//-----------------------------------------------------------------------------
void
rlc_um_send_sdu (const protocol_ctxt_t* const ctxt_pP, rlc_um_entity_t *rlc_pP)
{
//-----------------------------------------------------------------------------
if ((rlc_pP->output_sdu_in_construction)) {
LOG_D(RLC, PROTOCOL_RLC_UM_CTXT_FMT" SEND_SDU to upper layers %d bytes sdu %p\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP),
rlc_pP->output_sdu_size_to_write,
rlc_pP->output_sdu_in_construction);
if (rlc_pP->output_sdu_size_to_write > 0) {
rlc_pP->stat_rx_pdcp_sdu += 1;
rlc_pP->stat_rx_pdcp_bytes += rlc_pP->output_sdu_size_to_write;
MSC_LOG_TX_MESSAGE(
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RLC_ENB:MSC_RLC_UE,
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_PDCP_ENB:MSC_PDCP_UE,
(const char*)(rlc_pP->output_sdu_in_construction->data),
rlc_pP->output_sdu_size_to_write,
MSC_AS_TIME_FMT" "PROTOCOL_RLC_UM_MSC_FMT" DATA-IND size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
PROTOCOL_RLC_UM_MSC_ARGS(ctxt_pP,rlc_pP),
rlc_pP->output_sdu_size_to_write
);
#ifdef TEST_RLC_UM
#ifdef TRACE_RLC_UM_DISPLAY_ASCII_DATA
rlc_pP->output_sdu_in_construction->data[rlc_pP->output_sdu_size_to_write] = 0;
LOG_T(RLC, PROTOCOL_RLC_UM_CTXT_FMT"[SEND_SDU] DATA :",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP));
rlc_util_print_hex_octets(RLC, rlc_pP->output_sdu_in_construction->data, rlc_pP->output_sdu_size_to_write);
#endif
rlc_um_v9_3_0_test_data_ind (rlc_pP->module_id, rlc_pP->rb_id, rlc_pP->output_sdu_size_to_write, rlc_pP->output_sdu_in_construction);
#else
// msg("[RLC] DATA IND ON MOD_ID %d RB ID %d, size %d\n",rlc_pP->module_id, rlc_pP->rb_id, ctxt_pP->frame,rlc_pP->output_sdu_size_to_write);
rlc_data_ind (
ctxt_pP,
BOOL_NOT(rlc_pP->is_data_plane),
rlc_pP->is_mxch,
rlc_pP->rb_id,
rlc_pP->output_sdu_size_to_write,
rlc_pP->output_sdu_in_construction);
#endif
rlc_pP->output_sdu_in_construction = NULL;
} else {
LOG_E(RLC, PROTOCOL_RLC_UM_CTXT_FMT"[SEND_SDU] ERROR SIZE <= 0 ... DO NOTHING, SET SDU SIZE TO 0\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP));
}
rlc_pP->output_sdu_size_to_write = 0;
}
}
//-----------------------------------------------------------------------------
void
rlc_um_init (
const protocol_ctxt_t* const ctxt_pP,
rlc_um_entity_t * const rlc_pP
)
{
AssertFatal(rlc_pP, "Bad RLC UM pointer (NULL)");
if (rlc_pP->initialized) {
LOG_D(RLC,PROTOCOL_RLC_UM_CTXT_FMT" [INIT] ALREADY DONE, DOING NOTHING\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP));
} else {
LOG_D(RLC, PROTOCOL_RLC_UM_CTXT_FMT" [INIT] STATE VARIABLES, BUFFERS, LISTS\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP));
memset (rlc_pP, 0, sizeof (rlc_um_entity_t));
// TX SIDE
list_init (&rlc_pP->pdus_to_mac_layer, NULL);
pthread_mutex_init(&rlc_pP->lock_input_sdus, NULL);
list_init (&rlc_pP->input_sdus, NULL);
rlc_pP->protocol_state = RLC_NULL_STATE;
//rlc_pP->vt_us = 0;
// RX SIDE
list_init (&rlc_pP->pdus_from_mac_layer, NULL);
//rlc_pP->vr_ur = 0;
//rlc_pP->vr_ux = 0;
//rlc_pP->vr_uh = 0;
//rlc_pP->output_sdu_size_to_write = 0;
//rlc_pP->output_sdu_in_construction = NULL;
rlc_pP->rx_sn_length = 10;
rlc_pP->rx_header_min_length_in_bytes = 2;
rlc_pP->tx_sn_length = 10;
rlc_pP->tx_header_min_length_in_bytes = 2;
pthread_mutex_init(&rlc_pP->lock_dar_buffer, NULL);
if (rlc_pP->dar_buffer == NULL) {
rlc_pP->dar_buffer = calloc (1, 1024 * sizeof (void *));
}
rlc_pP->first_pdu = 1;
rlc_pP->initialized = TRUE;
}
}
//-----------------------------------------------------------------------------
void
rlc_um_receive (
const protocol_ctxt_t* const ctxt_pP,
rlc_um_entity_t * const rlc_pP,
struct mac_data_ind data_indP)
{
//-----------------------------------------------------------------------------
mem_block_t *tb_p = NULL;
uint8_t *first_byte_p = NULL;
uint16_t tb_size_in_bytes = 0;
while ((tb_p = list_remove_head (&data_indP.data))) {
first_byte_p = ((struct mac_tb_ind *) (tb_p->data))->data_ptr;
tb_size_in_bytes = ((struct mac_tb_ind *) (tb_p->data))->size;
rlc_pP->stat_rx_data_bytes += tb_size_in_bytes;
rlc_pP->stat_rx_data_pdu += 1;
if (tb_size_in_bytes > 0) {
rlc_um_receive_process_dar (ctxt_pP, rlc_pP, tb_p, (rlc_um_pdu_sn_10_t*)first_byte_p, tb_size_in_bytes);
#if defined(TRACE_RLC_UM_RX)
LOG_D(RLC, PROTOCOL_RLC_UM_CTXT_FMT" VR(UR)=%03d VR(UX)=%03d VR(UH)=%03d\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP),
rlc_pP->vr_ur,
rlc_pP->vr_ux,
rlc_pP->vr_uh);
//rlc_um_display_rx_window(rlc_pP); commented because bad display
#endif
}
}
}
//-----------------------------------------------------------------------------
void config_req_rlc_um (
const protocol_ctxt_t* const ctxt_pP,
const srb_flag_t srb_flagP,
const rlc_um_info_t * const config_um_pP,
const rb_id_t rb_idP)
{
rlc_union_t *rlc_union_p = NULL;
rlc_um_entity_t *rlc_p = NULL;
hash_key_t key = RLC_COLL_KEY_VALUE(ctxt_pP->module_id, ctxt_pP->rnti, ctxt_pP->enb_flag, rb_idP, srb_flagP);
hashtable_rc_t h_rc;
h_rc = hashtable_get(rlc_coll_p, key, (void**)&rlc_union_p);
if (h_rc == HASH_TABLE_OK) {
rlc_p = &rlc_union_p->rlc.um;
LOG_D(RLC, PROTOCOL_RLC_UM_CTXT_FMT" CONFIG_REQ timer_reordering=%d sn_field_length=%d is_mXch=%d RB %u\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_p),
config_um_pP->timer_reordering,
config_um_pP->sn_field_length,
config_um_pP->is_mXch,
rb_idP);
rlc_um_init(ctxt_pP, rlc_p);
if (rlc_um_fsm_notify_event (ctxt_pP, rlc_p, RLC_UM_RECEIVE_CRLC_CONFIG_REQ_ENTER_DATA_TRANSFER_READY_STATE_EVENT)) {
rlc_um_set_debug_infos(ctxt_pP, rlc_p, srb_flagP, rb_idP);
rlc_um_configure(
ctxt_pP,
rlc_p,
config_um_pP->timer_reordering,
config_um_pP->sn_field_length,
config_um_pP->sn_field_length,
config_um_pP->is_mXch);
}
} else {
LOG_E(RLC, PROTOCOL_RLC_UM_CTXT_FMT" CONFIG_REQ RB %u RLC UM NOT FOUND\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_p),
rb_idP);
}
}
//-----------------------------------------------------------------------------
void
rlc_um_reassembly (const protocol_ctxt_t* const ctxt_pP, rlc_um_entity_t *rlc_pP, uint8_t * src_pP, int32_t lengthP)
{
//-----------------------------------------------------------------------------
sdu_size_t sdu_max_size;
LOG_D(RLC, PROTOCOL_RLC_UM_CTXT_FMT"[REASSEMBLY] reassembly() %d bytes %d bytes already reassemblied\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP),
lengthP,
rlc_pP->output_sdu_size_to_write);
if (lengthP <= 0) {
return;
}
if ((rlc_pP->is_data_plane)) {
sdu_max_size = RLC_SDU_MAX_SIZE_DATA_PLANE;
} else {
sdu_max_size = RLC_SDU_MAX_SIZE_CONTROL_PLANE;
}
if (rlc_pP->output_sdu_in_construction == NULL) {
// msg("[RLC_UM_LITE] Getting mem_block ...\n");
rlc_pP->output_sdu_in_construction = get_free_mem_block (sdu_max_size);
rlc_pP->output_sdu_size_to_write = 0;
}
if ((rlc_pP->output_sdu_in_construction)) {
// check if no overflow in size
if ((rlc_pP->output_sdu_size_to_write + lengthP) <= sdu_max_size) {
memcpy (&rlc_pP->output_sdu_in_construction->data[rlc_pP->output_sdu_size_to_write], src_pP, lengthP);
rlc_pP->output_sdu_size_to_write += lengthP;
#ifdef TRACE_RLC_UM_DISPLAY_ASCII_DATA
rlc_pP->output_sdu_in_construction->data[rlc_pP->output_sdu_size_to_write] = 0;
LOG_T(RLC, PROTOCOL_RLC_UM_CTXT_FMT"[REASSEMBLY] DATA :",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP));
rlc_util_print_hex_octets(RLC, (unsigned char*)rlc_pP->output_sdu_in_construction->data, rlc_pP->output_sdu_size_to_write);
#endif
} else {
#if defined(STOP_ON_IP_TRAFFIC_OVERLOAD)
AssertFatal(0, PROTOCOL_RLC_UM_CTXT_FMT" RLC_UM_DATA_IND, SDU TOO BIG, DROPPED\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP));
#endif
LOG_E(RLC, PROTOCOL_RLC_UM_CTXT_FMT"[REASSEMBLY] [max_sdu size %d] ERROR SDU SIZE OVERFLOW SDU GARBAGED\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP),
sdu_max_size);
// erase SDU
rlc_pP->output_sdu_size_to_write = 0;
}
} else {
LOG_E(RLC, PROTOCOL_RLC_UM_CTXT_FMT"[REASSEMBLY]ERROR OUTPUT SDU IS NULL\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP));
#if defined(STOP_ON_IP_TRAFFIC_OVERLOAD)
AssertFatal(0, PROTOCOL_RLC_UM_CTXT_FMT" RLC_UM_DATA_IND, SDU DROPPED, OUT OF MEMORY\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP));
#endif
}
}
//-----------------------------------------------------------------------------
void rlc_um_set_debug_infos(
const protocol_ctxt_t* const ctxt_pP,
rlc_um_entity_t * const rlc_pP,
const srb_flag_t srb_flagP,
const rb_id_t rb_idP)
{
LOG_D(RLC, PROTOCOL_RLC_UM_CTXT_FMT" [SET DEBUG INFOS] rb_id %d srb_flag %d\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP),
rb_idP,
srb_flagP);
rlc_pP->rb_id = rb_idP;
if (srb_flagP) {
rlc_pP->is_data_plane = 0;
} else {
rlc_pP->is_data_plane = 1;
}
}
//-----------------------------------------------------------------------------
int
rlc_um_fsm_notify_event (
const protocol_ctxt_t* const ctxt_pP,
rlc_um_entity_t *rlc_pP, uint8_t eventP)
{
switch (rlc_pP->protocol_state) {
//-------------------------------
// RLC_NULL_STATE
//-------------------------------
case RLC_NULL_STATE:
switch (eventP) {
case RLC_UM_RECEIVE_CRLC_CONFIG_REQ_ENTER_DATA_TRANSFER_READY_STATE_EVENT:
LOG_D(RLC, PROTOCOL_RLC_UM_CTXT_FMT" FSM RLC_NULL_STATE -> RLC_DATA_TRANSFER_READY_STATE\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP, rlc_pP));
rlc_pP->protocol_state = RLC_DATA_TRANSFER_READY_STATE;
return 1;
break;
default:
LOG_E(RLC, PROTOCOL_RLC_UM_CTXT_FMT" FSM WARNING PROTOCOL ERROR - EVENT %02X hex NOT EXPECTED FROM NULL_STATE\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP, rlc_pP),
eventP);
mac_xface->macphy_exit("RLC-UM FSM WARNING PROTOCOL ERROR - EVENT NOT EXPECTED FROM NULL_STATE");
return 0;
}
break;
//-------------------------------
// RLC_DATA_TRANSFER_READY_STATE
//-------------------------------
case RLC_DATA_TRANSFER_READY_STATE:
switch (eventP) {
case RLC_UM_RECEIVE_CRLC_CONFIG_REQ_ENTER_NULL_STATE_EVENT:
LOG_D(RLC, PROTOCOL_RLC_UM_CTXT_FMT" FSM RLC_DATA_TRANSFER_READY_STATE -> RLC_NULL_STATE\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP, rlc_pP));
rlc_pP->protocol_state = RLC_NULL_STATE;
return 1;
break;
case RLC_UM_RECEIVE_CRLC_SUSPEND_REQ_EVENT:
case RLC_UM_TRANSMIT_CRLC_SUSPEND_CNF_EVENT:
LOG_N(RLC, PROTOCOL_RLC_UM_CTXT_FMT" FSM RLC_DATA_TRANSFER_READY_STATE -> RLC_LOCAL_SUSPEND_STATE\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP, rlc_pP));
rlc_pP->protocol_state = RLC_LOCAL_SUSPEND_STATE;
return 1;
break;
default:
LOG_E(RLC, PROTOCOL_RLC_UM_CTXT_FMT" FSM WARNING PROTOCOL ERROR - EVENT %02X hex NOT EXPECTED FROM DATA_TRANSFER_READY_STATE\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP, rlc_pP),
eventP);
return 0;
}
break;
//-------------------------------
// RLC_LOCAL_SUSPEND_STATE
//-------------------------------
case RLC_LOCAL_SUSPEND_STATE:
switch (eventP) {
case RLC_UM_RECEIVE_CRLC_CONFIG_REQ_ENTER_NULL_STATE_EVENT:
LOG_N(RLC, PROTOCOL_RLC_UM_CTXT_FMT" FSM RLC_LOCAL_SUSPEND_STATE -> RLC_NULL_STATE\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP, rlc_pP));
rlc_pP->protocol_state = RLC_NULL_STATE;
return 1;
break;
case RLC_UM_RECEIVE_CRLC_RESUME_REQ_EVENT:
LOG_N(RLC, PROTOCOL_RLC_UM_CTXT_FMT" FSM RLC_LOCAL_SUSPEND_STATE -> RLC_DATA_TRANSFER_READY_STATE\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP, rlc_pP));
rlc_pP->protocol_state = RLC_DATA_TRANSFER_READY_STATE;
return 1;
break;
default:
LOG_E(RLC, PROTOCOL_RLC_UM_CTXT_FMT" FSM WARNING PROTOCOL ERROR - EVENT %02X hex NOT EXPECTED FROM RLC_LOCAL_SUSPEND_STATE\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP, rlc_pP),
eventP);
return 0;
}
break;
default:
LOG_E(RLC, PROTOCOL_RLC_UM_CTXT_FMT" FSM ERROR UNKNOWN STATE %d\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP, rlc_pP),
rlc_pP->protocol_state);
return 0;
}
}
void config_req_rlc_um_asn1 (
const protocol_ctxt_t* const ctxt_pP,
const srb_flag_t srb_flagP,
const MBMS_flag_t mbms_flagP,
const mbms_session_id_t mbms_session_idP,
const mbms_service_id_t mbms_service_idP,
const UL_UM_RLC_t * const ul_rlc_pP,
const DL_UM_RLC_t * const dl_rlc_pP,
const rb_id_t rb_idP)
{
uint32_t ul_sn_FieldLength = 0;
uint32_t dl_sn_FieldLength = 0;
uint32_t t_Reordering = 0;
rlc_union_t *rlc_union_p = NULL;
rlc_um_entity_t *rlc_p = NULL;
hash_key_t key = RLC_COLL_KEY_VALUE(ctxt_pP->module_id, ctxt_pP->rnti, ctxt_pP->enb_flag, rb_idP, srb_flagP);
hashtable_rc_t h_rc;
#if Rel10
if (mbms_flagP) {
AssertFatal(dl_rlc_pP, "No RLC UM DL config");
AssertFatal(ul_rlc_pP == NULL, "RLC UM UL config present");
key = RLC_COLL_KEY_MBMS_VALUE(ctxt_pP->module_id, ctxt_pP->rnti, ctxt_pP->enb_flag, mbms_service_idP, mbms_session_idP);
h_rc = hashtable_get(rlc_coll_p, key, (void**)&rlc_union_p);
AssertFatal (h_rc == HASH_TABLE_OK, "RLC NOT FOUND enb id %u rnti %i enb flag %u service id %u, session id %u",
ctxt_pP->module_id,
ctxt_pP->rnti,
ctxt_pP->enb_flag,
mbms_service_idP,
mbms_session_idP);
rlc_p = &rlc_union_p->rlc.um;
} else
#endif
{
key = RLC_COLL_KEY_VALUE(ctxt_pP->module_id, ctxt_pP->rnti, ctxt_pP->enb_flag, rb_idP, srb_flagP);
h_rc = hashtable_get(rlc_coll_p, key, (void**)&rlc_union_p);
AssertFatal (h_rc == HASH_TABLE_OK, "RLC NOT FOUND enb id %u ue id %i enb flag %u rb id %u, srb flag %u",
ctxt_pP->module_id,
ctxt_pP->rnti,
ctxt_pP->enb_flag,
rb_idP,
srb_flagP);
rlc_p = &rlc_union_p->rlc.um;
}
//-----------------------------------------------------------------------------
LOG_D(RLC, PROTOCOL_RLC_UM_CTXT_FMT" CONFIG_REQ timer_reordering=%dms sn_field_length= RB %u \n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_p),
(dl_rlc_pP && dl_rlc_pP->t_Reordering<31)?t_Reordering_tab[dl_rlc_pP->t_Reordering]:-1,
rb_idP);
rlc_um_init(ctxt_pP, rlc_p);
if (rlc_um_fsm_notify_event (ctxt_pP, rlc_p, RLC_UM_RECEIVE_CRLC_CONFIG_REQ_ENTER_DATA_TRANSFER_READY_STATE_EVENT)) {
rlc_um_set_debug_infos(ctxt_pP,rlc_p, srb_flagP, rb_idP);
if (ul_rlc_pP != NULL) {
switch (ul_rlc_pP->sn_FieldLength) {
case SN_FieldLength_size5:
ul_sn_FieldLength = 5;
break;
case SN_FieldLength_size10:
ul_sn_FieldLength = 10;
break;
default:
LOG_E(RLC,PROTOCOL_RLC_UM_CTXT_FMT" [CONFIGURE] RB %u INVALID UL sn_FieldLength %d, RLC NOT CONFIGURED\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_p),
rlc_p->rb_id,
ul_rlc_pP->sn_FieldLength);
MSC_LOG_RX_DISCARDED_MESSAGE(
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RLC_ENB:MSC_RLC_UE,
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RRC_ENB:MSC_RRC_UE,
NULL,
0,
MSC_AS_TIME_FMT" "PROTOCOL_RLC_AM_MSC_FMT" CONFIG-REQ UL sn_FieldLength %u",
MSC_AS_TIME_ARGS(ctxt_pP),
PROTOCOL_RLC_AM_MSC_ARGS(ctxt_pP, rlc_p),
ul_rlc_pP->sn_FieldLength);
return;
}
}
if (dl_rlc_pP != NULL) {
switch (dl_rlc_pP->sn_FieldLength) {
case SN_FieldLength_size5:
dl_sn_FieldLength = 5;
break;
case SN_FieldLength_size10:
dl_sn_FieldLength = 10;
break;
default:
LOG_E(RLC,PROTOCOL_RLC_UM_CTXT_FMT" [CONFIGURE] RB %u INVALID DL sn_FieldLength %d, RLC NOT CONFIGURED\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_p),
rlc_p->rb_id,
dl_rlc_pP->sn_FieldLength);
MSC_LOG_RX_DISCARDED_MESSAGE(
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RLC_ENB:MSC_RLC_UE,
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RRC_ENB:MSC_RRC_UE,
NULL,
0,
MSC_AS_TIME_FMT" "PROTOCOL_RLC_AM_MSC_FMT" CONFIG-REQ DL sn_FieldLength %u",
MSC_AS_TIME_ARGS(ctxt_pP),
PROTOCOL_RLC_AM_MSC_ARGS(ctxt_pP, rlc_p),
dl_rlc_pP->sn_FieldLength);
return;
}
if (dl_rlc_pP->t_Reordering<T_Reordering_spare1) {
t_Reordering = t_Reordering_tab[dl_rlc_pP->t_Reordering];
} else {
LOG_E(RLC,PROTOCOL_RLC_UM_CTXT_FMT" [CONFIGURE] RB %u INVALID T_Reordering %d, RLC NOT CONFIGURED\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_p),
rlc_p->rb_id,
dl_rlc_pP->t_Reordering);
MSC_LOG_RX_DISCARDED_MESSAGE(
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RLC_ENB:MSC_RLC_UE,
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RRC_ENB:MSC_RRC_UE,
NULL,
0,
MSC_AS_TIME_FMT" "PROTOCOL_RLC_AM_MSC_FMT" CONFIG-REQ t_Reord %u",
MSC_AS_TIME_ARGS(ctxt_pP),
PROTOCOL_RLC_AM_MSC_ARGS(ctxt_pP, rlc_p),
dl_rlc_pP->t_Reordering);
return;
}
}
if (ctxt_pP->enb_flag > 0) {
rlc_um_configure(ctxt_pP,rlc_p,
t_Reordering,
ul_sn_FieldLength,
dl_sn_FieldLength,
mbms_flagP);
MSC_LOG_RX_MESSAGE(
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RLC_ENB:MSC_RLC_UE,
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RRC_ENB:MSC_RRC_UE,
NULL,
0,
MSC_AS_TIME_FMT" "PROTOCOL_RLC_AM_MSC_FMT" CONFIG-REQ t_Reord %u rx snfl %u tx snfl %u",
MSC_AS_TIME_ARGS(ctxt_pP),
PROTOCOL_RLC_AM_MSC_ARGS(ctxt_pP, rlc_p),
t_Reordering,
ul_sn_FieldLength,
dl_sn_FieldLength);
} else {
rlc_um_configure(ctxt_pP,rlc_p,
t_Reordering,
dl_sn_FieldLength,
ul_sn_FieldLength,
mbms_flagP);
MSC_LOG_RX_MESSAGE(
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RLC_ENB:MSC_RLC_UE,
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_RRC_ENB:MSC_RRC_UE,
NULL,
0,
MSC_AS_TIME_FMT" "PROTOCOL_RLC_AM_MSC_FMT" CONFIG-REQ t_Reord %u rx snfl %u tx snfl %u",
MSC_AS_TIME_ARGS(ctxt_pP),
PROTOCOL_RLC_AM_MSC_ARGS(ctxt_pP, rlc_p),
t_Reordering,
dl_sn_FieldLength,
ul_sn_FieldLength);
}
}
}
//-----------------------------------------------------------------------------
void rlc_um_configure(
const protocol_ctxt_t* const ctxt_pP,
rlc_um_entity_t * const rlc_pP,
const uint32_t timer_reorderingP,
const uint32_t rx_sn_field_lengthP,
const uint32_t tx_sn_field_lengthP,
const uint32_t is_mXchP)
{
if (rx_sn_field_lengthP == 10) {
rlc_pP->rx_sn_length = 10;
rlc_pP->rx_sn_modulo = RLC_UM_SN_10_BITS_MODULO;
rlc_pP->rx_um_window_size = RLC_UM_WINDOW_SIZE_SN_10_BITS;
rlc_pP->rx_header_min_length_in_bytes = 2;
} else if (rx_sn_field_lengthP == 5) {
rlc_pP->rx_sn_length = 5;
rlc_pP->rx_sn_modulo = RLC_UM_SN_5_BITS_MODULO;
rlc_pP->rx_um_window_size = RLC_UM_WINDOW_SIZE_SN_5_BITS;
rlc_pP->rx_header_min_length_in_bytes = 1;
} else if (rx_sn_field_lengthP != 0) {
LOG_E(RLC, PROTOCOL_RLC_UM_CTXT_FMT" [CONFIGURE] RB %u INVALID RX SN LENGTH %d BITS NOT IMPLEMENTED YET, RLC NOT CONFIGURED\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP),
rlc_pP->rb_id,
rx_sn_field_lengthP);
return;
}
if (tx_sn_field_lengthP == 10) {
rlc_pP->tx_sn_length = 10;
rlc_pP->tx_sn_modulo = RLC_UM_SN_10_BITS_MODULO;
rlc_pP->tx_um_window_size = RLC_UM_WINDOW_SIZE_SN_10_BITS;
rlc_pP->tx_header_min_length_in_bytes = 2;
} else if (tx_sn_field_lengthP == 5) {
rlc_pP->tx_sn_length = 5;
rlc_pP->tx_sn_modulo = RLC_UM_SN_5_BITS_MODULO;
rlc_pP->tx_um_window_size = RLC_UM_WINDOW_SIZE_SN_5_BITS;
rlc_pP->tx_header_min_length_in_bytes = 1;
} else if (tx_sn_field_lengthP != 0) {
LOG_E(RLC, PROTOCOL_RLC_UM_CTXT_FMT" [CONFIGURE] RB %u INVALID RX SN LENGTH %d BITS NOT IMPLEMENTED YET, RLC NOT CONFIGURED\n",
PROTOCOL_RLC_UM_CTXT_ARGS(ctxt_pP,rlc_pP),
rlc_pP->rb_id,
tx_sn_field_lengthP);
return;
}
if (is_mXchP > 0) {
rlc_pP->tx_um_window_size = 0;
rlc_pP->rx_um_window_size = 0;
}
rlc_pP->is_mxch = is_mXchP;
rlc_pP->last_reassemblied_sn = rlc_pP->rx_sn_modulo - 1;
rlc_pP->last_reassemblied_missing_sn = rlc_pP->rx_sn_modulo - 1;
rlc_pP->reassembly_missing_sn_detected = 0;
// timers
rlc_um_init_timer_reordering(ctxt_pP,rlc_pP, timer_reorderingP);
rlc_pP->first_pdu = 1;
rlc_um_reset_state_variables (ctxt_pP,rlc_pP);
}
