static void efa_qp_fill_wr_pfns()

in efawin/verbs.c [1014:1064]

• 41 lines of code
• 13 McCabe index (conditional complexity)

static void efa_qp_fill_wr_pfns(struct ibv_qp_ex *ibvqpx,
				struct ibv_qp_init_attr_ex *attr_ex);

static int efa_check_qp_attr(struct efa_context *ctx,
			     struct ibv_qp_init_attr_ex *attr,
			     struct efadv_qp_init_attr *efa_attr)
{
	uint64_t supp_send_ops_mask;
	uint64_t supp_ud_send_ops_mask = IBV_QP_EX_WITH_SEND |
		IBV_QP_EX_WITH_SEND_WITH_IMM;
	uint64_t supp_srd_send_ops_mask =
		IBV_QP_EX_WITH_SEND | IBV_QP_EX_WITH_SEND_WITH_IMM |
		(EFA_DEV_CAP(ctx, RDMA_READ) ? IBV_QP_EX_WITH_RDMA_READ : 0);

#define EFA_CREATE_QP_SUPP_ATTR_MASK \
	(IBV_QP_INIT_ATTR_PD | IBV_QP_INIT_ATTR_SEND_OPS_FLAGS)

	if (attr->qp_type == IBV_QPT_DRIVER &&
	    efa_attr->driver_qp_type != EFADV_QP_DRIVER_TYPE_SRD)
		return EOPNOTSUPP;

	if (!check_comp_mask(attr->comp_mask, EFA_CREATE_QP_SUPP_ATTR_MASK))
		return EOPNOTSUPP;

	if (!(attr->comp_mask & IBV_QP_INIT_ATTR_PD))
		return EINVAL;

	if (attr->comp_mask & IBV_QP_INIT_ATTR_SEND_OPS_FLAGS) {
		switch (attr->qp_type) {
		case IBV_QPT_UD:
			supp_send_ops_mask = supp_ud_send_ops_mask;
			break;
		case IBV_QPT_DRIVER:
			supp_send_ops_mask = supp_srd_send_ops_mask;
			break;
		default:
			return EOPNOTSUPP;
		}

		if (!check_comp_mask(attr->send_ops_flags, supp_send_ops_mask))
			return EOPNOTSUPP;
	}

	if (!attr->recv_cq || !attr->send_cq)
		return EINVAL;

	if (attr->srq)
		return EINVAL;

	return 0;
}