static int vlan_dev_set_mac_address(struct net_device *dev, void *p)
{
struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
struct sockaddr *addr = p;
int err;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
if (!(dev->flags & IFF_UP))
goto out;
if (compare_ether_addr(addr->sa_data, real_dev->dev_addr)) {
err = dev_unicast_add(real_dev, addr->sa_data, ETH_ALEN);
if (err < 0)
return err;
}
if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
dev_unicast_delete(real_dev, dev->dev_addr, ETH_ALEN);
out:
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
return 0;
}
int vlan_dev_stop(struct net_device *dev)
{
struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;
dev_mc_unsync(real_dev, dev);
if (dev->flags & IFF_ALLMULTI)
dev_set_allmulti(real_dev, -1);
if (dev->flags & IFF_PROMISC)
dev_set_promiscuity(real_dev, -1);
if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
dev_unicast_delete(real_dev, dev->dev_addr, dev->addr_len);
return 0;
}
static int vlan_dev_open(struct net_device *dev)
{
struct vlan_dev_info *vlan = vlan_dev_info(dev);
struct net_device *real_dev = vlan->real_dev;
int err;
if (!(real_dev->flags & IFF_UP) &&
!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
return -ENETDOWN;
if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) {
err = dev_unicast_add(real_dev, dev->dev_addr);
if (err < 0)
goto out;
}
if (dev->flags & IFF_ALLMULTI) {
err = dev_set_allmulti(real_dev, 1);
if (err < 0)
goto del_unicast;
}
if (dev->flags & IFF_PROMISC) {
err = dev_set_promiscuity(real_dev, 1);
if (err < 0)
goto clear_allmulti;
}
memcpy(vlan->real_dev_addr, real_dev->dev_addr, ETH_ALEN);
if (vlan->flags & VLAN_FLAG_GVRP)
vlan_gvrp_request_join(dev);
netif_carrier_on(dev);
return 0;
clear_allmulti:
if (dev->flags & IFF_ALLMULTI)
dev_set_allmulti(real_dev, -1);
del_unicast:
if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
dev_unicast_delete(real_dev, dev->dev_addr);
out:
netif_carrier_off(dev);
return err;
}
static int vlan_dev_stop(struct net_device *dev)
{
struct vlan_dev_info *vlan = vlan_dev_info(dev);
struct net_device *real_dev = vlan->real_dev;
if (vlan->flags & VLAN_FLAG_GVRP)
vlan_gvrp_request_leave(dev);
dev_mc_unsync(real_dev, dev);
dev_unicast_unsync(real_dev, dev);
if (dev->flags & IFF_ALLMULTI)
dev_set_allmulti(real_dev, -1);
if (dev->flags & IFF_PROMISC)
dev_set_promiscuity(real_dev, -1);
if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
dev_unicast_delete(real_dev, dev->dev_addr, dev->addr_len);
return 0;
}
/*
* fcoe_sw_destroy - FCoE software HBA tear-down function
* @netdev: ptr to the associated net_device
*
* Returns: 0 if link is OK for use by FCoE.
*/
static int fcoe_sw_destroy(struct net_device *netdev)
{
int cpu;
struct fc_lport *lp = NULL;
struct fcoe_softc *fc;
u8 flogi_maddr[ETH_ALEN];
BUG_ON(!netdev);
printk(KERN_DEBUG "fcoe_sw_destroy:interface on %s\n",
netdev->name);
lp = fcoe_hostlist_lookup(netdev);
if (!lp)
return -ENODEV;
fc = fcoe_softc(lp);
/* Logout of the fabric */
fc_fabric_logoff(lp);
/* Remove the instance from fcoe's list */
fcoe_hostlist_remove(lp);
/* Don't listen for Ethernet packets anymore */
dev_remove_pack(&fc->fcoe_packet_type);
/* Cleanup the fc_lport */
fc_lport_destroy(lp);
fc_fcp_destroy(lp);
/* Detach from the scsi-ml */
fc_remove_host(lp->host);
scsi_remove_host(lp->host);
/* There are no more rports or I/O, free the EM */
if (lp->emp)
fc_exch_mgr_free(lp->emp);
/* Delete secondary MAC addresses */
rtnl_lock();
memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN);
dev_unicast_delete(fc->real_dev, flogi_maddr, ETH_ALEN);
if (compare_ether_addr(fc->data_src_addr, (u8[6]) { 0 }))
dev_unicast_delete(fc->real_dev, fc->data_src_addr, ETH_ALEN);
rtnl_unlock();
/* Free the per-CPU revieve threads */
fcoe_percpu_clean(lp);
/* Free existing skbs */
fcoe_clean_pending_queue(lp);
/* Free memory used by statistical counters */
for_each_online_cpu(cpu)
kfree(lp->dev_stats[cpu]);
/* Release the net_device and Scsi_Host */
dev_put(fc->real_dev);
scsi_host_put(lp->host);
return 0;
}
