minix/include/net/gen/in.h
2005-06-28 15:19:58 +00:00

37 lines
821 B
C
Executable file

/*
server/ip/gen/in.h
*/
#ifndef __SERVER__IP__GEN__IN_H__
#define __SERVER__IP__GEN__IN_H__
#define IP_MIN_HDR_SIZE 20
#define IP_MAX_HDR_SIZE 60 /* 15 * 4 */
#define IP_VERSION 4
#define IP_DEF_TTL 64
#define IP_MAX_TTL 255
#define IP_DEF_MTU 576
#define IP_MIN_MTU (IP_MAX_HDR_SIZE+8)
#define IP_MAX_PACKSIZE 40000
/* Note: this restriction is not part of the IP-protocol but
introduced by this implementation. */
#define IPPROTO_ICMP 1
#define IPPROTO_TCP 6
#define IPPROTO_UDP 17
#define IP_MC_ALL_SYSTEMS 0xE0000001 /* 224.0.0.1 */
typedef u32_t ipaddr_t;
typedef u8_t ipproto_t;
typedef struct ip_hdropt
{
u8_t iho_opt_siz;
u8_t iho_data[IP_MAX_HDR_SIZE-IP_MIN_HDR_SIZE];
} ip_hdropt_t;
#endif /* __SERVER__IP__GEN__IN_H__ */
/*
* $PchId: in.h,v 1.6 2002/06/10 07:11:15 philip Exp $
*/