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srsRAN_4G
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Merge branch 'next' into novolk

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master
Ismael Gomez 8 years ago
parent c9ab2b7d5d 50567ade69
commit d7afb87b38
6 changed files with 68 additions and 31 deletions
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15
CMakeLists.txt
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@ -112,11 +112,16 @@ if(CMAKE_COMPILER_IS_GNUCC)
else(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
find_package(SSE)
if(HAVE_AVX)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")
elseif(HAVE_SSE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -msse4.1 -DLV_HAVE_SSE")
endif(HAVE_AVX)
if (HAVE_AVX2)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -mavx2 -Ofast -funroll-loops -DLV_HAVE_AVX -DLV_HAVE_SSE")
elseif (HAVE_AVX2)
if(HAVE_AVX)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -mavx -Ofast -funroll-loops -DLV_HAVE_AVX -DLV_HAVE_SSE")
elseif(HAVE_SSE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -msse4.1 -Ofast -funroll-loops -DLV_HAVE_SSE")
endif(HAVE_AVX)
endif (HAVE_AVX2)
endif(${CMAKE_BUILD_TYPE} STREQUAL "Debug")

27
cmake/modules/FindSSE.cmake
Unescape Escape View File

@ -6,6 +6,7 @@ include(CheckCSourceRuns)
option(ENABLE_SSE "Enable compile-time SSE4.1 support." ON)
option(ENABLE_AVX "Enable compile-time AVX support." ON)
option(ENABLE_AVX2 "Enable compile-time AVX2 support." ON)
if (ENABLE_SSE)
#
@ -52,7 +53,31 @@ if (ENABLE_SSE)
message(STATUS "AVX is enabled - target CPU must support it")
endif()
endif()
if (ENABLE_AVX2)
#
# Check compiler for AVX intrinsics
#
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG )
set(CMAKE_REQUIRED_FLAGS "-mavx2")
check_c_source_runs("
#include <immintrin.h>
int main()
{
__m256i a = _mm256_setzero_si256();
__m256i b = _mm256_abs_epi16(a);
return 0;
}"
HAVE_AVX2)
endif()
if (HAVE_AVX2)
message(STATUS "AVX2 is enabled - target CPU must support it")
endif()
endif()
endif()
mark_as_advanced(HAVE_SSE, HAVE_AVX)
mark_as_advanced(HAVE_SSE, HAVE_AVX, HAVE_AVX2)

2
srslte/include/srslte/phch/dci.h
Unescape Escape View File

@ -47,6 +47,8 @@
#define SRSLTE_RAR_GRANT_LEN 20
SRSLTE_API extern int harq_pid_len;
typedef enum {
SRSLTE_DCI_FORMAT0 = 0,
SRSLTE_DCI_FORMAT1,

