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authorMike Frysinger <vapier@gentoo.org>2006-03-10 23:40:36 +0000
committerMike Frysinger <vapier@gentoo.org>2006-03-10 23:40:36 +0000
commit729074309d6ce4047db80506488df42c6f62d557 (patch)
tree2c64685785e930b9419125701bd313609ea78098 /include/netinet/ip6.h
parent42c1ad48fa946f00d67d0b023f50e5d6d8fc293f (diff)
sync with glibc
Diffstat (limited to 'include/netinet/ip6.h')
-rw-r--r--include/netinet/ip6.h119
1 files changed, 100 insertions, 19 deletions
diff --git a/include/netinet/ip6.h b/include/netinet/ip6.h
index c6fc2b31c..0ad62f898 100644
--- a/include/netinet/ip6.h
+++ b/include/netinet/ip6.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1997, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1997, 2001, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -47,51 +47,58 @@ struct ip6_hdr
#define ip6_hlim ip6_ctlun.ip6_un1.ip6_un1_hlim
#define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim
+/* Generic extension header. */
+struct ip6_ext
+ {
+ uint8_t ip6e_nxt; /* next header. */
+ uint8_t ip6e_len; /* length in units of 8 octets. */
+ };
+
/* Hop-by-Hop options header. */
struct ip6_hbh
{
- uint8_t ip6h_nxt; /* next hesder. */
- uint8_t ip6h_len; /* length in units of 8 octets. */
+ uint8_t ip6h_nxt; /* next header. */
+ uint8_t ip6h_len; /* length in units of 8 octets. */
/* followed by options */
};
/* Destination options header */
struct ip6_dest
{
- uint8_t ip6d_nxt; /* next header */
- uint8_t ip6d_len; /* length in units of 8 octets */
+ uint8_t ip6d_nxt; /* next header */
+ uint8_t ip6d_len; /* length in units of 8 octets */
/* followed by options */
};
/* Routing header */
struct ip6_rthdr
{
- uint8_t ip6r_nxt; /* next header */
- uint8_t ip6r_len; /* length in units of 8 octets */
- uint8_t ip6r_type; /* routing type */
- uint8_t ip6r_segleft; /* segments left */
+ uint8_t ip6r_nxt; /* next header */
+ uint8_t ip6r_len; /* length in units of 8 octets */
+ uint8_t ip6r_type; /* routing type */
+ uint8_t ip6r_segleft; /* segments left */
/* followed by routing type specific data */
};
/* Type 0 Routing header */
struct ip6_rthdr0
{
- uint8_t ip6r0_nxt; /* next header */
- uint8_t ip6r0_len; /* length in units of 8 octets */
- uint8_t ip6r0_type; /* always zero */
- uint8_t ip6r0_segleft; /* segments left */
- uint8_t ip6r0_reserved; /* reserved field */
- uint8_t ip6r0_slmap[3]; /* strict/loose bit map */
+ uint8_t ip6r0_nxt; /* next header */
+ uint8_t ip6r0_len; /* length in units of 8 octets */
+ uint8_t ip6r0_type; /* always zero */
+ uint8_t ip6r0_segleft; /* segments left */
+ uint8_t ip6r0_reserved; /* reserved field */
+ uint8_t ip6r0_slmap[3]; /* strict/loose bit map */
struct in6_addr ip6r0_addr[1]; /* up to 23 addresses */
};
/* Fragment header */
struct ip6_frag
{
- uint8_t ip6f_nxt; /* next header */
- uint8_t ip6f_reserved; /* reserved field */
- uint16_t ip6f_offlg; /* offset, reserved, and flag */
- uint32_t ip6f_ident; /* identification */
+ uint8_t ip6f_nxt; /* next header */
+ uint8_t ip6f_reserved; /* reserved field */
+ uint16_t ip6f_offlg; /* offset, reserved, and flag */
+ uint32_t ip6f_ident; /* identification */
};
#if BYTE_ORDER == BIG_ENDIAN
@@ -104,4 +111,78 @@ struct ip6_frag
#define IP6F_MORE_FRAG 0x0100 /* more-fragments flag */
#endif
+/* IPv6 options */
+struct ip6_opt
+ {
+ uint8_t ip6o_type;
+ uint8_t ip6o_len;
+ };
+
+/* The high-order 3 bits of the option type define the behavior
+ * when processing an unknown option and whether or not the option
+ * content changes in flight.
+ */
+#define IP6OPT_TYPE(o) ((o) & 0xc0)
+#define IP6OPT_TYPE_SKIP 0x00
+#define IP6OPT_TYPE_DISCARD 0x40
+#define IP6OPT_TYPE_FORCEICMP 0x80
+#define IP6OPT_TYPE_ICMP 0xc0
+#define IP6OPT_TYPE_MUTABLE 0x20
+
+/* Special option types for padding. */
+#define IP6OPT_PAD1 0
+#define IP6OPT_PADN 1
+
+#define IP6OPT_JUMBO 0xc2
+#define IP6OPT_NSAP_ADDR 0xc3
+#define IP6OPT_TUNNEL_LIMIT 0x04
+#define IP6OPT_ROUTER_ALERT 0x05
+
+/* Jumbo Payload Option */
+struct ip6_opt_jumbo
+ {
+ uint8_t ip6oj_type;
+ uint8_t ip6oj_len;
+ uint8_t ip6oj_jumbo_len[4];
+ };
+#define IP6OPT_JUMBO_LEN 6
+
+/* NSAP Address Option */
+struct ip6_opt_nsap
+ {
+ uint8_t ip6on_type;
+ uint8_t ip6on_len;
+ uint8_t ip6on_src_nsap_len;
+ uint8_t ip6on_dst_nsap_len;
+ /* followed by source NSAP */
+ /* followed by destination NSAP */
+ };
+
+/* Tunnel Limit Option */
+struct ip6_opt_tunnel
+ {
+ uint8_t ip6ot_type;
+ uint8_t ip6ot_len;
+ uint8_t ip6ot_encap_limit;
+ };
+
+/* Router Alert Option */
+struct ip6_opt_router
+ {
+ uint8_t ip6or_type;
+ uint8_t ip6or_len;
+ uint8_t ip6or_value[2];
+ };
+
+/* Router alert values (in network byte order) */
+#if BYTE_ORDER == BIG_ENDIAN
+# define IP6_ALERT_MLD 0x0000
+# define IP6_ALERT_RSVP 0x0001
+# define IP6_ALERT_AN 0x0002
+#else /* BYTE_ORDER == LITTLE_ENDING */
+# define IP6_ALERT_MLD 0x0000
+# define IP6_ALERT_RSVP 0x0100
+# define IP6_ALERT_AN 0x0200
+#endif
+
#endif /* netinet/ip6.h */