From e2d00e62f24b907d49b83802ae91a6fa6254a48c Mon Sep 17 00:00:00 2001 From: Lorenzo Colitti Date: Mon, 29 Oct 2018 09:30:29 +0900 Subject: [PATCH] Documentation: ip-sysctl.txt: Document tcp_fwmark_accept This patch documents the tcp_fwmark_accept sysctl that was added in 3.15. Signed-off-by: Lorenzo Colitti Signed-off-by: David S. Miller --- 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 163b5ff1073c..32b21571adfe 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 -- 2.30.2