#define SBMAC_MAX_TXDESCR 256
#define SBMAC_MAX_RXDESCR 256
-#define ETHER_ALIGN 2
-#define ETHER_ADDR_LEN 6
+#define ETHER_ADDR_LEN 6
#define ENET_PACKET_SIZE 1518
/*#define ENET_PACKET_SIZE 9216 */
struct net_device *sbm_dev; /* pointer to linux device */
struct napi_struct napi;
struct phy_device *phy_dev; /* the associated PHY device */
- struct mii_bus mii_bus; /* the MII bus */
+ struct mii_bus *mii_bus; /* the MII bus */
int phy_irq[PHY_MAX_ADDR];
spinlock_t sbm_lock; /* spin lock */
int sbm_devflags; /* current device flags */
- int sbm_buffersize;
-
/*
* Controller-specific things
*/
static void sbdma_initctx(struct sbmacdma *d, struct sbmac_softc *s, int chan,
int txrx, int maxdescr);
static void sbdma_channel_start(struct sbmacdma *d, int rxtx);
-static int sbdma_add_rcvbuffer(struct sbmacdma *d, struct sk_buff *m);
+static int sbdma_add_rcvbuffer(struct sbmac_softc *sc, struct sbmacdma *d,
+ struct sk_buff *m);
static int sbdma_add_txbuffer(struct sbmacdma *d, struct sk_buff *m);
static void sbdma_emptyring(struct sbmacdma *d);
-static void sbdma_fillring(struct sbmacdma *d);
+static void sbdma_fillring(struct sbmac_softc *sc, struct sbmacdma *d);
static int sbdma_rx_process(struct sbmac_softc *sc, struct sbmacdma *d,
int work_to_do, int poll);
static void sbdma_tx_process(struct sbmac_softc *sc, struct sbmacdma *d,
d->sbdma_remptr = NULL;
}
-static void sbdma_align_skb(struct sk_buff *skb,int power2,int offset)
+static inline void sbdma_align_skb(struct sk_buff *skb,
+ unsigned int power2, unsigned int offset)
{
- unsigned long addr;
- unsigned long newaddr;
-
- addr = (unsigned long) skb->data;
+ unsigned char *addr = skb->data;
+ unsigned char *newaddr = PTR_ALIGN(addr, power2);
- newaddr = (addr + power2 - 1) & ~(power2 - 1);
-
- skb_reserve(skb,newaddr-addr+offset);
+ skb_reserve(skb, newaddr - addr + offset);
}
* this queues a buffer for inbound packets.
*
* Input parameters:
- * d - DMA channel descriptor
+ * sc - softc structure
+ * d - DMA channel descriptor
* sb - sk_buff to add, or NULL if we should allocate one
*
* Return value:
********************************************************************* */
-static int sbdma_add_rcvbuffer(struct sbmacdma *d, struct sk_buff *sb)
+static int sbdma_add_rcvbuffer(struct sbmac_softc *sc, struct sbmacdma *d,
+ struct sk_buff *sb)
{
+ struct net_device *dev = sc->sbm_dev;
struct sbdmadscr *dsc;
struct sbdmadscr *nextdsc;
struct sk_buff *sb_new = NULL;
*/
if (sb == NULL) {
- sb_new = dev_alloc_skb(ENET_PACKET_SIZE + SMP_CACHE_BYTES * 2 + ETHER_ALIGN);
+ sb_new = netdev_alloc_skb(dev, ENET_PACKET_SIZE +
+ SMP_CACHE_BYTES * 2 +
+ NET_IP_ALIGN);
if (sb_new == NULL) {
pr_info("%s: sk_buff allocation failed\n",
d->sbdma_eth->sbm_dev->name);
return -ENOBUFS;
}
- sbdma_align_skb(sb_new, SMP_CACHE_BYTES, ETHER_ALIGN);
+ sbdma_align_skb(sb_new, SMP_CACHE_BYTES, NET_IP_ALIGN);
}
else {
sb_new = sb;
* Do not interrupt per DMA transfer.
*/
dsc->dscr_a = virt_to_phys(sb_new->data) |
- V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize+ETHER_ALIGN)) | 0;
+ V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize + NET_IP_ALIGN)) | 0;
#else
dsc->dscr_a = virt_to_phys(sb_new->data) |
- V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize+ETHER_ALIGN)) |
+ V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize + NET_IP_ALIGN)) |
M_DMA_DSCRA_INTERRUPT;
#endif
* with sk_buffs
*
* Input parameters:
- * d - DMA channel
+ * sc - softc structure
+ * d - DMA channel
*
* Return value:
* nothing
********************************************************************* */
-static void sbdma_fillring(struct sbmacdma *d)
+static void sbdma_fillring(struct sbmac_softc *sc, struct sbmacdma *d)
{
int idx;
- for (idx = 0; idx < SBMAC_MAX_RXDESCR-1; idx++) {
- if (sbdma_add_rcvbuffer(d,NULL) != 0)
+ for (idx = 0; idx < SBMAC_MAX_RXDESCR - 1; idx++) {
+ if (sbdma_add_rcvbuffer(sc, d, NULL) != 0)
break;
}
}
((M_MAC_INT_EOP_COUNT | M_MAC_INT_EOP_TIMER) << S_MAC_RX_CH0),
sc->sbm_imr);
#else
- __raw_writeq((M_MAC_INT_CHANNEL << S_MAC_TX_CH0) |
+ __raw_writeq((M_MAC_INT_CHANNEL << S_MAC_TX_CH0) |
(M_MAC_INT_CHANNEL << S_MAC_RX_CH0), sc->sbm_imr);
#endif
}
* packet and put it right back on the receive ring.
*/
- if (unlikely (sbdma_add_rcvbuffer(d,NULL) ==
- -ENOBUFS)) {
+ if (unlikely(sbdma_add_rcvbuffer(sc, d, NULL) ==
+ -ENOBUFS)) {
dev->stats.rx_dropped++;
- sbdma_add_rcvbuffer(d,sb); /* re-add old buffer */
+ /* Re-add old buffer */
+ sbdma_add_rcvbuffer(sc, d, sb);
/* No point in continuing at the moment */
printk(KERN_ERR "dropped packet (1)\n");
d->sbdma_remptr = SBDMA_NEXTBUF(d,sbdma_remptr);
* put it back on the receive ring.
*/
dev->stats.rx_errors++;
- sbdma_add_rcvbuffer(d,sb);
+ sbdma_add_rcvbuffer(sc, d, sb);
}
V_MAC_TX_RL_THRSH(4) |
V_MAC_RX_PL_THRSH(4) |
V_MAC_RX_RD_THRSH(4) | /* Must be '4' */
- V_MAC_RX_PL_THRSH(4) |
V_MAC_RX_RL_THRSH(8) |
0;
* Fill the receive ring
*/
- sbdma_fillring(&(s->sbm_rxdma));
+ sbdma_fillring(s, &(s->sbm_rxdma));
/*
* Turn on the rest of the bits in the enable register
sbdma_tx_process(sc,&(sc->sbm_txdma), 0);
if (isr & (M_MAC_INT_CHANNEL << S_MAC_RX_CH0)) {
- if (netif_rx_schedule_prep(dev, &sc->napi)) {
+ if (napi_schedule_prep(&sc->napi)) {
__raw_writeq(0, sc->sbm_imr);
- __netif_rx_schedule(dev, &sc->napi);
+ __napi_schedule(&sc->napi);
/* Depend on the exit from poll to reenable intr */
}
else {
static int sbmac_start_tx(struct sk_buff *skb, struct net_device *dev)
{
struct sbmac_softc *sc = netdev_priv(dev);
+ unsigned long flags;
/* lock eth irq */
- spin_lock_irq (&sc->sbm_lock);
+ spin_lock_irqsave(&sc->sbm_lock, flags);
/*
* Put the buffer on the transmit ring. If we
if (sbdma_add_txbuffer(&(sc->sbm_txdma),skb)) {
/* XXX save skb that we could not send */
netif_stop_queue(dev);
- spin_unlock_irq(&sc->sbm_lock);
+ spin_unlock_irqrestore(&sc->sbm_lock, flags);
- return 1;
+ return NETDEV_TX_BUSY;
}
dev->trans_start = jiffies;
- spin_unlock_irq (&sc->sbm_lock);
+ spin_unlock_irqrestore(&sc->sbm_lock, flags);
- return 0;
+ return NETDEV_TX_OK;
}
/**********************************************************************
return 0;
}
+static const struct net_device_ops sbmac_netdev_ops = {
+ .ndo_open = sbmac_open,
+ .ndo_stop = sbmac_close,
+ .ndo_start_xmit = sbmac_start_tx,
+ .ndo_set_multicast_list = sbmac_set_rx_mode,
+ .ndo_tx_timeout = sbmac_tx_timeout,
+ .ndo_do_ioctl = sbmac_mii_ioctl,
+ .ndo_change_mtu = sb1250_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = eth_mac_addr,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = sbmac_netpoll,
+#endif
+};
+
/**********************************************************************
* SBMAC_INIT(dev)
*
static int sbmac_init(struct platform_device *pldev, long long base)
{
- struct net_device *dev = pldev->dev.driver_data;
+ struct net_device *dev = dev_get_drvdata(&pldev->dev);
int idx = pldev->id;
struct sbmac_softc *sc = netdev_priv(dev);
unsigned char *eaddr;
uint64_t ea_reg;
int i;
int err;
- DECLARE_MAC_BUF(mac);
sc->sbm_dev = dev;
sc->sbe_idx = idx;
eaddr = sc->sbm_hwaddr;
/*
- * Read the ethernet address. The firwmare left this programmed
+ * Read the ethernet address. The firmware left this programmed
* for us in the ethernet address register for each mac.
