From: Hangbin Liu Date: Mon, 20 Feb 2017 08:31:38 +0000 (+0800) Subject: ipvs: Document sysctl pmtu_disc X-Git-Tag: MMI-PSA29.97-13-9~5649^3~415^2~2 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3c679cba588a46ba81a264673e192bbd3c92455b;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git ipvs: Document sysctl pmtu_disc Document sysctl pmtu_disc based on commit 3654e61137db ("ipvs: add pmtu_disc option to disable IP DF for TUN packets"). Signed-off-by: Hangbin Liu Signed-off-by: Simon Horman --- diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt index a6feecd467cd..056898685d40 100644 --- a/Documentation/networking/ipvs-sysctl.txt +++ b/Documentation/networking/ipvs-sysctl.txt @@ -175,6 +175,14 @@ nat_icmp_send - BOOLEAN for VS/NAT when the load balancer receives packets from real servers but the connection entries don't exist. +pmtu_disc - BOOLEAN + 0 - disabled + not 0 - enabled (default) + + By default, reject with FRAG_NEEDED all DF packets that exceed + the PMTU, irrespective of the forwarding method. For TUN method + the flag can be disabled to fragment such packets. + secure_tcp - INTEGER 0 - disabled (default)