/* * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The OpenAirInterface Software Alliance licenses this file to You under * the OAI Public License, Version 1.1 (the "License"); you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * * http://www.openairinterface.org/?page_id=698 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------------------- * For more information about the OpenAirInterface (OAI) Software Alliance: * contact@openairinterface.org */ /*! \file PHY/LTE_TRANSPORT/slss.c * \brief Functions to Generate and Receive PSDCH * \author R. Knopp * \date 2017 * \version 0.1 * \company Eurecom * \email: knopp@eurecom.fr * \note * \warning */ #ifndef __LTE_TRANSPORT_SLSS__C__ #define __LTE_TRANSPORT_SLSS__C__ #include "PHY/defs_UE.h" extern int multicast_link_write_sock(int groupP, char *dataP, uint32_t sizeP); void generate_sldch(PHY_VARS_UE *ue,SLDCH_t *sldch,int frame_tx,int subframe_tx) { UE_tport_t pdu; size_t sldch_header_len = sizeof(UE_tport_header_t); pdu.header.packet_type = SLDCH; pdu.header.absSF = (frame_tx*10)+subframe_tx; AssertFatal((sldch->payload_length <=1500-sldch_header_len - sizeof(SLDCH_t) + sizeof(uint8_t*)), "SLDCH payload length > %zd\n", 1500-sldch_header_len - sizeof(SLDCH_t) + sizeof(uint8_t*)); memcpy((void*)&pdu.sldch, (void*)sldch, sizeof(SLDCH_t)); LOG_I(PHY,"SLDCH configuration %zd bytes, TBS payload %d bytes => %zd bytes\n", sizeof(SLDCH_t)-sizeof(uint8_t*), sldch->payload_length, sldch_header_len+sizeof(SLDCH_t)-sizeof(uint8_t*)+sldch->payload_length); multicast_link_write_sock(0, (char *)&pdu, sldch_header_len+sizeof(SLDCH_t)); } #endif