298 lines
13 KiB
C
298 lines
13 KiB
C
/*
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* SPDX-License-Identifier: LicenseRef-CSSL-1.0
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*/
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#include "rrc_proto.h"
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#include "common/utils/bits.h"
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static bool check_resourcesForInterference(const NR_CSI_MeasConfig_t *meas, NR_CSI_ResourceConfigId_t res_id, bool is_CSIIM)
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{
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NR_CSI_ResourceConfig_t *res = NULL;
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if (meas->csi_ResourceConfigToAddModList) {
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for (int i = 0; i < meas->csi_ResourceConfigToAddModList->list.count; i++) {
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if (meas->csi_ResourceConfigToAddModList->list.array[i]->csi_ResourceConfigId == res_id)
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res = meas->csi_ResourceConfigToAddModList->list.array[i];
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}
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}
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if (!res) {
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LOG_E(NR_RRC, "No CSI-Resource matching with resourcesForInterference set in report config\n");
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return false;
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} else {
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if (is_CSIIM) {
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if (res->csi_RS_ResourceSetList.present != NR_CSI_ResourceConfig__csi_RS_ResourceSetList_PR_csi_IM_ResourceSetList) {
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LOG_E(NR_RRC, "resourcesForInterference doesn't point to CSI-IM resource\n");
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return false;
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}
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} else {
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if (res->csi_RS_ResourceSetList.present != NR_CSI_ResourceConfig__csi_RS_ResourceSetList_PR_nzp_CSI_RS_SSB
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|| !res->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList) {
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LOG_E(NR_RRC, "NZP CSI-RS resourcesForInterference doesn't point to NZP CSI-RS resource\n");
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return false;
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}
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}
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}
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return true;
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}
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static bool check_resourcesForChannelMeasurement(const NR_CSI_MeasConfig_t *meas,
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NR_CSI_ResourceConfigId_t res_id,
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struct NR_CSI_ReportConfig__reportQuantity quantity)
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{
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NR_CSI_ResourceConfig_t *res = NULL;
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if (meas->csi_ResourceConfigToAddModList) {
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for (int i = 0; i < meas->csi_ResourceConfigToAddModList->list.count; i++) {
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if (meas->csi_ResourceConfigToAddModList->list.array[i]->csi_ResourceConfigId == res_id)
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res = meas->csi_ResourceConfigToAddModList->list.array[i];
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}
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}
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if (!res) {
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LOG_E(NR_RRC, "No CSI-Resource matching with resourcesForChannelMeasurement set in report config\n");
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return false;
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} else {
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if (res->csi_RS_ResourceSetList.present != NR_CSI_ResourceConfig__csi_RS_ResourceSetList_PR_nzp_CSI_RS_SSB) {
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LOG_E(NR_RRC, "resourcesForChannelMeasurement doesn't point to CSI-RS-SSB resource\n");
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return false;
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} else {
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if (!res->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList
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&& (quantity.present != NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP
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&& quantity.present != NR_CSI_ReportConfig__reportQuantity_PR_NOTHING
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&& quantity.present != NR_CSI_ReportConfig__reportQuantity_PR_none)) {
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LOG_E(NR_RRC, "resourcesForChannelMeasurement is for CRI measurement but doen't point to an CRI-RS resource\n");
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return false;
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}
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}
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}
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return true;
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}
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static bool check_csi_resourceMapping_consistency(NR_CSI_RS_ResourceMapping_t resourceMapping)
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{
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bool valid = true;
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struct NR_CSI_RS_ResourceMapping__density *density = &resourceMapping.density;
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switch(resourceMapping.frequencyDomainAllocation.present) {
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case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row1:
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if (resourceMapping.nrofPorts != NR_CSI_RS_ResourceMapping__nrofPorts_p1)
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valid = false;
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else if (resourceMapping.cdm_Type != NR_CSI_RS_ResourceMapping__cdm_Type_noCDM)
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valid = false;
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else if (density->present != NR_CSI_RS_ResourceMapping__density_PR_three
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&& density->present != NR_CSI_RS_ResourceMapping__density_PR_NOTHING)
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valid = false;
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break;
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case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row2:
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if (resourceMapping.nrofPorts != NR_CSI_RS_ResourceMapping__nrofPorts_p1)
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valid = false;
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else if (resourceMapping.cdm_Type != NR_CSI_RS_ResourceMapping__cdm_Type_noCDM)
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valid = false;
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else if (density->present != NR_CSI_RS_ResourceMapping__density_PR_dot5
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&& density->present != NR_CSI_RS_ResourceMapping__density_PR_one)
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valid = false;
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break;
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case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row4:
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if (resourceMapping.nrofPorts != NR_CSI_RS_ResourceMapping__nrofPorts_p4)
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valid = false;
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else if (resourceMapping.cdm_Type != NR_CSI_RS_ResourceMapping__cdm_Type_fd_CDM2)
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valid = false;
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else if (density->present != NR_CSI_RS_ResourceMapping__density_PR_one
