ipvs: Allow heterogeneous pools now that we support them

Remove the temporary consistency check and add a case statement to only
allow ipip mixed dests.

Signed-off-by: Alex Gartrell <agartrell@fb.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>

1 files changed, 20 insertions, 4 deletions

diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 462760eded94..ac7ba689efe7 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -854,10 +854,6 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest,
 
         EnterFunction(2);
 
-        /* Temporary for consistency */
-        if (udest->af != svc->af)
-                return -EINVAL;
-
 #ifdef CONFIG_IP_VS_IPV6
         if (udest->af == AF_INET6) {
                 atype = ipv6_addr_type(&udest->addr.in6);
@@ -3403,6 +3399,26 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
                  */
                 if (udest.af == 0)
                         udest.af = svc->af;
+
+                if (udest.af != svc->af) {
+                        /* The synchronization protocol is incompatible
+                         * with mixed family services
+                         */
+                        if (net_ipvs(net)->sync_state) {
+                                ret = -EINVAL;
+                                goto out;
+                        }
+
+                        /* Which connection types do we support? */
+                        switch (udest.conn_flags) {
+                        case IP_VS_CONN_F_TUNNEL:
+                                /* We are able to forward this */
+                                break;
+                        default:
+                                ret = -EINVAL;
+                                goto out;
+                        }
+                }
         }
 
         switch (cmd) {