1 files changed, 100 insertions, 99 deletions

diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c
index e55f8969a0fb..0ef413172c68 100644
--- a/drivers/net/e1000/e1000_param.c
+++ b/drivers/net/e1000/e1000_param.c
@@ -45,6 +45,16 @@
  */
 
 #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; \
@@ -183,6 +193,24 @@ E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
 
 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
@@ -296,6 +324,7 @@ e1000_check_options(struct e1000_adapter *adapter)
 		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 */
@@ -313,14 +342,9 @@ e1000_check_options(struct e1000_adapter *adapter)
 		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;
 	}
@@ -339,14 +363,9 @@ e1000_check_options(struct e1000_adapter *adapter)
 		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;
 	}
@@ -358,13 +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 */
 
@@ -384,13 +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 = adapter->hw.original_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 = {
@@ -402,13 +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 = {
@@ -420,13 +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 = {
@@ -438,13 +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 = {
@@ -456,13 +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 = {
@@ -474,26 +467,44 @@ 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) {
 	case e1000_media_type_fiber:
@@ -519,17 +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");
@@ -548,6 +560,7 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
 {
 	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, "" },
@@ -564,12 +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, "" },
@@ -591,15 +600,11 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
 			        "Speed/Duplex/AutoNeg parameter ignored.\n");
 			return;
 		}
-		if (num_Duplex > bd) {
-			dplx = Duplex[bd];
-			e1000_validate_option(&dplx, &opt, adapter);
-		} else {
-			dplx = opt.def;
-		}
+		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");
@@ -648,19 +653,15 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
 					 .p = an_list }}
 		};
 
-		if (num_AutoNeg > bd) {
-			an = AutoNeg[bd];
-			e1000_validate_option(&an, &opt, adapter);
-		} else {
-			an = opt.def;
-		}
+		an = AutoNeg[bd];
+		e1000_validate_option(&an, &opt, adapter);
 		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 (Speed[bd] != OPTION_UNSET || Duplex[bd] != OPTION_UNSET)
 			DPRINTK(PROBE, INFO,
 			       "Speed and duplex autonegotiation enabled\n");
 		break;