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Merge remote-tracking branch 'origin/develop' into develop-SA-CBRA

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# Conflicts:
#	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
#	openair2/LAYER2/NR_MAC_gNB/mac_proto.h
This commit is contained in:
rmagueta
2021-02-25 13:03:06 +00:00
parent c8fbcdf7b9 17d4c5c2f4
commit cf70265ba6
41 changed files with 1972 additions and 336 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/COMMON/s1ap_messages_types.h
+8
View File
@@ -155,6 +155,11 @@ typedef struct security_capabilities_s {
uint16_t integrity_algorithms;
} security_capabilities_t;
typedef struct nr_security_capabilities_s {
uint16_t encryption_algorithms;
uint16_t integrity_algorithms;
} nr_security_capabilities_t;
/* Provides the establishment cause for the RRC connection request as provided
* by the upper layers. W.r.t. the cause value names: highPriorityAccess
* concerns AC11..AC15, ‘mt’ stands for ‘Mobile Terminating’ and ‘mo’ for
@@ -538,6 +543,9 @@ typedef struct s1ap_initial_context_setup_req_s {
uint8_t nb_of_e_rabs;
/* list of e_rab to be setup by RRC layers */
e_rab_t e_rab_param[S1AP_MAX_E_RAB];
/* NR Security algorithms (if any, set to 0 if not present) */
nr_security_capabilities_t nr_security_capabilities;
} s1ap_initial_context_setup_req_t;
typedef struct tai_plmn_identity_s {
openair2/COMMON/x2ap_messages_types.h
+1 -1
View File
@@ -338,7 +338,7 @@ typedef struct x2ap_ENDC_sgnb_addition_req_s {
/* used for RRC->X2AP in source eNB */
int rnti;
security_capabilities_t security_capabilities;
nr_security_capabilities_t security_capabilities;
/* SgNB Security Key */
uint8_t kgnb[32];
openair2/GNB_APP/gnb_config.c
+98 -1
View File
@@ -163,6 +163,8 @@ void prepare_scc(NR_ServingCellConfigCommon_t *scc) {
// scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rsrp_ThresholdSSB_SUL = CALLOC(1,sizeof(NR_RSRP_Range_t));
scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing = CALLOC(1,sizeof(NR_SubcarrierSpacing_t));
scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg3_transformPrecoder = CALLOC(1,sizeof(long));
// 0 - ENABLE, 1 - DISABLE, hence explicitly setting to DISABLED.
*scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg3_transformPrecoder = NR_PUSCH_Config__transformPrecoder_disabled;
scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon = CALLOC(1,sizeof(NR_SetupRelease_PUSCH_ConfigCommon_t));
scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->present = NR_SetupRelease_PUSCH_ConfigCommon_PR_setup;
scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup = CALLOC(1,sizeof(struct NR_PUSCH_ConfigCommon));
@@ -513,6 +515,101 @@ void RCconfig_nr_macrlc() {
}
void config_security(gNB_RRC_INST *rrc)
{
paramdef_t logparams_defaults[] = SECURITY_GLOBALPARAMS_DESC;
int ret = config_get(logparams_defaults,
sizeof(logparams_defaults) / sizeof(paramdef_t),
CONFIG_STRING_SECURITY);
int i;
if (ret < 0) {
LOG_W(RRC, "configuration file does not contain a \"security\" section, applying default parameters (no security)\n");
rrc->security.ciphering_algorithms[0] = 0; /* nea0 = no ciphering */
rrc->security.ciphering_algorithms_count = 1;
rrc->security.integrity_algorithms[0] = 0; /* nia0 = no integrity */
rrc->security.integrity_algorithms_count = 1;
return;
}
if (logparams_defaults[SECURITY_CONFIG_CIPHERING_IDX].numelt > 4) {
LOG_E(RRC, "too much ciphering algorithms in section \"security\" of the configuration file, maximum is 4\n");
exit(1);
}
if (logparams_defaults[SECURITY_CONFIG_INTEGRITY_IDX].numelt > 4) {
LOG_E(RRC, "too much integrity algorithms in section \"security\" of the configuration file, maximum is 4\n");
exit(1);
}
/* get ciphering algorithms */
rrc->security.ciphering_algorithms_count = 0;
for (i = 0; i < logparams_defaults[SECURITY_CONFIG_CIPHERING_IDX].numelt; i++) {
if (!strcmp(logparams_defaults[SECURITY_CONFIG_CIPHERING_IDX].strlistptr[i], "nea0")) {
rrc->security.ciphering_algorithms[rrc->security.ciphering_algorithms_count] = 0;
rrc->security.ciphering_algorithms_count++;
continue;
}
if (!strcmp(logparams_defaults[SECURITY_CONFIG_CIPHERING_IDX].strlistptr[i], "nea1")) {
rrc->security.ciphering_algorithms[rrc->security.ciphering_algorithms_count] = 1;
rrc->security.ciphering_algorithms_count++;
continue;
}
if (!strcmp(logparams_defaults[SECURITY_CONFIG_CIPHERING_IDX].strlistptr[i], "nea2")) {
rrc->security.ciphering_algorithms[rrc->security.ciphering_algorithms_count] = 2;
rrc->security.ciphering_algorithms_count++;
continue;
}
if (!strcmp(logparams_defaults[SECURITY_CONFIG_CIPHERING_IDX].strlistptr[i], "nea3")) {
rrc->security.ciphering_algorithms[rrc->security.ciphering_algorithms_count] = 3;
rrc->security.ciphering_algorithms_count++;
continue;
}
LOG_E(RRC, "unknown ciphering algorithm \"%s\" in section \"security\" of the configuration file\n",
logparams_defaults[SECURITY_CONFIG_CIPHERING_IDX].strlistptr[i]);
exit(1);
}
/* get integrity algorithms */
rrc->security.integrity_algorithms_count = 0;
for (i = 0; i < logparams_defaults[SECURITY_CONFIG_INTEGRITY_IDX].numelt; i++) {
if (!strcmp(logparams_defaults[SECURITY_CONFIG_INTEGRITY_IDX].strlistptr[i], "nia0")) {
rrc->security.integrity_algorithms[rrc->security.integrity_algorithms_count] = 0;
rrc->security.integrity_algorithms_count++;
continue;
}
if (!strcmp(logparams_defaults[SECURITY_CONFIG_INTEGRITY_IDX].strlistptr[i], "nia1")) {
rrc->security.integrity_algorithms[rrc->security.integrity_algorithms_count] = 1;
rrc->security.integrity_algorithms_count++;
continue;
}
if (!strcmp(logparams_defaults[SECURITY_CONFIG_INTEGRITY_IDX].strlistptr[i], "nia2")) {
rrc->security.integrity_algorithms[rrc->security.integrity_algorithms_count] = 2;
rrc->security.integrity_algorithms_count++;
continue;
}
if (!strcmp(logparams_defaults[SECURITY_CONFIG_INTEGRITY_IDX].strlistptr[i], "nia3")) {
rrc->security.integrity_algorithms[rrc->security.integrity_algorithms_count] = 3;
rrc->security.integrity_algorithms_count++;
continue;
}
LOG_E(RRC, "unknown integrity algorithm \"%s\" in section \"security\" of the configuration file\n",
logparams_defaults[SECURITY_CONFIG_INTEGRITY_IDX].strlistptr[i]);
exit(1);
}
if (rrc->security.ciphering_algorithms_count == 0) {
LOG_W(RRC, "no preferred ciphering algorithm set in configuration file, applying default parameters (no security)\n");
rrc->security.ciphering_algorithms[0] = 0; /* nea0 = no ciphering */
rrc->security.ciphering_algorithms_count = 1;
}
if (rrc->security.integrity_algorithms_count == 0) {
LOG_W(RRC, "no preferred integrity algorithm set in configuration file, applying default parameters (no security)\n");
rrc->security.integrity_algorithms[0] = 0; /* nia0 = no integrity */
rrc->security.integrity_algorithms_count = 1;
}
}
void RCconfig_NRRRC(MessageDef *msg_p, uint32_t i, gNB_RRC_INST *rrc) {
int num_gnbs = 0;
@@ -679,7 +776,7 @@ void RCconfig_NRRRC(MessageDef *msg_p, uint32_t i, gNB_RRC_INST *rrc) {
}//End for (k=0; k <num_gnbs ; k++)
}//End if (num_gnbs>0)
config_security(rrc);
}//End RCconfig_NRRRC function
int RCconfig_nr_gtpu(void ) {
openair2/GNB_APP/gnb_paramdef.h
+23
View File
@@ -452,4 +452,27 @@ typedef enum {
#define CONFIG_HLP_WORKER "coding and FEP worker thread WORKER_DISABLE or WORKER_ENABLE\n"
