diff options
author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/net/802/p8023.c | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/net/802/p8023.c')
-rw-r--r-- | kernel/net/802/p8023.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/kernel/net/802/p8023.c b/kernel/net/802/p8023.c new file mode 100644 index 000000000..1256a40da --- /dev/null +++ b/kernel/net/802/p8023.c @@ -0,0 +1,64 @@ +/* + * 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"); |