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GigE Support by Stephen Hemminger from
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http://developer.osdl.org/shemminger/prototypes/mii-tool.tar.bz2
with verbose register patch from Dean Gaudet
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Bernd Eckenfels committed Sep 27, 2006
1 parent b5b6f5b commit 2c5906a
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Showing 2 changed files with 93 additions and 37 deletions.
14 changes: 14 additions & 0 deletions include/mii.h
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ struct mii_data {
#define MII_BMCR_RESTART 0x0200
#define MII_BMCR_DUPLEX 0x0100
#define MII_BMCR_COLTEST 0x0080
#define MII_BMCR_SPEED1000 0x0040

/* Basic Mode Status Register */
#define MII_BMSR 0x01
Expand Down Expand Up @@ -86,4 +87,17 @@ struct mii_data {
#define MII_ANER_PAGE_RX 0x0002
#define MII_ANER_LP_AN_ABLE 0x0001

#define MII_CTRL1000 0x09
#define MII_BMCR2_1000FULL 0x0200
#define MII_BMCR2_1000HALF 0x0100

#define MII_STAT1000 0x0a
#define MII_LPA2_1000LOCALOK 0x2000
#define MII_LPA2_1000REMRXOK 0x1000
#define MII_LPA2_1000FULL 0x0800
#define MII_LPA2_1000HALF 0x0400

/* Last register we need for show_basic_mii() */
#define MII_BASIC_MAX (MII_STAT1000+1)

#endif /* _NETTOOLS_MII_H */
116 changes: 79 additions & 37 deletions mii-tool.c
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@
http://www.national.com/pf/DP/DP83840.html
*/

static char version[] = "$Id: mii-tool.c,v 1.8 2004/06/03 22:18:26 ecki Exp $\n(Author: David Hinds based on Donald Becker's mii-diag)";
static char Version[] = "$Id: mii-tool.c,v 1.9 2006/09/27 20:59:18 ecki Exp $\n(Author: David Hinds based on Donald Becker's mii-diag)";

#include <unistd.h>
#include <stdlib.h>
Expand All @@ -45,6 +45,8 @@ static char version[] = "$Id: mii-tool.c,v 1.8 2004/06/03 22:18:26 ecki Exp $\n(
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <linux/sockios.h>

#ifndef __GLIBC__
#include <linux/if_arp.h>
#include <linux/if_ether.h>
Expand All @@ -55,7 +57,7 @@ static char version[] = "$Id: mii-tool.c,v 1.8 2004/06/03 22:18:26 ecki Exp $\n(
#define MAX_ETH 8 /* Maximum # of interfaces */

/* Table of known MII's */
static struct {
static const struct {
u_short id1, id2;
char *name;
} mii_id[] = {
Expand All @@ -74,6 +76,9 @@ static struct {
{ 0x0181, 0x4410, "Quality QS6612" },
{ 0x0282, 0x1c50, "SMSC 83C180" },
{ 0x0300, 0xe540, "TDK 78Q2120" },
{ 0x0141, 0x0c20, "Yukon 88E1011" },
{ 0x0141, 0x0cc0, "Yukon-EC 88E1111" },
{ 0x0141, 0x0c90, "Yukon-2 88E1112" },
};
#define NMII (sizeof(mii_id)/sizeof(mii_id[0]))

Expand Down Expand Up @@ -137,40 +142,48 @@ static void mdio_write(int skfd, int location, int value)

const struct {
char *name;
u_short value;
u_short value[2];
} media[] = {
/* The order through 100baseT4 matches bits in the BMSR */
{ "10baseT-HD", MII_AN_10BASET_HD },
{ "10baseT-FD", MII_AN_10BASET_FD },
{ "100baseTx-HD", MII_AN_100BASETX_HD },
{ "100baseTx-FD", MII_AN_100BASETX_FD },
{ "100baseT4", MII_AN_100BASET4 },
{ "100baseTx", MII_AN_100BASETX_FD | MII_AN_100BASETX_HD },
{ "10baseT", MII_AN_10BASET_FD | MII_AN_10BASET_HD },
{ "10baseT-HD", {MII_AN_10BASET_HD} },
{ "10baseT-FD", {MII_AN_10BASET_FD} },
{ "100baseTx-HD", {MII_AN_100BASETX_HD} },
{ "100baseTx-FD", {MII_AN_100BASETX_FD} },
{ "100baseT4", {MII_AN_100BASET4} },
{ "100baseTx", {MII_AN_100BASETX_FD | MII_AN_100BASETX_HD} },
{ "10baseT", {MII_AN_10BASET_FD | MII_AN_10BASET_HD} },

