[PATCH net] Documentation: ip-sysctl.txt: Document tcp_fwmark_accept
From: Lorenzo Colitti <hidden>
Date: 2018-10-29 09:16:53
This patch documents the tcp_fwmark_accept sysctl that was added in 3.15. Signed-off-by: Lorenzo Colitti <redacted> --- Documentation/networking/ip-sysctl.txt | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 163b5ff107..32b21571ad 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt@@ -316,6 +316,17 @@ tcp_frto - INTEGER By default it's enabled with a non-zero value. 0 disables F-RTO. +tcp_fwmark_accept - BOOLEAN + If set, incoming connections to listening sockets that do not have a + socket mark will set the mark of the accepting socket to the fwmark of + the incoming SYN packet. This will cause all packets on that connection + (starting from the first SYNACK) to be sent with that fwmark. The + listening socket's mark is unchanged. Listening sockets that already + have a fwmark set via setsockopt(SOL_SOCKET, SO_MARK, ...) are + unaffected. + + Default: 0 + tcp_invalid_ratelimit - INTEGER Limit the maximal rate for sending duplicate acknowledgments in response to incoming TCP packets that are for an existing
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2.19.1.568.g152ad8e336-goog