mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-20 05:42:34 +03:00
126 lines
3.9 KiB
C
126 lines
3.9 KiB
C
|
#ifndef _NETINET_IP_H
|
||
|
|
#define _NETINET_IP_H
|
||
|
|
|
||
|
|
#include <inttypes.h>
|
||
|
|
#include <endian.h>
|
||
|
|
#include <netinet/in.h>
|
||
|
|
|
||
|
|
__BEGIN_DECLS
|
||
|
|
|
||
|
|
#define IPVERSION 4 /* IP version number */
|
||
|
|
#define IP_MAXPACKET 65535 /* maximum packet size */
|
||
|
|
|
||
|
|
#define IPTOS_TOS_MASK 0x1E
|
||
|
|
#define IPTOS_TOS(tos) ((tos)&IPTOS_TOS_MASK)
|
||
|
|
#define IPTOS_LOWDELAY 0x10
|
||
|
|
#define IPTOS_THROUGHPUT 0x08
|
||
|
|
#define IPTOS_RELIABILITY 0x04
|
||
|
|
#define IPTOS_MINCOST 0x02
|
||
|
|
#define IPTOS_LOWCOST IPTOS_MINCOST
|
||
|
|
|
||
|
|
#define IPTOS_PREC_MASK 0xE0
|
||
|
|
#define IPTOS_PREC(tos) ((tos)&IPTOS_PREC_MASK)
|
||
|
|
#define IPTOS_PREC_NETCONTROL 0xe0
|
||
|
|
#define IPTOS_PREC_INTERNETCONTROL 0xc0
|
||
|
|
#define IPTOS_PREC_CRITIC_ECP 0xa0
|
||
|
|
#define IPTOS_PREC_FLASHOVERRIDE 0x80
|
||
|
|
#define IPTOS_PREC_FLASH 0x60
|
||
|
|
#define IPTOS_PREC_IMMEDIATE 0x40
|
||
|
|
#define IPTOS_PREC_PRIORITY 0x20
|
||
|
|
#define IPTOS_PREC_ROUTINE 0x00
|
||
|
|
|
||
|
|
|
||
|
|
/* IP options */
|
||
|
|
#define IPOPT_COPY 0x80
|
||
|
|
#define IPOPT_CLASS_MASK 0x60
|
||
|
|
#define IPOPT_NUMBER_MASK 0x1f
|
||
|
|
|
||
|
|
#define IPOPT_COPIED(o) ((o)&IPOPT_COPY)
|
||
|
|
#define IPOPT_CLASS(o) ((o)&IPOPT_CLASS_MASK)
|
||
|
|
#define IPOPT_NUMBER(o) ((o)&IPOPT_NUMBER_MASK)
|
||
|
|
|
||
|
|
#define IPOPT_CONTROL 0x00
|
||
|
|
#define IPOPT_RESERVED1 0x20
|
||
|
|
#define IPOPT_MEASUREMENT 0x40
|
||
|
|
#define IPOPT_RESERVED2 0x60
|
||
|
|
|
||
|
|
#define IPOPT_END (0 |IPOPT_CONTROL)
|
||
|
|
#define IPOPT_NOOP (1 |IPOPT_CONTROL)
|
||
|
|
#define IPOPT_SEC (2 |IPOPT_CONTROL|IPOPT_COPY)
|
||
|
|
#define IPOPT_LSRR (3 |IPOPT_CONTROL|IPOPT_COPY)
|
||
|
|
#define IPOPT_TIMESTAMP (4 |IPOPT_MEASUREMENT)
|
||
|
|
#define IPOPT_RR (7 |IPOPT_CONTROL)
|
||
|
|
#define IPOPT_SID (8 |IPOPT_CONTROL|IPOPT_COPY)
|
||
|
|
#define IPOPT_SSRR (9 |IPOPT_CONTROL|IPOPT_COPY)
|
||
|
|
#define IPOPT_RA (20|IPOPT_CONTROL|IPOPT_COPY)
|
||
|
|
|
||
|
|
#define IPVERSION 4
|
||
|
|
#define MAXTTL 255
|
||
|
|
#define IPDEFTTL 64
|
||
|
|
|
||
|
|
/* struct timestamp, struct route and MAX_ROUTES are removed.