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&& density->present != NR_CSI_RS_ResourceMapping__density_PR_NOTHING)
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valid = false;
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break;
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case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_other:
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switch(resourceMapping.nrofPorts) {
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case NR_CSI_RS_ResourceMapping__nrofPorts_p1:
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valid = false; // 1 port is row 1 or 2 not other
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break;
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case NR_CSI_RS_ResourceMapping__nrofPorts_p2:
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if (resourceMapping.cdm_Type != NR_CSI_RS_ResourceMapping__cdm_Type_fd_CDM2)
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valid = false;
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else if (density->present != NR_CSI_RS_ResourceMapping__density_PR_dot5
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&& density->present != NR_CSI_RS_ResourceMapping__density_PR_one)
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valid = false;
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break;
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case NR_CSI_RS_ResourceMapping__nrofPorts_p4:
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// row 5 -> l0+1
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if (resourceMapping.firstOFDMSymbolInTimeDomain == 13)
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valid = false;
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else if (resourceMapping.cdm_Type != NR_CSI_RS_ResourceMapping__cdm_Type_fd_CDM2)
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valid = false;
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else if (density->present != NR_CSI_RS_ResourceMapping__density_PR_one
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&& density->present != NR_CSI_RS_ResourceMapping__density_PR_NOTHING)
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valid = false;
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break;
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case NR_CSI_RS_ResourceMapping__nrofPorts_p8: {
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uint32_t freq32 = 0;
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freq32 = (uint32_t)BIT_STRING_to_uint8(&resourceMapping.frequencyDomainAllocation.choice.other);
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if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2 || count_bits(&freq32, 1) != 4) {
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// row 7 and 8 -> l0+1
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if (resourceMapping.firstOFDMSymbolInTimeDomain == 13)
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valid = false;
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}
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if (resourceMapping.cdm_Type != NR_CSI_RS_ResourceMapping__cdm_Type_fd_CDM2
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&& resourceMapping.cdm_Type != NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
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valid = false;
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else if (density->present != NR_CSI_RS_ResourceMapping__density_PR_one
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&& density->present != NR_CSI_RS_ResourceMapping__density_PR_NOTHING)
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valid = false;
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break;
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}
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case NR_CSI_RS_ResourceMapping__nrofPorts_p12:
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if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2) {
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// row 10 -> l0+1
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if (resourceMapping.firstOFDMSymbolInTimeDomain == 13)
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valid = false;
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} else if (resourceMapping.cdm_Type != NR_CSI_RS_ResourceMapping__cdm_Type_fd_CDM2)
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valid = false;
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else if (density->present != NR_CSI_RS_ResourceMapping__density_PR_one
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&& density->present != NR_CSI_RS_ResourceMapping__density_PR_NOTHING)
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valid = false;
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break;
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case NR_CSI_RS_ResourceMapping__nrofPorts_p16:
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// l0 + 1 in all cases
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if (resourceMapping.firstOFDMSymbolInTimeDomain == 13)
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valid = false;
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else if (resourceMapping.cdm_Type != NR_CSI_RS_ResourceMapping__cdm_Type_fd_CDM2
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&& resourceMapping.cdm_Type != NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
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valid = false;
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else if (density->present != NR_CSI_RS_ResourceMapping__density_PR_dot5
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&& density->present != NR_CSI_RS_ResourceMapping__density_PR_one)
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valid = false;
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case NR_CSI_RS_ResourceMapping__nrofPorts_p24:
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case NR_CSI_RS_ResourceMapping__nrofPorts_p32:
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if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_noCDM)
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valid = false;
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else if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2
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|| resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_fd_CDM2) {
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// row 13, 14 and 16, 17 -> l0+1 and l1 (which should be larger than l0+1
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if (resourceMapping.firstOFDMSymbolInTimeDomain == 13)
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valid = false;
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if (!resourceMapping.firstOFDMSymbolInTimeDomain2
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|| *resourceMapping.firstOFDMSymbolInTimeDomain2 <= resourceMapping.firstOFDMSymbolInTimeDomain + 1)
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valid = false;
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} else {
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// row 15 and 18 -> l0+3
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if (resourceMapping.firstOFDMSymbolInTimeDomain > 10)
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valid = false;
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}
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if (valid
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&& (density->present != NR_CSI_RS_ResourceMapping__density_PR_dot5
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&& density->present != NR_CSI_RS_ResourceMapping__density_PR_one))
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valid = false;
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break;
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default:
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valid = false;
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}
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break;
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default:
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valid = false;
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}
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if (!valid)
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return false;
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return true;
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}
