From d606e73a530c7a1b127cf368379d4839427ea265 Mon Sep 17 00:00:00 2001 From: francescomani Date: Wed, 18 Aug 2021 18:11:04 +0200 Subject: [PATCH] fix PRB allocation for phytest mode --- .../LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c | 2 +- .../LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c | 18 +++++++++++------- 2 files changed, 12 insertions(+), 8 deletions(-) diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c index 7bcb669010..94f49478f7 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c @@ -743,7 +743,7 @@ void nr_fr1_dlsch_preprocessor(module_id_t module_id, frame_t frame, sub_frame_t // calculate mask: init with "NOT" vrb_map: // if any RB in vrb_map is blocked (1), the current RBG will be 0 rballoc_mask[i-BWPStart] = !vrb_map[i]; - n_rb_sched += rballoc_mask[i]; + n_rb_sched += rballoc_mask[i-BWPStart]; } /* Retrieve amount of data to send for this UE */ diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c index 47ccc74612..15bcc19d61 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c @@ -283,6 +283,7 @@ void nr_preprocessor_phytest(module_id_t module_id, NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id]; /* find largest unallocated chunk */ const int bwpSize = NRRIV2BW(sched_ctrl->active_bwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE); + const int BWPStart = NRRIV2PRBOFFSET(sched_ctrl->active_bwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE); int rbStart = 0; int rbSize = 0; if (target_dl_bw>bwpSize) @@ -291,11 +292,11 @@ void nr_preprocessor_phytest(module_id_t module_id, /* loop ensures that we allocate exactly target_dl_bw, or return */ while (true) { /* advance to first free RB */ - while (rbStart < bwpSize && vrb_map[rbStart]) + while (rbStart < bwpSize && vrb_map[rbStart + BWPStart]) rbStart++; rbSize = 1; /* iterate until we are at target_dl_bw or no available RBs */ - while (rbStart + rbSize < bwpSize && !vrb_map[rbStart + rbSize] && rbSize < target_dl_bw) + while (rbStart + rbSize < bwpSize && !vrb_map[rbStart + rbSize + BWPStart] && rbSize < target_dl_bw) rbSize++; /* found target_dl_bw? */ if (rbSize == target_dl_bw) @@ -392,7 +393,7 @@ void nr_preprocessor_phytest(module_id_t module_id, /* mark the corresponding RBs as used */ for (int rb = 0; rb < sched_pdsch->rbSize; rb++) - vrb_map[rb + sched_pdsch->rbStart] = 1; + vrb_map[rb + sched_pdsch->rbStart + BWPStart] = 1; if ((frame&127) == 0) LOG_D(MAC,"phytest: %d.%d DL mcs %d, DL rbStart %d, DL rbSize %d\n", frame, slot, sched_pdsch->mcs, rbStart,rbSize); } @@ -454,8 +455,11 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_ uint16_t rbSize; const int bw = NRRIV2BW(sched_ctrl->active_ubwp ? - sched_ctrl->active_ubwp->bwp_Common->genericParameters.locationAndBandwidth : - scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE); + sched_ctrl->active_ubwp->bwp_Common->genericParameters.locationAndBandwidth : + scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE); + const int BWPStart = NRRIV2PRBOFFSET(sched_ctrl->active_ubwp ? + sched_ctrl->active_ubwp->bwp_Common->genericParameters.locationAndBandwidth : + scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE); if (target_ul_bw>bw) rbSize = bw; @@ -466,7 +470,7 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_ &RC.nrmac[module_id]->common_channels[CC_id].vrb_map_UL[sched_slot * MAX_BWP_SIZE]; const uint16_t symb = ((1 << ps->nrOfSymbols) - 1) << ps->startSymbolIndex; for (int i = rbStart; i < rbStart + rbSize; ++i) { - if ((vrb_map_UL[i] & symb) != 0) { + if ((vrb_map_UL[i+BWPStart] & symb) != 0) { LOG_E(MAC, "%s(): %4d.%2d RB %d is already reserved, cannot schedule UE\n", __func__, @@ -528,6 +532,6 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_ /* mark the corresponding RBs as used */ for (int rb = rbStart; rb < rbStart + rbSize; rb++) - vrb_map_UL[rb] = 1; + vrb_map_UL[rb+BWPStart] = 1; return true; }