projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 502061f8 PNA |
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> | |
| a32770b1 | 16 | #include <net/netfilter/nf_dup_netdev.h> |
| 502061f8 | 17 | |
| 3bf32761 FW |
18 | static void nf_do_netdev_egress(struct sk_buff *skb, struct net_device *dev) |
| 19 | { | |
| 20 | if (skb_mac_header_was_set(skb)) | |
| 21 | skb_push(skb, skb->mac_len); | |
| 22 | ||
| 23 | skb->dev = dev; | |
| 24 | dev_queue_xmit(skb); | |
| 25 | } | |
| 26 | ||
| 27 | void nf_fwd_netdev_egress(const struct nft_pktinfo *pkt, int oif) | |
| 28 | { | |
| 29 | struct net_device *dev; | |
| 30 | ||
| 31 | dev = dev_get_by_index_rcu(nft_net(pkt), oif); | |
| 32 | if (!dev) { | |
| 33 | kfree_skb(pkt->skb); | |
| 34 | return; | |
| 35 | } | |
| 36 | ||
| 37 | nf_do_netdev_egress(pkt->skb, dev); | |
| 38 | } | |
| 39 | EXPORT_SYMBOL_GPL(nf_fwd_netdev_egress); | |
| 40 | ||
| 502061f8 PNA |
41 | void nf_dup_netdev_egress(const struct nft_pktinfo *pkt, int oif) |
| 42 | { | |
| 43 | struct net_device *dev; | |
| 44 | struct sk_buff *skb; | |
| 45 | ||
| 0e5a1c7e | 46 | dev = dev_get_by_index_rcu(nft_net(pkt), oif); |
| 502061f8 PNA |
47 | if (dev == NULL) |
| 48 | return; | |
| 49 | ||
| 50 | skb = skb_clone(pkt->skb, GFP_ATOMIC); | |
| 3bf32761 FW |
51 | if (skb) |
| 52 | nf_do_netdev_egress(skb, dev); | |
| 502061f8 PNA |
53 | } |
| 54 | EXPORT_SYMBOL_GPL(nf_dup_netdev_egress); | |
| 55 | ||
| 56 | MODULE_LICENSE("GPL"); | |
| 57 | MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>"); |