net-next: remove useless union keyword

remove useless union keyword in rtable, rt6_info and dn_route.

Since there is only one member in a union, the union keyword isn't useful.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

19 files changed, 305 insertions, 305 deletions

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 551ce56..d99e7e0 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1100,7 +1100,7 @@ static int inet_sk_reselect_saddr(struct sock *sk)
 	if (err)
 		return err;
 
-	sk_setup_caps(sk, &rt->u.dst);
+	sk_setup_caps(sk, &rt->dst);
 
 	new_saddr = rt->rt_src;
 
@@ -1166,7 +1166,7 @@ int inet_sk_rebuild_header(struct sock *sk)
 	err = ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 0);
 }
 	if (!err)
-		sk_setup_caps(sk, &rt->u.dst);
+		sk_setup_caps(sk, &rt->dst);
 	else {
 		/* Routing failed... */
 		sk->sk_route_caps = 0;
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 917d2d6..cf78f41 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -427,7 +427,7 @@ static int arp_filter(__be32 sip, __be32 tip, struct net_device *dev)
 
 	if (ip_route_output_key(net, &rt, &fl) < 0)
 		return 1;
-	if (rt->u.dst.dev != dev) {
+	if (rt->dst.dev != dev) {
 		NET_INC_STATS_BH(net, LINUX_MIB_ARPFILTER);
 		flag = 1;
 	}
@@ -532,7 +532,7 @@ static inline int arp_fwd_proxy(struct in_device *in_dev,
 	struct in_device *out_dev;
 	int imi, omi = -1;
 
-	if (rt->u.dst.dev == dev)
+	if (rt->dst.dev == dev)
 		return 0;
 
 	if (!IN_DEV_PROXY_ARP(in_dev))
@@ -545,7 +545,7 @@ static inline int arp_fwd_proxy(struct in_device *in_dev,
 
 	/* place to check for proxy_arp for routes */
 
-	out_dev = __in_dev_get_rcu(rt->u.dst.dev);
+	out_dev = __in_dev_get_rcu(rt->dst.dev);
 	if (out_dev)
 		omi = IN_DEV_MEDIUM_ID(out_dev);
 
@@ -576,7 +576,7 @@ static inline int arp_fwd_pvlan(struct in_device *in_dev,
 				__be32 sip, __be32 tip)
 {
 	/* Private VLAN is only concerned about the same ethernet segment */
-	if (rt->u.dst.dev != dev)
+	if (rt->dst.dev != dev)
 		return 0;
 
 	/* Don't reply on self probes (often done by windowz boxes)*/
@@ -1042,7 +1042,7 @@ static int arp_req_set(struct net *net, struct arpreq *r,
 		struct rtable * rt;
 		if ((err = ip_route_output_key(net, &rt, &fl)) != 0)
 			return err;
-		dev = rt->u.dst.dev;
+		dev = rt->dst.dev;
 		ip_rt_put(rt);
 		if (!dev)
 			return -EINVAL;
@@ -1149,7 +1149,7 @@ static int arp_req_delete(struct net *net, struct arpreq *r,
 		struct rtable * rt;
 		if ((err = ip_route_output_key(net, &rt, &fl)) != 0)
 			return err;
-		dev = rt->u.dst.dev;
+		dev = rt->dst.dev;
 		ip_rt_put(rt);
 		if (!dev)
 			return -EINVAL;
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c
index fb24658..fe3daa7 100644
--- a/net/ipv4/datagram.c
+++ b/net/ipv4/datagram.c
@@ -69,7 +69,7 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	sk->sk_state = TCP_ESTABLISHED;
 	inet->inet_id = jiffies;
 
-	sk_dst_set(sk, &rt->u.dst);
+	sk_dst_set(sk, &rt->dst);
 	return(0);
 }
 
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index bdb6c71..7569b21 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -271,7 +271,7 @@ int xrlim_allow(struct dst_entry *dst, int timeout)
 static inline int icmpv4_xrlim_allow(struct net *net, struct rtable *rt,
 		int type, int code)
 {
-	struct dst_entry *dst = &rt->u.dst;
+	struct dst_entry *dst = &rt->dst;
 	int rc = 1;
 
 	if (type > NR_ICMP_TYPES)
@@ -327,7 +327,7 @@ static void icmp_push_reply(struct icmp_bxm *icmp_param,
 	struct sock *sk;
 	struct sk_buff *skb;
 
-	sk = icmp_sk(dev_net((*rt)->u.dst.dev));
+	sk = icmp_sk(dev_net((*rt)->dst.dev));
 	if (ip_append_data(sk, icmp_glue_bits, icmp_param,
 			   icmp_param->data_len+icmp_param->head_len,
 			   icmp_param->head_len,
@@ -359,7 +359,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
 {
 	struct ipcm_cookie ipc;
 	struct rtable *rt = skb_rtable(skb);
-	struct net *net = dev_net(rt->u.dst.dev);
+	struct net *net = dev_net(rt->dst.dev);
 	struct sock *sk;
 	struct inet_sock *inet;
 	__be32 daddr;
@@ -427,7 +427,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
 
 	if (!rt)
 		goto out;
-	net = dev_net(rt->u.dst.dev);
+	net = dev_net(rt->dst.dev);
 
 	/*
 	 *	Find the original header. It is expected to be valid, of course.
@@ -596,9 +596,9 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
 			/* Ugh! */
 			orefdst = skb_in->_skb_refdst; /* save old refdst */
 			err = ip_route_input(skb_in, fl.fl4_dst, fl.fl4_src,
-					     RT_TOS(tos), rt2->u.dst.dev);
+					     RT_TOS(tos), rt2->dst.dev);
 
-			dst_release(&rt2->u.dst);
+			dst_release(&rt2->dst);
 			rt2 = skb_rtable(skb_in);
 			skb_in->_skb_refdst = orefdst; /* restore old refdst */
 		}
@@ -610,7 +610,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
 				  XFRM_LOOKUP_ICMP);
 		switch (err) {
 		case 0:
-			dst_release(&rt->u.dst);
+			dst_release(&rt->dst);
 			rt = rt2;
 			break;
 		case -EPERM:
@@ -629,7 +629,7 @@ route_done:
 
 	/* RFC says return as much as we can without exceeding 576 bytes. */
 
-	room = dst_mtu(&rt->u.dst);
+	room = dst_mtu(&rt->dst);
 	if (room > 576)
 		room = 576;
 	room -= sizeof(struct iphdr) + icmp_param.replyopts.optlen;
@@ -972,7 +972,7 @@ int icmp_rcv(struct sk_buff *skb)
 {
 	struct icmphdr *icmph;
 	struct rtable *rt = skb_rtable(skb);
-	struct net *net = dev_net(rt->u.dst.dev);
+	struct net *net = dev_net(rt->dst.dev);
 
 	if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {
 		struct sec_path *sp = skb_sec_path(skb);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 3294f54..b5580d4 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -312,7 +312,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
 		return NULL;
 	}
 
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 	skb->dev = dev;
 
 	skb_reserve(skb, LL_RESERVED_SPACE(dev));
@@ -330,7 +330,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
 	pip->saddr    = rt->rt_src;
 	pip->protocol = IPPROTO_IGMP;
 	pip->tot_len  = 0;	/* filled in later */
-	ip_select_ident(pip, &rt->u.dst, NULL);
+	ip_select_ident(pip, &rt->dst, NULL);
 	((u8*)&pip[1])[0] = IPOPT_RA;
 	((u8*)&pip[1])[1] = 4;
 	((u8*)&pip[1])[2] = 0;
@@ -660,7 +660,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
 		return -1;
 	}
 
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	skb_reserve(skb, LL_RESERVED_SPACE(dev));
 
@@ -676,7 +676,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
 	iph->daddr    = dst;
 	iph->saddr    = rt->rt_src;
 	iph->protocol = IPPROTO_IGMP;
-	ip_select_ident(iph, &rt->u.dst, NULL);
+	ip_select_ident(iph, &rt->dst, NULL);
 	((u8*)&iph[1])[0] = IPOPT_RA;
 	((u8*)&iph[1])[1] = 4;
 	((u8*)&iph[1])[2] = 0;
@@ -1425,7 +1425,7 @@ static struct in_device *ip_mc_find_dev(struct net *net, struct ip_mreqn *imr)
 	}
 
 	if (!dev && !ip_route_output_key(net, &rt, &fl)) {
-		dev = rt->u.dst.dev;
+		dev = rt->dst.dev;
 		ip_rt_put(rt);
 	}
 	if (dev) {
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 70eb350..57c9e4d 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -383,7 +383,7 @@ struct dst_entry *inet_csk_route_req(struct sock *sk,
 		goto no_route;
 	if (opt && opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
 		goto route_err;
-	return &rt->u.dst;
+	return &rt->dst;
 
 route_err:
 	ip_rt_put(rt);
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index 56cdf68..99461f0 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -87,16 +87,16 @@ int ip_forward(struct sk_buff *skb)
 	if (opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
 		goto sr_failed;
 
-	if (unlikely(skb->len > dst_mtu(&rt->u.dst) && !skb_is_gso(skb) &&
+	if (unlikely(skb->len > dst_mtu(&rt->dst) && !skb_is_gso(skb) &&
 		     (ip_hdr(skb)->frag_off & htons(IP_DF))) && !skb->local_df) {
-		IP_INC_STATS(dev_net(rt->u.dst.dev), IPSTATS_MIB_FRAGFAILS);
+		IP_INC_STATS(dev_net(rt->dst.dev), IPSTATS_MIB_FRAGFAILS);
 		icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
-			  htonl(dst_mtu(&rt->u.dst)));
+			  htonl(dst_mtu(&rt->dst)));
 		goto drop;
 	}
 
 	/* We are about to mangle packet. Copy it! */
-	if (skb_cow(skb, LL_RESERVED_SPACE(rt->u.dst.dev)+rt->u.dst.header_len))
+	if (skb_cow(skb, LL_RESERVED_SPACE(rt->dst.dev)+rt->dst.header_len))
 		goto drop;
 	iph = ip_hdr(skb);
 
@@ -113,7 +113,7 @@ int ip_forward(struct sk_buff *skb)
 	skb->priority = rt_tos2priority(iph->tos);
 
 	return NF_HOOK(NFPROTO_IPV4, NF_INET_FORWARD, skb, skb->dev,
-		       rt->u.dst.dev, ip_forward_finish);
+		       rt->dst.dev, ip_forward_finish);
 
 sr_failed:
 	/*
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 32618e1..749e548 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -745,7 +745,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 			goto tx_error;
 		}
 	}
-	tdev = rt->u.dst.dev;
+	tdev = rt->dst.dev;
 
 	if (tdev == dev) {
 		ip_rt_put(rt);
@@ -755,7 +755,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 
 	df = tiph->frag_off;
 	if (df)
-		mtu = dst_mtu(&rt->u.dst) - dev->hard_header_len - tunnel->hlen;
+		mtu = dst_mtu(&rt->dst) - dev->hard_header_len - tunnel->hlen;
 	else
 		mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
 
@@ -803,7 +803,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 			tunnel->err_count = 0;
 	}
 
-	max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + rt->u.dst.header_len;
+	max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + rt->dst.header_len;
 
 	if (skb_headroom(skb) < max_headroom || skb_shared(skb)||
 	    (skb_cloned(skb) && !skb_clone_writable(skb, 0))) {
@@ -830,7 +830,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 	IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
 			      IPSKB_REROUTED);
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/*
 	 *	Push down and install the IPIP header.
@@ -853,7 +853,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 			iph->ttl = ((struct ipv6hdr *)old_iph)->hop_limit;
 #endif
 		else
-			iph->ttl = dst_metric(&rt->u.dst, RTAX_HOPLIMIT);
+			iph->ttl = dst_metric(&rt->dst, RTAX_HOPLIMIT);
 	}
 
 	((__be16 *)(iph + 1))[0] = tunnel->parms.o_flags;
@@ -915,7 +915,7 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev)
 				    .proto = IPPROTO_GRE };
 		struct rtable *rt;
 		if (!ip_route_output_key(dev_net(dev), &rt, &fl)) {
-			tdev = rt->u.dst.dev;
+			tdev = rt->dst.dev;
 			ip_rt_put(rt);
 		}
 
@@ -1174,7 +1174,7 @@ static int ipgre_open(struct net_device *dev)
 		struct rtable *rt;
 		if (ip_route_output_key(dev_net(dev), &rt, &fl))
 			return -EADDRNOTAVAIL;
-		dev = rt->u.dst.dev;
+		dev = rt->dst.dev;
 		ip_rt_put(rt);
 		if (__in_dev_get_rtnl(dev) == NULL)
 			return -EADDRNOTAVAIL;
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 08a3b12..db47a5a 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -356,10 +356,10 @@ static int ip_rcv_finish(struct sk_buff *skb)
 
 	rt = skb_rtable(skb);
 	if (rt->rt_type == RTN_MULTICAST) {
-		IP_UPD_PO_STATS_BH(dev_net(rt->u.dst.dev), IPSTATS_MIB_INMCAST,
+		IP_UPD_PO_STATS_BH(dev_net(rt->dst.dev), IPSTATS_MIB_INMCAST,
 				skb->len);
 	} else if (rt->rt_type == RTN_BROADCAST)
-		IP_UPD_PO_STATS_BH(dev_net(rt->u.dst.dev), IPSTATS_MIB_INBCAST,
+		IP_UPD_PO_STATS_BH(dev_net(rt->dst.dev), IPSTATS_MIB_INBCAST,
 				skb->len);
 
 	return dst_input(skb);
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 9a4a6c9..6cbeb2e 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -151,15 +151,15 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
 	iph->version  = 4;
 	iph->ihl      = 5;
 	iph->tos      = inet->tos;
-	if (ip_dont_fragment(sk, &rt->u.dst))
+	if (ip_dont_fragment(sk, &rt->dst))
 		iph->frag_off = htons(IP_DF);
 	else
 		iph->frag_off = 0;
-	iph->ttl      = ip_select_ttl(inet, &rt->u.dst);
+	iph->ttl      = ip_select_ttl(inet, &rt->dst);
 	iph->daddr    = rt->rt_dst;
 	iph->saddr    = rt->rt_src;
 	iph->protocol = sk->sk_protocol;
-	ip_select_ident(iph, &rt->u.dst, sk);
+	ip_select_ident(iph, &rt->dst, sk);
 
 	if (opt && opt->optlen) {
 		iph->ihl += opt->optlen>>2;
@@ -240,7 +240,7 @@ int ip_mc_output(struct sk_buff *skb)
 {
 	struct sock *sk = skb->sk;
 	struct rtable *rt = skb_rtable(skb);
-	struct net_device *dev = rt->u.dst.dev;
+	struct net_device *dev = rt->dst.dev;
 
 	/*
 	 *	If the indicated interface is up and running, send the packet.
@@ -359,9 +359,9 @@ int ip_queue_xmit(struct sk_buff *skb)
 			if (ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 0))
 				goto no_route;
 		}
-		sk_setup_caps(sk, &rt->u.dst);
+		sk_setup_caps(sk, &rt->dst);
 	}
-	skb_dst_set_noref(skb, &rt->u.dst);
+	skb_dst_set_noref(skb, &rt->dst);
 
 packet_routed:
 	if (opt && opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
@@ -372,11 +372,11 @@ packet_routed:
 	skb_reset_network_header(skb);
 	iph = ip_hdr(skb);
 	*((__be16 *)iph) = htons((4 << 12) | (5 << 8) | (inet->tos & 0xff));
-	if (ip_dont_fragment(sk, &rt->u.dst) && !skb->local_df)
+	if (ip_dont_fragment(sk, &rt->dst) && !skb->local_df)
 		iph->frag_off = htons(IP_DF);
 	else
 		iph->frag_off = 0;
-	iph->ttl      = ip_select_ttl(inet, &rt->u.dst);
+	iph->ttl      = ip_select_ttl(inet, &rt->dst);
 	iph->protocol = sk->sk_protocol;
 	iph->saddr    = rt->rt_src;
 	iph->daddr    = rt->rt_dst;
@@ -387,7 +387,7 @@ packet_routed:
 		ip_options_build(skb, opt, inet->inet_daddr, rt, 0);
 	}
 
-	ip_select_ident_more(iph, &rt->u.dst, sk,
+	ip_select_ident_more(iph, &rt->dst, sk,
 			     (skb_shinfo(skb)->gso_segs ?: 1) - 1);
 
 	skb->priority = sk->sk_priority;
@@ -452,7 +452,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 	struct rtable *rt = skb_rtable(skb);
 	int err = 0;
 
-	dev = rt->u.dst.dev;
+	dev = rt->dst.dev;
 
 	/*
 	 *	Point into the IP datagram header.
@@ -473,7 +473,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 	 */
 
 	hlen = iph->ihl * 4;
-	mtu = dst_mtu(&rt->u.dst) - hlen;	/* Size of data space */
+	mtu = dst_mtu(&rt->dst) - hlen;	/* Size of data space */
 #ifdef CONFIG_BRIDGE_NETFILTER
 	if (skb->nf_bridge)
 		mtu -= nf_bridge_mtu_reduction(skb);
@@ -586,7 +586,7 @@ slow_path:
 	 * we need to make room for the encapsulating header
 	 */
 	pad = nf_bridge_pad(skb);
-	ll_rs = LL_RESERVED_SPACE_EXTRA(rt->u.dst.dev, pad);
+	ll_rs = LL_RESERVED_SPACE_EXTRA(rt->dst.dev, pad);
 	mtu -= pad;
 
 	/*
@@ -833,13 +833,13 @@ int ip_append_data(struct sock *sk,
 		 */
 		*rtp = NULL;
 		inet->cork.fragsize = mtu = inet->pmtudisc == IP_PMTUDISC_PROBE ?
-					    rt->u.dst.dev->mtu :
-					    dst_mtu(rt->u.dst.path);
-		inet->cork.dst = &rt->u.dst;
+					    rt->dst.dev->mtu :
+					    dst_mtu(rt->dst.path);
+		inet->cork.dst = &rt->dst;
 		inet->cork.length = 0;
 		sk->sk_sndmsg_page = NULL;
 		sk->sk_sndmsg_off = 0;
-		if ((exthdrlen = rt->u.dst.header_len) != 0) {
+		if ((exthdrlen = rt->dst.header_len) != 0) {
 			length += exthdrlen;
 			transhdrlen += exthdrlen;
 		}
@@ -852,7 +852,7 @@ int ip_append_data(struct sock *sk,
 		exthdrlen = 0;
 		mtu = inet->cork.fragsize;
 	}
-	hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
+	hh_len = LL_RESERVED_SPACE(rt->dst.dev);
 
 	fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0);
 	maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;
@@ -869,14 +869,14 @@ int ip_append_data(struct sock *sk,
 	 */
 	if (transhdrlen &&
 	    length + fragheaderlen <= mtu &&
-	    rt->u.dst.dev->features & NETIF_F_V4_CSUM &&
+	    rt->dst.dev->features & NETIF_F_V4_CSUM &&
 	    !exthdrlen)
 		csummode = CHECKSUM_PARTIAL;
 
 	inet->cork.length += length;
 	if (((length> mtu) || !skb_queue_empty(&sk->sk_write_queue)) &&
 	    (sk->sk_protocol == IPPROTO_UDP) &&
-	    (rt->u.dst.dev->features & NETIF_F_UFO)) {
+	    (rt->dst.dev->features & NETIF_F_UFO)) {
 		err = ip_ufo_append_data(sk, getfrag, from, length, hh_len,
 					 fragheaderlen, transhdrlen, mtu,
 					 flags);
@@ -924,7 +924,7 @@ alloc_new_skb:
 			fraglen = datalen + fragheaderlen;
 
 			if ((flags & MSG_MORE) &&
-			    !(rt->u.dst.dev->features&NETIF_F_SG))
+			    !(rt->dst.dev->features&NETIF_F_SG))
 				alloclen = mtu;
 			else
 				alloclen = datalen + fragheaderlen;
@@ -935,7 +935,7 @@ alloc_new_skb:
 			 * the last.
 			 */
 			if (datalen == length + fraggap)
-				alloclen += rt->u.dst.trailer_len;
+				alloclen += rt->dst.trailer_len;
 
 			if (transhdrlen) {
 				skb = sock_alloc_send_skb(sk,
@@ -1008,7 +1008,7 @@ alloc_new_skb:
 		if (copy > length)
 			copy = length;
 
