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bpf: Set map_btf_{name, id} for all map types

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Set map_btf_name and map_btf_id for all map types so that map fields can
be accessed by bpf programs.

Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/a825f808f22af52b018dbe82f1c7d29dab5fc978.1592600985.git.rdna@fb.com
This commit is contained in:
Andrey Ignatov
2020-06-19 14:11:44 -07:00
committed by Daniel Borkmann
parent 41c48f3a98
commit 2872e9ac33
14 changed files with 72 additions and 0 deletions
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3
kernel/bpf/bpf_struct_ops.c
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@@ -611,6 +611,7 @@ static struct bpf_map *bpf_struct_ops_map_alloc(union bpf_attr *attr)
return map;
}
static int bpf_struct_ops_map_btf_id;
const struct bpf_map_ops bpf_struct_ops_map_ops = {
.map_alloc_check = bpf_struct_ops_map_alloc_check,
.map_alloc = bpf_struct_ops_map_alloc,
@@ -620,6 +621,8 @@ const struct bpf_map_ops bpf_struct_ops_map_ops = {
.map_delete_elem = bpf_struct_ops_map_delete_elem,
.map_update_elem = bpf_struct_ops_map_update_elem,
.map_seq_show_elem = bpf_struct_ops_map_seq_show_elem,
.map_btf_name = "bpf_struct_ops_map",
.map_btf_id = &bpf_struct_ops_map_btf_id,
};
/* "const void *" because some subsystem is