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/lib/ffi/packets/constants.rb

https://github.com/emonti/ffi-packets
Ruby | 500 lines | 402 code | 76 blank | 22 comment | 0 complexity | 83b0ab699920d0a535b87b84c3f0860b MD5 | raw file
    

  1. module FFI::Packets
    2. 

  2.   module Constants
    3. 

  3.     
    4. 

  4.     ARP_HDR_LEN     = 8        # base ARP header length
    5. 

  5.     ARP_ETHIP_LEN   = 20      # base ARP message length
    6. 

  6. 

  7.     ARP_HRD_ETH     = 0x0001  # ethernet hardware
    8. 

  8.     ARP_HRD_IEEE802 = 0x0006  # IEEE 802 hardware
    9. 

  9. 

  10.     ARP_PRO_IP      = 0x0800  # IP protocol
    11. 

  11. 

  12.     ARP_OP_REQUEST    = 1  # request to resolve ha given pa
    13. 

  13.     ARP_OP_REPLY      = 2  # response giving hardware address
    14. 

  14.     ARP_OP_REVREQUEST = 3  # request to resolve pa given ha
    15. 

  15.     ARP_OP_REVREPLY   = 4  # response giving protocol address
    16. 

  16. 

  17. 

  18.     ETH_ADDR_LEN   = 6
    19. 

  19.     ETH_ADDR_BITS  = 48
    20. 

  20.     ETH_TYPE_LEN   = 2
    21. 

  21.     ETH_CRC_LEN    = 4
    22. 

  22.     ETH_HDR_LEN    = 14
    23. 

  23.     ETH_LEN_MIN    = 64     # minimum frame length with CRC
    24. 

  24.     ETH_LEN_MAX    = 1518   # maximum frame length with CRC
    25. 

  25. 

  26.     ETH_TYPE_PUP        = 0x0200  # PUP protocol
    27. 

  27.     ETH_TYPE_IP         = 0x0800  # IP protocol
    28. 

  28.     ETH_TYPE_ARP        = 0x0806  # address resolution protocol
    29. 

  29.     ETH_TYPE_REVARP     = 0x8035  # reverse addr resolution protocol
    30. 

  30.     ETH_TYPE_8021Q      = 0x8100  # IEEE 802.1Q VLAN tagging
    31. 

  31.     ETH_TYPE_IPV6       = 0x86DD  # IPv6 protocol
    32. 

  32.     ETH_TYPE_MPLS       = 0x8847  # MPLS
    33. 

  33.     ETH_TYPE_MPLS_MCAST = 0x8848  # MPLS Multicast
    34. 

  34.     ETH_TYPE_PPPOEDISC  = 0x8863  # PPP Over Ethernet Discovery Stage
    35. 

  35.     ETH_TYPE_PPPOE      = 0x8864  # PPP Over Ethernet Session Stage
    36. 

  36.     ETH_TYPE_LOOPBACK   = 0x9000  # used to test interfaces
    37. 

  37.     ETH_ADDR_BROADCAST = "\xff\xff\xff\xff\xff\xff"
    38. 

  38. 

  39.     # ETH_IS_MULTICAST(ea)  (*(ea) & 0x01) # is address mcast/bcast? XXX implement
    40. 

  40. 

  41. 

  42.     ICMP_HDR_LEN    = 4  # base ICMP header length
    43. 

  43.     ICMP_LEN_MIN    = 8  # minimum ICMP message size, with header
    44. 

  44. 

  45.     # ICMP Types (ICMP::Hdr->icmp_type)
    46. 

  46.     # http://www.iana.org/assignments/icmp-parameters
    47. 

  47. 

