Skip to content

O
OpenXG-RAN
Commit 18e51299 authored by Eurecom's avatar Eurecom
Browse files
Options

minor changes for testing

parent f2cd6501
Hide whitespace changes
Inline Side-by-side
Showing with 125 additions and 89 deletions
openair1/PHY/NR_TRANSPORT/nr_dci.c
View file @ 18e51299
......@@ -184,6 +184,7 @@ void nr_generate_dci(PHY_VARS_gNB *gNB,
/*Mapping the encoded DCI along with the DMRS */
for(int symbol_idx = 0; symbol_idx < pdcch_pdu_rel15->DurationSymbols; symbol_idx++) {
int re_idx = 0;
for (int cce_count = 0; cce_count < dci_pdu->AggregationLevel; cce_count+=pdcch_pdu_rel15->DurationSymbols) {
int8_t cce_idx = reg_list_order[cce_count];
......
openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
View file @ 18e51299
......@@ -148,7 +148,7 @@ void nr_pdcch_demapping_deinterleaving(uint32_t *llr,
}
int f_bundle_j_list[NR_MAX_PDCCH_AGG_LEVEL] = {};
int f_bundle_j_list[(2*NR_MAX_PDCCH_AGG_LEVEL) - 1] = {};
for (int reg = 0; reg < coreset_nbr_rb; reg++) {
if ((reg % reg_bundle_size_L) == 0) {
......@@ -170,12 +170,14 @@ void nr_pdcch_demapping_deinterleaving(uint32_t *llr,
// Get cce_list indices by reg_idx in ascending order
int f_bundle_j_list_id = 0;
int f_bundle_j_list_ord[NR_MAX_PDCCH_AGG_LEVEL] = {};
int f_bundle_j_list_ord[(2*NR_MAX_PDCCH_AGG_LEVEL)-1] = {};
for (int c_id = 0; c_id < number_of_candidates; c_id++ ) {
f_bundle_j_list_id = CCE[c_id];
for (int p = 0; p < NR_MAX_PDCCH_AGG_LEVEL; p++) {
for (int p2 = CCE[c_id]; p2 < CCE[c_id] + L[c_id]; p2++) {
AssertFatal(p2<2*NR_MAX_PDCCH_AGG_LEVEL,"number_of_candidates %d : p2 %d, CCE[%d] %d, L[%d] %d\n",number_of_candidates,p2,c_id,CCE[c_id],c_id,L[c_id]);
if (f_bundle_j_list[p2] == p) {
AssertFatal(f_bundle_j_list_id < 2*NR_MAX_PDCCH_AGG_LEVEL,"f_bundle_j_list_id %d\n",f_bundle_j_list_id);
f_bundle_j_list_ord[f_bundle_j_list_id] = p;
f_bundle_j_list_id++;
break;
......@@ -413,7 +415,6 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
* we have to point the pointer at (1+c_rb-N_RB_DL/2) in rxdataF
*/
LOG_DDD("n_BWP_start=%d, coreset_nbr_rb=%d\n",n_BWP_start,coreset_nbr_rb);
int c_rb_by6;
c_rb = 0;
for (int rb=0;rb<coreset_nbr_rb;rb++,c_rb++) {
......@@ -425,7 +426,6 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
c_rb_by6 = c_rb/6;
}
LOG_DDD("c_rb=%d\n",c_rb);
rxF=NULL;
