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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-03-18 17:43:48 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:25:24 -0700
commitab6a5bb6b28a970104a34f0f6959b73cf61bdc72 (patch)
tree54cfa7d4fe00d0c28a60022b075afc0856d6fc2b /drivers/net/netxen
parent88c7664f13bd1a36acb8566b93892a4c58759ac6 (diff)
downloadop-kernel-dev-ab6a5bb6b28a970104a34f0f6959b73cf61bdc72.zip
op-kernel-dev-ab6a5bb6b28a970104a34f0f6959b73cf61bdc72.tar.gz
[TCP]: Introduce tcp_hdrlen() and tcp_optlen()
The ip_hdrlen() buddy, created to reduce the number of skb->h.th-> uses and to avoid the longer, open coded equivalent. Ditched a no-op in bnx2 in the process. I wonder if we should have a BUG_ON(skb->h.th->doff < 5) in tcp_optlen()... Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/netxen')
-rw-r--r--drivers/net/netxen/netxen_nic_hw.c3
-rw-r--r--drivers/net/netxen/netxen_nic_main.c2
2 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 09ca219..0fba8f1 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -374,8 +374,7 @@ void netxen_tso_check(struct netxen_adapter *adapter,
{
if (desc->mss) {
desc->total_hdr_length = (sizeof(struct ethhdr) +
- ip_hdrlen(skb) +
- skb->h.th->doff * 4);
+ ip_hdrlen(skb) + tcp_hdrlen(skb));
netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO);
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
if (ip_hdr(skb)->protocol == IPPROTO_TCP) {
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index b548a30..b488e94 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -779,7 +779,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
if (skb_shinfo(skb)->gso_size > 0) {
no_of_desc++;
- if ((ip_hdrlen(skb) + skb->h.th->doff * 4 +
+ if ((ip_hdrlen(skb) + tcp_hdrlen(skb) +
sizeof(struct ethhdr)) >
(sizeof(struct cmd_desc_type0) - 2)) {
no_of_desc++;
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