src/include/gpxe/arp.h

   1 #ifndef _GPXE_ARP_H
   2 #define _GPXE_ARP_H
   3
   4 /** @file
   5  *
   6  * Address Resolution Protocol
   7  *
   8  */
   9
  10 #include <gpxe/tables.h>
  11
  12 struct net_device;
  13 struct net_protocol;
  14
  15 /** A network-layer protocol that relies upon ARP */
  16 struct arp_net_protocol {
  17         /** Network-layer protocol */
  18         struct net_protocol *net_protocol;
  19         /** Check existence of address
  20          *
  21          * @v netdev    Network device
  22          * @v net_addr  Network-layer address
  23          * @ret rc      Return status code
  24          */
  25         int ( * check ) ( struct net_device *netdev,
  26                           const void *net_addr );
  27 };
  28
  29 /** Declare an ARP protocol */
  30 #define __arp_net_protocol \
  31         __table ( struct arp_net_protocol, arp_net_protocols, 01 )
  32
  33 extern struct net_protocol arp_protocol;
  34
  35 extern int arp_resolve ( struct net_device *netdev,
  36                          struct net_protocol *net_protocol,
  37                          const void *dest_net_addr,
  38                          const void *source_net_addr,
  39                          void *dest_ll_addr );
  40
  41 #endif /* _GPXE_ARP_H */