This file handles command-line parameters for ixgbe.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
diff -urpN -X dontdiff a/drivers/net/ixgbe/ixgbe_param.c
b/drivers/net/ixgbe/ixgbe_param.c
--- a/drivers/net/ixgbe/ixgbe_param.c 1969-12-31 16:00:00.000000000 -0800
+++ b/drivers/net/ixgbe/ixgbe_param.c 2009-01-23 11:17:43.000000000 -0800
@@ -0,0 +1,728 @@
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2008 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/types.h>
+#include <linux/module.h>
+
+#include "ixgbe.h"
+
+/* This is the only thing that needs to be changed to adjust the
+ * maximum number of ports that the driver can manage.
+ */
+
+#define IXGBE_MAX_NIC 8
+
+#define OPTION_UNSET -1
+#define OPTION_DISABLED 0
+#define OPTION_ENABLED 1
+
+/* 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 IXGBE_PARAM_INIT { [0 ... IXGBE_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 ixgbe_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 IXGBE_PARAM(X, desc) \
+ static const int __devinitdata X[IXGBE_MAX_NIC+1] = IXGBE_PARAM_INIT; \
+ MODULE_PARM(X, "1-" __MODULE_STRING(IXGBE_MAX_NIC) "i"); \
+ MODULE_PARM_DESC(X, desc);
+#else
+#define IXGBE_PARAM(X, desc) \
+ static int __devinitdata X[IXGBE_MAX_NIC+1] = IXGBE_PARAM_INIT; \
+ static unsigned int num_##X; \
+ module_param_array_named(X, X, int, &num_##X, 0); \
+ MODULE_PARM_DESC(X, desc);
+#endif
+
+/* Interrupt Type
+ *
+ * Valid Range: 0-2
+ * - 0 - Legacy Interrupt
+ * - 1 - MSI Interrupt
+ * - 2 - MSI-X Interrupt(s)
+ *
+ * Default Value: 2
+ */
+IXGBE_PARAM(InterruptType, "Change Interrupt Mode (0=Legacy, 1=MSI,
2=MSI-X), default 2");
+#define IXGBE_INT_LEGACY 0
+#define IXGBE_INT_MSI 1
+#define IXGBE_INT_MSIX 2
+#define IXGBE_DEFAULT_INT IXGBE_INT_MSIX
+
+/* MQ - Multiple Queue enable/disable
+ *
+ * Valid Range: 0, 1
+ * - 0 - disables MQ
+ * - 1 - enables MQ
+ *
+ * Default Value: 1
+ */
+
+IXGBE_PARAM(MQ, "Disable or enable Multiple Queues, default 1");
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+/* DCA - Direct Cache Access (DCA) Enable/Disable
+ *
+ * Valid Range: 0, 1
+ * - 0 - disables DCA
+ * - 1 - enables DCA
+ *
+ * Default Value: 1
+ */
+
+IXGBE_PARAM(DCA, "Disable or enable Direct Cache Access, default 1");
+
+#endif
+/* RSS - Receive-Side Scaling (RSS) Descriptor Queues
+ *
+ * Valid Range: 0-16
+ * - 0 - disables RSS
+ * - 1 - enables RSS and sets the Desc. Q''s to min(16,
num_online_cpus()).
+ * - 2-16 - enables RSS and sets the Desc. Q''s to the specified
value.
+ *
+ * Default Value: 1
+ */
+
+IXGBE_PARAM(RSS, "Number of Receive-Side Scaling Descriptor Queues,
default 1=number of cpus");
+
+/* VMDQ - Virtual Machine Device Queues (VMDQ)
+ *
+ * Valid Range: 1-16
+ * - 1 Disables VMDQ by allocating only a single queue.
+ * - 2-16 - enables VMDQ and sets the Desc. Q''s to the specified
value.
+ *
+ * Default Value: 1
+ */
+
+IXGBE_PARAM(VMDQ, "Number of Virtual Machine Device Queues: 0/1 disable
(default), 2-16 enable");
+
+/* Interrupt Throttle Rate (interrupts/sec)
+ *
+ * Valid Range: 100-500000 (0=off)
+ *
+ * Default Value: 8000
+ */
+#define DEFAULT_ITR 8000
+IXGBE_PARAM(InterruptThrottleRate, "Maximum interrupts per second,
per vector, (100-500000), default 8000");
+#define MAX_ITR 500000
+#define MIN_ITR 100
+
+#ifndef IXGBE_NO_LLI
+/* LLIPort (Low Latency Interrupt TCP Port)
+ *
+ * Valid Range: 0 - 65535
+ *
+ * Default Value: 0 (disabled)
+ */
+IXGBE_PARAM(LLIPort, "Low Latency Interrupt TCP Port (0-65535)");
+
+#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)
+ */
+IXGBE_PARAM(LLIPush, "Low Latency Interrupt on TCP Push flag (0,1)");
+
+#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)
+ */
+IXGBE_PARAM(LLISize, "Low Latency Interrupt on Packet Size
(0-1500)");
+
+#define DEFAULT_LLISIZE 0
+#define MAX_LLISIZE 1500
+#define MIN_LLISIZE 0
+#endif /* IXGBE_NO_LLI */
+
+#ifndef IXGBE_NO_INET_LRO
+/* LROAggr (Large Receive Offload)
+ *
+ * Valid Range: 2 - 44
+ *
+ * Default Value: 32
+ */
+IXGBE_PARAM(LROAggr, "LRO - Maximum packets to aggregate");
+
+#define DEFAULT_LRO_AGGR 32
+#define MAX_LRO_AGGR 44
+#define MIN_LRO_AGGR 2
+
+#endif
+/* Rx buffer mode
+ *
+ * Valid Range: 0-2 0 = 1buf_mode_always, 1 = ps_mode_always and 2 = optimal
+ *
+ * Default Value: 2
+ */
+IXGBE_PARAM(RxBufferMode, "0=1 descriptor per packet,\n"
+ "\t\t\t1=use packet split, multiple
descriptors per jumbo frame\n"
+ "\t\t\t2 (default)=use 1buf mode for 1500
mtu, packet split for jumbo");
+
+#define IXGBE_RXBUFMODE_1BUF_ALWAYS 0
+#define IXGBE_RXBUFMODE_PS_ALWAYS 1
+#define IXGBE_RXBUFMODE_OPTIMAL 2
+#define IXGBE_DEFAULT_RXBUFMODE IXGBE_RXBUFMODE_OPTIMAL
+
+
+
+struct ixgbe_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 ixgbe_opt_list {
+ int i;
+ char *str;
+ } *p;
+ } l;
+ } arg;
+};
+
+static int __devinit ixgbe_validate_option(unsigned int *value,
+ struct ixgbe_option *opt)
+{
+ if (*value == OPTION_UNSET) {
+ *value = opt->def;
+ return 0;
+ }
+
+ switch (opt->type) {
+ case enable_option:
+ switch (*value) {
+ case OPTION_ENABLED:
+ printk(KERN_INFO "ixgbe: %s Enabled\n", opt->name);
+ return 0;
+ case OPTION_DISABLED:
+ printk(KERN_INFO "ixgbe: %s Disabled\n", opt->name);
+ return 0;
+ }
+ break;
+ case range_option:
+ if (*value >= opt->arg.r.min && *value <= opt->arg.r.max)
{
+ printk(KERN_INFO "ixgbe: %s set to %d\n", opt->name, *value);
+ return 0;
+ }
+ break;
+ case list_option: {
+ int i;
+ struct ixgbe_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'')
+ printk(KERN_INFO "%s\n", ent->str);
+ return 0;
+ }
+ }
+ }
+ break;
+ default:
+ BUG();
+ }
+
+ printk(KERN_INFO "ixgbe: Invalid %s specified (%d), %s\n",
+ opt->name, *value, opt->err);
+ *value = opt->def;
+ return -1;
+}
+
+#define LIST_LEN(l) (sizeof(l) / sizeof(l[0]))
+
+/**
+ * ixgbe_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 ixgbe_check_options(struct ixgbe_adapter *adapter)
+{
+ int bd = adapter->bd_number;
+
+ if (bd >= IXGBE_MAX_NIC) {
+ printk(KERN_NOTICE
+ "Warning: no configuration for board #%d\n", bd);
+ printk(KERN_NOTICE "Using defaults for all values\n");
+#ifndef module_param_array
+ bd = IXGBE_MAX_NIC;
+#endif
+ }
+
+ { /* Interrupt Type */
+ unsigned int i_type;
+ static struct ixgbe_option opt = {
+ .type = range_option,
+ .name = "Interrupt Type",
+ .err + "using default of "__MODULE_STRING(IXGBE_DEFAULT_INT),
+ .def = IXGBE_DEFAULT_INT,
+ .arg = { .r = { .min = IXGBE_INT_LEGACY,
+ .max = IXGBE_INT_MSIX}}
+ };
+
+#ifdef module_param_array
+ if (num_InterruptType > bd) {
+#endif
+ i_type = InterruptType[bd];
+ ixgbe_validate_option(&i_type, &opt);
+ switch (i_type) {
+ case IXGBE_INT_MSIX:
+ if (!adapter->flags & IXGBE_FLAG_MSIX_CAPABLE)
+ printk(KERN_INFO
+ "Ignoring MSI-X setting; "
+ "support unavailable.\n");
+ break;
+ case IXGBE_INT_MSI:
+ if (!adapter->flags & IXGBE_FLAG_MSI_CAPABLE) {
+ printk(KERN_INFO
+ "Ignoring MSI setting; "
+ "support unavailable.\n");
+ } else {
+ adapter->flags &= ~IXGBE_FLAG_MSIX_CAPABLE;
+ adapter->flags &= ~IXGBE_FLAG_DCB_CAPABLE;
+ }
+ break;
+ case IXGBE_INT_LEGACY:
+ default:
+ adapter->flags &= ~IXGBE_FLAG_MSIX_CAPABLE;
+ adapter->flags &= ~IXGBE_FLAG_MSI_CAPABLE;
+ adapter->flags &= ~IXGBE_FLAG_DCB_CAPABLE;
+ break;
+ }
+#ifdef module_param_array
+ } else {
+ adapter->flags |= IXGBE_FLAG_MSIX_CAPABLE;
+ adapter->flags |= IXGBE_FLAG_MSI_CAPABLE;
+ }
+#endif
+ }
+ { /* Multiple Queue Support */
+ static struct ixgbe_option opt = {
+ .type = enable_option,
+ .name = "Multiple Queue Support",
+ .err = "defaulting to Enabled",
+ .def = OPTION_ENABLED
+ };
+
+#ifdef module_param_array
+ if (num_MQ > bd) {
+#endif
+ unsigned int mq = MQ[bd];
+ ixgbe_validate_option(&mq, &opt);
+ if (mq)
+ adapter->flags |= IXGBE_FLAG_MQ_CAPABLE;
+ else
+ adapter->flags &= ~IXGBE_FLAG_MQ_CAPABLE;
+#ifdef module_param_array
+ } else {
+ if (opt.def == OPTION_ENABLED)
+ adapter->flags |= IXGBE_FLAG_MQ_CAPABLE;
+ else
+ adapter->flags &= ~IXGBE_FLAG_MQ_CAPABLE;
+ }
+#endif
+ /* Check Interoperability */
+ if ((adapter->flags & IXGBE_FLAG_MQ_CAPABLE) &&
+ !(adapter->flags & IXGBE_FLAG_MSIX_CAPABLE)) {
+ DPRINTK(PROBE, INFO,
+ "Multiple queues are not supported while MSI-X "
+ "is disabled. Disabling Multiple Queues.\n");
+ adapter->flags &= ~IXGBE_FLAG_MQ_CAPABLE;
+ }
+ }
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+ { /* Direct Cache Access (DCA) */
+ static struct ixgbe_option opt = {
+ .type = enable_option,
+ .name = "Direct Cache Access (DCA)",
+ .err = "defaulting to Enabled",
+ .def = OPTION_ENABLED
+ };
+ unsigned int dca = opt.def;
+
+#ifdef module_param_array
+ if (num_DCA > bd) {
+#endif
+ dca = DCA[bd];
+ ixgbe_validate_option(&dca, &opt);
+ if (!dca)
+ adapter->flags &= ~IXGBE_FLAG_DCA_CAPABLE;
+
+ /* Check Interoperability */
+ if (!(adapter->flags & IXGBE_FLAG_DCA_CAPABLE)) {
+ DPRINTK(PROBE, INFO, "DCA is disabled\n");
+ adapter->flags &= ~IXGBE_FLAG_DCA_ENABLED;
+ }
+#ifdef module_param_array
+ } else {
+ /* make sure to clear the capability flag if the
+ * option is disabled by default above */
+ if (opt.def == OPTION_DISABLED)
+ adapter->flags &= ~IXGBE_FLAG_DCA_CAPABLE;
+ }
+#endif
+ }
+#endif /* CONFIG_DCA or CONFIG_DCA_MODULE */
+ { /* Receive-Side Scaling (RSS) */
+ static struct ixgbe_option opt = {
+ .type = range_option,
+ .name = "Receive-Side Scaling (RSS)",
+ .err = "using default.",
+ .def = OPTION_ENABLED,
+ .arg = { .r = { .min = OPTION_DISABLED,
+ .max = IXGBE_MAX_RSS_INDICES}}
+ };
+ unsigned int rss = RSS[bd];
+
+#ifdef module_param_array
+ if (num_RSS > bd) {
+#endif
+ switch (rss) {
+ case 1:
+ /*
+ * Base it off num_online_cpus() with
+ * a hardware limit cap.
