diff options
| author |   Eric Dumazet <edumazet@google.com> | 2021-02-10 09:13:33 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-02-11 14:15:47 -0800 |
| commit | 1d1be91254bbdd189796041561fd430f7553bb88 (patch) | |
| tree | 9d2346752cd4d311473114c1e9756b1e71d59dc7 /Documentation | |
| parent | netdev-FAQ: answer some questions about the patchwork checks (diff) | |
| download | linux-dev-1d1be91254bbdd189796041561fd430f7553bb88.tar.xz linux-dev-1d1be91254bbdd189796041561fd430f7553bb88.zip | |
tcp: fix tcp_rmem documentation
tcp_rmem[1] has been changed to 131072, we should update the documentation
to reflect this.
Fixes: a337531b942b ("tcp: up initial rmem to 128KB and SYN rwin to around 64KB")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Zhibin Liu <zhibinliu@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/networking/ip-sysctl.rst | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst index fa544e9037b9..1b7f8debada6 100644 --- a/Documentation/networking/ip-sysctl.rst +++ b/Documentation/networking/ip-sysctl.rst @@ -630,16 +630,15 @@ tcp_rmem - vector of 3 INTEGERs: min, default, max default: initial size of receive buffer used by TCP sockets. This value overrides net.core.rmem_default used by other protocols. - Default: 87380 bytes. This value results in window of 65535 with - default setting of tcp_adv_win_scale and tcp_app_win:0 and a bit - less for default tcp_app_win. See below about these variables. + Default: 131072 bytes. + This value results in initial window of 65535. max: maximal size of receive buffer allowed for automatically selected receiver buffers for TCP socket. This value does not override net.core.rmem_max. Calling setsockopt() with SO_RCVBUF disables automatic tuning of that socket's receive buffer size, in which case this value is ignored. - Default: between 87380B and 6MB, depending on RAM size. + Default: between 131072 and 6MB, depending on RAM size. tcp_sack - BOOLEAN Enable select acknowledgments (SACKS). |