patch-2.3.15 linux/drivers/net/acenic.c

• Lines: 116
• Date: Mon Aug 23 10:12:37 1999
• Orig file: v2.3.14/linux/drivers/net/acenic.c
• Orig date: Wed Aug 18 11:36:41 1999

diff -u --recursive --new-file v2.3.14/linux/drivers/net/acenic.c linux/drivers/net/acenic.c
@@ -2,7 +2,7 @@
  * acenic.c: Linux driver for the Alteon AceNIC Gigabit Ethernet card
  *           and other Tigon based cards.
  *
- * Copyright 1998 by Jes Sorensen, <Jes.Sorensen@cern.ch>.
+ * Copyright 1998, 1999 by Jes Sorensen, <Jes.Sorensen@cern.ch>.
  *
  * Thanks to Alteon and 3Com for providing hardware and documentation
  * enabling me to write this driver.
@@ -67,6 +67,15 @@
 #define PCI_VENDOR_ID_NETGEAR		0x1385
 #define PCI_DEVICE_ID_NETGEAR_GA620	0x620a
 #endif
+/*
+ * They used the DEC vendor ID by mistake
+ */
+#ifndef PCI_DEVICE_ID_FARALLON_PN9000SX
+#define PCI_DEVICE_ID_FARALLON_PN9000SX 0x1a
+#endif
+#ifndef PCI_VENDOR_ID_SGI_ACENIC
+#define PCI_DEVICE_ID_SGI_ACENIC      0x0009
+#endif
 
 /*
  * This driver currently supports Tigon I and Tigon II based cards
@@ -156,10 +165,10 @@
  * Default values for tuning parameters
  */
 #define DEF_TX_RATIO	31
-#define DEF_TX_COAL	TICKS_PER_SEC / 500
-#define DEF_TX_MAX_DESC	7
-#define DEF_RX_COAL	TICKS_PER_SEC / 10000
-#define DEF_RX_MAX_DESC	2
+#define DEF_TX_COAL	1000
+#define DEF_TX_MAX_DESC	40
+#define DEF_RX_COAL	1000
+#define DEF_RX_MAX_DESC	20
 #define DEF_TRACE	0
 #define DEF_STAT	2 * TICKS_PER_SEC
 
@@ -171,7 +180,7 @@
 static int max_rx_desc[8] = {0, };
 static int tx_ratio[8] = {0, };
 
-static const char __initdata *version = "acenic.c: v0.32 03/15/99  Jes Sorensen (Jes.Sorensen@cern.ch)\n";
+static const char __initdata *version = "acenic.c: v0.33a 08/16/99  Jes Sorensen (Jes.Sorensen@cern.ch)\n";
 
 static struct net_device *root_dev = NULL;
 
@@ -208,7 +217,15 @@
 		    !((pdev->vendor == PCI_VENDOR_ID_3COM) &&
 		      (pdev->device == PCI_DEVICE_ID_3COM_3C985)) &&
 		    !((pdev->vendor == PCI_VENDOR_ID_NETGEAR) &&
-		      (pdev->device == PCI_DEVICE_ID_NETGEAR_GA620)))
+		      (pdev->device == PCI_DEVICE_ID_NETGEAR_GA620)) &&
+		/*
+		 * Farallon used the DEC vendor ID on their cards by
+		 * mistake for a while
+		 */
+		    !((pdev->vendor == PCI_VENDOR_ID_DEC) &&
+		      (pdev->device == PCI_DEVICE_ID_FARALLON_PN9000SX)) &&
+		    !((pdev->vendor == PCI_VENDOR_ID_SGI) &&
+		      (pdev->device == PCI_DEVICE_ID_SGI_ACENIC)))
 			continue;
 
 		dev = init_etherdev(dev, sizeof(struct ace_private));
@@ -282,6 +299,18 @@
 			sprintf(ap->name, "NetGear GA620 Gigabit Ethernet");
 			printk(KERN_INFO "%s: NetGear GA620 ", dev->name);
 			break;
+		case PCI_VENDOR_ID_DEC:
+			if (pdev->device == PCI_DEVICE_ID_FARALLON_PN9000SX) {
+				sprintf(ap->name, "Farallon PN9000-SX "
+					"Gigabit Ethernet");
+				printk(KERN_INFO "%s: Farallon PN9000-SX ",
+				       dev->name);
+				break;
+			}
+		case PCI_VENDOR_ID_SGI:
+			sprintf(ap->name, "SGI AceNIC Gigabit Ethernet");
+			printk(KERN_INFO "%s: SGI AceNIC ", dev->name);
+			break;
 		default:
 			sprintf(ap->name, "Unknown AceNIC based Gigabit Ethernet");
 			printk(KERN_INFO "%s: Unknown AceNIC ", dev->name);
@@ -569,7 +598,7 @@
 	 * and the control blocks for the transmit and receive rings
 	 * as they need to be setup once and for all.
 	 */
-	if (!(info = kmalloc(sizeof(struct ace_info), GFP_KERNEL | GFP_DMA))){
+	if (!(info = kmalloc(sizeof(struct ace_info), GFP_KERNEL))){
 		free_irq(dev->irq, dev);
 		return -EAGAIN;
 	}
@@ -1162,6 +1191,12 @@
 		skb->dev = dev;
 		skb->protocol = eth_type_trans(skb, dev);
 
+#if 0
+		/*
+		 * This was never actually enabled in the RX descriptors
+		 * anyway - it requires a bit more testing before enabling
+		 * it again.
+		 */
 		/*
 		 * If the checksum is correct and this is not a
 		 * fragment, tell the stack that the data is correct.
@@ -1172,7 +1207,7 @@
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 		else
 			skb->ip_summed = CHECKSUM_NONE;
-
+#endif
 		netif_rx(skb);		/* send it up */
 
 		ap->stats.rx_packets++;