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Diffstat (limited to 'include/linux/bpf.h')
-rw-r--r--include/linux/bpf.h30
1 files changed, 19 insertions, 11 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index c6d9f2c444f4..fc5c901c7542 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -292,6 +292,7 @@ enum bpf_arg_type {
ARG_PTR_TO_ALLOC_MEM, /* pointer to dynamically allocated memory */
ARG_PTR_TO_ALLOC_MEM_OR_NULL, /* pointer to dynamically allocated memory or NULL */
ARG_CONST_ALLOC_SIZE_OR_ZERO, /* number of allocated bytes requested */
+ __BPF_ARG_TYPE_MAX,
};
/* type of values returned from helper functions */
@@ -326,12 +327,16 @@ struct bpf_func_proto {
};
enum bpf_arg_type arg_type[5];
};
- int *btf_id; /* BTF ids of arguments */
- bool (*check_btf_id)(u32 btf_id, u32 arg); /* if the argument btf_id is
- * valid. Often used if more
- * than one btf id is permitted
- * for this argument.
- */
+ union {
+ struct {
+ u32 *arg1_btf_id;
+ u32 *arg2_btf_id;
+ u32 *arg3_btf_id;
+ u32 *arg4_btf_id;
+ u32 *arg5_btf_id;
+ };
+ u32 *arg_btf_id[5];
+ };
int *ret_btf_id; /* return value btf_id */
bool (*allowed)(const struct bpf_prog *prog);
};
@@ -697,16 +702,19 @@ enum bpf_jit_poke_reason {
/* Descriptor of pokes pointing /into/ the JITed image. */
struct bpf_jit_poke_descriptor {
- void *ip;
+ void *tailcall_target;
+ void *tailcall_bypass;
+ void *bypass_addr;
union {
struct {
struct bpf_map *map;
u32 key;
} tail_call;
};
- bool ip_stable;
+ bool tailcall_target_stable;
u8 adj_off;
u16 reason;
+ u32 insn_idx;
};
/* reg_type info for ctx arguments */
@@ -737,6 +745,7 @@ struct bpf_prog_aux {
bool attach_btf_trace; /* true if attaching to BTF-enabled raw tp */
bool func_proto_unreliable;
bool sleepable;
+ bool tail_call_reachable;
enum bpf_tramp_prog_type trampoline_prog_type;
struct bpf_trampoline *trampoline;
struct hlist_node tramp_hlist;
@@ -751,6 +760,7 @@ struct bpf_prog_aux {
struct bpf_ksym ksym;
const struct bpf_prog_ops *ops;
struct bpf_map **used_maps;
+ struct mutex used_maps_mutex; /* mutex for used_maps and used_map_cnt */
struct bpf_prog *prog;
struct user_struct *user;
u64 load_time; /* ns since boottime */
@@ -1380,8 +1390,6 @@ int btf_struct_access(struct bpf_verifier_log *log,
u32 *next_btf_id);
bool btf_struct_ids_match(struct bpf_verifier_log *log,
int off, u32 id, u32 need_type_id);
-int btf_resolve_helper_id(struct bpf_verifier_log *log,
- const struct bpf_func_proto *fn, int);
int btf_distill_func_proto(struct bpf_verifier_log *log,
struct btf *btf,
@@ -1900,6 +1908,6 @@ int bpf_arch_text_poke(void *ip, enum bpf_text_poke_type t,
void *addr1, void *addr2);
struct btf_id_set;
-bool btf_id_set_contains(struct btf_id_set *set, u32 id);
+bool btf_id_set_contains(const struct btf_id_set *set, u32 id);
#endif /* _LINUX_BPF_H */