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[SK_BUFF]: Introduce ip_hdr(), remove skb->nh.iph

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Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-04-20 22:47:35 -07:00
committed by David S. Miller
parent e023dd6437
commit eddc9ec53b
132 changed files with 565 additions and 564 deletions
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6
drivers/net/loopback.c
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@@ -75,7 +75,7 @@ static DEFINE_PER_CPU(struct pcpu_lstats, pcpu_lstats);
#ifdef LOOPBACK_TSO
static void emulate_large_send_offload(struct sk_buff *skb)
{
struct iphdr *iph = skb->nh.iph;
struct iphdr *iph = ip_hdr(skb);
struct tcphdr *th = (struct tcphdr *)(skb_network_header(skb) +
(iph->ihl * 4));
unsigned int doffset = (iph->ihl + th->doff) * 4;
@@ -93,7 +93,7 @@ static void emulate_large_send_offload(struct sk_buff *skb)
skb_reserve(nskb, 32);
skb_set_mac_header(nskb, -ETH_HLEN);
skb_reset_network_header(nskb);
iph = nskb->nh.iph;
iph = ip_hdr(nskb);
memcpy(nskb->data, skb_network_header(skb), doffset);
if (skb_copy_bits(skb,
doffset + offset,
@@ -145,7 +145,7 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev)
#ifdef LOOPBACK_TSO
if (skb_is_gso(skb)) {
BUG_ON(skb->protocol != htons(ETH_P_IP));
BUG_ON(skb->nh.iph->protocol != IPPROTO_TCP);
BUG_ON(ip_hdr(skb)->protocol != IPPROTO_TCP);
emulate_large_send_offload(skb);
return 0;