X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/c25f3f39d2a544a91a8a96ea90bda1dc1d77b76a..d0dc32550bab5d545b91dd76003f04b827968f41:/net/3c90x.c?ds=inline

diff --git a/net/3c90x.c b/net/3c90x.c
index 336e2a7..46fe6f1 100644
--- a/net/3c90x.c
+++ b/net/3c90x.c
@@ -45,6 +45,7 @@
 #include <pci-bother.h>
 #include <minilib.h>
 #include <output.h>
+#include <paging.h>
 
 #define	XCVR_MAGIC	(0x5A00)
 /** any single transmission fails after 16 collisions or other errors
@@ -223,8 +224,6 @@ typedef struct
     {
     unsigned int	DnNextPtr;
     unsigned int	FrameStartHeader;
-    unsigned int	HdrAddr;
-    unsigned int	HdrLength;
     unsigned int	DataAddr;
     unsigned int	DataLength;
     }
@@ -474,18 +473,25 @@ static void a3c90x_reset(void)
  *** pkt - the pointer to the packet data itself.
  ***/
 static void
-a3c90x_transmit(const char *dest_addr, unsigned int proto,
-                unsigned int size, const char *pkt)
+a3c90x_transmit(unsigned int size, const char *pkt)
 {
-	struct eth_hdr
-	{
-		unsigned char dst_addr[ETH_ALEN];
-		unsigned char src_addr[ETH_ALEN];
-		unsigned short type;
-	} hdr;
-		
 	unsigned char status;
 	unsigned int i, retries;
+	static unsigned int stillwaiting = 0;
+
+	if (stillwaiting)
+	{
+		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));
+		}
+		status = inb(INF_3C90X.IOAddr + regTxStatus_b);
+		outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00);
+		stillwaiting = 0;
+	}
 
 	for (retries=0; retries < XMIT_RETRIES; retries++)
 	{
@@ -494,42 +500,31 @@ a3c90x_transmit(const char *dest_addr, unsigned int proto,
 		
 		_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.FrameStartHeader = (size) | 0x8000;
+		INF_3C90X.TransmitDPD.DataAddr = v2p((void*)pkt);
 		INF_3C90X.TransmitDPD.DataLength = size + (1<<31);
 
 		/** Send the packet **/
-		outl(INF_3C90X.IOAddr + regDnListPtr_l, virt_to_bus(&(INF_3C90X.TransmitDPD)));
+		outl(INF_3C90X.IOAddr + regDnListPtr_l, v2p(&(INF_3C90X.TransmitDPD)));
 		_issue_command(INF_3C90X.IOAddr, cmdStallCtl, 3 /* Unstall download */);
 		
-		oneshot_start_ms(100);
+		oneshot_start_ms(10);
 		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));
+			outputf("3c90x: Download engine pointer timeout");
 			continue;
 		}
-		status = inb(INF_3C90X.IOAddr + regTxStatus_b);
-		outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00);
+
+		oneshot_start_ms(10);
+		stillwaiting = 1;
+		break;
 		
+#if 0		
 		/** successful completion (sans "interrupt Requested" bit) **/
 		if ((status & 0xbf) == 0x80)
 			return;
@@ -560,6 +555,7 @@ a3c90x_transmit(const char *dest_addr, unsigned int proto,
 			outputf("3c90x: Internal Error - Incomplete Transmission (%hhX)", status);
 			a3c90x_reset();
 		}
+#endif
 	}
 
 	/** failed after RETRY attempts **/
@@ -593,11 +589,11 @@ a3c90x_poll(struct nic *nic, int retrieve)
     /** Build the up-load descriptor **/
     INF_3C90X.ReceiveUPD.UpNextPtr = 0;
     INF_3C90X.ReceiveUPD.UpPktStatus = 0;
-    INF_3C90X.ReceiveUPD.DataAddr = virt_to_bus(nic->packet);
+    INF_3C90X.ReceiveUPD.DataAddr = v2p(nic->packet);
     INF_3C90X.ReceiveUPD.DataLength = 1536 + (1<<31);
 
     /** Submit the upload descriptor to the NIC **/
-    _outl(virt_to_bus(&(INF_3C90X.ReceiveUPD)),
+    _outl(v2p(&(INF_3C90X.ReceiveUPD)),
          INF_3C90X.IOAddr + regUpListPtr_l);
 
     /** Wait for upload completion (upComplete(15) or upError (14)) **/
@@ -936,6 +932,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
     /* * Set our exported functions **/
     nic.poll     = a3c90x_poll;
     nic.transmit = a3c90x_transmit;
+    memcpy(nic.hwaddr, INF_3C90X.HWAddr, 6);
     eth_register(&nic);
 
     return 1;