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 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 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 102 ifconfig_lagg_free_lagg_status(struct ifconfig_lagg_status *laggstat) 103 { 104 free(laggstat); 105 } 106