patch-2.4.20 linux-2.4.20/drivers/net/e1000/e1000_param.c
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- Lines: 655
- Date:
Thu Nov 28 15:53:13 2002
- Orig file:
linux-2.4.19/drivers/net/e1000/e1000_param.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -urN linux-2.4.19/drivers/net/e1000/e1000_param.c linux-2.4.20/drivers/net/e1000/e1000_param.c
@@ -0,0 +1,654 @@
+/*******************************************************************************
+
+
+ Copyright(c) 1999 - 2002 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.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
+
+/* Module Parameters are always initialized to -1, so that the driver
+ * can tell the difference between no user specified value or the
+ * user asking for the default value.
+ * The true default values are loaded in when e1000_check_options is called.
+ *
+ * This is a GCC extension to ANSI C.
+ * See the item "Labeled Elements in Initializers" in the section
+ * "Extensions to the C Language Family" of the GCC documentation.
+ */
+
+#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
+
+/* 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(X, S) \
+static const int __devinitdata X[E1000_MAX_NIC + 1] = E1000_PARAM_INIT; \
+MODULE_PARM(X, "1-" __MODULE_STRING(E1000_MAX_NIC) "i"); \
+MODULE_PARM_DESC(X, S);
+
+/* Transmit Descriptor Count
+ *
+ * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
+ * Valid Range: 80-4096 for 82544
+ *
+ * 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
+ *
+ * Default Value: 80
+ */
+
+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
+ *
+ * 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
+ */
+
+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 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: 0/128
+ */
+
+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");
+
+#define AUTONEG_ADV_DEFAULT 0x2F
+#define AUTONEG_ADV_MASK 0x2F
+#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
+
+#define DEFAULT_TXD 256
+#define MAX_TXD 256
+#define MIN_TXD 80
+#define MAX_82544_TXD 4096
+
+#define DEFAULT_RXD 80
+#define MAX_RXD 256
+#define MIN_RXD 80
+#define MAX_82544_RXD 4096
+
+#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
+
+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)
+{
+ if(*value == OPTION_UNSET) {
+ *value = opt->def;
+ return 0;
+ }
+
+ switch (opt->type) {
+ case enable_option:
+ switch (*value) {
+ case OPTION_ENABLED:
+ printk(KERN_INFO "%s Enabled\n", opt->name);
+ return 0;
+ case OPTION_DISABLED:
+ printk(KERN_INFO "%s Disabled\n", opt->name);
+ return 0;
+ }
+ break;
+ case range_option:
+ if(*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
+ printk(KERN_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')
+ printk(KERN_INFO "%s\n", ent->str);
+ return 0;
+ }
+ }
+ }
+ break;
+ default:
+ BUG();
+ }
+
+ printk(KERN_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 paramters 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) {
+ printk(KERN_NOTICE
+ "Warning: no configuration for board #%i\n", bd);
+ printk(KERN_NOTICE "Using defaults for all values\n");
+ bd = E1000_MAX_NIC;
+ }
+
+ { /* Transmit Descriptor Count */
+ struct e1000_option opt = {
+ .type = range_option,
+ .name = "Transmit Descriptors",
+ .err = "using default of " __MODULE_STRING(DEFAULT_TXD),
+ .def = DEFAULT_TXD,
+ .arg = { r: { min: 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 ?
