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path: root/drivers/net/wireless/wl12xx/main.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/main.c')
-rw-r--r--drivers/net/wireless/wl12xx/main.c1115
1 files changed, 714 insertions, 401 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index d5f55a1..3900236 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -1,3 +1,4 @@
+
/*
* This file is part of wl1271
*
@@ -115,6 +116,9 @@ static struct conf_drv_settings default_conf = {
[CONF_AP_CONNECTION_PROTECTION_TIME] = 0,
[CONF_AP_BT_ACL_VAL_BT_SERVE_TIME] = 25,
[CONF_AP_BT_ACL_VAL_WL_SERVE_TIME] = 25,
+ /* CTS Diluting params */
+ [CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH] = 0,
+ [CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER] = 0,
},
.state = CONF_SG_PROTECTIVE,
},
@@ -213,10 +217,13 @@ static struct conf_drv_settings default_conf = {
.basic_rate_5 = CONF_HW_BIT_RATE_6MBPS,
.tmpl_short_retry_limit = 10,
.tmpl_long_retry_limit = 10,
+ .tx_watchdog_timeout = 5000,
},
.conn = {
.wake_up_event = CONF_WAKE_UP_EVENT_DTIM,
.listen_interval = 1,
+ .suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM,
+ .suspend_listen_interval = 3,
.bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED,
.bcn_filt_ie_count = 2,
.bcn_filt_ie = {
@@ -235,12 +242,13 @@ static struct conf_drv_settings default_conf = {
.broadcast_timeout = 20000,
.rx_broadcast_in_ps = 1,
.ps_poll_threshold = 10,
- .ps_poll_recovery_period = 700,
.bet_enable = CONF_BET_MODE_ENABLE,
.bet_max_consecutive = 50,
.psm_entry_retries = 8,
.psm_exit_retries = 16,
.psm_entry_nullfunc_retries = 3,
+ .dynamic_ps_timeout = 200,
+ .forced_ps = false,
.keep_alive_interval = 55000,
.max_listen_interval = 20,
},
@@ -265,6 +273,7 @@ static struct conf_drv_settings default_conf = {
.min_dwell_time_passive = 100000,
.max_dwell_time_passive = 100000,
.num_probe_reqs = 2,
+ .split_scan_timeout = 50000,
},
.sched_scan = {
/* sched_scan requires dwell times in TU instead of TU/1000 */
@@ -384,15 +393,15 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl,
static void wl1271_op_stop(struct ieee80211_hw *hw);
static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif);
-static DEFINE_MUTEX(wl_list_mutex);
-static LIST_HEAD(wl_list);
-
-static int wl1271_check_operstate(struct wl1271 *wl, struct wl12xx_vif *wlvif,
- unsigned char operstate)
+static int wl12xx_set_authorized(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif)
{
int ret;
- if (operstate != IF_OPER_UP)
+ if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS))
+ return -EINVAL;
+
+ if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
return 0;
if (test_and_set_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags))
@@ -407,76 +416,6 @@ static int wl1271_check_operstate(struct wl1271 *wl, struct wl12xx_vif *wlvif,
wl1271_info("Association completed.");
return 0;
}
-static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
- void *arg)
-{
- struct net_device *dev = arg;
- struct wireless_dev *wdev;
- struct wiphy *wiphy;
- struct ieee80211_hw *hw;
- struct wl1271 *wl;
- struct wl1271 *wl_temp;
- struct wl12xx_vif *wlvif;
- int ret = 0;
-
- /* Check that this notification is for us. */
- if (what != NETDEV_CHANGE)
- return NOTIFY_DONE;
-
- wdev = dev->ieee80211_ptr;
- if (wdev == NULL)
- return NOTIFY_DONE;
-
- wiphy = wdev->wiphy;
- if (wiphy == NULL)
- return NOTIFY_DONE;
-
- hw = wiphy_priv(wiphy);
- if (hw == NULL)
- return NOTIFY_DONE;
-
- wl_temp = hw->priv;
- mutex_lock(&wl_list_mutex);
- list_for_each_entry(wl, &wl_list, list) {
- if (wl == wl_temp)
- break;
- }
- mutex_unlock(&wl_list_mutex);
- if (wl != wl_temp)
- return NOTIFY_DONE;
-
- mutex_lock(&wl->mutex);
-
- if (wl->state == WL1271_STATE_OFF)
- goto out;
-
- if (dev->operstate != IF_OPER_UP)
- goto out;
- /*
- * The correct behavior should be just getting the appropriate wlvif
- * from the given dev, but currently we don't have a mac80211
- * interface for it.
- */
- wl12xx_for_each_wlvif_sta(wl, wlvif) {
- struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
-
- if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
- continue;
-
- ret = wl1271_ps_elp_wakeup(wl);
- if (ret < 0)
- goto out;
-
- wl1271_check_operstate(wl, wlvif,
- ieee80211_get_operstate(vif));
-
- wl1271_ps_elp_sleep(wl);
- }
-out:
- mutex_unlock(&wl->mutex);
-
- return NOTIFY_OK;
-}
static int wl1271_reg_notify(struct wiphy *wiphy,
struct regulatory_request *request)
@@ -615,6 +554,80 @@ static void wl1271_rx_streaming_timer(unsigned long data)
ieee80211_queue_work(wl->hw, &wlvif->rx_streaming_disable_work);
}
+/* wl->mutex must be taken */
+void wl12xx_rearm_tx_watchdog_locked(struct wl1271 *wl)
+{
+ /* if the watchdog is not armed, don't do anything */
+ if (wl->tx_allocated_blocks == 0)
+ return;
+
+ cancel_delayed_work(&wl->tx_watchdog_work);
+ ieee80211_queue_delayed_work(wl->hw, &wl->tx_watchdog_work,
+ msecs_to_jiffies(wl->conf.tx.tx_watchdog_timeout));
+}
+
+static void wl12xx_tx_watchdog_work(struct work_struct *work)
+{
+ struct delayed_work *dwork;
+ struct wl1271 *wl;
+
+ dwork = container_of(work, struct delayed_work, work);
+ wl = container_of(dwork, struct wl1271, tx_watchdog_work);
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state == WL1271_STATE_OFF))
+ goto out;
+
+ /* Tx went out in the meantime - everything is ok */
+ if (unlikely(wl->tx_allocated_blocks == 0))
+ goto out;
+
+ /*
+ * if a ROC is in progress, we might not have any Tx for a long
+ * time (e.g. pending Tx on the non-ROC channels)
+ */
+ if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) {
+ wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to ROC",
+ wl->conf.tx.tx_watchdog_timeout);
+ wl12xx_rearm_tx_watchdog_locked(wl);
+ goto out;
+ }
+
+ /*
+ * if a scan is in progress, we might not have any Tx for a long
+ * time
+ */
+ if (wl->scan.state != WL1271_SCAN_STATE_IDLE) {
+ wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to scan",
+ wl->conf.tx.tx_watchdog_timeout);
+ wl12xx_rearm_tx_watchdog_locked(wl);
+ goto out;
+ }
+
+ /*
+ * AP might cache a frame for a long time for a sleeping station,
+ * so rearm the timer if there's an AP interface with stations. If
+ * Tx is genuinely stuck we will most hopefully discover it when all
+ * stations are removed due to inactivity.
+ */
+ if (wl->active_sta_count) {
+ wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms. AP has "
+ " %d stations",
+ wl->conf.tx.tx_watchdog_timeout,
+ wl->active_sta_count);
+ wl12xx_rearm_tx_watchdog_locked(wl);
+ goto out;
+ }
+
+ wl1271_error("Tx stuck (in FW) for %d ms. Starting recovery",
+ wl->conf.tx.tx_watchdog_timeout);
+ wl12xx_queue_recovery_work(wl);
+
+out:
+ mutex_unlock(&wl->mutex);
+}
+
static void wl1271_conf_init(struct wl1271 *wl)
{
@@ -672,8 +685,6 @@ static int wl1271_plt_init(struct wl1271 *wl)
if (ret < 0)
return ret;
}
- if (ret < 0)
- return ret;
/* Chip-specific initializations */
ret = wl1271_chip_specific_init(wl);
@@ -809,6 +820,18 @@ static void wl12xx_fw_status(struct wl1271 *wl,
wl->tx_allocated_blocks -= freed_blocks;
+ /*
+ * If the FW freed some blocks:
+ * If we still have allocated blocks - re-arm the timer, Tx is
+ * not stuck. Otherwise, cancel the timer (no Tx currently).
