9 #include <netinet/in.h>
14 #if __BYTE_ORDER == __LITTLE_ENDIAN
16 unsigned int overflow:4;
18 unsigned int overflow:4;
25 #if __BYTE_ORDER == __LITTLE_ENDIAN
27 unsigned int version:4;
29 unsigned int version:4;
44 #if __BYTE_ORDER == __LITTLE_ENDIAN
58 struct in_addr ip_src, ip_dst;
64 #define IP_OFFMASK 0x1fff
70 #if __BYTE_ORDER == __LITTLE_ENDIAN
71 unsigned int ipt_flg:4;
72 unsigned int ipt_oflw:4;
74 unsigned int ipt_oflw:4;
75 unsigned int ipt_flg:4;
81 #define IP_MAXPACKET 65535
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
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
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
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
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
137 #define IPOPT_COPY 0x80
138 #define IPOPT_CLASS_MASK 0x60
139 #define IPOPT_NUMBER_MASK 0x1f
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)
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
152 #define IPOPT_END IPOPT_EOL
154 #define IPOPT_NOOP IPOPT_NOP
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
167 #define IPOPT_OPTVAL 0
169 #define IPOPT_OFFSET 2
170 #define IPOPT_MINOFF 4
172 #define MAX_IPOPTLEN 40
174 #define IPOPT_TS_TSONLY 0
175 #define IPOPT_TS_TSANDADDR 1
176 #define IPOPT_TS_PRESPEC 3
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