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Helper Function 'bpf_xdp_load_bytes' |
This page documents the 'bpf_xdp_load_bytes' eBPF helper function, including its defintion, usage, program types that can use it, and examples. |
Copyright (c) 2015 The Libbpf Authors. All rights reserved.
This helper is provided as an easy way to load data from a xdp buffer. It can be used to load len bytes from offset from the frame associated to xdp_md, into the buffer pointed by buf.
0 on success, or a negative error in case of failure.
#!c static long (* const bpf_xdp_load_bytes)(struct xdp_md *xdp_md, __u32 offset, void *buf, __u32 len) = (void *) 189;
!!! example "Docs could be improved" This part of the docs is incomplete, contributions are very welcome
This helper call can be used in the following program types:
!!! example "Docs could be improved" This part of the docs is incomplete, contributions are very welcome