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Diffstat (limited to 'packages/mii-diag/mii-diag-2.11/mii-diag.c')
-rw-r--r-- | packages/mii-diag/mii-diag-2.11/mii-diag.c | 648 |
1 files changed, 0 insertions, 648 deletions
diff --git a/packages/mii-diag/mii-diag-2.11/mii-diag.c b/packages/mii-diag/mii-diag-2.11/mii-diag.c deleted file mode 100644 index 3c47e4a9b5..0000000000 --- a/packages/mii-diag/mii-diag-2.11/mii-diag.c +++ /dev/null @@ -1,648 +0,0 @@ -/* Mode: C; - * mii-diag.c: Examine and set the MII registers of a network interfaces. - - Usage: mii-diag [-vw] interface. - - This program reads and writes the Media Independent Interface (MII) - management registers on network transceivers. The registers control - and report network link settings and errors. Examples are link speed, - duplex, capabilities advertised to the link partner, status LED - indications and link error counters. - - Notes: - The compile-command is at the end of this source file. - This program works with drivers that implement MII ioctl() calls. - - Written/copyright 1997-2003 by Donald Becker <becker@scyld.com> - - This program 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. - - The author may be reached as becker@scyld.com, or C/O - Scyld Computing Corporation - 914 Bay Ridge Road, Suite 220 - Annapolis MD 21403 - - References - http://scyld.com/expert/mii-status.html - http://scyld.com/expert/NWay.html - http://www.national.com/pf/DP/DP83840.html -*/ - -static char version[] = -"mii-diag.c:v2.11 3/21/2005 Donald Becker (becker@scyld.com)\n" -" http://www.scyld.com/diag/index.html\n"; - -static const char usage_msg[] = -"Usage: %s [--help] [-aDfrRvVw] [-AF <speed+duplex>] [--watch] <interface>.\n"; -static const char long_usage_msg[] = -"Usage: %s [-aDfrRvVw] [-AF <speed+duplex>] [--watch] <interface>.\n" -"\n" -" This program configures and monitors the transceiver management registers\n" -" for network interfaces. It uses the Media Independent Interface (MII)\n" -" standard with additional Linux-specific controls to communicate with the\n" -" underlying device driver. The MII registers control and report network\n" -" link settings and errors. Examples are link speed, duplex, capabilities\n" -" advertised to the link partner, status LED indications and link error\n" -" counters.\n" -"\n" -" The common usage is\n" -" mii-diag eth0\n" -"\n" -" The default interface is \"eth0\".\n" -" Frequently used options are\n" -" -A --advertise <speed|setting>\n" -" -F --fixed-speed <speed>\n" -" Speed is one of: 100baseT4, 100baseTx, 100baseTx-FD, 100baseTx-HD,\n" -" 10baseT, 10baseT-FD, 10baseT-HD\n" -" -s --status Return exit status 2 if there is no link beat.\n" -"\n" -" Less frequently used options are\n" -" -a --all-interfaces Show the status all interfaces\n" -" (Not recommended with options that change settings.)\n" -" -D --debug\n" -" -g --read-parameters Get driver-specific parameters.\n" -" -G --set-parameters PARMS Set driver-specific parameters.\n" -" Parameters are comma separated, missing elements retain existing value.\n" -" -M --msg-level LEVEL Set the driver message bit map.\n" -" -p --phy ADDR Set the PHY (MII address) to report.\n" -" -r --restart Restart the link autonegotiation.\n" -" -R --reset Reset the transceiver.\n" -" -v --verbose Report each action taken.\n" -" -V --version Emit version information.\n" -" -w --watch Continuously monitor the transceiver and report changes.