+ MAX_TXD : MAX_82544_TXD;
+
+ tx_ring->count = TxDescriptors[bd];
+ e1000_validate_option(&tx_ring->count, &opt);
+ E1000_ROUNDUP(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
+ }
+ { /* Receive Descriptor Count */
+ struct e1000_option opt = {
+ .type = range_option,
+ .name = "Receive Descriptors",
+ .err = "using default of " __MODULE_STRING(DEFAULT_RXD),
+ .def = DEFAULT_RXD,
+ .arg = { r: { min: 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 ? MAX_RXD : MAX_82544_RXD;
+
+ rx_ring->count = RxDescriptors[bd];
+ e1000_validate_option(&rx_ring->count, &opt);
+ E1000_ROUNDUP(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
+ }
+ { /* Checksum Offload Enable/Disable */
+ struct e1000_option opt = {
+ .type = enable_option,
+ .name = "Checksum Offload",
+ .err = "defaulting to Enabled",
+ .def = OPTION_ENABLED
+ };
+
+ int rx_csum = XsumRX[bd];
+ e1000_validate_option(&rx_csum, &opt);
+ adapter->rx_csum = rx_csum;
+ }
+ { /* 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 }}
+ };
+
+ int fc = FlowControl[bd];
+ e1000_validate_option(&fc, &opt);
+ adapter->hw.fc = adapter->hw.original_fc = fc;
+ }
+ { /* Transmit Interrupt Delay */
+ char *tidv = "using default of " __MODULE_STRING(DEFAULT_TIDV);
+ struct e1000_option opt = {
+ .type = range_option,
+ .name = "Transmit Interrupt Delay",
+ .arg = { r: { min: MIN_TXDELAY, max: MAX_TXDELAY }}
+ };
+ opt.def = DEFAULT_TIDV;
+ opt.err = tidv;
+
+ adapter->tx_int_delay = TxIntDelay[bd];
+ e1000_validate_option(&adapter->tx_int_delay, &opt);
+ }
+ { /* Transmit Absolute Interrupt Delay */
+ char *tadv = "using default of " __MODULE_STRING(DEFAULT_TADV);
+ struct e1000_option opt = {
+ .type = range_option,
+ .name = "Transmit Absolute Interrupt Delay",
+ .arg = { r: { min: MIN_TXABSDELAY, max: MAX_TXABSDELAY }}
+ };
+ opt.def = DEFAULT_TADV;
+ opt.err = tadv;
+
+ adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
+ e1000_validate_option(&adapter->tx_abs_int_delay, &opt);
+ }
+ { /* Receive Interrupt Delay */
+ char *rdtr = "using default of " __MODULE_STRING(DEFAULT_RDTR);
+ struct e1000_option opt = {
+ .type = range_option,
+ .name = "Receive Interrupt Delay",
+ .arg = { r: { min: MIN_RXDELAY, max: MAX_RXDELAY }}
+ };
+ opt.def = DEFAULT_RDTR;
+ opt.err = rdtr;
+
+ adapter->rx_int_delay = RxIntDelay[bd];
+ e1000_validate_option(&adapter->rx_int_delay, &opt);
+ }
+ { /* Receive Absolute Interrupt Delay */
+ char *radv = "using default of " __MODULE_STRING(DEFAULT_RADV);
+ struct e1000_option opt = {
+ .type = range_option,
+ .name = "Receive Absolute Interrupt Delay",
+ .arg = { r: { min: MIN_RXABSDELAY, max: MAX_RXABSDELAY }}
+ };
+ opt.def = DEFAULT_RADV;
+ opt.err = radv;
+
+ adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
+ e1000_validate_option(&adapter->rx_abs_int_delay, &opt);
+ }
+
+ switch(adapter->hw.media_type) {
+ case e1000_media_type_fiber:
+ 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;
+ bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
+
+ if((Speed[bd] != OPTION_UNSET)) {
+ printk(KERN_INFO "Speed not valid for fiber adapters, "
+ "parameter ignored\n");
+ }
+ if((Duplex[bd] != OPTION_UNSET)) {
+ printk(KERN_INFO "Duplex not valid for fiber adapters, "
+ "parameter ignored\n");
+ }
+ if((AutoNeg[bd] != OPTION_UNSET)) {
+ printk(KERN_INFO "AutoNeg 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;
+ bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
+
