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/*
* et driver ioctl swiss army knife command.
*
* Copyright 2007, Broadcom Corporation
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;
* the contents of this file may not be disclosed to third parties, copied
* or duplicated in any form, in whole or in part, without the prior
* written permission of Broadcom Corporation.
*
* $Id: et.c,v 1.1.1.1 2008/07/21 09:14:16 james26_jang Exp $
*/
#include <stdio.h>
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <net/if.h>
#include <netinet/in.h>
#include <typedefs.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <stdlib.h>
#include <etioctl.h>
#include <proto/ethernet.h>
typedef u_int64_t u64;
typedef u_int32_t u32;
typedef u_int16_t u16;
typedef u_int8_t u8;
#include <linux/sockios.h>
#include <linux/ethtool.h>
static void usage(char *av0);
static void syserr(char *s);
static void et_find(int s, struct ifreq *ifr);
static int et_check(int s, struct ifreq *ifr);
char buf[16 * 1024];
#define VECLEN 2
static int optind;
int
main(int ac, char *av[])
{
char *interface = NULL;
struct ifreq ifr;
char *endptr;
int arg;
int vecarg[VECLEN];
int s;
if (ac < 2)
usage(av[0]);
optind = 1;
if (av[1][0] == '-') {
if ((av[1][1] != 'a') && (av[1][1] != 'i'))
usage(av[0]);
if (ac < 4)
usage(av[0]);
interface = av[2];
optind += 2;
}
if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
syserr("socket");
if (interface)
strncpy(ifr.ifr_name, interface, sizeof (ifr.ifr_name));
else
et_find(s, &ifr);
if (!*ifr.ifr_name) {
fprintf(stderr, "et interface not found\n");
exit(1);
}
if (strcmp(av[optind], "up") == 0) {
if (ioctl(s, SIOCSETCUP, (caddr_t)&ifr) < 0)
syserr("etcup");
} else if (strcmp(av[optind], "down") == 0) {
if (ioctl(s, SIOCSETCDOWN, (caddr_t)&ifr) < 0)
syserr("etcdown");
} else if (strcmp(av[optind], "loop") == 0) {
if (optind >= (ac -1))
usage(av[0]);
arg = atoi(av[optind + 1]);
ifr.ifr_data = (caddr_t) &arg;
if (ioctl(s, SIOCSETCLOOP, (caddr_t)&ifr) < 0)
syserr("etcloop");
} else if (strcmp(av[optind], "dump") == 0) {
ifr.ifr_data = buf;
if (ioctl(s, SIOCGETCDUMP, (caddr_t)&ifr) < 0)
syserr("etcdump");
printf("%s\n", buf);
} else if (strcmp(av[optind], "msglevel") == 0) {
if (optind >= (ac -1))
usage(av[0]);
arg = strtol(av[optind + 1], &endptr, 0);
ifr.ifr_data = (caddr_t) &arg;
if (ioctl(s, SIOCSETCSETMSGLEVEL, (caddr_t)&ifr) < 0)
syserr("etcsetmsglevel");
} else if (strcmp(av[optind], "promisc") == 0) {
if (optind >= (ac -1))
usage(av[0]);
arg = atoi(av[optind + 1]);
ifr.ifr_data = (caddr_t) &arg;
if (ioctl(s, SIOCSETCPROMISC, (caddr_t)&ifr) < 0)
syserr("etcpromisc");
} else if (strcmp(av[optind], "qos") == 0) {
if (optind >= (ac -1))
usage(av[0]);
arg = atoi(av[optind + 1]);
ifr.ifr_data = (caddr_t) &arg;
if (ioctl(s, SIOCSETCQOS, (caddr_t)&ifr) < 0)
syserr("etcqos");
} else if (strcmp(av[optind], "txdown") == 0) {
if (ioctl(s, SIOCSETCTXDOWN, (caddr_t)&ifr) < 0)
syserr("etctxdown");
} else if (strcmp(av[optind], "speed") == 0) {
if (optind >= (ac -1))
usage(av[0]);
if (strcmp(av[optind+1], "auto") == 0)
arg = -1;
else if (strcmp(av[optind+1], "10half") == 0)
arg = 0;
else if (strcmp(av[optind+1], "10full") == 0)
arg = 1;
else if (strcmp(av[optind+1], "100half") == 0)
arg = 2;
else if (strcmp(av[optind+1], "100full") == 0)
arg = 3;
else
usage(av[0]);
ifr.ifr_data = (caddr_t) &arg;
