usr.sbin/pvctxctl/pvctxctl.c

   1 /*      $NetBSD: pvctxctl.c,v 1.5 2007/01/16 17:32:05 hubertf 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: pvctxctl.c,v 0.4 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 <ctype.h>
  36 #include <err.h>
  37
  38 #include <sys/socket.h>
  39 #include <sys/ioctl.h>
  40 #include <net/if.h>
  41
  42 #include <net/if_atm.h>
  43
  44 static int str2vc(char *str, int *vpi, int *vci);
  45 static void usage(void);
  46
  47 static void
  48 usage(void)
  49 {
  50         fprintf(stderr, "usage: pvctxctl interface [vpi:]vci\n");
  51         fprintf(stderr, "          [-p pcr] [-b pcr_in_bps] [-j [vpi:]vci\n");
  52         fprintf(stderr, "          [-n] \n");
  53         exit(1);
  54 }
  55
  56 int vpi = 0;
  57 int vci = 0;
  58 int joint_vpi = 0;
  59 int joint_vci = 0;
  60 int pcr = 0;
  61 int llcsnap = ATM_PH_LLCSNAP;
  62 int getinfo = 1;
  63 int subinterface = 0;
  64 int verbose = 1;
  65
  66 int
  67 main(int argc, char **argv)
  68 {
  69         struct pvctxreq pvcreq;
  70         int s, ch;
  71         long bandwidth;
  72         char *if_name, *cp;
  73
  74         if (argc < 2)
  75                 usage();
  76
  77         if_name = argv[1];
  78         if (argc > 2 && isdigit((unsigned char)argv[2][0]))
  79                 str2vc(argv[2], &vpi, &vci);
  80
  81         optind = 3;
  82         while ((ch = getopt(argc, argv, "p:b:j:snv")) != -1) {
  83                 switch (ch) {
  84                 case 'p':
  85                         pcr = strtol(optarg, NULL, 0);
  86                         getinfo = 0;
  87                         break;
  88                 case 'b':
  89                         cp = NULL;
  90                         bandwidth = strtol(optarg, &cp, 0);
  91                         if (cp != NULL) {
  92                                 if (*cp == 'K' || *cp == 'k')
  93                                         bandwidth *= 1000;
  94                                 if (*cp == 'M' || *cp == 'm')
  95                                         bandwidth *= 1000000;
  96                         }
  97                         pcr = bandwidth / 8 / 48;
  98                         getinfo = 0;
  99                         break;
 100                 case 'j':
 101                         str2vc(optarg, &joint_vpi, &joint_vci);
 102                         break;
 103                 case 'n':
 104                         llcsnap = 0;
 105                         break;
 106                 case 'v':
 107                         verbose = 1;
 108                         break;
 109                 default:
 110                         usage();
 111                 }
 112         }
 113
 114         if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
 115                 err(1, "can't open socket");
 116
 117         pvcreq.pvc_ifname[IFNAMSIZ-1] = '\0';
 118         strncpy(pvcreq.pvc_ifname, if_name, IFNAMSIZ-1);
 119
 120         if (strncmp(if_name, "pvc", 3) == 0)
 121                 /* pvc subinterface */
 122                 subinterface = 1;
 123
 124         ATM_PH_FLAGS(&pvcreq.pvc_aph) = ATM_PH_AAL5 | llcsnap;
 125         ATM_PH_VPI(&pvcreq.pvc_aph) = vpi;
 126         ATM_PH_SETVCI(&pvcreq.pvc_aph, vci);
 127
 128         ATM_PH_FLAGS(&pvcreq.pvc_joint) = 0;
 129         ATM_PH_VPI(&pvcreq.pvc_joint) = joint_vpi;
 130         ATM_PH_SETVCI(&pvcreq.pvc_joint, joint_vci);
 131
 132         pvcreq.pvc_pcr = pcr;
 133
 134         if (getinfo) {
 135                 if (ioctl(s, SIOCGPVCTX, &pvcreq) < 0)
 136                         err(1, "SIOCSPVCTX");
 137         }
 138         else {
 139                 if (verbose) {
 140                     printf("setting pvc tx: interface:%s vc:%d:%d ph=0x%x\n",
 141                            if_name, vpi, vci, ATM_PH_FLAGS(&pvcreq.pvc_aph));
 142                     printf("  joint:%d:%d, setting pcr:%d\n",
 143                            joint_vpi, joint_vci, pcr);
 144                 }
 145
 146                 if (ioctl(s, SIOCSPVCTX, &pvcreq) < 0)
 147                                 err(1, "SIOCSPVCTX");
 148         }
 149
 150         pcr = pvcreq.pvc_pcr;
 151
 152         /*
 153          * print info
 154          */
 155         printf("  %s", if_name);
 156         if (subinterface)
 157                 printf(" (bound to %s)", pvcreq.pvc_ifname);
 158         printf(": vci:[%d:%d] (",
 159                ATM_PH_VPI(&pvcreq.pvc_aph), ATM_PH_VCI(&pvcreq.pvc_aph));
 160         if (ATM_PH_FLAGS(&pvcreq.pvc_aph) & ATM_PH_AAL5)
 161                 printf("AAL5");
 162         if (ATM_PH_FLAGS(&pvcreq.pvc_aph) & ATM_PH_LLCSNAP)
 163                 printf("/LLCSNAP");
 164         printf(") ");
 165         if (pcr < 0)
 166                 printf("(invalid)\n");
 167         else if (pcr == 0)
 168                 printf("pcr:%d(full speed)\n", pcr);
 169         else if (pcr < 1000)
 170                 printf("pcr:%d(%dbps)\n", pcr, pcr * 48 * 8);
 171         else if (pcr < 1000000)
 172                 printf("pcr:%d(%dKbps)\n", pcr, pcr * 48 * 8 / 1000);
 173         else
 174                 printf("pcr:%d(%dMbps)\n", pcr, pcr * 48 * 8 / 1000000);
 175
 176         close(s);
 177
 178         if (getinfo && pcr < 0) {
 179                 fprintf(stderr, "can't get pvc info for vci:%d\n", vci);
 180                 fprintf(stderr, "to setup a vci, use -p or -b option\n");
 181         }
 182
 183         return (0);
 184 }
 185
 186 static int
 187 str2vc(char *str, int *vpip, int *vcip)
 188 {
 189         char *c;
 190
 191         if ((c = strchr(str, ':')) != NULL) {
 192                 *c = '\0';
 193                 *vpip = strtol(str, NULL, 0);
 194                 str = c + 1;
 195         }
 196         else
 197                 *vpip = 0;
 198
 199         *vcip = strtol(str, NULL, 0);
 200         return (0);
 201 }
 202