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| author | Eric Dumazet <edumazet@google.com> | 2012-07-20 05:02:33 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-07-20 10:59:41 -0700 |
| commit | 9dc274151a548ffd215caecec5a8872db8799447 (patch) | |
| tree | 13b7199958243d28c43ea3ecdeca254edc2d7245 /include/linux/tcp.h | |
| parent | 5815d5e7aae3cc9c5e85af83094d4d6498c3f4fc (diff) | |
| download | lwn-9dc274151a548ffd215caecec5a8872db8799447.tar.gz lwn-9dc274151a548ffd215caecec5a8872db8799447.zip | |
tcp: fix ABC in tcp_slow_start()
When/if sysctl_tcp_abc > 1, we expect to increase cwnd by 2 if the
received ACK acknowledges more than 2*MSS bytes, in tcp_slow_start()
Problem is this RFC 3465 statement is not correctly coded, as
the while () loop increases snd_cwnd one by one.
Add a new variable to avoid this off-by one error.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Nandita Dukkipati <nanditad@google.com>
Cc: John Heffner <johnwheffner@gmail.com>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/tcp.h')
0 files changed, 0 insertions, 0 deletions