_delivery_fail(wl);

	if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT");
		if (wl->vif)
			wl1271_event_rssi_trigger(wl, mbox);
	}

	if ((vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID)) {
		wl1271_debug(DEBUG_EVENT, "BA_SESSION_RX_CONSTRAINT_EVENT_ID. "
			     "ba_allowed = 0x%x", mbox->rx_ba_allowed);

		wl->ba_allowed = !!mbox->rx_ba_allowed;

		if (wl->vif && !wl->ba_allowed)
			wl1271_stop_ba_event(wl);
	}

	if ((vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) && !is_ap) {
		wl1271_debug(DEBUG_EVENT, "CHANNEL_SWITCH_COMPLETE_EVENT_ID. "
					  "channel_switch_status = 0x%x",
					  mbox->channel_switch_status);
		/*
		 * That event uses for two cases:
		 * 1) channel switch complete with channel_switch_status=0
		 * 2) fixing beacon actual TSF with channel_switch_status=1
		 * calling chswitch_done only for the first option
		 */
		if (!mbox->channel_switch_status &&
		    test_and_clear_bit(WL1271_FLAG_CS_PROGRESS, &wl->flags) &&
		    (wl->vif))
			ieee80211_chswitch_done(wl->vif, true);
	}

	if ((vector & DUMMY_PACKET_EVENT_ID)) {
		wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
		if (wl->vif)
			wl1271_tx_dummy_packet(wl);
	}

	if (vector & DISCONNECT_EVENT_COMPLETE_ID)
		wl1271_debug(DEBUG_EVENT, "disconnect event");

	/*
	 * "TX retries exceeded" has a different meaning according to mode.
	 * In AP mode the offending station is disconnected.
	 */
	if ((vector & MAX_TX_RETRY_EVENT_ID) && is_ap) {
		wl1271_debug(DEBUG_EVENT, "MAX_TX_RETRY_EVENT_ID");
		sta_bitmap |= le16_to_cpu(mbox->sta_tx_retry_exceeded);
		disconnect_sta = true;
	}

	if ((vector & INACTIVE_STA_EVENT_ID) && is_ap) {
		wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID");
		sta_bitmap |= le16_to_cpu(mbox->sta_aging_status);
		disconnect_sta = true;
	}

	if (is_ap && disconnect_sta) {
		u32 num_packets = wl->conf.tx.max_tx_retries;
		struct ieee80211_sta *sta;
		const u8 *addr;
		int h;

		for (h = find_first_bit(&sta_bitmap, AP_MAX_LINKS);
		     h < AP_MAX_LINKS;
		     h = find_next_bit(&sta_bitmap, AP_MAX_LINKS, h+1)) {
			if (!wl1271_is_active_sta(wl, h))
				continue;

			addr = wl->links[h].addr;

			rcu_read_lock();
			sta = ieee80211_find_sta(wl->vif, addr);
			if (sta) {
				wl1271_debug(DEBUG_EVENT, "remove sta %d", h);
				ieee80211_report_low_ack(sta, num_packets);
			}
			rcu_read_unlock();
		}
	}

	if (wl->vif && beacon_loss)
		ieee80211_connection_loss(wl->vif);

	return 0;
}
Beispiel #4
0
static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
{
	int ret;
	u32 vector;
	bool beacon_loss = false;
	bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
	bool disconnect_sta = false;
	unsigned long sta_bitmap = 0;

	wl1271_event_mbox_dump(mbox);

	vector = le32_to_cpu(mbox->events_vector);
	vector &= ~(le32_to_cpu(mbox->events_mask));
	wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector);

	if (vector & SCAN_COMPLETE_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "status: 0x%x",
			     mbox->scheduled_scan_status);

		wl1271_scan_stm(wl);
	}

	/* disable dynamic PS when requested by the firmware */
	if (vector & SOFT_GEMINI_SENSE_EVENT_ID &&
	    wl->bss_type == BSS_TYPE_STA_BSS) {
		if (mbox->soft_gemini_sense_info)
			ieee80211_disable_dyn_ps(wl->vif);
		else
			ieee80211_enable_dyn_ps(wl->vif);
	}

	/*
	 * The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon
	 * filtering) is enabled. Without PSM, the stack will receive all
	 * beacons and can detect beacon loss by itself.
	 *
	 * As there's possibility that the driver disables PSM before receiving
	 * BSS_LOSE_EVENT, beacon loss has to be reported to the stack.
	 *
	 */
	if ((vector & BSS_LOSE_EVENT_ID) && !is_ap) {
		wl1271_info("Beacon loss detected.");

		/* indicate to the stack, that beacons have been lost */
		beacon_loss = true;
	}

	if ((vector & PS_REPORT_EVENT_ID) && !is_ap) {
		wl1271_debug(DEBUG_EVENT, "PS_REPORT_EVENT");
		ret = wl1271_event_ps_report(wl, mbox, &beacon_loss);
		if (ret < 0)
			return ret;
	}

	if ((vector & PSPOLL_DELIVERY_FAILURE_EVENT_ID) && !is_ap)
		wl1271_event_pspoll_delivery_fail(wl);

	if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT");
		if (wl->vif)
			wl1271_event_rssi_trigger(wl, mbox);
	}

	if ((vector & DUMMY_PACKET_EVENT_ID) && !is_ap) {
		wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
		if (wl->vif)
			wl1271_tx_dummy_packet(wl);
	}

	/*
	 * "TX retries exceeded" has a different meaning according to mode.
	 * In AP mode the offending station is disconnected. In STA mode we
	 * report connection loss.
	 */
	if (vector & MAX_TX_RETRY_EVENT_ID) {
		wl1271_debug(DEBUG_EVENT, "MAX_TX_RETRY_EVENT_ID");
		if (is_ap) {
			sta_bitmap |= le16_to_cpu(mbox->sta_tx_retry_exceeded);
			disconnect_sta = true;
		} else {
			beacon_loss = true;
		}
	}

	if ((vector & INACTIVE_STA_EVENT_ID) && is_ap) {
		wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID");
		sta_bitmap |= le16_to_cpu(mbox->sta_aging_status);
		disconnect_sta = true;
	}

	if (wl->vif && beacon_loss)
		ieee80211_connection_loss(wl->vif);

	if (is_ap && disconnect_sta) {
		u32 num_packets = wl->conf.tx.max_tx_retries;
		struct ieee80211_sta *sta;
		const u8 *addr;
		int h;

		for (h = find_first_bit(&sta_bitmap, AP_MAX_LINKS);
		     h < AP_MAX_LINKS;
		     h = find_next_bit(&sta_bitmap, AP_MAX_LINKS, h+1)) {
			if (!wl1271_is_active_sta(wl, h))
				continue;

			addr = wl->links[h].addr;

			rcu_read_lock();
			sta = ieee80211_find_sta(wl->vif, addr);
			if (sta) {
				wl1271_debug(DEBUG_EVENT, "remove sta %d", h);
#if 0
				ieee80211_report_low_ack(sta, num_packets);
#endif
			}
			rcu_read_unlock();
		}
	}

	return 0;
}