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| author | Yuchung Cheng <ycheng@google.com> | 2017-11-08 22:01:26 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-11 10:53:16 +0100 |
| commit | 713bafea92920103cd3d361657406cf04d0e22dd (patch) | |
| tree | 505a887887bb48dc443388b0078ad176ff6edb5b /Documentation/networking/ip-sysctl.txt | |
| parent | fsl/fman_port: mark expected switch fall-throughs (diff) | |
| download | linux-713bafea92920103cd3d361657406cf04d0e22dd.tar.xz linux-713bafea92920103cd3d361657406cf04d0e22dd.zip | |
tcp: retire FACK loss detection
FACK loss detection has been disabled by default and the
successor RACK subsumed FACK and can handle reordering better.
This patch removes FACK to simplify TCP loss recovery.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@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, 1 insertions, 2 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index d8676dda7fa6..46c7e1085efc 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -289,8 +289,7 @@ tcp_ecn_fallback - BOOLEAN Default: 1 (fallback enabled) tcp_fack - BOOLEAN - Enable FACK congestion avoidance and fast retransmission. - The value is not used, if tcp_sack is not enabled. + This is a legacy option, it has no effect anymore. tcp_fin_timeout - INTEGER The length of time an orphaned (no longer referenced by any |