[PATCH libnftnl] expr: meta: introduce ibrhwdr meta expression

[Fernando Fernandez Mancera <fmancera@xxxxxxx>]

Signed-off-by: Fernando Fernandez Mancera <fmancera@xxxxxxx>
---
 include/linux/netfilter/nf_tables.h | 2 ++
 src/expr/meta.c                     | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/linux/netfilter/nf_tables.h b/include/linux/netfilter/nf_tables.h
index 2beb30b..a0d9daa 100644
--- a/include/linux/netfilter/nf_tables.h
+++ b/include/linux/netfilter/nf_tables.h
@@ -959,6 +959,7 @@ enum nft_exthdr_attributes {
  * @NFT_META_SDIF: slave device interface index
  * @NFT_META_SDIFNAME: slave device interface name
  * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit
+ * @NFT_META_BRI_IIFHWADDR: packet input bridge interface ethernet address
  */
 enum nft_meta_keys {
 	NFT_META_LEN,
@@ -999,6 +1000,7 @@ enum nft_meta_keys {
 	NFT_META_SDIFNAME,
 	NFT_META_BRI_BROUTE,
 	__NFT_META_IIFTYPE,
+	NFT_META_BRI_IIFHWADDR,
 };
 
 /**
diff --git a/src/expr/meta.c b/src/expr/meta.c
index d1ff6c4..cbb9f92 100644
--- a/src/expr/meta.c
+++ b/src/expr/meta.c
@@ -18,7 +18,7 @@
 #include <libnftnl/rule.h>
 
 #ifndef NFT_META_MAX
-#define NFT_META_MAX (NFT_META_BRI_BROUTE + 1)
+#define NFT_META_MAX (NFT_META_BRI_IIFHWADDR + 1)
 #endif
 
 struct nftnl_expr_meta {
@@ -163,6 +163,7 @@ static const char *meta_key2str_array[NFT_META_MAX] = {
 	[NFT_META_SDIF]		= "sdif",
 	[NFT_META_SDIFNAME]	= "sdifname",
 	[NFT_META_BRI_BROUTE]	= "broute",
+	[NFT_META_BRI_IIFHWADDR] = "ibrhwdr",
 };
 
 static const char *meta_key2str(uint8_t key)
-- 
2.51.0