\n" -"\n" -" This command returns success (zero) if the interface information can be\n" -" read. If the --status option is passed, a zero return means that the\n" -" interface has link beat.\n"; - -#include <unistd.h> -#include <stdlib.h> -#include <stdio.h> -#include <ctype.h> -#include <string.h> -#include <errno.h> -#include <fcntl.h> -#include <getopt.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/ioctl.h> -#include <net/if.h> -#ifdef use_linux_libc5 -#include <linux/if_arp.h> -#include <linux/if_ether.h> -#endif - -typedef u_int32_t u32; -typedef u_int16_t u16; -typedef u_int8_t u8; - -#if defined(SIOCGPARAMS) && SIOCGPARAMS != SIOCDEVPRIVATE+3 -#error Changed definition for SIOCGPARAMS -#else -#define SIOCGPARAMS (SIOCDEVPRIVATE+3) /* Read operational parameters. */ -#define SIOCSPARAMS (SIOCDEVPRIVATE+4) /* Set operational parameters. */ -#endif - -const char shortopts[] = "aA:C:DfF:gG:hmM:p:rRsvVw?"; -struct option longopts[] = { - /* { name has_arg *flag val } */ - {"all-interfaces", 0, 0, 'a'}, /* Show all interfaces. */ - {"advertise", 1, 0, 'A'}, /* Change the capabilities advertised. */ - {"BMCR", 1, 0, 'C'}, /* Set the control register. */ - {"debug", 0, 0, 'D'}, /* Increase the debug level. */ - {"force", 0, 0, 'f'}, /* Force the operation. */ - {"fixed-speed", 1, 0, 'F'}, /* Fixed speed name. */ - {"read-parameters", 0, 0, 'g'}, /* Show general settings values. */ - {"set-parameters", 1, 0, 'G'}, /* Write general settings values. */ - {"help", 0, 0, 'h'}, /* Print a long usage message. */ - {"monitor", 0, 0, 'm'}, /* Monitor status register. */ - {"msg-level", 1, 0, 'M'}, /* Set the driver message level. */ - {"phy", 1, 0, 'p'}, /* Set the PHY (MII address) to report. */ - {"restart", 0, 0, 'r'}, /* Restart the link negotiation */ - {"reset", 0, 0, 'R'}, /* Reset the transceiver. */ - {"status", 0, 0, 's'}, /* Non-zero exit status w/ no link beat. */ - {"verbose", 0, 0, 'v'}, /* Report each action taken. */ - {"version", 0, 0, 'V'}, /* Emit version information. */ - {"watch", 0, 0, 'w'}, /* Constantly monitor the port. */ - {"error", 0, 0, '?'}, /* Return the error message. */ - { 0, 0, 0, 0 } -}; - -/* Usually in libmii.c, but trivial substitions are below. */ -extern int show_mii_details(long ioaddr, int phy_id); -extern void monitor_mii(long ioaddr, int phy_id); -int show_mii_details(long ioaddr, int phy_id) __attribute__((weak)); -void monitor_mii(long ioaddr, int phy_id) __attribute__((weak)); - - -/* Command-line flags. */ -unsigned int opt_a = 0, /* Show-all-interfaces flag. */ - opt_f = 0, /* Force the operation. */ - opt_g = 0, - opt_G = 0, - verbose = 0, /* Verbose flag. */ - debug = 0, - opt_version = 0, - opt_restart = 0, - opt_reset = 0, - opt_status = 0, - opt_watch = 0; -static int msg_level = -1; -static int set_BMCR = -1; -static int nway_advertise = 0; -static int fixed_speed = -1; -static int override_phy = -1; -char *opt_G_string = NULL; - -/* Internal values. */ -int new_ioctl_nums; -int skfd = -1; /* AF_INET socket for ioctl() calls. */ -struct ifreq ifr; - -int do_one_xcvr(int skfd); -int show_basic_mii(long ioaddr, int phy_id); -int mdio_read(int skfd, int phy_id, int location); -void mdio_write(int skfd, int phy_id, int location, int value); -static int parse_advertise(const char *capabilities); -static void monitor_status(long ioaddr, int phy_id); - - -int -main(int