Commit 815c5270 authored by Nikolay Borisov's avatar Nikolay Borisov Committed by David S. Miller

igmp: Namespaceify igmp_max_memberships sysctl knob

Signed-off-by: default avatarNikolay Borisov <kernel@kyup.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1e2a8868
......@@ -38,7 +38,6 @@ static inline struct igmpv3_query *
}
extern int sysctl_igmp_llm_reports;
extern int sysctl_igmp_max_memberships;
extern int sysctl_igmp_max_msf;
extern int sysctl_igmp_qrv;
......
......@@ -108,6 +108,8 @@ struct netns_ipv4 {
int sysctl_tcp_fin_timeout;
unsigned int sysctl_tcp_notsent_lowat;
int sysctl_igmp_max_memberships;
struct ping_group_range ping_group_range;
atomic_t dev_addr_genid;
......
......@@ -107,7 +107,6 @@
#include <linux/seq_file.h>
#endif
#define IP_MAX_MEMBERSHIPS 20
#define IP_MAX_MSF 10
/* IGMP reports for link-local multicast groups are enabled by default */
......@@ -1727,7 +1726,6 @@ static struct in_device *ip_mc_find_dev(struct net *net, struct ip_mreqn *imr)
/*
* Join a socket to a group
*/
int sysctl_igmp_max_memberships __read_mostly = IP_MAX_MEMBERSHIPS;
int sysctl_igmp_max_msf __read_mostly = IP_MAX_MSF;
#ifdef CONFIG_IP_MULTICAST
int sysctl_igmp_qrv __read_mostly = IGMP_QUERY_ROBUSTNESS_VARIABLE;
......@@ -2074,7 +2072,7 @@ int ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr)
count++;
}
err = -ENOBUFS;
if (count >= sysctl_igmp_max_memberships)
if (count >= net->ipv4.sysctl_igmp_max_memberships)
goto done;
iml = sock_kmalloc(sk, sizeof(*iml), GFP_KERNEL);
if (!iml)
......
......@@ -367,13 +367,6 @@ static struct ctl_table ipv4_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec
},
{
.procname = "igmp_max_memberships",
.data = &sysctl_igmp_max_memberships,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec
},
{
.procname = "igmp_max_msf",
.data = &sysctl_igmp_max_msf,
......@@ -871,6 +864,13 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec
},
{
.procname = "igmp_max_memberships",
.data = &init_net.ipv4.sysctl_igmp_max_memberships,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec
},
{
.procname = "tcp_keepalive_time",
.data = &init_net.ipv4.sysctl_tcp_keepalive_time,
......
......@@ -2399,6 +2399,8 @@ static int __net_init tcp_sk_init(struct net *net)
net->ipv4.sysctl_tcp_fin_timeout = TCP_FIN_TIMEOUT;
net->ipv4.sysctl_tcp_notsent_lowat = UINT_MAX;
net->ipv4.sysctl_igmp_max_memberships = 20;
return 0;
fail:
tcp_sk_exit(net);
......
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