-		if (!(rt->u.dst.dev->features&NETIF_F_SG)) {
+		if (!(rt->dst.dev->features&NETIF_F_SG)) {
 			unsigned int off;
 
 			off = skb->len;
@@ -1103,10 +1103,10 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
 	if (inet->cork.flags & IPCORK_OPT)
 		opt = inet->cork.opt;
 
-	if (!(rt->u.dst.dev->features&NETIF_F_SG))
+	if (!(rt->dst.dev->features&NETIF_F_SG))
 		return -EOPNOTSUPP;
 
-	hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
+	hh_len = LL_RESERVED_SPACE(rt->dst.dev);
 	mtu = inet->cork.fragsize;
 
 	fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0);
@@ -1122,7 +1122,7 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
 
 	inet->cork.length += size;
 	if ((sk->sk_protocol == IPPROTO_UDP) &&
-	    (rt->u.dst.dev->features & NETIF_F_UFO)) {
+	    (rt->dst.dev->features & NETIF_F_UFO)) {
 		skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
 		skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
 	}
@@ -1274,8 +1274,8 @@ int ip_push_pending_frames(struct sock *sk)
 	 * If local_df is set too, we still allow to fragment this frame
 	 * locally. */
 	if (inet->pmtudisc >= IP_PMTUDISC_DO ||
-	    (skb->len <= dst_mtu(&rt->u.dst) &&
-	     ip_dont_fragment(sk, &rt->u.dst)))
+	    (skb->len <= dst_mtu(&rt->dst) &&
+	     ip_dont_fragment(sk, &rt->dst)))
 		df = htons(IP_DF);
 
 	if (inet->cork.flags & IPCORK_OPT)
@@ -1284,7 +1284,7 @@ int ip_push_pending_frames(struct sock *sk)
 	if (rt->rt_type == RTN_MULTICAST)
 		ttl = inet->mc_ttl;
 	else
-		ttl = ip_select_ttl(inet, &rt->u.dst);
+		ttl = ip_select_ttl(inet, &rt->dst);
 
 	iph = (struct iphdr *)skb->data;
 	iph->version = 4;
@@ -1295,7 +1295,7 @@ int ip_push_pending_frames(struct sock *sk)
 	}
 	iph->tos = inet->tos;
 	iph->frag_off = df;
-	ip_select_ident(iph, &rt->u.dst, sk);
+	ip_select_ident(iph, &rt->dst, sk);
 	iph->ttl = ttl;
 	iph->protocol = sk->sk_protocol;
 	iph->saddr = rt->rt_src;
@@ -1308,7 +1308,7 @@ int ip_push_pending_frames(struct sock *sk)
 	 * on dst refcount
 	 */
 	inet->cork.dst = NULL;
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	if (iph->protocol == IPPROTO_ICMP)
 		icmp_out_count(net, ((struct icmphdr *)
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 7fd6367..ec03673 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -435,7 +435,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 			goto tx_error_icmp;
 		}
 	}
-	tdev = rt->u.dst.dev;
+	tdev = rt->dst.dev;
 
 	if (tdev == dev) {
 		ip_rt_put(rt);
@@ -446,7 +446,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 	df |= old_iph->frag_off & htons(IP_DF);
 
 	if (df) {
-		mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
+		mtu = dst_mtu(&rt->dst) - sizeof(struct iphdr);
 
 		if (mtu < 68) {
 			stats->collisions++;
@@ -503,7 +503,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 	IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
 			      IPSKB_REROUTED);
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/*
 	 *	Push down and install the IPIP header.
@@ -552,7 +552,7 @@ static void ipip_tunnel_bind_dev(struct net_device *dev)
 				    .proto = IPPROTO_IPIP };
 		struct rtable *rt;
 		if (!ip_route_output_key(dev_net(dev), &rt, &fl)) {
-			tdev = rt->u.dst.dev;
+			tdev = rt->dst.dev;
 			ip_rt_put(rt);
 		}
 		dev->flags |= IFF_POINTOPOINT;
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 856123f..8418afc 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1551,9 +1551,9 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
 			goto out_free;
 	}
 
-	dev = rt->u.dst.dev;
+	dev = rt->dst.dev;
 
-	if (skb->len+encap > dst_mtu(&rt->u.dst) && (ntohs(iph->frag_off) & IP_DF)) {
+	if (skb->len+encap > dst_mtu(&rt->dst) && (ntohs(iph->frag_off) & IP_DF)) {
 		/* Do not fragment multicasts. Alas, IPv4 does not
 		   allow to send ICMP, so that packets will disappear
 		   to blackhole.
@@ -1564,7 +1564,7 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
 		goto out_free;
 	}
 
-	encap += LL_RESERVED_SPACE(dev) + rt->u.dst.header_len;
+	encap += LL_RESERVED_SPACE(dev) + rt->dst.header_len;
 
 	if (skb_cow(skb, encap)) {
 		ip_rt_put(rt);
@@ -1575,7 +1575,7 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
 	vif->bytes_out += skb->len;
 
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 	ip_decrease_ttl(ip_hdr(skb));
 
 	/* FIXME: forward and output firewalls used to be called here.
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 07de855..cfbc79a 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -43,7 +43,7 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
 
 		/* Drop old route. */
 		skb_dst_drop(skb);
-		skb_dst_set(skb, &rt->u.dst);
+		skb_dst_set(skb, &rt->dst);
 	} else {
 		/* non-local src, find valid iif to satisfy
 		 * rp-filter when calling ip_route_input. */
@@ -53,11 +53,11 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
 
 		orefdst = skb->_skb_refdst;
 		if (ip_route_input(skb, iph->daddr, iph->saddr,
-				   RT_TOS(iph->tos), rt->u.dst.dev) != 0) {
-			dst_release(&rt->u.dst);
+				   RT_TOS(iph->tos), rt->dst.dev) != 0) {
+			dst_release(&rt->dst);
 			return -1;
 		}
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		refdst_drop(orefdst);
 	}
 
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 66cc3be..009a7b2 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -325,24 +325,24 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 	int err;
 	struct rtable *rt = *rtp;
 
-	if (length > rt->u.dst.dev->mtu) {
+	if (length > rt->dst.dev->mtu) {
 		ip_local_error(sk, EMSGSIZE, rt->rt_dst, inet->inet_dport,
-			       rt->u.dst.dev->mtu);
+			       rt->dst.dev->mtu);
 		return -EMSGSIZE;
 	}
 	if (flags&MSG_PROBE)
 		goto out;
 
 	skb = sock_alloc_send_skb(sk,
-				  length + LL_ALLOCATED_SPACE(rt->u.dst.dev) + 15,
+				  length + LL_ALLOCATED_SPACE(rt->dst.dev) + 15,
 				  flags & MSG_DONTWAIT, &err);
 	if (skb == NULL)
 		goto error;
-	skb_reserve(skb, LL_RESERVED_SPACE(rt->u.dst.dev));
+	skb_reserve(skb, LL_RESERVED_SPACE(rt->dst.dev));
 
 	skb->priority = sk->sk_priority;
 	skb->mark = sk->sk_mark;
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 	*rtp = NULL;
 
 	skb_reset_network_header(skb);
@@ -375,7 +375,7 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 		iph->check   = 0;
 		iph->tot_len = htons(length);
 		if (!iph->id)
-			ip_select_ident(iph, &rt->u.dst, NULL);
+			ip_select_ident(iph, &rt->dst, NULL);
 
 		iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
 	}
@@ -384,7 +384,7 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 			skb_transport_header(skb))->type);
 
 	err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT, skb, NULL,
-		      rt->u.dst.dev, dst_output);
+		      rt->dst.dev, dst_output);
 	if (err > 0)
 		err = net_xmit_errno(err);
 	if (err)
@@ -606,7 +606,7 @@ out:
 	return len;
 
 do_confirm:
-	dst_confirm(&rt->u.dst);
+	dst_confirm(&rt->dst);
 	if (!(msg->msg_flags & MSG_PROBE) || len)
 		goto back_from_confirm;
 	err = 0;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 883b5c7..a291edb 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -286,10 +286,10 @@ static struct rtable *rt_cache_get_first(struct seq_file *seq)
 		rcu_read_lock_bh();
 		r = rcu_dereference_bh(rt_hash_table[st->bucket].chain);
 		while (r) {
-			if (dev_net(r->u.dst.dev) == seq_file_net(seq) &&
+			if (dev_net(r->dst.dev) == seq_file_net(seq) &&
 			    r->rt_genid == st->genid)
 				return r;
-			r = rcu_dereference_bh(r->u.dst.rt_next);
+			r = rcu_dereference_bh(r->dst.rt_next);
 		}
 		rcu_read_unlock_bh();
 	}
@@ -301,7 +301,7 @@ static struct rtable *__rt_cache_get_next(struct seq_file *seq,
 {
 	struct rt_cache_iter_state *st = seq->private;
 
