Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/k…

…ernel/git/jgarzik/netdev-2.6

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
  MACB: clear transmit buffers properly on transmit underrun
  3c359 endianness annotations and fixes
  fec_mpc52xx: write in C...
  3c574 and 3c589 endianness fixes (.24?)
  rrunner: use offsetof() instead of homegrown insanity
  r8169 endianness
  dl2k endianness fixes (.24 fodder?)
  yellowfin: annotations and fixes (.24 fodder?)
  asix fixes
  cycx: annotations and fixes (.24 fodder?)
  typhoon: trivial endianness annotations
  typhoon: memory corruptor on big-endian if TSO is enabled
  typhoon: missed rx overruns on big-endian
  typhoon: set_settings broken on big-endian
  typhoon: missing le32_to_cpu() in get_drvinfo
  typhoon: endianness bug in tx/rx byte counters
  ipw2200: prevent alloc of unspecified size on stack
  iwlwifi: fix possible priv->mutex deadlock during suspend
  p54: add Kconfig description
  rtl8187: Add USB ID for Sitecom WL-168 v1 001

drivers/net/dl2k.c

@@ -332,7 +332,7 @@ parse_eeprom (struct net_device *dev)
 #endif
 	/* Read eeprom */
 	for (i = 0; i < 128; i++) {
-		((u16 *) sromdata)[i] = le16_to_cpu (read_eeprom (ioaddr, i));
+		((__le16 *) sromdata)[i] = cpu_to_le16(read_eeprom (ioaddr, i));
 	}
 #ifdef	MEM_MAPPING
 	ioaddr = dev->base_addr;
@@ -516,7 +516,7 @@ rio_timer (unsigned long data)
 					  PCI_DMA_FROMDEVICE));
 			}
 			np->rx_ring[entry].fraginfo |=
-			    cpu_to_le64 (np->rx_buf_sz) << 48;
+			    cpu_to_le64((u64)np->rx_buf_sz << 48);
 			np->rx_ring[entry].status = 0;
 		} /* end for */
 	} /* end if */
@@ -584,11 +584,11 @@ alloc_list (struct net_device *dev)
 		    cpu_to_le64 ( pci_map_single (
 			 	  np->pdev, skb->data, np->rx_buf_sz,
 				  PCI_DMA_FROMDEVICE));
-		np->rx_ring[i].fraginfo |= cpu_to_le64 (np->rx_buf_sz) << 48;
+		np->rx_ring[i].fraginfo |= cpu_to_le64((u64)np->rx_buf_sz << 48);
 	}
 
 	/* Set RFDListPtr */
-	writel (cpu_to_le32 (np->rx_ring_dma), dev->base_addr + RFDListPtr0);
+	writel (np->rx_ring_dma, dev->base_addr + RFDListPtr0);
 	writel (0, dev->base_addr + RFDListPtr1);
 
 	return;
@@ -620,15 +620,14 @@ start_xmit (struct sk_buff *skb, struct net_device *dev)
 	}
 #endif
 	if (np->vlan) {
-		tfc_vlan_tag =
-		    cpu_to_le64 (VLANTagInsert) |
-		    (cpu_to_le64 (np->vlan) << 32) |
-		    (cpu_to_le64 (skb->priority) << 45);
+		tfc_vlan_tag = VLANTagInsert |
+		    ((u64)np->vlan << 32) |
+		    ((u64)skb->priority << 45);
 	}
 	txdesc->fraginfo = cpu_to_le64 (pci_map_single (np->pdev, skb->data,
 							skb->len,
 							PCI_DMA_TODEVICE));
-	txdesc->fraginfo |= cpu_to_le64 (skb->len) << 48;
+	txdesc->fraginfo |= cpu_to_le64((u64)skb->len << 48);
 
 	/* DL2K bug: DMA fails to get next descriptor ptr in 10Mbps mode
 	 * Work around: Always use 1 descriptor in 10Mbps mode */
@@ -708,6 +707,11 @@ rio_interrupt (int irq, void *dev_instance)
 	return IRQ_RETVAL(handled);
 }
 
+static inline dma_addr_t desc_to_dma(struct netdev_desc *desc)
+{
+	return le64_to_cpu(desc->fraginfo) & DMA_48BIT_MASK;
+}
+
 static void
 rio_free_tx (struct net_device *dev, int irq)
 {
@@ -725,11 +729,11 @@ rio_free_tx (struct net_device *dev, int irq)
 	while (entry != np->cur_tx) {
 		struct sk_buff *skb;
 
-		if (!(np->tx_ring[entry].status & TFDDone))
+		if (!(np->tx_ring[entry].status & cpu_to_le64(TFDDone)))
 			break;
 		skb = np->tx_skbuff[entry];
 		pci_unmap_single (np->pdev,
-				  np->tx_ring[entry].fraginfo & DMA_48BIT_MASK,
+				  desc_to_dma(&np->tx_ring[entry]),
 				  skb->len, PCI_DMA_TODEVICE);
 		if (irq)
 			dev_kfree_skb_irq (skb);
@@ -831,13 +835,14 @@ receive_packet (struct net_device *dev)
 		int pkt_len;
 		u64 frame_status;
 
-		if (!(desc->status & RFDDone) ||
-		    !(desc->status & FrameStart) || !(desc->status & FrameEnd))
+		if (!(desc->status & cpu_to_le64(RFDDone)) ||
+		    !(desc->status & cpu_to_le64(FrameStart)) ||
+		    !(desc->status & cpu_to_le64(FrameEnd)))
 			break;
 
 		/* Chip omits the CRC. */
-		pkt_len = le64_to_cpu (desc->status & 0xffff);
-		frame_status = le64_to_cpu (desc->status);
+		frame_status = le64_to_cpu(desc->status);
+		pkt_len = frame_status & 0xffff;
 		if (--cnt < 0)
 			break;
 		/* Update rx error statistics, drop packet. */
@@ -857,15 +862,14 @@ receive_packet (struct net_device *dev)
 			/* Small skbuffs for short packets */
 			if (pkt_len > copy_thresh) {
 				pci_unmap_single (np->pdev,
-						  desc->fraginfo & DMA_48BIT_MASK,
+						  desc_to_dma(desc),
 						  np->rx_buf_sz,
 						  PCI_DMA_FROMDEVICE);
 				skb_put (skb = np->rx_skbuff[entry], pkt_len);
 				np->rx_skbuff[entry] = NULL;
 			} else if ((skb = dev_alloc_skb (pkt_len + 2)) != NULL) {
 				pci_dma_sync_single_for_cpu(np->pdev,
-				  			    desc->fraginfo &
-							    	DMA_48BIT_MASK,
+							    desc_to_dma(desc),
 							    np->rx_buf_sz,
 							    PCI_DMA_FROMDEVICE);
 				/* 16 byte align the IP header */
@@ -875,8 +879,7 @@ receive_packet (struct net_device *dev)
 						  pkt_len);
 				skb_put (skb, pkt_len);
 				pci_dma_sync_single_for_device(np->pdev,
-				  			       desc->fraginfo &
-							       	 DMA_48BIT_MASK,
+							       desc_to_dma(desc),
 							       np->rx_buf_sz,
 							       PCI_DMA_FROMDEVICE);
 			}
@@ -919,7 +922,7 @@ receive_packet (struct net_device *dev)
 					  PCI_DMA_FROMDEVICE));
 		}
 		np->rx_ring[entry].fraginfo |=
-		    cpu_to_le64 (np->rx_buf_sz) << 48;
+		    cpu_to_le64((u64)np->rx_buf_sz << 48);
 		np->rx_ring[entry].status = 0;
 		entry = (entry + 1) % RX_RING_SIZE;
 	}
@@ -1121,7 +1124,7 @@ set_multicast (struct net_device *dev)
 
 	hash_table[0] = hash_table[1] = 0;
 	/* RxFlowcontrol DA: 01-80-C2-00-00-01. Hash index=0x39 */
-	hash_table[1] |= cpu_to_le32(0x02000000);
+	hash_table[1] |= 0x02000000;
 	if (dev->flags & IFF_PROMISC) {
 		/* Receive all frames promiscuously. */
 		rx_mode = ReceiveAllFrames;
@@ -1762,7 +1765,7 @@ rio_close (struct net_device *dev)
 		skb = np->rx_skbuff[i];
 		if (skb) {
 			pci_unmap_single(np->pdev,
-					 np->rx_ring[i].fraginfo & DMA_48BIT_MASK,
+					 desc_to_dma(&np->rx_ring[i]),
 					 skb->len, PCI_DMA_FROMDEVICE);
 			dev_kfree_skb (skb);
 			np->rx_skbuff[i] = NULL;
@@ -1772,7 +1775,7 @@ rio_close (struct net_device *dev)
 		skb = np->tx_skbuff[i];
 		if (skb) {
 			pci_unmap_single(np->pdev,
-					 np->tx_ring[i].fraginfo & DMA_48BIT_MASK,
+					 desc_to_dma(&np->tx_ring[i]),
 					 skb->len, PCI_DMA_TODEVICE);
 			dev_kfree_skb (skb);
 			np->tx_skbuff[i] = NULL;

drivers/net/dl2k.h

@@ -633,9 +633,9 @@ struct mii_data {
 
 /* The Rx and Tx buffer descriptors. */
 struct netdev_desc {
-	u64 next_desc;
-	u64 status;
-	u64 fraginfo;
+	__le64 next_desc;
+	__le64 status;
+	__le64 fraginfo;
 };
 
 #define PRIV_ALIGN	15	/* Required alignment mask */

drivers/net/fec_mpc52xx.c

@@ -568,8 +568,9 @@ static void mpc52xx_fec_reset_stats(struct net_device *dev)
 	struct mpc52xx_fec __iomem *fec = priv->fec;
 
 	out_be32(&fec->mib_control, FEC_MIB_DISABLE);
-	memset_io(&fec->rmon_t_drop, 0,	(__force u32)&fec->reserved10 -
-			(__force u32)&fec->rmon_t_drop);
+	memset_io(&fec->rmon_t_drop, 0,
+		   offsetof(struct mpc52xx_fec, reserved10) -
+		   offsetof(struct mpc52xx_fec, rmon_t_drop));
 	out_be32(&fec->mib_control, 0);
 
 	memset(&dev->stats, 0, sizeof(dev->stats));

drivers/net/macb.c

@@ -307,8 +307,31 @@ static void macb_tx(struct macb *bp)
 		(unsigned long)status);
 
 	if (status & MACB_BIT(UND)) {
+		int i;
 		printk(KERN_ERR "%s: TX underrun, resetting buffers\n",
-		       bp->dev->name);
+			bp->dev->name);
+
+		head = bp->tx_head;
+
+		/*Mark all the buffer as used to avoid sending a lost buffer*/
+		for (i = 0; i < TX_RING_SIZE; i++)
+			bp->tx_ring[i].ctrl = MACB_BIT(TX_USED);
+
+		/* free transmit buffer in upper layer*/
+		for (tail = bp->tx_tail; tail != head; tail = NEXT_TX(tail)) {
+			struct ring_info *rp = &bp->tx_skb[tail];
+			struct sk_buff *skb = rp->skb;
+
+			BUG_ON(skb == NULL);
+
+			rmb();
+
+			dma_unmap_single(&bp->pdev->dev, rp->mapping, skb->len,
+							 DMA_TO_DEVICE);
+			rp->skb = NULL;
+			dev_kfree_skb_irq(skb);
+		}
+
 		bp->tx_head = bp->tx_tail = 0;
 	}
 

