Sync cgroup storage related changes:
1) new BPF_MAP_TYPE_CGROUP_STORAGE map type
2) struct bpf_cgroup_sotrage_key definition
3) get_local_storage() helper

Signed-off-by: Roman Gushchin <g...@fb.com>
Cc: Alexei Starovoitov <a...@kernel.org>
Cc: Daniel Borkmann <dan...@iogearbox.net>
Acked-by: Martin KaFai Lau <ka...@fb.com>
---
 tools/include/uapi/linux/bpf.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index e0b06784f227..06e111181dda 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -75,6 +75,11 @@ struct bpf_lpm_trie_key {
        __u8    data[0];        /* Arbitrary size */
 };
 
+struct bpf_cgroup_storage_key {
+       __u64   cgroup_inode_id;        /* cgroup inode id */
+       __u32   attach_type;            /* program attach type */
+};
+
 /* BPF syscall commands, see bpf(2) man-page for details. */
 enum bpf_cmd {
        BPF_MAP_CREATE,
@@ -120,6 +125,7 @@ enum bpf_map_type {
        BPF_MAP_TYPE_CPUMAP,
        BPF_MAP_TYPE_XSKMAP,
        BPF_MAP_TYPE_SOCKHASH,
+       BPF_MAP_TYPE_CGROUP_STORAGE,
 };
 
 enum bpf_prog_type {
@@ -2157,7 +2163,8 @@ union bpf_attr {
        FN(rc_repeat),                  \
        FN(rc_keydown),                 \
        FN(skb_cgroup_id),              \
-       FN(get_current_cgroup_id),
+       FN(get_current_cgroup_id),      \
+       FN(get_local_storage),
 
 /* integer value in 'imm' field of BPF_CALL instruction selects which helper
  * function eBPF program intends to call
-- 
2.14.4

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