[deliverable/linux.git] / drivers / net / wireless / ti / wlcore / event.c

/*
 * This file is part of wl1271
 *
 * Copyright (C) 2008-2009 Nokia Corporation
 *
 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include "wlcore.h"
#include "debug.h"
#include "io.h"
#include "event.h"
#include "ps.h"
#include "scan.h"
#include "wl12xx_80211.h"
#include "hw_ops.h"

#define WL18XX_LOGGER_SDIO_BUFF_MAX	(0x1020)
#define WL18XX_DATA_RAM_BASE_ADDRESS	(0x20000000)
#define WL18XX_LOGGER_SDIO_BUFF_ADDR	(0x40159c)
#define WL18XX_LOGGER_BUFF_OFFSET	(sizeof(struct fw_logger_information))
#define WL18XX_LOGGER_READ_POINT_OFFSET		(12)

int wlcore_event_fw_logger(struct wl1271 *wl)
{
	u32 ret;
	struct fw_logger_information fw_log;
	u8  *buffer;
	u32 internal_fw_addrbase = WL18XX_DATA_RAM_BASE_ADDRESS;
	u32 addr = WL18XX_LOGGER_SDIO_BUFF_ADDR;
	u32 end_buff_addr = WL18XX_LOGGER_SDIO_BUFF_ADDR +
				WL18XX_LOGGER_BUFF_OFFSET;
	u32 available_len;
	u32 actual_len;
	u32 clear_addr;
	size_t len;
	u32 start_loc;

	buffer = kzalloc(WL18XX_LOGGER_SDIO_BUFF_MAX, GFP_KERNEL);
	if (!buffer) {
		wl1271_error("Fail to allocate fw logger memory");
		fw_log.actual_buff_size = cpu_to_le32(0);
		goto out;
	}

	ret = wlcore_read(wl, addr, buffer, WL18XX_LOGGER_SDIO_BUFF_MAX,
			  false);
	if (ret < 0) {
		wl1271_error("Fail to read logger buffer, error_id = %d",
			     ret);
		fw_log.actual_buff_size = cpu_to_le32(0);
		goto free_out;
	}

	memcpy(&fw_log, buffer, sizeof(fw_log));

	if (le32_to_cpu(fw_log.actual_buff_size) == 0)
		goto free_out;

	actual_len = le32_to_cpu(fw_log.actual_buff_size);
	start_loc = (le32_to_cpu(fw_log.buff_read_ptr) -
			internal_fw_addrbase) - addr;
	end_buff_addr += le32_to_cpu(fw_log.max_buff_size);
	available_len = end_buff_addr -
			(le32_to_cpu(fw_log.buff_read_ptr) -
				 internal_fw_addrbase);
	actual_len = min(actual_len, available_len);
	len = actual_len;

	wl12xx_copy_fwlog(wl, &buffer[start_loc], len);
	clear_addr = addr + start_loc + le32_to_cpu(fw_log.actual_buff_size) +
			internal_fw_addrbase;

	len = le32_to_cpu(fw_log.actual_buff_size) - len;
	if (len) {
		wl12xx_copy_fwlog(wl,
				  &buffer[WL18XX_LOGGER_BUFF_OFFSET],
				  len);
		clear_addr = addr + WL18XX_LOGGER_BUFF_OFFSET + len +
				internal_fw_addrbase;
	}

	/* double check that clear address and write pointer are the same */
	if (clear_addr != le32_to_cpu(fw_log.buff_write_ptr)) {
		wl1271_error("Calculate of clear addr Clear = %x, write = %x",
			     clear_addr, le32_to_cpu(fw_log.buff_write_ptr));
	}

