static struct net_device *
cycx_x25_get_dev_by_dte_addr(struct wan_device *wandev, char *dte);
+static void cycx_x25_chan_setup(struct net_device *dev);
+
#ifdef CYCLOMX_X25_DEBUG
static void hex_dump(char *msg, unsigned char *p, int len);
static void cycx_x25_dump_config(struct cycx_x25_config *conf);
return 0;
}
+/* callback to initialize device */
+static void cycx_x25_chan_setup(struct net_device *dev)
+{
+ dev->init = cycx_netdevice_init;
+}
+
/* Create new logical channel.
* This routine is called by the router when ROUTER_IFNEW IOCTL is being
* handled.
return -EINVAL;
}
- /* allocate and initialize private data */
- chan = kzalloc(sizeof(struct cycx_x25_channel), GFP_KERNEL);
- if (!chan)
+ dev = alloc_netdev(sizeof(struct cycx_x25_channel), conf->name,
+ cycx_x25_chan_setup);
+ if (!dev)
return -ENOMEM;
+ chan = netdev_priv(dev);
strcpy(chan->name, conf->name);
chan->card = card;
chan->link = conf->port;
if (len > WAN_ADDRESS_SZ) {
printk(KERN_ERR "%s: %s local addr too long!\n",
wandev->name, chan->name);
- kfree(chan);
- return -EINVAL;
+ err = -EINVAL;
+ goto error;
} else {
chan->local_addr = kmalloc(len + 1, GFP_KERNEL);
if (!chan->local_addr) {
- kfree(chan);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto error;
}
}
"%s: PVC %u is out of range on interface %s!\n",
wandev->name, lcn, chan->name);
err = -EINVAL;
+ goto error;
}
} else {
printk(KERN_ERR "%s: invalid media address on interface %s!\n",
wandev->name, chan->name);
err = -EINVAL;
+ goto error;
}
- if (err) {
- kfree(chan->local_addr);
- kfree(chan);
- return err;
- }
-
- /* prepare network device data space for registration */
- strcpy(dev->name, chan->name);
- dev->init = cycx_netdevice_init;
- dev->priv = chan;
-
return 0;
+
+error:
+ free_netdev(dev);
+ return err;
}
/* Delete logical channel. */
static int cycx_wan_del_if(struct wan_device *wandev, struct net_device *dev)
{
- if (dev->priv) {
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
- if (chan->svc) {
- kfree(chan->local_addr);
- if (chan->state == WAN_CONNECTED)
- del_timer(&chan->timer);
- }
-
- kfree(chan);
- dev->priv = NULL;
+ if (chan->svc) {
+ kfree(chan->local_addr);
+ if (chan->state == WAN_CONNECTED)
+ del_timer(&chan->timer);
}
return 0;
* registration. */
static int cycx_netdevice_init(struct net_device *dev)
{
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
struct cycx_device *card = chan->card;
struct wan_device *wandev = &card->wandev;
* o if there's no more open channels then disconnect physical link. */
static int cycx_netdevice_stop(struct net_device *dev)
{
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
netif_stop_queue(dev);
static int cycx_netdevice_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
struct cycx_device *card = chan->card;
if (!chan->svc)
* Return a pointer to struct net_device_stats */
static struct net_device_stats *cycx_netdevice_get_stats(struct net_device *dev)
{
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
return chan ? &chan->ifstats : NULL;
}
return;
}
- chan = dev->priv;
+ chan = netdev_priv(dev);
reset_timer(dev);
if (chan->drop_sequence) {
return;
}
- chan = dev->priv;
+ chan = netdev_priv(dev);
chan->lcn = lcn;
cycx_x25_connect_response(card, chan);
cycx_x25_set_chan_state(dev, WAN_CONNECTED);
}
clear_bit(--key, (void*)&card->u.x.connection_keys);
- chan = dev->priv;
+ chan = netdev_priv(dev);
chan->lcn = lcn;
cycx_x25_set_chan_state(dev, WAN_CONNECTED);
}
dev = cycx_x25_get_dev_by_lcn(wandev, lcn);
if (dev) {
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
cycx_x25_disconnect_response(card, chan->link, lcn);
cycx_x25_set_chan_state(dev, WAN_DISCONNECTED);
struct cycx_x25_channel *chan;
while (dev) {
- chan = (struct cycx_x25_channel*)dev->priv;
+ chan = netdev_priv(dev);
if (chan->lcn == lcn)
break;
struct cycx_x25_channel *chan;
while (dev) {
- chan = (struct cycx_x25_channel*)dev->priv;
+ chan = netdev_priv(dev);
if (!strcmp(chan->addr, dte))
break;
* <0 failure */
static int cycx_x25_chan_connect(struct net_device *dev)
{
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
struct cycx_device *card = chan->card;
if (chan->svc) {
* o if SVC then clear X.25 call */
static void cycx_x25_chan_disconnect(struct net_device *dev)
{
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
if (chan->svc) {
x25_clear_call(chan->card, chan->link, chan->lcn, 0, 0);
static void cycx_x25_chan_timer(unsigned long d)
{
struct net_device *dev = (struct net_device *)d;
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
if (chan->state == WAN_CONNECTED)
cycx_x25_chan_disconnect(dev);
/* Set logical channel state. */
static void cycx_x25_set_chan_state(struct net_device *dev, u8 state)
{
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
struct cycx_device *card = chan->card;
unsigned long flags;
char *string_state = NULL;
* to the router. */
static int cycx_x25_chan_send(struct net_device *dev, struct sk_buff *skb)
{
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
struct cycx_device *card = chan->card;
int bitm = 0; /* final packet */
unsigned len = skb->len;
static void reset_timer(struct net_device *dev)
{
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
if (chan->svc)
mod_timer(&chan->timer, jiffies+chan->idle_tmout*HZ);
printk(KERN_INFO "---------------------------------------\n");
while(dev) {
- struct cycx_x25_channel *chan = dev->priv;
+ struct cycx_x25_channel *chan = netdev_priv(dev);
printk(KERN_INFO "%-5.5s %-15.15s %d ETH_P_%s\n",
chan->name, chan->addr, netif_queue_stopped(dev),