2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * Redistribution and use in source and binary forms, with or without
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60 #ifndef _USER_IP6_VAR_H_
61 #define _USER_IP6_VAR_H_
63 #if defined(__Userspace_os_Windows)
67 u_int32_t ip6_un1_flow; /* 20 bits of flow-ID */
68 u_int16_t ip6_un1_plen; /* payload length */
69 u_int8_t ip6_un1_nxt; /* next header */
70 u_int8_t ip6_un1_hlim; /* hop limit */
72 u_int8_t ip6_un2_vfc; /* 4 bits version, top 4 bits class */
74 struct in6_addr ip6_src; /* source address */
75 struct in6_addr ip6_dst; /* destination address */
77 #define ip6_vfc ip6_ctlun.ip6_un2_vfc
78 #define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow
79 #define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen
80 #define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt
81 #define ip6_hlim ip6_ctlun.ip6_un1.ip6_un1_hlim
82 #define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim
84 #define IPV6_VERSION 0x60
87 #if defined(__Userspace_os_Windows)
88 #define s6_addr16 u.Word
90 #if !defined(__Userspace_os_Windows)
91 #if !defined(__Userspace_os_Linux)
92 #define s6_addr8 __u6_addr.__u6_addr8
93 #define s6_addr16 __u6_addr.__u6_addr16
94 #define s6_addr32 __u6_addr.__u6_addr32
98 #if !defined(__Userspace_os_FreeBSD) && !defined(__Userspace_os_OpenBSD) && !defined(__Userspace_os_DragonFly)
100 struct rtentry *ro_rt;
101 struct llentry *ro_lle;
102 struct in6_addr *ro_ia6;
104 struct sockaddr_in6 ro_dst;
107 #define IP6_EXTHDR_GET(val, typ, m, off, len) \
111 if ((m)->m_len >= (off) + (len)) \
112 (val) = (typ)(mtod((m), caddr_t) + (off)); \
114 t = m_pulldown((m), (off), (len), &tmp); \
116 KASSERT(t->m_len >= tmp + (len), \
117 ("m_pulldown malfunction")); \
118 (val) = (typ)(mtod(t, caddr_t) + tmp); \
126 #endif /* !_USER_IP6_VAR_H_ */