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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
openair2/LAYER2/RLC/TM/rlc_tm.c
-402
View File
@@ -1,402 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/***************************************************************************
rlc_tm.c -
-------------------
AUTHOR : Lionel GAUTHIER
COMPANY : EURECOM
EMAIL : Lionel.Gauthier@eurecom.fr
***************************************************************************/
#include "platform_types.h"
//-----------------------------------------------------------------------------
#include "rlc_tm_entity.h"
#include "mac_primitives.h"
#include "rlc_primitives.h"
#include "rlc_tm_control_primitives_proto_extern.h"
#include "rlc_tm_segment_proto_extern.h"
#include "rlc_tm_reassembly_proto_extern.h"
#include "list.h"
#include "mem_block.h"
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void* rlc_tm_tx (void* arg_pP);
void rlc_tm_rx_no_segment (void* arg_pP, struct mac_data_ind data_indP);
void rlc_tm_rx_segment (void* arg_pP, struct mac_data_ind data_indP);
//-----------------------------------------------------------------------------
void
rlc_tm_get_pdus (void* arg_pP)
{
//-----------------------------------------------------------------------------
struct rlc_tm_entity* rlc = (struct rlc_tm_entity*) arg_pP;
switch (rlc->protocol_state) {
case RLC_NULL_STATE:
// from 3GPP TS 25.322 V4.2.0
// In the NULL state the RLC entity does not exist and therefore it is not possible to transfer any data through it.
// Upon reception of a CRLC-CONFIG-Req from upper layer indicating establishment, the RLC entity:
// - is created; and
// - enters the DATA_TRANSFER_READY state.
break;
case RLC_DATA_TRANSFER_READY_STATE:
rlc->segmentation (rlc);
break;
default:
msg ("[RLC_TM %p] MAC_DATA_REQ UNKNOWN PROTOCOL STATE %02X hex\n", rlc, rlc->protocol_state);
}
}
//-----------------------------------------------------------------------------
void
rlc_tm_rx_no_segment (void* arg_pP, struct mac_data_ind data_indP)
{
//-----------------------------------------------------------------------------
struct rlc_tm_entity* rlc = (struct rlc_tm_entity*) arg_pP;
mem_block_t* tb_p;
uint8_t* first_byte;
uint8_t tb_size_in_bytes;
uint8_t first_bit;
uint8_t bits_to_shift;
uint8_t bits_to_shift_last_loop;
switch (rlc->protocol_state) {
case RLC_NULL_STATE:
// from 3GPP TS 25.322 V4.2.0
// In the NULL state the RLC entity does not exist and therefore it is not possible to transfer any data through it.
// Upon reception of a CRLC-CONFIG-Req from upper layer indicating establishment, the RLC entity:
// - is created; and
// - enters the DATA_TRANSFER_READY state.
msg ("[RLC_TM %p] ERROR MAC_DATA_IND IN RLC_NULL_STATE\n", arg_pP);
list_free (&data_indP.data);
break;
case RLC_DATA_TRANSFER_READY_STATE:
rlc->output_sdu_size_to_write = 0; // size of sdu reassemblied
while ((tb_p = list_remove_head (&data_indP.data))) {
first_byte = ((struct mac_tb_ind*) (tb_p->data))->data_ptr;
tb_size_in_bytes = (data_indP.tb_size + 7) >> 3;
first_bit = ((struct mac_tb_ind*) (tb_p->data))->first_bit;
if (first_bit > 0) {
// shift data of transport_block TO CHECK
bits_to_shift_last_loop = 0;
first_byte[tb_size_in_bytes] &= (0xFF << (8 - first_bit));
while ((tb_size_in_bytes)) {
bits_to_shift = first_byte[tb_size_in_bytes - 1] >> (8 - first_bit);
first_byte[tb_size_in_bytes - 1] = (first_byte[tb_size_in_bytes - 1] << first_bit) | (bits_to_shift_last_loop);
tb_size_in_bytes -= 1;
bits_to_shift_last_loop = bits_to_shift;
}
}
((struct rlc_tm_rx_pdu_management*) (tb_p->data))->first_byte = first_byte;
if (rlc->delivery_of_erroneous_sdu == RLC_TM_DELIVERY_OF_ERRONEOUS_SDU_NO_DETECT) {
rlc_tm_send_sdu_no_segment (rlc, 0, first_byte, data_indP.tb_size);
} else if (rlc->delivery_of_erroneous_sdu == RLC_TM_DELIVERY_OF_ERRONEOUS_SDU_YES) {
rlc_tm_send_sdu_no_segment (rlc, (((struct mac_tb_ind*) (tb_p->data))->error_indication), first_byte, data_indP.tb_size);
} else { //RLC_TM_DELIVERY_OF_ERRONEOUS_SDU_NO
if (!(((struct mac_tb_ind*) (tb_p->data))->error_indication)) {
rlc_tm_send_sdu_no_segment (rlc, 0, first_byte, data_indP.tb_size);
}
}
free_mem_block (tb_p);
}
break;
default:
msg ("[rlc_tm %p] TX UNKNOWN PROTOCOL STATE %02X hex\n", rlc, rlc->protocol_state);
}
}
//-----------------------------------------------------------------------------
void
rlc_tm_rx_segment (void* arg_pP, struct mac_data_ind data_indP)
{
//-----------------------------------------------------------------------------
struct rlc_tm_entity* rlc = (struct rlc_tm_entity_s*) arg_pP;
mem_block_t* tb_p = NULL;
sdu_size_t tb_size_in_bits = 0;
uint8_t* first_byte_p = NULL;
uint8_t error_in_sdu = 0;
sdu_size_t tb_size_in_bytes= 0;
uint8_t first_bit = 0;
uint8_t byte = 0;
//just for debug
uint8_t* debug = NULL;
switch (rlc->protocol_state) {
case RLC_NULL_STATE:
// from 3GPP TS 25.322 V4.2.0
// In the NULL state the RLC entity does not exist and therefore it is not possible to transfer any data through it.
