Add more watcher.

[netwatch.git] / net / 3c90x.c

diff --git a/net/3c90x.c b/net/3c90x.c
index 4d603278e584dc9dad16a1e6bb85e2a71b0cff0e..336e2a705ddca35b5d64581d145a55993a986c66 100644 (file)
--- a/net/3c90x.c
+++ b/net/3c90x.c
@@ -51,7 +51,7 @@
  ** this is the number of times to retry the transmission -- this should
  ** be plenty
  **/
  ** this is the number of times to retry the transmission -- this should
  ** be plenty
  **/

-#define        XMIT_RETRIES    250
+#define        XMIT_RETRIES    5

 
 /*** Register definitions for the 3c905 ***/
 enum Registers
 
 /*** Register definitions for the 3c905 ***/
 enum Registers


@@ -258,43 +258,29 @@ static struct nic nic;
 #define _outw(v,a) outw((a),(v))
 #define _outb(v,a) outb((a),(v))
 
 #define _outw(v,a) outw((a),(v))
 #define _outb(v,a) outb((a),(v))
 

-/*** a3c90x_internal_IssueCommand: sends a command to the 3c90x card
- ***/
-static int
-a3c90x_internal_IssueCommand(int ioaddr, int cmd, int param)
-    {
-    unsigned int val;
-
-       /** Build the cmd. **/
-       val = cmd;
-       val <<= 11;
-       val |= param;
-
-       /** Send the cmd to the cmd register **/
-       _outw(val, ioaddr + regCommandIntStatus_w);
+static int _issue_command(int ioaddr, int cmd, int param)
+{
+       outw(ioaddr + regCommandIntStatus_w, (cmd << 11) | param);

 
 

-       /** Wait for the cmd to complete, if necessary **/
-       while (inw(ioaddr + regCommandIntStatus_w) & INT_CMDINPROGRESS);
+       while (inw(ioaddr + regCommandIntStatus_w) & INT_CMDINPROGRESS)
+               ;

 
 

-    return 0;
-    }
+       return 0;
+}

 
 
 /*** a3c90x_internal_SetWindow: selects a register window set.
  ***/
 
 
 /*** a3c90x_internal_SetWindow: selects a register window set.
  ***/

-static int
-a3c90x_internal_SetWindow(int ioaddr, int window)
-    {
-
-       /** Window already as set? **/
-       if (INF_3C90X.CurrentWindow == window) return 0;
+static int _set_window(int ioaddr, int window)
+{
+       if (INF_3C90X.CurrentWindow == window)
+               return 0;

 
 

-       /** Issue the window command. **/
-       a3c90x_internal_IssueCommand(ioaddr, cmdSelectRegisterWindow, window);
+       _issue_command(ioaddr, cmdSelectRegisterWindow, window);

        INF_3C90X.CurrentWindow = window;
 
        INF_3C90X.CurrentWindow = window;
 

-    return 0;
-    }
+       return 0;
+}

 
 
 /*** a3c90x_internal_ReadEeprom - read data from the serial eeprom.
 
 
 /*** a3c90x_internal_ReadEeprom - read data from the serial eeprom.


@@ -305,7 +291,7 @@ a3c90x_internal_ReadEeprom(int ioaddr, int address)
        unsigned short val;
 
        /** Select correct window **/
        unsigned short val;
 
        /** Select correct window **/

-        a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winEepromBios0);
+        _set_window(INF_3C90X.IOAddr, winEepromBios0);

 
        /** Make sure the eeprom isn't busy **/
        do
 
        /** Make sure the eeprom isn't busy **/
        do


@@ -345,7 +331,7 @@ static int
 a3c90x_internal_WriteEepromWord(int ioaddr, int address, unsigned short value)
     {
        /** Select register window **/
 a3c90x_internal_WriteEepromWord(int ioaddr, int address, unsigned short value)
     {
        /** Select register window **/

-        a3c90x_internal_SetWindow(ioaddr, winEepromBios0);
+        _set_window(ioaddr, winEepromBios0);

 
        /** Verify Eeprom not busy **/
        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
        /** Verify Eeprom not busy **/
        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));


