tcp: back retransmit_high when it over-estimated
authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>
Sun, 21 Sep 2008 04:26:22 +0000 (21:26 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sun, 21 Sep 2008 04:26:22 +0000 (21:26 -0700)
commit618d9f25548ba6fc3a9cd2ce5cd56f4f015b0635
treef04a91ec4aac1fc4bcb0b8204a8ff64c3844e6de
parent90638a04ad8484b6b6c567656fb3f6d0689e23da
tcp: back retransmit_high when it over-estimated

If lost skb is sacked, we might have nothing to retransmit
as high as the retransmit_high is pointing to, so place
it lower to avoid unnecessary walking.

This is mainly for the case where high L'ed skbs gets sacked.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_output.c