* [PATCH net] tcp: fix tcp_rmem documentation
@ 2021-02-10 17:13 Eric Dumazet
2021-02-11 22:20 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Eric Dumazet @ 2021-02-10 17:13 UTC (permalink / raw)
To: David S . Miller, Jakub Kicinski
Cc: netdev, Eric Dumazet, Eric Dumazet, Zhibin Liu, Yuchung Cheng
From: Eric Dumazet <edumazet@google.com>
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>
---
Documentation/networking/ip-sysctl.rst | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 83ff5158005af523f7b7464313a1c7f1f3b3ae05..0b9f19f1b6b5c4985201ede4661b644ec1ef98d7 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -651,16 +651,15 @@ 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).
--
2.30.0.478.g8a0d178c01-goog
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net] tcp: fix tcp_rmem documentation
2021-02-10 17:13 [PATCH net] tcp: fix tcp_rmem documentation Eric Dumazet
@ 2021-02-11 22:20 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-02-11 22:20 UTC (permalink / raw)
To: Eric Dumazet; +Cc: davem, kuba, netdev, edumazet, zhibinliu, ycheng
Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Wed, 10 Feb 2021 09:13:33 -0800 you wrote:
> From: Eric Dumazet <edumazet@google.com>
>
> 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>
>
> [...]
Here is the summary with links:
- [net] tcp: fix tcp_rmem documentation
https://git.kernel.org/netdev/net/c/1d1be91254bb
You are awesome, thank you!
--
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2021-02-11 22:20 ` patchwork-bot+netdevbpf
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