usr.sbin/pvcsif/pvcsif.c

   1 /*      $NetBSD: pvcsif.c,v 1.3 2001/05/07 14:00:23 kleink Exp $        */
   2
   3 /*
   4  * Copyright (C) 1998
   5  *      Sony Computer Science Laboratory Inc.  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  *
  16  * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  * ALTQ Id: pvcsif.c,v 0.3 1999/05/19 11:31:11 kjc Exp
  29  */
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <unistd.h>
  34 #include <string.h>
  35 #include <err.h>
  36
  37 #include <sys/socket.h>
  38 #include <sys/ioctl.h>
  39 #include <net/if.h>
  40
  41 #include <net/if_atm.h>
  42
  43 void usage __P((void));
  44 void list_all __P((void));
  45
  46 void usage(void)
  47 {
  48         fprintf(stderr, "usage: pvcsif -a\n");
  49         fprintf(stderr, "       pvcsif interface [-s]\n");
  50         exit(1);
  51 }
  52
  53 int
  54 main(int argc, char **argv)
  55 {
  56         struct ifreq ifr;
  57         int shell_mode = 0;
  58         int s, ch;
  59
  60         if (argc < 2)
  61                 usage();
  62
  63         if (strncmp(argv[1], "-a", 2) == 0) {
  64                 list_all();
  65                 return (0);
  66         }
  67
  68         ifr.ifr_name[IFNAMSIZ-1] = '\0';
  69         strncpy(ifr.ifr_name, argv[1], IFNAMSIZ-1);
  70
  71         optind = 2;
  72         while ((ch = getopt(argc, argv, "s")) != -1) {
  73                 switch (ch) {
  74                 case 's':
  75                         shell_mode = 1;
  76                         break;
  77                 }
  78         }
  79
  80         if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
  81                 err(1, "can't open socket");
  82
  83         if (ioctl(s, SIOCSPVCSIF, &ifr) < 0)
  84                 err(1, "SIOCSPVCSIF");
  85
  86         close(s);
  87
  88         if (shell_mode)
  89                 printf("%s", ifr.ifr_name);
  90         else
  91                 printf("created a pvc subinterface %s (bound to %s)\n",
  92                        ifr.ifr_name, argv[1]);
  93
  94         return (0);
  95 }
  96
  97 void
  98 list_all(void)
  99 {
 100         struct if_nameindex *ifn_list, *ifnp;
 101         struct pvctxreq pvcreq;
 102         int pcr, s;
 103
 104         if ((ifn_list = if_nameindex()) == NULL)
 105                 err(1, "if_nameindex failed");
 106
 107         if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
 108                 err(1, "can't open socket");
 109
 110         for (ifnp = ifn_list; ifnp->if_name != NULL; ifnp++) {
 111                 if (strncmp(ifnp->if_name, "pvc", 3) == 0) {
 112
 113                         bzero(&pvcreq, sizeof(pvcreq));
 114                         strncpy(pvcreq.pvc_ifname, ifnp->if_name, IFNAMSIZ-1);
 115                         if (ioctl(s, SIOCGPVCTX, &pvcreq) < 0)
 116                                 err(1, "SIOCSPVCTX");
 117
 118                         /*
 119                          * print info
 120                          */
 121                         pcr = pvcreq.pvc_pcr;
 122                         printf("  %s (bound to %s): vci:[%d:%d] (",
 123                                ifnp->if_name, pvcreq.pvc_ifname,
 124                                ATM_PH_VPI(&pvcreq.pvc_aph),
 125                                ATM_PH_VCI(&pvcreq.pvc_aph));
 126                         if (ATM_PH_FLAGS(&pvcreq.pvc_aph) & ATM_PH_AAL5)
 127                                 printf("AAL5");
 128                         if (ATM_PH_FLAGS(&pvcreq.pvc_aph) & ATM_PH_LLCSNAP)
 129                                 printf("/LLCSNAP");
 130                         printf(") ");
 131                         if (pcr < 0)
 132                                 printf("(invalid)\n");
 133                         else if (pcr == 0)
 134                                 printf("pcr:%d(full speed)\n", pcr);
 135                         else if (pcr < 1000)
 136                                 printf("pcr:%d(%dbps)\n",
 137                                        pcr, pcr * 48 * 8);
 138                         else if (pcr < 1000000)
 139                                 printf("pcr:%d(%dKbps)\n",
 140                                        pcr, pcr * 48 * 8 / 1000);
 141                         else
 142                                 printf("pcr:%d(%dMbps)\n",
 143                                        pcr, pcr * 48 * 8 / 1000000);
 144                 }
 145         }
 146
 147         close(s);
 148         if_freenameindex(ifn_list);
 149 }