hack: report UL SINR information to activate uplink 16QAM

When receiving an uplink ACK/NACK we send SINR of 20dB
to the libscheduler. If we don't send this information
the scheduler does not activate 16QAM for uplink transmission.

We could do it at any time, this is has been chosen arbitrarily.

openair2/LAYER2/MAC/eNB_scheduler.c

@@ -295,6 +295,28 @@ printf("GOT UPLINK ack %d for rnti %x harq_pid %d (f/sf %d/%d)\n", ack, rnti, ha
   memset(fapi_ul_ack_nack_data[subframe].ack[pos].length, 0, sizeof(int) * MAX_LC_LIST+1);
 
   fapi_ul_ack_nack_data[subframe].count++;
+
+  /* TODO: get proper SINR information
+   * for the moment: let's report a sinr of 20 (arbitrary)
+   * for every RBs
+   */
+  fapi_interface_t                   *fapi = eNB_mac_inst[0 /* TODO: get correct module_id*/].fapi;
+  struct SchedUlCqiInfoReqParameters params;
+  struct UlCqi_s                     cqi;
+  int                                i;
+
+  cqi.rnti          = rnti;
+  for (i = 0; i < 100; i++)
+    cqi.sinr[i]     = 20<<3;
+  cqi.type          = ff_PUSCH;
+  cqi.servCellIndex = 0;         /* TODO: get correct cell index */
+
+  params.sfnSf                 = frame * 16 + subframe;
+  params.nr_ulCqiList          = 1;
+  params.ulCqiList             = &cqi;
+  params.nr_vendorSpecificList = 0;
+  params.vendorSpecificList    = NULL;
+  SchedUlCqiInfoReq(fapi->sched, &params);
 }
 
 /* this function is called by rx_sdu to indicate the number of