]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/net/8139cp.c
3c515: fix using pnp_get_resource when CONFIG_ISAPNP=n
[linux-2.6-omap-h63xx.git] / drivers / net / 8139cp.c
index a79f28c7a1009aac9cc023807b27d903a52807a4..934db350e339c93d67433f6e79a238efd060651a 100644 (file)
@@ -78,7 +78,7 @@
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
 #define CP_VLAN_TAG_USED 1
 #define CP_VLAN_TX_TAG(tx_desc,vlan_tag_value) \
-       do { (tx_desc)->opts2 = (vlan_tag_value); } while (0)
+       do { (tx_desc)->opts2 = cpu_to_le32(vlan_tag_value); } while (0)
 #else
 #define CP_VLAN_TAG_USED 0
 #define CP_VLAN_TX_TAG(tx_desc,vlan_tag_value) \
@@ -303,25 +303,25 @@ static const unsigned int cp_rx_config =
          (RX_DMA_BURST << RxCfgDMAShift);
 
 struct cp_desc {
-       u32             opts1;
-       u32             opts2;
-       u64             addr;
+       __le32          opts1;
+       __le32          opts2;
+       __le64          addr;
 };
 
 struct cp_dma_stats {
-       u64                     tx_ok;
-       u64                     rx_ok;
-       u64                     tx_err;
-       u32                     rx_err;
-       u16                     rx_fifo;
-       u16                     frame_align;
-       u32                     tx_ok_1col;
-       u32                     tx_ok_mcol;
-       u64                     rx_ok_phys;
-       u64                     rx_ok_bcast;
-       u32                     rx_ok_mcast;
-       u16                     tx_abort;
-       u16                     tx_underrun;
+       __le64                  tx_ok;
+       __le64                  rx_ok;
+       __le64                  tx_err;
+       __le32                  rx_err;
+       __le16                  rx_fifo;
+       __le16                  frame_align;
+       __le32                  tx_ok_1col;
+       __le32                  tx_ok_mcol;
+       __le64                  rx_ok_phys;
+       __le64                  rx_ok_bcast;
+       __le32                  rx_ok_mcast;
+       __le16                  tx_abort;
+       __le16                  tx_underrun;
 } __attribute__((packed));
 
 struct cp_extra_stats {
@@ -334,11 +334,12 @@ struct cp_private {
        spinlock_t              lock;
        u32                     msg_enable;
 
+       struct napi_struct      napi;
+
        struct pci_dev          *pdev;
        u32                     rx_config;
        u16                     cpcmd;
 
-       struct net_device_stats net_stats;
        struct cp_extra_stats   cp_stats;
 
        unsigned                rx_head         ____cacheline_aligned;
@@ -455,14 +456,14 @@ static inline void cp_rx_skb (struct cp_private *cp, struct sk_buff *skb,
 {
        skb->protocol = eth_type_trans (skb, cp->dev);
 
-       cp->net_stats.rx_packets++;
-       cp->net_stats.rx_bytes += skb->len;
+       cp->dev->stats.rx_packets++;
+       cp->dev->stats.rx_bytes += skb->len;
        cp->dev->last_rx = jiffies;
 
 #if CP_VLAN_TAG_USED
-       if (cp->vlgrp && (desc->opts2 & RxVlanTagged)) {
+       if (cp->vlgrp && (desc->opts2 & cpu_to_le32(RxVlanTagged))) {
                vlan_hwaccel_receive_skb(skb, cp->vlgrp,
-                                        be16_to_cpu(desc->opts2 & 0xffff));
+                                        swab16(le32_to_cpu(desc->opts2) & 0xffff));
        } else
 #endif
                netif_receive_skb(skb);
@@ -475,17 +476,17 @@ static void cp_rx_err_acct (struct cp_private *cp, unsigned rx_tail,
                printk (KERN_DEBUG
                        "%s: rx err, slot %d status 0x%x len %d\n",
                        cp->dev->name, rx_tail, status, len);
-       cp->net_stats.rx_errors++;
+       cp->dev->stats.rx_errors++;
        if (status & RxErrFrame)
-               cp->net_stats.rx_frame_errors++;
+               cp->dev->stats.rx_frame_errors++;
        if (status & RxErrCRC)
-               cp->net_stats.rx_crc_errors++;
+               cp->dev->stats.rx_crc_errors++;
        if ((status & RxErrRunt) || (status & RxErrLong))
-               cp->net_stats.rx_length_errors++;
+               cp->dev->stats.rx_length_errors++;
        if ((status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag))
-               cp->net_stats.rx_length_errors++;
+               cp->dev->stats.rx_length_errors++;
        if (status & RxErrFIFO)
-               cp->net_stats.rx_fifo_errors++;
+               cp->dev->stats.rx_fifo_errors++;
 }
 
 static inline unsigned int cp_rx_csum_ok (u32 status)
@@ -501,12 +502,12 @@ static inline unsigned int cp_rx_csum_ok (u32 status)
        return 0;
 }
 
-static int cp_rx_poll (struct net_device *dev, int *budget)
+static int cp_rx_poll(struct napi_struct *napi, int budget)
 {
-       struct cp_private *cp = netdev_priv(dev);
-       unsigned rx_tail = cp->rx_tail;
-       unsigned rx_work = dev->quota;
-       unsigned rx;
+       struct cp_private *cp = container_of(napi, struct cp_private, napi);
+       struct net_device *dev = cp->dev;
+       unsigned int rx_tail = cp->rx_tail;
+       int rx;
 
 rx_status_loop:
        rx = 0;
@@ -537,7 +538,7 @@ rx_status_loop:
                         * that RX fragments are never encountered
                         */
                        cp_rx_err_acct(cp, rx_tail, status, len);
-                       cp->net_stats.rx_dropped++;
+                       dev->stats.rx_dropped++;
                        cp->cp_stats.rx_frags++;
                        goto rx_next;
                }
@@ -554,13 +555,13 @@ rx_status_loop:
                buflen = cp->rx_buf_sz + RX_OFFSET;
                new_skb = dev_alloc_skb (buflen);
                if (!new_skb) {
-                       cp->net_stats.rx_dropped++;
+                       dev->stats.rx_dropped++;
                        goto rx_next;
                }
 
                skb_reserve(new_skb, RX_OFFSET);
 
-               pci_unmap_single(cp->pdev, mapping,
+               dma_unmap_single(&cp->pdev->dev, mapping,
                                 buflen, PCI_DMA_FROMDEVICE);
 
                /* Handle checksum offloading for incoming packets. */
@@ -571,7 +572,7 @@ rx_status_loop:
 
                skb_put(skb, len);
 
-               mapping = pci_map_single(cp->pdev, new_skb->data, buflen,
+               mapping = dma_map_single(&cp->pdev->dev, new_skb->data, buflen,
                                         PCI_DMA_FROMDEVICE);
                cp->rx_skb[rx_tail] = new_skb;
 
@@ -588,33 +589,28 @@ rx_next:
                        desc->opts1 = cpu_to_le32(DescOwn | cp->rx_buf_sz);
                rx_tail = NEXT_RX(rx_tail);
 
-               if (!rx_work--)
+               if (rx >= budget)
                        break;
        }
 
        cp->rx_tail = rx_tail;
 
-       dev->quota -= rx;
-       *budget -= rx;
-
        /* if we did not reach work limit, then we're done with
         * this round of polling
         */
-       if (rx_work) {
+       if (rx < budget) {
                unsigned long flags;
 
                if (cpr16(IntrStatus) & cp_rx_intr_mask)
                        goto rx_status_loop;
 
-               local_irq_save(flags);
+               spin_lock_irqsave(&cp->lock, flags);
                cpw16_f(IntrMask, cp_intr_mask);
-               __netif_rx_complete(dev);
-               local_irq_restore(flags);
-
-               return 0;       /* done */
+               __netif_rx_complete(dev, napi);
+               spin_unlock_irqrestore(&cp->lock, flags);
        }
 
-       return 1;               /* not done */
+       return rx;
 }
 
 static irqreturn_t cp_interrupt (int irq, void *dev_instance)
@@ -647,9 +643,9 @@ static irqreturn_t cp_interrupt (int irq, void *dev_instance)
        }
 
        if (status & (RxOK | RxErr | RxEmpty | RxFIFOOvr))
-               if (netif_rx_schedule_prep(dev)) {
+               if (netif_rx_schedule_prep(dev, &cp->napi)) {
                        cpw16_f(IntrMask, cp_norx_intr_mask);
-                       __netif_rx_schedule(dev);
+                       __netif_rx_schedule(dev, &cp->napi);
                }
 
        if (status & (TxOK | TxErr | TxEmpty | SWInt))
@@ -704,7 +700,7 @@ static void cp_tx (struct cp_private *cp)
                skb = cp->tx_skb[tx_tail];
                BUG_ON(!skb);
 
