79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
#ifndef __BPF_KFUNCS__
|
|
#define __BPF_KFUNCS__
|
|
|
|
struct bpf_sock_addr_kern;
|
|
|
|
/* Description
|
|
* Initializes an skb-type dynptr
|
|
* Returns
|
|
* Error code
|
|
*/
|
|
extern int bpf_dynptr_from_skb(struct __sk_buff *skb, __u64 flags,
|
|
struct bpf_dynptr *ptr__uninit) __ksym __weak;
|
|
|
|
/* Description
|
|
* Initializes an xdp-type dynptr
|
|
* Returns
|
|
* Error code
|
|
*/
|
|
extern int bpf_dynptr_from_xdp(struct xdp_md *xdp, __u64 flags,
|
|
struct bpf_dynptr *ptr__uninit) __ksym __weak;
|
|
|
|
/* Description
|
|
* Obtain a read-only pointer to the dynptr's data
|
|
* Returns
|
|
* Either a direct pointer to the dynptr data or a pointer to the user-provided
|
|
* buffer if unable to obtain a direct pointer
|
|
*/
|
|
extern void *bpf_dynptr_slice(const struct bpf_dynptr *ptr, __u32 offset,
|
|
void *buffer, __u32 buffer__szk) __ksym __weak;
|
|
|
|
/* Description
|
|
* Obtain a read-write pointer to the dynptr's data
|
|
* Returns
|
|
* Either a direct pointer to the dynptr data or a pointer to the user-provided
|
|
* buffer if unable to obtain a direct pointer
|
|
*/
|
|
extern void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *ptr, __u32 offset,
|
|
void *buffer, __u32 buffer__szk) __ksym __weak;
|
|
|
|
extern int bpf_dynptr_adjust(const struct bpf_dynptr *ptr, __u32 start, __u32 end) __ksym __weak;
|
|
extern bool bpf_dynptr_is_null(const struct bpf_dynptr *ptr) __ksym __weak;
|
|
extern bool bpf_dynptr_is_rdonly(const struct bpf_dynptr *ptr) __ksym __weak;
|
|
extern __u32 bpf_dynptr_size(const struct bpf_dynptr *ptr) __ksym __weak;
|
|
extern int bpf_dynptr_clone(const struct bpf_dynptr *ptr, struct bpf_dynptr *clone__init) __ksym __weak;
|
|
|
|
/* Description
|
|
* Modify the address of a AF_UNIX sockaddr.
|
|
* Returns__bpf_kfunc
|
|
* -EINVAL if the address size is too big or, 0 if the sockaddr was successfully modified.
|
|
*/
|
|
extern int bpf_sock_addr_set_sun_path(struct bpf_sock_addr_kern *sa_kern,
|
|
const __u8 *sun_path, __u32 sun_path__sz) __ksym;
|
|
|
|
/* Description
|
|
* Allocate and configure a reqsk and link it with a listener and skb.
|
|
* Returns
|
|
* Error code
|
|
*/
|
|
struct sock;
|
|
struct bpf_tcp_req_attrs;
|
|
extern int bpf_sk_assign_tcp_reqsk(struct __sk_buff *skb, struct sock *sk,
|
|
struct bpf_tcp_req_attrs *attrs, int attrs__sz) __ksym;
|
|
|
|
void *bpf_cast_to_kern_ctx(void *) __ksym;
|
|
|
|
extern void *bpf_rdonly_cast(const void *obj, __u32 btf_id) __ksym __weak;
|
|
|
|
extern int bpf_get_file_xattr(struct file *file, const char *name,
|
|
struct bpf_dynptr *value_ptr) __ksym;
|
|
extern int bpf_get_fsverity_digest(struct file *file, struct bpf_dynptr *digest_ptr) __ksym;
|
|
|
|
extern struct bpf_key *bpf_lookup_user_key(__u32 serial, __u64 flags) __ksym;
|
|
extern struct bpf_key *bpf_lookup_system_key(__u64 id) __ksym;
|
|
extern void bpf_key_put(struct bpf_key *key) __ksym;
|
|
extern int bpf_verify_pkcs7_signature(struct bpf_dynptr *data_ptr,
|
|
struct bpf_dynptr *sig_ptr,
|
|
struct bpf_key *trusted_keyring) __ksym;
|
|
#endif
|