Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3de96471bd7fb76406e975ef6387abe3a0698149 Commit: 3de96471bd7fb76406e975ef6387abe3a0698149 Parent: 0e835331e3111e5a92eb3a852405ea71ca8fff97 Author: Ilpo Järvinen <[EMAIL PROTECTED]> AuthorDate: Mon Oct 1 15:28:48 2007 -0700 Committer: David S. Miller <[EMAIL PROTECTED]> CommitDate: Wed Oct 10 16:54:00 2007 -0700
[TCP]: Wrap-safed reordering detection FRTO check In case somebody has a suggestion about a better place for this check, which must guarantee execution "early enough" (i.e, before the wrap can occur), I'm very open to them. Signed-off-by: Ilpo Järvinen <[EMAIL PROTECTED]> Signed-off-by: David S. Miller <[EMAIL PROTECTED]> --- net/ipv4/tcp_input.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index c1339d8..7c1a92f 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3027,6 +3027,9 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag) /* See if we can take anything off of the retransmit queue. */ flag |= tcp_clean_rtx_queue(sk, &seq_rtt); + /* Guarantee sacktag reordering detection against wrap-arounds */ + if (before(tp->frto_highmark, tp->snd_una)) + tp->frto_highmark = 0; if (tp->frto_counter) frto_cwnd = tcp_process_frto(sk, flag); - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html