netdev - [PATCH] net: Do not wrap sysctl igmp_max_memberships in IP

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Date:	Tue, 12 Apr 2011 11:49:34 +0200
From:	Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>
To:	netdev@...r.kernel.org
Cc:	Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>
Subject: [PATCH] net: Do not wrap sysctl igmp_max_memberships in IP_MULTICAST

controlling igmp_max_membership is useful even when IP_MULTICAST
is off.
Quagga(an OSPF deamon) uses multicast addresses for all interfaces
using a single socket and hits igmp_max_membership limit when
there are 20 interfaces or more.
Always export sysctl igmp_max_memberships in proc, just like
igmp_max_msf

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>
---
 net/ipv4/sysctl_net_ipv4.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index d96c1da..9cc2824 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -306,7 +306,6 @@ static struct ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_do_large_bitmap,
 	},
-#ifdef CONFIG_IP_MULTICAST
 	{
 		.procname	= "igmp_max_memberships",
 		.data		= &sysctl_igmp_max_memberships,
@@ -314,8 +313,6 @@ static struct ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec
 	},
-
-#endif
 	{
 		.procname	= "igmp_max_msf",
 		.data		= &sysctl_igmp_max_msf,
-- 
1.7.3.4

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