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openairinterface5g/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder_offload.c
T
Jaroslava Fiedlerova c66b09c8a3 T2: Fix buffer overflow and HARQ codeblock ID out of range 
- set size of buffers to max E
- change HARQ codeblock offset calculation for T2
- add constant for maximum code block size - max E
2023-12-21 11:19:13 +01:00

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017 Intel Corporation
*/
/*!\file nrLDPC_decoder_offload.c
* \brief Defines the LDPC decoder
* \author openairinterface
* \date 12-06-2021
* \version 1.0
* \note: based on testbbdev test_bbdev_perf.c functions. Harq buffer offset added.
* \mbuf and mempool allocated at the init step, LDPC parameters updated from OAI.
* \warning
*/
#include <stdint.h>
#include "PHY/sse_intrin.h"
#include "nrLDPCdecoder_defs.h"
#include "nrLDPC_types.h"
#include "nrLDPC_init.h"
#include "nrLDPC_mPass.h"
#include "nrLDPC_cnProc.h"
#include "nrLDPC_bnProc.h"
#include <common/utils/LOG/log.h>
#define NR_LDPC_ENABLE_PARITY_CHECK
#ifdef NR_LDPC_DEBUG_MODE
#include "nrLDPC_tools/nrLDPC_debug.h"
#endif
#include "openair1/PHY/CODING/nrLDPC_extern.h"
#include <getopt.h>
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include <rte_eal.h>
#include <rte_common.h>
#include <rte_string_fns.h>
#include <rte_cycles.h>
#include <rte_lcore.h>
#include <rte_pdump.h>
#include "nrLDPC_offload.h"
#include <math.h>
#include <rte_dev.h>
#include <rte_launch.h>
#include <rte_bbdev.h>
#include <rte_malloc.h>
#include <rte_random.h>
#include <rte_hexdump.h>
#include <rte_interrupts.h>
// this socket is the NUMA socket, so the hardware CPU id (numa is complex)
#define GET_SOCKET(socket_id) (((socket_id) == SOCKET_ID_ANY) ? 0 : (socket_id))
#define MAX_QUEUES 16
#define OPS_CACHE_SIZE 256U
#define OPS_POOL_SIZE_MIN 511U /* 0.5K per queue */
#define SYNC_WAIT 0
#define SYNC_START 1
#define INVALID_OPAQUE -1
#define TIME_OUT_POLL 1e8
#define INVALID_QUEUE_ID -1
/* Increment for next code block in external HARQ memory */
#define HARQ_INCR 32768
/* Headroom for filler LLRs insertion in HARQ buffer */
#define FILLER_HEADROOM 1024
pthread_mutex_t encode_mutex;
pthread_mutex_t decode_mutex;
const char *typeStr[] = {
"RTE_BBDEV_OP_NONE", /**< Dummy operation that does nothing */
"RTE_BBDEV_OP_TURBO_DEC", /**< Turbo decode */
"RTE_BBDEV_OP_TURBO_ENC", /**< Turbo encode */
"RTE_BBDEV_OP_LDPC_DEC", /**< LDPC decode */
"RTE_BBDEV_OP_LDPC_ENC", /**< LDPC encode */
"RTE_BBDEV_OP_TYPE_COUNT", /**< Count of different op types */
};
/* Represents tested active devices */
struct active_device {
const char *driver_name;
uint8_t dev_id;
int dec_queue;
int enc_queue;
uint16_t queue_ids[MAX_QUEUES];
uint16_t nb_queues;
struct rte_mempool *bbdev_dec_op_pool;
struct rte_mempool *bbdev_enc_op_pool;
struct rte_mempool *in_mbuf_pool;
struct rte_mempool *hard_out_mbuf_pool;
struct rte_mempool *soft_out_mbuf_pool;
struct rte_mempool *harq_in_mbuf_pool;
struct rte_mempool *harq_out_mbuf_pool;
} active_devs[RTE_BBDEV_MAX_DEVS];
static int nb_active_devs;
/* Data buffers used by BBDEV ops */
struct test_buffers {
struct rte_bbdev_op_data *inputs;
struct rte_bbdev_op_data *hard_outputs;
struct rte_bbdev_op_data *soft_outputs;
struct rte_bbdev_op_data *harq_inputs;
struct rte_bbdev_op_data *harq_outputs;
};
/* Operation parameters specific for given test case */
struct test_op_params {
struct rte_mempool *mp_dec;
struct rte_mempool *mp_enc;
struct rte_bbdev_dec_op *ref_dec_op;
struct rte_bbdev_enc_op *ref_enc_op;
uint16_t burst_sz;
uint16_t num_to_process;
uint16_t num_lcores;
int vector_mask;
rte_atomic16_t sync;
struct test_buffers q_bufs[RTE_MAX_NUMA_NODES][MAX_QUEUES];
};
/* Contains per lcore params */
struct thread_params {
uint8_t dev_id;
uint16_t queue_id;
uint32_t lcore_id;
uint64_t start_time;
double ops_per_sec;
double mbps;
uint8_t iter_count;
double iter_average;
double bler;
struct nrLDPCoffload_params *p_offloadParams;
uint8_t *p_out;
uint8_t r;
uint8_t harq_pid;
uint8_t ulsch_id;
rte_atomic16_t nb_dequeued;
rte_atomic16_t processing_status;
rte_atomic16_t burst_sz;
struct test_op_params *op_params;
struct rte_bbdev_dec_op *dec_ops[MAX_BURST];
struct rte_bbdev_enc_op *enc_ops[MAX_BURST];
};
// DPDK BBDEV copy
static inline void
mbuf_reset(struct rte_mbuf *m)
{
m->pkt_len = 0;
do {
m->data_len = 0;
m = m->next;
} while (m != NULL);
}
/* Read flag value 0/1 from bitmap */
// DPDK BBDEV copy
static inline bool
check_bit(uint32_t bitmap, uint32_t bitmask)
{
return bitmap & bitmask;
}
/* calculates optimal mempool size not smaller than the val */
// DPDK BBDEV copy
static unsigned int
optimal_mempool_size(unsigned int val)
{
return rte_align32pow2(val + 1) - 1;
}
// DPDK BBDEV modified - sizes passed to the function, use of data_len and nb_segments, remove code related to Soft outputs, HARQ
// inputs, HARQ outputs
static int create_mempools(struct active_device *ad, int socket_id, uint16_t num_ops, int out_buff_sz, int in_max_sz)
{
unsigned int ops_pool_size, mbuf_pool_size, data_room_size = 0;
uint8_t nb_segments = 1;
ops_pool_size = optimal_mempool_size(RTE_MAX(
/* Ops used plus 1 reference op */
RTE_MAX((unsigned int)(ad->nb_queues * num_ops + 1),
/* Minimal cache size plus 1 reference op */
(unsigned int)(1.5 * rte_lcore_count() * OPS_CACHE_SIZE + 1)),
OPS_POOL_SIZE_MIN));
/* Decoder ops mempool */
ad->bbdev_dec_op_pool = rte_bbdev_op_pool_create("bbdev_op_pool_dec", RTE_BBDEV_OP_LDPC_DEC,
/* Encoder ops mempool */ ops_pool_size, OPS_CACHE_SIZE, socket_id);
ad->bbdev_enc_op_pool = rte_bbdev_op_pool_create("bbdev_op_pool_enc", RTE_BBDEV_OP_LDPC_ENC,
ops_pool_size, OPS_CACHE_SIZE, socket_id);
if ((ad->bbdev_dec_op_pool == NULL) || (ad->bbdev_enc_op_pool == NULL))
TEST_ASSERT_NOT_NULL(NULL, "ERROR Failed to create %u items ops pool for dev %u on socket %d.",
ops_pool_size, ad->dev_id, socket_id);
/* Inputs */
mbuf_pool_size = optimal_mempool_size(ops_pool_size * nb_segments);
data_room_size = RTE_MAX(in_max_sz + RTE_PKTMBUF_HEADROOM + FILLER_HEADROOM, (unsigned int)RTE_MBUF_DEFAULT_BUF_SIZE);
ad->in_mbuf_pool = rte_pktmbuf_pool_create("in_mbuf_pool", mbuf_pool_size, 0, 0, data_room_size, socket_id);
TEST_ASSERT_NOT_NULL(ad->in_mbuf_pool,
"ERROR Failed to create %u items input pktmbuf pool for dev %u on socket %d.",
mbuf_pool_size, ad->dev_id, socket_id);
/* Hard outputs */
data_room_size = RTE_MAX(out_buff_sz + RTE_PKTMBUF_HEADROOM + FILLER_HEADROOM, (unsigned int)RTE_MBUF_DEFAULT_BUF_SIZE);
ad->hard_out_mbuf_pool = rte_pktmbuf_pool_create("hard_out_mbuf_pool", mbuf_pool_size, 0, 0, data_room_size, socket_id);
TEST_ASSERT_NOT_NULL(ad->hard_out_mbuf_pool,
"ERROR Failed to create %u items hard output pktmbuf pool for dev %u on socket %d.",
mbuf_pool_size, ad->dev_id, socket_id);
return 0;
}
const char *ldpcenc_flag_bitmask[] = {
/** Set for bit-level interleaver bypass on output stream. */
"RTE_BBDEV_LDPC_INTERLEAVER_BYPASS",
/** If rate matching is to be performed */
"RTE_BBDEV_LDPC_RATE_MATCH",
/** Set for transport block CRC-24A attach */
"RTE_BBDEV_LDPC_CRC_24A_ATTACH",
/** Set for code block CRC-24B attach */
"RTE_BBDEV_LDPC_CRC_24B_ATTACH",
/** Set for code block CRC-16 attach */
"RTE_BBDEV_LDPC_CRC_16_ATTACH",
/** Set if a device supports encoder dequeue interrupts. */
"RTE_BBDEV_LDPC_ENC_INTERRUPTS",
/** Set if a device supports scatter-gather functionality. */
"RTE_BBDEV_LDPC_ENC_SCATTER_GATHER",
/** Set if a device supports concatenation of non byte aligned output */
"RTE_BBDEV_LDPC_ENC_CONCATENATION",
};
const char *ldpcdec_flag_bitmask[] = {
/** Set for transport block CRC-24A checking */
"RTE_BBDEV_LDPC_CRC_TYPE_24A_CHECK",
/** Set for code block CRC-24B checking */
"RTE_BBDEV_LDPC_CRC_TYPE_24B_CHECK",
/** Set to drop the last CRC bits decoding output */
"RTE_BBDEV_LDPC_CRC_TYPE_24B_DROP"
/** Set for bit-level de-interleaver bypass on Rx stream. */
"RTE_BBDEV_LDPC_DEINTERLEAVER_BYPASS",
/** Set for HARQ combined input stream enable. */
"RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE",
/** Set for HARQ combined output stream enable. */
"RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE",
/** Set for LDPC decoder bypass.
* RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE must be set.
*/
"RTE_BBDEV_LDPC_DECODE_BYPASS",
/** Set for soft-output stream enable */
"RTE_BBDEV_LDPC_SOFT_OUT_ENABLE",
/** Set for Rate-Matching bypass on soft-out stream. */
"RTE_BBDEV_LDPC_SOFT_OUT_RM_BYPASS",
/** Set for bit-level de-interleaver bypass on soft-output stream. */
"RTE_BBDEV_LDPC_SOFT_OUT_DEINTERLEAVER_BYPASS",
/** Set for iteration stopping on successful decode condition
* i.e. a successful syndrome check.
*/
"RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE",
/** Set if a device supports decoder dequeue interrupts. */
"RTE_BBDEV_LDPC_DEC_INTERRUPTS",
/** Set if a device supports scatter-gather functionality. */
"RTE_BBDEV_LDPC_DEC_SCATTER_GATHER",
/** Set if a device supports input/output HARQ compression. */
"RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION",
/** Set if a device supports input LLR compression. */
"RTE_BBDEV_LDPC_LLR_COMPRESSION",
/** Set if a device supports HARQ input from
* device's internal memory.
*/
"RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_IN_ENABLE",
/** Set if a device supports HARQ output to
* device's internal memory.
*/
"RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE",
/** Set if a device supports loop-back access to
* HARQ internal memory. Intended for troubleshooting.
*/
"RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK",
/** Set if a device includes LLR filler bits in the circular buffer
* for HARQ memory. If not set, it is assumed the filler bits are not
* in HARQ memory and handled directly by the LDPC decoder.
