IPVS: Change IPVS data structures to support IPv6 addresses

Introduce new 'af' fields into IPVS data structures for specifying an
entry's address family. Convert IP addresses to be of type union
nf_inet_addr.

Signed-off-by: Julius Volz <juliusv@google.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

18 files changed, 109 insertions, 108 deletions

diff --git a/net/ipv4/ipvs/ip_vs_conn.c b/net/ipv4/ipvs/ip_vs_conn.c
index 44a6872dc24..639d4bc7fc1 100644
--- a/net/ipv4/ipvs/ip_vs_conn.c
+++ b/net/ipv4/ipvs/ip_vs_conn.c
@@ -131,7 +131,7 @@ static inline int ip_vs_conn_hash(struct ip_vs_conn *cp)
 	int ret;
 
 	/* Hash by protocol, client address and port */
-	hash = ip_vs_conn_hashkey(cp->protocol, cp->caddr, cp->cport);
+	hash = ip_vs_conn_hashkey(cp->protocol, cp->caddr.ip, cp->cport);
 
 	ct_write_lock(hash);
 
@@ -162,7 +162,7 @@ static inline int ip_vs_conn_unhash(struct ip_vs_conn *cp)
 	int ret;
 
 	/* unhash it and decrease its reference counter */
-	hash = ip_vs_conn_hashkey(cp->protocol, cp->caddr, cp->cport);
+	hash = ip_vs_conn_hashkey(cp->protocol, cp->caddr.ip, cp->cport);
 
 	ct_write_lock(hash);
 
@@ -197,10 +197,10 @@ static inline struct ip_vs_conn *__ip_vs_conn_in_get
 	ct_read_lock(hash);
 
 	list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
-		if (s_addr==cp->caddr && s_port==cp->cport &&
-		    d_port==cp->vport && d_addr==cp->vaddr &&
+		if (s_addr == cp->caddr.ip && s_port == cp->cport &&
+		    d_port == cp->vport && d_addr == cp->vaddr.ip &&
 		    ((!s_port) ^ (!(cp->flags & IP_VS_CONN_F_NO_CPORT))) &&
-		    protocol==cp->protocol) {
+		    protocol == cp->protocol) {
 			/* HIT */
 			atomic_inc(&cp->refcnt);
 			ct_read_unlock(hash);
@@ -243,10 +243,10 @@ struct ip_vs_conn *ip_vs_ct_in_get
 	ct_read_lock(hash);
 
 	list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
-		if (s_addr==cp->caddr && s_port==cp->cport &&
-		    d_port==cp->vport && d_addr==cp->vaddr &&
+		if (s_addr == cp->caddr.ip && s_port == cp->cport &&
+		    d_port == cp->vport && d_addr == cp->vaddr.ip &&
 		    cp->flags & IP_VS_CONN_F_TEMPLATE &&
-		    protocol==cp->protocol) {
+		    protocol == cp->protocol) {
 			/* HIT */
 			atomic_inc(&cp->refcnt);
 			goto out;
@@ -286,8 +286,8 @@ struct ip_vs_conn *ip_vs_conn_out_get
 	ct_read_lock(hash);
 
 	list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
-		if (d_addr == cp->caddr && d_port == cp->cport &&
-		    s_port == cp->dport && s_addr == cp->daddr &&
+		if (d_addr == cp->caddr.ip && d_port == cp->cport &&
+		    s_port == cp->dport && s_addr == cp->daddr.ip &&
 		    protocol == cp->protocol) {
 			/* HIT */
 			atomic_inc(&cp->refcnt);
@@ -406,9 +406,9 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest)
 		  "d:%u.%u.%u.%u:%d fwd:%c s:%u conn->flags:%X conn->refcnt:%d "
 		  "dest->refcnt:%d\n",
 		  ip_vs_proto_name(cp->protocol),
-		  NIPQUAD(cp->caddr), ntohs(cp->cport),
-		  NIPQUAD(cp->vaddr), ntohs(cp->vport),
-		  NIPQUAD(cp->daddr), ntohs(cp->dport),
+		  NIPQUAD(cp->caddr.ip), ntohs(cp->cport),
+		  NIPQUAD(cp->vaddr.ip), ntohs(cp->vport),
+		  NIPQUAD(cp->daddr.ip), ntohs(cp->dport),
 		  ip_vs_fwd_tag(cp), cp->state,
 		  cp->flags, atomic_read(&cp->refcnt),
 		  atomic_read(&dest->refcnt));
@@ -444,8 +444,8 @@ struct ip_vs_dest *ip_vs_try_bind_dest(struct ip_vs_conn *cp)
 	struct ip_vs_dest *dest;
 