	/* indicate FW about Clear buffer */
	ret = wlcore_write32(wl, addr + WL18XX_LOGGER_READ_POINT_OFFSET,
			     fw_log.buff_write_ptr);
free_out:
	kfree(buffer);
out:
	return le32_to_cpu(fw_log.actual_buff_size);
}
EXPORT_SYMBOL_GPL(wlcore_event_fw_logger);

void wlcore_event_rssi_trigger(struct wl1271 *wl, s8 *metric_arr)
{
	struct wl12xx_vif *wlvif;
	struct ieee80211_vif *vif;
	enum nl80211_cqm_rssi_threshold_event event;
	s8 metric = metric_arr[0];

	wl1271_debug(DEBUG_EVENT, "RSSI trigger metric: %d", metric);

	/* TODO: check actual multi-role support */
	wl12xx_for_each_wlvif_sta(wl, wlvif) {
		if (metric <= wlvif->rssi_thold)
			event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
		else
			event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;

		vif = wl12xx_wlvif_to_vif(wlvif);
		if (event != wlvif->last_rssi_event)
			ieee80211_cqm_rssi_notify(vif, event, GFP_KERNEL);
		wlvif->last_rssi_event = event;
	}
}
EXPORT_SYMBOL_GPL(wlcore_event_rssi_trigger);

static void wl1271_stop_ba_event(struct wl1271 *wl, struct wl12xx_vif *wlvif)
{
	struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);

	if (wlvif->bss_type != BSS_TYPE_AP_BSS) {
		u8 hlid = wlvif->sta.hlid;
		if (!wl->links[hlid].ba_bitmap)
			return;
		ieee80211_stop_rx_ba_session(vif, wl->links[hlid].ba_bitmap,
					     vif->bss_conf.bssid);
	} else {
		u8 hlid;
		struct wl1271_link *lnk;
		for_each_set_bit(hlid, wlvif->ap.sta_hlid_map,
				 wl->num_links) {
			lnk = &wl->links[hlid];
			if (!lnk->ba_bitmap)
				continue;

			ieee80211_stop_rx_ba_session(vif,
						     lnk->ba_bitmap,
						     lnk->addr);
		}
	}
}

void wlcore_event_soft_gemini_sense(struct wl1271 *wl, u8 enable)
{
	struct wl12xx_vif *wlvif;

	if (enable) {
		set_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
	} else {
		clear_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
		wl12xx_for_each_wlvif_sta(wl, wlvif) {
			wl1271_recalc_rx_streaming(wl, wlvif);
		}
	}
}
EXPORT_SYMBOL_GPL(wlcore_event_soft_gemini_sense);

void wlcore_event_sched_scan_completed(struct wl1271 *wl,
				       u8 status)
{
	wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_COMPLETE_EVENT (status 0x%0x)",
		     status);

	if (wl->sched_vif) {
		ieee80211_sched_scan_stopped(wl->hw);
		wl->sched_vif = NULL;
	}
}
EXPORT_SYMBOL_GPL(wlcore_event_sched_scan_completed);

void wlcore_event_ba_rx_constraint(struct wl1271 *wl,
				   unsigned long roles_bitmap,
				   unsigned long allowed_bitmap)
{
	struct wl12xx_vif *wlvif;

	wl1271_debug(DEBUG_EVENT, "%s: roles=0x%lx allowed=0x%lx",
		     __func__, roles_bitmap, allowed_bitmap);

	wl12xx_for_each_wlvif(wl, wlvif) {
		if (wlvif->role_id == WL12XX_INVALID_ROLE_ID ||
		    !test_bit(wlvif->role_id , &roles_bitmap))
			continue;

		wlvif->ba_allowed = !!test_bit(wlvif->role_id,
					       &allowed_bitmap);
		if (!wlvif->ba_allowed)
			wl1271_stop_ba_event(wl, wlvif);
	}
}
EXPORT_SYMBOL_GPL(wlcore_event_ba_rx_constraint);

void wlcore_event_channel_switch(struct wl1271 *wl,
				 unsigned long roles_bitmap,
				 bool success)
{
	struct wl12xx_vif *wlvif;
	struct ieee80211_vif *vif;

	wl1271_debug(DEBUG_EVENT, "%s: roles=0x%lx success=%d",
		     __func__, roles_bitmap, success);

	wl12xx_for_each_wlvif(wl, wlvif) {
		if (wlvif->role_id == WL12XX_INVALID_ROLE_ID ||
		    !test_bit(wlvif->role_id , &roles_bitmap))
			continue;

		if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS,
					&wlvif->flags))
			continue;

		vif = wl12xx_wlvif_to_vif(wlvif);

		if (wlvif->bss_type == BSS_TYPE_STA_BSS) {
			ieee80211_chswitch_done(vif, success);
			cancel_delayed_work(&wlvif->channel_switch_work);
		} else {
			set_bit(WLVIF_FLAG_BEACON_DISABLED, &wlvif->flags);
			ieee80211_csa_finish(vif);
		}
	}
}
EXPORT_SYMBOL_GPL(wlcore_event_channel_switch);

void wlcore_event_dummy_packet(struct wl1271 *wl)
{
	if (wl->plt) {
		wl1271_info("Got DUMMY_PACKET event in PLT mode.  FW bug, ignoring.");
		return;
	}

	wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
	wl1271_tx_dummy_packet(wl);
}
EXPORT_SYMBOL_GPL(wlcore_event_dummy_packet);

static void wlcore_disconnect_sta(struct wl1271 *wl, unsigned long sta_bitmap)
{
	u32 num_packets = wl->conf.tx.max_tx_retries;
	struct wl12xx_vif *wlvif;
	struct ieee80211_vif *vif;
	struct ieee80211_sta *sta;
	const u8 *addr;
	int h;

	for_each_set_bit(h, &sta_bitmap, wl->num_links) {
		bool found = false;
		/* find the ap vif connected to this sta */
		wl12xx_for_each_wlvif_ap(wl, wlvif) {
			if (!test_bit(h, wlvif->ap.sta_hlid_map))
				continue;
			found = true;
			break;
		}
		if (!found)
			continue;

		vif = wl12xx_wlvif_to_vif(wlvif);
		addr = wl->links[h].addr;

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

void wlcore_event_max_tx_failure(struct wl1271 *wl, unsigned long sta_bitmap)
{
	wl1271_debug(DEBUG_EVENT, "MAX_TX_FAILURE_EVENT_ID");
	wlcore_disconnect_sta(wl, sta_bitmap);
}
EXPORT_SYMBOL_GPL(wlcore_event_max_tx_failure);

void wlcore_event_inactive_sta(struct wl1271 *wl, unsigned long sta_bitmap)
{
	wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID");
	wlcore_disconnect_sta(wl, sta_bitmap);
}
EXPORT_SYMBOL_GPL(wlcore_event_inactive_sta);

void wlcore_event_roc_complete(struct wl1271 *wl)
{
	wl1271_debug(DEBUG_EVENT, "REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID");
	if (wl->roc_vif)
		ieee80211_ready_on_channel(wl->hw);
}
EXPORT_SYMBOL_GPL(wlcore_event_roc_complete);

void wlcore_event_beacon_loss(struct wl1271 *wl, unsigned long roles_bitmap)
{
	/*
	 * We are HW_MONITOR device. On beacon loss - queue
	 * connection loss work. Cancel it on REGAINED event.
	 */
	struct wl12xx_vif *wlvif;
	struct ieee80211_vif *vif;
	int delay = wl->conf.conn.synch_fail_thold *
				wl->conf.conn.bss_lose_timeout;

	wl1271_info("Beacon loss detected. roles:0x%lx", roles_bitmap);

	wl12xx_for_each_wlvif_sta(wl, wlvif) {
		if (wlvif->role_id == WL12XX_INVALID_ROLE_ID ||
		    !test_bit(wlvif->role_id , &roles_bitmap))
			continue;

		vif = wl12xx_wlvif_to_vif(wlvif);

		/* don't attempt roaming in case of p2p */
		if (wlvif->p2p) {
			ieee80211_connection_loss(vif);
			continue;
		}

