1#ifndef _NETINET_IP_H
  2#define _NETINET_IP_H
  3
  4#ifdef __cplusplus
  5extern "C" {
  6#endif
  7
  8#include <stdint.h>
  9#include <netinet/in.h>
 10
 11struct timestamp {
 12	uint8_t len;
 13	uint8_t ptr;
 14#if __BYTE_ORDER == __LITTLE_ENDIAN
 15	unsigned int flags:4;
 16	unsigned int overflow:4;
 17#else
 18	unsigned int overflow:4;
 19	unsigned int flags:4;
 20#endif
 21	uint32_t data[9];
 22  };
 23
 24struct iphdr {
 25#if __BYTE_ORDER == __LITTLE_ENDIAN
 26	unsigned int ihl:4;
 27	unsigned int version:4;
 28#else
 29	unsigned int version:4;
 30	unsigned int ihl:4;
 31#endif
 32	uint8_t tos;
 33	uint16_t tot_len;
 34	uint16_t id;
 35	uint16_t frag_off;
 36	uint8_t ttl;
 37	uint8_t protocol;
 38	uint16_t check;
 39	uint32_t saddr;
 40	uint32_t daddr;
 41};
 42
 43struct ip {
 44#if __BYTE_ORDER == __LITTLE_ENDIAN
 45	unsigned int ip_hl:4;
 46	unsigned int ip_v:4;
 47#else
 48	unsigned int ip_v:4;
 49	unsigned int ip_hl:4;
 50#endif
 51	uint8_t ip_tos;
 52	uint16_t ip_len;
 53	uint16_t ip_id;
 54	uint16_t ip_off;
 55	uint8_t ip_ttl;
 56	uint8_t ip_p;
 57	uint16_t ip_sum;
 58	struct in_addr ip_src, ip_dst;
 59};
 60
 61#define	IP_RF 0x8000
 62#define	IP_DF 0x4000
 63#define	IP_MF 0x2000
 64#define	IP_OFFMASK 0x1fff
 65
 66struct ip_timestamp {
 67	uint8_t ipt_code;
 68	uint8_t ipt_len;
 69	uint8_t ipt_ptr;
 70#if __BYTE_ORDER == __LITTLE_ENDIAN
 71	unsigned int ipt_flg:4;
 72	unsigned int ipt_oflw:4;
 73#else
 74	unsigned int ipt_oflw:4;
 75	unsigned int ipt_flg:4;
 76#endif
 77	uint32_t data[9];
 78};
 79
 80#define	IPVERSION	4
 81#define	IP_MAXPACKET	65535
 82
 83#define	IPTOS_ECN_MASK		0x03
 84#define	IPTOS_ECN(x)		((x) & IPTOS_ECN_MASK)
 85#define	IPTOS_ECN_NOT_ECT	0x00
 86#define	IPTOS_ECN_ECT1		0x01
 87#define	IPTOS_ECN_ECT0		0x02
 88#define	IPTOS_ECN_CE		0x03
 89
 90#define	IPTOS_DSCP_MASK		0xfc
 91#define	IPTOS_DSCP(x)		((x) & IPTOS_DSCP_MASK)
 92#define	IPTOS_DSCP_AF11		0x28
 93#define	IPTOS_DSCP_AF12		0x30
 94#define	IPTOS_DSCP_AF13		0x38
 95#define	IPTOS_DSCP_AF21		0x48
 96#define	IPTOS_DSCP_AF22		0x50
 97#define	IPTOS_DSCP_AF23		0x58
 98#define	IPTOS_DSCP_AF31		0x68
 99#define	IPTOS_DSCP_AF32		0x70
100#define	IPTOS_DSCP_AF33		0x78
101#define	IPTOS_DSCP_AF41		0x88
102#define	IPTOS_DSCP_AF42		0x90
103#define	IPTOS_DSCP_AF43		0x98
104#define	IPTOS_DSCP_EF		0xb8
105
106#define	IPTOS_CLASS_MASK	0xe0
107#define	IPTOS_CLASS(x)		((x) & IPTOS_CLASS_MASK)
108#define	IPTOS_CLASS_CS0		0x00
109#define	IPTOS_CLASS_CS1		0x20
