1 #ifndef _NETINET_IP_H
2 #define _NETINET_IP_H
3
4 #ifdef __cplusplus
5 extern "C" {
6 #endif
7
8 #include <stdint.h>
9 #include <netinet/in.h>
10
11 struct 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
24 struct 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
43 struct 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
66 struct 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
200