*/
"RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_FILLERS",
};
// DPDK BBDEV modified - in DPDK this function is named add_bbdev_dev, removed code for RTE_BASEBAND_ACC100, IMO we can also remove
// RTE_LIBRTE_PMD_BBDEV_FPGA_LTE_FEC and RTE_LIBRTE_PMD_BBDEV_FPGA_5GNR_FEC - to be checked
static int add_dev(uint8_t dev_id, struct rte_bbdev_info *info)
{
int ret;
struct active_device *ad = &active_devs[nb_active_devs];
unsigned int nb_queues;
nb_queues = RTE_MIN(rte_lcore_count(), info->drv.max_num_queues);
nb_queues = RTE_MIN(nb_queues, (unsigned int)MAX_QUEUES);
/* Display for debug the capabilities of the card */
for (int i = 0; info->drv.capabilities[i].type != RTE_BBDEV_OP_NONE; i++) {
printf("device: %d, capability[%d]=%s\n", dev_id, i, typeStr[info->drv.capabilities[i].type]);
if (info->drv.capabilities[i].type == RTE_BBDEV_OP_LDPC_ENC) {
const struct rte_bbdev_op_cap_ldpc_enc cap = info->drv.capabilities[i].cap.ldpc_enc;
printf(" buffers: src = %d, dst = %d\n capabilites: ", cap.num_buffers_src, cap.num_buffers_dst);
for (int j = 0; j < sizeof(cap.capability_flags) * 8; j++)
if (cap.capability_flags & (1ULL << j))
printf("%s ", ldpcenc_flag_bitmask[j]);
printf("\n");
}
if (info->drv.capabilities[i].type == RTE_BBDEV_OP_LDPC_DEC) {
const struct rte_bbdev_op_cap_ldpc_dec cap = info->drv.capabilities[i].cap.ldpc_dec;
printf(" buffers: src = %d, hard out = %d, soft_out %d, llr size %d, llr decimals %d \n capabilities: ",
cap.num_buffers_src,
cap.num_buffers_hard_out,
cap.num_buffers_soft_out,
cap.llr_size,
cap.llr_decimals);
for (int j = 0; j < sizeof(cap.capability_flags) * 8; j++)
if (cap.capability_flags & (1ULL << j))
printf("%s ", ldpcdec_flag_bitmask[j]);
printf("\n");
}
}
/* setup device */
ret = rte_bbdev_setup_queues(dev_id, nb_queues, info->socket_id);
if (ret < 0) {
printf("rte_bbdev_setup_queues(%u, %u, %d) ret %i\n", dev_id, nb_queues, info->socket_id, ret);
return TEST_FAILED;
}
/* setup device queues */
struct rte_bbdev_queue_conf qconf = {
.socket = info->socket_id,
.queue_size = info->drv.default_queue_conf.queue_size,
};
// Search a queue linked to HW capability ldpc decoding
qconf.op_type = RTE_BBDEV_OP_LDPC_ENC;
int queue_id;
for (queue_id = 0; queue_id < nb_queues; ++queue_id) {
ret = rte_bbdev_queue_configure(dev_id, queue_id, &qconf);
if (ret == 0) {
printf("Found LDCP encoding queue (id=%u) at prio%u on dev%u\n", queue_id, qconf.priority, dev_id);
qconf.priority++;
//ret = rte_bbdev_queue_configure(ad->dev_id, queue_id, &qconf);
ad->enc_queue = queue_id;
ad->queue_ids[queue_id] = queue_id;
break;
}
}
TEST_ASSERT(queue_id != nb_queues, "ERROR Failed to configure encoding queues on dev %u", dev_id);
// Search a queue linked to HW capability ldpc encoding
qconf.op_type = RTE_BBDEV_OP_LDPC_DEC;
for (queue_id++; queue_id < nb_queues; ++queue_id) {
ret = rte_bbdev_queue_configure(dev_id, queue_id, &qconf);
if (ret == 0) {
printf("Found LDCP decoding queue (id=%u) at prio%u on dev%u\n", queue_id, qconf.priority, dev_id);
qconf.priority++;
//ret = rte_bbdev_queue_configure(ad->dev_id, queue_id, &qconf);
ad->dec_queue = queue_id;
ad->queue_ids[queue_id] = queue_id;
break;
}
}
TEST_ASSERT(queue_id != nb_queues, "ERROR Failed to configure encoding queues on dev %u", dev_id);
ad->nb_queues = 2;
return TEST_SUCCESS;
}
// DPDK BBDEV modified - nb_segments used, we are not using struct op_data_entries *ref_entries, but struct rte_mbuf *m_head,
// rte_pktmbuf_reset(m_head) added? if ((op_type == DATA_INPUT) || (op_type == DATA_HARQ_INPUT)) -> no code in else?
static int init_op_data_objs(struct rte_bbdev_op_data *bufs,
uint8_t *input,
uint32_t data_len,
struct rte_mbuf *m_head,
struct rte_mempool *mbuf_pool,
const uint16_t n,
enum op_data_type op_type,
uint16_t min_alignment)
{
int ret;
unsigned int i, j;
bool large_input = false;
uint8_t nb_segments = 1;
for (i = 0; i < n; ++i) {
char *data;
if (data_len > RTE_BBDEV_LDPC_E_MAX_MBUF) {
/*
* Special case when DPDK mbuf cannot handle
* the required input size
*/
printf("Warning: Larger input size than DPDK mbuf %u\n", data_len);
large_input = true;
}
bufs[i].data = m_head;
bufs[i].offset = 0;
bufs[i].length = 0;
if ((op_type == DATA_INPUT) || (op_type == DATA_HARQ_INPUT)) {
if ((op_type == DATA_INPUT) && large_input) {
/* Allocate a fake overused mbuf */
data = rte_malloc(NULL, data_len, 0);
TEST_ASSERT_NOT_NULL(data, "rte malloc failed with %u bytes", data_len);
memcpy(data, input, data_len);
m_head->buf_addr = data;
m_head->buf_iova = rte_malloc_virt2iova(data);
m_head->data_off = 0;
m_head->data_len = data_len;
} else {
// rte_pktmbuf_reset added
rte_pktmbuf_reset(m_head);
data = rte_pktmbuf_append(m_head, data_len);
TEST_ASSERT_NOT_NULL(data, "Couldn't append %u bytes to mbuf from %d data type mbuf pool", data_len, op_type);
TEST_ASSERT(data == RTE_PTR_ALIGN(data, min_alignment),
"Data addr in mbuf (%p) is not aligned to device min alignment (%u)",
data,
min_alignment);
rte_memcpy(data, input, data_len);
}
bufs[i].length += data_len;
for (j = 1; j < nb_segments; ++j) {
