From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Mon, 28 Oct 2019 16:02:50 +0100
Subject: netfilter: nft_meta: offload support for interface index
Patch-mainline: v5.5-rc1
Git-commit: 25da5eb32cd51383f6dca7aad252376f1979c075
References: bsc#1176447
This patch adds support for offloading the NFT_META_IIF selector.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
include/net/netfilter/nf_tables_offload.h | 1 +
net/netfilter/nft_meta.c | 4 ++++
2 files changed, 5 insertions(+)
--- a/include/net/netfilter/nf_tables_offload.h
+++ b/include/net/netfilter/nf_tables_offload.h
@@ -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 {
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -547,6 +547,10 @@ static int nft_meta_get_offload(struct n
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;
}