src/vnet/ppp/packet.h

   1 /*
   2  * Copyright (c) 2015 Cisco and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15 #ifndef included_vnet_ppp_packet_h
  16 #define included_vnet_ppp_packet_h
  17
  18 /*
  19  * PPP packet format
  20  *
  21  * Copyright (c) 2009 Eliot Dresselhaus
  22  *
  23  * Permission is hereby granted, free of charge, to any person obtaining
  24  * a copy of this software and associated documentation files (the
  25  * "Software"), to deal in the Software without restriction, including
  26  * without limitation the rights to use, copy, modify, merge, publish,
  27  * distribute, sublicense, and/or sell copies of the Software, and to
  28  * permit persons to whom the Software is furnished to do so, subject to
  29  * the following conditions:
  30  *
  31  * The above copyright notice and this permission notice shall be
  32  * included in all copies or substantial portions of the Software.
  33  *
  34  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  35  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  36  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  37  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  38  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  39  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  40  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  41  */
  42
  43 /*
  44 See http://www.iana.org/assignments/ppp-numbers.
  45
  46 The Point-to-Point Protocol (PPP) Data Link Layer [146,147,175]
  47 contains a 16 bit Protocol field to identify the the encapsulated
  48 protocol.  The Protocol field is consistent with the ISO 3309 (HDLC)
  49 extension mechanism for Address fields.  All Protocols MUST be
  50 assigned such that the least significant bit of the most significant
  51 octet equals "0", and the least significant bit of the least
  52 significant octet equals "1".
  53 */
  54
  55 #define foreach_ppp_protocol                    \
  56 _ (0x0001, padding)                             \
  57 _ (0x0003, rohc_small_cid)                      \
  58 _ (0x0005, rohc_large_cid)                      \
  59 _ (0x0021, ip4)                                 \
  60 _ (0x0023, osi)                                 \
  61 _ (0x0025, xerox_ns_idp)                        \
  62 _ (0x0027, decnet)                              \
  63 _ (0x0029, appletalk)                           \
  64 _ (0x002b, ipx)                                 \
  65 _ (0x002d, vj_compressed_tcp)                   \
  66 _ (0x002f, vj_uncompressed_tcp)                 \
  67 _ (0x0031, bpdu)                                \
  68 _ (0x0033, streams)                             \
  69 _ (0x0035, vines)                               \
  70 _ (0x0039, appletalk_eddp)                      \
  71 _ (0x003b, appletalk_smart_buffered)            \
  72 _ (0x003d, multilink)                           \
  73 _ (0x003f, netbios_framing)                     \
  74 _ (0x0041, cisco)                               \
  75 _ (0x0043, timeplex)                            \
  76 _ (0x0045, fujitsu_lblb)                        \
  77 _ (0x0047, dca_remote_lan)                      \
  78 _ (0x0049, sdtp)                                \
  79 _ (0x004b, sna_over_802_2)                      \
  80 _ (0x004d, sna)                                 \
  81 _ (0x004f, ip6_header_compression)              \
  82 _ (0x0051, knx)                                 \
  83 _ (0x0053, encryption)                          \
  84 _ (0x0055, link_encryption)                     \
  85 _ (0x0057, ip6)                                 \
  86 _ (0x0059, ppp_mux)                             \
  87 _ (0x005b, vendor_specific_a)                   \
  88 _ (0x0061, rtp_iphc_full_header)                \
  89 _ (0x0063, rtp_iphc_compressed_tcp)             \
  90 _ (0x0065, rtp_iphc_compressed_non_tcp)         \
  91 _ (0x0067, rtp_iphc_compressed_udp_8)           \
  92 _ (0x0069, rtp_iphc_compressed_rtp_8)           \
  93 _ (0x006f, stampede)                            \
  94 _ (0x0073, mp_plus)                             \
  95 _ (0x007d, control)                             \
  96 _ (0x00c1, ntcits_ipi)                          \
  97 _ (0x00cf, ppp_nlpid)                           \
  98 _ (0x00fb, multilink_compression)               \
  99 _ (0x00fd, compressed_datagram)                 \
 100 _ (0x0201, 802_1d_hello)                        \
 101 _ (0x0203, ibm_source_routing)                  \
 102 _ (0x0205, dec_lanbridge)                       \
 103 _ (0x0207, cdp)                                 \
 104 _ (0x0209, netcs)                               \
 105 _ (0x020b, stp)                                 \
 106 _ (0x020d, edp)                                 \
 107 _ (0x0211, oscp_a)                              \
 108 _ (0x0213, oscp_b)                              \
 109 _ (0x0231, luxcom)                              \
 110 _ (0x0233, sigma)                               \
 111 _ (0x0235, apple_client_server)                 \
 112 _ (0x0281, mpls_unicast)                        \
 113 _ (0x0283, mpls_multicast)                      \
 114 _ (0x0285, ieee_p1284_4)                        \
 115 _ (0x0287, tetra)                               \
 116 _ (0x0289, multichannel_flow_treatment)         \
 117 _ (0x2063, rtp_iphc_compressed_tcp_no_delta)    \
 118 _ (0x2065, rtp_iphc_context_state)              \
 119 _ (0x2067, rtp_iphc_compressed_udp_16)          \
 120 _ (0x2069, rtp_iphc_compressed_rtp_16)          \
 121 _ (0x4001, cray)                                \
 122 _ (0x4003, cdpd)                                \
 123 _ (0x4005, expand)                              \
 124 _ (0x4007, odsicp)                              \
 125 _ (0x4009, docsis_dll)                          \
 126 _ (0x400B, cetacean)                            \
 127 _ (0x4021, lzs)                                 \
 128 _ (0x4023, reftek)                              \
 129 _ (0x4025, fibre_channel)                       \
 130 _ (0x4027, emit)                                \
 131 _ (0x405b, vendor_specific_b)                   \
 132 _ (0xc021, lcp)                                 \
 133 _ (0xc023, pap)                                 \
 134 _ (0xc025, link_quality_report)                 \
 135 _ (0xc027, shiva_password)                      \
 136 _ (0xc029, cbcp)                                \
 137 _ (0xc02b, bacp)                                \
 138 _ (0xc02d, bap)                                 \
 139 _ (0xc05b, vendor_specific_password)            \
 140 _ (0xc081, container_control)                   \
 141 _ (0xc223, chap)                                \
 142 _ (0xc225, rsa)                                 \
 143 _ (0xc227, extensible_authentication)           \
 144 _ (0xc229, mitsubishi_security_info)            \
 145 _ (0xc26f, stampede_authorization)              \
 146 _ (0xc281, proprietary_authentication_a)        \
 147 _ (0xc283, proprietary_authentication_b)        \
 148 _ (0xc481, proprietary_node_id_authentication)
 149
 150 typedef enum
 151 {
 152 #define _(n,f) PPP_PROTOCOL_##f = n,
 153   foreach_ppp_protocol
 154 #undef _
 155 } ppp_protocol_t;
 156
 157 /* PPP Link Control Protocol (LCP) and Internet Protocol Control Protocol (IPCP) Codes
 158
 159 The Point-to-Point Protocol (PPP) Link Control Protocol (LCP),
 160 the Compression Control Protocol (CCP), Internet Protocol Control
 161 Protocol (IPCP), and other control protocols, contain an 8 bit
 162 Code field which identifies the type of packet. */
 163
 164 #define foreach_ppp_lcp_code                    \
 165 _ (0, vendor_specific)                          \
 166 _ (1, configure_request)                        \
 167 _ (2, configure_ack)                            \
 168 _ (3, configure_nak)                            \
 169 _ (4, configure_reject)                         \
 170 _ (5, terminate_request)                        \
 171 _ (6, terminate_ack)                            \
 172 _ (7, code_reject)                              \
 173 _ (8, protocol_reject)                          \
 174 _ (9, echo_request)                             \
 175 _ (10, echo_reply)                              \
 176 _ (11, discard_request)                         \
 177 _ (12, identification)                          \
 178 _ (13, time_remaining)                          \
 179 _ (14, reset_request)                           \
 180 _ (15, reset_reply)
 181
 182 typedef struct
 183 {
 184   /* Set to 0xff 0x03 */
 185   u8 address, control;
 186
 187   /* Layer 3 protocol for this packet. */
 188   u16 protocol;
 189 } ppp_header_t;
 190
 191 #endif /* included_vnet_ppp_packet_h */
 192
 193 /*
 194  * fd.io coding-style-patch-verification: ON
 195  *
 196  * Local Variables:
 197  * eval: (c-set-style "gnu")
 198  * End:
 199  */