argc, char **argv) -{ - int c, errflag = 0; - char **spp, *ifname; - char *progname = rindex(argv[0], '/') ? rindex(argv[0], '/')+1 : argv[0]; - - while ((c = getopt_long(argc, argv, shortopts, longopts, 0)) != EOF) - switch (c) { - case 'a': opt_a++; break; - case 'A': nway_advertise |= parse_advertise(optarg); - if (nway_advertise == -1) errflag++; - break; - case 'C': set_BMCR = strtoul(optarg, NULL, 16); break; - case 'D': debug++; break; - case 'f': opt_f++; break; - case 'F': fixed_speed = parse_advertise(optarg); - if (fixed_speed == -1) errflag++; - break; - case 'g': opt_g++; break; - case 'G': opt_G++; opt_G_string = strdup(optarg); break; - case 'm': opt_watch++; opt_status++; break; - case 'M': msg_level = strtoul(optarg, NULL, 0); break; - case 'h': fprintf(stderr, long_usage_msg, progname); return 0; - case 'p': override_phy = atoi(optarg); break; - case 'r': opt_restart++; break; - case 'R': opt_reset++; break; - case 's': opt_status++; break; - case 'v': verbose++; break; - case 'V': opt_version++; break; - case 'w': opt_watch++; break; - case '?': errflag++; break; - } - if (errflag) { - fprintf(stderr, usage_msg, progname); - return 2; - } - - if (verbose || opt_version) - printf(version); - - /* Open a basic socket. */ - if ((skfd = socket(AF_INET, SOCK_DGRAM,0)) < 0) { - perror("socket"); - return 1; - } - - if (debug) - fprintf(stderr, "DEBUG: argc=%d, optind=%d and argv[optind] is %s.\n", - argc, optind, argv[optind]); - - /* No remaining args means show all interfaces. */ - if (optind == argc) { - ifname = "eth0"; - fprintf(stderr, "Using the default interface 'eth0'.\n"); - } else { - /* Copy the interface name. */ - spp = argv + optind; - ifname = *spp++; - } - - if (ifname == NULL) { - ifname = "eth0"; - fprintf(stderr, "Using the default interface 'eth0'.\n"); - } - - /* Verify that the interface supports the ioctl(), and if - it is using the new or old SIOCGMIIPHY value (grrr...). - */ - { - u16 *data = (u16 *)(&ifr.ifr_data); - - strncpy(ifr.ifr_name, ifname, IFNAMSIZ); - data[0] = 0; - - if (ioctl(skfd, 0x8947, &ifr) >= 0) { - new_ioctl_nums = 1; - } else if (ioctl(skfd, SIOCDEVPRIVATE, &ifr) >= 0) { - new_ioctl_nums = 0; - } else { - fprintf(stderr, "SIOCGMIIPHY on %s failed: %s\n", ifname, - strerror(errno)); - (void) close(skfd); - return 1; - } - if (verbose) - printf(" Using the %s SIOCGMIIPHY value on PHY %d " - "(BMCR 0x%4.4x).\n", - new_ioctl_nums ? "new" : "old", data[0], data[3]); - } - - do_one_xcvr(skfd); - - (void) close(skfd); - return 0; -} - -int do_one_xcvr(int skfd) -{ - u16 *data = (u16 *)(&ifr.ifr_data); - u32 *data32 = (u32 *)(&ifr.ifr_data); - unsigned phy_id = data[0]; - - if (override_phy >= 0) { - printf("Using the specified MII PHY index %d.\n", override_phy); - phy_id = override_phy; - } - - if (opt_g || opt_G || msg_level >= 0) { - if (ioctl(skfd, SIOCGPARAMS, &ifr) < 0) { - fprintf(stderr, "SIOCGPARAMS on %s failed: %s\n", ifr.ifr_name, - strerror(errno)); - return -1; - } - } - if (opt_g) { - int i; - printf("Driver general parameter settings:"); - for (i = 0; i*sizeof(u32) < sizeof(ifr.ifr_ifru); i++) { - printf(" %d", data32[i]); - } - printf(".\n"); - } - if (opt_G) { - /* Set up to four arbitrary driver parameters from the -G parameter. - The format is comma separated integers, with a missing element - retaining the previous value. - */ - char *str = opt_G_string; - int i; - for (i = 0; str && i < 4; i++) { - char *endstr; - u32 newval = strtol(str, &endstr, 0); - if (debug) - printf(" parse string '%s' value %d end '%s'.