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path: root/drivers/net/gianfar.c
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Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r--drivers/net/gianfar.c82
1 files changed, 57 insertions, 25 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index acae2d8cd68..802a9516ce4 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -93,7 +93,7 @@
#include <linux/of.h>
#include "gianfar.h"
-#include "gianfar_mii.h"
+#include "fsl_pq_mdio.h"
#define TX_TIMEOUT (1*HZ)
#undef BRIEF_GFAR_ERRORS
@@ -141,8 +141,6 @@ void gfar_start(struct net_device *dev);
static void gfar_clear_exact_match(struct net_device *dev);
static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr);
-extern const struct ethtool_ops gfar_ethtool_ops;
-
MODULE_AUTHOR("Freescale Semiconductor, Inc");
MODULE_DESCRIPTION("Gianfar Ethernet Driver");
MODULE_LICENSE("GPL");
@@ -166,6 +164,9 @@ static int gfar_of_init(struct net_device *dev)
struct gfar_private *priv = netdev_priv(dev);
struct device_node *np = priv->node;
char bus_name[MII_BUS_ID_SIZE];
+ const u32 *stash;
+ const u32 *stash_len;
+ const u32 *stash_idx;
if (!np || !of_device_is_available(np))
return -ENODEV;
@@ -195,6 +196,26 @@ static int gfar_of_init(struct net_device *dev)
}
}
+ stash = of_get_property(np, "bd-stash", NULL);
+
+ if(stash) {
+ priv->device_flags |= FSL_GIANFAR_DEV_HAS_BD_STASHING;
+ priv->bd_stash_en = 1;
+ }
+
+ stash_len = of_get_property(np, "rx-stash-len", NULL);
+
+ if (stash_len)
+ priv->rx_stash_size = *stash_len;
+
+ stash_idx = of_get_property(np, "rx-stash-idx", NULL);
+
+ if (stash_idx)
+ priv->rx_stash_index = *stash_idx;
+
+ if (stash_len || stash_idx)
+ priv->device_flags |= FSL_GIANFAR_DEV_HAS_BUF_STASHING;
+
mac_addr = of_get_mac_address(np);
if (mac_addr)
memcpy(dev->dev_addr, mac_addr, MAC_ADDR_LEN);
@@ -255,7 +276,7 @@ static int gfar_of_init(struct net_device *dev)
of_node_put(phy);
of_node_put(mdio);
- gfar_mdio_bus_name(bus_name, mdio);
+ fsl_pq_mdio_bus_name(bus_name, mdio);
snprintf(priv->phy_bus_id, sizeof(priv->phy_bus_id), "%s:%02x",
bus_name, *id);
}
@@ -425,7 +446,7 @@ static int gfar_probe(struct of_device *ofdev,
priv->hash_width = 8;
priv->hash_regs[0] = &priv->regs->gaddr0;
- priv->hash_regs[1] = &priv->regs->gaddr1;
+ priv->hash_regs[1] = &priv->regs->gaddr1;
priv->hash_regs[2] = &priv->regs->gaddr2;
priv->hash_regs[3] = &priv->regs->gaddr3;
priv->hash_regs[4] = &priv->regs->gaddr4;
@@ -466,6 +487,9 @@ static int gfar_probe(struct of_device *ofdev,
goto register_fail;
}
+ device_init_wakeup(&dev->dev,
+ priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
+
/* fill out IRQ number and name fields */
len_devname = strlen(dev->name);
strncpy(&priv->int_name_tx[0], dev->name, len_devname);
@@ -838,7 +862,7 @@ void stop_gfar(struct net_device *dev)
free_irq(priv->interruptTransmit, dev);
free_irq(priv->interruptReceive, dev);
} else {
- free_irq(priv->interruptTransmit, dev);
+ free_irq(priv->interruptTransmit, dev);
}
free_skb_resources(priv);
@@ -1183,6 +1207,8 @@ static int gfar_enet_open(struct net_device *dev)
napi_enable(&priv->napi);
