[PATCH bpf-next v2 0/3] samples: bpf: Refactor XDP programs with libbpf

To avoid confusion caused by the increasing fragmentation of the BPF Loader program, this commit would like to convert the previous bpf_load loader with the libbpf loader. Thanks to libbpf's bpf_link interface, managing the tracepoint BPF program is much easier. bpf_program__attach_tracepoint mana

[PATCH bpf-next v2 0/3] samples: bpf: Refactor XDP programs with libbpf

To avoid confusion caused by the increasing fragmentation of the BPF Loader program, this commit would like to convert the previous bpf_load loader with the libbpf loader. Thanks to libbpf's bpf_link interface, managing the tracepoint BPF program is much easier. bpf_program__attach_tracepoint mana