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[net-next-2.6,01/10] sfc: Use MCDI RX_BAD_FCS_PKTS count as MAC rx_bad count

Message ID 1284136860.2267.95.camel@achroite.uk.solarflarecom.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Ben Hutchings Sept. 10, 2010, 4:41 p.m. UTC
Calculating rx_bad as rx_packets - rx_good is unnecessary and
incorrect, since rx_good does not include control frames (e.g.
pause frames) and rx_packets does.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
---
 drivers/net/sfc/siena.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index 3fab030..9f53680 100644
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -450,7 +450,7 @@  static int siena_try_update_nic_stats(struct efx_nic *efx)
 				    mac_stats->rx_bad_bytes);
 	MAC_STAT(rx_packets, RX_PKTS);
 	MAC_STAT(rx_good, RX_GOOD_PKTS);
-	mac_stats->rx_bad = mac_stats->rx_packets - mac_stats->rx_good;
+	MAC_STAT(rx_bad, RX_BAD_FCS_PKTS);
 	MAC_STAT(rx_pause, RX_PAUSE_PKTS);
 	MAC_STAT(rx_control, RX_CONTROL_PKTS);
 	MAC_STAT(rx_unicast, RX_UNICAST_PKTS);