Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Conflicts:
	drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c

Small minor conflict in bnx2x, wherein one commit changed how
statistics were stored in software, and another commit
fixed endianness bugs wrt. reading the values provided by
the chip in memory.

Signed-off-by: David S. Miller <davem@davemloft.net>

8 files changed, 129 insertions, 118 deletions

diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index d0b814ef0675..0319d640f728 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -67,6 +67,7 @@ struct stmmac_extra_stats {
 	unsigned long ipc_csum_error;
 	unsigned long rx_collision;
 	unsigned long rx_crc;
+	unsigned long dribbling_bit;
 	unsigned long rx_length;
 	unsigned long rx_mii;
 	unsigned long rx_multicast;
diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
index d87976364ec5..ad1b627f8ec2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
@@ -201,7 +201,7 @@ static int enh_desc_get_rx_status(void *data, struct stmmac_extra_stats *x,
 
 	if (unlikely(p->des01.erx.dribbling)) {
 		CHIP_DBG(KERN_ERR "GMAC RX: dribbling error\n");
-		ret = discard_frame;
+		x->dribbling_bit++;
 	}
 	if (unlikely(p->des01.erx.sa_filter_fail)) {
 		CHIP_DBG(KERN_ERR "GMAC RX : Source Address filter fail\n");
diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
index fda5d2b31d3a..25953bb45a73 100644
--- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
@@ -104,7 +104,7 @@ static int ndesc_get_rx_status(void *data, struct stmmac_extra_stats *x,
 		ret = discard_frame;
 	}
 	if (unlikely(p->des01.rx.dribbling))
-		ret = discard_frame;
+		x->dribbling_bit++;
 
 	if (unlikely(p->des01.rx.length_error)) {
 		x->rx_length++;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index 120740020e2c..b4b095fdcf29 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -21,7 +21,7 @@
 *******************************************************************************/
 
 #define STMMAC_RESOURCE_NAME   "stmmaceth"
-#define DRV_MODULE_VERSION	"Dec_2011"
+#define DRV_MODULE_VERSION	"Feb_2012"
 #include <linux/stmmac.h>
 #include <linux/phy.h>
 #include "common.h"
@@ -97,4 +97,5 @@ int stmmac_resume(struct net_device *ndev);
 int stmmac_suspend(struct net_device *ndev);
 int stmmac_dvr_remove(struct net_device *ndev);
 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
-				struct plat_stmmacenet_data *plat_dat);
+				     struct plat_stmmacenet_data *plat_dat,
+				     void __iomem *addr);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index 9573303a706b..f98e1511660f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -47,23 +47,25 @@ struct stmmac_stats {
 	offsetof(struct stmmac_priv, xstats.m)}
 
 static const struct stmmac_stats stmmac_gstrings_stats[] = {
+	/* Transmit errors */
 	STMMAC_STAT(tx_underflow),
 	STMMAC_STAT(tx_carrier),
 	STMMAC_STAT(tx_losscarrier),
 	STMMAC_STAT(vlan_tag),
 	STMMAC_STAT(tx_deferred),
 	STMMAC_STAT(tx_vlan),
-	STMMAC_STAT(rx_vlan),
 	STMMAC_STAT(tx_jabber),
 	STMMAC_STAT(tx_frame_flushed),
 	STMMAC_STAT(tx_payload_error),
 	STMMAC_STAT(tx_ip_header_error),
+	/* Receive errors */
 	STMMAC_STAT(rx_desc),
 	STMMAC_STAT(sa_filter_fail),
 	STMMAC_STAT(overflow_error),
 	STMMAC_STAT(ipc_csum_error),
 	STMMAC_STAT(rx_collision),
 	STMMAC_STAT(rx_crc),
+	STMMAC_STAT(dribbling_bit),
 	STMMAC_STAT(rx_length),
 	STMMAC_STAT(rx_mii),
 	STMMAC_STAT(rx_multicast),
@@ -73,6 +75,8 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = {
 	STMMAC_STAT(sa_rx_filter_fail),
 	STMMAC_STAT(rx_missed_cntr),
 	STMMAC_STAT(rx_overflow_cntr),
+	STMMAC_STAT(rx_vlan),
+	/* Tx/Rx IRQ errors */
 	STMMAC_STAT(tx_undeflow_irq),
 	STMMAC_STAT(tx_process_stopped_irq),
 	STMMAC_STAT(tx_jabber_irq),
@@ -82,6 +86,7 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = {
 	STMMAC_STAT(rx_watchdog_irq),
 	STMMAC_STAT(tx_early_irq),
 	STMMAC_STAT(fatal_bus_error_irq),
+	/* Extra info */
 	STMMAC_STAT(threshold),
 	STMMAC_STAT(tx_pkt_n),
 	STMMAC_STAT(rx_pkt_n),
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index ab36dfcbd817..e85ffbd54830 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -241,7 +241,7 @@ static void stmmac_adjust_link(struct net_device *dev)
 			case 1000:
 				if (likely(priv->plat->has_gmac))
 					ctrl &= ~priv->hw->link.port;
-				stmmac_hw_fix_mac_speed(priv);
+					stmmac_hw_fix_mac_speed(priv);
 				break;
 			case 100:
 			case 10:
@@ -785,7 +785,7 @@ static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
 		u32 uid = ((hwid & 0x0000ff00) >> 8);
 		u32 synid = (hwid & 0x000000ff);
 
-		pr_info("STMMAC - user ID: 0x%x, Synopsys ID: 0x%x\n",
+		pr_info("stmmac - user ID: 0x%x, Synopsys ID: 0x%x\n",
 			uid, synid);
 
 		return synid;
@@ -869,38 +869,6 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv)
 	return hw_cap;
 }
 
-/**
- * stmmac_mac_device_setup
- * @dev : device pointer
- * Description: this is to attach the GMAC or MAC 10/100
- * main core structures that will be completed during the
- * open step.
- */
-static int stmmac_mac_device_setup(struct net_device *dev)
-{
-	struct stmmac_priv *priv = netdev_priv(dev);
-
-	struct mac_device_info *device;
-
-	if (priv->plat->has_gmac)
-		device = dwmac1000_setup(priv->ioaddr);
-	else
-		device = dwmac100_setup(priv->ioaddr);
-
-	if (!device)
-		return -ENOMEM;
-
-	priv->hw = device;
-	priv->hw->ring = &ring_mode_ops;
-
-	if (device_can_wakeup(priv->device)) {
-		priv->wolopts = WAKE_MAGIC; /* Magic Frame as default */
-		enable_irq_wake(priv->wol_irq);
-	}
-
-	return 0;
-}
-
 static void stmmac_check_ether_addr(struct stmmac_priv *priv)
 {
 	/* verify if the MAC address is valid, in case of failures it
@@ -930,20 +898,8 @@ static int stmmac_open(struct net_device *dev)
 	struct stmmac_priv *priv = netdev_priv(dev);
 	int ret;
 
-	/* MAC HW device setup */
-	ret = stmmac_mac_device_setup(dev);
-	if (ret < 0)
-		return ret;
-
 	stmmac_check_ether_addr(priv);
 
-	stmmac_verify_args();
-
-	/* Override with kernel parameters if supplied XXX CRS XXX
-	 * this needs to have multiple instances */
-	if ((phyaddr >= 0) && (phyaddr <= 31))
-		priv->plat->phy_addr = phyaddr;
-
 	/* MDIO bus Registration */
 	ret = stmmac_mdio_register(dev);
 	if (ret < 0) {
@@ -975,44 +931,6 @@ static int stmmac_open(struct net_device *dev)
 		goto open_error;
 	}
 
