[PATCH] libertas: added transmission failures to mesh statistics

[Marcelo Tosatti]

On Thu, Mar 01, 2007 at 12:03:46PM -0800, Javier Cardona wrote:
> Added transmission failures to mesh statistics.

The following has applied to libertas-2.6.

Thanks



c502254c3107bc11293c8f671ef29219161bf1f4
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 34fa0f8..22a8e80 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -124,6 +124,7 @@ struct wlan_mesh_stats {
 	u32	fwd_drop_noroute; 	/* Fwd: No route to Destination */
 	u32	fwd_drop_nobuf;		/* Fwd: Run out of internal buffers */
 	u32	drop_blind;		/* Rx:  Dropped by blinding table */
+	u32	tx_failed_cnt;		/* Tx:  Failed transmissions */
 };
 
 /** Private structure for the MV device */
diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c
index 81a09ed..d58ac06 100644
--- a/drivers/net/wireless/libertas/ethtool.c
+++ b/drivers/net/wireless/libertas/ethtool.c
@@ -17,7 +17,8 @@ static const char * mesh_stat_strings[]=
 			"drop_no_buffers",
 			"fwded_unicast_cnt",
 			"fwded_bcast_cnt",
-			"drop_blind_table"
+			"drop_blind_table",
+			"tx_failed_cnt"
 };
 
 static void libertas_ethtool_get_drvinfo(struct net_device *dev,
@@ -124,6 +125,7 @@ static void libertas_ethtool_get_stats(s
         data[4] = priv->mstats.fwd_unicast_cnt;
         data[5] = priv->mstats.fwd_bcast_cnt;
         data[6] = priv->mstats.drop_blind;
+        data[7] = priv->mstats.tx_failed_cnt;
 
 	lbs_deb_enter(LBS_DEB_ETHTOOL);
 }
@@ -153,6 +155,7 @@ static int libertas_ethtool_get_stats_co
         priv->mstats.fwd_unicast_cnt = mesh_access.data[4];        
         priv->mstats.fwd_bcast_cnt = mesh_access.data[5];          
         priv->mstats.drop_blind = mesh_access.data[6];             
+        priv->mstats.tx_failed_cnt = mesh_access.data[7];
 
 	ret = MESH_STATS_NUM;
 
diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
index 6911820..76cc6cc 100644
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ b/drivers/net/wireless/libertas/hostcmd.h
@@ -621,12 +621,14 @@ struct cmd_ds_fwt_access {
 	u32 references;
 } __attribute__ ((packed));
 
-#define MESH_STATS_NUM 7
 struct cmd_ds_mesh_access {
 	u16 action;
-	u32 data[MESH_STATS_NUM + 1];	/* last position reserved */
+	u32 data[32];	/* last position reserved */
 } __attribute__ ((packed));
 
+/* Number of stats counters returned by the firmware */
+#define MESH_STATS_NUM 8
+
 struct cmd_ds_command {
 	/* command header */
 	u16 command;