Lines Matching refs:opt
211 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_dest_hao() local
215 if (opt->dsthao) { in ipv6_dest_hao()
219 opt->dsthao = opt->dst1; in ipv6_dest_hao()
220 opt->dst1 = 0; in ipv6_dest_hao()
280 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_destopt_rcv() local
302 opt->lastopt = opt->dst1 = skb_network_header_len(skb); in ipv6_destopt_rcv()
304 dstbuf = opt->dst1; in ipv6_destopt_rcv()
310 opt = IP6CB(skb); in ipv6_destopt_rcv()
312 opt->nhoff = dstbuf; in ipv6_destopt_rcv()
314 opt->nhoff = opt->dst1; in ipv6_destopt_rcv()
354 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_srh_rcv() local
406 opt->srcrt = skb_network_header_len(skb); in ipv6_srh_rcv()
407 opt->lastopt = opt->srcrt; in ipv6_srh_rcv()
409 opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb); in ipv6_srh_rcv()
479 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_rthdr_rcv() local
533 opt->lastopt = opt->srcrt = skb_network_header_len(skb); in ipv6_rthdr_rcv()
535 opt->dst0 = opt->dst1; in ipv6_rthdr_rcv()
536 opt->dst1 = 0; in ipv6_rthdr_rcv()
537 opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb); in ipv6_rthdr_rcv()
823 struct inet6_skb_parm *opt = IP6CB(skb); in ipv6_parse_hopopts() local
845 opt->flags |= IP6SKB_HOPBYHOP; in ipv6_parse_hopopts()
849 opt = IP6CB(skb); in ipv6_parse_hopopts()
850 opt->nhoff = sizeof(struct ipv6hdr); in ipv6_parse_hopopts()
867 struct ipv6_rt_hdr *opt, in ipv6_push_rthdr0() argument
873 ihdr = (struct rt0_hdr *) opt; in ipv6_push_rthdr0()
892 struct ipv6_rt_hdr *opt, in ipv6_push_rthdr4() argument
898 sr_ihdr = (struct ipv6_sr_hdr *)opt; in ipv6_push_rthdr4()
941 struct ipv6_rt_hdr *opt, in ipv6_push_rthdr() argument
944 switch (opt->type) { in ipv6_push_rthdr()
948 ipv6_push_rthdr0(skb, proto, opt, addr_p, saddr); in ipv6_push_rthdr()
951 ipv6_push_rthdr4(skb, proto, opt, addr_p, saddr); in ipv6_push_rthdr()
958 static void ipv6_push_exthdr(struct sk_buff *skb, u8 *proto, u8 type, struct ipv6_opt_hdr *opt) in ipv6_push_exthdr() argument
960 struct ipv6_opt_hdr *h = skb_push(skb, ipv6_optlen(opt)); in ipv6_push_exthdr()
962 memcpy(h, opt, ipv6_optlen(opt)); in ipv6_push_exthdr()
967 void ipv6_push_nfrag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt, in ipv6_push_nfrag_opts() argument
971 if (opt->srcrt) { in ipv6_push_nfrag_opts()
972 ipv6_push_rthdr(skb, proto, opt->srcrt, daddr, saddr); in ipv6_push_nfrag_opts()
977 if (opt->dst0opt) in ipv6_push_nfrag_opts()
978 ipv6_push_exthdr(skb, proto, NEXTHDR_DEST, opt->dst0opt); in ipv6_push_nfrag_opts()
980 if (opt->hopopt) in ipv6_push_nfrag_opts()
981 ipv6_push_exthdr(skb, proto, NEXTHDR_HOP, opt->hopopt); in ipv6_push_nfrag_opts()
984 void ipv6_push_frag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt, u8 *proto) in ipv6_push_frag_opts() argument
986 if (opt->dst1opt) in ipv6_push_frag_opts()
987 ipv6_push_exthdr(skb, proto, NEXTHDR_DEST, opt->dst1opt); in ipv6_push_frag_opts()
992 ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt) in ipv6_dup_options() argument
996 opt2 = sock_kmalloc(sk, opt->tot_len, GFP_ATOMIC); in ipv6_dup_options()
998 long dif = (char *)opt2 - (char *)opt; in ipv6_dup_options()
999 memcpy(opt2, opt, opt->tot_len); in ipv6_dup_options()
1053 ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt, in ipv6_renew_options() argument
1060 if (opt) { in ipv6_renew_options()
1061 if (newtype != IPV6_HOPOPTS && opt->hopopt) in ipv6_renew_options()
1062 tot_len += CMSG_ALIGN(ipv6_optlen(opt->hopopt)); in ipv6_renew_options()
1063 if (newtype != IPV6_RTHDRDSTOPTS && opt->dst0opt) in ipv6_renew_options()
1064 tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst0opt)); in ipv6_renew_options()
1065 if (newtype != IPV6_RTHDR && opt->srcrt) in ipv6_renew_options()
1066 tot_len += CMSG_ALIGN(ipv6_optlen(opt->srcrt)); in ipv6_renew_options()
1067 if (newtype != IPV6_DSTOPTS && opt->dst1opt) in ipv6_renew_options()
1068 tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst1opt)); in ipv6_renew_options()
1088 (opt ? opt->hopopt : NULL), in ipv6_renew_options()
1091 (opt ? opt->dst0opt : NULL), in ipv6_renew_options()
1095 (opt ? (struct ipv6_opt_hdr *)opt->srcrt : NULL), in ipv6_renew_options()
1098 (opt ? opt->dst1opt : NULL), in ipv6_renew_options()
1110 struct ipv6_txoptions *opt) in ipv6_fixup_options()
1116 if (opt && opt->dst0opt && !opt->srcrt) { in ipv6_fixup_options()
1117 if (opt_space != opt) { in ipv6_fixup_options()
1118 memcpy(opt_space, opt, sizeof(*opt_space)); in ipv6_fixup_options()
1119 opt = opt_space; in ipv6_fixup_options()
1121 opt->opt_nflen -= ipv6_optlen(opt->dst0opt); in ipv6_fixup_options()
1122 opt->dst0opt = NULL; in ipv6_fixup_options()
1125 return opt; in ipv6_fixup_options()
1141 const struct ipv6_txoptions *opt, in fl6_update_dst() argument
1144 if (!opt || !opt->srcrt) in fl6_update_dst()
1149 switch (opt->srcrt->type) { in fl6_update_dst()
1153 fl6->daddr = *((struct rt0_hdr *)opt->srcrt)->addr; in fl6_update_dst()
1157 struct ipv6_sr_hdr *srh = (struct ipv6_sr_hdr *)opt->srcrt; in fl6_update_dst()