/* * 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 */ #include "PHY/defs_eNB.h" #include "PHY/phy_extern.h" int is_pmch_subframe(uint32_t frame, int subframe, LTE_DL_FRAME_PARMS *frame_parms) { uint32_t period; uint8_t i; uint8_t j; // LOG_D(PHY,"is_pmch_subframe: frame %d, subframe %d, num_MBSFN_config %d\n", // frame,subframe,frame_parms->num_MBSFN_config); for (i=0; inum_MBSFN_config; i++) { // we have at least one MBSFN configuration period = 1<MBSFN_config[i].radioframeAllocationPeriod; if (frame_parms->MBSFN_config[i].fourFrames_flag == 0) { if ((frame % period) == frame_parms->MBSFN_config[i].radioframeAllocationOffset) { if (frame_parms->frame_type == FDD) { switch (subframe) { case 1: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_FDD_SF1) > 0) return(1); break; case 2: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_FDD_SF2) > 0) return(1); break; case 3: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_FDD_SF3) > 0) return(1); break; case 6: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_FDD_SF6) > 0) return(1); break; case 7: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_FDD_SF7) > 0) return(1); break; case 8: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_FDD_SF8) > 0) return(1); break; } } else { switch (subframe) { case 3: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_TDD_SF3) > 0) return(1); break; case 4: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_TDD_SF4) > 0) return(1); break; case 7: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_TDD_SF7) > 0) return(1); break; case 8: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_TDD_SF8) > 0) return(1); break; case 9: if ((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig & MBSFN_TDD_SF9) > 0) return(1); break; } } } } else { // handle 4 frames case for(j=0;j<4;j++) { if ((frame % period) == (frame_parms->MBSFN_config[i].radioframeAllocationOffset + j)) { if (frame_parms->frame_type == FDD) { switch (subframe) { case 1: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig) & (0x800000>>(j*6))) > 0) { //LOG_E(PHY,"SubframeConfig<<6(%x),MBSFN_FDD_SF1(%x)\n",frame_parms->MBSFN_config[i].mbsfn_SubframeConfig,0x800000>>(j*6)); return(1); } break; case 2: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig) & (0x400000>>(j*6))) > 0) { //LOG_E(PHY,"SubframeConfig<<6(%x),MBSFN_FDD_SF1(%x)\n",frame_parms->MBSFN_config[i].mbsfn_SubframeConfig,0x400000>>(j*6)); return(1); } break; case 3: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig) & (0x200000>>(j*6))) > 0) { //LOG_E(PHY,"SubframeConfig<<6(%x),MBSFN_FDD_SF1(%x)\n",frame_parms->MBSFN_config[i].mbsfn_SubframeConfig,0x200000>>(j*6)); return(1); } break; case 6: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig) & (0x100000>>(j*6))) > 0) { //LOG_E(PHY,"SubframeConfig<<6(%x),MBSFN_FDD_SF1(%x)\n",frame_parms->MBSFN_config[i].mbsfn_SubframeConfig,0x100000>>(j*6)); return(1); } break; case 7: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig) & (0x80000>>(j*6))) > 0) { //LOG_E(PHY,"SubframeConfig<<6(%x),MBSFN_FDD_SF1(%x)\n",frame_parms->MBSFN_config[i].mbsfn_SubframeConfig,0x80000>>(j*6)); return(1); } break; case 8: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig) & (0x40000>>(j*6))) > 0) { //LOG_E(PHY,"SubframeConfig<<6(%x),MBSFN_FDD_SF1(%x)\n",frame_parms->MBSFN_config[i].mbsfn_SubframeConfig,0x40000>>(j*6)); return(1); } break; } } else { switch (subframe) { case 3: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig>>j*6) & MBSFN_TDD_SF3) > 0) return(1); break; case 4: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig>>j*6) & MBSFN_TDD_SF4) > 0) return(1); break; case 7: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig>>j*6) & MBSFN_TDD_SF7) > 0) return(1); break; case 8: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig>>j*6) & MBSFN_TDD_SF8) > 0) return(1); break; case 9: if (((frame_parms->MBSFN_config[i].mbsfn_SubframeConfig>>j*6) & MBSFN_TDD_SF9) > 0) return(1); break; } } } } } } return(0); }