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Diffstat (limited to 'recipes-extended/mii-diag/mii-diag-2.11/libmii.c')
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1 files changed, 630 insertions, 0 deletions
diff --git a/recipes-extended/mii-diag/mii-diag-2.11/libmii.c b/recipes-extended/mii-diag/mii-diag-2.11/libmii.c new file mode 100644 index 0000000..96f0060 --- /dev/null +++ b/recipes-extended/mii-diag/mii-diag-2.11/libmii.c @@ -0,0 +1,630 @@ +/* libmii.c: MII diagnostic and setup library. + + Copyright 1997-2003 by Donald Becker. + This version released under the Gnu General Public License, + incorporated herein by reference. + This source code may be distributed without modification using the + existing notice. Any modification to this source code must include a + full notice as described in the GPL + Contact the author for use under other terms. + + 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://www.scyld.com/expert/NWay.html + http://www.national.com/pf/DP/DP83840A.html +*/ + +static const char version_msg[] = +"libmii.c:v2.11 2/28/2005 Donald Becker (becker@scyld.com)\n" +" http://www.scyld.com/diag/index.html\n"; + +/* This library exports the following functions: + IOADDR: A token passed to the mdio_read() function. + PHY_ID: The MII transceiver address, passed uninterpreted to mdio_read(). +*/ +void show_mii_details(long ioaddr, int phy_id); +int monitor_mii(long ioaddr, int phy_id); + +/* This library expects to be able to call the following functions: */ +extern int mdio_read(long ioaddr, int phy_id, int mii_reg_num); + +#include <unistd.h> +#include <stdio.h> +#include <time.h> +#include <sys/time.h> + +#include <sys/types.h> +typedef u_int32_t u32; +typedef u_int16_t u16; +typedef u_int8_t u8; + +static const char *media_names[] = { + "10baseT", "10baseT-FD", "100baseTx", "100baseTx-FD", "100baseT4", + "Flow-control", 0, +}; + +static void ns83843(long ioaddr, int phy_id); +static void qs6612(long ioaddr, int phy_id); +static void smsc83c180(long ioaddr, int phy_id); +static void tdk78q2120(long ioaddr, int phy_id); +static void davicom_dm9101(long ioaddr, int phy_id); +static void intel_i553(long ioaddr, int phy_id); +static void enablesemi(long ioaddr, int phy_id); +static void amd_pna(long ioaddr, int phy_id); +static void amd_tx(long ioaddr, int phy_id); +static void admtek(long ioaddr, int phy_id); +static void lu3x31(long ioaddr, int phy_id); +static void myson981(long ioaddr, int phy_id); +static void via_tahoe(long ioaddr, int phy_id); +static void via_vt6103(long ioaddr, int phy_id); +static void via_vt6105(long ioaddr, int phy_id); +static void intel(long ioaddr, int phy_id); + +struct mii_partnum { + const char *vendor; /* Vendor name. */ + u16 phy_id0; /* Vendor ID (alternate ver. of ieee_oui[]) */ + u16 phy_id1; /* Vendor ID (alternate ver. of ieee_oui[]) */ + unsigned char ieee_oui[3]; /* IEEE-assigned organizationally unique ID */ + char flags; + void (*(func))(long xcvr_if, int phy_id);/* Function to emit more info. */ +} static oui_map[] = { + {"Unknown transceiver type", 0x0000, 0x0000, {0,}, 0, NULL,}, + {"National Semiconductor 83840A", 0x2000, 0x5c01, {0,}, 0, NULL,}, + {"National Semiconductor 83843", 0x2000, 0x5c10, {0,}, 0, ns83843, }, + {"Level One LXT970", 0x7810, 0x0000, {0,}, 0, NULL, }, + {"Level One LXT971", 0x7810, 0x0001, {0,}, 0, NULL, }, + {"Level One LXT971A",0x7810, 0x0003, {0,}, 0, NULL, }, + {"Level One (unknown type)", 0, 0, {0x1e,0x04,0x00}, 0, NULL, }, + {"Davicom DM9101", 0x0181, 0xB800, {0,}, 0, davicom_dm9101, }, + {"Davicom (unknown type)", 0, 0, {0x00, 0x60, 0x6e}, 0, davicom_dm9101, }, + {"Quality Semiconductor QS6612", 0x0181, 0x4410, {0,}, 0, qs6612}, + {"Quality Semiconductor (unknown type)", 0,0, {0x00, 0x60, 0x51}, 0, NULL}, + {"SMSC 83c180", 0x0282, 0x1C51, {0}, 0, smsc83c180, }, + {"TDK Semi 78Q2120 rev. 2", 0x0300, 0xE542, {0,}, 0, tdk78q2120, }, + {"TDK Semi 78Q2120 rev. 3", 0x0300, 0xE543, {0,}, 0, tdk78q2120, }, + {"TDK Semi 78Q2120 rev. 11", 0x0300, 0xE54B, {0,}, 0, tdk78q2120, }, + {"TDK transceiver (unknown type)", 0,0, {0x00, 0xc0, 0x39}, 0, tdk78q2120}, + {"Intel (unknown type)", 0,0, {0x00, 0xf8, 0x00}, 0, intel_i553}, + {"Enable Semiconductor EL40-331", 0x0043, 0x7411, {0,}, 0, enablesemi}, + {"AMD 79c901A.1 HomePNA", 0x0000, 0x6B91, {0,}, 0, amd_pna}, + {"AMD 79c901A.2 HomePNA", 0x0000, 0x6B92, {0,}, 0, amd_pna}, + {"AMD 79c901A.3 HomePNA", 0x0000, 0x6B93, {0,}, 0, amd_pna}, + {"AMD 79c901A.3 10baseT", 0x0000, 0x6B71, {0,}, 0, amd_tx}, + {"AdHoc Technology AH101LF", 0x0022, 0x561B, {0,}, 0, tdk78q2120}, + {"Altimata Communications AC101LF", 0x0022, 0x5523, {0,}, 0, tdk78q2120}, + {"Altimata Comm (unknown type)", 0, 0, {0x00,0x10,0xA9}, 0, tdk78q2120}, + {"ASIX (unknown type)", 0, 0, {0x00,0xC0,0xB4}, 0, tdk78q2120}, + {"ADMtek AN983 Comet", 0x0022, 0x5410, {0,}, 0, admtek}, + {"ADMtek AN985 Comet", 0x0022, 0x5513, {0,}, 0, admtek}, + {"ADMtek (unknown type)", 0, 0, {0x00,0xe0,0x92}, 0, admtek}, + {"Lucent LU6612", 0x0180, 0x7641, {0,}, 0, qs6612}, + {"Lucent LU3X31", 0x0043, 0x7411, {0,}, 0, lu3x31}, + {"LSI Logic (Seeq) 80225", 0, 0, {0x00,0xA0,0x7D}, 0, NULL}, + {"Myson MTD981", 0x0302, 0xD000, {0,}, 0, myson981}, + {"Myson (unknown type)", 0, 0, {0x00,0xC0,0xB4,}, 0, myson981}, + {"Alta/Kendin Sundance", 0x0022, 0x1720, {0,}, 0, NULL}, + {"Alta/Kendin Sundance", 0, 0, {0x00,0x08,0x85}, 0, NULL}, + {"VIA Tahoe VT6103", 0x0101, 0x8f20, {0,}, 0, via_vt6103}, + {"VIA Tahoe VT6104", 0x0101, 0x8f30, {0,}, 0, via_tahoe}, + {"VIA Rhine VT6105", 0x0101, 0x8f22, {0,}, 0, via_vt6105}, + {"Intel 82557 series", 0x02a8, 0x0150, {0,}, 0, intel}, + {"Intel 82555 rev 1", 0x02a8, 0x0151, {0,}, 0, intel}, + {"Intel 82559 transceiver", 0x02a8, 0x0154, {0,}, 0, intel}, + {"Intel 82555 series transceiver", 0,0, {0x00,0xaa,0x00}, 0, intel}, + {0, }, +}; + +static u16 mii_val[32]; + +void show_mii_details(long ioaddr, int phy_id) +{ + int mii_reg, i, vendor = 0; + u16 bmcr, bmsr, new_bmsr; + + /* This may not be omitted from the output. */ + printf("%s", version_msg); + printf(" MII PHY #%d transceiver registers:", phy_id); + for (mii_reg = 0; mii_reg < 32; mii_reg++) { + mii_val[mii_reg] = mdio_read(ioaddr, phy_id, mii_reg); + printf("%s %4.4x", (mii_reg % 8) == 0 ? "\n " : "", + mii_val[mii_reg]); + } + printf(".\n"); + if (mii_val[0] == 0xffff) { + printf(" No MII transceiver present!.\n"); + return; + } + bmcr = mii_val[0]; + bmsr = mii_val[1]; + printf(" Basic mode control register 0x%4.4x:", bmcr); + if (bmcr & 0x1000) + printf(" Auto-negotiation enabled.\n"); + else + printf(" Auto-negotiation disabled!\n" + " Speed fixed at 10%s mbps, %s-duplex.\n", + bmcr & 0x2000 ? "0" : "", + bmcr & 0x0100 ? "full":"half"); + if (bmcr & 0x8000) + printf(" Transceiver currently being reset!\n"); + if (bmcr & 0x4000) + printf(" Transceiver in loopback mode!\n"); + if (bmcr & 0x0800) + printf(" Transceiver powered down!\n"); + if (bmcr & 0x0400) + printf(" Transceiver isolated from the MII!\n"); + if (bmcr & 0x0200) + printf(" Restarted auto-negotiation in progress!\n"); + if (bmcr & 0x0080) + printf(" Internal Collision-Test enabled!\n"); + + new_bmsr = mdio_read(ioaddr, phy_id, 1); + printf(" Basic mode status register 0x%4.4x ... %4.4x.\n" + " Link status: %sestablished.\n" + " Capable of ", + bmsr, new_bmsr, + bmsr & 0x0004 ? "" : + (new_bmsr & 0x0004) ? "previously broken, but now re" : "not "); + 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" + " %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 (mii_val[2] ^ mii_val[3]) { /* Eliminate 0x0000 and 0xffff IDs. */ + unsigned char oui_0 = mii_val[2] >> 10; + unsigned char oui_1 = mii_val[2] >> 2; + unsigned char oui_2 = (mii_val[2] << 6) | (mii_val[3] >> 10); + + printf(" Vendor ID is %2.2x:%2.2x:%2.2x:--:--:--, model %d rev. %d.\n", + oui_0, oui_1, oui_2, + ((mii_val[3] >> 4) & 0x3f), mii_val[3] & 0x0f); + for ( i = 0; oui_map[i].vendor; i++) + /* We match either the Phy ID or the IEEE OUI. */ + if ((oui_map[i].phy_id0 == mii_val[2] && + oui_map[i].phy_id1 == mii_val[3]) || + (oui_map[i].ieee_oui[0] == oui_0 && + oui_map[i].ieee_oui[1] == oui_1 && + oui_map[i].ieee_oui[2] == oui_2)) { + printf(" Vendor/Part: %s.\n", oui_map[i].vendor); + vendor = i; + break; + } + if (oui_map[i].vendor == NULL) + printf(" No specific information is known about this transceiver" + " type.\n"); + } else + printf(" This transceiver has no vendor identification.\n"); + + { + int nway_advert = mii_val[4]; + int lkpar = mii_val[5]; + printf(" I'm advertising %4.4x:", nway_advert); + for (i = 10; i >= 5; i--) + if (nway_advert & (1<<i)) + printf(" %s", media_names[i-5]); + printf("\n Advertising %sadditional info pages.\n", + nway_advert & 0x8000 ? "" : "no "); + if ((nway_advert & 31) == 1) + printf(" IEEE 802.3 CSMA/CD protocol.\n"); + else + printf(" Using an unknown (non 802.3) encapsulation.\n"); + printf(" Link partner capability is %4.4x:", + lkpar); + for (i = 10; i >= 5; i--) + if (lkpar & (1<<i)) + printf(" %s", media_names[i-5]); + printf(".\n Negotiation %s.