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| author | Chuck Ebbert <76306.1226@compuserve.com> | 2005-07-02 21:28:22 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-07-31 01:06:10 -0400 |
| commit | 18c16c696e8b2323a306af455c686df15c717206 (patch) | |
| tree | a273c9fe65d970a10490b838f95e2d52e2193ed3 /drivers/net/loopback.c | |
| parent | d2ae1d2ff9282ca061b6f5244eee4c28ee2b3ffa (diff) | |
| download | op-kernel-dev-18c16c696e8b2323a306af455c686df15c717206.zip op-kernel-dev-18c16c696e8b2323a306af455c686df15c717206.tar.gz | |
[PATCH] loopback: optimize stats
This patch slightly optimizes the loopback driver's stats update.
Saves two loads, one add and one increment per packet sent.
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/net/loopback.c')
| -rw-r--r-- | drivers/net/loopback.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index c1e3cee..dba7616 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -151,9 +151,9 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev) lb_stats = &per_cpu(loopback_stats, get_cpu()); lb_stats->rx_bytes += skb->len; - lb_stats->tx_bytes += skb->len; + lb_stats->tx_bytes = lb_stats->rx_bytes; lb_stats->rx_packets++; - lb_stats->tx_packets++; + lb_stats->tx_packets = lb_stats->rx_packets; put_cpu(); netif_rx(skb); |
