int br_add_if(struct net_bridge *br, struct net_device *dev)
{
struct net_bridge_port *p;
if (dev->br_port != NULL)
return -EBUSY;
if (dev->flags & IFF_LOOPBACK || dev->type != ARPHRD_ETHER)
return -EINVAL;
dev_hold(dev);
write_lock_bh(&br->lock);
if ((p = new_nbp(br, dev)) == NULL) {
write_unlock_bh(&br->lock);
dev_put(dev);
return -EXFULL;
}
dev_set_promiscuity(dev, 1);
br_stp_recalculate_bridge_id(br);
br_fdb_insert(br, p, dev->dev_addr, 1);
if ((br->dev.flags & IFF_UP) && (dev->flags & IFF_UP))
br_stp_enable_port(p);
write_unlock_bh(&br->lock);
return 0;
}
int br_add_if(struct net_bridge *br, struct net_device *dev)
{
struct net_bridge_port *p;
if (dev->br_port != NULL)
return -EBUSY;
#if 0
if (dev->flags & IFF_LOOPBACK || dev->type != ARPHRD_ETHER)
return -EINVAL;
#endif
if (dev->hard_start_xmit == br_dev_xmit)
return -ELOOP;
if (!is_valid_ether_addr(dev->dev_addr))
return -EADDRNOTAVAIL;
dev_hold(dev);
write_lock_bh(&br->lock);
if ((p = new_nbp(br, dev)) == NULL) {
write_unlock_bh(&br->lock);
dev_put(dev);
return -EXFULL;
}
dev_set_promiscuity(dev, 1);
br_stp_recalculate_bridge_id(br);
br_fdb_insert(br, p, dev->dev_addr, 1);
if ((br->dev.flags & IFF_UP) && (dev->flags & IFF_UP))
br_stp_enable_port(p);
write_unlock_bh(&br->lock);
return 0;
}