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Diffstat (limited to 'net/netfilter/nf_dup_netdev.c')
-rw-r--r--net/netfilter/nf_dup_netdev.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/net/netfilter/nf_dup_netdev.c b/net/netfilter/nf_dup_netdev.c
index 5a35ef08c3cb..f108a76925dd 100644
--- a/net/netfilter/nf_dup_netdev.c
+++ b/net/netfilter/nf_dup_netdev.c
@@ -10,6 +10,7 @@
#include <linux/netfilter.h>
#include <linux/netfilter/nf_tables.h>
#include <net/netfilter/nf_tables.h>
+#include <net/netfilter/nf_tables_offload.h>
#include <net/netfilter/nf_dup_netdev.h>
static void nf_do_netdev_egress(struct sk_buff *skb, struct net_device *dev)
@@ -50,5 +51,25 @@ void nf_dup_netdev_egress(const struct nft_pktinfo *pkt, int oif)
}
EXPORT_SYMBOL_GPL(nf_dup_netdev_egress);
+int nft_fwd_dup_netdev_offload(struct nft_offload_ctx *ctx,
+ struct nft_flow_rule *flow,
+ enum flow_action_id id, int oif)
+{
+ struct flow_action_entry *entry;
+ struct net_device *dev;
+
+ /* nft_flow_rule_destroy() releases the reference on this device. */
+ dev = dev_get_by_index(ctx->net, oif);
+ if (!dev)
+ return -EOPNOTSUPP;
+
+ entry = &flow->rule->action.entries[ctx->num_actions++];
+ entry->id = id;
+ entry->dev = dev;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(nft_fwd_dup_netdev_offload);
+
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>");