fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / drivers / net / e1000 / e1000_param.c
index e914d09..cf2a279 100644 (file)
@@ -1,27 +1,27 @@
 /*******************************************************************************
 
-  
-  Copyright(c) 1999 - 2004 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/1000 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
 
 *******************************************************************************/
@@ -57,7 +57,6 @@
  *
  * Default Value: 256
  */
-
 E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
 
 /* Receive Descriptor Count
@@ -67,7 +66,6 @@ E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
  *
  * Default Value: 256
  */
-
 E1000_PARAM(RxDescriptors, "Number of receive descriptors");
 
 /* User Specified Speed Override
@@ -80,7 +78,6 @@ E1000_PARAM(RxDescriptors, "Number of receive descriptors");
  *
  * Default Value: 0
  */
-
 E1000_PARAM(Speed, "Speed setting");
 
 /* User Specified Duplex Override
@@ -92,7 +89,6 @@ E1000_PARAM(Speed, "Speed setting");
  *
  * Default Value: 0
  */
-
 E1000_PARAM(Duplex, "Duplex setting");
 
 /* Auto-negotiation Advertisement Override
@@ -109,8 +105,9 @@ E1000_PARAM(Duplex, "Duplex setting");
  *
  * Default Value: 0x2F (copper); 0x20 (fiber)
  */
-
 E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
+#define AUTONEG_ADV_DEFAULT  0x2F
+#define AUTONEG_ADV_MASK     0x2F
 
 /* User Specified Flow Control Override
  *
@@ -122,8 +119,8 @@ E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
  *
  * Default Value: Read flow control settings from the EEPROM
  */
-
 E1000_PARAM(FlowControl, "Flow Control setting");
+#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
 
 /* XsumRX - Receive Checksum Offload Enable/Disable
  *
@@ -134,78 +131,71 @@ E1000_PARAM(FlowControl, "Flow Control setting");
  *
  * Default Value: 1
  */
-
 E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
 
 /* 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
- *
- * Default Value: 64
  */
-
 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
- *
- * Default Value: 0
  */
-
 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
- *
- * Default Value: 0
  */
-
 E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
+#define DEFAULT_RDTR                   0
+#define MAX_RXDELAY               0xFFFF
+#define MIN_RXDELAY                    0
 
 /* Receive Absolute Interrupt Delay in units of 1.024 microseconds
  *
  * Valid Range: 0-65535
- *
- * Default Value: 128
  */
-
 E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
+#define DEFAULT_RADV                   8
+#define MAX_RXABSDELAY            0xFFFF
+#define MIN_RXABSDELAY                 0
 
 /* Interrupt Throttle Rate (interrupts/sec)
  *
- * Valid Range: 100-100000 (0=off, 1=dynamic)
- *
- * Default Value: 1
+ * Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
  */
-
 E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
-
-#define AUTONEG_ADV_DEFAULT  0x2F
-#define AUTONEG_ADV_MASK     0x2F
-#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
-
-#define DEFAULT_RDTR                   0
-#define MAX_RXDELAY               0xFFFF
-#define MIN_RXDELAY                    0
-
-#define DEFAULT_RADV                 128
-#define MAX_RXABSDELAY            0xFFFF
-#define MIN_RXABSDELAY                 0
-
-#define DEFAULT_TIDV                  64
-#define MAX_TXDELAY               0xFFFF
-#define MIN_TXDELAY                    0
-
-#define DEFAULT_TADV                  64
-#define MAX_TXABSDELAY            0xFFFF
-#define MIN_TXABSDELAY                 0
-
-#define DEFAULT_ITR                 8000
+#define DEFAULT_ITR                    3
 #define MAX_ITR                   100000
 #define MIN_ITR                      100
 
+/* 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");
+
 struct e1000_option {
        enum { enable_option, range_option, list_option } type;
        char *name;
@@ -227,7 +217,7 @@ static int __devinit
 e1000_validate_option(int *value, struct e1000_option *opt,
                struct e1000_adapter *adapter)
 {
-       if(*value == OPTION_UNSET) {
+       if (*value == OPTION_UNSET) {
                *value = opt->def;
                return 0;
        }
@@ -244,7 +234,7 @@ e1000_validate_option(int *value, struct e1000_option *opt,
                }
                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) {
                        DPRINTK(PROBE, INFO,
                                        "%s set to %i\n", opt->name, *value);
                        return 0;
@@ -254,10 +244,10 @@ e1000_validate_option(int *value, struct e1000_option *opt,
                int i;
                struct e1000_opt_list *ent;
 
-               for(i = 0; i < opt->arg.l.nr; i++) {
+               for (i = 0; i < opt->arg.l.nr; i++) {
                        ent = &opt->arg.l.p[i];
-                       if(*value == ent->i) {
-                               if(ent->str[0] != '\0')
+                       if (*value == ent->i) {
+                               if (ent->str[0] != '\0')
                                        DPRINTK(PROBE, INFO, "%s\n", ent->str);
                                return 0;
                        }
@@ -268,7 +258,7 @@ e1000_validate_option(int *value, struct e1000_option *opt,
                BUG();
        }
 
-       DPRINTK(PROBE, INFO, "Invalid %s specified (%i) %s\n",
+       DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
               opt->name, *value, opt->err);
        *value = opt->def;
        return -1;
@@ -291,7 +281,7 @@ void __devinit
 e1000_check_options(struct e1000_adapter *adapter)
 {
        int bd = adapter->bd_number;
-       if(bd >= E1000_MAX_NIC) {
+       if (bd >= E1000_MAX_NIC) {
                DPRINTK(PROBE, NOTICE,
                       "Warning: no configuration for board #%i\n", bd);
                DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
@@ -306,7 +296,8 @@ e1000_check_options(struct e1000_adapter *adapter)
                        .def  = E1000_DEFAULT_TXD,
                        .arg  = { .r = { .min = E1000_MIN_TXD }}
                };
-               struct e1000_desc_ring *tx_ring = &adapter->tx_ring;
+               struct e1000_tx_ring *tx_ring = adapter->tx_ring;
+               int i;
                e1000_mac_type mac_type = adapter->hw.mac_type;
                opt.arg.r.max = mac_type < e1000_82544 ?
                        E1000_MAX_TXD : E1000_MAX_82544_TXD;
@@ -314,11 +305,13 @@ e1000_check_options(struct e1000_adapter *adapter)
                if (num_TxDescriptors > bd) {
                        tx_ring->count = TxDescriptors[bd];
                        e1000_validate_option(&tx_ring->count, &opt, adapter);
-                       E1000_ROUNDUP(tx_ring->count, 
+                       E1000_ROUNDUP(tx_ring->count,
                                                REQ_TX_DESCRIPTOR_MULTIPLE);
                } else {
                        tx_ring->count = opt.def;
                }
+               for (i = 0; i < adapter->num_tx_queues; i++)
+                       tx_ring[i].count = tx_ring->count;
        }
        { /* Receive Descriptor Count */
                struct e1000_option opt = {
@@ -329,7 +322,8 @@ e1000_check_options(struct e1000_adapter *adapter)
                        .def  = E1000_DEFAULT_RXD,
                        .arg  = { .r = { .min = E1000_MIN_RXD }}
                };
-               struct e1000_desc_ring *rx_ring = &adapter->rx_ring;
+               struct e1000_rx_ring *rx_ring = adapter->rx_ring;
+               int i;
                e1000_mac_type mac_type = adapter->hw.mac_type;
                opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
                        E1000_MAX_82544_RXD;
@@ -337,11 +331,13 @@ e1000_check_options(struct e1000_adapter *adapter)
                if (num_RxDescriptors > bd) {
                        rx_ring->count = RxDescriptors[bd];
                        e1000_validate_option(&rx_ring->count, &opt, adapter);
-                       E1000_ROUNDUP(rx_ring->count, 
+                       E1000_ROUNDUP(rx_ring->count,
                                                REQ_RX_DESCRIPTOR_MULTIPLE);
                } else {
                        rx_ring->count = opt.def;
                }
+               for (i = 0; i < adapter->num_rx_queues; i++)
+                       rx_ring[i].count = rx_ring->count;
        }
        { /* Checksum Offload Enable/Disable */
                struct e1000_option opt = {
@@ -362,17 +358,17 @@ e1000_check_options(struct e1000_adapter *adapter)
        { /* Flow Control */
 
                struct e1000_opt_list fc_list[] =
-                       {{ e1000_fc_none,    "Flow Control Disabled" },
-                        { e1000_fc_rx_pause,"Flow Control Receive Only" },
-                        { e1000_fc_tx_pause,"Flow Control Transmit Only" },
-                        { e1000_fc_full,    "Flow Control Enabled" },
-                        { e1000_fc_default, "Flow Control Hardware Default" }};
+                       {{ E1000_FC_NONE,    "Flow Control Disabled" },
+                        { E1000_FC_RX_PAUSE,"Flow Control Receive Only" },
+                        { E1000_FC_TX_PAUSE,"Flow Control Transmit Only" },
+                        { E1000_FC_FULL,    "Flow Control Enabled" },
+                        { E1000_FC_DEFAULT, "Flow Control Hardware Default" }};
 
                struct e1000_option opt = {
                        .type = list_option,
                        .name = "Flow Control",
                        .err  = "reading default settings from EEPROM",
-                       .def  = e1000_fc_default,
+                       .def  = E1000_FC_DEFAULT,
                        .arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
                                         .p = fc_list }}
                };
@@ -382,7 +378,7 @@ e1000_check_options(struct e1000_adapter *adapter)
                        e1000_validate_option(&fc, &opt, adapter);
                        adapter->hw.fc = adapter->hw.original_fc = fc;
                } else {
-                       adapter->hw.fc = opt.def;
+                       adapter->hw.fc = adapter->hw.original_fc = opt.def;
                }
        }
        { /* Transmit Interrupt Delay */
@@ -397,8 +393,8 @@ e1000_check_options(struct e1000_adapter *adapter)
 
                if (num_TxIntDelay > bd) {
                        adapter->tx_int_delay = TxIntDelay[bd];
-                       e1000_validate_option(&adapter->tx_int_delay, &opt, 
-                                                               adapter);
+                       e1000_validate_option(&adapter->tx_int_delay, &opt,
+                                             adapter);
                } else {
                        adapter->tx_int_delay = opt.def;
                }
@@ -415,8 +411,8 @@ e1000_check_options(struct e1000_adapter *adapter)
 
                if (num_TxAbsIntDelay > bd) {
                        adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
-                       e1000_validate_option(&adapter->tx_abs_int_delay, &opt, 
-                                                               adapter);
+                       e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
+                                             adapter);
                } else {
                        adapter->tx_abs_int_delay = opt.def;
                }
@@ -433,8 +429,8 @@ e1000_check_options(struct e1000_adapter *adapter)
 
                if (num_RxIntDelay > bd) {
                        adapter->rx_int_delay = RxIntDelay[bd];
-                       e1000_validate_option(&adapter->rx_int_delay, &opt, 
-                                                               adapter);
+                       e1000_validate_option(&adapter->rx_int_delay, &opt,
+                                             adapter);
                } else {
                        adapter->rx_int_delay = opt.def;
                }
@@ -451,8 +447,8 @@ e1000_check_options(struct e1000_adapter *adapter)
 
                if (num_RxAbsIntDelay > bd) {
                        adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
-                       e1000_validate_option(&adapter->rx_abs_int_delay, &opt, 
-                                                               adapter);
+                       e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
+                                             adapter);
                } else {
                        adapter->rx_abs_int_delay = opt.def;
                }
@@ -469,27 +465,72 @@ e1000_check_options(struct e1000_adapter *adapter)
 
                if (num_InterruptThrottleRate > bd) {
                        adapter->itr = InterruptThrottleRate[bd];
-                       switch(adapter->itr) {
+                       switch (adapter->itr) {
                        case 0:
-                               DPRINTK(PROBE, INFO, "%s turned off\n", 
-                                       opt.name);
+                               DPRINTK(PROBE, INFO, "%s turned off\n",
+                                       opt.name);
                                break;
                        case 1:
-                               DPRINTK(PROBE, INFO, "%s set to dynamic mode\n", 
+                               DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
                                        opt.name);
+                               adapter->itr_setting = adapter->itr;
+                               adapter->itr = 20000;
+                               break;
+                       case 3:
+                               DPRINTK(PROBE, INFO,
+                                       "%s set to dynamic conservative mode\n",
+                                       opt.name);
+                               adapter->itr_setting = adapter->itr;
+                               adapter->itr = 20000;
                                break;
-                       case -1:
                        default:
-                               e1000_validate_option(&adapter->itr, &opt, 
-                                       adapter);
+                               e1000_validate_option(&adapter->itr, &opt,
+                                       adapter);
+                               /* save the setting, because the dynamic bits change itr */
+                               /* clear the lower two bits because they are
+                                * used as control */
+                               adapter->itr_setting = adapter->itr & ~3;
                                break;
                        }
                } else {
-                       adapter->itr = opt.def;
+                       adapter->itr_setting = opt.def;
+                       adapter->itr = 20000;
+               }
+       }
+       { /* Smart Power Down */
+               struct e1000_option opt = {
+                       .type = enable_option,
+                       .name = "PHY Smart Power Down",
+                       .err  = "defaulting to Disabled",
+                       .def  = OPTION_DISABLED
+               };
+
+               if (num_SmartPowerDownEnable > bd) {
+                       int spd = SmartPowerDownEnable[bd];
+                       e1000_validate_option(&spd, &opt, adapter);
+                       adapter->smart_power_down = spd;
+               } else {
+                       adapter->smart_power_down = opt.def;
+               }
+       }
+       { /* Kumeran Lock Loss Workaround */
+               struct e1000_option opt = {
+                       .type = enable_option,
+                       .name = "Kumeran Lock Loss Workaround",
+                       .err  = "defaulting to Enabled",
+                       .def  = OPTION_ENABLED
+               };
+
+               if (num_KumeranLockLoss > bd) {
+                       int kmrn_lock_loss = KumeranLockLoss[bd];
+                       e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
+                       adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
+               } else {
+                       adapter->hw.kmrn_lock_loss_workaround_disabled = !opt.def;
                }
        }
 
-       switch(adapter->hw.media_type) {
+       switch (adapter->hw.media_type) {
        case e1000_media_type_fiber:
        case e1000_media_type_internal_serdes:
                e1000_check_fiber_options(adapter);
@@ -513,17 +554,17 @@ static void __devinit
 e1000_check_fiber_options(struct e1000_adapter *adapter)
 {
        int bd = adapter->bd_number;
-       if(num_Speed > bd) {
+       if (num_Speed > bd) {
                DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
                       "parameter ignored\n");
        }
 
-       if(num_Duplex > bd) {
+       if (num_Duplex > bd) {
                DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
                       "parameter ignored\n");
        }
 
-       if((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
+       if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
                DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
                                 "not valid for fiber adapters, "
                                 "parameter ignored\n");
@@ -540,7 +581,7 @@ e1000_check_fiber_options(struct e1000_adapter *adapter)
 static void __devinit
 e1000_check_copper_options(struct e1000_adapter *adapter)
 {
-       int speed, dplx;
+       int speed, dplx, an;
        int bd = adapter->bd_number;
 
        { /* Speed */
@@ -579,6 +620,12 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
                                         .p = dplx_list }}
                };
 
+               if (e1000_check_phy_reset_block(&adapter->hw)) {
+                       DPRINTK(PROBE, INFO,
+                               "Link active due to SoL/IDER Session. "
+                               "Speed/Duplex/AutoNeg parameter ignored.\n");
+                       return;
+               }
                if (num_Duplex > bd) {
                        dplx = Duplex[bd];
                        e1000_validate_option(&dplx, &opt, adapter);
@@ -587,7 +634,7 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
                }
        }
 
-       if((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
+       if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
                DPRINTK(PROBE, INFO,
                       "AutoNeg specified along with Speed or Duplex, "
                       "parameter ignored\n");
@@ -636,15 +683,19 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
                                         .p = an_list }}
                };
 
-               int an = AutoNeg[bd];
-               e1000_validate_option(&an, &opt, adapter);
+               if (num_AutoNeg > bd) {
+                       an = AutoNeg[bd];
+                       e1000_validate_option(&an, &opt, adapter);
+               } else {
+                       an = opt.def;
+               }
                adapter->hw.autoneg_advertised = an;
        }
 
        switch (speed + dplx) {
        case 0:
                adapter->hw.autoneg = adapter->fc_autoneg = 1;
-               if((num_Speed > bd) && (speed != 0 || dplx != 0))
+               if ((num_Speed > bd) && (speed != 0 || dplx != 0))
                        DPRINTK(PROBE, INFO,
                               "Speed and duplex autonegotiation enabled\n");
                break;