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path: root/drivers/net/e1000/e1000_param.c
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Diffstat (limited to 'drivers/net/e1000/e1000_param.c')
-rw-r--r--drivers/net/e1000/e1000_param.c199
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;