diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 31 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debugfs.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-rx.c | 4 |
4 files changed, 27 insertions, 12 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index a56fb466d0b6..f73eb08a9494 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -2627,7 +2627,7 @@ static void iwl_force_rf_reset(struct iwl_priv *priv) } -int iwl_force_reset(struct iwl_priv *priv, int mode) +int iwl_force_reset(struct iwl_priv *priv, int mode, bool external) { struct iwl_force_reset *force_reset; @@ -2640,12 +2640,14 @@ int iwl_force_reset(struct iwl_priv *priv, int mode) } force_reset = &priv->force_reset[mode]; force_reset->reset_request_count++; - if (force_reset->last_force_reset_jiffies && - time_after(force_reset->last_force_reset_jiffies + - force_reset->reset_duration, jiffies)) { - IWL_DEBUG_INFO(priv, "force reset rejected\n"); - force_reset->reset_reject_count++; - return -EAGAIN; + if (!external) { + if (force_reset->last_force_reset_jiffies && + time_after(force_reset->last_force_reset_jiffies + + force_reset->reset_duration, jiffies)) { + IWL_DEBUG_INFO(priv, "force reset rejected\n"); + force_reset->reset_reject_count++; + return -EAGAIN; + } } force_reset->reset_success_count++; force_reset->last_force_reset_jiffies = jiffies; @@ -2655,6 +2657,19 @@ int iwl_force_reset(struct iwl_priv *priv, int mode) iwl_force_rf_reset(priv); break; case IWL_FW_RESET: + /* + * if the request is from external(ex: debugfs), + * then always perform the request in regardless the module + * parameter setting + * if the request is from internal (uCode error or driver + * detect failure), then fw_restart module parameter + * need to be check before performing firmware reload + */ + if (!external && !priv->cfg->mod_params->restart_fw) { + IWL_DEBUG_INFO(priv, "Cancel firmware reload based on " + "module parameter setting\n"); + break; + } IWL_ERR(priv, "On demand firmware reload\n"); /* Set the FW error flag -- cleared on iwl_down */ set_bit(STATUS_FW_ERROR, &priv->status); @@ -2713,7 +2728,7 @@ static int iwl_check_stuck_queue(struct iwl_priv *priv, int cnt) "queue %d stuck %d time. Fw reload.\n", q->id, q->repeat_same_read_ptr); q->repeat_same_read_ptr = 0; - iwl_force_reset(priv, IWL_FW_RESET); + iwl_force_reset(priv, IWL_FW_RESET, false); } else { q->repeat_same_read_ptr++; IWL_DEBUG_RADIO(priv, diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 15930e064022..bfa34561d9da 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -525,7 +525,7 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, struct cfg80211_scan_request *req); void iwl_bg_start_internal_scan(struct work_struct *work); void iwl_internal_short_hw_scan(struct iwl_priv *priv); -int iwl_force_reset(struct iwl_priv *priv, int mode); +int iwl_force_reset(struct iwl_priv *priv, int mode, bool external); u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, const u8 *ta, const u8 *ie, int ie_len, int left); void iwl_setup_rx_scan_handlers(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 7d9ffc1575de..48f890883f4e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -1487,7 +1487,7 @@ static ssize_t iwl_dbgfs_force_reset_write(struct file *file, switch (reset) { case IWL_RF_RESET: case IWL_FW_RESET: - ret = iwl_force_reset(priv, reset); + ret = iwl_force_reset(priv, reset, true); break; default: return -EINVAL; diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index b437f317b979..79773e353baa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -238,7 +238,7 @@ void iwl_recover_from_statistics(struct iwl_priv *priv, */ IWL_ERR(priv, "low ack count detected, " "restart firmware\n"); - if (!iwl_force_reset(priv, IWL_FW_RESET)) + if (!iwl_force_reset(priv, IWL_FW_RESET, false)) return; } } @@ -249,7 +249,7 @@ void iwl_recover_from_statistics(struct iwl_priv *priv, * high plcp error detected * reset Radio */ - iwl_force_reset(priv, IWL_RF_RESET); + iwl_force_reset(priv, IWL_RF_RESET, false); } } } |