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-rw-r--r--net/ipv4/route.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 4f11faa5c82..b2ba5581d2a 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1990,8 +1990,13 @@ static int __mkroute_input(struct sk_buff *skb,
if (skb->protocol != htons(ETH_P_IP)) {
/* Not IP (i.e. ARP). Do not create route, if it is
* invalid for proxy arp. DNAT routes are always valid.
+ *
+ * Proxy arp feature have been extended to allow, ARP
+ * replies back to the same interface, to support
+ * Private VLAN switch technologies. See arp.c.
*/
- if (out_dev == in_dev) {
+ if (out_dev == in_dev &&
+ IN_DEV_PROXY_ARP_PVLAN(in_dev) == 0) {
err = -EINVAL;
goto cleanup;
}
@@ -3329,7 +3334,7 @@ static __net_initdata struct pernet_operations rt_secret_timer_ops = {
#ifdef CONFIG_NET_CLS_ROUTE
-struct ip_rt_acct *ip_rt_acct __read_mostly;
+struct ip_rt_acct __percpu *ip_rt_acct __read_mostly;
#endif /* CONFIG_NET_CLS_ROUTE */
static __initdata unsigned long rhash_entries;