// first we set initial conditions for pointer to rxdataF depending on the situation of the first RB within the CORESET (c_rb = n_BWP_start)
......@@ -547,6 +547,7 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
#endif
#define print_shorts(s,x) printf("%s %d,%d,%d,%d,%d,%d,%d,%d\n",s,(x)[0],(x)[1],(x)[2],(x)[3],(x)[4],(x)[5],(x)[6],(x)[7])
void nr_pdcch_channel_compensation(int32_t **rxdataF_ext,
int32_t **dl_ch_estimates_ext,
......@@ -581,16 +582,15 @@ void nr_pdcch_channel_compensation(int32_t **rxdataF_ext,
#endif
for (rb=0; rb<(coreset_nbr_rb*3)>>2; rb++) {
//printf("rb %d\n",rb);
#if defined(__x86_64__) || defined(__i386__)
// multiply by conjugated channel
mmtmpP0 = _mm_madd_epi16(dl_ch128[0],rxdataF128[0]);
// print_ints("re",&mmtmpP0);
//print_ints("re",&mmtmpP0);
// mmtmpP0 contains real part of 4 consecutive outputs (32-bit)
mmtmpP1 = _mm_shufflelo_epi16(dl_ch128[0],_MM_SHUFFLE(2,3,0,1));
mmtmpP1 = _mm_shufflehi_epi16(mmtmpP1,_MM_SHUFFLE(2,3,0,1));
mmtmpP1 = _mm_sign_epi16(mmtmpP1,*(__m128i *)&conjugate[0]);
// print_ints("im",&mmtmpP1);
//print_ints("im",&mmtmpP1);
mmtmpP1 = _mm_madd_epi16(mmtmpP1,rxdataF128[0]);
// mmtmpP1 contains imag part of 4 consecutive outputs (32-bit)
mmtmpP0 = _mm_srai_epi32(mmtmpP0,output_shift);
......@@ -599,12 +599,12 @@ void nr_pdcch_channel_compensation(int32_t **rxdataF_ext,
// print_ints("im(shift)",&mmtmpP1);
mmtmpP2 = _mm_unpacklo_epi32(mmtmpP0,mmtmpP1);
mmtmpP3 = _mm_unpackhi_epi32(mmtmpP0,mmtmpP1);
// print_ints("c0",&mmtmpP2);
// print_ints("c1",&mmtmpP3);
//print_ints("c0",&mmtmpP2);
//print_ints("c1",&mmtmpP3);
rxdataF_comp128[0] = _mm_packs_epi32(mmtmpP2,mmtmpP3);
//print_shorts("rx:",rxdataF128);
//print_shorts("ch:",dl_ch128);
//print_shorts("pack:",rxdataF_comp128);
// print_shorts("rx:",(int16_t*)rxdataF128);
// print_shorts("ch:",(int16_t*)dl_ch128);
// print_shorts("pack:",(int16_t*)rxdataF_comp128);
// multiply by conjugated channel
mmtmpP0 = _mm_madd_epi16(dl_ch128[1],rxdataF128[1]);
// mmtmpP0 contains real part of 4 consecutive outputs (32-bit)
......@@ -800,7 +800,7 @@ int32_t nr_rx_pdcch(PHY_VARS_NR_UE *ue,
#endif
}
LOG_D(PHY,"we enter nr_pdcch_demapping_deinterleaving()\n");
LOG_D(PHY,"we enter nr_pdcch_demapping_deinterleaving(), number of candidates %d\n",rel15->number_of_candidates);
nr_pdcch_demapping_deinterleaving((uint32_t *) pdcch_vars->llr,
(uint32_t *) pdcch_vars->e_rx,
rel15->coreset.duration,
......
openair1/SIMULATION/NR_PHY/dlsim.c
View file @ 18e51299
......@@ -261,8 +261,8 @@ void nr_dlsim_preprocessor(module_id_t module_id,
uint8_t nr_of_candidates;
find_aggregation_candidates(&sched_ctrl->aggregation_level,
&nr_of_candidates,
sched_ctrl->search_space);
sched_ctrl->coreset = get_coreset(scc, sched_ctrl->active_bwp, sched_ctrl->search_space, target_ss);
sched_ctrl->search_space,4);
sched_ctrl->coreset = get_coreset(scc, sched_ctrl->active_bwp->bwp_Dedicated, sched_ctrl->search_space, target_ss);
sched_ctrl->cce_index = 0;
NR_pdsch_semi_static_t *ps = &sched_ctrl->pdsch_semi_static;
......@@ -270,6 +270,7 @@ void nr_dlsim_preprocessor(module_id_t module_id,
nr_set_pdsch_semi_static(scc,
UE_info->CellGroup[0],
sched_ctrl->active_bwp,
NULL,
/* tda = */ 2,
/* num_dmrs_cdm_grps_no_data = */ 1,
ps);
......@@ -779,9 +780,9 @@ int main(int argc, char **argv)
AssertFatal((gNB->if_inst = NR_IF_Module_init(0))!=NULL,"Cannot register interface");
gNB->if_inst->NR_PHY_config_req = nr_phy_config_request;
// common configuration
rrc_mac_config_req_gNB(0,0, n_tx, n_tx, scc, NULL, 0, 0, NULL);
rrc_mac_config_req_gNB(0,0, n_tx, n_tx, 0, scc, NULL, 0, 0, NULL);
// UE dedicated configuration
rrc_mac_config_req_gNB(0,0, n_tx, n_tx, scc, NULL, 1, secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity,secondaryCellGroup);
rrc_mac_config_req_gNB(0,0, n_tx, n_tx, 0, scc, NULL, 1, secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity,secondaryCellGroup);
// reset preprocessor to the one of DLSIM after it has been set during
// rrc_mac_config_req_gNB
gNB_mac->pre_processor_dl = nr_dlsim_preprocessor;
......@@ -1323,6 +1324,8 @@ int main(int argc, char **argv)
LOG_M("chestF0.m","chF0",&UE->pdsch_vars[0][0]->dl_ch_estimates_ext[0][0],g_rbSize*12*14,1,1);
write_output("rxF_comp.m","rxFc",&UE->pdsch_vars[0][0]->rxdataF_comp0[0][0],N_RB_DL*12*14,1,1);
LOG_M("rxF_llr.m","rxFllr",UE->pdsch_vars[UE_proc.thread_id][0]->llr[0],available_bits,1,0);
LOG_M("pdcch_rxFcomp.m","pdcch_rxFcomp",&UE->pdcch_vars[0][0]->rxdataF_comp[0][0],96*12,1,1);
LOG_M("pdcch_rxFllr.m","pdcch_rxFllr",UE->pdcch_vars[0][0]->llr,96*12,1,1);
break;
}
......
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
View file @ 18e51299
......@@ -1287,36 +1287,41 @@ int64_t *get_prach_config_info(frequency_range_t freq_range,
void find_aggregation_candidates(uint8_t *aggregation_level,
uint8_t *nr_of_candidates,
NR_SearchSpace_t *ss,
int maxL) {
AssertFatal(maxL>=1,"maxL %d not ok\n",maxL);
if (ss->nrofCandidates->aggregationLevel1 != NR_SearchSpace__nrofCandidates__aggregationLevel1_n0) {
*aggregation_level = 1;
*nr_of_candidates = ss->nrofCandidates->aggregationLevel1;
}
if (maxL == 1) return;
if (ss->nrofCandidates->aggregationLevel2 != NR_SearchSpace__nrofCandidates__aggregationLevel2_n0) {
*aggregation_level = 2;
*nr_of_candidates = ss->nrofCandidates->aggregationLevel2;
}
if (maxL == 2) return;
if (ss->nrofCandidates->aggregationLevel4 != NR_SearchSpace__nrofCandidates__aggregationLevel4_n0) {
*aggregation_level = 4;