  48.     ICMP_TYPE_ECHOREPLY        = 0   # echo reply
    49. 

  49.     ICMP_TYPE_UNREACH          = 3   # dest unreachable, codes:
    50. 

  50.     ICMP_TYPE_SRCQUENCH        = 4   # packet lost, slow down
    51. 

  51.     ICMP_TYPE_REDIRECT         = 5   # shorter route, codes:
    52. 

  52.     ICMP_TYPE_ALTHOSTADDR      = 6   # alternate host address
    53. 

  53.     ICMP_TYPE_ECHO             = 8   # echo service
    54. 

  54.     ICMP_TYPE_RTRADVERT        = 9   # router advertise, codes:
    55. 

  55.     ICMP_TYPE_RTRSOLICIT       = 10  # router solicitation
    56. 

  56.     ICMP_TYPE_TIMEXCEED        = 11  # time exceeded, code:
    57. 

  57.     ICMP_TYPE_PARAMPROB        = 12  # ip header bad
    58. 

  58.     ICMP_TYPE_TSTAMP           = 13  # timestamp request
    59. 

  59.     ICMP_TYPE_TSTAMPREPLY      = 14  # timestamp reply
    60. 

  60.     ICMP_TYPE_INFO             = 15  # information request
    61. 

  61.     ICMP_TYPE_INFOREPLY        = 16  # information reply
    62. 

  62.     ICMP_TYPE_MASK             = 17  # address mask request
    63. 

  63.     ICMP_TYPE_MASKREPLY        = 18  # address mask reply
    64. 

  64.     ICMP_TYPE_TRACEROUTE       = 30  # traceroute
    65. 

  65.     ICMP_TYPE_DATACONVERR      = 31  # data conversion error
    66. 

  66.     ICMP_TYPE_MOBILE_REDIRECT  = 32  # mobile host redirect
    67. 

  67.     ICMP_TYPE_IPV6_WHEREAREYOU = 33  # IPv6 where-are-you
    68. 

  68.     ICMP_TYPE_IPV6_IAMHERE     = 34  # IPv6 i-am-here
    69. 

  69.     ICMP_TYPE_MOBILE_REG       = 35  # mobile registration req
    70. 

  70.     ICMP_TYPE_MOBILE_REGREPLY  = 36  # mobile registration reply
    71. 

  71.     ICMP_TYPE_DNS              = 37  # domain name request
    72. 

  72.     ICMP_TYPE_DNSREPLY         = 38  # domain name reply
    73. 

  73.     ICMP_TYPE_SKIP             = 39  # SKIP
    74. 

  74.     ICMP_TYPE_PHOTURIS         = 40  # Photuris
    75. 

  75. 

  76.     # ICMP Sub-codes (ICMP::Hdr->icmp_code)
    77. 

  77.     # http://www.iana.org/assignments/icmp-parameters
    78. 

  78. 

  79.     ICMP_UNREACH_NET                = 0   # bad net
    80. 

  80.     ICMP_UNREACH_HOST               = 1   # bad host
    81. 

  81.     ICMP_UNREACH_PROTO              = 2   # bad protocol
    82. 

  82.     ICMP_UNREACH_PORT               = 3   # bad port
    83. 

  83.     ICMP_UNREACH_NEEDFRAG           = 4   # IP_DF caused drop
    84. 

  84.     ICMP_UNREACH_SRCFAIL            = 5   # src route failed
    85. 

  85.     ICMP_UNREACH_NET_UNKNOWN        = 6   # unknown net
    86. 

  86.     ICMP_UNREACH_HOST_UNKNOWN       = 7   # unknown host
    87. 

  87.     ICMP_UNREACH_ISOLATED           = 8   # src host isolated
    88. 

  88.     ICMP_UNREACH_NET_PROHIB         = 9   # for crypto devs
    89. 

  89.     ICMP_UNREACH_HOST_PROHIB        = 10  # ditto
    90. 

  90.     ICMP_UNREACH_TOSNET             = 11  # bad tos for net
    91. 

  91.     ICMP_UNREACH_TOSHOST            = 12  # bad tos for host
    92. 

  92.     ICMP_UNREACH_FILTER_PROHIB      = 13  # prohibited access
    93. 

  93.     ICMP_UNREACH_HOST_PRECEDENCE    = 14  # precedence error
    94. 

  94.     ICMP_UNREACH_PRECEDENCE_CUTOFF  = 15  # precedence cutoff
    95. 

  95. 

  96.     ICMP_REDIRECT_NET               = 0   # for network
    97. 

  97.     ICMP_REDIRECT_HOST              = 1   # for host
    98. 

  98.     ICMP_REDIRECT_TOSNET            = 2   # for tos and net
    99. 

  99.     ICMP_REDIRECT_TOSHOST           = 3   # for tos and host
    100. 

  100. 

  101.     ICMP_RTRADVERT_NORMAL           = 0   # normal
    102. 

  102.     ICMP_RTRADVERT_NOROUTE_COMMON   = 16  # selective routing
    103. 

  103. 

  104.     ICMP_TIMEXCEED_INTRANS          = 0   # ttl==0 in transit
    105. 

  105.     ICMP_TIMEXCEED_REASS            = 1   # ttl==0 in reass
    106. 

  106. 

  107.     ICMP_PARAMPROB_ERRATPTR         = 0   # req. opt. absent
    108. 

  108.     ICMP_PARAMPROB_OPTABSENT        = 1   # req. opt. absent
    109. 

  109.     ICMP_PARAMPROB_LENGTH           = 2   # bad length
    110. 

  110. 

  111.     ICMP_PHOTURIS_UNKNOWN_INDEX     = 0   # unknown sec index
    112. 

  112.     ICMP_PHOTURIS_AUTH_FAILED       = 1   # auth failed
    113. 

  113.     ICMP_PHOTURIS_DECOMPRESS_FAILED = 2   # decompress failed
    114. 

  114.     ICMP_PHOTURIS_DECRYPT_FAILED    = 3   # decrypt failed
    115. 

  115.     ICMP_PHOTURIS_NEED_AUTHN        = 4   # no authentication
    116. 

  116.     ICMP_PHOTURIS_NEED_AUTHZ        = 5   # no authorization
    117. 

  117. 

  118. 

  119.     ICMP_RTR_PREF_NODEFAULT =  0x80000000  # do not use as default gw
    120. 

  120. 

  121. 

