enic_rq_alloc_buf
err = vnic_rq_fill(&enic->rq[0].vrq, enic_rq_alloc_buf);
err = vnic_rq_fill(&enic->rq[rq].vrq, enic_rq_alloc_buf);
vnic_rq_fill(&enic->rq[i].vrq, enic_rq_alloc_buf);
int enic_rq_alloc_buf(struct vnic_rq *rq);