		/*
		 * if the work is already queued, it should take place.
		 * We don't want to delay the connection loss
		 * indication any more.
		 */
		ieee80211_queue_delayed_work(wl->hw,
					     &wlvif->connection_loss_work,
					     msecs_to_jiffies(delay));

		ieee80211_cqm_beacon_loss_notify(vif, GFP_KERNEL);
	}
}
EXPORT_SYMBOL_GPL(wlcore_event_beacon_loss);

int wl1271_event_unmask(struct wl1271 *wl)
{
	int ret;

	wl1271_debug(DEBUG_EVENT, "unmasking event_mask 0x%x", wl->event_mask);
	ret = wl1271_acx_event_mbox_mask(wl, ~(wl->event_mask));
	if (ret < 0)
		return ret;

	return 0;
}

int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
{
	int ret;

	wl1271_debug(DEBUG_EVENT, "EVENT on mbox %d", mbox_num);

	if (mbox_num > 1)
		return -EINVAL;

	/* first we read the mbox descriptor */
	ret = wlcore_read(wl, wl->mbox_ptr[mbox_num], wl->mbox,
			  wl->mbox_size, false);
	if (ret < 0)
		return ret;

	/* process the descriptor */
	ret = wl->ops->process_mailbox_events(wl);
	if (ret < 0)
		return ret;

	/*
	 * TODO: we just need this because one bit is in a different
	 * place.  Is there any better way?
	 */
	ret = wl->ops->ack_event(wl);

