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| author | Martin KaFai Lau <kafai@fb.com> | 2018-04-18 15:56:01 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-04-19 21:46:25 +0200 |
| commit | f56a653c1fd13a197076dec4461c656fd2adec73 (patch) | |
| tree | d6ccb94ff2fa8c17a385e4ca29ec6e4b446829a4 /include/uapi/linux/bpf.h | |
| parent | b00b8daec828dd59af7d1f7a42acd6e5867f80c6 (diff) | |
| download | linux-f56a653c1fd13a197076dec4461c656fd2adec73.tar.gz linux-f56a653c1fd13a197076dec4461c656fd2adec73.tar.bz2 linux-f56a653c1fd13a197076dec4461c656fd2adec73.zip | |
bpf: btf: Add BPF_BTF_LOAD command
This patch adds a BPF_BTF_LOAD command which
1) loads and verifies the BTF (implemented in earlier patches)
2) returns a BTF fd to userspace. In the next patch, the
BTF fd can be specified during BPF_MAP_CREATE.
It currently limits to CAP_SYS_ADMIN.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Alexei Starovoitov <ast@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'include/uapi/linux/bpf.h')
| -rw-r--r-- | include/uapi/linux/bpf.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 9a2d1a04eb24..795bcd577750 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -95,6 +95,7 @@ enum bpf_cmd { BPF_OBJ_GET_INFO_BY_FD, BPF_PROG_QUERY, BPF_RAW_TRACEPOINT_OPEN, + BPF_BTF_LOAD, }; enum bpf_map_type { @@ -363,6 +364,14 @@ union bpf_attr { __u64 name; __u32 prog_fd; } raw_tracepoint; + + struct { /* anonymous struct for BPF_BTF_LOAD */ + __aligned_u64 btf; + __aligned_u64 btf_log_buf; + __u32 btf_size; + __u32 btf_log_size; + __u32 btf_log_level; + }; } __attribute__((aligned(8))); /* BPF helper function descriptions: |