-	r = r->u.dst.rt_next;
+	r = r->dst.rt_next;
 	while (!r) {
 		rcu_read_unlock_bh();
 		do {
@@ -319,7 +319,7 @@ static struct rtable *rt_cache_get_next(struct seq_file *seq,
 {
 	struct rt_cache_iter_state *st = seq->private;
 	while ((r = __rt_cache_get_next(seq, r)) != NULL) {
-		if (dev_net(r->u.dst.dev) != seq_file_net(seq))
+		if (dev_net(r->dst.dev) != seq_file_net(seq))
 			continue;
 		if (r->rt_genid == st->genid)
 			break;
@@ -377,19 +377,19 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
 
 		seq_printf(seq, "%s\t%08X\t%08X\t%8X\t%d\t%u\t%d\t"
 			      "%08X\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X%n",
-			r->u.dst.dev ? r->u.dst.dev->name : "*",
+			r->dst.dev ? r->dst.dev->name : "*",
 			(__force u32)r->rt_dst,
 			(__force u32)r->rt_gateway,
-			r->rt_flags, atomic_read(&r->u.dst.__refcnt),
-			r->u.dst.__use, 0, (__force u32)r->rt_src,
-			(dst_metric(&r->u.dst, RTAX_ADVMSS) ?
-			     (int)dst_metric(&r->u.dst, RTAX_ADVMSS) + 40 : 0),
-			dst_metric(&r->u.dst, RTAX_WINDOW),
-			(int)((dst_metric(&r->u.dst, RTAX_RTT) >> 3) +
-			      dst_metric(&r->u.dst, RTAX_RTTVAR)),
+			r->rt_flags, atomic_read(&r->dst.__refcnt),
+			r->dst.__use, 0, (__force u32)r->rt_src,
+			(dst_metric(&r->dst, RTAX_ADVMSS) ?
+			     (int)dst_metric(&r->dst, RTAX_ADVMSS) + 40 : 0),
+			dst_metric(&r->dst, RTAX_WINDOW),
+			(int)((dst_metric(&r->dst, RTAX_RTT) >> 3) +
+			      dst_metric(&r->dst, RTAX_RTTVAR)),
 			r->fl.fl4_tos,
-			r->u.dst.hh ? atomic_read(&r->u.dst.hh->hh_refcnt) : -1,
-			r->u.dst.hh ? (r->u.dst.hh->hh_output ==
+			r->dst.hh ? atomic_read(&r->dst.hh->hh_refcnt) : -1,
+			r->dst.hh ? (r->dst.hh->hh_output ==
 				       dev_queue_xmit) : 0,
 			r->rt_spec_dst, &len);
 
@@ -608,13 +608,13 @@ static inline int ip_rt_proc_init(void)
 
 static inline void rt_free(struct rtable *rt)
 {
-	call_rcu_bh(&rt->u.dst.rcu_head, dst_rcu_free);
+	call_rcu_bh(&rt->dst.rcu_head, dst_rcu_free);
 }
 
 static inline void rt_drop(struct rtable *rt)
 {
 	ip_rt_put(rt);
-	call_rcu_bh(&rt->u.dst.rcu_head, dst_rcu_free);
+	call_rcu_bh(&rt->dst.rcu_head, dst_rcu_free);
 }
 
 static inline int rt_fast_clean(struct rtable *rth)
@@ -622,13 +622,13 @@ static inline int rt_fast_clean(struct rtable *rth)
 	/* Kill broadcast/multicast entries very aggresively, if they
 	   collide in hash table with more useful entries */
 	return (rth->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) &&
-		rth->fl.iif && rth->u.dst.rt_next;
+		rth->fl.iif && rth->dst.rt_next;
 }
 
 static inline int rt_valuable(struct rtable *rth)
 {
 	return (rth->rt_flags & (RTCF_REDIRECTED | RTCF_NOTIFY)) ||
-		rth->u.dst.expires;
+		rth->dst.expires;
 }
 
 static int rt_may_expire(struct rtable *rth, unsigned long tmo1, unsigned long tmo2)
@@ -636,15 +636,15 @@ static int rt_may_expire(struct rtable *rth, unsigned long tmo1, unsigned long t
 	unsigned long age;
 	int ret = 0;
 
-	if (atomic_read(&rth->u.dst.__refcnt))
+	if (atomic_read(&rth->dst.__refcnt))
 		goto out;
 
 	ret = 1;
-	if (rth->u.dst.expires &&
-	    time_after_eq(jiffies, rth->u.dst.expires))
+	if (rth->dst.expires &&
+	    time_after_eq(jiffies, rth->dst.expires))
 		goto out;
 
-	age = jiffies - rth->u.dst.lastuse;
+	age = jiffies - rth->dst.lastuse;
 	ret = 0;
 	if ((age <= tmo1 && !rt_fast_clean(rth)) ||
 	    (age <= tmo2 && rt_valuable(rth)))
@@ -660,7 +660,7 @@ out:	return ret;
  */
 static inline u32 rt_score(struct rtable *rt)
 {
-	u32 score = jiffies - rt->u.dst.lastuse;
+	u32 score = jiffies - rt->dst.lastuse;
 
 	score = ~score & ~(3<<30);
 
@@ -700,12 +700,12 @@ static inline int compare_keys(struct flowi *fl1, struct flowi *fl2)
 
 static inline int compare_netns(struct rtable *rt1, struct rtable *rt2)
 {
-	return net_eq(dev_net(rt1->u.dst.dev), dev_net(rt2->u.dst.dev));
+	return net_eq(dev_net(rt1->dst.dev), dev_net(rt2->dst.dev));
 }
 
 static inline int rt_is_expired(struct rtable *rth)
 {
-	return rth->rt_genid != rt_genid(dev_net(rth->u.dst.dev));
+	return rth->rt_genid != rt_genid(dev_net(rth->dst.dev));
 }
 
 /*
@@ -734,7 +734,7 @@ static void rt_do_flush(int process_context)
 		rth = rt_hash_table[i].chain;
 
 		/* defer releasing the head of the list after spin_unlock */
-		for (tail = rth; tail; tail = tail->u.dst.rt_next)
+		for (tail = rth; tail; tail = tail->dst.rt_next)
 			if (!rt_is_expired(tail))
 				break;
 		if (rth != tail)
@@ -743,9 +743,9 @@ static void rt_do_flush(int process_context)
 		/* call rt_free on entries after the tail requiring flush */
 		prev = &rt_hash_table[i].chain;
 		for (p = *prev; p; p = next) {
-			next = p->u.dst.rt_next;
+			next = p->dst.rt_next;
 			if (!rt_is_expired(p)) {
-				prev = &p->u.dst.rt_next;
+				prev = &p->dst.rt_next;
 			} else {
 				*prev = next;
 				rt_free(p);
@@ -760,7 +760,7 @@ static void rt_do_flush(int process_context)
 		spin_unlock_bh(rt_hash_lock_addr(i));
 
 		for (; rth != tail; rth = next) {
-			next = rth->u.dst.rt_next;
+			next = rth->dst.rt_next;
 			rt_free(rth);
 		}
 	}
@@ -791,7 +791,7 @@ static int has_noalias(const struct rtable *head, const struct rtable *rth)
 	while (aux != rth) {
 		if (compare_hash_inputs(&aux->fl, &rth->fl))
 			return 0;
-		aux = aux->u.dst.rt_next;
+		aux = aux->dst.rt_next;
 	}
 	return ONE;
 }
@@ -831,18 +831,18 @@ static void rt_check_expire(void)
 		length = 0;
 		spin_lock_bh(rt_hash_lock_addr(i));
 		while ((rth = *rthp) != NULL) {
-			prefetch(rth->u.dst.rt_next);
+			prefetch(rth->dst.rt_next);
 			if (rt_is_expired(rth)) {
-				*rthp = rth->u.dst.rt_next;
+				*rthp = rth->dst.rt_next;
 				rt_free(rth);
 				continue;
 			}
-			if (rth->u.dst.expires) {
+			if (rth->dst.expires) {
 				/* Entry is expired even if it is in use */
-				if (time_before_eq(jiffies, rth->u.dst.expires)) {
+				if (time_before_eq(jiffies, rth->dst.expires)) {
 nofree:
 					tmo >>= 1;
-					rthp = &rth->u.dst.rt_next;
+					rthp = &rth->dst.rt_next;
 					/*
 					 * We only count entries on
 					 * a chain with equal hash inputs once
@@ -858,7 +858,7 @@ nofree:
 				goto nofree;
 
 			/* Cleanup aged off entries. */
-			*rthp = rth->u.dst.rt_next;
+			*rthp = rth->dst.rt_next;
 			rt_free(rth);
 		}
 		spin_unlock_bh(rt_hash_lock_addr(i));
@@ -999,10 +999,10 @@ static int rt_garbage_collect(struct dst_ops *ops)
 				if (!rt_is_expired(rth) &&
 					!rt_may_expire(rth, tmo, expire)) {
 					tmo >>= 1;
-					rthp = &rth->u.dst.rt_next;
+					rthp = &rth->dst.rt_next;
 					continue;
 				}
-				*rthp = rth->u.dst.rt_next;
+				*rthp = rth->dst.rt_next;
 				rt_free(rth);
 				goal--;
 			}
@@ -1068,7 +1068,7 @@ static int slow_chain_length(const struct rtable *head)
 
 	while (rth) {
 		length += has_noalias(head, rth);
-		rth = rth->u.dst.rt_next;
+		rth = rth->dst.rt_next;
 	}
 	return length >> FRACT_BITS;
 }
@@ -1090,7 +1090,7 @@ restart:
 	candp = NULL;
 	now = jiffies;
 
-	if (!rt_caching(dev_net(rt->u.dst.dev))) {
+	if (!rt_caching(dev_net(rt->dst.dev))) {
 		/*
 		 * If we're not caching, just tell the caller we
 		 * were successful and don't touch the route.  The
@@ -1108,7 +1108,7 @@ restart:
 		 */
 
 		if (rt->rt_type == RTN_UNICAST || rt->fl.iif == 0) {
-			int err = arp_bind_neighbour(&rt->u.dst);
+			int err = arp_bind_neighbour(&rt->dst);
 			if (err) {
 				if (net_ratelimit())
 					printk(KERN_WARNING
@@ -1127,19 +1127,19 @@ restart:
 	spin_lock_bh(rt_hash_lock_addr(hash));
 	while ((rth = *rthp) != NULL) {
 		if (rt_is_expired(rth)) {
-			*rthp = rth->u.dst.rt_next;
+			*rthp = rth->dst.rt_next;
 			rt_free(rth);
 			continue;
 		}
 		if (compare_keys(&rth->fl, &rt->fl) && compare_netns(rth, rt)) {
 			/* Put it first */
-			*rthp = rth->u.dst.rt_next;
+			*rthp = rth->dst.rt_next;
 			/*
 			 * Since lookup is lockfree, the deletion
 			 * must be visible to another weakly ordered CPU before
 			 * the insertion at the start of the hash chain.
 			 */
-			rcu_assign_pointer(rth->u.dst.rt_next,
+			rcu_assign_pointer(rth->dst.rt_next,
 					   rt_hash_table[hash].chain);
 			/*
 			 * Since lookup is lockfree, the update writes
@@ -1147,18 +1147,18 @@ restart:
 			 */
 			rcu_assign_pointer(rt_hash_table[hash].chain, rth);
 
-			dst_use(&rth->u.dst, now);
+			dst_use(&rth->dst, now);
 			spin_unlock_bh(rt_hash_lock_addr(hash));
 
 			rt_drop(rt);
 			if (rp)
 				*rp = rth;
 			else
-				skb_dst_set(skb, &rth->u.dst);
+				skb_dst_set(skb, &rth->dst);
 			return 0;
 		}
 
-		if (!atomic_read(&rth->u.dst.__refcnt)) {
+		if (!atomic_read(&rth->dst.__refcnt)) {
 			u32 score = rt_score(rth);
 
 			if (score <= min_score) {
@@ -1170,7 +1170,7 @@ restart:
 
 		chain_length++;
 
-		rthp = &rth->u.dst.rt_next;
+		rthp = &rth->dst.rt_next;
 	}
 
 	if (cand) {
@@ -1181,17 +1181,17 @@ restart:
 		 * only 2 entries per bucket. We will see.
 		 */
 		if (chain_length > ip_rt_gc_elasticity) {
-			*candp = cand->u.dst.rt_next;
+			*candp = cand->dst.rt_next;
 			rt_free(cand);
 		}
 	} else {
 		if (chain_length > rt_chain_length_max &&
 		    slow_chain_length(rt_hash_table[hash].chain) > rt_chain_length_max) {
-			struct net *net = dev_net(rt->u.dst.dev);
+			struct net *net = dev_net(rt->dst.dev);
 			int num = ++net->ipv4.current_rt_cache_rebuild_count;
 			if (!rt_caching(net)) {
 				printk(KERN_WARNING "%s: %d rebuilds is over limit, route caching disabled\n",
-					rt->u.dst.dev->name, num);
+					rt->dst.dev->name, num);
 			}
 			rt_emergency_hash_rebuild(net);
 			spin_unlock_bh(rt_hash_lock_addr(hash));
@@ -1206,7 +1206,7 @@ restart:
 	   route or unicast forwarding path.
 	 */
 	if (rt->rt_type == RTN_UNICAST || rt->fl.iif == 0) {
-		int err = arp_bind_neighbour(&rt->u.dst);
+		int err = arp_bind_neighbour(&rt->dst);
 		if (err) {
 			spin_unlock_bh(rt_hash_lock_addr(hash));
 
@@ -1237,14 +1237,14 @@ restart:
 		}
 	}
 
-	rt->u.dst.rt_next = rt_hash_table[hash].chain;
+	rt->dst.rt_next = rt_hash_table[hash].chain;
 
 #if RT_CACHE_DEBUG >= 2
-	if (rt->u.dst.rt_next) {
+	if (rt->dst.rt_next) {
 		struct rtable *trt;
 		printk(KERN_DEBUG "rt_cache @%02x: %pI4",
 		       hash, &rt->rt_dst);
-		for (trt = rt->u.dst.rt_next; trt; trt = trt->u.dst.rt_next)
+		for (trt = rt->dst.rt_next; trt; trt = trt->dst.rt_next)
 			printk(" . %pI4", &trt->rt_dst);
 		printk("\n");
 	}
@@ -1262,7 +1262,7 @@ skip_hashing:
 	if (rp)
 		*rp = rt;
 	else
-		skb_dst_set(skb, &rt->u.dst);
+		skb_dst_set(skb, &rt->dst);
 	return 0;
 }
 
@@ -1334,11 +1334,11 @@ static void rt_del(unsigned hash, struct rtable *rt)
 	ip_rt_put(rt);
 	while ((aux = *rthp) != NULL) {
 		if (aux == rt || rt_is_expired(aux)) {
-			*rthp = aux->u.dst.rt_next;
+			*rthp = aux->dst.rt_next;
 			rt_free(aux);
 			continue;
 		}
-		rthp = &aux->u.dst.rt_next;
+		rthp = &aux->dst.rt_next;
 	}
 	spin_unlock_bh(rt_hash_lock_addr(hash));
 }
@@ -1392,19 +1392,19 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 				    rth->fl.oif != ikeys[k] ||
 				    rth->fl.iif != 0 ||
 				    rt_is_expired(rth) ||
-				    !net_eq(dev_net(rth->u.dst.dev), net)) {
-					rthp = &rth->u.dst.rt_next;
+				    !net_eq(dev_net(rth->dst.dev), net)) {
+					rthp = &rth->dst.rt_next;
 					continue;
 				}
 
 				if (rth->rt_dst != daddr ||
 				    rth->rt_src != saddr ||
-				    rth->u.dst.error ||
+				    rth->dst.error ||
 				    rth->rt_gateway != old_gw ||
-				    rth->u.dst.dev != dev)
+				    rth->dst.dev != dev)
 					break;
 
-				dst_hold(&rth->u.dst);
+				dst_hold(&rth->dst);
 
 				rt = dst_alloc(&ipv4_dst_ops);
 				if (rt == NULL) {
@@ -1414,20 +1414,20 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 
 				/* Copy all the information. */
 				*rt = *rth;
-				rt->u.dst.__use		= 1;
-				atomic_set(&rt->u.dst.__refcnt, 1);
-				rt->u.dst.child		= NULL;
-				if (rt->u.dst.dev)
-					dev_hold(rt->u.dst.dev);
+				rt->dst.__use		= 1;
+				atomic_set(&rt->dst.__refcnt, 1);
+				rt->dst.child		= NULL;
+				if (rt->dst.dev)
+					dev_hold(rt->dst.dev);
 				if (rt->idev)
 					in_dev_hold(rt->idev);
-				rt->u.dst.obsolete	= -1;
-				rt->u.dst.lastuse	= jiffies;
-				rt->u.dst.path		= &rt->u.dst;
-				rt->u.dst.neighbour	= NULL;
-				rt->u.dst.hh		= NULL;
+				rt->dst.obsolete	= -1;
+				rt->dst.lastuse	= jiffies;
+				rt->dst.path		= &rt->dst;
+				rt->dst.neighbour	= NULL;
+				rt->dst.hh		= NULL;
 #ifdef CONFIG_XFRM
-				rt->u.dst.xfrm		= NULL;
+				rt->dst.xfrm		= NULL;
 #endif
 				rt->rt_genid		= rt_genid(net);
 				rt->rt_flags		|= RTCF_REDIRECTED;
@@ -1436,23 +1436,23 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 				rt->rt_gateway		= new_gw;
 
 				/* Redirect received -> path was valid */
-				dst_confirm(&rth->u.dst);
+				dst_confirm(&rth->dst);
 
 				if (rt->peer)
 					atomic_inc(&rt->peer->refcnt);
 
-				if (arp_bind_neighbour(&rt->u.dst) ||
-				    !(rt->u.dst.neighbour->nud_state &
+				if (arp_bind_neighbour(&rt->dst) ||
+				    !(rt->dst.neighbour->nud_state &
 					    NUD_VALID)) {
-					if (rt->u.dst.neighbour)
-						neigh_event_send(rt->u.dst.neighbour, NULL);
+					if (rt->dst.neighbour)
+						neigh_event_send(rt->dst.neighbour, NULL);
 					ip_rt_put(rth);
 					rt_drop(rt);
 					goto do_next;
 				}
 
-				netevent.old = &rth->u.dst;
-				netevent.new = &rt->u.dst;
+				netevent.old = &rth->dst;
+				netevent.new = &rt->dst;
 				call_netevent_notifiers(NETEVENT_REDIRECT,
 							&netevent);
 
@@ -1488,8 +1488,8 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
 			ip_rt_put(rt);
 			ret = NULL;
 		} else if ((rt->rt_flags & RTCF_REDIRECTED) ||
-			   (rt->u.dst.expires &&
-			    time_after_eq(jiffies, rt->u.dst.expires))) {
+			   (rt->dst.expires &&
+			    time_after_eq(jiffies, rt->dst.expires))) {
 			unsigned hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
 						rt->fl.oif,
 						rt_genid(dev_net(dst->dev)));
@@ -1527,7 +1527,7 @@ void ip_rt_send_redirect(struct sk_buff *skb)
 	int log_martians;
 
 	rcu_read_lock();
-	in_dev = __in_dev_get_rcu(rt->u.dst.dev);
+	in_dev = __in_dev_get_rcu(rt->dst.dev);
 	if (!in_dev || !IN_DEV_TX_REDIRECTS(in_dev)) {
 		rcu_read_unlock();
 		return;
@@ -1538,30 +1538,30 @@ void ip_rt_send_redirect(struct sk_buff *skb)
 	/* No redirected packets during ip_rt_redirect_silence;
 	 * reset the algorithm.
 	 */
-	if (time_after(jiffies, rt->u.dst.rate_last + ip_rt_redirect_silence))
-		rt->u.dst.rate_tokens = 0;
+	if (time_after(jiffies, rt->dst.rate_last + ip_rt_redirect_silence))
+		rt->dst.rate_tokens = 0;
 
 	/* Too many ignored redirects; do not send anything
-	 * set u.dst.rate_last to the last seen redirected packet.
+	 * set dst.rate_last to the last seen redirected packet.
 	 */
-	if (rt->u.dst.rate_tokens >= ip_rt_redirect_number) {
-		rt->u.dst.rate_last = jiffies;
+	if (rt->dst.rate_tokens >= ip_rt_redirect_number) {
+		rt->dst.rate_last = jiffies;
 		return;
 	}
 
 	/* Check for load limit; set rate_last to the latest sent
 	 * redirect.
 	 */
-	if (rt->u.dst.rate_tokens == 0 ||
+	if (rt->dst.rate_tokens == 0 ||
 	    time_after(jiffies,
-		       (rt->u.dst.rate_last +
-			(ip_rt_redirect_load << rt->u.dst.rate_tokens)))) {
+		       (rt->dst.rate_last +
+			(ip_rt_redirect_load << rt->dst.rate_tokens)))) {
 		icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, rt->rt_gateway);
-		rt->u.dst.rate_last = jiffies;
-		++rt->u.dst.rate_tokens;
+		rt->dst.rate_last = jiffies;
+		++rt->dst.rate_tokens;
 #ifdef CONFIG_IP_ROUTE_VERBOSE
 		if (log_martians &&
-		    rt->u.dst.rate_tokens == ip_rt_redirect_number &&
+		    rt->dst.rate_tokens == ip_rt_redirect_number &&
 		    net_ratelimit())
 			printk(KERN_WARNING "host %pI4/if%d ignores redirects for %pI4 to %pI4.\n",
 				&rt->rt_src, rt->rt_iif,
@@ -1576,7 +1576,7 @@ static int ip_error(struct sk_buff *skb)
 	unsigned long now;
 	int code;
 
-	switch (rt->u.dst.error) {
+	switch (rt->dst.error) {
 		case EINVAL:
 		default:
 			goto out;
@@ -1585,7 +1585,7 @@ static int ip_error(struct sk_buff *skb)
 			break;
 		case ENETUNREACH:
 			code = ICMP_NET_UNREACH;
-			IP_INC_STATS_BH(dev_net(rt->u.dst.dev),
+			IP_INC_STATS_BH(dev_net(rt->dst.dev),
 					IPSTATS_MIB_INNOROUTES);
 			break;
 		case EACCES:
@@ -1594,12 +1594,12 @@ static int ip_error(struct sk_buff *skb)
 	}
 
 	now = jiffies;
-	rt->u.dst.rate_tokens += now - rt->u.dst.rate_last;
-	if (rt->u.dst.rate_tokens > ip_rt_error_burst)
-		rt->u.dst.rate_tokens = ip_rt_error_burst;
-	rt->u.dst.rate_last = now;
-	if (rt->u.dst.rate_tokens >= ip_rt_error_cost) {
-		rt->u.dst.rate_tokens -= ip_rt_error_cost;
+	rt->dst.rate_tokens += now - rt->dst.rate_last;
+	if (rt->dst.rate_tokens > ip_rt_error_burst)
+		rt->dst.rate_tokens = ip_rt_error_burst;
+	rt->dst.rate_last = now;
+	if (rt->dst.rate_tokens >= ip_rt_error_cost) {
+		rt->dst.rate_tokens -= ip_rt_error_cost;
 		icmp_send(skb, ICMP_DEST_UNREACH, code, 0);
 	}
 
@@ -1644,7 +1644,7 @@ unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph,
 
 			rcu_read_lock();
 			for (rth = rcu_dereference(rt_hash_table[hash].chain); rth;
-			     rth = rcu_dereference(rth->u.dst.rt_next)) {
+			     rth = rcu_dereference(rth->dst.rt_next)) {
 				unsigned short mtu = new_mtu;
 
 				if (rth->fl.fl4_dst != daddr ||
@@ -1653,8 +1653,8 @@ unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph,
 				    rth->rt_src != iph->saddr ||
 				    rth->fl.oif != ikeys[k] ||
 				    rth->fl.iif != 0 ||
-				    dst_metric_locked(&rth->u.dst, RTAX_MTU) ||
-				    !net_eq(dev_net(rth->u.dst.dev), net) ||
+				    dst_metric_locked(&rth->dst, RTAX_MTU) ||
+				    !net_eq(dev_net(rth->dst.dev), net) ||
 				    rt_is_expired(rth))
 					continue;
 
@@ -1662,22 +1662,22 @@ unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph,
 
 					/* BSD 4.2 compatibility hack :-( */
 					if (mtu == 0 &&
-					    old_mtu >= dst_mtu(&rth->u.dst) &&
+					    old_mtu >= dst_mtu(&rth->dst) &&
 					    old_mtu >= 68 + (iph->ihl << 2))
 						old_mtu -= iph->ihl << 2;
 
 					mtu = guess_mtu(old_mtu);
 				}
-				if (mtu <= dst_mtu(&rth->u.dst)) {
-					if (mtu < dst_mtu(&rth->u.dst)) {
-						dst_confirm(&rth->u.dst);
+				if (mtu <= dst_mtu(&rth->dst)) {
+					if (mtu < dst_mtu(&rth->dst)) {
+						dst_confirm(&rth->dst);
 						if (mtu < ip_rt_min_pmtu) {
 							mtu = ip_rt_min_pmtu;
-							rth->u.dst.metrics[RTAX_LOCK-1] |=
+							rth->dst.metrics[RTAX_LOCK-1] |=
 								(1 << RTAX_MTU);
 						}
-						rth->u.dst.metrics[RTAX_MTU-1] = mtu;
-						dst_set_expires(&rth->u.dst,
+						rth->dst.metrics[RTAX_MTU-1] = mtu;
+						dst_set_expires(&rth->dst,
 							ip_rt_mtu_expires);
 					}
 					est_mtu = mtu;
@@ -1750,7 +1750,7 @@ static void ipv4_link_failure(struct sk_buff *skb)
 
 	rt = skb_rtable(skb);
 	if (rt)
-		dst_set_expires(&rt->u.dst, 0);
+		dst_set_expires(&rt->dst, 0);
 }
 
 static int ip_rt_bug(struct sk_buff *skb)
@@ -1778,11 +1778,11 @@ void ip_rt_get_source(u8 *addr, struct rtable *rt)
 
 	if (rt->fl.iif == 0)
 		src = rt->rt_src;
-	else if (fib_lookup(dev_net(rt->u.dst.dev), &rt->fl, &res) == 0) {
+	else if (fib_lookup(dev_net(rt->dst.dev), &rt->fl, &res) == 0) {
 		src = FIB_RES_PREFSRC(res);
 		fib_res_put(&res);
 	} else
-		src = inet_select_addr(rt->u.dst.dev, rt->rt_gateway,
+		src = inet_select_addr(rt->dst.dev, rt->rt_gateway,
 					RT_SCOPE_UNIVERSE);
 	memcpy(addr, &src, 4);
 }
@@ -1790,10 +1790,10 @@ void ip_rt_get_source(u8 *addr, struct rtable *rt)
 #ifdef CONFIG_NET_CLS_ROUTE
 static void set_class_tag(struct rtable *rt, u32 tag)
 {
-	if (!(rt->u.dst.tclassid & 0xFFFF))
-		rt->u.dst.tclassid |= tag & 0xFFFF;
-	if (!(rt->u.dst.tclassid & 0xFFFF0000))
-		rt->u.dst.tclassid |= tag & 0xFFFF0000;
+	if (!(rt->dst.tclassid & 0xFFFF))
+		rt->dst.tclassid |= tag & 0xFFFF;
+	if (!(rt->dst.tclassid & 0xFFFF0000))
+		rt->dst.tclassid |= tag & 0xFFFF0000;
 }
 #endif
 
@@ -1805,30 +1805,30 @@ static void rt_set_nexthop(struct rtable *rt, struct fib_result *res, u32 itag)
 		if (FIB_RES_GW(*res) &&
 		    FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK)
 			rt->rt_gateway = FIB_RES_GW(*res);
-		memcpy(rt->u.dst.metrics, fi->fib_metrics,
-		       sizeof(rt->u.dst.metrics));
+		memcpy(rt->dst.metrics, fi->fib_metrics,
+		       sizeof(rt->dst.metrics));
 		if (fi->fib_mtu == 0) {
-			rt->u.dst.metrics[RTAX_MTU-1] = rt->u.dst.dev->mtu;
-			if (dst_metric_locked(&rt->u.dst, RTAX_MTU) &&
+			rt->dst.metrics[RTAX_MTU-1] = rt->dst.dev->mtu;
+			if (dst_metric_locked(&rt->dst, RTAX_MTU) &&
 			    rt->rt_gateway != rt->rt_dst &&
-			    rt->u.dst.dev->mtu > 576)
-				rt->u.dst.metrics[RTAX_MTU-1] = 576;
+			    rt->dst.dev->mtu > 576)
+				rt->dst.metrics[RTAX_MTU-1] = 576;
 		}
 #ifdef CONFIG_NET_CLS_ROUTE
-		rt->u.dst.tclassid = FIB_RES_NH(*res).nh_tclassid;
+		rt->dst.tclassid = FIB_RES_NH(*res).nh_tclassid;
 #endif
 	} else
-		rt->u.dst.metrics[RTAX_MTU-1]= rt->u.dst.dev->mtu;
-
-	if (dst_metric(&rt->u.dst, RTAX_HOPLIMIT) == 0)
-		rt->u.dst.metrics[RTAX_HOPLIMIT-1] = sysctl_ip_default_ttl;
-	if (dst_mtu(&rt->u.dst) > IP_MAX_MTU)
-		rt->u.dst.metrics[RTAX_MTU-1] = IP_MAX_MTU;
-	if (dst_metric(&rt->u.dst, RTAX_ADVMSS) == 0)
-		rt->u.dst.metrics[RTAX_ADVMSS-1] = max_t(unsigned int, rt->u.dst.dev->mtu - 40,
+		rt->dst.metrics[RTAX_MTU-1]= rt->dst.dev->mtu;
+
+	if (dst_metric(&rt->dst, RTAX_HOPLIMIT) == 0)
+		rt->dst.metrics[RTAX_HOPLIMIT-1] = sysctl_ip_default_ttl;
+	if (dst_mtu(&rt->dst) > IP_MAX_MTU)
+		rt->dst.metrics[RTAX_MTU-1] = IP_MAX_MTU;
+	if (dst_metric(&rt->dst, RTAX_ADVMSS) == 0)
+		rt->dst.metrics[RTAX_ADVMSS-1] = max_t(unsigned int, rt->dst.dev->mtu - 40,
 				       ip_rt_min_advmss);
-	if (dst_metric(&rt->u.dst, RTAX_ADVMSS) > 65535 - 40)
-		rt->u.dst.metrics[RTAX_ADVMSS-1] = 65535 - 40;
+	if (dst_metric(&rt->dst, RTAX_ADVMSS) > 65535 - 40)
+		rt->dst.metrics[RTAX_ADVMSS-1] = 65535 - 40;
 
 #ifdef CONFIG_NET_CLS_ROUTE
 #ifdef CONFIG_IP_MULTIPLE_TABLES
@@ -1873,13 +1873,13 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 	if (!rth)
 		goto e_nobufs;
 
-	rth->u.dst.output = ip_rt_bug;
-	rth->u.dst.obsolete = -1;
+	rth->dst.output = ip_rt_bug;
+	rth->dst.obsolete = -1;
 
-	atomic_set(&rth->u.dst.__refcnt, 1);
-	rth->u.dst.flags= DST_HOST;
+	atomic_set(&rth->dst.__refcnt, 1);
+	rth->dst.flags= DST_HOST;
 	if (IN_DEV_CONF_GET(in_dev, NOPOLICY))
-		rth->u.dst.flags |= DST_NOPOLICY;
+		rth->dst.flags |= DST_NOPOLICY;
 	rth->fl.fl4_dst	= daddr;
 	rth->rt_dst	= daddr;
 	rth->fl.fl4_tos	= tos;
@@ -1887,13 +1887,13 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 	rth->fl.fl4_src	= saddr;
 	rth->rt_src	= saddr;
 #ifdef CONFIG_NET_CLS_ROUTE
-	rth->u.dst.tclassid = itag;
+	rth->dst.tclassid = itag;
 #endif
 	rth->rt_iif	=
 	rth->fl.iif	= dev->ifindex;
-	rth->u.dst.dev	= init_net.loopback_dev;
-	dev_hold(rth->u.dst.dev);
-	rth->idev	= in_dev_get(rth->u.dst.dev);
+	rth->dst.dev	= init_net.loopback_dev;
+	dev_hold(rth->dst.dev);
+	rth->idev	= in_dev_get(rth->dst.dev);
 	rth->fl.oif	= 0;
 	rth->rt_gateway	= daddr;
 	rth->rt_spec_dst= spec_dst;
@@ -1901,13 +1901,13 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 	rth->rt_flags	= RTCF_MULTICAST;
 	rth->rt_type	= RTN_MULTICAST;
 	if (our) {
-		rth->u.dst.input= ip_local_deliver;
+		rth->dst.input= ip_local_deliver;
 		rth->rt_flags |= RTCF_LOCAL;
 	}
 
 #ifdef CONFIG_IP_MROUTE
 	if (!ipv4_is_local_multicast(daddr) && IN_DEV_MFORWARD(in_dev))
-		rth->u.dst.input = ip_mr_input;
+		rth->dst.input = ip_mr_input;
 #endif
 	RT_CACHE_STAT_INC(in_slow_mc);
 
@@ -2016,12 +2016,12 @@ static int __mkroute_input(struct sk_buff *skb,
 		goto cleanup;
 	}
 
-	atomic_set(&rth->u.dst.__refcnt, 1);
-	rth->u.dst.flags= DST_HOST;
+	atomic_set(&rth->dst.__refcnt, 1);
+	rth->dst.flags= DST_HOST;
 	if (IN_DEV_CONF_GET(in_dev, NOPOLICY))
-		rth->u.dst.flags |= DST_NOPOLICY;
+		rth->dst.flags |= DST_NOPOLICY;
 	if (IN_DEV_CONF_GET(out_dev, NOXFRM))
-		rth->u.dst.flags |= DST_NOXFRM;
+		rth->dst.flags |= DST_NOXFRM;
 	rth->fl.fl4_dst	= daddr;
 	rth->rt_dst	= daddr;
 	rth->fl.fl4_tos	= tos;
@@ -2031,16 +2031,16 @@ static int __mkroute_input(struct sk_buff *skb,
 	rth->rt_gateway	= daddr;
 	rth->rt_iif 	=
 		rth->fl.iif	= in_dev->dev->ifindex;
-	rth->u.dst.dev	= (out_dev)->dev;
-	dev_hold(rth->u.dst.dev);
-	rth->idev	= in_dev_get(rth->u.dst.dev);
+	rth->dst.dev	= (out_dev)->dev;
+	dev_hold(rth->dst.dev);
+	rth->idev	= in_dev_get(rth->dst.dev);
 	rth->fl.oif 	= 0;
 	rth->rt_spec_dst= spec_dst;
 
-	rth->u.dst.obsolete = -1;
-	rth->u.dst.input = ip_forward;
-	rth->u.dst.output = ip_output;
-	rth->rt_genid = rt_genid(dev_net(rth->u.dst.dev));
+	rth->dst.obsolete = -1;
+	rth->dst.input = ip_forward;
+	rth->dst.output = ip_output;
+	rth->rt_genid = rt_genid(dev_net(rth->dst.dev));
 
 	rt_set_nexthop(rth, res, itag);
 
@@ -2074,7 +2074,7 @@ static int ip_mkroute_input(struct sk_buff *skb,
 
 	/* put it into the cache */
 	hash = rt_hash(daddr, saddr, fl->iif,
-		       rt_genid(dev_net(rth->u.dst.dev)));
+		       rt_genid(dev_net(rth->dst.dev)));
 	return rt_intern_hash(hash, rth, NULL, skb, fl->iif);
 }
 
@@ -2197,14 +2197,14 @@ local_input:
 	if (!rth)
 		goto e_nobufs;
 
-	rth->u.dst.output= ip_rt_bug;
-	rth->u.dst.obsolete = -1;
+	rth->dst.output= ip_rt_bug;
+	rth->dst.obsolete = -1;
 	rth->rt_genid = rt_genid(net);
 
-	atomic_set(&rth->u.dst.__refcnt, 1);
-	rth->u.dst.flags= DST_HOST;
+	atomic_set(&rth->dst.__refcnt, 1);
+	rth->dst.flags= DST_HOST;
 	if (IN_DEV_CONF_GET(in_dev, NOPOLICY))
-		rth->u.dst.flags |= DST_NOPOLICY;
+		rth->dst.flags |= DST_NOPOLICY;
 	rth->fl.fl4_dst	= daddr;
 	rth->rt_dst	= daddr;
 	rth->fl.fl4_tos	= tos;
@@ -2212,20 +2212,20 @@ local_input:
 	rth->fl.fl4_src	= saddr;
 	rth->rt_src	= saddr;
 #ifdef CONFIG_NET_CLS_ROUTE
-	rth->u.dst.tclassid = itag;
+	rth->dst.tclassid = itag;
 #endif
 	rth->rt_iif	=
 	rth->fl.iif	= dev->ifindex;
-	rth->u.dst.dev	= net->loopback_dev;
-	dev_hold(rth->u.dst.dev);
-	rth->idev	= in_dev_get(rth->u.dst.dev);
+	rth->dst.dev	= net->loopback_dev;
+	dev_hold(rth->dst.dev);
+	rth->idev	= in_dev_get(rth->dst.dev);
 	rth->rt_gateway	= daddr;
 	rth->rt_spec_dst= spec_dst;
-	rth->u.dst.input= ip_local_deliver;
+	rth->dst.input= ip_local_deliver;
 	rth->rt_flags 	= flags|RTCF_LOCAL;
 	if (res.type == RTN_UNREACHABLE) {
-		rth->u.dst.input= ip_error;
-		rth->u.dst.error= -err;
+		rth->dst.input= ip_error;
+		rth->dst.error= -err;
 		rth->rt_flags 	&= ~RTCF_LOCAL;
 	}
 	rth->rt_type	= res.type;
@@ -2291,21 +2291,21 @@ int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 	hash = rt_hash(daddr, saddr, iif, rt_genid(net));
 
 	for (rth = rcu_dereference(rt_hash_table[hash].chain); rth;
-	     rth = rcu_dereference(rth->u.dst.rt_next)) {
+	     rth = rcu_dereference(rth->dst.rt_next)) {
 		if ((((__force u32)rth->fl.fl4_dst ^ (__force u32)daddr) |
 		     ((__force u32)rth->fl.fl4_src ^ (__force u32)saddr) |
 		     (rth->fl.iif ^ iif) |
 		     rth->fl.oif |
 		     (rth->fl.fl4_tos ^ tos)) == 0 &&
 		    rth->fl.mark == skb->mark &&
-		    net_eq(dev_net(rth->u.dst.dev), net) &&
+		    net_eq(dev_net(rth->dst.dev), net) &&
 		    !rt_is_expired(rth)) {
 			if (noref) {
-				dst_use_noref(&rth->u.dst, jiffies);
-				skb_dst_set_noref(skb, &rth->u.dst);
+				dst_use_noref(&rth->dst, jiffies);
+				skb_dst_set_noref(skb, &rth->dst);
 			} else {
-				dst_use(&rth->u.dst, jiffies);
-				skb_dst_set(skb, &rth->u.dst);
+				dst_use(&rth->dst, jiffies);
+				skb_dst_set(skb, &rth->dst);
 			}
 			RT_CACHE_STAT_INC(in_hit);
 			rcu_read_unlock();
@@ -2412,12 +2412,12 @@ static int __mkroute_output(struct rtable **result,
 		goto cleanup;
 	}
 
-	atomic_set(&rth->u.dst.__refcnt, 1);
-	rth->u.dst.flags= DST_HOST;
+	atomic_set(&rth->dst.__refcnt, 1);
+	rth->dst.flags= DST_HOST;
 	if (IN_DEV_CONF_GET(in_dev, NOXFRM))
-		rth->u.dst.flags |= DST_NOXFRM;
+		rth->dst.flags |= DST_NOXFRM;
 	if (IN_DEV_CONF_GET(in_dev, NOPOLICY))
-		rth->u.dst.flags |= DST_NOPOLICY;
+		rth->dst.flags |= DST_NOPOLICY;
 
 	rth->fl.fl4_dst	= oldflp->fl4_dst;
 	rth->fl.fl4_tos	= tos;
@@ -2429,35 +2429,35 @@ static int __mkroute_output(struct rtable **result,
 	rth->rt_iif	= oldflp->oif ? : dev_out->ifindex;
 	/* get references to the devices that are to be hold by the routing
 	   cache entry */
-	rth->u.dst.dev	= dev_out;
+	rth->dst.dev	= dev_out;
 	dev_hold(dev_out);
 	rth->idev	= in_dev_get(dev_out);
 	rth->rt_gateway = fl->fl4_dst;
 	rth->rt_spec_dst= fl->fl4_src;
 
-	rth->u.dst.output=ip_output;
-	rth->u.dst.obsolete = -1;
+	rth->dst.output=ip_output;
+	rth->dst.obsolete = -1;
 	rth->rt_genid = rt_genid(dev_net(dev_out));
 
 	RT_CACHE_STAT_INC(out_slow_tot);
 
 	if (flags & RTCF_LOCAL) {
-		rth->u.dst.input = ip_local_deliver;
+		rth->dst.input = ip_local_deliver;
 		rth->rt_spec_dst = fl->fl4_dst;
 	}
 	if (flags & (RTCF_BROADCAST | RTCF_MULTICAST)) {
 		rth->rt_spec_dst = fl->fl4_src;
 		if (flags & RTCF_LOCAL &&
 		    !(dev_out->flags & IFF_LOOPBACK)) {
-			rth->u.dst.output = ip_mc_output;
+			rth->dst.output = ip_mc_output;
 			RT_CACHE_STAT_INC(out_slow_mc);
 		}
 #ifdef CONFIG_IP_MROUTE
 		if (res->type == RTN_MULTICAST) {
 			if (IN_DEV_MFORWARD(in_dev) &&
 			    !ipv4_is_local_multicast(oldflp->fl4_dst)) {
-				rth->u.dst.input = ip_mr_input;
-				rth->u.dst.output = ip_mc_output;
+				rth->dst.input = ip_mr_input;
+				rth->dst.output = ip_mc_output;
 			}
 		}
 #endif
@@ -2712,7 +2712,7 @@ int __ip_route_output_key(struct net *net, struct rtable **rp,
 
 	rcu_read_lock_bh();
 	for (rth = rcu_dereference_bh(rt_hash_table[hash].chain); rth;
-		rth = rcu_dereference_bh(rth->u.dst.rt_next)) {
+		rth = rcu_dereference_bh(rth->dst.rt_next)) {
 		if (rth->fl.fl4_dst == flp->fl4_dst &&
 		    rth->fl.fl4_src == flp->fl4_src &&
 		    rth->fl.iif == 0 &&
@@ -2720,9 +2720,9 @@ int __ip_route_output_key(struct net *net, struct rtable **rp,
 		    rth->fl.mark == flp->mark &&
 		    !((rth->fl.fl4_tos ^ flp->fl4_tos) &
 			    (IPTOS_RT_MASK | RTO_ONLINK)) &&
-		    net_eq(dev_net(rth->u.dst.dev), net) &&
+		    net_eq(dev_net(rth->dst.dev), net) &&
 		    !rt_is_expired(rth)) {
-			dst_use(&rth->u.dst, jiffies);
+			dst_use(&rth->dst, jiffies);
 			RT_CACHE_STAT_INC(out_hit);
 			rcu_read_unlock_bh();
 			*rp = rth;
@@ -2759,15 +2759,15 @@ static int ipv4_dst_blackhole(struct net *net, struct rtable **rp, struct flowi
 		dst_alloc(&ipv4_dst_blackhole_ops);
 
 	if (rt) {
-		struct dst_entry *new = &rt->u.dst;
+		struct dst_entry *new = &rt->dst;
 
 		atomic_set(&new->__refcnt, 1);
 		new->__use = 1;
 		new->input = dst_discard;
 		new->output = dst_discard;
-		memcpy(new->metrics, ort->u.dst.metrics, RTAX_MAX*sizeof(u32));
+		memcpy(new->metrics, ort->dst.metrics, RTAX_MAX*sizeof(u32));
 
-		new->dev = ort->u.dst.dev;
+		new->dev = ort->dst.dev;
 		if (new->dev)
 			dev_hold(new->dev);
 
@@ -2791,7 +2791,7 @@ static int ipv4_dst_blackhole(struct net *net, struct rtable **rp, struct flowi
 		dst_free(new);
 	}
 
-	dst_release(&(*rp)->u.dst);
+	dst_release(&(*rp)->dst);
 	*rp = rt;
 	return (rt ? 0 : -ENOMEM);
 }
@@ -2861,11 +2861,11 @@ static int rt_fill_info(struct net *net,
 		r->rtm_src_len = 32;
 		NLA_PUT_BE32(skb, RTA_SRC, rt->fl.fl4_src);
 	}
-	if (rt->u.dst.dev)
-		NLA_PUT_U32(skb, RTA_OIF, rt->u.dst.dev->ifindex);
+	if (rt->dst.dev)
+		NLA_PUT_U32(skb, RTA_OIF, rt->dst.dev->ifindex);
 #ifdef CONFIG_NET_CLS_ROUTE
-	if (rt->u.dst.tclassid)
-		NLA_PUT_U32(skb, RTA_FLOW, rt->u.dst.tclassid);
+	if (rt->dst.tclassid)
+		NLA_PUT_U32(skb, RTA_FLOW, rt->dst.tclassid);
 #endif
 	if (rt->fl.iif)
 		NLA_PUT_BE32(skb, RTA_PREFSRC, rt->rt_spec_dst);
@@ -2875,11 +2875,11 @@ static int rt_fill_info(struct net *net,
 	if (rt->rt_dst != rt->rt_gateway)
 		NLA_PUT_BE32(skb, RTA_GATEWAY, rt->rt_gateway);
 
-	if (rtnetlink_put_metrics(skb, rt->u.dst.metrics) < 0)
+	if (rtnetlink_put_metrics(skb, rt->dst.metrics) < 0)
 		goto nla_put_failure;
 
-	error = rt->u.dst.error;
-	expires = rt->u.dst.expires ? rt->u.dst.expires - jiffies : 0;
+	error = rt->dst.error;
+	expires = rt->dst.expires ? rt->dst.expires - jiffies : 0;
 	if (rt->peer) {
 		id = atomic_read(&rt->peer->ip_id_count) & 0xffff;
 		if (rt->peer->tcp_ts_stamp) {
@@ -2911,7 +2911,7 @@ static int rt_fill_info(struct net *net,
 			NLA_PUT_U32(skb, RTA_IIF, rt->fl.iif);
 	}
 
-	if (rtnl_put_cacheinfo(skb, &rt->u.dst, id, ts, tsage,
+	if (rtnl_put_cacheinfo(skb, &rt->dst, id, ts, tsage,
 			       expires, error) < 0)
 		goto nla_put_failure;
 
@@ -2976,8 +2976,8 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
 		local_bh_enable();
 
 		rt = skb_rtable(skb);
-		if (err == 0 && rt->u.dst.error)
-			err = -rt->u.dst.error;
+		if (err == 0 && rt->dst.error)
+			err = -rt->dst.error;
 	} else {
 		struct flowi fl = {
 			.nl_u = {
@@ -2995,7 +2995,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
 	if (err)
 		goto errout_free;
 
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 	if (rtm->rtm_flags & RTM_F_NOTIFY)
 		rt->rt_flags |= RTCF_NOTIFY;
 
@@ -3031,12 +3031,12 @@ int ip_rt_dump(struct sk_buff *skb,  struct netlink_callback *cb)
 			continue;
 		rcu_read_lock_bh();
 		for (rt = rcu_dereference_bh(rt_hash_table[h].chain), idx = 0; rt;
-		     rt = rcu_dereference_bh(rt->u.dst.rt_next), idx++) {
-			if (!net_eq(dev_net(rt->u.dst.dev), net) || idx < s_idx)
+		     rt = rcu_dereference_bh(rt->dst.rt_next), idx++) {
+			if (!net_eq(dev_net(rt->dst.dev), net) || idx < s_idx)
 				continue;
 			if (rt_is_expired(rt))
 				continue;
-			skb_dst_set_noref(skb, &rt->u.dst);
+			skb_dst_set_noref(skb, &rt->dst);
 			if (rt_fill_info(net, skb, NETLINK_CB(cb->skb).pid,
 					 cb->nlh->nlmsg_seq, RTM_NEWROUTE,
 					 1, NLM_F_MULTI) <= 0) {
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 5c48124..02bef6a 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -354,15 +354,15 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 	}
 
 	/* Try to redo what tcp_v4_send_synack did. */
-	req->window_clamp = tp->window_clamp ? :dst_metric(&rt->u.dst, RTAX_WINDOW);
+	req->window_clamp = tp->window_clamp ? :dst_metric(&rt->dst, RTAX_WINDOW);
 
 	tcp_select_initial_window(tcp_full_space(sk), req->mss,
 				  &req->rcv_wnd, &req->window_clamp,
 				  ireq->wscale_ok, &rcv_wscale,
-				  dst_metric(&rt->u.dst, RTAX_INITRWND));
+				  dst_metric(&rt->dst, RTAX_INITRWND));
 
 	ireq->rcv_wscale  = rcv_wscale;
 
-	ret = get_cookie_sock(sk, skb, req, &rt->u.dst);
+	ret = get_cookie_sock(sk, skb, req, &rt->dst);
 out:	return ret;
 }
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7f976af..7f9515c 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -237,7 +237,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 
 	/* OK, now commit destination to socket.  */
 	sk->sk_gso_type = SKB_GSO_TCPV4;
-	sk_setup_caps(sk, &rt->u.dst);
+	sk_setup_caps(sk, &rt->dst);
 
 	if (!tp->write_seq)
 		tp->write_seq = secure_tcp_sequence_number(inet->inet_saddr,
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index eec4ff4..32e0bef 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -914,7 +914,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		    !sock_flag(sk, SOCK_BROADCAST))
 			goto out;
 		if (connected)
-			sk_dst_set(sk, dst_clone(&rt->u.dst));
+			sk_dst_set(sk, dst_clone(&rt->dst));
 	}
 
 	if (msg->msg_flags&MSG_CONFIRM)
@@ -978,7 +978,7 @@ out:
 	return err;
 
 do_confirm:
-	dst_confirm(&rt->u.dst);
+	dst_confirm(&rt->dst);
 	if (!(msg->msg_flags&MSG_PROBE) || len)
 		goto back_from_confirm;
 	err = 0;
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 1705476..3493270 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -37,7 +37,7 @@ static struct dst_entry *xfrm4_dst_lookup(struct net *net, int tos,
 		fl.fl4_src = saddr->a4;
 
 	err = __ip_route_output_key(net, &rt, &fl);
-	dst = &rt->u.dst;
+	dst = &rt->dst;
 	if (err)
 		dst = ERR_PTR(err);
 	return dst;