diff options
Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-core.c')
-rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-core.c | 121 |
1 files changed, 43 insertions, 78 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c index 42df8321dae..35cd2537e7f 100644 --- a/drivers/net/wireless/iwlegacy/iwl-core.c +++ b/drivers/net/wireless/iwlegacy/iwl-core.c @@ -859,12 +859,8 @@ void iwl_legacy_chswitch_done(struct iwl_priv *priv, bool is_success) if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - if (priv->switch_rxon.switch_in_progress) { + if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) ieee80211_chswitch_done(ctx->vif, is_success); - mutex_lock(&priv->mutex); - priv->switch_rxon.switch_in_progress = false; - mutex_unlock(&priv->mutex); - } } EXPORT_SYMBOL(iwl_legacy_chswitch_done); @@ -876,19 +872,19 @@ void iwl_legacy_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; struct iwl_legacy_rxon_cmd *rxon = (void *)&ctx->active; - if (priv->switch_rxon.switch_in_progress) { - if (!le32_to_cpu(csa->status) && - (csa->channel == priv->switch_rxon.channel)) { - rxon->channel = csa->channel; - ctx->staging.channel = csa->channel; - IWL_DEBUG_11H(priv, "CSA notif: channel %d\n", - le16_to_cpu(csa->channel)); - iwl_legacy_chswitch_done(priv, true); - } else { - IWL_ERR(priv, "CSA notif (fail) : channel %d\n", + if (!test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) + return; + + if (!le32_to_cpu(csa->status) && csa->channel == priv->switch_channel) { + rxon->channel = csa->channel; + ctx->staging.channel = csa->channel; + IWL_DEBUG_11H(priv, "CSA notif: channel %d\n", le16_to_cpu(csa->channel)); - iwl_legacy_chswitch_done(priv, false); - } + iwl_legacy_chswitch_done(priv, true); + } else { + IWL_ERR(priv, "CSA notif (fail) : channel %d\n", + le16_to_cpu(csa->channel)); + iwl_legacy_chswitch_done(priv, false); } } EXPORT_SYMBOL(iwl_legacy_rx_csa); @@ -935,7 +931,6 @@ void iwl_legacy_irq_handle_error(struct iwl_priv *priv) priv->cfg->ops->lib->dump_nic_error_log(priv); if (priv->cfg->ops->lib->dump_fh) priv->cfg->ops->lib->dump_fh(priv, NULL, false); - priv->cfg->ops->lib->dump_nic_event_log(priv, false, NULL, false); #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG if (iwl_legacy_get_debug_level(priv) & IWL_DL_FW_ERRORS) iwl_legacy_print_rx_config_cmd(priv, @@ -1711,41 +1706,14 @@ iwl_legacy_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len) EXPORT_SYMBOL(iwl_legacy_update_stats); #endif -static void _iwl_legacy_force_rf_reset(struct iwl_priv *priv) -{ - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - if (!iwl_legacy_is_any_associated(priv)) { - IWL_DEBUG_SCAN(priv, "force reset rejected: not associated\n"); - return; - } - /* - * There is no easy and better way to force reset the radio, - * the only known method is switching channel which will force to - * reset and tune the radio. - * Use internal short scan (single channel) operation to should - * achieve this objective. - * Driver should reset the radio when number of consecutive missed - * beacon, or any other uCode error condition detected. - */ - IWL_DEBUG_INFO(priv, "perform radio reset.\n"); - iwl_legacy_internal_short_hw_scan(priv); -} - - -int iwl_legacy_force_reset(struct iwl_priv *priv, int mode, bool external) +int iwl_legacy_force_reset(struct iwl_priv *priv, bool external) { struct iwl_force_reset *force_reset; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return -EINVAL; - if (mode >= IWL_MAX_FORCE_RESET) { - IWL_DEBUG_INFO(priv, "invalid reset request.\n"); - return -EINVAL; - } - force_reset = &priv->force_reset[mode]; + force_reset = &priv->force_reset; force_reset->reset_request_count++; if (!external) { if (force_reset->last_force_reset_jiffies && @@ -1758,37 +1726,34 @@ int iwl_legacy_force_reset(struct iwl_priv *priv, int mode, bool external) } force_reset->reset_success_count++; force_reset->last_force_reset_jiffies = jiffies; - IWL_DEBUG_INFO(priv, "perform force reset (%d)\n", mode); - switch (mode) { - case IWL_RF_RESET: - _iwl_legacy_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); - wake_up_interruptible(&priv->wait_command_queue); - /* - * Keep the restart process from trying to send host - * commands by clearing the INIT status bit - */ - clear_bit(STATUS_READY, &priv->status); - queue_work(priv->workqueue, &priv->restart); - break; + + /* + * 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"); + return 0; } + + IWL_ERR(priv, "On demand firmware reload\n"); + + /* Set the FW error flag -- cleared on iwl_down */ + set_bit(STATUS_FW_ERROR, &priv->status); + wake_up_interruptible(&priv->wait_command_queue); + /* + * Keep the restart process from trying to send host + * commands by clearing the INIT status bit + */ + clear_bit(STATUS_READY, &priv->status); + queue_work(priv->workqueue, &priv->restart); + return 0; } @@ -1883,7 +1848,7 @@ static int iwl_legacy_check_stuck_queue(struct iwl_priv *priv, int cnt) if (time_after(jiffies, timeout)) { IWL_ERR(priv, "Queue %d stuck for %u ms.\n", q->id, priv->cfg->base_params->wd_timeout); - ret = iwl_legacy_force_reset(priv, IWL_FW_RESET, false); + ret = iwl_legacy_force_reset(priv, false); return (ret == -EAGAIN) ? 0 : 1; } |