|
||
|
|
|
||
|
|
REASONS: it is clear that nobody used them because:
|
||
|
|
- MAX_ROUTES value was wrong.
|
||
|
|
- "struct route" was wrong.
|
||
|
|
- "struct timestamp" had fatally misaligned bitfields and was completely unusable.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define IPOPT_OPTVAL 0
|
||
|
|
#define IPOPT_OLEN 1
|
||
|
|
#define IPOPT_OFFSET 2
|
||
|
|
#define IPOPT_MINOFF 4
|
||
|
|
#define MAX_IPOPTLEN 40
|
||
|
|
#define IPOPT_NOP IPOPT_NOOP
|
||
|
|
#define IPOPT_EOL IPOPT_END
|
||
|
|
#define IPOPT_TS IPOPT_TIMESTAMP
|
||
|
|
|
||
|
|
#define IPOPT_TS_TSONLY 0 /* timestamps only */
|
||
|
|
#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */
|
||
|
|
#define IPOPT_TS_PRESPEC 3 /* specified modules only */
|
||
|
|
|
||
|
|
struct iphdr { /* size 20/0x14 */
|
||
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
||
|
|
unsigned int ihl:4, version:4; /* offset 0; version=ip version (4) */
|
||
|
|
#else
|
||
|
|
unsigned int version:4, ihl:4; /* offset 0; ihl=ip header length, measured in words (5) */
|
||
|
|
#endif
|
||
|
|
unsigned char tos; /* offset 1 */
|
||
|
|
unsigned short tot_len; /* offset 2; total bytes in packet in network byte order */
|
||
|
|
unsigned short id; /* offset 4 */
|
||
|
|
unsigned short frag_off; /* offset 6 */
|
||
|
|
unsigned char ttl; /* offset 8 */
|
||
|
|
unsigned char protocol; /* offset 9; 1=ICMP, 6=TCP, 17=UDP (see netinet/in.h) */
|
||
|
|
unsigned short check; /* offset 10/0xa */
|
||
|
|
unsigned int saddr; /* offset 12/0xc */
|
||
|
|
unsigned int daddr; /* offset 16/0x10 */
|
||
|
|
/*The options start here. */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ip {
|
||
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
||
|
|
unsigned int ip_hl:4; /* header length */
|
||
|
|
unsigned int ip_v:4; /* version */
|
||
|
|
#endif
|
||
|
|
#if __BYTE_ORDER == __BIG_ENDIAN
|
||
|
|
unsigned int ip_v:4; /* version */
|
||
|
|
unsigned int ip_hl:4; /* header length */
|
||
|
|
#endif
|
||
|
|
unsigned char ip_tos; /* type of service */
|
||
|
|
unsigned short ip_len; /* total length */
|
||
|
|
unsigned short ip_id; /* identification */
|
||
|
|
unsigned short ip_off; /* fragment offset field */
|
||
|
|
#define IP_RF 0x8000 /* reserved fragment flag */
|
||
|
|
#define IP_DF 0x4000 /* dont fragment flag */
|
||
|
|
#define IP_MF 0x2000 /* more fragments flag */
|
||
|
|
#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
|
||
|
|
unsigned char ip_ttl; /* time to live */
|
||
|
|
unsigned char ip_p; /* protocol */
|
||
|
|
unsigned short ip_sum; /* checksum */
|
||
|
|
struct in_addr ip_src, ip_dst; /* source and dest address */
|
||
|
|
};
|
||
|
|
|
||
|
|
__END_DECLS
|
||
|
|
|
||
|
|
#endif
|