Merge to Fedora kernel-2.6.18-1.2224_FC5-vs2.0.2.2-rc4 patched with stable patch...
[linux-2.6.git] / drivers / net / e1000 / e1000_param.c
index 676247f..0ef4131 100644 (file)
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   
-  Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
+  Copyright(c) 1999 - 2006 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 
@@ -22,6 +22,7 @@
   
   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
 
 *******************************************************************************/
  */
 
 #define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
+/* 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 e1000_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 E1000_PARAM(X, desc) \
        static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
        static int num_##X = 0; \
@@ -177,11 +188,29 @@ E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
  *
  * Valid Range: 100-100000 (0=off, 1=dynamic)
  *
- * Default Value: 1
+ * Default Value: 8000
  */
 
 E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
 
+/* 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");
+
 #define AUTONEG_ADV_DEFAULT  0x2F
 #define AUTONEG_ADV_MASK     0x2F
 #define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
@@ -227,7 +256,7 @@ 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 +273,7 @@ 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 +283,10 @@ 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 +297,7 @@ 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;
@@ -291,10 +320,11 @@ 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");
+               bd = E1000_MAX_NIC;
        }
 
        { /* Transmit Descriptor Count */
@@ -306,19 +336,17 @@ 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;
 
-               if (num_TxDescriptors > bd) {
-                       tx_ring->count = TxDescriptors[bd];
-                       e1000_validate_option(&tx_ring->count, &opt, adapter);
-                       E1000_ROUNDUP(tx_ring->count, 
-                                               REQ_TX_DESCRIPTOR_MULTIPLE);
-               } else {
-                       tx_ring->count = opt.def;
-               }
+               tx_ring->count = TxDescriptors[bd];
+               e1000_validate_option(&tx_ring->count, &opt, adapter);
+               E1000_ROUNDUP(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
+               for (i = 0; i < adapter->num_tx_queues; i++)
+                       tx_ring[i].count = tx_ring->count;
        }
        { /* Receive Descriptor Count */
                struct e1000_option opt = {
@@ -329,19 +357,17 @@ 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;
 
-               if (num_RxDescriptors > bd) {
-                       rx_ring->count = RxDescriptors[bd];
-                       e1000_validate_option(&rx_ring->count, &opt, adapter);
-                       E1000_ROUNDUP(rx_ring->count, 
-                                               REQ_RX_DESCRIPTOR_MULTIPLE);
-               } else {
-                       rx_ring->count = opt.def;
-               }
+               rx_ring->count = RxDescriptors[bd];
+               e1000_validate_option(&rx_ring->count, &opt, adapter);
+               E1000_ROUNDUP(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
+               for (i = 0; i < adapter->num_rx_queues; i++)
+                       rx_ring[i].count = rx_ring->count;
        }
        { /* Checksum Offload Enable/Disable */
                struct e1000_option opt = {
@@ -351,13 +377,9 @@ e1000_check_options(struct e1000_adapter *adapter)
                        .def  = OPTION_ENABLED
                };
 
-               if (num_XsumRX > bd) {
-                       int rx_csum = XsumRX[bd];
-                       e1000_validate_option(&rx_csum, &opt, adapter);
-                       adapter->rx_csum = rx_csum;
-               } else {
-                       adapter->rx_csum = opt.def;
-               }
+               int rx_csum = XsumRX[bd];
+               e1000_validate_option(&rx_csum, &opt, adapter);
+               adapter->rx_csum = rx_csum;
        }
        { /* Flow Control */
 
@@ -377,13 +399,9 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .p = fc_list }}
                };
 
-               if (num_FlowControl > bd) {
-                       int fc = FlowControl[bd];
-                       e1000_validate_option(&fc, &opt, adapter);
-                       adapter->hw.fc = adapter->hw.original_fc = fc;
-               } else {
-                       adapter->hw.fc = opt.def;
-               }
+               int fc = FlowControl[bd];
+               e1000_validate_option(&fc, &opt, adapter);
+               adapter->hw.fc = adapter->hw.original_fc = fc;
        }
        { /* Transmit Interrupt Delay */
                struct e1000_option opt = {
@@ -395,13 +413,8 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .max = MAX_TXDELAY }}
                };
 
-               if (num_TxIntDelay > bd) {
-                       adapter->tx_int_delay = TxIntDelay[bd];
-                       e1000_validate_option(&adapter->tx_int_delay, &opt, 
-                                                               adapter);
-               } else {
-                       adapter->tx_int_delay = opt.def;
-               }
+               adapter->tx_int_delay = TxIntDelay[bd];
+               e1000_validate_option(&adapter->tx_int_delay, &opt, adapter);
        }
        { /* Transmit Absolute Interrupt Delay */
                struct e1000_option opt = {
@@ -413,13 +426,9 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .max = MAX_TXABSDELAY }}
                };
 
-               if (num_TxAbsIntDelay > bd) {
-                       adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
-                       e1000_validate_option(&adapter->tx_abs_int_delay, &opt, 
-                                                               adapter);
-               } else {
-                       adapter->tx_abs_int_delay = opt.def;
-               }
+               adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
+               e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
+                                     adapter);
        }
        { /* Receive Interrupt Delay */
                struct e1000_option opt = {
@@ -431,13 +440,8 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .max = MAX_RXDELAY }}
                };
 
-               if (num_RxIntDelay > bd) {
-                       adapter->rx_int_delay = RxIntDelay[bd];
-                       e1000_validate_option(&adapter->rx_int_delay, &opt, 
-                                                               adapter);
-               } else {
-                       adapter->rx_int_delay = opt.def;
-               }
+               adapter->rx_int_delay = RxIntDelay[bd];
+               e1000_validate_option(&adapter->rx_int_delay, &opt, adapter);
        }
        { /* Receive Absolute Interrupt Delay */
                struct e1000_option opt = {
@@ -449,13 +453,9 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .max = MAX_RXABSDELAY }}
                };
 
-               if (num_RxAbsIntDelay > bd) {
-                       adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
-                       e1000_validate_option(&adapter->rx_abs_int_delay, &opt, 
-                                                               adapter);
-               } else {
-                       adapter->rx_abs_int_delay = opt.def;
-               }
+               adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
+               e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
+                                     adapter);
        }
        { /* Interrupt Throttling Rate */
                struct e1000_option opt = {
@@ -467,28 +467,46 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .max = MAX_ITR }}
                };
 
-               if (num_InterruptThrottleRate > bd) {
-                       adapter->itr = InterruptThrottleRate[bd];
-                       switch(adapter->itr) {
-                       case 0:
-                               DPRINTK(PROBE, INFO, "%s turned off\n", 
-                                       opt.name);
-                               break;
-                       case 1:
-                               DPRINTK(PROBE, INFO, "%s set to dynamic mode\n", 
-                                       opt.name);
-                               break;
-                       default:
-                               e1000_validate_option(&adapter->itr, &opt, 
-                                       adapter);
-                               break;
-                       }
-               } else {
-                       adapter->itr = opt.def;
+               adapter->itr = InterruptThrottleRate[bd];
+               switch (adapter->itr) {
+               case 0:
+                       DPRINTK(PROBE, INFO, "%s turned off\n", opt.name);
+                       break;
+               case 1:
+                       DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
+                               opt.name);
+                       break;
+               default:
+                       e1000_validate_option(&adapter->itr, &opt, adapter);
+                       break;
                }
        }
+       { /* Smart Power Down */
+               struct e1000_option opt = {
+                       .type = enable_option,
+                       .name = "PHY Smart Power Down",
+                       .err  = "defaulting to Disabled",
+                       .def  = OPTION_DISABLED
+               };
+
+               int spd = SmartPowerDownEnable[bd];
+               e1000_validate_option(&spd, &opt, adapter);
+               adapter->smart_power_down = spd;
+       }
+       { /* Kumeran Lock Loss Workaround */
+               struct e1000_option opt = {
+                       .type = enable_option,
+                       .name = "Kumeran Lock Loss Workaround",
+                       .err  = "defaulting to Enabled",
+                       .def  = OPTION_ENABLED
+               };
+
+                       int kmrn_lock_loss = KumeranLockLoss[bd];
+                       e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
+                       adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
+       }
 
-       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);
@@ -512,17 +530,18 @@ static void __devinit
 e1000_check_fiber_options(struct e1000_adapter *adapter)
 {
        int bd = adapter->bd_number;
-       if(num_Speed > bd) {
+       bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
+       if ((Speed[bd] != OPTION_UNSET)) {
                DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
                       "parameter ignored\n");
        }
 
-       if(num_Duplex > bd) {
+       if ((Duplex[bd] != OPTION_UNSET)) {
                DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
                       "parameter ignored\n");
        }
 
-       if((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
+       if ((AutoNeg[bd] != OPTION_UNSET) && (AutoNeg[bd] != 0x20)) {
                DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
                                 "not valid for fiber adapters, "
                                 "parameter ignored\n");
@@ -539,8 +558,9 @@ 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;
+       bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
 
        { /* Speed */
                struct e1000_opt_list speed_list[] = {{          0, "" },
@@ -557,12 +577,8 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
                                         .p = speed_list }}
                };
 
-               if (num_Speed > bd) {
-                       speed = Speed[bd];
-                       e1000_validate_option(&speed, &opt, adapter);
-               } else {
-                       speed = opt.def;
-               }
+               speed = Speed[bd];
+               e1000_validate_option(&speed, &opt, adapter);
        }
        { /* Duplex */
                struct e1000_opt_list dplx_list[] = {{           0, "" },
@@ -578,15 +594,17 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
                                         .p = dplx_list }}
                };
 
-               if (num_Duplex > bd) {
-                       dplx = Duplex[bd];
-                       e1000_validate_option(&dplx, &opt, adapter);
-               } else {
-                       dplx = opt.def;
+               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;
                }
+               dplx = Duplex[bd];
+               e1000_validate_option(&dplx, &opt, adapter);
        }
 
-       if((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
+       if (AutoNeg[bd] != OPTION_UNSET && (speed != 0 || dplx != 0)) {
                DPRINTK(PROBE, INFO,
                       "AutoNeg specified along with Speed or Duplex, "
                       "parameter ignored\n");
@@ -635,7 +653,7 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
                                         .p = an_list }}
                };
 
-               int an = AutoNeg[bd];
+               an = AutoNeg[bd];
                e1000_validate_option(&an, &opt, adapter);
                adapter->hw.autoneg_advertised = an;
        }
@@ -643,7 +661,7 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
        switch (speed + dplx) {
        case 0:
                adapter->hw.autoneg = adapter->fc_autoneg = 1;
-               if((num_Speed > bd) && (speed != 0 || dplx != 0))
+               if (Speed[bd] != OPTION_UNSET || Duplex[bd] != OPTION_UNSET)
                        DPRINTK(PROBE, INFO,
                               "Speed and duplex autonegotiation enabled\n");
                break;