/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2007 Intel Corporation.
+ Copyright(c) 1999 - 2009 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
*******************************************************************************/
#include <linux/netdevice.h>
+#include <linux/pci.h>
#include "e1000.h"
-/* This is the only thing that needs to be changed to adjust the
+/*
+ * This is the only thing that needs to be changed to adjust the
* maximum number of ports that the driver can manage.
*/
MODULE_PARM_DESC(copybreak,
"Maximum size of packet that is copied to a new buffer on receive");
-/* All parameters are treated the same, as an integer array of values.
+/*
+ * All parameters are treated the same, as an integer array of values.
* This macro just reduces the need to repeat the same declaration code
* over and over (plus this helps to avoid typo bugs).
*/
#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
-#define E1000_PARAM(X, desc) \
- static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
- static int num_##X; \
- module_param_array_named(X, X, int, &num_##X, 0); \
+#define E1000_PARAM(X, desc) \
+ static int __devinitdata X[E1000_MAX_NIC+1] \
+ = E1000_PARAM_INIT; \
+ static unsigned int num_##X; \
+ module_param_array_named(X, X, int, &num_##X, 0); \
MODULE_PARM_DESC(X, desc);
-/* Transmit Interrupt Delay in units of 1.024 microseconds
- * Tx interrupt delay needs to typically be set to something non zero
+/*
+ * Transmit Interrupt Delay in units of 1.024 microseconds
+ * Tx interrupt delay needs to typically be set to something non zero
*
* Valid Range: 0-65535
*/
#define MAX_TXDELAY 0xFFFF
#define MIN_TXDELAY 0
-/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
+/*
+ * Transmit Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*/
#define MAX_TXABSDELAY 0xFFFF
#define MIN_TXABSDELAY 0
-/* Receive Interrupt Delay in units of 1.024 microseconds
- * hardware will likely hang if you set this to anything but zero.
+/*
+ * Receive Interrupt Delay in units of 1.024 microseconds
+ * hardware will likely hang if you set this to anything but zero.
*
* Valid Range: 0-65535
*/
#define MAX_RXDELAY 0xFFFF
#define MIN_RXDELAY 0
-/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
+/*
+ * Receive Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*/
#define MAX_RXABSDELAY 0xFFFF
#define MIN_RXABSDELAY 0
-/* Interrupt Throttle Rate (interrupts/sec)
+/*
+ * Interrupt Throttle Rate (interrupts/sec)
*
* Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
*/
#define DEFAULT_ITR 3
#define MAX_ITR 100000
#define MIN_ITR 100
+/* IntMode (Interrupt Mode)
+ *
+ * Valid Range: 0 - 2
+ *
+ * Default Value: 2 (MSI-X)
+ */
+E1000_PARAM(IntMode, "Interrupt Mode");
+#define MAX_INTMODE 2
+#define MIN_INTMODE 0
-/* Enable Smart Power Down of the PHY
+/*
+ * Enable Smart Power Down of the PHY
*
* Valid Range: 0, 1
*
*/
E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
-/* Enable Kumeran Lock Loss workaround
+/*
+ * Enable Kumeran Lock Loss workaround
*
* Valid Range: 0, 1
*
*/
E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
+/*
+ * Write Protect NVM
+ *
+ * Valid Range: 0, 1
+ *
+ * Default Value: 1 (enabled)
+ */
+E1000_PARAM(WriteProtectNVM, "Write-protect NVM [WARNING: disabling this can lead to corrupted NVM]");
+
+/*
+ * Enable CRC Stripping
+ *
+ * Valid Range: 0, 1
+ *
+ * Default Value: 1 (enabled)
+ */
+E1000_PARAM(CrcStripping, "Enable CRC Stripping, disable if your BMC needs " \
+ "the CRC");
+
struct e1000_option {
enum { enable_option, range_option, list_option } type;
- char *name;
- char *err;
- int def;
+ const char *name;