@@ -423,65 +409,57 @@ static void a3c90x_reset(void)
 #ifdef CFG_3C90X_PRESERVE_XCVR
     int cfg;
     /** Read the current InternalConfig value. **/
 #ifdef CFG_3C90X_PRESERVE_XCVR
     int cfg;
     /** Read the current InternalConfig value. **/

-    a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winTxRxOptions3);
+    _set_window(INF_3C90X.IOAddr, winTxRxOptions3);

     cfg = inl(INF_3C90X.IOAddr + regInternalConfig_3_l);
 #endif
 
     /** Send the reset command to the card **/
     cfg = inl(INF_3C90X.IOAddr + regInternalConfig_3_l);
 #endif
 
     /** Send the reset command to the card **/

-    outputf("Issuing RESET:");
-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdGlobalReset, 0);
-
-    /** wait for reset command to complete **/
-    while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS);
+    outputf("3c90x: issuing RESET");
+    _issue_command(INF_3C90X.IOAddr, cmdGlobalReset, 0);

 
     /** global reset command resets station mask, non-B revision cards
      ** require explicit reset of values
      **/
 
     /** global reset command resets station mask, non-B revision cards
      ** require explicit reset of values
      **/

-    a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2);
+    _set_window(INF_3C90X.IOAddr, winAddressing2);

     _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+0);
     _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+2);
     _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+4);
 
 #ifdef CFG_3C90X_PRESERVE_XCVR
     /** Re-set the original InternalConfig value from before reset **/
     _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+0);
     _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+2);
     _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+4);
 
 #ifdef CFG_3C90X_PRESERVE_XCVR
     /** Re-set the original InternalConfig value from before reset **/

-    a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winTxRxOptions3);
+    _set_window(INF_3C90X.IOAddr, winTxRxOptions3);

     _outl(cfg, INF_3C90X.IOAddr + regInternalConfig_3_l);
 
     /** enable DC converter for 10-Base-T **/
     if ((cfg&0x0300) == 0x0300)
        {
     _outl(cfg, INF_3C90X.IOAddr + regInternalConfig_3_l);
 
     /** enable DC converter for 10-Base-T **/
     if ((cfg&0x0300) == 0x0300)
        {

-       a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdEnableDcConverter, 0);
+       _issue_command(INF_3C90X.IOAddr, cmdEnableDcConverter, 0);

        }
 #endif
 
     /** Issue transmit reset, wait for command completion **/
        }
 #endif
 
     /** Issue transmit reset, wait for command completion **/

-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxReset, 0);
-    while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS)
-       ;
+    _issue_command(INF_3C90X.IOAddr, cmdTxReset, 0);

     if (! INF_3C90X.isBrev)
        _outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b);
     if (! INF_3C90X.isBrev)
        _outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b);

-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
+    _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0);

 
     /**
      ** reset of the receiver on B-revision cards re-negotiates the link
      ** takes several seconds (a computer eternity)
      **/
     if (INF_3C90X.isBrev)
 
     /**
      ** reset of the receiver on B-revision cards re-negotiates the link
      ** takes several seconds (a computer eternity)
      **/
     if (INF_3C90X.isBrev)

-       a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxReset, 0x04);
+       _issue_command(INF_3C90X.IOAddr, cmdRxReset, 0x04);

     else
     else

-       a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxReset, 0x00);
-    while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS);
-       ;
-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxEnable, 0);
+       _issue_command(INF_3C90X.IOAddr, cmdRxReset, 0x00);
+    while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS)
+       ;
+    _issue_command(INF_3C90X.IOAddr, cmdRxEnable, 0);

 
 

-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr,
-                                 cmdSetInterruptEnable, 0);
+    _issue_command(INF_3C90X.IOAddr, cmdSetInterruptEnable, 0);

     /** enable rxComplete and txComplete **/
     /** enable rxComplete and txComplete **/

-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr,
-                                 cmdSetIndicationEnable, 0x0014);
+    _issue_command(INF_3C90X.IOAddr, cmdSetIndicationEnable, 0x0014);

     /** acknowledge any pending status flags **/
     /** acknowledge any pending status flags **/

-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr,
-                                 cmdAcknowledgeInterrupt, 0x661);
+    _issue_command(INF_3C90X.IOAddr, cmdAcknowledgeInterrupt, 0x661);

 
     return;
     }
 
     return;
     }


@@ -498,123 +476,96 @@ static void a3c90x_reset(void)
 static void
 a3c90x_transmit(const char *dest_addr, unsigned int proto,
                 unsigned int size, const char *pkt)
 static void
 a3c90x_transmit(const char *dest_addr, unsigned int proto,
                 unsigned int size, const char *pkt)

-    {
-
-    struct eth_hdr
+{
+       struct eth_hdr

        {
        {

-       unsigned char dst_addr[ETH_ALEN];
-       unsigned char src_addr[ETH_ALEN];
-       unsigned short type;
+               unsigned char dst_addr[ETH_ALEN];
+               unsigned char src_addr[ETH_ALEN];
+               unsigned short type;

        } hdr;
        } hdr;

+               
+       unsigned char status;
+       unsigned int i, retries;

 
 

-    unsigned char status;
-    unsigned i, retries;
-
-    for (retries=0; retries < XMIT_RETRIES ; retries++)
+       for (retries=0; retries < XMIT_RETRIES; retries++)

        {
        {

-       /** Stall the download engine **/
-       a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdStallCtl, 2);
-
-       /** Make sure the card is not waiting on us **/
-       inw(INF_3C90X.IOAddr + regCommandIntStatus_w);
-       inw(INF_3C90X.IOAddr + regCommandIntStatus_w);
-
-       while (inw(INF_3C90X.IOAddr+regCommandIntStatus_w) &
-              INT_CMDINPROGRESS)
-           ;
-
-       /** Set the ethernet packet type **/
-       hdr.type = htons(proto);
-
-       /** Copy the destination address **/
-       memcpy(hdr.dst_addr, dest_addr, ETH_ALEN);
-
-       /** Copy our MAC address **/
-       memcpy(hdr.src_addr, INF_3C90X.HWAddr, ETH_ALEN);
-
-       /** Setup the DPD (download descriptor) **/
-       INF_3C90X.TransmitDPD.DnNextPtr = 0;
-       /** set notification for transmission completion (bit 15) **/
-       INF_3C90X.TransmitDPD.FrameStartHeader = (size + sizeof(hdr)) | 0x8000;
-       INF_3C90X.TransmitDPD.HdrAddr = virt_to_bus(&hdr);
-       INF_3C90X.TransmitDPD.HdrLength = sizeof(hdr);
-       INF_3C90X.TransmitDPD.DataAddr = virt_to_bus(pkt);
-       INF_3C90X.TransmitDPD.DataLength = size + (1<<31);
-
-       /** Send the packet **/
-       _outl(virt_to_bus(&(INF_3C90X.TransmitDPD)),
-            INF_3C90X.IOAddr + regDnListPtr_l);
-
-       /** End Stall and Wait for upload to complete. **/
-       a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdStallCtl, 3);
-       while(inl(INF_3C90X.IOAddr + regDnListPtr_l) != 0)
-           ;
-
-       /** Wait for NIC Transmit to Complete **/
-       oneshot_start_ms(10);   /* Give it 10 ms */
-       while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w)&0x0004) &&
-               oneshot_running())
-               ;
-
-       if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w)&0x0004))
-           {
-           outputf("3C90X: Tx Timeout");
-           continue;
-           }
-
-       status = inb(INF_3C90X.IOAddr + regTxStatus_b);
-
-       /** acknowledge transmit interrupt by writing status **/
-       _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b);
-
-       /** successful completion (sans "interrupt Requested" bit) **/
-       if ((status & 0xbf) == 0x80)
-           return;
-
-          outputf("3C90X: Status (%hhX)", status);
-       /** check error codes **/
-       if (status & 0x02)
-           {
-           outputf("3C90X: Tx Reclaim Error (%hhX)", status);
-           a3c90x_reset();
-           }
-       else if (status & 0x04)
-           {
-           outputf("3C90X: Tx Status Overflow (%hhX)", status);
-           for (i=0; i<32; i++)
-               _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b);
-           /** must re-enable after max collisions before re-issuing tx **/
-           a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
-           }
-       else if (status & 0x08)
-           {
-           outputf("3C90X: Tx Max Collisions (%hhX)", status);
-           /** must re-enable after max collisions before re-issuing tx **/
-           a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
-           }
