devices/e1000/e1000_param-2.6.13-ethercat.c
branchstable-1.3
changeset 1744 7bc131b92039
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devices/e1000/e1000_param-2.6.13-ethercat.c	Fri Aug 10 15:27:08 2007 +0000
@@ -0,0 +1,743 @@
+/*******************************************************************************
+
+  
+  Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
+  
+  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; either version 2 of the License, or (at your option) 
+  any later version.
+  
+  This program 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
+  this program; if not, write to the Free Software Foundation, Inc., 59 
+  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+  
+  The full GNU General Public License is included in this distribution in the
+  file called LICENSE.
+  
+  Contact Information:
+  Linux NICS <linux.nics@intel.com>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#include "e1000-2.6.13-ethercat.h"
+
+/* This is the only thing that needs to be changed to adjust the
+ * maximum number of ports that the driver can manage.
+ */
+
+#define E1000_MAX_NIC 32
+
+#define OPTION_UNSET   -1
+#define OPTION_DISABLED 0
+#define OPTION_ENABLED  1
+
+/* All parameters are treated the same, as an integer array of values.
+ * This macro just reduces the need to repeat the same declaration code
+ * over and over (plus this helps to avoid typo bugs).
+ */
+
+#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
+#define E1000_PARAM(X, desc) \
+	static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
+	static int num_##X = 0; \
+	module_param_array_named(X, X, int, &num_##X, 0); \
+	MODULE_PARM_DESC(X, desc);
+
+/* Transmit Descriptor Count
+ *
+ * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
+ * Valid Range: 80-4096 for 82544 and newer
+ *
+ * Default Value: 256
+ */
+
+E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
+
+/* Receive Descriptor Count
+ *
+ * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
+ * Valid Range: 80-4096 for 82544 and newer
+ *
+ * Default Value: 256
+ */
+
+E1000_PARAM(RxDescriptors, "Number of receive descriptors");
+
+/* User Specified Speed Override
+ *
+ * Valid Range: 0, 10, 100, 1000
+ *  - 0    - auto-negotiate at all supported speeds
+ *  - 10   - only link at 10 Mbps
+ *  - 100  - only link at 100 Mbps
+ *  - 1000 - only link at 1000 Mbps
+ *
+ * Default Value: 0
+ */
+
+E1000_PARAM(Speed, "Speed setting");
+
+/* User Specified Duplex Override
+ *
+ * Valid Range: 0-2
+ *  - 0 - auto-negotiate for duplex
+ *  - 1 - only link at half duplex
+ *  - 2 - only link at full duplex
+ *
+ * Default Value: 0
+ */
+
+E1000_PARAM(Duplex, "Duplex setting");
+
+/* Auto-negotiation Advertisement Override
+ *
+ * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
+ *
+ * The AutoNeg value is a bit mask describing which speed and duplex
+ * combinations should be advertised during auto-negotiation.
