projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 502061f8 PNA |
1 | /* |
| 2 | * Copyright (c) 2015 Pablo Neira Ayuso <[email protected]> | |
| 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 | ||
| 3bf32761 FW |
17 | static void nf_do_netdev_egress(struct sk_buff *skb, struct net_device *dev) |
| 18 | { | |
| 19 | if (skb_mac_header_was_set(skb)) | |
| 20 | skb_push(skb, skb->mac_len); | |
| 21 | ||
| 22 | skb->dev = dev; | |
| 23 | dev_queue_xmit(skb); | |
| 24 | } | |
| 25 | ||
| 26 | void nf_fwd_netdev_egress(const struct nft_pktinfo *pkt, int oif) | |
| 27 | { | |
| 28 | struct net_device *dev; | |
| 29 | ||
| 30 | dev = dev_get_by_index_rcu(nft_net(pkt), oif); | |
| 31 | if (!dev) { | |
| 32 | kfree_skb(pkt->skb); | |
| 33 | return; | |
| 34 | } | |
| 35 | ||
| 36 | nf_do_netdev_egress(pkt->skb, dev); | |
| 37 | } | |
| 38 | EXPORT_SYMBOL_GPL(nf_fwd_netdev_egress); | |
| 39 | ||
| 502061f8 PNA |
40 | void nf_dup_netdev_egress(const struct nft_pktinfo *pkt, int oif) |
| 41 | { | |
| 42 | struct net_device *dev; | |
| 43 | struct sk_buff *skb; | |
| 44 | ||
| 0e5a1c7e | 45 | dev = dev_get_by_index_rcu(nft_net(pkt), oif); |
| 502061f8 PNA |
46 | if (dev == NULL) |
| 47 | return; | |
| 48 | ||
| 49 | skb = skb_clone(pkt->skb, GFP_ATOMIC); | |
| 3bf32761 FW |
50 | if (skb) |
| 51 | nf_do_netdev_egress(skb, dev); | |
| 502061f8 PNA |
52 | } |
| 53 | EXPORT_SYMBOL_GPL(nf_dup_netdev_egress); | |
| 54 | ||
| 55 | MODULE_LICENSE("GPL"); | |
| 56 | MODULE_AUTHOR("Pablo Neira Ayuso <[email protected]>"); |