static int hdlc_xmit(struct sk_buff *skb, struct net_device *dev)
{
hdlc_device *hdlc = dev_to_hdlc(dev);
#ifdef CONFIG_HDLC_X25
if (mode_is(hdlc, MODE_X25 | MODE_SOFT)) {
int result;
/* X.25 to LAPB */
switch (skb->data[0]) {
case 0: /* Data to be transmitted */
skb_pull(skb, 1);
if ((result = lapb_data_request(hdlc, skb)) != LAPB_OK)
dev_kfree_skb(skb);
return 0;
case 1:
if ((result = lapb_connect_request(hdlc))!= LAPB_OK) {
if (result == LAPB_CONNECTED) {
/* Send connect confirm. msg to level 3 */
x25_connected(hdlc, 0);
} else {
printk(KERN_ERR "%s: LAPB connect "
"request failed, error code = "
"%i\n", hdlc_to_name(hdlc),
result);
}
}
break;
case 2:
if ((result=lapb_disconnect_request(hdlc))!=LAPB_OK) {
if (result == LAPB_NOTCONNECTED) {
/* Send disconnect confirm. msg to level 3 */
x25_disconnected(hdlc, 0);
} else {
printk(KERN_ERR "%s: LAPB disconnect "
"request failed, error code = "
"%i\n", hdlc_to_name(hdlc),
result);
}
}
break;
default:
/* to be defined */
break;
}
dev_kfree_skb(skb);
return 0;
} /* MODE_X25 */
#endif /* CONFIG_HDLC_X25 */
return hdlc->xmit(hdlc, skb);
}
static netdev_tx_t x25_xmit(struct sk_buff *skb, struct net_device *dev)
{
int result;
/* X.25 to LAPB */
switch (skb->data[0]) {
case X25_IFACE_DATA: /* Data to be transmitted */
skb_pull(skb, 1);
if ((result = lapb_data_request(dev, skb)) != LAPB_OK)
dev_kfree_skb(skb);
return NETDEV_TX_OK;
case X25_IFACE_CONNECT:
if ((result = lapb_connect_request(dev))!= LAPB_OK) {
if (result == LAPB_CONNECTED)
/* Send connect confirm. msg to level 3 */
x25_connected(dev, 0);
else
printk(KERN_ERR "%s: LAPB connect request "
"failed, error code = %i\n",
dev->name, result);
}
break;
case X25_IFACE_DISCONNECT:
if ((result = lapb_disconnect_request(dev)) != LAPB_OK) {
if (result == LAPB_NOTCONNECTED)
/* Send disconnect confirm. msg to level 3 */
x25_disconnected(dev, 0);
else
printk(KERN_ERR "%s: LAPB disconnect request "
"failed, error code = %i\n",
dev->name, result);
}
break;
default: /* to be defined */
break;
}
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