\n", - str, newval, endstr); - if (str == endstr) { - if (endstr[0] == ',') /* No parameter */ - str = endstr+1; - else { - fprintf(stderr, "Invalid driver parameter '%s'.\n", str); - str = index(str, ','); - } - } else if (endstr[0] == ',') { - data32[i] = newval; - str = endstr + 1; - } else if (endstr[0] == 0) { - data32[i] = newval; - break; - } - } - printf("Setting new driver general parameters:"); - for (i = 0; i*sizeof(u32) < sizeof(ifr.ifr_ifru); i++) { - printf(" %d", data32[i]); - } - printf(".\n"); - if (ioctl(skfd, SIOCSPARAMS, &ifr) < 0) { - fprintf(stderr, "SIOCSPARAMS on %s failed: %s\n", ifr.ifr_name, - strerror(errno)); - return -1; - } - } - if (msg_level >= 0) { - data32[0] = msg_level; - if (ioctl(skfd, SIOCSPARAMS, &ifr) < 0) { - fprintf(stderr, "SIOCSPARAMS on %s failed: %s\n", ifr.ifr_name, - strerror(errno)); - return -1; - } - } - - if (opt_reset) { - printf("Resetting the transceiver...\n"); - mdio_write(skfd, phy_id, 0, 0x8000); - } - /* Note: PHY addresses > 32 are pseudo-MII devices, usually built-in. */ - if (phy_id < 64 && nway_advertise > 0) { - printf(" Setting the media capability advertisement register of " - "PHY #%d to 0x%4.4x.\n", phy_id, nway_advertise | 1); - mdio_write(skfd, phy_id, 4, nway_advertise | 1); - mdio_write(skfd, phy_id, 0, 0x1000); - } - - if (opt_restart) { - printf("Restarting negotiation...\n"); - mdio_write(skfd, phy_id, 0, 0x0000); - mdio_write(skfd, phy_id, 0, 0x1200); - } - /* To force 100baseTx-HD do mdio_write(skfd, phy_id, 0, 0x2000); */ - if (fixed_speed >= 0) { - int reg0_val = 0; - if (fixed_speed & 0x0180) /* 100mpbs */ - reg0_val |= 0x2000; - if ((fixed_speed & 0x0140) && /* A full duplex type and */ - ! (fixed_speed & 0x0820)) /* no half duplex types. */ - reg0_val |= 0x0100; - printf("Setting the speed to \"fixed\", Control register %4.4x.\n", - reg0_val); - mdio_write(skfd, phy_id, 0, reg0_val); - } - if (set_BMCR >= 0) { - printf("Setting the Basic Mode Control Register to 0x%4.4x.\n", - set_BMCR); - mdio_write(skfd, phy_id, 0, set_BMCR); - } - - if (opt_watch && opt_status) - monitor_status(skfd, phy_id); - - show_basic_mii(skfd, phy_id); -#ifdef LIBMII - if (verbose) - show_mii_details(skfd, phy_id); -#else - if (verbose || debug) { - int mii_reg, mii_val; - printf(" MII PHY #%d transceiver registers:", phy_id); - for (mii_reg = 0; mii_reg < 32; mii_reg++) { - mii_val = mdio_read(skfd, phy_id, mii_reg); - printf("%s %4.4x", (mii_reg % 8) == 0 ? "\n " : "", - mii_val); - } - printf("\n"); - } -#endif - - if (opt_watch) - monitor_mii(skfd, phy_id); - if (opt_status && - (mdio_read(skfd, phy_id, 1) & 0x0004) == 0) - exit(2); - return 0; -} - -int mdio_read(int skfd, int phy_id, int location) -{ - u16 *data = (u16 *)(&ifr.ifr_data); - - data[0] = phy_id; - data[1] = location; - - if (ioctl(skfd, new_ioctl_nums ? 0x8948 : SIOCDEVPRIVATE+1, &ifr) < 0) { - fprintf(stderr, "SIOCGMIIREG on %s failed: %s\n", ifr.ifr_name, - strerror(errno)); - return -1; - } - return data[3]; -} - -void mdio_write(int skfd, int phy_id, int location, int value) -{ - u16 *data = (u16 *)(&ifr.ifr_data); - - data[0] = phy_id; - data[1] = location; - data[2] = value; - - if (ioctl(skfd, new_ioctl_nums ? 0x8949 : SIOCDEVPRIVATE+2, &ifr) < 0) { - fprintf(stderr, "SIOCSMIIREG on %s failed: %s\n", ifr.ifr_name, - strerror(errno)); - } -} - -/* Parse the command line argument for advertised capabilities. */ -static int parse_advertise(const char *capabilities) -{ - const char *mtypes[] = { - "100baseT4", "100baseTx", "100baseTx-FD", "100baseTx-HD", - "10baseT", "10baseT-FD", "10baseT-HD", 0, - }; - char *endptr; - int cap_map[] = { 0x0200, 0x0180, 0x0100, 0x0080, 0x0060, 0x0040, 0x0020,}; - int i; - if ( ! capabilities) { - fprintf(stderr, "You passed -A 'NULL'. You must provide a media" - " list to advertise!\n"); - return -1; - } - if (debug) - fprintf(stderr, "Advertise string is '%s'.\n", capabilities); - for (i = 0; mtypes[i]; i++) - if (strcasecmp(mtypes[i], capabilities) == 0) - return cap_map[i]; - if ((i = strtol(capabilities, &endptr, 16)) <= 0xffff && endptr[0] == 0) - return i; - fprintf(stderr, "Invalid media advertisement value '%s'.\n" - " Either pass a numeric value or one of the following names:\n", - capabilities); - for (i = 0; mtypes[i]; i++) - fprintf(stderr, " %-14s %3.3x\n", mtypes[i], cap_map[i]); - return -1; -} - -/* Trivial versions if we don't link against libmii.c */ -static const char *media_names[] = { - "10baseT", "10baseT-FD", "100baseTx", "100baseTx-FD", "100baseT4", - "Flow-control", 0, -}; -/* Various non-good bits in the command register. */ -static const char *bmcr_bits[] = { - " Internal Collision-Test enabled!\n", "", /* 0x0080,0x0100 */ - " Restarted auto-negotiation in progress!\n", - " Transceiver isolated from the MII!\n", - " Transceiver powered down!\n", "", "", - " Transceiver in loopback mode!\n", - " Transceiver currently being reset!\n", -}; - -int show_basic_mii(long ioaddr, int phy_id) -{ - int mii_reg, i; - u16 mii_val[32]; - u16 bmcr, bmsr, new_bmsr, nway_advert, lkpar; - - for (mii_reg = 0; mii_reg < 8; mii_reg++) - mii_val[mii_reg] = mdio_read(ioaddr, phy_id, mii_reg); - if ( ! verbose) { - printf("Basic registers of MII PHY #%d: ", phy_id); - for (mii_reg = 0; mii_reg < 8; mii_reg++) - printf(" %4.4x", mii_val[mii_reg]); - printf(".\n"); - } - - if (mii_val[0] == 0xffff || mii_val[1] == 0x0000) { - printf(" No MII transceiver present!.\n"); - if (! opt_f) { - printf(" Use '--force' to view the information anyway.\n"); - return -1; - } - } - /* Descriptive rename. */ - bmcr = mii_val[0]; - bmsr = mii_val[1]; - nway_advert = mii_val[4]; - lkpar = mii_val[5]; - - if (lkpar & 0x4000) { - int negotiated = nway_advert & lkpar & 0x3e0; - int max_capability = 0; - /* Scan for the highest negotiated capability, highest priority - (100baseTx-FDX) to lowest (10baseT-HDX). */ - int media_priority[] = {8, 9, 7, 6, 5}; /* media_names[i-5] */ - printf(" The autonegotiated capability is %4.4x.\n", negotiated); - for (i = 0; media_priority[i]; i++) - if (negotiated & (1 << media_priority[i])) { - max_capability = media_priority[i]; - break; - } - if (max_capability) - printf("The autonegotiated media type is %s.\n", - media_names[max_capability - 5]); - else - printf("No common media type was autonegotiated!\n" - "This is extremely unusual and typically indicates a " - "configuration error.\n" "Perhaps the advertised " - "capability set was intentionally limited.\n"); - } - printf(" Basic mode control register 0x%4.4x:", bmcr); - if (bmcr & 0x1000) - printf(" Auto-negotiation enabled.\n"); - else - printf(" Auto-negotiation disabled, with\n" - " Speed fixed at 10%s mbps, %s-duplex.\n", - bmcr & 0x2000 ? "0" : "", - bmcr & 0x0100 ? "full":"half"); - for (i = 0; i < 9; i++) - if (bmcr & (0x0080<<i)) - printf(bmcr_bits[i]); - - new_bmsr = mdio_read(ioaddr, phy_id, 1); - if ((bmsr & 0x0016) == 0x0004) - printf( " You have link beat, and everything is working OK.\n"); - else - printf(" Basic mode status register 0x%4.4x ... %4.4x.\n" - " Link status: %sestablished.\n", - bmsr, new_bmsr, - bmsr & 0x0004 ? "" : - (new_bmsr & 0x0004) ? "previously broken, but now re" : "not "); - if (verbose) { - printf(" This transceiver is capable of "); - if (bmsr & 0xF800) { - for (i = 15; i >= 11; i--) - if (bmsr & (1<<i)) - printf(" %s", media_names[i-11]); - } else - printf("<Warning! No media capabilities>"); - printf(".\n"); - printf(" %s to perform Auto-negotiation, negotiation %scomplete.\n", - bmsr & 0x0008 ? "Able" : "Unable", - bmsr & 0x0020 ? "" : "not "); - } - - if (bmsr & 0x0010) - printf(" Remote fault detected!\n"); - if (bmsr & 0x0002) - printf(" *** Link Jabber! ***\n"); - - if (lkpar & 0x4000) { - printf(" Your link partner advertised %4.4x:", - lkpar); - for (i = 5; i >= 0; i--) - if (lkpar & (0x20<<i)) - printf(" %s", media_names[i]); - printf("%s.\n", lkpar & 0x0400 ? ", w/ 802.3X flow control" : ""); - } else if (lkpar & 0x00A0) - printf(" Your link partner is generating %s link beat (no" - " autonegotiation).\n", - lkpar & 0x0080 ? "100baseTx" : "10baseT"); - else if ( ! (bmcr & 0x1000)) - printf(" Link partner information is not exchanged when in" - " fixed speed mode.\n"); - else if ( ! (new_bmsr & 0x004)) - ; /* If no partner, do not report status. */ - else if (lkpar == 0x0001 || lkpar == 0x0000) { - printf(" Your link partner does not do autonegotiation, and this " - "transceiver type\n does not report the sensed link " - "speed.\n"); - } else - printf(" Your link partner is strange, status %4.4x.\n", lkpar); - - printf(" End of basic transceiver information.\n\n"); - return 0; -} - -static void monitor_status(long ioaddr, int phy_id) -{ - unsigned int baseline_1 = 0x55555555; /* Always show initial status. */ - - while (1) { - unsigned int new_1 = mdio_read(ioaddr, phy_id, 1); - if (new_1 != baseline_1) { - printf("%-12s 0x%4.4x 0x%4.4x\n", - new_1 & 0x04 ? (new_1==0xffff ? "unknown" : "up") : - new_1 & 0x20 ? "negotiating" : "down", - new_1, mdio_read(ioaddr, phy_id, 5)); - fflush(stdout); - baseline_1 = new_1; - } - sleep(1); - } -} - -int show_mii_details(long ioaddr, int phy_id) -{ - int mii_reg, mii_val; - printf(" MII PHY #%d transceiver registers:", phy_id); - for (mii_reg = 0; mii_reg < 32; mii_reg++) { - mii_val = mdio_read(skfd, phy_id, mii_reg); - printf("%s %4.4x", (mii_reg % 8) == 0 ? "\n " : "", - mii_val); - } - printf("\nThis version of 'mii-diag' has not been linked with " - "the libmii.c library.\n" - " That library provides extended transceiver status reports.\n"); - return 0; -} - -void monitor_mii(long ioaddr, int phy_id) -{ - fprintf(stderr, "\nThis version of 'mii-diag' has not been linked with " - "the libmii.c library \n" - " required for the media monitor option.\n"); -} - - - -/* - * Local variables: - * version-control: t - * kept-new-versions: 5 - * c-indent-level: 4 - * c-basic-offset: 4 - * tab-width: 4 - * compile-command: "gcc -Wall -Wstrict-prototypes -O mii-diag.c -DLIBMII libmii.c -o mii-diag" - * simple-compile-command: "gcc mii-diag.c -o mii-diag" - * End: - */ |