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| author | Martin KaFai Lau <kafai@fb.com> | 2017-06-05 12:15:53 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-06 15:41:24 -0400 |
| commit | 95b9afd3987f91c09151158279e165276a95c597 (patch) | |
| tree | f71901b7ceeebc924ad0c68184f4cd4f96511c7c /tools/include | |
| parent | 1e270976908686ec25fb91b8a34145be54137976 (diff) | |
| download | linux-0-day-95b9afd3987f91c09151158279e165276a95c597.tar.gz linux-0-day-95b9afd3987f91c09151158279e165276a95c597.tar.xz | |
bpf: Test for bpf ID
Add test to exercise the bpf_prog/map id generation,
bpf_(prog|map)_get_next_id(), bpf_(prog|map)_get_fd_by_id() and
bpf_get_obj_info_by_fd().
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Alexei Starovoitov <ast@fb.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index e78aece036280..9b2c10b45733e 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -82,6 +82,11 @@ enum bpf_cmd { BPF_PROG_ATTACH, BPF_PROG_DETACH, BPF_PROG_TEST_RUN, + BPF_PROG_GET_NEXT_ID, + BPF_MAP_GET_NEXT_ID, + BPF_PROG_GET_FD_BY_ID, + BPF_MAP_GET_FD_BY_ID, + BPF_OBJ_GET_INFO_BY_FD, }; enum bpf_map_type { @@ -209,6 +214,21 @@ union bpf_attr { __u32 repeat; __u32 duration; } test; + + struct { /* anonymous struct used by BPF_*_GET_*_ID */ + union { + __u32 start_id; + __u32 prog_id; + __u32 map_id; + }; + __u32 next_id; + }; + + struct { /* anonymous struct used by BPF_OBJ_GET_INFO_BY_FD */ + __u32 bpf_fd; + __u32 info_len; + __aligned_u64 info; + } info; } __attribute__((aligned(8))); /* BPF helper function descriptions: @@ -673,4 +693,25 @@ struct xdp_md { __u32 data_end; }; +#define BPF_TAG_SIZE 8 + +struct bpf_prog_info { + __u32 type; + __u32 id; + __u8 tag[BPF_TAG_SIZE]; + __u32 jited_prog_len; + __u32 xlated_prog_len; + __aligned_u64 jited_prog_insns; + __aligned_u64 xlated_prog_insns; +} __attribute__((aligned(8))); + +struct bpf_map_info { + __u32 type; + __u32 id; + __u32 key_size; + __u32 value_size; + __u32 max_entries; + __u32 map_flags; +} __attribute__((aligned(8))); + #endif /* _UAPI__LINUX_BPF_H__ */ |