3 files changed, 10 insertions, 4 deletions

diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index f3c0b549b8e1..4614babdc45f 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -221,9 +221,10 @@ static __sum16 nf_ip_checksum_partial(struct sk_buff *skb, unsigned int hook,
         return csum;
 }
 
-static int nf_ip_route(struct dst_entry **dst, struct flowi *fl)
+static int nf_ip_route(struct net *net, struct dst_entry **dst,
+                       struct flowi *fl, bool strict __always_unused)
 {
-        struct rtable *rt = ip_route_output_key(&init_net, &fl->u.ip4);
+        struct rtable *rt = ip_route_output_key(net, &fl->u.ip4);
         if (IS_ERR(rt))
                 return PTR_ERR(rt);
         *dst = &rt->dst;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index ea107515c53e..c1acf69858fd 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1891,6 +1891,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 #ifdef CONFIG_IP_ROUTE_CLASSID
         rth->dst.tclassid = itag;
 #endif
+        rth->rt_route_iif = dev->ifindex;
         rth->rt_iif     = dev->ifindex;
         rth->dst.dev    = init_net.loopback_dev;
         dev_hold(rth->dst.dev);
@@ -2026,6 +2027,7 @@ static int __mkroute_input(struct sk_buff *skb,
         rth->rt_key_src = saddr;
         rth->rt_src     = saddr;
         rth->rt_gateway = daddr;
+        rth->rt_route_iif = in_dev->dev->ifindex;
         rth->rt_iif     = in_dev->dev->ifindex;
         rth->dst.dev    = (out_dev)->dev;
         dev_hold(rth->dst.dev);
@@ -2202,6 +2204,7 @@ local_input:
 #ifdef CONFIG_IP_ROUTE_CLASSID
         rth->dst.tclassid = itag;
 #endif
+        rth->rt_route_iif = dev->ifindex;
         rth->rt_iif     = dev->ifindex;
         rth->dst.dev    = net->loopback_dev;
         dev_hold(rth->dst.dev);
@@ -2401,7 +2404,8 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
         rth->rt_mark    = oldflp4->flowi4_mark;
         rth->rt_dst     = fl4->daddr;
         rth->rt_src     = fl4->saddr;
-        rth->rt_iif     = 0;
+        rth->rt_route_iif = 0;
+        rth->rt_iif     = oldflp4->flowi4_oif ? : dev_out->ifindex;
         /* get references to the devices that are to be hold by the routing
            cache entry */
         rth->dst.dev    = dev_out;
@@ -2716,6 +2720,7 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
                 rt->rt_key_dst = ort->rt_key_dst;
                 rt->rt_key_src = ort->rt_key_src;
                 rt->rt_tos = ort->rt_tos;
+                rt->rt_route_iif = ort->rt_route_iif;
                 rt->rt_iif = ort->rt_iif;
                 rt->rt_oif = ort->rt_oif;
                 rt->rt_mark = ort->rt_mark;
@@ -2725,7 +2730,6 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
                 rt->rt_type = ort->rt_type;
                 rt->rt_dst = ort->rt_dst;
                 rt->rt_src = ort->rt_src;
-                rt->rt_iif = ort->rt_iif;
                 rt->rt_gateway = ort->rt_gateway;
                 rt->rt_spec_dst = ort->rt_spec_dst;
                 rt->peer = ort->peer;
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 13e0e7f659ff..d20a05e970d8 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -74,6 +74,7 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
         rt->rt_key_dst = fl4->daddr;
         rt->rt_key_src = fl4->saddr;
         rt->rt_tos = fl4->flowi4_tos;
+        rt->rt_route_iif = fl4->flowi4_iif;
         rt->rt_iif = fl4->flowi4_iif;
         rt->rt_oif = fl4->flowi4_oif;
         rt->rt_mark = fl4->flowi4_mark;