-               pci_unmap_single(cp->pdev, le64_to_cpu(txd->addr),
+               dma_unmap_single(&cp->pdev->dev, le64_to_cpu(txd->addr),
                                 le32_to_cpu(txd->opts1) & 0xffff,
                                 PCI_DMA_TODEVICE);
 
@@ -713,20 +709,20 @@ static void cp_tx (struct cp_private *cp)
                                if (netif_msg_tx_err(cp))
                                        printk(KERN_DEBUG "%s: tx err, status 0x%x\n",
                                               cp->dev->name, status);
-                               cp->net_stats.tx_errors++;
+                               cp->dev->stats.tx_errors++;
                                if (status & TxOWC)
-                                       cp->net_stats.tx_window_errors++;
+                                       cp->dev->stats.tx_window_errors++;
                                if (status & TxMaxCol)
-                                       cp->net_stats.tx_aborted_errors++;
+                                       cp->dev->stats.tx_aborted_errors++;
                                if (status & TxLinkFail)
-                                       cp->net_stats.tx_carrier_errors++;
+                                       cp->dev->stats.tx_carrier_errors++;
                                if (status & TxFIFOUnder)
-                                       cp->net_stats.tx_fifo_errors++;
+                                       cp->dev->stats.tx_fifo_errors++;
                        } else {
-                               cp->net_stats.collisions +=
+                               cp->dev->stats.collisions +=
                                        ((status >> TxColCntShift) & TxColCntMask);
-                               cp->net_stats.tx_packets++;
-                               cp->net_stats.tx_bytes += skb->len;
+                               cp->dev->stats.tx_packets++;
+                               cp->dev->stats.tx_bytes += skb->len;
                                if (netif_msg_tx_done(cp))
                                        printk(KERN_DEBUG "%s: tx done, slot %d\n", cp->dev->name, tx_tail);
                        }
@@ -768,7 +764,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
 
 #if CP_VLAN_TAG_USED
        if (cp->vlgrp && vlan_tx_tag_present(skb))
-               vlan_tag = TxVlanTag | cpu_to_be16(vlan_tx_tag_get(skb));
+               vlan_tag = TxVlanTag | swab16(vlan_tx_tag_get(skb));
 #endif
 
        entry = cp->tx_head;
@@ -782,7 +778,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
                dma_addr_t mapping;
 
                len = skb->len;
-               mapping = pci_map_single(cp->pdev, skb->data, len, PCI_DMA_TODEVICE);
+               mapping = dma_map_single(&cp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
                CP_VLAN_TX_TAG(txd, vlan_tag);
                txd->addr = cpu_to_le64(mapping);
                wmb();
@@ -818,7 +814,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
                 */
                first_eor = eor;
                first_len = skb_headlen(skb);
-               first_mapping = pci_map_single(cp->pdev, skb->data,
+               first_mapping = dma_map_single(&cp->pdev->dev, skb->data,
                                               first_len, PCI_DMA_TODEVICE);
                cp->tx_skb[entry] = skb;
                entry = NEXT_TX(entry);
@@ -830,7 +826,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
                        dma_addr_t mapping;
 
                        len = this_frag->size;
-                       mapping = pci_map_single(cp->pdev,
+                       mapping = dma_map_single(&cp->pdev->dev,
                                                 ((void *) page_address(this_frag->page) +
                                                  this_frag->page_offset),
                                                 len, PCI_DMA_TODEVICE);
@@ -959,7 +955,7 @@ static void cp_set_rx_mode (struct net_device *dev)
 static void __cp_get_stats(struct cp_private *cp)
 {
        /* only lower 24 bits valid; write any value to clear */
-       cp->net_stats.rx_missed_errors += (cpr32 (RxMissed) & 0xffffff);
+       cp->dev->stats.rx_missed_errors += (cpr32 (RxMissed) & 0xffffff);
        cpw32 (RxMissed, 0);
 }
 
@@ -974,7 +970,7 @@ static struct net_device_stats *cp_get_stats(struct net_device *dev)
                __cp_get_stats(cp);
        spin_unlock_irqrestore(&cp->lock, flags);
 