\n", + lkpar & 0x4000 ? " completed" : "did not complete"); + } + if (oui_map[vendor].func) + oui_map[vendor].func(ioaddr, phy_id); + +} + +int monitor_mii(long ioaddr, int phy_id) +{ + int i, last_event = 0; + unsigned short new_1, baseline_1 = mdio_read(ioaddr, phy_id, 1); + struct timeval tv, sleepval; + time_t cur_time; + char timebuf[12]; + + if (baseline_1 == 0xffff) { + fprintf(stderr, "No MII transceiver present to monitor.\n"); + return -1; + } + + gettimeofday(&tv, NULL); + cur_time = tv.tv_sec; + strftime(timebuf, sizeof(timebuf), "%H:%M:%S", localtime(&cur_time)); + + printf("Monitoring the MII transceiver status.\n" + "%s.%03d Baseline value of MII BMSR (basic mode status register)" + " is %4.4x.\n", timebuf, (int)tv.tv_usec/1000, baseline_1); + while (1) { + new_1 = mdio_read(ioaddr, phy_id, 1); + if (new_1 == 0xffff) { + fprintf(stderr, "The MII transceiver is no longer accessable!\n"); + return -1; + } + if (new_1 != baseline_1) { + gettimeofday(&tv, NULL); + cur_time = tv.tv_sec; + strftime(timebuf, sizeof(timebuf), "%H:%M:%S", + localtime(&cur_time)); + printf("%s.%03d MII BMSR now %4.4x: %4s link, NWay %s, " + "%3sJabber%s (%4.4x).\n", + timebuf, (int)tv.tv_usec/1000, new_1, + new_1 & 0x04 ? "Good" : "no", + new_1 & 0x20 ? "done" : "busy", + new_1 & 0x02 ? "" : "No ", + new_1 & 0x10 ? ", remote fault" : "", + mdio_read(ioaddr, phy_id, 5) + ); + if (!(baseline_1 & 0x20) && (new_1 & 0x20)) { + int lkpar = mdio_read(ioaddr, phy_id, 5); + printf(" New link partner capability is %4.4x %4.4x:", + lkpar, mdio_read(ioaddr, phy_id, 6)); + switch (lkpar) { + case 0x45e1: printf(" 10/100 switch w/ flow control"); break; + case 0x41e1: printf(" 10/100 HD+FD switch"); break; + case 0x40a1: printf(" 10/100 bridged repeater"); break; + case 0x4081: printf(" 100baseTx repeater w/autonegotation"); + break; + case 0x0081: printf(" 100baseTx (no autonegotation)"); break; + case 0x4021: printf(" 10baseT repeater w/autonegotation"); + break; + case 0x0021: printf(" 10baseT (no autonegotation)"); break; + default: + for (i = 9; i >= 5; i--) + if (lkpar & (1<<i)) + printf(" %s", media_names[i-5]); + } + printf(".\n"); + } + fflush(stdout); + baseline_1 = new_1; + last_event = 0; + } + sleepval.tv_sec = 0; + sleepval.tv_usec = last_event++ > 30 ? 200000 : 1000; + select(0, 0, 0, 0, &sleepval); /* Or just sleep(1); */ + } + printf(" Value of MII BMSR (basic mode status register) is %4.4x.\n", + mdio_read(ioaddr, phy_id, 1)); + return 0; +} + +/* Emit transceiver-specific info. */ + +struct msg_tbl { int bitmask; char *msg; }; + +static void msg_if_set(const int val, const struct msg_tbl msg_tbl[]) +{ + int i; + for (i = 0; msg_tbl[i].bitmask; i++) + if (msg_tbl[i].bitmask & val) + printf(" %s\n", msg_tbl[i].msg); +} + +static void msg_if_set_fmt(const int val, const struct msg_tbl msg_tbl[], + const char *fmt) +{ + int i; + for (i = 0; msg_tbl[i].bitmask; i++) + if (msg_tbl[i].bitmask & val) + printf(fmt, msg_tbl[i].msg); +} + +static void qs6612(long ioaddr, int phy_id) +{ + printf(" QS6612 extra registers: Mode %4.4x.