455 	struct ip6_tnl *tunnel;  in ip6gre_rcv()  local
490 	tunnel = ip6gre_tunnel_lookup(skb->dev,  in ip6gre_rcv()
493 	if (tunnel) {  in ip6gre_rcv()
499 		if (!ip6_tnl_rcv_ctl(tunnel, &ipv6h->daddr, &ipv6h->saddr)) {  in ip6gre_rcv()
500 			tunnel->dev->stats.rx_dropped++;  in ip6gre_rcv()
520 		    (!(flags&GRE_CSUM) && tunnel->parms.i_flags&GRE_CSUM)) {  in ip6gre_rcv()
521 			tunnel->dev->stats.rx_crc_errors++;  in ip6gre_rcv()
522 			tunnel->dev->stats.rx_errors++;  in ip6gre_rcv()
525 		if (tunnel->parms.i_flags&GRE_SEQ) {  in ip6gre_rcv()
527 			    (tunnel->i_seqno &&  in ip6gre_rcv()
528 					(s32)(seqno - tunnel->i_seqno) < 0)) {  in ip6gre_rcv()
529 				tunnel->dev->stats.rx_fifo_errors++;  in ip6gre_rcv()
530 				tunnel->dev->stats.rx_errors++;  in ip6gre_rcv()
533 			tunnel->i_seqno = seqno + 1;  in ip6gre_rcv()
537 		if (tunnel->dev->type == ARPHRD_ETHER) {  in ip6gre_rcv()
539 				tunnel->dev->stats.rx_length_errors++;  in ip6gre_rcv()
540 				tunnel->dev->stats.rx_errors++;  in ip6gre_rcv()
545 			skb->protocol = eth_type_trans(skb, tunnel->dev);  in ip6gre_rcv()
549 		__skb_tunnel_rx(skb, tunnel->dev, tunnel->net);  in ip6gre_rcv()
560 				++tunnel->dev->stats.rx_frame_errors;  in ip6gre_rcv()
561 				++tunnel->dev->stats.rx_errors;  in ip6gre_rcv()
566 		tstats = this_cpu_ptr(tunnel->dev->tstats);  in ip6gre_rcv()
609 	struct ip6_tnl *tunnel = netdev_priv(dev);  in ip6gre_xmit2()  local
610 	struct net *net = tunnel->net;  in ip6gre_xmit2()
618 	struct net_device_stats *stats = &tunnel->dev->stats;  in ip6gre_xmit2()
632 		gre_hlen = tunnel->hlen;  in ip6gre_xmit2()
633 		fl6->daddr = tunnel->parms.raddr;  in ip6gre_xmit2()
637 		dst = ip6_tnl_dst_check(tunnel);  in ip6gre_xmit2()
658 				     tunnel->parms.name);  in ip6gre_xmit2()
677 	if (tunnel->err_count > 0) {  in ip6gre_xmit2()
679 				tunnel->err_time + IP6TUNNEL_ERR_TIMEO)) {  in ip6gre_xmit2()
680 			tunnel->err_count--;  in ip6gre_xmit2()
684 			tunnel->err_count = 0;  in ip6gre_xmit2()
687 	skb_scrub_packet(skb, !net_eq(tunnel->net, dev_net(dev)));  in ip6gre_xmit2()
733 	ipv6h->hop_limit = tunnel->parms.hop_limit;  in ip6gre_xmit2()
738 	((__be16 *)(ipv6h + 1))[0] = tunnel->parms.o_flags;  in ip6gre_xmit2()
743 	if (tunnel->parms.o_flags&(GRE_KEY|GRE_CSUM|GRE_SEQ)) {  in ip6gre_xmit2()
744 		__be32 *ptr = (__be32 *)(((u8 *)ipv6h) + tunnel->hlen - 4);  in ip6gre_xmit2()
746 		if (tunnel->parms.o_flags&GRE_SEQ) {  in ip6gre_xmit2()
747 			++tunnel->o_seqno;  in ip6gre_xmit2()
748 			*ptr = htonl(tunnel->o_seqno);  in ip6gre_xmit2()
751 		if (tunnel->parms.o_flags&GRE_KEY) {  in ip6gre_xmit2()
752 			*ptr = tunnel->parms.o_key;  in ip6gre_xmit2()
755 		if (tunnel->parms.o_flags&GRE_CSUM) {  in ip6gre_xmit2()
766 		ip6_tnl_dst_store(tunnel, ndst);  in ip6gre_xmit2()
1249 	struct ip6_tnl *tunnel;  in ip6gre_tunnel_init()  local
1251 	tunnel = netdev_priv(dev);  in ip6gre_tunnel_init()
1253 	tunnel->dev = dev;  in ip6gre_tunnel_init()
1254 	tunnel->net = dev_net(dev);  in ip6gre_tunnel_init()
1255 	strcpy(tunnel->parms.name, dev->name);  in ip6gre_tunnel_init()
1257 	memcpy(dev->dev_addr, &tunnel->parms.laddr, sizeof(struct in6_addr));  in ip6gre_tunnel_init()
1258 	memcpy(dev->broadcast, &tunnel->parms.raddr, sizeof(struct in6_addr));  in ip6gre_tunnel_init()
1260 	if (ipv6_addr_any(&tunnel->parms.raddr))  in ip6gre_tunnel_init()
1272 	struct ip6_tnl *tunnel = netdev_priv(dev);  in ip6gre_fb_tunnel_init()  local
1274 	tunnel->dev = dev;  in ip6gre_fb_tunnel_init()
1275 	tunnel->net = dev_net(dev);  in ip6gre_fb_tunnel_init()
1276 	strcpy(tunnel->parms.name, dev->name);  in ip6gre_fb_tunnel_init()
1278 	tunnel->hlen		= sizeof(struct ipv6hdr) + 4;  in ip6gre_fb_tunnel_init()
1461 	struct ip6_tnl *tunnel;  in ip6gre_tap_init()  local
1463 	tunnel = netdev_priv(dev);  in ip6gre_tap_init()
1465 	tunnel->dev = dev;  in ip6gre_tap_init()
1466 	tunnel->net = dev_net(dev);  in ip6gre_tap_init()
1467 	strcpy(tunnel->parms.name, dev->name);  in ip6gre_tap_init()
1469 	ip6gre_tnl_link_config(tunnel, 1);  in ip6gre_tap_init()