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Diffstat (limited to 'src/vnet/ppp/packet.h')
| -rw-r--r-- | src/vnet/ppp/packet.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/vnet/ppp/packet.h b/src/vnet/ppp/packet.h new file mode 100644 index 00000000..cab9743d --- /dev/null +++ b/src/vnet/ppp/packet.h @@ -0,0 +1,199 @@ +/* + * Copyright (c) 2015 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef included_vnet_ppp_packet_h +#define included_vnet_ppp_packet_h + +/* + * PPP packet format + * + * Copyright (c) 2009 Eliot Dresselhaus + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* +See http://www.iana.org/assignments/ppp-numbers. + +The Point-to-Point Protocol (PPP) Data Link Layer [146,147,175] +contains a 16 bit Protocol field to identify the the encapsulated +protocol. The Protocol field is consistent with the ISO 3309 (HDLC) +extension mechanism for Address fields. All Protocols MUST be +assigned such that the least significant bit of the most significant +octet equals "0", and the least significant bit of the least +significant octet equals "1". +*/ + +#define foreach_ppp_protocol \ +_ (0x0001, padding) \ +_ (0x0003, rohc_small_cid) \ +_ (0x0005, rohc_large_cid) \ +_ (0x0021, ip4) \ +_ (0x0023, osi) \ +_ (0x0025, xerox_ns_idp) \ +_ (0x0027, decnet) \ +_ (0x0029, appletalk) \ +_ (0x002b, ipx) \ +_ (0x002d, vj_compressed_tcp) \ +_ (0x002f, vj_uncompressed_tcp) \ +_ (0x0031, bpdu) \ +_ (0x0033, streams) \ +_ (0x0035, vines) \ +_ (0x0039, appletalk_eddp) \ +_ (0x003b, appletalk_smart_buffered) \ +_ (0x003d, multilink) \ +_ (0x003f, netbios_framing) \ +_ (0x0041, cisco) \ +_ (0x0043, timeplex) \ +_ (0x0045, fujitsu_lblb) \ +_ (0x0047, dca_remote_lan) \ +_ (0x0049, sdtp) \ +_ (0x004b, sna_over_802_2) \ +_ (0x004d, sna) \ +_ (0x004f, ip6_header_compression) \ +_ (0x0051, knx) \ +_ (0x0053, encryption) \ +_ (0x0055, link_encryption) \ +_ (0x0057, ip6) \ +_ (0x0059, ppp_mux) \ +_ (0x005b, vendor_specific_a) \ +_ (0x0061, rtp_iphc_full_header) \ +_ (0x0063, rtp_iphc_compressed_tcp) \ +_ (0x0065, rtp_iphc_compressed_non_tcp) \ +_ (0x0067, rtp_iphc_compressed_udp_8) \ +_ (0x0069, rtp_iphc_compressed_rtp_8) \ +_ (0x006f, stampede) \ +_ (0x0073, mp_plus) \ +_ (0x007d, control) \ +_ (0x00c1, ntcits_ipi) \ +_ (0x00cf, ppp_nlpid) \ +_ (0x00fb, multilink_compression) \ +_ (0x00fd, compressed_datagram) \ +_ (0x0201, 802_1d_hello) \ +_ (0x0203, ibm_source_routing) \ +_ (0x0205, dec_lanbridge) \ +_ (0x0207, cdp) \ +_ (0x0209, netcs) \ +_ (0x020b, stp) \ +_ (0x020d, edp) \ +_ (0x0211, oscp_a) \ +_ (0x0213, oscp_b) \ +_ (0x0231, luxcom) \ +_ (0x0233, sigma) \ +_ (0x0235, apple_client_server) \ +_ (0x0281, mpls_unicast) \ +_ (0x0283, mpls_multicast) \ +_ (0x0285, ieee_p1284_4) \ +_ (0x0287, tetra) \ +_ (0x0289, multichannel_flow_treatment) \ +_ (0x2063, rtp_iphc_compressed_tcp_no_delta) \ +_ (0x2065, rtp_iphc_context_state) \ +_ (0x2067, rtp_iphc_compressed_udp_16) \ +_ (0x2069, rtp_iphc_compressed_rtp_16) \ +_ (0x4001, cray) \ +_ (0x4003, cdpd) \ +_ (0x4005, expand) \ +_ (0x4007, odsicp) \ +_ (0x4009, docsis_dll) \ +_ (0x400B, cetacean) \ +_ (0x4021, lzs) \ +_ (0x4023, reftek) \ +_ (0x4025, fibre_channel) \ +_ (0x4027, emit) \ +_ (0x405b, vendor_specific_b) \ +_ (0xc021, lcp) \ +_ (0xc023, pap) \ +_ (0xc025, link_quality_report) \ +_ (0xc027, shiva_password) \ +_ (0xc029, cbcp) \ +_ (0xc02b, bacp) \ +_ (0xc02d, bap) \ +_ (0xc05b, vendor_specific_password) \ +_ (0xc081, container_control) \ +_ (0xc223, chap) \ +_ (0xc225, rsa) \ +_ (0xc227, extensible_authentication) \ +_ (0xc229, mitsubishi_security_info) \ +_ (0xc26f, stampede_authorization) \ +_ (0xc281, proprietary_authentication_a) \ +_ (0xc283, proprietary_authentication_b) \ +_ (0xc481, proprietary_node_id_authentication) + +typedef enum +{ +#define _(n,f) PPP_PROTOCOL_##f = n, + foreach_ppp_protocol +#undef _ +} ppp_protocol_t; + +/* PPP Link Control Protocol (LCP) and Internet Protocol Control Protocol (IPCP) Codes + +The Point-to-Point Protocol (PPP) Link Control Protocol (LCP), +the Compression Control Protocol (CCP), Internet Protocol Control +Protocol (IPCP), and other control protocols, contain an 8 bit +Code field which identifies the type of packet. */ + +#define foreach_ppp_lcp_code \ +_ (0, vendor_specific) \ +_ (1, configure_request) \ +_ (2, configure_ack) \ +_ (3, configure_nak) \ +_ (4, configure_reject) \ +_ (5, terminate_request) \ +_ (6, terminate_ack) \ +_ (7, code_reject) \ +_ (8, protocol_reject) \ +_ (9, echo_request) \ +_ (10, echo_reply) \ +_ (11, discard_request) \ +_ (12, identification) \ +_ (13, time_remaining) \ +_ (14, reset_request) \ +_ (15, reset_reply) + +typedef struct +{ + /* Set to 0xff 0x03 */ + u8 address, control; + + /* Layer 3 protocol for this packet. */ + u16 protocol; +} ppp_header_t; + +#endif /* included_vnet_ppp_packet_h */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |