8 files changed, 120 insertions, 70 deletions

diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index 824e430486c2..830528dce0ca 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -1574,6 +1574,7 @@ MODULE_LICENSE("GPL");
 
 static int __init el3_init_module(void)
 {
+        int ret = 0;
         el3_cards = 0;
 
         if (debug >= 0)
@@ -1589,14 +1590,16 @@ static int __init el3_init_module(void)
         }
 
 #ifdef CONFIG_EISA
-        if (eisa_driver_register (&el3_eisa_driver) < 0) {
-                eisa_driver_unregister (&el3_eisa_driver);
-        }
+        ret = eisa_driver_register(&el3_eisa_driver);
 #endif
 #ifdef CONFIG_MCA
-        mca_register_driver(&el3_mca_driver);
+        {
+                int err = mca_register_driver(&el3_mca_driver);
+                if (ret == 0)
+                        ret = err;
+        }
 #endif
-        return 0;
+        return ret;
 }
 
 static void __exit el3_cleanup_module(void)
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index bdf294d2df26..d4d8e5f9ebf1 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1087,7 +1087,8 @@ config NE2000
           without a specific driver are compatible with NE2000.
 
           If you have a PCI NE2000 card however, say N here and Y to "PCI
-          NE2000 support", above. If you have a NE2000 card and are running on
+          NE2000 and clone support" under "EISA, VLB, PCI and on board
+          controllers" below. If you have a NE2000 card and are running on
           an MCA system (a bus system used on some IBM PS/2 computers and
           laptops), say N here and Y to "NE/2 (ne2000 MCA version) support",
           below.
diff --git a/drivers/net/de620.c b/drivers/net/de620.c
index 0069f5fa973a..22fc5b869a60 100644
--- a/drivers/net/de620.c
+++ b/drivers/net/de620.c
@@ -1012,7 +1012,7 @@ static int __init read_eeprom(struct net_device *dev)
 #ifdef MODULE
 static struct net_device *de620_dev;
 
-int init_module(void)
+int __init init_module(void)
 {
         de620_dev = de620_probe(-1);
         if (IS_ERR(de620_dev))
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index 6376b63d9b17..1f3627470c95 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -50,8 +50,8 @@
 
 */
 #define DRV_NAME        "D-Link DL2000-based linux driver"
-#define DRV_VERSION     "v1.17a"
-#define DRV_RELDATE     "2002/10/04"
+#define DRV_VERSION     "v1.17b"
+#define DRV_RELDATE     "2006/03/10"
 #include "dl2k.h"
 
 static char version[] __devinitdata =
@@ -765,7 +765,7 @@ rio_free_tx (struct net_device *dev, int irq)
                         break;
                 skb = np->tx_skbuff[entry];
                 pci_unmap_single (np->pdev,
-                                  np->tx_ring[entry].fraginfo,
+                                  np->tx_ring[entry].fraginfo & 0xffffffffffff,
                                   skb->len, PCI_DMA_TODEVICE);
                 if (irq)
                         dev_kfree_skb_irq (skb);
@@ -892,14 +892,16 @@ receive_packet (struct net_device *dev)
 
