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path: root/drivers/net/wireless/ti/wlcore/main.c
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Diffstat (limited to 'drivers/net/wireless/ti/wlcore/main.c')
-rw-r--r--drivers/net/wireless/ti/wlcore/main.c232
1 files changed, 185 insertions, 47 deletions
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 38995f90040d..0368b9cbfb89 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -44,6 +44,7 @@
#define WL1271_BOOT_RETRIES 3
static char *fwlog_param;
+static int fwlog_mem_blocks = -1;
static int bug_on_recovery = -1;
static int no_recovery = -1;
@@ -291,6 +292,18 @@ static void wlcore_adjust_conf(struct wl1271 *wl)
{
/* Adjust settings according to optional module parameters */
+ /* Firmware Logger params */
+ if (fwlog_mem_blocks != -1) {
+ if (fwlog_mem_blocks >= CONF_FWLOG_MIN_MEM_BLOCKS &&
+ fwlog_mem_blocks <= CONF_FWLOG_MAX_MEM_BLOCKS) {
+ wl->conf.fwlog.mem_blocks = fwlog_mem_blocks;
+ } else {
+ wl1271_error(
+ "Illegal fwlog_mem_blocks=%d using default %d",
+ fwlog_mem_blocks, wl->conf.fwlog.mem_blocks);
+ }
+ }
+
if (fwlog_param) {
if (!strcmp(fwlog_param, "continuous")) {
wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS;
@@ -780,6 +793,7 @@ void wl12xx_queue_recovery_work(struct wl1271 *wl)
if (wl->state == WLCORE_STATE_ON) {
wl->state = WLCORE_STATE_RESTARTING;
set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags);
+ wl1271_ps_elp_wakeup(wl);
wlcore_disable_interrupts_nosync(wl);
ieee80211_queue_work(wl->hw, &wl->recovery_work);
}
@@ -787,19 +801,10 @@ void wl12xx_queue_recovery_work(struct wl1271 *wl)
size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen)
{
- size_t len = 0;
-
- /* The FW log is a length-value list, find where the log end */
- while (len < maxlen) {
- if (memblock[len] == 0)
- break;
- if (len + memblock[len] + 1 > maxlen)
- break;
- len += memblock[len] + 1;
- }
+ size_t len;
/* Make sure we have enough room */
- len = min(len, (size_t)(PAGE_SIZE - wl->fwlog_size));
+ len = min(maxlen, (size_t)(PAGE_SIZE - wl->fwlog_size));
/* Fill the FW log file, consumed by the sysfs fwlog entry */
memcpy(wl->fwlog + wl->fwlog_size, memblock, len);
@@ -808,10 +813,9 @@ size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen)
return len;
}
-#define WLCORE_FW_LOG_END 0x2000000
-
static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
{
+ struct wlcore_partition_set part, old_part;
u32 addr;
u32 offset;
u32 end_of_log;
@@ -824,7 +828,7 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
wl1271_info("Reading FW panic log");
- block = kmalloc(WL12XX_HW_BLOCK_SIZE, GFP_KERNEL);
+ block = kmalloc(wl->fw_mem_block_size, GFP_KERNEL);
if (!block)
return;
@@ -850,17 +854,31 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
if (wl->conf.fwlog.mode == WL12XX_FWLOG_CONTINUOUS) {
offset = sizeof(addr) + sizeof(struct wl1271_rx_descriptor);
- end_of_log = WLCORE_FW_LOG_END;
+ end_of_log = wl->fwlog_end;
} else {
offset = sizeof(addr);
end_of_log = addr;
}
+ old_part = wl->curr_part;
+ memset(&part, 0, sizeof(part));
+
/* Traverse the memory blocks linked list */
do {
- memset(block, 0, WL12XX_HW_BLOCK_SIZE);
- ret = wlcore_read_hwaddr(wl, addr, block, WL12XX_HW_BLOCK_SIZE,
- false);
+ part.mem.start = wlcore_hw_convert_hwaddr(wl, addr);
+ part.mem.size = PAGE_SIZE;
+
+ ret = wlcore_set_partition(wl, &part);
+ if (ret < 0) {
+ wl1271_error("%s: set_partition start=0x%X size=%d",
+ __func__, part.mem.start, part.mem.size);
+ goto out;
+ }
+
+ memset(block, 0, wl->fw_mem_block_size);
+ ret = wlcore_read_hwaddr(wl, addr, block,
+ wl->fw_mem_block_size, false);
+
if (ret < 0)
goto out;
@@ -871,8 +889,9 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
* on demand mode and is equal to 0x2000000 in continuous mode.
