diff options
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 33 |
1 files changed, 9 insertions, 24 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index d46f2143305..672854664ff 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -850,15 +850,15 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it, BUG_ON(!skb || !tcp_skb_pcount(skb)); - /* If congestion control is doing timestamping, we must - * take such a timestamp before we potentially clone/copy. - */ - if (icsk->icsk_ca_ops->flags & TCP_CONG_RTT_STAMP) - __net_timestamp(skb); - - if (likely(clone_it)) { + if (clone_it) { const struct sk_buff *fclone = skb + 1; + /* If congestion control is doing timestamping, we must + * take such a timestamp before we potentially clone/copy. + */ + if (icsk->icsk_ca_ops->flags & TCP_CONG_RTT_STAMP) + __net_timestamp(skb); + if (unlikely(skb->fclone == SKB_FCLONE_ORIG && fclone->fclone == SKB_FCLONE_CLONE)) NET_INC_STATS_BH(sock_net(sk), @@ -2353,21 +2353,6 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) tcp_retrans_try_collapse(sk, skb, cur_mss); - /* Some Solaris stacks overoptimize and ignore the FIN on a - * retransmit when old data is attached. So strip it off - * since it is cheap to do so and saves bytes on the network. - */ - if (skb->len > 0 && - (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN) && - tp->snd_una == (TCP_SKB_CB(skb)->end_seq - 1)) { - if (!pskb_trim(skb, 0)) { - /* Reuse, even though it does some unnecessary work */ - tcp_init_nondata_skb(skb, TCP_SKB_CB(skb)->end_seq - 1, - TCP_SKB_CB(skb)->tcp_flags); - skb->ip_summed = CHECKSUM_NONE; - } - } - /* Make a copy, if the first transmission SKB clone we made * is still in somebody's hands, else make a clone. */ @@ -2736,8 +2721,8 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst, th->syn = 1; th->ack = 1; TCP_ECN_make_synack(req, th); - th->source = ireq->loc_port; - th->dest = ireq->rmt_port; + th->source = htons(ireq->ir_num); + th->dest = ireq->ir_rmt_port; /* Setting of flags are superfluous here for callers (and ECE is * not even correctly set) */ |