netdev - [PATCH 11/28] netfilter: nf_tables: add enum nft_flowtable

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Message-Id: <20200330192136.230459-12-pablo@netfilter.org>
Date:   Mon, 30 Mar 2020 21:21:19 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 11/28] netfilter: nf_tables: add enum nft_flowtable_flags to uapi

Expose the NFT_FLOWTABLE_HW_OFFLOAD flag through uapi.

Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 include/net/netfilter/nf_flow_table.h    |  2 +-
 include/uapi/linux/netfilter/nf_tables.h | 10 ++++++++++
 net/netfilter/nf_tables_api.c            |  2 +-
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h
index f523ea87b6ae..4beb7f13bc50 100644
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -62,7 +62,7 @@ struct nf_flowtable_type {
 };
 
 enum nf_flowtable_flags {
-	NF_FLOWTABLE_HW_OFFLOAD		= 0x1,
+	NF_FLOWTABLE_HW_OFFLOAD		= 0x1,	/* NFT_FLOWTABLE_HW_OFFLOAD */
 };
 
 struct nf_flowtable {
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index 4e3a5971d4ee..717ee3aa05d7 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -1554,6 +1554,16 @@ enum nft_object_attributes {
 #define NFTA_OBJ_MAX		(__NFTA_OBJ_MAX - 1)
 
 /**
+ * enum nft_flowtable_flags - nf_tables flowtable flags
+ *
+ * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled
+ */
+enum nft_flowtable_flags {
+	NFT_FLOWTABLE_HW_OFFLOAD	= 0x1,
+	NFT_FLOWTABLE_MASK		= NFT_FLOWTABLE_HW_OFFLOAD
+};
+
+/**
  * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
  *
  * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index c5332a313283..ace325218edb 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -6375,7 +6375,7 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk,
 	if (nla[NFTA_FLOWTABLE_FLAGS]) {
 		flowtable->data.flags =
 			ntohl(nla_get_be32(nla[NFTA_FLOWTABLE_FLAGS]));
-		if (flowtable->data.flags & ~NF_FLOWTABLE_HW_OFFLOAD)
+		if (flowtable->data.flags & ~NFT_FLOWTABLE_MASK)
 			goto err3;
 	}
 
-- 
2.11.0