Merge upstream (approx. 2.6.12-git8) into 'janitor' branch of netdev-2.6.

81 files changed, 26303 insertions, 5328 deletions

diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index b5e07604343..80ec9aa575b 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -2202,9 +2202,8 @@ boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	if (vortex_debug > 6) {
 		printk(KERN_DEBUG "boomerang_start_xmit()\n");
-		if (vortex_debug > 3)
-			printk(KERN_DEBUG "%s: Trying to send a packet, Tx index %d.\n",
-				   dev->name, vp->cur_tx);
+		printk(KERN_DEBUG "%s: Trying to send a packet, Tx index %d.\n",
+			   dev->name, vp->cur_tx);
 	}
 
 	if (vp->cur_tx - vp->dirty_tx >= TX_RING_SIZE) {
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index ca4c9ac7e11..ca7746dd164 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -54,6 +54,7 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
+#include <linux/moduleparam.h>
 #include <linux/kernel.h>
 #include <linux/compiler.h>
 #include <linux/netdevice.h>
@@ -92,16 +93,17 @@ KERN_INFO DRV_NAME ": 10/100 PCI Ethernet driver v" DRV_VERSION " (" DRV_RELDATE
 
 MODULE_AUTHOR("Jeff Garzik <jgarzik@pobox.com>");
 MODULE_DESCRIPTION("RealTek RTL-8139C+ series 10/100 PCI Ethernet driver");
+MODULE_VERSION(DRV_VERSION);
 MODULE_LICENSE("GPL");
 
 static int debug = -1;
-MODULE_PARM (debug, "i");
+module_param(debug, int, 0);
 MODULE_PARM_DESC (debug, "8139cp: bitmapped message enable number");
 
 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
    The RTL chips use a 64 element hash table based on the Ethernet CRC.  */
 static int multicast_filter_limit = 32;
-MODULE_PARM (multicast_filter_limit, "i");
+module_param(multicast_filter_limit, int, 0);
 MODULE_PARM_DESC (multicast_filter_limit, "8139cp: maximum number of filtered multicast addresses");
 
 #define PFX			DRV_NAME ": "
@@ -187,6 +189,9 @@ enum {
 	RingEnd		= (1 << 30), /* End of descriptor ring */
 	FirstFrag	= (1 << 29), /* First segment of a packet */
 	LastFrag	= (1 << 28), /* Final segment of a packet */
+	LargeSend	= (1 << 27), /* TCP Large Send Offload (TSO) */
+	MSSShift	= 16,	     /* MSS value position */
+	MSSMask		= 0xfff,     /* MSS value: 11 bits */
 	TxError		= (1 << 23), /* Tx error summary */
 	RxError		= (1 << 20), /* Rx error summary */
 	IPCS		= (1 << 18), /* Calculate IP checksum */
@@ -313,7 +318,7 @@ struct cp_desc {
 struct ring_info {
 	struct sk_buff		*skb;
 	dma_addr_t		mapping;
-	unsigned		frag;
+	u32			len;
 };
 
 struct cp_dma_stats {
@@ -395,6 +400,9 @@ struct cp_private {
 static void __cp_set_rx_mode (struct net_device *dev);
 static void cp_tx (struct cp_private *cp);
 static void cp_clean_rings (struct cp_private *cp);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void cp_poll_controller(struct net_device *dev);
+#endif
 
 static struct pci_device_id cp_pci_tbl[] = {
 	{ PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8139,
@@ -689,6 +697,19 @@ cp_interrupt (int irq, void *dev_instance, struct pt_regs *regs)
 	return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling receive - used by netconsole and other diagnostic tools
+ * to allow network i/o with interrupts disabled.
+ */
+static void cp_poll_controller(struct net_device *dev)
+{
+	disable_irq(dev->irq);
+	cp_interrupt(dev->irq, dev, NULL);
+	enable_irq(dev->irq);
+}
+#endif
+
 static void cp_tx (struct cp_private *cp)
 {
 	unsigned tx_head = cp->tx_head;
@@ -708,7 +729,7 @@ static void cp_tx (struct cp_private *cp)
 			BUG();
 
