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-rw-r--r--kmod/igb/igb_param.c871
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diff --git a/kmod/igb/igb_param.c b/kmod/igb/igb_param.c
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--- a/kmod/igb/igb_param.c
+++ /dev/null
@@ -1,871 +0,0 @@
-/*******************************************************************************
-
- Intel(R) Gigabit Ethernet Linux driver
- Copyright(c) 2007-2015 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.
-
- 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 "igb.h"
-
-/* This is the only thing that needs to be changed to adjust the
- * maximum number of ports that the driver can manage.
- */
-
-#define IGB_MAX_NIC 32
-
-#define OPTION_UNSET -1
-#define OPTION_DISABLED 0
-#define OPTION_ENABLED 1
-#define MAX_NUM_LIST_OPTS 15
-
-/* 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 IGB_PARAM_INIT { [0 ... IGB_MAX_NIC] = OPTION_UNSET }
-#ifndef module_param_array
-/* Module Parameters are always initialized to -1, so that the driver
- * can tell the difference between no user specified value or the
- * user asking for the default value.
- * The true default values are loaded in when igb_check_options is called.
- *
- * This is a GCC extension to ANSI C.
- * See the item "Labeled Elements in Initializers" in the section
- * "Extensions to the C Language Family" of the GCC documentation.
- */
-
-#define IGB_PARAM(X, desc) \
- static const int X[IGB_MAX_NIC+1] = IGB_PARAM_INIT; \
- MODULE_PARM(X, "1-" __MODULE_STRING(IGB_MAX_NIC) "i"); \
- MODULE_PARM_DESC(X, desc);
-#else
-#define IGB_PARAM(X, desc) \
- static int X[IGB_MAX_NIC+1] = IGB_PARAM_INIT; \
- static unsigned int num_##X; \
- module_param_array_named(X, X, int, &num_##X, 0); \
- MODULE_PARM_DESC(X, desc);
-#endif
-
-/* Interrupt Throttle Rate (interrupts/sec)
- *
- * Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
- */
-IGB_PARAM(InterruptThrottleRate,
- "Maximum interrupts per second, per vector, (max 100000), default 3=adaptive");
-#define DEFAULT_ITR 3
-#define MAX_ITR 100000
-/* #define MIN_ITR 120 */
-#define MIN_ITR 0
-/* IntMode (Interrupt Mode)
- *
- * Valid Range: 0 - 2
- *
- * Default Value: 2 (MSI-X)
- */
-IGB_PARAM(IntMode,
- "Change Interrupt Mode (0=Legacy, 1=MSI, 2=MSI-X), default 2");
-#define MAX_INTMODE IGB_INT_MODE_MSIX
-#define MIN_INTMODE IGB_INT_MODE_LEGACY
-
-IGB_PARAM(Node, "set the starting node to allocate memory on, default -1");
-
-/* LLIPort (Low Latency Interrupt TCP Port)
- *
- * Valid Range: 0 - 65535
- *
- * Default Value: 0 (disabled)
- */
-IGB_PARAM(LLIPort,
- "Low Latency Interrupt TCP Port (0-65535), default 0=off");
-
-#define DEFAULT_LLIPORT 0
-#define MAX_LLIPORT 0xFFFF
-#define MIN_LLIPORT 0
-
-/* LLIPush (Low Latency Interrupt on TCP Push flag)
- *
- * Valid Range: 0, 1
- *
- * Default Value: 0 (disabled)
- */
-IGB_PARAM(LLIPush, "Low Latency Interrupt on TCP Push flag (0,1), default 0=off");
-
-#define DEFAULT_LLIPUSH 0
-#define MAX_LLIPUSH 1
-#define MIN_LLIPUSH 0
-
-/* LLISize (Low Latency Interrupt on Packet Size)
- *
- * Valid Range: 0 - 1500
- *
- * Default Value: 0 (disabled)
- */
-IGB_PARAM(LLISize,
- "Low Latency Interrupt on Packet Size (0-1500), default 0=off");
-
-#define DEFAULT_LLISIZE 0
-#define MAX_LLISIZE 1500
-#define MIN_LLISIZE 0
-
