/*******************************************************************************
-
- Copyright(c) 1999 - 2003 Intel Corporation. All rights reserved.
-
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your option)
- any later version.
-
- This program is distributed in the hope that 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
+ Intel PRO/10GbE Linux driver
+ Copyright(c) 1999 - 2006 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., 59
- Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- The full GNU General Public License is included in this distribution in the
- file called LICENSE.
-
+ 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 "ixgb.h"
* maximum number of ports that the driver can manage.
*/
-#define IXGB_MAX_NIC 8
+#define IXGB_MAX_NIC 8
-#define OPTION_UNSET -1
-#define OPTION_DISABLED 0
-#define OPTION_ENABLED 1
-
-/* 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 ixgb_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 IXGB_PARAM_INIT { [0 ... IXGB_MAX_NIC] = OPTION_UNSET }
+#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 IXGB_PARAM(X, S) \
-static const int __devinitdata X[IXGB_MAX_NIC + 1] = IXGB_PARAM_INIT; \
-MODULE_PARM(X, "1-" __MODULE_STRING(IXGB_MAX_NIC) "i"); \
-MODULE_PARM_DESC(X, S);
+#define IXGB_PARAM_INIT { [0 ... IXGB_MAX_NIC] = OPTION_UNSET }
+#define IXGB_PARAM(X, desc) \
+ static int __devinitdata X[IXGB_MAX_NIC+1] = IXGB_PARAM_INIT; \
+ static int num_##X = 0; \
+ module_param_array_named(X, X, int, &num_##X, 0); \
+ MODULE_PARM_DESC(X, desc);
/* Transmit Descriptor Count
*
* - 2 - Tx only, generate PAUSE frames but ignore them on receive
* - 3 - Full Flow Control Support
*
- * Default Value: Read flow control settings from the EEPROM
+ * Default Value: 2 - Tx only (silicon bug avoidance)
*/
IXGB_PARAM(FlowControl, "Flow Control setting");
IXGB_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
-/* XsumTX - Transmit Checksum Offload Enable/Disable
+/* Transmit Interrupt Delay in units of 0.8192 microseconds
*
- * Valid Range: 0, 1
- * - 0 - disables all checksum offload
- * - 1 - enables transmmit IP/TCP/UDP checksum offload
- * on 82597 based NICs
+ * Valid Range: 0-65535
*
- * Default Value: 1
+ * Default Value: 32
*/
-IXGB_PARAM(XsumTX, "Disable or enable Transmit Checksum offload");
+IXGB_PARAM(TxIntDelay, "Transmit Interrupt Delay");
/* Receive Interrupt Delay in units of 0.8192 microseconds
*
IXGB_PARAM(RxIntDelay, "Receive Interrupt Delay");
-/* Receive Interrupt Moderation enable (uses RxIntDelay too)
- *
- * Valid Range: 0,1
- *
- * Default Value: 1
- */
-
-IXGB_PARAM(RAIDC, "Disable or enable Receive Interrupt Moderation");
-
/* Receive Flow control high threshold (when we send a pause frame)
* (FCRTH)
*
*
* Valid Range: 1 - 65535
*
- * Default Value: 256 (0x100)
+ * Default Value: 65535 (0xffff) (we'll send an xon if we recover)
*/
IXGB_PARAM(FCReqTimeout, "Flow Control Request Timeout");
-/* Transmit Interrupt Delay in units of 0.8192 microseconds
- *
- * Valid Range: 0-65535
- *
- * Default Value: 32
- */
-
-IXGB_PARAM(TxIntDelay, "Transmit Interrupt Delay");
-
/* Interrupt Delay Enable
*
* Valid Range: 0, 1
IXGB_PARAM(IntDelayEnable, "Transmit Interrupt Delay Enable");
-#define DEFAULT_TXD 256
-#define MAX_TXD 4096
-#define MIN_TXD 64
-#define DEFAULT_RXD 1024
-#define MAX_RXD 4096
-#define MIN_RXD 64
-#define DEFAULT_TIDV 32
-#define MAX_TIDV 0xFFFF
+
+#define DEFAULT_TIDV 32
+#define MAX_TIDV 0xFFFF
#define MIN_TIDV 0
-#define DEFAULT_RDTR 72
+
+#define DEFAULT_RDTR 72
#define MAX_RDTR 0xFFFF
#define MIN_RDTR 0
+
#define XSUMRX_DEFAULT OPTION_ENABLED
-#define FLOW_CONTROL_FULL ixgb_fc_full
-#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
-#define DEFAULT_FCRTL 0x28000
+
+#define DEFAULT_FCRTL 0x28000
#define DEFAULT_FCRTH 0x30000
#define MIN_FCRTL 0
#define MAX_FCRTL 0x3FFE8
#define MIN_FCRTH 8
#define MAX_FCRTH 0x3FFF0
-#define DEFAULT_FCPAUSE 0x100
+
#define MIN_FCPAUSE 1
#define MAX_FCPAUSE 0xffff
+#define DEFAULT_FCPAUSE 0xFFFF /* this may be too long */
struct ixgb_option {
enum { enable_option, range_option, list_option } type;
char *err;
int def;
union {
- struct { /* range option information */
+ struct { /* range_option info */
int min;
int max;
} r;
- struct { /* list option information */
+ struct { /* list_option info */
int nr;
struct ixgb_opt_list {
int i;
static int __devinit
ixgb_validate_option(int *value, struct ixgb_option *opt)
{
- if (*value == OPTION_UNSET) {
+ if(*value == OPTION_UNSET) {
*value = opt->def;
return 0;
}
}
break;
case range_option:
- if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
+ if(*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
printk(KERN_INFO "%s set to %i\n", opt->name, *value);
return 0;
}
break;
- case list_option:
- {
- int i;
- struct ixgb_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",
- ent->str);
- return 0;
- }
+ case list_option: {
+ int i;
+ struct ixgb_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 "Invalid %s specified (%i) %s\n", opt->name, *value,
- opt->err);
+ printk(KERN_INFO "Invalid %s specified (%i) %s\n",
+ opt->name, *value, opt->err);
*value = opt->def;
return -1;
}
* ixgb_check_options - Range Checking for Command Line Parameters
* @adapter: board private structure
*
- * This routine checks all command line paramters for valid user
+ * 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
ixgb_check_options(struct ixgb_adapter *adapter)
{
- int board = adapter->bd_number;
-
- IXGB_DBG("ixgb_check_options\n");
-
- if (board >= IXGB_MAX_NIC) {
- printk(KERN_NOTICE "Warning: no configuration for board #%i\n",
- board);
+ int bd = adapter->bd_number;
+ if(bd >= IXGB_MAX_NIC) {
+ printk(KERN_NOTICE
+ "Warning: no configuration for board #%i\n", bd);
printk(KERN_NOTICE "Using defaults for all values\n");
- board = IXGB_MAX_NIC;
}
- { /* Transmit Descriptor Count */
+ { /* Transmit Descriptor Count */
struct ixgb_option opt = {
.type = range_option,
.name = "Transmit Descriptors",
- .err = "using default of " __MODULE_STRING(DEFAULT_TXD),
- .def = DEFAULT_TXD,
- .arg = {.r = {.min = MIN_TXD,.max = MAX_TXD}}
+ .err = "using default of " __MODULE_STRING(DEFAULT_TXD),
+ .def = DEFAULT_TXD,
+ .arg = { .r = { .min = MIN_TXD,
+ .max = MAX_TXD}}
};
struct ixgb_desc_ring *tx_ring = &adapter->tx_ring;
- tx_ring->count = TxDescriptors[board];
- ixgb_validate_option(&tx_ring->count, &opt);
+ if(num_TxDescriptors > bd) {
+ tx_ring->count = TxDescriptors[bd];
+ ixgb_validate_option(&tx_ring->count, &opt);
+ } else {
+ tx_ring->count = opt.def;
+ }
IXGB_ROUNDUP(tx_ring->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
}
-
- { /* Receive Descriptor Count */
+ { /* Receive Descriptor Count */
struct ixgb_option opt = {
.type = range_option,
.name = "Receive Descriptors",
- .err = "using default of " __MODULE_STRING(DEFAULT_RXD),
- .def = DEFAULT_RXD,
- .arg = {.r = {.min = MIN_RXD,.max = MAX_RXD}}
+ .err = "using default of " __MODULE_STRING(DEFAULT_RXD),
+ .def = DEFAULT_RXD,
+ .arg = { .r = { .min = MIN_RXD,
+ .max = MAX_RXD}}
};
struct ixgb_desc_ring *rx_ring = &adapter->rx_ring;
- rx_ring->count = RxDescriptors[board];
- ixgb_validate_option(&rx_ring->count, &opt);
+ if(num_RxDescriptors > bd) {
+ rx_ring->count = RxDescriptors[bd];
+ ixgb_validate_option(&rx_ring->count, &opt);
+ } else {
+ rx_ring->count = opt.def;
+ }
IXGB_ROUNDUP(rx_ring->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
}
-
- { /* Receive Checksum Offload Enable */
+ { /* Receive Checksum Offload Enable */
struct ixgb_option opt = {
.type = enable_option,
.name = "Receive Checksum Offload",
- .err = "defaulting to Enabled",
- .def = OPTION_ENABLED,
+ .err = "defaulting to Enabled",
+ .def = OPTION_ENABLED
};
- int rx_csum = XsumRX[board];
-
- ixgb_validate_option(&rx_csum, &opt);
- adapter->rx_csum = rx_csum;
- }
- { /* Transmit Checksum Offload Enable */
- struct ixgb_option opt = {
- .type = enable_option,
- .name = "Transmit Checksum Offload",
- .err = "defaulting to Enabled",
- .def = OPTION_ENABLED,
- };
- int tx_csum = XsumTX[board];
-
- ixgb_validate_option(&tx_csum, &opt);
- adapter->tx_csum = tx_csum;
+ if(num_XsumRX > bd) {
+ int rx_csum = XsumRX[bd];
+ ixgb_validate_option(&rx_csum, &opt);
+ adapter->rx_csum = rx_csum;
+ } else {
+ adapter->rx_csum = opt.def;
+ }
}
+ { /* Flow Control */
- { /* Flow Control */
- struct ixgb_opt_list fc_list[] = {
- {ixgb_fc_none, "Flow Control Disabled\n"},
- {ixgb_fc_rx_pause, "Flow Control Receive Only\n"},
- {ixgb_fc_tx_pause, "Flow Control Transmit Only\n"},
- {ixgb_fc_full, "Flow Control Enabled\n"},
- {ixgb_fc_default, "Flow Control Hardware Default\n"}
- };
+ struct ixgb_opt_list fc_list[] =
+ {{ ixgb_fc_none, "Flow Control Disabled" },
+ { ixgb_fc_rx_pause,"Flow Control Receive Only" },
+ { ixgb_fc_tx_pause,"Flow Control Transmit Only" },
+ { ixgb_fc_full, "Flow Control Enabled" },
+ { ixgb_fc_default, "Flow Control Hardware Default" }};
struct ixgb_option opt = {
.type = list_option,
.name = "Flow Control",
- .err = "reading default settings from EEPROM",
- .def = ixgb_fc_full,
- .arg = {.l = {.nr = LIST_LEN(fc_list),.p = fc_list}}
+ .err = "reading default settings from EEPROM",
+ .def = ixgb_fc_tx_pause,
+ .arg = { .l = { .nr = LIST_LEN(fc_list),
+ .p = fc_list }}
};
- int fc = FlowControl[board];
-
- ixgb_validate_option(&fc, &opt);
- adapter->hw.fc.type = fc;
+ if(num_FlowControl > bd) {
+ int fc = FlowControl[bd];
+ ixgb_validate_option(&fc, &opt);
+ adapter->hw.fc.type = fc;
+ } else {
+ adapter->hw.fc.type = opt.def;
+ }
}
- { /* Receive Flow Control High Threshold */
- struct ixgb_option fcrth = {
+ { /* Receive Flow Control High Threshold */
+ struct ixgb_option opt = {
.type = range_option,
.name = "Rx Flow Control High Threshold",
- .err =
- "using default of " __MODULE_STRING(DEFAULT_FCRTH),
- .def = DEFAULT_FCRTH,
- .arg = {.r = {.min = MIN_FCRTH,.max = MAX_FCRTH}}
+ .err = "using default of " __MODULE_STRING(DEFAULT_FCRTH),
+ .def = DEFAULT_FCRTH,
+ .arg = { .r = { .min = MIN_FCRTH,
+ .max = MAX_FCRTH}}
};
- adapter->hw.fc.high_water = RxFCHighThresh[board];
- ixgb_validate_option(&adapter->hw.fc.high_water, &fcrth);
- if (!(adapter->hw.fc.type & ixgb_fc_rx_pause))
- printk(KERN_INFO
- "Ignoring RxFCHighThresh when no RxFC\n");
+ if(num_RxFCHighThresh > bd) {
+ adapter->hw.fc.high_water = RxFCHighThresh[bd];
+ ixgb_validate_option(&adapter->hw.fc.high_water, &opt);
+ } else {
+ adapter->hw.fc.high_water = opt.def;
+ }
+ if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) )
+ printk (KERN_INFO
+ "Ignoring RxFCHighThresh when no RxFC\n");
}
- { /* Receive Flow Control Low Threshold */
- struct ixgb_option fcrtl = {
+ { /* Receive Flow Control Low Threshold */
+ struct ixgb_option opt = {
.type = range_option,
.name = "Rx Flow Control Low Threshold",
- .err =
- "using default of " __MODULE_STRING(DEFAULT_FCRTL),
- .def = DEFAULT_FCRTL,
- .arg = {.r = {.min = MIN_FCRTL,.max = MAX_FCRTL}}
+ .err = "using default of " __MODULE_STRING(DEFAULT_FCRTL),
+ .def = DEFAULT_FCRTL,
+ .arg = { .r = { .min = MIN_FCRTL,
+ .max = MAX_FCRTL}}
};
- adapter->hw.fc.low_water = RxFCLowThresh[board];
- ixgb_validate_option(&adapter->hw.fc.low_water, &fcrtl);
- if (!(adapter->hw.fc.type & ixgb_fc_rx_pause))
- printk(KERN_INFO
- "Ignoring RxFCLowThresh when no RxFC\n");
+ if(num_RxFCLowThresh > bd) {
+ adapter->hw.fc.low_water = RxFCLowThresh[bd];
+ ixgb_validate_option(&adapter->hw.fc.low_water, &opt);
+ } else {
+ adapter->hw.fc.low_water = opt.def;
+ }
+ if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) )
+ printk (KERN_INFO
+ "Ignoring RxFCLowThresh when no RxFC\n");
}
- { /* Flow Control Pause Time Request */
- struct ixgb_option fcpap = {
+ { /* Flow Control Pause Time Request*/
+ struct ixgb_option opt = {
.type = range_option,
.name = "Flow Control Pause Time Request",
- .err =
- "using default of "
- __MODULE_STRING(DEFAULT_FCPAUSE),
- .def = DEFAULT_FCPAUSE,
- .arg = {.r = {.min = MIN_FCPAUSE,.max = MAX_FCPAUSE}}
+ .err = "using default of "__MODULE_STRING(DEFAULT_FCPAUSE),
+ .def = DEFAULT_FCPAUSE,
+ .arg = { .r = { .min = MIN_FCPAUSE,
+ .max = MAX_FCPAUSE}}
};
- int pause_time = FCReqTimeout[board];
-
- ixgb_validate_option(&pause_time, &fcpap);
- if (!(adapter->hw.fc.type & ixgb_fc_rx_pause))
- printk(KERN_INFO
- "Ignoring FCReqTimeout when no RxFC\n");
- adapter->hw.fc.pause_time = pause_time;
+ if(num_FCReqTimeout > bd) {
+ int pause_time = FCReqTimeout[bd];
+ ixgb_validate_option(&pause_time, &opt);
+ adapter->hw.fc.pause_time = pause_time;
+ } else {