// Upon reception of a CRLC-CONFIG-Req from upper layer indicating establishment, the RLC entity:
// - is created; and
// - enters the DATA_TRANSFER_READY state.
msg ("[RLC_TM %p] ERROR MAC_DATA_IND IN RLC_NULL_STATE\n", arg_pP);
list_free (&data_indP.data);
break;
case RLC_DATA_TRANSFER_READY_STATE:
rlc->output_sdu_size_to_write = 0; // size of sdu reassemblied
switch (rlc->delivery_of_erroneous_sdu) {
case RLC_TM_DELIVERY_OF_ERRONEOUS_SDU_NO_DETECT:
break;
case RLC_TM_DELIVERY_OF_ERRONEOUS_SDU_YES:
error_in_sdu = 0;
while ((tb_p = list_remove_head (&data_indP.data))) {
if ((((struct mac_tb_ind*) (tb_p->data))->error_indication)) {
error_in_sdu = 1;
}
}
break;
case RLC_TM_DELIVERY_OF_ERRONEOUS_SDU_NO:
error_in_sdu = 0;
if (rlc->output_sdu_in_construction == NULL) {
rlc->output_sdu_in_construction = get_free_mem_block (RLC_SDU_MAX_SIZE_DATA_PLANE);
rlc->output_sdu_size_to_write = 0;
rlc->last_bit_position_reassemblied = 0;
}
debug = (uint8_t*)&rlc->output_sdu_in_construction->data[0];
while ((tb_p = list_remove_head (&data_indP.data))) {
if ((((struct mac_tb_ind*) (tb_p->data))->error_indication) && (error_in_sdu)) {
error_in_sdu = 1;
} else {
first_byte = ((struct mac_tb_ind*) (tb_p->data))->data_ptr;
tb_size_in_bytes = (data_indP.tb_size + 7) >> 3;
tb_size_in_bits = data_indP.tb_size;
first_bit = ((struct mac_tb_ind*) (tb_p->data))->first_bit;
while (tb_size_in_bits > 0) {
if ((first_bit == 0) && (rlc->last_bit_position_reassemblied == 0)) {
memcpy (&rlc->output_sdu_in_construction->data[rlc->output_sdu_size_to_write >> 3], first_byte, tb_size_in_bytes);
rlc->output_sdu_size_to_write += tb_size_in_bits;
rlc->last_bit_position_reassemblied = rlc->output_sdu_size_to_write & 0x07;
if ((rlc->last_bit_position_reassemblied)) {
rlc->output_sdu_in_construction->data[(rlc->output_sdu_size_to_write) >> 3] &= (0xFF << (8 - rlc->last_bit_position_reassemblied));
}
tb_size_in_bits = 0;
} else {
if (rlc->last_bit_position_reassemblied == 0) {
byte = first_byte[0];
rlc->output_sdu_in_construction->data[((rlc->output_sdu_size_to_write + 7) >> 3) ]
= (byte & (0xFF >> first_bit)) << first_bit;
rlc->output_sdu_size_to_write += 8 - first_bit;
rlc->last_bit_position_reassemblied = rlc->output_sdu_size_to_write & 0x07;
tb_size_in_bits -= (8 - first_bit);
first_bit = 0;
first_byte += 1;
} else if (first_bit == 0) {
byte = first_byte[0];
rlc->output_sdu_in_construction->data[((rlc->output_sdu_size_to_write) >> 3) ]
|= (byte >> rlc->last_bit_position_reassemblied);
if ((8 - rlc->last_bit_position_reassemblied) < tb_size_in_bits) {
rlc->output_sdu_size_to_write += (8 - rlc->last_bit_position_reassemblied);
} else {
rlc->output_sdu_size_to_write += tb_size_in_bits;
}
first_bit = 8 - rlc->last_bit_position_reassemblied;
tb_size_in_bits -= (8 - rlc->last_bit_position_reassemblied);
rlc->last_bit_position_reassemblied = rlc->output_sdu_size_to_write & 0x07;
// NEVER GO IN THAT BLOCK
} else if ((rlc->last_bit_position_reassemblied <= first_bit) && (rlc->last_bit_position_reassemblied > 0)) {
byte = first_byte[0];
rlc->output_sdu_in_construction->data[((rlc->output_sdu_size_to_write + 7) >> 3)]
|= ((byte & (0xFF >> first_bit)) << (first_bit - rlc->last_bit_position_reassemblied));
rlc->output_sdu_size_to_write += (8 - first_bit);
rlc->last_bit_position_reassemblied = rlc->output_sdu_size_to_write & 0x07;
tb_size_in_bits -= (8 - first_bit);
first_bit = 0;
first_byte += 1;
// now the case is last_bit_position_reassemblied != 0 && first_bit = 0
// NEVER GO IN THAT BLOCK
} else if ((rlc->last_bit_position_reassemblied > first_bit) && (rlc->last_bit_position_reassemblied > 0)) {
byte = first_byte[0];
rlc->output_sdu_in_construction->data[((rlc->output_sdu_size_to_write + 7) >> 3)]
|= ((byte >> (rlc->last_bit_position_reassemblied - first_bit)) & (0xFF >> rlc->last_bit_position_reassemblied));
rlc->output_sdu_size_to_write += (8 - rlc->last_bit_position_reassemblied);
first_bit = first_bit - (8 - rlc->last_bit_position_reassemblied);
tb_size_in_bits -= (8 - rlc->last_bit_position_reassemblied);
rlc->last_bit_position_reassemblied = rlc->output_sdu_size_to_write & 0x07;
// now the case is last_bit_position_reassemblied = 0 && first_bit != 0
}
}
}
}
free_mem_block (tb_p);
}
if (!(error_in_sdu)) {
rlc_tm_send_sdu_segment (rlc, 0);
}
break;
default:
;
}
break; //RLC_DATA_TRANSFER_READY_STATE
default:
msg ("[rlc_tm %p] TX UNKNOWN PROTOCOL STATE %02X hex\n", rlc, rlc->protocol_state);
}
}
//-----------------------------------------------------------------------------
struct mac_status_resp
rlc_tm_mac_status_indication (void* rlcP, uint16_t tb_sizeP, struct mac_status_ind tx_statusP)
{
//-----------------------------------------------------------------------------
struct mac_status_resp status_resp;
((struct rlc_tm_entity*) rlcP)->nb_pdu_requested_by_mac = 1;
((struct rlc_tm_entity*) rlcP)->rlc_pdu_size = tb_sizeP;
status_resp.buffer_occupancy_in_bytes = ((struct rlc_tm_entity*) rlcP)->buffer_occupancy;
status_resp.buffer_occupancy_in_pdus = status_resp.buffer_occupancy_in_bytes / ((struct rlc_tm_entity*) rlcP)->rlc_pdu_size;
status_resp.rlc_info.rlc_protocol_state = ((struct rlc_tm_entity*) rlcP)->protocol_state;
return status_resp;
}
//-----------------------------------------------------------------------------
struct mac_data_req
rlc_tm_mac_data_request (void* rlcP)
{
//-----------------------------------------------------------------------------
struct mac_data_req data_req;
rlc_tm_get_pdus (rlcP);
list_init (&data_req.data, NULL);
list_add_list (&((struct rlc_tm_entity*) rlcP)->pdus_to_mac_layer, &data_req.data);
data_req.buffer_occupancy_in_bytes = ((struct rlc_tm_entity*) rlcP)->buffer_occupancy;
data_req.buffer_occupancy_in_pdus = data_req.buffer_occupancy_in_bytes / ((struct rlc_tm_entity*) rlcP)->rlc_pdu_size;
data_req.rlc_info.rlc_protocol_state = ((struct rlc_tm_entity*) rlcP)->protocol_state;
((struct rlc_tm_entity*) rlcP)->last_tti = *((struct rlc_tm_entity*) rlcP)->frame_tick_milliseconds;
return data_req;
}
//-----------------------------------------------------------------------------
void
rlc_tm_mac_data_indication (void* rlcP, struct mac_data_ind data_indP)
{
//-----------------------------------------------------------------------------
((struct rlc_tm_entity*) rlcP)->rx (rlcP, data_indP);
}
//-----------------------------------------------------------------------------
void
rlc_tm_data_req (void* rlcP, mem_block_t* sduP)
{
//-----------------------------------------------------------------------------
struct rlc_tm_entity* rlc = (struct rlc_tm_entity*) rlcP;
uint8_t discard_go_on;
#ifdef DEBUG_RLC_TM_DATA_REQUEST
msg ("[RLC_TM %p] RLC_TM_DATA_REQ size %d Bytes, BO %ld , NB SDU %d current_sdu_index=%d next_sdu_index=%d\n", rlc,
((struct rlc_um_data_req*) (sduP->data))->data_size, rlc->buffer_occupancy, rlc->nb_sdu, rlc->current_sdu_index, rlc->next_sdu_index);
#endif
// From 3GPP TS 25.322 V4.2.0
// If SDU discard has not been configured for a transparent mode RLC entity, the Sender shall upon reception
// of new SDUs from upper layer:
// - discard all SDUs received from upper layer in previous TTIs that are not yet submitted to lower layer;
// - submit the new SDUs in the first possible TTI.
