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

// SPDX-License-Identifier: GPL-2.0-only
/*
 * This file is part of wl1271
 *
 * Copyright (C) 2008-2009 Nokia Corporation
 *
 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
 */

#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)
{
	int 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 addr_ptr;
	u32 buff_start_ptr;
	u32 buff_read_ptr;
	u32 buff_end_ptr;
	u32 available_len;
	u32 actual_len;
	u32 clear_ptr;
	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");
		actual_len = 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);
		actual_len = 0;
		goto free_out;
	}

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

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

	/* Calculate the internal pointer to the fwlog structure */
	addr_ptr = internal_fw_addrbase + addr;

	/* Calculate the internal pointers to the start and end of log buffer */
	buff_start_ptr = addr_ptr + WL18XX_LOGGER_BUFF_OFFSET;
	buff_end_ptr = buff_start_ptr + le32_to_cpu(fw_log.max_buff_size);

	/* Read the read pointer and validate it */
	buff_read_ptr = le32_to_cpu(fw_log.buff_read_ptr);
	if (buff_read_ptr < buff_start_ptr ||
	    buff_read_ptr >= buff_end_ptr) {
		wl1271_error("buffer read pointer out of bounds: %x not in (%x-%x)\n",
			     buff_read_ptr, buff_start_ptr, buff_end_ptr);
		goto free_out;
	}

	start_loc = buff_read_ptr - addr_ptr;
	available_len = buff_end_ptr - buff_read_ptr;

	/* Copy initial part up to the end of ring buffer */
	len = min(actual_len, available_len);
	wl12xx_copy_fwlog(wl, &buffer[start_loc], len);
	clear_ptr = addr_ptr + start_loc + actual_len;
	if (clear_ptr == buff_end_ptr)
		clear_ptr = buff_start_ptr;

	/* Copy any remaining part from beginning of ring buffer */
	len = actual_len - len;
	if (len) {
		wl12xx_copy_fwlog(wl,
				  &buffer[WL18XX_LOGGER_BUFF_OFFSET],
				  len);
		clear_ptr = addr_ptr + WL18XX_LOGGER_BUFF_OFFSET + len;
	}

	/* Update the read pointer */
	ret = wlcore_write32(wl, addr + WL18XX_LOGGER_READ_POINT_OFFSET,
			     clear_ptr);
free_out:
	kfree(buffer);
out:
	return actual_len;
}
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, metric,
						  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, 0);
			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
2b27bdcc	1	// SPDX-License-Identifier: GPL-2.0-only
f5fc0f86 LC	2	/*
	3	* This file is part of wl1271
	4	*
	5	* Copyright (C) 2008-2009 Nokia Corporation
	6	*
	7	* Contact: Luciano Coelho <luciano.coelho@nokia.com>
f5fc0f86 LC	8	*/
f5fc0f86 LC	9
c31be25a	10	#include "wlcore.h"
0f4e3122	11	#include "debug.h"
00d20100 SL	12	#include "io.h"
	13	#include "event.h"
	14	#include "ps.h"
	15	#include "scan.h"
66497dc3	16	#include "wl12xx_80211.h"
3719c17e SP	17	#include "hw_ops.h"
	18
	19	#define WL18XX_LOGGER_SDIO_BUFF_MAX (0x1020)
	20	#define WL18XX_DATA_RAM_BASE_ADDRESS (0x20000000)
	21	#define WL18XX_LOGGER_SDIO_BUFF_ADDR (0x40159c)
	22	#define WL18XX_LOGGER_BUFF_OFFSET (sizeof(struct fw_logger_information))
	23	#define WL18XX_LOGGER_READ_POINT_OFFSET (12)
	24
	25	int wlcore_event_fw_logger(struct wl1271 *wl)
	26	{
68f37e5d	27	int ret;
3719c17e SP	28	struct fw_logger_information fw_log;
	29	u8 *buffer;
	30	u32 internal_fw_addrbase = WL18XX_DATA_RAM_BASE_ADDRESS;
	31	u32 addr = WL18XX_LOGGER_SDIO_BUFF_ADDR;
98e94771 RK	32	u32 addr_ptr;
	33	u32 buff_start_ptr;
	34	u32 buff_read_ptr;
	35	u32 buff_end_ptr;
3719c17e SP	36	u32 available_len;
3719c17e SP	37	u32 actual_len;
98e94771	38	u32 clear_ptr;
3719c17e SP	39	size_t len;
	40	u32 start_loc;
	41
	42	buffer = kzalloc(WL18XX_LOGGER_SDIO_BUFF_MAX, GFP_KERNEL);
	43	if (!buffer) {
	44	wl1271_error("Fail to allocate fw logger memory");
91311239	45	actual_len = 0;
3719c17e SP	46	goto out;
	47	}
	48
	49	ret = wlcore_read(wl, addr, buffer, WL18XX_LOGGER_SDIO_BUFF_MAX,
	50	false);
	51	if (ret < 0) {
	52	wl1271_error("Fail to read logger buffer, error_id = %d",
	53	ret);
91311239	54	actual_len = 0;
3719c17e SP	55	goto free_out;
	56	}
	57
	58	memcpy(&fw_log, buffer, sizeof(fw_log));
	59
91311239 RK	60	actual_len = le32_to_cpu(fw_log.actual_buff_size);
91311239 RK	61	if (actual_len == 0)
3719c17e SP	62	goto free_out;
3719c17e SP	63
98e94771 RK	64	/* Calculate the internal pointer to the fwlog structure */
98e94771 RK	65	addr_ptr = internal_fw_addrbase + addr;
3719c17e	66
98e94771 RK	67	/* Calculate the internal pointers to the start and end of log buffer */
	68	buff_start_ptr = addr_ptr + WL18XX_LOGGER_BUFF_OFFSET;
	69	buff_end_ptr = buff_start_ptr + le32_to_cpu(fw_log.max_buff_size);
	70
	71	/* Read the read pointer and validate it */
	72	buff_read_ptr = le32_to_cpu(fw_log.buff_read_ptr);
	73	if (buff_read_ptr < buff_start_ptr \|\|
	74	buff_read_ptr >= buff_end_ptr) {
	75	wl1271_error("buffer read pointer out of bounds: %x not in (%x-%x)\n",
	76	buff_read_ptr, buff_start_ptr, buff_end_ptr);
	77	goto free_out;
	78	}
	79
	80	start_loc = buff_read_ptr - addr_ptr;
	81	available_len = buff_end_ptr - buff_read_ptr;
	82
	83	/* Copy initial part up to the end of ring buffer */
91311239	84	len = min(actual_len, available_len);
3719c17e	85	wl12xx_copy_fwlog(wl, &buffer[start_loc], len);
98e94771	86	clear_ptr = addr_ptr + start_loc + actual_len;
87ab9cba RK	87	if (clear_ptr == buff_end_ptr)
87ab9cba RK	88	clear_ptr = buff_start_ptr;
3719c17e	89
91311239 RK	90	/* Copy any remaining part from beginning of ring buffer */
91311239 RK	91	len = actual_len - len;
3719c17e SP	92	if (len) {
	93	wl12xx_copy_fwlog(wl,
	94	&buffer[WL18XX_LOGGER_BUFF_OFFSET],
	95	len);
98e94771	96	clear_ptr = addr_ptr + WL18XX_LOGGER_BUFF_OFFSET + len;
3719c17e SP	97	}
3719c17e SP	98
01de6fe4	99	/* Update the read pointer */
3719c17e	100	ret = wlcore_write32(wl, addr + WL18XX_LOGGER_READ_POINT_OFFSET,
01de6fe4	101	clear_ptr);
3719c17e SP	102	free_out:
	103	kfree(buffer);
	104	out:
91311239	105	return actual_len;
3719c17e SP	106	}
3719c17e SP	107	EXPORT_SYMBOL_GPL(wlcore_event_fw_logger);
f5fc0f86	108
c50a2825	109	void wlcore_event_rssi_trigger(struct wl1271 wl, s8 metric_arr)
00236aed	110	{
c50a2825 EP	111	struct wl12xx_vif *wlvif;
c50a2825 EP	112	struct ieee80211_vif *vif;
00236aed	113	enum nl80211_cqm_rssi_threshold_event event;
c50a2825	114	s8 metric = metric_arr[0];
00236aed JO	115
	116	wl1271_debug(DEBUG_EVENT, "RSSI trigger metric: %d", metric);
	117
c50a2825 EP	118	/* TODO: check actual multi-role support */
	119	wl12xx_for_each_wlvif_sta(wl, wlvif) {
	120	if (metric <= wlvif->rssi_thold)
	121	event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
	122	else
	123	event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
	124
	125	vif = wl12xx_wlvif_to_vif(wlvif);
	126	if (event != wlvif->last_rssi_event)
769f07d8 AZ	127	ieee80211_cqm_rssi_notify(vif, event, metric,
769f07d8 AZ	128	GFP_KERNEL);
c50a2825 EP	129	wlvif->last_rssi_event = event;
c50a2825 EP	130	}
00236aed	131	}
c50a2825	132	EXPORT_SYMBOL_GPL(wlcore_event_rssi_trigger);
00236aed	133
536129c8	134	static void wl1271_stop_ba_event(struct wl1271 wl, struct wl12xx_vif wlvif)
70559a06	135	{
4b730b6a EP	136	struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
4b730b6a EP	137
536129c8	138	if (wlvif->bss_type != BSS_TYPE_AP_BSS) {
9ae5d8d4 AN	139	u8 hlid = wlvif->sta.hlid;
9ae5d8d4 AN	140	if (!wl->links[hlid].ba_bitmap)
f4d3b6ab	141	return;
9ae5d8d4	142	ieee80211_stop_rx_ba_session(vif, wl->links[hlid].ba_bitmap,
4b730b6a	143	vif->bss_conf.bssid);
f4d3b6ab	144	} else {
c7ffb902	145	u8 hlid;
f4d3b6ab	146	struct wl1271_link *lnk;
c7ffb902	147	for_each_set_bit(hlid, wlvif->ap.sta_hlid_map,
da08fdfa	148	wl->num_links) {
c7ffb902 EP	149	lnk = &wl->links[hlid];
c7ffb902 EP	150	if (!lnk->ba_bitmap)
f4d3b6ab AN	151	continue;
f4d3b6ab AN	152
4b730b6a	153	ieee80211_stop_rx_ba_session(vif,
f4d3b6ab AN	154	lnk->ba_bitmap,
	155	lnk->addr);
	156	}
	157	}
70559a06 SL	158	}
70559a06 SL	159
c50a2825	160	void wlcore_event_soft_gemini_sense(struct wl1271 *wl, u8 enable)
77ddaa10	161	{
4b730b6a EP	162	struct wl12xx_vif *wlvif;
4b730b6a EP	163
77ddaa10	164	if (enable) {
77ddaa10 EP	165	set_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
77ddaa10 EP	166	} else {
9eb599e9	167	clear_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
4b730b6a	168	wl12xx_for_each_wlvif_sta(wl, wlvif) {
9eb599e9	169	wl1271_recalc_rx_streaming(wl, wlvif);
4b730b6a	170	}
77ddaa10	171	}
77ddaa10	172	}
c50a2825	173	EXPORT_SYMBOL_GPL(wlcore_event_soft_gemini_sense);
77ddaa10	174
c50a2825 EP	175	void wlcore_event_sched_scan_completed(struct wl1271 *wl,
c50a2825 EP	176	u8 status)
f5fc0f86	177	{
c50a2825 EP	178	wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_COMPLETE_EVENT (status 0x%0x)",
c50a2825 EP	179	status);
f5fc0f86	180
10199756	181	if (wl->sched_vif) {
c50a2825	182	ieee80211_sched_scan_stopped(wl->hw);
10199756	183	wl->sched_vif = NULL;
c50a2825 EP	184	}
	185	}
	186	EXPORT_SYMBOL_GPL(wlcore_event_sched_scan_completed);
f5fc0f86	187
c50a2825 EP	188	void wlcore_event_ba_rx_constraint(struct wl1271 *wl,
	189	unsigned long roles_bitmap,
	190	unsigned long allowed_bitmap)
	191	{
	192	struct wl12xx_vif *wlvif;
f5fc0f86	193
c50a2825 EP	194	wl1271_debug(DEBUG_EVENT, "%s: roles=0x%lx allowed=0x%lx",
c50a2825 EP	195	__func__, roles_bitmap, allowed_bitmap);
34dd2aaa	196
c50a2825 EP	197	wl12xx_for_each_wlvif(wl, wlvif) {
	198	if (wlvif->role_id == WL12XX_INVALID_ROLE_ID \|\|
	199	!test_bit(wlvif->role_id , &roles_bitmap))
	200	continue;
f5fc0f86	201
c50a2825 EP	202	wlvif->ba_allowed = !!test_bit(wlvif->role_id,
	203	&allowed_bitmap);
	204	if (!wlvif->ba_allowed)
	205	wl1271_stop_ba_event(wl, wlvif);
6394c01b	206	}
c50a2825 EP	207	}
c50a2825 EP	208	EXPORT_SYMBOL_GPL(wlcore_event_ba_rx_constraint);
6394c01b	209
c50a2825 EP	210	void wlcore_event_channel_switch(struct wl1271 *wl,
	211	unsigned long roles_bitmap,
	212	bool success)
	213	{
	214	struct wl12xx_vif *wlvif;
	215	struct ieee80211_vif *vif;
6394c01b	216
c50a2825 EP	217	wl1271_debug(DEBUG_EVENT, "%s: roles=0x%lx success=%d",
c50a2825 EP	218	__func__, roles_bitmap, success);
8d2ef7bd	219
534719f4	220	wl12xx_for_each_wlvif(wl, wlvif) {
c50a2825 EP	221	if (wlvif->role_id == WL12XX_INVALID_ROLE_ID \|\|
	222	!test_bit(wlvif->role_id , &roles_bitmap))
	223	continue;
6b8bf5bc	224
c50a2825 EP	225	if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS,
	226	&wlvif->flags))
	227	continue;
9f5b424d	228
c50a2825	229	vif = wl12xx_wlvif_to_vif(wlvif);
9f5b424d	230
534719f4	231	if (wlvif->bss_type == BSS_TYPE_STA_BSS) {
a469a593	232	ieee80211_chswitch_done(vif, success, 0);
534719f4 EP	233	cancel_delayed_work(&wlvif->channel_switch_work);
534719f4 EP	234	} else {
830513ab	235	set_bit(WLVIF_FLAG_BEACON_DISABLED, &wlvif->flags);
534719f4 EP	236	ieee80211_csa_finish(vif);
534719f4 EP	237	}
5f561f68	238	}
c50a2825 EP	239	}
c50a2825 EP	240	EXPORT_SYMBOL_GPL(wlcore_event_channel_switch);
f5fc0f86	241
c50a2825 EP	242	void wlcore_event_dummy_packet(struct wl1271 *wl)
c50a2825 EP	243	{
69aa1675 LC	244	if (wl->plt) {
	245	wl1271_info("Got DUMMY_PACKET event in PLT mode. FW bug, ignoring.");
	246	return;
	247	}
	248
c50a2825 EP	249	wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
	250	wl1271_tx_dummy_packet(wl);
	251	}
	252	EXPORT_SYMBOL_GPL(wlcore_event_dummy_packet);
19ad0715	253
c50a2825 EP	254	static void wlcore_disconnect_sta(struct wl1271 *wl, unsigned long sta_bitmap)
	255	{
	256	u32 num_packets = wl->conf.tx.max_tx_retries;
	257	struct wl12xx_vif *wlvif;
	258	struct ieee80211_vif *vif;
	259	struct ieee80211_sta *sta;
	260	const u8 *addr;
	261	int h;
	262
da08fdfa	263	for_each_set_bit(h, &sta_bitmap, wl->num_links) {
c50a2825 EP	264	bool found = false;
	265	/* find the ap vif connected to this sta */
	266	wl12xx_for_each_wlvif_ap(wl, wlvif) {
	267	if (!test_bit(h, wlvif->ap.sta_hlid_map))
	268	continue;
	269	found = true;
	270	break;
4b730b6a	271	}
c50a2825 EP	272	if (!found)
c50a2825 EP	273	continue;
70559a06	274
c50a2825 EP	275	vif = wl12xx_wlvif_to_vif(wlvif);
c50a2825 EP	276	addr = wl->links[h].addr;
f4d3b6ab	277
c50a2825 EP	278	rcu_read_lock();
	279	sta = ieee80211_find_sta(vif, addr);
	280	if (sta) {
	281	wl1271_debug(DEBUG_EVENT, "remove sta %d", h);
	282	ieee80211_report_low_ack(sta, num_packets);
4b730b6a	283	}
c50a2825	284	rcu_read_unlock();
70559a06	285	}
c50a2825	286	}
70559a06	287
c50a2825 EP	288	void wlcore_event_max_tx_failure(struct wl1271 *wl, unsigned long sta_bitmap)
	289	{
	290	wl1271_debug(DEBUG_EVENT, "MAX_TX_FAILURE_EVENT_ID");
	291	wlcore_disconnect_sta(wl, sta_bitmap);
	292	}
	293	EXPORT_SYMBOL_GPL(wlcore_event_max_tx_failure);
775e1a4b	294
c50a2825 EP	295	void wlcore_event_inactive_sta(struct wl1271 *wl, unsigned long sta_bitmap)
	296	{
	297	wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID");
	298	wlcore_disconnect_sta(wl, sta_bitmap);
	299	}
	300	EXPORT_SYMBOL_GPL(wlcore_event_inactive_sta);
6d158ff3	301
c50a2825 EP	302	void wlcore_event_roc_complete(struct wl1271 *wl)
	303	{
	304	wl1271_debug(DEBUG_EVENT, "REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID");
	305	if (wl->roc_vif)
	306	ieee80211_ready_on_channel(wl->hw);
	307	}
	308	EXPORT_SYMBOL_GPL(wlcore_event_roc_complete);
ae47c45f	309
c50a2825 EP	310	void wlcore_event_beacon_loss(struct wl1271 *wl, unsigned long roles_bitmap)
c50a2825 EP	311	{
3618f30f	312	/*
c50a2825 EP	313	* We are HW_MONITOR device. On beacon loss - queue
c50a2825 EP	314	* connection loss work. Cancel it on REGAINED event.
3618f30f	315	*/
c50a2825 EP	316	struct wl12xx_vif *wlvif;
	317	struct ieee80211_vif *vif;
	318	int delay = wl->conf.conn.synch_fail_thold *
	319	wl->conf.conn.bss_lose_timeout;
3618f30f	320
c50a2825	321	wl1271_info("Beacon loss detected. roles:0x%lx", roles_bitmap);
dabf37db	322
c50a2825 EP	323	wl12xx_for_each_wlvif_sta(wl, wlvif) {
	324	if (wlvif->role_id == WL12XX_INVALID_ROLE_ID \|\|
	325	!test_bit(wlvif->role_id , &roles_bitmap))
	326	continue;
3618f30f	327
c0ad2f2e ES	328	vif = wl12xx_wlvif_to_vif(wlvif);
	329
	330	/* don't attempt roaming in case of p2p */
	331	if (wlvif->p2p) {
	332	ieee80211_connection_loss(vif);
	333	continue;
	334	}
	335
c50a2825 EP	336	/*
	337	* if the work is already queued, it should take place.
	338	* We don't want to delay the connection loss
	339	* indication any more.
	340	*/
	341	ieee80211_queue_delayed_work(wl->hw,
	342	&wlvif->connection_loss_work,
	343	msecs_to_jiffies(delay));
3618f30f	344
98f03342	345	ieee80211_cqm_beacon_loss_notify(vif, GFP_KERNEL);
3618f30f	346	}
f5fc0f86	347	}
c50a2825	348	EXPORT_SYMBOL_GPL(wlcore_event_beacon_loss);
f5fc0f86 LC	349
	350	int wl1271_event_unmask(struct wl1271 *wl)
	351	{
	352	int ret;
	353
71e996be	354	wl1271_debug(DEBUG_EVENT, "unmasking event_mask 0x%x", wl->event_mask);
f5fc0f86 LC	355	ret = wl1271_acx_event_mbox_mask(wl, ~(wl->event_mask));
	356	if (ret < 0)
	357	return ret;
	358
	359	return 0;
	360	}
	361
13f2dc52	362	int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
f5fc0f86	363	{
f5fc0f86 LC	364	int ret;
	365
	366	wl1271_debug(DEBUG_EVENT, "EVENT on mbox %d", mbox_num);
	367
	368	if (mbox_num > 1)
	369	return -EINVAL;
	370
	371	/* first we read the mbox descriptor */
045b9b5f	372	ret = wlcore_read(wl, wl->mbox_ptr[mbox_num], wl->mbox,
c50a2825	373	wl->mbox_size, false);
045b9b5f IY	374	if (ret < 0)
045b9b5f IY	375	return ret;
f5fc0f86 LC	376
f5fc0f86 LC	377	/* process the descriptor */
c50a2825	378	ret = wl->ops->process_mailbox_events(wl);
f5fc0f86 LC	379	if (ret < 0)
	380	return ret;
	381
f16ff758 LC	382	/*
	383	* TODO: we just need this because one bit is in a different
	384	* place. Is there any better way?
	385	*/
b0f0ad39	386	ret = wl->ops->ack_event(wl);
f5fc0f86	387
b0f0ad39	388	return ret;
f5fc0f86	389	}