1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
#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;
/* 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;
/* 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;
/* 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;
extern int bpf_dynptr_adjust(const struct bpf_dynptr *ptr, __u32 start, __u32 end) __ksym;
extern bool bpf_dynptr_is_null(const struct bpf_dynptr *ptr) __ksym;
extern bool bpf_dynptr_is_rdonly(const struct bpf_dynptr *ptr) __ksym;
extern __u32 bpf_dynptr_size(const struct bpf_dynptr *ptr) __ksym;
extern int bpf_dynptr_clone(const struct bpf_dynptr *ptr, struct bpf_dynptr *clone__init) __ksym;
/* 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;
void *bpf_cast_to_kern_ctx(void *) __ksym;
void *bpf_rdonly_cast(void *obj, __u32 btf_id) __ksym;
#endif
|
