static int pvc_close(struct device *dev)
{
pvc_device *pvc=dev_to_pvc(dev);
pvc->state=0;
if (!mode_is(pvc->master, MODE_SOFT) && pvc->master->close_pvc)
pvc->master->close_pvc(pvc);
pvc->master->lmi.state |= LINK_STATE_CHANGED;
return 0;
}
static int pvc_xmit(struct sk_buff *skb, struct device *dev)
{
pvc_device *pvc=dev_to_pvc(dev);
if (pvc->state & PVC_STATE_ACTIVE) {
skb->dev = hdlc_to_dev(pvc->master);
pvc->stats.tx_bytes+=skb->len;
pvc->stats.tx_packets++;
dev_queue_xmit(skb);
} else {
pvc->stats.tx_dropped++;
dev_kfree_skb(skb);
}
return 0;
}
static int pvc_xmit(struct sk_buff *skb, struct net_device *dev)
{
pvc_device *pvc = dev_to_pvc(dev);
if (pvc->state & PVC_STATE_ACTIVE) {
skb->dev = hdlc_to_dev(pvc->master);
pvc->stats.tx_bytes += skb->len;
pvc->stats.tx_packets++;
if (pvc->state & PVC_STATE_FECN)
pvc->stats.tx_compressed++; /* TX Congestion counter */
dev_queue_xmit(skb);
} else {
pvc->stats.tx_dropped++;
dev_kfree_skb(skb);
}
return 0;
}
static int pvc_open(struct device *dev)
{
pvc_device *pvc=dev_to_pvc(dev);
int result=0;
if ((hdlc_to_dev(pvc->master)->flags & IFF_UP) == 0)
return -EIO; /* Master must be UP in order to activate PVC */
memset(&(pvc->stats), 0, sizeof(struct net_device_stats));
pvc->state=0;
if (!mode_is(pvc->master, MODE_SOFT) && pvc->master->open_pvc)
result=pvc->master->open_pvc(pvc);
if (result)
return result;
pvc->master->lmi.state |= LINK_STATE_CHANGED;
return 0;
}
static struct net_device_stats *pvc_get_stats(struct device *dev)
{
pvc_device *pvc=dev_to_pvc(dev);
return &pvc->stats;
}
