@@ -2930,6 +2931,27 @@ static struct nvme_ctrl *nvme_tcp_create_ctrl(struct
device *dev,
return ERR_PTR(ret);
}
+static int nvme_tcp_netdev_event(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+ struct net_device *ndev = netdev_notifier_info_to_dev(ptr);
+ struct nvme_tcp_ctrl *ctrl;
+
+ switch (event) {
+ case NETDEV_GOING_DOWN:
+ mutex_lock(&nvme_tcp_ctrl_mutex);
+ list_for_each_entry(ctrl, &nvme_tcp_ctrl_list, list) {
+ if (ndev != ctrl->offloading_netdev)
+ continue;
+ nvme_tcp_error_recovery(&ctrl->ctrl);
+ }
+ mutex_unlock(&nvme_tcp_ctrl_mutex);
+ flush_workqueue(nvme_reset_wq);
+ /* we assume that the going down part of error recovery is over
*/
Maybe phrase it as:
/*
* The associated controllers teardown has completed, ddp contexts
* were also torn down so we should be safe to continue...
*/