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-rw-r--r--include/linux/bpf.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 312983bf7faa..c2f07fd410c1 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -22,6 +22,7 @@ struct bpf_verifier_env;
struct bpf_verifier_log;
struct perf_event;
struct bpf_prog;
+struct bpf_prog_aux;
struct bpf_map;
struct sock;
struct seq_file;
@@ -64,6 +65,12 @@ struct bpf_map_ops {
const struct btf_type *key_type,
const struct btf_type *value_type);
+ /* Prog poke tracking helpers. */
+ int (*map_poke_track)(struct bpf_map *map, struct bpf_prog_aux *aux);
+ void (*map_poke_untrack)(struct bpf_map *map, struct bpf_prog_aux *aux);
+ void (*map_poke_run)(struct bpf_map *map, u32 key, struct bpf_prog *old,
+ struct bpf_prog *new);
+
/* Direct value access helpers. */
int (*map_direct_value_addr)(const struct bpf_map *map,
u64 *imm, u32 off);
@@ -588,6 +595,11 @@ struct bpf_array_aux {
*/
enum bpf_prog_type type;
bool jited;
+ /* Programs with direct jumps into programs part of this array. */
+ struct list_head poke_progs;
+ struct bpf_map *map;
+ struct mutex poke_mutex;
+ struct work_struct work;
};
struct bpf_array {