1 /******************************************************************************
3 * Copyright (c) 2020 Intel.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 *******************************************************************************/
21 #include <arpa/inet.h>
24 #include <immintrin.h>
26 #include "xran_fh_o_du.h"
28 #include "xran_pkt_up.h"
29 #include "xran_cp_api.h"
30 #include "xran_up_api.h"
32 #include "xran_mlog_lnx.h"
34 extern enum app_state state;
35 struct o_xu_buffers* p_o_xu_buff[XRAN_PORTS_NUM] = {NULL, NULL, NULL, NULL};
37 // F1 Tables 38.101-1 Table 5.3.2-1. Maximum transmission bandwidth configuration NRB
38 uint16_t nLteNumRbsPerSymF1[1][4] =
40 // 5MHz 10MHz 15MHz 20 MHz
41 {25, 50, 75, 100}, // Numerology 0 (15KHz)
44 // F1 Tables 38.101-1 Table 5.3.2-1. Maximum transmission bandwidth configuration NRB
45 uint16_t nNumRbsPerSymF1[3][13] =
47 // 5MHz 10MHz 15MHz 20 MHz 25 MHz 30 MHz 40 MHz 50MHz 60 MHz 70 MHz 80 MHz 90 MHz 100 MHz
48 {25, 52, 79, 106, 133, 160, 216, 270, 0, 0, 0, 0, 0}, // Numerology 0 (15KHz)
49 {11, 24, 38, 51, 65, 78, 106, 133, 162, 0, 217, 245, 273}, // Numerology 1 (30KHz)
50 {0, 11, 18, 24, 31, 38, 51, 65, 79, 0, 107, 121, 135} // Numerology 2 (60KHz)
53 // F2 Tables 38.101-2 Table 5.3.2-1. Maximum transmission bandwidth configuration NRB
54 uint16_t nNumRbsPerSymF2[2][4] =
56 // 50Mhz 100MHz 200MHz 400MHz
57 {66, 132, 264, 0}, // Numerology 2 (60KHz)
58 {32, 66, 132, 264} // Numerology 3 (120KHz)
61 // 38.211 - Table 4.2.1
62 uint16_t nSubCarrierSpacing[5] =
71 // TTI interval in us (slot duration)
72 uint16_t nTtiInterval[4] =
81 // F1 Tables 38.101-1 Table F.5.3. Window length for normal CP
82 uint16_t nCpSizeF1[3][13][2] =
84 // 5MHz 10MHz 15MHz 20 MHz 25 MHz 30 MHz 40 MHz 50MHz 60 MHz 70 MHz 80 MHz 90 MHz 100 MHz
85 {{40, 36}, {80, 72}, {120, 108}, {160, 144}, {160, 144}, {240, 216}, {320, 288}, {320, 288}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}}, // Numerology 0 (15KHz)
86 {{22, 18}, {44, 36}, {66, 54}, {88, 72}, {88, 72}, {132, 108}, {176, 144}, {176, 144}, {264, 216}, {264, 216}, {352, 288}, {352, 288}, {352, 288}}, // Numerology 1 (30KHz)
87 { {0, 0}, {26, 18}, {39, 27}, {52, 36}, {52, 36}, {78, 54}, {104, 72}, {104, 72}, {156, 108}, {156, 108}, {208, 144}, {208, 144}, {208, 144}}, // Numerology 2 (60KHz)
90 // F2 Tables 38.101-2 Table F.5.3. Window length for normal CP
91 int16_t nCpSizeF2[2][4][2] =
93 // 50Mhz 100MHz 200MHz 400MHz
94 { {0, 0}, {104, 72}, {208, 144}, {416, 288}}, // Numerology 2 (60KHz)
95 {{68, 36}, {136, 72}, {272, 144}, {544, 288}}, // Numerology 3 (120KHz)
98 uint32_t gLocMaxSlotNum;
100 static uint16_t g_NumSlotTDDLoop[XRAN_MAX_SECTOR_NR] = { XRAN_NUM_OF_SLOT_IN_TDD_LOOP };
101 static uint16_t g_NumDLSymSp[XRAN_MAX_SECTOR_NR][XRAN_NUM_OF_SLOT_IN_TDD_LOOP] = {0};
102 static uint16_t g_NumULSymSp[XRAN_MAX_SECTOR_NR][XRAN_NUM_OF_SLOT_IN_TDD_LOOP] = {0};
103 static uint8_t g_SlotType[XRAN_MAX_SECTOR_NR][XRAN_NUM_OF_SLOT_IN_TDD_LOOP] = {{XRAN_SLOT_TYPE_INVALID}};
104 float g_UlRate[XRAN_MAX_SECTOR_NR] = {0.0};
105 float g_DlRate[XRAN_MAX_SECTOR_NR] = {0.0};
107 uint32_t app_xran_get_tti_interval(uint8_t nMu)
111 return nTtiInterval[nMu];
115 printf("ERROR: %s Mu[%d] is not valid\n",__FUNCTION__, nMu);
121 uint32_t app_xran_get_scs(uint8_t nMu)
125 return nSubCarrierSpacing[nMu];
129 printf("ERROR: %s Mu[%d] is not valid\n",__FUNCTION__, nMu);
138 //-------------------------------------------------------------------------------------------
139 /** @ingroup group_nr5g_source_phy_common
141 * @param[in] nNumerology - Numerology determine sub carrier spacing, Value: 0->4 0: 15khz, 1: 30khz, 2: 60khz 3: 120khz, 4: 240khz
142 * @param[in] nBandwidth - Carrier bandwidth for in MHz. Value: 5->400
143 * @param[in] nAbsFrePointA - Abs Freq Point A of the Carrier Center Frequency for in KHz Value: 450000->52600000
145 * @return Number of RBs in cell
148 * Returns number of RBs based on 38.101-1 and 38.101-2 for the cell
151 //-------------------------------------------------------------------------------------------
152 uint16_t app_xran_get_num_rbs(uint8_t ranTech, uint32_t nNumerology, uint32_t nBandwidth, uint32_t nAbsFrePointA)
157 if (ranTech == XRAN_RAN_LTE) {
161 numRBs = nLteNumRbsPerSymF1[nNumerology][0];
164 case PHY_BW_10_0_MHZ:
165 numRBs = nLteNumRbsPerSymF1[nNumerology][1];
168 case PHY_BW_15_0_MHZ:
169 numRBs = nLteNumRbsPerSymF1[nNumerology][2];
172 case PHY_BW_20_0_MHZ:
173 numRBs = nLteNumRbsPerSymF1[nNumerology][3];
180 } else if (nAbsFrePointA <= 6000000) {
181 // F1 Tables 38.101-1 Table 5.3.2-1. Maximum transmission bandwidth configuration NRB
187 numRBs = nNumRbsPerSymF1[nNumerology][0];
190 case PHY_BW_10_0_MHZ:
191 numRBs = nNumRbsPerSymF1[nNumerology][1];
194 case PHY_BW_15_0_MHZ:
195 numRBs = nNumRbsPerSymF1[nNumerology][2];
198 case PHY_BW_20_0_MHZ:
199 numRBs = nNumRbsPerSymF1[nNumerology][3];
202 case PHY_BW_25_0_MHZ:
203 numRBs = nNumRbsPerSymF1[nNumerology][4];
206 case PHY_BW_30_0_MHZ:
207 numRBs = nNumRbsPerSymF1[nNumerology][5];
210 case PHY_BW_40_0_MHZ:
211 numRBs = nNumRbsPerSymF1[nNumerology][6];
214 case PHY_BW_50_0_MHZ:
215 numRBs = nNumRbsPerSymF1[nNumerology][7];
218 case PHY_BW_60_0_MHZ:
219 numRBs = nNumRbsPerSymF1[nNumerology][8];
222 case PHY_BW_70_0_MHZ:
223 numRBs = nNumRbsPerSymF1[nNumerology][9];
226 case PHY_BW_80_0_MHZ:
227 numRBs = nNumRbsPerSymF1[nNumerology][10];
230 case PHY_BW_90_0_MHZ:
231 numRBs = nNumRbsPerSymF1[nNumerology][11];
234 case PHY_BW_100_0_MHZ:
235 numRBs = nNumRbsPerSymF1[nNumerology][12];
246 if ((nNumerology >= 2) && (nNumerology <= 3))
248 // F2 Tables 38.101-2 Table 5.3.2-1. Maximum transmission bandwidth configuration NRB
251 case PHY_BW_50_0_MHZ:
252 numRBs = nNumRbsPerSymF2[nNumerology-2][0];
255 case PHY_BW_100_0_MHZ:
256 numRBs = nNumRbsPerSymF2[nNumerology-2][1];
259 case PHY_BW_200_0_MHZ:
260 numRBs = nNumRbsPerSymF2[nNumerology-2][2];
263 case PHY_BW_400_0_MHZ:
264 numRBs = nNumRbsPerSymF2[nNumerology-2][3];
277 printf("ERROR: %s: RAN[%s] nNumerology[%d] nBandwidth[%d] nAbsFrePointA[%d]\n",__FUNCTION__, (ranTech ? "LTE" : "5G NR"), nNumerology, nBandwidth, nAbsFrePointA);
281 printf("%s: RAN [%s] nNumerology[%d] nBandwidth[%d] nAbsFrePointA[%d] numRBs[%d]\n",__FUNCTION__, (ranTech ? "LTE" : "5G NR"), nNumerology, nBandwidth, nAbsFrePointA, numRBs);
287 //-------------------------------------------------------------------------------------------
288 /** @ingroup phy_cal_nrarfcn
290 * @param[in] center frequency
295 * This calculates NR-ARFCN value according to center frequency
298 //-------------------------------------------------------------------------------------------
299 uint32_t app_xran_cal_nrarfcn(uint32_t nCenterFreq)
301 uint32_t nDeltaFglobal,nFoffs,nNoffs;
302 uint32_t nNRARFCN = 0;
304 if(nCenterFreq > 0 && nCenterFreq < 3000*1000)
310 else if(nCenterFreq >= 3000*1000 && nCenterFreq < 24250*1000)
316 else if(nCenterFreq >= 24250*1000 && nCenterFreq <= 100000*1000)
324 printf("@@@@ incorrect center frerquency %d\n",nCenterFreq);
328 nNRARFCN = ((nCenterFreq - nFoffs)/nDeltaFglobal) + nNoffs;
330 printf("%s: nCenterFreq[%d] nDeltaFglobal[%d] nFoffs[%d] nNoffs[%d] nNRARFCN[%d]\n", __FUNCTION__, nCenterFreq, nDeltaFglobal, nFoffs, nNoffs, nNRARFCN);
334 int32_t app_xran_slot_limit(int32_t nSfIdx)
337 nSfIdx += gLocMaxSlotNum;
340 while (nSfIdx >= gLocMaxSlotNum) {
341 nSfIdx -= gLocMaxSlotNum;
347 void app_xran_clear_slot_type(uint32_t nPhyInstanceId)
349 g_UlRate[nPhyInstanceId] = 0.0;
350 g_DlRate[nPhyInstanceId] = 0.0;
351 g_NumSlotTDDLoop[nPhyInstanceId] = 1;
354 int32_t app_xran_set_slot_type(uint32_t nPhyInstanceId, uint32_t nFrameDuplexType, uint32_t nTddPeriod, struct xran_slot_config *psSlotConfig)
356 uint32_t nSlotNum, nSymNum, nVal, i;
357 uint32_t numDlSym, numUlSym, numGuardSym;
358 uint32_t numDlSlots = 0, numUlSlots = 0, numSpDlSlots = 0, numSpUlSlots = 0, numSpSlots = 0;
359 char sSlotPattern[XRAN_SLOT_TYPE_LAST][10] = {"IN\0", "DL\0", "UL\0", "SP\0", "FD\0"};
361 // nPhyInstanceId Carrier ID
362 // nFrameDuplexType 0 = FDD 1 = TDD
363 // nTddPeriod Tdd Periodicity
364 // psSlotConfig[80] Slot Config Structure for nTddPeriod Slots
366 g_UlRate[nPhyInstanceId] = 0.0;
367 g_DlRate[nPhyInstanceId] = 0.0;
368 g_NumSlotTDDLoop[nPhyInstanceId] = nTddPeriod;
370 for (i = 0; i < XRAN_NUM_OF_SLOT_IN_TDD_LOOP; i++)
372 g_SlotType[nPhyInstanceId][i] = XRAN_SLOT_TYPE_INVALID;
373 g_NumDLSymSp[nPhyInstanceId][i] = 0;
374 g_NumULSymSp[nPhyInstanceId][i] = 0;
377 if (nFrameDuplexType == XRAN_FDD)
379 for (i = 0; i < XRAN_NUM_OF_SLOT_IN_TDD_LOOP; i++)
381 g_SlotType[nPhyInstanceId][i] = XRAN_SLOT_TYPE_FDD;
383 g_NumSlotTDDLoop[nPhyInstanceId] = 1;
384 g_DlRate[nPhyInstanceId] = 1.0;
385 g_UlRate[nPhyInstanceId] = 1.0;
389 for (nSlotNum = 0; nSlotNum < nTddPeriod; nSlotNum++)
394 for (nSymNum = 0; nSymNum < XRAN_NUM_OF_SYMBOL_PER_SLOT; nSymNum++)
396 switch(psSlotConfig[nSlotNum].nSymbolType[nSymNum])
398 case XRAN_SYMBOL_TYPE_DL:
401 case XRAN_SYMBOL_TYPE_GUARD:
410 // printf("nSlotNum[%d] : numDlSym[%d] numGuardSym[%d] numUlSym[%d]\n", nSlotNum, numDlSym, numGuardSym, numUlSym);
412 if ((numUlSym == 0) && (numGuardSym == 0))
414 g_SlotType[nPhyInstanceId][nSlotNum] = XRAN_SLOT_TYPE_DL;
417 else if ((numDlSym == 0) && (numGuardSym == 0))
419 g_SlotType[nPhyInstanceId][nSlotNum] = XRAN_SLOT_TYPE_UL;
424 g_SlotType[nPhyInstanceId][nSlotNum] = XRAN_SLOT_TYPE_SP;
430 g_NumDLSymSp[nPhyInstanceId][nSlotNum] = numDlSym;
435 g_NumULSymSp[nPhyInstanceId][nSlotNum] = numUlSym;
439 // printf(" numDlSlots[%d] numUlSlots[%d] numSpSlots[%d] numSpDlSlots[%d] numSpUlSlots[%d]\n", numDlSlots, numUlSlots, numSpSlots, numSpDlSlots, numSpUlSlots);
442 g_DlRate[nPhyInstanceId] = (float)(numDlSlots + numSpDlSlots) / (float)nTddPeriod;
443 g_UlRate[nPhyInstanceId] = (float)(numUlSlots + numSpUlSlots) / (float)nTddPeriod;
446 printf("set_slot_type: nPhyInstanceId[%d] nFrameDuplexType[%d], nTddPeriod[%d]\n",
447 nPhyInstanceId, nFrameDuplexType, nTddPeriod);
449 printf("DLRate[%f] ULRate[%f]\n", g_DlRate[nPhyInstanceId], g_UlRate[nPhyInstanceId]);
451 nVal = (g_NumSlotTDDLoop[nPhyInstanceId] < 10) ? g_NumSlotTDDLoop[nPhyInstanceId] : 10;
453 printf("SlotPattern:\n");
455 for (nSlotNum = 0; nSlotNum < nVal; nSlotNum++)
457 printf("%d ", nSlotNum);
462 for (nSlotNum = 0, i = 0; nSlotNum < g_NumSlotTDDLoop[nPhyInstanceId]; nSlotNum++)
464 printf("%s ", sSlotPattern[g_SlotType[nPhyInstanceId][nSlotNum]]);
466 if ((i == 10) && ((nSlotNum+1) < g_NumSlotTDDLoop[nPhyInstanceId]))
469 printf(" %3d ", nSlotNum);
478 int32_t app_xran_get_slot_type(int32_t nCellIdx, int32_t nSlotdx, int32_t nType)
480 int32_t nSfIdxMod, nSfType, ret = 0;
482 nSfIdxMod = app_xran_slot_limit(nSlotdx) % ((g_NumSlotTDDLoop[nCellIdx] > 0) ? g_NumSlotTDDLoop[nCellIdx]: 1);
483 nSfType = g_SlotType[nCellIdx][nSfIdxMod];
485 if (nSfType == nType)
489 else if (nSfType == XRAN_SLOT_TYPE_SP)
491 if ((nType == XRAN_SLOT_TYPE_DL) && g_NumDLSymSp[nCellIdx][nSfIdxMod])
496 if ((nType == XRAN_SLOT_TYPE_UL) && g_NumULSymSp[nCellIdx][nSfIdxMod])
501 else if (nSfType == XRAN_SLOT_TYPE_FDD)
511 void sys_save_buf_to_file(char *filename, char *bufname, unsigned char *pBuffer, unsigned int size, unsigned int buffers_num)
515 if (filename && bufname)
518 printf("Storing %s to file %s: ", bufname, filename);
519 file = fopen(filename, "wb");
522 printf("can't open file %s!!!", filename);
527 num = fwrite(pBuffer, buffers_num, size, file);
530 printf("from addr (0x%lx) size (%d) bytes num (%d)", (uint64_t)pBuffer, size, num);
536 printf(" the file name, buffer name are not set!!!");
541 printf(" the %s is free: size = %d bytes!!!", bufname, size);
545 int sys_load_file_to_buff(char *filename, char *bufname, unsigned char *pBuffer, unsigned int size, unsigned int buffers_num)
547 unsigned int file_size = 0;
552 if (filename && bufname)
555 printf("Loading file %s to %s: ", filename, bufname);
556 file = fopen(filename, "rb");
561 printf("can't open file %s!!!", filename);
566 fseek(file, 0, SEEK_END);
567 file_size = ftell(file);
568 fseek(file, 0, SEEK_SET);
570 if ((file_size > size) || (file_size == 0))
573 printf("Reading IQ samples from file: File Size: %d [Buffer Size: %d]\n", file_size, size);
575 num = fread(pBuffer, buffers_num, size, file);
578 printf("from addr (0x%lx) size (%d) bytes num (%d)", (uint64_t)pBuffer, file_size, num);
585 printf(" the file name, buffer name are not set!!!");
590 printf(" the %s is free: size = %d bytes!!!", bufname, size);
596 void sys_save_buf_to_file_txt(char *filename, char *bufname, unsigned char *pBuffer, unsigned int size, unsigned int buffers_num)
605 if (filename && bufname)
608 printf("Storing %s to file %s: ", bufname, filename);
609 file = fopen(filename, "w");
612 printf("can't open file %s!!!", filename);
619 signed short *ptr = (signed short*)pBuffer;
620 for (i = 0; i < (size/((unsigned int)sizeof(signed short) /** 2 * 2 * 2*/)); i = i + 2)
623 ret = fprintf(file,"%d %d\n", ptr[i], ptr[i + 1]);
625 ret = fprintf(file,"%d %d ", ptr[i], ptr[i + 1]);
626 /* I data => Ramp data, from 1 to 792.
627 Q data => Contains time information of the current symbol:
628 Bits [15:14] = Antenna-ID
629 Bits [13:12] =
\9300
\94
630 Bits [11:8] = Subframe-ID
632 Bits [3:0] = Symbol-ID */
633 fprintf(file, "0x%04x: ant %d Subframe-ID %d Slot-ID %d Symbol-ID %d\n",
634 ptr[i + 1], (ptr[i + 1]>>14) & 0x3, (ptr[i + 1]>>8) & 0xF, (ptr[i + 1]>>4) & 0xF, (ptr[i + 1]>>0) & 0xF);
638 printf("fprintf %d\n", ret);
646 printf("from addr (0x%lx) size (%d) IQ num (%d)", (uint64_t)pBuffer, size, num);
652 printf(" the file name, buffer name are not set!!!");
657 printf(" the %s is free: size = %d bytes!!!", bufname, size);