diff options
| author |   Andrey Ignatov <rdna@fb.com> | 2020-06-19 14:11:44 -0700 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2020-06-22 22:22:58 +0200 |
| commit | 2872e9ac33a4440173418147351ed4f93177e763 (patch) | |
| tree | d6e1d303efc0b0ce2e4cdefeca4403ddecc08a1d /net/core | |
| parent | bpf: Support access to bpf map fields (diff) | |
| download | linux-dev-2872e9ac33a4440173418147351ed4f93177e763.tar.xz linux-dev-2872e9ac33a4440173418147351ed4f93177e763.zip | |
bpf: Set map_btf_{name, id} for all map types
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
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/bpf_sk_storage.c | 3 | ||||
| -rw-r--r-- | net/core/sock_map.c | 6 |
2 files changed, 9 insertions, 0 deletions
diff --git a/net/core/bpf_sk_storage.c b/net/core/bpf_sk_storage.c index 1dae4b543243..6f921c4ddc2c 100644 --- a/net/core/bpf_sk_storage.c +++ b/net/core/bpf_sk_storage.c @@ -919,6 +919,7 @@ BPF_CALL_2(bpf_sk_storage_delete, struct bpf_map *, map, struct sock *, sk) return -ENOENT; } +static int sk_storage_map_btf_id; const struct bpf_map_ops sk_storage_map_ops = { .map_alloc_check = bpf_sk_storage_map_alloc_check, .map_alloc = bpf_sk_storage_map_alloc, @@ -928,6 +929,8 @@ const struct bpf_map_ops sk_storage_map_ops = { .map_update_elem = bpf_fd_sk_storage_update_elem, .map_delete_elem = bpf_fd_sk_storage_delete_elem, .map_check_btf = bpf_sk_storage_map_check_btf, + .map_btf_name = "bpf_sk_storage_map", + .map_btf_id = &sk_storage_map_btf_id, }; const struct bpf_func_proto bpf_sk_storage_get_proto = { diff --git a/net/core/sock_map.c b/net/core/sock_map.c index 2b884f2d562a..4c1123c749bb 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -643,6 +643,7 @@ const struct bpf_func_proto bpf_msg_redirect_map_proto = { .arg4_type = ARG_ANYTHING, }; +static int sock_map_btf_id; const struct bpf_map_ops sock_map_ops = { .map_alloc = sock_map_alloc, .map_free = sock_map_free, @@ -653,6 +654,8 @@ const struct bpf_map_ops sock_map_ops = { .map_lookup_elem = sock_map_lookup, .map_release_uref = sock_map_release_progs, .map_check_btf = map_check_no_btf, + .map_btf_name = "bpf_stab", + .map_btf_id = &sock_map_btf_id, }; struct bpf_shtab_elem { @@ -1176,6 +1179,7 @@ const struct bpf_func_proto bpf_msg_redirect_hash_proto = { .arg4_type = ARG_ANYTHING, }; +static int sock_hash_map_btf_id; const struct bpf_map_ops sock_hash_ops = { .map_alloc = sock_hash_alloc, .map_free = sock_hash_free, @@ -1186,6 +1190,8 @@ const struct bpf_map_ops sock_hash_ops = { .map_lookup_elem_sys_only = sock_hash_lookup_sys, .map_release_uref = sock_hash_release_progs, .map_check_btf = map_check_no_btf, + .map_btf_name = "bpf_shtab", + .map_btf_id = &sock_hash_map_btf_id, }; static struct sk_psock_progs *sock_map_progs(struct bpf_map *map) |