Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  ehea: Fix a checksum issue on the receive path
  net: allow FEC driver to use fixed PHY support
  tg3: restore rx_dropped accounting
  b44: fix carrier detection on bind
  net: clear heap allocations for privileged ethtool actions
  NET: wimax, fix use after free
  ATM: iphase, remove sleep-inside-atomic
  ATM: mpc, fix use after free
  ATM: solos-pci, remove use after free
  net/fec: carrier off initially to avoid root mount failure
  r8169: use device model DMA API
  r8169: allocate with GFP_KERNEL flag when able to sleep

drivers/atm/iphase.c

@@ -3156,7 +3156,6 @@ static int __devinit ia_init_one(struct pci_dev *pdev,
 {  
 	struct atm_dev *dev;  
 	IADEV *iadev;  
-        unsigned long flags;
 	int ret;
 
 	iadev = kzalloc(sizeof(*iadev), GFP_KERNEL);
@@ -3188,19 +3187,14 @@ static int __devinit ia_init_one(struct pci_dev *pdev,
 	ia_dev[iadev_count] = iadev;
 	_ia_dev[iadev_count] = dev;
 	iadev_count++;
-	spin_lock_init(&iadev->misc_lock);
-	/* First fixes first. I don't want to think about this now. */
-	spin_lock_irqsave(&iadev->misc_lock, flags); 
 	if (ia_init(dev) || ia_start(dev)) {  
 		IF_INIT(printk("IA register failed!\n");)
 		iadev_count--;
 		ia_dev[iadev_count] = NULL;
 		_ia_dev[iadev_count] = NULL;
-		spin_unlock_irqrestore(&iadev->misc_lock, flags); 
 		ret = -EINVAL;
 		goto err_out_deregister_dev;
 	}
-	spin_unlock_irqrestore(&iadev->misc_lock, flags); 
 	IF_EVENT(printk("iadev_count = %d\n", iadev_count);)
 
 	iadev->next_board = ia_boards;  

drivers/atm/iphase.h

@@ -1022,7 +1022,7 @@ typedef struct iadev_t {
 	struct dle_q rx_dle_q;  
 	struct free_desc_q *rx_free_desc_qhead;  
 	struct sk_buff_head rx_dma_q;  
-        spinlock_t rx_lock, misc_lock;
+	spinlock_t rx_lock;
 	struct atm_vcc **rx_open;	/* list of all open VCs */  
         u16 num_rx_desc, rx_buf_sz, rxing;
         u32 rx_pkt_ram, rx_tmp_cnt;

drivers/atm/solos-pci.c

@@ -444,18 +444,20 @@ static ssize_t console_show(struct device *dev, struct device_attribute *attr,
 	struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 	struct solos_card *card = atmdev->dev_data;
 	struct sk_buff *skb;
+	unsigned int len;
 
 	spin_lock(&card->cli_queue_lock);
 	skb = skb_dequeue(&card->cli_queue[SOLOS_CHAN(atmdev)]);
 	spin_unlock(&card->cli_queue_lock);
 	if(skb == NULL)
 		return sprintf(buf, "No data.\n");
 
-	memcpy(buf, skb->data, skb->len);
-	dev_dbg(&card->dev->dev, "len: %d\n", skb->len);
+	len = skb->len;
+	memcpy(buf, skb->data, len);
+	dev_dbg(&card->dev->dev, "len: %d\n", len);
 
 	kfree_skb(skb);
-	return skb->len;
+	return len;
 }
 
 static int send_command(struct solos_card *card, int dev, const char *buf, size_t size)

drivers/net/b44.c

@@ -2170,8 +2170,6 @@ static int __devinit b44_init_one(struct ssb_device *sdev,
 	dev->irq = sdev->irq;
 	SET_ETHTOOL_OPS(dev, &b44_ethtool_ops);
 
-	netif_carrier_off(dev);
-
 	err = ssb_bus_powerup(sdev->bus, 0);
 	if (err) {
 		dev_err(sdev->dev,
@@ -2213,6 +2211,8 @@ static int __devinit b44_init_one(struct ssb_device *sdev,
 		goto err_out_powerdown;
 	}
 
+	netif_carrier_off(dev);
+
 	ssb_set_drvdata(sdev, dev);
 
 	/* Chip reset provides power to the b44 MAC & PCI cores, which

drivers/net/ehea/ehea_main.c

@@ -533,8 +533,15 @@ static inline void ehea_fill_skb(struct net_device *dev,
 	int length = cqe->num_bytes_transfered - 4;	/*remove CRC */
 
 	skb_put(skb, length);
-	skb->ip_summed = CHECKSUM_UNNECESSARY;
 	skb->protocol = eth_type_trans(skb, dev);
+
+	/* The packet was not an IPV4 packet so a complemented checksum was
+	   calculated. The value is found in the Internet Checksum field. */
+	if (cqe->status & EHEA_CQE_BLIND_CKSUM) {
+		skb->ip_summed = CHECKSUM_COMPLETE;
+		skb->csum = csum_unfold(~cqe->inet_checksum_value);
+	} else
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
 }
 
 static inline struct sk_buff *get_skb_by_index(struct sk_buff **skb_array,

drivers/net/ehea/ehea_qmr.h

@@ -150,6 +150,7 @@ struct ehea_rwqe {
 #define EHEA_CQE_TYPE_RQ           0x60
 #define EHEA_CQE_STAT_ERR_MASK     0x700F
 #define EHEA_CQE_STAT_FAT_ERR_MASK 0xF
+#define EHEA_CQE_BLIND_CKSUM       0x8000
 #define EHEA_CQE_STAT_ERR_TCP      0x4000
 #define EHEA_CQE_STAT_ERR_IP       0x2000
 #define EHEA_CQE_STAT_ERR_CRC      0x1000

drivers/net/fec.c

@@ -678,24 +678,37 @@ static int fec_enet_mii_probe(struct net_device *dev)
 {
 	struct fec_enet_private *fep = netdev_priv(dev);
 	struct phy_device *phy_dev = NULL;
-	int ret;
+	char mdio_bus_id[MII_BUS_ID_SIZE];
+	char phy_name[MII_BUS_ID_SIZE + 3];
+	int phy_id;
 
 	fep->phy_dev = NULL;
 
-	/* find the first phy */
-	phy_dev = phy_find_first(fep->mii_bus);
-	if (!phy_dev) {
-		printk(KERN_ERR "%s: no PHY found\n", dev->name);
-		return -ENODEV;
+	/* check for attached phy */
+	for (phy_id = 0; (phy_id < PHY_MAX_ADDR); phy_id++) {
+		if ((fep->mii_bus->phy_mask & (1 << phy_id)))
+			continue;
+		if (fep->mii_bus->phy_map[phy_id] == NULL)
+			continue;
+		if (fep->mii_bus->phy_map[phy_id]->phy_id == 0)
+			continue;
+		strncpy(mdio_bus_id, fep->mii_bus->id, MII_BUS_ID_SIZE);
+		break;
 	}
 
-	/* attach the mac to the phy */
-	ret = phy_connect_direct(dev, phy_dev,
-			     &fec_enet_adjust_link, 0,
-			     PHY_INTERFACE_MODE_MII);
-	if (ret) {
-		printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
-		return ret;
+	if (phy_id >= PHY_MAX_ADDR) {
+		printk(KERN_INFO "%s: no PHY, assuming direct connection "
+			"to switch\n", dev->name);
+		strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE);
+		phy_id = 0;
+	}
+
+	snprintf(phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
+	phy_dev = phy_connect(dev, phy_name, &fec_enet_adjust_link, 0,
+		PHY_INTERFACE_MODE_MII);
+	if (IS_ERR(phy_dev)) {
+		printk(KERN_ERR "%s: could not attach to PHY\n", dev->name);
+		return PTR_ERR(phy_dev);
 	}
 
 	/* mask with MAC supported features */
@@ -738,7 +751,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
 	fep->mii_bus->read = fec_enet_mdio_read;
 	fep->mii_bus->write = fec_enet_mdio_write;
 	fep->mii_bus->reset = fec_enet_mdio_reset;
-	snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id);
+	snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id + 1);
 	fep->mii_bus->priv = fep;
 	fep->mii_bus->parent = &pdev->dev;
 
@@ -1311,6 +1324,9 @@ fec_probe(struct platform_device *pdev)
 	if (ret)
 		goto failed_mii_init;
 
+	/* Carrier starts down, phylib will bring it up */
+	netif_carrier_off(ndev);
+
 	ret = register_netdev(ndev);
 	if (ret)
 		goto failed_register;

drivers/net/r8169.c

@@ -1212,7 +1212,8 @@ static void rtl8169_update_counters(struct net_device *dev)
 	if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
 		return;
 
-	counters = pci_alloc_consistent(tp->pci_dev, sizeof(*counters), &paddr);
+	counters = dma_alloc_coherent(&tp->pci_dev->dev, sizeof(*counters),
+				      &paddr, GFP_KERNEL);
 	if (!counters)
 		return;
 
@@ -1233,7 +1234,8 @@ static void rtl8169_update_counters(struct net_device *dev)
 	RTL_W32(CounterAddrLow, 0);
 	RTL_W32(CounterAddrHigh, 0);
 
-	pci_free_consistent(tp->pci_dev, sizeof(*counters), counters, paddr);
+	dma_free_coherent(&tp->pci_dev->dev, sizeof(*counters), counters,
+			  paddr);
 }
 
 static void rtl8169_get_ethtool_stats(struct net_device *dev,
@@ -3292,15 +3294,15 @@ static int rtl8169_open(struct net_device *dev)
 
 	/*
 	 * Rx and Tx desscriptors needs 256 bytes alignment.
-	 * pci_alloc_consistent provides more.
+	 * dma_alloc_coherent provides more.
 	 */
-	tp->TxDescArray = pci_alloc_consistent(pdev, R8169_TX_RING_BYTES,
-					       &tp->TxPhyAddr);
+	tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
+					     &tp->TxPhyAddr, GFP_KERNEL);
 	if (!tp->TxDescArray)
 		goto err_pm_runtime_put;
 
-	tp->RxDescArray = pci_alloc_consistent(pdev, R8169_RX_RING_BYTES,
-					       &tp->RxPhyAddr);
+	tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
+					     &tp->RxPhyAddr, GFP_KERNEL);
 	if (!tp->RxDescArray)
 		goto err_free_tx_0;
 
@@ -3334,12 +3336,12 @@ static int rtl8169_open(struct net_device *dev)
 err_release_ring_2:
 	rtl8169_rx_clear(tp);
 err_free_rx_1:
-	pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray,
-			    tp->RxPhyAddr);
+	dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
+			  tp->RxPhyAddr);
 	tp->RxDescArray = NULL;
 err_free_tx_0:
-	pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray,
-			    tp->TxPhyAddr);
+	dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
+			  tp->TxPhyAddr);
 	tp->TxDescArray = NULL;
 err_pm_runtime_put:
 	pm_runtime_put_noidle(&pdev->dev);
@@ -3975,7 +3977,7 @@ static void rtl8169_free_rx_skb(struct rtl8169_private *tp,
 {
 	struct pci_dev *pdev = tp->pci_dev;
 
-	pci_unmap_single(pdev, le64_to_cpu(desc->addr), tp->rx_buf_sz,
+	dma_unmap_single(&pdev->dev, le64_to_cpu(desc->addr), tp->rx_buf_sz,
 			 PCI_DMA_FROMDEVICE);
 	dev_kfree_skb(*sk_buff);
 	*sk_buff = NULL;
@@ -4000,21 +4002,21 @@ static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
 static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev,
 					    struct net_device *dev,
 					    struct RxDesc *desc, int rx_buf_sz,
-					    unsigned int align)
+					    unsigned int align, gfp_t gfp)
 {
 	struct sk_buff *skb;
 	dma_addr_t mapping;
 	unsigned int pad;
 
 	pad = align ? align : NET_IP_ALIGN;
 
-	skb = netdev_alloc_skb(dev, rx_buf_sz + pad);
+	skb = __netdev_alloc_skb(dev, rx_buf_sz + pad, gfp);
 	if (!skb)
 		goto err_out;
 
 	skb_reserve(skb, align ? ((pad - 1) & (unsigned long)skb->data) : pad);
 
-	mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
+	mapping = dma_map_single(&pdev->dev, skb->data, rx_buf_sz,
 				 PCI_DMA_FROMDEVICE);
 
 	rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
@@ -4039,7 +4041,7 @@ static void rtl8169_rx_clear(struct rtl8169_private *tp)
 }
 
 static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev,
-			   u32 start, u32 end)
+			   u32 start, u32 end, gfp_t gfp)
 {
 	u32 cur;
 
@@ -4054,7 +4056,7 @@ static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev,
 
 		skb = rtl8169_alloc_rx_skb(tp->pci_dev, dev,
 					   tp->RxDescArray + i,
-					   tp->rx_buf_sz, tp->align);
+					   tp->rx_buf_sz, tp->align, gfp);
 		if (!skb)
 			break;
 
@@ -4082,7 +4084,7 @@ static int rtl8169_init_ring(struct net_device *dev)
 	memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
 	memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));
 
-	if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC)
+	if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC, GFP_KERNEL) != NUM_RX_DESC)
 		goto err_out;
 
 	rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
@@ -4099,7 +4101,8 @@ static void rtl8169_unmap_tx_skb(struct pci_dev *pdev, struct ring_info *tx_skb,
 {
 	unsigned int len = tx_skb->len;
 
-	pci_unmap_single(pdev, le64_to_cpu(desc->addr), len, PCI_DMA_TODEVICE);
+	dma_unmap_single(&pdev->dev, le64_to_cpu(desc->addr), len,
+			 PCI_DMA_TODEVICE);
 	desc->opts1 = 0x00;
 	desc->opts2 = 0x00;
 	desc->addr = 0x00;
@@ -4243,7 +4246,8 @@ static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
 		txd = tp->TxDescArray + entry;
 		len = frag->size;
 		addr = ((void *) page_address(frag->page)) + frag->page_offset;
-		mapping = pci_map_single(tp->pci_dev, addr, len, PCI_DMA_TODEVICE);
+		mapping = dma_map_single(&tp->pci_dev->dev, addr, len,
+					 PCI_DMA_TODEVICE);
 
 		/* anti gcc 2.95.3 bugware (sic) */
 		status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
@@ -4313,7 +4317,8 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
 		tp->tx_skb[entry].skb = skb;
 	}
 
-	mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE);
+	mapping = dma_map_single(&tp->pci_dev->dev, skb->data, len,
+				 PCI_DMA_TODEVICE);
 
 	tp->tx_skb[entry].len = len;
 	txd->addr = cpu_to_le64(mapping);
@@ -4477,8 +4482,8 @@ static inline bool rtl8169_try_rx_copy(struct sk_buff **sk_buff,
 	if (!skb)
 		goto out;
 
-	pci_dma_sync_single_for_cpu(tp->pci_dev, addr, pkt_size,
-				    PCI_DMA_FROMDEVICE);
+	dma_sync_single_for_cpu(&tp->pci_dev->dev, addr, pkt_size,
+				PCI_DMA_FROMDEVICE);
 	skb_copy_from_linear_data(*sk_buff, skb->data, pkt_size);
 	*sk_buff = skb;
 	done = true;
@@ -4549,11 +4554,11 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
 			rtl8169_rx_csum(skb, desc);
 
 			if (rtl8169_try_rx_copy(&skb, tp, pkt_size, addr)) {
-				pci_dma_sync_single_for_device(pdev, addr,
+				dma_sync_single_for_device(&pdev->dev, addr,
 					pkt_size, PCI_DMA_FROMDEVICE);
 				rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
 			} else {
-				pci_unmap_single(pdev, addr, tp->rx_buf_sz,
+				dma_unmap_single(&pdev->dev, addr, tp->rx_buf_sz,
 						 PCI_DMA_FROMDEVICE);
 				tp->Rx_skbuff[entry] = NULL;
 			}
@@ -4583,7 +4588,7 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
 	count = cur_rx - tp->cur_rx;
 	tp->cur_rx = cur_rx;
 
-	delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);
+	delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx, GFP_ATOMIC);
 	if (!delta && count)
 		netif_info(tp, intr, dev, "no Rx buffer allocated\n");
 	tp->dirty_rx += delta;
@@ -4769,10 +4774,10 @@ static int rtl8169_close(struct net_device *dev)
 
 	free_irq(dev->irq, dev);
 
-	pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray,
-			    tp->RxPhyAddr);
-	pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray,
-			    tp->TxPhyAddr);
+	dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
+			  tp->RxPhyAddr);
+	dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
+			  tp->TxPhyAddr);
 	tp->TxDescArray = NULL;
 	tp->RxDescArray = NULL;
 

drivers/net/tg3.c

@@ -4666,7 +4666,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 				       desc_idx, *post_ptr);
 		drop_it_no_recycle:
 			/* Other statistics kept track of by card. */
-			tp->net_stats.rx_dropped++;
+			tp->rx_dropped++;
 			goto next_pkt;
 		}
 
@@ -4726,7 +4726,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 		if (len > (tp->dev->mtu + ETH_HLEN) &&
 		    skb->protocol != htons(ETH_P_8021Q)) {
 			dev_kfree_skb(skb);
-			goto next_pkt;
+			goto drop_it_no_recycle;
 		}
 
 		if (desc->type_flags & RXD_FLAG_VLAN &&
@@ -9240,6 +9240,8 @@ static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev,
 	stats->rx_missed_errors = old_stats->rx_missed_errors +
 		get_stat64(&hw_stats->rx_discards);
 
+	stats->rx_dropped = tp->rx_dropped;
+
 	return stats;
 }