vserver 1.9.5.x5
[linux-2.6.git] / drivers / net / e1000 / e1000_param.c
index 5554213..e914d09 100644 (file)
 
 #define E1000_MAX_NIC 32
 
-#define OPTION_UNSET    -1
+#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 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_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
-
 /* 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 E1000_PARAM(X, S) \
-static const int __devinitdata X[E1000_MAX_NIC + 1] = E1000_PARAM_INIT; \
-MODULE_PARM(X, "1-" __MODULE_STRING(E1000_MAX_NIC) "i"); \
-MODULE_PARM_DESC(X, S);
+#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
+#define E1000_PARAM(X, desc) \
+       static int __devinitdata X[E1000_MAX_NIC+1] = E1000_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
  *
@@ -305,7 +295,6 @@ 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 */
@@ -322,9 +311,14 @@ e1000_check_options(struct e1000_adapter *adapter)
                opt.arg.r.max = mac_type < e1000_82544 ?
                        E1000_MAX_TXD : E1000_MAX_82544_TXD;
 
-               tx_ring->count = TxDescriptors[bd];
-               e1000_validate_option(&tx_ring->count, &opt, adapter);
-               E1000_ROUNDUP(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
+               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;
+               }
        }
        { /* Receive Descriptor Count */
                struct e1000_option opt = {
@@ -340,9 +334,14 @@ e1000_check_options(struct e1000_adapter *adapter)
                opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
                        E1000_MAX_82544_RXD;
 
-               rx_ring->count = RxDescriptors[bd];
-               e1000_validate_option(&rx_ring->count, &opt, adapter);
-               E1000_ROUNDUP(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
+               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;
+               }
        }
        { /* Checksum Offload Enable/Disable */
                struct e1000_option opt = {
@@ -352,9 +351,13 @@ e1000_check_options(struct e1000_adapter *adapter)
                        .def  = OPTION_ENABLED
                };
 
-               int rx_csum = XsumRX[bd];
-               e1000_validate_option(&rx_csum, &opt, adapter);
-               adapter->rx_csum = rx_csum;
+               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;
+               }
        }
        { /* Flow Control */
 
@@ -374,9 +377,13 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .p = fc_list }}
                };
 
-               int fc = FlowControl[bd];
-               e1000_validate_option(&fc, &opt, adapter);
-               adapter->hw.fc = adapter->hw.original_fc = fc;
+               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;
+               }
        }
        { /* Transmit Interrupt Delay */
                struct e1000_option opt = {
@@ -388,8 +395,13 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .max = MAX_TXDELAY }}
                };
 
-               adapter->tx_int_delay = TxIntDelay[bd];
-               e1000_validate_option(&adapter->tx_int_delay, &opt, adapter);
+               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;
+               }
        }
        { /* Transmit Absolute Interrupt Delay */
                struct e1000_option opt = {
@@ -401,8 +413,13 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .max = MAX_TXABSDELAY }}
                };
 
-               adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
-               e1000_validate_option(&adapter->tx_abs_int_delay, &opt, adapter);
+               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;
+               }
        }
        { /* Receive Interrupt Delay */
                struct e1000_option opt = {
@@ -414,8 +431,13 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .max = MAX_RXDELAY }}
                };
 
-               adapter->rx_int_delay = RxIntDelay[bd];
-               e1000_validate_option(&adapter->rx_int_delay, &opt, adapter);
+               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;
+               }
        }
        { /* Receive Absolute Interrupt Delay */
                struct e1000_option opt = {
@@ -427,8 +449,13 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .max = MAX_RXABSDELAY }}
                };
 
-               adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
-               e1000_validate_option(&adapter->rx_abs_int_delay, &opt, adapter);
+               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;
+               }
        }
        { /* Interrupt Throttling Rate */
                struct e1000_option opt = {
@@ -440,20 +467,25 @@ e1000_check_options(struct e1000_adapter *adapter)
                                         .max = MAX_ITR }}
                };
 
-               adapter->itr = InterruptThrottleRate[bd];
-               switch(adapter->itr) {
-               case -1:
-                       adapter->itr = 1;
-                       break;
-               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;
+               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;
+                       case -1:
+                       default:
+                               e1000_validate_option(&adapter->itr, &opt, 
+                                       adapter);
+                               break;
+                       }
+               } else {
+                       adapter->itr = opt.def;
                }
        }
 
@@ -481,17 +513,17 @@ static void __devinit
 e1000_check_fiber_options(struct e1000_adapter *adapter)
 {
        int bd = adapter->bd_number;
-       bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
-
-       if((Speed[bd] != OPTION_UNSET)) {
+       if(num_Speed > bd) {
                DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
                       "parameter ignored\n");
        }
-       if((Duplex[bd] != OPTION_UNSET)) {
+
+       if(num_Duplex > bd) {
                DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
                       "parameter ignored\n");
        }
-       if((AutoNeg[bd] != OPTION_UNSET) && (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");
@@ -510,7 +542,6 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
 {
        int speed, dplx;
        int bd = adapter->bd_number;
-       bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
 
        { /* Speed */
                struct e1000_opt_list speed_list[] = {{          0, "" },
@@ -527,8 +558,12 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
                                         .p = speed_list }}
                };
 
-               speed = Speed[bd];
-               e1000_validate_option(&speed, &opt, adapter);
+               if (num_Speed > bd) {
+                       speed = Speed[bd];
+                       e1000_validate_option(&speed, &opt, adapter);
+               } else {
+                       speed = opt.def;
+               }
        }
        { /* Duplex */
                struct e1000_opt_list dplx_list[] = {{           0, "" },
@@ -544,11 +579,15 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
                                         .p = dplx_list }}
                };
 
-               dplx = Duplex[bd];
-               e1000_validate_option(&dplx, &opt, adapter);
+               if (num_Duplex > bd) {
+                       dplx = Duplex[bd];
+                       e1000_validate_option(&dplx, &opt, adapter);
+               } else {
+                       dplx = opt.def;
+               }
        }
 
-       if(AutoNeg[bd] != OPTION_UNSET && (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");
@@ -605,7 +644,7 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
        switch (speed + dplx) {
        case 0:
                adapter->hw.autoneg = adapter->fc_autoneg = 1;
-               if(Speed[bd] != OPTION_UNSET || Duplex[bd] != OPTION_UNSET)
+               if((num_Speed > bd) && (speed != 0 || dplx != 0))
                        DPRINTK(PROBE, INFO,
                               "Speed and duplex autonegotiation enabled\n");
                break;