bpf: offload: allow array map offload
The special handling of different map types is left to the driver.
Allow offload of array maps by simply adding it to accepted types.
For nfp we have to make sure array elements are not deleted.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
diff --git a/kernel/bpf/offload.c b/kernel/bpf/offload.c
index 6c0baa1..2657976 100644
--- a/kernel/bpf/offload.c
+++ b/kernel/bpf/offload.c
@@ -299,7 +299,8 @@ struct bpf_map *bpf_map_offload_map_alloc(union bpf_attr *attr)
if (!capable(CAP_SYS_ADMIN))
return ERR_PTR(-EPERM);
- if (attr->map_type != BPF_MAP_TYPE_HASH)
+ if (attr->map_type != BPF_MAP_TYPE_ARRAY &&
+ attr->map_type != BPF_MAP_TYPE_HASH)
return ERR_PTR(-EINVAL);
offmap = kzalloc(sizeof(*offmap), GFP_USER);
