shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-04 02:02:28 +09:00
Code Issues Packages Projects Releases Wiki Activity

tcp: fixing TLP's FIN recovery

Browse Source 
[ Upstream commit bef1909ee3 ]

Fix to a problem observed when losing a FIN segment that does not
contain data.  In such situations, TLP is unable to recover from
*any* tail loss and instead adds at least PTO ms to the
retransmission process, i.e., RTO = RTO + PTO.

Signed-off-by: Per Hurtig <per.hurtig@kau.se>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Nandita Dukkipati <nanditad@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Per Hurtig
2014-06-12 17:08:32 +02:00
committed by Greg Kroah-Hartman
parent 2d435f096d
commit dc5a170002
1 changed files with 1 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
net/ipv4/tcp_output.c
View File

@@ -2036,9 +2036,7 @@ void tcp_send_loss_probe(struct sock *sk)
if (WARN_ON(!skb || !tcp_skb_pcount(skb)))
goto rearm_timer;
/* Probe with zero data doesn't trigger fast recovery. */
if (skb->len > 0)
err = __tcp_retransmit_skb(sk, skb);
err = __tcp_retransmit_skb(sk, skb);
/* Record snd_nxt for loss detection. */
if (likely(!err))