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authorEric Dumazet <edumazet@google.com>2018-05-17 14:47:29 -0700
committerDavid S. Miller <davem@davemloft.net>2018-05-18 11:40:27 -0400
commit9c21d2fc41c0c8930600c9dd83eadac2e336fcfa (patch)
treed2a2dfb4516b8fb0d8fe13e7c3bfa0eda2064d0d /Documentation/networking/ip-sysctl.txt
parent6d82aa242092d73c6d2e210cfaf0ebfbe6de1ccf (diff)
tcp: add tcp_comp_sack_nr sysctl
This per netns sysctl allows for TCP SACK compression fine-tuning. This limits number of SACK that can be compressed. Using 0 disables SACK compression. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@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.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 7ba952959bca..924bd51327b7 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -532,6 +532,12 @@ tcp_comp_sack_delay_ns - LONG INTEGER
Default : 1,000,000 ns (1 ms)
+tcp_comp_sack_nr - INTEGER
+ Max numer of SACK that can be compressed.
+ Using 0 disables SACK compression.
+
+ Detault : 44
+
tcp_slow_start_after_idle - BOOLEAN
If set, provide RFC2861 behavior and time out the congestion
window after an idle period. An idle period is defined at