78 	for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
96 	struct ip6_tnl *t;  in vti6_tnl_lookup()  local
101 		if (ipv6_addr_equal(local, &t->parms.laddr) &&  in vti6_tnl_lookup()
102 		    ipv6_addr_equal(remote, &t->parms.raddr) &&  in vti6_tnl_lookup()
103 		    (t->dev->flags & IFF_UP))  in vti6_tnl_lookup()
104 			return t;  in vti6_tnl_lookup()
110 		if (ipv6_addr_equal(local, &t->parms.laddr) &&  in vti6_tnl_lookup()
111 		    (t->dev->flags & IFF_UP))  in vti6_tnl_lookup()
112 			return t;  in vti6_tnl_lookup()
117 		if (ipv6_addr_equal(remote, &t->parms.raddr) &&  in vti6_tnl_lookup()
118 		    (t->dev->flags & IFF_UP))  in vti6_tnl_lookup()
119 			return t;  in vti6_tnl_lookup()
122 	t = rcu_dereference(ip6n->tnls_wc[0]);  in vti6_tnl_lookup()
123 	if (t && (t->dev->flags & IFF_UP))  in vti6_tnl_lookup()
124 		return t;  in vti6_tnl_lookup()
155 vti6_tnl_link(struct vti6_net *ip6n, struct ip6_tnl *t)  in vti6_tnl_link()  argument
157 	struct ip6_tnl __rcu **tp = vti6_tnl_bucket(ip6n, &t->parms);  in vti6_tnl_link()
159 	rcu_assign_pointer(t->next , rtnl_dereference(*tp));  in vti6_tnl_link()
160 	rcu_assign_pointer(*tp, t);  in vti6_tnl_link()
164 vti6_tnl_unlink(struct vti6_net *ip6n, struct ip6_tnl *t)  in vti6_tnl_unlink()  argument
169 	for (tp = vti6_tnl_bucket(ip6n, &t->parms);  in vti6_tnl_unlink()
172 		if (t == iter) {  in vti6_tnl_unlink()
173 			rcu_assign_pointer(*tp, t->next);  in vti6_tnl_unlink()
187 	struct ip6_tnl *t = netdev_priv(dev);  in vti6_tnl_create2()  local
196 	strcpy(t->parms.name, dev->name);  in vti6_tnl_create2()
200 	vti6_tnl_link(ip6n, t);  in vti6_tnl_create2()
211 	struct ip6_tnl *t;  in vti6_tnl_create()  local
220 	dev = alloc_netdev(sizeof(*t), name, NET_NAME_UNKNOWN, vti6_dev_setup);  in vti6_tnl_create()
226 	t = netdev_priv(dev);  in vti6_tnl_create()
227 	t->parms = *p;  in vti6_tnl_create()
228 	t->net = dev_net(dev);  in vti6_tnl_create()
234 	return t;  in vti6_tnl_create()
262 	struct ip6_tnl *t;  in vti6_locate()  local
266 	     (t = rtnl_dereference(*tp)) != NULL;  in vti6_locate()
267 	     tp = &t->next) {  in vti6_locate()
268 		if (ipv6_addr_equal(local, &t->parms.laddr) &&  in vti6_locate()
269 		    ipv6_addr_equal(remote, &t->parms.raddr)) {  in vti6_locate()
273 			return t;  in vti6_locate()
290 	struct ip6_tnl *t = netdev_priv(dev);  in vti6_dev_uninit()  local
291 	struct vti6_net *ip6n = net_generic(t->net, vti6_net_id);  in vti6_dev_uninit()
296 		vti6_tnl_unlink(ip6n, t);  in vti6_dev_uninit()
302 	struct ip6_tnl *t;  in vti6_rcv()  local
306 	t = vti6_tnl_lookup(dev_net(skb->dev), &ipv6h->saddr, &ipv6h->daddr);  in vti6_rcv()
307 	if (t) {  in vti6_rcv()
308 		if (t->parms.proto != IPPROTO_IPV6 && t->parms.proto != 0) {  in vti6_rcv()
318 		if (!ip6_tnl_rcv_ctl(t, &ipv6h->daddr, &ipv6h->saddr)) {  in vti6_rcv()
319 			t->dev->stats.rx_dropped++;  in vti6_rcv()
324 		XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = t;  in vti6_rcv()
343 	struct ip6_tnl *t = XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6;  in vti6_rcv_cb()  local
347 	if (!t)  in vti6_rcv_cb()
350 	dev = t->dev;  in vti6_rcv_cb()
362 	skb->mark = be32_to_cpu(t->parms.i_key);  in vti6_rcv_cb()
369 	skb_scrub_packet(skb, !net_eq(t->net, dev_net(skb->dev)));  in vti6_rcv_cb()
395 vti6_addr_conflict(const struct ip6_tnl *t, const struct ipv6hdr *hdr)  in vti6_addr_conflict()  argument
397 	return ipv6_addr_equal(&t->parms.raddr, &hdr->saddr);  in vti6_addr_conflict()
432 	struct ip6_tnl *t = netdev_priv(dev);  in vti6_xmit()  local
433 	struct net_device_stats *stats = &t->dev->stats;  in vti6_xmit()
444 	dst = xfrm_lookup(t->net, dst, fl, NULL, 0);  in vti6_xmit()
452 	if (!vti6_state_check(x, &t->parms.raddr, &t->parms.laddr))  in vti6_xmit()
455 	if (!ip6_tnl_xmit_ctl(t, (const struct in6_addr *)&x->props.saddr,  in vti6_xmit()
464 				     t->parms.name);  in vti6_xmit()
468 	skb_scrub_packet(skb, !net_eq(t->net, dev_net(dev)));  in vti6_xmit()
510 	struct ip6_tnl *t = netdev_priv(dev);  in vti6_tnl_xmit()  local
511 	struct net_device_stats *stats = &t->dev->stats;  in vti6_tnl_xmit()
522 		if ((t->parms.proto != IPPROTO_IPV6 && t->parms.proto != 0) ||  in vti6_tnl_xmit()
523 		    vti6_addr_conflict(t, ipv6h))  in vti6_tnl_xmit()
538 	fl.flowi_mark = be32_to_cpu(t->parms.o_key);  in vti6_tnl_xmit()
559 	struct ip6_tnl *t;  in vti6_err()  local
567 	t = vti6_tnl_lookup(dev_net(skb->dev), &iph->daddr, &iph->saddr);  in vti6_err()
568 	if (!t)  in vti6_err()
571 	mark = be32_to_cpu(t->parms.o_key);  in vti6_err()
608 static void vti6_link_config(struct ip6_tnl *t)  in vti6_link_config()  argument
610 	struct net_device *dev = t->dev;  in vti6_link_config()
611 	struct __ip6_tnl_parm *p = &t->parms;  in vti6_link_config()
618 	p->flags |= ip6_tnl_get_cap(t, &p->laddr, &p->raddr);  in vti6_link_config()
635 vti6_tnl_change(struct ip6_tnl *t, const struct __ip6_tnl_parm *p)  in vti6_tnl_change()  argument
637 	t->parms.laddr = p->laddr;  in vti6_tnl_change()
638 	t->parms.raddr = p->raddr;  in vti6_tnl_change()
639 	t->parms.link = p->link;  in vti6_tnl_change()
640 	t->parms.i_key = p->i_key;  in vti6_tnl_change()
641 	t->parms.o_key = p->o_key;  in vti6_tnl_change()
642 	t->parms.proto = p->proto;  in vti6_tnl_change()
643 	ip6_tnl_dst_reset(t);  in vti6_tnl_change()
644 	vti6_link_config(t);  in vti6_tnl_change()
648 static int vti6_update(struct ip6_tnl *t, struct __ip6_tnl_parm *p)  in vti6_update()  argument
650 	struct net *net = dev_net(t->dev);  in vti6_update()
654 	vti6_tnl_unlink(ip6n, t);  in vti6_update()
656 	err = vti6_tnl_change(t, p);  in vti6_update()
657 	vti6_tnl_link(ip6n, t);  in vti6_update()
658 	netdev_state_change(t->dev);  in vti6_update()
721 	struct ip6_tnl *t = NULL;  in vti6_ioctl()  local
733 			t = vti6_locate(net, &p1, 0);  in vti6_ioctl()
737 		if (!t)  in vti6_ioctl()
738 			t = netdev_priv(dev);  in vti6_ioctl()
739 		vti6_parm_to_user(&p, &t->parms);  in vti6_ioctl()
755 		t = vti6_locate(net, &p1, cmd == SIOCADDTUNNEL);  in vti6_ioctl()
757 			if (t) {  in vti6_ioctl()
758 				if (t->dev != dev) {  in vti6_ioctl()
763 				t = netdev_priv(dev);  in vti6_ioctl()
765 			err = vti6_update(t, &p1);  in vti6_ioctl()
767 		if (t) {  in vti6_ioctl()
769 			vti6_parm_to_user(&p, &t->parms);  in vti6_ioctl()
787 			t = vti6_locate(net, &p1, 0);  in vti6_ioctl()
788 			if (!t)  in vti6_ioctl()
791 			if (t->dev == ip6n->fb_tnl_dev)  in vti6_ioctl()
793 			dev = t->dev;  in vti6_ioctl()
858 	struct ip6_tnl *t = netdev_priv(dev);  in vti6_dev_init_gen()  local
860 	t->dev = dev;  in vti6_dev_init_gen()
861 	t->net = dev_net(dev);  in vti6_dev_init_gen()
874 	struct ip6_tnl *t = netdev_priv(dev);  in vti6_dev_init()  local
879 	vti6_link_config(t);  in vti6_dev_init()
891 	struct ip6_tnl *t = netdev_priv(dev);  in vti6_fb_tnl_dev_init()  local
895 	t->parms.proto = IPPROTO_IPV6;  in vti6_fb_tnl_dev_init()
898 	rcu_assign_pointer(ip6n->tnls_wc[0], t);  in vti6_fb_tnl_dev_init()
960 	struct ip6_tnl *t;  in vti6_changelink()  local
970 	t = vti6_locate(net, &p, 0);  in vti6_changelink()
972 	if (t) {  in vti6_changelink()
973 		if (t->dev != dev)  in vti6_changelink()
976 		t = netdev_priv(dev);  in vti6_changelink()
978 	return vti6_update(t, &p);  in vti6_changelink()
1040 	struct ip6_tnl *t;  in vti6_destroy_tunnels()  local
1044 		t = rtnl_dereference(ip6n->tnls_r_l[h]);  in vti6_destroy_tunnels()
1045 		while (t) {  in vti6_destroy_tunnels()
1046 			unregister_netdevice_queue(t->dev, &list);  in vti6_destroy_tunnels()
1047 			t = rtnl_dereference(t->next);  in vti6_destroy_tunnels()
1051 	t = rtnl_dereference(ip6n->tnls_wc[0]);  in vti6_destroy_tunnels()
1052 	unregister_netdevice_queue(t->dev, &list);  in vti6_destroy_tunnels()
1059 	struct ip6_tnl *t = NULL;  in vti6_init_net()  local
1082 	t = netdev_priv(ip6n->fb_tnl_dev);  in vti6_init_net()
1084 	strcpy(t->parms.name, ip6n->fb_tnl_dev->name);  in vti6_init_net()