/******************************************************************************* 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, Compus SophiaTech 450, route des chappes, 06451 Biot, France. *******************************************************************************/ #include <stdio.h> #include <stdlib.h> #include <stdint.h> #include "TLVEncoder.h" #include "TLVDecoder.h" #include "QualityOfService.h" int decode_quality_of_service(QualityOfService *qualityofservice, uint8_t iei, uint8_t *buffer, uint32_t len) { int decoded = 0; uint8_t ielen = 0; if (iei > 0) { CHECK_IEI_DECODER(iei, *buffer); decoded++; } ielen = *(buffer + decoded); decoded++; CHECK_LENGTH_DECODER(len - decoded, ielen); qualityofservice->delayclass = (*(buffer + decoded) >> 3) & 0x7; qualityofservice->reliabilityclass = *(buffer + decoded) & 0x7; decoded++; qualityofservice->peakthroughput = (*(buffer + decoded) >> 4) & 0xf; qualityofservice->precedenceclass = *(buffer + decoded) & 0x7; decoded++; qualityofservice->meanthroughput = *(buffer + decoded) & 0x1f; decoded++; qualityofservice->trafficclass = (*(buffer + decoded) >> 5) & 0x7; qualityofservice->deliveryorder = (*(buffer + decoded) >> 3) & 0x3; qualityofservice->deliveryoferroneoussdu = *(buffer + decoded) & 0x7; decoded++; qualityofservice->maximumsdusize = *(buffer + decoded); decoded++; qualityofservice->maximumbitrateuplink = *(buffer + decoded); decoded++; qualityofservice->maximumbitratedownlink = *(buffer + decoded); decoded++; qualityofservice->residualber = (*(buffer + decoded) >> 4) & 0xf; qualityofservice->sduratioerror = *(buffer + decoded) & 0xf; decoded++; qualityofservice->transferdelay = (*(buffer + decoded) >> 2) & 0x3f; qualityofservice->traffichandlingpriority = *(buffer + decoded) & 0x3; decoded++; qualityofservice->guaranteedbitrateuplink = *(buffer + decoded); decoded++; qualityofservice->guaranteedbitratedownlink = *(buffer + decoded); decoded++; qualityofservice->signalingindication = (*(buffer + decoded) >> 4) & 0x1; qualityofservice->sourcestatisticsdescriptor = *(buffer + decoded) & 0xf; decoded++; #if defined (NAS_DEBUG) dump_quality_of_service_xml(qualityofservice, iei); #endif return decoded; } int encode_quality_of_service(QualityOfService *qualityofservice, uint8_t iei, uint8_t *buffer, uint32_t len) { uint8_t *lenPtr; uint32_t encoded = 0; /* Checking IEI and pointer */ CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, QUALITY_OF_SERVICE_MINIMUM_LENGTH, len); #if defined (NAS_DEBUG) dump_quality_of_service_xml(qualityofservice, iei); #endif if (iei > 0) { *buffer = iei; encoded++; } lenPtr = (buffer + encoded); encoded ++; *(buffer + encoded) = 0x00 | ((qualityofservice->delayclass & 0x7) << 3) | (qualityofservice->reliabilityclass & 0x7); encoded++; *(buffer + encoded) = 0x00 | ((qualityofservice->peakthroughput & 0xf) << 4) | (qualityofservice->precedenceclass & 0x7); encoded++; *(buffer + encoded) = 0x00 | (qualityofservice->meanthroughput & 0x1f); encoded++; *(buffer + encoded) = 0x00 | ((qualityofservice->trafficclass & 0x7) << 5) | ((qualityofservice->deliveryorder & 0x3) << 3) | (qualityofservice->deliveryoferroneoussdu & 0x7); encoded++; *(buffer + encoded) = qualityofservice->maximumsdusize; encoded++; *(buffer + encoded) = qualityofservice->maximumbitrateuplink; encoded++; *(buffer + encoded) = qualityofservice->maximumbitratedownlink; encoded++; *(buffer + encoded) = 0x00 | ((qualityofservice->residualber & 0xf) << 4) | (qualityofservice->sduratioerror & 0xf); encoded++; *(buffer + encoded) = 0x00 | ((qualityofservice->transferdelay & 0x3f) << 2) | (qualityofservice->traffichandlingpriority & 0x3); encoded++; *(buffer + encoded) = qualityofservice->guaranteedbitrateuplink; encoded++; *(buffer + encoded) = qualityofservice->guaranteedbitratedownlink; encoded++; *(buffer + encoded) = 0x00 | ((qualityofservice->signalingindication & 0x1) << 4) | (qualityofservice->sourcestatisticsdescriptor & 0xf); encoded++; *lenPtr = encoded - 1 - ((iei > 0) ? 1 : 0); return encoded; } void dump_quality_of_service_xml(QualityOfService *qualityofservice, uint8_t iei) { printf("<Quality Of Service>\n"); if (iei > 0) /* Don't display IEI if = 0 */ printf(" <IEI>0x%X</IEI>\n", iei); printf(" <Delay class>%u</Delay class>\n", qualityofservice->delayclass); printf(" <Reliability class>%u</Reliability class>\n", qualityofservice->reliabilityclass); printf(" <Peak throughput>%u</Peak throughput>\n", qualityofservice->peakthroughput); printf(" <Precedence class>%u</Precedence class>\n", qualityofservice->precedenceclass); printf(" <Mean throughput>%u</Mean throughput>\n", qualityofservice->meanthroughput); printf(" <Traffic class>%u</Traffic class>\n", qualityofservice->trafficclass); printf(" <Delivery order>%u</Delivery order>\n", qualityofservice->deliveryorder); printf(" <Delivery of erroneous SDU>%u</Delivery of erroneous SDU>\n", qualityofservice->deliveryoferroneoussdu); printf(" <Maximum SDU size>%u</Maximum SDU size>\n", qualityofservice->maximumsdusize); printf(" <Maximum bit rate uplink>%u</Maximum bit rate uplink>\n", qualityofservice->maximumbitrateuplink); printf(" <Maximum bit rate downlink>%u</Maximum bit rate downlink>\n", qualityofservice->maximumbitratedownlink); printf(" <Residual BER>%u</Residual BER>\n", qualityofservice->residualber); printf(" <SDU ratio error>%u</SDU ratio error>\n", qualityofservice->sduratioerror); printf(" <Transfer delay>%u</Transfer delay>\n", qualityofservice->transferdelay); printf(" <Traffic handling priority>%u</Traffic handling priority>\n", qualityofservice->traffichandlingpriority); printf(" <Guaranteed bit rate uplink>%u</Guaranteed bit rate uplink>\n", qualityofservice->guaranteedbitrateuplink); printf(" <Guaranteed bit rate downlink>%u</Guaranteed bit rate downlink>\n", qualityofservice->guaranteedbitratedownlink); printf(" <Signaling indication>%u</Signaling indication>\n", qualityofservice->signalingindication); printf(" <Source statistics descriptor>%u</Source statistics descriptor>\n", qualityofservice->sourcestatisticsdescriptor); printf("</Quality Of Service>\n"); }