*/
dev->dev_addr[i] = eaddr[i];
}
-
- /*
- * Init packet size
- */
-
- sc->sbm_buffersize = ENET_PACKET_SIZE + SMP_CACHE_BYTES * 2 + ETHER_ALIGN;
-
/*
* Initialize context (get pointers to registers and stuff), then
* allocate the memory for the descriptor tables.
spin_lock_init(&(sc->sbm_lock));
- dev->open = sbmac_open;
- dev->hard_start_xmit = sbmac_start_tx;
- dev->stop = sbmac_close;
- dev->set_multicast_list = sbmac_set_rx_mode;
- dev->do_ioctl = sbmac_mii_ioctl;
- dev->tx_timeout = sbmac_tx_timeout;
- dev->watchdog_timeo = TX_TIMEOUT;
+ dev->netdev_ops = &sbmac_netdev_ops;
+ dev->watchdog_timeo = TX_TIMEOUT;
netif_napi_add(dev, &sc->napi, sbmac_poll, 16);
- dev->change_mtu = sb1250_change_mtu;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = sbmac_netpoll;
-#endif
-
dev->irq = UNIT_INT(idx);
/* This is needed for PASS2 for Rx H/W checksum feature */
sbmac_set_iphdr_offset(sc);
+ sc->mii_bus = mdiobus_alloc();
+ if (sc->mii_bus == NULL) {
+ sbmac_uninitctx(sc);
+ return -ENOMEM;
+ }
+
err = register_netdev(dev);
if (err) {
printk(KERN_ERR "%s.%d: unable to register netdev\n",
sbmac_string, idx);
+ mdiobus_free(sc->mii_bus);
sbmac_uninitctx(sc);
return err;
}
* process so we need to finish off the config message that
* was being displayed)
*/
- pr_info("%s: SiByte Ethernet at 0x%08Lx, address: %s\n",
- dev->name, base, print_mac(mac, eaddr));
+ pr_info("%s: SiByte Ethernet at 0x%08Lx, address: %pM\n",
+ dev->name, base, eaddr);
- sc->mii_bus.name = sbmac_mdio_string;
- snprintf(sc->mii_bus.id, MII_BUS_ID_SIZE, "%x", idx);
- sc->mii_bus.priv = sc;
- sc->mii_bus.read = sbmac_mii_read;
- sc->mii_bus.write = sbmac_mii_write;
- sc->mii_bus.irq = sc->phy_irq;
+ sc->mii_bus->name = sbmac_mdio_string;
+ snprintf(sc->mii_bus->id, MII_BUS_ID_SIZE, "%x", idx);
+ sc->mii_bus->priv = sc;
+ sc->mii_bus->read = sbmac_mii_read;
+ sc->mii_bus->write = sbmac_mii_write;
+ sc->mii_bus->irq = sc->phy_irq;
for (i = 0; i < PHY_MAX_ADDR; ++i)
- sc->mii_bus.irq[i] = SBMAC_PHY_INT;
+ sc->mii_bus->irq[i] = SBMAC_PHY_INT;
- sc->mii_bus.dev = &pldev->dev;
- dev_set_drvdata(&pldev->dev, &sc->mii_bus);
+ sc->mii_bus->parent = &pldev->dev;
+ dev_set_drvdata(&pldev->dev, sc->mii_bus);
return 0;
}
*/
__raw_readq(sc->sbm_isr);
- err = request_irq(dev->irq, &sbmac_intr, IRQF_SHARED, dev->name, dev);
+ err = request_irq(dev->irq, sbmac_intr, IRQF_SHARED, dev->name, dev);
if (err) {
printk(KERN_ERR "%s: unable to get IRQ %d\n", dev->name,
dev->irq);
/*
* Probe PHY address
*/
- err = mdiobus_register(&sc->mii_bus);
+ err = mdiobus_register(sc->mii_bus);
if (err) {
printk(KERN_ERR "%s: unable to register MDIO bus\n",
dev->name);
return 0;
out_unregister:
- mdiobus_unregister(&sc->mii_bus);
+ mdiobus_unregister(sc->mii_bus);
out_unirq:
free_irq(dev->irq, dev);
int i;
for (i = 0; i < PHY_MAX_ADDR; i++) {
- phy_dev = sc->mii_bus.phy_map[i];
+ phy_dev = sc->mii_bus->phy_map[i];
if (phy_dev)
break;
}
return -ENXIO;
}
- phy_dev = phy_connect(dev, phy_dev->dev.bus_id, &sbmac_mii_poll, 0,
+ phy_dev = phy_connect(dev, dev_name(&phy_dev->dev), &sbmac_mii_poll, 0,
PHY_INTERFACE_MODE_GMII);
if (IS_ERR(phy_dev)) {
printk(KERN_ERR "%s: could not attach to PHY\n", dev->name);
pr_info("%s: attached PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n",
dev->name, phy_dev->drv->name,
- phy_dev->dev.bus_id, phy_dev->irq);
+ dev_name(&phy_dev->dev), phy_dev->irq);
sc->phy_dev = phy_dev;
static void sbmac_tx_timeout (struct net_device *dev)
{
struct sbmac_softc *sc = netdev_priv(dev);
+ unsigned long flags;
- spin_lock_irq (&sc->sbm_lock);
+ spin_lock_irqsave(&sc->sbm_lock, flags);
dev->trans_start = jiffies;
dev->stats.tx_errors++;
- spin_unlock_irq (&sc->sbm_lock);
+ spin_unlock_irqrestore(&sc->sbm_lock, flags);
printk (KERN_WARNING "%s: Transmit timed out\n",dev->name);
}
phy_disconnect(sc->phy_dev);
sc->phy_dev = NULL;
- mdiobus_unregister(&sc->mii_bus);
+ mdiobus_unregister(sc->mii_bus);
free_irq(dev->irq, dev);
sbdma_tx_process(sc, &(sc->sbm_txdma), 1);
if (work_done < budget) {
- netif_rx_complete(dev, napi);
+ napi_complete(napi);
#ifdef CONFIG_SBMAC_COALESCE
__raw_writeq(((M_MAC_INT_EOP_COUNT | M_MAC_INT_EOP_TIMER) << S_MAC_TX_CH0) |
}
-static int __init sbmac_probe(struct platform_device *pldev)
+static int __devinit sbmac_probe(struct platform_device *pldev)
{
struct net_device *dev;
struct sbmac_softc *sc;
sbm_base = ioremap_nocache(res->start, res->end - res->start + 1);
if (!sbm_base) {
printk(KERN_ERR "%s: unable to map device registers\n",
- pldev->dev.bus_id);
+ dev_name(&pldev->dev));
err = -ENOMEM;
goto out_out;
}
* If we find a zero, skip this MAC.
*/
sbmac_orig_hwaddr = __raw_readq(sbm_base + R_MAC_ETHERNET_ADDR);
- pr_debug("%s: %sconfiguring MAC at 0x%08Lx\n", pldev->dev.bus_id,
+ pr_debug("%s: %sconfiguring MAC at 0x%08Lx\n", dev_name(&pldev->dev),
sbmac_orig_hwaddr ? "" : "not ", (long long)res->start);
if (sbmac_orig_hwaddr == 0) {
err = 0;
dev = alloc_etherdev(sizeof(struct sbmac_softc));
if (!dev) {
printk(KERN_ERR "%s: unable to allocate etherdev\n",
- pldev->dev.bus_id);
+ dev_name(&pldev->dev));
err = -ENOMEM;
goto out_unmap;
}
- pldev->dev.driver_data = dev;
+ dev_set_drvdata(&pldev->dev, dev);
SET_NETDEV_DEV(dev, &pldev->dev);
sc = netdev_priv(dev);
static int __exit sbmac_remove(struct platform_device *pldev)
{
- struct net_device *dev = pldev->dev.driver_data;
+ struct net_device *dev = dev_get_drvdata(&pldev->dev);
struct sbmac_softc *sc = netdev_priv(dev);
unregister_netdev(dev);
sbmac_uninitctx(sc);
+ mdiobus_free(sc->mii_bus);
iounmap(sc->sbm_base);
free_netdev(dev);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff