/* * NET3: 802.3 data link hooks used for IPX 802.3 * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * 802.3 isn't really a protocol data link layer. Some old IPX stuff * uses it however. Note that there is only one 802.3 protocol layer * in the system. We don't currently support different protocols * running raw 802.3 on different devices. Thankfully nobody else * has done anything like the old IPX. */ #include <linux/in.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/netdevice.h> #include <linux/skbuff.h> #include <net/datalink.h> #include <net/p8022.h> /* * Place an 802.3 header on a packet. The driver will do the mac * addresses, we just need to give it the buffer length. */ static int p8023_request(struct datalink_proto *dl, struct sk_buff *skb, unsigned char *dest_node) { struct net_device *dev = skb->dev; dev_hard_header(skb, dev, ETH_P_802_3, dest_node, NULL, skb->len); return dev_queue_xmit(skb); } /* * Create an 802.3 client. Note there can be only one 802.3 client */ struct datalink_proto *make_8023_client(void) { struct datalink_proto *proto = kmalloc(sizeof(*proto), GFP_ATOMIC); if (proto) { proto->header_length = 0; proto->request = p8023_request; } return proto; } /* * Destroy the 802.3 client. */ void destroy_8023_client(struct datalink_proto *dl) { kfree(dl); } EXPORT_SYMBOL(destroy_8023_client); EXPORT_SYMBOL(make_8023_client); MODULE_LICENSE("GPL");