diff -ur v2.4.27-before-nf_reroute/linux/include/linux/netfilter_ipv4/ip_nat.h linux/include/linux/netfilter_ipv4/ip_nat.h
--- v2.4.27-before-nf_reroute/linux/include/linux/netfilter_ipv4/ip_nat.h	2004-04-14 23:14:10.000000000 +0300
+++ linux/include/linux/netfilter_ipv4/ip_nat.h	2004-08-08 11:30:30.460950808 +0300
@@ -126,5 +126,13 @@
 extern u_int16_t ip_nat_cheat_check(u_int32_t oldvalinv,
 				    u_int32_t newval,
 				    u_int16_t oldcheck);
+
+/* Call input routing for SNAT-ed traffic */
+extern unsigned int ip_nat_route_input(unsigned int hooknum,
+				       struct sk_buff **pskb,
+				       const struct net_device *in,
+				       const struct net_device *out,
+				       int (*okfn)(struct sk_buff *));
+
 #endif /*__KERNEL__*/
 #endif
diff -ur v2.4.27-before-nf_reroute/linux/include/net/route.h linux/include/net/route.h
--- v2.4.27-before-nf_reroute/linux/include/net/route.h	2003-08-25 22:06:13.000000000 +0300
+++ linux/include/net/route.h	2004-08-08 11:30:30.460950808 +0300
@@ -49,6 +49,8 @@
 {
 	__u32			dst;
 	__u32			src;
+	__u32			lsrc;
+	__u32			gw;
 	int			iif;
 	int			oif;
 #ifdef CONFIG_IP_ROUTE_FWMARK
@@ -128,6 +130,7 @@
 extern void		rt_cache_flush(int how);
 extern int		ip_route_output_key(struct rtable **, const struct rt_key *key);
 extern int		ip_route_input(struct sk_buff*, u32 dst, u32 src, u8 tos, struct net_device *devin);
+extern int		ip_route_input_lookup(struct sk_buff*, u32 dst, u32 src, u8 tos, struct net_device *devin, u32 lsrc);
 extern unsigned short	ip_rt_frag_needed(struct iphdr *iph, unsigned short new_mtu);
 extern void		ip_rt_update_pmtu(struct dst_entry *dst, unsigned mtu);
 extern void		ip_rt_send_redirect(struct sk_buff *skb);
@@ -148,6 +151,15 @@
 }
 
 
+static inline int
+ip_route_output_lookup(struct rtable **rp,
+		       u32 daddr, u32 saddr, u32 tos, int oif, u32 gw)
+{
+	struct rt_key key = { dst:daddr, src:saddr, gw:gw, oif:oif, tos:tos };
+
+	return ip_route_output_key(rp, &key);
+}
+
 static inline void ip_rt_put(struct rtable * rt)
 {
 	if (rt)
diff -ur v2.4.27-before-nf_reroute/linux/net/ipv4/fib_frontend.c linux/net/ipv4/fib_frontend.c
--- v2.4.27-before-nf_reroute/linux/net/ipv4/fib_frontend.c	2004-08-08 11:29:05.000000000 +0300
+++ linux/net/ipv4/fib_frontend.c	2004-08-08 11:30:30.461950656 +0300
@@ -222,6 +222,7 @@
 	key.src = dst;
 	key.tos = tos;
 	key.oif = 0;
+	key.gw	= 0;
 	key.iif = oif;
 	key.scope = RT_SCOPE_UNIVERSE;
 
diff -ur v2.4.27-before-nf_reroute/linux/net/ipv4/fib_hash.c linux/net/ipv4/fib_hash.c
--- v2.4.27-before-nf_reroute/linux/net/ipv4/fib_hash.c	2004-08-08 11:29:05.000000000 +0300
+++ linux/net/ipv4/fib_hash.c	2004-08-08 11:30:30.461950656 +0300
@@ -352,6 +352,9 @@
 	for (nhsel = 0, nh = fi->fib_nh; nhsel < fi->fib_nhs; nh++, nhsel++) {
 		if (key->oif && key->oif != nh->nh_oif)
 			continue;
+		if (key->gw && key->gw != nh->nh_gw && nh->nh_gw &&
+		    nh->nh_scope == RT_SCOPE_LINK)
+			continue;
 		if (nh->nh_flags & RTNH_F_DEAD)
 			continue;
 
diff -ur v2.4.27-before-nf_reroute/linux/net/ipv4/fib_semantics.c linux/net/ipv4/fib_semantics.c
--- v2.4.27-before-nf_reroute/linux/net/ipv4/fib_semantics.c	2004-08-08 11:29:05.000000000 +0300
+++ linux/net/ipv4/fib_semantics.c	2004-08-08 11:30:30.462950504 +0300
@@ -635,8 +635,12 @@
 			for_nexthops(fi) {
 				if (nh->nh_flags&RTNH_F_DEAD)
 					continue;
-				if (!key->oif || key->oif == nh->nh_oif)
-					break;
+				if (key->oif && key->oif != nh->nh_oif)
+					continue;
+				if (key->gw && key->gw != nh->nh_gw &&
+				    nh->nh_gw && nh->nh_scope == RT_SCOPE_LINK)
+					continue;
+				break;
 			}
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
 			if (nhsel < fi->fib_nhs) {
@@ -1028,6 +1032,9 @@
 		change_nexthops(fi) {
 			if (key->oif != nh->nh_oif)
 				continue;
+			if (key->gw && key->gw != nh->nh_gw &&
+			    nh->nh_gw && nh->nh_scope == RT_SCOPE_LINK)
+				continue;
 			if (!(nh->nh_flags&RTNH_F_BADSTATE)) {
 				if (nh->nh_power > w) {
 					w = nh->nh_power;
@@ -1086,11 +1093,14 @@
 
 	for_nexthops(fi) {
 		if (!(nh->nh_flags&RTNH_F_DEAD)) {
-			if (!key->oif || key->oif == nh->nh_oif) {
-				spin_unlock_bh(&fib_multipath_lock);
-				res->nh_sel = nhsel;
-				return;
-			}
+			if (key->oif && key->oif != nh->nh_oif)
+				continue;
+			if (key->gw && key->gw != nh->nh_gw &&
+			    nh->nh_gw && nh->nh_scope == RT_SCOPE_LINK)
+				continue;
+			spin_unlock_bh(&fib_multipath_lock);
+			res->nh_sel = nhsel;
+			return;
 		}
 	} endfor_nexthops(fi);
 
diff -ur v2.4.27-before-nf_reroute/linux/net/ipv4/ip_nat_dumb.c linux/net/ipv4/ip_nat_dumb.c
--- v2.4.27-before-nf_reroute/linux/net/ipv4/ip_nat_dumb.c	2001-11-13 03:25:26.000000000 +0200
+++ linux/net/ipv4/ip_nat_dumb.c	2004-08-08 11:30:30.463950352 +0300
@@ -124,6 +124,7 @@
 					key.dst = ciph->saddr;
 					key.iif = skb->dev->ifindex;
 					key.oif = 0;
+					key.gw	= 0;
 #ifdef CONFIG_IP_ROUTE_TOS
 					key.tos = RT_TOS(ciph->tos);
 #endif
diff -ur v2.4.27-before-nf_reroute/linux/net/ipv4/netfilter/ip_fw_compat_masq.c linux/net/ipv4/netfilter/ip_fw_compat_masq.c
--- v2.4.27-before-nf_reroute/linux/net/ipv4/netfilter/ip_fw_compat_masq.c	2004-08-08 10:56:48.000000000 +0300
+++ linux/net/ipv4/netfilter/ip_fw_compat_masq.c	2004-08-08 11:30:30.463950352 +0300
@@ -41,6 +41,10 @@
 	enum ip_conntrack_info ctinfo;
 	struct ip_conntrack *ct;
 	unsigned int ret;
+	struct rtable *rt, *skb_rt;
+	struct net_device *skb_dev;
+	__u32 saddr;
+	int new;
 
 	/* Sorry, only ICMP, TCP and UDP. */
 	if (iph->protocol != IPPROTO_ICMP
@@ -64,22 +68,28 @@
 	}
 
 	info = &ct->nat.info;
+	iph = (*pskb)->nh.iph;
+	saddr = iph->saddr;
+	new = 0;
 
 	WRITE_LOCK(&ip_nat_lock);
 	/* Setup the masquerade, if not already */
 	if (!info->initialized) {
 		u_int32_t newsrc;
-		struct rtable *rt;
 		struct ip_nat_multi_range range;
 
+		skb_rt = (struct rtable *) (*pskb)->dst;
+		skb_dev = skb_rt->u.dst.dev;
 		/* Pass 0 instead of saddr, since it's going to be changed
 		   anyway. */
-		if (ip_route_output(&rt, iph->daddr, 0, 0, 0) != 0) {
+		if (ip_route_output_lookup(&rt, iph->daddr, 0, RT_TOS(iph->tos),
+		    skb_dev? skb_dev->ifindex : 0,
+		    skb_dev? skb_rt->rt_gateway : 0) != 0) {
+			WRITE_UNLOCK(&ip_nat_lock);
 			DEBUGP("ipnat_rule_masquerade: Can't reroute.\n");
 			return NF_DROP;
 		}
-		newsrc = inet_select_addr(rt->u.dst.dev, rt->rt_gateway,
-					  RT_SCOPE_UNIVERSE);
+		newsrc = rt->rt_src;
 		ip_rt_put(rt);
 		range = ((struct ip_nat_multi_range)
 			 { 1,
@@ -92,11 +102,31 @@
 			WRITE_UNLOCK(&ip_nat_lock);
 			return ret;
 		}
+		new = 1;
 	} else
 		DEBUGP("Masquerading already done on this conn.\n");
 	WRITE_UNLOCK(&ip_nat_lock);
 
-	return do_bindings(ct, ctinfo, info, NF_IP_POST_ROUTING, pskb);
+	ret = do_bindings(ct, ctinfo, info, NF_IP_POST_ROUTING, pskb);
+	if (ret != NF_ACCEPT || saddr == (*pskb)->nh.iph->saddr || new)
+		return ret;
+
+	iph = (*pskb)->nh.iph;
+	if (ip_route_output(&rt, iph->daddr, iph->saddr, RT_TOS(iph->tos), 0) != 0)
+		return NF_DROP;
+	
+	skb_rt = (struct rtable *) (*pskb)->dst;
+	skb_dev = skb_rt->u.dst.dev;
+	if (skb_dev != rt->u.dst.dev || rt->rt_gateway != skb_rt->rt_gateway) {
+		if (skb_dev != rt->u.dst.dev) {
+			/* TODO: check the new mtu and reply FRAG_NEEDED */
+		}
+		dst_release((*pskb)->dst);
+		(*pskb)->dst = &rt->u.dst;
+	} else {
+		ip_rt_put(rt);
+	}
+	return NF_ACCEPT;
 }
 
 void
diff -ur v2.4.27-before-nf_reroute/linux/net/ipv4/netfilter/ip_nat_core.c linux/net/ipv4/netfilter/ip_nat_core.c
--- v2.4.27-before-nf_reroute/linux/net/ipv4/netfilter/ip_nat_core.c	2004-08-08 10:56:48.000000000 +0300
+++ linux/net/ipv4/netfilter/ip_nat_core.c	2004-08-08 11:30:30.464950200 +0300
@@ -965,6 +965,60 @@
 	return NF_ACCEPT;
 }
 
+unsigned int
+ip_nat_route_input(unsigned int hooknum,
+		struct sk_buff **pskb,
+		const struct net_device *in,
+		const struct net_device *out,
+		int (*okfn)(struct sk_buff *))
+{
+	struct sk_buff *skb = *pskb;
+	struct iphdr *iph;
+	struct ip_conntrack *ct;
+	enum ip_conntrack_info ctinfo;
+	struct ip_nat_info *info;
+	enum ip_conntrack_dir dir;
+	__u32 saddr;
+	int i;
+
+	if (!(ct = ip_conntrack_get(skb, &ctinfo)))
+		return NF_ACCEPT;
+
+	info = &ct->nat.info;
+	if (!info->initialized)
+		return NF_ACCEPT;
+
+	if (skb->dst)
+		return NF_ACCEPT;
+
+	if (skb->len < sizeof(struct iphdr))
+		return NF_ACCEPT;
+
+	iph = skb->nh.iph;
+	saddr = iph->saddr;
+	hooknum = NF_IP_POST_ROUTING;
+	dir = CTINFO2DIR(ctinfo);
+
+	READ_LOCK(&ip_nat_lock);
+	for (i = 0; i < info->num_manips; i++) {
+		if (info->manips[i].direction == dir
+		    && info->manips[i].hooknum == hooknum
+		    && info->manips[i].maniptype == IP_NAT_MANIP_SRC) {
+			saddr = info->manips[i].manip.ip;
+		}
+	}
+	READ_UNLOCK(&ip_nat_lock);
+
+	if (saddr == iph->saddr)
+		return NF_ACCEPT;
+
+	if (ip_route_input_lookup(skb, iph->daddr, iph->saddr, iph->tos,
+	    skb->dev, saddr))
+		return NF_DROP;
+
+	return NF_ACCEPT;
+}
+
 int __init ip_nat_init(void)
 {
 	size_t i;
diff -ur v2.4.27-before-nf_reroute/linux/net/ipv4/netfilter/ip_nat_standalone.c linux/net/ipv4/netfilter/ip_nat_standalone.c
--- v2.4.27-before-nf_reroute/linux/net/ipv4/netfilter/ip_nat_standalone.c	2004-04-14 23:14:11.000000000 +0300
+++ linux/net/ipv4/netfilter/ip_nat_standalone.c	2004-08-08 11:30:30.465950048 +0300
@@ -230,6 +230,9 @@
 /* Before packet filtering, change destination */
 static struct nf_hook_ops ip_nat_in_ops
 = { { NULL, NULL }, ip_nat_fn, PF_INET, NF_IP_PRE_ROUTING, NF_IP_PRI_NAT_DST };
+/* Before routing, route before mangling */
+static struct nf_hook_ops ip_nat_inr_ops
+= { { NULL, NULL }, ip_nat_route_input, PF_INET, NF_IP_PRE_ROUTING, NF_IP_PRI_LAST-1 };
 /* After packet filtering, change source */
 static struct nf_hook_ops ip_nat_out_ops
 = { { NULL, NULL }, ip_nat_out, PF_INET, NF_IP_POST_ROUTING, NF_IP_PRI_NAT_SRC};
@@ -301,10 +304,15 @@
 		printk("ip_nat_init: can't register in hook.\n");
 		goto cleanup_nat;
 	}
+	ret = nf_register_hook(&ip_nat_inr_ops);
+	if (ret < 0) {
+		printk("ip_nat_init: can't register inr hook.\n");
+		goto cleanup_inops;
+	}
 	ret = nf_register_hook(&ip_nat_out_ops);
 	if (ret < 0) {
 		printk("ip_nat_init: can't register out hook.\n");
-		goto cleanup_inops;
+		goto cleanup_inrops;
 	}
 #ifdef CONFIG_IP_NF_NAT_LOCAL
 	ret = nf_register_hook(&ip_nat_local_out_ops);
@@ -328,6 +336,8 @@
  cleanup_outops:
 #endif
 	nf_unregister_hook(&ip_nat_out_ops);
+ cleanup_inrops:
+	nf_unregister_hook(&ip_nat_inr_ops);
  cleanup_inops:
 	nf_unregister_hook(&ip_nat_in_ops);
  cleanup_nat:
diff -ur v2.4.27-before-nf_reroute/linux/net/ipv4/netfilter/ipt_MASQUERADE.c linux/net/ipv4/netfilter/ipt_MASQUERADE.c
--- v2.4.27-before-nf_reroute/linux/net/ipv4/netfilter/ipt_MASQUERADE.c	2004-08-08 10:56:48.000000000 +0300
+++ linux/net/ipv4/netfilter/ipt_MASQUERADE.c	2004-08-08 11:12:17.000000000 +0300
@@ -87,7 +87,8 @@
 	key.dst = (*pskb)->nh.iph->daddr;
 	key.src = 0; /* Unknown: that's what we're trying to establish */
 	key.tos = RT_TOS((*pskb)->nh.iph->tos)|RTO_CONN;
-	key.oif = 0;
+	key.oif = out->ifindex;
+	key.gw	= ((struct rtable *) (*pskb)->dst)->rt_gateway;
 #ifdef CONFIG_IP_ROUTE_FWMARK
 	key.fwmark = (*pskb)->nfmark;
 #endif
@@ -98,13 +99,6 @@
                                " No route: Rusty's brain broke!\n");
                 return NF_DROP;
         }
-        if (rt->u.dst.dev != out) {
-                if (net_ratelimit())
-                        printk("MASQUERADE:"
-                               " Route sent us somewhere else.\n");
-			ip_rt_put(rt);
-		return NF_DROP;
-	}
 
