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/*
%%% portions-copyright-nrl-97
Portions of this software are Copyright 1997-1998 by Randall Atkinson,
Ronald Lee, Daniel McDonald, Bao Phan, and Chris Winters. All Rights
Reserved. All rights under this copyright have been assigned to the US
Naval Research Laboratory (NRL). The NRL Copyright Notice and License
Agreement Version 1.1 (January 17, 1995) applies to these portions of the
software.
You should have received a copy of the license with this software. If you
didn't get a copy, you may request one from <license@ipv6.nrl.navy.mil>.
*/
#ifndef _NETINET6_ND6_PROTOCOL_H
#define _NETINET6_ND6_PROTOCOL_H 1
#include <netinet6/icmpv6.h>
#define ND6_ROUTER_SOLICITATION 133
#define ND6_ROUTER_ADVERTISEMENT 134
#define ND6_NEIGHBOR_SOLICITATION 135
#define ND6_NEIGHBOR_ADVERTISEMENT 136
#define ND6_REDIRECT 137
enum nd6_option {
ND6_OPT_SOURCE_LINKADDR=1,
ND6_OPT_TARGET_LINKADDR=2,
ND6_OPT_PREFIX_INFORMATION=3,
ND6_OPT_REDIRECTED_HEADER=4,
ND6_OPT_MTU=5,
ND6_OPT_ENDOFLIST=256
};
struct nd_router_solicit { /* router solicitation */
struct icmpv6hdr rsol_hdr;
};
#define rsol_type rsol_hdr.icmpv6_type
#define rsol_code rsol_hdr.icmpv6_code
#define rsol_cksum rsol_hdr.icmpv6_cksum
#define rsol_reserved rsol_hdr.icmpv6_data32[0]
struct nd_router_advert { /* router advertisement */
struct icmpv6hdr radv_hdr;
uint32_t radv_reachable; /* reachable time */
uint32_t radv_retransmit; /* reachable retransmit time */
};
#define radv_type radv_hdr.icmpv6_type
#define radv_code radv_hdr.icmpv6_code
#define radv_cksum radv_hdr.icmpv6_cksum
#define radv_maxhoplimit radv_hdr.icmpv6_data8[0]
#define radv_m_o_res radv_hdr.icmpv6_data8[1]
#define ND6_RADV_M_BIT 0x80
#define ND6_RADV_O_BIT 0x40
#define radv_router_lifetime radv_hdr.icmpv6_data16[1]
struct nd6_nsolicitation { /* neighbor solicitation */
struct icmpv6hdr nsol6_hdr;
struct in6_addr nsol6_target;
};
struct nd6_nadvertisement { /* neighbor advertisement */
struct icmpv6hdr nadv6_hdr;
struct in6_addr nadv6_target;
};
#define nadv6_flags nadv6_hdr.icmpv6_data32[0]
#define ND6_NADVERFLAG_ISROUTER 0x80
#define ND6_NADVERFLAG_SOLICITED 0x40
#define ND6_NADVERFLAG_OVERRIDE 0x20
struct nd6_redirect { /* redirect */
struct icmpv6hdr redirect_hdr;
struct in6_addr redirect_target;
struct in6_addr redirect_destination;
};
struct nd6_opt_prefix_info { /* prefix information */
uint8_t opt_type;
uint8_t opt_length;
uint8_t opt_prefix_length;
uint8_t opt_l_a_res;
uint32_t opt_valid_life;
uint32_t opt_preferred_life;
uint32_t opt_reserved2;
struct in6_addr opt_prefix;
};
#define ND6_OPT_PI_L_BIT 0x80
#define ND6_OPT_PI_A_BIT 0x40
struct nd6_opt_mtu { /* MTU option */
uint8_t opt_type;
uint8_t opt_length;
uint16_t opt_reserved;
uint32_t opt_mtu;
};
#endif /* _NETINET6_ND6_PROTOCOL_H */
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