From cb9cadad578297ffd78fa8a33670bdf1ab669e7e Mon Sep 17 00:00:00 2001 From: Ed Warnicke Date: Tue, 8 Dec 2015 15:45:58 -0700 Subject: Initial commit of vpp code. Change-Id: Ib246f1fbfce93274020ee93ce461e3d8bd8b9f17 Signed-off-by: Ed Warnicke --- vnet/vnet/ppp/ppp.h | 127 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 vnet/vnet/ppp/ppp.h (limited to 'vnet/vnet/ppp/ppp.h') diff --git a/vnet/vnet/ppp/ppp.h b/vnet/vnet/ppp/ppp.h new file mode 100644 index 00000000000..e512df7f108 --- /dev/null +++ b/vnet/vnet/ppp/ppp.h @@ -0,0 +1,127 @@ +/* + * 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 +#include +#include + +vnet_hw_interface_class_t ppp_hw_interface_class; + +typedef enum { +#define ppp_error(n,s) PPP_ERROR_##n, +#include +#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); + +void ppp_set_adjacency (vnet_rewrite_header_t * rw, + uword max_data_bytes, + ppp_protocol_t protocol); + +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; + +always_inline void +ppp_setup_node (vlib_main_t * vm, u32 node_index) +{ + vlib_node_t * n = vlib_get_node (vm, node_index); + pg_node_t * pn = pg_get_node (node_index); + + n->format_buffer = format_ppp_header_with_length; + n->unformat_buffer = unformat_ppp_header; + pn->unformat_edit = unformat_pg_ppp_header; +} + +void +ppp_register_input_protocol (vlib_main_t * vm, + ppp_protocol_t protocol, + u32 node_index); + +#endif /* included_ppp_h */ -- cgit 1.2.3-korg