src/include/net/gen/in.h

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/*
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 $
 */

---