*nr_of_candidates = ss->nrofCandidates->aggregationLevel4;
}
if (maxL == 4) return;
if (ss->nrofCandidates->aggregationLevel8 != NR_SearchSpace__nrofCandidates__aggregationLevel8_n0) {
*aggregation_level = 8;
*nr_of_candidates = ss->nrofCandidates->aggregationLevel8;
}
if (maxL == 8) return;
if (ss->nrofCandidates->aggregationLevel16 != NR_SearchSpace__nrofCandidates__aggregationLevel16_n0) {
*aggregation_level = 16;
*nr_of_candidates = ss->nrofCandidates->aggregationLevel16;
}
// n8 does not correspont to a value of 8 but 7, the following corrects this
if(*nr_of_candidates == 7)
*nr_of_candidates = 8;
int L) {
AssertFatal(L>=1 && L<=16,"L %d not ok\n",L);
*nr_of_candidates = 0;
switch(L) {
case 1:
if (ss->nrofCandidates->aggregationLevel1 != NR_SearchSpace__nrofCandidates__aggregationLevel1_n0) {
*aggregation_level = 1;
*nr_of_candidates = ss->nrofCandidates->aggregationLevel1;
}
break;
case 2:
if (ss->nrofCandidates->aggregationLevel2 != NR_SearchSpace__nrofCandidates__aggregationLevel2_n0) {
*aggregation_level = 2;
*nr_of_candidates = ss->nrofCandidates->aggregationLevel2;
}
break;
case 4:
if (ss->nrofCandidates->aggregationLevel4 != NR_SearchSpace__nrofCandidates__aggregationLevel4_n0) {
*aggregation_level = 4;
*nr_of_candidates = ss->nrofCandidates->aggregationLevel4;
}
break;
case 8:
if (ss->nrofCandidates->aggregationLevel8 != NR_SearchSpace__nrofCandidates__aggregationLevel8_n0) {
*aggregation_level = 8;
*nr_of_candidates = ss->nrofCandidates->aggregationLevel8;
}
break;
case 16:
if (ss->nrofCandidates->aggregationLevel16 != NR_SearchSpace__nrofCandidates__aggregationLevel16_n0) {
*aggregation_level = 16;
*nr_of_candidates = ss->nrofCandidates->aggregationLevel16;
}
break;
}
}
......@@ -4065,15 +4070,15 @@ uint8_t fill_searchSpaceZero(NR_SearchSpace_t *ss0, NR_Type0_PDCCH_CSS_config_t
case 4:
ss0->nrofCandidates->aggregationLevel4 = (((max_agg>>2) > 4)? 4 : max_agg>>2);
ss0->nrofCandidates->aggregationLevel8 = NR_SearchSpace__nrofCandidates__aggregationLevel8_n0;
ss0->nrofCandidates->aggregationLevel8 = NR_SearchSpace__nrofCandidates__aggregationLevel16_n0;
ss0->nrofCandidates->aggregationLevel16 = NR_SearchSpace__nrofCandidates__aggregationLevel16_n0;
break;
case 8:
ss0->nrofCandidates->aggregationLevel8 = NR_SearchSpace__nrofCandidates__aggregationLevel4_n0;
ss0->nrofCandidates->aggregationLevel4 = NR_SearchSpace__nrofCandidates__aggregationLevel4_n0;
ss0->nrofCandidates->aggregationLevel8 = (((max_agg>>3) > 2)? 2 : max_agg>>3);
ss0->nrofCandidates->aggregationLevel8 = NR_SearchSpace__nrofCandidates__aggregationLevel16_n0;
ss0->nrofCandidates->aggregationLevel16 = NR_SearchSpace__nrofCandidates__aggregationLevel16_n0;
break;
case 16:
ss0->nrofCandidates->aggregationLevel8 = NR_SearchSpace__nrofCandidates__aggregationLevel4_n0;
ss0->nrofCandidates->aggregationLevel4 = NR_SearchSpace__nrofCandidates__aggregationLevel4_n0;
ss0->nrofCandidates->aggregationLevel8 = NR_SearchSpace__nrofCandidates__aggregationLevel8_n0;
ss0->nrofCandidates->aggregationLevel16 = (((max_agg>>4) > 1)? 1 : max_agg>>4);
break;
......
openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
View file @ 18e51299
......@@ -51,20 +51,24 @@
void fill_dci_search_candidates(NR_SearchSpace_t *ss,fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15) {
LOG_D(MAC,"Filling search candidates for DCI\n");
LOG_D(NR_MAC,"Filling search candidates for DCI\n");
uint8_t aggregation;
uint8_t number_of_candidates=0;
int i=0;
for (int maxL=16;maxL>0;maxL>>1) {
rel15->number_of_candidates=0;
for (int maxL=16;maxL>0;maxL>>=1) {
find_aggregation_candidates(&aggregation,
&number_of_candidates,
ss,maxL);
rel15->number_of_candidates += number_of_candidates;
for (; i<rel15->number_of_candidates; i++) {
rel15->CCE[i] = i*aggregation;
rel15->L[i] = aggregation;
if (number_of_candidates>0) {
LOG_D(NR_MAC,"L %d, number of candidates %d, aggregation %d\n",maxL,number_of_candidates,aggregation);
rel15->number_of_candidates += number_of_candidates;
for (; i<rel15->number_of_candidates; i++) {
rel15->CCE[i] = i*aggregation;
rel15->L[i] = aggregation;
}
}
}
}
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
View file @ 18e51299
......@@ -349,7 +349,7 @@ uint32_t schedule_control_sib1(module_id_t module_id,
gNB_mac->sched_ctrlCommon->num_total_bytes = num_total_bytes;
uint8_t nr_of_candidates;
find_aggregation_candidates(&gNB_mac->sched_ctrlCommon->aggregation_level, &nr_of_candidates, gNB_mac->sched_ctrlCommon->search_space,8);
find_aggregation_candidates(&gNB_mac->sched_ctrlCommon->aggregation_level, &nr_of_candidates, gNB_mac->sched_ctrlCommon->search_space,4);
AssertFatal(nr_of_candidates>0,"nr_of_candidates is 0\n");
gNB_mac->sched_ctrlCommon->cce_index = allocate_nr_CCEs(RC.nrmac[module_id],
NULL,
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
View file @ 18e51299
......@@ -56,7 +56,6 @@
#define HALFWORD 16
#define WORD 32
//#define SIZE_OF_POINTER sizeof (void *)
static int loop_dcch_dtch = DL_SCH_LCID_DTCH;
void calculate_preferred_dl_tda(module_id_t module_id, const NR_BWP_Downlink_t *bwp)
{
......@@ -396,39 +395,63 @@ void nr_store_dlsch_buffer(module_id_t module_id,
NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id];
sched_ctrl->num_total_bytes = 0;
if ((sched_ctrl->lcid_mask&(1<<4)) > 0 && loop_dcch_dtch == DL_SCH_LCID_DCCH1)
loop_dcch_dtch = DL_SCH_LCID_DTCH;
else if ((sched_ctrl->lcid_mask&(1<<1)) > 0 && loop_dcch_dtch == DL_SCH_LCID_DTCH)
loop_dcch_dtch = DL_SCH_LCID_DCCH;
else if ((sched_ctrl->lcid_mask&(1<<2)) > 0 && loop_dcch_dtch == DL_SCH_LCID_DCCH)
loop_dcch_dtch = DL_SCH_LCID_DCCH1;
const int lcid = loop_dcch_dtch;
// const int lcid = DL_SCH_LCID_DTCH;
int lcid;
const uint16_t rnti = UE_info->rnti[UE_id];
sched_ctrl->rlc_status[lcid] = mac_rlc_status_ind(module_id,
rnti,
module_id,
frame,
slot,
ENB_FLAG_YES,
MBMS_FLAG_NO,
lcid,
0,
0);
LOG_I(NR_MAC,"UE %d/%x : lcid_mask %x\n",UE_id,rnti,sched_ctrl->lcid_mask);
if ((sched_ctrl->lcid_mask&(1<<2)) > 0)
sched_ctrl->rlc_status[DL_SCH_LCID_DCCH1] = mac_rlc_status_ind(module_id,
rnti,
module_id,
frame,
slot,
ENB_FLAG_YES,
MBMS_FLAG_NO,
DL_SCH_LCID_DCCH1,
0,
0);
if ((sched_ctrl->lcid_mask&(1<<1)) > 0)
sched_ctrl->rlc_status[DL_SCH_LCID_DCCH] = mac_rlc_status_ind(module_id,
rnti,
module_id,
frame,
slot,