48
srslte/lib/phch/dci.c
Unescape Escape View File

@ -41,6 +41,8 @@
#include "dci_sz_table.h"
int harq_pid_len = 3;
/* Unpacks a DCI message and configures the DL grant object
*/
int srslte_dci_msg_to_dl_grant(srslte_dci_msg_t *msg, uint16_t msg_rnti,
@ -240,7 +242,7 @@ uint32_t dci_format0_sizeof_(uint32_t nof_prb) {
uint32_t dci_format1A_sizeof(uint32_t nof_prb) {
uint32_t n;
n = 1 + 1 + riv_nbits(nof_prb) + 5 + 3 + 1 + 2 + 2;
n = 1 + 1 + riv_nbits(nof_prb) + 5 + harq_pid_len + 1 + 2 + 2;
while (n < dci_format0_sizeof_(nof_prb)) {
n++;
}
@ -260,7 +262,7 @@ uint32_t dci_format0_sizeof(uint32_t nof_prb) {
uint32_t dci_format1_sizeof(uint32_t nof_prb) {
uint32_t n = (uint32_t) ceilf((float) nof_prb / srslte_ra_type0_P(nof_prb)) + 5 + 3 + 1 + 2
uint32_t n = (uint32_t) ceilf((float) nof_prb / srslte_ra_type0_P(nof_prb)) + 5 + harq_pid_len + 1 + 2
+ 2;
if (nof_prb > 10) {
n++;
@ -316,7 +318,7 @@ uint32_t precoding_bits_f2(uint32_t nof_ports) {
}
uint32_t dci_format2_sizeof(uint32_t nof_prb, uint32_t nof_ports) {
uint32_t n = (uint32_t) ceilf((float) nof_prb / srslte_ra_type0_P(nof_prb))+2+3+1+2*(5+1+2)+precoding_bits_f2(nof_ports);
uint32_t n = (uint32_t) ceilf((float) nof_prb / srslte_ra_type0_P(nof_prb))+2+harq_pid_len+1+2*(5+1+2)+precoding_bits_f2(nof_ports);
if (nof_prb > 10) {
n++;
}
@ -336,7 +338,7 @@ uint32_t precoding_bits_f2a(uint32_t nof_ports) {
}
uint32_t dci_format2A_sizeof(uint32_t nof_prb, uint32_t nof_ports) {
uint32_t n = (uint32_t) ceilf((float) nof_prb / srslte_ra_type0_P(nof_prb))+2+3+1+2*(5+1+2)+precoding_bits_f2a(nof_ports);
uint32_t n = (uint32_t) ceilf((float) nof_prb / srslte_ra_type0_P(nof_prb))+2+harq_pid_len+1+2*(5+1+2)+precoding_bits_f2a(nof_ports);
if (nof_prb > 10) {
n++;
}
@ -348,7 +350,7 @@ uint32_t dci_format2A_sizeof(uint32_t nof_prb, uint32_t nof_ports) {
}
uint32_t dci_format2B_sizeof(uint32_t nof_prb, uint32_t nof_ports) {
uint32_t n = (uint32_t) ceilf((float) nof_prb / srslte_ra_type0_P(nof_prb))+2+3+1+2*(5+1+2);
uint32_t n = (uint32_t) ceilf((float) nof_prb / srslte_ra_type0_P(nof_prb))+2+harq_pid_len+1+2*(5+1+2);
if (nof_prb > 10) {
n++;
}
@ -455,7 +457,7 @@ int dci_format0_pack(srslte_ra_ul_dci_t *data, srslte_dci_msg_t *msg, uint32_t n
*y++ = data->cqi_request;
// Padding with zeros
uint32_t n = srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT0, nof_prb);
uint32_t n = srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT0, nof_prb, 1);
while (y - msg->data < n) {
*y++ = 0;
}
@ -474,7 +476,7 @@ int dci_format0_unpack(srslte_dci_msg_t *msg, srslte_ra_ul_dci_t *data, uint32_t
uint32_t n_ul_hop;
/* Make sure it's a SRSLTE_DCI_FORMAT0 message */
if (msg->nof_bits != srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT0, nof_prb)) {
if (msg->nof_bits != srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT0, nof_prb, 1)) {
fprintf(stderr, "Invalid message length for format 0\n");
return SRSLTE_ERROR;
}
@ -556,7 +558,7 @@ int dci_format1_pack(srslte_ra_dl_dci_t *data, srslte_dci_msg_t *msg, uint32_t n
srslte_bit_unpack(data->mcs_idx, &y, 5);
/* harq process number */
srslte_bit_unpack(data->harq_process, &y, 3);
srslte_bit_unpack(data->harq_process, &y, harq_pid_len);
*y++ = data->ndi;
@ -567,7 +569,7 @@ int dci_format1_pack(srslte_ra_dl_dci_t *data, srslte_dci_msg_t *msg, uint32_t n
srslte_bit_unpack(data->tpc_pucch, &y, 2);
// Padding with zeros
uint32_t n = srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT1, nof_prb);
uint32_t n = srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT1, nof_prb, 1);
while (y - msg->data < n) {
*y++ = 0;
}
@ -582,7 +584,7 @@ int dci_format1_unpack(srslte_dci_msg_t *msg, srslte_ra_dl_dci_t *data, uint32_t
uint8_t *y = msg->data;
/* Make sure it's a SRSLTE_DCI_FORMAT1 message */
if (msg->nof_bits != srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT1, nof_prb)) {
if (msg->nof_bits != srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT1, nof_prb, 1)) {
fprintf(stderr, "Invalid message length for format 1\n");
return SRSLTE_ERROR;
}
@ -615,7 +617,7 @@ int dci_format1_unpack(srslte_dci_msg_t *msg, srslte_ra_dl_dci_t *data, uint32_t
data->mcs_idx = srslte_bit_pack(&y, 5);
/* harq process number */
data->harq_process = srslte_bit_pack(&y, 3);
data->harq_process = srslte_bit_pack(&y, harq_pid_len);
data->ndi = *y++ ? true : false;
// rv version
@ -687,7 +689,7 @@ int dci_format1As_pack(srslte_ra_dl_dci_t *data, srslte_dci_msg_t *msg, uint32_t
// in format1A, MCS = TBS according to 7.1.7.2 of 36.213
srslte_bit_unpack(data->mcs_idx, &y, 5);
srslte_bit_unpack(data->harq_process, &y, 3);
srslte_bit_unpack(data->harq_process, &y, harq_pid_len);
if (crc_is_crnti) {
if (nof_prb >= 50 && data->type2_alloc.mode == SRSLTE_RA_TYPE2_DIST) {
@ -712,7 +714,7 @@ int dci_format1As_pack(srslte_ra_dl_dci_t *data, srslte_dci_msg_t *msg, uint32_t
}
// Padding with zeros
uint32_t n = srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT1A, nof_prb);
uint32_t n = srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT1A, nof_prb, 1);
while (y - msg->data < n) {
*y++ = 0;
}
@ -731,7 +733,7 @@ int dci_format1As_unpack(srslte_dci_msg_t *msg, srslte_ra_dl_dci_t *data, uint32
uint8_t *y = msg->data;
/* Make sure it's a SRSLTE_DCI_FORMAT0 message */
if (msg->nof_bits != srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT1A, nof_prb)) {
if (msg->nof_bits != srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT1A, nof_prb, 1)) {
fprintf(stderr, "Invalid message length for format 1A\n");
return SRSLTE_ERROR;
}
@ -788,7 +790,7 @@ int dci_format1As_unpack(srslte_dci_msg_t *msg, srslte_ra_dl_dci_t *data, uint32
// unpack MCS
data->mcs_idx = srslte_bit_pack(&y, 5);
data->harq_process = srslte_bit_pack(&y, 3);
data->harq_process = srslte_bit_pack(&y, harq_pid_len);
if (!crc_is_crnti) {
if (nof_prb >= 50 && data->type2_alloc.mode == SRSLTE_RA_TYPE2_DIST) {
@ -848,7 +850,7 @@ int dci_format1B_unpack(srslte_dci_msg_t *msg, srslte_ra_dl_dci_t *data, uint32_
// unpack MCS, Harq pid and ndi
data->mcs_idx = srslte_bit_pack(&y, 5);
data->harq_process = srslte_bit_pack(&y, 3);
data->harq_process = srslte_bit_pack(&y, harq_pid_len);
data->ndi = *y++ ? true : false;
data->rv_idx = srslte_bit_pack(&y, 2);
@ -924,7 +926,7 @@ int dci_format1Cs_unpack(srslte_dci_msg_t *msg, srslte_ra_dl_dci_t *data, uint32
/* pack bits */
uint8_t *y = msg->data;
if (msg->nof_bits != srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT1C, nof_prb)) {
if (msg->nof_bits != srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT1C, nof_prb, 1)) {
fprintf(stderr, "Invalid message length for format 1C\n");
return SRSLTE_ERROR;
}
@ -989,7 +991,7 @@ int dci_format1D_unpack(srslte_dci_msg_t *msg, srslte_ra_dl_dci_t *data, uint32_
// unpack MCS, Harq pid and ndi
data->mcs_idx = srslte_bit_pack(&y, 5);
data->harq_process = srslte_bit_pack(&y, 3);
data->harq_process = srslte_bit_pack(&y, harq_pid_len);
data->ndi = *y++ ? true : false;
data->rv_idx = srslte_bit_pack(&y, 2);
@ -1038,7 +1040,7 @@ int dci_format2AB_unpack(srslte_dci_msg_t *msg, srslte_ra_dl_dci_t *data, uint32
y+=2;
/* harq process number */
data->harq_process = srslte_bit_pack(&y, 3);
data->harq_process = srslte_bit_pack(&y, harq_pid_len);
// Transpor block to codeword swap flag
if (msg->format == SRSLTE_DCI_FORMAT2B) {
@ -1202,16 +1204,16 @@ int srslte_dci_msg_get_type(srslte_dci_msg_t *msg, srslte_dci_msg_type_t *type,
uint16_t msg_rnti)
{
DEBUG("Get message type: nof_bits=%d, msg_rnti=0x%x\n", msg->nof_bits, msg_rnti);
if (msg->nof_bits == srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT0, nof_prb)
if (msg->nof_bits == srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT0, nof_prb, 1)
&& !msg->data[0]) {
type->type = SRSLTE_DCI_MSG_TYPE_PUSCH_SCHED;
type->format = SRSLTE_DCI_FORMAT0;
return SRSLTE_SUCCESS;
} else if (msg->nof_bits == srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT1, nof_prb)) {
} else if (msg->nof_bits == srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT1, nof_prb, 1)) {
type->type = SRSLTE_DCI_MSG_TYPE_PDSCH_SCHED; // only these 2 types supported
type->format = SRSLTE_DCI_FORMAT1;
return SRSLTE_SUCCESS;
} else if (msg->nof_bits == srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT1A, nof_prb)) {
} else if (msg->nof_bits == srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT1A, nof_prb, 1)) {
/* The RNTI is not the only condition. Also some fields in the packet.
* if (msg_rnti >= SRSLTE_CRNTI_START && msg_rnti <= SRSLTE_CRNTI_END) {
type->type = SRSLTE_DCI_MSG_TYPE_RA_PROC_PDCCH;
@ -1222,7 +1224,7 @@ int srslte_dci_msg_get_type(srslte_dci_msg_t *msg, srslte_dci_msg_type_t *type,
type->format = SRSLTE_DCI_FORMAT1A;
//}
return SRSLTE_SUCCESS;
} else if (msg->nof_bits == srslte_dci_format_sizeof_lut(SRSLTE_DCI_FORMAT1C, nof_prb)) {
} else if (msg->nof_bits == srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT1C, nof_prb, 1)) {
if (msg_rnti == SRSLTE_MRNTI) {
type->type = SRSLTE_DCI_MSG_TYPE_MCCH_CHANGE;
type->format = SRSLTE_DCI_FORMAT1C;

