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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Display synchronous serial line statistics
*/
#include <sys/types.h>
#include <ctype.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/stream.h>
#include <sys/stropts.h>
#include <fcntl.h>
#include <sys/ser_sync.h>
#include <libdlpi.h>
static struct scc_mode sm;
static struct sl_stats st;
static void usage(void);
static void sample(int count, int period);
static char sername[DLPI_LINKNAME_MAX];
static int fd;
int
main(int argc, char **argv)
{
char *cp;
char serdevice[DLPI_LINKNAME_MAX];
int do_clear = 0;
int period = 0;
int isize, osize;
int count;
int retval;
struct strioctl sioc;
uint_t ppa;
dlpi_handle_t dh;
if (argc == 1) {
usage();
exit(1);
}
argc--; /* skip the command name */
argv++;
/*
* The following loop processes command line arguments.
* If the argument begins with a '-', it is trated as an option.
* The only option currently implemented is "-c" (clears statistics).
* If the argument begins with a numeral, it is treated as an interval.
* Intervals must be positive integers greater than zero.
* Any argument that survives this is treated as a device name to be
* found under /dev.
*/
while (argc > 0) {
if (argv[0][0] == '-') {
if (argc == 1) {
usage();
exit(1);
}
if (argv[0][1] != 'c') {
usage();
exit(1);
}
do_clear = 1;
} else if ((argv[0][0] >= '0') && (argv[0][0] <= '9')) {
period = atoi(*argv);
if (period == 0) {
(void) fprintf(stderr,
"syncstat: bad interval: %s\n", *argv);
exit(1);
}
} else {
if (snprintf(sername, sizeof (sername), "%s",
*argv) >= sizeof (sername)) {
(void) fprintf(stderr, "syncstat: invalid "
"device name (too long) %s\n", *argv);
exit(1);
}
}
argc--;
argv++;
}
for (cp = sername; (*cp) && (!isdigit(*cp)); cp++) {}
if (*cp == '\0') { /* hit the end without finding a number */
(void) fprintf(stderr,
"syncstat: %s missing minor device number\n", sername);
exit(1);
}
if ((retval = dlpi_open(sername, &dh, DLPI_SERIAL)) != DLPI_SUCCESS) {
(void) fprintf(stderr, "syncstat: dlpi_open %s: %s\n", sername,
dlpi_strerror(retval));
exit(1);
}
(void) dlpi_parselink(sername, serdevice, &ppa);
(void) printf("syncstat: control device: %s, ppa=%u\n", serdevice, ppa);
fd = dlpi_fd(dh);
sioc.ic_cmd = S_IOCGETMODE;
sioc.ic_timout = -1;
sioc.ic_len = sizeof (struct scc_mode);
sioc.ic_dp = (char *)&sm;
if (ioctl(fd, I_STR, &sioc) < 0) {
perror("S_IOCGETMODE");
(void) fprintf(stderr,
"syncstat: can't get sync mode info for %s\n", sername);
exit(1);
}
if (do_clear) {
sioc.ic_cmd = S_IOCCLRSTATS;
sioc.ic_timout = -1;
sioc.ic_len = sizeof (struct sl_stats);
sioc.ic_dp = (char *)&st;
if (ioctl(fd, I_STR, &sioc) < 0) {
perror("S_IOCCLRSTATS");
(void) fprintf(stderr,
"syncstat: can't clear stats for %s\n", sername);
exit(1);
}
}
sioc.ic_cmd = S_IOCGETSTATS;
sioc.ic_timout = -1;
sioc.ic_len = sizeof (struct sl_stats);
sioc.ic_dp = (char *)&st;
if (ioctl(fd, I_STR, &sioc) < 0) {
perror("S_IOCGETSTATS");
(void) fprintf(stderr, "syncstat: can't get stats for %s\n",
sername);
exit(1);
}
if (period) {
if (sm.sm_baudrate == 0) {
(void) fprintf(stderr, "syncstat: baud rate not set\n");
exit(1);
}
for (count = 0; ; count++) {
(void) fflush(stdout);
(void) sleep(period);
sample(count, period);
}
}
isize = osize = 0;
if (st.opack)
osize = st.ochar / st.opack;
if (st.ipack)
isize = st.ichar / st.ipack;
(void) printf(" speed ipkts opkts undrun ovrrun abort "
"crc isize osize\n");
(void) printf(" %7d %7d %7d %7d %7d %7d %7d %7d %7d\n", sm.sm_baudrate,
st.ipack, st.opack, st.underrun, st.overrun, st.abort, st.crc,
isize, osize);
return (0);
}
static void
sample(int count, int period)
{
struct sl_stats nst;
struct strioctl sioc;
int iutil, outil;
sioc.ic_cmd = S_IOCGETSTATS;
sioc.ic_timout = -1;
sioc.ic_len = sizeof (struct sl_stats);
sioc.ic_dp = (char *)&nst;
if (ioctl(fd, I_STR, &sioc) < 0) {
perror("S_IOCGETSTATS");
(void) fprintf(stderr, "syncstat: can't get stats for %s\n",
sername);
exit(1);
}
st.ipack = nst.ipack - st.ipack;
st.opack = nst.opack - st.opack;
st.ichar = nst.ichar - st.ichar;
st.ochar = nst.ochar - st.ochar;
st.crc = nst.crc - st.crc;
st.overrun = nst.overrun - st.overrun;
st.underrun = nst.underrun - st.underrun;
st.abort = nst.abort - st.abort;
iutil = 8 * st.ichar / period;
iutil = 100 * iutil / sm.sm_baudrate;
outil = 8 * st.ochar / period;
outil = 100 * outil / sm.sm_baudrate;
if ((count % 20) == 0)
(void) printf(" ipkts opkts undrun ovrrun abort "
"crc iutil outil\n");
(void) printf(" %7d %7d %7d %7d %7d %7d %6d%% %6d%%\n", st.ipack,
st.opack, st.underrun, st.overrun, st.abort, st.crc, iutil, outil);
st = nst;
}
static void
usage()
{
(void) fprintf(stderr, "Usage: syncstat [-c] device [period]\n");
}
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