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bool check_csi_report_consistency(const NR_CSI_MeasConfig_t *meas)
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{
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if (!meas || !meas->csi_ReportConfigToAddModList)
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return true;
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for (int i = 0; i < meas->csi_ReportConfigToAddModList->list.count; i++) {
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NR_CSI_ReportConfig_t *csirep = meas->csi_ReportConfigToAddModList->list.array[i];
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if (!check_resourcesForChannelMeasurement(meas, csirep->resourcesForChannelMeasurement, csirep->reportQuantity))
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return false;
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if (csirep->csi_IM_ResourcesForInterference) {
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if (!check_resourcesForInterference(meas, *csirep->csi_IM_ResourcesForInterference, true))
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return false;
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}
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if (csirep->nzp_CSI_RS_ResourcesForInterference) {
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if (!check_resourcesForInterference(meas, *csirep->nzp_CSI_RS_ResourcesForInterference, false))
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return false;
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}
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}
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return true;
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}
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static bool check_csi_resource_consistency(const NR_CSI_MeasConfig_t *meas)
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{
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if (!meas || !meas->nzp_CSI_RS_ResourceToAddModList)
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return true;
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for (int i = 0; i < meas->nzp_CSI_RS_ResourceToAddModList->list.count; i++) {
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NR_NZP_CSI_RS_Resource_t *res = meas->nzp_CSI_RS_ResourceToAddModList->list.array[i];
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if (!check_csi_resourceMapping_consistency(res->resourceMapping))
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return false;
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}
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return true;
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}
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static bool check_csi_MeasConfig(struct NR_SetupRelease_CSI_MeasConfig *csi_MeasConfig)
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{
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const NR_CSI_MeasConfig_t *meas = csi_MeasConfig->choice.setup;
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if (!check_csi_resource_consistency(meas))
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return false;
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return true;
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}
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static bool check_srs_config(NR_SRS_Config_t *srs_Config)
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{
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if (srs_Config->srs_ResourceToAddModList) {
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for (int i = 0; i < srs_Config->srs_ResourceToAddModList->list.count; i++) {
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NR_SRS_Resource_t *res = srs_Config->srs_ResourceToAddModList->list.array[i];
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int start = NR_SYMBOLS_PER_SLOT - res->resourceMapping.startPosition - 1;
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int num = 1 << res->resourceMapping.nrofSymbols;
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if (start + num > NR_SYMBOLS_PER_SLOT) {
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LOG_E(NR_RRC, "The configured SRS resource exceeds the slot boundary\n");
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return false;
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}
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}
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}
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return true;
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}
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static bool check_ul_bwp_config(NR_BWP_UplinkDedicated_t *bwp_Config)
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{
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if (bwp_Config->srs_Config && bwp_Config->srs_Config->choice.setup) {
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if (!check_srs_config(bwp_Config->srs_Config->choice.setup))
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return false;
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}
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return true;
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}
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bool check_cellgroup_config(const NR_CellGroupConfig_t *cgConfig)
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{
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if (cgConfig->spCellConfig && cgConfig->spCellConfig->spCellConfigDedicated) {
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NR_ServingCellConfig_t *spCellConfigDedicated = cgConfig->spCellConfig->spCellConfigDedicated;
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if (spCellConfigDedicated->csi_MeasConfig) {
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if (!check_csi_MeasConfig(spCellConfigDedicated->csi_MeasConfig))
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return false;
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}
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if (spCellConfigDedicated->uplinkConfig) {
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NR_UplinkConfig_t *ul_Config = spCellConfigDedicated->uplinkConfig;
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if (ul_Config->initialUplinkBWP) {
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if (!check_ul_bwp_config(ul_Config->initialUplinkBWP))
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return false;
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}
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if (ul_Config->uplinkBWP_ToAddModList) {
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for (int i = 0; i < ul_Config->uplinkBWP_ToAddModList->list.count; i++) {
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NR_BWP_Uplink_t *ul_bwp = ul_Config->uplinkBWP_ToAddModList->list.array[i];
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if (ul_bwp->bwp_Dedicated) {
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if (!check_ul_bwp_config(ul_bwp->bwp_Dedicated))
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return false;
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}
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}
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}
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}
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}
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if (cgConfig->ext1 && cgConfig->ext1->reportUplinkTxDirectCurrent) {
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LOG_E(NR_RRC, "Reporting of UplinkTxDirectCurrent not implemented\n");
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return false;
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}
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if (cgConfig->sCellToReleaseList) {
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LOG_E(NR_RRC, "Secondary serving cell release not implemented\n");
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return false;
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}
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if (cgConfig->sCellToAddModList) {
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LOG_E(NR_RRC, "Secondary serving cell addition not implemented\n");
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return false;
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}
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return true;
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}
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