igmp: Document sysctl_igmp_max_msf

Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 3 deletions

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index d3768e8dfab6..b183e2b606c8 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -946,10 +946,15 @@ igmp_max_memberships - INTEGER
         The value 5459 assumes no IP header options, so in practice
         this number may be lower.
 
+igmp_max_msf - INTEGER
+        Maximum number of addresses allowed in the source filter list for a
+        multicast group.
+        Default: 10
+
 igmp_qrv - INTEGER
-         Controls the IGMP query robustness variable (see RFC2236 8.1).
-         Default: 2 (as specified by RFC2236 8.1)
-         Minimum: 1 (as specified by RFC6636 4.5)
+        Controls the IGMP query robustness variable (see RFC2236 8.1).
+        Default: 2 (as specified by RFC2236 8.1)
+        Minimum: 1 (as specified by RFC6636 4.5)
 
 conf/interface/*  changes special settings per interface (where
 "interface" is the name of your network interface)