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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 | */ |
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 | |
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 | */ |
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 | { |
58 | kfree(dl); |
59 | } |
60 | |
61 | EXPORT_SYMBOL(destroy_8023_client); |
62 | EXPORT_SYMBOL(make_8023_client); |
63 | |
64 | MODULE_LICENSE("GPL"); |
65 |
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od-2011-09-18
v2.6.34-rc5
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