From: Vincent Bernat <vincent@bernat.im>
Date: Fri, 10 Mar 2017 15:30:24 +0000 (+0100)
Subject: vxlan: use appropriate family on L3 miss
X-Git-Tag: v4.12-rc1~108^2~449
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8f48ba71ede12231d5d63fdd34bd8ce7908a3377;p=karo-tx-linux.git

vxlan: use appropriate family on L3 miss

When sending a L3 miss, the family is set to AF_INET even for IPv6. This
causes userland (eg "ip monitor") to be confused. Ensure we send the
appropriate family in this case. For L2 miss, keep using AF_INET.

Signed-off-by: Vincent Bernat <vincent@bernat.im>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index e375560cc74e..168257aa8ace 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -276,9 +276,9 @@ static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan,
 	send_eth = send_ip = true;
 
 	if (type == RTM_GETNEIGH) {
-		ndm->ndm_family	= AF_INET;
 		send_ip = !vxlan_addr_any(&rdst->remote_ip);
 		send_eth = !is_zero_ether_addr(fdb->eth_addr);
+		ndm->ndm_family = send_ip ? rdst->remote_ip.sa.sa_family : AF_INET;
 	} else
 		ndm->ndm_family	= AF_BRIDGE;
 	ndm->ndm_state = fdb->state;