+ const char *err;
+ int def;
union {
struct { /* range_option info */
int min;
} arg;
};
-static int __devinit e1000_validate_option(int *value,
- struct e1000_option *opt,
+static int __devinit e1000_validate_option(unsigned int *value,
+ const struct e1000_option *opt,
struct e1000_adapter *adapter)
{
if (*value == OPTION_UNSET) {
case enable_option:
switch (*value) {
case OPTION_ENABLED:
- ndev_info(adapter->netdev, "%s Enabled\n", opt->name);
+ e_info("%s Enabled\n", opt->name);
return 0;
case OPTION_DISABLED:
- ndev_info(adapter->netdev, "%s Disabled\n", opt->name);
+ e_info("%s Disabled\n", opt->name);
return 0;
}
break;
case range_option:
if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
- ndev_info(adapter->netdev,
- "%s set to %i\n", opt->name, *value);
+ e_info("%s set to %i\n", opt->name, *value);
return 0;
}
break;
ent = &opt->arg.l.p[i];
if (*value == ent->i) {
if (ent->str[0] != '\0')
- ndev_info(adapter->netdev, "%s\n",
- ent->str);
+ e_info("%s\n", ent->str);
return 0;
}
}
BUG();
}
- ndev_info(adapter->netdev, "Invalid %s value specified (%i) %s\n",
- opt->name, *value, opt->err);
+ e_info("Invalid %s value specified (%i) %s\n", opt->name, *value,
+ opt->err);
*value = opt->def;
return -1;
}
void __devinit e1000e_check_options(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
- struct net_device *netdev = adapter->netdev;
int bd = adapter->bd_number;
if (bd >= E1000_MAX_NIC) {
- ndev_notice(netdev,
- "Warning: no configuration for board #%i\n", bd);
- ndev_notice(netdev, "Using defaults for all values\n");
+ e_notice("Warning: no configuration for board #%i\n", bd);
+ e_notice("Using defaults for all values\n");
}
{ /* Transmit Interrupt Delay */
- struct e1000_option opt = {
+ const struct e1000_option opt = {
.type = range_option,
.name = "Transmit Interrupt Delay",
.err = "using default of "
}
}
{ /* Transmit Absolute Interrupt Delay */
- struct e1000_option opt = {
+ const struct e1000_option opt = {
.type = range_option,
.name = "Transmit Absolute Interrupt Delay",
.err = "using default of "
.max = MAX_RXDELAY } }
};
- /* modify min and default if 82573 for slow ping w/a,
- * a value greater than 8 needs to be set for RDTR */
- if (adapter->flags & FLAG_HAS_ASPM) {
- opt.def = 32;
- opt.arg.r.min = 8;
- }
-
if (num_RxIntDelay > bd) {
adapter->rx_int_delay = RxIntDelay[bd];
e1000_validate_option(&adapter->rx_int_delay, &opt,
}
}
{ /* Receive Absolute Interrupt Delay */
- struct e1000_option opt = {
+ const struct e1000_option opt = {
.type = range_option,
.name = "Receive Absolute Interrupt Delay",
.err = "using default of "
}
}
{ /* Interrupt Throttling Rate */
- struct e1000_option opt = {
+ const struct e1000_option opt = {
.type = range_option,
.name = "Interrupt Throttling Rate (ints/sec)",
.err = "using default of "
adapter->itr = InterruptThrottleRate[bd];
switch (adapter->itr) {
case 0:
- ndev_info(netdev, "%s turned off\n",
- opt.name);
+ e_info("%s turned off\n", opt.name);
break;
case 1:
- ndev_info(netdev,
- "%s set to dynamic mode\n",
- opt.name);
+ e_info("%s set to dynamic mode\n", opt.name);
adapter->itr_setting = adapter->itr;
adapter->itr = 20000;
break;
case 3:
- ndev_info(netdev,
- "%s set to dynamic conservative mode\n",
+ e_info("%s set to dynamic conservative mode\n",
opt.name);
adapter->itr_setting = adapter->itr;
adapter->itr = 20000;
break;
default:
- e1000_validate_option(&adapter->itr, &opt,
- adapter);
/*
- * save the setting, because the dynamic bits
- * change itr. clear the lower two bits
- * because they are used as control
+ * Save the setting, because the dynamic bits
+ * change itr.
*/
- adapter->itr_setting = adapter->itr & ~3;
+ if (e1000_validate_option(&adapter->itr, &opt,
+ adapter) &&
+ (adapter->itr == 3)) {
+ /*
+ * In case of invalid user value,
+ * default to conservative mode.
+ */
+ adapter->itr_setting = adapter->itr;
+ adapter->itr = 20000;
+ } else {
+ /*
+ * Clear the lower two bits because
+ * they are used as control.
+ */
+ adapter->itr_setting =
+ adapter->itr & ~3;
+ }
break;
}
} else {
adapter->itr = 20000;
}
}
- { /* Smart Power Down */
+ { /* Interrupt Mode */
struct e1000_option opt = {
+ .type = range_option,
+ .name = "Interrupt Mode",
+ .err = "defaulting to 2 (MSI-X)",
+ .def = E1000E_INT_MODE_MSIX,
+ .arg = { .r = { .min = MIN_INTMODE,
+ .max = MAX_INTMODE } }
+ };
+
+ if (num_IntMode > bd) {
+ unsigned int int_mode = IntMode[bd];
+ e1000_validate_option(&int_mode, &opt, adapter);
+ adapter->int_mode = int_mode;
+ } else {
+ adapter->int_mode = opt.def;
+ }
+ }
+ { /* Smart Power Down */
+ const struct e1000_option opt = {
.type = enable_option,
.name = "PHY Smart Power Down",
.err = "defaulting to Disabled",
};
if (num_SmartPowerDownEnable > bd) {
- int spd = SmartPowerDownEnable[bd];
+ unsigned int spd = SmartPowerDownEnable[bd];
e1000_validate_option(&spd, &opt, adapter);
if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN)
&& spd)
adapter->flags |= FLAG_SMART_POWER_DOWN;
}
}
+ { /* CRC Stripping */
+ const struct e1000_option opt = {
+ .type = enable_option,
+ .name = "CRC Stripping",
+ .err = "defaulting to enabled",
+ .def = OPTION_ENABLED
+ };
+
+ if (num_CrcStripping > bd) {
+ unsigned int crc_stripping = CrcStripping[bd];
+ e1000_validate_option(&crc_stripping, &opt, adapter);
+ if (crc_stripping == OPTION_ENABLED)
+ adapter->flags2 |= FLAG2_CRC_STRIPPING;
+ } else {
+ adapter->flags2 |= FLAG2_CRC_STRIPPING;
+ }
+ }
{ /* Kumeran Lock Loss Workaround */
- struct e1000_option opt = {
+ const struct e1000_option opt = {
.type = enable_option,
.name = "Kumeran Lock Loss Workaround",
.err = "defaulting to Enabled",
};
if (num_KumeranLockLoss > bd) {
- int kmrn_lock_loss = KumeranLockLoss[bd];
+ unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
if (hw->mac.type == e1000_ich8lan)
e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
opt.def);
}
}
+ { /* Write-protect NVM */
+ const struct e1000_option opt = {
+ .type = enable_option,
+ .name = "Write-protect NVM",
+ .err = "defaulting to Enabled",
+ .def = OPTION_ENABLED
+ };
+
+ if (adapter->flags & FLAG_IS_ICH) {
+ if (num_WriteProtectNVM > bd) {
+ unsigned int write_protect_nvm = WriteProtectNVM[bd];
+ e1000_validate_option(&write_protect_nvm, &opt,
+ adapter);
+ if (write_protect_nvm)
+ adapter->flags |= FLAG_READ_ONLY_NVM;
+ } else {
+ if (opt.def)
+ adapter->flags |= FLAG_READ_ONLY_NVM;
+ }
+ }
+ }
}
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