258 	struct ip_tunnel *tunnel;  in erspan_rcv()  local
270 	tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex,  in erspan_rcv()
274 	if (tunnel) {  in erspan_rcv()
285 		if (tunnel->collect_md) {  in erspan_rcv()
321 		ip_tunnel_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error);  in erspan_rcv()
336 	struct ip_tunnel *tunnel;  in __ipgre_rcv()  local
339 	tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, tpi->flags,  in __ipgre_rcv()
342 	if (tunnel) {  in __ipgre_rcv()
347 		if (tunnel->dev->type != ARPHRD_NONE)  in __ipgre_rcv()
351 		if (tunnel->collect_md) {  in __ipgre_rcv()
362 		ip_tunnel_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error);  in __ipgre_rcv()
434 	struct ip_tunnel *tunnel = netdev_priv(dev);  in __gre_xmit()  local
436 	if (tunnel->parms.o_flags & TUNNEL_SEQ)  in __gre_xmit()
437 		tunnel->o_seqno++;  in __gre_xmit()
440 	gre_build_header(skb, tunnel->tun_hlen,  in __gre_xmit()
441 			 tunnel->parms.o_flags, proto, tunnel->parms.o_key,  in __gre_xmit()
442 			 htonl(tunnel->o_seqno));  in __gre_xmit()
455 	struct ip_tunnel *tunnel = netdev_priv(dev);  in gre_fb_xmit()  local
480 			 (flags & TUNNEL_SEQ) ? htonl(tunnel->o_seqno++) : 0);  in gre_fb_xmit()
493 	struct ip_tunnel *tunnel = netdev_priv(dev);  in erspan_fb_xmit()  local
557 			 proto, 0, htonl(tunnel->o_seqno++));  in erspan_fb_xmit()
594 	struct ip_tunnel *tunnel = netdev_priv(dev);  in ipgre_xmit()  local
600 	if (tunnel->collect_md) {  in ipgre_xmit()
608 				      (tunnel->hlen + sizeof(struct iphdr))))  in ipgre_xmit()
616 		skb_pull(skb, tunnel->hlen + sizeof(struct iphdr));  in ipgre_xmit()
622 		tnl_params = &tunnel->parms.iph;  in ipgre_xmit()
625 	if (gre_handle_offloads(skb, !!(tunnel->parms.o_flags & TUNNEL_CSUM)))  in ipgre_xmit()
640 	struct ip_tunnel *tunnel = netdev_priv(dev);  in erspan_xmit()  local
647 	if (tunnel->collect_md) {  in erspan_xmit()
664 	if (tunnel->erspan_ver == 1) {  in erspan_xmit()
665 		erspan_build_header(skb, ntohl(tunnel->parms.o_key),  in erspan_xmit()
666 				    tunnel->index,  in erspan_xmit()
669 	} else if (tunnel->erspan_ver == 2) {  in erspan_xmit()
670 		erspan_build_header_v2(skb, ntohl(tunnel->parms.o_key),  in erspan_xmit()
671 				       tunnel->dir, tunnel->hwid,  in erspan_xmit()
678 	tunnel->parms.o_flags &= ~TUNNEL_KEY;  in erspan_xmit()
679 	__gre_xmit(skb, dev, &tunnel->parms.iph, proto);  in erspan_xmit()
691 	struct ip_tunnel *tunnel = netdev_priv(dev);  in gre_tap_xmit()  local
696 	if (tunnel->collect_md) {  in gre_tap_xmit()
701 	if (gre_handle_offloads(skb, !!(tunnel->parms.o_flags & TUNNEL_CSUM)))  in gre_tap_xmit()
707 	__gre_xmit(skb, dev, &tunnel->parms.iph, htons(ETH_P_TEB));  in gre_tap_xmit()
718 	struct ip_tunnel *tunnel = netdev_priv(dev);  in ipgre_link_update()  local
721 	len = tunnel->tun_hlen;  in ipgre_link_update()
722 	tunnel->tun_hlen = gre_calc_hlen(tunnel->parms.o_flags);  in ipgre_link_update()
723 	len = tunnel->tun_hlen - len;  in ipgre_link_update()
724 	tunnel->hlen = tunnel->hlen + len;  in ipgre_link_update()
730 	if (!(tunnel->parms.o_flags & TUNNEL_SEQ)) {  in ipgre_link_update()
731 		if (!(tunnel->parms.o_flags & TUNNEL_CSUM) ||  in ipgre_link_update()
732 		    tunnel->encap.type == TUNNEL_ENCAP_NONE) {  in ipgre_link_update()
922 	struct ip_tunnel *tunnel;  in __gre_tunnel_init()  local
924 	tunnel = netdev_priv(dev);  in __gre_tunnel_init()
925 	tunnel->tun_hlen = gre_calc_hlen(tunnel->parms.o_flags);  in __gre_tunnel_init()
926 	tunnel->parms.iph.protocol = IPPROTO_GRE;  in __gre_tunnel_init()
928 	tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen;  in __gre_tunnel_init()
933 	if (!(tunnel->parms.o_flags & TUNNEL_SEQ)) {  in __gre_tunnel_init()
938 		if (!(tunnel->parms.o_flags & TUNNEL_CSUM) ||  in __gre_tunnel_init()
939 		    (tunnel->encap.type == TUNNEL_ENCAP_NONE)) {  in __gre_tunnel_init()
953 	struct ip_tunnel *tunnel = netdev_priv(dev);  in ipgre_tunnel_init()  local
954 	struct iphdr *iph = &tunnel->parms.iph;  in ipgre_tunnel_init()
965 	if (iph->daddr && !tunnel->collect_md) {  in ipgre_tunnel_init()
974 	} else if (!tunnel->collect_md) {  in ipgre_tunnel_init()
1238 	struct ip_tunnel *tunnel = netdev_priv(dev);  in erspan_tunnel_init()  local
1240 	tunnel->tun_hlen = 8;  in erspan_tunnel_init()
1241 	tunnel->parms.iph.protocol = IPPROTO_GRE;  in erspan_tunnel_init()
1242 	tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen +  in erspan_tunnel_init()
1243 		       erspan_hdr_len(tunnel->erspan_ver);  in erspan_tunnel_init()