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@netfilter.org>

diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h
index f523ea8..4beb7f1 100644 (file)
--- 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 4e3a597..717ee3a 100644 (file)
--- 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 c5332a3..ace3252 100644 (file)
--- 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;
        }