1 files changed, 61 insertions, 0 deletions

diff --git a/net/802/p8023.c b/net/802/p8023.c
new file mode 100644
index 000000000000..a0b61b40225f
--- /dev/null
+++ b/net/802/p8023.c
@@ -0,0 +1,61 @@
+/*
+ *      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>
+
+/*
+ *      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)
+{
+        if (dl)
+                kfree(dl);
+}
+
+EXPORT_SYMBOL(destroy_8023_client);
+EXPORT_SYMBOL(make_8023_client);