struct rte_mbuf *m_tail = rte_pktmbuf_alloc(mbuf_pool);
TEST_ASSERT_NOT_NULL(m_tail,
"Not enough mbufs in %d data type mbuf pool (needed %d, available %u)",
op_type,
n * nb_segments,
mbuf_pool->size);
data = rte_pktmbuf_append(m_tail, data_len);
TEST_ASSERT_NOT_NULL(data, "Couldn't append %u bytes to mbuf from %d data type mbuf pool", data_len, op_type);
TEST_ASSERT(data == RTE_PTR_ALIGN(data, min_alignment),
"Data addr in mbuf (%p) is not aligned to device min alignment (%u)",
data,
min_alignment);
rte_memcpy(data, input, data_len);
bufs[i].length += data_len;
ret = rte_pktmbuf_chain(m_head, m_tail);
TEST_ASSERT_SUCCESS(ret, "Couldn't chain mbufs from %d data type mbuf pool", op_type);
}
} else {
/* allocate chained-mbuf for output buffer */
/*for (j = 1; j < nb_segments; ++j) {
struct rte_mbuf *m_tail =
rte_pktmbuf_alloc(mbuf_pool);
TEST_ASSERT_NOT_NULL(m_tail,
"Not enough mbufs in %d data type mbuf pool (needed %u, available %u)",
op_type,
n * nb_segments,
mbuf_pool->size);
ret = rte_pktmbuf_chain(m_head, m_tail);
TEST_ASSERT_SUCCESS(ret,
"Couldn't chain mbufs from %d data type mbuf pool",
op_type);
}*/
}
}
return 0;
}
// DPDK BBEV copy
static int allocate_buffers_on_socket(struct rte_bbdev_op_data **buffers, const int len, const int socket)
{
int i;
*buffers = rte_zmalloc_socket(NULL, len, 0, socket);
if (*buffers == NULL) {
printf("WARNING: Failed to allocate op_data on socket %d\n", socket);
/* try to allocate memory on other detected sockets */
for (i = 0; i < socket; i++) {
*buffers = rte_zmalloc_socket(NULL, len, 0, i);
if (*buffers != NULL)
break;
}
}
return (*buffers == NULL) ? TEST_FAILED : TEST_SUCCESS;
}
// DPDK BBDEV copy
static void
free_buffers(struct active_device *ad, struct test_op_params *op_params)
{
rte_mempool_free(ad->bbdev_dec_op_pool);
rte_mempool_free(ad->bbdev_enc_op_pool);
rte_mempool_free(ad->in_mbuf_pool);
rte_mempool_free(ad->hard_out_mbuf_pool);
rte_mempool_free(ad->soft_out_mbuf_pool);
rte_mempool_free(ad->harq_in_mbuf_pool);
rte_mempool_free(ad->harq_out_mbuf_pool);
for (int i = 0; i < rte_lcore_count(); ++i) {
for (int j = 0; j < RTE_MAX_NUMA_NODES; ++j) {
rte_free(op_params->q_bufs[j][i].inputs);
rte_free(op_params->q_bufs[j][i].hard_outputs);
rte_free(op_params->q_bufs[j][i].soft_outputs);
rte_free(op_params->q_bufs[j][i].harq_inputs);
rte_free(op_params->q_bufs[j][i].harq_outputs);
}
}
}
// OAI / DPDK BBDEV modified - in DPDK named copy_reference_dec_op, here we are passing t_nrLDPCoffload_params *p_offloadParams to
// the function, check what is value of n, commented code for code block mode
static void
set_ldpc_dec_op(struct rte_bbdev_dec_op **ops, unsigned int n,
unsigned int start_idx,
struct test_buffers *bufs,
struct rte_bbdev_dec_op *ref_op,
uint8_t r,
uint8_t harq_pid,
uint8_t ulsch_id,
t_nrLDPCoffload_params *p_offloadParams)
{
unsigned int i;
for (i = 0; i < n; ++i) {
ops[i]->ldpc_dec.cb_params.e = p_offloadParams->E;
ops[i]->ldpc_dec.basegraph = p_offloadParams->BG;
ops[i]->ldpc_dec.z_c = p_offloadParams->Z;
ops[i]->ldpc_dec.q_m = p_offloadParams->Qm;
ops[i]->ldpc_dec.n_filler = p_offloadParams->F;
ops[i]->ldpc_dec.n_cb = p_offloadParams->n_cb;
ops[i]->ldpc_dec.iter_max = 20;
ops[i]->ldpc_dec.rv_index = p_offloadParams->rv;
ops[i]->ldpc_dec.op_flags = RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE |
RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_IN_ENABLE |
RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE |
RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE;
if (p_offloadParams->setCombIn) {
ops[i]->ldpc_dec.op_flags |= RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE;
}
LOG_D(PHY,"ULSCH %02d HARQPID %02d R %02d COMBIN %d RV %d NCB %05d \n", ulsch_id, harq_pid, r, p_offloadParams->setCombIn, p_offloadParams->rv, p_offloadParams->n_cb);
ops[i]->ldpc_dec.code_block_mode = 1; // ldpc_dec->code_block_mode;
ops[i]->ldpc_dec.harq_combined_input.offset = ulsch_id * 64 * LDPC_MAX_CB_SIZE + r * LDPC_MAX_CB_SIZE;
ops[i]->ldpc_dec.harq_combined_output.offset = ulsch_id * 64 * LDPC_MAX_CB_SIZE + r * LDPC_MAX_CB_SIZE;
if (bufs->hard_outputs != NULL)
ops[i]->ldpc_dec.hard_output = bufs->hard_outputs[start_idx + i];
if (bufs->inputs != NULL)
ops[i]->ldpc_dec.input = bufs->inputs[start_idx + i];
if (bufs->soft_outputs != NULL)
ops[i]->ldpc_dec.soft_output = bufs->soft_outputs[start_idx + i];
if (bufs->harq_inputs != NULL)
ops[i]->ldpc_dec.harq_combined_input = bufs->harq_inputs[start_idx + i];
if (bufs->harq_outputs != NULL)
ops[i]->ldpc_dec.harq_combined_output = bufs->harq_outputs[start_idx + i];
}
}
static void set_ldpc_enc_op(struct rte_bbdev_enc_op **ops,
unsigned int n,
unsigned int start_idx,
struct rte_bbdev_op_data *inputs,
struct rte_bbdev_op_data *outputs,
struct rte_bbdev_enc_op *ref_op,
t_nrLDPCoffload_params *p_offloadParams)
{
// struct rte_bbdev_op_ldpc_enc *ldpc_enc = &ref_op->ldpc_enc;
for (int i = 0; i < n; ++i) {
ops[i]->ldpc_enc.cb_params.e = 3 * p_offloadParams->E; // Fix mee: what is the correct size for "e" ???
ops[i]->ldpc_enc.basegraph = p_offloadParams->BG;
ops[i]->ldpc_enc.z_c = p_offloadParams->Z;
ops[i]->ldpc_enc.q_m = p_offloadParams->Qm;
ops[i]->ldpc_enc.n_filler = p_offloadParams->F;
ops[i]->ldpc_enc.n_cb = p_offloadParams->n_cb;
ops[i]->ldpc_enc.rv_index = p_offloadParams->rv;
ops[i]->ldpc_enc.op_flags = RTE_BBDEV_LDPC_INTERLEAVER_BYPASS; // RTE_BBDEV_LDPC_RATE_MATCH;
ops[i]->ldpc_enc.code_block_mode = 1;
ops[i]->ldpc_enc.output = outputs[start_idx + i];
ops[i]->ldpc_enc.input = inputs[start_idx + i];
}
}
// DPDK BBDEV modified - in DPDK called validate_dec_op, int8_t* p_out added, remove code related to op_data_entries, turbo_dec
// replaced by ldpc_dec, removed coderelated to soft_output, memcpy(p_out, data+m->data_off, data_len)
static int retrieve_ldpc_dec_op(struct rte_bbdev_dec_op **ops,
const uint16_t n,
struct rte_bbdev_dec_op *ref_op,
const int vector_mask,
uint8_t *p_out)
{
struct rte_bbdev_op_data *hard_output;
struct rte_mbuf *m;
unsigned int i;
char *data;
for (i = 0; i < n; ++i) {
hard_output = &ops[i]->ldpc_dec.hard_output;
m = hard_output->data;
uint16_t data_len = rte_pktmbuf_data_len(m) - hard_output->offset;
data = m->buf_addr;
memcpy(p_out, data + m->data_off, data_len);
}
return 0;
}
static int retrieve_ldpc_enc_op(struct rte_bbdev_enc_op **ops, const uint16_t n, struct rte_bbdev_enc_op *ref_op, uint8_t *p_out)
{
struct rte_bbdev_op_data *output;
struct rte_mbuf *m;
unsigned int i;
char *data;
for (i = 0; i < n; ++i) {
output = &ops[i]->ldpc_enc.output;
m = output->data;
uint16_t data_len = min((384 * 68) / 8, rte_pktmbuf_data_len(m)); // fix me
data = m->buf_addr;
for (int byte = 0; byte < data_len; byte++)
for (int bit = 0; bit < 8; bit++)
p_out[byte * 8 + bit] = (data[m->data_off + byte] >> (7 - bit)) & 1;
}
return 0;
}
// DPDK BBDEV copy
static int init_test_op_params(struct test_op_params *op_params,
enum rte_bbdev_op_type op_type,
struct rte_mempool *ops_mp,
uint16_t burst_sz,
uint16_t num_to_process,
uint16_t num_lcores)
{
int ret = 0;
if (op_type == RTE_BBDEV_OP_LDPC_DEC) {
ret = rte_bbdev_dec_op_alloc_bulk(ops_mp, &op_params->ref_dec_op, 1);
op_params->mp_dec = ops_mp;
} else {
ret = rte_bbdev_enc_op_alloc_bulk(ops_mp, &op_params->ref_enc_op, 1);
op_params->mp_enc = ops_mp;
}
TEST_ASSERT_SUCCESS(ret, "rte_bbdev_op_alloc_bulk() failed");
op_params->burst_sz = burst_sz;
op_params->num_to_process = num_to_process;
op_params->num_lcores = num_lcores;
return 0;
}
// DPDK BBDEV modified - in DPDK called throughput_pmd_lcore_ldpc_dec, code related to extDdr removed
static int
pmd_lcore_ldpc_dec(void *arg)
{
struct thread_params *tp = arg;
uint16_t enq, deq;
const uint16_t queue_id = tp->queue_id;
const uint16_t burst_sz = tp->op_params->burst_sz;
const uint16_t num_ops = tp->op_params->num_to_process;
struct rte_bbdev_dec_op *ops_enq[num_ops];
struct rte_bbdev_dec_op *ops_deq[num_ops];
struct rte_bbdev_dec_op *ref_op = tp->op_params->ref_dec_op;
uint8_t r = tp->r;
uint8_t harq_pid = tp->harq_pid;
uint8_t ulsch_id = tp->ulsch_id;
struct test_buffers *bufs = NULL;
int i, j, ret;
struct rte_bbdev_info info;
uint16_t num_to_enq;
uint8_t *p_out = tp->p_out;
t_nrLDPCoffload_params *p_offloadParams = tp->p_offloadParams;
TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST);
rte_bbdev_info_get(tp->dev_id, &info);
bufs = &tp->op_params->q_bufs[GET_SOCKET(info.socket_id)][queue_id];
while (rte_atomic16_read(&tp->op_params->sync) == SYNC_WAIT)
rte_pause();
ret = rte_mempool_get_bulk(tp->op_params->mp_dec, (void **)ops_enq, num_ops);
// looks like a bbdev internal error for the free operation, workaround here
ops_enq[0]->mempool = tp->op_params->mp_dec;
// ret = rte_bbdev_dec_op_alloc_bulk(tp->op_params->mp, ops_enq, num_ops);
TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_ops);
set_ldpc_dec_op(ops_enq,
num_ops,
0,
bufs,
ref_op,
r,
harq_pid,
ulsch_id,
p_offloadParams);
/* Set counter to validate the ordering */
for (j = 0; j < num_ops; ++j)
ops_enq[j]->opaque_data = (void *)(uintptr_t)j;
for (enq = 0, deq = 0; enq < num_ops;) {
num_to_enq = burst_sz;
if (unlikely(num_ops - enq < num_to_enq))
num_to_enq = num_ops - enq;
enq += rte_bbdev_enqueue_ldpc_dec_ops(tp->dev_id, queue_id, &ops_enq[enq], num_to_enq);
deq += rte_bbdev_dequeue_ldpc_dec_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq);
}
/* dequeue the remaining */
int time_out = 0;
while (deq < enq) {
deq += rte_bbdev_dequeue_ldpc_dec_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq);
time_out++;
DevAssert(time_out <= TIME_OUT_POLL);
}
// This if statement is not in DPDK
if (deq == enq) {
tp->iter_count = 0;
/* get the max of iter_count for all dequeued ops */
for (i = 0; i < num_ops; ++i) {
tp->iter_count = RTE_MAX(ops_enq[i]->ldpc_dec.iter_count, tp->iter_count);
}
ret = retrieve_ldpc_dec_op(ops_deq, num_ops, ref_op, tp->op_params->vector_mask, p_out);
TEST_ASSERT_SUCCESS(ret, "Validation failed!");
}
if (num_ops > 0)
rte_mempool_put_bulk(ops_enq[0]->mempool, (void **)ops_enq, num_ops);
