src/include/gpxe/icmp6.h

   1 #ifndef _GPXE_ICMP6_H
   2 #define _GPXE_ICMP6_H
   3
   4 /** @file
   5  *
   6  * ICMP6 protocol
   7  *
   8  */
   9
  10 FILE_LICENCE ( GPL2_OR_LATER );
  11
  12 #include <gpxe/ip6.h>
  13 #include <gpxe/ndp.h>
  14
  15 #define ICMP6_NSOLICIT 135
  16 #define ICMP6_NADVERT 136
  17
  18 extern struct tcpip_protocol icmp6_protocol;
  19
  20 struct icmp6_header {
  21         uint8_t type;
  22         uint8_t code;
  23         uint16_t csum;
  24         /* Message body */
  25 };
  26
  27 struct neighbour_solicit {
  28         uint8_t type;
  29         uint8_t code;
  30         uint16_t csum;
  31         uint32_t reserved;
  32         struct in6_addr target;
  33         /* "Compulsory" options */
  34         uint8_t opt_type;
  35         uint8_t opt_len;
  36   /* FIXME:  hack alert */
  37         uint8_t opt_ll_addr[6];
  38 };
  39
  40 struct neighbour_advert {
  41         uint8_t type;
  42         uint8_t code;
  43         uint16_t csum;
  44         uint8_t flags;
  45         uint8_t reserved;
  46         struct in6_addr target;
  47         uint8_t opt_type;
  48         uint8_t opt_len;
  49   /* FIXME:  hack alert */
  50         uint8_t opt_ll_addr[6];
  51 };
  52
  53 #define ICMP6_FLAGS_ROUTER 0x80
  54 #define ICMP6_FLAGS_SOLICITED 0x40
  55 #define ICMP6_FLAGS_OVERRIDE 0x20
  56
  57 int icmp6_send_solicit ( struct net_device *netdev, struct in6_addr *src, struct in6_addr *dest );
  58
  59 #endif /* _GPXE_ICMP6_H */