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| author |   Martin KaFai Lau <kafai@fb.com> | 2017-09-27 14:37:53 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-09-29 06:17:05 +0100 |
| commit | ad5b177bd73f5107d97c36f56395c4281fb6f089 (patch) | |
| tree | 90f03bf2a9ce3370d0979524a10784bce7714042 /include/uapi/linux | |
| parent | bpf: Add name, load_time, uid and map_ids to bpf_prog_info (diff) | |
| download | linux-dev-ad5b177bd73f5107d97c36f56395c4281fb6f089.tar.xz linux-dev-ad5b177bd73f5107d97c36f56395c4281fb6f089.zip | |
bpf: Add map_name to bpf_map_info
This patch allows userspace to specify a name for a map
during BPF_MAP_CREATE.
The map's name can later be exported to user space
via BPF_OBJ_GET_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 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/bpf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index bd6348269bf5..6d2137b4cf38 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -190,6 +190,7 @@ union bpf_attr { __u32 numa_node; /* numa node (effective only if * BPF_F_NUMA_NODE is set). */ + __u8 map_name[BPF_OBJ_NAME_LEN]; }; struct { /* anonymous struct used by BPF_MAP_*_ELEM commands */ @@ -829,6 +830,7 @@ struct bpf_map_info { __u32 value_size; __u32 max_entries; __u32 map_flags; + __u8 name[BPF_OBJ_NAME_LEN]; } __attribute__((aligned(8))); /* User bpf_sock_ops struct to access socket values and specify request ops |