diff options
| author | Ana Rey <anarey@gmail.com> | 2014-11-03 18:10:51 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2014-11-10 18:08:32 +0100 |
| commit | fecb6b4fa737ae374a738d207fa35f16e3813434 (patch) | |
| tree | 4cd5ebac9ce09a066368b12aa3aff0869dcca84c /src/meta.c | |
| parent | 47c760a43d755c3973fb1b31044b226c48fa1f2f (diff) | |
src: Add cgroup support in meta expresion
The new attribute of meta is "cgroup".
Example of use in nft:
# nft add rule ip test output meta cgroup != 0x100001 counter drop
Moreover, this adds tests to the meta.t test file.
The kernel support is addedin the commit:
ce67417 ("netfilter: nft_meta: add cgroup support")
The libnftnl support is add in the commit:
1d4a480 ("expr: meta: Add cgroup support")
More information about the steps to use cgroup:
https://www.kernel.org/doc/Documentation/cgroups/net_cls.txt
More info about cgroup in iptables:
http://git.kernel.org/cgit/linux/kernel/git/pablo/nftables.git/commit/net/netfilter/xt_cgroup.c?id=82a37132f300ea53bdcd812917af5a6329ec80c3
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/meta.c')
| -rw-r--r-- | src/meta.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -436,6 +436,9 @@ static const struct meta_template meta_templates[] = { [NFT_META_OIFGROUP] = META_TEMPLATE("oifgroup", &devgroup_type, 4 * BITS_PER_BYTE, BYTEORDER_HOST_ENDIAN), + [NFT_META_CGROUP] = META_TEMPLATE("cgroup", &integer_type, + 4 * BITS_PER_BYTE, + BYTEORDER_HOST_ENDIAN), }; static void meta_expr_print(const struct expr *expr) |