+ skb_queue_head_init(&priv->rx_recycle);
+
/* Initialize a bunch of registers */
init_registers(dev);
@@ -1203,6 +1229,8 @@ static int gfar_enet_open(struct net_device *dev)
netif_start_queue(dev);
+ device_set_wakeup_enable(&dev->dev, priv->wol_en);
+
return err;
}
@@ -1399,6 +1427,7 @@ static int gfar_close(struct net_device *dev)
napi_disable(&priv->napi);
+ skb_queue_purge(&priv->rx_recycle);
cancel_work_sync(&priv->reset_task);
stop_gfar(dev);
@@ -1595,7 +1624,17 @@ static int gfar_clean_tx_ring(struct net_device *dev)
bdp = next_txbd(bdp, base, tx_ring_size);
}
- dev_kfree_skb_any(skb);
+ /*
+ * If there's room in the queue (limit it to rx_buffer_size)
+ * we add this skb back into the pool, if it's the right size
+ */
+ if (skb_queue_len(&priv->rx_recycle) < priv->rx_ring_size &&
+ skb_recycle_check(skb, priv->rx_buffer_size +
+ RXBUF_ALIGNMENT))
+ __skb_queue_head(&priv->rx_recycle, skb);
+ else
+ dev_kfree_skb_any(skb);
+
priv->tx_skbuff[skb_dirtytx] = NULL;
skb_dirtytx = (skb_dirtytx + 1) &
@@ -1626,9 +1665,9 @@ static void gfar_schedule_cleanup(struct net_device *dev)
spin_lock_irqsave(&priv->txlock, flags);
spin_lock(&priv->rxlock);
- if (netif_rx_schedule_prep(&priv->napi)) {
+ if (napi_schedule_prep(&priv->napi)) {
gfar_write(&priv->regs->imask, IMASK_RTX_DISABLED);
- __netif_rx_schedule(&priv->napi);
+ __napi_schedule(&priv->napi);
}
spin_unlock(&priv->rxlock);
@@ -1668,8 +1707,10 @@ struct sk_buff * gfar_new_skb(struct net_device *dev)
struct gfar_private *priv = netdev_priv(dev);
struct sk_buff *skb = NULL;
- /* We have to allocate the skb, so keep trying till we succeed */
- skb = netdev_alloc_skb(dev, priv->rx_buffer_size + RXBUF_ALIGNMENT);
+ skb = __skb_dequeue(&priv->rx_recycle);
+ if (!skb)
+ skb = netdev_alloc_skb(dev,
+ priv->rx_buffer_size + RXBUF_ALIGNMENT);
if (!skb)
return NULL;
@@ -1817,7 +1858,7 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
if (unlikely(!newskb))
newskb = skb;
else if (skb)
- dev_kfree_skb_any(skb);
+ __skb_queue_head(&priv->rx_recycle, skb);
} else {
/* Increment the number of packets */
dev->stats.rx_packets++;
@@ -1829,6 +1870,8 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
skb_put(skb, pkt_len);
dev->stats.rx_bytes += pkt_len;
+ if (in_irq() || irqs_disabled())
+ printk("Interrupt problem!\n");
gfar_process_frame(dev, skb, amount_pull);
} else {
@@ -1885,7 +1928,7 @@ static int gfar_poll(struct napi_struct *napi, int budget)
return budget;
if (rx_cleaned < budget) {
- netif_rx_complete(napi);
+ napi_complete(napi);
/* Clear the halt bit in RSTAT */
gfar_write(&priv->regs->rstat, RSTAT_CLEAR_RHALT);
@@ -2302,23 +2345,12 @@ static struct of_platform_driver gfar_driver = {
static int __init gfar_init(void)
{
- int err = gfar_mdio_init();
-
- if (err)
- return err;
-
- err = of_register_platform_driver(&gfar_driver);
-
- if (err)
- gfar_mdio_exit();
-
- return err;
+ return of_register_platform_driver(&gfar_driver);
}
static void __exit gfar_exit(void)
{
of_unregister_platform_driver(&gfar_driver);
- gfar_mdio_exit();
}
module_init(gfar_init);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-19 11:27:24 +0000