Commit 924be4ed authored by francescomani's avatar francescomani

monitor DCI for other SI

parent 6d0ae249
......@@ -717,11 +717,13 @@ void nr_rrc_mac_config_req_mib(module_id_t module_id,
void nr_rrc_mac_config_req_sib1(module_id_t module_id,
int cc_idP,
struct NR_SI_SchedulingInfo *si_SchedulingInfo,
NR_ServingCellConfigCommonSIB_t *scc)
{
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
AssertFatal(scc, "SIB1 SCC should not be NULL\n");
mac->scc_SIB = scc;
mac->si_SchedulingInfo = si_SchedulingInfo;
mac->nr_band = *scc->downlinkConfigCommon.frequencyInfoDL.frequencyBandList.list.array[0]->freqBandIndicatorNR;
config_common_ue_sa(mac, module_id, cc_idP);
configure_current_BWP(mac, scc, NULL);
......
......@@ -382,6 +382,43 @@ typedef struct NR_UL_TIME_ALIGNMENT {
int slot;
} NR_UL_TIME_ALIGNMENT_t;
// The PRACH Config period is a series of selected slots in one or multiple frames
typedef struct prach_conf_period {
prach_occasion_slot_t prach_occasion_slot_map[MAX_NB_FRAME_IN_PRACH_CONF_PERIOD][MAX_NB_SLOT_IN_FRAME];
uint16_t nb_of_prach_occasion; // Total number of PRACH occasions in the PRACH Config period
uint8_t nb_of_frame; // Size of the PRACH Config period in number of 10ms frames
uint8_t nb_of_slot; // Nb of slots in each frame
} prach_conf_period_t;
// The association period is a series of PRACH Config periods
typedef struct prach_association_period {
prach_conf_period_t *prach_conf_period_list[MAX_NB_PRACH_CONF_PERIOD_IN_ASSOCIATION_PERIOD];
uint8_t nb_of_prach_conf_period; // Nb of PRACH configuration periods within the association period
uint8_t nb_of_frame; // Total number of frames included in the association period
} prach_association_period_t;
// The association pattern is a series of Association periods
typedef struct prach_association_pattern {
prach_association_period_t prach_association_period_list[MAX_NB_ASSOCIATION_PERIOD_IN_ASSOCIATION_PATTERN_PERIOD];
prach_conf_period_t prach_conf_period_list[MAX_NB_PRACH_CONF_PERIOD_IN_ASSOCIATION_PATTERN_PERIOD];
uint8_t nb_of_assoc_period; // Nb of association periods within the association pattern
uint8_t nb_of_prach_conf_period_in_max_period; // Nb of PRACH configuration periods within the maximum association pattern period (according to the size of the configured PRACH
uint8_t nb_of_frame; // Total number of frames included in the association pattern period (after mapping the SSBs and determining the real association pattern length)
} prach_association_pattern_t;
// SSB details
typedef struct ssb_info {
bool transmitted; // True if the SSB index is transmitted according to the SSB positions map configuration
prach_occasion_info_t *mapped_ro[MAX_NB_RO_PER_SSB_IN_ASSOCIATION_PATTERN]; // List of mapped RACH Occasions to this SSB index
uint32_t nb_mapped_ro; // Total number of mapped ROs to this SSB index
} ssb_info_t;
// List of all the possible SSBs and their details
typedef struct ssb_list_info {
ssb_info_t tx_ssb[MAX_NB_SSB];
uint8_t nb_tx_ssb;
} ssb_list_info_t;
/*!\brief Top level UE MAC structure */
typedef struct {
NR_UE_L2_STATE_t state;
......@@ -402,6 +439,9 @@ typedef struct {
NR_PHR_Config_t *phr_Config;