 		pci_unmap_single(cp->pdev, cp->tx_skb[tx_tail].mapping,
-					skb->len, PCI_DMA_TODEVICE);
+				 cp->tx_skb[tx_tail].len, PCI_DMA_TODEVICE);
 
 		if (status & LastFrag) {
 			if (status & (TxError | TxFIFOUnder)) {
@@ -750,10 +771,11 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
 {
 	struct cp_private *cp = netdev_priv(dev);
 	unsigned entry;
-	u32 eor;
+	u32 eor, flags;
 #if CP_VLAN_TAG_USED
 	u32 vlan_tag = 0;
 #endif
+	int mss = 0;
 
 	spin_lock_irq(&cp->lock);
 
@@ -773,6 +795,9 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
 
 	entry = cp->tx_head;
 	eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0;
+	if (dev->features & NETIF_F_TSO)
+		mss = skb_shinfo(skb)->tso_size;
+
 	if (skb_shinfo(skb)->nr_frags == 0) {
 		struct cp_desc *txd = &cp->tx_ring[entry];
 		u32 len;
@@ -784,26 +809,26 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
 		txd->addr = cpu_to_le64(mapping);
 		wmb();
 
-		if (skb->ip_summed == CHECKSUM_HW) {
+		flags = eor | len | DescOwn | FirstFrag | LastFrag;
+
+		if (mss)
+			flags |= LargeSend | ((mss & MSSMask) << MSSShift);
+		else if (skb->ip_summed == CHECKSUM_HW) {
 			const struct iphdr *ip = skb->nh.iph;
 			if (ip->protocol == IPPROTO_TCP)
-				txd->opts1 = cpu_to_le32(eor | len | DescOwn |
-							 FirstFrag | LastFrag |
-							 IPCS | TCPCS);
+				flags |= IPCS | TCPCS;
 			else if (ip->protocol == IPPROTO_UDP)
-				txd->opts1 = cpu_to_le32(eor | len | DescOwn |
-							 FirstFrag | LastFrag |
-							 IPCS | UDPCS);
+				flags |= IPCS | UDPCS;
 			else
-				BUG();
-		} else
-			txd->opts1 = cpu_to_le32(eor | len | DescOwn |
-						 FirstFrag | LastFrag);
+				WARN_ON(1);	/* we need a WARN() */
+		}
+
+		txd->opts1 = cpu_to_le32(flags);
 		wmb();
 
 		cp->tx_skb[entry].skb = skb;
 		cp->tx_skb[entry].mapping = mapping;
-		cp->tx_skb[entry].frag = 0;
+		cp->tx_skb[entry].len = len;
 		entry = NEXT_TX(entry);
 	} else {
 		struct cp_desc *txd;
@@ -821,7 +846,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
 					       first_len, PCI_DMA_TODEVICE);
 		cp->tx_skb[entry].skb = skb;
 		cp->tx_skb[entry].mapping = first_mapping;
-		cp->tx_skb[entry].frag = 1;
+		cp->tx_skb[entry].len = first_len;
 		entry = NEXT_TX(entry);
 
 		for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
@@ -837,16 +862,19 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
 						 len, PCI_DMA_TODEVICE);
 			eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0;
 
-			if (skb->ip_summed == CHECKSUM_HW) {
-				ctrl = eor | len | DescOwn | IPCS;
+			ctrl = eor | len | DescOwn;
+
+			if (mss)
+				ctrl |= LargeSend |
+					((mss & MSSMask) << MSSShift);
+			else if (skb->ip_summed == CHECKSUM_HW) {
 				if (ip->protocol == IPPROTO_TCP)
-					ctrl |= TCPCS;
+					ctrl |= IPCS | TCPCS;
 				else if (ip->protocol == IPPROTO_UDP)
-					ctrl |= UDPCS;
+					ctrl |= IPCS | UDPCS;
 				else
 					BUG();
-			} else
-				ctrl = eor | len | DescOwn;
+			}
 
 			if (frag == skb_shinfo(skb)->nr_frags - 1)
 				ctrl |= LastFrag;
@@ -861,7 +889,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
 
 			cp->tx_skb[entry].skb = skb;
 			cp->tx_skb[entry].mapping = mapping;
-			cp->tx_skb[entry].frag = frag + 2;
+			cp->tx_skb[entry].len = len;
 			entry = NEXT_TX(entry);
 		}
 
@@ -1075,7 +1103,6 @@ static int cp_refill_rx (struct cp_private *cp)
 		cp->rx_skb[i].mapping = pci_map_single(cp->pdev,
 			skb->tail, cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
 		cp->rx_skb[i].skb = skb;
-		cp->rx_skb[i].frag = 0;
 
 		cp->rx_ring[i].opts2 = 0;
 		cp->rx_ring[i].addr = cpu_to_le64(cp->rx_skb[i].mapping);
@@ -1127,9 +1154,6 @@ static void cp_clean_rings (struct cp_private *cp)
 {
 	unsigned i;
 
-	memset(cp->rx_ring, 0, sizeof(struct cp_desc) * CP_RX_RING_SIZE);
-	memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);
-
 	for (i = 0; i < CP_RX_RING_SIZE; i++) {
 		if (cp->rx_skb[i].skb) {
 			pci_unmap_single(cp->pdev, cp->rx_skb[i].mapping,
@@ -1141,13 +1165,18 @@ static void cp_clean_rings (struct cp_private *cp)
 	for (i = 0; i < CP_TX_RING_SIZE; i++) {
 		if (cp->tx_skb[i].skb) {
 			struct sk_buff *skb = cp->tx_skb[i].skb;
+
 			pci_unmap_single(cp->pdev, cp->tx_skb[i].mapping,
-					 skb->len, PCI_DMA_TODEVICE);
-			dev_kfree_skb(skb);
+				 	 cp->tx_skb[i].len, PCI_DMA_TODEVICE);
+			if (le32_to_cpu(cp->tx_ring[i].opts1) & LastFrag)
+				dev_kfree_skb(skb);
 			cp->net_stats.tx_dropped++;
 		}
 	}
 
+	memset(cp->rx_ring, 0, sizeof(struct cp_desc) * CP_RX_RING_SIZE);
+	memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);
+
 	memset(&cp->rx_skb, 0, sizeof(struct ring_info) * CP_RX_RING_SIZE);
 	memset(&cp->tx_skb, 0, sizeof(struct ring_info) * CP_TX_RING_SIZE);
 }
@@ -1539,6 +1568,8 @@ static struct ethtool_ops cp_ethtool_ops = {
 	.set_tx_csum		= ethtool_op_set_tx_csum, /* local! */
 	.get_sg			= ethtool_op_get_sg,
 	.set_sg			= ethtool_op_set_sg,
+	.get_tso		= ethtool_op_get_tso,
+	.set_tso		= ethtool_op_set_tso,
 	.get_regs		= cp_get_regs,
 	.get_wol		= cp_get_wol,
 	.set_wol		= cp_set_wol,
@@ -1750,6 +1781,9 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	dev->get_stats = cp_get_stats;
 	dev->do_ioctl = cp_ioctl;
 	dev->poll = cp_rx_poll;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	dev->poll_controller = cp_poll_controller;
+#endif
 	dev->weight = 16;	/* arbitrary? from NAPI_HOWTO.txt. */
 #ifdef BROKEN
 	dev->change_mtu = cp_change_mtu;
@@ -1769,6 +1803,10 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (pci_using_dac)
 		dev->features |= NETIF_F_HIGHDMA;
 
