Lines Matching refs:skb
64 static bool ip6_tlvopt_unknown(struct sk_buff *skb, int optoff, in ip6_tlvopt_unknown() argument
78 switch ((skb_network_header(skb)[optoff] & 0xC0) >> 6) { in ip6_tlvopt_unknown()
89 if (ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr)) in ip6_tlvopt_unknown()
93 icmpv6_param_prob_reason(skb, ICMPV6_UNK_OPTION, optoff, in ip6_tlvopt_unknown()
99 kfree_skb_reason(skb, SKB_DROP_REASON_UNHANDLED_PROTO); in ip6_tlvopt_unknown()
103 static bool ipv6_hop_ra(struct sk_buff *skb, int optoff);
104 static bool ipv6_hop_ioam(struct sk_buff *skb, int optoff);
105 static bool ipv6_hop_jumbo(struct sk_buff *skb, int optoff);
106 static bool ipv6_hop_calipso(struct sk_buff *skb, int optoff);
108 static bool ipv6_dest_hao(struct sk_buff *skb, int optoff);
114 struct sk_buff *skb, in ip6_parse_tlv() argument
117 int len = (skb_transport_header(skb)[1] + 1) << 3; in ip6_parse_tlv()
118 const unsigned char *nh = skb_network_header(skb); in ip6_parse_tlv()
119 int off = skb_network_header_len(skb); in ip6_parse_tlv()
129 if (skb_transport_offset(skb) + len > skb_headlen(skb)) in ip6_parse_tlv()
177 if (!ipv6_hop_ra(skb, off)) in ip6_parse_tlv()
181 if (!ipv6_hop_ioam(skb, off)) in ip6_parse_tlv()
185 if (!ipv6_hop_jumbo(skb, off)) in ip6_parse_tlv()
189 if (!ipv6_hop_calipso(skb, off)) in ip6_parse_tlv()
193 if (!ip6_tlvopt_unknown(skb, off, in ip6_parse_tlv()
202 if (!ipv6_dest_hao(skb, off)) in ip6_parse_tlv()
207 if (!ip6_tlvopt_unknown(skb, off, in ip6_parse_tlv()
222 kfree_skb_reason(skb, SKB_DROP_REASON_IP_INHDR); in ip6_parse_tlv()
231 static bool ipv6_dest_hao(struct sk_buff *skb, int optoff) in ipv6_dest_hao() argument
234 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_dest_hao()
235 struct ipv6hdr *ipv6h = ipv6_hdr(skb); in ipv6_dest_hao()
246 hao = (struct ipv6_destopt_hao *)(skb_network_header(skb) + optoff); in ipv6_dest_hao()
262 ret = xfrm6_input_addr(skb, (xfrm_address_t *)&ipv6h->daddr, in ipv6_dest_hao()
269 if (skb_cloned(skb)) { in ipv6_dest_hao()
270 if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) in ipv6_dest_hao()
274 hao = (struct ipv6_destopt_hao *)(skb_network_header(skb) + in ipv6_dest_hao()
276 ipv6h = ipv6_hdr(skb); in ipv6_dest_hao()
279 if (skb->ip_summed == CHECKSUM_COMPLETE) in ipv6_dest_hao()
280 skb->ip_summed = CHECKSUM_NONE; in ipv6_dest_hao()
284 if (skb->tstamp == 0) in ipv6_dest_hao()
285 __net_timestamp(skb); in ipv6_dest_hao()
290 kfree_skb_reason(skb, reason); in ipv6_dest_hao()
295 static int ipv6_destopt_rcv(struct sk_buff *skb) in ipv6_destopt_rcv() argument
297 struct inet6_dev *idev = __in6_dev_get(skb->dev); in ipv6_destopt_rcv()
298 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_destopt_rcv()
302 struct dst_entry *dst = skb_dst(skb); in ipv6_destopt_rcv()
303 struct net *net = dev_net(skb->dev); in ipv6_destopt_rcv()
306 if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) || in ipv6_destopt_rcv()
307 !pskb_may_pull(skb, (skb_transport_offset(skb) + in ipv6_destopt_rcv()