+ adapter->hw.fc.pause_time = opt.def;
+ }
+ if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) )
+ printk (KERN_INFO
+ "Ignoring FCReqTimeout when no RxFC\n");
}
/* high low and spacing check for rx flow control thresholds */
- if (adapter->hw.fc.type & ixgb_fc_rx_pause) {
+ if (adapter->hw.fc.type & ixgb_fc_tx_pause) {
/* high must be greater than low */
if (adapter->hw.fc.high_water < (adapter->hw.fc.low_water + 8)) {
/* set defaults */
- printk(KERN_INFO
- "RxFCHighThresh must be >= (RxFCLowThresh + 8), "
- "Using Defaults\n");
+ printk (KERN_INFO
+ "RxFCHighThresh must be >= (RxFCLowThresh + 8), "
+ "Using Defaults\n");
adapter->hw.fc.high_water = DEFAULT_FCRTH;
- adapter->hw.fc.low_water = DEFAULT_FCRTL;
+ adapter->hw.fc.low_water = DEFAULT_FCRTL;
}
}
- { /* Receive Interrupt Delay */
+ { /* Receive Interrupt Delay */
struct ixgb_option opt = {
.type = range_option,
.name = "Receive Interrupt Delay",
- .err =
- "using default of " __MODULE_STRING(DEFAULT_RDTR),
- .def = DEFAULT_RDTR,
- .arg = {.r = {.min = MIN_RDTR,.max = MAX_RDTR}}
+ .err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
+ .def = DEFAULT_RDTR,
+ .arg = { .r = { .min = MIN_RDTR,
+ .max = MAX_RDTR}}
};
- adapter->rx_int_delay = RxIntDelay[board];
- ixgb_validate_option(&adapter->rx_int_delay, &opt);
- }
- { /* Receive Interrupt Moderation */
- struct ixgb_option opt = {
- .type = enable_option,
- .name = "Advanced Receive Interrupt Moderation",
- .err = "defaulting to Enabled",
- .def = OPTION_ENABLED,
- };
- int raidc = RAIDC[board];
-
- ixgb_validate_option(&raidc, &opt);
- adapter->raidc = raidc;
+ if(num_RxIntDelay > bd) {
+ adapter->rx_int_delay = RxIntDelay[bd];
+ ixgb_validate_option(&adapter->rx_int_delay, &opt);
+ } else {
+ adapter->rx_int_delay = opt.def;
+ }
}
-
- { /* Transmit Interrupt Delay */
+ { /* Transmit Interrupt Delay */
struct ixgb_option opt = {
.type = range_option,
.name = "Transmit Interrupt Delay",
- .err =
- "using default of " __MODULE_STRING(DEFAULT_TIDV),
- .def = DEFAULT_TIDV,
- .arg = {.r = {.min = MIN_TIDV,.max = MAX_TIDV}}
+ .err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
+ .def = DEFAULT_TIDV,
+ .arg = { .r = { .min = MIN_TIDV,
+ .max = MAX_TIDV}}
};
- adapter->tx_int_delay = TxIntDelay[board];
- ixgb_validate_option(&adapter->tx_int_delay, &opt);
+ if(num_TxIntDelay > bd) {
+ adapter->tx_int_delay = TxIntDelay[bd];
+ ixgb_validate_option(&adapter->tx_int_delay, &opt);
+ } else {
+ adapter->tx_int_delay = opt.def;
+ }
}
- { /* Transmit Interrupt Delay Enable */
+ { /* Transmit Interrupt Delay Enable */
struct ixgb_option opt = {
.type = enable_option,
.name = "Tx Interrupt Delay Enable",
- .err = "defaulting to Enabled",
- .def = OPTION_ENABLED,
+ .err = "defaulting to Enabled",
+ .def = OPTION_ENABLED
};
- int ide = IntDelayEnable[board];
- ixgb_validate_option(&ide, &opt);
- adapter->tx_int_delay_enable = ide;
+ if(num_IntDelayEnable > bd) {
+ int ide = IntDelayEnable[bd];
+ ixgb_validate_option(&ide, &opt);
+ adapter->tx_int_delay_enable = ide;
+ } else {
+ adapter->tx_int_delay_enable = opt.def;
+ }
}
}
git://git.onelab.eu / linux-2.6.git / blobdiff