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Diffstat (limited to 'include/linux/bpf.h')
-rw-r--r--include/linux/bpf.h81
1 files changed, 55 insertions, 26 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 8357be349133..40c5e206ecf2 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -781,6 +781,32 @@ struct bpf_array_aux {
struct work_struct work;
};
+struct bpf_link {
+ atomic64_t refcnt;
+ u32 id;
+ enum bpf_link_type type;
+ const struct bpf_link_ops *ops;
+ struct bpf_prog *prog;
+ struct work_struct work;
+};
+
+struct bpf_link_ops {
+ void (*release)(struct bpf_link *link);
+ void (*dealloc)(struct bpf_link *link);
+ int (*update_prog)(struct bpf_link *link, struct bpf_prog *new_prog,
+ struct bpf_prog *old_prog);
+ void (*show_fdinfo)(const struct bpf_link *link, struct seq_file *seq);
+ int (*fill_link_info)(const struct bpf_link *link,
+ struct bpf_link_info *info);
+};
+
+struct bpf_link_primer {
+ struct bpf_link *link;
+ struct file *file;
+ int fd;
+ u32 id;
+};
+
struct bpf_struct_ops_value;
struct btf_type;
struct btf_member;
@@ -1164,32 +1190,6 @@ static inline bool bpf_bypass_spec_v4(void)
int bpf_map_new_fd(struct bpf_map *map, int flags);
int bpf_prog_new_fd(struct bpf_prog *prog);
-struct bpf_link {
- atomic64_t refcnt;
- u32 id;
- enum bpf_link_type type;
- const struct bpf_link_ops *ops;
- struct bpf_prog *prog;
- struct work_struct work;
-};
-
-struct bpf_link_primer {
- struct bpf_link *link;
- struct file *file;
- int fd;
- u32 id;
-};
-
-struct bpf_link_ops {
- void (*release)(struct bpf_link *link);
- void (*dealloc)(struct bpf_link *link);
- int (*update_prog)(struct bpf_link *link, struct bpf_prog *new_prog,
- struct bpf_prog *old_prog);
- void (*show_fdinfo)(const struct bpf_link *link, struct seq_file *seq);
- int (*fill_link_info)(const struct bpf_link *link,
- struct bpf_link_info *info);
-};
-
void bpf_link_init(struct bpf_link *link, enum bpf_link_type type,
const struct bpf_link_ops *ops, struct bpf_prog *prog);
int bpf_link_prime(struct bpf_link *link, struct bpf_link_primer *primer);
@@ -1401,6 +1401,35 @@ static inline void __bpf_prog_uncharge(struct user_struct *user, u32 pages)
{
}
+static inline void bpf_link_init(struct bpf_link *link, enum bpf_link_type type,
+ const struct bpf_link_ops *ops,
+ struct bpf_prog *prog)
+{
+}
+
+static inline int bpf_link_prime(struct bpf_link *link,
+ struct bpf_link_primer *primer)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int bpf_link_settle(struct bpf_link_primer *primer)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline void bpf_link_cleanup(struct bpf_link_primer *primer)
+{
+}
+
+static inline void bpf_link_inc(struct bpf_link *link)
+{
+}
+
+static inline void bpf_link_put(struct bpf_link *link)
+{
+}
+
static inline int bpf_obj_get_user(const char __user *pathname, int flags)
{
return -EOPNOTSUPP;