\n" + " Interrupt source %4.4x, mask %4.4x.\n" + " PHY control %4.4x.\n", + mii_val[17], mii_val[29], mii_val[30], mii_val[31]); + return; +} + +static void ns83843(long ioaddr, int phy_id) +{ + printf(" NatSemi 83843 extra registers:\n" + " PHY status %4.4x\n" + " %s link, %d Mb/sec %s duplex\n" + " MII interrupts %sabled, %s pending.\n" + " Events since last read\n" + " Link disconnects %d\n" + " False carriers %d\n" + " Receive errors %d\n" + " Link beat is currently %sstable\n", + mii_val[0x10], + mii_val[10] & 0x0001 ? "Valid" : "Invalid", + mii_val[10] & 0x0002 ? 10 : 100, + mii_val[10] & 0x0004 ? "full" : "half", + mii_val[0x11] & 0x0002 ? "en":"dis", + mii_val[0x10] & 0x0100 ? "interrupt": "none", + mii_val[0x13], mii_val[0x14], mii_val[0x15], + mii_val[0x16] & 0x0010 ? "UN" : ""); + return; +} +static void smsc83c180(long ioaddr, int phy_id) +{ + int mii_reg25 = mii_val[25]; + printf(" SMSC 83c180 extra registers:\n" + " Auto-negotiation status 0x%4.4x.\n" + " 10baseT polarity is %s.\n" + " PHY address is %d.\n" + " Auto-negotiation %scomplete, 1%s0Mbps %s duplex.\n" + " Rx symbol errors since last read %d.\n", + mii_reg25, + mii_reg25 & 0x2000 ? "normal" : "reversed", + (mii_reg25>>8) & 0x1F, + mii_reg25 & 0x0080 ? "did not " : "", + mii_reg25 & 0x0020 ? "0" : "", + mii_reg25 & 0x0040 ? "full" : "half", + mdio_read(ioaddr, phy_id, 26)); + return; +} + +static const char *tdk_events[8] = { + "Jabber", "Rx error", "Negotiation page received", "Link detection fault", + "Link partner acknowledge", "Link status change", "Remote partner fault", + "Auto-Negotiation complete"}; + +static const struct msg_tbl tdk_reg16[] = { + {0x8000, " Transceiver is in repeater mode!"}, + {0x4000, " Interrupt pin set to active high."}, + {0x2000, " Reserved bit 12 is unexpectedly set."}, + {0x1000, " Transmit pins are internally disconnected."}, + {0x0800, " 10baseT signal quality test is disabled."}, + {0x0400, " 10baseT loopback mode."}, + {0, 0}, +}; + +static void tdk78q2120(long ioaddr, int phy_id) +{ + int mii_reg16 = mii_val[16]; + int mii_reg17 = mii_val[17]; + int mii_reg18 = mii_val[18]; + int i; + printf(" TDK format vendor-specific registers 16..18 are " + "0x%4.4x 0x%4.4x 0x%4.4x\n", mii_reg16, mii_reg17, mii_reg18); + printf(" Link polarity is %s %s.\n" + "%s%s" + " Auto-negotiation %s, 1%s0Mbps %s duplex.\n" + " Rx link in %s state, PLL %s.\n", + mii_reg16 & 0x0020 ? "OVERRIDDEN to" : "detected as", + mii_reg16 & 0x0010 ? "reversed" : "normal", + mii_reg16 & 0x0002 ? + " 100baseTx Coding and scrambling is disabled!\n":"", + mii_reg16 & 0x0001 ? " Rx_CLK power-save mode is enabled!\n":"", + mii_reg18 & 0x1000 ? "had no common media" : "complete", + mii_reg18 & 0x0400 ? "0" : "", + mii_reg18 & 0x0800 ? "full" : "half", + mii_reg18 & 0x0200 ? "pass" : "fail", + mii_reg18 & 0x0100 ? "slipped since last read" : "locked"); + + msg_if_set(mii_reg16, tdk_reg16); + if (mii_reg17 & 0x00ff) { + printf(" Events since last read:"); + for (i = 0; i < 8; i++) + if (mii_reg17 & (1 << i)) + printf(" %s", tdk_events[i]); + } else + printf(" No new link status events."); + + if (mii_reg17 & 0xff00) { + printf("\n Events that will raise an interrupt:"); + for (i = 0; i < 8; i++) + if (mii_reg17 & (0x100 << i)) + printf(" %s", tdk_events[i]); + } + printf("\n"); + return; +} + +static void davicom_dm9101(long ioaddr, int phy_id) +{ + printf(" Davicom vendor specific registers: 0x%4.4x 0x%4.4x 0x%4.4x.