diff options
| author | Tejun Heo <tj@kernel.org> | 2015-12-07 23:38:55 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-12-14 20:34:55 +0100 |
| commit | c38c4597e4bf3e99860eac98211748e1ecb0e139 (patch) | |
| tree | c24fde86bfd2353a1087f7c42f62a14c805931ae /include | |
| parent | netfilter: prepare xt_cgroup for multi revisions (diff) | |
| download | linux-c38c4597e4bf3e99860eac98211748e1ecb0e139.tar.xz linux-c38c4597e4bf3e99860eac98211748e1ecb0e139.zip | |
netfilter: implement xt_cgroup cgroup2 path match
This patch implements xt_cgroup path match which matches cgroup2
membership of the associated socket. The match is recursive and
invertible.
For rationales on introducing another cgroup based match, please refer
to a preceding commit "sock, cgroup: add sock->sk_cgroup".
v3: Folded into xt_cgroup as a new revision interface as suggested by
Pablo.
v2: Included linux/limits.h from xt_cgroup2.h for PATH_MAX. Added
explicit alignment to the priv field. Both suggested by Jan.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Daniel Wagner <daniel.wagner@bmw-carit.de>
CC: Neil Horman <nhorman@tuxdriver.com>
Cc: Jan Engelhardt <jengelh@inai.de>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/netfilter/xt_cgroup.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter/xt_cgroup.h b/include/uapi/linux/netfilter/xt_cgroup.h index 577c9e0b9406..1e4b37b93bef 100644 --- a/include/uapi/linux/netfilter/xt_cgroup.h +++ b/include/uapi/linux/netfilter/xt_cgroup.h @@ -2,10 +2,23 @@ #define _UAPI_XT_CGROUP_H #include <linux/types.h> +#include <linux/limits.h> struct xt_cgroup_info_v0 { __u32 id; __u32 invert; }; +struct xt_cgroup_info_v1 { + __u8 has_path; + __u8 has_classid; + __u8 invert_path; + __u8 invert_classid; + char path[PATH_MAX]; + __u32 classid; + + /* kernel internal data */ + void *priv __attribute__((aligned(8))); +}; + #endif /* _UAPI_XT_CGROUP_H */ |