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Ed Warnickecb9cada2015-12-08 15:45:58 -07001/*
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 */
Neale Ranns1357f3b2016-10-16 12:01:42 -070015#ifndef included_vnet_mpls_h
16#define included_vnet_mpls_h
Ed Warnickecb9cada2015-12-08 15:45:58 -070017
18#include <vnet/vnet.h>
Neale Ranns0bfe5d82016-08-25 15:29:12 +010019#include <vnet/mpls/packet.h>
20#include <vnet/mpls/mpls_types.h>
Ed Warnickecb9cada2015-12-08 15:45:58 -070021#include <vnet/ip/ip4_packet.h>
22#include <vnet/ethernet/ethernet.h>
Neale Ranns0bfe5d82016-08-25 15:29:12 +010023#include <vnet/fib/fib_node.h>
24#include <vnet/adj/adj.h>
Ed Warnickecb9cada2015-12-08 15:45:58 -070025
Ed Warnickecb9cada2015-12-08 15:45:58 -070026typedef enum {
27#define mpls_error(n,s) MPLS_ERROR_##n,
Neale Ranns0bfe5d82016-08-25 15:29:12 +010028#include <vnet/mpls/error.def>
Ed Warnickecb9cada2015-12-08 15:45:58 -070029#undef mpls_error
30 MPLS_N_ERROR,
Neale Ranns1357f3b2016-10-16 12:01:42 -070031} mpls_error_t;
Ed Warnickecb9cada2015-12-08 15:45:58 -070032
Neale Ranns0bfe5d82016-08-25 15:29:12 +010033/**
34 * @brief Definition of a callback for receiving MPLS interface state change
35 * notifications
36 */
37typedef void (*mpls_interface_state_change_callback_t)(u32 sw_if_index,
38 u32 is_enable);
39
Ed Warnickecb9cada2015-12-08 15:45:58 -070040typedef struct {
Neale Ranns0bfe5d82016-08-25 15:29:12 +010041 /* MPLS FIB index for each software interface */
42 u32 *fib_index_by_sw_if_index;
43
44 /** A pool of all the MPLS FIBs */
45 struct fib_table_t_ *fibs;
46
Neale Rannsa3af3372017-03-28 03:49:52 -070047 /** A pool of all the MPLS FIBs */
48 struct mpls_fib_t_ *mpls_fibs;
49
Neale Ranns0bfe5d82016-08-25 15:29:12 +010050 /** A hash table to lookup the mpls_fib by table ID */
51 uword *fib_index_by_table_id;
52
Damjan Marion8b3191e2016-11-09 19:54:20 +010053 /* Feature arc indices */
54 u8 input_feature_arc_index;
55 u8 output_feature_arc_index;
Neale Ranns0bfe5d82016-08-25 15:29:12 +010056
57 /* IP4 enabled count by software interface */
58 u8 * mpls_enabled_by_sw_if_index;
59
Ed Warnickecb9cada2015-12-08 15:45:58 -070060 /* convenience */
61 vlib_main_t * vlib_main;
62 vnet_main_t * vnet_main;
63} mpls_main_t;
64
Neale Ranns0bfe5d82016-08-25 15:29:12 +010065extern mpls_main_t mpls_main;
66
Neale Ranns0bfe5d82016-08-25 15:29:12 +010067extern clib_error_t * mpls_feature_init(vlib_main_t * vm);
Ed Warnickecb9cada2015-12-08 15:45:58 -070068
Neale Ranns0bfe5d82016-08-25 15:29:12 +010069format_function_t format_mpls_eos_bit;
70format_function_t format_mpls_unicast_header_net_byte_order;
71format_function_t format_mpls_unicast_label;
72format_function_t format_mpls_header;
73
Jean-Mickael Guerin8941ec22016-03-04 14:14:21 +010074extern vlib_node_registration_t mpls_input_node;
Neale Ranns0bfe5d82016-08-25 15:29:12 +010075extern vlib_node_registration_t mpls_output_node;
76extern vlib_node_registration_t mpls_midchain_node;
Ed Warnickecb9cada2015-12-08 15:45:58 -070077
Ed Warnickecb9cada2015-12-08 15:45:58 -070078/* Parse mpls protocol as 0xXXXX or protocol name.
79 In either host or network byte order. */
80unformat_function_t unformat_mpls_protocol_host_byte_order;
81unformat_function_t unformat_mpls_protocol_net_byte_order;
82unformat_function_t unformat_mpls_label_net_byte_order;
Neale Ranns0bfe5d82016-08-25 15:29:12 +010083unformat_function_t unformat_mpls_unicast_label;
Ed Warnickecb9cada2015-12-08 15:45:58 -070084
85/* Parse mpls header. */
86unformat_function_t unformat_mpls_header;
87unformat_function_t unformat_pg_mpls_header;
88
Neale Ranns0bfe5d82016-08-25 15:29:12 +010089void mpls_sw_interface_enable_disable (mpls_main_t * mm,
90 u32 sw_if_index,
91 u8 is_enable);
92
93u8 mpls_sw_interface_is_enabled (u32 sw_if_index);
94
Ed Warnickecb9cada2015-12-08 15:45:58 -070095int mpls_fib_reset_labels (u32 fib_id);
96
marek zavodsky2c21a9a2016-06-21 05:35:16 +020097int
98mpls_dest_cmp(void * a1, void * a2);
99
100int
101mpls_fib_index_cmp(void * a1, void * a2);
102
103int
104mpls_label_cmp(void * a1, void * a2);
105
Neale Ranns1357f3b2016-10-16 12:01:42 -0700106#endif /* included_vnet_mpls_h */