vxlan: add ipv6 proxy support

This patch adds the IPv6 version of "arp_reduce", ndisc_send_na()
will be needed.

Cc: David S. Miller <davem@davemloft.net>
Cc: David Stevens <dlstevens@us.ibm.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 9 insertions, 0 deletions

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index bcf957341b62..fb314de2b61b 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -153,6 +153,10 @@ struct ipv6_stub {
         int (*ipv6_dst_lookup)(struct sock *sk, struct dst_entry **dst,
                                 struct flowi6 *fl6);
         void (*udpv6_encap_enable)(void);
+        void (*ndisc_send_na)(struct net_device *dev, struct neighbour *neigh,
+                              const struct in6_addr *daddr,
+                              const struct in6_addr *solicited_addr,
+                              bool router, bool solicited, bool override, bool inc_opt);
         struct neigh_table *nd_tbl;
 };
 extern const struct ipv6_stub *ipv6_stub __read_mostly;
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 6fea32340ae8..3c4211f0bed6 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -204,6 +204,11 @@ extern void			ndisc_send_ns(struct net_device *dev,
 extern void                     ndisc_send_rs(struct net_device *dev,
                                               const struct in6_addr *saddr,
                                               const struct in6_addr *daddr);
+extern void                     ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
+                                              const struct in6_addr *daddr,
+                                              const struct in6_addr *solicited_addr,
+                                              bool router, bool solicited, bool override,
+                                              bool inc_opt);
 
 extern void                     ndisc_send_redirect(struct sk_buff *skb,
                                                     const struct in6_addr *target);