  122.     IP_ADDR_LEN     = 4    # IP address length
    123. 

  123.     IP_ADDR_BITS    = 32   # IP address bits
    124. 

  124.     IP_HDR_LEN      = 20   # base IP header length
    125. 

  125.     IP_OPT_LEN      = 2    # base IP option length
    126. 

  126.     IP_OPT_LEN_MAX  = 40
    127. 

  127.     IP_HDR_LEN_MAX  = (IP_HDR_LEN + IP_OPT_LEN_MAX)
    128. 

  128.     IP_LEN_MAX      = 65535
    129. 

  129.     IP_LEN_MIN      = IP_HDR_LEN
    130. 

  130. 

  131.     IP_TOS_DEFAULT              = 0x00    # default
    132. 

  132.     IP_TOS_LOWDELAY             = 0x10    # low delay
    133. 

  133.     IP_TOS_THROUGHPUT           = 0x08    # high throughput
    134. 

  134.     IP_TOS_RELIABILITY          = 0x04    # high reliability
    135. 

  135.     IP_TOS_LOWCOST              = 0x02    # low monetary cost - XXX
    136. 

  136.     IP_TOS_ECT                  = 0x02    # ECN-capable transport
    137. 

  137.     IP_TOS_CE                   = 0x01    # congestion experienced
    138. 

  138. 

  139.     IP_TOS__PREC_ROUTINE         = 0x00
    140. 

  140.     IP_TOS__PREC_PRIORITY        = 0x20
    141. 

  141.     IP_TOS__PREC_IMMEDIATE       = 0x40
    142. 

  142.     IP_TOS__PREC_FLASH           = 0x60
    143. 

  143.     IP_TOS__PREC_FLASHOVERRIDE   = 0x80
    144. 

  144.     IP_TOS__PREC_CRITIC_ECP      = 0xa0
    145. 

  145.     IP_TOS__PREC_INTERNETCONTROL = 0xc0
    146. 

  146.     IP_TOS__PREC_NETCONTROL      = 0xe0
    147. 

  147. 

  148.     IP_RF                       = 0x8000 # reserved
    149. 

  149.     IP_DF                       = 0x4000 # don't fragment
    150. 

  150.     IP_MF                       = 0x2000 # more fragments (not last frag)
    151. 

  151.     IP_OFFMASK                  = 0x1fff # mask for fragment offset
    152. 

  152. 

  153.     IP_TTL_DEFAULT = 64     # default ttl, RFC 1122, RFC 1340
    154. 

  154.     IP_TTL_MAX     = 255    # maximum ttl
    155. 

  155. 

  156. 

  157.     # Protocols (proto) - http://www.iana.org/assignments/protocol-numbers
    158. 

  158. 

  159.     IP_PROTO_IP         = 0            # dummy for IP
    160. 

  160.     IP_PROTO_ICMP       = 1            # ICMP
    161. 

  161.     IP_PROTO_IGMP       = 2            # IGMP
    162. 

  162.     IP_PROTO_GGP        = 3            # gateway-gateway protocol
    163. 

  163.     IP_PROTO_IPIP       = 4            # IP in IP
    164. 

  164.     IP_PROTO_ST         = 5            # ST datagram mode
    165. 

  165.     IP_PROTO_TCP        = 6            # TCP
    166. 

  166.     IP_PROTO_CBT        = 7            # CBT
    167. 

  167.     IP_PROTO_EGP        = 8            # exterior gateway protocol
    168. 

  168.     IP_PROTO_IGP        = 9            # interior gateway protocol
    169. 

  169.     IP_PROTO_BBNRCC     = 10           # BBN RCC monitoring
    170. 

  170.     IP_PROTO_NVP        = 11           # Network Voice Protocol
    171. 

  171.     IP_PROTO_PUP        = 12           # PARC universal packet
    172. 

  172.     IP_PROTO_ARGUS      = 13           # ARGUS
    173. 

  173.     IP_PROTO_EMCON      = 14           # EMCON
    174. 

  174.     IP_PROTO_XNET       = 15           # Cross Net Debugger
    175. 

  175.     IP_PROTO_CHAOS      = 16           # Chaos
    176. 

  176.     IP_PROTO_UDP        = 17           # UDP
    177. 

  177.     IP_PROTO_MUX        = 18           # multiplexing
    178. 

  178.     IP_PROTO_DCNMEAS    = 19           # DCN measurement
    179. 

  179.     IP_PROTO_HMP        = 20           # Host Monitoring Protocol
    180. 

  180.     IP_PROTO_PRM        = 21           # Packet Radio Measurement
    181. 

  181.     IP_PROTO_IDP        = 22           # Xerox NS IDP
    182. 

  182.     IP_PROTO_TRUNK1     = 23           # Trunk-1
    183. 

  183.     IP_PROTO_TRUNK2     = 24           # Trunk-2
    184. 

  184.     IP_PROTO_LEAF1      = 25           # Leaf-1
    185. 

  185.     IP_PROTO_LEAF2      = 26           # Leaf-2
    186. 

  186.     IP_PROTO_RDP        = 27           # "Reliable Datagram" proto
    187. 

  187.     IP_PROTO_IRTP       = 28           # Inet Reliable Transaction
    188. 

  188.     IP_PROTO_TP         = 29           # ISO TP class 4
    189. 

  189.     IP_PROTO_NETBLT     = 30           # Bulk Data Transfer
    190. 

  190.     IP_PROTO_MFPNSP     = 31           # MFE Network Services
    191. 

  191.     IP_PROTO_MERITINP   = 32           # Merit Internodal Protocol
    192. 

  192.     IP_PROTO_SEP        = 33           # Sequential Exchange proto
    193. 

  193.     IP_PROTO_THIRDPC    = 34           # Third Party Connect proto
    194. 

  194.     IP_PROTO_IDPR       = 35           # Interdomain Policy Route
    195. 

  195.     IP_PROTO_XTP        = 36           # Xpress Transfer Protocol
    196. 

  196.     IP_PROTO_DDP        = 37           # Datagram Delivery Proto
    197. 

  197.     IP_PROTO_CMTP       = 38           # IDPR Ctrl Message Trans
    198. 

  198.     IP_PROTO_TPPP       = 39           # TP++ Transport Protocol
    199. 

  199.     IP_PROTO_IL         = 40           # IL Transport Protocol
    200. 

  200.     IP_PROTO_IPV6       = 41           # IPv6
    201. 

  201.     IP_PROTO_SDRP       = 42           # Source Demand Routing
    202. 

  202.     IP_PROTO_ROUTING    = 43           # IPv6 routing header
    203. 

  203.     IP_PROTO_FRAGMENT   = 44           # IPv6 fragmentation header
    204. 

  204.     IP_PROTO_RSVP       = 46           # Reservation protocol
    205. 

  205.     IP_PROTO_GRE        = 47           # General Routing Encap
    206. 

  206.     IP_PROTO_MHRP       = 48           # Mobile Host Routing
    207. 

  207.     IP_PROTO_ENA        = 49           # ENA
    208. 

  208.     IP_PROTO_ESP        = 50           # Encap Security Payload
    209. 

  209.     IP_PROTO_AH         = 51           # Authentication Header
    210. 

  210.     IP_PROTO_INLSP      = 52           # Integated Net Layer Sec
    211. 

  211.     IP_PROTO_SWIPE      = 53           # SWIPE
    212. 

  212.     IP_PROTO_NARP       = 54           # NBMA Address Resolution
    213. 

  213.     IP_PROTO_MOBILE     = 55           # Mobile IP, RFC 2004
    214. 

  214.     IP_PROTO_TLSP       = 56           # Transport Layer Security
    215. 

  215.     IP_PROTO_SKIP       = 57           # SKIP
    216. 

  216.     IP_PROTO_ICMPV6     = 58           # ICMP for IPv6
    217. 

  217.     IP_PROTO_NONE       = 59           # IPv6 no next header
    218. 

  218.     IP_PROTO_DSTOPTS    = 60           # IPv6 destination options
    219. 

  219.     IP_PROTO_ANYHOST    = 61           # any host internal proto
    220. 

  220.     IP_PROTO_CFTP       = 62           # CFTP
    221. 

  221.     IP_PROTO_ANYNET     = 63           # any local network
    222. 

  222.     IP_PROTO_EXPAK      = 64           # SATNET and Backroom EXPAK
    223. 

  223.     IP_PROTO_KRYPTOLAN  = 65           # Kryptolan
    224. 

  224.     IP_PROTO_RVD        = 66           # MIT Remote Virtual Disk
    225. 

  225.     IP_PROTO_IPPC       = 67           # Inet Pluribus Packet Core
    226. 

  226.     IP_PROTO_DISTFS     = 68           # any distributed fs
    227. 

  227.     IP_PROTO_SATMON     = 69           # SATNET Monitoring
    228. 

