--- /dev/null
+/*******************************************************************************
+
+ Intel(R) Gigabit Ethernet Linux driver
+ Copyright(c) 2007-2013 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:
+ 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 (0-8), default 1, 0=number of cpus");
+
+#define DEFAULT_RSS 1
+#define MAX_RSS 8
+#define MIN_RSS 0
+
+/* 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");
+ 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
+ }
+}
Code Review / deb_dpdk.git / blobdiff