FD.io VPP  v19.04.1-1-ge4a0f9f
Vector Packet Processing
init.c
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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 /*
16  * pg_init.c: VLIB packet generator
17  *
18  * Copyright (c) 2008 Eliot Dresselhaus
19  *
20  * Permission is hereby granted, free of charge, to any person obtaining
21  * a copy of this software and associated documentation files (the
22  * "Software"), to deal in the Software without restriction, including
23  * without limitation the rights to use, copy, modify, merge, publish,
24  * distribute, sublicense, and/or sell copies of the Software, and to
25  * permit persons to whom the Software is furnished to do so, subject to
26  * the following conditions:
27  *
28  * The above copyright notice and this permission notice shall be
29  * included in all copies or substantial portions of the Software.
30  *
31  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38  */
39 
40 #include <vlib/vlib.h>
41 #include <vnet/pg/pg.h>
42 
43 /* Global main structure. */
45 
46 static clib_error_t *
48 {
49  clib_error_t *error;
50  pg_main_t *pg = &pg_main;
52  u32 num_threads = 1 /* main thread */ + vtm->n_threads;
53 
54  pg->if_index_by_if_id = hash_create (0, sizeof (uword));
55 
56  if ((error = vlib_call_init_function (vm, vnet_main_init)))
57  goto done;
58 
59  if ((error = vlib_call_init_function (vm, pg_cli_init)))
60  goto done;
61 
62  vec_validate (pg->replay_buffers_by_thread, num_threads);
63 
64 done:
65  return error;
66 }
67 
69 
70 /*
71  * fd.io coding-style-patch-verification: ON
72  *
73  * Local Variables:
74  * eval: (c-set-style "gnu")
75  * End:
76  */
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:439
Definition: pg.h:313
static clib_error_t * pg_cli_init(vlib_main_t *vm)
Definition: cli.c:677
clib_error_t * vnet_main_init(vlib_main_t *vm)
Definition: misc.c:74
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:163
unsigned int u32
Definition: types.h:88
#define vlib_call_init_function(vm, x)
Definition: init.h:260
uword * if_index_by_if_id
Definition: pg.h:326
static clib_error_t * pg_init(vlib_main_t *vm)
Definition: init.c:47
u32 ** replay_buffers_by_thread
Definition: pg.h:329
vlib_main_t * vm
Definition: buffer.c:312
#define hash_create(elts, value_bytes)
Definition: hash.h:696
u64 uword
Definition: types.h:112
static vlib_thread_main_t * vlib_get_thread_main()
Definition: global_funcs.h:32
pg_main_t pg_main
Definition: init.c:44