From 4e6c709c5ab886be0ddbc96c4f96534e55920e68 Mon Sep 17 00:00:00 2001
From: Auke Kok <auke-jan.h.kok@intel.com>
Date: Fri, 5 Oct 2007 14:15:23 -0700
Subject: [PATCH] e1000e: Simple optimizations in e1000_xmit_frame
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>
---
drivers/net/e1000e/netdev.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 3a0bb2afe387..600538bc932f 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -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);
--
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