#define CONFIG_HLP_PARALLEL "PARALLEL_SINGLE_THREAD, PARALLEL_RU_L1_SPLIT, or PARALLEL_RU_L1_TRX_SPLIT(RU_L1_TRX_SPLIT by defult)\n"
/*-------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/* security configuration */
/*----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define CONFIG_STRING_SECURITY "security"
#define SECURITY_CONFIG_CIPHERING "ciphering_algorithms"
#define SECURITY_CONFIG_INTEGRITY "integrity_algorithms"
/*----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/* security configuration */
/* optname help paramflags XXXptr defXXXval type numelt */
/*----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define SECURITY_GLOBALPARAMS_DESC { \
{SECURITY_CONFIG_CIPHERING, "preferred ciphering algorithms\n", 0, strlistptr:NULL, defstrlistval:NULL, TYPE_STRINGLIST, 0}, \
{SECURITY_CONFIG_INTEGRITY, "preferred integrity algorithms\n", 0, strlistptr:NULL, defstrlistval:NULL, TYPE_STRINGLIST, 0}, \
}
#define SECURITY_CONFIG_CIPHERING_IDX 0
#define SECURITY_CONFIG_INTEGRITY_IDX 1
/*----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#endif
openair2/LAYER2/NR_MAC_gNB/config.c
+23 -7
View File
@@ -401,21 +401,37 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP,
const int UE_id = add_new_nr_ue(Mod_idP, rnti, secondaryCellGroup);
LOG_I(PHY,"Added new UE_id %d/%x with initial secondaryCellGroup\n",UE_id,rnti);
} else if (add_ue == 1 && !get_softmodem_params()->phy_test) {
/* TODO: should check for free RA process */
const int CC_id = 0;
NR_RA_t *ra = &RC.nrmac[Mod_idP]->common_channels[CC_id].ra[0];
ra->state = RA_IDLE;
NR_COMMON_channels_t *cc = &RC.nrmac[Mod_idP]->common_channels[CC_id];
uint8_t ra_index = 0;
/* checking for free RA process */
for(; ra_index < NR_NB_RA_PROC_MAX; ra_index++) {
if((cc->ra[ra_index].state == RA_IDLE) && (!cc->ra[ra_index].cfra)) break;
}
if (ra_index == NR_NB_RA_PROC_MAX) {
LOG_E(MAC, "%s() %s:%d RA processes are not available for CFRA RNTI :%x\n", __FUNCTION__, __FILE__, __LINE__, rnti);
return -1;
}
NR_RA_t *ra = &cc->ra[ra_index];
ra->secondaryCellGroup = secondaryCellGroup;
if (secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated!=NULL) {
if (secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra != NULL) {
ra->cfra = true;
ra->rnti = rnti;
struct NR_CFRA cfra = *secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra;
uint8_t num_preamble = cfra.resources.choice.ssb->ssb_ResourceList.list.count;
struct NR_CFRA *cfra = secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra;
uint8_t num_preamble = cfra->resources.choice.ssb->ssb_ResourceList.list.count;
ra->preambles.num_preambles = num_preamble;
ra->preambles.preamble_list = (uint8_t *) malloc(num_preamble*sizeof(uint8_t));
for (int i = 0; i < num_preamble; i++)
ra->preambles.preamble_list[i] = cfra.resources.choice.ssb->ssb_ResourceList.list.array[i]->ra_PreambleIndex;
for(int i=0; i<cc->num_active_ssb; i++) {
for(int j=0; j<num_preamble; j++) {
if (cc->ssb_index[i] == cfra->resources.choice.ssb->ssb_ResourceList.list.array[j]->ssb) {
// one dedicated preamble for each beam
ra->preambles.preamble_list[i] =
cfra->resources.choice.ssb->ssb_ResourceList.list.array[j]->ra_PreambleIndex;
break;
}
}
}
}
} else {
ra->cfra = false;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+192 -143
View File
@@ -151,6 +151,38 @@ void find_SSB_and_RO_available(module_id_t module_idP) {
uint8_t num_active_ssb = 0;
uint8_t max_association_period = 1;
struct NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB *ssb_perRACH_OccasionAndCB_PreamblesPerSSB = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB;
switch (ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present){
case NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR_oneEighth:
cc->cb_preambles_per_ssb = 4 * (ssb_perRACH_OccasionAndCB_PreamblesPerSSB->choice.oneEighth + 1);
break;
case NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR_oneFourth:
cc->cb_preambles_per_ssb = 4 * (ssb_perRACH_OccasionAndCB_PreamblesPerSSB->choice.oneFourth + 1);
break;
case NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR_oneHalf:
cc->cb_preambles_per_ssb = 4 * (ssb_perRACH_OccasionAndCB_PreamblesPerSSB->choice.oneHalf + 1);
break;
case NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR_one:
cc->cb_preambles_per_ssb = 4 * (ssb_perRACH_OccasionAndCB_PreamblesPerSSB->choice.one + 1);
break;
case NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR_two:
cc->cb_preambles_per_ssb = 4 * (ssb_perRACH_OccasionAndCB_PreamblesPerSSB->choice.two + 1);
break;
case NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR_four:
cc->cb_preambles_per_ssb = ssb_perRACH_OccasionAndCB_PreamblesPerSSB->choice.four;
break;
case NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR_eight:
cc->cb_preambles_per_ssb = ssb_perRACH_OccasionAndCB_PreamblesPerSSB->choice.eight;
break;
case NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR_sixteen:
cc->cb_preambles_per_ssb = ssb_perRACH_OccasionAndCB_PreamblesPerSSB->choice.sixteen;
break;
default:
AssertFatal(1 == 0, "Unsupported ssb_perRACH_config %d\n", ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present);
break;
}
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing)
mu = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing;
else
@@ -181,25 +213,28 @@ void find_SSB_and_RO_available(module_id_t module_idP) {
}
}
for(int i = 1; (1 << (i-1)) <= max_association_period;i++) {
cc->total_prach_occasions_per_config_period = total_RA_occasions;
for(int i=1; (1 << (i-1)) < max_association_period; i++) {
cc->max_association_period = (1 <<(i-1));
total_RA_occasions = total_RA_occasions * cc->max_association_period;
if(total_RA_occasions >= (int) (num_active_ssb/num_ssb_per_RO)) {
repetition = (uint16_t)((total_RA_occasions * num_ssb_per_RO )/num_active_ssb);
break;
}
else {
total_RA_occasions = total_RA_occasions * i;
cc->max_association_period = i;
}
}
if(cc->max_association_period == 0)
cc->max_association_period = 1;
unused_RA_occasion = total_RA_occasions - (int)((num_active_ssb * repetition)/num_ssb_per_RO);
cc->total_prach_occasions = total_RA_occasions - unused_RA_occasion;
cc->num_active_ssb = num_active_ssb;
LOG_I(MAC, "Total available RO %d, num of active SSB %d: unused RO = %d max_association_period %u N_RA_sfn %u \n",
cc->total_prach_occasions, cc->num_active_ssb, unused_RA_occasion, max_association_period, N_RA_sfn);
LOG_I(MAC,
"Total available RO %d, num of active SSB %d: unused RO = %d association_period %u N_RA_sfn %u total_prach_occasions_per_config_period %u\n",
cc->total_prach_occasions,
cc->num_active_ssb,
unused_RA_occasion,
cc->max_association_period,
N_RA_sfn,
cc->total_prach_occasions_per_config_period);
}
void schedule_nr_prach(module_id_t module_idP, frame_t frameP, sub_frame_t slotP)
@@ -439,145 +474,167 @@ void nr_initiate_ra_proc(module_id_t module_idP,
gNB_MAC_INST *nr_mac = RC.nrmac[module_idP];
NR_COMMON_channels_t *cc = &nr_mac->common_channels[CC_id];
NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
NR_RA_t *ra = &cc->ra[0];
uint16_t ra_rnti;
uint8_t total_RApreambles = 64;
uint8_t num_ssb_per_RO = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present;
int pr_found;
// ra_rnti from 5.1.3 in 38.321
// FK: in case of long PRACH the phone seems to expect the subframe number instead of the slot number here.