+ * The supported speed and duplex modes are listed below
+ *
+ * Bit           7     6     5      4      3     2     1      0
+ * Speed (Mbps)  N/A   N/A   1000   N/A    100   100   10     10
+ * Duplex                    Full          Full  Half  Full   Half
+ *
+ * Default Value: 0x2F (copper); 0x20 (fiber)
+ */
+
+E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
+
+/* User Specified Flow Control Override
+ *
+ * Valid Range: 0-3
+ *  - 0 - No Flow Control
+ *  - 1 - Rx only, respond to PAUSE frames but do not generate them
+ *  - 2 - Tx only, generate PAUSE frames but ignore them on receive
+ *  - 3 - Full Flow Control Support
+ *
+ * Default Value: Read flow control settings from the EEPROM
+ */
+
+E1000_PARAM(FlowControl, "Flow Control setting");
+
+/* XsumRX - Receive Checksum Offload Enable/Disable
+ *
+ * Valid Range: 0, 1
+ *  - 0 - disables all checksum offload
+ *  - 1 - enables receive IP/TCP/UDP checksum offload
+ *        on 82543 and newer -based NICs
+ *
+ * Default Value: 1
+ */
+
+E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
+
+/* Transmit Interrupt Delay in units of 1.024 microseconds
+ *
+ * Valid Range: 0-65535
+ *
+ * Default Value: 64
+ */
+
+E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
+
+/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
+ *
+ * Valid Range: 0-65535
+ *
+ * Default Value: 0
+ */
+
+E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
+
+/* Receive Interrupt Delay in units of 1.024 microseconds
+ *
+ * Valid Range: 0-65535
+ *
+ * Default Value: 0
+ */
+
+E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
+
+/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
+ *
+ * Valid Range: 0-65535
+ *
+ * Default Value: 128
+ */
+
+E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
+
+/* Interrupt Throttle Rate (interrupts/sec)
+ *
+ * Valid Range: 100-100000 (0=off, 1=dynamic)
+ *
+ * Default Value: 1
+ */
+
+E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
+
+#define AUTONEG_ADV_DEFAULT  0x2F
+#define AUTONEG_ADV_MASK     0x2F
+#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
+
+#define DEFAULT_RDTR                   0
+#define MAX_RXDELAY               0xFFFF
+#define MIN_RXDELAY                    0
+
+#define DEFAULT_RADV                 128
+#define MAX_RXABSDELAY            0xFFFF
+#define MIN_RXABSDELAY                 0
+
+#define DEFAULT_TIDV                  64
+#define MAX_TXDELAY               0xFFFF
+#define MIN_TXDELAY                    0
+
+#define DEFAULT_TADV                  64
+#define MAX_TXABSDELAY            0xFFFF
+#define MIN_TXABSDELAY                 0
+
+#define DEFAULT_ITR                 8000
+#define MAX_ITR                   100000
+#define MIN_ITR                      100
+
+struct e1000_option {
+	enum { enable_option, range_option, list_option } type;
+	char *name;
+	char *err;
+	int  def;
+	union {
+		struct { /* range_option info */
+			int min;
+			int max;
+		} r;
+		struct { /* list_option info */
+			int nr;
+			struct e1000_opt_list { int i; char *str; } *p;
+		} l;
+	} arg;
+};
+
+static int __devinit
+e1000_validate_option(int *value, struct e1000_option *opt,
+		struct e1000_adapter *adapter)
+{
+	if(*value == OPTION_UNSET) {
+		*value = opt->def;
+		return 0;
+	}
+
+	switch (opt->type) {
+	case enable_option:
+		switch (*value) {
+		case OPTION_ENABLED:
+			DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
+			return 0;
+		case OPTION_DISABLED:
+			DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
+			return 0;
+		}
+		break;
+	case range_option:
+		if(*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
+			DPRINTK(PROBE, INFO,
+					"%s set to %i\n", opt->name, *value);
+			return 0;
+		}
+		break;
+	case list_option: {
+		int i;
+		struct e1000_opt_list *ent;
+
+		for(i = 0; i < opt->arg.l.nr; i++) {
+			ent = &opt->arg.l.p[i];
+			if(*value == ent->i) {
+				if(ent->str[0] != '\0')
+					DPRINTK(PROBE, INFO, "%s\n", ent->str);
+				return 0;
+			}
+		}
+	}
+		break;
+	default:
+		BUG();
+	}
+
+	DPRINTK(PROBE, INFO, "Invalid %s specified (%i) %s\n",
+	       opt->name, *value, opt->err);
+	*value = opt->def;
+	return -1;
+}
+
+static void e1000_check_fiber_options(struct e1000_adapter *adapter);
+static void e1000_check_copper_options(struct e1000_adapter *adapter);
+
+/**
+ * e1000_check_options - Range Checking for Command Line Parameters
+ * @adapter: board private structure
+ *
+ * This routine checks all command line parameters for valid user
+ * input.  If an invalid value is given, or if no user specified
+ * value exists, a default value is used.  The final value is stored
+ * in a variable in the adapter structure.
