#include <linux/delay.h>
#include <linux/netdevice.h>
+#include <linux/if_vlan.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/skbuff.h>
#include <linux/phy_fixed.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
+#include <linux/clk.h>
#include <asm/gpio.h>
#include <asm/atomic.h>
MODULE_PARM_DESC(debug_level, "Number of NETIF_MSG bits to enable");
MODULE_PARM_DESC(dumb_switch, "Assume switch is not connected to MDIO bus");
-#define CPMAC_VERSION "0.5.0"
-/* frame size + 802.1q tag */
-#define CPMAC_SKB_SIZE (ETH_FRAME_LEN + 4)
+#define CPMAC_VERSION "0.5.2"
+/* frame size + 802.1q tag + FCS size */
+#define CPMAC_SKB_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)
#define CPMAC_QUEUES 8
/* Ethernet registers */
void __iomem *regs;
struct mii_bus *mii_bus;
struct phy_device *phy;
- char phy_name[BUS_ID_SIZE];
+ char phy_name[MII_BUS_ID_SIZE + 3];
int oldlink, oldspeed, oldduplex;
u32 msg_enable;
struct net_device *dev;
static int cpmac_mdio_reset(struct mii_bus *bus)
{
+ struct clk *cpmac_clk;
+
+ cpmac_clk = clk_get(&bus->dev, "cpmac");
+ if (IS_ERR(cpmac_clk)) {
+ printk(KERN_ERR "unable to get cpmac clock\n");
+ return -1;
+ }
ar7_device_reset(AR7_RESET_BIT_MDIO);
cpmac_write(bus->priv, CPMAC_MDIO_CONTROL, MDIOC_ENABLE |
- MDIOC_CLKDIV(ar7_cpmac_freq() / 2200000 - 1));
+ MDIOC_CLKDIV(clk_get_rate(cpmac_clk) / 2200000 - 1));
return 0;
}
static void cpmac_set_multicast_list(struct net_device *dev)
{
- struct dev_mc_list *iter;
- int i;
+ struct netdev_hw_addr *ha;
u8 tmp;
u32 mbp, bit, hash[2] = { 0, };
struct cpmac_priv *priv = netdev_priv(dev);
* cpmac uses some strange mac address hashing
* (not crc32)
*/
- for (i = 0, iter = dev->mc_list; i < dev->mc_count;
- i++, iter = iter->next) {
+ netdev_for_each_mc_addr(ha, dev) {
bit = 0;
- tmp = iter->dmi_addr[0];
+ tmp = ha->addr[0];
bit ^= (tmp >> 2) ^ (tmp << 4);
- tmp = iter->dmi_addr[1];
+ tmp = ha->addr[1];
bit ^= (tmp >> 4) ^ (tmp << 2);
- tmp = iter->dmi_addr[2];
+ tmp = ha->addr[2];
bit ^= (tmp >> 6) ^ tmp;
- tmp = iter->dmi_addr[3];
+ tmp = ha->addr[3];
bit ^= (tmp >> 2) ^ (tmp << 4);
- tmp = iter->dmi_addr[4];
+ tmp = ha->addr[4];
bit ^= (tmp >> 4) ^ (tmp << 2);
- tmp = iter->dmi_addr[5];
+ tmp = ha->addr[5];
bit ^= (tmp >> 6) ^ tmp;
bit &= 0x3f;
hash[bit / 32] |= 1 << (bit % 32);
return NULL;
}
- skb = netdev_alloc_skb(priv->dev, CPMAC_SKB_SIZE);
+ skb = netdev_alloc_skb_ip_align(priv->dev, CPMAC_SKB_SIZE);
if (likely(skb)) {
- skb_reserve(skb, 2);
skb_put(desc->skb, desc->datalen);
desc->skb->protocol = eth_type_trans(desc->skb, priv->dev);
desc->skb->ip_summed = CHECKSUM_NONE;
printk(KERN_WARNING "%s: rx: polling, but no queue\n",
priv->dev->name);
spin_unlock(&priv->rx_lock);
- netif_rx_complete(priv->dev, napi);
+ napi_complete(napi);
return 0;
}
if (processed == 0) {
/* we ran out of packets to read,
* revert to interrupt-driven mode */
- netif_rx_complete(priv->dev, napi);
+ napi_complete(napi);
cpmac_write(priv->regs, CPMAC_RX_INT_ENABLE, 1);
return 0;
}
}
spin_unlock(&priv->rx_lock);
- netif_rx_complete(priv->dev, napi);
+ napi_complete(napi);
netif_tx_stop_all_queues(priv->dev);
napi_disable(&priv->napi);
}
spin_lock(&priv->lock);
- dev->trans_start = jiffies;
spin_unlock(&priv->lock);
desc->dataflags = CPMAC_SOP | CPMAC_EOP | CPMAC_OWN;
desc->skb = skb;
dev_kfree_skb_irq(desc->skb);
desc->skb = NULL;
- if (netif_subqueue_stopped(dev, queue))
+ if (__netif_subqueue_stopped(dev, queue))
netif_wake_subqueue(dev, queue);
} else {
if (netif_msg_tx_err(priv) && net_ratelimit())
printk(KERN_WARNING
"%s: end_xmit: spurious interrupt\n", dev->name);
- if (netif_subqueue_stopped(dev, queue))
+ if (__netif_subqueue_stopped(dev, queue))
netif_wake_subqueue(dev, queue);
}
}
static void cpmac_hw_error(struct work_struct *work)
{
- int i;
struct cpmac_priv *priv =
container_of(work, struct cpmac_priv, reset_work);
if (status & MAC_INT_RX) {
queue = (status >> 8) & 7;
- if (netif_rx_schedule_prep(dev, &priv->napi)) {
+ if (napi_schedule_prep(&priv->napi)) {
cpmac_write(priv->regs, CPMAC_RX_INT_CLEAR, 1 << queue);
- __netif_rx_schedule(dev, &priv->napi);
+ __napi_schedule(&priv->napi);
}
}
static void cpmac_tx_timeout(struct net_device *dev)
{
- int i;
struct cpmac_priv *priv = netdev_priv(dev);
spin_lock(&priv->lock);
priv->rx_head = &priv->desc_ring[CPMAC_QUEUES];
for (i = 0, desc = priv->rx_head; i < priv->ring_size; i++, desc++) {
- skb = netdev_alloc_skb(dev, CPMAC_SKB_SIZE);
+ skb = netdev_alloc_skb_ip_align(dev, CPMAC_SKB_SIZE);
if (unlikely(!skb)) {
res = -ENOMEM;
goto fail_desc;
}
- skb_reserve(skb, 2);
desc->skb = skb;
desc->data_mapping = dma_map_single(&dev->dev, skb->data,
CPMAC_SKB_SIZE,
return 0;
}
+static const struct net_device_ops cpmac_netdev_ops = {
+ .ndo_open = cpmac_open,
+ .ndo_stop = cpmac_stop,
+ .ndo_start_xmit = cpmac_start_xmit,
+ .ndo_tx_timeout = cpmac_tx_timeout,
+ .ndo_set_multicast_list = cpmac_set_multicast_list,
+ .ndo_do_ioctl = cpmac_ioctl,
+ .ndo_set_config = cpmac_config,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = eth_mac_addr,
+};
+
static int external_switch;
static int __devinit cpmac_probe(struct platform_device *pdev)
{
- int rc, phy_id, i;
- char *mdio_bus_id = "0";
+ int rc, phy_id;
+ char mdio_bus_id[MII_BUS_ID_SIZE];
struct resource *mem;
struct cpmac_priv *priv;
struct net_device *dev;
pdata = pdev->dev.platform_data;
- for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
- if (!(pdata->phy_mask & (1 << phy_id)))
- continue;
- if (!cpmac_mii->phy_map[phy_id])
- continue;
- break;
+ if (external_switch || dumb_switch) {
+ strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+ phy_id = pdev->id;
+ } else {
+ for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
+ if (!(pdata->phy_mask & (1 << phy_id)))
+ continue;
+ if (!cpmac_mii->phy_map[phy_id])
+ continue;
+ strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
+ break;
+ }
}
if (phy_id == PHY_MAX_ADDR) {
- if (external_switch || dumb_switch) {
- mdio_bus_id = 0; /* fixed phys bus */
- phy_id = pdev->id;
- } else {
- dev_err(&pdev->dev, "no PHY present\n");
- return -ENODEV;
- }
+ dev_err(&pdev->dev, "no PHY present, falling back to switch on MDIO bus 0\n");
+ strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+ phy_id = pdev->id;
}
dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
dev->irq = platform_get_irq_byname(pdev, "irq");
- dev->open = cpmac_open;
- dev->stop = cpmac_stop;
- dev->set_config = cpmac_config;
- dev->hard_start_xmit = cpmac_start_xmit;
- dev->do_ioctl = cpmac_ioctl;
- dev->set_multicast_list = cpmac_set_multicast_list;
- dev->tx_timeout = cpmac_tx_timeout;
- dev->ethtool_ops = &cpmac_ethtool_ops;
+ dev->netdev_ops = &cpmac_netdev_ops;
+ dev->ethtool_ops = &cpmac_ethtool_ops;
netif_napi_add(dev, &priv->napi, cpmac_poll, 64);
priv->dev = dev;
priv->ring_size = 64;
priv->msg_enable = netif_msg_init(debug_level, 0xff);
- memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr));
+ memcpy(dev->dev_addr, pdata->dev_addr, sizeof(pdata->dev_addr));
+
+ snprintf(priv->phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
+
+ priv->phy = phy_connect(dev, priv->phy_name, &cpmac_adjust_link, 0,
+ PHY_INTERFACE_MODE_MII);
- priv->phy = phy_connect(dev, cpmac_mii->phy_map[phy_id]->dev.bus_id,
- &cpmac_adjust_link, 0, PHY_INTERFACE_MODE_MII);
if (IS_ERR(priv->phy)) {
if (netif_msg_drv(priv))
printk(KERN_ERR "%s: Could not attach to PHY\n",
cpmac_mii->reset(cpmac_mii);
- for (i = 0; i < 300000; i++)
+ for (i = 0; i < 300; i++)
if ((mask = cpmac_read(cpmac_mii->priv, CPMAC_MDIO_ALIVE)))
break;
else
- cpu_relax();
+ msleep(10);
mask &= 0x7fffffff;
if (mask & (mask - 1)) {
}
cpmac_mii->phy_mask = ~(mask | 0x80000000);
- snprintf(cpmac_mii->id, MII_BUS_ID_SIZE, "0");
+ snprintf(cpmac_mii->id, MII_BUS_ID_SIZE, "1");
res = mdiobus_register(cpmac_mii);
if (res)
{
platform_driver_unregister(&cpmac_driver);
mdiobus_unregister(cpmac_mii);
- mdiobus_free(cpmac_mii);
iounmap(cpmac_mii->priv);
+ mdiobus_free(cpmac_mii);
}
module_init(cpmac_init);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff