4 struct bpf_sock_addr_kern;
7 * Initializes an skb-type dynptr
11 extern int bpf_dynptr_from_skb(struct __sk_buff *skb, __u64 flags,
12 struct bpf_dynptr *ptr__uninit) __ksym __weak;
15 * Initializes an xdp-type dynptr
19 extern int bpf_dynptr_from_xdp(struct xdp_md *xdp, __u64 flags,
20 struct bpf_dynptr *ptr__uninit) __ksym __weak;
23 * Obtain a read-only pointer to the dynptr's data
25 * Either a direct pointer to the dynptr data or a pointer to the user-provided
26 * buffer if unable to obtain a direct pointer
28 extern void *bpf_dynptr_slice(const struct bpf_dynptr *ptr, __u32 offset,
29 void *buffer, __u32 buffer__szk) __ksym __weak;
32 * Obtain a read-write pointer to the dynptr's data
34 * Either a direct pointer to the dynptr data or a pointer to the user-provided
35 * buffer if unable to obtain a direct pointer
37 extern void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *ptr, __u32 offset,
38 void *buffer, __u32 buffer__szk) __ksym __weak;
40 extern int bpf_dynptr_adjust(const struct bpf_dynptr *ptr, __u32 start, __u32 end) __ksym __weak;
41 extern bool bpf_dynptr_is_null(const struct bpf_dynptr *ptr) __ksym __weak;
42 extern bool bpf_dynptr_is_rdonly(const struct bpf_dynptr *ptr) __ksym __weak;
43 extern __u32 bpf_dynptr_size(const struct bpf_dynptr *ptr) __ksym __weak;
44 extern int bpf_dynptr_clone(const struct bpf_dynptr *ptr, struct bpf_dynptr *clone__init) __ksym __weak;
47 * Modify the address of a AF_UNIX sockaddr.
49 * -EINVAL if the address size is too big or, 0 if the sockaddr was successfully modified.
51 extern int bpf_sock_addr_set_sun_path(struct bpf_sock_addr_kern *sa_kern,
52 const __u8 *sun_path, __u32 sun_path__sz) __ksym;
55 * Allocate and configure a reqsk and link it with a listener and skb.
60 struct bpf_tcp_req_attrs;
61 extern int bpf_sk_assign_tcp_reqsk(struct __sk_buff *skb, struct sock *sk,
62 struct bpf_tcp_req_attrs *attrs, int attrs__sz) __ksym;
64 void *bpf_cast_to_kern_ctx(void *) __ksym;
66 extern void *bpf_rdonly_cast(const void *obj, __u32 btf_id) __ksym __weak;
68 extern int bpf_get_file_xattr(struct file *file, const char *name,
69 struct bpf_dynptr *value_ptr) __ksym;
70 extern int bpf_get_fsverity_digest(struct file *file, struct bpf_dynptr *digest_ptr) __ksym;
72 extern struct bpf_key *bpf_lookup_user_key(__u32 serial, __u64 flags) __ksym;
73 extern struct bpf_key *bpf_lookup_system_key(__u64 id) __ksym;
74 extern void bpf_key_put(struct bpf_key *key) __ksym;
75 extern int bpf_verify_pkcs7_signature(struct bpf_dynptr *data_ptr,
76 struct bpf_dynptr *sig_ptr,
77 struct bpf_key *trusted_keyring) __ksym;
79 extern bool bpf_session_is_return(void) __ksym __weak;
80 extern long *bpf_session_cookie(void) __ksym __weak;