diff options
| author | Yuchung Cheng <ycheng@google.com> | 2017-01-13 07:11:39 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-14 04:37:16 +0100 |
| commit | bec41a11dd3dc8c54f766b4f494140ca92ba7c10 (patch) | |
| tree | 62a888654cc55636c2ab85adf331db2361aae118 /net/ipv6 | |
| parent | tcp: remove forward retransmit feature (diff) | |
| download | linux-bec41a11dd3dc8c54f766b4f494140ca92ba7c10.tar.xz linux-bec41a11dd3dc8c54f766b4f494140ca92ba7c10.zip | |
tcp: remove early retransmit
This patch removes the support of RFC5827 early retransmit (i.e.,
fast recovery on small inflight with <3 dupacks) because it is
subsumed by the new RACK loss detection. More specifically when
RACK receives DUPACKs, it'll arm a reordering timer to start fast
recovery after a quarter of (min)RTT, hence it covers the early
retransmit except RACK does not limit itself to specific inflight
or dupack numbers.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index f52c3742b404..fc14e04028bf 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1745,7 +1745,6 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i) srcp = ntohs(inet->inet_sport); if (icsk->icsk_pending == ICSK_TIME_RETRANS || - icsk->icsk_pending == ICSK_TIME_EARLY_RETRANS || icsk->icsk_pending == ICSK_TIME_REO_TIMEOUT || icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) { timer_active = 1; |