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[TCP]: Move FRTO checks out from write queue abstraction funcs

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Better place exists in update_send_head (other non-queue related
adjustments are done there as well) which is the only caller of
tcp_advance_send_head (now that the bogus call from mtu_probe is
gone).

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 2007-11-26 20:17:38 +08:00 committed by David S. Miller
parent 82d8a867ff
commit 8512430e55
2 changed files with 4 additions and 5 deletions
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5
include/net/tcp.h
View File

@ -1236,14 +1236,9 @@ static inline struct sk_buff *tcp_send_head(struct sock *sk)
static inline void tcp_advance_send_head(struct sock *sk, struct sk_buff *skb)
{
struct tcp_sock *tp = tcp_sk(sk);
sk->sk_send_head = skb->next;
if (sk->sk_send_head == (struct sk_buff *)&sk->sk_write_queue)
sk->sk_send_head = NULL;
/* Don't override Nagle indefinately with F-RTO */
if (tp->frto_counter == 2)
tp->frto_counter = 3;
}
static inline void tcp_check_send_head(struct sock *sk, struct sk_buff *skb_unlinked)

4
net/ipv4/tcp_output.c
View File

@ -80,6 +80,10 @@ static void update_send_head(struct sock *sk, struct sk_buff *skb)
tcp_advance_send_head(sk, skb);
tp->snd_nxt = TCP_SKB_CB(skb)->end_seq;
tcp_packets_out_inc(sk, skb);
/* Don't override Nagle indefinately with F-RTO */
if (tp->frto_counter == 2)
tp->frto_counter = 3;
}
/* SND.NXT, if window was not shrunk.