43 lines
743 B
C
Executable File
43 lines
743 B
C
Executable File
/*
|
|
server/ip/gen/ip_hdr.h
|
|
*/
|
|
|
|
#ifndef __SERVER__IP__GEN__HDR_H__
|
|
#define __SERVER__IP__GEN__HDR_H__
|
|
|
|
typedef struct ip_hdr
|
|
{
|
|
u8_t ih_vers_ihl,
|
|
ih_tos;
|
|
u16_t ih_length,
|
|
ih_id,
|
|
ih_flags_fragoff;
|
|
u8_t ih_ttl,
|
|
ih_proto;
|
|
u16_t ih_hdr_chk;
|
|
ipaddr_t ih_src,
|
|
ih_dst;
|
|
} ip_hdr_t;
|
|
|
|
#define IH_IHL_MASK 0xf
|
|
#define IH_VERSION_MASK 0xf
|
|
#define IH_FRAGOFF_MASK 0x1fff
|
|
#define IH_MORE_FRAGS 0x2000
|
|
#define IH_DONT_FRAG 0x4000
|
|
#define IH_FLAGS_UNUSED 0x8000
|
|
|
|
#define IP_OPT_COPIED 0x80
|
|
#define IP_OPT_NUMBER 0x1f
|
|
|
|
#define IP_OPT_EOL 0x00
|
|
#define IP_OPT_NOP 0x01
|
|
#define IP_OPT_LSRR 0x83
|
|
#define IP_OPT_RR 0x07
|
|
#define IP_OPT_RR_MIN 4
|
|
|
|
#endif /* __SERVER__IP__GEN__HDR_H__ */
|
|
|
|
/*
|
|
* $PchId: ip_hdr.h,v 1.4 1995/11/17 22:26:00 philip Exp $
|
|
*/
|