This patch documents the tcp_fwmark_accept sysctl that was
added in 3.15.
Signed-off-by: Lorenzo Colitti <lore...@google.com>
---
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
--
2.19.1.568.g152ad8e336-goog
