June 1st, 2000
corrected version codes, added support for the latest 2.3 changes
Oct 28th, 2002
- cleaned up for the 2.5 tree <alan@redhat.com>
+ cleaned up for the 2.5 tree <alan@lxorguk.ukuu.org.uk>
*************************************************************************/
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/time.h>
-#include <linux/mca-legacy.h>
+#include <linux/mca.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
/* deduce resources out of POS registers */
-static void getaddrs(int slot, int *base, int *memlen, int *iobase,
- int *irq, ibmlana_medium * medium)
+static void getaddrs(struct mca_device *mdev, int *base, int *memlen,
+ int *iobase, int *irq, ibmlana_medium *medium)
{
u_char pos0, pos1;
- pos0 = mca_read_stored_pos(slot, 2);
- pos1 = mca_read_stored_pos(slot, 3);
+ pos0 = mca_device_read_stored_pos(mdev, 2);
+ pos1 = mca_device_read_stored_pos(mdev, 3);
*base = 0xc0000 + ((pos1 & 0xf0) << 9);
*memlen = (pos1 & 0x01) ? 0x8000 : 0x4000;
skb->ip_summed = CHECKSUM_NONE;
/* bookkeeping */
- dev->last_rx = jiffies;
dev->stats.rx_packets++;
dev->stats.rx_bytes += rda.length;
/* general interrupt entry */
-static irqreturn_t irq_handler(int irq, void *device)
+static irqreturn_t irq_handler(int dummy, void *device)
{
- struct net_device *dev = (struct net_device *) device;
+ struct net_device *dev = device;
u16 ival;
/* in case we're not meant... */
/* MCA info */
+#if 0 /* info available elsewhere, but this is kept for reference */
static int ibmlana_getinfo(char *buf, int slot, void *d)
{
int len = 0, i;
return len;
}
+#endif
/* open driver. Means also initialization and start of LANCE */
/* transmit a block. */
-static int ibmlana_tx(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t ibmlana_tx(struct sk_buff *skb, struct net_device *dev)
{
ibmlana_priv *priv = netdev_priv(dev);
- int retval = 0, tmplen, addr;
+ int tmplen, addr;
unsigned long flags;
tda_t tda;
int baddr;
the upper layer is in deep desperation and we simply ignore the frame. */
if (priv->txusedcnt >= TXBUFCNT) {
- retval = -EIO;
dev->stats.tx_dropped++;
goto tx_done;
}
spin_unlock_irqrestore(&priv->lock, flags);
tx_done:
dev_kfree_skb(skb);
- return retval;
+ return NETDEV_TX_OK;
}
/* switch receiver mode. */
* hardware check
* ------------------------------------------------------------------------ */
+static int ibmlana_irq;
+static int ibmlana_io;
static int startslot; /* counts through slots when probing multiple devices */
-static int ibmlana_probe(struct net_device *dev)
+static short ibmlana_adapter_ids[] __initdata = {
+ IBM_LANA_ID,
+ 0x0000
+};
+
+static char *ibmlana_adapter_names[] __devinitdata = {
+ "IBM LAN Adapter/A",
+ NULL
+};
+
+
+static const struct net_device_ops ibmlana_netdev_ops = {
+ .ndo_open = ibmlana_open,
+ .ndo_stop = ibmlana_close,
+ .ndo_start_xmit = ibmlana_tx,
+ .ndo_set_multicast_list = ibmlana_set_multicast_list,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
+static int __devinit ibmlana_init_one(struct device *kdev)
{
- int slot, z;
+ struct mca_device *mdev = to_mca_device(kdev);
+ struct net_device *dev;
+ int slot = mdev->slot, z, rc;
int base = 0, irq = 0, iobase = 0, memlen = 0;
ibmlana_priv *priv;
ibmlana_medium medium;
- /* can't work without an MCA bus ;-) */
- if (MCA_bus == 0)
- return -ENODEV;
+ dev = alloc_etherdev(sizeof(ibmlana_priv));
+ if (!dev)
+ return -ENOMEM;
+
+ dev->irq = ibmlana_irq;
+ dev->base_addr = ibmlana_io;
base = dev->mem_start;
irq = dev->irq;
- for (slot = startslot; (slot = mca_find_adapter(IBM_LANA_ID, slot)) != -1; slot++) {
- /* deduce card addresses */
- getaddrs(slot, &base, &memlen, &iobase, &irq, &medium);
-
- /* slot already in use ? */
- if (mca_is_adapter_used(slot))
- continue;
- /* were we looking for something different ? */
- if (dev->irq && dev->irq != irq)
- continue;
- if (dev->mem_start && dev->mem_start != base)
- continue;
- /* found something that matches */
- break;
- }
+ /* deduce card addresses */
+ getaddrs(mdev, &base, &memlen, &iobase, &irq, &medium);
- /* nothing found ? */
- if (slot == -1)
- return (base != 0 || irq != 0) ? -ENXIO : -ENODEV;
+ /* were we looking for something different ? */
+ if (dev->irq && dev->irq != irq) {
+ rc = -ENODEV;
+ goto err_out;
+ }
+ if (dev->mem_start && dev->mem_start != base) {
+ rc = -ENODEV;
+ goto err_out;
+ }
/* announce success */
printk(KERN_INFO "%s: IBM LAN Adapter/A found in slot %d\n", dev->name, slot + 1);
