netfilter: nft_meta: offload support for interface index

This patch adds support for offloading the NFT_META_IIF selector.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2019-10-28 16:02:50 +01:00
parent 90bc72b13c
commit 25da5eb32c
2 changed files with 5 additions and 0 deletions

View File

@ -45,6 +45,7 @@ struct nft_flow_key {
struct flow_dissector_key_ip ip;
struct flow_dissector_key_vlan vlan;
struct flow_dissector_key_eth_addrs eth_addrs;
struct flow_dissector_key_meta meta;
} __aligned(BITS_PER_LONG / 8); /* Ensure that we can do comparisons as longs. */
struct nft_flow_match {

View File

@ -547,6 +547,10 @@ static int nft_meta_get_offload(struct nft_offload_ctx *ctx,
sizeof(__u8), reg);
nft_offload_set_dependency(ctx, NFT_OFFLOAD_DEP_TRANSPORT);
break;
case NFT_META_IIF:
NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_META, meta,
ingress_ifindex, sizeof(__u32), reg);
break;
default:
return -EOPNOTSUPP;
}