// Return the worst decoding number of iterations for all segments
return tp->iter_count;
}
// DPDK BBDEV copy - in DPDK called throughput_pmd_lcore_ldpc_enc
static int pmd_lcore_ldpc_enc(void *arg)
{
struct thread_params *tp = arg;
uint16_t enq, deq;
const uint16_t queue_id = tp->queue_id;
const uint16_t burst_sz = tp->op_params->burst_sz;
const uint16_t num_ops = tp->op_params->num_to_process;
struct rte_bbdev_enc_op *ops_enq[num_ops];
struct rte_bbdev_enc_op *ops_deq[num_ops];
struct rte_bbdev_enc_op *ref_op = tp->op_params->ref_enc_op;
int j, ret;
uint16_t num_to_enq;
uint8_t *p_out = tp->p_out;
t_nrLDPCoffload_params *p_offloadParams = tp->p_offloadParams;
TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST);
struct rte_bbdev_info info;
rte_bbdev_info_get(tp->dev_id, &info);
TEST_ASSERT_SUCCESS((num_ops > info.drv.queue_size_lim), "NUM_OPS cannot exceed %u for this device", info.drv.queue_size_lim);
struct test_buffers *bufs = &tp->op_params->q_bufs[GET_SOCKET(info.socket_id)][queue_id];
while (rte_atomic16_read(&tp->op_params->sync) == SYNC_WAIT)
rte_pause();
ret = rte_mempool_get_bulk(tp->op_params->mp_enc, (void **)ops_enq, num_ops);
// ret = rte_bbdev_enc_op_alloc_bulk(tp->op_params->mp, ops_enq, num_ops);
TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_ops);
ops_enq[0]->mempool = tp->op_params->mp_enc;
set_ldpc_enc_op(ops_enq, num_ops, 0, bufs->inputs, bufs->hard_outputs, ref_op, p_offloadParams);
/* Set counter to validate the ordering */
for (j = 0; j < num_ops; ++j)
ops_enq[j]->opaque_data = (void *)(uintptr_t)j;
for (j = 0; j < num_ops; ++j)
mbuf_reset(ops_enq[j]->ldpc_enc.output.data);
for (enq = 0, deq = 0; enq < num_ops;) {
num_to_enq = burst_sz;
if (unlikely(num_ops - enq < num_to_enq))
num_to_enq = num_ops - enq;
enq += rte_bbdev_enqueue_ldpc_enc_ops(tp->dev_id, queue_id, &ops_enq[enq], num_to_enq);
deq += rte_bbdev_dequeue_ldpc_enc_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq);
}
/* dequeue the remaining */
int time_out = 0;
while (deq < enq) {
deq += rte_bbdev_dequeue_ldpc_enc_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq);
time_out++;
DevAssert(time_out <= TIME_OUT_POLL);
}
ret = retrieve_ldpc_enc_op(ops_deq, num_ops, ref_op, p_out);
TEST_ASSERT_SUCCESS(ret, "Validation failed!");
// rte_bbdev_enc_op_free_bulk(ops_enq, num_ops);
if (num_ops > 0)
rte_mempool_put_bulk(ops_enq[0]->mempool, (void **)ops_enq, num_ops);
return ret;
}
/*
* Test function that determines how long an enqueue + dequeue of a burst
* takes on available lcores.
*/
// OAI / DPDK BBDEV modified - in DPDK called throughput_test, here we pass more parameters to the function (t_nrLDPCoffload_params
// *p_offloadParams, uint8_t r, ...), many commented lines Removed code which specified which function to use based on the op_type,
// now we are using only pmd_lcore_ldpc_dec for RTE_BBDEV_OP_LDPC_DEC op type. Encoder is RTE_BBDEV_OP_LDPC_ENC op type,
// pmd_lcore_ldpc_enc to be implemented.
int start_pmd_dec(struct active_device *ad,
struct test_op_params *op_params,
t_nrLDPCoffload_params *p_offloadParams,
uint8_t r,
uint8_t harq_pid,
uint8_t ulsch_id,
uint8_t *p_out)
{
int ret;
unsigned int lcore_id, used_cores = 0;
// struct rte_bbdev_info info;
uint16_t num_lcores;
// rte_bbdev_info_get(ad->dev_id, &info);
/* Set number of lcores */
num_lcores = (ad->nb_queues < (op_params->num_lcores)) ? ad->nb_queues : op_params->num_lcores;
/* Allocate memory for thread parameters structure */
struct thread_params *t_params = rte_zmalloc(NULL, num_lcores * sizeof(struct thread_params), RTE_CACHE_LINE_SIZE);
TEST_ASSERT_NOT_NULL(t_params,
"Failed to alloc %zuB for t_params",
RTE_ALIGN(sizeof(struct thread_params) * num_lcores, RTE_CACHE_LINE_SIZE));
rte_atomic16_set(&op_params->sync, SYNC_WAIT);
/* Master core is set at first entry */
t_params[0].dev_id = ad->dev_id;
t_params[0].lcore_id = 15;
t_params[0].op_params = op_params;
t_params[0].queue_id = ad->dec_queue;
used_cores++;
t_params[0].iter_count = 0;
t_params[0].p_out = p_out;
t_params[0].p_offloadParams = p_offloadParams;
t_params[0].r = r;
t_params[0].harq_pid = harq_pid;
t_params[0].ulsch_id = ulsch_id;
// For now, we never enter here, we don't use the DPDK thread pool
RTE_LCORE_FOREACH_WORKER(lcore_id) {
if (used_cores >= num_lcores)
break;
t_params[used_cores].dev_id = ad->dev_id;
t_params[used_cores].lcore_id = lcore_id;
t_params[used_cores].op_params = op_params;
t_params[used_cores].queue_id = ad->queue_ids[used_cores];
t_params[used_cores].iter_count = 0;
t_params[used_cores].p_out = p_out;
t_params[used_cores].p_offloadParams = p_offloadParams;
t_params[used_cores].r = r;
t_params[used_cores].harq_pid = harq_pid;
t_params[used_cores].ulsch_id = ulsch_id;
rte_eal_remote_launch(pmd_lcore_ldpc_dec, &t_params[used_cores++], lcore_id);
}
rte_atomic16_set(&op_params->sync, SYNC_START);
ret = pmd_lcore_ldpc_dec(&t_params[0]);
/* Master core is always used */
// for (used_cores = 1; used_cores < num_lcores; used_cores++)
// ret |= rte_eal_wait_lcore(t_params[used_cores].lcore_id);
/* Return if test failed */
if (ret < 0) {
rte_free(t_params);
return ret;
}
rte_free(t_params);
return ret;
}
int32_t start_pmd_enc(struct active_device *ad,
struct test_op_params *op_params,
t_nrLDPCoffload_params *p_offloadParams,
uint8_t *p_out)
{
int ret;
unsigned int lcore_id, used_cores = 0;
uint16_t num_lcores;
num_lcores = (ad->nb_queues < (op_params->num_lcores)) ? ad->nb_queues : op_params->num_lcores;
/* Allocate memory for thread parameters structure */
struct thread_params *t_params = rte_zmalloc(NULL, num_lcores * sizeof(struct thread_params), RTE_CACHE_LINE_SIZE);
TEST_ASSERT_NOT_NULL(t_params,
"Failed to alloc %zuB for t_params",
RTE_ALIGN(sizeof(struct thread_params) * num_lcores, RTE_CACHE_LINE_SIZE));
rte_atomic16_set(&op_params->sync, SYNC_WAIT);
/* Master core is set at first entry */
t_params[0].dev_id = ad->dev_id;
t_params[0].lcore_id = 14;
t_params[0].op_params = op_params;
// t_params[0].queue_id = ad->queue_ids[used_cores++];
used_cores++;
t_params[0].queue_id = ad->enc_queue;
t_params[0].iter_count = 0;
t_params[0].p_out = p_out;
t_params[0].p_offloadParams = p_offloadParams;
// For now, we never enter here, we don't use the DPDK thread pool
RTE_LCORE_FOREACH_WORKER(lcore_id) {
if (used_cores >= num_lcores)
break;
t_params[used_cores].dev_id = ad->dev_id;
t_params[used_cores].lcore_id = lcore_id;
t_params[used_cores].op_params = op_params;
t_params[used_cores].queue_id = ad->queue_ids[1];
t_params[used_cores].iter_count = 0;
rte_eal_remote_launch(pmd_lcore_ldpc_enc, &t_params[used_cores++], lcore_id);
}
rte_atomic16_set(&op_params->sync, SYNC_START);
ret = pmd_lcore_ldpc_enc(&t_params[0]);
if (ret) {
rte_free(t_params);
return ret;
}
rte_free(t_params);
return ret;
}
struct test_op_params *op_params = NULL;
struct rte_mbuf *m_head[DATA_NUM_TYPES];
// OAI CODE
int32_t LDPCinit()
{
pthread_mutex_init(&encode_mutex, NULL);
pthread_mutex_init(&decode_mutex, NULL);
int ret;
int dev_id = 0;
struct rte_bbdev_info info;
struct active_device *ad = active_devs;
char *dpdk_dev = "41:00.0"; //PCI address of the card
char *argv_re[] = {"bbdev", "-a", dpdk_dev, "-l", "14-15", "--file-prefix=b6", "--"};
// EAL initialization, if already initialized (init in xran lib) try to probe DPDK device
ret = rte_eal_init(5, argv_re);
if (ret < 0) {
printf("EAL initialization failed, probing DPDK device %s\n", dpdk_dev);
if (rte_dev_probe(dpdk_dev) != 0) {
LOG_E(PHY, "T2 card %s not found\n", dpdk_dev);
return (-1);
}
}
// Use only device 0 - first detected device
rte_bbdev_info_get(0, &info);
// Set number of queues based on number of initialized cores (-l option) and driver
// capabilities
TEST_ASSERT_SUCCESS(add_dev(dev_id, &info), "Failed to setup bbdev");
TEST_ASSERT_SUCCESS(rte_bbdev_stats_reset(dev_id), "Failed to reset stats of bbdev %u", dev_id);
TEST_ASSERT_SUCCESS(rte_bbdev_start(dev_id), "Failed to start bbdev %u", dev_id);
//the previous calls have populated this global variable (beurk)
// One more global to remove, not thread safe global op_params
op_params = rte_zmalloc(NULL, sizeof(struct test_op_params), RTE_CACHE_LINE_SIZE);
TEST_ASSERT_NOT_NULL(op_params, "Failed to alloc %zuB for op_params",
RTE_ALIGN(sizeof(struct test_op_params), RTE_CACHE_LINE_SIZE));
int socket_id = GET_SOCKET(info.socket_id);
int out_max_sz = 8448; // max code block size (for BG1), 22 * 384
int in_max_sz = LDPC_MAX_CB_SIZE; // max number of encoded bits (for BG2 and MCS0)
int num_ops = 1;
int f_ret = create_mempools(ad, socket_id, num_ops, out_max_sz, in_max_sz);
if (f_ret != TEST_SUCCESS) {
printf("Couldn't create mempools");
return -1;
}
// get_num_lcores() hardcoded to 1: we use one core for decode, and another for encode
// this code from bbdev test example is not considering encode and decode test
// get_num_ops() replaced by 1: LDPC decode and ldpc encode (7th param)
f_ret = init_test_op_params(op_params, RTE_BBDEV_OP_LDPC_DEC, ad->bbdev_dec_op_pool, 1, 1, 1);
f_ret |= init_test_op_params(op_params, RTE_BBDEV_OP_LDPC_ENC, ad->bbdev_enc_op_pool, 1, 1, 1);
if (f_ret != TEST_SUCCESS) {
printf("Couldn't init test op params");
return -1;
}
// fill_queue_buffers -> allocate_buffers_on_socket
for (int i = 0; i < ad->nb_queues; ++i) {
const uint16_t n = op_params->num_to_process;
struct rte_mempool *in_mp = ad->in_mbuf_pool;
struct rte_mempool *hard_out_mp = ad->hard_out_mbuf_pool;
struct rte_mempool *soft_out_mp = ad->soft_out_mbuf_pool;
struct rte_mempool *harq_in_mp = ad->harq_in_mbuf_pool;
struct rte_mempool *harq_out_mp = ad->harq_out_mbuf_pool;
struct rte_mempool *mbuf_pools[DATA_NUM_TYPES] = {in_mp, soft_out_mp, hard_out_mp, harq_in_mp, harq_out_mp};
uint8_t queue_id = ad->queue_ids[i];
struct rte_bbdev_op_data **queue_ops[DATA_NUM_TYPES] = {&op_params->q_bufs[socket_id][queue_id].inputs,
&op_params->q_bufs[socket_id][queue_id].soft_outputs,
&op_params->q_bufs[socket_id][queue_id].hard_outputs,
&op_params->q_bufs[socket_id][queue_id].harq_inputs,
&op_params->q_bufs[socket_id][queue_id].harq_outputs};
for (enum op_data_type type = DATA_INPUT; type < 3; type += 2) {
int ret = allocate_buffers_on_socket(queue_ops[type], n * sizeof(struct rte_bbdev_op_data), socket_id);
TEST_ASSERT_SUCCESS(ret, "Couldn't allocate memory for rte_bbdev_op_data structs");
m_head[type] = rte_pktmbuf_alloc(mbuf_pools[type]);
TEST_ASSERT_NOT_NULL(m_head[type],
"Not enough mbufs in %d data type mbuf pool (needed %d, available %u)",
type,
1,
mbuf_pools[type]->size);
}
}
return 0;
}
int32_t LDPCshutdown()
{
struct active_device *ad = active_devs;
int dev_id = 0;
struct rte_bbdev_stats stats;
free_buffers(ad, op_params);
rte_free(op_params);
// Stop and close bbdev
rte_bbdev_stats_get(dev_id, &stats);
rte_bbdev_stop(dev_id);
rte_bbdev_close(dev_id);
memset(active_devs, 0, sizeof(active_devs));
nb_active_devs = 0;
return 0;
}
int32_t LDPCdecoder(struct nrLDPC_dec_params *p_decParams,
uint8_t harq_pid,
uint8_t ulsch_id,
uint8_t C,
int8_t *p_llr,
int8_t *p_out,
t_nrLDPC_time_stats *p_profiler,
decode_abort_t *ab)
{
pthread_mutex_lock(&decode_mutex);
// hardcoded we use first device
struct active_device *ad = active_devs;
t_nrLDPCoffload_params offloadParams = {.E = p_decParams->E,
.n_cb = (p_decParams->BG == 1) ? (66 * p_decParams->Z) : (50 * p_decParams->Z),
.BG = p_decParams->BG,
.Z = p_decParams->Z,
.rv = p_decParams->rv,
.F = p_decParams->F,
.Qm = p_decParams->Qm,
.setCombIn = p_decParams->setCombIn};
struct rte_bbdev_info info;
rte_bbdev_info_get(ad->dev_id, &info);
int socket_id = GET_SOCKET(info.socket_id);
// fill_queue_buffers -> init_op_data_objs
struct rte_mempool *in_mp = ad->in_mbuf_pool;
struct rte_mempool *hard_out_mp = ad->hard_out_mbuf_pool;
struct rte_mempool *soft_out_mp = ad->soft_out_mbuf_pool;
struct rte_mempool *harq_in_mp = ad->harq_in_mbuf_pool;
struct rte_mempool *harq_out_mp = ad->harq_out_mbuf_pool;
struct rte_mempool *mbuf_pools[DATA_NUM_TYPES] = {in_mp, soft_out_mp, hard_out_mp, harq_in_mp, harq_out_mp};
uint8_t queue_id = ad->dec_queue;
struct rte_bbdev_op_data **queue_ops[DATA_NUM_TYPES] = {&op_params->q_bufs[socket_id][queue_id].inputs,
&op_params->q_bufs[socket_id][queue_id].soft_outputs,
&op_params->q_bufs[socket_id][queue_id].hard_outputs,
&op_params->q_bufs[socket_id][queue_id].harq_inputs,
&op_params->q_bufs[socket_id][queue_id].harq_outputs};
// this should be modified
// enum rte_bbdev_op_type op_type = RTE_BBDEV_OP_LDPC_DEC;
for (enum op_data_type type = DATA_INPUT; type < 3; type += 2) {
int ret = init_op_data_objs(*queue_ops[type],
(uint8_t *)p_llr,
p_decParams->E,
m_head[type],
mbuf_pools[type],
1,
type,
info.drv.min_alignment);
TEST_ASSERT_SUCCESS(ret, "Couldn't init rte_bbdev_op_data structs");
}
int ret = start_pmd_dec(ad, op_params, &offloadParams, C, harq_pid, ulsch_id, (uint8_t *)p_out);
if (ret < 0) {
printf("Couldn't start pmd dec\n");
pthread_mutex_unlock(&decode_mutex);
return (20); // Fix me: we should propoagate max_iterations properly in the call (impp struct)
}
pthread_mutex_unlock(&decode_mutex);
return ret;
}
int32_t LDPCencoder(unsigned char **input, unsigned char **output, encoder_implemparams_t *impp)
{
pthread_mutex_lock(&encode_mutex);
// hardcoded to use the first found board
struct active_device *ad = active_devs;
int Zc = impp->Zc;
int BG = impp->BG;
t_nrLDPCoffload_params offloadParams = {.E = impp->E,
.n_cb = (BG == 1) ? (66 * Zc) : (50 * Zc),
.BG = BG,
.Z = Zc,
.rv = 0, //impp->rv,
.F = 0, //impp->F,
.Qm = impp->Qm,
.Kr = impp->Kr};
struct rte_bbdev_info info;
rte_bbdev_info_get(ad->dev_id, &info);
int socket_id = GET_SOCKET(info.socket_id);
// fill_queue_buffers -> init_op_data_objs
struct rte_mempool *in_mp = ad->in_mbuf_pool;
struct rte_mempool *hard_out_mp = ad->hard_out_mbuf_pool;
struct rte_mempool *soft_out_mp = ad->soft_out_mbuf_pool;
struct rte_mempool *harq_in_mp = ad->harq_in_mbuf_pool;
struct rte_mempool *harq_out_mp = ad->harq_out_mbuf_pool;
struct rte_mempool *mbuf_pools[DATA_NUM_TYPES] = {in_mp, soft_out_mp, hard_out_mp, harq_in_mp, harq_out_mp};
uint8_t queue_id = ad->enc_queue;
struct rte_bbdev_op_data **queue_ops[DATA_NUM_TYPES] = {&op_params->q_bufs[socket_id][queue_id].inputs,
&op_params->q_bufs[socket_id][queue_id].soft_outputs,
&op_params->q_bufs[socket_id][queue_id].hard_outputs,
&op_params->q_bufs[socket_id][queue_id].harq_inputs,
&op_params->q_bufs[socket_id][queue_id].harq_outputs};
for (enum op_data_type type = DATA_INPUT; type < 3; type += 2) {
int ret = init_op_data_objs(*queue_ops[type],
*input,
(offloadParams.Kr + 7) / 8,
m_head[type],
mbuf_pools[type],
1,
type,
info.drv.min_alignment);
TEST_ASSERT_SUCCESS(ret, "Couldn't init rte_bbdev_op_data structs");
}
int ret=start_pmd_enc(ad, op_params, &offloadParams, *output);
pthread_mutex_unlock(&encode_mutex);
return ret;
}
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