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()
255 static int mctp_i3c_add_device(struct mctp_i3c_bus *mbus,  in mctp_i3c_add_device()  argument
267 	mi->mbus = mbus;  in mctp_i3c_add_device()
270 	list_add(&mi->list, &mbus->devs);  in mctp_i3c_add_device()
290 	struct mctp_i3c_bus *b = NULL, *mbus = NULL;  in mctp_i3c_probe()  local
296 			mbus = b;  in mctp_i3c_probe()
301 	if (!mbus) {  in mctp_i3c_probe()
306 	return mctp_i3c_add_device(mbus, i3c);  in mctp_i3c_probe()
345 mctp_i3c_lookup(struct mctp_i3c_bus *mbus, u64 pid)  in mctp_i3c_lookup()  argument
350 	list_for_each_entry(mi, &mbus->devs, list)  in mctp_i3c_lookup()
360 static void mctp_i3c_xmit(struct mctp_i3c_bus *mbus, struct sk_buff *skb)  in mctp_i3c_xmit()  argument
362 	struct net_device_stats *stats = &mbus->ndev->stats;  in mctp_i3c_xmit()
378 	mi = mctp_i3c_lookup(mbus, pid);  in mctp_i3c_xmit()
401 		skb_copy_bits(skb, 0, mbus->tx_scratch, skb->len);  in mctp_i3c_xmit()
402 		data = mbus->tx_scratch;  in mctp_i3c_xmit()
427 	struct mctp_i3c_bus *mbus = data;  in mctp_i3c_tx_thread()  local
434 		spin_lock_bh(&mbus->tx_lock);  in mctp_i3c_tx_thread()
435 		skb = mbus->tx_skb;  in mctp_i3c_tx_thread()
436 		mbus->tx_skb = NULL;  in mctp_i3c_tx_thread()
437 		spin_unlock_bh(&mbus->tx_lock);  in mctp_i3c_tx_thread()
439 		if (netif_queue_stopped(mbus->ndev))  in mctp_i3c_tx_thread()
440 			netif_wake_queue(mbus->ndev);  in mctp_i3c_tx_thread()
443 			mctp_i3c_xmit(mbus, skb);  in mctp_i3c_tx_thread()
446 			wait_event_idle(mbus->tx_wq,  in mctp_i3c_tx_thread()
447 					mbus->tx_skb || kthread_should_stop());  in mctp_i3c_tx_thread()
457 	struct mctp_i3c_bus *mbus = netdev_priv(ndev);  in mctp_i3c_start_xmit()  local
460 	spin_lock(&mbus->tx_lock);  in mctp_i3c_start_xmit()
462 	if (mbus->tx_skb) {  in mctp_i3c_start_xmit()
466 		mbus->tx_skb = skb;  in mctp_i3c_start_xmit()
469 	spin_unlock(&mbus->tx_lock);  in mctp_i3c_start_xmit()
472 		wake_up(&mbus->tx_wq);  in mctp_i3c_start_xmit()
477 static void mctp_i3c_bus_free(struct mctp_i3c_bus *mbus)  in mctp_i3c_bus_free()  argument
482 	if (mbus->tx_thread) {  in mctp_i3c_bus_free()
483 		kthread_stop(mbus->tx_thread);  in mctp_i3c_bus_free()
484 		mbus->tx_thread = NULL;  in mctp_i3c_bus_free()
488 	list_for_each_entry_safe(mi, tmp, &mbus->devs, list) {  in mctp_i3c_bus_free()
492 	kfree_skb(mbus->tx_skb);  in mctp_i3c_bus_free()
493 	list_del(&mbus->list);  in mctp_i3c_bus_free()
498 	struct mctp_i3c_bus *mbus = netdev_priv(ndev);  in mctp_i3c_ndo_uninit()  local
501 	mctp_i3c_bus_free(mbus);  in mctp_i3c_ndo_uninit()
579 	struct mctp_i3c_bus *mbus = NULL;  in mctp_i3c_bus_add()  local
589 	ndev = alloc_netdev(sizeof(*mbus), namebuf, NET_NAME_ENUM,  in mctp_i3c_bus_add()
596 	mbus = netdev_priv(ndev);  in mctp_i3c_bus_add()
597 	mbus->ndev = ndev;  in mctp_i3c_bus_add()
598 	mbus->bus = bus;  in mctp_i3c_bus_add()
599 	INIT_LIST_HEAD(&mbus->devs);  in mctp_i3c_bus_add()
600 	list_add(&mbus->list, &busdevs);  in mctp_i3c_bus_add()
602 	rc = mctp_i3c_bus_local_pid(bus, &mbus->pid);  in mctp_i3c_bus_add()
607 	put_unaligned_be48(mbus->pid, addr);  in mctp_i3c_bus_add()
610 	init_waitqueue_head(&mbus->tx_wq);  in mctp_i3c_bus_add()
611 	spin_lock_init(&mbus->tx_lock);  in mctp_i3c_bus_add()
612 	mbus->tx_thread = kthread_run(mctp_i3c_tx_thread, mbus,  in mctp_i3c_bus_add()
614 	if (IS_ERR(mbus->tx_thread)) {  in mctp_i3c_bus_add()
616 			 mbus->tx_thread);  in mctp_i3c_bus_add()
617 		rc = PTR_ERR(mbus->tx_thread);  in mctp_i3c_bus_add()
618 		mbus->tx_thread = NULL;  in mctp_i3c_bus_add()
627 	return mbus;  in mctp_i3c_bus_add()
631 	 * so we perform the same mbus cleanup manually.  in mctp_i3c_bus_add()
633 	mctp_i3c_bus_free(mbus);  in mctp_i3c_bus_add()
642 static void mctp_i3c_bus_remove(struct mctp_i3c_bus *mbus)  in mctp_i3c_bus_remove()  argument
646 	mctp_unregister_netdev(mbus->ndev);  in mctp_i3c_bus_remove()
648 	free_netdev(mbus->ndev);  in mctp_i3c_bus_remove()
649 	/* mbus is deallocated */  in mctp_i3c_bus_remove()
655 	struct mctp_i3c_bus *mbus = NULL, *tmp = NULL;  in mctp_i3c_bus_remove_all()  local
658 	list_for_each_entry_safe(mbus, tmp, &busdevs, list) {  in mctp_i3c_bus_remove_all()
659 		mctp_i3c_bus_remove(mbus);  in mctp_i3c_bus_remove_all()
669 	struct mctp_i3c_bus *mbus = NULL, *tmp = NULL;  in mctp_i3c_bus_add_new()  local
673 	list_for_each_entry_safe(mbus, tmp, &busdevs, list)  in mctp_i3c_bus_add_new()
674 		if (mbus->bus == bus)  in mctp_i3c_bus_add_new()
688 	struct mctp_i3c_bus *mbus = NULL, *tmp;  in mctp_i3c_notify_bus_remove()  local
691 	list_for_each_entry_safe(mbus, tmp, &busdevs, list)  in mctp_i3c_notify_bus_remove()
692 		if (mbus->bus == bus)  in mctp_i3c_notify_bus_remove()
693 			mctp_i3c_bus_remove(mbus);  in mctp_i3c_notify_bus_remove()