1 /*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29 #include <sys/param.h>
30 #include <sys/ioctl.h>
31
32 #include <net/ethernet.h>
33 #include <net/if.h>
34 #include <net/if_lagg.h>
35 #include <net/ieee8023ad_lacp.h>
36
37 #include <assert.h>
38 #include <errno.h>
39 #include <stdlib.h>
40 #include <string.h>
41
42 #include "libifconfig.h"
43 #include "libifconfig_internal.h"
44
45 /* Internal structure used for allocations and frees */
46 struct _ifconfig_lagg_status {
47 struct ifconfig_lagg_status l; /* Must be first */
48 struct lagg_reqall ra;
49 struct lagg_reqopts ro;
50 struct lagg_reqflags rf;
51 struct lagg_reqport rpbuf[LAGG_MAX_PORTS];
52 };
53
54 int
ifconfig_lagg_get_laggport_status(ifconfig_handle_t * h,const char * name,struct lagg_reqport * rp)55 ifconfig_lagg_get_laggport_status(ifconfig_handle_t *h,
56 const char *name, struct lagg_reqport *rp)
57 {
58 strlcpy(rp->rp_ifname, name, sizeof(rp->rp_portname));
59 strlcpy(rp->rp_portname, name, sizeof(rp->rp_portname));
60
61 return (ifconfig_ioctlwrap(h, AF_LOCAL, SIOCGLAGGPORT, rp));
62 }
63
64 int
ifconfig_lagg_get_lagg_status(ifconfig_handle_t * h,const char * name,struct ifconfig_lagg_status ** lagg_status)65 ifconfig_lagg_get_lagg_status(ifconfig_handle_t *h,
66 const char *name, struct ifconfig_lagg_status **lagg_status)
67 {
68 struct _ifconfig_lagg_status *ls;
69
70 ls = calloc(1, sizeof(struct _ifconfig_lagg_status));
71 if (ls == NULL) {
72 h->error.errtype = OTHER;
73 h->error.errcode = ENOMEM;
74 return (-1);
75 }
76 ls->l.ra = &ls->ra;
77 ls->l.ro = &ls->ro;
78 ls->l.rf = &ls->rf;
79 *lagg_status = &ls->l;
80
81 ls->ra.ra_port = ls->rpbuf;
82 ls->ra.ra_size = sizeof(ls->rpbuf);
83
84 strlcpy(ls->ro.ro_ifname, name, sizeof(ls->ro.ro_ifname));
85 ifconfig_ioctlwrap(h, AF_LOCAL, SIOCGLAGGOPTS, &ls->ro);
86
87 strlcpy(ls->rf.rf_ifname, name, sizeof(ls->rf.rf_ifname));
88 if (ifconfig_ioctlwrap(h, AF_LOCAL, SIOCGLAGGFLAGS, &ls->rf) != 0) {
89 ls->rf.rf_flags = 0;
90 }
91
92 strlcpy(ls->ra.ra_ifname, name, sizeof(ls->ra.ra_ifname));
93 if (ifconfig_ioctlwrap(h, AF_LOCAL, SIOCGLAGG, &ls->ra) != 0) {
94 free(ls);
95 return (-1);
96 }
97
98 return (0);
99 }
100
101 void
ifconfig_lagg_free_lagg_status(struct ifconfig_lagg_status * laggstat)102 ifconfig_lagg_free_lagg_status(struct ifconfig_lagg_status *laggstat)
103 {
104 free(laggstat);
105 }
106