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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2006-03-02 18:20:17 -0800
committerroot <root@jk-desktop.jf.intel.com>2006-03-02 18:20:17 -0800
commit9f68788856b134f93d9d10b19aa902924c61fc02 (patch)
tree84607dc7136b5e003f31ccab24ff9cdffb1510a5 /drivers/net/e1000
parent329bfd0b6d5ffec00b787f1d0e68eef63d8b1d56 (diff)
e1000: Add 82573 controller support to TSO fix
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: John Ronciak <john.ronciak@intel.com>
Diffstat (limited to 'drivers/net/e1000')
-rw-r--r--drivers/net/e1000/e1000_main.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 9e58419c872..6603bd13906 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2796,21 +2796,29 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
max_per_txd = min(mss << 2, max_per_txd);
max_txd_pwr = fls(max_per_txd) - 1;
- /* TSO Workaround for 82571/2 Controllers -- if skb->data
+ /* TSO Workaround for 82571/2/3 Controllers -- if skb->data
* points to just header, pull a few bytes of payload from
* frags into skb->data */
hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
- if (skb->data_len && (hdr_len == (skb->len - skb->data_len)) &&
- (adapter->hw.mac_type == e1000_82571 ||
- adapter->hw.mac_type == e1000_82572)) {
- unsigned int pull_size;
- pull_size = min((unsigned int)4, skb->data_len);
- if (!__pskb_pull_tail(skb, pull_size)) {
- printk(KERN_ERR "__pskb_pull_tail failed.\n");
- dev_kfree_skb_any(skb);
- return -EFAULT;
+ if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
+ switch (adapter->hw.mac_type) {
+ unsigned int pull_size;
+ case e1000_82571:
+ case e1000_82572:
+ case e1000_82573:
+ pull_size = min((unsigned int)4, skb->data_len);
+ if (!__pskb_pull_tail(skb, pull_size)) {
+ printk(KERN_ERR
+ "__pskb_pull_tail failed.\n");
+ dev_kfree_skb_any(skb);
+ return -EFAULT;
+ }
+ len = skb->len - skb->data_len;
+ break;
+ default:
+ /* do nothing */
+ break;
}
- len = skb->len - skb->data_len;
}
}