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.present==NR_RACH_ConfigCommon__prach_RootSequenceIndex_PR_l839)
ra_rnti=1+symbol+(9/*slotP*/*14)+(freq_index*14*80)+(ul_carrier_id*14*80*8);
else
ra_rnti=1+symbol+(slotP*14)+(freq_index*14*80)+(ul_carrier_id*14*80*8);
if( scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles != NULL)
total_RApreambles = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles;
// if the preamble received correspond to one of the listed
// the UE sent a RACH either for starting RA procedure or RA procedure failed and UE retries
int pr_found=0;
for (int i = 0; i < ra->preambles.num_preambles; i++) {
if (preamble_index == ra->preambles.preamble_list[i]) {
pr_found=1;
break;
}
if(num_ssb_per_RO > 3) { /*num of ssb per RO >= 1*/
num_ssb_per_RO -= 3;
total_RApreambles = total_RApreambles/num_ssb_per_RO ;
}
if (!pr_found) {
LOG_E(MAC, "[gNB %d][RAPROC] FAILURE: preamble %d does not correspond to any of the ones in rach_ConfigDedicated\n",
module_idP, preamble_index);
return; // if the PRACH preamble does not correspond to any of the ones sent through RRC abort RA proc
}
// This should be handled differently when we use the initialBWP for RA
ra->bwp_id=1;
NR_BWP_Downlink_t *bwp=ra->secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[ra->bwp_id-1];
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_INITIATE_RA_PROC, 1);
LOG_I(MAC, "[gNB %d][RAPROC] CC_id %d Frame %d, Slot %d Initiating RA procedure for preamble index %d\n", module_idP, CC_id, frameP, slotP, preamble_index);
if (ra->state == RA_IDLE) {
uint8_t beam_index = ssb_index_from_prach(module_idP,
frameP,
slotP,
preamble_index,
freq_index,
symbol);
LOG_D(MAC, "Frame %d, Slot %d: Activating RA process \n", frameP, slotP);
ra->state = Msg2;
ra->timing_offset = timing_offset;
ra->preamble_slot = slotP;
struct NR_PDCCH_ConfigCommon__commonSearchSpaceList *commonSearchSpaceList = bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->commonSearchSpaceList;
AssertFatal(commonSearchSpaceList->list.count>0,
"common SearchSpace list has 0 elements\n");
// Common searchspace list
for (int i=0;i<commonSearchSpaceList->list.count;i++) {
ss=commonSearchSpaceList->list.array[i];
if(ss->searchSpaceId == *bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->ra_SearchSpace)
ra->ra_ss=ss;
}
// retrieving ra pdcch monitoring period and offset
find_monitoring_periodicity_offset_common(ra->ra_ss,
&monitoring_slot_period,
&monitoring_offset);
nr_schedule_msg2(frameP, slotP, &msg2_frame, &msg2_slot, scc, monitoring_slot_period, monitoring_offset,beam_index,cc->num_active_ssb);
ra->Msg2_frame = msg2_frame;
ra->Msg2_slot = msg2_slot;
LOG_I(MAC, "%s() Msg2[%04d%d] SFN/SF:%04d%d\n", __FUNCTION__, ra->Msg2_frame, ra->Msg2_slot, frameP, slotP);
// TODO: Configure RRC with the new RNTI of the following commented lines
/*
int loop = 0;
if (!ra->cfra) {
do {
ra->rnti = (taus() % 65518) + 1;
loop++;
for (int i = 0; i < NR_NB_RA_PROC_MAX; i++) {
NR_RA_t *ra = &cc->ra[i];
pr_found = 0;
if (ra->state == RA_IDLE) {
for(int j = 0; j < ra->preambles.num_preambles; j++) {
//check if the preamble received correspond to one of the listed or configured preambles
if (preamble_index == ra->preambles.preamble_list[j]) {
pr_found=1;
break;
}
}
while (loop != 100 && !((find_nr_UE_id(module_idP, ra->rnti) == -1) && (find_nr_RA_id(module_idP, CC_id, ra->rnti) == -1) && ra->rnti >= 1 && ra->rnti <= 65519));
if (loop == 100) {
LOG_E(MAC,"%s:%d:%s: [RAPROC] initialisation random access aborted\n", __FILE__, __LINE__, __FUNCTION__);
abort();
if (pr_found == 0) {
continue;
}
uint16_t ra_rnti;
// ra_rnti from 5.1.3 in 38.321
// FK: in case of long PRACH the phone seems to expect the subframe number instead of the slot number here.
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.present
== NR_RACH_ConfigCommon__prach_RootSequenceIndex_PR_l839)
ra_rnti = 1 + symbol + (9 /*slotP*/ * 14) + (freq_index * 14 * 80) + (ul_carrier_id * 14 * 80 * 8);
else
ra_rnti = 1 + symbol + (slotP * 14) + (freq_index * 14 * 80) + (ul_carrier_id * 14 * 80 * 8);
// This should be handled differently when we use the initialBWP for RA
ra->bwp_id = 1;
NR_BWP_Downlink_t *bwp = ra->secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList
->list.array[ra->bwp_id - 1];
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_INITIATE_RA_PROC, 1);
LOG_I(MAC,
"[gNB %d][RAPROC] CC_id %d Frame %d, Slot %d Initiating RA procedure for preamble index %d\n",
module_idP,
CC_id,
frameP,
slotP,
preamble_index);
uint8_t beam_index = ssb_index_from_prach(module_idP, frameP, slotP, preamble_index, freq_index, symbol);
// the UE sent a RACH either for starting RA procedure or RA procedure failed and UE retries
if (ra->cfra) {
// if the preamble received correspond to one of the listed
if (!(preamble_index == ra->preambles.preamble_list[beam_index])) {
LOG_E(
MAC,
"[gNB %d][RAPROC] FAILURE: preamble %d does not correspond to any of the ones in rach_ConfigDedicated\n",
module_idP,
preamble_index);
continue; // if the PRACH preamble does not correspond to any of the ones sent through RRC abort RA proc
}
}
int loop = 0;
LOG_D(MAC, "Frame %d, Slot %d: Activating RA process \n", frameP, slotP);
ra->state = Msg2;
ra->timing_offset = timing_offset;
ra->preamble_slot = slotP;
struct NR_PDCCH_ConfigCommon__commonSearchSpaceList *commonSearchSpaceList =
bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->commonSearchSpaceList;
AssertFatal(commonSearchSpaceList->list.count > 0, "common SearchSpace list has 0 elements\n");
// Common searchspace list
for (int i = 0; i < commonSearchSpaceList->list.count; i++) {
ss = commonSearchSpaceList->list.array[i];
if (ss->searchSpaceId == *bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->ra_SearchSpace)
ra->ra_ss = ss;
}
// retrieving ra pdcch monitoring period and offset
find_monitoring_periodicity_offset_common(ra->ra_ss, &monitoring_slot_period, &monitoring_offset);
nr_schedule_msg2(frameP,
slotP,
&msg2_frame,
&msg2_slot,
scc,
monitoring_slot_period,
monitoring_offset,
beam_index,
cc->num_active_ssb);
ra->Msg2_frame = msg2_frame;
ra->Msg2_slot = msg2_slot;
LOG_I(MAC, "%s() Msg2[%04d%d] SFN/SF:%04d%d\n", __FUNCTION__, ra->Msg2_frame, ra->Msg2_slot, frameP, slotP);
if (!ra->cfra) {
do {
ra->rnti = (taus() % 65518) + 1;
loop++;
} while (loop != 100
&& !((find_nr_UE_id(module_idP, ra->rnti) == -1) && (find_nr_RA_id(module_idP, CC_id, ra->rnti) == -1)
&& ra->rnti >= 1 && ra->rnti <= 65519));
if (loop == 100) {
LOG_E(MAC, "%s:%d:%s: [RAPROC] initialisation random access aborted\n", __FILE__, __LINE__, __FUNCTION__);
abort();
}
}
ra->RA_rnti = ra_rnti;
ra->preamble_index = preamble_index;
ra->beam_id = beam_index;
LOG_I(MAC,
"[gNB %d][RAPROC] CC_id %d Frame %d Activating Msg2 generation in frame %d, slot %d using RA rnti %x SSB "
"index %u\n",
module_idP,
CC_id,
frameP,
ra->Msg2_frame,
ra->Msg2_slot,
ra->RA_rnti,
cc->ssb_index[beam_index]);
return;
}
*/
ra->RA_rnti = ra_rnti;
ra->preamble_index = preamble_index;
ra->beam_id = beam_index;
LOG_I(MAC,"[gNB %d][RAPROC] CC_id %d Frame %d Activating Msg2 generation in frame %d, slot %d using RA rnti %x SSB index %u\n",
module_idP,
CC_id,
frameP,
ra->Msg2_frame,
ra->Msg2_slot,
ra->RA_rnti,
cc->ssb_index[beam_index]);
return;
}
LOG_E(MAC, "[gNB %d][RAPROC] FAILURE: CC_id %d Frame %d initiating RA procedure for preamble index %d\n", module_idP, CC_id, frameP, preamble_index);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_INITIATE_RA_PROC, 0);
}
void nr_schedule_RA(module_id_t module_idP, frame_t frameP, sub_frame_t slotP){
//uint8_t i = 0;
int CC_id = 0;
void nr_schedule_RA(module_id_t module_idP, frame_t frameP, sub_frame_t slotP)
{
gNB_MAC_INST *mac = RC.nrmac[module_idP];
NR_COMMON_channels_t *cc = &mac->common_channels[CC_id];
start_meas(&mac->schedule_ra);
// for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
// for (int i = 0; i < NR_NB_RA_PROC_MAX; i++) {
// NR_RA_t *ra = &cc->ra[i];
NR_RA_t *ra = &cc->ra[0];
LOG_D(MAC,"RA[state:%d]\n",ra->state);
switch (ra->state){
case Msg2:
nr_generate_Msg2(module_idP, CC_id, frameP, slotP);
break;
case Msg4:
nr_generate_Msg4(module_idP, CC_id, frameP, slotP);
break;
case WAIT_Msg4_ACK:
nr_check_Msg4_Ack(module_idP, CC_id, frameP, slotP);
break;
default:
break;
for (int CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
NR_COMMON_channels_t *cc = &mac->common_channels[CC_id];
for (int i = 0; i < NR_NB_RA_PROC_MAX; i++) {
NR_RA_t *ra = &cc->ra[i];
LOG_D(MAC, "RA[state:%d]\n", ra->state);
switch (ra->state) {
case Msg2:
nr_generate_Msg2(module_idP, CC_id, frameP, slotP, ra);
break;
case Msg4:
nr_generate_Msg4(module_idP, CC_id, frameP, slotP);
break;
case WAIT_Msg4_ACK:
nr_check_Msg4_Ack(module_idP, CC_id, frameP, slotP);
break;
default:
break;
}
}
}
// }
// }
stop_meas(&mac->schedule_ra);
}
@@ -640,12 +697,11 @@ void nr_get_Msg3alloc(module_id_t module_id,
ra->msg3_first_rb = rbStart;
}
void nr_add_msg3(module_id_t module_idP, int CC_id, frame_t frameP, sub_frame_t slotP){
void nr_add_msg3(module_id_t module_idP, int CC_id, frame_t frameP, sub_frame_t slotP, NR_RA_t *ra, uint8_t *RAR_pdu)
{
gNB_MAC_INST *mac = RC.nrmac[module_idP];
NR_COMMON_channels_t *cc = &mac->common_channels[CC_id];
NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
NR_RA_t *ra = &cc->ra[0];
if (ra->state == RA_IDLE) {
LOG_W(MAC,"RA is not active for RA %X. skipping msg3 scheduling\n", ra->rnti);
@@ -760,18 +816,10 @@ void nr_add_msg3(module_id_t module_idP, int CC_id, frame_t frameP, sub_frame_t
pusch_pdu->nrOfLayers = 1)>>3;
// calling function to fill rar message
nr_fill_rar(module_idP, ra, cc->RAR_pdu.payload, pusch_pdu);
nr_fill_rar(module_idP, ra, RAR_pdu, pusch_pdu);
}
// WIP
// todo:
// - fix me
// - get msg3 alloc (see nr_process_rar)
void nr_generate_Msg2(module_id_t module_idP,
int CC_id,
frame_t frameP,
sub_frame_t slotP)
void nr_generate_Msg2(module_id_t module_idP, int CC_id, frame_t frameP, sub_frame_t slotP, NR_RA_t *ra)
{
gNB_MAC_INST *nr_mac = RC.nrmac[module_idP];
@@ -975,6 +1023,7 @@ void nr_generate_Msg2(module_id_t module_idP,
nr_get_tbs_dl(&dl_tti_pdsch_pdu->pdsch_pdu, x_Overhead, pdsch_pdu_rel15->numDmrsCdmGrpsNoData, dci_payload.tb_scaling);
// DL TX request
nfapi_nr_pdu_t *tx_req = &nr_mac->TX_req[CC_id].pdu_list[nr_mac->TX_req[CC_id].Number_of_PDUs];
tx_req->PDU_length = pdsch_pdu_rel15->TBSize[0];
tx_req->PDU_index = pduindex;
tx_req->num_TLV = 1;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
+3 -1
View File
@@ -245,7 +245,9 @@ void nr_schedule_css_dlsch_phytest(module_id_t module_idP,
TX_req->PDU_index = nr_mac->pdu_index[CC_id]++;
TX_req->num_TLV = 1;
TX_req->TLVs[0].length = 8;
memcpy((void*)&TX_req->TLVs[0].value.direct[0],(void*)&cc[CC_id].RAR_pdu.payload[0],TX_req->TLVs[0].length);
// why do we copy from RAR_pdu here? Shouldn't we fill some more or less
// meaningful data, e.g., padding + random data?
//memcpy((void *)&TX_req->TLVs[0].value.direct[0], (void *)&cc[CC_id].RAR_pdu[0].payload[0], TX_req->TLVs[0].length);
nr_mac->TX_req[CC_id].Number_of_PDUs++;
nr_mac->TX_req[CC_id].SFN=frameP;
nr_mac->TX_req[CC_id].Slot=slotP;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+6 -4
View File
@@ -432,7 +432,8 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
if (sduP != NULL){
LOG_D(NR_MAC, "Received PDU at MAC gNB \n");
UE_scheduling_control->sched_ul_bytes -= UE_info->mac_stats[UE_id].ulsch_current_bytes;
const uint32_t tb_size = UE_scheduling_control->ul_harq_processes[harq_pid].sched_pusch.tb_size;
UE_scheduling_control->sched_ul_bytes -= tb_size;
if (UE_scheduling_control->sched_ul_bytes < 0)
UE_scheduling_control->sched_ul_bytes = 0;
@@ -442,7 +443,8 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
NR_UE_ul_harq_t *cur_harq = &UE_scheduling_control->ul_harq_processes[harq_pid];
/* reduce sched_ul_bytes when cur_harq->round == 3 */
if (cur_harq->round == 3){
UE_scheduling_control->sched_ul_bytes -= UE_info->mac_stats[UE_id].ulsch_current_bytes;
const uint32_t tb_size = UE_scheduling_control->ul_harq_processes[harq_pid].sched_pusch.tb_size;
UE_scheduling_control->sched_ul_bytes -= tb_size;
if (UE_scheduling_control->sched_ul_bytes < 0)
UE_scheduling_control->sched_ul_bytes = 0;
}
@@ -867,7 +869,7 @@ void nr_schedule_ulsch(module_id_t module_id,
/* a PDCCH PDU groups DCIs per BWP and CORESET. Save a pointer to each
* allocated PDCCH so we can easily allocate UE's DCIs independent of any
* CORESET order */
nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_bwp_coreset[MAX_NUM_BWP][MAX_NUM_CORESET] = {0};
nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_bwp_coreset[MAX_NUM_BWP][MAX_NUM_CORESET] = {{0}};
NR_ServingCellConfigCommon_t *scc = RC.nrmac[module_id]->common_channels[0].ServingCellConfigCommon;
NR_UE_info_t *UE_info = &RC.nrmac[module_id]->UE_info;
@@ -921,6 +923,7 @@ void nr_schedule_ulsch(module_id_t module_id,
/* Save information on MCS, TBS etc for the current initial transmission
* so we have access to it when retransmitting */
cur_harq->sched_pusch = *sched_pusch;
sched_ctrl->sched_ul_bytes += sched_pusch->tb_size;
} else {
LOG_D(MAC,
"%d.%2d UL retransmission RNTI %04x sched %d.%2d HARQ PID %d round %d NDI %d\n",
@@ -934,7 +937,6 @@ void nr_schedule_ulsch(module_id_t module_id,
cur_harq->ndi);
}
UE_info->mac_stats[UE_id].ulsch_current_bytes = sched_pusch->tb_size;
sched_ctrl->sched_ul_bytes += sched_pusch->tb_size;
LOG_D(MAC,
"%4d.%2d RNTI %04x UL sched %4d.%2d start %d RBS %d MCS %d TBS %d HARQ PID %d round %d NDI %d\n",
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+1 -4
View File
@@ -353,10 +353,7 @@ int nr_write_ce_dlsch_pdu(module_id_t module_idP,
unsigned char drx_cmd,
unsigned char *ue_cont_res_id);
void nr_generate_Msg2(module_id_t module_idP,
int CC_id,
frame_t frameP,
sub_frame_t slotP);
void nr_generate_Msg2(module_id_t module_idP, int CC_id, frame_t frameP, sub_frame_t slotP, NR_RA_t *ra);
void nr_generate_Msg4(module_id_t module_idP,
int CC_id,
openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+2 -2
View File
@@ -194,8 +194,6 @@ typedef struct {
uint32_t PCCH_alloc_pdu;
/// Outgoing PCCH pdu for PHY
PCCH_PDU PCCH_pdu;
/// Outgoing RAR pdu for PHY
RAR_PDU RAR_pdu;
/// Template for RA computations
NR_RA_t ra[NR_NB_RA_PROC_MAX];
/// VRB map for common channels
@@ -215,6 +213,8 @@ typedef struct {
uint8_t max_association_period;
//SSB index
uint8_t ssb_index[MAX_NUM_OF_SSB];
//CB preambles for each SSB
uint8_t cb_preambles_per_ssb;
} NR_COMMON_channels_t;
openair2/LAYER2/nr_pdcp/nr_pdcp_entity.c
+28 -3
View File
@@ -22,11 +22,12 @@
#include "nr_pdcp_entity.h"
#include "nr_pdcp_entity_drb_am.h"
#include "nr_pdcp_security_nea2.h"
#include "LOG/log.h"
nr_pdcp_entity_t *new_nr_pdcp_entity_srb(
int rb_id,
int is_gnb, int rb_id,
void (*deliver_sdu)(void *deliver_sdu_data, struct nr_pdcp_entity_t *entity,
char *buf, int size),
void *deliver_sdu_data,
@@ -38,7 +39,7 @@ nr_pdcp_entity_t *new_nr_pdcp_entity_srb(
}
nr_pdcp_entity_t *new_nr_pdcp_entity_drb_am(
int rb_id,
int is_gnb, int rb_id,
void (*deliver_sdu)(void *deliver_sdu_data, struct nr_pdcp_entity_t *entity,
char *buf, int size),
void *deliver_sdu_data,
@@ -47,7 +48,11 @@ nr_pdcp_entity_t *new_nr_pdcp_entity_drb_am(
void *deliver_pdu_data,
int sn_size,
int t_reordering,
int discard_timer)
int discard_timer,
int ciphering_algorithm,
int integrity_algorithm,
unsigned char *ciphering_key,
unsigned char *integrity_key)
{
nr_pdcp_entity_drb_am_t *ret;
@@ -76,5 +81,25 @@ nr_pdcp_entity_t *new_nr_pdcp_entity_drb_am(
ret->common.maximum_nr_pdcp_sn = (1 << sn_size) - 1;
if (ciphering_key != NULL && ciphering_algorithm != 0) {
if (ciphering_algorithm != 2) {
LOG_E(PDCP, "FATAL: only nea2 supported for the moment\n");
exit(1);
}
ret->common.has_ciphering = 1;
ret->common.ciphering_algorithm = ciphering_algorithm;
memcpy(ret->common.ciphering_key, ciphering_key, 16);
ret->common.security_context = nr_pdcp_security_nea2_init(ciphering_key);
ret->common.cipher = nr_pdcp_security_nea2_cipher;
ret->common.free_security = nr_pdcp_security_nea2_free_security;
}
ret->common.is_gnb = is_gnb;
if (integrity_key != NULL) {
printf("%s:%d:%s: TODO\n", __FILE__, __LINE__, __FUNCTION__);
exit(1);
}
return (nr_pdcp_entity_t *)ret;
}
openair2/LAYER2/nr_pdcp/nr_pdcp_entity.h
+25 -3
View File
@@ -42,10 +42,28 @@ typedef struct nr_pdcp_entity_t {
int tx_hfn;
int next_nr_pdcp_tx_sn;
int maximum_nr_pdcp_sn;
/* security */
int has_ciphering;
int has_integrity;
int ciphering_algorithm;
int integrity_algorithm;
unsigned char ciphering_key[16];
unsigned char integrity_key[16];
void *security_context;
void (*cipher)(void *security_context,
unsigned char *buffer, int length,
int bearer, int count, int direction);
void (*free_security)(void *security_context);
/* security algorithms need to know uplink/downlink information
* which is reverse for gnb and ue, so we need to know if this
* pdcp entity is for a gnb or an ue
*/
int is_gnb;
} nr_pdcp_entity_t;
nr_pdcp_entity_t *new_nr_pdcp_entity_srb(
int rb_id,
int is_gnb, int rb_id,
void (*deliver_sdu)(void *deliver_sdu_data, struct nr_pdcp_entity_t *entity,
char *buf, int size),
void *deliver_sdu_data,
@@ -54,7 +72,7 @@ nr_pdcp_entity_t *new_nr_pdcp_entity_srb(
void *deliver_pdu_data);
nr_pdcp_entity_t *new_nr_pdcp_entity_drb_am(
int rb_id,
int is_gnb, int rb_id,
void (*deliver_sdu)(void *deliver_sdu_data, struct nr_pdcp_entity_t *entity,
char *buf, int size),
void *deliver_sdu_data,
@@ -63,7 +81,11 @@ nr_pdcp_entity_t *new_nr_pdcp_entity_drb_am(
void *deliver_pdu_data,
int sn_size,
int t_reordering,
int discard_timer);
int discard_timer,
int ciphering_algorithm,
