netdev - [PATCH net-next v1 4/9] forcedeth: stats for rx

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Message-Id: <30a7c46d924c29d1faf879bc9522e4ec8565d378.1320875577.git.david.decotigny@google.com>
Date:	Wed,  9 Nov 2011 14:09:18 -0800
From:	David Decotigny <david.decotigny@...gle.com>
To:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	"David S. Miller" <davem@...emloft.net>,
	Ian Campbell <ian.campbell@...rix.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Ben Hutchings <bhutchings@...arflare.com>,
	David Decotigny <david.decotigny@...gle.com>
Subject: [PATCH net-next v1 4/9] forcedeth: stats for rx_packets based on hardware registers

Use the hardware registers instead of a software implementation to
account for the number of RX packets.



Signed-off-by: David Decotigny <david.decotigny@...gle.com>
---
 drivers/net/ethernet/nvidia/forcedeth.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index cd7f83d..0071d5c 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -1712,6 +1712,7 @@ static struct net_device_stats *nv_get_stats(struct net_device *dev)
 		nv_get_hw_stats(dev);
 
 		/* copy to net_device stats */
+		dev->stats.rx_packets = np->estats.rx_packets;
 		dev->stats.tx_packets = np->estats.tx_packets;
 		dev->stats.rx_bytes = np->estats.rx_bytes;
 		dev->stats.tx_bytes = np->estats.tx_bytes;
@@ -2690,7 +2691,6 @@ static int nv_rx_process(struct net_device *dev, int limit)
 		skb_put(skb, len);
 		skb->protocol = eth_type_trans(skb, dev);
 		napi_gro_receive(&np->napi, skb);
-		dev->stats.rx_packets++;
 next_pkt:
 		if (unlikely(np->get_rx.orig++ == np->last_rx.orig))
 			np->get_rx.orig = np->first_rx.orig;
@@ -2773,7 +2773,6 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit)
 				__vlan_hwaccel_put_tag(skb, vid);
 			}
 			napi_gro_receive(&np->napi, skb);
-			dev->stats.rx_packets++;
 		} else {
 			dev_kfree_skb(skb);
 		}
-- 
1.7.3.1

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