Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0a9f2a467d8dacaf7e97469dba99ed2d07287d80
Commit: 0a9f2a467d8dacaf7e97469dba99ed2d07287d80
Parent: 063ed369c97f8de4cce23bf93bebd7ffacb542ff
Author: Ilpo Järvinen <[EMAIL PROTECTED]>
AuthorDate: Sun Jul 15 00:19:29 2007 -0700
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Sun Jul 15 00:19:29 2007 -0700
[TCP]: Verify the presence of RETRANS bit when leaving FRTO
For yet unknown reason, something cleared SACKED_RETRANS bit
underneath FRTO.
Signed-off-by: Ilpo Järvinen <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
net/ipv4/tcp_input.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 69f9f1e..4e5884a 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1398,7 +1398,9 @@ static void tcp_enter_frto_loss(struct sock *sk, int
allowed_segments, int flag)
* waiting for the first ACK and did not get it)...
*/
if ((tp->frto_counter == 1) && !(flag&FLAG_DATA_ACKED)) {
- tp->retrans_out += tcp_skb_pcount(skb);
+ /* For some reason this R-bit might get cleared? */
+ if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_RETRANS)
+ tp->retrans_out += tcp_skb_pcount(skb);
/* ...enter this if branch just for the first segment */
flag |= FLAG_DATA_ACKED;
} else {
-
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