110#define	IPTOS_CLASS_CS2		0x40
111#define	IPTOS_CLASS_CS3		0x60
112#define	IPTOS_CLASS_CS4		0x80
113#define	IPTOS_CLASS_CS5		0xa0
114#define	IPTOS_CLASS_CS6		0xc0
115#define	IPTOS_CLASS_CS7		0xe0
116#define	IPTOS_CLASS_DEFAULT	IPTOS_CLASS_CS0
117
118#define	IPTOS_TOS_MASK		0x1E
119#define	IPTOS_TOS(tos)		((tos) & IPTOS_TOS_MASK)
120#define	IPTOS_LOWDELAY		0x10
121#define	IPTOS_THROUGHPUT	0x08
122#define	IPTOS_RELIABILITY	0x04
123#define	IPTOS_LOWCOST		0x02
124#define	IPTOS_MINCOST		IPTOS_LOWCOST
125
126#define	IPTOS_PREC_MASK			0xe0
127#define	IPTOS_PREC(tos)                ((tos) & IPTOS_PREC_MASK)
128#define	IPTOS_PREC_NETCONTROL		0xe0
129#define	IPTOS_PREC_INTERNETCONTROL	0xc0
130#define	IPTOS_PREC_CRITIC_ECP		0xa0
131#define	IPTOS_PREC_FLASHOVERRIDE	0x80
132#define	IPTOS_PREC_FLASH		0x60
133#define	IPTOS_PREC_IMMEDIATE		0x40
134#define	IPTOS_PREC_PRIORITY		0x20
135#define	IPTOS_PREC_ROUTINE		0x00
136
137#define	IPOPT_COPY		0x80
138#define	IPOPT_CLASS_MASK	0x60
139#define	IPOPT_NUMBER_MASK	0x1f
140
141#define	IPOPT_COPIED(o)		((o) & IPOPT_COPY)
142#define	IPOPT_CLASS(o)		((o) & IPOPT_CLASS_MASK)
143#define	IPOPT_NUMBER(o)		((o) & IPOPT_NUMBER_MASK)
144
145#define	IPOPT_CONTROL		0x00
146#define	IPOPT_RESERVED1		0x20
147#define	IPOPT_DEBMEAS		0x40
148#define	IPOPT_MEASUREMENT       IPOPT_DEBMEAS
149#define	IPOPT_RESERVED2		0x60
150
151#define	IPOPT_EOL		0
152#define	IPOPT_END		IPOPT_EOL
153#define	IPOPT_NOP		1
154#define	IPOPT_NOOP		IPOPT_NOP
155
156#define	IPOPT_RR		7
157#define	IPOPT_TS		68
158#define	IPOPT_TIMESTAMP		IPOPT_TS
159#define	IPOPT_SECURITY		130
160#define	IPOPT_SEC		IPOPT_SECURITY
161#define	IPOPT_LSRR		131
162#define	IPOPT_SATID		136
163#define	IPOPT_SID		IPOPT_SATID
164#define	IPOPT_SSRR		137
165#define	IPOPT_RA		148
166
167#define	IPOPT_OPTVAL		0
168#define	IPOPT_OLEN		1
169#define	IPOPT_OFFSET		2
170#define	IPOPT_MINOFF		4
171
172#define	MAX_IPOPTLEN		40
173
174#define	IPOPT_TS_TSONLY		0
175#define	IPOPT_TS_TSANDADDR	1
176#define	IPOPT_TS_PRESPEC	3
177
178#define	IPOPT_SECUR_UNCLASS	0x0000
179#define	IPOPT_SECUR_CONFID	0xf135
180#define	IPOPT_SECUR_EFTO	0x789a
181#define	IPOPT_SECUR_MMMM	0xbc4d
182#define	IPOPT_SECUR_RESTR	0xaf13
183#define	IPOPT_SECUR_SECRET	0xd788
184#define	IPOPT_SECUR_TOPSECRET	0x6bc5
185
186#define	MAXTTL		255
187#define	IPDEFTTL	64
188#define	IPFRAGTTL	60
189#define	IPTTLDEC	1
190
191#define	IP_MSS		576
192
193#define __UAPI_DEF_IPHDR	0
194
195#ifdef __cplusplus
196}
197#endif
198
199#endif