]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - net/netfilter/nf_dup_netdev.c
2 * Copyright (c) 2015 Pablo Neira Ayuso <pablo@netfilter.org>
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 as published by
6 * the Free Software Foundation.
9 #include <linux/kernel.h>
10 #include <linux/init.h>
11 #include <linux/module.h>
12 #include <linux/netlink.h>
13 #include <linux/netfilter.h>
14 #include <linux/netfilter/nf_tables.h>
15 #include <net/netfilter/nf_tables.h>
16 #include <net/netfilter/nf_dup_netdev.h>
18 static void nf_do_netdev_egress(struct sk_buff
*skb
, struct net_device
*dev
)
20 if (skb_mac_header_was_set(skb
))
21 skb_push(skb
, skb
->mac_len
);
27 void nf_fwd_netdev_egress(const struct nft_pktinfo
*pkt
, int oif
)
29 struct net_device
*dev
;
31 dev
= dev_get_by_index_rcu(nft_net(pkt
), oif
);
37 nf_do_netdev_egress(pkt
->skb
, dev
);
39 EXPORT_SYMBOL_GPL(nf_fwd_netdev_egress
);
41 void nf_dup_netdev_egress(const struct nft_pktinfo
*pkt
, int oif
)
43 struct net_device
*dev
;
46 dev
= dev_get_by_index_rcu(nft_net(pkt
), oif
);
50 skb
= skb_clone(pkt
->skb
, GFP_ATOMIC
);
52 nf_do_netdev_egress(skb
, dev
);
54 EXPORT_SYMBOL_GPL(nf_dup_netdev_egress
);
56 MODULE_LICENSE("GPL");
57 MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>");