From 237e5722bc615c3440d8476a694448074380fa01 Mon Sep 17 00:00:00 2001 From: Hangbin Liu Date: Mon, 20 Feb 2017 16:31:36 +0800 Subject: [PATCH] ipvs: Document sysctl sync_qlen_max and sync_sock_size Document sysctl sync_qlen_max and sync_sock_size based on commit 1c003b1580e2 ("ipvs: wakeup master thread"). Signed-off-by: Hangbin Liu Signed-off-by: Simon Horman --- Documentation/networking/ipvs-sysctl.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt index 7acaaa65451e..159d70b6dff3 100644 --- a/Documentation/networking/ipvs-sysctl.txt +++ b/Documentation/networking/ipvs-sysctl.txt @@ -217,6 +217,20 @@ sync_retries - INTEGER to protect against loss of sync messages. The range of the sync_retries is from 0 to 3. +sync_qlen_max - UNSIGNED LONG + + Hard limit for queued sync messages that are not sent yet. It + defaults to 1/32 of the memory pages but actually represents + number of messages. It will protect us from allocating large + parts of memory when the sending rate is lower than the queuing + rate. + +sync_sock_size - INTEGER + default 0 + + Configuration of SNDBUF (master) or RCVBUF (slave) socket limit. + Default value is 0 (preserve system defaults). + snat_reroute - BOOLEAN 0 - disabled not 0 - enabled (default)