2
srslte/lib/phch/pdcch.c
Unescape Escape View File

@ -340,7 +340,7 @@ int srslte_pdcch_decode_msg(srslte_pdcch_t *q,
} else {
ret = SRSLTE_SUCCESS;
uint32_t nof_bits = srslte_dci_format_sizeof_lut(format, q->cell.nof_prb);
uint32_t nof_bits = srslte_dci_format_sizeof(format, q->cell.nof_prb, q->cell.nof_ports);
uint32_t e_bits = PDCCH_FORMAT_NOF_BITS(location->L);
double mean = 0;

5
srslte/lib/rf/CMakeLists.txt
Unescape Escape View File

@ -33,8 +33,10 @@ if(RF_FOUND)
list(APPEND SOURCES_RF rf_blade_imp.c)
endif (BLADERF_FOUND)
add_compile_options(-march=native -mfpmath=sse -mno-avx -msse4.1)
add_library(srslte_rf SHARED ${SOURCES_RF})
if (UHD_FOUND)
target_link_libraries(srslte_rf ${UHD_LIBRARIES})
endif (UHD_FOUND)
@ -43,5 +45,6 @@ if(RF_FOUND)
target_link_libraries(srslte_rf ${BLADERF_LIBRARIES})
endif (BLADERF_FOUND)
INSTALL(TARGETS srslte_rf DESTINATION ${LIBRARY_DIR})
SRSLTE_SET_PIC(srslte_rf)
endif(RF_FOUND)
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