[NETFILTER]: Add NAT support for nf_conntrack
[firefly-linux-kernel-4.4.55.git] / net / ipv4 / netfilter / ip_nat_standalone.c
index 9c577db62047a7255c4ebed0c317050319290865..ad66328baa5dfee8f236b9f67c6e52c2840986ae 100644 (file)
 #define DEBUGP(format, args...)
 #endif
 
-#define HOOKNAME(hooknum) ((hooknum) == NF_IP_POST_ROUTING ? "POST_ROUTING"  \
-                          : ((hooknum) == NF_IP_PRE_ROUTING ? "PRE_ROUTING" \
-                             : ((hooknum) == NF_IP_LOCAL_OUT ? "LOCAL_OUT"  \
-                                : ((hooknum) == NF_IP_LOCAL_IN ? "LOCAL_IN"  \
-                                   : "*ERROR*")))
-
 #ifdef CONFIG_XFRM
 static void nat_decode_session(struct sk_buff *skb, struct flowi *fl)
 {
@@ -191,7 +185,7 @@ ip_nat_in(unsigned int hooknum,
           int (*okfn)(struct sk_buff *))
 {
        unsigned int ret;
-       u_int32_t daddr = (*pskb)->nh.iph->daddr;
+       __be32 daddr = (*pskb)->nh.iph->daddr;
 
        ret = ip_nat_fn(hooknum, pskb, in, out, okfn);
        if (ret != NF_DROP && ret != NF_STOLEN
@@ -265,7 +259,8 @@ ip_nat_local_fn(unsigned int hooknum,
                       ct->tuplehash[!dir].tuple.src.u.all
 #endif
                    )
-                       return ip_route_me_harder(pskb) == 0 ? ret : NF_DROP;
+                       if (ip_route_me_harder(pskb, RTN_UNSPEC))
+                               ret = NF_DROP;
        }
        return ret;
 }