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Vector Packet Processing
mpls.h
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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_mpls_h
16 #define included_vnet_mpls_h
17 
18 #include <vnet/vnet.h>
19 #include <vnet/mpls/packet.h>
20 #include <vnet/mpls/mpls_types.h>
21 #include <vnet/ip/ip4_packet.h>
22 #include <vnet/ethernet/ethernet.h>
23 #include <vnet/fib/fib_node.h>
24 #include <vnet/adj/adj.h>
25 
26 typedef enum
27 {
28 #define mpls_error(n,s) MPLS_ERROR_##n,
29 #include <vnet/mpls/error.def>
30 #undef mpls_error
32 } mpls_error_t;
33 
34 /**
35  * @brief Definition of a callback for receiving MPLS interface state change
36  * notifications
37  */
38 typedef void (*mpls_interface_state_change_callback_t) (u32 sw_if_index,
39  u32 is_enable);
40 
41 typedef struct
42 {
43  /* MPLS FIB index for each software interface */
45 
46  /** A pool of all the MPLS FIBs */
47  struct fib_table_t_ *fibs;
48 
49  /** A pool of all the MPLS FIBs */
51 
52  /** A hash table to lookup the mpls_fib by table ID */
54 
55  /* Feature arc indices */
58 
59  /* IP4 enabled count by software interface */
61 } mpls_main_t;
62 
63 extern mpls_main_t mpls_main;
64 
66 
71 
75 
76 /* Parse mpls protocol as 0xXXXX or protocol name.
77  In either host or network byte order. */
80 
81 /* Parse mpls header. */
84 
86  u32 sw_if_index,
87  u8 is_enable, u8 is_api);
88 
89 u8 mpls_sw_interface_is_enabled (u32 sw_if_index);
90 
91 int mpls_fib_reset_labels (u32 fib_id);
92 
93 int mpls_dest_cmp (void *a1, void *a2);
94 
95 int mpls_fib_index_cmp (void *a1, void *a2);
96 
97 int mpls_label_cmp (void *a1, void *a2);
98 
99 void mpls_table_create (u32 table_id, u8 is_api, const u8 * name);
100 void mpls_table_delete (u32 table_id, u8 is_api);
101 
102 #endif /* included_vnet_mpls_h */
103 
104 /*
105  * fd.io coding-style-patch-verification: ON
106  *
107  * Local Variables:
108  * eval: (c-set-style "gnu")
109  * End:
110  */
uword( unformat_function_t)(unformat_input_t *input, va_list *args)
Definition: format.h:232
format_function_t format_mpls_header
Definition: mpls.h:70
u8 input_feature_arc_index
Definition: mpls.h:56
int mpls_label_cmp(void *a1, void *a2)
Definition: mpls.c:204
u32 * fib_index_by_sw_if_index
Definition: mpls.h:44
u8 *( format_function_t)(u8 *s, va_list *args)
Definition: format.h:48
unsigned char u8
Definition: types.h:56
unformat_function_t unformat_mpls_unicast_label
Definition: mpls.h:79
u8 * mpls_enabled_by_sw_if_index
Definition: mpls.h:60
format_function_t format_mpls_unicast_header_net_byte_order
Definition: mpls.h:68
void(* mpls_interface_state_change_callback_t)(u32 sw_if_index, u32 is_enable)
Definition of a callback for receiving MPLS interface state change notifications. ...
Definition: mpls.h:38
vlib_node_registration_t mpls_midchain_node
(constructor) VLIB_REGISTER_NODE (mpls_midchain_node)
Definition: mpls_output.c:352
unsigned int u32
Definition: types.h:88
u8 output_feature_arc_index
Definition: mpls.h:57
format_function_t format_mpls_eos_bit
Definition: mpls.h:67
void mpls_table_delete(u32 table_id, u8 is_api)
Definition: mpls_api.c:63
mpls_error_t
Definition: mpls.h:26
int mpls_fib_reset_labels(u32 fib_id)
Definition: mpls.c:466
vlib_node_registration_t mpls_input_node
(constructor) VLIB_REGISTER_NODE (mpls_input_node)
Definition: mpls_input.c:248
mpls_main_t mpls_main
Definition: mpls.c:25
struct fib_table_t_ * fibs
A pool of all the MPLS FIBs.
Definition: mpls.h:47
int mpls_fib_index_cmp(void *a1, void *a2)
Definition: mpls.c:195
vlib_main_t * vm
Definition: buffer.c:294
unformat_function_t unformat_mpls_header
Definition: mpls.h:82
unformat_function_t unformat_pg_mpls_header
Definition: mpls.h:83
clib_error_t * mpls_feature_init(vlib_main_t *vm)
u8 mpls_sw_interface_is_enabled(u32 sw_if_index)
Definition: interface.c:28
void mpls_table_create(u32 table_id, u8 is_api, const u8 *name)
Definition: mpls_api.c:275
format_function_t format_mpls_unicast_label
Definition: mpls.h:69
struct _vlib_node_registration vlib_node_registration_t
u64 uword
Definition: types.h:112
unformat_function_t unformat_mpls_label_net_byte_order
Definition: mpls.h:78
uword * fib_index_by_table_id
A hash table to lookup the mpls_fib by table ID.
Definition: mpls.h:53
int mpls_sw_interface_enable_disable(mpls_main_t *mm, u32 sw_if_index, u8 is_enable, u8 is_api)
Definition: interface.c:39
struct mpls_fib_t_ * mpls_fibs
A pool of all the MPLS FIBs.
Definition: mpls.h:50
vlib_node_registration_t mpls_output_node
(constructor) VLIB_REGISTER_NODE (mpls_output_node)
Definition: mpls_output.c:324
int mpls_dest_cmp(void *a1, void *a2)
Definition: mpls.c:186
A protocol Independent FIB table.
Definition: fib_table.h:69