-       else if (status & 0x10)
-           {
-           outputf("3C90X: Tx Underrun (%hhX)", status);
-           a3c90x_reset();
-           }
-       else if (status & 0x20)
-           {
-           outputf("3C90X: Tx Jabber (%hhX)", status);
-           a3c90x_reset();
-           }
-       else if ((status & 0x80) != 0x80)
-           {
-           outputf("3C90X: Internal Error - Incomplete Transmission (%hhX)",
-                  status);
-           a3c90x_reset();
-           }
+               if (retries != 0)
+                       outputf("3c90x: retrying packet send (%d)", retries);
+               
+               _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 2 /* Stall download */);
+
+               hdr.type = htons(proto);
+               memcpy(hdr.dst_addr, dest_addr, ETH_ALEN);
+               memcpy(hdr.src_addr, INF_3C90X.HWAddr, ETH_ALEN);
+
+               /** Setup the DPD (download descriptor) **/
+               INF_3C90X.TransmitDPD.DnNextPtr = 0;
+               /** set notification for transmission completion (bit 15) **/
+               INF_3C90X.TransmitDPD.FrameStartHeader = (size + sizeof(hdr)) | 0x8000;
+               INF_3C90X.TransmitDPD.HdrAddr = virt_to_bus(&hdr);
+               INF_3C90X.TransmitDPD.HdrLength = sizeof(hdr);
+               INF_3C90X.TransmitDPD.DataAddr = virt_to_bus(pkt);
+               INF_3C90X.TransmitDPD.DataLength = size + (1<<31);
+
+               /** Send the packet **/
+               outl(INF_3C90X.IOAddr + regDnListPtr_l, virt_to_bus(&(INF_3C90X.TransmitDPD)));
+               _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 3 /* Unstall download */);
+               
+               oneshot_start_ms(100);
+               while((inl(INF_3C90X.IOAddr + regDnListPtr_l) != 0) && oneshot_running())
+                       ;
+               if (!oneshot_running())
+                       outputf("3c90x: Download engine pointer timeout");
+
+               oneshot_start_ms(10);   /* Give it 10 ms */
+               while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE) && oneshot_running())
+                       ;
+
+               if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE))
+               {
+                       outputf("3c90x: tx timeout? txstat %02x", inb(INF_3C90X.IOAddr + regTxStatus_b));
+                       outputf("3c90x: Gen sts %04x", inw(INF_3C90X.IOAddr + regCommandIntStatus_w));
+                       continue;
+               }
+               status = inb(INF_3C90X.IOAddr + regTxStatus_b);
+               outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00);
+               
+               /** successful completion (sans "interrupt Requested" bit) **/
+               if ((status & 0xbf) == 0x80)
+                       return;
+
+               outputf("3c90x: Status (%hhX)", status);
+               /** check error codes **/
+               if (status & 0x02)
+               {
+                       outputf("3c90x: Tx Reclaim Error (%hhX)", status);
+                       a3c90x_reset();
+               } else if (status & 0x04) {
+                       outputf("3c90x: Tx Status Overflow (%hhX)", status);
+                       for (i=0; i<32; i++)
+                               _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b);
+                       /** must re-enable after max collisions before re-issuing tx **/
+                       _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0);
+               } else if (status & 0x08) {
+                       outputf("3c90x: Tx Max Collisions (%hhX)", status);
+                       /** must re-enable after max collisions before re-issuing tx **/
+                       _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0);
+               } else if (status & 0x10) {
+                       outputf("3c90x: Tx Underrun (%hhX)", status);
+                       a3c90x_reset();
+               } else if (status & 0x20) {
+                       outputf("3c90x: Tx Jabber (%hhX)", status);
+                       a3c90x_reset();
+               } else if ((status & 0x80) != 0x80) {
+                       outputf("3c90x: Internal Error - Incomplete Transmission (%hhX)", status);
+                       a3c90x_reset();
+               }