NR_RNTI_Value_t *cs_RNTI;
NR_MIB_t *mib;
struct NR_SI_SchedulingInfo *si_SchedulingInfo;
int si_window_start;
ssb_list_info_t ssb_list;
NR_UE_DL_BWP_t current_DL_BWP;
NR_UE_UL_BWP_t current_UL_BWP;
......@@ -485,43 +525,5 @@ typedef struct {
} NR_UE_MAC_INST_t;
// The PRACH Config period is a series of selected slots in one or multiple frames
typedef struct prach_conf_period {
prach_occasion_slot_t prach_occasion_slot_map[MAX_NB_FRAME_IN_PRACH_CONF_PERIOD][MAX_NB_SLOT_IN_FRAME];
uint16_t nb_of_prach_occasion; // Total number of PRACH occasions in the PRACH Config period
uint8_t nb_of_frame; // Size of the PRACH Config period in number of 10ms frames
uint8_t nb_of_slot; // Nb of slots in each frame
} prach_conf_period_t;
// The association period is a series of PRACH Config periods
typedef struct prach_association_period {
prach_conf_period_t *prach_conf_period_list[MAX_NB_PRACH_CONF_PERIOD_IN_ASSOCIATION_PERIOD];
uint8_t nb_of_prach_conf_period; // Nb of PRACH configuration periods within the association period
uint8_t nb_of_frame; // Total number of frames included in the association period
} prach_association_period_t;
// The association pattern is a series of Association periods
typedef struct prach_association_pattern {
prach_association_period_t prach_association_period_list[MAX_NB_ASSOCIATION_PERIOD_IN_ASSOCIATION_PATTERN_PERIOD];
prach_conf_period_t prach_conf_period_list[MAX_NB_PRACH_CONF_PERIOD_IN_ASSOCIATION_PATTERN_PERIOD];
uint8_t nb_of_assoc_period; // Nb of association periods within the association pattern
uint8_t nb_of_prach_conf_period_in_max_period; // Nb of PRACH configuration periods within the maximum association pattern period (according to the size of the configured PRACH
uint8_t nb_of_frame; // Total number of frames included in the association pattern period (after mapping the SSBs and determining the real association pattern length)
} prach_association_pattern_t;
// SSB details
typedef struct ssb_info {
bool transmitted; // True if the SSB index is transmitted according to the SSB positions map configuration
prach_occasion_info_t *mapped_ro[MAX_NB_RO_PER_SSB_IN_ASSOCIATION_PATTERN]; // List of mapped RACH Occasions to this SSB index
uint32_t nb_mapped_ro; // Total number of mapped ROs to this SSB index
} ssb_info_t;
// List of all the possible SSBs and their details
typedef struct ssb_list_info {
ssb_info_t tx_ssb[MAX_NB_SSB];
uint8_t nb_tx_ssb;
} ssb_list_info_t;
/*@}*/
#endif /*__LAYER2_MAC_DEFS_H__ */
......@@ -110,6 +110,7 @@ void nr_rrc_mac_config_req_mib(module_id_t module_id,
void nr_rrc_mac_config_req_sib1(module_id_t module_id,
int cc_idP,
struct NR_SI_SchedulingInfo *si_SchedulingInfo,
NR_ServingCellConfigCommonSIB_t *scc);
/**\brief initialization NR UE MAC instance(s), total number of MAC instance based on NB_NR_UE_MAC_INST*/
......
......@@ -365,6 +365,63 @@ bool is_ss_monitor_occasion(const int frame, const int slot, const int slots_per
return monitor;
}
bool montior_dci_for_other_SI(NR_UE_MAC_INST_t *mac,
const NR_SearchSpace_t *ss,
const int slots_per_frame,
const int frame,
const int slot)
{
const struct NR_SI_SchedulingInfo *si_SchedulingInfo = mac->si_SchedulingInfo;
// 5.2.2.3.2 in 331
if (!si_SchedulingInfo)
return false;
const int si_window_slots = 5 << si_SchedulingInfo->si_WindowLength;
const int abs_slot = frame * slots_per_frame + slot;
for (int n = 0; n < si_SchedulingInfo->schedulingInfoList.list.count; n++) {
struct NR_SchedulingInfo *sched_Info = si_SchedulingInfo->schedulingInfoList.list.array[n];
if(mac->si_window_start == -1) {
int x = n * si_window_slots;
int T = 8 << sched_Info->si_Periodicity; // radio frame periodicity
if ((frame % T) == (x / slots_per_frame) &&
(x % slots_per_frame == 0))
mac->si_window_start = abs_slot; // in terms of absolute slot number
}
if (mac->si_window_start == -1) {
// out of window
return false;
}
else if (abs_slot > mac->si_window_start + si_window_slots) {
// window expired
mac->si_window_start = -1;
return false;
}
else {
const int duration = ss->duration ? *ss->duration : 1;
int period, offset;
get_monitoring_period_offset(ss, &period, &offset);
for (int i = 0; i < duration; i++) {
if (((frame * slots_per_frame + slot - offset - i) % period) == 0) {
int N = mac->ssb_list.nb_tx_ssb;
int K = 0; // k_th transmitted SSB
for (int i = 0; i < mac->mib_ssb; i++) {
if(mac->ssb_list.tx_ssb[i].transmitted)
K++;
}
// numbering current frame and slot in terms of monitoring occasions in window
int current_monitor_occasion = ((abs_slot - mac->si_window_start) % period) +
(duration * (abs_slot - mac->si_window_start) / period);
if (current_monitor_occasion % N == K)
return true;
else
return false;
}
}
}
}
return false;
}
void ue_dci_configuration(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_request_t *dl_config, const frame_t frame, const int slot)
{
const NR_UE_DL_BWP_t *current_DL_BWP = &mac->current_DL_BWP;
......@@ -375,8 +432,10 @@ void ue_dci_configuration(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_request_t *dl
// are same as PDCCH monitoring occasions for SIB1
const NR_SearchSpace_t *ss = mac->otherSI_SS ? mac->otherSI_SS : mac->search_space_zero;
// TODO configure SI-window
if (is_ss_monitor_occasion(frame, slot, slots_per_frame, ss))
if (montior_dci_for_other_SI(mac, ss, slots_per_frame, frame, slot)) {
LOG_D(NR_MAC, "Monitoring DCI for other SIs in frame %d slot %d\n", frame, slot);
config_dci_pdu(mac, dl_config, NR_RNTI_SI, slot, ss);
}
}
if (mac->state == UE_PERFORMING_RA &&
mac->ra.ra_state >= WAIT_RAR) {
......
......@@ -168,6 +168,7 @@ void nr_ue_init_mac(module_id_t module_idP)
mac->get_otherSI = false;
mac->phy_config_request_sent = false;
mac->state = UE_NOT_SYNC;
mac->si_window_start = -1;
}
void nr_ue_mac_default_configs(NR_UE_MAC_INST_t *mac)
......
......@@ -58,7 +58,6 @@
//#define SRS_DEBUG
static prach_association_pattern_t prach_assoc_pattern;
static ssb_list_info_t ssb_list;
void fill_ul_config(fapi_nr_ul_config_request_t *ul_config, frame_t frame_tx, int slot_tx, uint8_t pdu_type){
......@@ -1658,6 +1657,7 @@ static void build_ssb_list(NR_UE_MAC_INST_t *mac) {
BIT_STRING_t *ssb_bitmap;
uint64_t ssb_positionsInBurst;
uint8_t ssb_idx = 0;
ssb_list_info_t *ssb_list = &mac->ssb_list;
if (mac->scc) {
