---

yaml --- r: 266727 b: refs/heads/master c: 317d09f h: refs/heads/master i: 266725: 9fefd95 266723: 9d45071 266719: bb1f479 v: v3
git-mirror · Oct 14, 2011 · f1c3b82 · f1c3b82
1 parent d06e01f
commit f1c3b82
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Showing 3 changed files with 24 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 05c89b917da27c15c82433bc6fc740548ee1cb35
+refs/heads/master: 317d09f76976c5a0b1e758fe45474a47cbea1aef
diff --git a/trunk/drivers/net/wireless/iwlwifi/iwl-core.c b/trunk/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1732,10 +1732,31 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	return err;
 }
 
+int iwl_cmd_echo_test(struct iwl_priv *priv)
+{
+	struct iwl_host_cmd cmd = {
+		.id = REPLY_ECHO,
+		.flags = CMD_SYNC,
+	};
+
+	return iwl_trans_send_cmd(trans(priv), &cmd);
+}
+
 static inline int iwl_check_stuck_queue(struct iwl_priv *priv, int txq)
 {
 	if (iwl_trans_check_stuck_queue(trans(priv), txq)) {
-		int ret = iwl_force_reset(priv, IWL_FW_RESET, false);
+		int ret;
+		if (txq == priv->shrd->cmd_queue) {
+			/*
+			 * validate command queue still working
+			 * by sending "ECHO" command
+			 */
+			if (!iwl_cmd_echo_test(priv))
+				return 0;
+			else
+				IWL_DEBUG_HC(priv, "echo testing fail\n");
+		}
+		ret = iwl_force_reset(priv, IWL_FW_RESET, false);
 		return (ret == -EAGAIN) ? 0 : 1;
 	}
 	return 0;

diff --git a/trunk/drivers/net/wireless/iwlwifi/iwl-core.h b/trunk/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -266,6 +266,7 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw,
 int iwl_mac_change_interface(struct ieee80211_hw *hw,
 			     struct ieee80211_vif *vif,
 			     enum nl80211_iftype newtype, bool newp2p);
+int iwl_cmd_echo_test(struct iwl_priv *priv);
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 int iwl_alloc_traffic_mem(struct iwl_priv *priv);
 void iwl_free_traffic_mem(struct iwl_priv *priv);