int integrity_algorithm,
unsigned char *ciphering_key,
unsigned char *integrity_key);
void nr_DRB_preconfiguration(uint16_t crnti);
openair2/LAYER2/nr_pdcp/nr_pdcp_entity_drb_am.c
+15
View File
@@ -29,12 +29,21 @@
void nr_pdcp_entity_drb_am_recv_pdu(nr_pdcp_entity_t *_entity, char *buffer, int size)
{
nr_pdcp_entity_drb_am_t *entity = (nr_pdcp_entity_drb_am_t *)_entity;
int sn;
if (size < 3) abort();
if (!(buffer[0] & 0x80))
LOG_E(PDCP, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
sn = (((unsigned char)buffer[0] & 0x3) << 16) |
((unsigned char)buffer[1] << 8) |
(unsigned char)buffer[2];
if (entity->common.has_ciphering)
entity->common.cipher(entity->common.security_context, (unsigned char *)buffer+3, size-3,
entity->rb_id, sn, entity->common.is_gnb ? 0 : 1);
entity->common.deliver_sdu(entity->common.deliver_sdu_data,
(nr_pdcp_entity_t *)entity, buffer+3, size-3);
}
@@ -59,6 +68,10 @@ void nr_pdcp_entity_drb_am_recv_sdu(nr_pdcp_entity_t *_entity, char *buffer, int
buf[2] = sn & 0xff;
memcpy(buf+3, buffer, size);
if (entity->common.has_ciphering)
entity->common.cipher(entity->common.security_context, (unsigned char *)buf+3, size,
entity->rb_id, sn, entity->common.is_gnb ? 1 : 0);
entity->common.deliver_pdu(entity->common.deliver_pdu_data,
(nr_pdcp_entity_t *)entity, buf, size+3, sdu_id);
}
@@ -71,5 +84,7 @@ void nr_pdcp_entity_drb_am_set_integrity_key(nr_pdcp_entity_t *_entity, char *ke
void nr_pdcp_entity_drb_am_delete(nr_pdcp_entity_t *_entity)
{
nr_pdcp_entity_drb_am_t *entity = (nr_pdcp_entity_drb_am_t *)_entity;
if (entity->common.free_security != NULL)
entity->common.free_security(entity->common.security_context);
free(entity);
}
openair2/LAYER2/nr_pdcp/nr_pdcp_oai_api.c
+29 -9
View File
@@ -591,7 +591,11 @@ static void add_srb(int rnti, struct NR_SRB_ToAddMod *s)
TODO;
}
static void add_drb_am(int rnti, struct NR_DRB_ToAddMod *s)
static void add_drb_am(int is_gnb, int rnti, struct NR_DRB_ToAddMod *s,
int ciphering_algorithm,
int integrity_algorithm,
unsigned char *ciphering_key,
unsigned char *integrity_key)
{
nr_pdcp_entity_t *pdcp_drb;
nr_pdcp_ue_t *ue;
@@ -621,8 +625,11 @@ static void add_drb_am(int rnti, struct NR_DRB_ToAddMod *s)
LOG_D(PDCP, "%s:%d:%s: warning DRB %d already exist for ue %d, do nothing\n",
__FILE__, __LINE__, __FUNCTION__, drb_id, rnti);
} else {
pdcp_drb = new_nr_pdcp_entity_drb_am(drb_id, deliver_sdu_drb, ue, deliver_pdu_drb, ue,
sn_size_dl, t_reordering, discard_timer);
pdcp_drb = new_nr_pdcp_entity_drb_am(is_gnb, drb_id,
deliver_sdu_drb, ue, deliver_pdu_drb, ue,
sn_size_dl, t_reordering, discard_timer,
ciphering_algorithm, integrity_algorithm,
ciphering_key, integrity_key);
nr_pdcp_ue_add_drb_pdcp_entity(ue, drb_id, pdcp_drb);
LOG_D(PDCP, "%s:%d:%s: added drb %d to ue rnti %x\n", __FILE__, __LINE__, __FUNCTION__, drb_id, rnti);
@@ -630,16 +637,23 @@ static void add_drb_am(int rnti, struct NR_DRB_ToAddMod *s)
nr_pdcp_manager_unlock(nr_pdcp_ue_manager);
}
static void add_drb(int rnti, struct NR_DRB_ToAddMod *s, NR_RLC_Config_t *rlc_Config)
static void add_drb(int is_gnb, int rnti, struct NR_DRB_ToAddMod *s,
NR_RLC_Config_t *rlc_Config,
int ciphering_algorithm,
int integrity_algorithm,
unsigned char *ciphering_key,
unsigned char *integrity_key)
{
switch (rlc_Config->present) {
case NR_RLC_Config_PR_am:
add_drb_am(rnti, s);
add_drb_am(is_gnb, rnti, s, ciphering_algorithm, integrity_algorithm,
ciphering_key, integrity_key);
break;
case NR_RLC_Config_PR_um_Bi_Directional:
//add_drb_um(rnti, s);
/* hack */
add_drb_am(rnti, s);
add_drb_am(is_gnb, rnti, s, ciphering_algorithm, integrity_algorithm,
ciphering_key, integrity_key);
break;
default:
LOG_E(PDCP, "%s:%d:%s: fatal: unhandled DRB type\n",
@@ -657,7 +671,8 @@ boolean_t nr_rrc_pdcp_config_asn1_req(
const uint8_t security_modeP,
uint8_t *const kRRCenc,
uint8_t *const kRRCint,
uint8_t *const kUPenc
uint8_t *const kUPenc,
uint8_t *const kUPint
#if (LTE_RRC_VERSION >= MAKE_VERSION(9, 0, 0))
,LTE_PMCH_InfoList_r9_t *pmch_InfoList_r9
#endif
@@ -676,7 +691,7 @@ boolean_t nr_rrc_pdcp_config_asn1_req(
//srb2add_list == NULL ||
//drb2add_list != NULL ||
drb2release_list != NULL ||
security_modeP != 255 ||
//security_modeP != 255 ||
//kRRCenc != NULL ||
//kRRCint != NULL ||
//kUPenc != NULL ||
@@ -693,7 +708,10 @@ boolean_t nr_rrc_pdcp_config_asn1_req(
if (drb2add_list != NULL) {
for (i = 0; i < drb2add_list->list.count; i++) {
add_drb(rnti, drb2add_list->list.array[i], rlc_bearer2add_list->list.array[i]->rlc_Config);
add_drb(ctxt_pP->enb_flag, rnti, drb2add_list->list.array[i],
rlc_bearer2add_list->list.array[i]->rlc_Config,
security_modeP & 0x0f, (security_modeP >> 4) & 0x0f,
kUPenc, kUPint);
}
}
@@ -705,6 +723,7 @@ boolean_t nr_rrc_pdcp_config_asn1_req(
free(kRRCenc);
free(kRRCint);
free(kUPenc);
free(kUPint);
return 0;
}
@@ -805,6 +824,7 @@ void nr_DRB_preconfiguration(uint16_t crnti)
NULL,
NULL,
NULL,
NULL,
Rlc_Bearer_ToAdd_list);
nr_rrc_rlc_config_asn1_req (&ctxt,
openair2/LAYER2/nr_pdcp/nr_pdcp_security_nea2.c
+65
View File
@@ -0,0 +1,65 @@
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
#include "nr_pdcp_security_nea2.h"
#include <stdlib.h>
#include <string.h>
#include <nettle/nettle-meta.h>
#include <nettle/aes.h>
#include <nettle/ctr.h>
void *nr_pdcp_security_nea2_init(unsigned char *ciphering_key)
{
void *ctx = calloc(1, nettle_aes128.context_size);
if (ctx == NULL) exit(1);
#if NETTLE_VERSION_MAJOR < 3
nettle_aes128.set_encrypt_key(ctx, 16, ciphering_key);
#else
nettle_aes128.set_encrypt_key(ctx, ciphering_key);
#endif
return ctx;
}
void nr_pdcp_security_nea2_cipher(void *security_context,
unsigned char *buffer, int length,
int bearer, int count, int direction)
{
unsigned char t[16];
t[0] = (count >> 24) & 255;
t[1] = (count >> 16) & 255;
t[2] = (count >> 8) & 255;
t[3] = (count ) & 255;
t[4] = ((bearer-1) << 3) | (direction << 2);
memset(&t[5], 0, 16-5);
nettle_ctr_crypt(security_context, nettle_aes128.encrypt,
nettle_aes128.block_size, t,
length, buffer, buffer);
}
void nr_pdcp_security_nea2_free_security(void *security_context)
{
free(security_context);
}
openair2/LAYER2/nr_pdcp/nr_pdcp_security_nea2.h
+33
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@@ -0,0 +1,33 @@
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
#ifndef _NR_PDCP_SECURITY_NEA2_H_
#define _NR_PDCP_SECURITY_NEA2_H_
void *nr_pdcp_security_nea2_init(unsigned char *ciphering_key);
void nr_pdcp_security_nea2_cipher(void *security_context,
unsigned char *buffer, int length,
int bearer, int count, int direction);
void nr_pdcp_security_nea2_free_security(void *security_context);
#endif /* _NR_PDCP_SECURITY_NEA2_H_ */
openair2/RRC/LTE/rrc_defs.h
+10
View File
@@ -546,6 +546,13 @@ typedef struct rrc_gummei_s {
uint16_t mme_group_id;
