intel: Move the Intel wired LAN drivers

Moves the Intel wired LAN drivers into drivers/net/ethernet/intel/ and
the necessary Kconfig and Makefile changes.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 478 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/e1000e/param.c b/drivers/net/ethernet/intel/e1000e/param.c
new file mode 100644
index 000000000000..4dd9b63273f6
--- /dev/null
+++ b/drivers/net/ethernet/intel/e1000e/param.c
@@ -0,0 +1,478 @@
+/*******************************************************************************
+
+  Intel PRO/1000 Linux driver
+  Copyright(c) 1999 - 2011 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,
+  version 2, as published by the Free Software Foundation.
+
+  This program is distributed in the hope it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+  more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program; if not, write to the Free Software Foundation, Inc.,
+  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Contact Information:
+  Linux NICS <linux.nics@intel.com>
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+
+#include "e1000.h"
+
+/*
+ * This is the only thing that needs to be changed to adjust the
+ * maximum number of ports that the driver can manage.
+ */
+
+#define E1000_MAX_NIC 32
+
+#define OPTION_UNSET   -1
+#define OPTION_DISABLED 0
+#define OPTION_ENABLED  1
+
+#define COPYBREAK_DEFAULT 256
+unsigned int copybreak = COPYBREAK_DEFAULT;
+module_param(copybreak, uint, 0644);
+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.
+ * 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 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
+ *
+ * Valid Range: 0-65535
+ */
+E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
+#define DEFAULT_TIDV 8
+#define MAX_TXDELAY 0xFFFF
+#define MIN_TXDELAY 0
+
+/*
+ * Transmit Absolute Interrupt Delay in units of 1.024 microseconds
+ *
+ * Valid Range: 0-65535
+ */
+E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
+#define DEFAULT_TADV 32
+#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.
+ *
+ * Valid Range: 0-65535
+ */
+E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
+#define MAX_RXDELAY 0xFFFF
+#define MIN_RXDELAY 0
+
+/*
+ * Receive Absolute Interrupt Delay in units of 1.024 microseconds
+ *
+ * Valid Range: 0-65535
+ */
+E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
+#define MAX_RXABSDELAY 0xFFFF
+#define MIN_RXABSDELAY 0
+
+/*
+ * Interrupt Throttle Rate (interrupts/sec)
+ *
+ * Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
+ */
+E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
+#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
+ *
+ * Valid Range: 0, 1
+ *
+ * Default Value: 0 (disabled)
+ */
+E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
+
+/*
+ * Enable Kumeran Lock Loss workaround
+ *
+ * Valid Range: 0, 1
+ *
+ * Default Value: 1 (enabled)
+ */
+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;
+	const char *name;
+	const char *err;
+	int def;
+	union {
+		struct { /* range_option info */
+			int min;
+			int max;
+		} r;
+		struct { /* list_option info */
+			int nr;
+			struct e1000_opt_list { int i; char *str; } *p;
+		} l;
+	} arg;
+};
+
+static int __devinit e1000_validate_option(unsigned int *value,
+					   const struct e1000_option *opt,
+					   struct e1000_adapter *adapter)
+{
+	if (*value == OPTION_UNSET) {
+		*value = opt->def;
+		return 0;
+	}
+
+	switch (opt->type) {
+	case enable_option:
+		switch (*value) {
+		case OPTION_ENABLED:
+			e_info("%s Enabled\n", opt->name);
+			return 0;
+		case OPTION_DISABLED:
+			e_info("%s Disabled\n", opt->name);
+			return 0;
+		}
+		break;
+	case range_option:
+		if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
+			e_info("%s set to %i\n", opt->name, *value);
+			return 0;
+		}
+		break;
+	case list_option: {
+		int i;
+		struct e1000_opt_list *ent;
+
+		for (i = 0; i < opt->arg.l.nr; i++) {
+			ent = &opt->arg.l.p[i];
+			if (*value == ent->i) {
+				if (ent->str[0] != '\0')
+					e_info("%s\n", ent->str);
+				return 0;
+			}
+		}
+	}
+		break;
+	default:
+		BUG();
+	}
+
+	e_info("Invalid %s value specified (%i) %s\n", opt->name, *value,
+	       opt->err);
+	*value = opt->def;
+	return -1;
+}
+
+/**
+ * e1000e_check_options - Range Checking for Command Line Parameters
+ * @adapter: board private structure
+ *
+ * This routine checks all command line parameters for valid user
+ * input.  If an invalid value is given, or if no user specified
+ * value exists, a default value is used.  The final value is stored
+ * in a variable in the adapter structure.
+ **/
+void __devinit e1000e_check_options(struct e1000_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int bd = adapter->bd_number;
+
+	if (bd >= E1000_MAX_NIC) {
+		e_notice("Warning: no configuration for board #%i\n", bd);
+		e_notice("Using defaults for all values\n");
+	}
+
+	{ /* Transmit Interrupt Delay */
+		static const struct e1000_option opt = {
+			.type = range_option,
+			.name = "Transmit Interrupt Delay",
+			.err  = "using default of "
+				__MODULE_STRING(DEFAULT_TIDV),
+			.def  = DEFAULT_TIDV,
+			.arg  = { .r = { .min = MIN_TXDELAY,
+					 .max = MAX_TXDELAY } }
+		};
+
+		if (num_TxIntDelay > bd) {
+			adapter->tx_int_delay = TxIntDelay[bd];
+			e1000_validate_option(&adapter->tx_int_delay, &opt,
+					      adapter);
+		} else {
+			adapter->tx_int_delay = opt.def;
+		}
+	}
+	{ /* Transmit Absolute Interrupt Delay */
+		static const struct e1000_option opt = {
+			.type = range_option,
+			.name = "Transmit Absolute Interrupt Delay",
+			.err  = "using default of "
+				__MODULE_STRING(DEFAULT_TADV),
+			.def  = DEFAULT_TADV,
+			.arg  = { .r = { .min = MIN_TXABSDELAY,
+					 .max = MAX_TXABSDELAY } }
+		};
+
+		if (num_TxAbsIntDelay > bd) {
+			adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
+			e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
+					      adapter);
+		} else {
+			adapter->tx_abs_int_delay = opt.def;
+		}
+	}
+	{ /* Receive Interrupt Delay */
+		static struct e1000_option opt = {
+			.type = range_option,
+			.name = "Receive Interrupt Delay",
+			.err  = "using default of "
+				__MODULE_STRING(DEFAULT_RDTR),
+			.def  = DEFAULT_RDTR,
+			.arg  = { .r = { .min = MIN_RXDELAY,
+					 .max = MAX_RXDELAY } }
+		};
+
+		if (num_RxIntDelay > bd) {
+			adapter->rx_int_delay = RxIntDelay[bd];
+			e1000_validate_option(&adapter->rx_int_delay, &opt,
+					      adapter);
+		} else {
+			adapter->rx_int_delay = opt.def;
+		}
+	}
+	{ /* Receive Absolute Interrupt Delay */
+		static const struct e1000_option opt = {
+			.type = range_option,
+			.name = "Receive Absolute Interrupt Delay",
+			.err  = "using default of "
+				__MODULE_STRING(DEFAULT_RADV),
+			.def  = DEFAULT_RADV,
+			.arg  = { .r = { .min = MIN_RXABSDELAY,
+					 .max = MAX_RXABSDELAY } }
+		};
+
+		if (num_RxAbsIntDelay > bd) {
+			adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
+			e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
+					      adapter);
+		} else {
+			adapter->rx_abs_int_delay = opt.def;
+		}
+	}
+	{ /* Interrupt Throttling Rate */
+		static const struct e1000_option opt = {
+			.type = range_option,
+			.name = "Interrupt Throttling Rate (ints/sec)",
+			.err  = "using default of "
+				__MODULE_STRING(DEFAULT_ITR),
+			.def  = DEFAULT_ITR,
+			.arg  = { .r = { .min = MIN_ITR,
+					 .max = MAX_ITR } }
+		};
+
+		if (num_InterruptThrottleRate > bd) {
+			adapter->itr = InterruptThrottleRate[bd];
+			switch (adapter->itr) {
+			case 0:
+				e_info("%s turned off\n", opt.name);
+				break;
+			case 1:
+				e_info("%s set to dynamic mode\n", opt.name);
+				adapter->itr_setting = adapter->itr;
+				adapter->itr = 20000;
+				break;
+			case 3:
+				e_info("%s set to dynamic conservative mode\n",
+					opt.name);
+				adapter->itr_setting = adapter->itr;
+				adapter->itr = 20000;
+				break;
+			case 4:
+				e_info("%s set to simplified (2000-8000 ints) "
+				       "mode\n", opt.name);
+				adapter->itr_setting = 4;
+				break;
+			default:
+				/*
+				 * Save the setting, because the dynamic bits
+				 * change itr.
+				 */
+				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_setting = opt.def;
+			adapter->itr = 20000;
+		}
+	}
+	{ /* Interrupt Mode */
+		static 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 */
+		static const struct e1000_option opt = {
+			.type = enable_option,
+			.name = "PHY Smart Power Down",
+			.err  = "defaulting to Disabled",
+			.def  = OPTION_DISABLED
+		};
+
+		if (num_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 */
+		static 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 */
+		static const struct e1000_option opt = {
+			.type = enable_option,
+			.name = "Kumeran Lock Loss Workaround",
+			.err  = "defaulting to Enabled",
+			.def  = OPTION_ENABLED
+		};
+
+		if (num_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,
+								kmrn_lock_loss);
+		} else {
+			if (hw->mac.type == e1000_ich8lan)
+				e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
+								       opt.def);
+		}
+	}
+	{ /* Write-protect NVM */
+		static 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;
+			}
+		}
+	}
+}