                         /* Small skbuffs for short packets */
                         if (pkt_len > copy_thresh) {
-                                pci_unmap_single (np->pdev, desc->fraginfo,
+                                pci_unmap_single (np->pdev,
+                                                  desc->fraginfo & 0xffffffffffff,
                                                   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,
+                                                            desc->fraginfo & 
+                                                                0xffffffffffff,
                                                             np->rx_buf_sz,
                                                             PCI_DMA_FROMDEVICE);
                                 skb->dev = dev;
@@ -910,7 +912,8 @@ receive_packet (struct net_device *dev)
                                                   pkt_len, 0);
                                 skb_put (skb, pkt_len);
                                 pci_dma_sync_single_for_device(np->pdev,
-                                                               desc->fraginfo,
+                                                               desc->fraginfo &
+                                                                 0xffffffffffff,
                                                                np->rx_buf_sz,
                                                                PCI_DMA_FROMDEVICE);
                         }
@@ -1796,8 +1799,9 @@ rio_close (struct net_device *dev)
                 np->rx_ring[i].fraginfo = 0;
                 skb = np->rx_skbuff[i];
                 if (skb) {
-                        pci_unmap_single (np->pdev, np->rx_ring[i].fraginfo,
-                                          skb->len, PCI_DMA_FROMDEVICE);
+                        pci_unmap_single(np->pdev, 
+                                         np->rx_ring[i].fraginfo & 0xffffffffffff,
+                                         skb->len, PCI_DMA_FROMDEVICE);
                         dev_kfree_skb (skb);
                         np->rx_skbuff[i] = NULL;
                 }
@@ -1805,8 +1809,9 @@ rio_close (struct net_device *dev)
         for (i = 0; i < TX_RING_SIZE; i++) {
                 skb = np->tx_skbuff[i];
                 if (skb) {
-                        pci_unmap_single (np->pdev, np->tx_ring[i].fraginfo,
-                                          skb->len, PCI_DMA_TODEVICE);
+                        pci_unmap_single(np->pdev, 
+                                         np->tx_ring[i].fraginfo & 0xffffffffffff,
+                                         skb->len, PCI_DMA_TODEVICE);
                         dev_kfree_skb (skb);
                         np->tx_skbuff[i] = NULL;
                 }
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 9adaf5fa9d48..0c631a77ccf6 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2815,7 +2815,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
                                         printk(KERN_ERR 
                                                 "__pskb_pull_tail failed.\n");
                                         dev_kfree_skb_any(skb);
-                                        return -EFAULT;
+                                        return NETDEV_TX_OK;
                                 }
                                 len = skb->len - skb->data_len;
                                 break;
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 72c1630977d6..73260364cba3 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -74,7 +74,7 @@
 #define TX_RING_SIZE            512
 #define TX_DEF_PENDING          (TX_RING_SIZE - 1)
 #define TX_MIN_PENDING          64
-#define MAX_SKB_TX_LE           (4 + 2*MAX_SKB_FRAGS)
+#define MAX_SKB_TX_LE           (4 + (sizeof(dma_addr_t)/sizeof(u32))*MAX_SKB_FRAGS)
 
 #define STATUS_RING_SIZE        2048    /* 2 ports * (TX + 2*RX) */
 #define STATUS_LE_BYTES         (STATUS_RING_SIZE*sizeof(struct sky2_status_le))
@@ -622,8 +622,8 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
 
         /* Configure Rx MAC FIFO */
         sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR);
-        sky2_write16(hw, SK_REG(port, RX_GMF_CTRL_T),
-                     GMF_RX_CTRL_DEF);
+        sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
+                     GMF_OPER_ON | GMF_RX_F_FL_ON);
 
         /* Flush Rx MAC FIFO on any flow control or error */
         sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR);
@@ -995,6 +995,10 @@ static int sky2_rx_start(struct sky2_port *sky2)
                 sky2_rx_add(sky2, re->mapaddr);
         }
 
+        /* Truncate oversize frames */
+        sky2_write16(hw, SK_REG(sky2->port, RX_GMF_TR_THR), sky2->rx_bufsize - 8);
+        sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_ON);
+
         /* Tell chip about available buffers */
         sky2_write16(hw, Y2_QADDR(rxq, PREF_UNIT_PUT_IDX), sky2->rx_put);
         sky2->rx_last_put = sky2_read16(hw, Y2_QADDR(rxq, PREF_UNIT_PUT_IDX));
@@ -1145,6 +1149,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
         struct sky2_tx_le *le = NULL;
         struct tx_ring_info *re;
         unsigned i, len;
+        int avail;
         dma_addr_t mapping;
         u32 addr64;
         u16 mss;
@@ -1287,12 +1292,16 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
         re->idx = sky2->tx_prod;
         le->ctrl |= EOP;
 
+        avail = tx_avail(sky2);
+        if (mss != 0 || avail < TX_MIN_PENDING) {
+                le->ctrl |= FRC_STAT;
+                if (avail <= MAX_SKB_TX_LE)
+                        netif_stop_queue(dev);
+        }
+
         sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod,
                      &sky2->tx_last_put, TX_RING_SIZE);
 