  228.     IP_PROTO_VISA       = 70           # VISA Protocol
    229. 

  229.     IP_PROTO_IPCV       = 71           # Inet Packet Core Utility
    230. 

  230.     IP_PROTO_CPNX       = 72           # Comp Proto Net Executive
    231. 

  231.     IP_PROTO_CPHB       = 73           # Comp Protocol Heart Beat
    232. 

  232.     IP_PROTO_WSN        = 74           # Wang Span Network
    233. 

  233.     IP_PROTO_PVP        = 75           # Packet Video Protocol
    234. 

  234.     IP_PROTO_BRSATMON   = 76           # Backroom SATNET Monitor
    235. 

  235.     IP_PROTO_SUNND      = 77           # SUN ND Protocol
    236. 

  236.     IP_PROTO_WBMON      = 78           # WIDEBAND Monitoring
    237. 

  237.     IP_PROTO_WBEXPAK    = 79           # WIDEBAND EXPAK
    238. 

  238.     IP_PROTO_EON        = 80           # ISO CNLP
    239. 

  239.     IP_PROTO_VMTP       = 81           # Versatile Msg Transport
    240. 

  240.     IP_PROTO_SVMTP      = 82           # Secure VMTP
    241. 

  241.     IP_PROTO_VINES      = 83           # VINES
    242. 

  242.     IP_PROTO_TTP        = 84           # TTP
    243. 

  243.     IP_PROTO_NSFIGP     = 85           # NSFNET-IGP
    244. 

  244.     IP_PROTO_DGP        = 86           # Dissimilar Gateway Proto
    245. 

  245.     IP_PROTO_TCF        = 87           # TCF
    246. 

  246.     IP_PROTO_EIGRP      = 88           # EIGRP
    247. 

  247.     IP_PROTO_OSPF       = 89           # Open Shortest Path First
    248. 

  248.     IP_PROTO_SPRITERPC  = 90           # Sprite RPC Protocol
    249. 

  249.     IP_PROTO_LARP       = 91           # Locus Address Resolution
    250. 

  250.     IP_PROTO_MTP        = 92           # Multicast Transport Proto
    251. 

  251.     IP_PROTO_AX25       = 93           # AX.25 Frames
    252. 

  252.     IP_PROTO_IPIPENCAP  = 94           # yet-another IP encap
    253. 

  253.     IP_PROTO_MICP       = 95           # Mobile Internet Ctrl
    254. 

  254.     IP_PROTO_SCCSP      = 96           # Semaphore Comm Sec Proto
    255. 

  255.     IP_PROTO_ETHERIP    = 97           # Ethernet in IPv4
    256. 

  256.     IP_PROTO_ENCAP      = 98           # encapsulation header
    257. 

  257.     IP_PROTO_ANYENC     = 99           # private encryption scheme
    258. 

  258.     IP_PROTO_GMTP       = 100          # GMTP
    259. 

  259.     IP_PROTO_IFMP       = 101          # Ipsilon Flow Mgmt Proto
    260. 

  260.     IP_PROTO_PNNI       = 102          # PNNI over IP
    261. 

  261.     IP_PROTO_PIM        = 103          # Protocol Indep Multicast
    262. 

  262.     IP_PROTO_ARIS       = 104          # ARIS
    263. 

  263.     IP_PROTO_SCPS       = 105          # SCPS
    264. 

  264.     IP_PROTO_QNX        = 106          # QNX
    265. 

  265.     IP_PROTO_AN         = 107          # Active Networks
    266. 

  266.     IP_PROTO_IPCOMP     = 108          # IP Payload Compression
    267. 

  267.     IP_PROTO_SNP        = 109          # Sitara Networks Protocol
    268. 

  268.     IP_PROTO_COMPAQPEER = 110          # Compaq Peer Protocol
    269. 

  269.     IP_PROTO_IPXIP      = 111          # IPX in IP
    270. 

  270.     IP_PROTO_VRRP       = 112          # Virtual Router Redundancy
    271. 

  271.     IP_PROTO_PGM        = 113          # PGM Reliable Transport
    272. 

  272.     IP_PROTO_ANY0HOP    = 114          # 0-hop protocol
    273. 

  273.     IP_PROTO_L2TP       = 115          # Layer 2 Tunneling Proto
    274. 

  274.     IP_PROTO_DDX        = 116          # D-II Data Exchange (DDX)
    275. 

  275.     IP_PROTO_IATP       = 117          # Interactive Agent Xfer
    276. 

  276.     IP_PROTO_STP        = 118          # Schedule Transfer Proto
    277. 

  277.     IP_PROTO_SRP        = 119          # SpectraLink Radio Proto
    278. 

  278.     IP_PROTO_UTI        = 120          # UTI
    279. 

  279.     IP_PROTO_SMP        = 121          # Simple Message Protocol
    280. 

  280.     IP_PROTO_SM         = 122          # SM
    281. 

  281.     IP_PROTO_PTP        = 123          # Performance Transparency
    282. 

  282.     IP_PROTO_ISIS       = 124          # ISIS over IPv4
    283. 

  283.     IP_PROTO_FIRE       = 125          # FIRE
    284. 

  284.     IP_PROTO_CRTP       = 126          # Combat Radio Transport
    285. 

  285.     IP_PROTO_CRUDP      = 127          # Combat Radio UDP
    286. 

  286.     IP_PROTO_SSCOPMCE   = 128          # SSCOPMCE
    287. 

  287.     IP_PROTO_IPLT       = 129          # IPLT
    288. 

  288.     IP_PROTO_SPS        = 130          # Secure Packet Shield
    289. 

  289.     IP_PROTO_PIPE       = 131          # Private IP Encap in IP
    290. 

  290.     IP_PROTO_SCTP       = 132          # Stream Ctrl Transmission
    291. 

  291.     IP_PROTO_FC         = 133          # Fibre Channel
    292. 

  292.     IP_PROTO_RSVPIGN    = 134          # RSVP-E2E-IGNORE
    293. 

  293.     IP_PROTO_RAW        = 255          # Raw IP packets
    294. 

  294. 

  295.     IP_PROTO__RESERVED  = IP_PROTO_RAW     # Reserved
    296. 

  296.     IP_PROTO__HOPOPTS   = IP_PROTO_IP      # IPv6 hop-by-hop options
    297. 

  297.     IP_PROTO_3PC        = IP_PROTO_THIRDPC  # Third Party Connect proto
    298. 

  298. 

