The reordering detection must work also when FRTO has not been
used at all which was the original intention of mine, just the
expression of the idea was flawed.
Signed-off-by: Ilpo Järvinen <[EMAIL PROTECTED]>
---
Applies on the top of tcp-2.6 branch as you would probably have
guessed.
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index bb3f234..f6ba07f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1240,7 +1240,7 @@ tcp_sacktag_write_queue(struct sock *sk,
tp->left_out = tp->sacked_out + tp->lost_out;
if ((reord < tp->fackets_out) && icsk->icsk_ca_state != TCP_CA_Loss &&
- (tp->frto_highmark && after(tp->snd_una, tp->frto_highmark)))
+ (!tp->frto_highmark || after(tp->snd_una, tp->frto_highmark)))
tcp_update_reordering(sk, ((tp->fackets_out + 1) - reord), 0);
#if FASTRETRANS_DEBUG > 0
--
1.4.2