} rrc_gummei_t;
typedef struct {
uint16_t ciphering_algorithms;
uint16_t integrity_algorithms;
uint16_t sk_counter;
uint8_t kgNB[32];
} lte_rrc_nr_security_t;
typedef struct eNB_RRC_UE_s {
uint8_t primaryCC_id;
LTE_SCellToAddMod_r10_t sCell_config[2];
@@ -615,6 +622,9 @@ typedef struct eNB_RRC_UE_s {
security_capabilities_t security_capabilities;
/* security capabilities and settings for an UE in ENDC mode */
lte_rrc_nr_security_t nr_security;
int next_hop_chain_count;
uint8_t next_security_key[SECURITY_KEY_LENGTH];
openair2/RRC/LTE/rrc_eNB.c
+9 -67
View File
@@ -4426,69 +4426,11 @@ static int encode_CG_ConfigInfo(
struct NR_RadioBearerConfig *rb_config = NULL;
asn_enc_rval_t enc_rval;
int RRC_OK = 1;
int index = 0;
char temp_buff[ASN_MAX_ENCODE_SIZE];
NR_UE_CapabilityRAT_ContainerList_t *ue_cap_rat_container_list = NULL;
NR_UE_CapabilityRAT_Container_t *ue_cap_rat_container_MRDC = NULL;
NR_UE_CapabilityRAT_Container_t *ue_cap_rat_container_nr = NULL;
int RAT_Container_count = 0;
rb_config = calloc(1,sizeof(struct NR_RadioBearerConfig));
AssertFatal(rb_config != NULL,"failed to allocate memory for rb_config");
if(ue_context_pP->ue_context.DRB_configList->list.count != 0) {
rb_config->drb_ToAddModList = calloc(1,sizeof(struct NR_DRB_ToAddModList ));
AssertFatal(rb_config->drb_ToAddModList != NULL,"failed to allocated memory for drbtoaddmodlist");
rb_config->drb_ToAddModList->list.count = NUMBEROF_DRBS_TOBE_ADDED;
rb_config->drb_ToAddModList->list.array
= calloc(NUMBEROF_DRBS_TOBE_ADDED, sizeof(struct NR_DRB_ToAddMod *));
AssertFatal( rb_config->drb_ToAddModList->list.array != NULL,
"falied to allocate memory for list.array");
for(index = 0; index < NUMBEROF_DRBS_TOBE_ADDED; index++) {
rb_config->drb_ToAddModList->list.array[index]
= calloc(1,sizeof(struct NR_DRB_ToAddMod));
AssertFatal(rb_config->drb_ToAddModList->list.array[index] != NULL,
"failed to allocate memory for drb_toaddmod");
rb_config->drb_ToAddModList->list.array[index]->drb_Identity
= ue_context_pP->ue_context.DRB_configList->list.array[index]->drb_Identity;
if(ue_context_pP->ue_context.DRB_configList->list.array[index]->eps_BearerIdentity) {
rb_config->drb_ToAddModList->list.array[index]->cnAssociation
= calloc(1,sizeof(struct NR_DRB_ToAddMod__cnAssociation));
AssertFatal(rb_config->drb_ToAddModList->list.array[index]->cnAssociation != NULL,
"failed to allocate memory cnAssociation");
rb_config->drb_ToAddModList->list.array[index]->cnAssociation->present
= NR_DRB_ToAddMod__cnAssociation_PR_eps_BearerIdentity;
rb_config->drb_ToAddModList->list.array[index]->cnAssociation->choice.eps_BearerIdentity
= *(ue_context_pP->ue_context.DRB_configList->list.array[index]->eps_BearerIdentity);
}
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config = calloc(1,sizeof(struct NR_PDCP_Config));
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb = calloc(1,sizeof(struct NR_PDCP_Config__drb));
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->discardTimer = calloc(1,sizeof(long));
*rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->discardTimer
= *(ue_context_pP->ue_context.DRB_configList->list.array[index]->pdcp_Config->discardTimer);
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->pdcp_SN_SizeUL = calloc(1,sizeof(long));
*rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->pdcp_SN_SizeUL
= NR_PDCP_Config__drb__pdcp_SN_SizeUL_len18bits;
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->pdcp_SN_SizeDL = calloc(1,sizeof(long));
*rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->pdcp_SN_SizeDL
= NR_PDCP_Config__drb__pdcp_SN_SizeDL_len18bits;
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->headerCompression.present
= NR_PDCP_Config__drb__headerCompression_PR_notUsed;
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->headerCompression.choice.notUsed = 0;
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->t_Reordering = calloc(1,sizeof(long));
*rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->t_Reordering
= NR_PDCP_Config__t_Reordering_ms0;
}
rb_config->securityConfig = calloc(1,sizeof(struct NR_SecurityConfig ));
rb_config->securityConfig->securityAlgorithmConfig = calloc(1,sizeof(struct NR_SecurityAlgorithmConfig));
rb_config->securityConfig->securityAlgorithmConfig->cipheringAlgorithm = NR_CipheringAlgorithm_nea0;
rb_config->securityConfig->securityAlgorithmConfig->integrityProtAlgorithm = NULL;
rb_config->securityConfig->keyToUse = calloc(1,sizeof(long));
*rb_config->securityConfig->keyToUse = NR_SecurityConfig__keyToUse_master;
}
cg_configinfo = calloc(1,sizeof(struct NR_CG_ConfigInfo));
AssertFatal(cg_configinfo != NULL,"failed to allocate memory for cg_configinfo");
@@ -4548,15 +4490,6 @@ static int encode_CG_ConfigInfo(
(const char *)temp_buff, (enc_rval.encoded+7)>>3);
}
cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo->mcg_RB_Config
= calloc(1,sizeof(OCTET_STRING_t));
AssertFatal(cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo->
mcg_RB_Config != NULL, "failed to allocate memory for mcg_rb_config");
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_RadioBearerConfig,NULL,(void *)rb_config,temp_buff,ASN_MAX_ENCODE_SIZE);
AssertFatal(enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %jd)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
OCTET_STRING_fromBuf(cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo->mcg_RB_Config,
(const char *)temp_buff, (enc_rval.encoded+7)>>3);
// this xer_fprint can be enabled for additional debugging messages
// xer_fprint(stdout,&asn_DEF_NR_CG_ConfigInfo,(void *)cg_configinfo);
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_CG_ConfigInfo,NULL,(void *)cg_configinfo,
@@ -4665,11 +4598,20 @@ rrc_eNB_process_MeasurementReport(
msg = itti_alloc_new_message(TASK_RRC_ENB, 0, X2AP_ENDC_SGNB_ADDITION_REQ);
memset(&(X2AP_ENDC_SGNB_ADDITION_REQ(msg)), 0, sizeof(x2ap_ENDC_sgnb_addition_req_t));
X2AP_ENDC_SGNB_ADDITION_REQ(msg).rnti = ctxt_pP->rnti;
X2AP_ENDC_SGNB_ADDITION_REQ(msg).security_capabilities.encryption_algorithms = ue_context_pP->ue_context.nr_security.ciphering_algorithms;
X2AP_ENDC_SGNB_ADDITION_REQ(msg).security_capabilities.integrity_algorithms = ue_context_pP->ue_context.nr_security.integrity_algorithms;
memcpy(X2AP_ENDC_SGNB_ADDITION_REQ(msg).kgnb, ue_context_pP->ue_context.nr_security.kgNB, 32);
memcpy(X2AP_ENDC_SGNB_ADDITION_REQ(msg).rrc_buffer,enc_buf,enc_size);
X2AP_ENDC_SGNB_ADDITION_REQ(msg).rrc_buffer_size = enc_size;
X2AP_ENDC_SGNB_ADDITION_REQ(msg).target_physCellId
= measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[0]->physCellId;
//For the moment we have a single E-RAB which will be the one to be added to the gNB
//Not sure how to select bearers to be added if there are multiple.
X2AP_ENDC_SGNB_ADDITION_REQ(msg).nb_e_rabs_tobeadded = 1;
openair2/RRC/LTE/rrc_eNB_S1AP.c
+9
View File
@@ -1045,6 +1045,15 @@ int rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, const char
}
}
ue_context_p->ue_context.nr_security.ciphering_algorithms = S1AP_INITIAL_CONTEXT_SETUP_REQ(msg_p).nr_security_capabilities.encryption_algorithms;
ue_context_p->ue_context.nr_security.integrity_algorithms = S1AP_INITIAL_CONTEXT_SETUP_REQ(msg_p).nr_security_capabilities.integrity_algorithms;
/* let's initialize sk_counter to 0 */
ue_context_p->ue_context.nr_security.sk_counter = 0;
/* let's compute kgNB */
derive_skgNB(ue_context_p->ue_context.kenb,
ue_context_p->ue_context.nr_security.sk_counter,
ue_context_p->ue_context.nr_security.kgNB);
// in case, send the S1SP initial context response if it is not sent with the attach complete message
if (ue_context_p->ue_context.Status == RRC_RECONFIGURED) {
LOG_I(RRC, "Sending rrc_eNB_send_S1AP_INITIAL_CONTEXT_SETUP_RESP, cause %ld\n", ue_context_p->ue_context.reestablishment_cause);
openair2/RRC/NR/nr_rrc_defs.h
+11
View File
@@ -447,6 +447,15 @@ typedef struct {
//---------------------------------------------------
typedef struct {
/* nea0 = 0, nea1 = 1, ... */
int ciphering_algorithms[4];
int ciphering_algorithms_count;
/* nia0 = 0, nia1 = 1, ... */
int integrity_algorithms[4];
int integrity_algorithms_count;
} nr_security_configuration_t;
//---NR---(completely change)---------------------
typedef struct gNB_RRC_INST_s {
@@ -479,6 +488,8 @@ typedef struct gNB_RRC_INST_s {
int srb1_timer_status_prohibit;
int srs_enable[MAX_NUM_CCs];
// security configuration (preferred algorithms)
nr_security_configuration_t security;
} gNB_RRC_INST;
#include "nr_rrc_proto.h" //should be put here otherwise compilation error
openair2/RRC/NR/nr_rrc_proto.h
+5 -1
View File
@@ -39,6 +39,7 @@
#include "LTE_UE-CapabilityRAT-ContainerList.h"
#include "NR_CG-Config.h"
#include "NR_CG-ConfigInfo.h"
#include "NR_SecurityConfig.h"
int rrc_init_nr_global_param(void);
@@ -90,7 +91,10 @@ void fill_default_reconfig(NR_ServingCellConfigCommon_t *servingcellconfigcommon
int n_physical_antenna_ports,
int initial_csi_index);
void fill_default_rbconfig(NR_RadioBearerConfig_t *rbconfig);
void fill_default_rbconfig(NR_RadioBearerConfig_t *rbconfig,
int eps_bearer_id, int rb_id,
e_NR_CipheringAlgorithm ciphering_algorithm,
e_NR_SecurityConfig__keyToUse key_to_use);
int generate_CG_Config(gNB_RRC_INST *rrc,
NR_CG_Config_t *cg_Config,
openair2/RRC/NR/rrc_gNB.c
+4 -1
View File
@@ -103,7 +103,8 @@ extern boolean_t nr_rrc_pdcp_config_asn1_req(
const uint8_t security_modeP,
uint8_t *const kRRCenc,
uint8_t *const kRRCint,
uint8_t *const kUPenc
uint8_t *const kUPenc,
uint8_t *const kUPint
#if (LTE_RRC_VERSION >= MAKE_VERSION(9, 0, 0))
,LTE_PMCH_InfoList_r9_t *pmch_InfoList_r9
#endif
@@ -887,6 +888,7 @@ rrc_gNB_process_RRCReconfigurationComplete(
kUPenc,
NULL,
NULL,
NULL,
NULL);
/* Refresh SRBs/DRBs */
nr_rrc_rlc_config_asn1_req(ctxt_pP,
@@ -1702,6 +1704,7 @@ int nr_rrc_gNB_decode_ccch(protocol_ctxt_t *const ctxt_pP,
// NULL,
// NULL,
// NULL,
// NULL,
// NULL);
// if (!NODE_IS_CU(RC.nrrrc[ctxt_pP->module_id]->node_type)) {
openair2/RRC/NR/rrc_gNB_nsa.c
+96 -23
View File
@@ -39,6 +39,7 @@
#include "openair2/RRC/LTE/rrc_eNB_GTPV1U.h"
#include "executables/softmodem-common.h"
#include <openair2/RRC/NR/rrc_gNB_UE_context.h>
#include "UTIL/OSA/osa_defs.h"
extern boolean_t nr_rrc_pdcp_config_asn1_req(
const protocol_ctxt_t *const ctxt_pP,
@@ -48,7 +49,8 @@ extern boolean_t nr_rrc_pdcp_config_asn1_req(
const uint8_t security_modeP,
uint8_t *const kRRCenc,
uint8_t *const kRRCint,
uint8_t *const kUPenc
uint8_t *const kUPenc,
uint8_t *const kUPint
#if (LTE_RRC_VERSION >= MAKE_VERSION(9, 0, 0))
,LTE_PMCH_InfoList_r9_t *pmch_InfoList_r9
#endif
@@ -115,28 +117,14 @@ void rrc_parse_ue_capabilities(gNB_RRC_INST *rrc, NR_UE_CapabilityRAT_ContainerL
// dump ue_capabilities
if ( LOG_DEBUGFLAG(DEBUG_ASN1 && ueCapabilityRAT_Container_nr != NULL) ) {
if ( LOG_DEBUGFLAG(DEBUG_ASN1) && ueCapabilityRAT_Container_nr != NULL ) {
xer_fprint(stdout, &asn_DEF_NR_UE_NR_Capability, ue_context_p->ue_context.UE_Capability_nr);
}
if ( LOG_DEBUGFLAG(DEBUG_ASN1 && ueCapabilityRAT_Container_MRDC != NULL) ) {
if ( LOG_DEBUGFLAG(DEBUG_ASN1) && ueCapabilityRAT_Container_MRDC != NULL ) {
xer_fprint(stdout, &asn_DEF_NR_UE_MRDC_Capability, ue_context_p->ue_context.UE_Capability_MRDC);
}
if(cg_config_info && cg_config_info->mcg_RB_Config) {
asn_dec_rval_t dec_rval = uper_decode(NULL,
&asn_DEF_NR_RadioBearerConfig,
(void **)&ue_context_p->ue_context.rb_config,
cg_config_info->mcg_RB_Config->buf,
cg_config_info->mcg_RB_Config->size, 0, 0);
if((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
AssertFatal(1==0,"[InterNode] Failed to decode mcg_rb_config (%zu bits), size of OCTET_STRING %lu\n",
dec_rval.consumed, cg_config_info->mcg_RB_Config->size);
}
}
xer_fprint(stdout, &asn_DEF_NR_RadioBearerConfig, (const void *)ue_context_p->ue_context.rb_config);
rrc_add_nsa_user(rrc,ue_context_p, m);
}
@@ -152,6 +140,8 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_
gtpv1u_enb_create_tunnel_req_t create_tunnel_req;
gtpv1u_enb_create_tunnel_resp_t create_tunnel_resp;
protocol_ctxt_t ctxt={0};
unsigned char *kUPenc = NULL;
int i;
// NR RRCReconfiguration
AssertFatal(rrc->Nb_ue < MAX_NR_RRC_UE_CONTEXTS,"cannot add another UE\n");
ue_context_p->ue_context.reconfig = calloc(1,sizeof(NR_RRCReconfiguration_t));
@@ -162,9 +152,91 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_
NR_RRCReconfiguration_IEs_t *reconfig_ies=calloc(1,sizeof(NR_RRCReconfiguration_IEs_t));
ue_context_p->ue_context.reconfig->criticalExtensions.choice.rrcReconfiguration = reconfig_ies;
carrier->initial_csi_index[rrc->Nb_ue] = 0;
ue_context_p->ue_context.rb_config = calloc(1,sizeof(NR_RRCReconfiguration_t));
if (get_softmodem_params()->phy_test == 1 || get_softmodem_params()->do_ra == 1 || get_softmodem_params()->sa == 1){
ue_context_p->ue_context.rb_config = calloc(1,sizeof(NR_RRCReconfiguration_t));
fill_default_rbconfig(ue_context_p->ue_context.rb_config);
fill_default_rbconfig(ue_context_p->ue_context.rb_config,
5 /* EPS bearer ID */,
1 /* drb ID */,
NR_CipheringAlgorithm_nea0,
NR_SecurityConfig__keyToUse_master);
} else {
/* TODO: handle more than one bearer */
if (m == NULL) {
LOG_E(RRC, "fatal: m==NULL\n");
exit(1);
}
if (m->nb_e_rabs_tobeadded != 1) {
LOG_E(RRC, "fatal: m->nb_e_rabs_tobeadded = %d, should be 1\n", m->nb_e_rabs_tobeadded);
exit(1);
}
/* store security key and security capabilities */
memcpy(ue_context_p->ue_context.kgnb, m->kgnb, 32);
ue_context_p->ue_context.security_capabilities.nRencryption_algorithms = m->security_capabilities.encryption_algorithms;
ue_context_p->ue_context.security_capabilities.nRintegrity_algorithms = m->security_capabilities.integrity_algorithms;
/* Select ciphering algorithm based on gNB configuration file and
* UE's supported algorithms.
