70 static int tipc_l2_rcv_msg(struct sk_buff *skb, struct net_device *dev,
430 	struct net_device *dev;  in tipc_enable_l2_media()  local
433 	dev = dev_get_by_name(net, dev_name);  in tipc_enable_l2_media()
434 	if (!dev)  in tipc_enable_l2_media()
436 	if (tipc_mtu_bad(dev)) {  in tipc_enable_l2_media()
437 		dev_put(dev);  in tipc_enable_l2_media()
440 	if (dev == net->loopback_dev) {  in tipc_enable_l2_media()
441 		dev_put(dev);  in tipc_enable_l2_media()
448 		memcpy(node_id, dev->dev_addr, hwaddr_len);  in tipc_enable_l2_media()
452 		dev_put(dev);  in tipc_enable_l2_media()
458 	rcu_assign_pointer(b->media_ptr, dev);  in tipc_enable_l2_media()
459 	b->pt.dev = dev;  in tipc_enable_l2_media()
464 	memcpy(b->bcast_addr.value, dev->broadcast, hwaddr_len);  in tipc_enable_l2_media()
467 	b->mtu = dev->mtu;  in tipc_enable_l2_media()
468 	b->media->raw2addr(b, &b->addr, (const char *)dev->dev_addr);  in tipc_enable_l2_media()
469 	rcu_assign_pointer(dev->tipc_ptr, b);  in tipc_enable_l2_media()
480 	struct net_device *dev;  in tipc_disable_l2_media()  local
482 	dev = (struct net_device *)rtnl_dereference(b->media_ptr);  in tipc_disable_l2_media()
484 	RCU_INIT_POINTER(dev->tipc_ptr, NULL);  in tipc_disable_l2_media()
486 	dev_put(dev);  in tipc_disable_l2_media()
499 	struct net_device *dev;  in tipc_l2_send_msg()  local
502 	dev = (struct net_device *)rcu_dereference(b->media_ptr);  in tipc_l2_send_msg()
503 	if (!dev)  in tipc_l2_send_msg()
506 	delta = SKB_DATA_ALIGN(dev->hard_header_len - skb_headroom(skb));  in tipc_l2_send_msg()
512 	skb->dev = dev;  in tipc_l2_send_msg()
514 	dev_hard_header(skb, dev, ETH_P_TIPC, dest->value,  in tipc_l2_send_msg()
515 			dev->dev_addr, skb->len);  in tipc_l2_send_msg()
656 static int tipc_l2_rcv_msg(struct sk_buff *skb, struct net_device *dev,  in tipc_l2_rcv_msg()  argument
662 	b = rcu_dereference(dev->tipc_ptr) ?:  in tipc_l2_rcv_msg()
668 		tipc_rcv(dev_net(b->pt.dev), skb, b);  in tipc_l2_rcv_msg()
689 	struct net_device *dev = netdev_notifier_info_to_dev(ptr);  in tipc_l2_device_event()  local
690 	struct net *net = dev_net(dev);  in tipc_l2_device_event()
693 	b = rtnl_dereference(dev->tipc_ptr);  in tipc_l2_device_event()
697 	trace_tipc_l2_device_event(dev, b, evt);  in tipc_l2_device_event()
700 		if (netif_carrier_ok(dev) && netif_oper_up(dev)) {  in tipc_l2_device_event()
713 		if (tipc_mtu_bad(dev)) {  in tipc_l2_device_event()
717 		b->mtu = dev->mtu;  in tipc_l2_device_event()
722 				   (const char *)dev->dev_addr);  in tipc_l2_device_event()
765 	struct net_device *dev = net->loopback_dev;  in tipc_clone_to_loopback()  local
774 		exp = SKB_DATA_ALIGN(dev->hard_header_len - skb_headroom(skb));  in tipc_clone_to_loopback()
781 		dev_hard_header(skb, dev, ETH_P_TIPC, dev->dev_addr,  in tipc_clone_to_loopback()
782 				dev->dev_addr, skb->len);  in tipc_clone_to_loopback()
783 		skb->dev = dev;  in tipc_clone_to_loopback()
786 		skb->protocol = eth_type_trans(skb, dev);  in tipc_clone_to_loopback()
791 static int tipc_loopback_rcv_pkt(struct sk_buff *skb, struct net_device *dev,  in tipc_loopback_rcv_pkt()  argument
800 	struct net_device *dev = net->loopback_dev;  in tipc_attach_loopback()  local
803 	if (!dev)  in tipc_attach_loopback()
806 	netdev_hold(dev, &tn->loopback_pt.dev_tracker, GFP_KERNEL);  in tipc_attach_loopback()
807 	tn->loopback_pt.dev = dev;  in tipc_attach_loopback()