tree 65aba1ad44fb5519a0a043b7a97d76242b4d663f
parent 7c46a03e67d11d917d6c3dbf501b465b2ca97a6f
author Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> 1190313278 -0700
committer David S. Miller <davem@sunset.davemloft.net> 1192060331 -0700

[TCP] FRTO: Improve interoperability with other undo_marker users

Basically this change enables it, previously other undo_marker
users were left with nothing. Reverse undo_marker logic
completely to get it set right in CA_Loss. On the other hand,
when spurious RTO is detected, clear it. Clearing might be too
heavy for some scenarios but seems safe enough starting point
for now and shouldn't have much effect except in majority of
cases (if in any).

By adding a new FLAG_ we avoid looping through write_queue when
RTO occurs.

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