[PATCH bpf-next 01/10] bpf: introduce __MAX_BPF_PROG_TYPE and __MAX_BPF_MAP_TYPE enum values
From: Julia Kartseva <hidden>
Date: 2019-08-28 21:03:59
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
Similar to __MAX_BPF_ATTACH_TYPE identifying the number of elements in bpf_attach_type enum, add tailing enum values __MAX_BPF_PROG_TYPE and __MAX_BPF_MAP_TYPE to simplify e.g. iteration over enums values in the case when new values are added. Signed-off-by: Julia Kartseva <redacted> --- include/uapi/linux/bpf.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 5d2fb183ee2d..9b681bb82211 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h@@ -136,8 +136,11 @@ enum bpf_map_type { BPF_MAP_TYPE_STACK, BPF_MAP_TYPE_SK_STORAGE, BPF_MAP_TYPE_DEVMAP_HASH, + __MAX_BPF_MAP_TYPE }; +#define MAX_BPF_MAP_TYPE __MAX_BPF_MAP_TYPE + /* Note that tracing related programs such as * BPF_PROG_TYPE_{KPROBE,TRACEPOINT,PERF_EVENT,RAW_TRACEPOINT} * are not subject to a stable API since kernel internal data
@@ -173,8 +176,11 @@ enum bpf_prog_type { BPF_PROG_TYPE_CGROUP_SYSCTL, BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, BPF_PROG_TYPE_CGROUP_SOCKOPT, + __MAX_BPF_PROG_TYPE }; +#define MAX_BPF_PROG_TYPE __MAX_BPF_PROG_TYPE + enum bpf_attach_type { BPF_CGROUP_INET_INGRESS, BPF_CGROUP_INET_EGRESS,
--
2.17.1