/* * 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. */ /* * ppp.h: types/functions for ppp. * * Copyright (c) 2008 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. */ #ifndef included_ppp_h #define included_ppp_h #include <vnet/vnet.h> #include <vnet/ppp/packet.h> extern vnet_hw_interface_class_t ppp_hw_interface_class; typedef enum { #define ppp_error(n,s) PPP_ERROR_##n, #include <vnet/ppp/error.def> #undef ppp_error PPP_N_ERROR, } ppp_error_t; typedef struct { /* Name (a c string). */ char *name; /* PPP protocol type in host byte order. */ ppp_protocol_t protocol; /* Node which handles this type. */ u32 node_index; /* Next index for this type. */ u32 next_index; } ppp_protocol_info_t; typedef struct { vlib_main_t *vlib_main; ppp_protocol_info_t *protocol_infos; /* Hash tables mapping name/protocol to protocol info index. */ uword *protocol_info_by_name, *protocol_info_by_protocol; } ppp_main_t; always_inline ppp_protocol_info_t * ppp_get_protocol_info (ppp_main_t * em, ppp_protocol_t protocol) { uword *p = hash_get (em->protocol_info_by_protocol, protocol); return p ? vec_elt_at_index (em->protocol_infos, p[0]) : 0; } extern ppp_main_t ppp_main; /* Register given node index to take input for given ppp type. */ void ppp_register_input_type (vlib_main_t * vm, ppp_protocol_t protocol, u32 node_index); format_function_t format_ppp_protocol; format_function_t format_ppp_header; format_function_t format_ppp_header_with_length; /* Parse ppp protocol as 0xXXXX or protocol name. In either host or network byte order. */ unformat_function_t unformat_ppp_protocol_host_byte_order; unformat_function_t unformat_ppp_protocol_net_byte_order; /* Parse ppp header. */ unformat_function_t unformat_ppp_header; unformat_function_t unformat_pg_ppp_header; void ppp_register_input_protocol (vlib_main_t * vm, ppp_protocol_t protocol, u32 node_index); #endif /* included_ppp_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */