usr/src/grub/grub-0.97/netboot/udp.h

   1 #ifndef _UDP_H
   2 #define _UDP_H
   3
   4 /* We need 'uint16_t' and 'uint8_t'  */
   5 #include "types.h"
   6 /* We need 'in_addr' */
   7 #include "in.h"
   8
   9 struct udp_pseudo_hdr {
  10         in_addr  src;
  11         in_addr  dest;
  12         uint8_t  unused;
  13         uint8_t  protocol;
  14         uint16_t len;
  15 };
  16 struct udphdr {
  17         uint16_t src;
  18         uint16_t dest;
  19         uint16_t len;
  20         uint16_t chksum;
  21 };
  22
  23 extern void build_udp_hdr(unsigned long __destip, unsigned int __srcsock,
  24               unsigned int __destsock, int __ttl, int __len,
  25               const void * __buf);
  26
  27 extern int udp_transmit(unsigned long __destip, unsigned int __srcsock,
  28                         unsigned int __destsock, int __len, const void * __buf);
  29
  30 #endif  /* _UDP_H */