-/* RSS (Enable RSS multiqueue receive)
- *
- * Valid Range: 0 - 8
- *
- * Default Value: 1
- */
-IGB_PARAM(RSS, "Number of Receive-Side Scaling Descriptor Queues - must be 4 for AVB");
-
-#define DEFAULT_RSS 4
-#define MAX_RSS 4
-#define MIN_RSS 4
-
-/* VMDQ (Enable VMDq multiqueue receive)
- *
- * Valid Range: 0 - 8
- *
- * Default Value: 0
- */
-IGB_PARAM(VMDQ,
- "Number of Virtual Machine Device Queues: 0-1 = disable, 2-8 enable, default 0");
-
-#define DEFAULT_VMDQ 0
-#define MAX_VMDQ MAX_RSS
-#define MIN_VMDQ 0
-
-/* max_vfs (Enable SR-IOV VF devices)
- *
- * Valid Range: 0 - 7
- *
- * Default Value: 0
- */
-IGB_PARAM(max_vfs,
- "Number of Virtual Functions: 0 = disable, 1-7 enable, default 0");
-
-#define DEFAULT_SRIOV 0
-#define MAX_SRIOV 7
-#define MIN_SRIOV 0
-
-/* MDD (Enable Malicious Driver Detection)
- *
- * Only available when SR-IOV is enabled - max_vfs is greater than 0
- *
- * Valid Range: 0, 1
- *
- * Default Value: 1
- */
-IGB_PARAM(MDD,
- "Malicious Driver Detection (0/1), default 1 = enabled. Only available when max_vfs is greater than 0");
-
-#ifdef DEBUG
-
-/* Disable Hardware Reset on Tx Hang
- *
- * Valid Range: 0, 1
- *
- * Default Value: 0 (disabled, i.e. h/w will reset)
- */
-IGB_PARAM(DisableHwReset, "Disable reset of hardware on Tx hang");
-
-/* Dump Transmit and Receive buffers
- *
- * Valid Range: 0, 1
- *
- * Default Value: 0
- */
-IGB_PARAM(DumpBuffers, "Dump Tx/Rx buffers on Tx hang or by request");
-
-#endif /* DEBUG */
-
-/* QueuePairs (Enable TX/RX queue pairs for interrupt handling)
- *
- * Valid Range: 0 - 1
- *
- * Default Value: 1
- */
-IGB_PARAM(QueuePairs,
- "Enable Tx/Rx queue pairs for interrupt handling (0,1), default 1=on");
-
-#define DEFAULT_QUEUE_PAIRS 1
-#define MAX_QUEUE_PAIRS 1
-#define MIN_QUEUE_PAIRS 0
-
-/* Enable/disable EEE (a.k.a. IEEE802.3az)
- *
- * Valid Range: 0, 1
- *
- * Default Value: 1
- */
-IGB_PARAM(EEE,
- "Enable/disable on parts that support the feature");
-
-/* Enable/disable DMA Coalescing
- *
- * Valid Values: 0(off), 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000,
- * 9000, 10000(msec), 250(usec), 500(usec)
- *
- * Default Value: 0
- */
-IGB_PARAM(DMAC,
- "Disable or set latency for DMA Coalescing ((0=off, 1000-10000(msec), 250, 500 (usec))");
-
-#ifndef IGB_NO_LRO
-/* Enable/disable Large Receive Offload
- *
- * Valid Values: 0(off), 1(on)
- *
- * Default Value: 0
- */
-IGB_PARAM(LRO, "Large Receive Offload (0,1), default 0=off");
-
-#endif
-struct igb_opt_list {
- int i;
- char *str;
-};
-struct igb_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 igb_opt_list *p;
- } l;
- } arg;
-};
-
-static int igb_validate_option(unsigned int *value,
- struct igb_option *opt,
- struct igb_adapter *adapter)
-{
- if (*value == OPTION_UNSET) {
- *value = opt->def;
- return 0;
- }
-
- switch (opt->type) {
- case enable_option:
- switch (*value) {
- case OPTION_ENABLED:
- DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
- return 0;
- case OPTION_DISABLED:
- DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
- return 0;
- }
- break;
- case range_option:
- if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
- DPRINTK(PROBE, INFO,
- "%s set to %d\n", opt->name, *value);
- return 0;
- }
- break;
- case list_option: {
- int i;
- struct igb_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')
- DPRINTK(PROBE, INFO, "%s\n", ent->str);
- return 0;
- }
- }
- }
- break;
- default:
- BUG();
- }
-
- DPRINTK(PROBE, INFO, "Invalid %s value specified (%d) %s\n",
- opt->name, *value, opt->err);
- *value = opt->def;
- return -1;
-}
-
-/**
- * igb_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 igb_check_options(struct igb_adapter *adapter)
-{
- int bd = adapter->bd_number;
- struct e1000_hw *hw = &adapter->hw;
-
- if (bd >= IGB_MAX_NIC) {
- DPRINTK(PROBE, NOTICE,
- "Warning: no configuration for board #%d\n", bd);
- DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
-#ifndef module_param_array
- bd = IGB_MAX_NIC;
-#endif
- }
-
- { /* Interrupt Throttling Rate */
- struct igb_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 } }
- };
-
-#ifdef module_param_array
- if (num_InterruptThrottleRate > bd) {
-#endif
- unsigned int itr = InterruptThrottleRate[bd];
-
- switch (itr) {
- case 0:
- DPRINTK(PROBE, INFO, "%s turned off\n",
- opt.name);
- if (hw->mac.type >= e1000_i350)
- adapter->dmac = IGB_DMAC_DISABLE;
- adapter->rx_itr_setting = itr;
- break;
- case 1:
- DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
- opt.name);
- adapter->rx_itr_setting = itr;
- break;
- case 3:
- DPRINTK(PROBE, INFO,
- "%s set to dynamic conservative mode\n",
- opt.name);
- adapter->rx_itr_setting = itr;
- break;
- default:
- igb_validate_option(&itr, &opt, adapter);
- /* Save the setting, because the dynamic bits
- * change itr. In case of invalid user value,
- * default to conservative mode, else need to
- * clear the lower two bits because they are
- * used as control */
- if (itr == 3) {
- adapter->rx_itr_setting = itr;
- } else {
- adapter->rx_itr_setting = 1000000000
- / (itr * 256);
- adapter->rx_itr_setting &= ~3;
- }
- break;
- }
-#ifdef module_param_array
- } else {
- adapter->rx_itr_setting = opt.def;
- }
-#endif
- adapter->tx_itr_setting = adapter->rx_itr_setting;
- }
- { /* Interrupt Mode */
- struct igb_option opt = {
- .type = range_option,
- .name = "Interrupt Mode",
- .err = "defaulting to 2 (MSI-X)",
- .def = IGB_INT_MODE_MSIX,
- .arg = { .r = { .min = MIN_INTMODE,
- .max = MAX_INTMODE } }
- };
-
-#ifdef module_param_array
- if (num_IntMode > bd) {
-#endif
- unsigned int int_mode = IntMode[bd];
- igb_validate_option(&int_mode, &opt, adapter);
- adapter->int_mode = int_mode;
-#ifdef module_param_array
- } else {
- adapter->int_mode = opt.def;
- }
-#endif
- }
- { /* Low Latency Interrupt TCP Port */
- struct igb_option opt = {
- .type = range_option,
- .name = "Low Latency Interrupt TCP Port",
- .err = "using default of "
- __MODULE_STRING(DEFAULT_LLIPORT),
- .def = DEFAULT_LLIPORT,
- .arg = { .r = { .min = MIN_LLIPORT,
- .max = MAX_LLIPORT } }
- };
-
-#ifdef module_param_array
- if (num_LLIPort > bd) {
-#endif
- adapter->lli_port = LLIPort[bd];
- if (adapter->lli_port) {
- igb_validate_option(&adapter->lli_port, &opt,
- adapter);
- } else {
- DPRINTK(PROBE, INFO, "%s turned off\n",
- opt.name);
- }
-#ifdef module_param_array
- } else {
- adapter->lli_port = opt.def;
- }
-#endif
- }
- { /* Low Latency Interrupt on Packet Size */
- struct igb_option opt = {
- .type = range_option,
- .name = "Low Latency Interrupt on Packet Size",
- .err = "using default of "
- __MODULE_STRING(DEFAULT_LLISIZE),
- .def = DEFAULT_LLISIZE,
- .arg = { .r = { .min = MIN_LLISIZE,
- .max = MAX_LLISIZE } }
- };
-
-#ifdef module_param_array
- if (num_LLISize > bd) {
-#endif
- adapter->lli_size = LLISize[bd];
- if (adapter->lli_size) {
- igb_validate_option(&adapter->lli_size, &opt,
- adapter);
- } else {
- DPRINTK(PROBE, INFO, "%s turned off\n",
- opt.name);
- }
-#ifdef module_param_array
- } else {
- adapter->lli_size = opt.def;
- }
-#endif
- }
- { /* Low Latency Interrupt on TCP Push flag */
- struct igb_option opt = {
- .type = enable_option,
- .name = "Low Latency Interrupt on TCP Push flag",
- .err = "defaulting to Disabled",
- .def = OPTION_DISABLED
- };
-
-#ifdef module_param_array
- if (num_LLIPush > bd) {
-#endif
- unsigned int lli_push = LLIPush[bd];
- igb_validate_option(&lli_push, &opt, adapter);
- adapter->flags |= lli_push ? IGB_FLAG_LLI_PUSH : 0;
-#ifdef module_param_array
- } else {
- adapter->flags |= opt.def ? IGB_FLAG_LLI_PUSH : 0;
- }
-#endif
- }
- { /* SRIOV - Enable SR-IOV VF devices */
- struct igb_option opt = {
- .type = range_option,
- .name = "max_vfs - SR-IOV VF devices",
- .err = "using default of "
- __MODULE_STRING(DEFAULT_SRIOV),
- .def = DEFAULT_SRIOV,
- .arg = { .r = { .min = MIN_SRIOV,
- .max = MAX_SRIOV } }
- };
-
-#ifdef module_param_array
- if (num_max_vfs > bd) {
-#endif
- adapter->vfs_allocated_count = max_vfs[bd];
- igb_validate_option(&adapter->vfs_allocated_count,
- &opt, adapter);
-
-#ifdef module_param_array
- } else {
- adapter->vfs_allocated_count = opt.def;
- }
-#endif
- if (adapter->vfs_allocated_count) {
- switch (hw->mac.type) {
- case e1000_82575:
- case e1000_82580:
- case e1000_i210:
- case e1000_i211:
- case e1000_i354:
- adapter->vfs_allocated_count = 0;
- DPRINTK(PROBE, INFO,
- "SR-IOV option max_vfs not supported.\n");
- /* Fall through */
- default:
- break;
- }
- }
- }
- { /* VMDQ - Enable VMDq multiqueue receive */
- struct igb_option opt = {
- .type = range_option,
- .name = "VMDQ - VMDq multiqueue queue count",
- .err = "using default of "__MODULE_STRING(DEFAULT_VMDQ),
- .def = DEFAULT_VMDQ,
- .arg = { .r = { .min = MIN_VMDQ,
- .max = (MAX_VMDQ
- - adapter->vfs_allocated_count)} }
- };
- if ((hw->mac.type != e1000_i210) &&
- (hw->mac.type != e1000_i211)) {
-#ifdef module_param_array
- if (num_VMDQ > bd) {
-#endif
- adapter->vmdq_pools = (VMDQ[bd] == 1 ? 0 : VMDQ[bd]);
- if (adapter->vfs_allocated_count &&
- !adapter->vmdq_pools) {
- DPRINTK(PROBE, INFO,
- "Enabling SR-IOV requires VMDq be set to at least 1\n");
- adapter->vmdq_pools = 1;
- }
- igb_validate_option(&adapter->vmdq_pools, &opt,
- adapter);
-
-#ifdef module_param_array
- } else {
- if (!adapter->vfs_allocated_count)
- adapter->vmdq_pools = (opt.def == 1 ? 0
- : opt.def);
- else
- adapter->vmdq_pools = 1;
- }
-#endif
-#ifdef CONFIG_IGB_VMDQ_NETDEV
- if (hw->mac.type == e1000_82575 && adapter->vmdq_pools) {
- DPRINTK(PROBE, INFO,
- "VMDq not supported on this part.\n");
- adapter->vmdq_pools = 0;
- }
-#endif
-
- } else {
- DPRINTK(PROBE, INFO, "VMDq option is not supported.\n");
- adapter->vmdq_pools = opt.def;
- }
- }
- { /* RSS - Enable RSS multiqueue receives */
- struct igb_option opt = {
- .type = range_option,
- .name = "RSS - RSS multiqueue receive count",
- .err = "using default of "__MODULE_STRING(DEFAULT_RSS),
- .def = DEFAULT_RSS,
- .arg = { .r = { .min = MIN_RSS,
- .max = MAX_RSS } }
- };
-
- switch (hw->mac.type) {
- case e1000_82575:
-#ifndef CONFIG_IGB_VMDQ_NETDEV
- if (!!adapter->vmdq_pools) {
- if (adapter->vmdq_pools <= 2) {
- if (adapter->vmdq_pools == 2)
- opt.arg.r.max = 3;
- } else {
- opt.arg.r.max = 1;
- }
- } else {
- opt.arg.r.max = 4;
- }
-#else
- opt.arg.r.max = !!adapter->vmdq_pools ? 1 : 4;
-#endif /* CONFIG_IGB_VMDQ_NETDEV */
- break;
- case e1000_i210:
- opt.arg.r.max = 4;
- break;
- case e1000_i211:
- opt.arg.r.max = 2;
- break;
- case e1000_82576:
-#ifndef CONFIG_IGB_VMDQ_NETDEV
- if (!!adapter->vmdq_pools)
- opt.arg.r.max = 2;
- break;
-#endif /* CONFIG_IGB_VMDQ_NETDEV */
- case e1000_82580:
- case e1000_i350:
- case e1000_i354:
- default:
- if (!!adapter->vmdq_pools)
- opt.arg.r.max = 1;
- break;
- }
-
- if (adapter->int_mode != IGB_INT_MODE_MSIX) {
- DPRINTK(PROBE, INFO,
- "RSS is not supported when in MSI/Legacy Interrupt mode, %s\n",
- opt.err);
- opt.arg.r.max = 1;
- }
-
-#ifdef module_param_array
- if (num_RSS > bd) {
-#endif
- adapter->rss_queues = RSS[bd];
- switch (adapter->rss_queues) {
- case 1:
- break;
- default:
- igb_validate_option(&adapter->rss_queues, &opt,
- adapter);
- if (adapter->rss_queues)
- break;
- case 0:
- adapter->rss_queues = min_t(u32, opt.arg.r.max,
- num_online_cpus());
- break;
- }
-#ifdef module_param_array
- } else {
- adapter->rss_queues = opt.def;
- }
-#endif
- }
- { /* QueuePairs - Enable Tx/Rx queue pairs for interrupt handling */
- struct igb_option opt = {
- .type = enable_option,
- .name =
- "QueuePairs - Tx/Rx queue pairs for interrupt handling",
- .err = "defaulting to Enabled",
- .def = OPTION_ENABLED
- };
-#ifdef module_param_array
- if (num_QueuePairs > bd) {
-#endif
- unsigned int qp = QueuePairs[bd];
- /*
- * We must enable queue pairs if the number of queues
- * exceeds the number of available interrupts. We are
- * limited to 10, or 3 per unallocated vf. On I210 and
- * I211 devices, we are limited to 5 interrupts.
- * However, since I211 only supports 2 queues, we do not
- * need to check and override the user option.
- */
- if (qp == OPTION_DISABLED) {
- if (adapter->rss_queues > 4)
- qp = OPTION_ENABLED;
-
- if (adapter->vmdq_pools > 4)
- qp = OPTION_ENABLED;
-
- if (adapter->rss_queues > 1 &&
- (adapter->vmdq_pools > 3 ||
- adapter->vfs_allocated_count > 6))
- qp = OPTION_ENABLED;
-
- if (hw->mac.type == e1000_i210 &&
- adapter->rss_queues > 2)
- qp = OPTION_ENABLED;
-
- if (qp == OPTION_ENABLED)
- DPRINTK(PROBE, INFO,
- "Number of queues exceeds available interrupts, %s\n",
- opt.err);
- }
- igb_validate_option(&qp, &opt, adapter);
- adapter->flags |= qp ? IGB_FLAG_QUEUE_PAIRS : 0;
-#ifdef module_param_array
- } else {
- adapter->flags |= opt.def ? IGB_FLAG_QUEUE_PAIRS : 0;
- }
-#endif
- }
- { /* EEE - Enable EEE for capable adapters */
-
- if (hw->mac.type >= e1000_i350) {
- struct igb_option opt = {
- .type = enable_option,
- .name = "EEE Support",
- .err = "defaulting to Enabled",
- .def = OPTION_ENABLED
- };
-#ifdef module_param_array
- if (num_EEE > bd) {
-#endif
- unsigned int eee = EEE[bd];
- igb_validate_option(&eee, &opt, adapter);
- adapter->flags |= eee ? IGB_FLAG_EEE : 0;
- if (eee)
- hw->dev_spec._82575.eee_disable = false;
- else
- hw->dev_spec._82575.eee_disable = true;
-
-#ifdef module_param_array
- } else {
- adapter->flags |= opt.def ? IGB_FLAG_EEE : 0;
- if (adapter->flags & IGB_FLAG_EEE)
- hw->dev_spec._82575.eee_disable = false;
- else
- hw->dev_spec._82575.eee_disable = true;
- }
-#endif
- }
- }
- { /* DMAC - Enable DMA Coalescing for capable adapters */
-
- if (hw->mac.type >= e1000_i350) {
- struct igb_opt_list list[] = {
- { IGB_DMAC_DISABLE, "DMAC Disable"},
- { IGB_DMAC_MIN, "DMAC 250 usec"},
- { IGB_DMAC_500, "DMAC 500 usec"},
- { IGB_DMAC_EN_DEFAULT, "DMAC 1000 usec"},
- { IGB_DMAC_2000, "DMAC 2000 usec"},
- { IGB_DMAC_3000, "DMAC 3000 usec"},
- { IGB_DMAC_4000, "DMAC 4000 usec"},
- { IGB_DMAC_5000, "DMAC 5000 usec"},
- { IGB_DMAC_6000, "DMAC 6000 usec"},
- { IGB_DMAC_7000, "DMAC 7000 usec"},
- { IGB_DMAC_8000, "DMAC 8000 usec"},
- { IGB_DMAC_9000, "DMAC 9000 usec"},
- { IGB_DMAC_MAX, "DMAC 10000 usec"}
- };
- struct igb_option opt = {
- .type = list_option,
- .name = "DMA Coalescing",
- .err = "using default of "
- __MODULE_STRING(IGB_DMAC_DISABLE),
- .def = IGB_DMAC_DISABLE,
- .arg = { .l = { .nr = 13,
- .p = list
- }
- }
- };
-#ifdef module_param_array
- if (num_DMAC > bd) {
-#endif
- unsigned int dmac = DMAC[bd];
- if (adapter->rx_itr_setting == IGB_DMAC_DISABLE)
- dmac = IGB_DMAC_DISABLE;
- igb_validate_option(&dmac, &opt, adapter);
- switch (dmac) {
- case IGB_DMAC_DISABLE:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_MIN:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_500:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_EN_DEFAULT:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_2000:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_3000:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_4000:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_5000:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_6000:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_7000:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_8000:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_9000:
- adapter->dmac = dmac;
- break;
- case IGB_DMAC_MAX:
- adapter->dmac = dmac;
- break;
- default:
- adapter->dmac = opt.def;
- DPRINTK(PROBE, INFO,
- "Invalid DMAC setting, resetting DMAC to %d\n",
- opt.def);
- }
-#ifdef module_param_array
- } else
- adapter->dmac = opt.def;
-#endif
- }
- }
-#ifndef IGB_NO_LRO
- { /* LRO - Enable Large Receive Offload */
- struct igb_option opt = {
- .type = enable_option,
- .name = "LRO - Large Receive Offload",
- .err = "defaulting to Disabled",
- .def = OPTION_DISABLED
- };
- struct net_device *netdev = adapter->netdev;
-#ifdef module_param_array
- if (num_LRO > bd) {
-#endif
- unsigned int lro = LRO[bd];
- igb_validate_option(&lro, &opt, adapter);
- netdev->features |= lro ? NETIF_F_LRO : 0;
-#ifdef module_param_array
- } else if (opt.def == OPTION_ENABLED) {
- netdev->features |= NETIF_F_LRO;
- }
-#endif
- }
-#endif /* IGB_NO_LRO */
- { /* MDD - Enable Malicious Driver Detection. Only available when
- SR-IOV is enabled. */
- struct igb_option opt = {
- .type = enable_option,
- .name = "Malicious Driver Detection",
- .err = "defaulting to 1",
- .def = OPTION_ENABLED,
- .arg = { .r = { .min = OPTION_DISABLED,
- .max = OPTION_ENABLED } }
- };
-
-#ifdef module_param_array
- if (num_MDD > bd) {
-#endif
- adapter->mdd = MDD[bd];
- igb_validate_option((uint *)&adapter->mdd, &opt,
- adapter);
-#ifdef module_param_array
- } else {
- adapter->mdd = opt.def;
- }
-#endif
- }
-}
-
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