+ */
+ if (freed_blocks) {
+ if (wl->tx_allocated_blocks)
+ wl12xx_rearm_tx_watchdog_locked(wl);
+ else
+ cancel_delayed_work(&wl->tx_watchdog_work);
+ }
+
avail = le32_to_cpu(status->tx_total) - wl->tx_allocated_blocks;
/*
@@ -985,16 +1008,70 @@ out:
return IRQ_HANDLED;
}
-static int wl1271_fetch_firmware(struct wl1271 *wl)
+struct vif_counter_data {
+ u8 counter;
+
+ struct ieee80211_vif *cur_vif;
+ bool cur_vif_running;
+};
+
+static void wl12xx_vif_count_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct vif_counter_data *counter = data;
+
+ counter->counter++;
+ if (counter->cur_vif == vif)
+ counter->cur_vif_running = true;
+}
+
+/* caller must not hold wl->mutex, as it might deadlock */
+static void wl12xx_get_vif_count(struct ieee80211_hw *hw,
+ struct ieee80211_vif *cur_vif,
+ struct vif_counter_data *data)
+{
+ memset(data, 0, sizeof(*data));
+ data->cur_vif = cur_vif;
+
+ ieee80211_iterate_active_interfaces(hw,
+ wl12xx_vif_count_iter, data);
+}
+
+static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt)
{
const struct firmware *fw;
const char *fw_name;
+ enum wl12xx_fw_type fw_type;
int ret;
- if (wl->chip.id == CHIP_ID_1283_PG20)
- fw_name = WL128X_FW_NAME;
- else
- fw_name = WL127X_FW_NAME;
+ if (plt) {
+ fw_type = WL12XX_FW_TYPE_PLT;
+ if (wl->chip.id == CHIP_ID_1283_PG20)
+ fw_name = WL128X_PLT_FW_NAME;
+ else
+ fw_name = WL127X_PLT_FW_NAME;
+ } else {
+ /*
+ * we can't call wl12xx_get_vif_count() here because
+ * wl->mutex is taken, so use the cached last_vif_count value
+ */
+ if (wl->last_vif_count > 1) {
+ fw_type = WL12XX_FW_TYPE_MULTI;
+ if (wl->chip.id == CHIP_ID_1283_PG20)
+ fw_name = WL128X_FW_NAME_MULTI;
+ else
+ fw_name = WL127X_FW_NAME_MULTI;
+ } else {
+ fw_type = WL12XX_FW_TYPE_NORMAL;
+ if (wl->chip.id == CHIP_ID_1283_PG20)
+ fw_name = WL128X_FW_NAME_SINGLE;
+ else
+ fw_name = WL127X_FW_NAME_SINGLE;
+ }
+ }
+
+ if (wl->fw_type == fw_type)
+ return 0;
wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name);
@@ -1013,6 +1090,7 @@ static int wl1271_fetch_firmware(struct wl1271 *wl)
}
vfree(wl->fw);
+ wl->fw_type = WL12XX_FW_TYPE_NONE;
wl->fw_len = fw->size;
wl->fw = vmalloc(wl->fw_len);
@@ -1024,7 +1102,7 @@ static int wl1271_fetch_firmware(struct wl1271 *wl)
memcpy(wl->fw, fw->data, wl->fw_len);
ret = 0;
-
+ wl->fw_type = fw_type;
out:
release_firmware(fw);
@@ -1152,7 +1230,7 @@ static void wl1271_recovery_work(struct work_struct *work)
mutex_lock(&wl->mutex);
- if (wl->state != WL1271_STATE_ON)
+ if (wl->state != WL1271_STATE_ON || wl->plt)
goto out_unlock;
/* Avoid a recursive recovery */
@@ -1163,7 +1241,8 @@ static void wl1271_recovery_work(struct work_struct *work)
wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x",
wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4));
- BUG_ON(bug_on_recovery);
+ BUG_ON(bug_on_recovery &&
+ !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags));
/*
* Advance security sequence number to overcome potential progress
@@ -1232,10 +1311,9 @@ static int wl1271_setup(struct wl1271 *wl)
return 0;
}
-static int wl1271_chip_wakeup(struct wl1271 *wl)
+static int wl12xx_set_power_on(struct wl1271 *wl)
{
- struct wl1271_partition_set partition;
- int ret = 0;
+ int ret;
msleep(WL1271_PRE_POWER_ON_SLEEP);
ret = wl1271_power_on(wl);
@@ -1245,20 +1323,22 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
wl1271_io_reset(wl);
wl1271_io_init(wl);
- /* We don't need a real memory partition here, because we only want
- * to use the registers at this point. */
- memset(&partition, 0, sizeof(partition));
- partition.reg.start = REGISTERS_BASE;
- partition.reg.size = REGISTERS_DOWN_SIZE;
- wl1271_set_partition(wl, &partition);
+ wl1271_set_partition(wl, &wl12xx_part_table[PART_DOWN]);
/* ELP module wake up */
wl1271_fw_wakeup(wl);
- /* whal_FwCtrl_BootSm() */
+out:
+ return ret;
+}
+
+static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt)
+{
+ int ret = 0;
- /* 0. read chip id from CHIP_ID */
- wl->chip.id = wl1271_read32(wl, CHIP_ID_B);
+ ret = wl12xx_set_power_on(wl);
+ if (ret < 0)
+ goto out;
/*
* For wl127x based devices we could use the default block
@@ -1307,11 +1387,9 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
goto out;
}
- if (wl->fw == NULL) {
- ret = wl1271_fetch_firmware(wl);
- if (ret < 0)
- goto out;
- }
+ ret = wl12xx_fetch_firmware(wl, plt);
+ if (ret < 0)
+ goto out;
/* No NVS from netlink, try to get it from the filesystem */
if (wl->nvs == NULL) {
@@ -1343,7 +1421,7 @@ int wl1271_plt_start(struct wl1271 *wl)
while (retries) {
retries--;
- ret = wl1271_chip_wakeup(wl);
+ ret = wl12xx_chip_wakeup(wl, true);
if (ret < 0)
goto power_off;
@@ -1355,7 +1433,8 @@ int wl1271_plt_start(struct wl1271 *wl)
if (ret < 0)
goto irq_disable;
- wl->state = WL1271_STATE_PLT;
+ wl->plt = true;
+ wl->state = WL1271_STATE_ON;
wl1271_notice("firmware booted in PLT mode (%s)",
wl->chip.fw_ver_str);
@@ -1391,41 +1470,52 @@ out:
return ret;
}
-static int __wl1271_plt_stop(struct wl1271 *wl)
+int wl1271_plt_stop(struct wl1271 *wl)
{
int ret = 0;
wl1271_notice("power down");
- if (wl->state != WL1271_STATE_PLT) {
+ /*
+ * Interrupts must be disabled before setting the state to OFF.
+ * Otherwise, the interrupt handler might be called and exit without
+ * reading the interrupt status.
+ */
+ wl1271_disable_interrupts(wl);
+ mutex_lock(&wl->mutex);
+ if (!wl->plt) {
+ mutex_unlock(&wl->mutex);
+
+ /*
+ * This will not necessarily enable interrupts as interrupts
+ * may have been disabled when op_stop was called. It will,
+ * however, balance the above call to disable_interrupts().
