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authorJesse Brandeburg <jesse.brandeburg@intel.com>2006-11-01 08:47:59 -0800
committerJeff Garzik <jeff@garzik.org>2006-12-02 00:12:00 -0500
commitfcfb1224250d7877b6a6c6a947986e08b2160fb6 (patch)
treeb87742a5b484dcbba418b055337a7f14b2e272dc /drivers/net/e1000/e1000_main.c
parentfc2307d00c15385fbdbb5928a8517e5f63c3d068 (diff)
e1000: add queue restart counter
Add a netif_wake/start_queue counter to the ethtool statistics to indicated to the user that their transmit ring could be too small for their workload. Signed-off-by: Jesse brandeburg <jesse.brandeburg@intel.com> Cc: Jamal Hadi <hadi@cyberus.ca> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r--drivers/net/e1000/e1000_main.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 96e44a82544..705e654c368 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2974,6 +2974,7 @@ static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
/* A reprieve! */
netif_start_queue(netdev);
+ ++adapter->restart_queue;
return 0;
}
@@ -3654,8 +3655,10 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter,
* sees the new next_to_clean.
*/
smp_mb();
- if (netif_queue_stopped(netdev))
+ if (netif_queue_stopped(netdev)) {
netif_wake_queue(netdev);
+ ++adapter->restart_queue;
+ }
}
if (adapter->detect_tx_hung) {