if (!request_region(iobase, IBM_LANA_IORANGE, DRV_NAME)) {
printk(KERN_ERR "%s: cannot allocate I/O range at %#x!\n", DRV_NAME, iobase);
startslot = slot + 1;
- return -EBUSY;
+ rc = -EBUSY;
+ goto err_out;
}
priv = netdev_priv(dev);
priv->slot = slot;
- priv->realirq = irq;
+ priv->realirq = mca_device_transform_irq(mdev, irq);
priv->medium = medium;
spin_lock_init(&priv->lock);
-
/* set base + irq for this device (irq not allocated so far) */
dev->irq = 0;
if (!priv->base) {
printk(KERN_ERR "%s: cannot remap memory!\n", DRV_NAME);
startslot = slot + 1;
- release_region(iobase, IBM_LANA_IORANGE);
- return -EBUSY;
+ rc = -EBUSY;
+ goto err_out_reg;
}
- /* make procfs entries */
- mca_set_adapter_name(slot, "IBM LAN Adapter/A");
- mca_set_adapter_procfn(slot, (MCA_ProcFn) ibmlana_getinfo, dev);
-
- mca_mark_as_used(slot);
+ mca_device_set_name(mdev, ibmlana_adapter_names[mdev->index]);
+ mca_device_set_claim(mdev, 1);
/* set methods */
-
- dev->open = ibmlana_open;
- dev->stop = ibmlana_close;
- dev->hard_start_xmit = ibmlana_tx;
- dev->do_ioctl = NULL;
- dev->set_multicast_list = ibmlana_set_multicast_list;
+ dev->netdev_ops = &ibmlana_netdev_ops;
dev->flags |= IFF_MULTICAST;
/* copy out MAC address */
/* print config */
printk(KERN_INFO "%s: IRQ %d, I/O %#lx, memory %#lx-%#lx, "
- "MAC address %02x:%02x:%02x:%02x:%02x:%02x.\n",
+ "MAC address %pM.\n",
dev->name, priv->realirq, dev->base_addr,
dev->mem_start, dev->mem_end - 1,
- dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
- dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+ dev->dev_addr);
printk(KERN_INFO "%s: %s medium\n", dev->name, MediaNames[priv->medium]);
/* reset board */
startslot = slot + 1;
+ rc = register_netdev(dev);
+ if (rc)
+ goto err_out_claimed;
+
+ dev_set_drvdata(kdev, dev);
+ return 0;
+
+err_out_claimed:
+ mca_device_set_claim(mdev, 0);
+ iounmap(priv->base);
+err_out_reg:
+ release_region(iobase, IBM_LANA_IORANGE);
+err_out:
+ free_netdev(dev);
+ return rc;
+}
+
+static int ibmlana_remove_one(struct device *kdev)
+{
+ struct mca_device *mdev = to_mca_device(kdev);
+ struct net_device *dev = dev_get_drvdata(kdev);
+ ibmlana_priv *priv = netdev_priv(dev);
+
+ unregister_netdev(dev);
+ /*DeinitBoard(dev); */
+ release_region(dev->base_addr, IBM_LANA_IORANGE);
+ mca_device_set_claim(mdev, 0);
+ iounmap(priv->base);
+ free_netdev(dev);
return 0;
}
* modularization support
* ------------------------------------------------------------------------ */
-#ifdef MODULE
-
-#define DEVMAX 5
-
-static struct net_device *moddevs[DEVMAX];
-static int irq;
-static int io;
-
-module_param(irq, int, 0);
-module_param(io, int, 0);
+module_param_named(irq, ibmlana_irq, int, 0);
+module_param_named(io, ibmlana_io, int, 0);
MODULE_PARM_DESC(irq, "IBM LAN/A IRQ number");
MODULE_PARM_DESC(io, "IBM LAN/A I/O base address");
MODULE_LICENSE("GPL");
-int init_module(void)
-{
- int z;
+static struct mca_driver ibmlana_driver = {
+ .id_table = ibmlana_adapter_ids,
+ .driver = {
+ .name = "ibmlana",
+ .bus = &mca_bus_type,
+ .probe = ibmlana_init_one,
+ .remove = ibmlana_remove_one,
+ },
+};
- startslot = 0;
- for (z = 0; z < DEVMAX; z++) {
- struct net_device *dev = alloc_etherdev(sizeof(ibmlana_priv));
- if (!dev)
- break;
- dev->irq = irq;
- dev->base_addr = io;
- if (ibmlana_probe(dev)) {
- free_netdev(dev);
- break;
- }
- if (register_netdev(dev)) {
- ibmlana_priv *priv = netdev_priv(dev);
- release_region(dev->base_addr, IBM_LANA_IORANGE);
- mca_mark_as_unused(priv->slot);
- mca_set_adapter_name(priv->slot, "");
- mca_set_adapter_procfn(priv->slot, NULL, NULL);
- iounmap(priv->base);
- free_netdev(dev);
- break;
- }
- moddevs[z] = dev;
- }
- return (z > 0) ? 0 : -EIO;
+static int __init ibmlana_init_module(void)
+{
+ return mca_register_driver(&ibmlana_driver);
}
-void cleanup_module(void)
+static void __exit ibmlana_cleanup_module(void)
{
- int z;
- for (z = 0; z < DEVMAX; z++) {
- struct net_device *dev = moddevs[z];
- if (dev) {
- ibmlana_priv *priv = netdev_priv(dev);
- unregister_netdev(dev);
- /*DeinitBoard(dev); */
- release_region(dev->base_addr, IBM_LANA_IORANGE);
- mca_mark_as_unused(priv->slot);
- mca_set_adapter_name(priv->slot, "");
- mca_set_adapter_procfn(priv->slot, NULL, NULL);
- iounmap(priv->base);
- free_netdev(dev);
- }
- }
+ mca_unregister_driver(&ibmlana_driver);
}
-#endif /* MODULE */
+
+module_init(ibmlana_init_module);
+module_exit(ibmlana_cleanup_module);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff