65 	bool	(*func)(struct sk_buff *skb, int offset);
74 static bool ip6_tlvopt_unknown(struct sk_buff *skb, int optoff,  in ip6_tlvopt_unknown()  argument
88 	switch ((skb_network_header(skb)[optoff] & 0xC0) >> 6) {  in ip6_tlvopt_unknown()
99 		if (ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr))  in ip6_tlvopt_unknown()
103 		icmpv6_param_prob(skb, ICMPV6_UNK_OPTION, optoff);  in ip6_tlvopt_unknown()
108 	kfree_skb(skb);  in ip6_tlvopt_unknown()
115 			  struct sk_buff *skb,  in ip6_parse_tlv()  argument
118 	int len = (skb_transport_header(skb)[1] + 1) << 3;  in ip6_parse_tlv()
119 	const unsigned char *nh = skb_network_header(skb);  in ip6_parse_tlv()
120 	int off = skb_network_header_len(skb);  in ip6_parse_tlv()
131 	if (skb_transport_offset(skb) + len > skb_headlen(skb))  in ip6_parse_tlv()
181 					if (curr->func(skb, off) == false)  in ip6_parse_tlv()
187 			    !ip6_tlvopt_unknown(skb, off, disallow_unknowns))  in ip6_parse_tlv()
199 	kfree_skb(skb);  in ip6_parse_tlv()
208 static bool ipv6_dest_hao(struct sk_buff *skb, int optoff)  in ipv6_dest_hao()  argument
211 	struct inet6_skb_parm *opt = IP6CB(skb);  in ipv6_dest_hao()
212 	struct ipv6hdr *ipv6h = ipv6_hdr(skb);  in ipv6_dest_hao()
222 	hao = (struct ipv6_destopt_hao *)(skb_network_header(skb) + optoff);  in ipv6_dest_hao()
236 	ret = xfrm6_input_addr(skb, (xfrm_address_t *)&ipv6h->daddr,  in ipv6_dest_hao()
241 	if (skb_cloned(skb)) {  in ipv6_dest_hao()
242 		if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC))  in ipv6_dest_hao()
246 		hao = (struct ipv6_destopt_hao *)(skb_network_header(skb) +  in ipv6_dest_hao()
248 		ipv6h = ipv6_hdr(skb);  in ipv6_dest_hao()
251 	if (skb->ip_summed == CHECKSUM_COMPLETE)  in ipv6_dest_hao()
252 		skb->ip_summed = CHECKSUM_NONE;  in ipv6_dest_hao()
256 	if (skb->tstamp == 0)  in ipv6_dest_hao()
257 		__net_timestamp(skb);  in ipv6_dest_hao()
262 	kfree_skb(skb);  in ipv6_dest_hao()
277 static int ipv6_destopt_rcv(struct sk_buff *skb)  in ipv6_destopt_rcv()  argument
279 	struct inet6_dev *idev = __in6_dev_get(skb->dev);  in ipv6_destopt_rcv()
280 	struct inet6_skb_parm *opt = IP6CB(skb);  in ipv6_destopt_rcv()
284 	struct dst_entry *dst = skb_dst(skb);  in ipv6_destopt_rcv()
285 	struct net *net = dev_net(skb->dev);  in ipv6_destopt_rcv()
288 	if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) ||  in ipv6_destopt_rcv()
289 	    !pskb_may_pull(skb, (skb_transport_offset(skb) +  in ipv6_destopt_rcv()
290 				 ((skb_transport_header(skb)[1] + 1) << 3)))) {  in ipv6_destopt_rcv()
294 		kfree_skb(skb);  in ipv6_destopt_rcv()
298 	extlen = (skb_transport_header(skb)[1] + 1) << 3;  in ipv6_destopt_rcv()
302 	opt->lastopt = opt->dst1 = skb_network_header_len(skb);  in ipv6_destopt_rcv()
307 	if (ip6_parse_tlv(tlvprocdestopt_lst, skb,  in ipv6_destopt_rcv()
309 		skb->transport_header += extlen;  in ipv6_destopt_rcv()
310 		opt = IP6CB(skb);  in ipv6_destopt_rcv()
323 static void seg6_update_csum(struct sk_buff *skb)  in seg6_update_csum()  argument
333 	hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb);  in seg6_update_csum()
344 	update_csum_diff4(skb, from, to);  in seg6_update_csum()
348 	update_csum_diff16(skb, (__be32 *)(&ipv6_hdr(skb)->daddr),  in seg6_update_csum()
352 static int ipv6_srh_rcv(struct sk_buff *skb)  in ipv6_srh_rcv()  argument
354 	struct inet6_skb_parm *opt = IP6CB(skb);  in ipv6_srh_rcv()
355 	struct net *net = dev_net(skb->dev);  in ipv6_srh_rcv()
361 	hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb);  in ipv6_srh_rcv()
363 	idev = __in6_dev_get(skb->dev);  in ipv6_srh_rcv()
370 		kfree_skb(skb);  in ipv6_srh_rcv()
375 	if (!seg6_hmac_validate_skb(skb)) {  in ipv6_srh_rcv()
376 		kfree_skb(skb);  in ipv6_srh_rcv()
386 			skb_postpull_rcsum(skb, skb_network_header(skb),  in ipv6_srh_rcv()
387 					   skb_network_header_len(skb));  in ipv6_srh_rcv()
389 			if (!pskb_pull(skb, offset)) {  in ipv6_srh_rcv()
390 				kfree_skb(skb);  in ipv6_srh_rcv()
393 			skb_postpull_rcsum(skb, skb_transport_header(skb),  in ipv6_srh_rcv()
396 			skb_reset_network_header(skb);  in ipv6_srh_rcv()
397 			skb_reset_transport_header(skb);  in ipv6_srh_rcv()
398 			skb->encapsulation = 0;  in ipv6_srh_rcv()
400 			__skb_tunnel_rx(skb, skb->dev, net);  in ipv6_srh_rcv()
402 			netif_rx(skb);  in ipv6_srh_rcv()
406 		opt->srcrt = skb_network_header_len(skb);  in ipv6_srh_rcv()
408 		skb->transport_header += (hdr->hdrlen + 1) << 3;  in ipv6_srh_rcv()
409 		opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb);  in ipv6_srh_rcv()
416 		icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,  in ipv6_srh_rcv()
418 				   skb_network_header(skb)));  in ipv6_srh_rcv()
422 	if (skb_cloned(skb)) {  in ipv6_srh_rcv()
423 		if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {  in ipv6_srh_rcv()
424 			__IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),  in ipv6_srh_rcv()
426 			kfree_skb(skb);  in ipv6_srh_rcv()
431 	hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb);  in ipv6_srh_rcv()
436 	skb_push(skb, sizeof(struct ipv6hdr));  in ipv6_srh_rcv()
438 	if (skb->ip_summed == CHECKSUM_COMPLETE)  in ipv6_srh_rcv()
439 		seg6_update_csum(skb);  in ipv6_srh_rcv()
441 	ipv6_hdr(skb)->daddr = *addr;  in ipv6_srh_rcv()
443 	skb_dst_drop(skb);  in ipv6_srh_rcv()
445 	ip6_route_input(skb);  in ipv6_srh_rcv()
447 	if (skb_dst(skb)->error) {  in ipv6_srh_rcv()
448 		dst_input(skb);  in ipv6_srh_rcv()
452 	if (skb_dst(skb)->dev->flags & IFF_LOOPBACK) {  in ipv6_srh_rcv()
453 		if (ipv6_hdr(skb)->hop_limit <= 1) {  in ipv6_srh_rcv()
455 			icmpv6_send(skb, ICMPV6_TIME_EXCEED,  in ipv6_srh_rcv()
457 			kfree_skb(skb);  in ipv6_srh_rcv()
460 		ipv6_hdr(skb)->hop_limit--;  in ipv6_srh_rcv()
462 		skb_pull(skb, sizeof(struct ipv6hdr));  in ipv6_srh_rcv()
466 	dst_input(skb);  in ipv6_srh_rcv()
471 static int ipv6_rpl_srh_rcv(struct sk_buff *skb)  in ipv6_rpl_srh_rcv()  argument
474 	struct inet6_skb_parm *opt = IP6CB(skb);  in ipv6_rpl_srh_rcv()
475 	struct net *net = dev_net(skb->dev);  in ipv6_rpl_srh_rcv()
485 	idev = __in6_dev_get(skb->dev);  in ipv6_rpl_srh_rcv()
492 		kfree_skb(skb);  in ipv6_rpl_srh_rcv()
497 	hdr = (struct ipv6_rpl_sr_hdr *)skb_transport_header(skb);  in ipv6_rpl_srh_rcv()
503 			skb_postpull_rcsum(skb, skb_network_header(skb),  in ipv6_rpl_srh_rcv()
504 					   skb_network_header_len(skb));  in ipv6_rpl_srh_rcv()
506 			if (!pskb_pull(skb, offset)) {  in ipv6_rpl_srh_rcv()
507 				kfree_skb(skb);  in ipv6_rpl_srh_rcv()
510 			skb_postpull_rcsum(skb, skb_transport_header(skb),  in ipv6_rpl_srh_rcv()
513 			skb_reset_network_header(skb);  in ipv6_rpl_srh_rcv()
514 			skb_reset_transport_header(skb);  in ipv6_rpl_srh_rcv()
515 			skb->encapsulation = 0;  in ipv6_rpl_srh_rcv()
517 			__skb_tunnel_rx(skb, skb->dev, net);  in ipv6_rpl_srh_rcv()
519 			netif_rx(skb);  in ipv6_rpl_srh_rcv()
523 		opt->srcrt = skb_network_header_len(skb);  in ipv6_rpl_srh_rcv()
525 		skb->transport_header += (hdr->hdrlen + 1) << 3;  in ipv6_rpl_srh_rcv()
526 		opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb);  in ipv6_rpl_srh_rcv()
531 	if (!pskb_may_pull(skb, sizeof(*hdr))) {  in ipv6_rpl_srh_rcv()
532 		kfree_skb(skb);  in ipv6_rpl_srh_rcv()
543 		kfree_skb(skb);  in ipv6_rpl_srh_rcv()
549 		icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,  in ipv6_rpl_srh_rcv()
551 				   skb_network_header(skb)));  in ipv6_rpl_srh_rcv()
555 	if (skb_cloned(skb)) {  in ipv6_rpl_srh_rcv()
556 		if (pskb_expand_head(skb, IPV6_RPL_SRH_WORST_SWAP_SIZE, 0,  in ipv6_rpl_srh_rcv()
558 			__IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),  in ipv6_rpl_srh_rcv()
560 			kfree_skb(skb);  in ipv6_rpl_srh_rcv()
564 		err = skb_cow_head(skb, IPV6_RPL_SRH_WORST_SWAP_SIZE);  in ipv6_rpl_srh_rcv()
566 			kfree_skb(skb);  in ipv6_rpl_srh_rcv()
571 	hdr = (struct ipv6_rpl_sr_hdr *)skb_transport_header(skb);  in ipv6_rpl_srh_rcv()
573 	if (!pskb_may_pull(skb, ipv6_rpl_srh_size(n, hdr->cmpri,  in ipv6_rpl_srh_rcv()
575 		kfree_skb(skb);  in ipv6_rpl_srh_rcv()
584 		kfree_skb(skb);  in ipv6_rpl_srh_rcv()
589 	ipv6_rpl_srh_decompress(ohdr, hdr, &ipv6_hdr(skb)->daddr, n);  in ipv6_rpl_srh_rcv()
592 	if ((ipv6_addr_type(&ipv6_hdr(skb)->daddr) & IPV6_ADDR_MULTICAST) ||  in ipv6_rpl_srh_rcv()
594 		kfree_skb(skb);  in ipv6_rpl_srh_rcv()
601 		icmpv6_send(skb, ICMPV6_PARAMPROB, 0, 0);  in ipv6_rpl_srh_rcv()
602 		kfree_skb(skb);  in ipv6_rpl_srh_rcv()
607 	addr = ipv6_hdr(skb)->daddr;  in ipv6_rpl_srh_rcv()
608 	ipv6_hdr(skb)->daddr = ohdr->rpl_segaddr[i];  in ipv6_rpl_srh_rcv()
611 	ipv6_rpl_srh_compress(chdr, ohdr, &ipv6_hdr(skb)->daddr, n);  in ipv6_rpl_srh_rcv()
613 	oldhdr = ipv6_hdr(skb);  in ipv6_rpl_srh_rcv()
615 	skb_pull(skb, ((hdr->hdrlen + 1) << 3));  in ipv6_rpl_srh_rcv()
616 	skb_postpull_rcsum(skb, oldhdr,  in ipv6_rpl_srh_rcv()
