include/netinet/ip.h

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