ENB_FLAG_YES,
MBMS_FLAG_NO,
DL_SCH_LCID_DCCH,
0,
0);
if ((sched_ctrl->lcid_mask&(1<<4)) > 0)
sched_ctrl->rlc_status[DL_SCH_LCID_DTCH] = mac_rlc_status_ind(module_id,
rnti,
module_id,
frame,
slot,
ENB_FLAG_YES,
MBMS_FLAG_NO,
DL_SCH_LCID_DTCH,
0,
0);
if(sched_ctrl->rlc_status[DL_SCH_LCID_DCCH].bytes_in_buffer > 0){
lcid = DL_SCH_LCID_DCCH;
}
else if (sched_ctrl->rlc_status[DL_SCH_LCID_DCCH1].bytes_in_buffer > 0)
{
lcid = DL_SCH_LCID_DCCH1;
}else{
lcid = DL_SCH_LCID_DTCH;
}
sched_ctrl->num_total_bytes += sched_ctrl->rlc_status[lcid].bytes_in_buffer;
LOG_D(NR_MAC,
"%d.%d, LCID%d:->DLSCH, RLC status %d bytes. \n",
frame,
slot,
lcid,
sched_ctrl->num_total_bytes);
//later multiplex here. Just select DCCH/SRB before DTCH/DRB
sched_ctrl->lcid_to_schedule = lcid;
if (sched_ctrl->num_total_bytes == 0
&& !sched_ctrl->ta_apply) /* If TA should be applied, give at least one RB */
return;
LOG_D(NR_MAC,
LOG_I(NR_MAC,
"[%s][%d.%d], %s%d->DLSCH, RLC status %d bytes TA %d\n",
__func__,
frame,
......@@ -1141,7 +1164,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
/* next, get RLC data */
// const int lcid = DL_SCH_LCID_DTCH;
const int lcid = loop_dcch_dtch;
const int lcid = sched_ctrl->lcid_to_schedule;
int dlsch_total_bytes = 0;
if (sched_ctrl->num_total_bytes > 0) {
tbs_size_t len = 0;
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
View file @ 18e51299
......@@ -923,7 +923,6 @@ bool allocate_ul_retransmission(module_id_t module_id,
const uint8_t num_dmrs_cdm_grps_no_data = (sched_ctrl->active_bwp || ubwpd) ? 1 : 2;
const int tda = sched_ctrl->active_ubwp ? RC.nrmac[module_id]->preferred_ul_tda[sched_ctrl->active_ubwp->bwp_Id][slot] : 0;
LOG_D(NR_MAC,"retInfo->time_domain_allocation = %d, tda = %d\n", retInfo->time_domain_allocation, tda);
printf("num_dmrs_cdm_grps_no_data %d, tbs %d\n",num_dmrs_cdm_grps_no_data,retInfo->tb_size);
if (tda == retInfo->time_domain_allocation) {
/* Check the resource is enough for retransmission */
while (rbStart < bwpSize && !rballoc_mask[rbStart])
......@@ -1039,7 +1038,7 @@ void pf_ul(module_id_t module_id,
gNB_MAC_INST *nrmac = RC.nrmac[module_id];
NR_ServingCellConfigCommon_t *scc = nrmac->common_channels[CC_id].ServingCellConfigCommon;
NR_UE_info_t *UE_info = &nrmac->UE_info;
const int min_rb = 5;
const int min_rb = 40;
float coeff_ue[MAX_MOBILES_PER_GNB];
// UEs that could be scheduled
int ue_array[MAX_MOBILES_PER_GNB];
......
openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
View file @ 18e51299
......@@ -565,6 +565,7 @@ typedef struct {
mac_rlc_status_resp_t rlc_status[MAX_NUM_LCID];
int lcid_mask;
int lcid_to_schedule;
uint16_t ta_frame;
int16_t ta_update;
bool ta_apply;
......
openair2/LAYER2/nr_rlc/nr_rlc_oai_api.c
View file @ 18e51299
......@@ -460,7 +460,7 @@ static void deliver_sdu(void *_ue, nr_rlc_entity_t *entity, char *buf, int size)
exit(1);
rb_found:
LOG_D(RLC, "%s:%d:%s: delivering SDU (rnti %d is_srb %d rb_id %d) size %d\n",
LOG_I(RLC, "%s:%d:%s: delivering SDU (rnti %d is_srb %d rb_id %d) size %d\n",
__FILE__, __LINE__, __FUNCTION__, ue->rnti, is_srb, rb_id, size);
memblock = get_free_mem_block(size, __func__);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment