#ifndef GRUB_NET_IP_HEADER
#define GRUB_NET_IP_HEADER	1
#include <grub/misc.h>

struct iphdr {
  grub_uint8_t verhdrlen;
  grub_uint8_t service;
  grub_uint16_t len;
  grub_uint16_t ident;
  grub_uint16_t frags;
  grub_uint8_t ttl;
  grub_uint8_t protocol;
  grub_uint16_t chksum;
  grub_uint32_t src;
  grub_uint32_t  dest;
} __attribute__ ((packed)) ;

struct ip6hdr
{
  grub_uint8_t version:4, priority:4;
  grub_uint8_t flow_lbl[3];
  grub_uint16_t payload_len;
  grub_uint8_t nexthdr;
  grub_uint8_t hop_limit;
  grub_uint8_t saddr[16];
  grub_uint8_t daddr[16];
} __attribute__ ((packed));

#define IP_UDP          0x11 /* UDP protocol */
#define IP_BROADCAST    0xFFFFFFFF

grub_uint16_t ipchksum(void *ipv, int len);
void ipv4_ini(void);
void ipv4_fini(void);
#endif