if ((rlc->sdu_discard_mode & RLC_SDU_DISCARD_NOT_CONFIGURED)) {
discard_go_on = 1;
while ((rlc->input_sdus[rlc->current_sdu_index]) && discard_go_on) {
if (rlc->last_tti >= ((struct rlc_tm_tx_sdu_management*) (rlc->input_sdus[rlc->current_sdu_index]->data))->sdu_creation_time) {
#ifdef DEBUG_RLC_TM_DISCARD_SDU
msg ("[RLC_TM %p] SDU DISCARDED NOT SUBMITTED IN THIS TTI %ld ms > ", rlc, rlc->last_tti);
msg ("%ld ms ", ((struct rlc_tm_tx_sdu_management*) (rlc->input_sdus[rlc->current_sdu_index]->data))->sdu_creation_time);
msg ("BO %d, NB SDU %d\n", rlc->buffer_occupancy, rlc->nb_sdu);
#endif
rlc->nb_sdu -= 1;
if (!(rlc->segmentation_indication & RLC_TM_SEGMENTATION_ALLOWED)) {
rlc->buffer_occupancy -= ((struct rlc_tm_tx_sdu_management*) (rlc->input_sdus[rlc->current_sdu_index]->data))->sdu_size;
}
free_mem_block (rlc->input_sdus[rlc->current_sdu_index]);
rlc->input_sdus[rlc->current_sdu_index] = NULL;
rlc->current_sdu_index = (rlc->current_sdu_index + 1) % rlc->size_input_sdus_buffer;
} else {
discard_go_on = 0;
}
}
}
// not in 3GPP specification but the buffer may be full if not correctly configured
if (rlc->input_sdus[rlc->next_sdu_index] == NULL) {
((struct rlc_tm_tx_sdu_management*) (sduP->data))->sdu_size = ((struct rlc_tm_data_req*) (sduP->data))->data_size;
if ((rlc->segmentation_indication & RLC_TM_SEGMENTATION_ALLOWED)) {
rlc->buffer_occupancy = ((struct rlc_tm_tx_sdu_management*) (sduP->data))->sdu_size >> 3;
} else {
rlc->buffer_occupancy += (((struct rlc_tm_tx_sdu_management*) (sduP->data))->sdu_size >> 3);
}
rlc->nb_sdu += 1;
((struct rlc_tm_tx_sdu_management*) (sduP->data))->first_byte = (uint8_t*)&sduP->data[sizeof (struct rlc_tm_data_req_alloc)];
((struct rlc_tm_tx_sdu_management*) (sduP->data))->sdu_segmented_size = 0;
((struct rlc_tm_tx_sdu_management*) (sduP->data))->sdu_creation_time = *rlc->frame_tick_milliseconds;
rlc->input_sdus[rlc->next_sdu_index] = sduP;
rlc->next_sdu_index = (rlc->next_sdu_index + 1) % rlc->size_input_sdus_buffer;
} else {
free_mem_block (sduP);
}
}
openair2/LAYER2/RLC/TM/rlc_tm_constants.h
-47
View File
@@ -1,47 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file rlc_tm_constants.h
* \brief This file defines constant values used in RLC TM.
