-#ifndef INET6
-/*
- * Same for templates.
- */
-struct tcptemp {
- struct ipovly tt_i; /* overlaid ip structure */
- struct tcphdr tt_t; /* tcp header */
-};
-#define tt_x1 tt_i.ih_x1
-#define tt_pr tt_i.ih_pr
-#define tt_len tt_i.ih_len
-#define tt_src tt_i.ih_src
-#define tt_dst tt_i.ih_dst
-#define tt_sport tt_t.th_sport
-#define tt_dport tt_t.th_dport
-#define tt_off tt_t.th_off
-#define tt_seq tt_t.th_seq
-#define tt_ack tt_t.th_ack
-#define tt_x2 tt_t.th_x2
-#define tt_flags tt_t.th_flags
-#define tt_win tt_t.th_win
-#define tt_sum tt_t.th_sum
-#define tt_urp tt_t.th_urp
-#else
-
-#define ip6tcp tcpip6hdr /* for KAME src sync over BSD*'s */
-
-/*
- * IPv6+TCP headers.
- */
-struct tcpip6hdr {
- struct ip6_hdr ti6_i; /* IPv6 header */
- struct tcphdr ti6_t; /* TCP header */
-};
-#define ti6_vfc ti6_i.ip6_vfc
-#define ti6_flow ti6_i.ip6_vlow
-#define ti6_plen ti6_i.ip6_plen
-#define ti6_nxt ti6_i.ip6_nxt
-#define ti6_hlim ti6_i.ip6_hlim
-#define ti6_src ti6_i.ip6_src
-#define ti6_dst ti6_i.ip6_dst
-#define ti6_sport ti6_t.th_sport
-#define ti6_dport ti6_t.th_dport
-#define ti6_seq ti6_t.th_seq
-#define ti6_ack ti6_t.th_ack
-#define ti6_x2 ti6_t.th_x2
-#define ti6_off ti6_t.th_off
-#define ti6_flags ti6_t.th_flags
-#define ti6_win ti6_t.th_win
-#define ti6_sum ti6_t.th_sum
-#define ti6_urp ti6_t.th_urp
-
-/*
- * Dual template for IPv4/IPv6 TCP.
- *
- * Optimized for IPv4
- */
-struct tcptemp {
- struct ipovly tt_i; /* overlaid ip structure */
- struct tcphdr tt_t; /* tcp header */
- struct ip6_hdr tt_i6; /* IPv6 header */
-};
-#define tt_x1 tt_i.ih_x1
-#define tt_pr tt_i.ih_pr
-#define tt_len tt_i.ih_len
-#define tt_src tt_i.ih_src
-#define tt_dst tt_i.ih_dst
-#define tt_sport tt_t.th_sport
-#define tt_dport tt_t.th_dport
-#define tt_off tt_t.th_off
-#define tt_seq tt_t.th_seq
-#define tt_ack tt_t.th_ack
-#define tt_x2 tt_t.th_x2
-#define tt_flags tt_t.th_flags
-#define tt_win tt_t.th_win
-#define tt_sum tt_t.th_sum
-#define tt_urp tt_t.th_urp
-#define tt_vfc tt_i6.ip6_vfc
-#define tt_flow tt_i6.ip6_flow
-#define tt_pr6 tt_i6.ip6_nxt
-#define tt_len6 tt_i6.ip6_plen
-#define tt_src6 tt_i6.ip6_src
-#define tt_dst6 tt_i6.ip6_dst
-#endif
-