1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* 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.
*/
/*
* ethernet_init.c: ethernet initialization
*
* 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.
*/
#include <vlib/vlib.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/ip.h> // for feature registration
/* Global main structure. */
ethernet_main_t ethernet_main;
static void
add_type (ethernet_main_t * em, ethernet_type_t type, char *type_name)
{
ethernet_type_info_t *ti;
u32 i;
vec_add2 (em->type_infos, ti, 1);
i = ti - em->type_infos;
ti->name = type_name;
ti->type = type;
ti->next_index = ti->node_index = ~0;
hash_set (em->type_info_by_type, type, i);
hash_set_mem (em->type_info_by_name, ti->name, i);
}
/* Built-in ip4 tx feature path definition */
VNET_FEATURE_ARC_INIT (ethernet_output, static) =
{
.arc_name = "ethernet-output",
.last_in_arc = "error-drop",
.start_nodes = VNET_FEATURES ("adj-l2-midchain"),
.arc_index_ptr = ðernet_main.output_feature_arc_index,
};
VNET_FEATURE_INIT (ethernet_tx_drop, static) =
{
.arc_name = "ethernet-output",
.node_name = "error-drop",
.runs_before = 0, /* not before any other features */
};
static clib_error_t *
ethernet_init (vlib_main_t * vm)
{
ethernet_main_t *em = ðernet_main;
em->vlib_main = vm;
em->type_info_by_name = hash_create_string (0, sizeof (uword));
em->type_info_by_type = hash_create (0, sizeof (uword));
/*
* System default ethernet interface MTU, configure via ethernet_config in
* interface.c if desired.
*/
em->default_mtu = 9000;
#define ethernet_type(n,s) add_type (em, ETHERNET_TYPE_##s, #s);
#include "types.def"
#undef ethernet_type
/*
* ethernet_input_init is effectively part of this function.
* Simply ensuring that it happens after we set up the hash tables
* is not sufficient.
*/
ethernet_input_init (vm, em);
return 0;
}
VLIB_INIT_FUNCTION (ethernet_init) =
{
/*
* Set up the L2 path before ethernet_init, or we'll wipe out the L2 ARP
* registration set up by ethernet_arp_init.
*/
.init_order = VLIB_INITS("l2_init",
"ethernet_init",
"llc_init",
"vnet_feature_init"),
};
ethernet_main_t *
ethernet_get_main (vlib_main_t * vm)
{
return ðernet_main;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
