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| author | Yonghong Song <yhs@fb.com> | 2018-06-03 15:59:42 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2018-06-03 18:22:41 -0700 |
| commit | c7ddbbaf1e73e2f4e95cfda7b1da1be7fd199a4d (patch) | |
| tree | 748ad0b4742b384d6ce5a2271608ae871382c431 /tools | |
| parent | bf6fa2c893c5237b48569a13fa3c673041430b6c (diff) | |
| download | linux-0-day-c7ddbbaf1e73e2f4e95cfda7b1da1be7fd199a4d.tar.gz linux-0-day-c7ddbbaf1e73e2f4e95cfda7b1da1be7fd199a4d.tar.xz | |
tools/bpf: sync uapi bpf.h for bpf_get_current_cgroup_id() helper
Sync kernel uapi/linux/bpf.h with tools uapi/linux/bpf.h.
Also add the necessary helper define in bpf_helpers.h.
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 8 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_helpers.h | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index f0b6608b1f1ca..18712b0dbfe7c 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -2070,6 +2070,11 @@ union bpf_attr { * **CONFIG_SOCK_CGROUP_DATA** configuration option. * Return * The id is returned or 0 in case the id could not be retrieved. + * + * 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), \ @@ -2151,7 +2156,8 @@ union bpf_attr { FN(lwt_seg6_action), \ FN(rc_repeat), \ FN(rc_keydown), \ - FN(skb_cgroup_id), + FN(skb_cgroup_id), \ + 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 a66a9d91acf4c..f2f28b6c89151 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 |