-	stmmac_get_synopsys_id(priv);
-
-	priv->hw_cap_support = stmmac_get_hw_features(priv);
-
-	if (priv->hw_cap_support) {
-		pr_info(" Support DMA HW capability register");
-
-		/* We can override some gmac/dma configuration fields: e.g.
-		 * enh_desc, tx_coe (e.g. that are passed through the
-		 * platform) with the values from the HW capability
-		 * register (if supported).
-		 */
-		priv->plat->enh_desc = priv->dma_cap.enh_desc;
-		priv->plat->tx_coe = priv->dma_cap.tx_coe;
-		priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up;
-
-		/* By default disable wol on magic frame if not supported */
-		if (!priv->dma_cap.pmt_magic_frame)
-			priv->wolopts &= ~WAKE_MAGIC;
-
-	} else
-		pr_info(" No HW DMA feature register supported");
-
-	/* Select the enhnaced/normal descriptor structures */
-	stmmac_selec_desc_mode(priv);
-
-	/* PMT module is not integrated in all the MAC devices. */
-	if (priv->plat->pmt) {
-		pr_info(" Remote wake-up capable\n");
-		device_set_wakeup_capable(priv->device, 1);
-	}
-
-	priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
-	if (priv->rx_coe)
-		pr_info(" Checksum Offload Engine supported\n");
-	if (priv->plat->tx_coe)
-		pr_info(" Checksum insertion supported\n");
-
 	/* Create and initialize the TX/RX descriptors chains. */
 	priv->dma_tx_size = STMMAC_ALIGN(dma_txsize);
 	priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize);
@@ -1029,14 +947,14 @@ static int stmmac_open(struct net_device *dev)
 
 	/* Copy the MAC addr into the HW  */
 	priv->hw->mac->set_umac_addr(priv->ioaddr, dev->dev_addr, 0);
+
 	/* If required, perform hw setup of the bus. */
 	if (priv->plat->bus_setup)
 		priv->plat->bus_setup(priv->ioaddr);
+
 	/* Initialize the MAC Core */
 	priv->hw->mac->core_init(priv->ioaddr);
 
-	netdev_update_features(dev);
-
 	/* Request the IRQ lines */
 	ret = request_irq(dev->irq, stmmac_interrupt,
 			 IRQF_SHARED, dev->name, dev);
@@ -1046,6 +964,17 @@ static int stmmac_open(struct net_device *dev)
 		goto open_error;
 	}
 
+	/* Request the Wake IRQ in case of another line is used for WoL */
+	if (priv->wol_irq != dev->irq) {
+		ret = request_irq(priv->wol_irq, stmmac_interrupt,
+				  IRQF_SHARED, dev->name, dev);
+		if (unlikely(ret < 0)) {
+			pr_err("%s: ERROR: allocating the ext WoL IRQ %d "
+			       "(error: %d)\n",	__func__, priv->wol_irq, ret);
+			goto open_error_wolirq;
+		}
+	}
+
 	/* Enable the MAC Rx/Tx */
 	stmmac_set_mac(priv->ioaddr, true);
 
@@ -1061,7 +990,7 @@ static int stmmac_open(struct net_device *dev)
 #ifdef CONFIG_STMMAC_DEBUG_FS
 	ret = stmmac_init_fs(dev);
 	if (ret < 0)
-		pr_warning("\tFailed debugFS registration");
+		pr_warning("%s: failed debugFS registration\n", __func__);
 #endif
 	/* Start the ball rolling... */
 	DBG(probe, DEBUG, "%s: DMA RX/TX processes started...\n", dev->name);
@@ -1071,6 +1000,7 @@ static int stmmac_open(struct net_device *dev)
 #ifdef CONFIG_STMMAC_TIMER
 	priv->tm->timer_start(tmrate);
 #endif
+
 	/* Dump DMA/MAC registers */
 	if (netif_msg_hw(priv)) {
 		priv->hw->mac->dump_regs(priv->ioaddr);
@@ -1086,6 +1016,9 @@ static int stmmac_open(struct net_device *dev)
 
 	return 0;
 
+open_error_wolirq:
+	free_irq(dev->irq, dev);
+
 open_error:
 #ifdef CONFIG_STMMAC_TIMER
 	kfree(priv->tm);
@@ -1126,6 +1059,8 @@ static int stmmac_release(struct net_device *dev)
 
 	/* Free the IRQ lines */
 	free_irq(dev->irq, dev);
+	if (priv->wol_irq != dev->irq)
+		free_irq(priv->wol_irq, dev);
 
 	/* Stop TX/RX DMA and clear the descriptors */
 	priv->hw->dma->stop_tx(priv->ioaddr);
@@ -1788,13 +1723,77 @@ static const struct net_device_ops stmmac_netdev_ops = {
 };
 
 /**
+ *  stmmac_hw_init - Init the MAC device
+ *  @priv : pointer to the private device structure.
+ *  Description: this function detects which MAC device
+ *  (GMAC/MAC10-100) has to attached, checks the HW capability
+ *  (if supported) and sets the driver's features (for example
+ *  to use the ring or chaine mode or support the normal/enh
+ *  descriptor structure).
+ */
+static int stmmac_hw_init(struct stmmac_priv *priv)
+{
+	int ret = 0;
+	struct mac_device_info *mac;
+
+	/* Identify the MAC HW device */
+	if (priv->plat->has_gmac)
+		mac = dwmac1000_setup(priv->ioaddr);
+	else
+		mac = dwmac100_setup(priv->ioaddr);
+	if (!mac)
+		return -ENOMEM;
+
+	priv->hw = mac;
+
+	/* To use the chained or ring mode */
+	priv->hw->ring = &ring_mode_ops;
+
+	/* Get and dump the chip ID */
+	stmmac_get_synopsys_id(priv);
+
+	/* Get the HW capability (new GMAC newer than 3.50a) */
+	priv->hw_cap_support = stmmac_get_hw_features(priv);
+	if (priv->hw_cap_support) {
+		pr_info(" DMA HW capability register supported");
+
+		/* We can override some gmac/dma configuration fields: e.g.
+		 * enh_desc, tx_coe (e.g. that are passed through the
+		 * platform) with the values from the HW capability
+		 * register (if supported).
+		 */
+		priv->plat->enh_desc = priv->dma_cap.enh_desc;
+		priv->plat->tx_coe = priv->dma_cap.tx_coe;
+		priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up;
+	} else
+		pr_info(" No HW DMA feature register supported");
+
+	/* Select the enhnaced/normal descriptor structures */
+	stmmac_selec_desc_mode(priv);
+
+	priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
+	if (priv->rx_coe)
+		pr_info(" RX Checksum Offload Engine supported\n");
+	if (priv->plat->tx_coe)
+		pr_info(" TX Checksum insertion supported\n");
+
+	if (priv->plat->pmt) {
+		pr_info(" Wake-Up On Lan supported\n");
+		device_set_wakeup_capable(priv->device, 1);
+	}
+
+	return ret;
+}
+
+/**
  * stmmac_dvr_probe
  * @device: device pointer
  * Description: this is the main probe function used to
  * call the alloc_etherdev, allocate the priv structure.
  */
 struct stmmac_priv *stmmac_dvr_probe(struct device *device,
-					struct plat_stmmacenet_data *plat_dat)
+				     struct plat_stmmacenet_data *plat_dat,
+				     void __iomem *addr)
 {
 	int ret = 0;
 	struct net_device *ndev = NULL;
@@ -1812,10 +1811,27 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device,
 
 	ether_setup(ndev);
 
-	ndev->netdev_ops = &stmmac_netdev_ops;
 	stmmac_set_ethtool_ops(ndev);
+	priv->pause = pause;
+	priv->plat = plat_dat;
+	priv->ioaddr = addr;
+	priv->dev->base_addr = (unsigned long)addr;
+
+	/* Verify driver arguments */
+	stmmac_verify_args();
+
+	/* Override with kernel parameters if supplied XXX CRS XXX
+	 * this needs to have multiple instances */
+	if ((phyaddr >= 0) && (phyaddr <= 31))
+		priv->plat->phy_addr = phyaddr;
+
+	/* Init MAC and get the capabilities */
+	stmmac_hw_init(priv);
+
+	ndev->netdev_ops = &stmmac_netdev_ops;
 
-	ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
+	ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
+			    NETIF_F_RXCSUM;
 	ndev->features |= ndev->hw_features | NETIF_F_HIGHDMA;
 	ndev->watchdog_timeo = msecs_to_jiffies(watchdog);
 #ifdef STMMAC_VLAN_TAG_USED
@@ -1827,8 +1843,6 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device,
 	if (flow_ctrl)
 		priv->flow_ctrl = FLOW_AUTO;	/* RX/TX pause on */
 
-	priv->pause = pause;
-	priv->plat = plat_dat;
 	netif_napi_add(ndev, &priv->napi, stmmac_poll, 64);
 
 	spin_lock_init(&priv->lock);
@@ -1836,15 +1850,10 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device,
 
 	ret = register_netdev(ndev);
 	if (ret) {
-		pr_err("%s: ERROR %i registering the device\n",
-		       __func__, ret);
+		pr_err("%s: ERROR %i registering the device\n", __func__, ret);
 		goto error;
 	}
 
-	DBG(probe, DEBUG, "%s: Scatter/Gather: %s - HW checksums: %s\n",
-	    ndev->name, (ndev->features & NETIF_F_SG) ? "on" : "off",
-	    (ndev->features & NETIF_F_IP_CSUM) ? "on" : "off");
-
 	return priv;
 
 error:
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 4e12884bab39..da66ed7c3c5d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -96,13 +96,11 @@ static int __devinit stmmac_pci_probe(struct pci_dev *pdev,
 
 	stmmac_default_data();
 
-	priv = stmmac_dvr_probe(&(pdev->dev), &plat_dat);
+	priv = stmmac_dvr_probe(&(pdev->dev), &plat_dat, addr);
 	if (!priv) {
 		pr_err("%s: main driver probe failed", __func__);
 		goto err_out;
 	}
-	priv->ioaddr = addr;
-	priv->dev->base_addr = (unsigned long)addr;
 	priv->dev->irq = pdev->irq;
 	priv->wol_irq = pdev->irq;
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 11af27ef4930..3aad9810237c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -59,16 +59,20 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
 		goto out_release_region;
 	}
 	plat_dat = pdev->dev.platform_data;
-	priv = stmmac_dvr_probe(&(pdev->dev), plat_dat);
+
+	/* Custom initialisation (if needed)*/
+	if (plat_dat->init) {
+		ret = plat_dat->init(pdev);
+		if (unlikely(ret))
+			goto out_unmap;
+	}
+
+	priv = stmmac_dvr_probe(&(pdev->dev), plat_dat, addr);
 	if (!priv) {
 		pr_err("%s: main driver probe failed", __func__);
 		goto out_unmap;
 	}
 
-	priv->ioaddr = addr;
-	/* Set the I/O base addr */
-	priv->dev->base_addr = (unsigned long)addr;
-
 	/* Get the MAC information */
 	priv->dev->irq = platform_get_irq_byname(pdev, "macirq");
 	if (priv->dev->irq == -ENXIO) {
@@ -92,13 +96,6 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, priv->dev);
 
-	/* Custom initialisation */
-	if (priv->plat->init) {
-		ret = priv->plat->init(pdev);
-		if (unlikely(ret))
-			goto out_unmap;
-	}
-
 	pr_debug("STMMAC platform driver registration completed");
 
 	return 0;