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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * NET3: 802.3 data link hooks used for IPX 802.3
4 *
5 * 802.3 isn't really a protocol data link layer. Some old IPX stuff
6 * uses it however. Note that there is only one 802.3 protocol layer
7 * in the system. We don't currently support different protocols
8 * running raw 802.3 on different devices. Thankfully nobody else
9 * has done anything like the old IPX.
10 */
11
12#include <linux/in.h>
13#include <linux/mm.h>
14#include <linux/module.h>
15#include <linux/netdevice.h>
16#include <linux/skbuff.h>
17#include <linux/slab.h>
18
19#include <net/datalink.h>
20#include <net/p8022.h>
21
22/*
23 * Place an 802.3 header on a packet. The driver will do the mac
24 * addresses, we just need to give it the buffer length.
25 */
26static int p8023_request(struct datalink_proto *dl,
27 struct sk_buff *skb, unsigned char *dest_node)
28{
29 struct net_device *dev = skb->dev;
30
31 dev_hard_header(skb, dev, ETH_P_802_3, dest_node, NULL, skb->len);
32 return dev_queue_xmit(skb);
33}
34
35/*
36 * Create an 802.3 client. Note there can be only one 802.3 client
37 */
38struct datalink_proto *make_8023_client(void)
39{
40 struct datalink_proto *proto = kmalloc(sizeof(*proto), GFP_ATOMIC);
41
42 if (proto) {
43 proto->header_length = 0;
44 proto->request = p8023_request;
45 }
46 return proto;
47}
48
49/*
50 * Destroy the 802.3 client.
51 */
52void destroy_8023_client(struct datalink_proto *dl)
53{
54 kfree(dl);
55}
56
57EXPORT_SYMBOL(destroy_8023_client);
58EXPORT_SYMBOL(make_8023_client);
59
60MODULE_LICENSE("GPL");
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>
21#include <linux/slab.h>
22
23#include <net/datalink.h>
24#include <net/p8022.h>
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 */
30static 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
35 dev_hard_header(skb, dev, ETH_P_802_3, dest_node, NULL, skb->len);
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 */
42struct 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 */
56void destroy_8023_client(struct datalink_proto *dl)
57{
58 kfree(dl);
59}
60
61EXPORT_SYMBOL(destroy_8023_client);
62EXPORT_SYMBOL(make_8023_client);
63
64MODULE_LICENSE("GPL");