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netns: move net->ipv4.rt_genid to net->rt_genid

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This commit prepares the use of rt_genid by both IPv4 and IPv6.
Initialization is left in IPv4 part.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2012-09-10 22:09:44 +00:00 committed by David S. Miller
parent 2885da7296
commit b42664f898
3 changed files with 12 additions and 8 deletions
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10
include/net/net_namespace.h
View File

@ -102,6 +102,7 @@ struct net {
#endif
struct netns_ipvs *ipvs;
struct sock *diag_nlsk;
atomic_t rt_genid;
};
@ -300,5 +301,14 @@ static inline void unregister_net_sysctl_table(struct ctl_table_header *header)
}
#endif
static inline int rt_genid(struct net *net)
{
return atomic_read(&net->rt_genid);
}
static inline void rt_genid_bump(struct net *net)
{
atomic_inc(&net->rt_genid);
}
#endif /* __NET_NET_NAMESPACE_H */

1
include/net/netns/ipv4.h
View File

@ -65,7 +65,6 @@ struct netns_ipv4 {
unsigned int sysctl_ping_group_range[2];
long sysctl_tcp_mem[3];
atomic_t rt_genid;
atomic_t dev_addr_genid;
#ifdef CONFIG_IP_MROUTE

9
net/ipv4/route.c
View File

@ -202,11 +202,6 @@ EXPORT_SYMBOL(ip_tos2prio);
static DEFINE_PER_CPU(struct rt_cache_stat, rt_cache_stat);
#define RT_CACHE_STAT_INC(field) __this_cpu_inc(rt_cache_stat.field)
static inline int rt_genid(struct net *net)
{
return atomic_read(&net->ipv4.rt_genid);
}
#ifdef CONFIG_PROC_FS
static void *rt_cache_seq_start(struct seq_file *seq, loff_t *pos)
{
@ -449,7 +444,7 @@ static inline bool rt_is_expired(const struct rtable *rth)
void rt_cache_flush(struct net *net)
{
atomic_inc(&net->ipv4.rt_genid);
rt_genid_bump(net);
}
static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst,
@ -2506,7 +2501,7 @@ static __net_initdata struct pernet_operations sysctl_route_ops = {
static __net_init int rt_genid_init(struct net *net)
{
atomic_set(&net->ipv4.rt_genid, 0);
atomic_set(&net->rt_genid, 0);
get_random_bytes(&net->ipv4.dev_addr_genid,
sizeof(net->ipv4.dev_addr_genid));
return 0;