static void __devexit fnic_remove(struct pci_dev *pdev)
{
struct fnic *fnic = pci_get_drvdata(pdev);
unsigned long flags;
spin_lock_irqsave(&fnic->fnic_lock, flags);
fnic->stop_rx_link_events = 1;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
del_timer_sync(&fnic->notify_timer);
flush_workqueue(fnic_event_queue);
skb_queue_purge(&fnic->frame_queue);
fc_fabric_logoff(fnic->lport);
spin_lock_irqsave(&fnic->fnic_lock, flags);
fnic->in_remove = 1;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
fc_lport_destroy(fnic->lport);
fnic_cleanup(fnic);
BUG_ON(!skb_queue_empty(&fnic->frame_queue));
spin_lock_irqsave(&fnic_list_lock, flags);
list_del(&fnic->list);
spin_unlock_irqrestore(&fnic_list_lock, flags);
fc_remove_host(fnic->lport->host);
scsi_remove_host(fnic->lport->host);
fc_exch_mgr_free(fnic->lport);
vnic_dev_notify_unset(fnic->vdev);
fnic_free_vnic_resources(fnic);
fnic_free_intr(fnic);
fnic_clear_intr_mode(fnic);
vnic_dev_close(fnic->vdev);
vnic_dev_unregister(fnic->vdev);
fnic_iounmap(fnic);
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
scsi_host_put(fnic->lport->host);
}
static void fnic_remove(struct pci_dev *pdev)
{
struct fnic *fnic = pci_get_drvdata(pdev);
struct fc_lport *lp = fnic->lport;
unsigned long flags;
/*
* Mark state so that the workqueue thread stops forwarding
* received frames and link events to the local port. ISR and
* other threads that can queue work items will also stop
* creating work items on the fnic workqueue
*/
spin_lock_irqsave(&fnic->fnic_lock, flags);
fnic->stop_rx_link_events = 1;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
del_timer_sync(&fnic->notify_timer);
/*
* Flush the fnic event queue. After this call, there should
* be no event queued for this fnic device in the workqueue
*/
flush_workqueue(fnic_event_queue);
skb_queue_purge(&fnic->frame_queue);
skb_queue_purge(&fnic->tx_queue);
if (fnic->config.flags & VFCF_FIP_CAPABLE) {
del_timer_sync(&fnic->fip_timer);
skb_queue_purge(&fnic->fip_frame_queue);
fnic_fcoe_reset_vlans(fnic);
fnic_fcoe_evlist_free(fnic);
}
/*
* Log off the fabric. This stops all remote ports, dns port,
* logs off the fabric. This flushes all rport, disc, lport work
* before returning
*/
fc_fabric_logoff(fnic->lport);
spin_lock_irqsave(&fnic->fnic_lock, flags);
fnic->in_remove = 1;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
fcoe_ctlr_destroy(&fnic->ctlr);
fc_lport_destroy(lp);
fnic_stats_debugfs_remove(fnic);
/*
* This stops the fnic device, masks all interrupts. Completed
* CQ entries are drained. Posted WQ/RQ/Copy-WQ entries are
* cleaned up
*/
fnic_cleanup(fnic);
BUG_ON(!skb_queue_empty(&fnic->frame_queue));
BUG_ON(!skb_queue_empty(&fnic->tx_queue));
spin_lock_irqsave(&fnic_list_lock, flags);
list_del(&fnic->list);
spin_unlock_irqrestore(&fnic_list_lock, flags);
fc_remove_host(fnic->lport->host);
scsi_remove_host(fnic->lport->host);
fc_exch_mgr_free(fnic->lport);
vnic_dev_notify_unset(fnic->vdev);
fnic_free_intr(fnic);
fnic_free_vnic_resources(fnic);
fnic_clear_intr_mode(fnic);
vnic_dev_close(fnic->vdev);
vnic_dev_unregister(fnic->vdev);
fnic_iounmap(fnic);
pci_release_regions(pdev);
pci_disable_device(pdev);
scsi_host_put(lp->host);
}
/*
* 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;
}