	return ret;
}
Commit	Line	Data
f5fc0f86 LC	1	/*
	2	* This file is part of wl1271
	3	*
	4	* Copyright (C) 2008-2009 Nokia Corporation
	5	*
	6	* Contact: Luciano Coelho <luciano.coelho@nokia.com>
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License
	10	* version 2 as published by the Free Software Foundation.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	20	* 02110-1301 USA
	21	*
	22	*/
	23
c31be25a	24	#include "wlcore.h"
0f4e3122	25	#include "debug.h"
00d20100 SL	26	#include "io.h"
	27	#include "event.h"
	28	#include "ps.h"
	29	#include "scan.h"
66497dc3	30	#include "wl12xx_80211.h"
3719c17e SP	31	#include "hw_ops.h"
	32
	33	#define WL18XX_LOGGER_SDIO_BUFF_MAX (0x1020)
	34	#define WL18XX_DATA_RAM_BASE_ADDRESS (0x20000000)
	35	#define WL18XX_LOGGER_SDIO_BUFF_ADDR (0x40159c)
	36	#define WL18XX_LOGGER_BUFF_OFFSET (sizeof(struct fw_logger_information))
	37	#define WL18XX_LOGGER_READ_POINT_OFFSET (12)
	38
	39	int wlcore_event_fw_logger(struct wl1271 *wl)
	40	{
	41	u32 ret;
	42	struct fw_logger_information fw_log;
	43	u8 *buffer;
	44	u32 internal_fw_addrbase = WL18XX_DATA_RAM_BASE_ADDRESS;
	45	u32 addr = WL18XX_LOGGER_SDIO_BUFF_ADDR;
	46	u32 end_buff_addr = WL18XX_LOGGER_SDIO_BUFF_ADDR +
	47	WL18XX_LOGGER_BUFF_OFFSET;
	48	u32 available_len;
	49	u32 actual_len;
	50	u32 clear_addr;
	51	size_t len;
	52	u32 start_loc;
	53
	54	buffer = kzalloc(WL18XX_LOGGER_SDIO_BUFF_MAX, GFP_KERNEL);
	55	if (!buffer) {
	56	wl1271_error("Fail to allocate fw logger memory");
	57	fw_log.actual_buff_size = cpu_to_le32(0);
	58	goto out;
	59	}
	60
	61	ret = wlcore_read(wl, addr, buffer, WL18XX_LOGGER_SDIO_BUFF_MAX,
	62	false);
	63	if (ret < 0) {
	64	wl1271_error("Fail to read logger buffer, error_id = %d",
	65	ret);
	66	fw_log.actual_buff_size = cpu_to_le32(0);
	67	goto free_out;
	68	}
	69
	70	memcpy(&fw_log, buffer, sizeof(fw_log));
	71
	72	if (le32_to_cpu(fw_log.actual_buff_size) == 0)
	73	goto free_out;
	74
	75	actual_len = le32_to_cpu(fw_log.actual_buff_size);
	76	start_loc = (le32_to_cpu(fw_log.buff_read_ptr) -
	77	internal_fw_addrbase) - addr;
	78	end_buff_addr += le32_to_cpu(fw_log.max_buff_size);
	79	available_len = end_buff_addr -
	80	(le32_to_cpu(fw_log.buff_read_ptr) -
	81	internal_fw_addrbase);
	82	actual_len = min(actual_len, available_len);
	83	len = actual_len;
	84
	85	wl12xx_copy_fwlog(wl, &buffer[start_loc], len);
	86	clear_addr = addr + start_loc + le32_to_cpu(fw_log.actual_buff_size) +
	87	internal_fw_addrbase;
	88
	89	len = le32_to_cpu(fw_log.actual_buff_size) - len;
	90	if (len) {
	91	wl12xx_copy_fwlog(wl,
	92	&buffer[WL18XX_LOGGER_BUFF_OFFSET],
	93	len);
	94	clear_addr = addr + WL18XX_LOGGER_BUFF_OFFSET + len +
95	internal_fw_addrbase;
96	}
97
98	/* double check that clear address and write pointer are the same */
99	if (clear_addr != le32_to_cpu(fw_log.buff_write_ptr)) {
100	wl1271_error("Calculate of clear addr Clear = %x, write = %x",
101	clear_addr, le32_to_cpu(fw_log.buff_write_ptr));
102	}
103
104	/* indicate FW about Clear buffer */
105	ret = wlcore_write32(wl, addr + WL18XX_LOGGER_READ_POINT_OFFSET,
106	fw_log.buff_write_ptr);
107	free_out:
108	kfree(buffer);
109	out:
110	return le32_to_cpu(fw_log.actual_buff_size);
111	}
112	EXPORT_SYMBOL_GPL(wlcore_event_fw_logger);
f5fc0f86	113
c50a2825	114	void wlcore_event_rssi_trigger(struct wl1271 wl, s8 metric_arr)
00236aed	115	{
c50a2825 EP	116	struct wl12xx_vif *wlvif;
c50a2825 EP	117	struct ieee80211_vif *vif;
00236aed	118	enum nl80211_cqm_rssi_threshold_event event;
c50a2825	119	s8 metric = metric_arr[0];
00236aed JO	120
	121	wl1271_debug(DEBUG_EVENT, "RSSI trigger metric: %d", metric);
	122
c50a2825 EP	123	/* TODO: check actual multi-role support */
	124	wl12xx_for_each_wlvif_sta(wl, wlvif) {
	125	if (metric <= wlvif->rssi_thold)
	126	event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
	127	else
	128	event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
	129
	130	vif = wl12xx_wlvif_to_vif(wlvif);
	131	if (event != wlvif->last_rssi_event)
	132	ieee80211_cqm_rssi_notify(vif, event, GFP_KERNEL);
	133	wlvif->last_rssi_event = event;
	134	}
00236aed	135	}
c50a2825	136	EXPORT_SYMBOL_GPL(wlcore_event_rssi_trigger);
00236aed	137
536129c8	138	static void wl1271_stop_ba_event(struct wl1271 wl, struct wl12xx_vif wlvif)
70559a06	139	{
4b730b6a EP	140	struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
4b730b6a EP	141
536129c8	142	if (wlvif->bss_type != BSS_TYPE_AP_BSS) {
9ae5d8d4 AN	143	u8 hlid = wlvif->sta.hlid;
9ae5d8d4 AN	144	if (!wl->links[hlid].ba_bitmap)
f4d3b6ab	145	return;
9ae5d8d4	146	ieee80211_stop_rx_ba_session(vif, wl->links[hlid].ba_bitmap,
4b730b6a	147	vif->bss_conf.bssid);
f4d3b6ab	148	} else {
c7ffb902	149	u8 hlid;
f4d3b6ab	150	struct wl1271_link *lnk;
c7ffb902	151	for_each_set_bit(hlid, wlvif->ap.sta_hlid_map,
da08fdfa	152	wl->num_links) {
c7ffb902 EP	153	lnk = &wl->links[hlid];
c7ffb902 EP	154	if (!lnk->ba_bitmap)
f4d3b6ab AN	155	continue;
f4d3b6ab AN	156
4b730b6a	157	ieee80211_stop_rx_ba_session(vif,
f4d3b6ab AN	158	lnk->ba_bitmap,
	159	lnk->addr);
	160	}
	161	}
70559a06 SL	162	}
70559a06 SL	163
c50a2825	164	void wlcore_event_soft_gemini_sense(struct wl1271 *wl, u8 enable)
77ddaa10	165	{
4b730b6a EP	166	struct wl12xx_vif *wlvif;
4b730b6a EP	167
77ddaa10	168	if (enable) {
77ddaa10 EP	169	set_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
77ddaa10 EP	170	} else {
9eb599e9	171	clear_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
4b730b6a	172	wl12xx_for_each_wlvif_sta(wl, wlvif) {
9eb599e9	173	wl1271_recalc_rx_streaming(wl, wlvif);
4b730b6a	174	}
77ddaa10	175	}
77ddaa10	176	}
c50a2825	177	EXPORT_SYMBOL_GPL(wlcore_event_soft_gemini_sense);
77ddaa10	178
c50a2825 EP	179	void wlcore_event_sched_scan_completed(struct wl1271 *wl,
c50a2825 EP	180	u8 status)
f5fc0f86	181	{
c50a2825 EP	182	wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_COMPLETE_EVENT (status 0x%0x)",
c50a2825 EP	183	status);
f5fc0f86	184
10199756	185	if (wl->sched_vif) {
c50a2825	186	ieee80211_sched_scan_stopped(wl->hw);
10199756	187	wl->sched_vif = NULL;
c50a2825 EP	188	}
	189	}
	190	EXPORT_SYMBOL_GPL(wlcore_event_sched_scan_completed);
f5fc0f86	191
c50a2825 EP	192	void wlcore_event_ba_rx_constraint(struct wl1271 *wl,
	193	unsigned long roles_bitmap,
	194	unsigned long allowed_bitmap)
	195	{
	196	struct wl12xx_vif *wlvif;
f5fc0f86	197
c50a2825 EP	198	wl1271_debug(DEBUG_EVENT, "%s: roles=0x%lx allowed=0x%lx",
c50a2825 EP	199	__func__, roles_bitmap, allowed_bitmap);
34dd2aaa	200
c50a2825 EP	201	wl12xx_for_each_wlvif(wl, wlvif) {
	202	if (wlvif->role_id == WL12XX_INVALID_ROLE_ID \|\|
	203	!test_bit(wlvif->role_id , &roles_bitmap))
	204	continue;
f5fc0f86	205
c50a2825 EP	206	wlvif->ba_allowed = !!test_bit(wlvif->role_id,
	207	&allowed_bitmap);
	208	if (!wlvif->ba_allowed)
	209	wl1271_stop_ba_event(wl, wlvif);
6394c01b	210	}
c50a2825 EP	211	}
c50a2825 EP	212	EXPORT_SYMBOL_GPL(wlcore_event_ba_rx_constraint);
6394c01b	213
c50a2825 EP	214	void wlcore_event_channel_switch(struct wl1271 *wl,
	215	unsigned long roles_bitmap,
	216	bool success)
	217	{
	218	struct wl12xx_vif *wlvif;
	219	struct ieee80211_vif *vif;
6394c01b	220
c50a2825 EP	221	wl1271_debug(DEBUG_EVENT, "%s: roles=0x%lx success=%d",
c50a2825 EP	222	__func__, roles_bitmap, success);
8d2ef7bd	223
534719f4	224	wl12xx_for_each_wlvif(wl, wlvif) {
c50a2825 EP	225	if (wlvif->role_id == WL12XX_INVALID_ROLE_ID \|\|
	226	!test_bit(wlvif->role_id , &roles_bitmap))
	227	continue;
6b8bf5bc	228
c50a2825 EP	229	if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS,
	230	&wlvif->flags))
	231	continue;
9f5b424d	232
c50a2825	233	vif = wl12xx_wlvif_to_vif(wlvif);
9f5b424d	234
534719f4 EP	235	if (wlvif->bss_type == BSS_TYPE_STA_BSS) {
	236	ieee80211_chswitch_done(vif, success);
	237	cancel_delayed_work(&wlvif->channel_switch_work);
	238	} else {
830513ab	239	set_bit(WLVIF_FLAG_BEACON_DISABLED, &wlvif->flags);
534719f4 EP	240	ieee80211_csa_finish(vif);
534719f4 EP	241	}
5f561f68	242	}
c50a2825 EP	243	}
c50a2825 EP	244	EXPORT_SYMBOL_GPL(wlcore_event_channel_switch);
f5fc0f86	245
c50a2825 EP	246	void wlcore_event_dummy_packet(struct wl1271 *wl)
c50a2825 EP	247	{
69aa1675 LC	248	if (wl->plt) {
	249	wl1271_info("Got DUMMY_PACKET event in PLT mode. FW bug, ignoring.");
	250	return;
	251	}
	252
c50a2825 EP	253	wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
	254	wl1271_tx_dummy_packet(wl);
	255	}
	256	EXPORT_SYMBOL_GPL(wlcore_event_dummy_packet);
19ad0715	257
c50a2825 EP	258	static void wlcore_disconnect_sta(struct wl1271 *wl, unsigned long sta_bitmap)
	259	{
	260	u32 num_packets = wl->conf.tx.max_tx_retries;
	261	struct wl12xx_vif *wlvif;
	262	struct ieee80211_vif *vif;
	263	struct ieee80211_sta *sta;
	264	const u8 *addr;
	265	int h;
	266
da08fdfa	267	for_each_set_bit(h, &sta_bitmap, wl->num_links) {
c50a2825 EP	268	bool found = false;
	269	/* find the ap vif connected to this sta */
	270	wl12xx_for_each_wlvif_ap(wl, wlvif) {
	271	if (!test_bit(h, wlvif->ap.sta_hlid_map))
	272	continue;
	273	found = true;
	274	break;
4b730b6a	275	}
c50a2825 EP	276	if (!found)
c50a2825 EP	277	continue;
70559a06	278
c50a2825 EP	279	vif = wl12xx_wlvif_to_vif(wlvif);
c50a2825 EP	280	addr = wl->links[h].addr;
f4d3b6ab	281
c50a2825 EP	282	rcu_read_lock();
	283	sta = ieee80211_find_sta(vif, addr);
	284	if (sta) {
	285	wl1271_debug(DEBUG_EVENT, "remove sta %d", h);
	286	ieee80211_report_low_ack(sta, num_packets);
4b730b6a	287	}
c50a2825	288	rcu_read_unlock();
70559a06	289	}
c50a2825	290	}
70559a06	291
c50a2825 EP	292	void wlcore_event_max_tx_failure(struct wl1271 *wl, unsigned long sta_bitmap)
	293	{
	294	wl1271_debug(DEBUG_EVENT, "MAX_TX_FAILURE_EVENT_ID");