  299.     # Opt bits
    300. 

  300. 

  301.     IP_OPT_CONTROL   = 0x00 # control
    302. 

  302.     IP_OPT_DEBMEAS   = 0x40 # debugging & measurement
    303. 

  303.     IP_OPT_COPY      = 0x80 # copy into all fragments
    304. 

  304.     IP_OPT_RESERVED1 = 0x20
    305. 

  305.     IP_OPT_RESERVED2 = 0x60
    306. 

  306. 

  307.     # Option types (otype) - http://www.iana.org/assignments/ip-parameters
    308. 

  308.     #
    309. 

  309.     # values renamed IP_OPT_* to IP_OTYPE_*
    310. 

  310. 

  311.     IP_OTYPE_EOL    = 0                               # terminates option list
    312. 

  312.     IP_OTYPE_NOP    = 1                               # no operation
    313. 

  313.     IP_OTYPE_SEC    = (2|IP_OPT_COPY)                 # DoD basic security
    314. 

  314.     IP_OTYPE_LSRR   = (3|IP_OPT_COPY)                 # loose source route
    315. 

  315.     IP_OTYPE_TS     = (4|IP_OPT_DEBMEAS)              # timestamp
    316. 

  316.     IP_OTYPE_ESEC   = (5|IP_OPT_COPY)                 # DoD extended security
    317. 

  317.     IP_OTYPE_CIPSO  = (6|IP_OPT_COPY)                 # commercial security
    318. 

  318.     IP_OTYPE_RR     = 7                               # record route
    319. 

  319.     IP_OTYPE_SATID  = (8|IP_OPT_COPY)                 # stream ID (obsolete)
    320. 

  320.     IP_OTYPE_SSRR   = (9|IP_OPT_COPY)                 # strict source route
    321. 

  321.     IP_OTYPE_ZSU    = 10                              # experimental measurement
    322. 

  322.     IP_OTYPE_MTUP   = 11                              # MTU probe
    323. 

  323.     IP_OTYPE_MTUR   = 12                              # MTU reply
    324. 

  324.     IP_OTYPE_FINN   = (13|IP_OPT_COPY|IP_OPT_DEBMEAS) # exp flow control
    325. 

  325.     IP_OTYPE_VISA   = (14|IP_OPT_COPY)                # exp access control
    326. 

  326.     IP_OTYPE_ENCODE = 15                              # ???
    327. 

  327.     IP_OTYPE_IMITD  = (16|IP_OPT_COPY)                # IMI traffic descriptor
    328. 

  328.     IP_OTYPE_EIP    = (17|IP_OPT_COPY)                # extended IP, RFC 1385
    329. 

  329.     IP_OTYPE_TR     = (18|IP_OPT_DEBMEAS)             # traceroute
    330. 

  330.     IP_OTYPE_ADDEXT = (19|IP_OPT_COPY)                # IPv7 ext addr, RFC 1475
    331. 

  331.     IP_OTYPE_RTRALT = (20|IP_OPT_COPY)                # router alert, RFC 2113
    332. 

  332.     IP_OTYPE_SDB    = (21|IP_OPT_COPY)                # directed bcast, RFC 1770
    333. 

  333.     IP_OTYPE_NSAPA  = (22|IP_OPT_COPY)                # NSAP addresses
    334. 

  334.     IP_OTYPE_DPS    = (23|IP_OPT_COPY)                # dynamic packet state
    335. 

  335.     IP_OTYPE_UMP    = (24|IP_OPT_COPY)                # upstream multicast
    336. 

  336.     IP_OTYPE_MAX    = 25
    337. 

  337. 

  338.     # Security option data - RFC 791, 3.1
    339. 

  339. 

  340.     IP_OPT_SEC_UNCLASS   = 0x0000 # unclassified
    341. 

  341.     IP_OPT_SEC_CONFID    = 0xf135 # confidential
    342. 

  342.     IP_OPT_SEC_EFTO      = 0x789a # EFTO
    343. 

  343.     IP_OPT_SEC_MMMM      = 0xbc4d # MMMM
    344. 

  344.     IP_OPT_SEC_PROG      = 0x5e26 # PROG
    345. 

  345.     IP_OPT_SEC_RESTR     = 0xaf13 # restricted
    346. 

  346.     IP_OPT_SEC_SECRET    = 0xd788 # secret
    347. 

  347.     IP_OPT_SEC_TOPSECRET = 0x6bc5 # top secret
    348. 

  348. 

  349.     # Timestamp option data - RFC 791, 3.1
    350. 

  350. 

  351.     IP_OPT_TS_TSONLY  = 0 # timestamps only
    352. 

  352.     IP_OPT_TS_TSADDR  = 1 # IP address / timestamp pairs
    353. 

  353.     IP_OPT_TS_PRESPEC = 3 # IP address / zero timestamp pairs
    354. 

  354. 

  355. 

  356.     IP6_ADDR_LEN  = 16
    357. 

  357.     IP6_ADDR_BITS = 128
    358. 

  358. 

