/*
- * $Id: isotpsend.c 824 2008-09-02 07:01:51Z hartko $
+ * $Id$
*/
/*
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
- * Send feedback to <socketcan-users@lists.berlios.de>
+ * Send feedback to <linux-can@vger.kernel.org>
*
*/
fprintf(stderr, " -x <addr> (extended addressing mode. Use 'any' for all addresses)\n");
fprintf(stderr, " -p <byte> (set and enable padding byte)\n");
fprintf(stderr, " -P <mode> (check padding in FC. (l)ength (c)ontent (a)ll)\n");
- fprintf(stderr, " -t <time ns> (transmit time in nanosecs)\n");
+ fprintf(stderr, " -t <time ns> (frame transmit time (N_As) in nanosecs)\n");
+ fprintf(stderr, " -f <time ns> (ignore FC and force local tx stmin value in nanosecs)\n");
fprintf(stderr, "\nCAN IDs and addresses are given and expected in hexadecimal values.\n");
fprintf(stderr, "The pdu data is expected on STDIN in space separated ASCII hex values.\n");
fprintf(stderr, "\n");
static struct can_isotp_options opts;
int opt;
extern int optind, opterr, optopt;
+ __u32 force_tx_stmin = 0;
unsigned char buf[4096];
int buflen = 0;
addr.can_addr.tp.tx_id = addr.can_addr.tp.rx_id = NO_CAN_ID;
- while ((opt = getopt(argc, argv, "s:d:x:p:P:t:")) != -1) {
+ while ((opt = getopt(argc, argv, "s:d:x:p:P:t:f:?")) != -1) {
switch (opt) {
case 's':
addr.can_addr.tp.tx_id = strtoul(optarg, (char **)NULL, 16);
opts.frame_txtime = strtoul(optarg, (char **)NULL, 10);
break;
+ case 'f':
+ opts.flags |= CAN_ISOTP_FORCE_TXSTMIN;
+ force_tx_stmin = strtoul(optarg, (char **)NULL, 10);
+ break;
+
+ case '?':
+ print_usage(basename(argv[0]));
+ exit(0);
+ break;
+
default:
fprintf(stderr, "Unknown option %c\n", opt);
print_usage(basename(argv[0]));
- exit(0);
+ exit(1);
break;
}
}
(addr.can_addr.tp.tx_id == NO_CAN_ID) ||
(addr.can_addr.tp.rx_id == NO_CAN_ID)) {
print_usage(basename(argv[0]));
- exit(0);
+ exit(1);
}
if ((s = socket(PF_CAN, SOCK_DGRAM, CAN_ISOTP)) < 0) {
setsockopt(s, SOL_CAN_ISOTP, CAN_ISOTP_OPTS, &opts, sizeof(opts));
+ if (opts.flags & CAN_ISOTP_FORCE_TXSTMIN)
+ setsockopt(s, SOL_CAN_ISOTP, CAN_ISOTP_TX_STMIN, &force_tx_stmin, sizeof(force_tx_stmin));
+
addr.can_family = AF_CAN;
strcpy(ifr.ifr_name, argv[optind]);
ioctl(s, SIOCGIFINDEX, &ifr);