netns: move net->ipv4.rt_genid to net->rt_genid
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>
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index ae1cd6c..fd87963 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -102,6 +102,7 @@
#endif
struct netns_ipvs *ipvs;
struct sock *diag_nlsk;
+ atomic_t rt_genid;
};
@@ -300,5 +301,14 @@
}
#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 */
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 1474dd6..eb24dbc 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -65,7 +65,6 @@
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
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index be27cfa9..fd9af60 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -202,11 +202,6 @@
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 @@
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_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;