+ **/
+
+void __devinit
+e1000_check_options(struct e1000_adapter *adapter)
+{
+	int bd = adapter->bd_number;
+	if(bd >= E1000_MAX_NIC) {
+		DPRINTK(PROBE, NOTICE,
+		       "Warning: no configuration for board #%i\n", bd);
+		DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
+	}
+
+	{ /* Transmit Descriptor Count */
+		struct e1000_option opt = {
+			.type = range_option,
+			.name = "Transmit Descriptors",
+			.err  = "using default of "
+				__MODULE_STRING(E1000_DEFAULT_TXD),
+			.def  = E1000_DEFAULT_TXD,
+			.arg  = { .r = { .min = E1000_MIN_TXD }}
+		};
+		struct e1000_desc_ring *tx_ring = &adapter->tx_ring;
+		e1000_mac_type mac_type = adapter->hw.mac_type;
+		opt.arg.r.max = mac_type < e1000_82544 ?
+			E1000_MAX_TXD : E1000_MAX_82544_TXD;
+
+		if (num_TxDescriptors > bd) {
+			tx_ring->count = TxDescriptors[bd];
+			e1000_validate_option(&tx_ring->count, &opt, adapter);
+			E1000_ROUNDUP(tx_ring->count, 
+						REQ_TX_DESCRIPTOR_MULTIPLE);
+		} else {
+			tx_ring->count = opt.def;
+		}
+	}
+	{ /* Receive Descriptor Count */
+		struct e1000_option opt = {
+			.type = range_option,
+			.name = "Receive Descriptors",
+			.err  = "using default of "
+				__MODULE_STRING(E1000_DEFAULT_RXD),
+			.def  = E1000_DEFAULT_RXD,
+			.arg  = { .r = { .min = E1000_MIN_RXD }}
+		};
+		struct e1000_desc_ring *rx_ring = &adapter->rx_ring;
+		e1000_mac_type mac_type = adapter->hw.mac_type;
+		opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
+			E1000_MAX_82544_RXD;
+
+		if (num_RxDescriptors > bd) {
+			rx_ring->count = RxDescriptors[bd];
+			e1000_validate_option(&rx_ring->count, &opt, adapter);
+			E1000_ROUNDUP(rx_ring->count, 
+						REQ_RX_DESCRIPTOR_MULTIPLE);
+		} else {
+			rx_ring->count = opt.def;
+		}
+	}
+	{ /* Checksum Offload Enable/Disable */
+		struct e1000_option opt = {
+			.type = enable_option,
+			.name = "Checksum Offload",
+			.err  = "defaulting to Enabled",
+			.def  = OPTION_ENABLED
+		};
+
+		if (num_XsumRX > bd) {
+			int rx_csum = XsumRX[bd];
+			e1000_validate_option(&rx_csum, &opt, adapter);
+			adapter->rx_csum = rx_csum;
+		} else {
+			adapter->rx_csum = opt.def;
+		}
+	}
+	{ /* Flow Control */
+
+		struct e1000_opt_list fc_list[] =
+			{{ e1000_fc_none,    "Flow Control Disabled" },
+			 { e1000_fc_rx_pause,"Flow Control Receive Only" },
+			 { e1000_fc_tx_pause,"Flow Control Transmit Only" },
+			 { e1000_fc_full,    "Flow Control Enabled" },
+			 { e1000_fc_default, "Flow Control Hardware Default" }};
+
+		struct e1000_option opt = {
+			.type = list_option,
+			.name = "Flow Control",
+			.err  = "reading default settings from EEPROM",
+			.def  = e1000_fc_default,
+			.arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
+					 .p = fc_list }}
+		};
+
+		if (num_FlowControl > bd) {
+			int fc = FlowControl[bd];
+			e1000_validate_option(&fc, &opt, adapter);
+			adapter->hw.fc = adapter->hw.original_fc = fc;
+		} else {
+			adapter->hw.fc = opt.def;
+		}
+	}
+	{ /* Transmit Interrupt Delay */
+		struct e1000_option opt = {
+			.type = range_option,
+			.name = "Transmit Interrupt Delay",
+			.err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
+			.def  = DEFAULT_TIDV,
+			.arg  = { .r = { .min = MIN_TXDELAY,
+					 .max = MAX_TXDELAY }}
+		};
+
+		if (num_TxIntDelay > bd) {
+			adapter->tx_int_delay = TxIntDelay[bd];
+			e1000_validate_option(&adapter->tx_int_delay, &opt, 
+								adapter);
+		} else {
