diff options
| author | Mark Brown <broonie@kernel.org> | 2019-06-26 12:39:34 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-06-26 12:39:34 +0100 |
| commit | 53c8b29abe42e5601cfa0ea5962532f0cfdec8a0 (patch) | |
| tree | cad53f42ce7a03c39a984bcdbcc42cd47f1af6f9 /Documentation/networking/ip-sysctl.txt | |
| parent | e3303268f9cfa4eb7c2217df471417d4327109fd (diff) | |
| parent | 4b972a01a7da614b4796475f933094751a295a2f (diff) | |
Merge tag 'v5.2-rc6' into asoc-5.3
Linux 5.2-rc6
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 725b8bea58a7..22f6b8b1110a 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -255,6 +255,14 @@ tcp_base_mss - INTEGER Path MTU discovery (MTU probing). If MTU probing is enabled, this is the initial MSS used by the connection. +tcp_min_snd_mss - INTEGER + TCP SYN and SYNACK messages usually advertise an ADVMSS option, + as described in RFC 1122 and RFC 6691. + If this ADVMSS option is smaller than tcp_min_snd_mss, + it is silently capped to tcp_min_snd_mss. + + Default : 48 (at least 8 bytes of payload per segment) + tcp_congestion_control - STRING Set the congestion control algorithm to be used for new connections. The algorithm "reno" is always available, but @@ -560,10 +568,10 @@ 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. + Max number of SACK that can be compressed. Using 0 disables SACK compression. - Detault : 44 + Default : 44 tcp_slow_start_after_idle - BOOLEAN If set, provide RFC2861 behavior and time out the congestion @@ -772,6 +780,14 @@ tcp_challenge_ack_limit - INTEGER in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks) Default: 100 +tcp_rx_skb_cache - BOOLEAN + Controls a per TCP socket cache of one skb, that might help + performance of some workloads. This might be dangerous + on systems with a lot of TCP sockets, since it increases + memory usage. + + Default: 0 (disabled) + UDP variables: udp_l3mdev_accept - BOOLEAN |