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729 lines
20 KiB
729 lines
20 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* Copyright(c) 1999 - 2006 Intel Corporation. */ |
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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 X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \ |
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static unsigned int num_##X; \ |
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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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#define AUTONEG_ADV_DEFAULT 0x2F |
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#define AUTONEG_ADV_MASK 0x2F |
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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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#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL |
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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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* Tx interrupt delay needs to typically be set to something non zero |
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* |
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* Valid Range: 0-65535 |
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*/ |
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E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay"); |
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#define DEFAULT_TIDV 8 |
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#define MAX_TXDELAY 0xFFFF |
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#define MIN_TXDELAY 0 |
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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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E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay"); |
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#define DEFAULT_TADV 32 |
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#define MAX_TXABSDELAY 0xFFFF |
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#define MIN_TXABSDELAY 0 |
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/* Receive Interrupt Delay in units of 1.024 microseconds |
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* hardware will likely hang if you set this to anything but zero. |
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* |
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* Valid Range: 0-65535 |
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*/ |
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E1000_PARAM(RxIntDelay, "Receive Interrupt Delay"); |
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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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/* 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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E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay"); |
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#define DEFAULT_RADV 8 |
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#define MAX_RXABSDELAY 0xFFFF |
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#define MIN_RXABSDELAY 0 |
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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, 3=dynamic conservative) |
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*/ |
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E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate"); |
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#define DEFAULT_ITR 3 |
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#define MAX_ITR 100000 |
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#define MIN_ITR 100 |
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/* Enable Smart Power Down of the PHY |
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* |
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* Valid Range: 0, 1 |
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* |
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* Default Value: 0 (disabled) |
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*/ |
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E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down"); |
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struct e1000_option { |
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enum { enable_option, range_option, list_option } type; |
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const char *name; |
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const 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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const 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 e1000_validate_option(unsigned int *value, |
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const 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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e_dev_info("%s Enabled\n", opt->name); |
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return 0; |
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case OPTION_DISABLED: |
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e_dev_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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e_dev_info("%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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const 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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e_dev_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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e_dev_info("Invalid %s value 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 e1000_check_options(struct e1000_adapter *adapter) |
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{ |
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struct e1000_option opt; |
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int bd = adapter->bd_number; |
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if (bd >= E1000_MAX_NIC) { |
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e_dev_warn("Warning: no configuration for board #%i " |
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"using defaults for all values\n", bd); |
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} |
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{ /* Transmit Descriptor Count */ |
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struct e1000_tx_ring *tx_ring = adapter->tx_ring; |
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int i; |
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e1000_mac_type mac_type = adapter->hw.mac_type; |
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opt = (struct e1000_option) { |
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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 = { |
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.min = E1000_MIN_TXD, |
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.max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD |
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}} |
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}; |
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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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tx_ring->count = ALIGN(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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for (i = 0; i < adapter->num_tx_queues; i++) |
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tx_ring[i].count = tx_ring->count; |
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} |
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{ /* Receive Descriptor Count */ |
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struct e1000_rx_ring *rx_ring = adapter->rx_ring; |
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int i; |
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e1000_mac_type mac_type = adapter->hw.mac_type; |
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opt = (struct e1000_option) { |
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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 = { |
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.min = E1000_MIN_RXD, |
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.max = mac_type < e1000_82544 ? E1000_MAX_RXD : |
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E1000_MAX_82544_RXD |
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}} |
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}; |
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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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rx_ring->count = ALIGN(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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for (i = 0; i < adapter->num_rx_queues; i++) |
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rx_ring[i].count = rx_ring->count; |
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} |
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{ /* Checksum Offload Enable/Disable */ |
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opt = (struct e1000_option) { |
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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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unsigned 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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static const 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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}; |
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opt = (struct e1000_option) { |
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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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unsigned 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 = adapter->hw.original_fc = opt.def; |
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} |
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} |
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{ /* Transmit Interrupt Delay */ |
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opt = (struct e1000_option) { |
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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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opt = (struct e1000_option) { |
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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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opt = (struct e1000_option) { |
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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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opt = (struct e1000_option) { |
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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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opt = (struct e1000_option) { |
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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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e_dev_info("%s turned off\n", opt.name); |
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break; |
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case 1: |
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e_dev_info("%s set to dynamic mode\n", |
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opt.name); |
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adapter->itr_setting = adapter->itr; |
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adapter->itr = 20000; |
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break; |
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case 3: |
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e_dev_info("%s set to dynamic conservative " |
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"mode\n", opt.name); |
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adapter->itr_setting = adapter->itr; |
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adapter->itr = 20000; |
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break; |
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case 4: |
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e_dev_info("%s set to simplified " |
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"(2000-8000) ints mode\n", opt.name); |
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adapter->itr_setting = adapter->itr; |
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break; |
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default: |
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e1000_validate_option(&adapter->itr, &opt, |
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adapter); |
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/* save the setting, because the dynamic bits |
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* change itr. |
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* clear the lower two bits because they are |
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* used as control |
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*/ |
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adapter->itr_setting = adapter->itr & ~3; |
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break; |
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} |
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} else { |
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adapter->itr_setting = opt.def; |
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adapter->itr = 20000; |
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} |
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} |
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{ /* Smart Power Down */ |
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opt = (struct e1000_option) { |
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.type = enable_option, |
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.name = "PHY Smart Power Down", |
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.err = "defaulting to Disabled", |
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.def = OPTION_DISABLED |
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}; |
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if (num_SmartPowerDownEnable > bd) { |
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unsigned int spd = SmartPowerDownEnable[bd]; |
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e1000_validate_option(&spd, &opt, adapter); |
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adapter->smart_power_down = spd; |
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} else { |
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adapter->smart_power_down = 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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/** |
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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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static void 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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e_dev_info("Speed not valid for fiber adapters, parameter " |
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"ignored\n"); |
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} |
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if (num_Duplex > bd) { |
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e_dev_info("Duplex not valid for fiber adapters, parameter " |
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"ignored\n"); |
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} |
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if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) { |
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e_dev_info("AutoNeg other than 1000/Full is not valid for fiber" |
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"adapters, parameter ignored\n"); |
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} |
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} |
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/** |
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* e1000_check_copper_options - Range Checking for Link Options, Copper Version |
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* @adapter: board private structure |
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* |
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* Handles speed and duplex options on copper adapters |
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**/ |
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static void e1000_check_copper_options(struct e1000_adapter *adapter) |
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{ |
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struct e1000_option opt; |
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unsigned int speed, dplx, an; |
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int bd = adapter->bd_number; |
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|
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{ /* Speed */ |
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static const struct e1000_opt_list speed_list[] = { |
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{ 0, "" }, |
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{ SPEED_10, "" }, |
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{ SPEED_100, "" }, |
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{ SPEED_1000, "" }}; |
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opt = (struct e1000_option) { |
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.type = list_option, |
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.name = "Speed", |
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.err = "parameter ignored", |
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.def = 0, |
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.arg = { .l = { .nr = ARRAY_SIZE(speed_list), |
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.p = speed_list }} |
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}; |
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if (num_Speed > bd) { |
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speed = Speed[bd]; |
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e1000_validate_option(&speed, &opt, adapter); |
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} else { |
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speed = opt.def; |
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} |
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} |
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{ /* Duplex */ |
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static const struct e1000_opt_list dplx_list[] = { |
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{ 0, "" }, |
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{ HALF_DUPLEX, "" }, |
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{ FULL_DUPLEX, "" }}; |
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opt = (struct e1000_option) { |
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.type = list_option, |
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.name = "Duplex", |
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.err = "parameter ignored", |
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.def = 0, |
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.arg = { .l = { .nr = ARRAY_SIZE(dplx_list), |
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.p = dplx_list }} |
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}; |
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|
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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)) { |
|
e_dev_info("AutoNeg specified along with Speed or Duplex, " |
|
"parameter ignored\n"); |
|
adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT; |
|
} else { /* Autoneg */ |
|
static const 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" }}; |
|
|
|
opt = (struct e1000_option) { |
|
.type = list_option, |
|
.name = "AutoNeg", |
|
.err = "parameter ignored", |
|
.def = AUTONEG_ADV_DEFAULT, |
|
.arg = { .l = { .nr = ARRAY_SIZE(an_list), |
|
.p = an_list }} |
|
}; |
|
|
|
if (num_AutoNeg > bd) { |
|
an = AutoNeg[bd]; |
|
e1000_validate_option(&an, &opt, adapter); |
|
} else { |
|
an = opt.def; |
|
} |
|
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)) |
|
e_dev_info("Speed and duplex autonegotiation " |
|
"enabled\n"); |
|
break; |
|
case HALF_DUPLEX: |
|
e_dev_info("Half Duplex specified without Speed\n"); |
|
e_dev_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: |
|
e_dev_info("Full Duplex specified without Speed\n"); |
|
e_dev_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: |
|
e_dev_info("10 Mbps Speed specified without Duplex\n"); |
|
e_dev_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: |
|
e_dev_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: |
|
e_dev_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: |
|
e_dev_info("100 Mbps Speed specified without Duplex\n"); |
|
e_dev_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: |
|
e_dev_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: |
|
e_dev_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: |
|
e_dev_info("1000 Mbps Speed specified without Duplex\n"); |
|
goto full_duplex_only; |
|
case SPEED_1000 + HALF_DUPLEX: |
|
e_dev_info("Half Duplex is not supported at 1000 Mbps\n"); |
|
fallthrough; |
|
case SPEED_1000 + FULL_DUPLEX: |
|
full_duplex_only: |
|
e_dev_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) { |
|
e_dev_info("Speed, AutoNeg and MDI-X specs are incompatible. " |
|
"Setting MDI-X to a compatible value.\n"); |
|
} |
|
} |
|
|
|
|