diff options
| author | Jose M. Guisado Gomez <guigom@riseup.net> | 2020-09-08 13:01:41 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-09-08 16:35:38 +0200 |
| commit | b131c96496b369c7b14125e7c50e89ac7cec8051 (patch) | |
| tree | ceb2c2d25f74a9e5e99060cac28c54d04fe053b7 /include | |
| parent | 0c5edd77a21dc863aa7639ea07c9d7a5b15f62f9 (diff) | |
netfilter: nf_tables: add userdata support for nft_object
Enables storing userdata for nft_object. Initially this will store an
optional comment but can be extended in the future as needed.
Adds new attribute NFTA_OBJ_USERDATA to nft_object.
Signed-off-by: Jose M. Guisado Gomez <guigom@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/netfilter/nf_tables.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter/nf_tables.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 97a7e147a59a..99c1b3188b1e 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -1123,6 +1123,8 @@ struct nft_object { u32 genmask:2, use:30; u64 handle; + u16 udlen; + u8 *udata; /* runtime data below here */ const struct nft_object_ops *ops ____cacheline_aligned; unsigned char data[] diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index 543dc697b796..2a6e09dea1a0 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -1559,6 +1559,7 @@ enum nft_ct_expectation_attributes { * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) * @NFTA_OBJ_HANDLE: object handle (NLA_U64) + * @NFTA_OBJ_USERDATA: user data (NLA_BINARY) */ enum nft_object_attributes { NFTA_OBJ_UNSPEC, @@ -1569,6 +1570,7 @@ enum nft_object_attributes { NFTA_OBJ_USE, NFTA_OBJ_HANDLE, NFTA_OBJ_PAD, + NFTA_OBJ_USERDATA, __NFTA_OBJ_MAX }; #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1) |