74 	struct mctp_i3c_bus *mbus;  member
103 	struct net_device_stats *stats = &mi->mbus->ndev->stats;  in mctp_i3c_read()
110 	skb = netdev_alloc_skb(mi->mbus->ndev,  in mctp_i3c_read()
123 	put_unaligned_be48(mi->mbus->pid, ihdr->dest);  in mctp_i3c_read()
251 static int mctp_i3c_add_device(struct mctp_i3c_bus *mbus,  in mctp_i3c_add_device()  argument
263 	mi->mbus = mbus;  in mctp_i3c_add_device()
266 	list_add(&mi->list, &mbus->devs);  in mctp_i3c_add_device()
286 	struct mctp_i3c_bus *b = NULL, *mbus = NULL;  in mctp_i3c_probe()  local
292 			mbus = b;  in mctp_i3c_probe()
297 	if (!mbus) {  in mctp_i3c_probe()
302 	return mctp_i3c_add_device(mbus, i3c);  in mctp_i3c_probe()
341 mctp_i3c_lookup(struct mctp_i3c_bus *mbus, u64 pid)  in mctp_i3c_lookup()  argument
346 	list_for_each_entry(mi, &mbus->devs, list)  in mctp_i3c_lookup()
356 static void mctp_i3c_xmit(struct mctp_i3c_bus *mbus, struct sk_buff *skb)  in mctp_i3c_xmit()  argument
358 	struct net_device_stats *stats = &mbus->ndev->stats;  in mctp_i3c_xmit()
374 	mi = mctp_i3c_lookup(mbus, pid);  in mctp_i3c_xmit()
397 		skb_copy_bits(skb, 0, mbus->tx_scratch, skb->len);  in mctp_i3c_xmit()
398 		data = mbus->tx_scratch;  in mctp_i3c_xmit()
423 	struct mctp_i3c_bus *mbus = data;  in mctp_i3c_tx_thread()  local
430 		spin_lock_bh(&mbus->tx_lock);  in mctp_i3c_tx_thread()
431 		skb = mbus->tx_skb;  in mctp_i3c_tx_thread()
432 		mbus->tx_skb = NULL;  in mctp_i3c_tx_thread()
433 		spin_unlock_bh(&mbus->tx_lock);  in mctp_i3c_tx_thread()
435 		if (netif_queue_stopped(mbus->ndev))  in mctp_i3c_tx_thread()
436 			netif_wake_queue(mbus->ndev);  in mctp_i3c_tx_thread()
439 			mctp_i3c_xmit(mbus, skb);  in mctp_i3c_tx_thread()
442 			wait_event_idle(mbus->tx_wq,  in mctp_i3c_tx_thread()
443 					mbus->tx_skb || kthread_should_stop());  in mctp_i3c_tx_thread()
453 	struct mctp_i3c_bus *mbus = netdev_priv(ndev);  in mctp_i3c_start_xmit()  local
456 	spin_lock(&mbus->tx_lock);  in mctp_i3c_start_xmit()
458 	if (mbus->tx_skb) {  in mctp_i3c_start_xmit()
462 		mbus->tx_skb = skb;  in mctp_i3c_start_xmit()
465 	spin_unlock(&mbus->tx_lock);  in mctp_i3c_start_xmit()
468 		wake_up(&mbus->tx_wq);  in mctp_i3c_start_xmit()
473 static void mctp_i3c_bus_free(struct mctp_i3c_bus *mbus)  in mctp_i3c_bus_free()  argument
478 	if (mbus->tx_thread) {  in mctp_i3c_bus_free()
479 		kthread_stop(mbus->tx_thread);  in mctp_i3c_bus_free()
480 		mbus->tx_thread = NULL;  in mctp_i3c_bus_free()
484 	list_for_each_entry_safe(mi, tmp, &mbus->devs, list) {  in mctp_i3c_bus_free()
488 	kfree_skb(mbus->tx_skb);  in mctp_i3c_bus_free()
489 	list_del(&mbus->list);  in mctp_i3c_bus_free()
494 	struct mctp_i3c_bus *mbus = netdev_priv(ndev);  in mctp_i3c_ndo_uninit()  local
497 	mctp_i3c_bus_free(mbus);  in mctp_i3c_ndo_uninit()
567 	struct mctp_i3c_bus *mbus = NULL;  in mctp_i3c_bus_add()  local
577 	ndev = alloc_netdev(sizeof(*mbus), namebuf, NET_NAME_ENUM,  in mctp_i3c_bus_add()
584 	mbus = netdev_priv(ndev);  in mctp_i3c_bus_add()
585 	mbus->ndev = ndev;  in mctp_i3c_bus_add()
586 	mbus->bus = bus;  in mctp_i3c_bus_add()
587 	INIT_LIST_HEAD(&mbus->devs);  in mctp_i3c_bus_add()
588 	list_add(&mbus->list, &busdevs);  in mctp_i3c_bus_add()
590 	rc = mctp_i3c_bus_local_pid(bus, &mbus->pid);  in mctp_i3c_bus_add()
595 	put_unaligned_be48(mbus->pid, addr);  in mctp_i3c_bus_add()
598 	init_waitqueue_head(&mbus->tx_wq);  in mctp_i3c_bus_add()
599 	spin_lock_init(&mbus->tx_lock);  in mctp_i3c_bus_add()
600 	mbus->tx_thread = kthread_run(mctp_i3c_tx_thread, mbus,  in mctp_i3c_bus_add()
602 	if (IS_ERR(mbus->tx_thread)) {  in mctp_i3c_bus_add()
604 			 mbus->tx_thread);  in mctp_i3c_bus_add()
605 		rc = PTR_ERR(mbus->tx_thread);  in mctp_i3c_bus_add()
606 		mbus->tx_thread = NULL;  in mctp_i3c_bus_add()
615 	return mbus;  in mctp_i3c_bus_add()
619 	 * so we perform the same mbus cleanup manually.  in mctp_i3c_bus_add()
621 	mctp_i3c_bus_free(mbus);  in mctp_i3c_bus_add()
630 static void mctp_i3c_bus_remove(struct mctp_i3c_bus *mbus)  in mctp_i3c_bus_remove()  argument
634 	mctp_unregister_netdev(mbus->ndev);  in mctp_i3c_bus_remove()
636 	free_netdev(mbus->ndev);  in mctp_i3c_bus_remove()
637 	/* mbus is deallocated */  in mctp_i3c_bus_remove()
643 	struct mctp_i3c_bus *mbus = NULL, *tmp = NULL;  in mctp_i3c_bus_remove_all()  local
646 	list_for_each_entry_safe(mbus, tmp, &busdevs, list) {  in mctp_i3c_bus_remove_all()
647 		mctp_i3c_bus_remove(mbus);  in mctp_i3c_bus_remove_all()
657 	struct mctp_i3c_bus *mbus = NULL, *tmp = NULL;  in mctp_i3c_bus_add_new()  local
661 	list_for_each_entry_safe(mbus, tmp, &busdevs, list)  in mctp_i3c_bus_add_new()
662 		if (mbus->bus == bus)  in mctp_i3c_bus_add_new()
676 	struct mctp_i3c_bus *mbus = NULL, *tmp;  in mctp_i3c_notify_bus_remove()  local
679 	list_for_each_entry_safe(mbus, tmp, &busdevs, list)  in mctp_i3c_notify_bus_remove()
680 		if (mbus->bus == bus)  in mctp_i3c_notify_bus_remove()
681 			mctp_i3c_bus_remove(mbus);  in mctp_i3c_notify_bus_remove()