 	newsrc = rt->rt_src;
 	DEBUGP("newsrc = %u.%u.%u.%u\n", NIPQUAD(newsrc));
diff -ur v2.4.27-before-nf_reroute/linux/net/ipv4/route.c linux/net/ipv4/route.c
--- v2.4.27-before-nf_reroute/linux/net/ipv4/route.c	2004-08-08 11:29:05.000000000 +0300
+++ linux/net/ipv4/route.c	2004-08-08 11:30:30.468949592 +0300
@@ -918,6 +918,7 @@
 
 				/* Gateway is different ... */
 				rt->rt_gateway		= new_gw;
+				if (rt->key.gw) rt->key.gw = new_gw;
 
 				/* Redirect received -> path was valid */
 				dst_confirm(&rth->u.dst);
@@ -1342,6 +1343,7 @@
 	rth->key.fwmark	= skb->nfmark;
 #endif
 	rth->key.src	= saddr;
+	rth->key.lsrc	= 0;
 	rth->rt_src	= saddr;
 #ifdef CONFIG_IP_ROUTE_NAT
 	rth->rt_dst_map	= daddr;
@@ -1355,6 +1357,7 @@
 	rth->u.dst.dev	= &loopback_dev;
 	dev_hold(rth->u.dst.dev);
 	rth->key.oif	= 0;
+	rth->key.gw	= 0;
 	rth->rt_gateway	= daddr;
 	rth->rt_spec_dst= spec_dst;
 	rth->rt_type	= RTN_MULTICAST;
@@ -1394,7 +1397,7 @@
  */
 
 int ip_route_input_slow(struct sk_buff *skb, u32 daddr, u32 saddr,
-			u8 tos, struct net_device *dev)
+			u8 tos, struct net_device *dev, u32 lsrc)
 {
 	struct rt_key	key;
 	struct fib_result res;
@@ -1414,16 +1417,17 @@
 		goto out;
 
 	key.dst		= daddr;
-	key.src		= saddr;
+	key.src		= lsrc? : saddr;
 	key.tos		= tos;
 #ifdef CONFIG_IP_ROUTE_FWMARK
 	key.fwmark	= skb->nfmark;
 #endif
-	key.iif		= dev->ifindex;
+	key.iif		= lsrc? loopback_dev.ifindex : dev->ifindex;
 	key.oif		= 0;
+	key.gw		= 0;
 	key.scope	= RT_SCOPE_UNIVERSE;
 
-	hash = rt_hash_code(daddr, saddr ^ (key.iif << 5), tos);
+	hash = rt_hash_code(daddr, saddr ^ (dev->ifindex << 5), tos);
 
 	/* Check for the most weird martians, which can be not detected
 	   by fib_lookup.
@@ -1444,6 +1448,12 @@
 	if (BADCLASS(daddr) || ZERONET(daddr) || LOOPBACK(daddr))
 		goto martian_destination;
 
