[linux.git] / net / 802 / p8023.c

/*
 *	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 <linux/slab.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");
Commit	Line	Data
1da177e4 LT	1	/*
	2	* NET3: 802.3 data link hooks used for IPX 802.3
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License
	6	* as published by the Free Software Foundation; either version
	7	* 2 of the License, or (at your option) any later version.
	8	*
	9	* 802.3 isn't really a protocol data link layer. Some old IPX stuff
	10	* uses it however. Note that there is only one 802.3 protocol layer
	11	* in the system. We don't currently support different protocols
	12	* running raw 802.3 on different devices. Thankfully nobody else
	13	* has done anything like the old IPX.
	14	*/
	15
	16	#include <linux/in.h>
	17	#include <linux/mm.h>
	18	#include <linux/module.h>
	19	#include <linux/netdevice.h>
	20	#include <linux/skbuff.h>
5a0e3ad6	21	#include <linux/slab.h>
1da177e4 LT	22
1da177e4 LT	23	#include <net/datalink.h>
20380731	24	#include <net/p8022.h>
1da177e4 LT	25
	26	/*
	27	* Place an 802.3 header on a packet. The driver will do the mac
	28	* addresses, we just need to give it the buffer length.
	29	*/
	30	static int p8023_request(struct datalink_proto *dl,
	31	struct sk_buff skb, unsigned char dest_node)
	32	{
	33	struct net_device *dev = skb->dev;
	34
0c4e8581	35	dev_hard_header(skb, dev, ETH_P_802_3, dest_node, NULL, skb->len);
1da177e4 LT	36	return dev_queue_xmit(skb);
	37	}
	38
	39	/*
	40	* Create an 802.3 client. Note there can be only one 802.3 client
	41	*/
	42	struct datalink_proto *make_8023_client(void)
	43	{
	44	struct datalink_proto proto = kmalloc(sizeof(proto), GFP_ATOMIC);
	45
	46	if (proto) {
	47	proto->header_length = 0;
	48	proto->request = p8023_request;
	49	}
	50	return proto;
	51	}
	52
	53	/*
	54	* Destroy the 802.3 client.
	55	*/
	56	void destroy_8023_client(struct datalink_proto *dl)
	57	{
a51482bd	58	kfree(dl);
1da177e4 LT	59	}
	60
	61	EXPORT_SYMBOL(destroy_8023_client);
	62	EXPORT_SYMBOL(make_8023_client);
99e382af DJ	63
99e382af DJ	64	MODULE_LICENSE("GPL");