217 lines
7.8 KiB
C
217 lines
7.8 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include "nr_rlc_entity.h"
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#include <stdlib.h>
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#include "nr_rlc_entity_am.h"
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#include "nr_rlc_entity_um.h"
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#include "nr_rlc_entity_tm.h"
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#include "LOG/log.h"
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#include "common/utils/time_stat.h"
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static void nr_rlc_entity_get_stats(
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nr_rlc_entity_t *entity,
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nr_rlc_statistics_t *out)
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{
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// printf("Stats from the RLC entity asked\n");
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*out = entity->stats;
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if (entity->avg_time_is_on)
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out->txsdu_avg_time_to_tx = time_average_get_average(entity->txsdu_avg_time_to_tx,
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time_average_now());
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else
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out->txsdu_avg_time_to_tx = 0;
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}
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nr_rlc_entity_t *new_nr_rlc_entity_am(
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int rx_maxsize,
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int tx_maxsize,
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void (*deliver_sdu)(void *deliver_sdu_data, struct nr_rlc_entity_t *entity,
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char *buf, int size),
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void *deliver_sdu_data,
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void (*sdu_successful_delivery)(void *sdu_successful_delivery_data,
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struct nr_rlc_entity_t *entity,
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int sdu_id),
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void *sdu_successful_delivery_data,
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void (*max_retx_reached)(void *max_retx_reached_data,
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struct nr_rlc_entity_t *entity),
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void *max_retx_reached_data,
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int t_poll_retransmit,
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int t_reassembly,
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int t_status_prohibit,
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int poll_pdu,
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int poll_byte,
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int max_retx_threshold,
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int sn_field_length)
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{
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nr_rlc_entity_am_t *ret;
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ret = calloc(1, sizeof(nr_rlc_entity_am_t));
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if (ret == NULL) {
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LOG_E(RLC, "%s:%d:%s: out of memory\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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ret->tx_maxsize = tx_maxsize;
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ret->rx_maxsize = rx_maxsize;
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ret->t_poll_retransmit = t_poll_retransmit;
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ret->t_reassembly = t_reassembly;
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ret->t_status_prohibit = t_status_prohibit;
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ret->poll_pdu = poll_pdu;
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ret->poll_byte = poll_byte;
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ret->max_retx_threshold = max_retx_threshold;
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ret->sn_field_length = sn_field_length;
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if (!(sn_field_length == 12 || sn_field_length == 18)) {
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LOG_E(RLC, "%s:%d:%s: wrong SN field_lenght (%d), must be 12 or 18\n",
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__FILE__, __LINE__, __FUNCTION__, sn_field_length);
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exit(1);
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}
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ret->sn_modulus = 1 << ret->sn_field_length;
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ret->window_size = ret->sn_modulus / 2;
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ret->common.recv_pdu = nr_rlc_entity_am_recv_pdu;
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ret->common.buffer_status = nr_rlc_entity_am_buffer_status;
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ret->common.generate_pdu = nr_rlc_entity_am_generate_pdu;
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ret->common.recv_sdu = nr_rlc_entity_am_recv_sdu;
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ret->common.set_time = nr_rlc_entity_am_set_time;
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ret->common.discard_sdu = nr_rlc_entity_am_discard_sdu;
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ret->common.reestablishment = nr_rlc_entity_am_reestablishment;
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ret->common.delete = nr_rlc_entity_am_delete;
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ret->common.available_tx_space = nr_rlc_entity_am_available_tx_space;
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ret->common.get_stats = nr_rlc_entity_get_stats;
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ret->common.deliver_sdu = deliver_sdu;
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ret->common.deliver_sdu_data = deliver_sdu_data;
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ret->common.sdu_successful_delivery = sdu_successful_delivery;
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ret->common.sdu_successful_delivery_data = sdu_successful_delivery_data;
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ret->common.max_retx_reached = max_retx_reached;
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ret->common.max_retx_reached_data = max_retx_reached_data;
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ret->common.stats.mode = NR_RLC_AM;
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/* let's take average over the last 100 milliseconds
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* initial_size of 1024 is arbitrary
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*/
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ret->common.txsdu_avg_time_to_tx = time_average_new(100 * 1000, 1024);
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return (nr_rlc_entity_t *)ret;
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}
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nr_rlc_entity_t *new_nr_rlc_entity_um(
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int rx_maxsize,
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int tx_maxsize,
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void (*deliver_sdu)(void *deliver_sdu_data, struct nr_rlc_entity_t *entity,
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char *buf, int size),
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void *deliver_sdu_data,
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int t_reassembly,
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int sn_field_length)
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{
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nr_rlc_entity_um_t *ret;
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ret = calloc(1, sizeof(nr_rlc_entity_um_t));
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if (ret == NULL) {
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LOG_E(RLC, "%s:%d:%s: out of memory\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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ret->tx_maxsize = tx_maxsize;
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ret->rx_maxsize = rx_maxsize;
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ret->t_reassembly = t_reassembly;
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ret->sn_field_length = sn_field_length;
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if (!(sn_field_length == 6 || sn_field_length == 12)) {
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LOG_E(RLC, "%s:%d:%s: wrong SN field_lenght (%d), must be 6 or 12\n",
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__FILE__, __LINE__, __FUNCTION__, sn_field_length);
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exit(1);
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}
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ret->sn_modulus = 1 << ret->sn_field_length;
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ret->window_size = ret->sn_modulus / 2;
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ret->common.recv_pdu = nr_rlc_entity_um_recv_pdu;
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ret->common.buffer_status = nr_rlc_entity_um_buffer_status;
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ret->common.generate_pdu = nr_rlc_entity_um_generate_pdu;
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ret->common.recv_sdu = nr_rlc_entity_um_recv_sdu;
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ret->common.set_time = nr_rlc_entity_um_set_time;
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ret->common.discard_sdu = nr_rlc_entity_um_discard_sdu;
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ret->common.reestablishment = nr_rlc_entity_um_reestablishment;
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ret->common.delete = nr_rlc_entity_um_delete;
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ret->common.available_tx_space = nr_rlc_entity_um_available_tx_space;
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ret->common.get_stats = nr_rlc_entity_get_stats;
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ret->common.deliver_sdu = deliver_sdu;
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ret->common.deliver_sdu_data = deliver_sdu_data;
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ret->common.stats.mode = NR_RLC_UM;
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/* let's take average over the last 100 milliseconds
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* initial_size of 1024 is arbitrary
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*/
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ret->common.txsdu_avg_time_to_tx = time_average_new(100 * 1000, 1024);
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return (nr_rlc_entity_t *)ret;
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}
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nr_rlc_entity_t *new_nr_rlc_entity_tm(
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int tx_maxsize,
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void (*deliver_sdu)(void *deliver_sdu_data, struct nr_rlc_entity_t *entity,
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char *buf, int size),
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void *deliver_sdu_data)
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{
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nr_rlc_entity_tm_t *ret;
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ret = calloc(1, sizeof(nr_rlc_entity_tm_t));
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if (ret == NULL) {
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LOG_E(RLC, "%s:%d:%s: out of memory\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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ret->tx_maxsize = tx_maxsize;
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ret->common.recv_pdu = nr_rlc_entity_tm_recv_pdu;
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ret->common.buffer_status = nr_rlc_entity_tm_buffer_status;
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ret->common.generate_pdu = nr_rlc_entity_tm_generate_pdu;
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ret->common.recv_sdu = nr_rlc_entity_tm_recv_sdu;
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ret->common.set_time = nr_rlc_entity_tm_set_time;
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ret->common.discard_sdu = nr_rlc_entity_tm_discard_sdu;
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ret->common.reestablishment = nr_rlc_entity_tm_reestablishment;
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ret->common.delete = nr_rlc_entity_tm_delete;
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ret->common.available_tx_space = nr_rlc_entity_tm_available_tx_space;
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ret->common.get_stats = nr_rlc_entity_get_stats;
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ret->common.deliver_sdu = deliver_sdu;
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ret->common.deliver_sdu_data = deliver_sdu_data;
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ret->common.stats.mode = NR_RLC_TM;
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/* let's take average over the last 100 milliseconds
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* initial_size of 1024 is arbitrary
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*/
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ret->common.txsdu_avg_time_to_tx = time_average_new(100 * 1000, 1024);
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return (nr_rlc_entity_t *)ret;
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}
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