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p8023.c
Package: linux-2.4.20.tar.gz [view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 2k
Category:
Linux-Unix program
Development Platform:
Unix_Linux
- /*
- * 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/netdevice.h>
- #include <linux/skbuff.h>
- #include <net/datalink.h>
- #include <linux/mm.h>
- #include <linux/in.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 void p8023_datalink_header(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);
- }
- /*
- * 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;
- proto = (struct datalink_proto *) kmalloc(sizeof(*proto), GFP_ATOMIC);
- if (proto != NULL)
- {
- proto->type_len = 0;
- proto->header_length = 0;
- proto->datalink_header = p8023_datalink_header;
- proto->string_name = "802.3";
- }
- return proto;
- }
- /*
- * Destroy the 802.3 client.
- */
- void destroy_8023_client(struct datalink_proto *dl)
- {
- if (dl)
- kfree(dl);
- }