618 	skb_push(skb, ((chdr->hdrlen + 1) << 3) + sizeof(struct ipv6hdr));  in ipv6_rpl_srh_rcv()
619 	skb_reset_network_header(skb);  in ipv6_rpl_srh_rcv()
620 	skb_mac_header_rebuild(skb);  in ipv6_rpl_srh_rcv()
621 	skb_set_transport_header(skb, sizeof(struct ipv6hdr));  in ipv6_rpl_srh_rcv()
623 	memmove(ipv6_hdr(skb), oldhdr, sizeof(struct ipv6hdr));  in ipv6_rpl_srh_rcv()
624 	memcpy(skb_transport_header(skb), chdr, (chdr->hdrlen + 1) << 3);  in ipv6_rpl_srh_rcv()
626 	ipv6_hdr(skb)->payload_len = htons(skb->len - sizeof(struct ipv6hdr));  in ipv6_rpl_srh_rcv()
627 	skb_postpush_rcsum(skb, ipv6_hdr(skb),  in ipv6_rpl_srh_rcv()
632 	skb_dst_drop(skb);  in ipv6_rpl_srh_rcv()
634 	ip6_route_input(skb);  in ipv6_rpl_srh_rcv()
636 	if (skb_dst(skb)->error) {  in ipv6_rpl_srh_rcv()
637 		dst_input(skb);  in ipv6_rpl_srh_rcv()
641 	if (skb_dst(skb)->dev->flags & IFF_LOOPBACK) {  in ipv6_rpl_srh_rcv()
642 		if (ipv6_hdr(skb)->hop_limit <= 1) {  in ipv6_rpl_srh_rcv()
644 			icmpv6_send(skb, ICMPV6_TIME_EXCEED,  in ipv6_rpl_srh_rcv()
646 			kfree_skb(skb);  in ipv6_rpl_srh_rcv()
649 		ipv6_hdr(skb)->hop_limit--;  in ipv6_rpl_srh_rcv()
651 		skb_pull(skb, sizeof(struct ipv6hdr));  in ipv6_rpl_srh_rcv()
655 	dst_input(skb);  in ipv6_rpl_srh_rcv()
665 static int ipv6_rthdr_rcv(struct sk_buff *skb)  in ipv6_rthdr_rcv()  argument
667 	struct inet6_dev *idev = __in6_dev_get(skb->dev);  in ipv6_rthdr_rcv()
668 	struct inet6_skb_parm *opt = IP6CB(skb);  in ipv6_rthdr_rcv()
674 	struct net *net = dev_net(skb->dev);  in ipv6_rthdr_rcv()
677 	idev = __in6_dev_get(skb->dev);  in ipv6_rthdr_rcv()
681 	if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) ||  in ipv6_rthdr_rcv()
682 	    !pskb_may_pull(skb, (skb_transport_offset(skb) +  in ipv6_rthdr_rcv()
683 				 ((skb_transport_header(skb)[1] + 1) << 3)))) {  in ipv6_rthdr_rcv()
685 		kfree_skb(skb);  in ipv6_rthdr_rcv()
689 	hdr = (struct ipv6_rt_hdr *)skb_transport_header(skb);  in ipv6_rthdr_rcv()
691 	if (ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr) ||  in ipv6_rthdr_rcv()
692 	    skb->pkt_type != PACKET_HOST) {  in ipv6_rthdr_rcv()
694 		kfree_skb(skb);  in ipv6_rthdr_rcv()
701 		return ipv6_srh_rcv(skb);  in ipv6_rthdr_rcv()
704 		return ipv6_rpl_srh_rcv(skb);  in ipv6_rthdr_rcv()
720 				kfree_skb(skb);  in ipv6_rthdr_rcv()
729 		opt->lastopt = opt->srcrt = skb_network_header_len(skb);  in ipv6_rthdr_rcv()
730 		skb->transport_header += (hdr->hdrlen + 1) << 3;  in ipv6_rthdr_rcv()
733 		opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb);  in ipv6_rthdr_rcv()
745 			kfree_skb(skb);  in ipv6_rthdr_rcv()
763 		icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,  in ipv6_rthdr_rcv()
765 				   skb_network_header(skb)));  in ipv6_rthdr_rcv()
772 	if (skb_cloned(skb)) {  in ipv6_rthdr_rcv()
774 		if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {  in ipv6_rthdr_rcv()
775 			__IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),  in ipv6_rthdr_rcv()
777 			kfree_skb(skb);  in ipv6_rthdr_rcv()
780 		hdr = (struct ipv6_rt_hdr *)skb_transport_header(skb);  in ipv6_rthdr_rcv()
783 	if (skb->ip_summed == CHECKSUM_COMPLETE)  in ipv6_rthdr_rcv()
784 		skb->ip_summed = CHECKSUM_NONE;  in ipv6_rthdr_rcv()
795 		if (xfrm6_input_addr(skb, (xfrm_address_t *)addr,  in ipv6_rthdr_rcv()
796 				     (xfrm_address_t *)&ipv6_hdr(skb)->saddr,  in ipv6_rthdr_rcv()
799 			kfree_skb(skb);  in ipv6_rthdr_rcv()
802 		if (!ipv6_chk_home_addr(dev_net(skb_dst(skb)->dev), addr)) {  in ipv6_rthdr_rcv()
804 			kfree_skb(skb);  in ipv6_rthdr_rcv()
815 		kfree_skb(skb);  in ipv6_rthdr_rcv()
820 	*addr = ipv6_hdr(skb)->daddr;  in ipv6_rthdr_rcv()
821 	ipv6_hdr(skb)->daddr = daddr;  in ipv6_rthdr_rcv()
823 	skb_dst_drop(skb);  in ipv6_rthdr_rcv()
824 	ip6_route_input(skb);  in ipv6_rthdr_rcv()
825 	if (skb_dst(skb)->error) {  in ipv6_rthdr_rcv()
826 		skb_push(skb, skb->data - skb_network_header(skb));  in ipv6_rthdr_rcv()
827 		dst_input(skb);  in ipv6_rthdr_rcv()
831 	if (skb_dst(skb)->dev->flags&IFF_LOOPBACK) {  in ipv6_rthdr_rcv()
832 		if (ipv6_hdr(skb)->hop_limit <= 1) {  in ipv6_rthdr_rcv()
834 			icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT,  in ipv6_rthdr_rcv()
836 			kfree_skb(skb);  in ipv6_rthdr_rcv()
839 		ipv6_hdr(skb)->hop_limit--;  in ipv6_rthdr_rcv()
843 	skb_push(skb, skb->data - skb_network_header(skb));  in ipv6_rthdr_rcv()
844 	dst_input(skb);  in ipv6_rthdr_rcv()
849 	icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,  in ipv6_rthdr_rcv()
850 			  (&hdr->type) - skb_network_header(skb));  in ipv6_rthdr_rcv()
908 static inline struct inet6_dev *ipv6_skb_idev(struct sk_buff *skb)  in ipv6_skb_idev()  argument
910 	return skb_dst(skb) ? ip6_dst_idev(skb_dst(skb)) : __in6_dev_get(skb->dev);  in ipv6_skb_idev()
913 static inline struct net *ipv6_skb_net(struct sk_buff *skb)  in ipv6_skb_net()  argument
915 	return skb_dst(skb) ? dev_net(skb_dst(skb)->dev) : dev_net(skb->dev);  in ipv6_skb_net()
920 static bool ipv6_hop_ra(struct sk_buff *skb, int optoff)  in ipv6_hop_ra()  argument
922 	const unsigned char *nh = skb_network_header(skb);  in ipv6_hop_ra()
925 		IP6CB(skb)->flags |= IP6SKB_ROUTERALERT;  in ipv6_hop_ra()
926 		memcpy(&IP6CB(skb)->ra, nh + optoff + 2, sizeof(IP6CB(skb)->ra));  in ipv6_hop_ra()
931 	kfree_skb(skb);  in ipv6_hop_ra()
937 static bool ipv6_hop_jumbo(struct sk_buff *skb, int optoff)  in ipv6_hop_jumbo()  argument
939 	const unsigned char *nh = skb_network_header(skb);  in ipv6_hop_jumbo()
940 	struct inet6_dev *idev = __in6_dev_get_safely(skb->dev);  in ipv6_hop_jumbo()
941 	struct net *net = ipv6_skb_net(skb);  in ipv6_hop_jumbo()
954 		icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff+2);  in ipv6_hop_jumbo()
957 	if (ipv6_hdr(skb)->payload_len) {  in ipv6_hop_jumbo()
959 		icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff);  in ipv6_hop_jumbo()
963 	if (pkt_len > skb->len - sizeof(struct ipv6hdr)) {  in ipv6_hop_jumbo()
968 	if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr)))  in ipv6_hop_jumbo()
971 	IP6CB(skb)->flags |= IP6SKB_JUMBOGRAM;  in ipv6_hop_jumbo()
975 	kfree_skb(skb);  in ipv6_hop_jumbo()
981 static bool ipv6_hop_calipso(struct sk_buff *skb, int optoff)  in ipv6_hop_calipso()  argument
983 	const unsigned char *nh = skb_network_header(skb);  in ipv6_hop_calipso()
991 	if (!calipso_validate(skb, nh + optoff))  in ipv6_hop_calipso()
997 	kfree_skb(skb);  in ipv6_hop_calipso()
1017 int ipv6_parse_hopopts(struct sk_buff *skb)  in ipv6_parse_hopopts()  argument
1019 	struct inet6_skb_parm *opt = IP6CB(skb);  in ipv6_parse_hopopts()
1020 	struct net *net = dev_net(skb->dev);  in ipv6_parse_hopopts()
1029 	if (!pskb_may_pull(skb, sizeof(struct ipv6hdr) + 8) ||  in ipv6_parse_hopopts()
1030 	    !pskb_may_pull(skb, (sizeof(struct ipv6hdr) +  in ipv6_parse_hopopts()
1031 				 ((skb_transport_header(skb)[1] + 1) << 3)))) {  in ipv6_parse_hopopts()
1033 		kfree_skb(skb);  in ipv6_parse_hopopts()
1037 	extlen = (skb_transport_header(skb)[1] + 1) << 3;  in ipv6_parse_hopopts()
1042 	if (ip6_parse_tlv(tlvprochopopt_lst, skb,  in ipv6_parse_hopopts()
1044 		skb->transport_header += extlen;  in ipv6_parse_hopopts()
1045 		opt = IP6CB(skb);  in ipv6_parse_hopopts()
1062 static void ipv6_push_rthdr0(struct sk_buff *skb, u8 *proto,  in ipv6_push_rthdr0()  argument
1071 	phdr = skb_push(skb, (ihdr->rt_hdr.hdrlen + 1) << 3);  in ipv6_push_rthdr0()
1087 static void ipv6_push_rthdr4(struct sk_buff *skb, u8 *proto,  in ipv6_push_rthdr4()  argument
1097 	sr_phdr = skb_push(skb, plen);  in ipv6_push_rthdr4()
1120 		if (skb->dev)  in ipv6_push_rthdr4()
1121 			net = dev_net(skb->dev);  in ipv6_push_rthdr4()
1122 		else if (skb->sk)  in ipv6_push_rthdr4()
1123 			net = sock_net(skb->sk);  in ipv6_push_rthdr4()
1136 static void ipv6_push_rthdr(struct sk_buff *skb, u8 *proto,  in ipv6_push_rthdr()  argument
1144 		ipv6_push_rthdr0(skb, proto, opt, addr_p, saddr);  in ipv6_push_rthdr()
1147 		ipv6_push_rthdr4(skb, proto, opt, addr_p, saddr);  in ipv6_push_rthdr()
1154 static void ipv6_push_exthdr(struct sk_buff *skb, u8 *proto, u8 type, struct ipv6_opt_hdr *opt)  in ipv6_push_exthdr()  argument
1156 	struct ipv6_opt_hdr *h = skb_push(skb, ipv6_optlen(opt));  in ipv6_push_exthdr()
1163 void ipv6_push_nfrag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt,  in ipv6_push_nfrag_opts()  argument
1168 		ipv6_push_rthdr(skb, proto, opt->srcrt, daddr, saddr);  in ipv6_push_nfrag_opts()
1174 			ipv6_push_exthdr(skb, proto, NEXTHDR_DEST, opt->dst0opt);  in ipv6_push_nfrag_opts()
1177 		ipv6_push_exthdr(skb, proto, NEXTHDR_HOP, opt->hopopt);  in ipv6_push_nfrag_opts()
1180 void ipv6_push_frag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt, u8 *proto)  in ipv6_push_frag_opts()  argument
1183 		ipv6_push_exthdr(skb, proto, NEXTHDR_DEST, opt->dst1opt);  in ipv6_push_frag_opts()