#ifndef __BPF_KFUNCS__ #define __BPF_KFUNCS__ /* 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; #endif