        }
 
        }
 

-    /** failed after RETRY attempts **/
-    outputf("Failed to send after %d retries", retries);
-    return;
-
-    }
+       /** failed after RETRY attempts **/
+       outputf("3c90x: Failed to send after %d retries", retries);
+       return;
+}

 
 
 
 
 
 


@@ -805,14 +756,6 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
           "effects.  See 3c90x.txt for info.");
        }
 #endif
           "effects.  See 3c90x.txt for info.");
        }
 #endif

-    {
-    unsigned int tmp;
-    for (tmp = 0; tmp < 0x10; tmp+= 4)
-       outputf("EEPROM adr %02x, data %04x %04x %04x %04x",
-               tmp, eeprom[tmp], eeprom[tmp+1], eeprom[tmp+2], eeprom[tmp+3]);
-    }
-    
-    /* Some type A... */

 
     /** Retrieve the Hardware address and print it on the screen. **/
     INF_3C90X.HWAddr[0] = eeprom[HWADDR_OFFSET + 0]>>8;
 
     /** Retrieve the Hardware address and print it on the screen. **/
     INF_3C90X.HWAddr[0] = eeprom[HWADDR_OFFSET + 0]>>8;


@@ -832,14 +775,14 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
     /** 3C556: Invert MII power **/
     if (INF_3C90X.is3c556) {
        unsigned int tmp;
     /** 3C556: Invert MII power **/
     if (INF_3C90X.is3c556) {
        unsigned int tmp;

-       a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2);
+       _set_window(INF_3C90X.IOAddr, winAddressing2);

        tmp = inw(INF_3C90X.IOAddr + regResetOptions_2_w);
        tmp |= 0x4000;
        _outw(tmp, INF_3C90X.IOAddr + regResetOptions_2_w);
     }
 
     /* Test if the link is good, if not continue */
        tmp = inw(INF_3C90X.IOAddr + regResetOptions_2_w);
        tmp |= 0x4000;
        _outw(tmp, INF_3C90X.IOAddr + regResetOptions_2_w);
     }
 
     /* Test if the link is good, if not continue */

-    a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winDiagnostics4);
+    _set_window(INF_3C90X.IOAddr, winDiagnostics4);

     mstat = inw(INF_3C90X.IOAddr + regMediaStatus_4_w);
     if((mstat & (1<<11)) == 0) {
        outputf("Valid link not established");
     mstat = inw(INF_3C90X.IOAddr + regMediaStatus_4_w);
     if((mstat & (1<<11)) == 0) {
        outputf("Valid link not established");


@@ -847,7 +790,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
     }
 
     /** Program the MAC address into the station address registers **/
     }
 
     /** Program the MAC address into the station address registers **/

-    a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2);
+    _set_window(INF_3C90X.IOAddr, winAddressing2);

     _outw(htons(eeprom[HWADDR_OFFSET + 0]), INF_3C90X.IOAddr + regStationAddress_2_3w);
     _outw(htons(eeprom[HWADDR_OFFSET + 1]), INF_3C90X.IOAddr + regStationAddress_2_3w+2);
     _outw(htons(eeprom[HWADDR_OFFSET + 2]), INF_3C90X.IOAddr + regStationAddress_2_3w+4);
     _outw(htons(eeprom[HWADDR_OFFSET + 0]), INF_3C90X.IOAddr + regStationAddress_2_3w);
     _outw(htons(eeprom[HWADDR_OFFSET + 1]), INF_3C90X.IOAddr + regStationAddress_2_3w+2);
     _outw(htons(eeprom[HWADDR_OFFSET + 2]), INF_3C90X.IOAddr + regStationAddress_2_3w+4);


@@ -867,7 +810,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
      ** Uses Media Option command on B revision, Reset Option on non-B
      ** revision cards -- same register address
      **/
      ** Uses Media Option command on B revision, Reset Option on non-B
      ** revision cards -- same register address
      **/

-    a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winTxRxOptions3);
+    _set_window(INF_3C90X.IOAddr, winTxRxOptions3);

     mopt = inw(INF_3C90X.IOAddr + regResetMediaOptions_3_w);
 
     /** mask out VCO bit that is defined as 10baseFL bit on B-rev cards **/
     mopt = inw(INF_3C90X.IOAddr + regResetMediaOptions_3_w);
 
     /** mask out VCO bit that is defined as 10baseFL bit on B-rev cards **/


@@ -952,50 +895,43 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
     /** enable DC converter for 10-Base-T **/
     if (linktype == 0x0003)
        {
     /** enable DC converter for 10-Base-T **/
     if (linktype == 0x0003)
        {

-       a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdEnableDcConverter, 0);
+       _issue_command(INF_3C90X.IOAddr, cmdEnableDcConverter, 0);

        }
 
     /** Set the link to the type we just determined. **/
        }
 
     /** Set the link to the type we just determined. **/

-    a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winTxRxOptions3);
+    _set_window(INF_3C90X.IOAddr, winTxRxOptions3);

     cfg = inl(INF_3C90X.IOAddr + regInternalConfig_3_l);
     cfg &= ~(0xF<<20);
     cfg |= (linktype<<20);
     _outl(cfg, INF_3C90X.IOAddr + regInternalConfig_3_l);
 
     /** Now that we set the xcvr type, reset the Tx and Rx, re-enable. **/
     cfg = inl(INF_3C90X.IOAddr + regInternalConfig_3_l);
     cfg &= ~(0xF<<20);
     cfg |= (linktype<<20);
     _outl(cfg, INF_3C90X.IOAddr + regInternalConfig_3_l);
 
     /** Now that we set the xcvr type, reset the Tx and Rx, re-enable. **/

-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxReset, 0x00);
-    while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS)
-       ;
-
+    _issue_command(INF_3C90X.IOAddr, cmdTxReset, 0);

     if (!INF_3C90X.isBrev)
        _outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b);
 
     if (!INF_3C90X.isBrev)
        _outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b);
 

-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
+    _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0);

 
     /**
      ** reset of the receiver on B-revision cards re-negotiates the link
      ** takes several seconds (a computer eternity)
      **/
     if (INF_3C90X.isBrev)
 
     /**
      ** reset of the receiver on B-revision cards re-negotiates the link
      ** takes several seconds (a computer eternity)
      **/
     if (INF_3C90X.isBrev)

-       a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxReset, 0x04);
+       _issue_command(INF_3C90X.IOAddr, cmdRxReset, 0x04);

     else
     else

-       a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxReset, 0x00);
-    while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS)
-       ;
+       _issue_command(INF_3C90X.IOAddr, cmdRxReset, 0x00);

 
     /** Set the RX filter = receive only individual pkts & multicast & bcast. **/
 
     /** Set the RX filter = receive only individual pkts & multicast & bcast. **/

-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdSetRxFilter, 0x01 + 0x02 + 0x04);
-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxEnable, 0);
+    _issue_command(INF_3C90X.IOAddr, cmdSetRxFilter, 0x01 + 0x02 + 0x04);
+    _issue_command(INF_3C90X.IOAddr, cmdRxEnable, 0);

 
 
     /**
      ** set Indication and Interrupt flags , acknowledge any IRQ's
      **/
 
 
     /**
      ** set Indication and Interrupt flags , acknowledge any IRQ's
      **/

-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdSetInterruptEnable, 0);
-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr,
-                                 cmdSetIndicationEnable, 0x0014);
-    a3c90x_internal_IssueCommand(INF_3C90X.IOAddr,
-                                 cmdAcknowledgeInterrupt, 0x661);
+    _issue_command(INF_3C90X.IOAddr, cmdSetInterruptEnable, 0);
+    _issue_command(INF_3C90X.IOAddr, cmdSetIndicationEnable, 0x0014);
+    _issue_command(INF_3C90X.IOAddr, cmdAcknowledgeInterrupt, 0x661);

 
     /* * Set our exported functions **/
     nic.poll     = a3c90x_poll;
 
     /* * Set our exported functions **/
     nic.poll     = a3c90x_poll;