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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-04-10 21:04:22 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:25:26 -0700
commitaa8223c7bb0b05183e1737881ed21827aa5b9e73 (patch)
tree05c9832326edfeb878472f15cf8133ed9f014cdf /net/ipv4/tcp.c
parentab6a5bb6b28a970104a34f0f6959b73cf61bdc72 (diff)
downloadblackbird-op-linux-aa8223c7bb0b05183e1737881ed21827aa5b9e73.tar.gz
blackbird-op-linux-aa8223c7bb0b05183e1737881ed21827aa5b9e73.zip
[SK_BUFF]: Introduce tcp_hdr(), remove skb->h.th
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 689f9330f1b9..f832f3c33ab1 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -425,7 +425,7 @@ int tcp_ioctl(struct sock *sk, int cmd, unsigned long arg)
/* Subtract 1, if FIN is in queue. */
if (answ && !skb_queue_empty(&sk->sk_receive_queue))
answ -=
- ((struct sk_buff *)sk->sk_receive_queue.prev)->h.th->fin;
+ tcp_hdr((struct sk_buff *)sk->sk_receive_queue.prev)->fin;
} else
answ = tp->urg_seq - tp->copied_seq;
release_sock(sk);
@@ -1016,9 +1016,9 @@ static inline struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off)
skb_queue_walk(&sk->sk_receive_queue, skb) {
offset = seq - TCP_SKB_CB(skb)->seq;
- if (skb->h.th->syn)
+ if (tcp_hdr(skb)->syn)
offset--;
- if (offset < skb->len || skb->h.th->fin) {
+ if (offset < skb->len || tcp_hdr(skb)->fin) {
*off = offset;
return skb;
}
@@ -1070,7 +1070,7 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc,
if (offset != skb->len)
break;
}
- if (skb->h.th->fin) {
+ if (tcp_hdr(skb)->fin) {
sk_eat_skb(sk, skb, 0);
++seq;
break;
@@ -1174,11 +1174,11 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
break;
}
offset = *seq - TCP_SKB_CB(skb)->seq;
- if (skb->h.th->syn)
+ if (tcp_hdr(skb)->syn)
offset--;
if (offset < skb->len)
goto found_ok_skb;
- if (skb->h.th->fin)
+ if (tcp_hdr(skb)->fin)
goto found_fin_ok;
BUG_TRAP(flags & MSG_PEEK);
skb = skb->next;
@@ -1394,7 +1394,7 @@ skip_copy:
if (used + offset < skb->len)
continue;
- if (skb->h.th->fin)
+ if (tcp_hdr(skb)->fin)
goto found_fin_ok;
if (!(flags & MSG_PEEK)) {
sk_eat_skb(sk, skb, copied_early);
@@ -1563,7 +1563,7 @@ void tcp_close(struct sock *sk, long timeout)
*/
while ((skb = __skb_dequeue(&sk->sk_receive_queue)) != NULL) {
u32 len = TCP_SKB_CB(skb)->end_seq - TCP_SKB_CB(skb)->seq -
- skb->h.th->fin;
+ tcp_hdr(skb)->fin;
data_was_unread += len;
__kfree_skb(skb);
}
@@ -2170,7 +2170,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features)
if (!pskb_may_pull(skb, sizeof(*th)))
goto out;
- th = skb->h.th;
+ th = tcp_hdr(skb);
thlen = th->doff * 4;
if (thlen < sizeof(*th))
goto out;
@@ -2210,7 +2210,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features)
delta = htonl(oldlen + (thlen + len));
skb = segs;
- th = skb->h.th;
+ th = tcp_hdr(skb);
seq = ntohl(th->seq);
do {
@@ -2224,7 +2224,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features)
seq += len;
skb = skb->next;
- th = skb->h.th;
+ th = tcp_hdr(skb);
th->seq = htonl(seq);
th->cwr = 0;
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