drivers/net/pcmcia/3c574_cs.c

@@ -337,15 +337,15 @@ static int tc574_config(struct pcmcia_device *link)
 	struct net_device *dev = link->priv;
 	struct el3_private *lp = netdev_priv(dev);
 	tuple_t tuple;
-	unsigned short buf[32];
+	__le16 buf[32];
 	int last_fn, last_ret, i, j;
 	kio_addr_t ioaddr;
-	u16 *phys_addr;
+	__be16 *phys_addr;
 	char *cardname;
 	union wn3_config config;
 	DECLARE_MAC_BUF(mac);
 
-	phys_addr = (u16 *)dev->dev_addr;
+	phys_addr = (__be16 *)dev->dev_addr;
 
 	DEBUG(0, "3c574_config(0x%p)\n", link);
 
@@ -378,12 +378,12 @@ static int tc574_config(struct pcmcia_device *link)
 	if (pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) {
 		pcmcia_get_tuple_data(link, &tuple);
 		for (i = 0; i < 3; i++)
-			phys_addr[i] = htons(buf[i]);
+			phys_addr[i] = htons(le16_to_cpu(buf[i]));
 	} else {
 		EL3WINDOW(0);
 		for (i = 0; i < 3; i++)
 			phys_addr[i] = htons(read_eeprom(ioaddr, i + 10));
-		if (phys_addr[0] == 0x6060) {
+		if (phys_addr[0] == htons(0x6060)) {
 			printk(KERN_NOTICE "3c574_cs: IO port conflict at 0x%03lx"
 				   "-0x%03lx\n", dev->base_addr, dev->base_addr+15);
 			goto failed;

drivers/net/pcmcia/3c589_cs.c

@@ -251,15 +251,16 @@ static int tc589_config(struct pcmcia_device *link)
     struct net_device *dev = link->priv;
     struct el3_private *lp = netdev_priv(dev);
     tuple_t tuple;
-    u16 buf[32], *phys_addr;
+    __le16 buf[32];
+    __be16 *phys_addr;
     int last_fn, last_ret, i, j, multi = 0, fifo;
     kio_addr_t ioaddr;
     char *ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
     DECLARE_MAC_BUF(mac);
 
     DEBUG(0, "3c589_config(0x%p)\n", link);
 
-    phys_addr = (u16 *)dev->dev_addr;
+    phys_addr = (__be16 *)dev->dev_addr;
     tuple.Attributes = 0;
     tuple.TupleData = (cisdata_t *)buf;
     tuple.TupleDataMax = sizeof(buf);
@@ -298,11 +299,11 @@ static int tc589_config(struct pcmcia_device *link)
     if (pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) {
 	pcmcia_get_tuple_data(link, &tuple);
 	for (i = 0; i < 3; i++)
-	    phys_addr[i] = htons(buf[i]);
+	    phys_addr[i] = htons(le16_to_cpu(buf[i]));
     } else {
 	for (i = 0; i < 3; i++)
 	    phys_addr[i] = htons(read_eeprom(ioaddr, i));
-	if (phys_addr[0] == 0x6060) {
+	if (phys_addr[0] == htons(0x6060)) {
 	    printk(KERN_ERR "3c589_cs: IO port conflict at 0x%03lx"
 		   "-0x%03lx\n", dev->base_addr, dev->base_addr+15);
 	    goto failed;

drivers/net/r8169.c

@@ -2211,7 +2211,7 @@ static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
 
 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
 {
-	desc->addr = 0x0badbadbadbadbadull;
+	desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
 	desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
 }
 
@@ -2835,7 +2835,7 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
 		}
 
 		/* Work around for AMD plateform. */
-		if ((desc->opts2 & 0xfffe000) &&
+		if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
 		    (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
 			desc->opts2 = 0;
 			cur_rx++;