sbin/ifconfig/ether.c

   1 /*      $NetBSD: ether.c,v 1.2 2012/11/01 13:43:23 pgoyette Exp $       */
   2
   3 /*
   4  * Copyright (c) 1983, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 #ifndef lint
  34 __RCSID("$NetBSD: ether.c,v 1.2 2012/11/01 13:43:23 pgoyette Exp $");
  35 #endif /* not lint */
  36
  37 #include <sys/param.h>
  38 #include <sys/ioctl.h>
  39
  40 #include <net/if.h>
  41 #include <net/if_ether.h>
  42
  43 #include <ctype.h>
  44 #include <err.h>
  45 #include <errno.h>
  46 #include <string.h>
  47 #include <stdlib.h>
  48 #include <stdio.h>
  49 #include <util.h>
  50
  51 #include "env.h"
  52 #include "parse.h"
  53 #include "extern.h"
  54 #include "prog_ops.h"
  55
  56 static void ether_status(prop_dictionary_t, prop_dictionary_t);
  57 static void ether_constructor(void) __attribute__((constructor));
  58
  59 static status_func_t status;
  60
  61 #define MAX_PRINT_LEN 55
  62
  63 void
  64 ether_status(prop_dictionary_t env, prop_dictionary_t oenv)
  65 {
  66         struct eccapreq eccr;
  67         char fbuf[BUFSIZ];
  68         char *bp;
  69
  70         memset(&eccr, 0, sizeof(eccr));
  71
  72         if (direct_ioctl(env, SIOCGETHERCAP, &eccr) == -1)
  73                 return;
  74
  75         if (eccr.eccr_capabilities != 0) {
  76                 (void)snprintb_m(fbuf, sizeof(fbuf), ECCAPBITS,
  77                     eccr.eccr_capabilities, MAX_PRINT_LEN);
  78                 bp = fbuf;
  79                 while (*bp != '\0') {
  80                         printf("\tec_capabilities=%s\n", &bp[2]);
  81                         bp += strlen(bp) + 1;
  82                 }
  83                 (void)snprintb_m(fbuf, sizeof(fbuf), ECCAPBITS,
  84                     eccr.eccr_capenable, MAX_PRINT_LEN);
  85                 bp = fbuf;
  86                 while (*bp != '\0') {
  87                         printf("\tec_enabled=%s\n", &bp[2]);
  88                         bp += strlen(bp) + 1;
  89                 }
  90         }
  91 }
  92
  93 static void
  94 ether_constructor(void)
  95 {
  96
  97         status_func_init(&status, ether_status);
  98         register_status(&status);
  99 }