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Commit cb003e4f authored by francescomani's avatar francescomani
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mapping LCID to RBID to find RLC entity

parent 5b943f59
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Showing with 147 additions and 186 deletions
openair2/LAYER2/nr_rlc/nr_rlc_oai_api.c
View file @ cb003e4f
......@@ -54,23 +54,33 @@ static uint64_t nr_rlc_current_time;
static int nr_rlc_current_time_last_frame;
static int nr_rlc_current_time_last_subframe;
void mac_rlc_data_ind (
const module_id_t module_idP,
const rnti_t rntiP,
const eNB_index_t eNB_index,
const frame_t frameP,
const eNB_flag_t enb_flagP,
const MBMS_flag_t MBMS_flagP,
const logical_chan_id_t channel_idP,
char *buffer_pP,
const tb_size_t tb_sizeP,
num_tb_t num_tbP,
crc_t *crcs_pP)
nr_rlc_entity_t *get_rlc_entity_from_lcid(nr_rlc_ue_t *ue,
logical_chan_id_t channel_id)
{
nr_rlc_ue_t *ue;
nr_rlc_entity_t *rb;
if (channel_id == 0)
return ue->srb0;
nr_rlc_rb_t *rb = &ue->lcid2rb[channel_id - 1];
if (rb->type == NR_RLC_SRB)
return ue->srb[rb->choice.srb_id - 1];
else {
AssertFatal(rb->type == NR_RLC_DRB,
"Invalid RB type\n");
return ue->drb[rb->choice.drb_id - 1];
}
}
void mac_rlc_data_ind(const module_id_t module_idP,
const rnti_t rntiP,
const eNB_index_t eNB_index,
const frame_t rameP,
const eNB_flag_t enb_flagP,
const MBMS_flag_t MBMS_flagP,
const logical_chan_id_t channel_idP,
char *buffer_pP,
const tb_size_t tb_sizeP,
num_tb_t num_tbP,
crc_t *crcs_pP)
{
if (module_idP != 0 || eNB_index != 0 || /*enb_flagP != 1 ||*/ MBMS_flagP != 0) {
LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
exit(1);
......@@ -81,20 +91,15 @@ void mac_rlc_data_ind (
T_INT(channel_idP), T_INT(tb_sizeP));
nr_rlc_manager_lock(nr_rlc_ue_manager);
ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rntiP);
nr_rlc_ue_t *ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rntiP);
if(ue == NULL)
LOG_I(RLC, "RLC instance for the given UE was not found \n");
LOG_I(RLC, "RLC instance for the given UE was not found \n");
switch (channel_idP) {
case 0: rb = ue->srb0; break;
case 1 ... 3: rb = ue->srb[channel_idP - 1]; break;
case 4 ... 32: rb = ue->drb[channel_idP - 4]; break;
default: rb = NULL; break;
}
nr_rlc_entity_t *rb = get_rlc_entity_from_lcid(ue, channel_idP);
if (rb != NULL) {
LOG_D(RLC, "RB found! (channel ID %d) \n", channel_idP);
LOG_D(RLC, "RB found! (channel ID %d) \n", channel_idP);
rb->set_time(rb, nr_rlc_current_time);
rb->recv_pdu(rb, buffer_pP, tb_sizeP);
} else {
......@@ -106,37 +111,24 @@ void mac_rlc_data_ind (
nr_rlc_manager_unlock(nr_rlc_ue_manager);
}
tbs_size_t mac_rlc_data_req(
const module_id_t module_idP,
const rnti_t rntiP,
const eNB_index_t eNB_index,
const frame_t frameP,
const eNB_flag_t enb_flagP,
const MBMS_flag_t MBMS_flagP,
const logical_chan_id_t channel_idP,
const tb_size_t tb_sizeP,
char *buffer_pP,
const uint32_t sourceL2Id,
const uint32_t destinationL2Id
)
tbs_size_t mac_rlc_data_req(const module_id_t module_idP,
const rnti_t rntiP,
const eNB_index_t eNB_index,
const frame_t frameP,
const eNB_flag_t enb_flagP,
const MBMS_flag_t MBMS_flagP,
const logical_chan_id_t channel_idP,
const tb_size_t tb_sizeP,
char *buffer_pP,
const uint32_t sourceL2Id,
const uint32_t destinationL2Id)
{
int ret;
nr_rlc_ue_t *ue;
nr_rlc_entity_t *rb;
int maxsize;
nr_rlc_manager_lock(nr_rlc_ue_manager);
ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rntiP);
switch (channel_idP) {
case 0: rb = ue->srb0; break;
case 1 ... 3: rb = ue->srb[channel_idP - 1]; break;
case 4 ... 32: rb = ue->drb[channel_idP - 4]; break;
default:
rb = NULL;
LOG_E(RLC, "In %s:%d:%s: data request for unknown RB with LCID 0x%02x !\n", __FILE__, __LINE__, __FUNCTION__, channel_idP);
break;
}
nr_rlc_ue_t *ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rntiP);
nr_rlc_entity_t *rb = get_rlc_entity_from_lcid(ue, channel_idP);
if (rb != NULL) {
LOG_D(RLC, "MAC PDU to get created for channel_idP:%d \n", channel_idP);
......@@ -157,32 +149,22 @@ tbs_size_t mac_rlc_data_req(
return ret;
}
mac_rlc_status_resp_t mac_rlc_status_ind(
const module_id_t module_idP,
const rnti_t rntiP,
const eNB_index_t eNB_index,
const frame_t frameP,
const sub_frame_t subframeP,
const eNB_flag_t enb_flagP,
const MBMS_flag_t MBMS_flagP,
const logical_chan_id_t channel_idP,
const uint32_t sourceL2Id,
const uint32_t destinationL2Id
)
mac_rlc_status_resp_t mac_rlc_status_ind(const module_id_t module_idP,
const rnti_t rntiP,
const eNB_index_t eNB_index,
const frame_t frameP,
const sub_frame_t subframeP,
const eNB_flag_t enb_flagP,
const MBMS_flag_t MBMS_flagP,
const logical_chan_id_t channel_idP,
const uint32_t sourceL2Id,
const uint32_t destinationL2Id)
{
nr_rlc_ue_t *ue;
mac_rlc_status_resp_t ret;
nr_rlc_entity_t *rb;
nr_rlc_manager_lock(nr_rlc_ue_manager);
ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rntiP);
switch (channel_idP) {
case 0: rb = ue->srb0; break;
case 1 ... 3: rb = ue->srb[channel_idP - 1]; break;
case 4 ... MAX_DRBS_PER_UE: rb = ue->drb[channel_idP - 4]; break;
default: rb = NULL; break;
}
nr_rlc_ue_t *ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rntiP);
nr_rlc_entity_t *rb = get_rlc_entity_from_lcid(ue, channel_idP);
if (rb != NULL) {
nr_rlc_entity_buffer_status_t buf_stat;
......@@ -212,18 +194,15 @@ mac_rlc_status_resp_t mac_rlc_status_ind(
return ret;
}
rlc_buffer_occupancy_t mac_rlc_get_buffer_occupancy_ind(
const module_id_t module_idP,
const rnti_t rntiP,
const eNB_index_t eNB_index,
const frame_t frameP,
const sub_frame_t subframeP,
const eNB_flag_t enb_flagP,
const logical_chan_id_t channel_idP)
rlc_buffer_occupancy_t mac_rlc_get_buffer_occupancy_ind(const module_id_t module_idP,
const rnti_t rntiP,
const eNB_index_t eNB_index,
const frame_t frameP,
const sub_frame_t subframeP,
const eNB_flag_t enb_flagP,
const logical_chan_id_t channel_idP)
{
nr_rlc_ue_t *ue;
rlc_buffer_occupancy_t ret;
nr_rlc_entity_t *rb;
if (enb_flagP) {
LOG_E(RLC, "Tx mac_rlc_get_buffer_occupancy_ind function is not implemented for eNB LcId=%u\n", channel_idP);
......@@ -239,13 +218,8 @@ rlc_buffer_occupancy_t mac_rlc_get_buffer_occupancy_ind(
}
nr_rlc_manager_lock(nr_rlc_ue_manager);
ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rntiP);
switch (channel_idP) {
case 1 ... 3: rb = ue->srb[channel_idP - 1]; break;
case 4 ... MAX_DRBS_PER_UE: rb = ue->drb[channel_idP - 4]; break;
default: rb = NULL; break;
}
nr_rlc_ue_t *ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rntiP);
nr_rlc_entity_t *rb = get_rlc_entity_from_lcid(ue, channel_idP);
if (rb != NULL) {
nr_rlc_entity_buffer_status_t buf_stat;
......@@ -272,17 +246,16 @@ rlc_buffer_occupancy_t mac_rlc_get_buffer_occupancy_ind(
}
rlc_op_status_t rlc_data_req (const protocol_ctxt_t *const ctxt_pP,
const srb_flag_t srb_flagP,
const MBMS_flag_t MBMS_flagP,
const rb_id_t rb_idP,
const mui_t muiP,
confirm_t confirmP,
sdu_size_t sdu_sizeP,
mem_block_t *sdu_pP,
const uint32_t *const sourceL2Id,
const uint32_t *const destinationL2Id
)
rlc_op_status_t rlc_data_req(const protocol_ctxt_t *const ctxt_pP,
const srb_flag_t srb_flagP,
const MBMS_flag_t MBMS_flagP,
const rb_id_t rb_idP,
const mui_t muiP,
confirm_t confirmP,
sdu_size_t sdu_sizeP,
mem_block_t *sdu_pP,
const uint32_t *const sourceL2Id,
const uint32_t *const destinationL2Id)
{
int rnti = ctxt_pP->rntiMaybeUEid;
nr_rlc_ue_t *ue;
......@@ -322,22 +295,14 @@ rlc_op_status_t rlc_data_req (const protocol_ctxt_t *const ctxt_pP,
return RLC_OP_STATUS_OK;
}
int nr_rlc_get_available_tx_space(
const rnti_t rntiP,
const logical_chan_id_t channel_idP)
int nr_rlc_get_available_tx_space(const rnti_t rntiP,
const logical_chan_id_t channel_idP)
{
nr_rlc_ue_t *ue;
nr_rlc_entity_t *rb;
int ret;
nr_rlc_manager_lock(nr_rlc_ue_manager);
ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rntiP);
switch (channel_idP) {
case 1 ... 3: rb = ue->srb[channel_idP - 1]; break;
case 4 ... MAX_DRBS_PER_UE: rb = ue->drb[channel_idP - 4]; break;
default: rb = NULL; break;
}
nr_rlc_ue_t *ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rntiP);
nr_rlc_entity_t *rb = get_rlc_entity_from_lcid(ue, channel_idP);
if (rb != NULL) {
ret = rb->available_tx_space(rb);
......@@ -617,12 +582,8 @@ rb_found:
void nr_rlc_add_srb(int rnti, int srb_id, const NR_RLC_BearerConfig_t *rlc_BearerConfig)
{
nr_rlc_entity_t *nr_rlc_am;
nr_rlc_ue_t *ue;
struct NR_RLC_Config *r = rlc_BearerConfig->rlc_Config;
struct NR_LogicalChannelConfig *l = rlc_BearerConfig->mac_LogicalChannelConfig;
int channel_id = rlc_BearerConfig->logicalChannelIdentity;
int logical_channel_group;
int t_status_prohibit;
......@@ -634,17 +595,8 @@ void nr_rlc_add_srb(int rnti, int srb_id, const NR_RLC_BearerConfig_t *rlc_Beare
int sn_field_length;
LOG_D(RLC,"Trying to add SRB %d\n",srb_id);
if (srb_id != 1 && srb_id != 2) {
LOG_E(RLC, "%s:%d:%s: fatal, bad srb id %d\n",
__FILE__, __LINE__, __FUNCTION__, srb_id);
exit(1);
}
if (channel_id != srb_id) {
LOG_E(RLC, "%s:%d:%s: todo, remove this limitation\n",
__FILE__, __LINE__, __FUNCTION__);
exit(1);
}
AssertFatal(srb_id > 0 && srb_id < 4,
"Invalid srb id %d\n", srb_id);
logical_channel_group = *l->ul_SpecificParameters->logicalChannelGroup;
......@@ -677,9 +629,16 @@ void nr_rlc_add_srb(int rnti, int srb_id, const NR_RLC_BearerConfig_t *rlc_Beare
}
nr_rlc_manager_lock(nr_rlc_ue_manager);
ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rnti);
nr_rlc_ue_t *ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rnti);
AssertFatal(rlc_BearerConfig->servedRadioBearer &&
(rlc_BearerConfig->servedRadioBearer->present ==
NR_RLC_BearerConfig__servedRadioBearer_PR_srb_Identity),
"servedRadioBearer for SRB mandatory present when setting up an SRB RLC entity\n");
int local_id = rlc_BearerConfig->logicalChannelIdentity - 1; // LCID 0 for SRB 0 not mapped
ue->lcid2rb[local_id].type = NR_RLC_SRB;
ue->lcid2rb[local_id].choice.srb_id = rlc_BearerConfig->servedRadioBearer->choice.srb_Identity;
if (ue->srb[srb_id-1] != NULL) {
LOG_W(RLC, "%s:%d:%s: SRB %d already exists for UE with RNTI %04x, do nothing\n", __FILE__, __LINE__, __FUNCTION__, srb_id, rnti);
LOG_E(RLC, "%s:%d:%s: SRB %d already exists for UE with RNTI %04x, do nothing\n", __FILE__, __LINE__, __FUNCTION__, srb_id, rnti);
} else {
/* hack: hardcode values for NR */
t_poll_retransmit = 45;
......@@ -689,15 +648,15 @@ void nr_rlc_add_srb(int rnti, int srb_id, const NR_RLC_BearerConfig_t *rlc_Beare
poll_byte = -1;
max_retx_threshold = 8;
sn_field_length = 12;
nr_rlc_am = new_nr_rlc_entity_am(RLC_RX_MAXSIZE,
RLC_TX_MAXSIZE,
deliver_sdu, ue,
successful_delivery, ue,
max_retx_reached, ue,
t_poll_retransmit,
t_reassembly, t_status_prohibit,
poll_pdu, poll_byte, max_retx_threshold,
sn_field_length);
nr_rlc_entity_t *nr_rlc_am = new_nr_rlc_entity_am(RLC_RX_MAXSIZE,
RLC_TX_MAXSIZE,
deliver_sdu, ue,
successful_delivery, ue,
max_retx_reached, ue,
t_poll_retransmit,
t_reassembly, t_status_prohibit,
poll_pdu, poll_byte, max_retx_threshold,
sn_field_length);
nr_rlc_ue_add_srb_rlc_entity(ue, srb_id, nr_rlc_am);
LOG_I(RLC, "%s:%d:%s: added srb %d to UE with RNTI 0x%x\n", __FILE__, __LINE__, __FUNCTION__, srb_id, rnti);
......@@ -707,12 +666,8 @@ void nr_rlc_add_srb(int rnti, int srb_id, const NR_RLC_BearerConfig_t *rlc_Beare
static void add_drb_am(int rnti, int drb_id, const NR_RLC_BearerConfig_t *rlc_BearerConfig)
{
nr_rlc_entity_t *nr_rlc_am;
nr_rlc_ue_t *ue;
struct NR_RLC_Config *r = rlc_BearerConfig->rlc_Config;
struct NR_LogicalChannelConfig *l = rlc_BearerConfig->mac_LogicalChannelConfig;
int channel_id = rlc_BearerConfig->logicalChannelIdentity;
int logical_channel_group;
int t_status_prohibit;
......@@ -723,17 +678,8 @@ static void add_drb_am(int rnti, int drb_id, const NR_RLC_BearerConfig_t *rlc_Be
int t_reassembly;
int sn_field_length;
if (!(drb_id >= 1 && drb_id <= MAX_DRBS_PER_UE)) {
LOG_E(RLC, "%s:%d:%s: fatal, bad srb id %d\n",
__FILE__, __LINE__, __FUNCTION__, drb_id);
exit(1);
}
if (channel_id != drb_id + 3) {
LOG_E(RLC, "%s:%d:%s: todo, remove this limitation\n",
__FILE__, __LINE__, __FUNCTION__);
exit(1);
}
AssertFatal(drb_id > 0 && drb_id <= MAX_DRBS_PER_UE,
"Invalid DRB ID %d\n", drb_id);
logical_channel_group = *l->ul_SpecificParameters->logicalChannelGroup;
......@@ -766,19 +712,26 @@ static void add_drb_am(int rnti, int drb_id, const NR_RLC_BearerConfig_t *rlc_Be
}
nr_rlc_manager_lock(nr_rlc_ue_manager);
ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rnti);
nr_rlc_ue_t *ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rnti);
AssertFatal(rlc_BearerConfig->servedRadioBearer &&
(rlc_BearerConfig->servedRadioBearer->present ==
NR_RLC_BearerConfig__servedRadioBearer_PR_drb_Identity),
"servedRadioBearer for DRB mandatory present when setting up an SRB RLC entity\n");
int local_id = rlc_BearerConfig->logicalChannelIdentity - 1; // LCID 0 for SRB 0 not mapped
ue->lcid2rb[local_id].type = NR_RLC_DRB;
ue->lcid2rb[local_id].choice.drb_id = rlc_BearerConfig->servedRadioBearer->choice.drb_Identity;
if (ue->drb[drb_id-1] != NULL) {
LOG_W(RLC, "%s:%d:%s: DRB %d already exists for UE with RNTI %04x, do nothing\n", __FILE__, __LINE__, __FUNCTION__, drb_id, rnti);
LOG_E(RLC, "%s:%d:%s: DRB %d already exists for UE with RNTI %04x, do nothing\n", __FILE__, __LINE__, __FUNCTION__, drb_id, rnti);
} else {
nr_rlc_am = new_nr_rlc_entity_am(RLC_RX_MAXSIZE,
RLC_TX_MAXSIZE,
deliver_sdu, ue,
successful_delivery, ue,
max_retx_reached, ue,
t_poll_retransmit,
t_reassembly, t_status_prohibit,
poll_pdu, poll_byte, max_retx_threshold,
sn_field_length);
nr_rlc_entity_t *nr_rlc_am = new_nr_rlc_entity_am(RLC_RX_MAXSIZE,
RLC_TX_MAXSIZE,
deliver_sdu, ue,
successful_delivery, ue,
max_retx_reached, ue,
t_poll_retransmit,
t_reassembly, t_status_prohibit,
poll_pdu, poll_byte, max_retx_threshold,
sn_field_length);
nr_rlc_ue_add_drb_rlc_entity(ue, drb_id, nr_rlc_am);
LOG_I(RLC, "%s:%d:%s: added drb %d to UE with RNTI 0x%x\n", __FILE__, __LINE__, __FUNCTION__, drb_id, rnti);
......@@ -788,28 +741,15 @@ static void add_drb_am(int rnti, int drb_id, const NR_RLC_BearerConfig_t *rlc_Be
static void add_drb_um(int rnti, int drb_id, const NR_RLC_BearerConfig_t *rlc_BearerConfig)
{
nr_rlc_entity_t *nr_rlc_um;
nr_rlc_ue_t *ue;
struct NR_RLC_Config *r = rlc_BearerConfig->rlc_Config;
struct NR_LogicalChannelConfig *l = rlc_BearerConfig->mac_LogicalChannelConfig;
int channel_id = rlc_BearerConfig->logicalChannelIdentity;
int logical_channel_group;
int sn_field_length;
int t_reassembly;
if (!(drb_id >= 1 && drb_id <= MAX_DRBS_PER_UE)) {
LOG_E(RLC, "%s:%d:%s: fatal, bad srb id %d\n",
__FILE__, __LINE__, __FUNCTION__, drb_id);
exit(1);
}
if (channel_id != drb_id + 3) {
LOG_E(RLC, "%s:%d:%s: todo, remove this limitation\n",
__FILE__, __LINE__, __FUNCTION__);
exit(1);
}
AssertFatal(drb_id > 0 && drb_id <= MAX_DRBS_PER_UE,
"Invalid DRB ID %d\n", drb_id);
logical_channel_group = *l->ul_SpecificParameters->logicalChannelGroup;
......@@ -837,15 +777,22 @@ static void add_drb_um(int rnti, int drb_id, const NR_RLC_BearerConfig_t *rlc_Be
}
nr_rlc_manager_lock(nr_rlc_ue_manager);
ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rnti);
nr_rlc_ue_t *ue = nr_rlc_manager_get_ue(nr_rlc_ue_manager, rnti);
AssertFatal(rlc_BearerConfig->servedRadioBearer &&
(rlc_BearerConfig->servedRadioBearer->present ==
NR_RLC_BearerConfig__servedRadioBearer_PR_drb_Identity),
"servedRadioBearer for DRB mandatory present when setting up an SRB RLC entity\n");
int local_id = rlc_BearerConfig->logicalChannelIdentity - 1; // LCID 0 for SRB 0 not mapped
ue->lcid2rb[local_id].type = NR_RLC_DRB;
ue->lcid2rb[local_id].choice.drb_id = rlc_BearerConfig->servedRadioBearer->choice.drb_Identity;
if (ue->drb[drb_id-1] != NULL) {
LOG_W(RLC, "DEBUG add_drb_um %s:%d:%s: warning DRB %d already exist for ue %d, do nothing\n", __FILE__, __LINE__, __FUNCTION__, drb_id, rnti);
LOG_E(RLC, "DEBUG add_drb_um %s:%d:%s: warning DRB %d already exist for ue %d, do nothing\n", __FILE__, __LINE__, __FUNCTION__, drb_id, rnti);
} else {
nr_rlc_um = new_nr_rlc_entity_um(RLC_RX_MAXSIZE,
RLC_TX_MAXSIZE,
deliver_sdu, ue,
t_reassembly,
sn_field_length);
nr_rlc_entity_t *nr_rlc_um = new_nr_rlc_entity_um(RLC_RX_MAXSIZE,
RLC_TX_MAXSIZE,
deliver_sdu, ue,
t_reassembly,
sn_field_length);
nr_rlc_ue_add_drb_rlc_entity(ue, drb_id, nr_rlc_um);
LOG_D(RLC, "%s:%d:%s: added drb %d to UE with RNTI 0x%x\n", __FILE__, __LINE__, __FUNCTION__, drb_id, rnti);
......
openair2/LAYER2/nr_rlc/nr_rlc_ue_manager.h
View file @ cb003e4f
......@@ -27,12 +27,26 @@
typedef void nr_rlc_ue_manager_t;
typedef enum nr_rlc_rb_type {
NR_RLC_SRB = 0,
NR_RLC_DRB = 1
} nr_rlc_rb_type;
typedef struct nr_rlc_rb_t {
nr_rlc_rb_type type;
union {
int srb_id;
int drb_id;
} choice;
} nr_rlc_rb_t;
typedef struct nr_rlc_ue_t {
int rnti;
ue_id_t ue_id;
nr_rlc_entity_t *srb0;
nr_rlc_entity_t *srb[3];
nr_rlc_entity_t *drb[MAX_DRBS_PER_UE];
nr_rlc_rb_t lcid2rb[32];
} nr_rlc_ue_t;
/***********************************************************************/
......
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