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()
259 		const struct net_device *net, const unsigned char *haddr)  in fwnet_header_cache_update()  argument
261 	memcpy((u8 *)hh->hh_data + HH_DATA_OFF(FWNET_HLEN), haddr, net->addr_len);  in fwnet_header_cache_update()
356 static struct fwnet_partial_datagram *fwnet_pd_new(struct net_device *net,  in fwnet_pd_new()  argument
374 	new->skb = dev_alloc_skb(dg_size + LL_RESERVED_SPACE(net));  in fwnet_pd_new()
378 	skb_reserve(new->skb, LL_RESERVED_SPACE(net));  in fwnet_pd_new()
482 static int fwnet_finish_incoming_packet(struct net_device *net,  in fwnet_finish_incoming_packet()  argument
501 	dev = netdev_priv(net);  in fwnet_finish_incoming_packet()
503 	skb->dev = net;  in fwnet_finish_incoming_packet()
511 	if (dev_hard_header(skb, net, ether_type,  in fwnet_finish_incoming_packet()
512 			   is_broadcast ? net->broadcast : net->dev_addr,  in fwnet_finish_incoming_packet()
522 			if (memcmp(eth->h_dest, net->broadcast,  in fwnet_finish_incoming_packet()
523 				   net->addr_len) == 0)  in fwnet_finish_incoming_packet()
530 			if (memcmp(eth->h_dest, net->dev_addr, net->addr_len))  in fwnet_finish_incoming_packet()
546 		net->stats.rx_errors++;  in fwnet_finish_incoming_packet()
547 		net->stats.rx_dropped++;  in fwnet_finish_incoming_packet()
549 		net->stats.rx_packets++;  in fwnet_finish_incoming_packet()
550 		net->stats.rx_bytes += skb->len;  in fwnet_finish_incoming_packet()
556 	net->stats.rx_errors++;  in fwnet_finish_incoming_packet()
557 	net->stats.rx_dropped++;  in fwnet_finish_incoming_packet()
569 	struct net_device *net = dev->netdev;  in fwnet_incoming_packet()  local
593 		skb = dev_alloc_skb(len + LL_RESERVED_SPACE(net));  in fwnet_incoming_packet()
595 			net->stats.rx_dropped++;  in fwnet_incoming_packet()
599 		skb_reserve(skb, LL_RESERVED_SPACE(net));  in fwnet_incoming_packet()
602 		return fwnet_finish_incoming_packet(net, skb, source_node_id,  in fwnet_incoming_packet()
635 		pd = fwnet_pd_new(net, peer, datagram_label,  in fwnet_incoming_packet()
650 			pd = fwnet_pd_new(net, peer, datagram_label,  in fwnet_incoming_packet()
683 		return fwnet_finish_incoming_packet(net, skb, source_node_id,  in fwnet_incoming_packet()
1185 static int fwnet_open(struct net_device *net)  in fwnet_open()  argument
1187 	struct fwnet_device *dev = netdev_priv(net);  in fwnet_open()
1194 	netif_start_queue(net);  in fwnet_open()
1204 static int fwnet_stop(struct net_device *net)  in fwnet_stop()  argument
1206 	struct fwnet_device *dev = netdev_priv(net);  in fwnet_stop()
1208 	netif_stop_queue(net);  in fwnet_stop()
1214 static netdev_tx_t fwnet_tx(struct sk_buff *skb, struct net_device *net)  in fwnet_tx()  argument
1217 	struct fwnet_device *dev = netdev_priv(net);  in fwnet_tx()
1339 	net->stats.tx_dropped++;  in fwnet_tx()
1340 	net->stats.tx_errors++;  in fwnet_tx()
1352 static int fwnet_change_mtu(struct net_device *net, int new_mtu)  in fwnet_change_mtu()  argument
1357 	net->mtu = new_mtu;  in fwnet_change_mtu()
1372 static void fwnet_init_dev(struct net_device *net)  in fwnet_init_dev()  argument
1374 	net->header_ops		= &fwnet_header_ops;  in fwnet_init_dev()
1375 	net->netdev_ops		= &fwnet_netdev_ops;  in fwnet_init_dev()
1376 	net->watchdog_timeo	= 2 * HZ;  in fwnet_init_dev()
1377 	net->flags		= IFF_BROADCAST | IFF_MULTICAST;  in fwnet_init_dev()
1378 	net->features		= NETIF_F_HIGHDMA;  in fwnet_init_dev()
1379 	net->addr_len		= FWNET_ALEN;  in fwnet_init_dev()
1380 	net->hard_header_len	= FWNET_HLEN;  in fwnet_init_dev()
1381 	net->type		= ARPHRD_IEEE1394;  in fwnet_init_dev()
1382 	net->tx_queue_len	= FWNET_TX_QUEUE_LEN;  in fwnet_init_dev()
1383 	net->ethtool_ops	= &fwnet_ethtool_ops;  in fwnet_init_dev()
1435 	struct net_device *net;  in fwnet_probe()  local
1446 		net = dev->netdev;  in fwnet_probe()
1450 	net = alloc_netdev(sizeof(*dev), "firewire%d", NET_NAME_UNKNOWN,  in fwnet_probe()
1452 	if (net == NULL) {  in fwnet_probe()
1458 	SET_NETDEV_DEV(net, card->device);  in fwnet_probe()
1459 	dev = netdev_priv(net);  in fwnet_probe()
1470 	dev->netdev = net;  in fwnet_probe()
1483 	net->mtu = min(1500U, max_mtu);  in fwnet_probe()
1486 	ha = (union fwnet_hwaddr *)net->dev_addr;  in fwnet_probe()
1493 	memset(net->broadcast, -1, net->addr_len);  in fwnet_probe()
1495 	ret = register_netdev(net);  in fwnet_probe()
1500 	dev_notice(&net->dev, "IP over IEEE 1394 on card %s\n",  in fwnet_probe()
1505 		unregister_netdev(net);  in fwnet_probe()
1509 		free_netdev(net);  in fwnet_probe()
1555 	struct net_device *net;  in fwnet_remove()  local
1560 	net = dev->netdev;  in fwnet_remove()
1565 		unregister_netdev(net);  in fwnet_remove()
1574 		free_netdev(net);  in fwnet_remove()