+ */
+ wl1271_enable_interrupts(wl);
+
wl1271_error("cannot power down because not in PLT "
"state: %d", wl->state);
ret = -EBUSY;
goto out;
}
- wl1271_power_off(wl);
-
- wl->state = WL1271_STATE_OFF;
- wl->rx_counter = 0;
-
mutex_unlock(&wl->mutex);
- wl1271_disable_interrupts(wl);
+
wl1271_flush_deferred_work(wl);
cancel_work_sync(&wl->netstack_work);
cancel_work_sync(&wl->recovery_work);
- mutex_lock(&wl->mutex);
-out:
- return ret;
-}
-
-int wl1271_plt_stop(struct wl1271 *wl)
-{
- int ret;
+ cancel_delayed_work_sync(&wl->elp_work);
+ cancel_delayed_work_sync(&wl->tx_watchdog_work);
mutex_lock(&wl->mutex);
- ret = __wl1271_plt_stop(wl);
+ wl1271_power_off(wl);
+ wl->flags = 0;
+ wl->state = WL1271_STATE_OFF;
+ wl->plt = false;
+ wl->rx_counter = 0;
mutex_unlock(&wl->mutex);
+
+out:
return ret;
}
@@ -1457,7 +1547,8 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
goto out;
}
- wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d", hlid, q);
+ wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d len %d",
+ hlid, q, skb->len);
skb_queue_tail(&wl->links[hlid].tx_queue[q], skb);
wl->tx_queue_count[q]++;
@@ -1555,10 +1646,6 @@ static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl)
}
-static struct notifier_block wl1271_dev_notifier = {
- .notifier_call = wl1271_dev_notify,
-};
-
#ifdef CONFIG_PM
static int wl1271_configure_suspend_sta(struct wl1271 *wl,
struct wl12xx_vif *wlvif)
@@ -1574,38 +1661,16 @@ static int wl1271_configure_suspend_sta(struct wl1271 *wl,
if (ret < 0)
goto out_unlock;
- /* enter psm if needed*/
- if (!test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) {
- DECLARE_COMPLETION_ONSTACK(compl);
-
- wlvif->ps_compl = &compl;
- ret = wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE,
- wlvif->basic_rate, true);
- if (ret < 0)
- goto out_sleep;
-
- /* we must unlock here so we will be able to get events */
- wl1271_ps_elp_sleep(wl);
- mutex_unlock(&wl->mutex);
+ ret = wl1271_acx_wake_up_conditions(wl, wlvif,
+ wl->conf.conn.suspend_wake_up_event,
+ wl->conf.conn.suspend_listen_interval);
- ret = wait_for_completion_timeout(
- &compl, msecs_to_jiffies(WL1271_PS_COMPLETE_TIMEOUT));
+ if (ret < 0)
+ wl1271_error("suspend: set wake up conditions failed: %d", ret);
- mutex_lock(&wl->mutex);
- if (ret <= 0) {
- wl1271_warning("couldn't enter ps mode!");
- ret = -EBUSY;
- goto out_cleanup;
- }
- ret = wl1271_ps_elp_wakeup(wl);
- if (ret < 0)
- goto out_cleanup;
- }
-out_sleep:
wl1271_ps_elp_sleep(wl);
-out_cleanup:
- wlvif->ps_compl = NULL;
+
out_unlock:
mutex_unlock(&wl->mutex);
return ret;
@@ -1648,11 +1713,11 @@ static int wl1271_configure_suspend(struct wl1271 *wl,
static void wl1271_configure_resume(struct wl1271 *wl,
struct wl12xx_vif *wlvif)
{
- int ret;
- bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS;
+ int ret = 0;
bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS;
+ bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS;
- if (!is_sta && !is_ap)
+ if ((!is_ap) && (!is_sta))
return;
mutex_lock(&wl->mutex);
@@ -1661,12 +1726,16 @@ static void wl1271_configure_resume(struct wl1271 *wl,
goto out;
if (is_sta) {
- /* exit psm if it wasn't configured */
- if (!test_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags))
- wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE,
- wlvif->basic_rate, true);
+ ret = wl1271_acx_wake_up_conditions(wl, wlvif,
+ wl->conf.conn.wake_up_event,
+ wl->conf.conn.listen_interval);
+
+ if (ret < 0)
+ wl1271_error("resume: wake up conditions failed: %d",
+ ret);
+
} else if (is_ap) {
- wl1271_acx_beacon_filter_opt(wl, wlvif, false);
+ ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false);
}
wl1271_ps_elp_sleep(wl);
@@ -1684,6 +1753,8 @@ static int wl1271_op_suspend(struct ieee80211_hw *hw,
wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow);
WARN_ON(!wow || !wow->any);
+ wl1271_tx_flush(wl);
+
wl->wow_enabled = true;
wl12xx_for_each_wlvif(wl, wlvif) {
ret = wl1271_configure_suspend(wl, wlvif);
@@ -1709,9 +1780,6 @@ static int wl1271_op_suspend(struct ieee80211_hw *hw,
wl1271_enable_interrupts(wl);
flush_work(&wl->tx_work);
- wl12xx_for_each_wlvif(wl, wlvif) {
- flush_delayed_work(&wlvif->pspoll_work);
- }
flush_delayed_work(&wl->elp_work);
return 0;
@@ -1778,11 +1846,25 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
+ /*
+ * Interrupts must be disabled before setting the state to OFF.
+ * Otherwise, the interrupt handler might be called and exit without
+ * reading the interrupt status.
+ */
+ wl1271_disable_interrupts(wl);
mutex_lock(&wl->mutex);
if (wl->state == WL1271_STATE_OFF) {
mutex_unlock(&wl->mutex);
+
+ /*
+ * This will not necessarily enable interrupts as interrupts
+ * may have been disabled when op_stop was called. It will,
+ * however, balance the above call to disable_interrupts().
+ */
+ wl1271_enable_interrupts(wl);
return;
}
+
/*
* this must be before the cancel_work calls below, so that the work
* functions don't perform further work.
@@ -1790,16 +1872,12 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
wl->state = WL1271_STATE_OFF;
mutex_unlock(&wl->mutex);
- mutex_lock(&wl_list_mutex);
- list_del(&wl->list);
- mutex_unlock(&wl_list_mutex);
-
- wl1271_disable_interrupts(wl);
wl1271_flush_deferred_work(wl);
cancel_delayed_work_sync(&wl->scan_complete_work);
cancel_work_sync(&wl->netstack_work);
cancel_work_sync(&wl->tx_work);
cancel_delayed_work_sync(&wl->elp_work);
+ cancel_delayed_work_sync(&wl->tx_watchdog_work);
/* let's notify MAC80211 about the remaining pending TX frames */
wl12xx_tx_reset(wl, true);
@@ -1969,7 +2047,6 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif)
wl1271_rx_streaming_enable_work);
INIT_WORK(&wlvif->rx_streaming_disable_work,
wl1271_rx_streaming_disable_work);
- INIT_DELAYED_WORK(&wlvif->pspoll_work, wl1271_pspoll_work);
INIT_LIST_HEAD(&wlvif->list);
setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer,
@@ -1986,7 +2063,7 @@ static bool wl12xx_init_fw(struct wl1271 *wl)
while (retries) {
retries--;
- ret = wl1271_chip_wakeup(wl);
+ ret = wl12xx_chip_wakeup(wl, false);
if (ret < 0)
goto power_off;
@@ -2051,30 +2128,77 @@ static bool wl12xx_dev_role_started(struct wl12xx_vif *wlvif)
return wlvif->dev_hlid != WL12XX_INVALID_LINK_ID;
}
+/*
+ * Check whether a fw switch (i.e. moving from one loaded
+ * fw to another) is needed. This function is also responsible
+ * for updating wl->last_vif_count, so it must be called before
+ * loading a non-plt fw (so the correct fw (single-role/multi-role)
+ * will be used).
+ */
+static bool wl12xx_need_fw_change(struct wl1271 *wl,
+ struct vif_counter_data vif_counter_data,
+ bool add)
+{
+ enum wl12xx_fw_type current_fw = wl->fw_type;
+ u8 vif_count = vif_counter_data.counter;
+
+ if (test_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags))
+ return false;
+
+ /* increase the vif count if this is a new vif */
+ if (add && !vif_counter_data.cur_vif_running)
+ vif_count++;
+
+ wl->last_vif_count = vif_count;
+
+ /* no need for fw change if the device is OFF */
+ if (wl->state == WL1271_STATE_OFF)
+ return false;
+
+ if (vif_count > 1 && current_fw == WL12XX_FW_TYPE_NORMAL)
+ return true;
+ if (vif_count <= 1 && current_fw == WL12XX_FW_TYPE_MULTI)
+ return true;
+
+ return false;
+}
+
+/*
+ * Enter "forced psm". Make sure the sta is in psm against the ap,
+ * to make the fw switch a bit more disconnection-persistent.
+ */
+static void wl12xx_force_active_psm(struct wl1271 *wl)
+{
+ struct wl12xx_vif *wlvif;
+
+ wl12xx_for_each_wlvif_sta(wl, wlvif) {
+ wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE);
+ }
+}
+
static int wl1271_op_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct wl1271 *wl = hw->priv;
struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
+ struct vif_counter_data vif_count;
int ret = 0;
u8 role_type;
bool booted = false;
+ vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
+ IEEE80211_VIF_SUPPORTS_CQM_RSSI;
+
wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
ieee80211_vif_type_p2p(vif), vif->addr);
+ wl12xx_get_vif_count(hw, vif, &vif_count);
+
mutex_lock(&wl->mutex);
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out_unlock;
- if (wl->vif) {
- wl1271_debug(DEBUG_MAC80211,
- "multiple vifs are not supported yet");
- ret = -EBUSY;
- goto out;
- }
-
/*
* in some very corner case HW recovery scenarios its possible to
* get here before __wl1271_op_remove_interface is complete, so
@@ -2086,6 +2210,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
goto out;
}
+
ret = wl12xx_init_vif_data(wl, vif);
if (ret < 0)
goto out;
@@ -2097,6 +2222,14 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
goto out;
}
+ if (wl12xx_need_fw_change(wl, vif_count, true)) {
+ wl12xx_force_active_psm(wl);
+ set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags);
+ mutex_unlock(&wl->mutex);
+ wl1271_recovery_work(&wl->recovery_work);
+ return 0;
+ }
+
/*
* TODO: after the nvs issue will be solved, move this block
* to start(), and make sure here the driver is ON.
@@ -2106,7 +2239,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
* we still need this in order to configure the fw
* while uploading the nvs
*/
- memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
+ memcpy(wl->addresses[0].addr, vif->addr, ETH_ALEN);
booted = wl12xx_init_fw(wl);
if (!booted) {
@@ -2139,7 +2272,6 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
if (ret < 0)
goto out;
- wl->vif = vif;
list_add(&wlvif->list, &wl->wlvif_list);
set_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags);
@@ -2152,11 +2284,6 @@ out:
out_unlock:
mutex_unlock(&wl->mutex);
- mutex_lock(&wl_list_mutex);
- if (!ret)
- list_add(&wl->list, &wl_list);
- mutex_unlock(&wl_list_mutex);
-
return ret;
}
@@ -2172,20 +2299,20 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl,
if (!test_and_clear_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))
return;
- wl->vif = NULL;
-
/* because of hardware recovery, we may get here twice */
if (wl->state != WL1271_STATE_ON)
return;
wl1271_info("down");
- /* enable dyn ps just in case (if left on due to fw crash etc) */
- if (wlvif->bss_type == BSS_TYPE_STA_BSS)
- ieee80211_enable_dyn_ps(vif);
-
if (wl->scan.state != WL1271_SCAN_STATE_IDLE &&
wl->scan_vif == vif) {
+ /*
+ * Rearm the tx watchdog just before idling scan. This
+ * prevents just-finished scans from triggering the watchdog
+ */
+ wl12xx_rearm_tx_watchdog_locked(wl);
+
wl->scan.state = WL1271_SCAN_STATE_IDLE;
memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch));
wl->scan_vif = NULL;
@@ -2250,10 +2377,10 @@ deinit:
wl->sta_count--;
mutex_unlock(&wl->mutex);
+
del_timer_sync(&wlvif->rx_streaming_timer);
cancel_work_sync(&wlvif->rx_streaming_enable_work);
cancel_work_sync(&wlvif->rx_streaming_disable_work);
- cancel_delayed_work_sync(&wlvif->pspoll_work);
mutex_lock(&wl->mutex);
}
@@ -2264,7 +2391,10 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
struct wl1271 *wl = hw->priv;
struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
struct wl12xx_vif *iter;
+ struct vif_counter_data vif_count;
+ bool cancel_recovery = true;
+ wl12xx_get_vif_count(hw, vif, &vif_count);
mutex_lock(&wl->mutex);
if (wl->state == WL1271_STATE_OFF ||
@@ -2283,20 +2413,34 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
break;
}
WARN_ON(iter != wlvif);
+ if (wl12xx_need_fw_change(wl, vif_count, false)) {
+ wl12xx_force_active_psm(wl);
+ set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags);
+ wl12xx_queue_recovery_work(wl);
+ cancel_recovery = false;
+ }
out:
mutex_unlock(&wl->mutex);
- cancel_work_sync(&wl->recovery_work);
+ if (cancel_recovery)
+ cancel_work_sync(&wl->recovery_work);
}
static int wl12xx_op_change_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum nl80211_iftype new_type, bool p2p)
{
+ struct wl1271 *wl = hw->priv;
+ int ret;
+
+ set_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags);
wl1271_op_remove_interface(hw, vif);
- vif->type = ieee80211_iftype_p2p(new_type, p2p);
+ vif->type = new_type;
vif->p2p = p2p;
- return wl1271_op_add_interface(hw, vif);
+ ret = wl1271_op_add_interface(hw, vif);
+
+ clear_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags);
+ return ret;
}
static int wl1271_join(struct wl1271 *wl, struct wl12xx_vif *wlvif,
@@ -2317,6 +2461,9 @@ static int wl1271_join(struct wl1271 *wl, struct wl12xx_vif *wlvif,
if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
wl1271_info("JOIN while associated.");
+ /* clear encryption type */
+ wlvif->encryption_type = KEY_NONE;
+
if (set_assoc)
set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags);
@@ -2467,71 +2614,61 @@ static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif,
wl1271_warning("rate policy for channel "
"failed %d", ret);
- if (test_bit(WLVIF_FLAG_STA_ASSOCIATED,
- &wlvif->flags)) {
- if (wl12xx_dev_role_started(wlvif)) {
- /* roaming */
- ret = wl12xx_croc(wl,
- wlvif->dev_role_id);
- if (ret < 0)
- return ret;
- }
- ret = wl1271_join(wl, wlvif, false);
+ /*
+ * change the ROC channel. do it only if we are
+ * not idle. otherwise, CROC will be called
+ * anyway.
+ */
+ if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED,
+ &wlvif->flags) &&
+ wl12xx_dev_role_started(wlvif) &&
+ !(conf->flags & IEEE80211_CONF_IDLE)) {
+ ret = wl12xx_stop_dev(wl, wlvif);
if (ret < 0)
- wl1271_warning("cmd join on channel "
- "failed %d", ret);
- } else {
- /*
- * change the ROC channel. do it only if we are
- * not idle. otherwise, CROC will be called
- * anyway.
- */
- if (wl12xx_dev_role_started(wlvif) &&
- !(conf->flags & IEEE80211_CONF_IDLE)) {
- ret = wl12xx_stop_dev(wl, wlvif);
- if (ret < 0)
- return ret;
+ return ret;
- ret = wl12xx_start_dev(wl, wlvif);
- if (ret < 0)
- return ret;
- }
+ ret = wl12xx_start_dev(wl, wlvif);
+ if (ret < 0)
+ return ret;
}
}
}
- /*
- * if mac80211 changes the PSM mode, make sure the mode is not
- * incorrectly changed after the pspoll failure active window.
- */
- if (changed & IEEE80211_CONF_CHANGE_PS)
- clear_bit(WLVIF_FLAG_PSPOLL_FAILURE, &wlvif->flags);
+ if ((changed & IEEE80211_CONF_CHANGE_PS) && !is_ap) {
- if (conf->flags & IEEE80211_CONF_PS &&
- !test_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags)) {
- set_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags);
+ if ((conf->flags & IEEE80211_CONF_PS) &&
+ test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) &&
+ !test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) {
- /*
- * We enter PSM only if we're already associated.
- * If we're not, we'll enter it when joining an SSID,
- * through the bss_info_changed() hook.
- */
- if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) {
- wl1271_debug(DEBUG_PSM, "psm enabled");
- ret = wl1271_ps_set_mode(wl, wlvif,
- STATION_POWER_SAVE_MODE,
- wlvif->basic_rate, true);
- }
- } else if (!(conf->flags & IEEE80211_CONF_PS) &&
- test_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags)) {
- wl1271_debug(DEBUG_PSM, "psm disabled");
+ int ps_mode;
+ char *ps_mode_str;
+
+ if (wl->conf.conn.forced_ps) {
+ ps_mode = STATION_POWER_SAVE_MODE;
+ ps_mode_str = "forced";
+ } else {
+ ps_mode = STATION_AUTO_PS_MODE;
+ ps_mode_str = "auto";
+ }
+
+ wl1271_debug(DEBUG_PSM, "%s ps enabled", ps_mode_str);
+
+ ret = wl1271_ps_set_mode(wl, wlvif, ps_mode);
- clear_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags);
+ if (ret < 0)
+ wl1271_warning("enter %s ps failed %d",
+ ps_mode_str, ret);
+
+ } else if (!(conf->flags & IEEE80211_CONF_PS) &&
+ test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) {
+
+ wl1271_debug(DEBUG_PSM, "auto ps disabled");
- if (test_bit(WLVIF_FLAG_PSM, &wlvif->flags))
ret = wl1271_ps_set_mode(wl, wlvif,
- STATION_ACTIVE_MODE,
- wlvif->basic_rate, true);
+ STATION_ACTIVE_MODE);
+ if (ret < 0)
+ wl1271_warning("exit auto ps failed %d", ret);
+ }
}
if (conf->power_level != wlvif->power_level) {
@@ -2971,6 +3108,21 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
wl1271_error("Could not add or replace key");
goto out_sleep;
}
+
+ /*
+ * reconfiguring arp response if the unicast (or common)
+ * encryption key type was changed
+ */
+ if (wlvif->bss_type == BSS_TYPE_STA_BSS &&
+ (sta || key_type == KEY_WEP) &&
+ wlvif->encryption_type != key_type) {
+ wlvif->encryption_type = key_type;
+ ret = wl1271_cmd_build_arp_rsp(wl, wlvif);
+ if (ret < 0) {
+ wl1271_warning("build arp rsp failed: %d", ret);
+ goto out_sleep;
+ }
+ }
break;
case DISABLE_KEY:
@@ -3004,8 +3156,6 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
struct cfg80211_scan_request *req)
{
struct wl1271 *wl = hw->priv;
- struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
-
int ret;
u8 *ssid = NULL;
size_t len = 0;
@@ -3033,17 +3183,13 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
if (ret < 0)
goto out;
- if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) &&
- test_bit(wlvif->role_id, wl->roc_map)) {
+ /* fail if there is any role in ROC */
+ if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) {
/* don't allow scanning right now */
ret = -EBUSY;
goto out_sleep;
}
- /* cancel ROC before scanning */
- if (wl12xx_dev_role_started(wlvif))
- wl12xx_stop_dev(wl, wlvif);
-
ret = wl1271_scan(hw->priv, vif, ssid, len, req);
out_sleep:
wl1271_ps_elp_sleep(wl);
@@ -3078,6 +3224,13 @@ static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw,
if (ret < 0)
goto out_sleep;
}
+
+ /*
+ * Rearm the tx watchdog just before idling scan. This
+ * prevents just-finished scans from triggering the watchdog
+ */
+ wl12xx_rearm_tx_watchdog_locked(wl);
+
wl->scan.state = WL1271_SCAN_STATE_IDLE;
memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch));
wl->scan_vif = NULL;
@@ -3105,6 +3258,11 @@ static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw,
mutex_lock(&wl->mutex);
+ if (wl->state == WL1271_STATE_OFF) {
+ ret = -EAGAIN;
+ goto out;
+ }
+
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
@@ -3136,6 +3294,9 @@ static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw,
mutex_lock(&wl->mutex);
+ if (wl->state == WL1271_STATE_OFF)
+ goto out;
+
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
@@ -3263,6 +3424,7 @@ static void wl12xx_remove_vendor_ie(struct sk_buff *skb,
static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates,
struct ieee80211_vif *vif)
{
+ struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
struct sk_buff *skb;
int ret;
@@ -3270,7 +3432,7 @@ static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates,
if (!skb)
return -EOPNOTSUPP;
- ret = wl1271_cmd_template_set(wl,
+ ret = wl1271_cmd_template_set(wl, wlvif->role_id,
CMD_TEMPL_AP_PROBE_RESPONSE,
skb->data,
skb->len, 0,
@@ -3294,7 +3456,7 @@ static int wl1271_ap_set_probe_resp_tmpl_legacy(struct wl1271 *wl,
/* no need to change probe response if the SSID is set correctly */
if (wlvif->ssid_len > 0)
- return wl1271_cmd_template_set(wl,
+ return wl1271_cmd_template_set(wl, wlvif->role_id,
CMD_TEMPL_AP_PROBE_RESPONSE,
probe_rsp_data,
probe_rsp_len, 0,
@@ -3331,7 +3493,7 @@ static int wl1271_ap_set_probe_resp_tmpl_legacy(struct wl1271 *wl,
ptr, probe_rsp_len - (ptr - probe_rsp_data));
templ_len += probe_rsp_len - (ptr - probe_rsp_data);
- return wl1271_cmd_template_set(wl,
+ return wl1271_cmd_template_set(wl, wlvif->role_id,
CMD_TEMPL_AP_PROBE_RESPONSE,
probe_rsp_templ,
templ_len, 0,
@@ -3428,7 +3590,7 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl,
min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON :
CMD_TEMPL_BEACON;
- ret = wl1271_cmd_template_set(wl, tmpl_id,
+ ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id,
beacon->data,
beacon->len, 0,
min_rate);
@@ -3467,7 +3629,7 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl,
beacon->len,
min_rate);
else
- ret = wl1271_cmd_template_set(wl,
+ ret = wl1271_cmd_template_set(wl, wlvif->role_id,
CMD_TEMPL_PROBE_RESPONSE,
beacon->data,
beacon->len, 0,
@@ -3592,10 +3754,8 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl,
ibss_joined = true;
} else {
if (test_and_clear_bit(WLVIF_FLAG_IBSS_JOINED,
- &wlvif->flags)) {
+ &wlvif->flags))
wl1271_unjoin(wl, wlvif);
- wl12xx_start_dev(wl, wlvif);
- }
}
}
@@ -3613,7 +3773,7 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl,
do_join = true;
}
- if (changed & BSS_CHANGED_IDLE) {
+ if (changed & BSS_CHANGED_IDLE && !is_ibss) {
ret = wl1271_sta_handle_idle(wl, wlvif, bss_conf->idle);
if (ret < 0)
wl1271_warning("idle mode change failed %d", ret);
@@ -3631,7 +3791,8 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl,
wlvif->rssi_thold = bss_conf->cqm_rssi_thold;
}
- if (changed & BSS_CHANGED_BSSID)
+ if (changed & BSS_CHANGED_BSSID &&
+ (is_ibss || bss_conf->assoc))
if (!is_zero_ether_addr(bss_conf->bssid)) {
ret = wl12xx_cmd_build_null_data(wl, wlvif);
if (ret < 0)
@@ -3668,10 +3829,9 @@ sta_not_found:
u32 rates;
int ieoffset;
wlvif->aid = bss_conf->aid;
+ wlvif->beacon_int = bss_conf->beacon_int;
set_assoc = true;
- wlvif->ps_poll_failures = 0;
-
/*
* use basic rates from AP, and determine lowest rate
* to use with control frames.
@@ -3731,9 +3891,6 @@ sta_not_found:
dev_kfree_skb(wlvif->probereq);
wlvif->probereq = NULL;
- /* re-enable dynamic ps - just in case */
- ieee80211_enable_dyn_ps(vif);
-
/* revert back to minimum rates for the current band */
wl1271_set_band_rate(wl, wlvif);
wlvif->basic_rate =
@@ -3753,7 +3910,6 @@ sta_not_found:
/* restore the bssid filter and go to dummy bssid */
if (was_assoc) {
- u32 conf_flags = wl->hw->conf.flags;
/*
* we might have to disable roc, if there was
* no IF_OPER_UP notification.
@@ -3776,7 +3932,7 @@ sta_not_found:
}
wl1271_unjoin(wl, wlvif);
- if (!(conf_flags & IEEE80211_CONF_IDLE))
+ if (!bss_conf->idle)
wl12xx_start_dev(wl, wlvif);
}
}
@@ -3807,34 +3963,6 @@ sta_not_found:
if (ret < 0)
goto out;
- if (changed & BSS_CHANGED_ARP_FILTER) {
- __be32 addr = bss_conf->arp_addr_list[0];
- WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS);
-
- if (bss_conf->arp_addr_cnt == 1 &&
- bss_conf->arp_filter_enabled) {
- /*
- * The template should have been configured only upon
- * association. however, it seems that the correct ip
- * isn't being set (when sending), so we have to
- * reconfigure the template upon every ip change.
- */
- ret = wl1271_cmd_build_arp_rsp(wl, wlvif, addr);
- if (ret < 0) {
- wl1271_warning("build arp rsp failed: %d", ret);
- goto out;
- }
-
- ret = wl1271_acx_arp_ip_filter(wl, wlvif,
- ACX_ARP_FILTER_ARP_FILTERING,
- addr);
- } else
- ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr);
-
- if (ret < 0)
- goto out;
- }
-
if (do_join) {
ret = wl1271_join(wl, wlvif, set_assoc);
if (ret < 0) {
@@ -3848,8 +3976,8 @@ sta_not_found:
if (ret < 0)
goto out;
- wl1271_check_operstate(wl, wlvif,
- ieee80211_get_operstate(vif));
+ if (test_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags))
+ wl12xx_set_authorized(wl, wlvif);
}
/*
* stop device role if started (we might already be in
@@ -3860,19 +3988,6 @@ sta_not_found:
if (ret < 0)
goto out;
}
-
- /* If we want to go in PSM but we're not there yet */
- if (test_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags) &&
- !test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) {
- enum wl1271_cmd_ps_mode mode;
-
- mode = STATION_POWER_SAVE_MODE;
- ret = wl1271_ps_set_mode(wl, wlvif, mode,
- wlvif->basic_rate,
- true);
- if (ret < 0)
- goto out;
- }
}
/* Handle new association with HT. Do this after join. */
@@ -3914,6 +4029,41 @@ sta_not_found:
}
}
+ /* Handle arp filtering. Done after join. */
+ if ((changed & BSS_CHANGED_ARP_FILTER) ||
+ (!is_ibss && (changed & BSS_CHANGED_QOS))) {
+ __be32 addr = bss_conf->arp_addr_list[0];
+ wlvif->sta.qos = bss_conf->qos;
+ WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS);
+
+ if (bss_conf->arp_addr_cnt == 1 &&
+ bss_conf->arp_filter_enabled) {
+ wlvif->ip_addr = addr;
+ /*
+ * The template should have been configured only upon
+ * association. however, it seems that the correct ip
+ * isn't being set (when sending), so we have to
+ * reconfigure the template upon every ip change.
+ */
+ ret = wl1271_cmd_build_arp_rsp(wl, wlvif);
+ if (ret < 0) {
+ wl1271_warning("build arp rsp failed: %d", ret);
+ goto out;
+ }
+
+ ret = wl1271_acx_arp_ip_filter(wl, wlvif,
+ (ACX_ARP_FILTER_ARP_FILTERING |
+ ACX_ARP_FILTER_AUTO_ARP),
+ addr);
+ } else {
+ wlvif->ip_addr = 0;
+ ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr);
+ }
+
+ if (ret < 0)
+ goto out;
+ }
+
out:
return;
}
@@ -4009,6 +4159,7 @@ static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw,
{
struct wl1271 *wl = hw->priv;
+ struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
u64 mactime = ULLONG_MAX;
int ret;
@@ -4023,7 +4174,7 @@ static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw,
if (ret < 0)
goto out;
- ret = wl1271_acx_tsf_info(wl, &mactime);
+ ret = wl12xx_acx_tsf_info(wl, wlvif, &mactime);
if (ret < 0)
goto out_sleep;
@@ -4085,107 +4236,155 @@ void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid)
clear_bit(hlid, wlvif->ap.sta_hlid_map);
memset(wl->links[hlid].addr, 0, ETH_ALEN);
wl->links[hlid].ba_bitmap = 0;
- wl1271_tx_reset_link_queues(wl, hlid);
__clear_bit(hlid, &wl->ap_ps_map);
__clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map);
wl12xx_free_link(wl, wlvif, &hlid);
wl->active_sta_count--;
+
+ /*
+ * rearm the tx watchdog when the last STA is freed - give the FW a
+ * chance to return STA-buffered packets before complaining.
+ */
+ if (wl->active_sta_count == 0)
+ wl12xx_rearm_tx_watchdog_locked(wl);
}
-static int wl1271_op_sta_add(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta)
+static int wl12xx_sta_add(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif,
+ struct ieee80211_sta *sta)
{
- struct wl1271 *wl = hw->priv;
- struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
struct wl1271_station *wl_sta;
int ret = 0;
u8 hlid;
- mutex_lock(&wl->mutex);
-
- if (unlikely(wl->state == WL1271_STATE_OFF))
- goto out;
-
- if (wlvif->bss_type != BSS_TYPE_AP_BSS)
- goto out;
-
wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid);
ret = wl1271_allocate_sta(wl, wlvif, sta);
if (ret < 0)
- goto out;
+ return ret;
wl_sta = (struct wl1271_station *)sta->drv_priv;
hlid = wl_sta->hlid;
- ret = wl1271_ps_elp_wakeup(wl);
- if (ret < 0)
- goto out_free_sta;
-
ret = wl12xx_cmd_add_peer(wl, wlvif, sta, hlid);
if (ret < 0)
- goto out_sleep;
+ wl1271_free_sta(wl, wlvif, hlid);
- ret = wl12xx_cmd_set_peer_state(wl, hlid);
- if (ret < 0)
- goto out_sleep;
+ return ret;
+}
- ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true, hlid);
- if (ret < 0)
- goto out_sleep;
+static int wl12xx_sta_remove(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif,
+ struct ieee80211_sta *sta)
+{
+ struct wl1271_station *wl_sta;
+ int ret = 0, id;
-out_sleep:
- wl1271_ps_elp_sleep(wl);
+ wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid);
+
+ wl_sta = (struct wl1271_station *)sta->drv_priv;
+ id = wl_sta->hlid;
+ if (WARN_ON(!test_bit(id, wlvif->ap.sta_hlid_map)))
+ return -EINVAL;
-out_free_sta:
+ ret = wl12xx_cmd_remove_peer(wl, wl_sta->hlid);
if (ret < 0)
- wl1271_free_sta(wl, wlvif, hlid);
+ return ret;
-out:
- mutex_unlock(&wl->mutex);
+ wl1271_free_sta(wl, wlvif, wl_sta->hlid);
return ret;
}
-static int wl1271_op_sta_remove(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta)
+static int wl12xx_update_sta_state(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif,
+ struct ieee80211_sta *sta,
+ enum ieee80211_sta_state old_state,
+ enum ieee80211_sta_state new_state)
{
- struct wl1271 *wl = hw->priv;
- struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
struct wl1271_station *wl_sta;
- int ret = 0, id;
+ u8 hlid;
+ bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS;
+ bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS;
+ int ret;
- mutex_lock(&wl->mutex);
+ wl_sta = (struct wl1271_station *)sta->drv_priv;
+ hlid = wl_sta->hlid;
- if (unlikely(wl->state == WL1271_STATE_OFF))
- goto out;
+ /* Add station (AP mode) */
+ if (is_ap &&
+ old_state == IEEE80211_STA_NOTEXIST &&
+ new_state == IEEE80211_STA_NONE)
+ return wl12xx_sta_add(wl, wlvif, sta);
+
+ /* Remove station (AP mode) */
+ if (is_ap &&
+ old_state == IEEE80211_STA_NONE &&
+ new_state == IEEE80211_STA_NOTEXIST) {
+ /* must not fail */
+ wl12xx_sta_remove(wl, wlvif, sta);
+ return 0;
+ }
- if (wlvif->bss_type != BSS_TYPE_AP_BSS)
- goto out;
+ /* Authorize station (AP mode) */
+ if (is_ap &&
+ new_state == IEEE80211_STA_AUTHORIZED) {
+ ret = wl12xx_cmd_set_peer_state(wl, hlid);
+ if (ret < 0)
+ return ret;
- wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid);
+ ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true,
+ hlid);
+ return ret;
+ }
- wl_sta = (struct wl1271_station *)sta->drv_priv;
- id = wl_sta->hlid;
- if (WARN_ON(!test_bit(id, wlvif->ap.sta_hlid_map)))
+ /* Authorize station */
+ if (is_sta &&
+ new_state == IEEE80211_STA_AUTHORIZED) {
+ set_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags);
+ return wl12xx_set_authorized(wl, wlvif);
+ }
+
+ if (is_sta &&
+ old_state == IEEE80211_STA_AUTHORIZED &&
+ new_state == IEEE80211_STA_ASSOC) {
+ clear_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags);
+ return 0;
+ }
+
+ return 0;
+}
+
+static int wl12xx_op_sta_state(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ enum ieee80211_sta_state old_state,
+ enum ieee80211_sta_state new_state)
+{
+ struct wl1271 *wl = hw->priv;
+ struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
+ int ret;
+
+ wl1271_debug(DEBUG_MAC80211, "mac80211 sta %d state=%d->%d",
+ sta->aid, old_state, new_state);
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state == WL1271_STATE_OFF)) {
+ ret = -EBUSY;
goto out;
+ }
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
- ret = wl12xx_cmd_remove_peer(wl, wl_sta->hlid);
- if (ret < 0)
- goto out_sleep;
+ ret = wl12xx_update_sta_state(wl, wlvif, sta, old_state, new_state);
- wl1271_free_sta(wl, wlvif, wl_sta->hlid);
-
-out_sleep:
wl1271_ps_elp_sleep(wl);
-
out:
mutex_unlock(&wl->mutex);
+ if (new_state < old_state)
+ return 0;
return ret;
}
@@ -4354,6 +4553,8 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw,
wl1271_debug(DEBUG_MAC80211, "mac80211 channel switch");
+ wl1271_tx_flush(wl);
+
mutex_lock(&wl->mutex);
if (unlikely(wl->state == WL1271_STATE_OFF)) {
@@ -4370,7 +4571,7 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw,
/* TODO: change mac80211 to pass vif as param */
wl12xx_for_each_wlvif_sta(wl, wlvif) {
- ret = wl12xx_cmd_channel_switch(wl, ch_switch);
+ ret = wl12xx_cmd_channel_switch(wl, wlvif, ch_switch);
if (!ret)
set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags);
@@ -4464,6 +4665,7 @@ static struct ieee80211_channel wl1271_channels[] = {
/* mapping to indexes for wl1271_rates */
static const u8 wl1271_rate_to_idx_2ghz[] = {
/* MCS rates are used only with 11n */
+ 7, /* CONF_HW_RXTX_RATE_MCS7_SGI */
7, /* CONF_HW_RXTX_RATE_MCS7 */
6, /* CONF_HW_RXTX_RATE_MCS6 */
5, /* CONF_HW_RXTX_RATE_MCS5 */
@@ -4585,6 +4787,7 @@ static struct ieee80211_channel wl1271_channels_5ghz[] = {
/* mapping to indexes for wl1271_rates_5ghz */
static const u8 wl1271_rate_to_idx_5ghz[] = {
/* MCS rates are used only with 11n */
+ 7, /* CONF_HW_RXTX_RATE_MCS7_SGI */
7, /* CONF_HW_RXTX_RATE_MCS7 */
6, /* CONF_HW_RXTX_RATE_MCS6 */
5, /* CONF_HW_RXTX_RATE_MCS5 */
@@ -4650,8 +4853,7 @@ static const struct ieee80211_ops wl1271_ops = {
.conf_tx = wl1271_op_conf_tx,
.get_tsf = wl1271_op_get_tsf,
.get_survey = wl1271_op_get_survey,
- .sta_add = wl1271_op_sta_add,
- .sta_remove = wl1271_op_sta_remove,
+ .sta_state = wl12xx_op_sta_state,
.ampdu_action = wl1271_op_ampdu_action,
.tx_frames_pending = wl1271_tx_frames_pending,
.set_bitrate_mask = wl12xx_set_bitrate_mask,
@@ -4825,13 +5027,120 @@ static struct bin_attribute fwlog_attr = {
.read = wl1271_sysfs_read_fwlog,
};
+static bool wl12xx_mac_in_fuse(struct wl1271 *wl)
+{
+ bool supported = false;
+ u8 major, minor;
+
+ if (wl->chip.id == CHIP_ID_1283_PG20) {
+ major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver);
+ minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver);
+
+ /* in wl128x we have the MAC address if the PG is >= (2, 1) */
+ if (major > 2 || (major == 2 && minor >= 1))
+ supported = true;
+ } else {
+ major = WL127X_PG_GET_MAJOR(wl->hw_pg_ver);
+ minor = WL127X_PG_GET_MINOR(wl->hw_pg_ver);
+
+ /* in wl127x we have the MAC address if the PG is >= (3, 1) */
+ if (major == 3 && minor >= 1)
+ supported = true;
+ }
+
+ wl1271_debug(DEBUG_PROBE,
+ "PG Ver major = %d minor = %d, MAC %s present",
+ major, minor, supported ? "is" : "is not");
+
+ return supported;
+}
+
+static void wl12xx_derive_mac_addresses(struct wl1271 *wl,
+ u32 oui, u32 nic, int n)
+{
+ int i;
+
+ wl1271_debug(DEBUG_PROBE, "base address: oui %06x nic %06x, n %d",
+ oui, nic, n);
+
+ if (nic + n - 1 > 0xffffff)
+ wl1271_warning("NIC part of the MAC address wraps around!");
+
+ for (i = 0; i < n; i++) {
+ wl->addresses[i].addr[0] = (u8)(oui >> 16);
+ wl->addresses[i].addr[1] = (u8)(oui >> 8);
+ wl->addresses[i].addr[2] = (u8) oui;
+ wl->addresses[i].addr[3] = (u8)(nic >> 16);
+ wl->addresses[i].addr[4] = (u8)(nic >> 8);
+ wl->addresses[i].addr[5] = (u8) nic;
+ nic++;
+ }
+
+ wl->hw->wiphy->n_addresses = n;
+ wl->hw->wiphy->addresses = wl->addresses;
+}
+
+static void wl12xx_get_fuse_mac(struct wl1271 *wl)
+{
+ u32 mac1, mac2;
+
+ wl1271_set_partition(wl, &wl12xx_part_table[PART_DRPW]);
+
+ mac1 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1);
+ mac2 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2);
+
+ /* these are the two parts of the BD_ADDR */
+ wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
+ ((mac1 & 0xff000000) >> 24);
+ wl->fuse_nic_addr = mac1 & 0xffffff;
+
+ wl1271_set_partition(wl, &wl12xx_part_table[PART_DOWN]);
+}
+
+static int wl12xx_get_hw_info(struct wl1271 *wl)
+{
+ int ret;
+ u32 die_info;
+
+ ret = wl12xx_set_power_on(wl);
+ if (ret < 0)
+ goto out;
+
+ wl->chip.id = wl1271_read32(wl, CHIP_ID_B);
+
+ if (wl->chip.id == CHIP_ID_1283_PG20)
+ die_info = wl1271_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1);
+ else
+ die_info = wl1271_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1);
+
+ wl->hw_pg_ver = (s8) (die_info & PG_VER_MASK) >> PG_VER_OFFSET;
+
+ if (!wl12xx_mac_in_fuse(wl)) {
+ wl->fuse_oui_addr = 0;
+ wl->fuse_nic_addr = 0;
+ } else {
+ wl12xx_get_fuse_mac(wl);
+ }
+
+ wl1271_power_off(wl);
+out:
+ return ret;
+}
+
static int wl1271_register_hw(struct wl1271 *wl)
{
int ret;
+ u32 oui_addr = 0, nic_addr = 0;
if (wl->mac80211_registered)
return 0;
+ ret = wl12xx_get_hw_info(wl);
+ if (ret < 0) {
+ wl1271_error("couldn't get hw info");
+ goto out;
+ }
+
ret = wl1271_fetch_nvs(wl);
if (ret == 0) {
/* NOTE: The wl->nvs->nvs element must be first, in
@@ -4840,39 +5149,42 @@ static int wl1271_register_hw(struct wl1271 *wl)
*/
u8 *nvs_ptr = (u8 *)wl->nvs;
- wl->mac_addr[0] = nvs_ptr[11];
- wl->mac_addr[1] = nvs_ptr[10];
- wl->mac_addr[2] = nvs_ptr[6];
- wl->mac_addr[3] = nvs_ptr[5];
- wl->mac_addr[4] = nvs_ptr[4];
- wl->mac_addr[5] = nvs_ptr[3];
+ oui_addr =
+ (nvs_ptr[11] << 16) + (nvs_ptr[10] << 8) + nvs_ptr[6];
+ nic_addr =
+ (nvs_ptr[5] << 16) + (nvs_ptr[4] << 8) + nvs_ptr[3];
}
- SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
+ /* if the MAC address is zeroed in the NVS derive from fuse */
+ if (oui_addr == 0 && nic_addr == 0) {
+ oui_addr = wl->fuse_oui_addr;
+ /* fuse has the BD_ADDR, the WLAN addresses are the next two */
+ nic_addr = wl->fuse_nic_addr + 1;
+ }
+
+ wl12xx_derive_mac_addresses(wl, oui_addr, nic_addr, 2);
ret = ieee80211_register_hw(wl->hw);
if (ret < 0) {
wl1271_error("unable to register mac80211 hw: %d", ret);
- return ret;
+ goto out;
}
wl->mac80211_registered = true;
wl1271_debugfs_init(wl);
- register_netdevice_notifier(&wl1271_dev_notifier);
-
wl1271_notice("loaded");
- return 0;
+out:
+ return ret;
}
static void wl1271_unregister_hw(struct wl1271 *wl)
{
- if (wl->state == WL1271_STATE_PLT)
- __wl1271_plt_stop(wl);
+ if (wl->plt)
+ wl1271_plt_stop(wl);
- unregister_netdevice_notifier(&wl1271_dev_notifier);
ieee80211_unregister_hw(wl->hw);
wl->mac80211_registered = false;
@@ -4889,7 +5201,7 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
};
/* The tx descriptor buffer and the TKIP space. */
- wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE +
+ wl->hw->extra_tx_headroom = WL1271_EXTRA_SPACE_TKIP +
sizeof(struct wl1271_tx_hw_descr);
/* unit us */
@@ -4898,17 +5210,17 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval;
wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_BEACON_FILTER |
IEEE80211_HW_SUPPORTS_PS |
+ IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
IEEE80211_HW_SUPPORTS_UAPSD |
IEEE80211_HW_HAS_RATE_CONTROL |
IEEE80211_HW_CONNECTION_MONITOR |
- IEEE80211_HW_SUPPORTS_CQM_RSSI |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_SPECTRUM_MGMT |
IEEE80211_HW_AP_LINK_PS |
IEEE80211_HW_AMPDU_AGGREGATION |
- IEEE80211_HW_TX_AMPDU_SETUP_IN_HW;
+ IEEE80211_HW_TX_AMPDU_SETUP_IN_HW |
+ IEEE80211_HW_SCAN_WHILE_IDLE;
wl->hw->wiphy->cipher_suites = cipher_suites;
wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
@@ -4924,10 +5236,10 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
* should be the maximum length possible for a template, without
* the IEEE80211 header of the template
*/
- wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_DFLT_SIZE -
+ wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE -
sizeof(struct ieee80211_header);
- wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_DFLT_SIZE -
+ wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE -
sizeof(struct ieee80211_header);
wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
@@ -4993,7 +5305,6 @@ static struct ieee80211_hw *wl1271_alloc_hw(void)
wl = hw->priv;
memset(wl, 0, sizeof(*wl));
- INIT_LIST_HEAD(&wl->list);
INIT_LIST_HEAD(&wl->wlvif_list);
wl->hw = hw;
@@ -5010,6 +5321,7 @@ static struct ieee80211_hw *wl1271_alloc_hw(void)
INIT_WORK(&wl->tx_work, wl1271_tx_work);
INIT_WORK(&wl->recovery_work, wl1271_recovery_work);
INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work);
+ INIT_DELAYED_WORK(&wl->tx_watchdog_work, wl12xx_tx_watchdog_work);
wl->freezable_wq = create_freezable_workqueue("wl12xx_wq");
if (!wl->freezable_wq) {
@@ -5021,7 +5333,6 @@ static struct ieee80211_hw *wl1271_alloc_hw(void)
wl->rx_counter = 0;
wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
wl->band = IEEE80211_BAND_2GHZ;
- wl->vif = NULL;
wl->flags = 0;
wl->sg_enabled = true;
wl->hw_pg_ver = -1;
@@ -5046,6 +5357,7 @@ static struct ieee80211_hw *wl1271_alloc_hw(void)
spin_lock_init(&wl->wl_lock);
wl->state = WL1271_STATE_OFF;
+ wl->fw_type = WL12XX_FW_TYPE_NONE;
mutex_init(&wl->mutex);
/* Apply default driver configuration. */
@@ -5113,6 +5425,7 @@ static int wl1271_free_hw(struct wl1271 *wl)
vfree(wl->fw);
wl->fw = NULL;
+ wl->fw_type = WL12XX_FW_TYPE_NONE;
kfree(wl->nvs);
wl->nvs = NULL;
@@ -5299,7 +5612,7 @@ module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR);
MODULE_PARM_DESC(debug_level, "wl12xx debugging level");
module_param_named(fwlog, fwlog_param, charp, 0);
-MODULE_PARM_DESC(keymap,
+MODULE_PARM_DESC(fwlog,
"FW logger options: continuous, ondemand, dbgpins or disable");
module_param(bug_on_recovery, bool, S_IRUSR | S_IWUSR);
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