 	if ((cp) && (!cp->dest)) {
-		dest = ip_vs_find_dest(cp->daddr, cp->dport,
-				       cp->vaddr, cp->vport, cp->protocol);
+		dest = ip_vs_find_dest(cp->daddr.ip, cp->dport,
+				       cp->vaddr.ip, cp->vport, cp->protocol);
 		ip_vs_bind_dest(cp, dest);
 		return dest;
 	} else
@@ -468,9 +468,9 @@ static inline void ip_vs_unbind_dest(struct ip_vs_conn *cp)
 		  "d:%u.%u.%u.%u:%d fwd:%c s:%u conn->flags:%X conn->refcnt:%d "
 		  "dest->refcnt:%d\n",
 		  ip_vs_proto_name(cp->protocol),
-		  NIPQUAD(cp->caddr), ntohs(cp->cport),
-		  NIPQUAD(cp->vaddr), ntohs(cp->vport),
-		  NIPQUAD(cp->daddr), ntohs(cp->dport),
+		  NIPQUAD(cp->caddr.ip), ntohs(cp->cport),
+		  NIPQUAD(cp->vaddr.ip), ntohs(cp->vport),
+		  NIPQUAD(cp->daddr.ip), ntohs(cp->dport),
 		  ip_vs_fwd_tag(cp), cp->state,
 		  cp->flags, atomic_read(&cp->refcnt),
 		  atomic_read(&dest->refcnt));
@@ -530,9 +530,9 @@ int ip_vs_check_template(struct ip_vs_conn *ct)
 			  "protocol %s s:%u.%u.%u.%u:%d v:%u.%u.%u.%u:%d "
 			  "-> d:%u.%u.%u.%u:%d\n",
 			  ip_vs_proto_name(ct->protocol),
-			  NIPQUAD(ct->caddr), ntohs(ct->cport),
-			  NIPQUAD(ct->vaddr), ntohs(ct->vport),
-			  NIPQUAD(ct->daddr), ntohs(ct->dport));
+			  NIPQUAD(ct->caddr.ip), ntohs(ct->cport),
+			  NIPQUAD(ct->vaddr.ip), ntohs(ct->vport),
+			  NIPQUAD(ct->daddr.ip), ntohs(ct->dport));
 
 		/*
 		 * Invalidate the connection template
@@ -641,11 +641,11 @@ ip_vs_conn_new(int proto, __be32 caddr, __be16 cport, __be32 vaddr, __be16 vport
 	INIT_LIST_HEAD(&cp->c_list);
 	setup_timer(&cp->timer, ip_vs_conn_expire, (unsigned long)cp);
 	cp->protocol	   = proto;
-	cp->caddr	   = caddr;
+	cp->caddr.ip	   = caddr;
 	cp->cport	   = cport;
-	cp->vaddr	   = vaddr;
+	cp->vaddr.ip	   = vaddr;
 	cp->vport	   = vport;
-	cp->daddr          = daddr;
+	cp->daddr.ip	   = daddr;
 	cp->dport          = dport;
 	cp->flags	   = flags;
 	spin_lock_init(&cp->lock);
@@ -763,9 +763,9 @@ static int ip_vs_conn_seq_show(struct seq_file *seq, void *v)
 		seq_printf(seq,
 			"%-3s %08X %04X %08X %04X %08X %04X %-11s %7lu\n",
 				ip_vs_proto_name(cp->protocol),
-				ntohl(cp->caddr), ntohs(cp->cport),
-				ntohl(cp->vaddr), ntohs(cp->vport),
-				ntohl(cp->daddr), ntohs(cp->dport),
+				ntohl(cp->caddr.ip), ntohs(cp->cport),
+				ntohl(cp->vaddr.ip), ntohs(cp->vport),
+				ntohl(cp->daddr.ip), ntohs(cp->dport),
 				ip_vs_state_name(cp->protocol, cp->state),
 				(cp->timer.expires-jiffies)/HZ);
 	}
@@ -812,9 +812,9 @@ static int ip_vs_conn_sync_seq_show(struct seq_file *seq, void *v)
 		seq_printf(seq,
 			"%-3s %08X %04X %08X %04X %08X %04X %-11s %-6s %7lu\n",
 				ip_vs_proto_name(cp->protocol),
-				ntohl(cp->caddr), ntohs(cp->cport),
-				ntohl(cp->vaddr), ntohs(cp->vport),
-				ntohl(cp->daddr), ntohs(cp->dport),
+				ntohl(cp->caddr.ip), ntohs(cp->cport),
+				ntohl(cp->vaddr.ip), ntohs(cp->vport),
+				ntohl(cp->daddr.ip), ntohs(cp->dport),
 				ip_vs_state_name(cp->protocol, cp->state),
 				ip_vs_origin_name(cp->flags),
 				(cp->timer.expires-jiffies)/HZ);
diff --git a/net/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c
index 9fbf0a6d739..4a54f33b60d 100644
--- a/net/ipv4/ipvs/ip_vs_core.c
+++ b/net/ipv4/ipvs/ip_vs_core.c
@@ -232,14 +232,14 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 						    snet, 0,
 						    iph->daddr,
 						    ports[1],
-						    dest->addr, dest->port,
+						    dest->addr.ip, dest->port,
 						    IP_VS_CONN_F_TEMPLATE,
 						    dest);
 			else
 				ct = ip_vs_conn_new(iph->protocol,
 						    snet, 0,
 						    iph->daddr, 0,
-						    dest->addr, 0,
+						    dest->addr.ip, 0,
 						    IP_VS_CONN_F_TEMPLATE,
 						    dest);
 			if (ct == NULL)
@@ -286,14 +286,14 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 				ct = ip_vs_conn_new(IPPROTO_IP,
 						    snet, 0,
 						    htonl(svc->fwmark), 0,
-						    dest->addr, 0,
+						    dest->addr.ip, 0,
 						    IP_VS_CONN_F_TEMPLATE,
 						    dest);
 			else
 				ct = ip_vs_conn_new(iph->protocol,
 						    snet, 0,
 						    iph->daddr, 0,
-						    dest->addr, 0,
+						    dest->addr.ip, 0,
 						    IP_VS_CONN_F_TEMPLATE,
 						    dest);
 			if (ct == NULL)
@@ -313,7 +313,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 	cp = ip_vs_conn_new(iph->protocol,
 			    iph->saddr, ports[0],
 			    iph->daddr, ports[1],
-			    dest->addr, dport,
+			    dest->addr.ip, dport,
 			    0,
 			    dest);
 	if (cp == NULL) {
@@ -380,7 +380,7 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 	cp = ip_vs_conn_new(iph->protocol,
 			    iph->saddr, pptr[0],
 			    iph->daddr, pptr[1],
-			    dest->addr, dest->port?dest->port:pptr[1],
+			    dest->addr.ip, dest->port ? dest->port : pptr[1],
 			    0,
 			    dest);
 	if (cp == NULL)
@@ -389,9 +389,9 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 	IP_VS_DBG(6, "Schedule fwd:%c c:%u.%u.%u.%u:%u v:%u.%u.%u.%u:%u "
 		  "d:%u.%u.%u.%u:%u conn->flags:%X conn->refcnt:%d\n",
 		  ip_vs_fwd_tag(cp),
-		  NIPQUAD(cp->caddr), ntohs(cp->cport),
-		  NIPQUAD(cp->vaddr), ntohs(cp->vport),
-		  NIPQUAD(cp->daddr), ntohs(cp->dport),
+		  NIPQUAD(cp->caddr.ip), ntohs(cp->cport),
+		  NIPQUAD(cp->vaddr.ip), ntohs(cp->vport),
+		  NIPQUAD(cp->daddr.ip), ntohs(cp->dport),
 		  cp->flags, atomic_read(&cp->refcnt));
 
