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
|
/*
* Copyright (c) 2017 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* The contents of this file constitute Original Code as defined in and
* are subject to the Apple Public Source License Version 1.1 (the
* "License"). You may not use this file except in compliance with the
* License. Please obtain a copy of the License at
* http://www.apple.com/publicsource and read it before using this file.
*
* This Original Code and all software distributed under the License are
* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/*
* nexus.c
* - report information about attached nexus
*/
/*
* Modification History:
*
* April 10, 2017 Dieter Siegmund (dieter@apple.com)
* - created
*/
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <stdlib.h>
#include <unistd.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/if_fake_var.h>
#include <net/route.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <err.h>
#include <errno.h>
#include "ifconfig.h"
static void
nexus_status(int s)
{
struct if_nexusreq ifnr;
uuid_string_t flowswitch;
uuid_string_t netif;
if (!verbose) {
return;
}
bzero((char *)&ifnr, sizeof(ifnr));
strlcpy(ifnr.ifnr_name, ifr.ifr_name, sizeof(ifnr.ifnr_name));
if (ioctl(s, SIOCGIFNEXUS, &ifnr) < 0) {
return;
}
if (uuid_is_null(ifnr.ifnr_netif)) {
/* technically, this shouldn't happen */
return;
}
uuid_unparse_upper(ifnr.ifnr_netif, netif);
printf("\tnetif: %s\n", netif);
if (uuid_is_null(ifnr.ifnr_flowswitch) == 0) {
uuid_unparse_upper(ifnr.ifnr_flowswitch, flowswitch);
printf("\tflowswitch: %s\n", flowswitch);
}
return;
}
static struct afswtch af_fake = {
.af_name = "af_fake",
.af_af = AF_UNSPEC,
.af_other_status = nexus_status,
};
static __constructor void
fake_ctor(void)
{
af_register(&af_fake);
}
|