libmii.c

Linux下通过mii接口控制网卡的工具

	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:
 */