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

…nel/git/jgarzik/netdev-2.6

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (26 commits)
  netdev: i82596 Ethernet needs <asm/cacheflush.h>
  forcedeth: mcp73 device addition
  forcedeth: new device ids in pci_ids.h
  atl1: make atl1_init_ring_ptrs static
  eHEA: net_poll support
  drivers/net/acenic.c: fix check-after-use
  defxx: Use __maybe_unused rather than a local hack
  Fix error checking in Vitesse IRQ config
  ps3: reduce allocation size of rx skb buffers
  atl1: use kernel provided ethernet length constants
  atl1: fix typo in dma_req_block
  atl1: change cmb write threshold
  atl1: fix typo in DMA engine setup
  atl1: change tpd_avail function name
  ps3: fix rare issue that reenabling rx DMA fails
  ps3: removed calling netif_poll_enable() in open()
  ps3: use ethX as the name of irq
  ps3: use net_device_stats of net_device structure
  ps3: removed conditional ethtool support
  ps3: removed defines no longer used
  ...

drivers/net/82596.c

@@ -57,6 +57,7 @@
 #include <asm/io.h>
 #include <asm/dma.h>
 #include <asm/pgtable.h>
+#include <asm/cacheflush.h>
 
 static char version[] __initdata =
 	"82596.c $Revision: 1.5 $\n";

drivers/net/Makefile

@@ -18,7 +18,7 @@ gianfar_driver-objs := gianfar.o \
 		gianfar_sysfs.o
 
 obj-$(CONFIG_UCC_GETH) += ucc_geth_driver.o
-ucc_geth_driver-objs := ucc_geth.o ucc_geth_mii.o
+ucc_geth_driver-objs := ucc_geth.o ucc_geth_mii.o ucc_geth_ethtool.o
 
 #
 # link order important here

drivers/net/acenic.c

@@ -3128,12 +3128,6 @@ static int __devinit read_eeprom_byte(struct net_device *dev,
 	int result = 0;
 	short i;
 
-	if (!dev) {
-		printk(KERN_ERR "No device!\n");
-		result = -ENODEV;
-		goto out;
-	}
-
 	/*
 	 * Don't take interrupts on this CPU will bit banging
 	 * the %#%#@$ I2C device

drivers/net/atl1/atl1_hw.h

@@ -680,11 +680,6 @@ void atl1_check_options(struct atl1_adapter *adapter);
 #define AUTONEG_ADVERTISE_10_100_ALL	0x000F	/* All 10/100 speeds */
 #define AUTONEG_ADVERTISE_10_ALL	0x0003	/* 10Mbps Full & Half speeds */
 
-/* The size (in bytes) of a ethernet packet */
-#define ENET_HEADER_SIZE		14
-#define MAXIMUM_ETHERNET_FRAME_SIZE	1518	/* with FCS */
-#define MINIMUM_ETHERNET_FRAME_SIZE	64	/* with FCS */
-#define ETHERNET_FCS_SIZE		4
 #define MAX_JUMBO_FRAME_SIZE		0x2800
 
 #define PHY_AUTO_NEG_TIME	45	/* 4.5 Seconds */
@@ -929,8 +924,8 @@ enum atl1_dma_req_block {
 	atl1_dma_req_128 = 0,
 	atl1_dma_req_256 = 1,
 	atl1_dma_req_512 = 2,
-	atl1_dam_req_1024 = 3,
-	atl1_dam_req_2048 = 4,
+	atl1_dma_req_1024 = 3,
+	atl1_dma_req_2048 = 4,
 	atl1_dma_req_4096 = 5
 };
 

drivers/net/atl1/atl1_main.c

@@ -59,6 +59,7 @@
 #include <linux/skbuff.h>
 #include <linux/etherdevice.h>
 #include <linux/if_vlan.h>
+#include <linux/if_ether.h>
 #include <linux/irqreturn.h>
 #include <linux/workqueue.h>
 #include <linux/timer.h>
@@ -120,8 +121,8 @@ static int __devinit atl1_sw_init(struct atl1_adapter *adapter)
 	struct atl1_hw *hw = &adapter->hw;
 	struct net_device *netdev = adapter->netdev;
 
-	hw->max_frame_size = netdev->mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
-	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
+	hw->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
+	hw->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
 
 	adapter->wol = 0;
 	adapter->rx_buffer_len = (hw->max_frame_size + 7) & ~7;
@@ -314,7 +315,7 @@ s32 atl1_setup_ring_resources(struct atl1_adapter *adapter)
 	return -ENOMEM;
 }
 
-void atl1_init_ring_ptrs(struct atl1_adapter *adapter)
+static void atl1_init_ring_ptrs(struct atl1_adapter *adapter)
 {
 	struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring;
 	struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring;
@@ -688,9 +689,9 @@ static int atl1_change_mtu(struct net_device *netdev, int new_mtu)
 {
 	struct atl1_adapter *adapter = netdev_priv(netdev);
 	int old_mtu = netdev->mtu;
-	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
+	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
 
-	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
+	if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) ||
 	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
 		dev_warn(&adapter->pdev->dev, "invalid MTU setting\n");
 		return -EINVAL;
@@ -908,16 +909,19 @@ static u32 atl1_configure(struct atl1_adapter *adapter)
 	/* config DMA Engine */
 	value = ((((u32) hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK)
 		<< DMA_CTRL_DMAR_BURST_LEN_SHIFT) |
-		((((u32) hw->dmaw_block) & DMA_CTRL_DMAR_BURST_LEN_MASK)
-		<< DMA_CTRL_DMAR_BURST_LEN_SHIFT) | DMA_CTRL_DMAR_EN |
+		((((u32) hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK)
+		<< DMA_CTRL_DMAW_BURST_LEN_SHIFT) | DMA_CTRL_DMAR_EN |
 		DMA_CTRL_DMAW_EN;
 	value |= (u32) hw->dma_ord;
 	if (atl1_rcb_128 == hw->rcb_value)
 		value |= DMA_CTRL_RCB_VALUE;
 	iowrite32(value, hw->hw_addr + REG_DMA_CTRL);
 
 	/* config CMB / SMB */
-	value = hw->cmb_rrd | ((u32) hw->cmb_tpd << 16);
+	value = (hw->cmb_tpd > adapter->tpd_ring.count) ?
+		hw->cmb_tpd : adapter->tpd_ring.count;
+	value <<= 16;
+	value |= hw->cmb_rrd;
 	iowrite32(value, hw->hw_addr + REG_CMB_WRITE_TH);
 	value = hw->cmb_rx_timer | ((u32) hw->cmb_tx_timer << 16);
 	iowrite32(value, hw->hw_addr + REG_CMB_WRITE_TIMER);
@@ -1334,7 +1338,7 @@ static void atl1_intr_rx(struct atl1_adapter *adapter)
 		skb = buffer_info->skb;
 		length = le16_to_cpu(rrd->xsz.xsum_sz.pkt_size);
 
-		skb_put(skb, length - ETHERNET_FCS_SIZE);
+		skb_put(skb, length - ETH_FCS_LEN);
 
 		/* Receive Checksum Offload */
 		atl1_rx_checksum(adapter, rrd, skb);
@@ -1422,7 +1426,7 @@ static void atl1_intr_tx(struct atl1_adapter *adapter)
 		netif_wake_queue(adapter->netdev);
 }
 
-static u16 tpd_avail(struct atl1_tpd_ring *tpd_ring)
+static u16 atl1_tpd_avail(struct atl1_tpd_ring *tpd_ring)
 {
 	u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean);
 	u16 next_to_use = atomic_read(&tpd_ring->next_to_use);
@@ -1453,7 +1457,7 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb,
 			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
 				iph->daddr, 0, IPPROTO_TCP, 0);
 			ipofst = skb_network_offset(skb);
-			if (ipofst != ENET_HEADER_SIZE) /* 802.3 frame */
+			if (ipofst != ETH_HLEN) /* 802.3 frame */
 				tso->tsopl |= 1 << TSO_PARAM_ETHTYPE_SHIFT;
 
 			tso->tsopl |= (iph->ihl &
@@ -1708,7 +1712,7 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 		return NETDEV_TX_LOCKED;
 	}
 
-	if (tpd_avail(&adapter->tpd_ring) < count) {
+	if (atl1_tpd_avail(&adapter->tpd_ring) < count) {
 		/* not enough descriptors */
 		netif_stop_queue(netdev);
 		spin_unlock_irqrestore(&adapter->lock, flags);

drivers/net/defxx.c

@@ -200,6 +200,7 @@
 
 /* Include files */
 #include <linux/bitops.h>
+#include <linux/compiler.h>
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/eisa.h>
@@ -240,8 +241,6 @@ static char version[] __devinitdata =
  */
 #define NEW_SKB_SIZE (PI_RCV_DATA_K_SIZE_MAX+128)
 
-#define __unused __attribute__ ((unused))
-
 #ifdef CONFIG_PCI
 #define DFX_BUS_PCI(dev) (dev->bus == &pci_bus_type)
 #else
@@ -375,7 +374,7 @@ static inline void dfx_outl(DFX_board_t *bp, int offset, u32 data)
 
 static void dfx_port_write_long(DFX_board_t *bp, int offset, u32 data)
 {
-	struct device __unused *bdev = bp->bus_dev;
+	struct device __maybe_unused *bdev = bp->bus_dev;
 	int dfx_bus_tc = DFX_BUS_TC(bdev);
 	int dfx_use_mmio = DFX_MMIO || dfx_bus_tc;
 
@@ -399,7 +398,7 @@ static inline void dfx_inl(DFX_board_t *bp, int offset, u32 *data)
 
 static void dfx_port_read_long(DFX_board_t *bp, int offset, u32 *data)
 {
-	struct device __unused *bdev = bp->bus_dev;
+	struct device __maybe_unused *bdev = bp->bus_dev;
 	int dfx_bus_tc = DFX_BUS_TC(bdev);
 	int dfx_use_mmio = DFX_MMIO || dfx_bus_tc;
 
@@ -866,7 +865,7 @@ static void __devinit dfx_bus_uninit(struct net_device *dev)
 
 static void __devinit dfx_bus_config_check(DFX_board_t *bp)
 {
-	struct device __unused *bdev = bp->bus_dev;
+	struct device __maybe_unused *bdev = bp->bus_dev;
 	int dfx_bus_eisa = DFX_BUS_EISA(bdev);
 	int	status;				/* return code from adapter port control call */
 	u32	host_data;			/* LW data returned from port control call */
@@ -3624,8 +3623,8 @@ static void __devexit dfx_unregister(struct device *bdev)
 }
 
 
-static int __devinit __unused dfx_dev_register(struct device *);
-static int __devexit __unused dfx_dev_unregister(struct device *);
+static int __devinit __maybe_unused dfx_dev_register(struct device *);
+static int __devexit __maybe_unused dfx_dev_unregister(struct device *);
 
 #ifdef CONFIG_PCI
 static int __devinit dfx_pci_register(struct pci_dev *,
@@ -3699,7 +3698,7 @@ static struct tc_driver dfx_tc_driver = {
 };
 #endif /* CONFIG_TC */
 
-static int __devinit __unused dfx_dev_register(struct device *dev)
+static int __devinit __maybe_unused dfx_dev_register(struct device *dev)
 {
 	int status;
 
@@ -3709,7 +3708,7 @@ static int __devinit __unused dfx_dev_register(struct device *dev)
 	return status;
 }
 
-static int __devexit __unused dfx_dev_unregister(struct device *dev)
+static int __devexit __maybe_unused dfx_dev_unregister(struct device *dev)
 {
 	put_device(dev);
 	dfx_unregister(dev);

drivers/net/ehea/ehea.h

@@ -39,7 +39,7 @@
 #include <asm/io.h>
 
 #define DRV_NAME	"ehea"
-#define DRV_VERSION	"EHEA_0071"
+#define DRV_VERSION	"EHEA_0072"
 
 /* eHEA capability flags */
 #define DLPAR_PORT_ADD_REM 1

drivers/net/ehea/ehea_main.c

@@ -589,6 +589,23 @@ static int ehea_poll(struct net_device *dev, int *budget)
 	return 1;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void ehea_netpoll(struct net_device *dev)
+{
+	struct ehea_port *port = netdev_priv(dev);
+
+	netif_rx_schedule(port->port_res[0].d_netdev);
+}
+#endif
+
+static int ehea_poll_firstqueue(struct net_device *dev, int *budget)
+{
+	struct ehea_port *port = netdev_priv(dev);
+	struct net_device *d_dev = port->port_res[0].d_netdev;
+
+	return ehea_poll(d_dev, budget);
+}
+
 static irqreturn_t ehea_recv_irq_handler(int irq, void *param)
 {
 	struct ehea_port_res *pr = param;
@@ -2626,7 +2643,10 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter,
 	memcpy(dev->dev_addr, &port->mac_addr, ETH_ALEN);
 
 	dev->open = ehea_open;
-	dev->poll = ehea_poll;
+	dev->poll = ehea_poll_firstqueue;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	dev->poll_controller = ehea_netpoll;
+#endif
 	dev->weight = 64;
 	dev->stop = ehea_stop;
 	dev->hard_start_xmit = ehea_start_xmit;

drivers/net/forcedeth.c

@@ -5546,6 +5546,22 @@ static struct pci_device_id pci_tbl[] = {
 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_27),
 		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
 	},
+	{	/* MCP73 Ethernet Controller */
+		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_28),
+		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
+	},
+	{	/* MCP73 Ethernet Controller */
+		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_29),
+		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
+	},
+	{	/* MCP73 Ethernet Controller */
+		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_30),
+		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
+	},
+	{	/* MCP73 Ethernet Controller */
+		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_31),
+		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
+	},
 	{0,},
 };
 

drivers/net/netxen/netxen_nic.h

@@ -1179,8 +1179,7 @@ dma_watchdog_shutdown_poll_result(struct netxen_adapter *adapter)
 	    NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4))
 		printk(KERN_ERR "failed to read dma watchdog status\n");
 
-	return ((netxen_get_dma_watchdog_enabled(ctrl) == 0) &&
-		(netxen_get_dma_watchdog_disabled(ctrl) == 0));
+	return (netxen_get_dma_watchdog_enabled(ctrl) == 0);
 }
 
 static inline int

drivers/net/netxen/netxen_nic_main.c

@@ -46,7 +46,7 @@ MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
 
-char netxen_nic_driver_name[] = "netxen-nic";
+char netxen_nic_driver_name[] = "netxen_nic";
 static char netxen_nic_driver_string[] = "NetXen Network Driver version "
     NETXEN_NIC_LINUX_VERSIONID;
 
@@ -640,6 +640,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 			NETXEN_CRB_NORMALIZE(adapter,
 				NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
 		/* Handshake with the card before we register the devices. */
+		writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+		netxen_pinit_from_rom(adapter, 0);
+		msleep(1);
+		netxen_load_firmware(adapter);
 		netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
 	}
 
@@ -782,19 +786,18 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 
 	if (adapter->portnum == 0) {
 		if (init_firmware_done) {
-			dma_watchdog_shutdown_request(adapter);
-			msleep(100);
 			i = 100;
-			while ((dma_watchdog_shutdown_poll_result(adapter) != 1) && i) {
-				printk(KERN_INFO "dma_watchdog_shutdown_poll still in progress\n");
+			do {
+				if (dma_watchdog_shutdown_request(adapter) == 1)
+					break;
 				msleep(100);
-				i--;
-			}
+				if (dma_watchdog_shutdown_poll_result(adapter) == 1)
+					break;
+			} while (--i);
 
-			if (i == 0) {
-				printk(KERN_ERR "dma_watchdog_shutdown_request failed\n");
-				return;
-			}
+			if (i == 0)
+				printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n",
+						netdev->name);
 
 			/* clear the register for future unloads/loads */
 			writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
@@ -803,11 +806,9 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 
 			/* leave the hw in the same state as reboot */
 			writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
-			if (netxen_pinit_from_rom(adapter, 0))
-				return;
+			netxen_pinit_from_rom(adapter, 0);
 			msleep(1);
-			if (netxen_load_firmware(adapter))
-				return;
+			netxen_load_firmware(adapter);
 			netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
 		}
 
@@ -816,22 +817,21 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 		printk(KERN_INFO "State: 0x%0x\n",
 			readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
 
-		dma_watchdog_shutdown_request(adapter);
-		msleep(100);
 		i = 100;
-		while ((dma_watchdog_shutdown_poll_result(adapter) != 1) && i) {
-			printk(KERN_INFO "dma_watchdog_shutdown_poll still in progress\n");
+		do {
+			if (dma_watchdog_shutdown_request(adapter) == 1)
+				break;
 			msleep(100);
-			i--;
-		}
+			if (dma_watchdog_shutdown_poll_result(adapter) == 1)
+				break;
+		} while (--i);
 
 		if (i) {
 			netxen_free_adapter_offload(adapter);
 		} else {
-			printk(KERN_ERR "failed to dma shutdown\n");
-			return;
+			printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n",
+					netdev->name);
 		}
-
 	}
 
 	iounmap(adapter->ahw.db_base);