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[NETNS][IPV6]: Make icmpv6_time sysctl per namespace.

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This patch moves the icmpv6_time sysctl to the network namespace
structure.

Because the ipv6 protocol is not yet per namespace, the variable is
accessed relatively to the initial network namespace.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Lezcano 2008-01-10 03:02:40 -08:00 committed by David S. Miller
parent 4990509f19
commit 41a76906b3
4 changed files with 5 additions and 4 deletions
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1
include/net/netns/ipv6.h
View File

@ -23,6 +23,7 @@ struct netns_sysctl_ipv6 {
int ip6_rt_gc_elasticity;
int ip6_rt_mtu_expires;
int ip6_rt_min_advmss;
int icmpv6_time;
};
struct netns_ipv6 {

1
net/ipv6/af_inet6.c
View File

@ -734,6 +734,7 @@ static int inet6_net_init(struct net *net)
net->ipv6.sysctl.ip6_rt_gc_elasticity = 9;
net->ipv6.sysctl.ip6_rt_mtu_expires = 10*60*HZ;
net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40;
net->ipv6.sysctl.icmpv6_time = 1*HZ;
ipv6_frag_sysctl_init(net);
return 0;

6
net/ipv6/icmp.c
View File

@ -154,8 +154,6 @@ static int is_ineligible(struct sk_buff *skb)
return 0;
}
static int sysctl_icmpv6_time __read_mostly = 1*HZ;
/*
* Check the ICMP output rate limit
*/
@ -186,7 +184,7 @@ static inline int icmpv6_xrlim_allow(struct sock *sk, int type,
res = 1;
} else {
struct rt6_info *rt = (struct rt6_info *)dst;
int tmo = sysctl_icmpv6_time;
int tmo = init_net.ipv6.sysctl.icmpv6_time;
/* Give more bandwidth to wider prefixes. */
if (rt->rt6i_dst.plen < 128)
@ -911,7 +909,7 @@ ctl_table ipv6_icmp_table_template[] = {
{
.ctl_name = NET_IPV6_ICMP_RATELIMIT,
.procname = "ratelimit",
.data = &sysctl_icmpv6_time,
.data = &init_net.ipv6.sysctl.icmpv6_time,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec

1
net/ipv6/sysctl_net_ipv6.c
View File

@ -125,6 +125,7 @@ static int ipv6_sysctl_net_init(struct net *net)
ipv6_route_table[8].data = &net->ipv6.sysctl.ip6_rt_min_advmss;
ipv6_table[0].child = ipv6_route_table;
ipv6_icmp_table[0].data = &net->ipv6.sysctl.icmpv6_time;
ipv6_table[1].child = ipv6_icmp_table;
ipv6_table[2].data = &net->ipv6.sysctl.bindv6only;