+#if 0 /* disabled by default until verified */
+	dev->features |= NETIF_F_TSO;
+#endif
+
 	dev->irq = pdev->irq;
 
 	rc = register_netdev(dev);
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index d4bd20c21a1..5a4a08a7c95 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -569,7 +569,7 @@ struct rtl_extra_stats {
 };
 
 struct rtl8139_private {
-	void *mmio_addr;
+	void __iomem *mmio_addr;
 	int drv_flags;
 	struct pci_dev *pci_dev;
 	u32 msg_enable;
@@ -614,7 +614,7 @@ MODULE_PARM_DESC (multicast_filter_limit, "8139too maximum number of filtered mu
 MODULE_PARM_DESC (media, "8139too: Bits 4+9: force full duplex, bit 5: 100Mbps");
 MODULE_PARM_DESC (full_duplex, "8139too: Force full duplex for board(s) (1)");
 
-static int read_eeprom (void *ioaddr, int location, int addr_len);
+static int read_eeprom (void __iomem *ioaddr, int location, int addr_len);
 static int rtl8139_open (struct net_device *dev);
 static int mdio_read (struct net_device *dev, int phy_id, int location);
 static void mdio_write (struct net_device *dev, int phy_id, int location,
@@ -638,46 +638,20 @@ static void __set_rx_mode (struct net_device *dev);
 static void rtl8139_hw_start (struct net_device *dev);
 static struct ethtool_ops rtl8139_ethtool_ops;
 
-#ifdef USE_IO_OPS
-
-#define RTL_R8(reg)		inb (((unsigned long)ioaddr) + (reg))
-#define RTL_R16(reg)		inw (((unsigned long)ioaddr) + (reg))
-#define RTL_R32(reg)		((unsigned long) inl (((unsigned long)ioaddr) + (reg)))
-#define RTL_W8(reg, val8)	outb ((val8), ((unsigned long)ioaddr) + (reg))
-#define RTL_W16(reg, val16)	outw ((val16), ((unsigned long)ioaddr) + (reg))
-#define RTL_W32(reg, val32)	outl ((val32), ((unsigned long)ioaddr) + (reg))
-#define RTL_W8_F		RTL_W8
-#define RTL_W16_F		RTL_W16
-#define RTL_W32_F		RTL_W32
-#undef readb
-#undef readw
-#undef readl
-#undef writeb
-#undef writew
-#undef writel
-#define readb(addr) inb((unsigned long)(addr))
-#define readw(addr) inw((unsigned long)(addr))
-#define readl(addr) inl((unsigned long)(addr))
-#define writeb(val,addr) outb((val),(unsigned long)(addr))
-#define writew(val,addr) outw((val),(unsigned long)(addr))
-#define writel(val,addr) outl((val),(unsigned long)(addr))
-
-#else
-
 /* write MMIO register, with flush */
 /* Flush avoids rtl8139 bug w/ posted MMIO writes */
-#define RTL_W8_F(reg, val8)	do { writeb ((val8), ioaddr + (reg)); readb (ioaddr + (reg)); } while (0)
-#define RTL_W16_F(reg, val16)	do { writew ((val16), ioaddr + (reg)); readw (ioaddr + (reg)); } while (0)
-#define RTL_W32_F(reg, val32)	do { writel ((val32), ioaddr + (reg)); readl (ioaddr + (reg)); } while (0)
+#define RTL_W8_F(reg, val8)	do { iowrite8 ((val8), ioaddr + (reg)); ioread8 (ioaddr + (reg)); } while (0)
+#define RTL_W16_F(reg, val16)	do { iowrite16 ((val16), ioaddr + (reg)); ioread16 (ioaddr + (reg)); } while (0)
+#define RTL_W32_F(reg, val32)	do { iowrite32 ((val32), ioaddr + (reg)); ioread32 (ioaddr + (reg)); } while (0)
 
 
 #define MMIO_FLUSH_AUDIT_COMPLETE 1
 #if MMIO_FLUSH_AUDIT_COMPLETE
 
 /* write MMIO register */
-#define RTL_W8(reg, val8)	writeb ((val8), ioaddr + (reg))
-#define RTL_W16(reg, val16)	writew ((val16), ioaddr + (reg))
-#define RTL_W32(reg, val32)	writel ((val32), ioaddr + (reg))
+#define RTL_W8(reg, val8)	iowrite8 ((val8), ioaddr + (reg))
+#define RTL_W16(reg, val16)	iowrite16 ((val16), ioaddr + (reg))
+#define RTL_W32(reg, val32)	iowrite32 ((val32), ioaddr + (reg))
 
 #else
 
@@ -689,11 +663,9 @@ static struct ethtool_ops rtl8139_ethtool_ops;
 #endif /* MMIO_FLUSH_AUDIT_COMPLETE */
 
 /* read MMIO register */
-#define RTL_R8(reg)		readb (ioaddr + (reg))
-#define RTL_R16(reg)		readw (ioaddr + (reg))
-#define RTL_R32(reg)		((unsigned long) readl (ioaddr + (reg)))
-
-#endif /* USE_IO_OPS */
+#define RTL_R8(reg)		ioread8 (ioaddr + (reg))
+#define RTL_R16(reg)		ioread16 (ioaddr + (reg))
+#define RTL_R32(reg)		((unsigned long) ioread32 (ioaddr + (reg)))
 
 
 static const u16 rtl8139_intr_mask =
@@ -740,10 +712,13 @@ static void __rtl8139_cleanup_dev (struct net_device *dev)
 	assert (tp->pci_dev != NULL);
 	pdev = tp->pci_dev;
 
-#ifndef USE_IO_OPS
+#ifdef USE_IO_OPS
+	if (tp->mmio_addr)
+		ioport_unmap (tp->mmio_addr);
+#else
 	if (tp->mmio_addr)
-		iounmap (tp->mmio_addr);
-#endif /* !USE_IO_OPS */
+		pci_iounmap (pdev, tp->mmio_addr);
+#endif /* USE_IO_OPS */
 
 	/* it's ok to call this even if we have no regions to free */
 	pci_release_regions (pdev);
@@ -753,7 +728,7 @@ static void __rtl8139_cleanup_dev (struct net_device *dev)
 }
 
 
-static void rtl8139_chip_reset (void *ioaddr)
+static void rtl8139_chip_reset (void __iomem *ioaddr)
 {
 	int i;
 
@@ -773,7 +748,7 @@ static void rtl8139_chip_reset (void *ioaddr)
 static int __devinit rtl8139_init_board (struct pci_dev *pdev,
 					 struct net_device **dev_out)
 {
-	void *ioaddr;
+	void __iomem *ioaddr;
 	struct net_device *dev;
 	struct rtl8139_private *tp;
 	u8 tmp8;
@@ -855,13 +830,18 @@ static int __devinit rtl8139_init_board (struct pci_dev *pdev,
 	pci_set_master (pdev);
 
 #ifdef USE_IO_OPS
-	ioaddr = (void *) pio_start;
+	ioaddr = ioport_map(pio_start, pio_len);
+	if (!ioaddr) {
+		printk (KERN_ERR PFX "%s: cannot map PIO, aborting\n", pci_name(pdev));
+		rc = -EIO;
+		goto err_out;
+	}
 	dev->base_addr = pio_start;
 	tp->mmio_addr = ioaddr;
 	tp->regs_len = pio_len;
 #else
 	/* ioremap MMIO region */
-	ioaddr = ioremap (mmio_start, mmio_len);
+	ioaddr = pci_iomap(pdev, 1, 0);
 	if (ioaddr == NULL) {
 		printk (KERN_ERR PFX "%s: cannot remap MMIO, aborting\n", pci_name(pdev));
 		rc = -EIO;
@@ -947,7 +927,7 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev,
 	struct net_device *dev = NULL;<