308 ((skb_transport_header(skb)[1] + 1) << 3)))) { in ipv6_destopt_rcv()
312 kfree_skb(skb); in ipv6_destopt_rcv()
316 extlen = (skb_transport_header(skb)[1] + 1) << 3; in ipv6_destopt_rcv()
320 opt->lastopt = opt->dst1 = skb_network_header_len(skb); in ipv6_destopt_rcv()
325 if (ip6_parse_tlv(false, skb, net->ipv6.sysctl.max_dst_opts_cnt)) { in ipv6_destopt_rcv()
326 skb->transport_header += extlen; in ipv6_destopt_rcv()
327 opt = IP6CB(skb); in ipv6_destopt_rcv()
340 static void seg6_update_csum(struct sk_buff *skb) in seg6_update_csum() argument
350 hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb); in seg6_update_csum()
361 update_csum_diff4(skb, from, to); in seg6_update_csum()
365 update_csum_diff16(skb, (__be32 *)(&ipv6_hdr(skb)->daddr), in seg6_update_csum()
369 static int ipv6_srh_rcv(struct sk_buff *skb) in ipv6_srh_rcv() argument
371 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_srh_rcv()
372 struct net *net = dev_net(skb->dev); in ipv6_srh_rcv()
378 hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb); in ipv6_srh_rcv()
380 idev = __in6_dev_get(skb->dev); in ipv6_srh_rcv()
387 kfree_skb(skb); in ipv6_srh_rcv()
392 if (!seg6_hmac_validate_skb(skb)) { in ipv6_srh_rcv()
393 kfree_skb(skb); in ipv6_srh_rcv()
403 skb_postpull_rcsum(skb, skb_network_header(skb), in ipv6_srh_rcv()
404 skb_network_header_len(skb)); in ipv6_srh_rcv()
406 if (!pskb_pull(skb, offset)) { in ipv6_srh_rcv()
407 kfree_skb(skb); in ipv6_srh_rcv()
410 skb_postpull_rcsum(skb, skb_transport_header(skb), in ipv6_srh_rcv()
413 skb_reset_network_header(skb); in ipv6_srh_rcv()
414 skb_reset_transport_header(skb); in ipv6_srh_rcv()
415 skb->encapsulation = 0; in ipv6_srh_rcv()
417 skb->protocol = htons(ETH_P_IP); in ipv6_srh_rcv()
418 __skb_tunnel_rx(skb, skb->dev, net); in ipv6_srh_rcv()
420 netif_rx(skb); in ipv6_srh_rcv()
424 opt->srcrt = skb_network_header_len(skb); in ipv6_srh_rcv()
426 skb->transport_header += (hdr->hdrlen + 1) << 3; in ipv6_srh_rcv()
427 opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb); in ipv6_srh_rcv()
434 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, in ipv6_srh_rcv()
436 skb_network_header(skb))); in ipv6_srh_rcv()
440 if (skb_cloned(skb)) { in ipv6_srh_rcv()
441 if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) { in ipv6_srh_rcv()
442 __IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), in ipv6_srh_rcv()
444 kfree_skb(skb); in ipv6_srh_rcv()
449 hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb); in ipv6_srh_rcv()
454 skb_push(skb, sizeof(struct ipv6hdr)); in ipv6_srh_rcv()
456 if (skb->ip_summed == CHECKSUM_COMPLETE) in ipv6_srh_rcv()
457 seg6_update_csum(skb); in ipv6_srh_rcv()
459 ipv6_hdr(skb)->daddr = *addr; in ipv6_srh_rcv()
461 skb_dst_drop(skb); in ipv6_srh_rcv()
463 ip6_route_input(skb); in ipv6_srh_rcv()
465 if (skb_dst(skb)->error) { in ipv6_srh_rcv()
466 dst_input(skb); in ipv6_srh_rcv()
470 if (skb_dst(skb)->dev->flags & IFF_LOOPBACK) { in ipv6_srh_rcv()
471 if (ipv6_hdr(skb)->hop_limit <= 1) { in ipv6_srh_rcv()
473 icmpv6_send(skb, ICMPV6_TIME_EXCEED, in ipv6_srh_rcv()
475 kfree_skb(skb); in ipv6_srh_rcv()
478 ipv6_hdr(skb)->hop_limit--; in ipv6_srh_rcv()
480 skb_pull(skb, sizeof(struct ipv6hdr)); in ipv6_srh_rcv()
484 dst_input(skb); in ipv6_srh_rcv()
489 static int ipv6_rpl_srh_rcv(struct sk_buff *skb) in ipv6_rpl_srh_rcv() argument
492 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_rpl_srh_rcv()
493 struct net *net = dev_net(skb->dev); in ipv6_rpl_srh_rcv()
502 idev = __in6_dev_get(skb->dev); in ipv6_rpl_srh_rcv()
509 kfree_skb(skb); in ipv6_rpl_srh_rcv()
514 hdr = (struct ipv6_rpl_sr_hdr *)skb_transport_header(skb); in ipv6_rpl_srh_rcv()
520 skb_postpull_rcsum(skb, skb_network_header(skb), in ipv6_rpl_srh_rcv()
521 skb_network_header_len(skb)); in ipv6_rpl_srh_rcv()
523 if (!pskb_pull(skb, offset)) { in ipv6_rpl_srh_rcv()
524 kfree_skb(skb); in ipv6_rpl_srh_rcv()
527 skb_postpull_rcsum(skb, skb_transport_header(skb), in ipv6_rpl_srh_rcv()
530 skb_reset_network_header(skb); in ipv6_rpl_srh_rcv()
531 skb_reset_transport_header(skb); in ipv6_rpl_srh_rcv()
532 skb->encapsulation = 0; in ipv6_rpl_srh_rcv()
534 __skb_tunnel_rx(skb, skb->dev, net); in ipv6_rpl_srh_rcv()
536 netif_rx(skb); in ipv6_rpl_srh_rcv()
540 opt->srcrt = skb_network_header_len(skb); in ipv6_rpl_srh_rcv()
542 skb->transport_header += (hdr->hdrlen + 1) << 3; in ipv6_rpl_srh_rcv()
543 opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb); in ipv6_rpl_srh_rcv()
548 if (!pskb_may_pull(skb, sizeof(*hdr))) { in ipv6_rpl_srh_rcv()
549 kfree_skb(skb); in ipv6_rpl_srh_rcv()
560 kfree_skb(skb); in ipv6_rpl_srh_rcv()
566 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, in ipv6_rpl_srh_rcv()
568 skb_network_header(skb))); in ipv6_rpl_srh_rcv()
572 if (skb_cloned(skb)) { in ipv6_rpl_srh_rcv()
573 if (pskb_expand_head(skb, IPV6_RPL_SRH_WORST_SWAP_SIZE, 0, in ipv6_rpl_srh_rcv()
575 __IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), in ipv6_rpl_srh_rcv()
577 kfree_skb(skb); in ipv6_rpl_srh_rcv()
581 err = skb_cow_head(skb, IPV6_RPL_SRH_WORST_SWAP_SIZE); in ipv6_rpl_srh_rcv()
583 kfree_skb(skb); in ipv6_rpl_srh_rcv()
588 hdr = (struct ipv6_rpl_sr_hdr *)skb_transport_header(skb); in ipv6_rpl_srh_rcv()
590 if (!pskb_may_pull(skb, ipv6_rpl_srh_size(n, hdr->cmpri, in ipv6_rpl_srh_rcv()
592 kfree_skb(skb); in ipv6_rpl_srh_rcv()
601 kfree_skb(skb); in ipv6_rpl_srh_rcv()
606 ipv6_rpl_srh_decompress(ohdr, hdr, &ipv6_hdr(skb)->daddr, n); in ipv6_rpl_srh_rcv()
609 if ((ipv6_addr_type(&ipv6_hdr(skb)->daddr) & IPV6_ADDR_MULTICAST) || in ipv6_rpl_srh_rcv()
611 kfree_skb(skb); in ipv6_rpl_srh_rcv()
618 icmpv6_send(skb, ICMPV6_PARAMPROB, 0, 0); in ipv6_rpl_srh_rcv()
619 kfree_skb(skb); in ipv6_rpl_srh_rcv()
624 swap(ipv6_hdr(skb)->daddr, ohdr->rpl_segaddr[i]); in ipv6_rpl_srh_rcv()
626 ipv6_rpl_srh_compress(chdr, ohdr, &ipv6_hdr(skb)->daddr, n); in ipv6_rpl_srh_rcv()
628 oldhdr = ipv6_hdr(skb); in ipv6_rpl_srh_rcv()
630 skb_pull(skb, ((hdr->hdrlen + 1) << 3)); in ipv6_rpl_srh_rcv()
631 skb_postpull_rcsum(skb, oldhdr, in ipv6_rpl_srh_rcv()
633 skb_push(skb, ((chdr->hdrlen + 1) << 3) + sizeof(struct ipv6hdr)); in ipv6_rpl_srh_rcv()
634 skb_reset_network_header(skb); in ipv6_rpl_srh_rcv()
635 skb_mac_header_rebuild(skb); in ipv6_rpl_srh_rcv()
636 skb_set_transport_header(skb, sizeof(struct ipv6hdr)); in ipv6_rpl_srh_rcv()
638 memmove(ipv6_hdr(skb), oldhdr, sizeof(struct ipv6hdr)); in ipv6_rpl_srh_rcv()
639 memcpy(skb_transport_header(skb), chdr, (chdr->hdrlen + 1) << 3); in ipv6_rpl_srh_rcv()
641 ipv6_hdr(skb)->payload_len = htons(skb->len - sizeof(struct ipv6hdr)); in ipv6_rpl_srh_rcv()
642 skb_postpush_rcsum(skb, ipv6_hdr(skb), in ipv6_rpl_srh_rcv()
647 skb_dst_drop(skb); in ipv6_rpl_srh_rcv()
649 ip6_route_input(skb); in ipv6_rpl_srh_rcv()
651 if (skb_dst(skb)->error) { in ipv6_rpl_srh_rcv()
652 dst_input(skb); in ipv6_rpl_srh_rcv()
656 if (skb_dst(skb)->dev->flags & IFF_LOOPBACK) { in ipv6_rpl_srh_rcv()
657 if (ipv6_hdr(skb)->hop_limit <= 1) { in ipv6_rpl_srh_rcv()
659 icmpv6_send(skb, ICMPV6_TIME_EXCEED, in ipv6_rpl_srh_rcv()
661 kfree_skb(skb); in ipv6_rpl_srh_rcv()
664 ipv6_hdr(skb)->hop_limit--; in ipv6_rpl_srh_rcv()
666 skb_pull(skb, sizeof(struct ipv6hdr)); in ipv6_rpl_srh_rcv()
670 dst_input(skb); in ipv6_rpl_srh_rcv()
680 static int ipv6_rthdr_rcv(struct sk_buff *skb) in ipv6_rthdr_rcv() argument
682 struct inet6_dev *idev = __in6_dev_get(skb->dev); in ipv6_rthdr_rcv()
683 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_rthdr_rcv()
689 struct net *net = dev_net(skb->dev); in ipv6_rthdr_rcv()
695 if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) || in ipv6_rthdr_rcv()
696 !pskb_may_pull(skb, (skb_transport_offset(skb) + in ipv6_rthdr_rcv()
697 ((skb_transport_header(skb)[1] + 1) << 3)))) { in ipv6_rthdr_rcv()
699 kfree_skb(skb); in ipv6_rthdr_rcv()
703 hdr = (struct ipv6_rt_hdr *)skb_transport_header(skb); in ipv6_rthdr_rcv()
705 if (ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr) || in ipv6_rthdr_rcv()
706 skb->pkt_type != PACKET_HOST) { in ipv6_rthdr_rcv()
708 kfree_skb(skb); in ipv6_rthdr_rcv()
715 return ipv6_srh_rcv(skb); in ipv6_rthdr_rcv()
718 return ipv6_rpl_srh_rcv(skb); in ipv6_rthdr_rcv()
734 kfree_skb(skb); in ipv6_rthdr_rcv()
743 opt->lastopt = opt->srcrt = skb_network_header_len(skb); in ipv6_rthdr_rcv()
744 skb->transport_header += (hdr->hdrlen + 1) << 3; in ipv6_rthdr_rcv()
747 opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb); in ipv6_rthdr_rcv()
759 kfree_skb(skb); in ipv6_rthdr_rcv()
777 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, in ipv6_rthdr_rcv()
779 skb_network_header(skb))); in ipv6_rthdr_rcv()
786 if (skb_cloned(skb)) { in ipv6_rthdr_rcv()
788 if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) { in ipv6_rthdr_rcv()
789 __IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), in ipv6_rthdr_rcv()
791 kfree_skb(skb); in ipv6_rthdr_rcv()
794 hdr = (struct ipv6_rt_hdr *)skb_transport_header(skb); in ipv6_rthdr_rcv()
797 if (skb->ip_summed == CHECKSUM_COMPLETE) in ipv6_rthdr_rcv()
798 skb->ip_summed = CHECKSUM_NONE; in ipv6_rthdr_rcv()
809 if (xfrm6_input_addr(skb, (xfrm_address_t *)addr, in ipv6_rthdr_rcv()
810 (xfrm_address_t *)&ipv6_hdr(skb)->saddr, in ipv6_rthdr_rcv()
813 kfree_skb(skb); in ipv6_rthdr_rcv()
816 if (!ipv6_chk_home_addr(dev_net(skb_dst(skb)->dev), addr)) { in ipv6_rthdr_rcv()
818 kfree_skb(skb); in ipv6_rthdr_rcv()
829 kfree_skb(skb); in ipv6_rthdr_rcv()
834 *addr = ipv6_hdr(skb)->daddr; in ipv6_rthdr_rcv()
835 ipv6_hdr(skb)->daddr = daddr; in ipv6_rthdr_rcv()
837 skb_dst_drop(skb); in ipv6_rthdr_rcv()
838 ip6_route_input(skb); in ipv6_rthdr_rcv()
839 if (skb_dst(skb)->error) { in ipv6_rthdr_rcv()
840 skb_push(skb, skb->data - skb_network_header(skb)); in ipv6_rthdr_rcv()
841 dst_input(skb); in ipv6_rthdr_rcv()
845 if (skb_dst(skb)->dev->flags&IFF_LOOPBACK) { in ipv6_rthdr_rcv()
846 if (ipv6_hdr(skb)->hop_limit <= 1) { in ipv6_rthdr_rcv()
848 icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT, in ipv6_rthdr_rcv()
850 kfree_skb(skb); in ipv6_rthdr_rcv()
853 ipv6_hdr(skb)->hop_limit--; in ipv6_rthdr_rcv()
857 skb_push(skb, skb->data - skb_network_header(skb)); in ipv6_rthdr_rcv()
858 dst_input(skb); in ipv6_rthdr_rcv()
863 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, in ipv6_rthdr_rcv()
864 (&hdr->type) - skb_network_header(skb)); in ipv6_rthdr_rcv()
922 static inline struct net *ipv6_skb_net(struct sk_buff *skb) in ipv6_skb_net() argument
924 return skb_dst(skb) ? dev_net(skb_dst(skb)->dev) : dev_net(skb->dev); in ipv6_skb_net()
929 static bool ipv6_hop_ra(struct sk_buff *skb, int optoff) in ipv6_hop_ra() argument
931 const unsigned char *nh = skb_network_header(skb); in ipv6_hop_ra()
934 IP6CB(skb)->flags |= IP6SKB_ROUTERALERT; in ipv6_hop_ra()
935 memcpy(&IP6CB(skb)->ra, nh + optoff + 2, sizeof(IP6CB(skb)->ra)); in ipv6_hop_ra()
940 kfree_skb_reason(skb, SKB_DROP_REASON_IP_INHDR); in ipv6_hop_ra()
946 static bool ipv6_hop_ioam(struct sk_buff *skb, int optoff) in ipv6_hop_ioam() argument
957 if (!__in6_dev_get(skb->dev)->cnf.ioam6_enabled) in ipv6_hop_ioam()
961 hdr = (struct ioam6_hdr *)(skb_network_header(skb) + optoff); in ipv6_hop_ioam()
977 ns = ioam6_namespace(ipv6_skb_net(skb), trace->namespace_id); in ipv6_hop_ioam()
981 if (!skb_valid_dst(skb)) in ipv6_hop_ioam()
982 ip6_route_input(skb); in ipv6_hop_ioam()
984 ioam6_fill_trace_data(skb, ns, trace, true); in ipv6_hop_ioam()
994 kfree_skb_reason(skb, SKB_DROP_REASON_IP_INHDR); in ipv6_hop_ioam()
1000 static bool ipv6_hop_jumbo(struct sk_buff *skb, int optoff) in ipv6_hop_jumbo() argument
1002 const unsigned char *nh = skb_network_header(skb); in ipv6_hop_jumbo()
1015 icmpv6_param_prob_reason(skb, ICMPV6_HDR_FIELD, optoff + 2, in ipv6_hop_jumbo()
1019 if (ipv6_hdr(skb)->payload_len) { in ipv6_hop_jumbo()
1020 icmpv6_param_prob_reason(skb, ICMPV6_HDR_FIELD, optoff, in ipv6_hop_jumbo()
1025 if (pkt_len > skb->len - sizeof(struct ipv6hdr)) { in ipv6_hop_jumbo()
1030 if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr))) in ipv6_hop_jumbo()
1033 IP6CB(skb)->flags |= IP6SKB_JUMBOGRAM; in ipv6_hop_jumbo()
1037 kfree_skb_reason(skb, reason); in ipv6_hop_jumbo()
1043 static bool ipv6_hop_calipso(struct sk_buff *skb, int optoff) in ipv6_hop_calipso() argument
1045 const unsigned char *nh = skb_network_header(skb); in ipv6_hop_calipso()
1053 if (!calipso_validate(skb, nh + optoff)) in ipv6_hop_calipso()
1059 kfree_skb_reason(skb, SKB_DROP_REASON_IP_INHDR); in ipv6_hop_calipso()
1063 int ipv6_parse_hopopts(struct sk_buff *skb) in ipv6_parse_hopopts() argument
1065 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_parse_hopopts()
1066 struct net *net = dev_net(skb->dev); in ipv6_parse_hopopts()
1075 if (!pskb_may_pull(skb, sizeof(struct ipv6hdr) + 8) || in ipv6_parse_hopopts()
1076 !pskb_may_pull(skb, (sizeof(struct ipv6hdr) + in ipv6_parse_hopopts()
1077 ((skb_transport_header(skb)[1] + 1) << 3)))) { in ipv6_parse_hopopts()
1079 kfree_skb(skb); in ipv6_parse_hopopts()
1083 extlen = (skb_transport_header(skb)[1] + 1) << 3; in ipv6_parse_hopopts()
1088 if (ip6_parse_tlv(true, skb, net->ipv6.sysctl.max_hbh_opts_cnt)) { in ipv6_parse_hopopts()
1089 skb->transport_header += extlen; in ipv6_parse_hopopts()
1090 opt = IP6CB(skb); in ipv6_parse_hopopts()
1107 static void ipv6_push_rthdr0(struct sk_buff *skb, u8 *proto, in ipv6_push_rthdr0() argument
1116 phdr = skb_push(skb, (ihdr->rt_hdr.hdrlen + 1) << 3); in ipv6_push_rthdr0()
1132 static void ipv6_push_rthdr4(struct sk_buff *skb, u8 *proto, in ipv6_push_rthdr4() argument
1142 sr_phdr = skb_push(skb, plen); in ipv6_push_rthdr4()
1165 if (skb->dev) in ipv6_push_rthdr4()
1166 net = dev_net(skb->dev); in ipv6_push_rthdr4()
1167 else if (skb->sk) in ipv6_push_rthdr4()
1168 net = sock_net(skb->sk); in ipv6_push_rthdr4()
1181 static void ipv6_push_rthdr(struct sk_buff *skb, u8 *proto, in ipv6_push_rthdr() argument
1189 ipv6_push_rthdr0(skb, proto, opt, addr_p, saddr); in ipv6_push_rthdr()
1192 ipv6_push_rthdr4(skb, proto, opt, addr_p, saddr); in ipv6_push_rthdr()
1199 static void ipv6_push_exthdr(struct sk_buff *skb, u8 *proto, u8 type, struct ipv6_opt_hdr *opt) in ipv6_push_exthdr() argument
1201 struct ipv6_opt_hdr *h = skb_push(skb, ipv6_optlen(opt)); in ipv6_push_exthdr()
1208 void ipv6_push_nfrag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt, in ipv6_push_nfrag_opts() argument
1213 ipv6_push_rthdr(skb, proto, opt->srcrt, daddr, saddr); in ipv6_push_nfrag_opts()
1219 ipv6_push_exthdr(skb, proto, NEXTHDR_DEST, opt->dst0opt); in ipv6_push_nfrag_opts()
1222 ipv6_push_exthdr(skb, proto, NEXTHDR_HOP, opt->hopopt); in ipv6_push_nfrag_opts()
1225 void ipv6_push_frag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt, u8 *proto) in ipv6_push_frag_opts() argument
1228 ipv6_push_exthdr(skb, proto, NEXTHDR_DEST, opt->dst1opt); in ipv6_push_frag_opts()