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[patch 1/2 2.5] e1000 update -- fix MODULE_PARM, module_param, module_pa

To: jgarzik@xxxxxxxxx
Subject: [patch 1/2 2.5] e1000 update -- fix MODULE_PARM, module_param, module_param_array usage
From: Ganesh Venkatesan <ganesh.venkatesan@xxxxxxxxx>
Date: Mon, 27 Sep 2004 09:37:45 -0700 (PDT)
Cc: netdev@xxxxxxxxxxx
Replyto: "Ganesh Venkatesan" <ganesh.venkatesan@xxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
diff -up 
linux-2.5/drivers/net/e1000/e1000.h 
linux-2.5/drivers/net/e1000.new/e1000.h
--- linux-2.5/drivers/net/e1000/e1000.h 2004-09-20 21:54:32.000000000 -0700
+++ linux-2.5/drivers/net/e1000.new/e1000.h     2004-09-20 21:54:33.000000000 
-0700
@@ -72,7 +72,6 @@
 #include <linux/mii.h>
 #include <linux/ethtool.h>
 #include <linux/if_vlan.h>
-#include <linux/moduleparam.h>
 
 #define BAR_0          0
 #define BAR_1          1
diff -up linux-2.5/drivers/net/e1000/e1000_param.c 
linux-2.5/drivers/net/e1000.new/e1000_param.c
--- linux-2.5/drivers/net/e1000/e1000_param.c   2004-09-20 21:54:32.000000000 
-0700
+++ linux-2.5/drivers/net/e1000.new/e1000_param.c       2004-09-20 
21:54:34.000000000 -0700
@@ -34,31 +34,21 @@
 
 #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(X, int, num_##X, 0); \
+       MODULE_PARM_DESC(X, desc);
 
 /* Transmit Descriptor Count
  *
@@ -305,7 +295,6 @@ e1000_check_options(struct e1000_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
                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
                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
                        .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
                                         .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
                                         .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
                                         .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
                                         .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
                                         .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 +467,27 @@ e1000_check_options(struct e1000_adapter
                                         .max = MAX_ITR }}
                };
 
-               adapter->itr = InterruptThrottleRate[bd];
-               switch(adapter->itr) {
-               case -1:
+               if (num_InterruptThrottleRate > bd) {
+                       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;
+                       }
+               } else {
                        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;
                }
        }
 
@@ -481,17 +515,17 @@ 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 +544,6 @@ e1000_check_copper_options(struct e1000_
 {
        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 +560,12 @@ e1000_check_copper_options(struct e1000_
                                         .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 +581,15 @@ e1000_check_copper_options(struct e1000_
                                         .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 +646,7 @@ e1000_check_copper_options(struct e1000_
        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;
Only in linux-2.5/drivers/net/e1000.new: kcompat_ethtool.c





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