summaryrefslogtreecommitdiffstats
path: root/net/core
diff options
context:
space:
mode:
authorAndrey Ignatov <rdna@fb.com>2020-06-19 14:11:44 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2020-06-22 22:22:58 +0200
commit2872e9ac33a4440173418147351ed4f93177e763 (patch)
treed6e1d303efc0b0ce2e4cdefeca4403ddecc08a1d /net/core
parent41c48f3a98231738c5ce79f6f2aa6e40ba924d18 (diff)
downloadlinux-2872e9ac33a4440173418147351ed4f93177e763.tar.gz
linux-2872e9ac33a4440173418147351ed4f93177e763.tar.bz2
linux-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.c3
-rw-r--r--net/core/sock_map.c6
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)