Cedric Roux
3310f5c6b0
This commit introduces an alternative RLC implementation based on 36.322 version 8. AM and UM done, TM not done. See openair2/LAYER2/rlc_v2/TODO for missing parts.
130 lines
3.4 KiB
C
130 lines
3.4 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 "rlc.h"
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int decode_t_reordering(int v)
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{
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static int tab[32] = {
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0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85,
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90, 95, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 1600
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};
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if (v < 0 || v > 31) {
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LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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return tab[v];
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}
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int decode_t_status_prohibit(int v)
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{
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static int tab[62] = {
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0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90,
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95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 160, 165,
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170, 175, 180, 185, 190, 195, 200, 205, 210, 215, 220, 225, 230, 235, 240,
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245, 250, 300, 350, 400, 450, 500, 800, 1000, 1200, 1600, 2000, 2400
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};
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if (v < 0 || v > 61) {
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LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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return tab[v];
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}
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int decode_t_poll_retransmit(int v)
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{
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static int tab[59] = {
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5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95,
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100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 160, 165, 170,
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175, 180, 185, 190, 195, 200, 205, 210, 215, 220, 225, 230, 235, 240, 245,
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250, 300, 350, 400, 450, 500, 800, 1000, 2000, 4000
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};
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if (v < 0 || v > 58) {
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LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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return tab[v];
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}
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int decode_poll_pdu(int v)
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{
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static int tab[8] = {
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4, 8, 16, 32, 64, 128, 256, -1 /* -1 means infinity */
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};
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if (v < 0 || v > 7) {
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LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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return tab[v];
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}
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int decode_poll_byte(int v)
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{
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static int tab[15] = {
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25, 50, 75, 100, 125, 250, 375, 500, 750, 1000, 1250, 1500, 2000, 3000,
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-1 /* -1 means infinity */
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};
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if (v < 0 || v > 14) {
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LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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if (tab[v] == -1) return -1;
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return tab[v] * 1024;
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}
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int decode_max_retx_threshold(int v)
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{
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static int tab[8] = {
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1, 2, 3, 4, 6, 8, 16, 32
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};
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if (v < 0 || v > 7) {
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LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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return tab[v];
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}
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int decode_sn_field_length(int v)
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{
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static int tab[2] = {
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5, 10
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};
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if (v < 0 || v > 1) {
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LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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return tab[v];
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}
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