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| author | Daniel Borkmann | 2016-10-21 12:46:33 +0200 |
|---|---|---|
| committer | David S. Miller | 2016-10-22 23:05:52 +0200 |
| commit | 2d0e30c30f84d08dc16f0f2af41f1b8a85f0755e (patch) | |
| tree | a58da7082e4dcfea4b7782e72aec65920cfd5905 /include/uapi/linux/bpf.h | |
| parent | Merge branch 'udpmem' (diff) | |
| download | kernel-qcow2-linux-2d0e30c30f84d08dc16f0f2af41f1b8a85f0755e.tar.gz kernel-qcow2-linux-2d0e30c30f84d08dc16f0f2af41f1b8a85f0755e.tar.xz kernel-qcow2-linux-2d0e30c30f84d08dc16f0f2af41f1b8a85f0755e.zip | |
bpf: add helper for retrieving current numa node id
Use case is mainly for soreuseport to select sockets for the local
numa node, but since generic, lets also add this for other networking
and tracing program types.
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux/bpf.h')
| -rw-r--r-- | include/uapi/linux/bpf.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index f09c70b97eca..374ef582ae18 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -426,6 +426,12 @@ enum bpf_func_id { */ BPF_FUNC_set_hash_invalid, + /** + * bpf_get_numa_node_id() + * Returns the id of the current NUMA node. + */ + BPF_FUNC_get_numa_node_id, + __BPF_FUNC_MAX_ID, }; |