Can you please clarify:
+static enum smi_action
+handle_opa_smi(struct ib_mad_port_private *port_priv,
+ struct ib_mad_qp_info *qp_info,
+ struct ib_wc *wc,
+ int port_num,
+ struct ib_mad_private *recv,
+ struct ib_mad_private *response) {
+enum smi_forward_action retsmi;
+
+if (opa_smi_handle_dr_smp_recv(&recv->mad.opa_smp,
+ port_priv->device->node_type,
+ port_num,
+ port_priv->device->phys_port_cnt) ==
+ IB_SMI_DISCARD)
+return IB_SMI_DISCARD;
+
+retsmi = opa_smi_check_forward_dr_smp(&recv->mad.opa_smp);
+if (retsmi == IB_SMI_LOCAL)
+return IB_SMI_HANDLE;
+
+if (retsmi == IB_SMI_SEND) { /* don't forward */
+if (opa_smi_handle_dr_smp_send(&recv->mad.opa_smp,
+ port_priv->device->node_type,
+ port_num) == IB_SMI_DISCARD)
+return IB_SMI_DISCARD;
+
+if (opa_smi_check_local_smp(&recv->mad.opa_smp, port_priv->device) ==
IB_SMI_DISCARD)
+return IB_SMI_DISCARD;
+
+} else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) {
+/* forward case for switches */
+memcpy(response, recv, sizeof(*response));
+response->header.recv_wc.wc = &response->header.wc;
+response->header.recv_wc.recv_buf.opa_mad = &response->mad.opa_mad;
+response->header.recv_wc.recv_buf.grh = &response->grh;
+
+agent_send_response((struct ib_mad *)&response->mad.mad,
+ &response->grh, wc,
+ port_priv->device,
+ opa_smi_get_fwd_port(&recv->mad.opa_smp),
+ qp_info->qp->qp_num,
+ recv->header.wc.byte_len,
+ 1);
+
+return IB_SMI_DISCARD;
+}
+
+return IB_SMI_HANDLE;
+}
+
Why do you have RDMA_NODE_IB_SWITCH related stuff inside the handle_opa_smi()
function?
Is there a node type of "switch" in OPA similar to IB?
Thanks,
Suri
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