27 	struct xenvif *vif;  member
46 static void xen_unregister_watchers(struct xenvif *vif);
119 	dev_queue = netdev_get_tx_queue(queue->vif->dev, queue->id);  in xenvif_read_io_ring()
188 static void xenvif_debugfs_addif(struct xenvif *vif)  in xenvif_debugfs_addif()  argument
196 	vif->xenvif_dbg_root = debugfs_create_dir(vif->dev->name,  in xenvif_debugfs_addif()
198 	if (!IS_ERR_OR_NULL(vif->xenvif_dbg_root)) {  in xenvif_debugfs_addif()
199 		for (i = 0; i < vif->num_queues; ++i) {  in xenvif_debugfs_addif()
205 						    vif->xenvif_dbg_root,  in xenvif_debugfs_addif()
206 						    &vif->queues[i],  in xenvif_debugfs_addif()
213 		netdev_warn(vif->dev,  in xenvif_debugfs_addif()
215 			    PTR_ERR(vif->xenvif_dbg_root));  in xenvif_debugfs_addif()
218 static void xenvif_debugfs_delif(struct xenvif *vif)  in xenvif_debugfs_delif()  argument
223 	if (!IS_ERR_OR_NULL(vif->xenvif_dbg_root))  in xenvif_debugfs_delif()
224 		debugfs_remove_recursive(vif->xenvif_dbg_root);  in xenvif_debugfs_delif()
225 	vif->xenvif_dbg_root = NULL;  in xenvif_debugfs_delif()
236 	if (be->vif) {  in netback_remove()
238 		xen_unregister_watchers(be->vif);  in netback_remove()
240 		xenvif_free(be->vif);  in netback_remove()
241 		be->vif = NULL;  in netback_remove()
402 	if (!be->vif)  in netback_uevent()
405 	return add_uevent_var(env, "vif=%s", be->vif->dev->name);  in netback_uevent()
414 	struct xenvif *vif;  in backend_create_xenvif()  local
416 	if (be->vif != NULL)  in backend_create_xenvif()
425 	vif = xenvif_alloc(&dev->dev, dev->otherend_id, handle);  in backend_create_xenvif()
426 	if (IS_ERR(vif)) {  in backend_create_xenvif()
427 		err = PTR_ERR(vif);  in backend_create_xenvif()
431 	be->vif = vif;  in backend_create_xenvif()
439 	if (be->vif) {  in backend_disconnect()
440 		xen_unregister_watchers(be->vif);  in backend_disconnect()
442 		xenvif_debugfs_delif(be->vif);  in backend_disconnect()
444 		xenvif_disconnect(be->vif);  in backend_disconnect()
450 	if (be->vif)  in backend_connect()
659 	struct xenvif *vif = container_of(watch, struct xenvif, credit_watch);  in xen_net_rate_changed()  local
660 	struct xenbus_device *dev = xenvif_to_xenbus_device(vif);  in xen_net_rate_changed()
666 	for (queue_index = 0; queue_index < vif->num_queues; queue_index++) {  in xen_net_rate_changed()
667 		struct xenvif_queue *queue = &vif->queues[queue_index];  in xen_net_rate_changed()
678 static int xen_register_watchers(struct xenbus_device *dev, struct xenvif *vif)  in xen_register_watchers()  argument
684 	if (vif->credit_watch.node)  in xen_register_watchers()
691 	vif->credit_watch.node = node;  in xen_register_watchers()
692 	vif->credit_watch.callback = xen_net_rate_changed;  in xen_register_watchers()
693 	err = register_xenbus_watch(&vif->credit_watch);  in xen_register_watchers()
695 		pr_err("Failed to set watcher %s\n", vif->credit_watch.node);  in xen_register_watchers()
697 		vif->credit_watch.node = NULL;  in xen_register_watchers()
698 		vif->credit_watch.callback = NULL;  in xen_register_watchers()
703 static void xen_unregister_watchers(struct xenvif *vif)  in xen_unregister_watchers()  argument
705 	if (vif->credit_watch.node) {  in xen_unregister_watchers()
706 		unregister_xenbus_watch(&vif->credit_watch);  in xen_unregister_watchers()
707 		kfree(vif->credit_watch.node);  in xen_unregister_watchers()
708 		vif->credit_watch.node = NULL;  in xen_unregister_watchers()
769 	err = xen_net_read_mac(dev, be->vif->fe_dev_addr);  in connect()
776 	xen_unregister_watchers(be->vif);  in connect()
777 	xen_register_watchers(dev, be->vif);  in connect()
781 	be->vif->queues = vzalloc(requested_num_queues *  in connect()
783 	be->vif->num_queues = requested_num_queues;  in connect()
784 	be->vif->stalled_queues = requested_num_queues;  in connect()
787 		queue = &be->vif->queues[queue_index];  in connect()
788 		queue->vif = be->vif;  in connect()
791 				be->vif->dev->name, queue->id);  in connect()
801 			be->vif->num_queues = queue_index;  in connect()
816 			be->vif->num_queues = queue_index;  in connect()
822 	xenvif_debugfs_addif(be->vif);  in connect()
829 	netif_set_real_num_tx_queues(be->vif->dev, requested_num_queues);  in connect()
830 	netif_set_real_num_rx_queues(be->vif->dev, requested_num_queues);  in connect()
833 	xenvif_carrier_on(be->vif);  in connect()
842 	netif_tx_wake_all_queues(be->vif->dev);  in connect()
847 	if (be->vif->num_queues > 0)  in connect()
848 		xenvif_disconnect(be->vif); /* Clean up existing queues */  in connect()
849 	vfree(be->vif->queues);  in connect()
850 	be->vif->queues = NULL;  in connect()
851 	be->vif->num_queues = 0;  in connect()
859 	unsigned int num_queues = queue->vif->num_queues;  in connect_rings()
938 	struct xenvif *vif = be->vif;  in read_xenbus_vif_flags()  local
965 		be->vif->drain_timeout = msecs_to_jiffies(30);  in read_xenbus_vif_flags()
966 		be->vif->stall_timeout = 0;  in read_xenbus_vif_flags()
972 	vif->can_sg = !!val;  in read_xenbus_vif_flags()
974 	vif->gso_mask = 0;  in read_xenbus_vif_flags()
975 	vif->gso_prefix_mask = 0;  in read_xenbus_vif_flags()
981 		vif->gso_mask |= GSO_BIT(TCPV4);  in read_xenbus_vif_flags()
987 		vif->gso_prefix_mask |= GSO_BIT(TCPV4);  in read_xenbus_vif_flags()
993 		vif->gso_mask |= GSO_BIT(TCPV6);  in read_xenbus_vif_flags()
999 		vif->gso_prefix_mask |= GSO_BIT(TCPV6);  in read_xenbus_vif_flags()
1001 	if (vif->gso_mask & vif->gso_prefix_mask) {  in read_xenbus_vif_flags()
1012 	vif->ip_csum = !val;  in read_xenbus_vif_flags()
1017 	vif->ipv6_csum = !!val;  in read_xenbus_vif_flags()