  359.     IP6_HDR_LEN   = 40          # IPv6 header length
    360. 

  360.     IP6_LEN_MIN   = IP6_HDR_LEN
    361. 

  361.     IP6_LEN_MAX   = 65535       # non-jumbo payload
    362. 

  362. 

  363.     IP6_MTU_MIN   = 1280        # minimum MTU (1024 + 256)
    364. 

  364.       
    365. 

  365.     IP6_VERSION      = 0x60
    366. 

  366.     IP6_VERSION_MASK = 0xf0     # ip6_vfc version
    367. 

  367.       
    368. 

  368. 

  369.     # Hop limit (ip6_hlim)
    370. 

  370.     IP6_HLIM_DEFAULT =	64
    371. 

  371.     IP6_HLIM_MAX		 = 255
    372. 

  372. 

  373. 

  374.     # Fragmentation offset, reserved, and flags (offlg)
    375. 

  375. 

  376.     IP6_OFF_MASK      = 0xfff8  # mask out offset from offlg
    377. 

  377.     IP6_RESERVED_MASK = 0x0006  # reserved bits in offlg
    378. 

  378.     IP6_MORE_FRAG     = 0x0001  # more-fragments flag
    379. 

  379. 

  380. 

  381.     # XXX implement? IP6_OPT_TYPE(o)
    382. 

  382.     #define IP6_OPT_TYPE(o)		((o) & 0xC0)	/* high 2 bits of opt_type */
    383. 

  383. 

  384.     IP6_OPT_PAD1           = 0x00   # 00 0 00000
    385. 

  385.     IP6_OPT_PADN           = 0x01   # 00 0 00001
    386. 

  386.     IP6_OPT_JUMBO          = 0xC2   # 11 0 00010 = 194
    387. 

  387.     IP6_OPT_JUMBO_LEN      = 6
    388. 

  388.     IP6_OPT_RTALERT        = 0x05   # 00 0 00101
    389. 

  389.     IP6_OPT_RTALERT_LEN    = 4
    390. 

  390.     IP6_OPT_RTALERT_MLD    = 0      # Datagram contains an MLD message
    391. 

  391.     IP6_OPT_RTALERT_RSVP   = 1      # Datagram contains an RSVP message
    392. 

  392.     IP6_OPT_RTALERT_ACTNET = 2      # contains an Active Networks msg
    393. 

  393.     IP6_OPT_LEN_MIN        = 2
    394. 

  394. 

  395.     IP6_OPT_TYPE_SKIP      = 0x00   # continue processing on failure
    396. 

  396.     IP6_OPT_TYPE_DISCARD   = 0x40   # discard packet on failure
    397. 

  397.     IP6_OPT_TYPE_FORCEICMP = 0x80   # discard and send ICMP on failure
    398. 

  398.     IP6_OPT_TYPE_ICMP      = 0xC0   # ...only if non-multicast dst
    399. 

  399. 

  400.     IP6_OPT_MUTABLE        = 0x20   # option data may change en route
    401. 

  401. 

  402. 

  403.     TCP_HDR_LEN     = 20    # base TCP header length
    404. 

  404.     TCP_OPT_LEN     = 2     # base TCP option length
    405. 

  405.     TCP_OPT_LEN_MAX = 40
    406. 

  406.     TCP_HDR_LEN_MAX = (TCP_HDR_LEN + TCP_OPT_LEN_MAX)
    407. 

  407. 

  408.     TCP_PORT_MAX = 65535    # maximum port
    409. 

  409.     TCP_WIN_MAX  = 65535    # maximum (unscaled) window
    410. 

  410. 

  411.     TH_FIN   = 0x01    # terminates data
    412. 

  412.     TH_SYN   = 0x02    # synchronize sequence numbers
    413. 

  413.     TH_RST   = 0x04    # reset connection
    414. 

  414.     TH_PUSH  = 0x08    # push
    415. 

  415.     TH_ACK   = 0x10    # acknowledgment number set
    416. 

  416.     TH_URG   = 0x20    # urgent pointer set
    417. 

  417.     TH_ECE   = 0x40    # ECN echo, RFC 3168
    418. 

  418.     TH_CWR   = 0x80    # congestion window reduced
    419. 

  419. 

  420. 

  421.     # TCP FSM states
    422. 

  422. 

  423.     TCP_STATE_CLOSED       = 0    # closed
    424. 

  424.     TCP_STATE_LISTEN       = 1    # listening from connection
    425. 

  425.     TCP_STATE_SYN_SENT     = 2    # active, have sent SYN
    426. 

  426.     TCP_STATE_SYN_RECEIVED = 3    # have sent and received SYN
    427. 

  427. 

  428.     TCP_STATE_ESTABLISHED  = 4    # established
    429. 

  429.     TCP_STATE_CLOSE_WAIT   = 5    # rcvd FIN, waiting for close
    430. 

  430. 

  431.     TCP_STATE_FIN_WAIT_1   = 6    # have closed, sent FIN
    432. 

  432.     TCP_STATE_CLOSING      = 7    # closed xchd FIN, await FIN-ACK
    433. 

  433.     TCP_STATE_LAST_ACK     = 8    # had FIN and close, await FIN-ACK
    434. 

  434. 

  435.     TCP_STATE_FIN_WAIT_2   = 9    # have closed, FIN is acked
    436. 

  436.     TCP_STATE_TIME_WAIT    = 10   # in 2*MSL quiet wait after close
    437. 

  437. 

  438.     TCP_STATE_MAX          = 11
    439. 

  439. 

  440. 

  441.     # Options (opt_type) - http://www.iana.org/assignments/tcp-parameters
    442. 

  442.     #
    443. 

  443.     # renamed TCP_OPT_* to TCP_OTYPE_*
    444. 

  444. 

  445.     TCP_OTYPE_EOL        = 0    # end of option list
    446. 

  446.     TCP_OTYPE_NOP        = 1    # no operation
    447. 

  447.     TCP_OTYPE_MSS        = 2    # maximum segment size
    448. 

  448.     TCP_OTYPE_WSCALE     = 3    # window scale factor, RFC 1072
    449. 

  449.     TCP_OTYPE_SACKOK     = 4    # SACK permitted, RFC 2018
    450. 

  450.     TCP_OTYPE_SACK       = 5    # SACK, RFC 2018
    451. 

  451.     TCP_OTYPE_ECHO       = 6    # echo (obsolete), RFC 1072
    452. 

  452.     TCP_OTYPE_ECHOREPLY  = 7    # echo reply (obsolete), RFC 1072
    453. 

  453.     TCP_OTYPE_TIMESTAMP  = 8    # timestamp, RFC 1323
    454. 

  454.     TCP_OTYPE_POCONN     = 9    # partial order conn, RFC 1693
    455. 

  455.     TCP_OTYPE_POSVC      = 10   # partial order service, RFC 1693
    456. 

  456.     TCP_OTYPE_CC         = 11   # connection count, RFC 1644
    457. 

  457.     TCP_OTYPE_CCNEW      = 12   # CC.NEW, RFC 1644
    458. 

  458.     TCP_OTYPE_CCECHO     = 13   # CC.ECHO, RFC 1644
    459. 

  459.     TCP_OTYPE_ALTSUM     = 14   # alt checksum request, RFC 1146
    460. 

  460.     TCP_OTYPE_ALTSUMDATA = 15   # alt checksum data, RFC 1146
    461. 

  461.     TCP_OTYPE_SKEETER    = 16   # Skeeter
    462. 

  462.     TCP_OTYPE_BUBBA      = 17   # Bubba
    463. 

  463.     TCP_OTYPE_TRAILSUM   = 18   # trailer checksum
    464. 

  464.     TCP_OTYPE_MD5        = 19   # MD5 signature, RFC 2385
    465. 

  465.     TCP_OTYPE_SCPS       = 20   # SCPS capabilities
    466. 

  466.     TCP_OTYPE_SNACK      = 21   # selective negative acks
    467. 

  467.     TCP_OTYPE_REC        = 22   # record boundaries
    468. 

  468.     TCP_OTYPE_CORRUPT    = 23   # corruption experienced
    469. 

  469.     TCP_OTYPE_SNAP       = 24   # SNAP
    470. 

  470.     TCP_OTYPE_TCPCOMP    = 26   # TCP compression filter
    471. 

  471.     TCP_OTYPE_MAX        = 27
    472. 

  472. 

  473. 

  474.     UDP_HDR_LEN  = 8
    475. 

  475.     UDP_PORT_MAX = 65535
    476. 

  476. 

  477.     ARC_HDRLEN          = 3
    478. 

  478.     ARC_HDRNEWLEN       = 6
    479. 

  479.     ARC_HDRNEWLEN_EXC   = 10
    480. 

  480.     ARC_LINUX_HDRLEN    = 5
    481. 

  481.     ARC_LINUX_HDRNEWLEN	= 0
    482. 

  482. 

  483.     # /* RFC 1051 */
    484. 

  484. 

  485.     ARCTYPE_IP_OLD    = 240   # IP protocol
    486. 

  486.     ARCTYPE_ARP_OLD   = 241   # address resolution protocol
    487. 

  487. 

  488.     # /* RFC 1201 */
    489. 

  489. 

  490.     ARCTYPE_IP        = 212   # IP protocol
    491. 

  491.     ARCTYPE_ARP       = 213   # address resolution protocol
    492. 

  492.     ARCTYPE_REVARP    = 214   # reverse addr resolution protocol
    493. 

  493.     ARCTYPE_ATALK     = 221   # Appletalk
    494. 

  494.     ARCTYPE_BANIAN    = 247   # Banyan Vines
    495. 

  495.     ARCTYPE_IPX       = 250   # Novell IPX
    496. 

  496.     ARCTYPE_INET6     = 0xc4  # IPng
    497. 

  497.     ARCTYPE_DIAGNOSE  = 0x80  # as per ANSI/ATA 878.1
    498. 

  498. 

  499.   end
    500. 

  500. end
    501. 

  501.