Sync kernel uapi/linux/bpf.h with tools uapi/linux/bpf.h. Also add the necessary helper define in bpf_helpers.h.
Signed-off-by: Yonghong Song <y...@fb.com> --- tools/include/uapi/linux/bpf.h | 9 ++++++++- tools/testing/selftests/bpf/bpf_helpers.h | 2 ++ 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 64ac0f7..1108936 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -2054,6 +2054,12 @@ union bpf_attr { * * Return * 0 + * + * u64 bpf_get_current_cgroup_id(void) + * Return + * A 64-bit integer containing the current cgroup id based + * on the cgroup within which the current task is running. + * */ #define __BPF_FUNC_MAPPER(FN) \ FN(unspec), \ @@ -2134,7 +2140,8 @@ union bpf_attr { FN(lwt_seg6_adjust_srh), \ FN(lwt_seg6_action), \ FN(rc_repeat), \ - FN(rc_keydown), + FN(rc_keydown), \ + FN(get_current_cgroup_id), /* integer value in 'imm' field of BPF_CALL instruction selects which helper * function eBPF program intends to call diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h index a66a9d9..f2f28b6 100644 --- a/tools/testing/selftests/bpf/bpf_helpers.h +++ b/tools/testing/selftests/bpf/bpf_helpers.h @@ -131,6 +131,8 @@ static int (*bpf_rc_repeat)(void *ctx) = static int (*bpf_rc_keydown)(void *ctx, unsigned int protocol, unsigned long long scancode, unsigned int toggle) = (void *) BPF_FUNC_rc_keydown; +static unsigned long long (*bpf_get_current_cgroup_id)(void) = + (void *) BPF_FUNC_get_current_cgroup_id; /* llvm builtin functions that eBPF C program may use to * emit BPF_LD_ABS and BPF_LD_IND instructions -- 2.9.5