{ "1000baseT-HD", {0, MII_BMCR2_1000HALF} },
{ "1000baseT-FD", {0, MII_BMCR2_1000FULL} },
{ "1000baseT", {0, MII_BMCR2_1000HALF|MII_BMCR2_1000FULL} },
};
#define NMEDIA (sizeof(media)/sizeof(media[0]))

/* Parse an argument list of media types */
static int parse_media(char *arg)
static int parse_media(char *arg, unsigned *bmcr2)
{
int mask, i;
char *s;
mask = strtoul(arg, &s, 16);
if ((*arg != '\0') && (*s == '\0')) {
if ((mask & MII_AN_ABILITY_MASK) &&
!(mask & ~MII_AN_ABILITY_MASK))
return mask;
!(mask & ~MII_AN_ABILITY_MASK)) {
*bmcr2 = 0;
return mask;
}
goto failed;
} else {
mask = 0;
s = strtok(arg, ", ");
do {
}
mask = 0;
*bmcr2 = 0;
s = strtok(arg, ", ");
do {
for (i = 0; i < NMEDIA; i++)
if (s && strcasecmp(media[i].name, s) == 0) break;
if (i == NMEDIA) goto failed;
mask |= media[i].value;
} while ((s = strtok(NULL, ", ")) != NULL);
}
mask |= media[i].value[0];
*bmcr2 |= media[i].value[1];
} while ((s = strtok(NULL, ", ")) != NULL);

return mask;
failed:
fprintf(stderr, "Invalid media specification '%s'.\n", arg);
Expand All @@ -179,11 +192,24 @@ static int parse_media(char *arg)

/*--------------------------------------------------------------------*/

static char *media_list(int mask, int best)
static const char *media_list(unsigned mask, unsigned mask2, int best)
{
static char buf[100];
int i;
*buf = '\0';

if (mask & MII_BMCR_SPEED1000) {
if (mask2 & MII_BMCR2_1000HALF) {
strcat(buf, " ");
strcat(buf, "1000baseT-HD");
if (best) goto out;
}
if (mask2 & MII_BMCR2_1000FULL) {
strcat(buf, " ");
strcat(buf, "1000baseT-FD");
if (best) goto out;
}
}
mask >>= 5;
for (i = 4; i >= 0; i--) {
if (mask & (1<<i)) {
Expand All @@ -192,6 +218,7 @@ static char *media_list(int mask, int best)
if (best) break;
}
}
out:
if (mask & (1<<5))
strcat(buf, " flow-control");
return buf;
Expand All @@ -201,14 +228,14 @@ int show_basic_mii(int sock, int phy_id)
{
char buf[100];
int i, mii_val[32];
int bmcr, bmsr, advert, lkpar;
unsigned bmcr, bmsr, advert, lkpar, bmcr2, lpa2;

/* Some bits in the BMSR are latched, but we can't rely on being
the only reader, so only the current values are meaningful */
mdio_read(sock, MII_BMSR);
for (i = 0; i < ((verbose > 1) ? 32 : 8); i++)
for (i = 0; i < ((verbose > 1) ? 32 : MII_BASIC_MAX); i++)
mii_val[i] = mdio_read(sock, i);

if (mii_val[MII_BMCR] == 0xffff || mii_val[MII_BMSR] == 0x0000) {
fprintf(stderr, " No MII transceiver present!.\n");
return -1;
Expand All @@ -217,14 +244,15 @@ int show_basic_mii(int sock, int phy_id)
/* Descriptive rename. */
bmcr = mii_val[MII_BMCR]; bmsr = mii_val[MII_BMSR];
advert = mii_val[MII_ANAR]; lkpar = mii_val[MII_ANLPAR];
bmcr2 = mii_val[MII_CTRL1000]; lpa2 = mii_val[MII_STAT1000];

