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e1000e: Simple optimizations in e1000_xmit_frame

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After an e1000 patch from Krishna Kumar <krkumar2@in.ibm.com>.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Auke Kok 2007-10-05 14:15:23 -07:00 committed by David S. Miller
parent 6d1e3aa7bd
commit 4e6c709c5a
1 changed files with 4 additions and 5 deletions
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9
drivers/net/e1000e/netdev.c
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@ -3424,14 +3424,13 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
unsigned int max_per_txd = E1000_MAX_PER_TXD;
unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
unsigned int tx_flags = 0;
unsigned int len = skb->len;
unsigned int len = skb->len - skb->data_len;
unsigned long irq_flags;
unsigned int nr_frags = 0;
unsigned int mss = 0;
unsigned int nr_frags;
unsigned int mss;
int count = 0;
int tso;
unsigned int f;
len -= skb->data_len;
if (test_bit(__E1000_DOWN, &adapter->state)) {
dev_kfree_skb_any(skb);
@ -3459,7 +3458,7 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
* points to just header, pull a few bytes of payload from
* frags into skb->data */
hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
if (skb->data_len && (hdr_len == len)) {
unsigned int pull_size;
pull_size = min((unsigned int)4, skb->data_len);