Pablo Neira Ayuso | 502061f | 2016-01-03 21:02:18 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015 Pablo Neira Ayuso <pablo@netfilter.org> |
| 3 | * |
| 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. |
| 7 | */ |
| 8 | |
| 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 | |
| 17 | void nf_dup_netdev_egress(const struct nft_pktinfo *pkt, int oif) |
| 18 | { |
| 19 | struct net_device *dev; |
| 20 | struct sk_buff *skb; |
| 21 | |
| 22 | dev = dev_get_by_index_rcu(pkt->net, oif); |
| 23 | if (dev == NULL) |
| 24 | return; |
| 25 | |
| 26 | skb = skb_clone(pkt->skb, GFP_ATOMIC); |
| 27 | if (skb == NULL) |
| 28 | return; |
| 29 | |
| 30 | if (skb_mac_header_was_set(skb)) |
| 31 | skb_push(skb, skb->mac_len); |
| 32 | |
| 33 | skb->dev = dev; |
Pablo Neira Ayuso | 502061f | 2016-01-03 21:02:18 +0100 | [diff] [blame] | 34 | dev_queue_xmit(skb); |
| 35 | } |
| 36 | EXPORT_SYMBOL_GPL(nf_dup_netdev_egress); |
| 37 | |
| 38 | MODULE_LICENSE("GPL"); |
| 39 | MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>"); |