* We take the first from the list that is supported by the UE.
* The ordering of the list comes from the configuration file.
*/
/* preset nea0 as fallback */
ue_context_p->ue_context.ciphering_algorithm = 0;
for (i = 0; i < rrc->security.ciphering_algorithms_count; i++) {
int nea_mask[4] = {
0,
0x8000, /* nea1 */
0x4000, /* nea2 */
0x2000 /* nea3 */
};
if (rrc->security.ciphering_algorithms[i] == 0) {
/* nea0 already preselected */
break;
}
if (ue_context_p->ue_context.security_capabilities.nRencryption_algorithms & nea_mask[rrc->security.ciphering_algorithms[i]]) {
ue_context_p->ue_context.ciphering_algorithm = rrc->security.ciphering_algorithms[i];
break;
}
}
LOG_I(RRC, "selecting ciphering algorithm %d\n", (int)ue_context_p->ue_context.ciphering_algorithm);
/* integrity: no integrity protection for DRB in ENDC mode
* as written in 38.331: "If UE is connected to E-UTRA/EPC, this field
* indicates the integrity protection algorithm to be used for SRBs
* configured with NR PDCP, as specified in TS 33.501"
* So nothing for DRB. Plus a test with a COTS UE revealed that it
* did not apply integrity on the DRB.
*/
ue_context_p->ue_context.integrity_algorithm = 0;
LOG_I(RRC, "selecting integrity algorithm %d\n", ue_context_p->ue_context.integrity_algorithm);
/* derive UP security key */
unsigned char *kUPenc_kdf;
nr_derive_key_up_enc(ue_context_p->ue_context.ciphering_algorithm,
ue_context_p->ue_context.kgnb,
&kUPenc_kdf);
/* kUPenc: last 128 bits of key derivation function which returns 256 bits */
kUPenc = malloc(16);
if (kUPenc == NULL) exit(1);
memcpy(kUPenc, kUPenc_kdf+16, 16);
free(kUPenc_kdf);
e_NR_CipheringAlgorithm cipher_algo;
switch (ue_context_p->ue_context.ciphering_algorithm) {
case 0: cipher_algo = NR_CipheringAlgorithm_nea0; break;
case 1: cipher_algo = NR_CipheringAlgorithm_nea1; break;
case 2: cipher_algo = NR_CipheringAlgorithm_nea2; break;
case 3: cipher_algo = NR_CipheringAlgorithm_nea3; break;
default: LOG_E(RRC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__); exit(1);
}
fill_default_rbconfig(ue_context_p->ue_context.rb_config,
m->e_rabs_tobeadded[0].e_rab_id,
m->e_rabs_tobeadded[0].drb_ID,
cipher_algo,
NR_SecurityConfig__keyToUse_secondary);
}
fill_default_reconfig(carrier->servingcellconfigcommon,
reconfig_ies,
@@ -285,10 +357,11 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_
(NR_SRB_ToAddModList_t *) NULL,
ue_context_p->ue_context.rb_config->drb_ToAddModList ,
ue_context_p->ue_context.rb_config->drb_ToReleaseList,
0xff,
NULL,
NULL,
NULL,
(ue_context_p->ue_context.integrity_algorithm << 4) | ue_context_p->ue_context.ciphering_algorithm,
NULL, /* kRRCenc - unused */
NULL, /* kRRCint - unused */
kUPenc, /* kUPenc */
NULL, /* kUPint - unused */
NULL,
NULL,
ue_context_p->ue_context.secondaryCellGroup->rlc_BearerToAddModList);
openair2/RRC/NR/rrc_gNB_reconfig.c
+9 -6
View File
@@ -1334,7 +1334,10 @@ void fill_default_reconfig(NR_ServingCellConfigCommon_t *servingcellconfigcommon
reconfig->nonCriticalExtension = NULL;
}
void fill_default_rbconfig(NR_RadioBearerConfig_t *rbconfig) {
void fill_default_rbconfig(NR_RadioBearerConfig_t *rbconfig,
int eps_bearer_id, int rb_id,
e_NR_CipheringAlgorithm ciphering_algorithm,
e_NR_SecurityConfig__keyToUse key_to_use) {
rbconfig->srb_ToAddModList = NULL;
rbconfig->srb3_ToRelease = NULL;
@@ -1342,8 +1345,8 @@ void fill_default_rbconfig(NR_RadioBearerConfig_t *rbconfig) {
NR_DRB_ToAddMod_t *drb_ToAddMod = calloc(1,sizeof(*drb_ToAddMod));
drb_ToAddMod->cnAssociation = calloc(1,sizeof(*drb_ToAddMod->cnAssociation));
drb_ToAddMod->cnAssociation->present = NR_DRB_ToAddMod__cnAssociation_PR_eps_BearerIdentity;
drb_ToAddMod->cnAssociation->choice.eps_BearerIdentity= 5;
drb_ToAddMod->drb_Identity = 1;
drb_ToAddMod->cnAssociation->choice.eps_BearerIdentity= eps_bearer_id;
drb_ToAddMod->drb_Identity = rb_id;
drb_ToAddMod->reestablishPDCP = NULL;
drb_ToAddMod->recoverPDCP = NULL;
drb_ToAddMod->pdcp_Config = calloc(1,sizeof(*drb_ToAddMod->pdcp_Config));
@@ -1372,12 +1375,12 @@ void fill_default_rbconfig(NR_RadioBearerConfig_t *rbconfig) {
rbconfig->securityConfig = calloc(1,sizeof(*rbconfig->securityConfig));
rbconfig->securityConfig->securityAlgorithmConfig = calloc(1,sizeof(*rbconfig->securityConfig->securityAlgorithmConfig));
rbconfig->securityConfig->securityAlgorithmConfig->cipheringAlgorithm = NR_CipheringAlgorithm_nea0;
rbconfig->securityConfig->securityAlgorithmConfig->cipheringAlgorithm = ciphering_algorithm;
rbconfig->securityConfig->securityAlgorithmConfig->integrityProtAlgorithm=NULL;
rbconfig->securityConfig->keyToUse = calloc(1,sizeof(*rbconfig->securityConfig->keyToUse));
*rbconfig->securityConfig->keyToUse = NR_SecurityConfig__keyToUse_master;
*rbconfig->securityConfig->keyToUse = key_to_use;
xer_fprint(stdout, &asn_DEF_NR_RadioBearerConfig, (const void*)rbconfig);
// xer_fprint(stdout, &asn_DEF_NR_RadioBearerConfig, (const void*)rbconfig);
}
/* Function to set or overwrite PTRS DL RRC parameters */
void rrc_config_dl_ptrs_params(NR_BWP_Downlink_t *bwp, int *ptrsNrb, int *ptrsMcs, int *epre_Ratio, int * reOffset)
openair2/RRC/NR_UE/rrc_UE.c
+4 -1
View File
@@ -186,7 +186,8 @@ extern boolean_t nr_rrc_pdcp_config_asn1_req(
const uint8_t security_modeP,
uint8_t *const kRRCenc,
uint8_t *const kRRCint,
uint8_t *const kUPenc
uint8_t *const kUPenc,
uint8_t *const kUPint
#if (LTE_RRC_VERSION >= MAKE_VERSION(9, 0, 0))
,LTE_PMCH_InfoList_r9_t *pmch_InfoList_r9
#endif
@@ -1999,6 +2000,7 @@ nr_sa_rrc_ue_process_radioBearerConfig(
// NULL,
// NULL,
// NULL,
// NULL,
// NULL);
// Refresh SRBs
// nr_rrc_rlc_config_asn1_req(ctxt_pP,
@@ -2090,6 +2092,7 @@ nr_sa_rrc_ue_process_radioBearerConfig(
// NULL,
// kUPenc,
// NULL,
// NULL,
// NR_UE_rrc_inst[ctxt_pP->module_id].defaultDRB,
// NULL);
// Refresh DRBs
openair2/UTIL/OSA/osa_defs.h
+2
View File
@@ -53,6 +53,8 @@ typedef enum {
//int derive_keNB(const uint8_t kasme[32], const uint32_t nas_count, uint8_t **keNB);
int derive_skgNB(const uint8_t *keNB, const uint16_t sk_counter, uint8_t *skgNB);
int derive_key(algorithm_type_dist_t nas_alg_type, uint8_t nas_enc_alg_id,
const uint8_t key[32], uint8_t **out);
int nr_derive_key(algorithm_type_dist_t alg_type, uint8_t alg_id,
openair2/UTIL/OSA/osa_key_deriver.c
+24
View File
@@ -159,3 +159,27 @@ int derive_keNB(const uint8_t key[32], const uint32_t nas_count, uint8_t **keNB)
return 0;
}
*/
int derive_skgNB(const uint8_t *keNB, const uint16_t sk_counter, uint8_t *skgNB)
{
uint8_t *out;
uint8_t s[5];
/* FC is 0x1c (see 3gpp 33.401 annex A.15) */
s[0] = 0x1c;
/* put sk_counter */
s[1] = (sk_counter >> 8) & 0xff;
s[2] = sk_counter & 0xff;
/* put length of sk_counter (2) */
s[3] = 0x00;
s[4] = 0x02;
kdf(s, 5, keNB, 32, &out, 32);
memcpy(skgNB, out, 32);
free(out);
return 0;
}