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print_phy.c
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print_phy.c
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/* This file is part of phytool
*
* phytool is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* phytool is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with phytool. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <linux/mdio.h>
#include <net/if.h>
#include "phytool.h"
void print_bool(const char *name, int on)
{
if (on)
fputs("\e[1m+", stdout);
else
fputs("-", stdout);
fputs(name, stdout);
if (on)
fputs("\e[0m", stdout);
}
void print_attr_name(const char *name, int indent)
{
int len;
printf("%*s%s:", indent, "", name);
len = strlen(name) + 1;
printf("%*s", (len > 16) ? 0 : 16 - len, "");
}
static void ieee_bmcr(uint16_t val, int indent)
{
int speed = 10;
if (val & BMCR_SPEED100)
speed = 100;
if (val & BMCR_SPEED1000)
speed = 1000;
printf("%*sieee-phy: reg:BMCR(0x00) val:0x%.4x\n", indent, "", val);
print_attr_name("flags", indent + INDENT);
print_bool("reset", val & BMCR_RESET);
putchar(' ');
print_bool("loopback", val & BMCR_LOOPBACK);
putchar(' ');
print_bool("aneg-enable", val & BMCR_ANENABLE);
putchar(' ');
print_bool("power-down", val & BMCR_PDOWN);
putchar(' ');
print_bool("isolate", val & BMCR_ISOLATE);
putchar(' ');
print_bool("aneg-restart", val & BMCR_ANRESTART);
putchar(' ');
print_bool("collision-test", val & BMCR_CTST);
putchar('\n');
print_attr_name("speed", indent + INDENT);
printf("%d-%s\n", speed, (val & BMCR_FULLDPLX) ? "full" : "half");
}
static void ieee_bmsr(uint16_t val, int indent)
{
printf("%*sieee-phy: reg:BMSR(0x01) val:0x%.4x\n", indent, "", val);
print_attr_name("capabilities", indent + INDENT);
print_bool("100-b4", val & BMSR_100BASE4);
putchar(' ');
print_bool("100-f", val & BMSR_100FULL);
putchar(' ');
print_bool("100-h", val & BMSR_100HALF);
putchar(' ');
print_bool("10-f", val & BMSR_10FULL);
putchar(' ');
print_bool("10-h", val & BMSR_10HALF);
putchar(' ');
print_bool("100-t2-f", val & BMSR_100FULL2);
putchar(' ');
print_bool("100-t2-h", val & BMSR_100HALF2);
putchar('\n');
print_attr_name("flags", indent + INDENT);
print_bool("ext-status", val & BMSR_ESTATEN);
putchar(' ');
print_bool("aneg-complete", val & BMSR_ANEGCOMPLETE);
putchar(' ');
print_bool("remote-fault", val & BMSR_RFAULT);
putchar(' ');
print_bool("aneg-capable", val & BMSR_ANEGCAPABLE);
putchar(' ');
print_bool("link", val & BMSR_LSTATUS);
putchar(' ');
print_bool("jabber", val & BMSR_JCD);
putchar(' ');
print_bool("ext-register", val & BMSR_ERCAP);
putchar('\n');
}
static void (*ieee_reg_printers[32])(uint16_t, int) = {
ieee_bmcr,
ieee_bmsr,
};
static int ieee_one(const struct loc *loc, int indent)
{
int val = phy_read(loc);
if (val < 0)
return val;
if (loc->reg > 0x1f || !ieee_reg_printers[loc->reg])
printf("%*sieee-phy: reg:0x%.2x val:0x%.4x\n", indent, "",
loc->reg, val);
else
ieee_reg_printers[loc->reg](val, indent);
return 0;
}
int print_phy_ieee(const struct loc *loc, int indent)
{
struct loc loc_sum = *loc;
if (loc->reg != REG_SUMMARY)
return ieee_one(loc, indent);
printf("%*sieee-phy: id:0x%.8x\n\n", indent, "", phy_id(loc));
loc_sum.reg = 0;
ieee_one(&loc_sum, indent + INDENT);
putchar('\n');
loc_sum.reg = 1;
ieee_one(&loc_sum, indent + INDENT);
return 0;
}
struct printer {
uint32_t id;
uint32_t mask;
int (*print)(const struct loc *loc, int indent);
};
struct printer printer[] = {
/* { .id = 0x01410eb0, .mask = 0xffffff0, .print = print_mv1112 }, */
{ .id = 0, .mask = 0, .print = print_phy_ieee },
{ .print = NULL }
};
int print_phytool(const struct loc *loc, int indent)
{
struct printer *p;
uint32_t id = phy_id(loc);
for (p = printer; p->print; p++)
if ((id & p->mask) == p->id)
return p->print(loc, indent);
return -1;
}