From: wenxu <we...@ucloud.cn>

Add nft_tunnel_obj offload for both encap and decap actions

Signed-off-by: wenxu <we...@ucloud.cn>
---
v4: no change

 net/netfilter/nft_tunnel.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index aa3dc52..b47838d 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -669,6 +669,25 @@ static void nft_tunnel_obj_destroy(const struct nft_ctx 
*ctx,
                metadata_dst_free(priv->md);
 }
 
+static int nft_tunnel_obj_offload(struct nft_offload_ctx *ctx,
+                                 struct nft_flow_rule *flow,
+                                 struct nft_object *obj)
+{
+       struct nft_tunnel_obj *priv = nft_obj_data(obj);
+       struct flow_action_entry *entry;
+
+       entry = &flow->rule->action.entries[ctx->num_actions++];
+
+       if (!priv->tunnel_key_release) {
+               entry->id = FLOW_ACTION_TUNNEL_ENCAP;
+               entry->tunnel = &priv->md->u.tun_info;
+       } else {
+               entry->id = FLOW_ACTION_TUNNEL_DECAP;
+       }
+
+       return 0;
+}
+
 static struct nft_object_type nft_tunnel_obj_type;
 static const struct nft_object_ops nft_tunnel_obj_ops = {
        .type           = &nft_tunnel_obj_type,
@@ -677,6 +696,7 @@ static void nft_tunnel_obj_destroy(const struct nft_ctx 
*ctx,
        .init           = nft_tunnel_obj_init,
        .destroy        = nft_tunnel_obj_destroy,
        .dump           = nft_tunnel_obj_dump,
+       .offload        = nft_tunnel_obj_offload,
 };
 
 static struct nft_object_type nft_tunnel_obj_type __read_mostly = {
-- 
1.8.3.1

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