*/
addr = le32_to_cpup((__le32 *)block);
+
if (!wl12xx_copy_fwlog(wl, block + offset,
- WL12XX_HW_BLOCK_SIZE - offset))
+ wl->fw_mem_block_size - offset))
break;
} while (addr && (addr != end_of_log));
@@ -880,6 +899,7 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
out:
kfree(block);
+ wlcore_set_partition(wl, &old_part);
}
static void wlcore_print_recovery(struct wl1271 *wl)
@@ -924,7 +944,8 @@ static void wl1271_recovery_work(struct work_struct *work)
goto out_unlock;
if (!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) {
- wl12xx_read_fwlog_panic(wl);
+ if (wl->conf.fwlog.output == WL12XX_FWLOG_OUTPUT_HOST)
+ wl12xx_read_fwlog_panic(wl);
wlcore_print_recovery(wl);
}
@@ -1062,7 +1083,8 @@ int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode)
static const char* const PLT_MODE[] = {
"PLT_OFF",
"PLT_ON",
- "PLT_FEM_DETECT"
+ "PLT_FEM_DETECT",
+ "PLT_CHIP_AWAKE"
};
int ret;
@@ -1088,9 +1110,11 @@ int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode)
if (ret < 0)
goto power_off;
- ret = wl->ops->plt_init(wl);
- if (ret < 0)
- goto power_off;
+ if (plt_mode != PLT_CHIP_AWAKE) {
+ ret = wl->ops->plt_init(wl);
+ if (ret < 0)
+ goto power_off;
+ }
wl->state = WLCORE_STATE_ON;
wl1271_notice("firmware booted in PLT mode %s (%s)",
@@ -1925,8 +1949,10 @@ static void wlcore_op_stop_locked(struct wl1271 *wl)
/*
* FW channels must be re-calibrated after recovery,
- * clear the last Reg-Domain channel configuration.
+ * save current Reg-Domain channel configuration and clear it.
*/
+ memcpy(wl->reg_ch_conf_pending, wl->reg_ch_conf_last,
+ sizeof(wl->reg_ch_conf_pending));
memset(wl->reg_ch_conf_last, 0, sizeof(wl->reg_ch_conf_last));
}
@@ -2008,6 +2034,47 @@ out:
mutex_unlock(&wl->mutex);
}
+static void wlcore_pending_auth_complete_work(struct work_struct *work)
+{
+ struct delayed_work *dwork;
+ struct wl1271 *wl;
+ struct wl12xx_vif *wlvif;
+ unsigned long time_spare;
+ int ret;
+
+ dwork = container_of(work, struct delayed_work, work);
+ wlvif = container_of(dwork, struct wl12xx_vif,
+ pending_auth_complete_work);
+ wl = wlvif->wl;
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state != WLCORE_STATE_ON))
+ goto out;
+
+ /*
+ * Make sure a second really passed since the last auth reply. Maybe
+ * a second auth reply arrived while we were stuck on the mutex.
+ * Check for a little less than the timeout to protect from scheduler
+ * irregularities.
+ */
+ time_spare = jiffies +
+ msecs_to_jiffies(WLCORE_PEND_AUTH_ROC_TIMEOUT - 50);
+ if (!time_after(time_spare, wlvif->pending_auth_reply_time))
+ goto out;
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ /* cancel the ROC if active */
+ wlcore_update_inconn_sta(wl, wlvif, NULL, false);
+
+ wl1271_ps_elp_sleep(wl);
+out:
+ mutex_unlock(&wl->mutex);
+}
+
static int wl12xx_allocate_rate_policy(struct wl1271 *wl, u8 *idx)
{
u8 policy = find_first_zero_bit(wl->rate_policies_map,
@@ -2159,6 +2226,8 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif)
wlcore_channel_switch_work);
INIT_DELAYED_WORK(&wlvif->connection_loss_work,
wlcore_connection_loss_work);
+ INIT_DELAYED_WORK(&wlvif->pending_auth_complete_work,
+ wlcore_pending_auth_complete_work);
INIT_LIST_HEAD(&wlvif->list);
setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer,
@@ -2376,6 +2445,11 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
int ret = 0;
u8 role_type;
+ if (wl->plt) {
+ wl1271_error("Adding Interface not allowed while in PLT mode");
+ return -EBUSY;
+ }
+
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_CQM_RSSI;
@@ -2572,6 +2646,12 @@ deinit:
!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags))
goto unlock;
+ if (wl->ap_count == 0 && is_ap) {
+ /* mask ap events */
+ wl->event_mask &= ~wl->ap_event_mask;
+ wl1271_event_unmask(wl);
+ }
+
if (wl->ap_count == 0 && is_ap && wl->sta_count) {
u8 sta_auth = wl->conf.conn.sta_sleep_auth;
/* Configure for power according to debugfs */
@@ -2590,6 +2670,7 @@ unlock:
cancel_work_sync(&wlvif->rx_streaming_disable_work);
cancel_delayed_work_sync(&wlvif->connection_loss_work);
cancel_delayed_work_sync(&wlvif->channel_switch_work);
+ cancel_delayed_work_sync(&wlvif->pending_auth_complete_work);
mutex_lock(&wl->mutex);
}
@@ -2875,6 +2956,25 @@ static void wl1271_set_band_rate(struct wl1271 *wl, struct wl12xx_vif *wlvif)
wlvif->rate_set = wlvif->basic_rate_set;
}
+static void wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif,
+ bool idle)
+{
+ bool cur_idle = !test_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags);
+
+ if (idle == cur_idle)
+ return;
+
+ if (idle) {
+ clear_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags);
+ } else {
+ /* The current firmware only supports sched_scan in idle */
+ if (wl->sched_vif == wlvif)
+ wl->ops->sched_scan_stop(wl, wlvif);
+
+ set_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags);
+ }
+}
+
static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct ieee80211_conf *conf, u32 changed)
{
@@ -3969,6 +4069,13 @@ static void wl1271_bss_info_changed_ap(struct wl1271 *wl,
}
} else {
if (test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) {
+ /*
+ * AP might be in ROC in case we have just
+ * sent auth reply. handle it.
+ */
+ if (test_bit(wlvif->role_id, wl->roc_map))
+ wl12xx_croc(wl, wlvif->role_id);
+
ret = wl12xx_cmd_role_stop_ap(wl, wlvif);
if (ret < 0)
goto out;
@@ -4120,6 +4227,9 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl,
do_join = true;
}
+ if (changed & BSS_CHANGED_IDLE && !is_ibss)
+ wl1271_sta_handle_idle(wl, wlvif, bss_conf->idle);
+
if (changed & BSS_CHANGED_CQM) {
bool enable = false;
if (bss_conf->cqm_rssi_thold)
@@ -4656,29 +4766,49 @@ static void wlcore_roc_if_possible(struct wl1271 *wl,
wl12xx_roc(wl, wlvif, wlvif->role_id, wlvif->band, wlvif->channel);
}
-static void wlcore_update_inconn_sta(struct wl1271 *wl,
- struct wl12xx_vif *wlvif,
- struct wl1271_station *wl_sta,
- bool in_connection)
+/*
+ * when wl_sta is NULL, we treat this call as if coming from a
+ * pending auth reply.
+ * wl->mutex must be taken and the FW must be awake when the call
+ * takes place.
+ */
+void wlcore_update_inconn_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif,
+ struct wl1271_station *wl_sta, bool in_conn)
{
- if (in_connection) {
- if (WARN_ON(wl_sta->in_connection))
+ if (in_conn) {
+ if (WARN_ON(wl_sta && wl_sta->in_connection))
return;
- wl_sta->in_connection = true;
- if (!wlvif->inconn_count++)
+
+ if (!wlvif->ap_pending_auth_reply &&
+ !wlvif->inconn_count)
wlcore_roc_if_possible(wl, wlvif);
+
+ if (wl_sta) {
+ wl_sta->in_connection = true;
+ wlvif->inconn_count++;
+ } else {
+ wlvif->ap_pending_auth_reply = true;
+ }
} else {
- if (!wl_sta->in_connection)
+ if (wl_sta && !wl_sta->in_connection)
return;
- wl_sta->in_connection = false;
- wlvif->inconn_count--;
- if (WARN_ON(wlvif->inconn_count < 0))
+ if (WARN_ON(!wl_sta && !wlvif->ap_pending_auth_reply))
return;
- if (!wlvif->inconn_count)
- if (test_bit(wlvif->role_id, wl->roc_map))
- wl12xx_croc(wl, wlvif->role_id);
+ if (WARN_ON(wl_sta && !wlvif->inconn_count))
+ return;
+
+ if (wl_sta) {
+ wl_sta->in_connection = false;
+ wlvif->inconn_count--;
+ } else {
+ wlvif->ap_pending_auth_reply = false;
+ }
+
+ if (!wlvif->inconn_count && !wlvif->ap_pending_auth_reply &&
+ test_bit(wlvif->role_id, wl->roc_map))
+ wl12xx_croc(wl, wlvif->role_id);
}
}
@@ -5313,10 +5443,7 @@ static struct ieee80211_rate wl1271_rates_5ghz[] = {
/* 5 GHz band channels for WL1273 */
static struct ieee80211_channel wl1271_channels_5ghz[] = {
- { .hw_value = 7, .center_freq = 5035, .max_power = WLCORE_MAX_TXPWR },
{ .hw_value = 8, .center_freq = 5040, .max_power = WLCORE_MAX_TXPWR },
- { .hw_value = 9, .center_freq = 5045, .max_power = WLCORE_MAX_TXPWR },
- { .hw_value = 11, .center_freq = 5055, .max_power = WLCORE_MAX_TXPWR },
{ .hw_value = 12, .center_freq = 5060, .max_power = WLCORE_MAX_TXPWR },
{ .hw_value = 16, .center_freq = 5080, .max_power = WLCORE_MAX_TXPWR },
{ .hw_value = 34, .center_freq = 5170, .max_power = WLCORE_MAX_TXPWR },
@@ -5896,14 +6023,20 @@ static const struct wiphy_wowlan_support wlcore_wowlan_support = {
};
#endif
+static irqreturn_t wlcore_hardirq(int irq, void *cookie)
+{
+ return IRQ_WAKE_THREAD;
+}
+
static void wlcore_nvs_cb(const struct firmware *fw, void *context)
{
struct wl1271 *wl = context;
struct platform_device *pdev = wl->pdev;
- struct wlcore_platdev_data *pdev_data = pdev->dev.platform_data;
+ struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev);
struct wl12xx_platform_data *pdata = pdev_data->pdata;
unsigned long irqflags;
int ret;
+ irq_handler_t hardirq_fn = NULL;
if (fw) {
wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL);
@@ -5932,12 +6065,14 @@ static void wlcore_nvs_cb(const struct firmware *fw, void *context)
wl->platform_quirks = pdata->platform_quirks;
wl->if_ops = pdev_data->if_ops;
- if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ)
+ if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) {
irqflags = IRQF_TRIGGER_RISING;
- else
+ hardirq_fn = wlcore_hardirq;
+ } else {
irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT;
+ }
- ret = request_threaded_irq(wl->irq, NULL, wlcore_irq,
+ ret = request_threaded_irq(wl->irq, hardirq_fn, wlcore_irq,
irqflags, pdev->name, wl);
if (ret < 0) {
wl1271_error("request_irq() failed: %d", ret);
@@ -6046,6 +6181,9 @@ module_param_named(fwlog, fwlog_param, charp, 0);
MODULE_PARM_DESC(fwlog,
"FW logger options: continuous, ondemand, dbgpins or disable");
+module_param(fwlog_mem_blocks, int, S_IRUSR | S_IWUSR);
+MODULE_PARM_DESC(fwlog_mem_blocks, "fwlog mem_blocks");
+
module_param(bug_on_recovery, int, S_IRUSR | S_IWUSR);
MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery");