5 * Initializes an skb-type dynptr
9 extern int bpf_dynptr_from_skb(struct __sk_buff *skb, __u64 flags,
10 struct bpf_dynptr *ptr__uninit) __ksym;
13 * Initializes an xdp-type dynptr
17 extern int bpf_dynptr_from_xdp(struct xdp_md *xdp, __u64 flags,
18 struct bpf_dynptr *ptr__uninit) __ksym;
21 * Obtain a read-only pointer to the dynptr's data
23 * Either a direct pointer to the dynptr data or a pointer to the user-provided
24 * buffer if unable to obtain a direct pointer
26 extern void *bpf_dynptr_slice(const struct bpf_dynptr *ptr, __u32 offset,
27 void *buffer, __u32 buffer__szk) __ksym;
30 * Obtain a read-write pointer to the dynptr's data
32 * Either a direct pointer to the dynptr data or a pointer to the user-provided
33 * buffer if unable to obtain a direct pointer
35 extern void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *ptr, __u32 offset,
36 void *buffer, __u32 buffer__szk) __ksym;
38 extern int bpf_dynptr_adjust(const struct bpf_dynptr *ptr, __u32 start, __u32 end) __ksym;
39 extern bool bpf_dynptr_is_null(const struct bpf_dynptr *ptr) __ksym;
40 extern int bpf_dynptr_is_rdonly(const struct bpf_dynptr *ptr) __ksym;
41 extern __u32 bpf_dynptr_size(const struct bpf_dynptr *ptr) __ksym;
42 extern int bpf_dynptr_clone(const struct bpf_dynptr *ptr, struct bpf_dynptr *clone__init) __ksym;