 	ip_vs_conn_stats(cp, svc);
@@ -526,14 +526,14 @@ void ip_vs_nat_icmp(struct sk_buff *skb, struct ip_vs_protocol *pp,
 	struct iphdr *ciph	 = (struct iphdr *)(icmph + 1);
 
 	if (inout) {
-		iph->saddr = cp->vaddr;
+		iph->saddr = cp->vaddr.ip;
 		ip_send_check(iph);
-		ciph->daddr = cp->vaddr;
+		ciph->daddr = cp->vaddr.ip;
 		ip_send_check(ciph);
 	} else {
-		iph->daddr = cp->daddr;
+		iph->daddr = cp->daddr.ip;
 		ip_send_check(iph);
-		ciph->saddr = cp->daddr;
+		ciph->saddr = cp->daddr.ip;
 		ip_send_check(ciph);
 	}
 
@@ -762,7 +762,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb,
 	/* mangle the packet */
 	if (pp->snat_handler && !pp->snat_handler(skb, pp, cp))
 		goto drop;
-	ip_hdr(skb)->saddr = cp->vaddr;
+	ip_hdr(skb)->saddr = cp->vaddr.ip;
 	ip_send_check(ip_hdr(skb));
 
 	/* For policy routing, packets originating from this
diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c
index ede101eeec1..3f2277b847d 100644
--- a/net/ipv4/ipvs/ip_vs_ctl.c
+++ b/net/ipv4/ipvs/ip_vs_ctl.c
@@ -317,7 +317,8 @@ static int ip_vs_svc_hash(struct ip_vs_service *svc)
 		/*
 		 *  Hash it by <protocol,addr,port> in ip_vs_svc_table
 		 */
-		hash = ip_vs_svc_hashkey(svc->protocol, svc->addr, svc->port);
+		hash = ip_vs_svc_hashkey(svc->protocol, svc->addr.ip,
+					 svc->port);
 		list_add(&svc->s_list, &ip_vs_svc_table[hash]);
 	} else {
 		/*
@@ -373,7 +374,7 @@ __ip_vs_service_get(__u16 protocol, __be32 vaddr, __be16 vport)
 	hash = ip_vs_svc_hashkey(protocol, vaddr, vport);
 
 	list_for_each_entry(svc, &ip_vs_svc_table[hash], s_list){
-		if ((svc->addr == vaddr)
+		if ((svc->addr.ip == vaddr)
 		    && (svc->port == vport)
 		    && (svc->protocol == protocol)) {
 			/* HIT */
@@ -503,7 +504,7 @@ static int ip_vs_rs_hash(struct ip_vs_dest *dest)
 	 *	Hash by proto,addr,port,
 	 *	which are the parameters of the real service.
 	 */
-	hash = ip_vs_rs_hashkey(dest->addr, dest->port);
+	hash = ip_vs_rs_hashkey(dest->addr.ip, dest->port);
 	list_add(&dest->d_list, &ip_vs_rtable[hash]);
 
 	return 1;
@@ -543,7 +544,7 @@ ip_vs_lookup_real_service(__u16 protocol, __be32 daddr, __be16 dport)
 
 	read_lock(&__ip_vs_rs_lock);
 	list_for_each_entry(dest, &ip_vs_rtable[hash], d_list) {
-		if ((dest->addr == daddr)
+		if ((dest->addr.ip == daddr)
 		    && (dest->port == dport)
 		    && ((dest->protocol == protocol) ||
 			dest->vfwmark)) {
@@ -569,7 +570,7 @@ ip_vs_lookup_dest(struct ip_vs_service *svc, __be32 daddr, __be16 dport)
 	 * Find the destination for the given service
 	 */
 	list_for_each_entry(dest, &svc->destinations, n_list) {
-		if ((dest->addr == daddr) && (dest->port == dport)) {
+		if ((dest->addr.ip == daddr) && (dest->port == dport)) {
 			/* HIT */
 			return dest;
 		}
@@ -626,14 +627,14 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, __be32 daddr, __be16 dport)
 		IP_VS_DBG(3, "Destination %u/%u.%u.%u.%u:%u still in trash, "
 			  "dest->refcnt=%d\n",
 			  dest->vfwmark,
-			  NIPQUAD(dest->addr), ntohs(dest->port),
+			  NIPQUAD(dest->addr.ip), ntohs(dest->port),
 			  atomic_read(&dest->refcnt));
-		if (dest->addr == daddr &&
+		if (dest->addr.ip == daddr &&
 		    dest->port == dport &&
 		    dest->vfwmark == svc->fwmark &&
 		    dest->protocol == svc->protocol &&
 		    (svc->fwmark ||
-		     (dest->vaddr == svc->addr &&
+		     (dest->vaddr.ip == svc->addr.ip &&
 		      dest->vport == svc->port))) {
 			/* HIT */
 			return dest;
@@ -646,7 +647,7 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, __be32 daddr, __be16 dport)
 			IP_VS_DBG(3, "Removing destination %u/%u.%u.%u.%u:%u "
 				  "from trash\n",
 				  dest->vfwmark,
-				  NIPQUAD(dest->addr), ntohs(dest->port));
+				  NIPQUAD(dest->addr.ip), ntohs(dest->port));
 			list_del(&dest->n_list);
 			ip_vs_dst_reset(dest);
 			__ip_vs_unbind_svc(dest);
@@ -779,10 +780,10 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest,
 	}
 
 	dest->protocol = svc->protocol;
-	dest->vaddr = svc->addr;
+	dest->vaddr.ip = svc->addr.ip;
 	dest->vport = svc->port;
 	dest->vfwmark = svc->fwmark;
-	dest->addr = udest->addr;
+	dest->addr.ip = udest->addr;
 	dest->port = udest->port;
 
 	atomic_set(&dest->activeconns, 0);
@@ -847,7 +848,7 @@ ip_vs_add_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest)
 			  NIPQUAD(daddr), ntohs(dport),
 			  atomic_read(&dest->refcnt),
 			  dest->vfwmark,
-			  NIPQUAD(dest->vaddr),
+			  NIPQUAD(dest->vaddr.ip),
 			  ntohs(dest->vport));
 		__ip_vs_update_dest(svc, dest, udest);
 
@@ -993,7 +994,7 @@ static void __ip_vs_del_dest(struct ip_vs_dest *dest)
 	} else {
 		IP_VS_DBG(3, "Moving dest %u.%u.%u.%u:%u into trash, "
 			  "dest->refcnt=%d\n",
-			  NIPQUAD(dest->addr), ntohs(dest->port),
+			  NIPQUAD(dest->addr.ip), ntohs(dest->port),
 			  atomic_read(&dest->refcnt));
 		list_add(&dest->n_list, &ip_vs_dest_trash);
 		atomic_inc(&dest->refcnt);
@@ -1101,7 +1102,7 @@ ip_vs_add_service(struct ip_vs_service_user *u, struct ip_vs_service **svc_p)
 	atomic_set(&svc->refcnt, 0);
 
 	svc->protocol = u->protocol;
-	svc->addr = u->addr;
+	svc->addr.ip = u->addr;
 	svc->port = u->port;
 	svc->fwmark = u->fwmark;
 	svc->flags = u->flags;
@@ -1751,7 +1752,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v)
 		if (iter->table == ip_vs_svc_table)
 			seq_printf(seq, "%s  %08X:%04X %s ",
 				   ip_vs_proto_name(svc->protocol),
-				   ntohl(svc->addr),
+				   ntohl(svc->addr.ip),
 				   ntohs(svc->port),
 				   svc->scheduler->name);
 		else
@@ -1768,7 +1769,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v)
 		list_for_each_entry(dest, &svc->destinations, n_list) {
 			seq_printf(seq,
 				   "  -> %08X:%04X      %-7s %-6d %-10d %-10d\n",
-				   ntohl(dest->addr), ntohs(dest->port),
+				   ntohl(dest->addr.ip), ntohs(dest->port),
 				   ip_vs_fwd_name(atomic_read(&dest->conn_flags)),
 				   atomic_read(&dest->weight),
 				   atomic_read(&dest->activeconns),
@@ -2040,7 +2041,7 @@ static void
 ip_vs_copy_service(struct ip_vs_service_entry *dst, struct ip_vs_service *src)
 {
 	dst->protocol = src->protocol;
-	dst->addr = src->addr;
+	dst->addr = src->addr.ip;
 	dst->port = src->port;
 	dst->fwmark = src->fwmark;
 	strlcpy(dst->sched_name, src->scheduler->name, sizeof(dst->sched_name));
@@ -2114,7 +2115,7 @@ __ip_vs_get_dest_entries(const struct ip_vs_get_dests *get,
 			if (count >= get->num_dests)
 				break;
 
-			entry.addr = dest->addr;
+			entry.addr = dest->addr.ip;
 			entry.port = dest->port;
 			entry.conn_flags = atomic_read(&dest->conn_flags);
 			entry.weight = atomic_read(&dest->weight);
diff --git a/net/ipv4/ipvs/ip_vs_dh.c b/net/ipv4/ipvs/ip_vs_dh.c
index fa66824d264..9f9d795dbd7 100644
--- a/net/ipv4/ipvs/ip_vs_dh.c
+++ b/net/ipv4/ipvs/ip_vs_dh.c
@@ -218,7 +218,7 @@ ip_vs_dh_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 	IP_VS_DBG(6, "DH: destination IP address %u.%u.%u.%u "
 		  "--> server %u.%u.%u.%u:%d\n",
 		  NIPQUAD(iph->daddr),
-		  NIPQUAD(dest->addr),
+		  NIPQUAD(dest->addr.ip),
 		  ntohs(dest->port));
 
 	return dest;
diff --git a/net/ipv4/ipvs/ip_vs_ftp.c b/net/ipv4/ipvs/ip_vs_ftp.c
index c1c758e4f73..bfe5d7050a5 100644
--- a/net/ipv4/ipvs/ip_vs_ftp.c
+++ b/net/ipv4/ipvs/ip_vs_ftp.c
@@ -172,17 +172,17 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 
 		IP_VS_DBG(7, "PASV response (%u.%u.%u.%u:%d) -> "
 			  "%u.%u.%u.%u:%d detected\n",
-			  NIPQUAD(from), ntohs(port), NIPQUAD(cp->caddr), 0);
+			  NIPQUAD(from), ntohs(port), NIPQUAD(cp->caddr.ip), 0);
 
 		/*
 		 * Now update or create an connection entry for it
 		 */
 		n_cp = ip_vs_conn_out_get(iph->protocol, from, port,
-					  cp->caddr, 0);
+					  cp->caddr.ip, 0);
 		if (!n_cp) {
 			n_cp = ip_vs_conn_new(IPPROTO_TCP,
-					      cp->caddr, 0,
-					      cp->vaddr, port,
+					      cp->caddr.ip, 0,
+					      cp->vaddr.ip, port,
 					      from, port,
 					      IP_VS_CONN_F_NO_CPORT,
 					      cp->dest);
@@ -196,7 +196,7 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 		/*
 		 * Replace the old passive address with the new one
 		 */
-		from = n_cp->vaddr;
+		from = n_cp->vaddr.ip;
 		port = n_cp->vport;
 		sprintf(buf,"%d,%d,%d,%d,%d,%d", NIPQUAD(from),
 			(ntohs(port)>>8)&255, ntohs(port)&255);
@@ -306,16 +306,16 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
 	 */
 	IP_VS_DBG(7, "protocol %s %u.%u.%u.%u:%d %u.%u.%u.%u:%d\n",
 		  ip_vs_proto_name(iph->protocol),
-		  NIPQUAD(to), ntohs(port), NIPQUAD(cp->vaddr), 0);
+		  NIPQUAD(to), ntohs(port), NIPQUAD(cp->vaddr.ip), 0);
 
 	n_cp = ip_vs_conn_in_get(iph->protocol,
 				 to, port,
-				 cp->vaddr, htons(ntohs(cp->vport)-1));
+				 cp->vaddr.ip, htons(ntohs(cp->vport)-1));
 	if (!n_cp) {
 		n_cp = ip_vs_conn_new(IPPROTO_TCP,
 				      to, port,
-				      cp->vaddr, htons(ntohs(cp->vport)-1),
-				      cp->daddr, htons(ntohs(cp->dport)-1),
+				      cp->vaddr.ip, htons(ntohs(cp->vport)-1),
+				      cp->daddr.ip, htons(ntohs(cp->dport)-1),
 				      0,
 				      cp->dest);
 		if (!n_cp)
diff --git a/net/ipv4/ipvs/ip_vs_lblc.c b/net/ipv4/ipvs/ip_vs_lblc.c
index d2a43aa3fe4..69309edc0c4 100644
--- a/net/ipv4/ipvs/ip_vs_lblc.c
+++ b/net/ipv4/ipvs/ip_vs_lblc.c
@@ -422,7 +422,7 @@ __ip_vs_lblc_schedule(struct ip_vs_service *svc, struct iphdr *iph)
 
 	IP_VS_DBG(6, "LBLC: server %d.%d.%d.%d:%d "
 		  "activeconns %d refcnt %d weight %d overhead %d\n",
-		  NIPQUAD(least->addr), ntohs(least->port),
+		  NIPQUAD(least->addr.ip), ntohs(least->port),
 		  atomic_read(&least->activeconns),
 		  atomic_read(&least->refcnt),
 		  atomic_read(&least->weight), loh);
@@ -506,7 +506,7 @@ out:
 	IP_VS_DBG(6, "LBLC: destination IP address %u.%u.%u.%u "
 		  "--> server %u.%u.%u.%u:%d\n",
 		  NIPQUAD(iph->daddr),
-		  NIPQUAD(dest->addr),
+		  NIPQUAD(dest->addr.ip),
 		  ntohs(dest->port));
 
 	return dest;
diff --git a/net/ipv4/ipvs/ip_vs_lblcr.c b/net/ipv4/ipvs/ip_vs_lblcr.c
index 375a1ffb6b6..51c746e2083 100644
--- a/net/ipv4/ipvs/ip_vs_lblcr.c
+++ b/net/ipv4/ipvs/ip_vs_lblcr.c
@@ -204,7 +204,7 @@ static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set)
 
 	IP_VS_DBG(6, "ip_vs_dest_set_min: server %d.%d.%d.%d:%d "
 		  "activeconns %d refcnt %d weight %d overhead %d\n",
-		  NIPQUAD(least->addr), ntohs(least->port),
+		  NIPQUAD(least->addr.ip), ntohs(least->port),
 		  atomic_read(&least->activeconns),
 		  atomic_read(&least->refcnt),
 		  atomic_read(&least->weight), loh);
@@ -250,7 +250,7 @@ static inline struct ip_vs_dest *ip_vs_dest_set_max(struct ip_vs_dest_set *set)
 
 	IP_VS_DBG(6, "ip_vs_dest_set_max: server %d.%d.%d.%d:%d "
 		  "activeconns %d refcnt %d weight %d overhead %d\n",
-		  NIPQUAD(most->addr), ntohs(most->port),
+		  NIPQUAD(most->addr.ip), ntohs(most->port),
 		  atomic_read(&most->activeconns),
 		  atomic_read(&most->refcnt),
 		  atomic_read(&most->weight), moh);
@@ -598,7 +598,7 @@ __ip_vs_lblcr_schedule(struct ip_vs_service *svc, struct iphdr *iph)
 
 	IP_VS_DBG(6, "LBLCR: server %d.%d.%d.%d:%d "
 		  "activeconns %d refcnt %d weight %d overhead %d\n",
-		  NIPQUAD(least->addr), ntohs(least->port),
+		  NIPQUAD(least->addr.ip), ntohs(least->port),
 		  atomic_read(&least->activeconns),
 		  atomic_read(&least->refcnt),
 		  atomic_read(&least->weight), loh);
@@ -706,7 +706,7 @@ out:
 	IP_VS_DBG(6, "LBLCR: destination IP address %u.%u.%u.%u "
 		  "--> server %u.%u.%u.%u:%d\n",
 		  NIPQUAD(iph->daddr),
-		  NIPQUAD(dest->addr),
+		  NIPQUAD(dest->addr.ip),
 		  ntohs(dest->port));
 
 	return dest;
diff --git a/net/ipv4/ipvs/ip_vs_lc.c b/net/ipv4/ipvs/ip_vs_lc.c
index 2c3de1b6351..551d293347f 100644
--- a/net/ipv4/ipvs/ip_vs_lc.c
+++ b/net/ipv4/ipvs/ip_vs_lc.c
@@ -68,7 +68,7 @@ ip_vs_lc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 
 	if (least)
 	IP_VS_DBG(6, "LC: server %u.%u.%u.%u:%u activeconns %d inactconns %d\n",
-		  NIPQUAD(least->addr), ntohs(least->port),
+		  NIPQUAD(least->addr.ip), ntohs(least->port),
 		  atomic_read(&least->activeconns),
 		  atomic_read(&least->inactconns));
 
diff --git a/net/ipv4/ipvs/ip_vs_nq.c b/net/ipv4/ipvs/ip_vs_nq.c
index 5330d5a2de1..aa0e32ad348 100644
--- a/net/ipv4/ipvs/ip_vs_nq.c
+++ b/net/ipv4/ipvs/ip_vs_nq.c
@@ -101,7 +101,7 @@ ip_vs_nq_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
   out:
 	IP_VS_DBG(6, "NQ: server %u.%u.%u.%u:%u "
 		  "activeconns %d refcnt %d weight %d overhead %d\n",
-		  NIPQUAD(least->addr), ntohs(least->port),
+		  NIPQUAD(least->addr.ip), ntohs(least->port),
 		  atomic_read(&least->activeconns),
 		  atomic_read(&least->refcnt),
 		  atomic_read(&least->weight), loh);
diff --git a/net/ipv4/ipvs/ip_vs_proto_tcp.c b/net/ipv4/ipvs/ip_vs_proto_tcp.c
index d0ea467986a..15860e1441b 100644
--- a/net/ipv4/ipvs/ip_vs_proto_tcp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_tcp.c
@@ -147,7 +147,7 @@ tcp_snat_handler(struct sk_buff *skb,
 	/* Adjust TCP checksums */
 	if (!cp->app) {
 		/* Only port and addr are changed, do fast csum update */
-		tcp_fast_csum_update(tcph, cp->daddr, cp->vaddr,
+		tcp_fast_csum_update(tcph, cp->daddr.ip, cp->vaddr.ip,
 				     cp->dport, cp->vport);
 		if (skb->ip_summed == CHECKSUM_COMPLETE)
 			skb->ip_summed = CHECKSUM_NONE;
@@ -155,7 +155,7 @@ tcp_snat_handler(struct sk_buff *skb,
 		/* full checksum calculation */
 		tcph->check = 0;
 		skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0);
-		tcph->check = csum_tcpudp_magic(cp->vaddr, cp->caddr,
+		tcph->check = csum_tcpudp_magic(cp->vaddr.ip, cp->caddr.ip,
 						skb->len - tcphoff,
 						cp->protocol, skb->csum);
 		IP_VS_DBG(11, "O-pkt: %s O-csum=%d (+%zd)\n",
@@ -198,7 +198,7 @@ tcp_dnat_handler(struct sk_buff *skb,
 	 */
 	if (!cp->app) {
 		/* Only port and addr are changed, do fast csum update */
-		tcp_fast_csum_update(tcph, cp->vaddr, cp->daddr,
+		tcp_fast_csum_update(tcph, cp->vaddr.ip, cp->daddr.ip,
 				     cp->vport, cp->dport);
 		if (skb->ip_summed == CHECKSUM_COMPLETE)
 			skb->ip_summed = CHECKSUM_NONE;
@@ -206,7 +206,7 @@ tcp_dnat_handler(struct sk_buff *skb,
 		/* full checksum calculation */
 		tcph->check = 0;
 		skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0);
-		tcph->check = csum_tcpudp_magic(cp->caddr, cp->daddr,
+		tcph->check = csum_tcpudp_magic(cp->caddr.ip, cp->daddr.ip,
 						skb->len - tcphoff,
 						cp->protocol, skb->csum);
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -427,8 +427,8 @@ set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
 			  th->fin? 'F' : '.',
 			  th->ack? 'A' : '.',
 			  th->rst? 'R' : '.',
-			  NIPQUAD(cp->daddr), ntohs(cp->dport),
-			  NIPQUAD(cp->caddr), ntohs(cp->cport),
+			  NIPQUAD(cp->daddr.ip), ntohs(cp->dport),
+			  NIPQUAD(cp->caddr.ip), ntohs(cp->cport),
 			  tcp_state_name(cp->state),
 			  tcp_state_name(new_state),
 			  atomic_read(&cp->refcnt));
@@ -549,8 +549,8 @@ tcp_app_conn_bind(struct ip_vs_conn *cp)
 			IP_VS_DBG(9, "%s: Binding conn %u.%u.%u.%u:%u->"
 				  "%u.%u.%u.%u:%u to app %s on port %u\n",
 				  __func__,
-				  NIPQUAD(cp->caddr), ntohs(cp->cport),
-				  NIPQUAD(cp->vaddr), ntohs(cp->vport),
+				  NIPQUAD(cp->caddr.ip), ntohs(cp->cport),
+				  NIPQUAD(cp->vaddr.ip), ntohs(cp->vport),
 				  inc->name, ntohs(inc->port));
 			cp->app = inc;
 			if (inc->init_conn)
diff --git a/net/ipv4/ipvs/ip_vs_proto_udp.c b/net/ipv4/ipvs/ip_vs_proto_udp.c
index c6be5d56823..8dfad5db829 100644
--- a/net/ipv4/ipvs/ip_vs_proto_udp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_udp.c
@@ -158,7 +158,7 @@ udp_snat_handler(struct sk_buff *skb,
 	 */
 	if (!cp->app && (udph->check != 0)) {
 		/* Only port and addr are changed, do fast csum update */
-		udp_fast_csum_update(udph, cp->daddr, cp->vaddr,
+		udp_fast_csum_update(udph, cp->daddr.ip, cp->vaddr.ip,
 				     cp->dport, cp->vport);
 		if (skb->ip_summed == CHECKSUM_COMPLETE)
 			skb->ip_summed = CHECKSUM_NONE;
@@ -166,7 +166,7 @@ udp_snat_handler(struct sk_buff *skb,
 		/* full checksum calculation */
 		udph->check = 0;
 		skb->csum = skb_checksum(skb, udphoff, skb->len - udphoff, 0);
-		udph->check = csum_tcpudp_magic(cp->vaddr, cp->caddr,
+		udph->check = csum_tcpudp_magic(cp->vaddr.ip, cp->caddr.ip,
 						skb->len - udphoff,
 						cp->protocol, skb->csum);
 		if (udph->check == 0)
@@ -211,7 +211,7 @@ udp_dnat_handler(struct sk_buff *skb,
 	 */
 	if (!cp->app && (udph->check != 0)) {
 		/* Only port and addr are changed, do fast csum update */
-		udp_fast_csum_update(udph, cp->vaddr, cp->daddr,
+		udp_fast_csum_update(udph, cp->vaddr.ip, cp->daddr.ip,
 				     cp->vport, cp->dport);
 		if (skb->ip_summed == CHECKSUM_COMPLETE)
 			skb->ip_summed = CHECKSUM_NONE;
@@ -219,7 +219,7 @@ udp_dnat_handler(struct sk_buff *skb,
 		/* full checksum calculation */
 		udph->check = 0;
 		skb->csum = skb_checksum(skb, udphoff, skb->len - udphoff, 0);
-		udph->check = csum_tcpudp_magic(cp->caddr, cp->daddr,
+		udph->check = csum_tcpudp_magic(cp->caddr.ip, cp->daddr.ip,
 						skb->len - udphoff,
 						cp->protocol, skb->csum);
 		if (udph->check == 0)
@@ -343,8 +343,8 @@ static int udp_app_conn_bind(struct ip_vs_conn *cp)
 			IP_VS_DBG(9, "%s: Binding conn %u.%u.%u.%u:%u->"
 				  "%u.%u.%u.%u:%u to app %s on port %u\n",
 				  __func__,
-				  NIPQUAD(cp->caddr), ntohs(cp->cport),
-				  NIPQUAD(cp->vaddr), ntohs(cp->vport),
+				  NIPQUAD(cp->caddr.ip), ntohs(cp->cport),
+				  NIPQUAD(cp->vaddr.ip), ntohs(cp->vport),
 				  inc->name, ntohs(inc->port));
 			cp->app = inc;
 			if (inc->init_conn)
diff --git a/net/ipv4/ipvs/ip_vs_rr.c b/net/ipv4/ipvs/ip_vs_rr.c
index f7492911753..27f0b624283 100644
--- a/net/ipv4/ipvs/ip_vs_rr.c
+++ b/net/ipv4/ipvs/ip_vs_rr.c
@@ -76,7 +76,7 @@ ip_vs_rr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 	write_unlock(&svc->sched_lock);
 	IP_VS_DBG(6, "RR: server %u.%u.%u.%u:%u "
 		  "activeconns %d refcnt %d weight %d\n",
-		  NIPQUAD(dest->addr), ntohs(dest->port),
+		  NIPQUAD(dest->addr.ip), ntohs(dest->port),
 		  atomic_read(&dest->activeconns),
 		  atomic_read(&dest->refcnt), atomic_read(&dest->weight));
 
diff --git a/net/ipv4/ipvs/ip_vs_sed.c b/net/ipv4/ipvs/ip_vs_sed.c
index 53f73bea66c..38b574b2fdf 100644
--- a/net/ipv4/ipvs/ip_vs_sed.c
+++ b/net/ipv4/ipvs/ip_vs_sed.c
@@ -103,7 +103,7 @@ ip_vs_sed_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 
 	IP_VS_DBG(6, "SED: server %u.%u.%u.%u:%u "
 		  "activeconns %d refcnt %d weight %d overhead %d\n",
-		  NIPQUAD(least->addr), ntohs(least->port),
+		  NIPQUAD(least->addr.ip), ntohs(least->port),
 		  atomic_read(&least->activeconns),
 		  atomic_read(&least->refcnt),
 		  atomic_read(&least->weight), loh);
diff --git a/net/ipv4/ipvs/ip_vs_sh.c b/net/ipv4/ipvs/ip_vs_sh.c
index 7b979e22805..c9e54e2ec29 100644
--- a/net/ipv4/ipvs/ip_vs_sh.c
+++ b/net/ipv4/ipvs/ip_vs_sh.c
@@ -215,7 +215,7 @@ ip_vs_sh_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 	IP_VS_DBG(6, "SH: source IP address %u.%u.%u.%u "
 		  "--> server %u.%u.%u.%u:%d\n",
 		  NIPQUAD(iph->saddr),
-		  NIPQUAD(dest->addr),
+		  NIPQUAD(dest->addr.ip),
 		  ntohs(dest->port));
 
 	return dest;
diff --git a/net/ipv4/ipvs/ip_vs_sync.c b/net/ipv4/ipvs/ip_vs_sync.c
index a652da2c320..2cf47b2e166 100644
--- a/net/ipv4/ipvs/ip_vs_sync.c
+++ b/net/ipv4/ipvs/ip_vs_sync.c
@@ -256,9 +256,9 @@ void ip_vs_sync_conn(struct ip_vs_conn *cp)
 	s->cport = cp->cport;
 	s->vport = cp->vport;
 	s->dport = cp->dport;
-	s->caddr = cp->caddr;
-	s->vaddr = cp->vaddr;
-	s->daddr = cp->daddr;
+	s->caddr = cp->caddr.ip;
+	s->vaddr = cp->vaddr.ip;
+	s->daddr = cp->daddr.ip;
 	s->flags = htons(cp->flags & ~IP_VS_CONN_F_HASHED);
 	s->state = htons(cp->state);
 	if (cp->flags & IP_VS_CONN_F_SEQ_MASK) {
diff --git a/net/ipv4/ipvs/ip_vs_wlc.c b/net/ipv4/ipvs/ip_vs_wlc.c
index df7ad8d7476..09fd993040f 100644
--- a/net/ipv4/ipvs/ip_vs_wlc.c
+++ b/net/ipv4/ipvs/ip_vs_wlc.c
@@ -91,7 +91,7 @@ ip_vs_wlc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 
 	IP_VS_DBG(6, "WLC: server %u.%u.%u.%u:%u "
 		  "activeconns %d refcnt %d weight %d overhead %d\n",
-		  NIPQUAD(least->addr), ntohs(least->port),
+		  NIPQUAD(least->addr.ip), ntohs(least->port),
 		  atomic_read(&least->activeconns),
 		  atomic_read(&least->refcnt),
 		  atomic_read(&least->weight), loh);
diff --git a/net/ipv4/ipvs/ip_vs_wrr.c b/net/ipv4/ipvs/ip_vs_wrr.c
index 0d86a79b87b..19c49b234f3 100644
--- a/net/ipv4/ipvs/ip_vs_wrr.c
+++ b/net/ipv4/ipvs/ip_vs_wrr.c
@@ -197,7 +197,7 @@ ip_vs_wrr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 
 	IP_VS_DBG(6, "WRR: server %u.%u.%u.%u:%u "
 		  "activeconns %d refcnt %d weight %d\n",
-		  NIPQUAD(dest->addr), ntohs(dest->port),
+		  NIPQUAD(dest->addr.ip), ntohs(dest->port),
 		  atomic_read(&dest->activeconns),
 		  atomic_read(&dest->refcnt),
 		  atomic_read(&dest->weight));
diff --git a/net/ipv4/ipvs/ip_vs_xmit.c b/net/ipv4/ipvs/ip_vs_xmit.c
index 9892d4aca42..88199c9f2d3 100644
--- a/net/ipv4/ipvs/ip_vs_xmit.c
+++ b/net/ipv4/ipvs/ip_vs_xmit.c
@@ -71,7 +71,7 @@ __ip_vs_get_out_rt(struct ip_vs_conn *cp, u32 rtos)
 				.oif = 0,
 				.nl_u = {
 					.ip4_u = {
-						.daddr = dest->addr,
+						.daddr = dest->addr.ip,
 						.saddr = 0,
 						.tos = rtos, } },
 			};
@@ -80,12 +80,12 @@ __ip_vs_get_out_rt(struct ip_vs_conn *cp, u32 rtos)
 				spin_unlock(&dest->dst_lock);
 				IP_VS_DBG_RL("ip_route_output error, "
 					     "dest: %u.%u.%u.%u\n",
-					     NIPQUAD(dest->addr));
+					     NIPQUAD(dest->addr.ip));
 				return NULL;
 			}
 			__ip_vs_dst_set(dest, rtos, dst_clone(&rt->u.dst));
 			IP_VS_DBG(10, "new dst %u.%u.%u.%u, refcnt=%d, rtos=%X\n",
-				  NIPQUAD(dest->addr),
+				  NIPQUAD(dest->addr.ip),
 				  atomic_read(&rt->u.dst.__refcnt), rtos);
 		}
 		spin_unlock(&dest->dst_lock);
@@ -94,14 +94,14 @@ __ip_vs_get_out_rt(struct ip_vs_conn *cp, u32 rtos)
 			.oif = 0,
 			.nl_u = {
 				.ip4_u = {
-					.daddr = cp->daddr,
+					.daddr = cp->daddr.ip,
 					.saddr = 0,
 					.tos = rtos, } },
 		};
 
 		if (ip_route_output_key(&init_net, &rt, &fl)) {
 			IP_VS_DBG_RL("ip_route_output error, dest: "
-				     "%u.%u.%u.%u\n", NIPQUAD(cp->daddr));
+				     "%u.%u.%u.%u\n", NIPQUAD(cp->daddr.ip));
 			return NULL;
 		}
 	}
@@ -264,7 +264,7 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	/* mangle the packet */
 	if (pp->dnat_handler && !pp->dnat_handler(skb, pp, cp))
 		goto tx_error;
-	ip_hdr(skb)->daddr = cp->daddr;
+	ip_hdr(skb)->daddr = cp->daddr.ip;
 	ip_send_check(ip_hdr(skb));
 
 	IP_VS_DBG_PKT(10, pp, skb, 0, "After DNAT");