	295	wlcore_disconnect_sta(wl, sta_bitmap);
	296	}
	297	EXPORT_SYMBOL_GPL(wlcore_event_max_tx_failure);
775e1a4b	298
c50a2825 EP	299	void wlcore_event_inactive_sta(struct wl1271 *wl, unsigned long sta_bitmap)
	300	{
	301	wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID");
	302	wlcore_disconnect_sta(wl, sta_bitmap);
	303	}
	304	EXPORT_SYMBOL_GPL(wlcore_event_inactive_sta);
6d158ff3	305
c50a2825 EP	306	void wlcore_event_roc_complete(struct wl1271 *wl)
	307	{
	308	wl1271_debug(DEBUG_EVENT, "REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID");
	309	if (wl->roc_vif)
	310	ieee80211_ready_on_channel(wl->hw);
	311	}
	312	EXPORT_SYMBOL_GPL(wlcore_event_roc_complete);
ae47c45f	313
c50a2825 EP	314	void wlcore_event_beacon_loss(struct wl1271 *wl, unsigned long roles_bitmap)
c50a2825 EP	315	{
3618f30f	316	/*
c50a2825 EP	317	* We are HW_MONITOR device. On beacon loss - queue
c50a2825 EP	318	* connection loss work. Cancel it on REGAINED event.
3618f30f	319	*/
c50a2825 EP	320	struct wl12xx_vif *wlvif;
	321	struct ieee80211_vif *vif;
	322	int delay = wl->conf.conn.synch_fail_thold *
	323	wl->conf.conn.bss_lose_timeout;
3618f30f	324
c50a2825	325	wl1271_info("Beacon loss detected. roles:0x%lx", roles_bitmap);
dabf37db	326
c50a2825 EP	327	wl12xx_for_each_wlvif_sta(wl, wlvif) {
	328	if (wlvif->role_id == WL12XX_INVALID_ROLE_ID \|\|
	329	!test_bit(wlvif->role_id , &roles_bitmap))
	330	continue;
3618f30f	331
c0ad2f2e ES	332	vif = wl12xx_wlvif_to_vif(wlvif);
	333
	334	/* don't attempt roaming in case of p2p */
	335	if (wlvif->p2p) {
	336	ieee80211_connection_loss(vif);
	337	continue;
	338	}
	339
c50a2825 EP	340	/*
	341	* if the work is already queued, it should take place.
	342	* We don't want to delay the connection loss
	343	* indication any more.
	344	*/
	345	ieee80211_queue_delayed_work(wl->hw,
	346	&wlvif->connection_loss_work,
	347	msecs_to_jiffies(delay));
3618f30f	348
98f03342	349	ieee80211_cqm_beacon_loss_notify(vif, GFP_KERNEL);
3618f30f	350	}
f5fc0f86	351	}
c50a2825	352	EXPORT_SYMBOL_GPL(wlcore_event_beacon_loss);
f5fc0f86 LC	353
	354	int wl1271_event_unmask(struct wl1271 *wl)
	355	{
	356	int ret;
	357
71e996be	358	wl1271_debug(DEBUG_EVENT, "unmasking event_mask 0x%x", wl->event_mask);
f5fc0f86 LC	359	ret = wl1271_acx_event_mbox_mask(wl, ~(wl->event_mask));
	360	if (ret < 0)
	361	return ret;
	362
	363	return 0;
	364	}
	365
13f2dc52	366	int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
f5fc0f86	367	{
f5fc0f86 LC	368	int ret;
	369
	370	wl1271_debug(DEBUG_EVENT, "EVENT on mbox %d", mbox_num);
	371
	372	if (mbox_num > 1)
	373	return -EINVAL;
	374
	375	/* first we read the mbox descriptor */
045b9b5f	376	ret = wlcore_read(wl, wl->mbox_ptr[mbox_num], wl->mbox,
c50a2825	377	wl->mbox_size, false);
045b9b5f IY	378	if (ret < 0)
045b9b5f IY	379	return ret;
f5fc0f86 LC	380
f5fc0f86 LC	381	/* process the descriptor */
c50a2825	382	ret = wl->ops->process_mailbox_events(wl);
f5fc0f86 LC	383	if (ret < 0)
	384	return ret;
	385
f16ff758 LC	386	/*
	387	* TODO: we just need this because one bit is in a different
	388	* place. Is there any better way?
	389	*/
b0f0ad39	390	ret = wl->ops->ack_event(wl);
f5fc0f86	391
b0f0ad39	392	return ret;
f5fc0f86	393	}