[TCP]: Add tcp_for_write_queue_from_safe and use it in mtu_probe

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen
2007-12-02 00:48:02 +02:00
committed by David S. Miller
parent d67c58e9ae
commit 234b686070
2 changed files with 9 additions and 4 deletions

View File

@@ -1229,6 +1229,11 @@ static inline struct sk_buff *tcp_write_queue_next(struct sock *sk, struct sk_bu
for (; (skb != (struct sk_buff *)&(sk)->sk_write_queue);\
skb = skb->next)
#define tcp_for_write_queue_from_safe(skb, tmp, sk) \
for (tmp = skb->next; \
(skb != (struct sk_buff *)&(sk)->sk_write_queue); \
skb = tmp, tmp = skb->next)
static inline struct sk_buff *tcp_send_head(struct sock *sk)
{
return sk->sk_send_head;