head in the data section */ __u64 data_tail; /* user-space written tail */ __u64 data_offset ... buffer size */ __u64 aux_head; __u64 aux_tail; __u64 aux_offset; __u64 aux_sizeused in conjunction with the bpf_tail_call () helper. This means that an eBPF program ... call from kernel side into void bpf_tail_call(void *context, void *prog_map, unsigned