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Diffstat (limited to 'include/linux/bpf-cgroup.h')
-rw-r--r--include/linux/bpf-cgroup.h20
1 files changed, 19 insertions, 1 deletions
diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h
index 7e0c9a1d48b7..588dd5f0bd85 100644
--- a/include/linux/bpf-cgroup.h
+++ b/include/linux/bpf-cgroup.h
@@ -37,7 +37,10 @@ struct bpf_storage_buffer {
};
struct bpf_cgroup_storage {
- struct bpf_storage_buffer *buf;
+ union {
+ struct bpf_storage_buffer *buf;
+ void __percpu *percpu_buf;
+ };
struct bpf_cgroup_storage_map *map;
struct bpf_cgroup_storage_key key;
struct list_head list;
@@ -109,6 +112,9 @@ int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor,
static inline enum bpf_cgroup_storage_type cgroup_storage_type(
struct bpf_map *map)
{
+ if (map->map_type == BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE)
+ return BPF_CGROUP_STORAGE_PERCPU;
+
return BPF_CGROUP_STORAGE_SHARED;
}
@@ -131,6 +137,10 @@ void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage);
int bpf_cgroup_storage_assign(struct bpf_prog *prog, struct bpf_map *map);
void bpf_cgroup_storage_release(struct bpf_prog *prog, struct bpf_map *map);
+int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value);
+int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key,
+ void *value, u64 flags);
+
/* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */
#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \
({ \
@@ -285,6 +295,14 @@ static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(
struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return 0; }
static inline void bpf_cgroup_storage_free(
struct bpf_cgroup_storage *storage) {}
+static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key,
+ void *value) {
+ return 0;
+}
+static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map,
+ void *key, void *value, u64 flags) {
+ return 0;
+}
#define cgroup_bpf_enabled (0)
#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0)