NR_ServingCellConfigCommon_t *scc = mac->scc;
......@@ -1671,8 +1671,8 @@ static void build_ssb_list(NR_UE_MAC_INST_t *mac) {
for (uint8_t bit_nb=3; bit_nb<=3; bit_nb--) {
// If SSB is transmitted
if ((ssb_positionsInBurst>>bit_nb) & 0x01) {
ssb_list.nb_tx_ssb++;
ssb_list.tx_ssb[ssb_idx].transmitted = true;
ssb_list->nb_tx_ssb++;
ssb_list->tx_ssb[ssb_idx].transmitted = true;
LOG_D(NR_MAC,"SSB idx %d transmitted\n", ssb_idx);
}
ssb_idx++;
......@@ -1687,8 +1687,8 @@ static void build_ssb_list(NR_UE_MAC_INST_t *mac) {
for (uint8_t bit_nb=7; bit_nb<=7; bit_nb--) {
// If SSB is transmitted
if ((ssb_positionsInBurst>>bit_nb) & 0x01) {
ssb_list.nb_tx_ssb++;
ssb_list.tx_ssb[ssb_idx].transmitted = true;
ssb_list->nb_tx_ssb++;
ssb_list->tx_ssb[ssb_idx].transmitted = true;
LOG_D(NR_MAC,"SSB idx %d transmitted\n", ssb_idx);
}
ssb_idx++;
......@@ -1703,8 +1703,8 @@ static void build_ssb_list(NR_UE_MAC_INST_t *mac) {
for (uint8_t bit_nb=63; bit_nb<=63; bit_nb--) {
// If SSB is transmitted
if ((ssb_positionsInBurst>>bit_nb) & 0x01) {
ssb_list.nb_tx_ssb++;
ssb_list.tx_ssb[ssb_idx].transmitted = true;
ssb_list->nb_tx_ssb++;
ssb_list->tx_ssb[ssb_idx].transmitted = true;
LOG_D(NR_MAC,"SSB idx %d transmitted\n", ssb_idx);
}
ssb_idx++;
......@@ -1726,8 +1726,8 @@ static void build_ssb_list(NR_UE_MAC_INST_t *mac) {
for (uint8_t bit_nb=7; bit_nb<=7; bit_nb--) {
// If SSB is transmitted
if ((ssb_positionsInBurst>>bit_nb) & 0x01) {
ssb_list.nb_tx_ssb++;
ssb_list.tx_ssb[ssb_idx].transmitted = true;
ssb_list->nb_tx_ssb++;
ssb_list->tx_ssb[ssb_idx].transmitted = true;
LOG_D(NR_MAC,"SSB idx %d transmitted\n", ssb_idx);
}
ssb_idx++;
......@@ -1797,15 +1797,15 @@ static void map_ssb_to_ro(NR_UE_MAC_INST_t *mac) {
// There is only one possible association period which can contain up to 16 PRACH configuration periods
LOG_D(NR_MAC,"Evaluate the number of PRACH configuration periods required to map all the SSBs and set the association period\n");
if (true == multiple_ssb_per_ro) {
required_nb_of_prach_occasion = ((ssb_list.nb_tx_ssb-1) + ssb_rach_ratio) / ssb_rach_ratio;
required_nb_of_prach_occasion = ((mac->ssb_list.nb_tx_ssb-1) + ssb_rach_ratio) / ssb_rach_ratio;
}
else {
required_nb_of_prach_occasion = ssb_list.nb_tx_ssb * ssb_rach_ratio;
required_nb_of_prach_occasion = mac->ssb_list.nb_tx_ssb * ssb_rach_ratio;
}
AssertFatal(prach_assoc_pattern.prach_conf_period_list[0].nb_of_prach_occasion>0,
"prach_assoc_pattern.prach_conf_period_list[0].nb_of_prach_occasion shouldn't be 0 (ssb_list.nb_tx_ssb %d, ssb_rach_ratio %d\n",
ssb_list.nb_tx_ssb,ssb_rach_ratio);
mac->ssb_list.nb_tx_ssb,ssb_rach_ratio);
required_nb_of_prach_conf_period = ((required_nb_of_prach_occasion-1) + prach_assoc_pattern.prach_conf_period_list[0].nb_of_prach_occasion) /
prach_assoc_pattern.prach_conf_period_list[0].nb_of_prach_occasion;
......@@ -1885,17 +1885,20 @@ static void map_ssb_to_ro(NR_UE_MAC_INST_t *mac) {
// this is true if no PRACH occasions are conflicting with SSBs nor TDD_UL_DL_ConfigurationCommon schedule
for (; ssb_idx<MAX_NB_SSB; ssb_idx++) {
// Map only the transmitted ssb_idx
if (true == ssb_list.tx_ssb[ssb_idx].transmitted) {