+	if (lsrc) {
+		if (MULTICAST(lsrc) || BADCLASS(lsrc) ||
+		    ZERONET(lsrc) || LOOPBACK(lsrc))
+			goto e_inval;
+	}
+
 	/*
 	 *	Now we are ready to route packet.
 	 */
@@ -1453,6 +1463,10 @@
 		goto no_route;
 	}
 	free_res = 1;
+	if (lsrc && res.type != RTN_UNICAST && res.type != RTN_NAT)
+		goto e_inval;
+	key.iif = dev->ifindex;
+	key.src = saddr;
 
 	rt_cache_stat[smp_processor_id()].in_slow_tot++;
 
@@ -1463,7 +1477,7 @@
 
 	if (1) {
 		u32 src_map = saddr;
-		if (res.r)
+		if (res.r && !lsrc)
 			src_map = fib_rules_policy(saddr, &res, &flags);
 
 		if (res.type == RTN_NAT) {
@@ -1524,6 +1538,7 @@
 		flags |= RTCF_DIRECTSRC;
 
 	if (out_dev == in_dev && err && !(flags & (RTCF_NAT | RTCF_MASQ)) &&
+	    !lsrc &&
 	    (IN_DEV_SHARED_MEDIA(out_dev) ||
 	     inet_addr_onlink(out_dev, saddr, FIB_RES_GW(res))))
 		flags |= RTCF_DOREDIRECT;
@@ -1550,6 +1565,7 @@
 #endif
 	rth->key.src	= saddr;
 	rth->rt_src	= saddr;
+	rth->key.lsrc	= lsrc;
 	rth->rt_gateway	= daddr;
 #ifdef CONFIG_IP_ROUTE_NAT
 	rth->rt_src_map	= key.src;
@@ -1562,6 +1578,7 @@
 	rth->u.dst.dev	= out_dev->dev;
 	dev_hold(rth->u.dst.dev);
 	rth->key.oif 	= 0;
+	rth->key.gw	= 0;
 	rth->rt_spec_dst= spec_dst;
 
 	rth->u.dst.input = ip_forward;
@@ -1572,7 +1589,8 @@
 	rth->rt_flags = flags;
 
 #ifdef CONFIG_NET_FASTROUTE
-	if (netdev_fastroute && !(flags&(RTCF_NAT|RTCF_MASQ|RTCF_DOREDIRECT))) {
+	if (netdev_fastroute && !(flags&(RTCF_NAT|RTCF_MASQ|RTCF_DOREDIRECT)) &&
+	    !lsrc) {
 		struct net_device *odev = rth->u.dst.dev;
 		if (odev != dev &&
 		    dev->accept_fastpath &&
@@ -1595,6 +1613,8 @@
 brd_input:
 	if (skb->protocol != htons(ETH_P_IP))
 		goto e_inval;
+	if (lsrc)
+		goto e_inval;
 
 	if (ZERONET(saddr))
 		spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
@@ -1627,6 +1647,7 @@
 #endif
 	rth->key.src	= saddr;
 	rth->rt_src	= saddr;
+	rth->key.lsrc	= 0;
 #ifdef CONFIG_IP_ROUTE_NAT
 	rth->rt_dst_map	= key.dst;
 	rth->rt_src_map	= key.src;
@@ -1639,6 +1660,7 @@
 	rth->u.dst.dev	= &loopback_dev;
 	dev_hold(rth->u.dst.dev);
 	rth->key.oif 	= 0;
+	rth->key.gw	= 0;
 	rth->rt_gateway	= daddr;
 	rth->rt_spec_dst= spec_dst;
 	rth->u.dst.input= ip_local_deliver;
@@ -1704,8 +1726,9 @@
 	goto e_inval;
 }
 
-int ip_route_input(struct sk_buff *skb, u32 daddr, u32 saddr,
-		   u8 tos, struct net_device *dev)
+static inline int
+ip_route_input_cached(struct sk_buff *skb, u32 daddr, u32 saddr,
+		      u8 tos, struct net_device *dev, u32 lsrc)
 {
 	struct rtable * rth;
 	unsigned	hash;
@@ -1719,6 +1742,7 @@
 		if (rth->key.dst == daddr &&
 		    rth->key.src == saddr &&
 		    rth->key.iif == iif &&
+		    rth->key.lsrc == lsrc &&
 		    rth->key.oif == 0 &&
 #ifdef CONFIG_IP_ROUTE_FWMARK
 		    rth->key.fwmark == skb->nfmark &&
@@ -1766,9 +1790,21 @@
 		read_unlock(&inetdev_lock);
 		return -EINVAL;
 	}
-	return ip_route_input_slow(skb, daddr, saddr, tos, dev);
+	return ip_route_input_slow(skb, daddr, saddr, tos, dev, lsrc);
 }
 
+int ip_route_input(struct sk_buff *skb, u32 daddr, u32 saddr,
+		   u8 tos, struct net_device *dev)
+{
+	return ip_route_input_cached(skb, daddr, saddr, tos, dev, 0);
+}
+
+int ip_route_input_lookup(struct sk_buff *skb, u32 daddr, u32 saddr,
+			  u8 tos, struct net_device *dev, u32 lsrc)
+{
+	return ip_route_input_cached(skb, daddr, saddr, tos, dev, lsrc);
+}
+ 
 /*
  * Major route resolver routine.
  */
@@ -1791,6 +1827,7 @@
 	key.tos		= tos & IPTOS_RT_MASK;
 	key.iif		= loopback_dev.ifindex;
 	key.oif		= oldkey->oif;
+	key.gw		= oldkey->gw;
 #ifdef CONFIG_IP_ROUTE_FWMARK
 	key.fwmark	= oldkey->fwmark;
 #endif
@@ -1880,6 +1917,7 @@
 		dev_out = &loopback_dev;
 		dev_hold(dev_out);
 		key.oif = loopback_dev.ifindex;
+		key.gw = 0;
 		res.type = RTN_LOCAL;
 		flags |= RTCF_LOCAL;
 		goto make_route;
@@ -1930,6 +1968,7 @@
 		dev_out = &loopback_dev;
 		dev_hold(dev_out);
 		key.oif = dev_out->ifindex;
+		key.gw = 0;
 		if (res.fi)
 			fib_info_put(res.fi);
 		res.fi = NULL;
@@ -2000,7 +2039,9 @@
 	rth->key.tos	= tos;
 	rth->key.src	= oldkey->src;
 	rth->key.iif	= 0;
+	rth->key.lsrc	= 0;
 	rth->key.oif	= oldkey->oif;
+	rth->key.gw	= oldkey->gw;
 #ifdef CONFIG_IP_ROUTE_FWMARK
 	rth->key.fwmark	= oldkey->fwmark;
 #endif
@@ -2079,6 +2120,7 @@
 		    rth->key.src == key->src &&
 		    rth->key.iif == 0 &&
 		    rth->key.oif == key->oif &&
+		    rth->key.gw == key->gw &&
 #ifdef CONFIG_IP_ROUTE_FWMARK
 		    rth->key.fwmark == key->fwmark &&
 #endif
diff -ur v2.4.27-before-nf_reroute/linux/net/netsyms.c linux/net/netsyms.c
--- v2.4.27-before-nf_reroute/linux/net/netsyms.c	2004-08-08 10:56:48.000000000 +0300
+++ linux/net/netsyms.c	2004-08-08 11:30:30.469949440 +0300
@@ -256,6 +256,7 @@
 EXPORT_SYMBOL(inet_unregister_protosw);
 EXPORT_SYMBOL(ip_route_output_key);
 EXPORT_SYMBOL(ip_route_input);
+EXPORT_SYMBOL(ip_route_input_lookup);
 EXPORT_SYMBOL(icmp_send);
 EXPORT_SYMBOL(icmp_statistics);
 EXPORT_SYMBOL(icmp_err_convert);
