diff options
| author |   Yuchung Cheng <ycheng@google.com> | 2018-05-16 16:40:11 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-05-17 15:41:28 -0400 |
| commit | b38a51fec1c1f693f03b1aa19d0622123634d4b7 (patch) | |
| tree | 2dfede58dae59faf7da205143e3e00e1833e4bc7 /Documentation/networking/ip-sysctl.txt | |
| parent | tcp: support DUPACK threshold in RACK (diff) | |
| download | linux-dev-b38a51fec1c1f693f03b1aa19d0622123634d4b7.tar.xz linux-dev-b38a51fec1c1f693f03b1aa19d0622123634d4b7.zip | |
tcp: disable RFC6675 loss detection
This patch disables RFC6675 loss detection and make sysctl
net.ipv4.tcp_recovery = 1 controls a binary choice between RACK
(1) or RFC6675 (0).
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Soheil Hassas Yeganeh <soheil@google.com>
Reviewed-by: Priyaranjan Jha <priyarjha@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 13bbac50dc8b..ea304a23c8d7 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -449,7 +449,8 @@ tcp_recovery - INTEGER features. RACK: 0x1 enables the RACK loss detection for fast detection of lost - retransmissions and tail drops. + retransmissions and tail drops. It also subsumes and disables + RFC6675 recovery for SACK connections. RACK: 0x2 makes RACK's reordering window static (min_rtt/4). RACK: 0x4 disables RACK's DUPACK threshold heuristic |