+ sfc_mcdi_poll(sa, B_FALSE);
+
+ if (efx_mcdi_get_proxy_handle(sa->nic, emrp, &proxy_handle) == 0) {
+ /*
+ * Authorization is required for the MCDI request;
+ * wait for an MCDI proxy response event to bring
+ * a non-zero proxy handle (should be the same as
+ * the value obtained above) and operation status
+ */
+ sfc_mcdi_poll(sa, B_TRUE);
+
+ if ((mcdi->proxy_handle != 0) &&
+ (mcdi->proxy_handle != proxy_handle)) {
+ sfc_err(sa, "Unexpected MCDI proxy event");
+ emrp->emr_rc = EFAULT;
+ } else if (mcdi->proxy_result == 0) {
+ /*
+ * Authorization succeeded; re-issue the original
+ * request and poll for an ordinary MCDI response
+ */
+ efx_mcdi_request_start(sa->nic, emrp, B_FALSE);
+ sfc_mcdi_poll(sa, B_FALSE);
+ } else {
+ emrp->emr_rc = mcdi->proxy_result;
+ sfc_err(sa, "MCDI proxy authorization failed "
+ "(handle=%08x, result=%d)",
+ proxy_handle, mcdi->proxy_result);
+ }
+ }