+			adapter->tx_int_delay = opt.def;
+		}
+	}
+	{ /* Transmit Absolute Interrupt Delay */
+		struct e1000_option opt = {
+			.type = range_option,
+			.name = "Transmit Absolute Interrupt Delay",
+			.err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
+			.def  = DEFAULT_TADV,
+			.arg  = { .r = { .min = MIN_TXABSDELAY,
+					 .max = MAX_TXABSDELAY }}
+		};
+
+		if (num_TxAbsIntDelay > bd) {
+			adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
+			e1000_validate_option(&adapter->tx_abs_int_delay, &opt, 
+								adapter);
+		} else {
+			adapter->tx_abs_int_delay = opt.def;
+		}
+	}
+	{ /* Receive Interrupt Delay */
+		struct e1000_option opt = {
+			.type = range_option,
+			.name = "Receive Interrupt Delay",
+			.err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
+			.def  = DEFAULT_RDTR,
+			.arg  = { .r = { .min = MIN_RXDELAY,
+					 .max = MAX_RXDELAY }}
+		};
+
+		if (num_RxIntDelay > bd) {
+			adapter->rx_int_delay = RxIntDelay[bd];
+			e1000_validate_option(&adapter->rx_int_delay, &opt, 
+								adapter);
+		} else {
+			adapter->rx_int_delay = opt.def;
+		}
+	}
+	{ /* Receive Absolute Interrupt Delay */
+		struct e1000_option opt = {
+			.type = range_option,
+			.name = "Receive Absolute Interrupt Delay",
+			.err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
+			.def  = DEFAULT_RADV,
+			.arg  = { .r = { .min = MIN_RXABSDELAY,
+					 .max = MAX_RXABSDELAY }}
+		};
+
+		if (num_RxAbsIntDelay > bd) {
+			adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
+			e1000_validate_option(&adapter->rx_abs_int_delay, &opt, 
+								adapter);
+		} else {
+			adapter->rx_abs_int_delay = opt.def;
+		}
+	}
+	{ /* Interrupt Throttling Rate */
+		struct e1000_option opt = {
+			.type = range_option,
+			.name = "Interrupt Throttling Rate (ints/sec)",
+			.err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
+			.def  = DEFAULT_ITR,
+			.arg  = { .r = { .min = MIN_ITR,
+					 .max = MAX_ITR }}
+		};
+
+		if (num_InterruptThrottleRate > bd) {
+			adapter->itr = InterruptThrottleRate[bd];
+			switch(adapter->itr) {
+			case 0:
+				DPRINTK(PROBE, INFO, "%s turned off\n", 
+					opt.name);
+				break;
+			case 1:
+				DPRINTK(PROBE, INFO, "%s set to dynamic mode\n", 
+					opt.name);
+				break;
+			default:
+				e1000_validate_option(&adapter->itr, &opt, 
+					adapter);
+				break;
+			}
+		} else {
+			adapter->itr = opt.def;
+		}
+	}
+
+	switch(adapter->hw.media_type) {
+	case e1000_media_type_fiber:
+	case e1000_media_type_internal_serdes:
+		e1000_check_fiber_options(adapter);
+		break;
+	case e1000_media_type_copper:
+		e1000_check_copper_options(adapter);
+		break;
+	default:
+		BUG();
+	}
+}
+
+/**
+ * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
+ * @adapter: board private structure
+ *
+ * Handles speed and duplex options on fiber adapters
+ **/
+
+static void __devinit
+e1000_check_fiber_options(struct e1000_adapter *adapter)
+{
+	int bd = adapter->bd_number;
+	if(num_Speed > bd) {
+		DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
+		       "parameter ignored\n");
+	}
+
+	if(num_Duplex > bd) {
+		DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
+		       "parameter ignored\n");
+	}
+
+	if((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
+		DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
+				 "not valid for fiber adapters, "
+				 "parameter ignored\n");
+	}
+}
+
+/**
+ * e1000_check_copper_options - Range Checking for Link Options, Copper Version
+ * @adapter: board private structure
+ *
+ * Handles speed and duplex options on copper adapters
+ **/
+
+static void __devinit
+e1000_check_copper_options(struct e1000_adapter *adapter)
+{
+	int speed, dplx;
+	int bd = adapter->bd_number;
+
+	{ /* Speed */
+		struct e1000_opt_list speed_list[] = {{          0, "" },
+						      {   SPEED_10, "" },
+						      {  SPEED_100, "" },
+						      { SPEED_1000, "" }};
+
+		struct e1000_option opt = {
+			.type = list_option,
+			.name = "Speed",
+			.err  = "parameter ignored",
+			.def  = 0,
+			.arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
+					 .p = speed_list }}
+		};
+
+		if (num_Speed > bd) {
+			speed = Speed[bd];
+			e1000_validate_option(&speed, &opt, adapter);
+		} else {
+			speed = opt.def;
+		}
+	}
+	{ /* Duplex */
+		struct e1000_opt_list dplx_list[] = {{           0, "" },
+						     { HALF_DUPLEX, "" },
+						     { FULL_DUPLEX, "" }};
+
+		struct e1000_option opt = {
+			.type = list_option,
+			.name = "Duplex",
+			.err  = "parameter ignored",
+			.def  = 0,
+			.arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
+					 .p = dplx_list }}
+		};
+
+		if (num_Duplex > bd) {
+			dplx = Duplex[bd];
+			e1000_validate_option(&dplx, &opt, adapter);
+		} else {
+			dplx = opt.def;
+		}
+	}
+
+	if((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
+		DPRINTK(PROBE, INFO,
+		       "AutoNeg specified along with Speed or Duplex, "
+		       "parameter ignored\n");
+		adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
+	} else { /* Autoneg */
+		struct e1000_opt_list an_list[] =
+			#define AA "AutoNeg advertising "
+			{{ 0x01, AA "10/HD" },
+			 { 0x02, AA "10/FD" },
+			 { 0x03, AA "10/FD, 10/HD" },
+			 { 0x04, AA "100/HD" },
+			 { 0x05, AA "100/HD, 10/HD" },
+			 { 0x06, AA "100/HD, 10/FD" },
+			 { 0x07, AA "100/HD, 10/FD, 10/HD" },
+			 { 0x08, AA "100/FD" },
+			 { 0x09, AA "100/FD, 10/HD" },
+			 { 0x0a, AA "100/FD, 10/FD" },
+			 { 0x0b, AA "100/FD, 10/FD, 10/HD" },
+			 { 0x0c, AA "100/FD, 100/HD" },
+			 { 0x0d, AA "100/FD, 100/HD, 10/HD" },
+			 { 0x0e, AA "100/FD, 100/HD, 10/FD" },
+			 { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
+			 { 0x20, AA "1000/FD" },
+			 { 0x21, AA "1000/FD, 10/HD" },
+			 { 0x22, AA "1000/FD, 10/FD" },
+			 { 0x23, AA "1000/FD, 10/FD, 10/HD" },
+			 { 0x24, AA "1000/FD, 100/HD" },
+			 { 0x25, AA "1000/FD, 100/HD, 10/HD" },
+			 { 0x26, AA "1000/FD, 100/HD, 10/FD" },
+			 { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
+			 { 0x28, AA "1000/FD, 100/FD" },
+			 { 0x29, AA "1000/FD, 100/FD, 10/HD" },
+			 { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
+			 { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
+			 { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
+			 { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
+			 { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
+			 { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
+
+		struct e1000_option opt = {
+			.type = list_option,
+			.name = "AutoNeg",
+			.err  = "parameter ignored",
+			.def  = AUTONEG_ADV_DEFAULT,
+			.arg  = { .l = { .nr = ARRAY_SIZE(an_list),
+					 .p = an_list }}
+		};
+
+		int an = AutoNeg[bd];
+		e1000_validate_option(&an, &opt, adapter);
+		adapter->hw.autoneg_advertised = an;
+	}
+
+	switch (speed + dplx) {
+	case 0:
+		adapter->hw.autoneg = adapter->fc_autoneg = 1;
+		if((num_Speed > bd) && (speed != 0 || dplx != 0))
+			DPRINTK(PROBE, INFO,
+			       "Speed and duplex autonegotiation enabled\n");
+		break;
+	case HALF_DUPLEX:
+		DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
+		DPRINTK(PROBE, INFO, "Using Autonegotiation at "
+			"Half Duplex only\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 1;
+		adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
+		                                 ADVERTISE_100_HALF;
+		break;
+	case FULL_DUPLEX:
+		DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
+		DPRINTK(PROBE, INFO, "Using Autonegotiation at "
+			"Full Duplex only\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 1;
+		adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
+		                                 ADVERTISE_100_FULL |
+		                                 ADVERTISE_1000_FULL;
+		break;
+	case SPEED_10:
+		DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
+			"without Duplex\n");
+		DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 1;
+		adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
+		                                 ADVERTISE_10_FULL;
+		break;
+	case SPEED_10 + HALF_DUPLEX:
+		DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 0;
+		adapter->hw.forced_speed_duplex = e1000_10_half;
+		adapter->hw.autoneg_advertised = 0;
+		break;
+	case SPEED_10 + FULL_DUPLEX:
+		DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 0;
+		adapter->hw.forced_speed_duplex = e1000_10_full;
+		adapter->hw.autoneg_advertised = 0;
+		break;
+	case SPEED_100:
+		DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
+			"without Duplex\n");
+		DPRINTK(PROBE, INFO, "Using Autonegotiation at "
+			"100 Mbps only\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 1;
+		adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
+		                                 ADVERTISE_100_FULL;
+		break;
+	case SPEED_100 + HALF_DUPLEX:
+		DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 0;
+		adapter->hw.forced_speed_duplex = e1000_100_half;
+		adapter->hw.autoneg_advertised = 0;
+		break;
+	case SPEED_100 + FULL_DUPLEX:
+		DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 0;
+		adapter->hw.forced_speed_duplex = e1000_100_full;
+		adapter->hw.autoneg_advertised = 0;
+		break;
+	case SPEED_1000:
+		DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
+			"Duplex\n");
+		DPRINTK(PROBE, INFO,
+			"Using Autonegotiation at 1000 Mbps "
+			"Full Duplex only\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 1;
+		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
+		break;
+	case SPEED_1000 + HALF_DUPLEX:
+		DPRINTK(PROBE, INFO,
+			"Half Duplex is not supported at 1000 Mbps\n");
+		DPRINTK(PROBE, INFO,
+			"Using Autonegotiation at 1000 Mbps "
+			"Full Duplex only\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 1;
+		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
+		break;
+	case SPEED_1000 + FULL_DUPLEX:
+		DPRINTK(PROBE, INFO,
+		       "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
+		adapter->hw.autoneg = adapter->fc_autoneg = 1;
+		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
+		break;
+	default:
+		BUG();
+	}
+
+	/* Speed, AutoNeg and MDI/MDI-X must all play nice */
+	if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
+		DPRINTK(PROBE, INFO,
+			"Speed, AutoNeg and MDI-X specifications are "
+			"incompatible. Setting MDI-X to a compatible value.\n");
+	}
+}
+