//-----------------------------------------------------------------------------
void
send_rlc_um_control_primitive (struct rlc_um_entity *rlcP, struct mem_block *cprimitiveP)
{
//-----------------------------------------------------------------------------
switch (((struct crlc_primitive *) cprimitiveP->data)->type) {
case CRLC_CONFIG_REQ:
switch (((struct crlc_primitive *) cprimitiveP->data)->primitive.c_config_req.parameters.um_parameters.e_r) {
case RLC_E_R_ESTABLISHMENT:
if (rlc_um_fsm_notify_event (rlcP, RLC_UM_RECEIVE_CRLC_CONFIG_REQ_ENTER_DATA_TRANSFER_READY_STATE_EVENT)) {
rlc_um_set_configured_parameters (rlcP, cprimitiveP); // the order of the calling of procedures...
rlc_um_reset_state_variables (rlcP); // ...must not ...
}
break;
case RLC_E_R_MODIFICATION:
msg ("[RLC_UM][ERROR] send_rlc_um_control_primitive(CRLC_CONFIG_REQ) RLC_AM_E_R_MODIFICATION not handled\n");
break;
case RLC_E_R_RELEASE:
if (rlc_um_fsm_notify_event (rlcP, RLC_UM_RECEIVE_CRLC_CONFIG_REQ_ENTER_NULL_STATE_EVENT)) {
rlc_um_free_all_resources (rlcP);
}
break;
default:
msg ("[RLC_UM][ERROR] send_rlc_um_control_primitive(CRLC_CONFIG_REQ) unknown parameter E_R\n");
}
break;
case CRLC_RESUME_REQ:
msg ("[RLC_UM][ERROR] send_rlc_um_control_primitive(CRLC_RESUME_REQ) cprimitive not handled\n");
break;
default:
msg ("[RLC_UM %p][ERROR] send_rlc_um_control_primitive(UNKNOWN CPRIMITIVE)\n", rlcP);
}
free_mem_block (cprimitiveP);
}
//-----------------------------------------------------------------------------
void rlc_um_configure(
rlc_um_entity_t * const rlc_pP,
const frame_t frameP,
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, "[FRAME %05d][%s][RLC_UM][MOD %u/%u][RB %u][CONFIGURE] INVALID RX SN LENGTH %d BITS NOT IMPLEMENTED YET, RLC NOT CONFIGURED\n",
frameP,
(rlc_pP->is_enb) ? "eNB" : "UE",
rlc_pP->enb_module_id,
rlc_pP->ue_module_id,
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, "[FRAME %05d][%s][RLC_UM][MOD %02d/%02][RB %u][CONFIGURE] INVALID RX SN LENGTH %d BITS NOT IMPLEMENTED YET, RLC NOT CONFIGURED\n",
frameP,
(rlc_pP->is_enb) ? "eNB" : "UE",
rlc_pP->enb_module_id,
rlc_pP->ue_module_id,
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(rlc_pP, timer_reorderingP);
rlc_pP->first_pdu = 1;
rlc_um_reset_state_variables (rlc_pP);
}
//-----------------------------------------------------------------------------
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);
}
