390 lines
9.7 KiB
C
390 lines
9.7 KiB
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);
|
||
|
|
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;
|
||
|
|
}
|