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
|
/*
* Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/spinlock.h>
#include <sys/errno.h>
#include <net/if_var.h>
#include <string.h>
static TAILQ_HEAD(, netif) netif_list;
static bool netif_init = false;
/*
* Expose a network interface to the rest of the
* system.
*/
void
netif_add(struct netif *nifp)
{
if (!netif_init) {
TAILQ_INIT(&netif_list);
netif_init = true;
}
TAILQ_INSERT_TAIL(&netif_list, nifp, link);
}
/*
* Lookup a network interface by name or type.
*
* @name: Name to lookup (use `type' if NULL)
* @type: Type to lookup (use if `name' is NULL)
*/
int
netif_lookup(const char *name, uint8_t type, struct netif **res)
{
struct netif *netif;
if (!netif_init) {
return -EAGAIN;
}
TAILQ_FOREACH(netif, &netif_list, link) {
if (name != NULL) {
if (strcmp(netif->name, name) == 0) {
*res = netif;
return 0;
}
}
if (name == NULL && netif->type == type) {
*res = netif;
return 0;
}
}
return -ENODEV;
}
|