+ { /* 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 }}
+ };
+
+ speed = Speed[bd];
+ e1000_validate_option(&speed, &opt);
+ }
+ { /* 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 }}
+ };
+
+ dplx = Duplex[bd];
+ e1000_validate_option(&dplx, &opt);
+ }
+
+ if(AutoNeg[bd] != OPTION_UNSET && (speed != 0 || dplx != 0)) {
+ printk(KERN_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->hw.autoneg_advertised = an;
+ }
+
+ switch (speed + dplx) {
+ case 0:
+ adapter->hw.autoneg = 1;
+ if(Speed[bd] != OPTION_UNSET || Duplex[bd] != OPTION_UNSET)
+ printk(KERN_INFO
+ "Speed and duplex autonegotiation enabled\n");
+ break;
+ case HALF_DUPLEX:
+ printk(KERN_INFO "Half Duplex specified without Speed\n");
+ printk(KERN_INFO "Using Autonegotiation at Half Duplex only\n");
+ adapter->hw.autoneg = 1;
+ adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
+ ADVERTISE_100_HALF;
+ break;
+ case FULL_DUPLEX:
+ printk(KERN_INFO "Full Duplex specified without Speed\n");
+ printk(KERN_INFO "Using Autonegotiation at Full Duplex only\n");
+ adapter->hw.autoneg = 1;
+ adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
+ ADVERTISE_100_FULL |
+ ADVERTISE_1000_FULL;
+ break;
+ case SPEED_10:
+ printk(KERN_INFO "10 Mbps Speed specified without Duplex\n");
+ printk(KERN_INFO "Using Autonegotiation at 10 Mbps only\n");
+ adapter->hw.autoneg = 1;
+ adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
+ ADVERTISE_10_FULL;
+ break;
+ case SPEED_10 + HALF_DUPLEX:
+ printk(KERN_INFO "Forcing to 10 Mbps Half Duplex\n");
+ adapter->hw.autoneg = 0;
+ adapter->hw.forced_speed_duplex = e1000_10_half;
+ adapter->hw.autoneg_advertised = 0;
+ break;
+ case SPEED_10 + FULL_DUPLEX:
+ printk(KERN_INFO "Forcing to 10 Mbps Full Duplex\n");
+ adapter->hw.autoneg = 0;
+ adapter->hw.forced_speed_duplex = e1000_10_full;
+ adapter->hw.autoneg_advertised = 0;
+ break;
+ case SPEED_100:
+ printk(KERN_INFO "100 Mbps Speed specified without Duplex\n");
+ printk(KERN_INFO "Using Autonegotiation at 100 Mbps only\n");
+ adapter->hw.autoneg = 1;
+ adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
+ ADVERTISE_100_FULL;
+ break;
+ case SPEED_100 + HALF_DUPLEX:
+ printk(KERN_INFO "Forcing to 100 Mbps Half Duplex\n");
+ adapter->hw.autoneg = 0;
+ adapter->hw.forced_speed_duplex = e1000_100_half;
+ adapter->hw.autoneg_advertised = 0;
+ break;
+ case SPEED_100 + FULL_DUPLEX:
+ printk(KERN_INFO "Forcing to 100 Mbps Full Duplex\n");
+ adapter->hw.autoneg = 0;
+ adapter->hw.forced_speed_duplex = e1000_100_full;
+ adapter->hw.autoneg_advertised = 0;
+ break;
+ case SPEED_1000:
+ printk(KERN_INFO "1000 Mbps Speed specified without Duplex\n");
+ printk(KERN_INFO
+ "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
+ adapter->hw.autoneg = 1;
+ adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
+ break;
+ case SPEED_1000 + HALF_DUPLEX:
+ printk(KERN_INFO "Half Duplex is not supported at 1000 Mbps\n");
+ printk(KERN_INFO
+ "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
+ adapter->hw.autoneg = 1;
+ adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
+ break;
+ case SPEED_1000 + FULL_DUPLEX:
+ printk(KERN_INFO
+ "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
+ adapter->hw.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) {
+ printk(KERN_INFO "Speed, AutoNeg and MDI-X specifications are "
+ "incompatible. Setting MDI-X to a compatible value.\n");
+ }
+}
+
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