if (true == mac->ssb_list.tx_ssb[ssb_idx].transmitted) {
ro_p->mapped_ssb_idx[ro_p->nb_mapped_ssb] = ssb_idx;
ro_p->nb_mapped_ssb++;
ssb_list.tx_ssb[ssb_idx].mapped_ro[ssb_list.tx_ssb[ssb_idx].nb_mapped_ro] = ro_p;
ssb_list.tx_ssb[ssb_idx].nb_mapped_ro++;
AssertFatal(MAX_NB_RO_PER_SSB_IN_ASSOCIATION_PATTERN > ssb_list.tx_ssb[ssb_idx].nb_mapped_ro,"Too many mapped ROs (%d) to a single SSB\n", ssb_list.tx_ssb[ssb_idx].nb_mapped_ro);
mac->ssb_list.tx_ssb[ssb_idx].mapped_ro[mac->ssb_list.tx_ssb[ssb_idx].nb_mapped_ro] = ro_p;
mac->ssb_list.tx_ssb[ssb_idx].nb_mapped_ro++;
AssertFatal(MAX_NB_RO_PER_SSB_IN_ASSOCIATION_PATTERN > mac->ssb_list.tx_ssb[ssb_idx].nb_mapped_ro,
"Too many mapped ROs (%d) to a single SSB\n",
mac->ssb_list.tx_ssb[ssb_idx].nb_mapped_ro);
LOG_D(NR_MAC,"Mapped ssb_idx %u to RO slot-symbol %u-%u, %u-%u-%u/%u\n",
LOG_D(NR_MAC, "Mapped ssb_idx %u to RO slot-symbol %u-%u, %u-%u-%u/%u\n",
ssb_idx, ro_p->slot, ro_p->start_symbol, slot, ro_in_time, ro_in_freq,
prach_conf_period_p->prach_occasion_slot_map[frame][slot].nb_of_prach_occasion_in_freq);
LOG_D(NR_MAC,"Nb mapped ROs for this ssb idx: in the association period only %u\n", ssb_list.tx_ssb[ssb_idx].nb_mapped_ro);
LOG_D(NR_MAC, "Nb mapped ROs for this ssb idx: in the association period only %u\n",
mac->ssb_list.tx_ssb[ssb_idx].nb_mapped_ro);
// If all the required SSBs are mapped to this RO, exit the loop of SSBs
if (ro_p->nb_mapped_ssb == ssb_rach_ratio) {
......@@ -1941,12 +1944,11 @@ static void map_ssb_to_ro(NR_UE_MAC_INST_t *mac) {
// Go through the list of transmitted SSBs
for (ssb_idx=0; ssb_idx<MAX_NB_SSB; ssb_idx++) {
uint8_t nb_mapped_ro_in_association_period=0; // Reset the nb of mapped ROs for the new SSB index
LOG_D(NR_MAC,"Checking ssb_idx %d => %d\n",
ssb_idx,ssb_list.tx_ssb[ssb_idx].transmitted);
LOG_D(NR_MAC,"Checking ssb_idx %d => %d\n",
ssb_idx, mac->ssb_list.tx_ssb[ssb_idx].transmitted);
// Map only the transmitted ssb_idx
if (true == ssb_list.tx_ssb[ssb_idx].transmitted) {
if (true == mac->ssb_list.tx_ssb[ssb_idx].transmitted) {
// Map all the required ROs to this SSB
// Go through the list of PRACH config periods within this association period
......@@ -1964,17 +1966,18 @@ static void map_ssb_to_ro(NR_UE_MAC_INST_t *mac) {
ro_p->mapped_ssb_idx[0] = ssb_idx;
ro_p->nb_mapped_ssb = 1;
ssb_list.tx_ssb[ssb_idx].mapped_ro[ssb_list.tx_ssb[ssb_idx].nb_mapped_ro] = ro_p;
ssb_list.tx_ssb[ssb_idx].nb_mapped_ro++;
AssertFatal(MAX_NB_RO_PER_SSB_IN_ASSOCIATION_PATTERN > ssb_list.tx_ssb[ssb_idx].nb_mapped_ro,"Too many mapped ROs (%d) to a single SSB\n",
ssb_list.tx_ssb[ssb_idx].nb_mapped_ro);
mac->ssb_list.tx_ssb[ssb_idx].mapped_ro[mac->ssb_list.tx_ssb[ssb_idx].nb_mapped_ro] = ro_p;
mac->ssb_list.tx_ssb[ssb_idx].nb_mapped_ro++;
AssertFatal(MAX_NB_RO_PER_SSB_IN_ASSOCIATION_PATTERN > mac->ssb_list.tx_ssb[ssb_idx].nb_mapped_ro,
"Too many mapped ROs (%d) to a single SSB\n",
mac->ssb_list.tx_ssb[ssb_idx].nb_mapped_ro);
nb_mapped_ro_in_association_period++;
LOG_D(NR_MAC,"Mapped ssb_idx %u to RO slot-symbol %u-%u, %u-%u-%u/%u\n",
ssb_idx, ro_p->slot, ro_p->start_symbol, slot, ro_in_time, ro_in_freq,
prach_conf_period_p->prach_occasion_slot_map[frame][slot].nb_of_prach_occasion_in_freq);
LOG_D(NR_MAC,"Nb mapped ROs for this ssb idx: in the association period only %u / total %u\n",
ssb_list.tx_ssb[ssb_idx].nb_mapped_ro, nb_mapped_ro_in_association_period);
LOG_D(NR_MAC, "Nb mapped ROs for this ssb idx: in the association period only %u / total %u\n",
mac->ssb_list.tx_ssb[ssb_idx].nb_mapped_ro, nb_mapped_ro_in_association_period);
// Exit the loop if this SSB has been mapped to all the required ROs
// WIP: Assuming that ssb_rach_ratio equals the maximum nb of times a given ssb_idx is mapped within an association period:
......@@ -2024,8 +2027,9 @@ static void map_ssb_to_ro(NR_UE_MAC_INST_t *mac) {
static int get_nr_prach_info_from_ssb_index(uint8_t ssb_idx,
int frame,
int slot,
prach_occasion_info_t **prach_occasion_info_pp) {
ssb_list_info_t *ssb_list,
prach_occasion_info_t **prach_occasion_info_pp)
{
ssb_info_t *ssb_info_p;
prach_occasion_slot_t *prach_occasion_slot_p = NULL;
......@@ -2036,7 +2040,7 @@ static int get_nr_prach_info_from_ssb_index(uint8_t ssb_idx,
// - ssb_idx mapped to one of the ROs in that RO slot
// - exact slot number
// - frame offset
ssb_info_p = &ssb_list.tx_ssb[ssb_idx];
ssb_info_p = &ssb_list->tx_ssb[ssb_idx];
LOG_D(NR_MAC,"checking for prach : ssb_info_p->nb_mapped_ro %d\n",ssb_info_p->nb_mapped_ro);
for (uint8_t n_mapped_ro=0; n_mapped_ro<ssb_info_p->nb_mapped_ro; n_mapped_ro++) {
LOG_D(NR_MAC,"%d.%d: mapped_ro[%d]->frame.slot %d.%d, prach_assoc_pattern.nb_of_frame %d\n",
......@@ -2104,7 +2108,7 @@ void build_ssb_to_ro_map(NR_UE_MAC_INST_t *mac) {
// Clear all the lists and maps
memset(&prach_assoc_pattern, 0, sizeof(prach_association_pattern_t));
memset(&ssb_list, 0, sizeof(ssb_list_info_t));
memset(&mac->ssb_list, 0, sizeof(ssb_list_info_t));
// Build the list of all the valid RACH occasions in the maximum association pattern period according to the PRACH config
LOG_D(NR_MAC,"Build RO list\n");
......@@ -2523,9 +2527,10 @@ void nr_ue_prach_scheduler(module_id_t module_idP, frame_t frameP, sub_frame_t s
// Get any valid PRACH occasion in the current slot for the selected SSB index
prach_occasion_info_t *prach_occasion_info_p;
int is_nr_prach_slot = get_nr_prach_info_from_ssb_index(selected_gnb_ssb_idx,
(int)frameP,
(int)slotP,
&prach_occasion_info_p);
(int)frameP,
(int)slotP,
&mac->ssb_list,
&prach_occasion_info_p);
if (is_nr_prach_slot) {
AssertFatal(NULL != prach_occasion_info_p,"PRACH Occasion Info not returned in a valid NR Prach Slot\n");
......
......@@ -736,7 +736,7 @@ static int8_t nr_rrc_ue_decode_NR_BCCH_DL_SCH_Message(module_id_t module_id,
nr_rrc_set_sib1_timers_and_constants(&NR_UE_rrc_inst[module_id].timers_and_constants, sib1);
// take ServingCellConfigCommon and configure L1/L2
NR_UE_rrc_inst[module_id].servingCellConfigCommonSIB = sib1->servingCellConfigCommon;
nr_rrc_mac_config_req_sib1(module_id, 0, sib1->servingCellConfigCommon);
nr_rrc_mac_config_req_sib1(module_id, 0, sib1->si_SchedulingInfo, sib1->servingCellConfigCommon);
nr_rrc_ue_generate_ra_msg(module_id, gNB_index);
break;
......
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