-       return &cp->net_stats;
+       return &dev->stats;
 }
 
 static void cp_stop_hw (struct cp_private *cp)
@@ -1021,8 +1017,8 @@ static void cp_init_hw (struct cp_private *cp)
        cpw8_f (Cfg9346, Cfg9346_Unlock);
 
        /* Restore our idea of the MAC address. */
-       cpw32_f (MAC0 + 0, cpu_to_le32 (*(u32 *) (dev->dev_addr + 0)));
-       cpw32_f (MAC0 + 4, cpu_to_le32 (*(u32 *) (dev->dev_addr + 4)));
+       cpw32_f (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0)));
+       cpw32_f (MAC0 + 4, le32_to_cpu (*(__le32 *) (dev->dev_addr + 4)));
 
        cp_start_hw(cp);
        cpw8(TxThresh, 0x06); /* XXX convert magic num to a constant */
@@ -1069,8 +1065,8 @@ static int cp_refill_rx (struct cp_private *cp)
 
                skb_reserve(skb, RX_OFFSET);
 
-               mapping = pci_map_single(cp->pdev, skb->data, cp->rx_buf_sz,
-                                        PCI_DMA_FROMDEVICE);
+               mapping = dma_map_single(&cp->pdev->dev, skb->data,
+                                        cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
                cp->rx_skb[i] = skb;
 
                cp->rx_ring[i].opts2 = 0;
@@ -1110,7 +1106,8 @@ static int cp_alloc_rings (struct cp_private *cp)
 {
        void *mem;
 
-       mem = pci_alloc_consistent(cp->pdev, CP_RING_BYTES, &cp->ring_dma);
+       mem = dma_alloc_coherent(&cp->pdev->dev, CP_RING_BYTES,
+                                &cp->ring_dma, GFP_KERNEL);
        if (!mem)
                return -ENOMEM;
 
@@ -1128,7 +1125,7 @@ static void cp_clean_rings (struct cp_private *cp)
        for (i = 0; i < CP_RX_RING_SIZE; i++) {
                if (cp->rx_skb[i]) {
                        desc = cp->rx_ring + i;
-                       pci_unmap_single(cp->pdev, le64_to_cpu(desc->addr),
+                       dma_unmap_single(&cp->pdev->dev,le64_to_cpu(desc->addr),
                                         cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
                        dev_kfree_skb(cp->rx_skb[i]);
                }
@@ -1139,12 +1136,12 @@ static void cp_clean_rings (struct cp_private *cp)
                        struct sk_buff *skb = cp->tx_skb[i];
 
                        desc = cp->tx_ring + i;
-                       pci_unmap_single(cp->pdev, le64_to_cpu(desc->addr),
+                       dma_unmap_single(&cp->pdev->dev,le64_to_cpu(desc->addr),
                                         le32_to_cpu(desc->opts1) & 0xffff,
                                         PCI_DMA_TODEVICE);
                        if (le32_to_cpu(desc->opts1) & LastFrag)
                                dev_kfree_skb(skb);
-                       cp->net_stats.tx_dropped++;
+                       cp->dev->stats.tx_dropped++;
                }
        }
 
@@ -1158,7 +1155,8 @@ static void cp_clean_rings (struct cp_private *cp)
 static void cp_free_rings (struct cp_private *cp)
 {
        cp_clean_rings(cp);
-       pci_free_consistent(cp->pdev, CP_RING_BYTES, cp->rx_ring, cp->ring_dma);
+       dma_free_coherent(&cp->pdev->dev, CP_RING_BYTES, cp->rx_ring,
+                         cp->ring_dma);
        cp->rx_ring = NULL;
        cp->tx_ring = NULL;
 }
@@ -1175,6 +1173,8 @@ static int cp_open (struct net_device *dev)
        if (rc)
                return rc;
 
+       napi_enable(&cp->napi);
+
        cp_init_hw(cp);
 
        rc = request_irq(dev->irq, cp_interrupt, IRQF_SHARED, dev->name, dev);
@@ -1188,6 +1188,7 @@ static int cp_open (struct net_device *dev)
        return 0;
 
 err_out_hw:
+       napi_disable(&cp->napi);
        cp_stop_hw(cp);
        cp_free_rings(cp);
        return rc;
@@ -1198,6 +1199,8 @@ static int cp_close (struct net_device *dev)
        struct cp_private *cp = netdev_priv(dev);
        unsigned long flags;
 
+       napi_disable(&cp->napi);
+
        if (netif_msg_ifdown(cp))
                printk(KERN_DEBUG "%s: disabling interface\n", dev->name);
 
@@ -1379,9 +1382,14 @@ static int cp_get_regs_len(struct net_device *dev)
        return CP_REGS_SIZE;
 }
 
-static int cp_get_stats_count (struct net_device *dev)
+static int cp_get_sset_count (struct net_device *dev, int sset)
 {
-       return CP_NUM_STATS;
+       switch (sset) {
+       case ETH_SS_STATS:
+               return CP_NUM_STATS;
+       default:
+               return -EOPNOTSUPP;
+       }
 }
 
 static int cp_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
@@ -1517,7 +1525,8 @@ static void cp_get_ethtool_stats (struct net_device *dev,
        dma_addr_t dma;
        int i;
 
-       nic_stats = pci_alloc_consistent(cp->pdev, sizeof(*nic_stats), &dma);
+       nic_stats = dma_alloc_coherent(&cp->pdev->dev, sizeof(*nic_stats),
+                                      &dma, GFP_KERNEL);
        if (!nic_stats)
                return;
 
@@ -1552,13 +1561,13 @@ static void cp_get_ethtool_stats (struct net_device *dev,
        tmp_stats[i++] = cp->cp_stats.rx_frags;
        BUG_ON(i != CP_NUM_STATS);
 
-       pci_free_consistent(cp->pdev, sizeof(*nic_stats), nic_stats, dma);
+       dma_free_coherent(&cp->pdev->dev, sizeof(*nic_stats), nic_stats, dma);
 }
 
 static const struct ethtool_ops cp_ethtool_ops = {
        .get_drvinfo            = cp_get_drvinfo,
        .get_regs_len           = cp_get_regs_len,
-       .get_stats_count        = cp_get_stats_count,
+       .get_sset_count         = cp_get_sset_count,
        .get_settings           = cp_get_settings,
        .set_settings           = cp_set_settings,
        .nway_reset             = cp_nway_reset,
@@ -1567,11 +1576,8 @@ static const struct ethtool_ops cp_ethtool_ops = {
        .set_msglevel           = cp_set_msglevel,
        .get_rx_csum            = cp_get_rx_csum,
        .set_rx_csum            = cp_set_rx_csum,
-       .get_tx_csum            = ethtool_op_get_tx_csum,
        .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,
@@ -1821,6 +1827,7 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
        void __iomem *regs;
        resource_size_t pciaddr;
        unsigned int addr_len, i, pci_using_dac;
+       DECLARE_MAC_BUF(mac);
 
 #ifndef MODULE
        static int version_printed;
@@ -1840,7 +1847,6 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
        dev = alloc_etherdev(sizeof(struct cp_private));
        if (!dev)
                return -ENOMEM;
-       SET_MODULE_OWNER(dev);
        SET_NETDEV_DEV(dev, &pdev->dev);
 
        cp = netdev_priv(dev);
@@ -1923,8 +1929,8 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
        /* read MAC address from EEPROM */
        addr_len = read_eeprom (regs, 0, 8) == 0x8129 ? 8 : 6;
        for (i = 0; i < 3; i++)
-               ((u16 *) (dev->dev_addr))[i] =
-                   le16_to_cpu (read_eeprom (regs, i + 7, addr_len));
+               ((__le16 *) (dev->dev_addr))[i] =
+                   cpu_to_le16(read_eeprom (regs, i + 7, addr_len));
        memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
 
        dev->open = cp_open;
@@ -1933,11 +1939,10 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
        dev->hard_start_xmit = cp_start_xmit;
        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. */
+       netif_napi_add(dev, &cp->napi, cp_rx_poll, 16);
 #ifdef BROKEN
        dev->change_mtu = cp_change_mtu;
 #endif
@@ -1964,13 +1969,10 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
                goto err_out_iomap;
 
        printk (KERN_INFO "%s: RTL-8139C+ at 0x%lx, "
-               "%02x:%02x:%02x:%02x:%02x:%02x, "
-               "IRQ %d\n",
+               "%s, IRQ %d\n",
                dev->name,
                dev->base_addr,
-               dev->dev_addr[0], dev->dev_addr[1],
-               dev->dev_addr[2], dev->dev_addr[3],
-               dev->dev_addr[4], dev->dev_addr[5],
+               print_mac(mac, dev->dev_addr),
                dev->irq);
 
        pci_set_drvdata(pdev, dev);