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authorSathya Perla <sathyap@serverengines.com>2010-02-17 01:34:22 +0000
committerDavid S. Miller <davem@davemloft.net>2010-02-17 13:35:38 -0800
commita058a632747dd0f1799b12f4ecd54e43f5b5f10d (patch)
tree6a397196c62a0703756c8bd24cb1e964ba8bffac /drivers/net/benet
parentaa13bd6ef4ddd81080f972220fae30eb28f65b17 (diff)
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be2net: a mini optimization in rx_compl_process() code
Introduce unlikely() for skb alloc failure and vlanf checks... Signed-off-by: Sathya Perla <sathyap@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/benet')
-rw-r--r--drivers/net/benet/be_main.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index cbfaa3feb7c..7bf1900df66 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -768,16 +768,8 @@ static void be_rx_compl_process(struct be_adapter *adapter,
u32 vlanf, vid;
u8 vtm;
- vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp);
- vtm = AMAP_GET_BITS(struct amap_eth_rx_compl, vtm, rxcp);
-
- /* vlanf could be wrongly set in some cards.
- * ignore if vtm is not set */
- if ((adapter->cap & 0x400) && !vtm)
- vlanf = 0;
-
skb = netdev_alloc_skb_ip_align(adapter->netdev, BE_HDR_LEN);
- if (!skb) {
+ if (unlikely(!skb)) {
if (net_ratelimit())
dev_warn(&adapter->pdev->dev, "skb alloc failed\n");
be_rx_compl_discard(adapter, rxcp);
@@ -795,7 +787,15 @@ static void be_rx_compl_process(struct be_adapter *adapter,
skb->protocol = eth_type_trans(skb, adapter->netdev);
skb->dev = adapter->netdev;
- if (vlanf) {
+ vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp);
+ vtm = AMAP_GET_BITS(struct amap_eth_rx_compl, vtm, rxcp);
+
+ /* vlanf could be wrongly set in some cards.
+ * ignore if vtm is not set */
+ if ((adapter->cap & 0x400) && !vtm)
+ vlanf = 0;
+
+ if (unlikely(vlanf)) {
if (!adapter->vlan_grp || adapter->vlans_added == 0) {
kfree_skb(skb);
return;