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| author | Martin KaFai Lau <kafai@fb.com> | 2017-06-05 22:15:47 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-06 22:41:22 +0300 |
| commit | f3f1c054c288bb6e503005e6d73611151ed20e91 (patch) | |
| tree | ae79e214e4c8ea0d144f69ac8f0bf85b726752c0 /include/linux/bpf.h | |
| parent | dc4bb0e2356149aee4cdae061936f3bbdd45595c (diff) | |
| download | linux-f3f1c054c288bb6e503005e6d73611151ed20e91.tar.xz | |
bpf: Introduce bpf_map ID
This patch generates an unique ID for each created bpf_map.
The approach is similar to the earlier patch for bpf_prog ID.
It is worth to note that the bpf_map's ID and bpf_prog's ID
are in two independent ID spaces and both have the same valid range:
[1, INT_MAX).
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 'include/linux/bpf.h')
| -rw-r--r-- | include/linux/bpf.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index c5946d19f2ca..c32bace66d3d 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -46,6 +46,7 @@ struct bpf_map { u32 max_entries; u32 map_flags; u32 pages; + u32 id; struct user_struct *user; const struct bpf_map_ops *ops; struct work_struct work; |