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path: root/drivers/net/ibm_newemac/core.c
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Diffstat (limited to 'drivers/net/ibm_newemac/core.c')
-rw-r--r--drivers/net/ibm_newemac/core.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index fb9049bcbce..eabad755e4a 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -1365,9 +1365,11 @@ static int emac_open(struct net_device *ndev)
{
struct emac_instance *dev = netdev_priv(ndev);
int err, i;
+ unsigned long flags;
DBG(dev, "open" NL);
+
/* Setup error IRQ handler */
err = request_irq(dev->emac_irq, emac_irq, 0, "EMAC", dev);
if (err) {
@@ -1385,6 +1387,7 @@ static int emac_open(struct net_device *ndev)
return err;
}
}
+
/* Allocate RX ring */
for (i = 0; i < NUM_RX_BUFF; ++i)
if (emac_alloc_rx_skb(dev, i, GFP_KERNEL)) {
@@ -1443,17 +1446,24 @@ static int emac_open(struct net_device *ndev)
/* Required for Pause packet support in EMAC */
dev_mc_add(ndev, default_mcast_addr, sizeof(default_mcast_addr), 1);
+ local_irq_save(flags); /* disable interrupts */
emac_configure(dev);
+
mal_poll_add(dev->mal, &dev->commac);
mal_enable_tx_channel(dev->mal, dev->mal_tx_chan);
mal_set_rcbs(dev->mal, dev->mal_rx_chan, emac_rx_size(ndev->mtu));
+
mal_enable_rx_channel(dev->mal, dev->mal_rx_chan);
emac_tx_enable(dev);
emac_rx_enable(dev);
+ local_irq_restore(flags);
+
emac_netif_start(dev);
+
mutex_unlock(&dev->link_lock);
+
return 0;
oom:
emac_clean_rx_ring(dev);
@@ -1962,6 +1972,9 @@ static inline int emac_rx_sg_append(struct emac_instance *dev, int slot)
dev_kfree_skb(dev->rx_sg_skb);
dev->rx_sg_skb = NULL;
} else {
+ if(unlikely((dev->rx_sg_skb->tail + len) > dev->rx_sg_skb->end))
+ goto out;
+
cacheable_memcpy(skb_tail_pointer(dev->rx_sg_skb),
dev->rx_skb[slot]->data, len);
skb_put(dev->rx_sg_skb, len);
@@ -1969,6 +1982,7 @@ static inline int emac_rx_sg_append(struct emac_instance *dev, int slot)
return 0;
}
}
+out:
emac_recycle_rx_skb(dev, slot, 0);
return -1;
}
@@ -2027,6 +2041,7 @@ static int emac_poll_rx(void *param, int budget)
goto oom;
skb_put(skb, len);
+
push_packet:
skb->dev = dev->ndev;
skb->protocol = eth_type_trans(skb, dev->ndev);
@@ -3071,7 +3086,7 @@ static int __devinit emac_init_phy(struct emac_instance *dev)
}
emac_configure(dev);
-
+
if (dev->phy_address != 0xffffffff)
phy_map = ~(1 << dev->phy_address);
@@ -3105,6 +3120,7 @@ static int __devinit emac_init_phy(struct emac_instance *dev)
/* Disable any PHY features not supported by the platform */
dev->phy.def->features &= ~dev->phy_feat_exc;
+ dev->phy.features &= ~dev->phy_feat_exc;
/* Setup initial link parameters */
if (dev->phy.features & SUPPORTED_Autoneg) {
@@ -3537,6 +3553,11 @@ static int __devinit emac_probe(struct of_device *ofdev,
INIT_DELAYED_WORK(&dev->link_work, emac_link_timer);
/* Find PHY if any */
+#if defined(CONFIG_APM82181)
+ dev->phy_feat_exc = (SUPPORTED_1000baseT_Half |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_10baseT_Half);
+#endif
err = emac_init_phy(dev);
if (err != 0)
goto err_detach_tah;