Function bpf_ioctl_getzmax

freebsd/net/bpf.c:528–535

}

static int
bpf_ioctl_getzmax(struct thread *td, struct bpf_d *d, size_t *i)
{

	if (d->bd_bufmode != BPF_BUFMODE_ZBUF)
		return (EOPNOTSUPP);
	return (bpf_zerocopy_ioctl_getzmax(td, d, i));
}

static int
bpf_ioctl_rotzbuf(struct thread *td, struct bpf_d *d, struct bpf_zbuf *bz)