summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/net/ip6_fib.h2
-rw-r--r--include/net/ip6_route.h3
-rw-r--r--net/ipv4/inetpeer.c2
-rw-r--r--net/ipv6/route.c18
4 files changed, 25 insertions, 0 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 062a823d311c..708ff7cb8806 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -21,6 +21,7 @@
#include <net/dst.h>
#include <net/flow.h>
#include <net/netlink.h>
+#include <net/inetpeer.h>
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
#define FIB6_TABLE_HASHSZ 256
@@ -109,6 +110,7 @@ struct rt6_info {
u32 rt6i_metric;
struct inet6_dev *rt6i_idev;
+ struct inet_peer *rt6i_peer;
#ifdef CONFIG_XFRM
u32 rt6i_flow_cache_genid;
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 278312c95f96..23fed28db4bb 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -56,6 +56,9 @@ static inline unsigned int rt6_flags2srcprefs(int flags)
return (flags >> 3) & 7;
}
+extern void rt6_bind_peer(struct rt6_info *rt,
+ int create);
+
extern void ip6_route_input(struct sk_buff *skb);
extern struct dst_entry * ip6_route_output(struct net *net,
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index 1c1335b0d401..f95b89f3916d 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -532,6 +532,7 @@ static int compute_total(void)
{
return v4_peers.total + v6_peers.total;
}
+EXPORT_SYMBOL_GPL(inet_getpeer);
/* Called with local BH disabled. */
static void peer_check_expire(unsigned long dummy)
@@ -577,3 +578,4 @@ void inet_putpeer(struct inet_peer *p)
local_bh_enable();
}
+EXPORT_SYMBOL_GPL(inet_putpeer);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index a0c4ad109c63..026caef0326c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -188,11 +188,29 @@ static void ip6_dst_destroy(struct dst_entry *dst)
{
struct rt6_info *rt = (struct rt6_info *)dst;
struct inet6_dev *idev = rt->rt6i_idev;
+ struct inet_peer *peer = rt->rt6i_peer;
if (idev != NULL) {
rt->rt6i_idev = NULL;
in6_dev_put(idev);
}
+ if (peer) {
+ BUG_ON(!(rt->rt6i_flags & RTF_CACHE));
+ rt->rt6i_peer = NULL;
+ inet_putpeer(peer);
+ }
+}
+
+void rt6_bind_peer(struct rt6_info *rt, int create)
+{
+ struct inet_peer *peer;
+
+ if (WARN_ON(!(rt->rt6i_flags & RTF_CACHE)))
+ return;
+
+ peer = inet_getpeer_v6(&rt->rt6i_dst.addr, create);
+ if (peer && cmpxchg(&rt->rt6i_peer, NULL, peer) != NULL)
+ inet_putpeer(peer);
}
static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,