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744 lines
21 KiB
744 lines
21 KiB
/*******************************************************************************
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Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59
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Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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The full GNU General Public License is included in this distribution in the
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file called LICENSE.
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Contact Information:
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Linux NICS <linux.nics@intel.com>
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Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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#include "e1000.h"
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/* This is the only thing that needs to be changed to adjust the
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* maximum number of ports that the driver can manage.
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*/
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#define E1000_MAX_NIC 32
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#define OPTION_UNSET -1
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#define OPTION_DISABLED 0
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#define OPTION_ENABLED 1
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/* All parameters are treated the same, as an integer array of values.
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* This macro just reduces the need to repeat the same declaration code
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* over and over (plus this helps to avoid typo bugs).
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*/
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#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
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#define E1000_PARAM(X, desc) \
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static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
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static int num_##X = 0; \
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module_param_array_named(X, X, int, &num_##X, 0); \
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MODULE_PARM_DESC(X, desc);
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/* Transmit Descriptor Count
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*
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* Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
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* Valid Range: 80-4096 for 82544 and newer
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*
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* Default Value: 256
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*/
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E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
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/* Receive Descriptor Count
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*
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* Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
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* Valid Range: 80-4096 for 82544 and newer
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*
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* Default Value: 256
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*/
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E1000_PARAM(RxDescriptors, "Number of receive descriptors");
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/* User Specified Speed Override
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*
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* Valid Range: 0, 10, 100, 1000
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* - 0 - auto-negotiate at all supported speeds
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* - 10 - only link at 10 Mbps
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* - 100 - only link at 100 Mbps
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* - 1000 - only link at 1000 Mbps
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*
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* Default Value: 0
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*/
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E1000_PARAM(Speed, "Speed setting");
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/* User Specified Duplex Override
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*
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* Valid Range: 0-2
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* - 0 - auto-negotiate for duplex
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* - 1 - only link at half duplex
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* - 2 - only link at full duplex
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*
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* Default Value: 0
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*/
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E1000_PARAM(Duplex, "Duplex setting");
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/* Auto-negotiation Advertisement Override
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*
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* Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
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*
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* The AutoNeg value is a bit mask describing which speed and duplex
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* combinations should be advertised during auto-negotiation.
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* The supported speed and duplex modes are listed below
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*
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* Bit 7 6 5 4 3 2 1 0
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* Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
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* Duplex Full Full Half Full Half
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*
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* Default Value: 0x2F (copper); 0x20 (fiber)
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*/
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E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
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/* User Specified Flow Control Override
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*
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* Valid Range: 0-3
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* - 0 - No Flow Control
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* - 1 - Rx only, respond to PAUSE frames but do not generate them
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* - 2 - Tx only, generate PAUSE frames but ignore them on receive
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* - 3 - Full Flow Control Support
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*
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* Default Value: Read flow control settings from the EEPROM
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*/
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E1000_PARAM(FlowControl, "Flow Control setting");
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/* XsumRX - Receive Checksum Offload Enable/Disable
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*
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* Valid Range: 0, 1
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* - 0 - disables all checksum offload
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* - 1 - enables receive IP/TCP/UDP checksum offload
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* on 82543 and newer -based NICs
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*
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* Default Value: 1
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*/
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E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
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/* Transmit Interrupt Delay in units of 1.024 microseconds
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*
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* Valid Range: 0-65535
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*
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* Default Value: 64
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*/
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E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
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/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
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*
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* Valid Range: 0-65535
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*
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* Default Value: 0
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*/
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E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
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/* Receive Interrupt Delay in units of 1.024 microseconds
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*
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* Valid Range: 0-65535
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*
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* Default Value: 0
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*/
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E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
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/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
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*
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* Valid Range: 0-65535
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*
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* Default Value: 128
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*/
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E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
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/* Interrupt Throttle Rate (interrupts/sec)
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*
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* Valid Range: 100-100000 (0=off, 1=dynamic)
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*
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* Default Value: 1
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*/
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E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
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#define AUTONEG_ADV_DEFAULT 0x2F
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#define AUTONEG_ADV_MASK 0x2F
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#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
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#define DEFAULT_RDTR 0
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#define MAX_RXDELAY 0xFFFF
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#define MIN_RXDELAY 0
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#define DEFAULT_RADV 128
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#define MAX_RXABSDELAY 0xFFFF
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#define MIN_RXABSDELAY 0
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#define DEFAULT_TIDV 64
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#define MAX_TXDELAY 0xFFFF
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#define MIN_TXDELAY 0
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#define DEFAULT_TADV 64
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#define MAX_TXABSDELAY 0xFFFF
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#define MIN_TXABSDELAY 0
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#define DEFAULT_ITR 8000
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#define MAX_ITR 100000
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#define MIN_ITR 100
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struct e1000_option {
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enum { enable_option, range_option, list_option } type;
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char *name;
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char *err;
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int def;
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union {
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struct { /* range_option info */
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int min;
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int max;
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} r;
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struct { /* list_option info */
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int nr;
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struct e1000_opt_list { int i; char *str; } *p;
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} l;
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} arg;
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};
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static int __devinit
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e1000_validate_option(int *value, struct e1000_option *opt,
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struct e1000_adapter *adapter)
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{
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if(*value == OPTION_UNSET) {
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*value = opt->def;
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return 0;
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}
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switch (opt->type) {
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case enable_option:
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switch (*value) {
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case OPTION_ENABLED:
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DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
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return 0;
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case OPTION_DISABLED:
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DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
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return 0;
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}
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break;
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case range_option:
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if(*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
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DPRINTK(PROBE, INFO,
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"%s set to %i\n", opt->name, *value);
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return 0;
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}
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break;
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case list_option: {
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int i;
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struct e1000_opt_list *ent;
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for(i = 0; i < opt->arg.l.nr; i++) {
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ent = &opt->arg.l.p[i];
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if(*value == ent->i) {
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if(ent->str[0] != '\0')
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DPRINTK(PROBE, INFO, "%s\n", ent->str);
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return 0;
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}
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}
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}
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break;
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default:
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BUG();
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}
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DPRINTK(PROBE, INFO, "Invalid %s specified (%i) %s\n",
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opt->name, *value, opt->err);
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*value = opt->def;
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return -1;
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}
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static void e1000_check_fiber_options(struct e1000_adapter *adapter);
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static void e1000_check_copper_options(struct e1000_adapter *adapter);
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/**
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* e1000_check_options - Range Checking for Command Line Parameters
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* @adapter: board private structure
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*
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* This routine checks all command line parameters for valid user
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* input. If an invalid value is given, or if no user specified
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* value exists, a default value is used. The final value is stored
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* in a variable in the adapter structure.
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**/
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void __devinit
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e1000_check_options(struct e1000_adapter *adapter)
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{
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int bd = adapter->bd_number;
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if(bd >= E1000_MAX_NIC) {
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DPRINTK(PROBE, NOTICE,
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"Warning: no configuration for board #%i\n", bd);
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DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
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}
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{ /* Transmit Descriptor Count */
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struct e1000_option opt = {
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.type = range_option,
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.name = "Transmit Descriptors",
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.err = "using default of "
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__MODULE_STRING(E1000_DEFAULT_TXD),
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.def = E1000_DEFAULT_TXD,
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.arg = { .r = { .min = E1000_MIN_TXD }}
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};
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struct e1000_desc_ring *tx_ring = &adapter->tx_ring;
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e1000_mac_type mac_type = adapter->hw.mac_type;
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opt.arg.r.max = mac_type < e1000_82544 ?
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E1000_MAX_TXD : E1000_MAX_82544_TXD;
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if (num_TxDescriptors > bd) {
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tx_ring->count = TxDescriptors[bd];
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e1000_validate_option(&tx_ring->count, &opt, adapter);
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E1000_ROUNDUP(tx_ring->count,
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REQ_TX_DESCRIPTOR_MULTIPLE);
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} else {
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tx_ring->count = opt.def;
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}
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}
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{ /* Receive Descriptor Count */
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struct e1000_option opt = {
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.type = range_option,
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.name = "Receive Descriptors",
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.err = "using default of "
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__MODULE_STRING(E1000_DEFAULT_RXD),
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.def = E1000_DEFAULT_RXD,
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.arg = { .r = { .min = E1000_MIN_RXD }}
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};
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struct e1000_desc_ring *rx_ring = &adapter->rx_ring;
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e1000_mac_type mac_type = adapter->hw.mac_type;
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opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
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E1000_MAX_82544_RXD;
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if (num_RxDescriptors > bd) {
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rx_ring->count = RxDescriptors[bd];
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e1000_validate_option(&rx_ring->count, &opt, adapter);
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E1000_ROUNDUP(rx_ring->count,
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REQ_RX_DESCRIPTOR_MULTIPLE);
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} else {
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rx_ring->count = opt.def;
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}
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}
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{ /* Checksum Offload Enable/Disable */
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struct e1000_option opt = {
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.type = enable_option,
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.name = "Checksum Offload",
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.err = "defaulting to Enabled",
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.def = OPTION_ENABLED
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};
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if (num_XsumRX > bd) {
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int rx_csum = XsumRX[bd];
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e1000_validate_option(&rx_csum, &opt, adapter);
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adapter->rx_csum = rx_csum;
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} else {
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adapter->rx_csum = opt.def;
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}
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}
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{ /* Flow Control */
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struct e1000_opt_list fc_list[] =
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{{ e1000_fc_none, "Flow Control Disabled" },
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{ e1000_fc_rx_pause,"Flow Control Receive Only" },
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{ e1000_fc_tx_pause,"Flow Control Transmit Only" },
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{ e1000_fc_full, "Flow Control Enabled" },
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{ e1000_fc_default, "Flow Control Hardware Default" }};
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struct e1000_option opt = {
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.type = list_option,
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.name = "Flow Control",
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.err = "reading default settings from EEPROM",
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.def = e1000_fc_default,
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.arg = { .l = { .nr = ARRAY_SIZE(fc_list),
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.p = fc_list }}
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};
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if (num_FlowControl > bd) {
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int fc = FlowControl[bd];
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e1000_validate_option(&fc, &opt, adapter);
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adapter->hw.fc = adapter->hw.original_fc = fc;
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} else {
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adapter->hw.fc = opt.def;
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}
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}
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{ /* Transmit Interrupt Delay */
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struct e1000_option opt = {
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.type = range_option,
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.name = "Transmit Interrupt Delay",
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.err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
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.def = DEFAULT_TIDV,
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.arg = { .r = { .min = MIN_TXDELAY,
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.max = MAX_TXDELAY }}
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};
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if (num_TxIntDelay > bd) {
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adapter->tx_int_delay = TxIntDelay[bd];
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e1000_validate_option(&adapter->tx_int_delay, &opt,
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adapter);
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} else {
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adapter->tx_int_delay = opt.def;
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}
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}
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{ /* Transmit Absolute Interrupt Delay */
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struct e1000_option opt = {
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.type = range_option,
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.name = "Transmit Absolute Interrupt Delay",
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.err = "using default of " __MODULE_STRING(DEFAULT_TADV),
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.def = DEFAULT_TADV,
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.arg = { .r = { .min = MIN_TXABSDELAY,
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.max = MAX_TXABSDELAY }}
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};
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if (num_TxAbsIntDelay > bd) {
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adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
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e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
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adapter);
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} else {
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adapter->tx_abs_int_delay = opt.def;
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}
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}
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{ /* Receive Interrupt Delay */
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struct e1000_option opt = {
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.type = range_option,
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.name = "Receive Interrupt Delay",
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.err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
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.def = DEFAULT_RDTR,
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.arg = { .r = { .min = MIN_RXDELAY,
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.max = MAX_RXDELAY }}
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};
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if (num_RxIntDelay > bd) {
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adapter->rx_int_delay = RxIntDelay[bd];
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e1000_validate_option(&adapter->rx_int_delay, &opt,
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adapter);
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} else {
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adapter->rx_int_delay = opt.def;
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}
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}
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{ /* Receive Absolute Interrupt Delay */
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struct e1000_option opt = {
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.type = range_option,
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.name = "Receive Absolute Interrupt Delay",
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.err = "using default of " __MODULE_STRING(DEFAULT_RADV),
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.def = DEFAULT_RADV,
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.arg = { .r = { .min = MIN_RXABSDELAY,
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.max = MAX_RXABSDELAY }}
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};
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if (num_RxAbsIntDelay > bd) {
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adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
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e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
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adapter);
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} else {
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adapter->rx_abs_int_delay = opt.def;
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}
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}
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{ /* Interrupt Throttling Rate */
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struct e1000_option opt = {
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.type = range_option,
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.name = "Interrupt Throttling Rate (ints/sec)",
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.err = "using default of " __MODULE_STRING(DEFAULT_ITR),
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.def = DEFAULT_ITR,
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.arg = { .r = { .min = MIN_ITR,
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.max = MAX_ITR }}
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};
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if (num_InterruptThrottleRate > bd) {
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adapter->itr = InterruptThrottleRate[bd];
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switch(adapter->itr) {
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case 0:
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DPRINTK(PROBE, INFO, "%s turned off\n",
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opt.name);
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break;
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case 1:
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DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
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opt.name);
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break;
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case -1:
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default:
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e1000_validate_option(&adapter->itr, &opt,
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adapter);
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break;
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}
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} else {
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adapter->itr = opt.def;
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}
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}
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switch(adapter->hw.media_type) {
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case e1000_media_type_fiber:
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case e1000_media_type_internal_serdes:
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e1000_check_fiber_options(adapter);
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break;
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case e1000_media_type_copper:
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e1000_check_copper_options(adapter);
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break;
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default:
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BUG();
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}
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}
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/**
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* e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
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* @adapter: board private structure
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*
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* Handles speed and duplex options on fiber adapters
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**/
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|
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static void __devinit
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e1000_check_fiber_options(struct e1000_adapter *adapter)
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{
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int bd = adapter->bd_number;
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if(num_Speed > bd) {
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DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
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"parameter ignored\n");
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}
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if(num_Duplex > bd) {
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DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
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"parameter ignored\n");
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}
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if((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
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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");
|
|
}
|
|
}
|
|
|
|
|