diff options
Diffstat (limited to 'inet/netinet')
| -rw-r--r-- | inet/netinet/in.h | 18 | ||||
| -rw-r--r-- | inet/netinet/ip6.h | 49 |
2 files changed, 48 insertions, 19 deletions
diff --git a/inet/netinet/in.h b/inet/netinet/in.h index a87f35e99a..9f969ccc5c 100644 --- a/inet/netinet/in.h +++ b/inet/netinet/in.h @@ -21,6 +21,7 @@ #include <features.h> #include <stdint.h> +#include <sys/socket.h> #include <bits/types.h> @@ -366,6 +367,23 @@ struct in6_pktinfo unsigned int ipi6_ifindex; /* send/recv interface index */ }; + +#ifdef __USE_GNU +/* Hop-by-Hop and Destination Options Processing. */ +extern int inet6_option_space (int __nbytes); +extern int inet6_option_init (void *__bp, struct cmsghdr **__cmsgp, + int __type); +extern int inet6_option_append (struct cmsghdr *__cmsg, + __const uint8_t *__typep, int __multx, + int __plusy); +extern uint8_t *inet6_option_alloc (struct cmsghdr *__cmsg, int __datalen, + int __multx, int __plusy); +extern int inet6_option_next (__const struct cmsghdr *__cmsg, + uint8_t **__tptrp); +extern int inet6_option_find (__const struct cmsghdr *__cmsg, + uint8_t **__tptrp, int __type); +#endif /* use GNU */ + __END_DECLS #endif /* netinet/in.h */ diff --git a/inet/netinet/ip6.h b/inet/netinet/ip6.h index c6fc2b31c7..7045836df6 100644 --- a/inet/netinet/ip6.h +++ b/inet/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 +111,8 @@ struct ip6_frag #define IP6F_MORE_FRAG 0x0100 /* more-fragments flag */ #endif +/* Special option types for padding. */ +#define IP6OPT_PAD1 0 +#define IP6OPT_PADN 1 + #endif /* netinet/ip6.h */ |