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author | Antony Pavlov <antonynpavlov@gmail.com> | 2013-12-25 11:50:01 +0400 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-01-06 09:42:29 +0100 |
commit | 8ffd4f8c741d695779a91d62d9fe7b4f1e0c7ab2 (patch) | |
tree | 47c6eaae29d952a7ca7b0846daa8011717743d90 /commands/miitool.c | |
parent | 8bc54c172131244abbc5adabfd7fee07d8400d8a (diff) | |
download | barebox-8ffd4f8c741d695779a91d62d9fe7b4f1e0c7ab2.tar.gz barebox-8ffd4f8c741d695779a91d62d9fe7b4f1e0c7ab2.tar.xz |
miitool: change behaviour closer to linux' mii-tool
miitool without arguments will try to show status for all phys.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'commands/miitool.c')
-rw-r--r-- | commands/miitool.c | 88 |
1 files changed, 47 insertions, 41 deletions
diff --git a/commands/miitool.c b/commands/miitool.c index a00514d3cc..96d6f80727 100644 --- a/commands/miitool.c +++ b/commands/miitool.c @@ -36,24 +36,11 @@ #include <getopt.h> #include <linux/stat.h> #include <xfuncs.h> +#include <net.h> #include <linux/mii.h> #include <linux/phy.h> +#include <linux/err.h> -static u16 mdio_read(int fd, int offset) -{ - int ret; - u16 buf; - - ret = lseek(fd, offset << 1, SEEK_SET); - if (ret < 0) - return 0; - - ret = read(fd, &buf, sizeof(u16)); - if (ret < 0) - return 0; - - return buf; -} /* Table of known MII's */ static const struct { @@ -102,7 +89,8 @@ static char *media_list(int mask, int best) return buf; } -static int show_basic_mii(int fd, int verbose) +static int show_basic_mii(struct mii_bus *mii, struct phy_device *phydev, + int verbose) { char buf[100]; int i, mii_val[32]; @@ -110,15 +98,19 @@ static int show_basic_mii(int fd, int verbose) /* 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(fd, MII_BMSR); - for (i = 0; i < ((verbose > 1) ? 32 : 8); i++) - mii_val[i] = mdio_read(fd, i); + mii->read(mii, phydev->addr, MII_BMSR); + + for (i = 0; i < 32; i++) + mii_val[i] = mii->read(mii, phydev->addr, i); if (mii_val[MII_BMCR] == 0xffff) { fprintf(stderr, " No MII transceiver present!.\n"); return -1; } + printf("%s: %s%d: ", phydev->cdev.name, + mii->parent->name, mii->parent->id); + /* Descriptive rename. */ bmcr = mii_val[MII_BMCR]; bmsr = mii_val[MII_BMSR]; @@ -212,24 +204,46 @@ static int show_basic_mii(int fd, int verbose) return 0; } +static void mdiobus_show(struct device_d *dev, char *phydevname, int verbose) +{ + struct mii_bus *mii = to_mii_bus(dev); + int i; + + for (i = 0; i < PHY_MAX_ADDR; i++) { + struct phy_device *phydev; + + phydev = mdiobus_scan(mii, i); + if (IS_ERR(phydev)) + continue; + if (phydev->registered) { + + show_basic_mii(mii, phydev, verbose); + + if (phydevname && + !strcmp(phydev->cdev.name, phydevname)) { + return; + } + } + + } + + return; +} + static int do_miitool(int argc, char *argv[]) { - char *filename; + char *phydevname; + struct mii_bus *mii; int opt; int argc_min; - int fd; int verbose; - int scan = 0; verbose = 0; - while ((opt = getopt(argc, argv, "vs")) > 0) { + while ((opt = getopt(argc, argv, "v")) > 0) { switch (opt) { case 'v': verbose++; break; - case 's': - scan = 1; - break; default: return COMMAND_ERROR_USAGE; } @@ -237,23 +251,15 @@ static int do_miitool(int argc, char *argv[]) argc_min = optind + 1; - if (scan) - mdiobus_detect_all(); - - if (argc < argc_min) - return scan ? 0 : COMMAND_ERROR_USAGE; - - filename = argv[optind]; - - fd = open(filename, O_RDONLY); - if (fd < 0) { - printf("unable to read %s\n", filename); - return COMMAND_ERROR; + phydevname = NULL; + if (argc >= argc_min) { + phydevname = argv[optind]; } - show_basic_mii(fd, verbose); - - close(fd); + for_each_mii_bus(mii) { + mdiobus_detect(&mii->dev); + mdiobus_show(&mii->dev, phydevname, verbose); + } return COMMAND_SUCCESS; } |