* \author GAUTHIER Lionel
* \date 2010-2011
* \version
* \company Eurecom
* \email: lionel.gauthier@eurecom.fr
* \note
* \bug
* \warning
*/
# ifndef __RLC_TM_CONSTANT_H__
# define __RLC_TM_CONSTANT_H__
//----------------------------------------------------------
// Events defined for state model of the acknowledged mode entity
# define RLC_TM_RECEIVE_CRLC_CONFIG_REQ_ENTER_NULL_STATE_EVENT 0x00
# define RLC_TM_RECEIVE_CRLC_CONFIG_REQ_ENTER_DATA_TRANSFER_READY_STATE_EVENT 0x01
# endif
openair2/LAYER2/RLC/TM/rlc_tm_control_primitives.c
-210
View File
@@ -1,210 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/***************************************************************************
rlc_tm_control_primitives.c -
-------------------
AUTHOR : Lionel GAUTHIER
COMPANY : EURECOM
EMAIL : Lionel.Gauthier@eurecom.fr
***************************************************************************/
//#include "rtos_header.h"
#include "platform_types.h"
//-----------------------------------------------------------------------------
#include "rlc_tm_entity.h"
#include "rlc_primitives.h"
#include "rlc_tm_fsm_proto_extern.h"
#include "rlc_tm_segment_proto_extern.h"
#include "rlc_tm_proto_extern.h"
#include "list.h"
#include "mem_block.h"
#include "rrm_config_structs.h"
//-----------------------------------------------------------------------------
void config_req_rlc_tm (struct rlc_tm_entity *rlcP, module_id_t module_idP, rlc_tm_info_t * config_tmP, rb_id_t rb_idP, rb_type_t rb_typeP);
void send_rlc_tm_control_primitive (struct rlc_tm_entity *rlcP, module_id_t module_idP, mem_block_t *cprimitiveP);
void init_rlc_tm (struct rlc_tm_entity *rlcP);
void rlc_tm_reset_state_variables (struct rlc_tm_entity *rlcP);
void rlc_tm_free_all_resources (struct rlc_tm_entity *rlcP);
void rlc_tm_set_configured_parameters (struct rlc_tm_entity *rlcP, mem_block_t *cprimitiveP);
//-----------------------------------------------------------------------------
void
config_req_rlc_tm (struct rlc_tm_entity *rlcP, module_id_t module_idP, rlc_tm_info_t * config_tmP, rb_id_t rb_idP, rb_type_t rb_typeP)
{
//-----------------------------------------------------------------------------
mem_block_t *mb;
mb = get_free_mem_block (sizeof (struct crlc_primitive));
((struct crlc_primitive *) mb->data)->type = CRLC_CONFIG_REQ;
((struct crlc_primitive *) mb->data)->primitive.c_config_req.parameters.tm_parameters.e_r = RLC_E_R_ESTABLISHMENT;
((struct crlc_primitive *) mb->data)->primitive.c_config_req.parameters.tm_parameters.timer_discard = config_tmP->timer_discard;
((struct crlc_primitive *) mb->data)->primitive.c_config_req.parameters.tm_parameters.sdu_discard_mode = config_tmP->sdu_discard_mode;
#warning frame_tick_milliseconds
#ifdef NODE_RG
//((struct crlc_primitive *) mb->data)->primitive.c_config_req.parameters.tm_parameters.frame_tick_milliseconds = &protocol_bs->frame_tick_milliseconds;
#else
//((struct crlc_primitive *) mb->data)->primitive.c_config_req.parameters.tm_parameters.frame_tick_milliseconds = &protocol_ms->frame_tick_milliseconds;
#endif
((struct crlc_primitive *) mb->data)->primitive.c_config_req.parameters.tm_parameters.segmentation_indication = config_tmP->segmentation_indication;
((struct crlc_primitive *) mb->data)->primitive.c_config_req.parameters.tm_parameters.delivery_of_erroneous_sdu = config_tmP->delivery_of_erroneous_sdu;
((struct crlc_primitive *) mb->data)->primitive.c_config_req.parameters.tm_parameters.size_input_sdus_buffer = 128;
((struct crlc_primitive *) mb->data)->primitive.c_config_req.parameters.tm_parameters.rb_id = rb_idP;
send_rlc_tm_control_primitive (rlcP, module_idP, mb);
if (rb_typeP != SIGNALLING_RADIO_BEARER) {
rlcP->data_plane = 1;
} else {
rlcP->data_plane = 0;
}
}
//-----------------------------------------------------------------------------
void
send_rlc_tm_control_primitive (struct rlc_tm_entity *rlcP, module_id_t module_idP, mem_block_t *cprimitiveP)
{
//-----------------------------------------------------------------------------
switch (((struct crlc_primitive *) cprimitiveP->data)->type) {
case CRLC_CONFIG_REQ:
rlcP->module_id = module_idP;
switch (((struct crlc_primitive *) cprimitiveP->data)->primitive.c_config_req.parameters.tm_parameters.e_r) {
case RLC_E_R_ESTABLISHMENT:
if (rlc_tm_fsm_notify_event (rlcP, RLC_TM_RECEIVE_CRLC_CONFIG_REQ_ENTER_DATA_TRANSFER_READY_STATE_EVENT)) {
rlc_tm_set_configured_parameters (rlcP, cprimitiveP); // the order of the calling of procedures...
rlc_tm_reset_state_variables (rlcP); // ...must not ...
}
break;
case RLC_E_R_RELEASE:
if (rlc_tm_fsm_notify_event (rlcP, RLC_TM_RECEIVE_CRLC_CONFIG_REQ_ENTER_NULL_STATE_EVENT)) {
rlc_tm_free_all_resources (rlcP);
}
break;
default:
msg ("[RLC_TM][ERROR] send_rlc_tm_control_primitive(CRLC_CONFIG_REQ) unknown parameter E_R\n");
}
break;
default:
msg ("[RLC_TM %p][ERROR] send_rlc_tm_control_primitive(UNKNOWN CPRIMITIVE)\n", rlcP);
}
free_mem_block (cprimitiveP);
}
//-----------------------------------------------------------------------------
void
init_rlc_tm (struct rlc_tm_entity *rlcP)
{
//-----------------------------------------------------------------------------
memset (rlcP, 0, sizeof (struct rlc_tm_entity));
list_init (&rlcP->pdus_to_mac_layer, NULL);
list_init (&rlcP->pdus_from_mac_layer, NULL);
rlcP->protocol_state = RLC_NULL_STATE;
rlcP->nb_sdu = 0;
rlcP->next_sdu_index = 0;
rlcP->current_sdu_index = 0;
}
//-----------------------------------------------------------------------------
void
rlc_tm_reset_state_variables (struct rlc_tm_entity *rlcP)
{
//-----------------------------------------------------------------------------
rlcP->output_sdu_size_to_write = 0;
rlcP->buffer_occupancy = 0;
rlcP->nb_sdu = 0;
rlcP->next_sdu_index = 0;
rlcP->current_sdu_index = 0;
rlcP->last_tti = 0xFFFFFFFF;
}
//-----------------------------------------------------------------------------
void
rlc_tm_free_all_resources (struct rlc_tm_entity *rlcP)
{
//-----------------------------------------------------------------------------
int index;
list_free (&rlcP->pdus_to_mac_layer);
list_free (&rlcP->pdus_from_mac_layer);
if (rlcP->input_sdus_alloc) {
for (index = 0; index < rlcP->size_input_sdus_buffer; index++) {
if ((rlcP->input_sdus[index])) {
free_mem_block (rlcP->input_sdus[index]);
}
}
free_mem_block (rlcP->input_sdus_alloc);
rlcP->input_sdus_alloc = NULL;
}
if ((rlcP->output_sdu_in_construction)) {
free_mem_block (rlcP->output_sdu_in_construction);
}
}
//-----------------------------------------------------------------------------
void
rlc_tm_set_configured_parameters (struct rlc_tm_entity *rlcP, mem_block_t *cprimitiveP)
{
//-----------------------------------------------------------------------------
// timers
rlcP->timer_discard_init = ((struct crlc_primitive *) cprimitiveP->data)->primitive.c_config_req.parameters.tm_parameters.timer_discard;
// protocol_parameters
rlcP->sdu_discard_mode = ((struct crlc_primitive *) cprimitiveP->data)->primitive.c_config_req.parameters.tm_parameters.sdu_discard_mode;
rlcP->segmentation_indication = ((struct crlc_primitive *) cprimitiveP->data)->primitive.c_config_req.parameters.tm_parameters.segmentation_indication;
rlcP->delivery_of_erroneous_sdu = ((struct crlc_primitive *) cprimitiveP->data)->primitive.c_config_req.parameters.tm_parameters.delivery_of_erroneous_sdu;
// SPARE : not 3GPP
rlcP->frame_tick_milliseconds = ((struct crlc_primitive *) cprimitiveP->data)->primitive.c_config_req.parameters.tm_parameters.frame_tick_milliseconds;
rlcP->size_input_sdus_buffer = ((struct crlc_primitive *) cprimitiveP->data)->primitive.c_config_req.parameters.tm_parameters.size_input_sdus_buffer;
rlcP->rb_id = ((struct crlc_primitive *) cprimitiveP->data)->primitive.c_config_req.parameters.tm_parameters.rb_id;
if ((rlcP->input_sdus_alloc == NULL) && (rlcP->size_input_sdus_buffer > 0)) {
rlcP->input_sdus_alloc = get_free_mem_block (rlcP->size_input_sdus_buffer * sizeof (void *));
rlcP->input_sdus = (mem_block_t **) (rlcP->input_sdus_alloc->data);
memset (rlcP->input_sdus, 0, rlcP->size_input_sdus_buffer * sizeof (void *));
}
if (rlcP->segmentation_indication == RLC_TM_SEGMENTATION_ALLOWED) {
rlcP->segmentation = rlc_tm_segment;
rlcP->rx = rlc_tm_rx_segment;
} else {
rlcP->segmentation = rlc_tm_no_segment;
rlcP->rx = rlc_tm_rx_no_segment;
}
}
openair2/LAYER2/RLC/TM/rlc_tm_control_primitives_proto_extern.h
-54
View File
@@ -1,54 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file rlc_tm_control_primitives_proto_extern.h
* \brief This file defines the prototypes of the functions dealing with the control primitives and initialization.
* \author GAUTHIER Lionel
* \date 2010-2011
* \version
* \company Eurecom
* \email: lionel.gauthier@eurecom.fr
* \note
* \bug
* \warning
*/
# ifndef __RLC_TM_CONTROL_PRIMITIVES_H__
# define __RLC_TM_CONTROL_PRIMITIVES_H__
//-----------------------------------------------------------------------------
# include "rlc_tm_entity.h"
# include "mem_block.h"
# include "rrm_config_structs.h"
//-----------------------------------------------------------------------------
extern void config_req_rlc_tm (struct rlc_tm_entity *rlcP, module_id_t module_idP,rlc_tm_info_t * config_tmP, rb_id_t rb_idP, rb_type_t rb_typeP);
extern void send_rlc_tm_control_primitive (struct rlc_tm_entity *rlcP, module_id_t module_idP, mem_block_t *cprimitiveP);
extern void init_rlc_tm (struct rlc_tm_entity *rlcP);
extern void rlc_tm_reset_state_variables (struct rlc_tm_entity *rlcP);
extern void rlc_tm_free_all_resources (struct rlc_tm_entity *rlcP);
extern void rlc_tm_set_configured_parameters (struct rlc_tm_entity *rlcP, mem_block_t *cprimitiveP);
# endif
openair2/LAYER2/RLC/TM/rlc_tm_entity.h
-105
View File
@@ -1,105 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file rlc_tm_entity.h
* \brief This file defines the RLC TM variables stored in a struct called rlc_tm_entity_t.
* \author GAUTHIER Lionel
* \date 2010-2011
* \version
* \note
* \bug
* \warning
*/
# ifndef __RLC_TM_ENTITY_H__
# define __RLC_TM_ENTITY_H__
//-----------------------------------------------------------------------------
# include "platform_types.h"
# include "platform_constants.h"
# include "rlc_tm_structs.h"
# include "rlc_def.h"
//-----------------------------------------------------------------------------
struct rlc_tm_entity {
module_id_t module_id;
uint8_t allocation;
uint8_t protocol_state;
// for stats and trace purpose :
uint16_t data_plane; // act as a boolean
uint16_t rb_id;
//-----------------------------
// discard info
//-----------------------------
uint8_t sdu_discard_mode;
//-----------------------------
// time
//-----------------------------
uint16_t timer_discard_init;
uint32_t *frame_tick_milliseconds; // pointer on this tick variable handled by RRC : READ ONLY
int32_t last_tti;
//-----------------------------
// tranmission
//-----------------------------
// sdu communication;
mem_block_t **input_sdus; // should be accessed as an array
mem_block_t *input_sdus_alloc; // allocation of the array
uint16_t size_input_sdus_buffer;
uint16_t nb_sdu;
void (*segmentation) (struct rlc_tm_entity * rlcP);
uint16_t next_sdu_index; // next location of incoming sdu
uint16_t current_sdu_index;
list_t pdus_to_mac_layer;
uint16_t rlc_pdu_size;
uint16_t nb_pdu_requested_by_mac;
uint8_t segmentation_indication;
uint8_t delivery_of_erroneous_sdu;
uint32_t buffer_occupancy;
//-----------------------------
// receiver
//-----------------------------
unsigned int output_sdu_size_to_write; // for writing in sdu
mem_block_t *output_sdu_in_construction;
void (*rx) (void *argP, struct mac_data_ind data_indP);
uint8_t last_bit_position_reassemblied;
list_t pdus_from_mac_layer;
//-----------------------------
// C-SAP
//-----------------------------
list_t c_sap;
//-----------------------------
// Mapping info
//-----------------------------
uint8_t logical_channel_identity;
};
# endif
openair2/LAYER2/RLC/TM/rlc_tm_fsm.c
-93
View File
@@ -1,93 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/***************************************************************************
rlc_tm_fsm.c -
-------------------
AUTHOR : Lionel GAUTHIER
COMPANY : EURECOM
EMAIL : Lionel.Gauthier@eurecom.fr
***************************************************************************/
#include "platform_types.h"
//-----------------------------------------------------------------------------
#include "rlc_tm_entity.h"
#include "rlc_tm_constants.h"
#include "rlc_def.h"
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
int
rlc_tm_fsm_notify_event (struct rlc_tm_entity *rlcP, uint8_t eventP)
{
//-----------------------------------------------------------------------------
switch (rlcP->protocol_state) {
//-------------------------------
// RLC_NULL_STATE
//-------------------------------
case RLC_NULL_STATE:
switch (eventP) {
case RLC_TM_RECEIVE_CRLC_CONFIG_REQ_ENTER_DATA_TRANSFER_READY_STATE_EVENT:
#ifdef DEBUG_RLC_TM_FSM
msg ("[RLC_TM %p][FSM] RLC_NULL_STATE -> RLC_DATA_TRANSFER_READY_STATE\n", rlcP);
#endif
rlcP->protocol_state = RLC_DATA_TRANSFER_READY_STATE;
return 1;
break;
default:
msg ("[RLC_TM %p][FSM] WARNING PROTOCOL ERROR - EVENT %02X hex NOT EXPECTED FROM NULL_STATE\n", rlcP, eventP);
return 0;
}
break;
//-------------------------------
// RLC_DATA_TRANSFER_READY_STATE
//-------------------------------
case RLC_DATA_TRANSFER_READY_STATE:
switch (eventP) {
case RLC_TM_RECEIVE_CRLC_CONFIG_REQ_ENTER_NULL_STATE_EVENT:
#ifdef DEBUG_RLC_TM_FSM
msg ("[RLC_TM %p][FSM] RLC_DATA_TRANSFER_READY_STATE -> RLC_NULL_STATE\n", rlcP);
#endif
rlcP->protocol_state = RLC_NULL_STATE;
return 1;
break;
}
break;
default:
msg ("[RLC_TM %p][FSM] ERROR UNKNOWN STATE %d\n", rlcP, rlcP->protocol_state);
return 0;
}
return 0;
}
openair2/LAYER2/RLC/TM/rlc_tm_fsm_proto_extern.h
-48
View File
@@ -1,48 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file rlc_tm_fsm_proto_extern.h
* \brief This file defines the prototypes of the functions dealing with the finite state machine of the RLC TM protocol instance.
* \author GAUTHIER Lionel
* \date 2010-2011
* \version
* \company Eurecom
* \email: lionel.gauthier@eurecom.fr
* \note
* \bug
* \warning
*/
# ifndef __RLC_TM_FSM_H__
# define __RLC_TM_FSM_H__
//-----------------------------------------------------------------------------
# include "platform_types.h"
# include "rlc_tm_entity.h"
//-----------------------------------------------------------------------------
extern int rlc_tm_fsm_notify_event (struct rlc_tm_entity *rlcP, uint8_t eventP);
# endif
openair2/LAYER2/RLC/TM/rlc_tm_proto_extern.h
-53
View File
@@ -1,53 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
# ifndef __RLC_TM_PROTO_EXTERN_H__
# define __RLC_TM_PROTO_EXTERN_H__
//-----------------------------------------------------------------------------
# include "platform_types.h"
# include "platform_constants.h"
//-----------------------------------------------------------------------------
# include "list.h"
# include "rlc_tm_entity.h"
# include "mac_primitives.h"
# include "mem_block.h"
//-----------------------------------------------------------------------------
extern void display_protocol_vars_rlc_tm (struct rlc_tm_entity *rlcP);
extern uint32_t rlc_tm_get_buffer_occupancy (struct rlc_tm_entity *rlcP, uint8_t logical_channelsP);
extern void init_rlc_tm (struct rlc_tm_entity *rlcP);
extern void *rlc_tm_tx (void *argP);
extern void rlc_tm_rx_no_segment (void *argP, struct mac_data_ind data_indP);
extern void rlc_tm_rx_segment (void *argP, struct mac_data_ind data_indP);
extern void send_rlc_tm_control_primitive (struct rlc_tm_entity *rlcP, module_id_t module_idP, mem_block_t *cprimitiveP);
extern struct mac_status_resp rlc_tm_mac_status_indication (void *rlcP, uint16_t tb_sizeP, struct mac_status_ind tx_statusP);
extern struct mac_data_req rlc_tm_mac_data_request (void *rlcP);
extern void rlc_tm_mac_data_indication (void *rlcP, struct mac_data_ind data_indP);
extern void rlc_tm_data_req (void *rlcP, mem_block_t *sduP);
# endif
openair2/LAYER2/RLC/TM/rlc_tm_reassembly.c
-102
View File
@@ -1,102 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/***************************************************************************
rlc_tm_reassembly.c -
-------------------
AUTHOR : Lionel GAUTHIER
COMPANY : EURECOM
EMAIL : Lionel.Gauthier@eurecom.fr
***************************************************************************/
#define RLC_TM_C
//#include "rtos_header.h"
#include "platform_types.h"
//-----------------------------------------------------------------------------
#include "rlc.h"
#include "rlc_tm_structs.h"
#include "rlc_primitives.h"
#include "rlc_tm_constants.h"
#include "list.h"
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void
rlc_tm_send_sdu_no_segment (struct rlc_tm_entity *rlcP, uint8_t error_indicationP, uint8_t * srcP, uint16_t length_in_bitsP)
{
//-----------------------------------------------------------------------------
int length_in_bytes;
#ifdef DEBUG_RLC_TM_DISPLAY_ASCII_DATA
int index;
#endif
#ifdef DEBUG_RLC_TM_REASSEMBLY
msg ("[RLC_TM %p][SEND_SDU] %d bits\n", rlcP, length_in_bitsP);
#endif
length_in_bytes = (length_in_bitsP + 7) >> 3;
if (rlcP->output_sdu_in_construction == NULL) {
rlcP->output_sdu_in_construction = get_free_mem_block (length_in_bytes);
}
if ((rlcP->output_sdu_in_construction)) {
#ifdef DEBUG_RLC_TM_DISPLAY_ASCII_DATA
msg ("[RLC_TM %p][SEND_SDU] DATA :", rlcP);
for (index = 0; index < length_in_bytes; index++) {
msg ("%c", srcP[index]);
}
msg ("\n");
#endif
memcpy (&rlcP->output_sdu_in_construction->data[rlcP->output_sdu_size_to_write], srcP, length_in_bytes);
#warning loss of error indication parameter
rlc_data_ind (rlcP->module_id, rlcP->rb_id, length_in_bytes, rlcP->output_sdu_in_construction, rlcP->data_plane);
rlcP->output_sdu_in_construction = NULL;
} else {
msg ("[RLC_TM %p][SEND_SDU] ERROR OUTPUT SDU IS NULL\n", rlcP);
}
}
//-----------------------------------------------------------------------------
void
rlc_tm_send_sdu_segment (struct rlc_tm_entity *rlcP, uint8_t error_indicationP)
{
//-----------------------------------------------------------------------------
if ((rlcP->output_sdu_in_construction) && (rlcP->output_sdu_size_to_write)) {
#ifdef DEBUG_RLC_TM_SEND_SDU
msg ("[RLC_TM %p] SEND_SDU %d bytes\n", rlcP, rlcP->output_sdu_size_to_write);
#endif
#warning loss of error indication parameter
rlc_data_ind (rlcP->module_id, rlcP->rb_id, rlcP->output_sdu_size_to_write, rlcP->output_sdu_in_construction, rlcP->data_plane);
rlcP->output_sdu_in_construction = NULL;
rlcP->output_sdu_size_to_write = 0;
}
}
openair2/LAYER2/RLC/TM/rlc_tm_reassembly_proto_extern.h
-48
View File
@@ -1,48 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file rlc_tm_reassembly_proto_extern.h
* \brief This file defines the prototypes of the functions dealing with the reassembly and the sent of SDUs to upper layer.
