netdev - [patch 03/14] e1000: omit stats for broken counter in 82543

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Date:	Fri, 15 Dec 2006 10:31:40 +0100
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	netdev@...r.kernel.org
Subject: [patch 03/14] e1000: omit stats for broken counter in 82543

Subject: e1000: omit stats for broken counter in 82543
From: Jesse Brandeburg <jesse.brandeburg@...el.com>

The 82543 chip does not count tx_carrier_errors properly in FD mode;
report zeros instead of garbage.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@...el.com>
Signed-off-by: Arjan van de Ven <arjan@...ux.intel.com>
---

 drivers/net/e1000/e1000_main.c |    5 +++++
 1 file changed, 5 insertions(+), 0 deletion(-)

Index: linux-2.6/drivers/net/e1000/e1000_main.c
===================================================================
--- linux-2.6.orig/drivers/net/e1000/e1000_main.c
+++ linux-2.6/drivers/net/e1000/e1000_main.c
@@ -3580,7 +3580,12 @@ e1000_update_stats(struct e1000_adapter 
 	adapter->net_stats.tx_errors = adapter->stats.txerrc;
 	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
 	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
 	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
+	if (adapter->hw.mac_type == e1000_82543 &&
+	    adapter->link_duplex == FULL_DUPLEX) {
+		adapter->net_stats.tx_carrier_errors = 0;
+		adapter->stats.tncrs = 0;
+	}
 
 	/* Tx Dropped needs to be maintained elsewhere */
 

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