[PATCH 2/6] forcedeth: new ethtool stat "tx_timeout" to account for tx_timeouts

From: David Decotigny
Date: Wed May 18 2011 - 20:15:21 EST


From: Sameer Nanda <snanda@xxxxxxxxxx>

This change publishes a new ethtool stats: tx_timeout that counts the
number of times the tx_timeout callback was triggered.


Signed-off-by: David Decotigny <decot@xxxxxxxxxx>
---
drivers/net/forcedeth.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 895471d..112dc0b 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -632,6 +632,7 @@ static const struct nv_ethtool_str nv_estats_str[] = {
{ "rx_packets" },
{ "rx_errors_total" },
{ "tx_errors_total" },
+ { "tx_timeout" },

/* version 2 stats */
{ "tx_deferral" },
@@ -672,6 +673,7 @@ struct nv_ethtool_stats {
u64 rx_packets;
u64 rx_errors_total;
u64 tx_errors_total;
+ u64 tx_timeout;

/* version 2 stats */
u64 tx_deferral;
@@ -2526,6 +2528,8 @@ static void nv_tx_timeout(struct net_device *dev)

spin_lock_irq(&np->lock);

+ np->estats.tx_timeout++;
+
/* 1) stop tx engine */
nv_stop_tx(dev);

--
1.7.3.1

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