minix/include/net/gen/in.h

   1 /*
   2 server/ip/gen/in.h
   3 */
   4
   5 #ifndef __SERVER__IP__GEN__IN_H__
   6 #define __SERVER__IP__GEN__IN_H__
   7
   8 #include <net/gen/in.h>
   9 #include <sys/types.h>
  10
  11 #define IP_MIN_HDR_SIZE         20
  12 #define IP_MAX_HDR_SIZE         60              /* 15 * 4 */
  13 #define IP_VERSION              4
  14 #define IP_DEF_TTL              64
  15 #define IP_MAX_TTL              255
  16 #define IP_DEF_MTU              576
  17 #define IP_MIN_MTU              (IP_MAX_HDR_SIZE+8)
  18 #define IP_MAX_PACKSIZE         40000
  19         /* Note: this restriction is not part of the IP-protocol but
  20            introduced by this implementation. */
  21
  22 #define IPPROTO_ICMP            1
  23 #define IPPROTO_TCP             6
  24 #define IPPROTO_UDP             17
  25
  26 #define IP_MC_ALL_SYSTEMS       0xE0000001      /* 224.0.0.1 */
  27
  28 typedef u32_t ipaddr_t;
  29 typedef u8_t ipproto_t;
  30 typedef struct ip_hdropt
  31 {
  32         u8_t iho_opt_siz;
  33         u8_t iho_data[IP_MAX_HDR_SIZE-IP_MIN_HDR_SIZE];
  34 } ip_hdropt_t;
  35
  36 #endif /* __SERVER__IP__GEN__IN_H__ */
  37
  38 /*
  39  * $PchId: in.h,v 1.6 2002/06/10 07:11:15 philip Exp $
  40  */