* \author GAUTHIER Lionel
* \date 2010-2011
* \version
* \company Eurecom
* \email: lionel.gauthier@eurecom.fr
* \note
* \bug
* \warning
*/
# ifndef __RLC_TM_REASSEMBLY_H__
# define __RLC_TM_REASSEMBLY_H__
//-----------------------------------------------------------------------------
# include "rlc_tm_entity.h"
//-----------------------------------------------------------------------------
extern void rlc_tm_send_sdu_no_segment (struct rlc_tm_entity *rlcP, uint8_t error_indicationP, uint8_t * srcP, uint16_t length_in_bitsP);
extern void rlc_tm_send_sdu_segment (struct rlc_tm_entity *rlcP, uint8_t error_indicationP);
# endif
openair2/LAYER2/RLC/TM/rlc_tm_segment.c
-185
View File
@@ -1,185 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/***************************************************************************
rlc_tm_segment.c -
-------------------
AUTHOR : Lionel GAUTHIER
COMPANY : EURECOM
EMAIL : Lionel.Gauthier@eurecom.fr
***************************************************************************/
//#include "rtos_header.h"
#include "platform_types.h"
//-----------------------------------------------------------------------------
#include "list.h"
#include "rlc_tm_entity.h"
#include "rlc_tm_structs.h"
#include "rlc_primitives.h"
#include "mem_block.h"
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void
rlc_tm_no_segment (struct rlc_tm_entity* rlcP)
{
//-----------------------------------------------------------------------------
mem_block_t* pdu;
struct rlc_tm_tx_sdu_management* sdu_mngt;
struct rlc_tm_tx_pdu_management* pdu_mngt;
int discard_go_on;
int nb_pdu_to_transmit;
nb_pdu_to_transmit = rlcP->nb_pdu_requested_by_mac;
pdu = NULL;
if ((rlcP->sdu_discard_mode & RLC_SDU_DISCARD_TIMER_BASED_NO_EXPLICIT)) {
discard_go_on = 1;
while ((rlcP->input_sdus[rlcP->current_sdu_index]) && discard_go_on) {
if ((*rlcP->frame_tick_milliseconds - ((struct rlc_tm_tx_sdu_management*) (rlcP->input_sdus[rlcP->current_sdu_index]->data))->sdu_creation_time) >=
rlcP->timer_discard_init) {
#ifdef DEBUG_RLC_TM_DISCARD_SDU
msg("[RLC_TM %p] SDU DISCARDED TIMED OUT %ld ms ", rlcP,
(*rlcP->frame_tick_milliseconds - ((struct rlc_tm_tx_sdu_management*) (rlcP->input_sdus[rlcP->current_sdu_index]->data))->sdu_creation_time));
msg("BO %d, NB SDU %d\n", rlcP->buffer_occupancy, rlcP->nb_sdu);
#endif
rlcP->buffer_occupancy -= (((struct rlc_tm_tx_sdu_management*) (rlcP->input_sdus[rlcP->current_sdu_index]->data))->sdu_size >> 3);
rlcP->nb_sdu -= 1;
free_mem_block (rlcP->input_sdus[rlcP->current_sdu_index]);
rlcP->input_sdus[rlcP->current_sdu_index] = NULL;
rlcP->current_sdu_index = (rlcP->current_sdu_index + 1) % rlcP->size_input_sdus_buffer;
} else {
discard_go_on = 0;
}
}
}
// only one SDU per TTI
while ((rlcP->input_sdus[rlcP->current_sdu_index]) && (nb_pdu_to_transmit > 0)) {
sdu_mngt = ((struct rlc_tm_tx_sdu_management*) (rlcP->input_sdus[rlcP->current_sdu_index]->data));
//PRINT_RLC_TM_SEGMENT("[RLC_TM %p] SEGMENT GET NEW SDU %p AVAILABLE SIZE %d Bytes\n", rlcP, sdu_mngt, sdu_mngt->sdu_remaining_size);
if (!(pdu = get_free_mem_block (((rlcP->rlc_pdu_size + 7) >> 3) + sizeof (struct rlc_tm_tx_data_pdu_struct) + GUARD_CRC_LIH_SIZE))) {
msg ("[RLC_TM %p][SEGMENT] ERROR COULD NOT GET NEW PDU, EXIT\n", rlcP);
return;
}
// SHOULD BE OPTIMIZED...SOON
pdu_mngt = (struct rlc_tm_tx_pdu_management*) (pdu->data);
memset (pdu->data, 0, sizeof (struct rlc_tm_tx_pdu_management));
pdu_mngt->first_byte = (uint8_t*)&pdu->data[sizeof (struct rlc_tm_tx_data_pdu_struct)];
memcpy (pdu_mngt->first_byte, sdu_mngt->first_byte, ((rlcP->rlc_pdu_size + 7) >> 3));
((struct mac_tb_req*) (pdu->data))->rlc = NULL;
((struct mac_tb_req*) (pdu->data))->data_ptr = pdu_mngt->first_byte;
((struct mac_tb_req*) (pdu->data))->first_bit = 0;
((struct mac_tb_req*) (pdu->data))->tb_size_in_bits = rlcP->rlc_pdu_size;
list_add_tail_eurecom (pdu, &rlcP->pdus_to_mac_layer);
rlcP->buffer_occupancy -= (sdu_mngt->sdu_size >> 3);
free_mem_block (rlcP->input_sdus[rlcP->current_sdu_index]);
rlcP->input_sdus[rlcP->current_sdu_index] = NULL;
rlcP->current_sdu_index = (rlcP->current_sdu_index + 1) % rlcP->size_input_sdus_buffer;
rlcP->nb_sdu -= 1;
}
}
//-----------------------------------------------------------------------------
void
rlc_tm_segment (struct rlc_tm_entity* rlcP)
{
//-----------------------------------------------------------------------------
mem_block_t* pdu;
struct rlc_tm_tx_sdu_management* sdu_mngt;
struct rlc_tm_tx_pdu_management* pdu_mngt;
int discard_go_on;
int nb_pdu_to_transmit;
nb_pdu_to_transmit = rlcP->nb_pdu_requested_by_mac;
pdu = NULL;
if ((rlcP->sdu_discard_mode & RLC_SDU_DISCARD_TIMER_BASED_NO_EXPLICIT)) {
discard_go_on = 1;
while ((rlcP->input_sdus[rlcP->current_sdu_index]) && discard_go_on) {
if ((*rlcP->frame_tick_milliseconds - ((struct rlc_tm_tx_sdu_management*) (rlcP->input_sdus[rlcP->current_sdu_index]->data))->sdu_creation_time) >=
rlcP->timer_discard_init) {
#ifdef DEBUG_RLC_TM_DISCARD_SDU
msg("[RLC_TM %p] SDU DISCARDED TIMED OUT %ld ms ", rlcP,
(*rlcP->frame_tick_milliseconds - ((struct rlc_tm_tx_sdu_management*) (rlcP->input_sdus[rlcP->current_sdu_index]->data))->sdu_creation_time));
msg ("BO %d, NB SDU %d\n", rlcP->buffer_occupancy, rlcP->nb_sdu);
#endif
rlcP->nb_sdu -= 1;
free_mem_block (rlcP->input_sdus[rlcP->current_sdu_index]);
rlcP->input_sdus[rlcP->current_sdu_index] = NULL;
rlcP->current_sdu_index = (rlcP->current_sdu_index + 1) % rlcP->size_input_sdus_buffer;
} else {
discard_go_on = 0;
}
}
}
// only one SDU per TTI
if ((rlcP->input_sdus[rlcP->current_sdu_index])) {
sdu_mngt = (struct rlc_tm_tx_sdu_management*) (rlcP->input_sdus[rlcP->current_sdu_index]->data);
//PRINT_RLC_TM_SEGMENT("[RLC_TM %p] SEGMENT GET NEW SDU %p AVAILABLE SIZE %d Bytes\n", rlcP, sdu_mngt, sdu_mngt->sdu_remaining_size);
while ((nb_pdu_to_transmit > 0) && (sdu_mngt->sdu_segmented_size < sdu_mngt->sdu_size)) {
if (!(pdu = get_free_mem_block (((rlcP->rlc_pdu_size + 7) >> 3) + 1 + sizeof (struct rlc_tm_tx_data_pdu_struct) + GUARD_CRC_LIH_SIZE))) {
msg ("[RLC_TM %p][SEGMENT] ERROR COULD NOT GET NEW PDU, EXIT\n", rlcP);
return;
}
// SHOULD BE OPTIMIZED...SOON
pdu_mngt = (struct rlc_tm_tx_pdu_management*) (pdu->data);
memset (pdu->data, 0, sizeof (struct rlc_tm_tx_pdu_management));
pdu_mngt->first_byte = (uint8_t*)&pdu->data[sizeof (struct rlc_tm_tx_data_pdu_struct)];
memcpy (pdu_mngt->first_byte, &sdu_mngt->first_byte[sdu_mngt->sdu_segmented_size >> 3], ((rlcP->rlc_pdu_size + 7) >> 3));
((struct mac_tb_req*) (pdu->data))->rlc = NULL;
((struct mac_tb_req*) (pdu->data))->data_ptr = pdu_mngt->first_byte;
((struct mac_tb_req*) (pdu->data))->first_bit = sdu_mngt->sdu_segmented_size & 0x07;
((struct mac_tb_req*) (pdu->data))->tb_size_in_bits = rlcP->rlc_pdu_size;
list_add_tail_eurecom (pdu, &rlcP->pdus_to_mac_layer);
sdu_mngt->sdu_segmented_size += rlcP->rlc_pdu_size;
nb_pdu_to_transmit -= 1;
}
free_mem_block (rlcP->input_sdus[rlcP->current_sdu_index]);
rlcP->input_sdus[rlcP->current_sdu_index] = NULL;
rlcP->current_sdu_index = (rlcP->current_sdu_index + 1) % rlcP->size_input_sdus_buffer;
rlcP->nb_sdu -= 1;
}
if ((rlcP->input_sdus[rlcP->current_sdu_index])) {
rlcP->buffer_occupancy = ((struct rlc_tm_tx_sdu_management*) (rlcP->input_sdus[rlcP->current_sdu_index]->data))->sdu_size >> 3;
} else {
rlcP->buffer_occupancy = 0;
}
}
openair2/LAYER2/RLC/TM/rlc_tm_segment_proto_extern.h
-48
View File
@@ -1,48 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file rlc_tm_segment_proto_extern.h
* \brief This file defines the prototypes of the functions dealing with the segmentation of SDUs coming from upper layers.
* \author GAUTHIER Lionel
* \date 2010-2011
* \version
* \company Eurecom
* \email: lionel.gauthier@eurecom.fr
* \note
* \bug
* \warning
*/
# ifndef __RLC_TM_SEGMENT_H__
# define __RLC_TM_SEGMENT_H__
//-----------------------------------------------------------------------------
# include "rlc_tm_entity.h"
//-----------------------------------------------------------------------------
extern void rlc_tm_segment (struct rlc_tm_entity *rlcP);
extern void rlc_tm_no_segment (struct rlc_tm_entity *rlcP);
# endif
openair2/LAYER2/RLC/TM/rlc_tm_structs.h
-90
View File
@@ -1,90 +0,0 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file rlc_tm_structs.h
* \brief This file defines structures used inside the RLC TM.
* \author GAUTHIER Lionel
* \date 2010-2011
* \version
* \company Eurecom
* \email: lionel.gauthier@eurecom.fr
* \note
* \bug
* \warning
*/
# ifndef __RLC_TM_STRUCTS_H__
# define __RLC_TM_STRUCTS_H__
//-----------------------
# include "platform_types.h"
# include "platform_constants.h"
# include "list.h"
# include "mem_block.h"
# include "rlc_tm_constants.h"
# include "rlc_primitives.h"
# include "mac_primitives.h"
# include "mac_rlc_primitives.h"
//-----------------------
struct rlc_tm_tx_sdu_management {
uint8_t *first_byte;
int32_t sdu_creation_time;
uint16_t sdu_segmented_size;
uint16_t sdu_size;
};
//-----------------------
struct rlc_tm_tx_pdu_management {
uint8_t *first_byte;
uint8_t dummy[MAC_HEADER_MAX_SIZE];
};
//-----------------------
struct rlc_tm_rx_pdu_management {
uint8_t *first_byte;
};
//-----------------------
struct rlc_tm_tx_data_pdu_struct {
union {
struct rlc_tm_tx_pdu_management tx_pdu_mngmnt;
struct mac_tb_req tb_req;
struct mac_tx_tb_management tb_mngt;
# ifdef BYPASS_L1
struct rlc_tm_rx_pdu_management dummy1;
struct mac_tb_ind dummy2;
struct mac_rx_tb_management dummy3;
struct rlc_indication dummy4;
# endif
} dummy;
uint8_t data[1];
};
//-----------------------
struct rlc_tm_data_req_alloc { // alloc enought bytes for sdu mngt also
union {
struct rlc_tm_data_req dummy1;
struct rlc_tm_tx_sdu_management dummy2;
} dummy;
};
# endif