+ */
+ rss = min(IXGBE_MAX_RSS_INDICES,
+ (int)num_online_cpus());
+ break;
+ default:
+ ixgbe_validate_option(&rss, &opt);
+ break;
+ }
+ adapter->ring_feature[RING_F_RSS].indices = rss;
+ if (rss)
+ adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
+ else
+ adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
+#ifdef module_param_array
+ } else {
+ if (opt.def == OPTION_DISABLED) {
+ adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
+ } else {
+ rss = min(IXGBE_MAX_RSS_INDICES,
+ (int)num_online_cpus());
+ adapter->ring_feature[RING_F_RSS].indices = rss;
+ adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
+ }
+ }
+#endif
+ /* Check Interoperability */
+ if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) {
+ if (!(adapter->flags & IXGBE_FLAG_RSS_CAPABLE)) {
+ DPRINTK(PROBE, INFO,
+ "RSS is not supported on this "
+ "hardware. Disabling RSS.\n");
+ adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
+ adapter->ring_feature[RING_F_RSS].indices = 0;
+ } else if (!(adapter->flags & IXGBE_FLAG_MQ_CAPABLE)) {
+ DPRINTK(PROBE, INFO,
+ "RSS is not supported while multiple "
+ "queues are disabled. "
+ "Disabling RSS.\n");
+ adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
+ adapter->flags &= ~IXGBE_FLAG_DCB_CAPABLE;
+ adapter->ring_feature[RING_F_RSS].indices = 0;
+ }
+ }
+ }
+ { /* Virtual Machine Device Queues (VMDQ) */
+ static struct ixgbe_option opt = {
+ .type = range_option,
+ .name = "Virtual Machine Device Queues (VMDQ)",
+ .err = "defaulting to Disabled",
+ .def = OPTION_DISABLED,
+ .arg = { .r = { .min = OPTION_DISABLED,
+ .max = IXGBE_MAX_VMDQ_INDICES}}
+ };
+
+#ifdef module_param_array
+ if (num_VMDQ > bd) {
+#endif
+ unsigned int vmdq = VMDQ[bd];
+ ixgbe_validate_option(&vmdq, &opt);
+ adapter->ring_feature[RING_F_VMDQ].indices = vmdq;
+ /* zero or one both mean disabled from our driver''s
+ * perspective */
+ if (vmdq > 1)
+ adapter->flags |= IXGBE_FLAG_VMDQ_ENABLED;
+ else
+ adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
+#ifdef module_param_array
+ } else {
+ if (opt.def == OPTION_DISABLED) {
+ adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
+ } else {
+ adapter->ring_feature[RING_F_VMDQ].indices = 8;
+ adapter->flags |= IXGBE_FLAG_VMDQ_ENABLED;
+ }
+ }
+#endif
+ /* Check Interoperability */
+ if (adapter->flags & IXGBE_FLAG_VMDQ_ENABLED) {
+ if (!(adapter->flags & IXGBE_FLAG_VMDQ_CAPABLE)) {
+ DPRINTK(PROBE, INFO,
+ "VMDQ is not supported on this "
+ "hardware. Disabling VMDQ.\n");
+ adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
+ adapter->ring_feature[RING_F_VMDQ].indices = 0;
+ } else if (!(adapter->flags & IXGBE_FLAG_MQ_CAPABLE)) {
+ DPRINTK(PROBE, INFO,
+ "VMDQ is not supported while multiple "
+ "queues are disabled. "
+ "Disabling VMDQ.\n");
+ adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
+ adapter->ring_feature[RING_F_VMDQ].indices = 0;
+ }
+ /* for now, disable RSS when using VMDQ mode */
+ adapter->flags &= ~IXGBE_FLAG_RSS_CAPABLE;
+ adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
+ }
+ }
+ { /* Interrupt Throttling Rate */
+ static struct ixgbe_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 }}
+ };
+ u32 eitr;
+
+#ifdef module_param_array
+ if (num_InterruptThrottleRate > bd) {
+#endif
+ eitr = InterruptThrottleRate[bd];
+ switch (eitr) {
+ case 0:
+ DPRINTK(PROBE, INFO, "%s turned off\n",
+ opt.name);
+ /* zero is a special value, we don''t want to
+ * turn off ITR completely, just set it to an
+ * insane interrupt rate (like 3.5 Million
+ * ints/s */
+ eitr = EITR_REG_TO_INTS_PER_SEC(1);
+ break;
+ case 1:
+ DPRINTK(PROBE, INFO, "dynamic interrupt "
+ "throttling enabled\n");
+ adapter->itr_setting = 1;
+ eitr = DEFAULT_ITR;
+ break;
+ default:
+ ixgbe_validate_option(&eitr, &opt);
+ break;
+ }
+#ifdef module_param_array
+ } else {
+ eitr = DEFAULT_ITR;
+ }
+#endif
+ adapter->eitr_param = eitr;
+ }
+#ifndef IXGBE_NO_LLI
+ { /* Low Latency Interrupt TCP Port*/
+ static struct ixgbe_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) {
+ ixgbe_validate_option(&adapter->lli_port, &opt);
+ } 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 */
+ static struct ixgbe_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) {
+ ixgbe_validate_option(&adapter->lli_size, &opt);
+ } 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*/
+ static struct ixgbe_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];
+ ixgbe_validate_option(&lli_push, &opt);
+ if (lli_push)
+ adapter->flags |= IXGBE_FLAG_LLI_PUSH;
+ else
+ adapter->flags &= ~IXGBE_FLAG_LLI_PUSH;
+#ifdef module_param_array
+ } else {
+ if (opt.def == OPTION_ENABLED)
+ adapter->flags |= IXGBE_FLAG_LLI_PUSH;
+ else
+ adapter->flags &= ~IXGBE_FLAG_LLI_PUSH;
+ }
+#endif
+ }
+#endif /* IXGBE_NO_LLI */
+#ifndef IXGBE_NO_INET_LRO
+ { /* Large Receive Offload - Maximum packets to aggregate */
+ static struct ixgbe_option opt = {
+ .type = range_option,
+ .name = "LRO - Maximum packets to aggregate",
+ .err = "using default of " __MODULE_STRING(DEFAULT_LRO_AGGR),
+ .def = DEFAULT_LRO_AGGR,
+ .arg = { .r = { .min = MIN_LRO_AGGR,
+ .max = MAX_LRO_AGGR }}
+ };
+
+#ifdef module_param_array
+ if (num_LROAggr > bd) {
+#endif
+ adapter->lro_max_aggr = LROAggr[bd];
+ if (adapter->lro_max_aggr) {
+ ixgbe_validate_option(&adapter->lro_max_aggr, &opt);
+ } else {
+ DPRINTK(PROBE, INFO, "%s turned off\n",
+ opt.name);
+ }
+#ifdef module_param_array
+ } else {
+ adapter->lro_max_aggr = opt.def;
+ }
+#endif
+ }
+#endif /* IXGBE_NO_INET_LRO */
+ { /* Rx buffer mode */
+ unsigned int rx_buf_mode;
+ static struct ixgbe_option opt = {
+ .type = range_option,
+ .name = "Rx buffer mode",
+ .err = "using default of "
+ __MODULE_STRING(IXGBE_DEFAULT_RXBUFMODE),
+ .def = IXGBE_DEFAULT_RXBUFMODE,
+ .arg = {.r = {.min = IXGBE_RXBUFMODE_1BUF_ALWAYS,
+ .max = IXGBE_RXBUFMODE_OPTIMAL}}
+ };
+
+#ifdef module_param_array
+ if (num_RxBufferMode > bd) {
+#endif
+ rx_buf_mode = RxBufferMode[bd];
+ ixgbe_validate_option(&rx_buf_mode, &opt);
+ switch (rx_buf_mode) {
+ case IXGBE_RXBUFMODE_OPTIMAL:
+ adapter->flags |= IXGBE_FLAG_RX_1BUF_CAPABLE;
+ adapter->flags |= IXGBE_FLAG_RX_PS_CAPABLE;
+ break;
+ case IXGBE_RXBUFMODE_PS_ALWAYS:
+ adapter->flags |= IXGBE_FLAG_RX_PS_CAPABLE;
+ break;
+ case IXGBE_RXBUFMODE_1BUF_ALWAYS:
+ adapter->flags |= IXGBE_FLAG_RX_1BUF_CAPABLE;
+ default:
+ break;
+ }
+#ifdef module_param_array
+ } else {
+ adapter->flags |= IXGBE_FLAG_RX_1BUF_CAPABLE;
+ adapter->flags |= IXGBE_FLAG_RX_PS_CAPABLE;
+ }
+#endif
+ }
+}
+
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