bpf: offload: report device information about offloaded maps

Tell user space about device on which the map was created.
Unfortunate reality of user ABI makes sharing this code
with program offload difficult but the information is the
same.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 025b1c2f8053..66df387106de 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -586,6 +586,8 @@ void bpf_prog_offload_destroy(struct bpf_prog *prog);
 int bpf_prog_offload_info_fill(struct bpf_prog_info *info,
                                struct bpf_prog *prog);
 
+int bpf_map_offload_info_fill(struct bpf_map_info *info, struct bpf_map *map);
+
 int bpf_map_offload_lookup_elem(struct bpf_map *map, void *key, void *value);
 int bpf_map_offload_update_elem(struct bpf_map *map,
                                 void *key, void *value, u64 flags);