-        if (tx_avail(sky2) <= MAX_SKB_TX_LE)
-                netif_stop_queue(dev);
-
 out_unlock:
         spin_unlock(&sky2->tx_lock);
 
@@ -1707,10 +1716,12 @@ static void sky2_tx_timeout(struct net_device *dev)
 
 
 #define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
-/* Want receive buffer size to be multiple of 64 bits, and incl room for vlan */
+/* Want receive buffer size to be multiple of 64 bits
+ * and incl room for vlan and truncation
+ */
 static inline unsigned sky2_buf_size(int mtu)
 {
-        return roundup(mtu + ETH_HLEN + 4, 8);
+        return roundup(mtu + ETH_HLEN + VLAN_HLEN, 8) + 8;
 }
 
 static int sky2_change_mtu(struct net_device *dev, int new_mtu)
@@ -1793,7 +1804,7 @@ static struct sk_buff *sky2_receive(struct sky2_port *sky2,
         if (!(status & GMR_FS_RX_OK))
                 goto resubmit;
 
-        if ((status >> 16) != length || length > sky2->rx_bufsize)
+        if (length > sky2->netdev->mtu + ETH_HLEN)
                 goto oversize;
 
         if (length < copybreak) {
@@ -3243,8 +3254,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
                 }
         }
 
-        err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ | SA_SAMPLE_RANDOM,
-                          DRV_NAME, hw);
+        err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ, DRV_NAME, hw);
         if (err) {
                 printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
                        pci_name(pdev), pdev->irq);
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 83ff5994a8d5..0f3798f81883 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -3532,9 +3532,23 @@ static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
                 (base + len + 8 < base));
 }
 
+/* Test for DMA addresses > 40-bit */
+static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
+                                          int len)
+{
+#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
+        if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
+                return (((u64) mapping + len) > DMA_40BIT_MASK);
+        return 0;
+#else
+        return 0;
+#endif
+}
+
 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
 
-static int tigon3_4gb_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
+/* Workaround 4GB and 40-bit hardware DMA bugs. */
+static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
                                        u32 last_plus_one, u32 *start,
                                        u32 base_flags, u32 mss)
 {
@@ -3742,6 +3756,9 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         if (tg3_4g_overflow_test(mapping, len))
                                 would_hit_hwbug = 1;
 
+                        if (tg3_40bit_overflow_test(tp, mapping, len))
+                                would_hit_hwbug = 1;
+
                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
                                 tg3_set_txd(tp, entry, mapping, len,
                                             base_flags, (i == last)|(mss << 1));
@@ -3763,7 +3780,7 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 /* If the workaround fails due to memory/mapping
                  * failure, silently drop this packet.
                  */
-                if (tigon3_4gb_hwbug_workaround(tp, skb, last_plus_one,
+                if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
                                                 &start, base_flags, mss))
                         goto out_unlock;
 
@@ -10608,8 +10625,9 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
         unsigned long tg3reg_base, tg3reg_len;
         struct net_device *dev;
         struct tg3 *tp;
-        int i, err, pci_using_dac, pm_cap;
+        int i, err, pm_cap;
         char str[40];
+        u64 dma_mask, persist_dma_mask;
 
         if (tg3_version_printed++ == 0)
                 printk(KERN_INFO "%s", version);
@@ -10646,26 +10664,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                 goto err_out_free_res;
         }
 
-        /* Configure DMA attributes. */
-        err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
-        if (!err) {
-                pci_using_dac = 1;
-                err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
-                if (err < 0) {
-                        printk(KERN_ERR PFX "Unable to obtain 64 bit DMA "
-                               "for consistent allocations\n");
-                        goto err_out_free_res;
-                }
-        } else {
-                err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
-                if (err) {
-                        printk(KERN_ERR PFX "No usable DMA configuration, "
-                               "aborting.\n");
-                        goto err_out_free_res;
-                }
-                pci_using_dac = 0;
-        }
-
         tg3reg_base = pci_resource_start(pdev, 0);
         tg3reg_len = pci_resource_len(pdev, 0);
 
@@ -10679,8 +10677,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
         SET_MODULE_OWNER(dev);
         SET_NETDEV_DEV(dev, &pdev->dev);
 
-        if (pci_using_dac)
-                dev->features |= NETIF_F_HIGHDMA;
         dev->features |= NETIF_F_LLTX;
 #if TG3_VLAN_TAG_USED
         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
@@ -10765,6 +10761,44 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                 goto err_out_iounmap;
         }
 
+        /* 5714, 5715 and 5780 cannot support DMA addresses > 40-bit.
+         * On 64-bit systems with IOMMU, use 40-bit dma_mask.
+         * On 64-bit systems without IOMMU, use 64-bit dma_mask and
+         * do DMA address check in tg3_start_xmit().
+         */
+        if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
+                persist_dma_mask = dma_mask = DMA_40BIT_MASK;
+#ifdef CONFIG_HIGHMEM
+                dma_mask = DMA_64BIT_MASK;
+#endif
+        } else if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
+                persist_dma_mask = dma_mask = DMA_32BIT_MASK;
+        else
+                persist_dma_mask = dma_mask = DMA_64BIT_MASK;
+
+        /* Configure DMA attributes. */
+        if (dma_mask > DMA_32BIT_MASK) {
+                err = pci_set_dma_mask(pdev, dma_mask);
+                if (!err) {
+                        dev->features |= NETIF_F_HIGHDMA;
+                        err = pci_set_consistent_dma_mask(pdev,
+                                                          persist_dma_mask);
+                        if (err < 0) {
+                                printk(KERN_ERR PFX "Unable to obtain 64 bit "
+                                       "DMA for consistent allocations\n");
+                                goto err_out_iounmap;
+                        }
+                }
+        }
+        if (err || dma_mask == DMA_32BIT_MASK) {
+                err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+                if (err) {
+                        printk(KERN_ERR PFX "No usable DMA configuration, "
+                               "aborting.\n");
+                        goto err_out_iounmap;
+                }
+        }
+
         tg3_init_bufmgr_config(tp);
 
 #if TG3_TSO_SUPPORT != 0
@@ -10833,9 +10867,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
         } else
                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
 
-        if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
-                dev->features &= ~NETIF_F_HIGHDMA;
-
         /* flow control autonegotiation is default behavior */
         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
 
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index d6c3d52d2e86..6299e186c73f 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -1357,7 +1357,6 @@ static int de_open (struct net_device *dev)
 {
         struct de_private *de = dev->priv;
         int rc;
-        unsigned long flags;
 
         if (netif_msg_ifup(de))
                 printk(KERN_DEBUG "%s: enabling interface\n", dev->name);
@@ -1371,18 +1370,20 @@ static int de_open (struct net_device *dev)
                 return rc;
         }
 
-        rc = de_init_hw(de);
-        if (rc) {
-                printk(KERN_ERR "%s: h/w init failure, err=%d\n",
-                       dev->name, rc);
-                goto err_out_free;
-        }
+        dw32(IntrMask, 0);
 
         rc = request_irq(dev->irq, de_interrupt, SA_SHIRQ, dev->name, dev);
         if (rc) {
                 printk(KERN_ERR "%s: IRQ %d request failure, err=%d\n",
                        dev->name, dev->irq, rc);
-                goto err_out_hw;
+                goto err_out_free;
+        }
+
+        rc = de_init_hw(de);
+        if (rc) {
+                printk(KERN_ERR "%s: h/w init failure, err=%d\n",
+                       dev->name, rc);
+                goto err_out_free_irq;
         }
 
         netif_start_queue(dev);
@@ -1390,11 +1391,8 @@ static int de_open (struct net_device *dev)
 
         return 0;
 
-err_out_hw:
-        spin_lock_irqsave(&de->lock, flags);
-        de_stop_hw(de);
-        spin_unlock_irqrestore(&de->lock, flags);
-
+err_out_free_irq:
+        free_irq(dev->irq, dev);
 err_out_free:
         de_free_rings(de);
         return rc;
@@ -1450,6 +1448,8 @@ static void de_tx_timeout (struct net_device *dev)
         synchronize_irq(dev->irq);
         de_clean_rings(de);
 
+        de_init_rings(de);
+
         de_init_hw(de);
         
         netif_wake_queue(dev);