if (ioctl(s, SIOCSETCSPEED, (caddr_t)&ifr) < 0)
syserr("etcspeed");
}
else if (strcmp(av[optind], "phyrd") == 0) {
int cmd = -1;
if ((ac < (optind + 2)) || (ac > (optind + 3))) {
usage(av[0]);
} else if (ac == (optind + 3)) {
/* PHY address provided */
vecarg[0] = strtoul(av[optind + 1], NULL, 0) << 16;;
vecarg[0] |= strtoul(av[optind + 2], NULL, 0) & 0xffff;
cmd = SIOCGETCPHYRD2;
} else {
/* "My" PHY address implied */
vecarg[0] = strtoul(av[optind + 1], NULL, 0);
cmd = SIOCGETCPHYRD;
}
ifr.ifr_data = (caddr_t) vecarg;
if (ioctl(s, cmd, (caddr_t)&ifr) < 0)
syserr("etcphyrd");
printf("0x%04x\n", vecarg[1]);
} else if (strcmp(av[optind], "phywr") == 0) {
int cmd = -1;
if ((ac < (optind + 3)) || (ac > (optind + 4))) {
usage(av[0]);
} else if (ac == (optind + 4)) {
vecarg[0] = strtoul(av[optind + 1], NULL, 0) << 16;;
vecarg[0] |= strtoul(av[optind + 2], NULL, 0) & 0xffff;
vecarg[1] = strtoul(av[optind + 3], NULL, 0);
cmd = SIOCSETCPHYWR2;
} else {
vecarg[0] = strtoul(av[optind + 1], NULL, 0);
vecarg[1] = strtoul(av[optind + 2], NULL, 0);
cmd = SIOCSETCPHYWR;
}
ifr.ifr_data = (caddr_t) vecarg;
if (ioctl(s, cmd, (caddr_t)&ifr) < 0)
syserr("etcphywr");
} else if (strcmp(av[optind], "robord") == 0) {
if (ac != (optind + 3))
usage(av[0]);
vecarg[0] = strtoul(av[optind + 1], NULL, 0) << 16;;
vecarg[0] |= strtoul(av[optind + 2], NULL, 0) & 0xffff;
ifr.ifr_data = (caddr_t) vecarg;
if (ioctl(s, SIOCGETCROBORD, (caddr_t)&ifr) < 0)
syserr("etcrobord");
printf("0x%04x\n", vecarg[1]);
} else if (strcmp(av[optind], "robowr") == 0) {
if (ac != (optind + 4))
usage(av[0]);
vecarg[0] = strtoul(av[optind + 1], NULL, 0) << 16;;
vecarg[0] |= strtoul(av[optind + 2], NULL, 0) & 0xffff;
vecarg[1] = strtoul(av[optind + 3], NULL, 0);
ifr.ifr_data = (caddr_t) vecarg;
if (ioctl(s, SIOCSETCROBOWR, (caddr_t)&ifr) < 0)
syserr("etcrobowr");
} else
usage(av[0]);
return (0);
}
static void
usage(char *av0)
{
fprintf(stderr, "usage: %s [ [ -a | -i ] interface ] and one of:\n"
"\tup\n"
"\tdown\n"
"\tloop <0 or 1>\n"
"\tdump\n"
"\tmsglevel <bitvec> (error=1, trace=2, prhdr=4, prpkt=8)\n"
"\tpromisc <0 or 1>\n"
"\tqos <0 or 1>\n"
"\ttxdown\n"
"\tspeed <auto, 10half, 10full, 100half, 100full>\n"
"\tphyrd [<phyaddr>] <reg>\n"
"\tphywr [<phyaddr>] <reg> <val>\n"
"\trobord <page> <reg>\n"
"\trobowr <page> <reg> <val>\n"
,
av0);
exit(1);
}
static void
et_find(int s, struct ifreq *ifr)
{
char proc_net_dev[] = "/proc/net/dev";
FILE *fp;
char buf[512], *c, *name;
ifr->ifr_name[0] = '\0';
/* eat first two lines */
if (!(fp = fopen(proc_net_dev, "r")) ||
!fgets(buf, sizeof(buf), fp) ||
!fgets(buf, sizeof(buf), fp))
return;
while (fgets(buf, sizeof(buf), fp)) {
c = buf;
while (isspace(*c))
c++;
if (!(name = strsep(&c, ":")))
continue;
strncpy(ifr->ifr_name, name, IFNAMSIZ);
if (et_check(s, ifr) == 0)
break;
ifr->ifr_name[0] = '\0';
}
fclose(fp);
}
static int
et_check(int s, struct ifreq *ifr)
{
struct ethtool_drvinfo info;
memset(&info, 0, sizeof(info));
info.cmd = ETHTOOL_GDRVINFO;
ifr->ifr_data = (caddr_t)&info;
if (ioctl(s, SIOCETHTOOL, (caddr_t)ifr) < 0) {
/* print a good diagnostic if not superuser */
if (errno == EPERM)
syserr("siocethtool");
return (-1);
}
if (!strncmp(info.driver, "et", 2))
return (0);
else if (!strncmp(info.driver, "bcm57", 5))
return (0);
return (-1);
}
static void
syserr(char *s)
{
perror(s);
exit(1);
}
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