KFunc bpf_dynptr_copy
Copy data from one dynptr to another.
Definition
Copies data from source dynptr to destination dynptr.
Parameters
dst_ptr: Destination dynptr - where data should be copied to
dst_off: Offset into the destination dynptr
src_ptr: Source dynptr - where data should be copied from
src_off: Offset into the source dynptr
size: Length of the data to copy from source to destination
Returns
0 on success; negative error, otherwise.
Signature
int bpf_dynptr_copy(struct bpf_dynptr *dst_ptr, u32 dst_off, struct bpf_dynptr *src_ptr, u32 src_off, u32 size)
Usage
Docs could be improved
This part of the docs is incomplete, contributions are very welcome
Program types
The following program types can make use of this kfunc:
BPF_PROG_TYPE_CGROUP_DEVICEv6.12 -BPF_PROG_TYPE_CGROUP_SKBBPF_PROG_TYPE_CGROUP_SOCKv6.12 -BPF_PROG_TYPE_CGROUP_SOCKOPTv6.12 -BPF_PROG_TYPE_CGROUP_SOCK_ADDRv6.7 -BPF_PROG_TYPE_CGROUP_SYSCTLv6.12 -BPF_PROG_TYPE_LSMBPF_PROG_TYPE_LWT_INBPF_PROG_TYPE_LWT_OUTBPF_PROG_TYPE_LWT_SEG6LOCALBPF_PROG_TYPE_LWT_XMITBPF_PROG_TYPE_NETFILTERBPF_PROG_TYPE_PERF_EVENTv6.12 -BPF_PROG_TYPE_SCHED_ACTBPF_PROG_TYPE_SCHED_CLSBPF_PROG_TYPE_SK_SKBBPF_PROG_TYPE_SOCKET_FILTERBPF_PROG_TYPE_SOCK_OPSv6.15 -BPF_PROG_TYPE_STRUCT_OPSBPF_PROG_TYPE_SYSCALLBPF_PROG_TYPE_TRACEPOINTv6.12 -BPF_PROG_TYPE_TRACINGBPF_PROG_TYPE_XDP
Example
Docs could be improved
This part of the docs is incomplete, contributions are very welcome