linux-vax-kern-commit

[Richard B. <rb...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/drivers/net
In directory usw-pr-cvs1:/tmp/cvs-serv19042/drivers/net

Modified Files:
	vaxsgec.c vaxsgec.h 
Log Message:
First working version of SGEC driver.  Sends and receives packets properly.


Index: vaxsgec.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/drivers/net/vaxsgec.c,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -r1.12 -r1.13
--- vaxsgec.c	31 May 2002 01:26:01 -0000	1.12
+++ vaxsgec.c	31 May 2002 03:50:57 -0000	1.13
@@ -29,9 +29,9 @@
 #include <asm/mv.h>
 
 /* use #undef to turn these off */
-#define VAX_SGEC_DEBUG
-#define VAX_SGEC_DEBUG_LVL2
-#define VAX_SGEC_DEBUG_BUFFERS
+#undef VAX_SGEC_DEBUG
+#undef VAX_SGEC_DEBUG_LVL2
+#undef VAX_SGEC_DEBUG_BUFFERS
 #define VAX_SGEC_AUTOPROBE_IRQ
 
 
@@ -139,8 +139,10 @@
     if ((regs->sg_nicsr5 & SG_NICSR5_TS) != SG_NICSR5_TS_RUN)
     {
 #ifdef VAX_SGEC_DEBUG
+      printk("writing to csr3: lp->rx_new = %d\n",lp->rx_new);
       printk("writing to csr4: lp->tx_old = %d\n",lp->tx_old);
 #endif
+        writereg(&regs->sg_nicsr3,virt_to_phys(& lp->rx_ring [lp->rx_new]));
         writereg(&regs->sg_nicsr4,virt_to_phys(& lp->tx_ring [lp->tx_old]));
 	writereg(&regs->sg_nicsr1,SG_NICSR1_TXPD);
 #ifdef VAX_SGEC_DEBUG
@@ -380,6 +382,12 @@
 
 #ifdef VAX_SGEC_DEBUG
   printk("sgec_rx\n");
+  printk("%d (rx_flags0=0x%04x, framelen=0x%04x, flags1=0x%04x)\n", 
+	 lp->rx_new,
+	 lp->rx_ring [lp->rx_new].flags0,
+	 lp->rx_ring [lp->rx_new].framelen,
+	 lp->rx_ring [lp->rx_new].flags1);
+
 #endif
 
 #ifdef VAX_SGEC_DEBUG_BUFFERS
@@ -501,7 +509,7 @@
   
   while (! (lp->tx_ring [lp->tx_old].tx_err & SG_TDR_OWN))
   {
-      if (lp->tx_old == lp->tx_new)
+    if (lp->tx_old == lp->tx_new)
       {
 #ifdef VAX_SGEC_DEBUG
 	  printk ("    old == new\n");
@@ -580,7 +588,7 @@
 #endif      
     return;
   }
-  writereg(&sg_regs->sg_nicsr5, csr5);  /* clear interrupt */
+  writereg(&sg_regs->sg_nicsr5, csr5);  /* clear interrupts */
 
 #ifdef VAX_SGEC_DEBUG
   printk("for us!\n");

Index: vaxsgec.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/drivers/net/vaxsgec.h,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- vaxsgec.h	28 May 2002 18:41:37 -0000	1.4
+++ vaxsgec.h	31 May 2002 03:50:57 -0000	1.5
@@ -105,6 +105,7 @@
 /* NICSR14: diagnostic breakpoint (v) */
 
 /* NICSR15: monitor command */
+#define SG_NICSR15_INT 0x00010000  /* sets internal level 14 interrupt */
 
 /* Receive descriptor bits */
 #define SG_FR_OWN       0x8000    /* We own the descriptor */
@@ -167,7 +168,7 @@
 #define VSBUS_NISA_ROM	0x27800000  /* 3100/90 (?) */
 #define VXT_NISA_ROM	0x200c4000  /* VXT2000 */
 /* The interrupt vector. */
-#define SGECVEC		0x41   /* 3100/85 */
+#define SGECVEC		0x41   /* was 0x41 3100/85 */
 #define OTHER_SGECVEC	0x108  /* 4000/60 (?) */
 
 /* register offsets */