\n", + mii_val[16], mii_val[17], mii_val[18]); +} +static void intel_i553(long ioaddr, int phy_id) +{ + printf(" This transceiver is 100baseT4 only! Register 16 is %4.4x.\n", + mii_val[16]); +} +/* http://www.enablesemi.com/cgi-bin/byteserve/Products/Docs/3VCardBus.pdf */ +static void enablesemi(long ioaddr, int phy_id) +{ + printf(" Isolated %d times, %d false carrier events, %d Rx errors.\n", + mii_val[18], mii_val[19], mii_val[21]); + printf(" Cable polarity is %s, 100Mb PLL is %slocked.\n", + mii_val[28]&0x8000 ? "reversed" : "normal", + mii_val[27]&0x2000 ? "" : "un"); +} +/* The amd79c901 contains both PNA and 10/100 management registers. + http://www.amd.com/products/npd/techdocs/22304.pdf +*/ +static void amd_pna(long ioaddr, int phy_id) +{ + printf(" HomePNA transceiver in %s speed, %s power mode.\n", + mii_val[16] & 4 ? "high" : "low", + mii_val[16] & 2 ? "high" : "low"); + printf(" HomePNA noise level %d, peak power %d..\n", + mii_val[25] >> 8, mii_val[25] & 0xff); +} +static void amd_tx(long ioaddr, int phy_id) +{ + int mii_reg25 = mii_val[25]; + printf(" AMD vendor specific registers: 0x%4.4x 0x%4.4x 0x%4.4x.\n", + mii_val[16], mii_val[17], mii_val[18]); + printf(" The link is %s in 10%s %s duplex mode, autonegotiation state " + "has%s changed.\n", + mii_reg25 & 8 ? "up" : "down", + mii_reg25 & 1 ? "0baseTx" : "baseT", + mii_reg25 & 4 ? "full" : "half", + mii_reg25 & 2 ? "" : " not"); +} + +static const struct msg_tbl admtek_reg21[] = { + {0x4000, " Link test diabled: Ignoring lack of 10baseT link beat."}, + {0x2000, " Link forced up."}, + {0x1000, " Tx jabber check disabled."}, + {0x0080, " Transmitting 'Far End Fault'!"}, + {0x0040, " Rx error count full."}, + {0x0008, " Remote loop back enabled."}, + {0, 0}, +}; + +static void admtek(long ioaddr, int phy_id) +{ + + printf(" ADMtek vendor specific registers information:\n" + " Cable length is approximately %d meters.\n" + " The receiver has lost lock %d times since last check and " + "had %d error events.\n", + ((mii_val[20] & 0x00f0) >> 4)*10, + mii_val[23], mii_val[23]); + msg_if_set(mii_val[21], admtek_reg21); + tdk78q2120(ioaddr, phy_id); +} + +static void lu3x31(long ioaddr, int phy_id) +{ + printf(" Lucent vendor specific registers 17: 0x%4.4x" + " 29: 0x%4.4x 30: 0x%4.4x 31: 0x%4.4x.\n", + mii_val[17], mii_val[29], mii_val[30], mii_val[31]); +} + +static const struct msg_tbl myson_reg16[] = { + {0x0080, " Far end fault enabled."}, + {0x0040, " Transformer ratio 1.25:1."}, + {0x0020, " Polarity correction diabled."}, + {0x0010, " Link is forced up regardless of link beat."}, + {0x0004, " Bypass Jabber check."}, + {0x0001, " 100baseFx mode selected."}, + {0, 0}, +}; + +static void myson981(long ioaddr, int phy_id) +{ + int i, mii_reg17 = mii_val[17]; + + printf(" Myson mtd981 extra registers: %4.4x %4.4x %4.4x %4.4x.\n", + mii_val[16], mii_val[17], mii_val[18], mii_val[19]); + msg_if_set(mii_val[16] & 0xC800, tdk_reg16); + msg_if_set(mii_val[16], myson_reg16); + + if (mii_reg17 & 0x00ff) { + printf(" Events since last read:"); + for (i = 0; i < 8; i++) + if (mii_reg17 & (1 << i)) + printf(" %s", tdk_events[i]); + } else + printf(" No new link status events."); + if (mii_reg17 & 0xff00) { + printf("\n Events that will raise an interrupt:"); + for (i = 0; i < 8; i++) + if (mii_reg17 & (0x100 << i)) + printf(" %s", tdk_events[i]); + } + printf("\n"); + + return; +} + +/* These are much like the TDK events in reversed order. */ +static const struct msg_tbl via_reg17[] = { + {0x0001, "Auto-Negotiation complete"}, + {0x0002, "Remote fault detected"}, + {0x0004, "Link failure detected"}, + {0x0008, "Bad Start Stream detected"}, + {0x0010, "Parallel detection fault"}, + {0x0020, "Extended negotiation page received"}, + {0x0040, "5B/4B code error detected"}, + {0x0080, "Jabber detected"}, + {0, 0}, +}; + +static void via_tahoe(long ioaddr, int phy_id) +{ + int mii_reg16 = mii_val[16]; + int mii_reg17 = mii_val[17]; + int mii_reg18 = mii_val[18]; + + printf(" VIA Tahoe extended registers: 16 %4.4x #17 %4.4x #18 %4.4x.\n", + mii_reg16, mii_reg17, mii_reg18); + msg_if_set_fmt(mii_reg17, via_reg17, " %s\n"); + printf(" Link %s 10%s Mbps %s duplex\n", + mii_reg18 & 0x2000 ? "up" : "down", + mii_reg18 & 0x0400 ? "0" : "", + mii_reg18 & 0x0800 ? "full" : "half"); +} + +/* Information from + http://www.via.com.tw/en/datasheet/DS6103110.pdf +*/ + +static void via_vt6103(long ioaddr, int phy_id) +{ + printf(" VIA vt6103 error counts since the last check:\n" + " The link has failed %d times.\n" + " The receiver has lost lock %d times.\n" + " There have been %d false carrier/SQE error.\n", + mii_val[21], mii_val[22], mii_val[23]); +} + +/* Information from + http://www.via.com.tw/en/Networking/DS6105LOM100.pdf +*/ + +static void via_vt6105(long ioaddr, int phy_id) +{ + printf(" VIA vt6105 PHY status:\n" + " Duplex %s speed %s\n", + mii_val[20] & 0x0001 ? "full" : "half", + mii_val[20] & 0x0002 ? "100" : "10"); +} + +/* Information from + http://www.via.com.tw/en/Networking/DS6105LOM100.pdf +*/ +static void intel(long ioaddr, int phy_id) +{ + printf(" Intel 8255* PHY #%d extended management registers:\n" + " Error counts, cleared when read:\n" + " False carriers %d\n" + " Link disconnects %d\n" + " Receive errors %d\n" + " Rx symbol errors %d.\n" + " Rx 10Mbps Early End-Of-Frame errors %d.\n" + " Rx 100Mbps Early End-Of-Frame errors %d.\n" + " Tx jabber errors %d.\n", + mii_val[18], + mii_val[19], mii_val[20], mii_val[21], mii_val[22], mii_val[23], + mii_val[24], mii_val[25]); +} + + +/* + * Local variables: + * compile-command: "cc -O -Wall -c libmii.c" + * c-indent-level: 4 + * c-basic-offset: 4 + * tab-width: 4 + * End: + */ |