Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[pandora-kernel.git] / drivers / net / b44.c

diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 6926ebe..5c84541 100644 (file)
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -73,8 +73,8 @@
          (BP)->tx_cons - (BP)->tx_prod - TX_RING_GAP(BP))
 #define NEXT_TX(N)             (((N) + 1) & (B44_TX_RING_SIZE - 1))
 
-#define RX_PKT_OFFSET          30
-#define RX_PKT_BUF_SZ          (1536 + RX_PKT_OFFSET + 64)
+#define RX_PKT_OFFSET          (RX_HEADER_LEN + 2)
+#define RX_PKT_BUF_SZ          (1536 + RX_PKT_OFFSET)
 
 /* minimum number of free TX descriptors required to wake up TX process */
 #define B44_TX_WAKEUP_THRESH           (B44_TX_RING_SIZE / 4)
@@ -679,10 +679,10 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
                        dev_kfree_skb_any(skb);
                        return -ENOMEM;
                }
+               bp->force_copybreak = 1;
        }
 
        rh = (struct rx_header *) skb->data;
-       skb_reserve(skb, RX_PKT_OFFSET);
 
        rh->len = 0;
        rh->flags = 0;
@@ -693,13 +693,13 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
        if (src_map != NULL)
                src_map->skb = NULL;
 
-       ctrl  = (DESC_CTRL_LEN & (RX_PKT_BUF_SZ - RX_PKT_OFFSET));
+       ctrl = (DESC_CTRL_LEN & RX_PKT_BUF_SZ);
        if (dest_idx == (B44_RX_RING_SIZE - 1))
                ctrl |= DESC_CTRL_EOT;
 
        dp = &bp->rx_ring[dest_idx];
        dp->ctrl = cpu_to_le32(ctrl);
-       dp->addr = cpu_to_le32((u32) mapping + RX_PKT_OFFSET + bp->dma_offset);
+       dp->addr = cpu_to_le32((u32) mapping + bp->dma_offset);
 
        if (bp->flags & B44_FLAG_RX_RING_HACK)
                b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma,
@@ -801,7 +801,7 @@ static int b44_rx(struct b44 *bp, int budget)
                /* Omit CRC. */
                len -= 4;
 
-               if (len > RX_COPY_THRESHOLD) {
+               if (!bp->force_copybreak && len > RX_COPY_THRESHOLD) {
                        int skb_size;
                        skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod);
                        if (skb_size < 0)
@@ -809,8 +809,8 @@ static int b44_rx(struct b44 *bp, int budget)
                        ssb_dma_unmap_single(bp->sdev, map,
                                             skb_size, DMA_FROM_DEVICE);
                        /* Leave out rx_header */
-                       skb_put(skb, len + RX_PKT_OFFSET);
-                       skb_pull(skb, RX_PKT_OFFSET);
+                       skb_put(skb, len + RX_PKT_OFFSET);
+                       skb_pull(skb, RX_PKT_OFFSET);
                } else {
                        struct sk_buff *copy_skb;
 
@@ -874,7 +874,7 @@ static int b44_poll(struct napi_struct *napi, int budget)
        }
 
        if (work_done < budget) {
-               netif_rx_complete(napi);
+               napi_complete(napi);
                b44_enable_ints(bp);
        }
 
@@ -906,13 +906,13 @@ static irqreturn_t b44_interrupt(int irq, void *dev_id)
                        goto irq_ack;
                }
 
-               if (netif_rx_schedule_prep(&bp->napi)) {
+               if (napi_schedule_prep(&bp->napi)) {
                        /* NOTE: These writes are posted by the readback of
                         *       the ISTAT register below.
                         */
                        bp->istat = istat;
                        __b44_disable_ints(bp);
-                       __netif_rx_schedule(&bp->napi);
+                       __napi_schedule(&bp->napi);
                } else {
                        printk(KERN_ERR PFX "%s: Error, poll already scheduled\n",
                               dev->name);
@@ -973,7 +973,7 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
                        ssb_dma_unmap_single(bp->sdev, mapping, len,
                                             DMA_TO_DEVICE);
 
-               bounce_skb = __dev_alloc_skb(len, GFP_ATOMIC | GFP_DMA);
+               bounce_skb = __netdev_alloc_skb(dev, len, GFP_ATOMIC | GFP_DMA);
                if (!bounce_skb)
                        goto err_out;
 
@@ -1264,8 +1264,14 @@ static void b44_clear_stats(struct b44 *bp)
 static void b44_chip_reset(struct b44 *bp, int reset_kind)
 {
        struct ssb_device *sdev = bp->sdev;
+       bool was_enabled;
 
-       if (ssb_device_is_enabled(bp->sdev)) {
+       was_enabled = ssb_device_is_enabled(bp->sdev);
+
+       ssb_device_enable(bp->sdev, 0);
+       ssb_pcicore_dev_irqvecs_enable(&sdev->bus->pcicore, sdev);
+
+       if (was_enabled) {
                bw32(bp, B44_RCV_LAZY, 0);
                bw32(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE);
                b44_wait_bit(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE, 200, 1);
@@ -1277,10 +1283,8 @@ static void b44_chip_reset(struct b44 *bp, int reset_kind)
                }
                bw32(bp, B44_DMARX_CTRL, 0);
                bp->rx_prod = bp->rx_cons = 0;
-       } else
-               ssb_pcicore_dev_irqvecs_enable(&sdev->bus->pcicore, sdev);
+       }
 
-       ssb_device_enable(bp->sdev, 0);
        b44_clear_stats(bp);
 
        /*
@@ -2153,6 +2157,7 @@ static int __devinit b44_init_one(struct ssb_device *sdev,
        bp = netdev_priv(dev);
        bp->sdev = sdev;
        bp->dev = dev;
+       bp->force_copybreak = 0;
 
        bp->msg_enable = netif_msg_init(b44_debug, B44_DEF_MSG_ENABLE);
 
@@ -2235,6 +2240,7 @@ static void __devexit b44_remove_one(struct ssb_device *sdev)
        struct net_device *dev = ssb_get_drvdata(sdev);
 
        unregister_netdev(dev);
+       ssb_device_disable(sdev, 0);
        ssb_bus_may_powerdown(sdev->bus);
        free_netdev(dev);
        ssb_pcihost_set_power_state(sdev, PCI_D3hot);