216 static int fwnet_header_create(struct sk_buff *skb, struct net_device *net,  in fwnet_header_create()  argument
225 	if (net->flags & (IFF_LOOPBACK | IFF_NOARP)) {  in fwnet_header_create()
226 		memset(h->h_dest, 0, net->addr_len);  in fwnet_header_create()
228 		return net->hard_header_len;  in fwnet_header_create()
232 		memcpy(h->h_dest, daddr, net->addr_len);  in fwnet_header_create()
234 		return net->hard_header_len;  in fwnet_header_create()
237 	return -net->hard_header_len;  in fwnet_header_create()
243 	struct net_device *net;  in fwnet_header_cache()  local
248 	net = neigh->dev;  in fwnet_header_cache()
251 	memcpy(h->h_dest, neigh->ha, net->addr_len);  in fwnet_header_cache()
263 		const struct net_device *net, const unsigned char *haddr)  in fwnet_header_cache_update()  argument
265 	memcpy((u8 *)hh->hh_data + HH_DATA_OFF(FWNET_HLEN), haddr, net->addr_len);  in fwnet_header_cache_update()
360 static struct fwnet_partial_datagram *fwnet_pd_new(struct net_device *net,  in fwnet_pd_new()  argument
378 	new->skb = dev_alloc_skb(dg_size + LL_RESERVED_SPACE(net));  in fwnet_pd_new()
382 	skb_reserve(new->skb, LL_RESERVED_SPACE(net));  in fwnet_pd_new()
486 static int fwnet_finish_incoming_packet(struct net_device *net,  in fwnet_finish_incoming_packet()  argument
505 	dev = netdev_priv(net);  in fwnet_finish_incoming_packet()
507 	skb->dev = net;  in fwnet_finish_incoming_packet()
515 	if (dev_hard_header(skb, net, ether_type,  in fwnet_finish_incoming_packet()
516 			   is_broadcast ? net->broadcast : net->dev_addr,  in fwnet_finish_incoming_packet()
526 			if (memcmp(eth->h_dest, net->broadcast,  in fwnet_finish_incoming_packet()
527 				   net->addr_len) == 0)  in fwnet_finish_incoming_packet()
534 			if (memcmp(eth->h_dest, net->dev_addr, net->addr_len))  in fwnet_finish_incoming_packet()
550 		net->stats.rx_errors++;  in fwnet_finish_incoming_packet()
551 		net->stats.rx_dropped++;  in fwnet_finish_incoming_packet()
553 		net->stats.rx_packets++;  in fwnet_finish_incoming_packet()
554 		net->stats.rx_bytes += skb->len;  in fwnet_finish_incoming_packet()
560 	net->stats.rx_errors++;  in fwnet_finish_incoming_packet()
561 	net->stats.rx_dropped++;  in fwnet_finish_incoming_packet()
573 	struct net_device *net = dev->netdev;  in fwnet_incoming_packet()  local
600 		skb = dev_alloc_skb(len + LL_RESERVED_SPACE(net));  in fwnet_incoming_packet()
602 			net->stats.rx_dropped++;  in fwnet_incoming_packet()
606 		skb_reserve(skb, LL_RESERVED_SPACE(net));  in fwnet_incoming_packet()
609 		return fwnet_finish_incoming_packet(net, skb, source_node_id,  in fwnet_incoming_packet()
650 		pd = fwnet_pd_new(net, peer, datagram_label,  in fwnet_incoming_packet()
665 			pd = fwnet_pd_new(net, peer, datagram_label,  in fwnet_incoming_packet()
698 		return fwnet_finish_incoming_packet(net, skb, source_node_id,  in fwnet_incoming_packet()
1206 static int fwnet_open(struct net_device *net)  in fwnet_open()  argument
1208 	struct fwnet_device *dev = netdev_priv(net);  in fwnet_open()
1215 	netif_start_queue(net);  in fwnet_open()
1225 static int fwnet_stop(struct net_device *net)  in fwnet_stop()  argument
1227 	struct fwnet_device *dev = netdev_priv(net);  in fwnet_stop()
1229 	netif_stop_queue(net);  in fwnet_stop()
1235 static netdev_tx_t fwnet_tx(struct sk_buff *skb, struct net_device *net)  in fwnet_tx()  argument
1238 	struct fwnet_device *dev = netdev_priv(net);  in fwnet_tx()
1360 	net->stats.tx_dropped++;  in fwnet_tx()
1361 	net->stats.tx_errors++;  in fwnet_tx()
1383 static void fwnet_init_dev(struct net_device *net)  in fwnet_init_dev()  argument
1385 	net->header_ops		= &fwnet_header_ops;  in fwnet_init_dev()
1386 	net->netdev_ops		= &fwnet_netdev_ops;  in fwnet_init_dev()
1387 	net->watchdog_timeo	= 2 * HZ;  in fwnet_init_dev()
1388 	net->flags		= IFF_BROADCAST | IFF_MULTICAST;  in fwnet_init_dev()
1389 	net->features		= NETIF_F_HIGHDMA;  in fwnet_init_dev()
1390 	net->addr_len		= FWNET_ALEN;  in fwnet_init_dev()
1391 	net->hard_header_len	= FWNET_HLEN;  in fwnet_init_dev()
1392 	net->type		= ARPHRD_IEEE1394;  in fwnet_init_dev()
1393 	net->tx_queue_len	= FWNET_TX_QUEUE_LEN;  in fwnet_init_dev()
1394 	net->ethtool_ops	= &fwnet_ethtool_ops;  in fwnet_init_dev()
1446 	struct net_device *net;  in fwnet_probe()  local
1456 		net = dev->netdev;  in fwnet_probe()
1460 	net = alloc_netdev(sizeof(*dev), "firewire%d", NET_NAME_UNKNOWN,  in fwnet_probe()
1462 	if (net == NULL) {  in fwnet_probe()
1468 	SET_NETDEV_DEV(net, card->device);  in fwnet_probe()
1469 	dev = netdev_priv(net);  in fwnet_probe()
1480 	dev->netdev = net;  in fwnet_probe()
1487 	net->mtu = 1500U;  in fwnet_probe()
1488 	net->min_mtu = ETH_MIN_MTU;  in fwnet_probe()
1489 	net->max_mtu = 0xfff;  in fwnet_probe()
1492 	ha = (union fwnet_hwaddr *)net->dev_addr;  in fwnet_probe()
1499 	memset(net->broadcast, -1, net->addr_len);  in fwnet_probe()
1501 	ret = register_netdev(net);  in fwnet_probe()
1506 	dev_notice(&net->dev, "IP over IEEE 1394 on card %s\n",  in fwnet_probe()
1511 		unregister_netdev(net);  in fwnet_probe()
1515 		free_netdev(net);  in fwnet_probe()
1561 	struct net_device *net;  in fwnet_remove()  local
1566 	net = dev->netdev;  in fwnet_remove()
1571 		unregister_netdev(net);  in fwnet_remove()
1580 		free_netdev(net);  in fwnet_remove()