icmp6.h

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00001 #ifndef _GPXE_ICMP6_H
00002 #define _GPXE_ICMP6_H
00003 
00004 /** @file
00005  *
00006  * ICMP6 protocol
00007  *
00008  */
00009 
00010 FILE_LICENCE ( GPL2_OR_LATER );
00011 
00012 #include <gpxe/ip6.h>
00013 #include <gpxe/ndp.h>
00014 
00015 #define ICMP6_NSOLICIT 135
00016 #define ICMP6_NADVERT 136
00017 
00018 extern struct tcpip_protocol icmp6_protocol;
00019 
00020 struct icmp6_header {
00021         uint8_t type;
00022         uint8_t code;
00023         uint16_t csum;
00024         /* Message body */
00025 };
00026 
00027 struct neighbour_solicit {
00028         uint8_t type;
00029         uint8_t code;
00030         uint16_t csum;
00031         uint32_t reserved;
00032         struct in6_addr target;
00033         /* "Compulsory" options */
00034         uint8_t opt_type;
00035         uint8_t opt_len;
00036   /* FIXME:  hack alert */
00037         uint8_t opt_ll_addr[6];
00038 };
00039 
00040 struct neighbour_advert {
00041         uint8_t type;
00042         uint8_t code;
00043         uint16_t csum;
00044         uint8_t flags;
00045         uint8_t reserved;
00046         struct in6_addr target;
00047         uint8_t opt_type;
00048         uint8_t opt_len;
00049   /* FIXME:  hack alert */
00050         uint8_t opt_ll_addr[6];
00051 };
00052 
00053 #define ICMP6_FLAGS_ROUTER 0x80
00054 #define ICMP6_FLAGS_SOLICITED 0x40
00055 #define ICMP6_FLAGS_OVERRIDE 0x20
00056 
00057 int icmp6_send_solicit ( struct net_device *netdev, struct in6_addr *src, struct in6_addr *dest );
00058 
00059 #endif /* _GPXE_ICMP6_H */