sprintf(buf, "%s: ", ifr.ifr_name);
if (bmcr & MII_BMCR_AN_ENA) {
if (bmsr & MII_BMSR_AN_COMPLETE) {
if (advert & lkpar) {
strcat(buf, (lkpar & MII_AN_ACK) ?
"negotiated" : "no autonegotiation,");
strcat(buf, media_list(advert & lkpar, 1));
strcat(buf, media_list(advert & lkpar, bmcr2 & lpa2>>2, 1));
strcat(buf, ", ");
} else {
strcat(buf, "autonegotiation failed, ");
Expand All @@ -234,8 +262,10 @@ int show_basic_mii(int sock, int phy_id)
}
} else {
sprintf(buf+strlen(buf), "%s Mbit, %s duplex, ",
(bmcr & MII_BMCR_100MBIT) ? "100" : "10",
(bmcr & MII_BMCR_DUPLEX) ? "full" : "half");
((bmcr2 & (MII_BMCR2_1000HALF | MII_BMCR2_1000FULL)) & lpa2 >> 2)
? "1000"
: (bmcr & MII_BMCR_100MBIT) ? "100" : "10",
(bmcr & MII_BMCR_DUPLEX) ? "full" : "half");
}
strcat(buf, (bmsr & MII_BMSR_LINK_VALID) ? "link ok" : "no link");

Expand Down Expand Up @@ -296,10 +326,10 @@ int show_basic_mii(int sock, int phy_id)
if (bmsr & MII_BMSR_REMOTE_FAULT)
printf("remote fault, ");
printf((bmsr & MII_BMSR_LINK_VALID) ? "link ok" : "no link");
printf("\n capabilities:%s", media_list(bmsr >> 6, 0));
printf("\n advertising: %s", media_list(advert, 0));
printf("\n capabilities:%s", media_list(bmsr >> 6, bmcr2, 0));
printf("\n advertising: %s", media_list(advert, lpa2 >> 2, 0));
if (lkpar & MII_AN_ABILITY_MASK)
printf("\n link partner:%s", media_list(lkpar, 0));
printf("\n link partner:%s", media_list(lkpar, bmcr2, 0));
printf("\n");
}
fflush(stdout);
Expand Down Expand Up @@ -379,7 +409,8 @@ static void watch_one_xcvr(int skfd, char *ifname, int index)

/*--------------------------------------------------------------------*/

const char *usage = "usage: %s [-VvRrwl] [-A media,... | -F media] [interface ...]\n"
const char *usage =
"usage: %s [-VvRrwl] [-A media,... | -F media] [interface ...]\n"
" -V, --version display version information\n"
" -v, --verbose more verbose output\n"
" -R, --reset reset MII to poweron state\n"
Expand All @@ -388,18 +419,29 @@ const char *usage = "usage: %s [-VvRrwl] [-A media,... | -F media] [interface ..
" -l, --log with -w, write events to syslog\n"
" -A, --advertise=media,... advertise only specified media\n"
" -F, --force=media force specified media technology\n"
"media: 100baseT4, 100baseTx-FD, 100baseTx-HD, 10baseT-FD, 10baseT-HD,\n"
" (to advertise both HD and FD) 100baseTx, 10baseT\n";
"media: 1000baseTx-HD, 1000baseTx-FD,\n"
" 100baseT4, 100baseTx-FD, 100baseTx-HD,\n"
" 10baseT-FD, 10baseT-HD,\n"
" (to advertise both HD and FD) 1000baseTx, 100baseTx, 10baseT\n";


static void version(void)
{
fprintf(stderr, "%s\n%s\n", Version, RELEASE);
exit(5); /* E_VERSION */
}


int main(int argc, char **argv)
{
int i, c, ret, errflag = 0;
char s[6];
unsigned ctrl1000 = 0;

while ((c = getopt_long(argc, argv, "A:F:p:lrRvVw?", longopts, 0)) != EOF)
switch (c) {
case 'A': nway_advertise = parse_media(optarg); break;
case 'F': fixed_speed = parse_media(optarg); break;
case 'A': nway_advertise = parse_media(optarg, &ctrl1000); break;
case 'F': fixed_speed = parse_media(optarg, &ctrl1000); break;
case 'p': override_phy = atoi(optarg); break;
case 'r': opt_restart++; break;
case 'R': opt_reset++; break;
Expand All @@ -422,14 +464,14 @@ int main(int argc, char **argv)
}

if (opt_version)
printf("%s\n%s\n", version, RELEASE);
version();

/* Open a basic socket. */
if ((skfd = socket(AF_INET, SOCK_DGRAM,0)) < 0) {
perror("socket");
exit(-1);
}

if (verbose > 1)
printf("Using SIOCGMIIPHY=0x%x\n", SIOCGMIIPHY);

Expand Down

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