/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2017 Intel Corporation */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "main.h" #include "test_bbdev_vector.h" #define GET_SOCKET(socket_id) (((socket_id) == SOCKET_ID_ANY) ? 0 : (socket_id)) #define MAX_QUEUES RTE_MAX_LCORE #define TEST_REPETITIONS 1000 #ifdef RTE_LIBRTE_PMD_BBDEV_FPGA_LTE_FEC #include #define FPGA_LTE_PF_DRIVER_NAME ("intel_fpga_lte_fec_pf") #define FPGA_LTE_VF_DRIVER_NAME ("intel_fpga_lte_fec_vf") #define VF_UL_4G_QUEUE_VALUE 4 #define VF_DL_4G_QUEUE_VALUE 4 #define UL_4G_BANDWIDTH 3 #define DL_4G_BANDWIDTH 3 #define UL_4G_LOAD_BALANCE 128 #define DL_4G_LOAD_BALANCE 128 #define FLR_4G_TIMEOUT 610 #endif #ifdef RTE_LIBRTE_PMD_BBDEV_FPGA_5GNR_FEC #include #define FPGA_5GNR_PF_DRIVER_NAME ("intel_fpga_5gnr_fec_pf") #define FPGA_5GNR_VF_DRIVER_NAME ("intel_fpga_5gnr_fec_vf") #define VF_UL_5G_QUEUE_VALUE 4 #define VF_DL_5G_QUEUE_VALUE 4 #define UL_5G_BANDWIDTH 3 #define DL_5G_BANDWIDTH 3 #define UL_5G_LOAD_BALANCE 128 #define DL_5G_LOAD_BALANCE 128 #define FLR_5G_TIMEOUT 610 #endif #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 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 /* Constants from K0 computation from 3GPP 38.212 Table 5.4.2.1-2 */ #define N_ZC_1 66 /* N = 66 Zc for BG 1 */ #define N_ZC_2 50 /* N = 50 Zc for BG 2 */ #define K0_1_1 17 /* K0 fraction numerator for rv 1 and BG 1 */ #define K0_1_2 13 /* K0 fraction numerator for rv 1 and BG 2 */ #define K0_2_1 33 /* K0 fraction numerator for rv 2 and BG 1 */ #define K0_2_2 25 /* K0 fraction numerator for rv 2 and BG 2 */ #define K0_3_1 56 /* K0 fraction numerator for rv 3 and BG 1 */ #define K0_3_2 43 /* K0 fraction numerator for rv 3 and BG 2 */ static struct test_bbdev_vector test_vector; /* Switch between PMD and Interrupt for throughput TC */ static bool intr_enabled; /* LLR arithmetic representation for numerical conversion */ static int ldpc_llr_decimals; static int ldpc_llr_size; /* Keep track of the LDPC decoder device capability flag */ static uint32_t ldpc_cap_flags; /* Represents tested active devices */ static struct active_device { const char *driver_name; uint8_t dev_id; uint16_t supported_ops; uint16_t queue_ids[MAX_QUEUES]; uint16_t nb_queues; struct rte_mempool *ops_mempool; 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 uint8_t 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; 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; 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]; }; #ifdef RTE_BBDEV_OFFLOAD_COST /* Stores time statistics */ struct test_time_stats { /* Stores software enqueue total working time */ uint64_t enq_sw_total_time; /* Stores minimum value of software enqueue working time */ uint64_t enq_sw_min_time; /* Stores maximum value of software enqueue working time */ uint64_t enq_sw_max_time; /* Stores turbo enqueue total working time */ uint64_t enq_acc_total_time; /* Stores minimum value of accelerator enqueue working time */ uint64_t enq_acc_min_time; /* Stores maximum value of accelerator enqueue working time */ uint64_t enq_acc_max_time; /* Stores dequeue total working time */ uint64_t deq_total_time; /* Stores minimum value of dequeue working time */ uint64_t deq_min_time; /* Stores maximum value of dequeue working time */ uint64_t deq_max_time; }; #endif typedef int (test_case_function)(struct active_device *ad, struct test_op_params *op_params); 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 */ static inline bool check_bit(uint32_t bitmap, uint32_t bitmask) { return bitmap & bitmask; } static inline void set_avail_op(struct active_device *ad, enum rte_bbdev_op_type op_type) { ad->supported_ops |= (1 << op_type); } static inline bool is_avail_op(struct active_device *ad, enum rte_bbdev_op_type op_type) { return ad->supported_ops & (1 << op_type); } static inline bool flags_match(uint32_t flags_req, uint32_t flags_present) { return (flags_req & flags_present) == flags_req; } static void clear_soft_out_cap(uint32_t *op_flags) { *op_flags &= ~RTE_BBDEV_TURBO_SOFT_OUTPUT; *op_flags &= ~RTE_BBDEV_TURBO_POS_LLR_1_BIT_SOFT_OUT; *op_flags &= ~RTE_BBDEV_TURBO_NEG_LLR_1_BIT_SOFT_OUT; } static int check_dev_cap(const struct rte_bbdev_info *dev_info) { unsigned int i; unsigned int nb_inputs, nb_soft_outputs, nb_hard_outputs, nb_harq_inputs, nb_harq_outputs; const struct rte_bbdev_op_cap *op_cap = dev_info->drv.capabilities; nb_inputs = test_vector.entries[DATA_INPUT].nb_segments; nb_soft_outputs = test_vector.entries[DATA_SOFT_OUTPUT].nb_segments; nb_hard_outputs = test_vector.entries[DATA_HARD_OUTPUT].nb_segments; nb_harq_inputs = test_vector.entries[DATA_HARQ_INPUT].nb_segments; nb_harq_outputs = test_vector.entries[DATA_HARQ_OUTPUT].nb_segments; for (i = 0; op_cap->type != RTE_BBDEV_OP_NONE; ++i, ++op_cap) { if (op_cap->type != test_vector.op_type) continue; if (op_cap->type == RTE_BBDEV_OP_TURBO_DEC) { const struct rte_bbdev_op_cap_turbo_dec *cap = &op_cap->cap.turbo_dec; /* Ignore lack of soft output capability, just skip * checking if soft output is valid. */ if ((test_vector.turbo_dec.op_flags & RTE_BBDEV_TURBO_SOFT_OUTPUT) && !(cap->capability_flags & RTE_BBDEV_TURBO_SOFT_OUTPUT)) { printf( "INFO: Device \"%s\" does not support soft output - soft output flags will be ignored.\n", dev_info->dev_name); clear_soft_out_cap( &test_vector.turbo_dec.op_flags); } if (!flags_match(test_vector.turbo_dec.op_flags, cap->capability_flags)) return TEST_FAILED; if (nb_inputs > cap->num_buffers_src) { printf("Too many inputs defined: %u, max: %u\n", nb_inputs, cap->num_buffers_src); return TEST_FAILED; } if (nb_soft_outputs > cap->num_buffers_soft_out && (test_vector.turbo_dec.op_flags & RTE_BBDEV_TURBO_SOFT_OUTPUT)) { printf( "Too many soft outputs defined: %u, max: %u\n", nb_soft_outputs, cap->num_buffers_soft_out); return TEST_FAILED; } if (nb_hard_outputs > cap->num_buffers_hard_out) { printf( "Too many hard outputs defined: %u, max: %u\n", nb_hard_outputs, cap->num_buffers_hard_out); return TEST_FAILED; } if (intr_enabled && !(cap->capability_flags & RTE_BBDEV_TURBO_DEC_INTERRUPTS)) { printf( "Dequeue interrupts are not supported!\n"); return TEST_FAILED; } return TEST_SUCCESS; } else if (op_cap->type == RTE_BBDEV_OP_TURBO_ENC) { const struct rte_bbdev_op_cap_turbo_enc *cap = &op_cap->cap.turbo_enc; if (!flags_match(test_vector.turbo_enc.op_flags, cap->capability_flags)) return TEST_FAILED; if (nb_inputs > cap->num_buffers_src) { printf("Too many inputs defined: %u, max: %u\n", nb_inputs, cap->num_buffers_src); return TEST_FAILED; } if (nb_hard_outputs > cap->num_buffers_dst) { printf( "Too many hard outputs defined: %u, max: %u\n", nb_hard_outputs, cap->num_buffers_dst); return TEST_FAILED; } if (intr_enabled && !(cap->capability_flags & RTE_BBDEV_TURBO_ENC_INTERRUPTS)) { printf( "Dequeue interrupts are not supported!\n"); return TEST_FAILED; } return TEST_SUCCESS; } else if (op_cap->type == RTE_BBDEV_OP_LDPC_ENC) { const struct rte_bbdev_op_cap_ldpc_enc *cap = &op_cap->cap.ldpc_enc; if (!flags_match(test_vector.ldpc_enc.op_flags, cap->capability_flags)){ printf("Flag Mismatch\n"); return TEST_FAILED; } if (nb_inputs > cap->num_buffers_src) { printf("Too many inputs defined: %u, max: %u\n", nb_inputs, cap->num_buffers_src); return TEST_FAILED; } if (nb_hard_outputs > cap->num_buffers_dst) { printf( "Too many hard outputs defined: %u, max: %u\n", nb_hard_outputs, cap->num_buffers_dst); return TEST_FAILED; } if (intr_enabled && !(cap->capability_flags & RTE_BBDEV_LDPC_ENC_INTERRUPTS)) { printf( "Dequeue interrupts are not supported!\n"); return TEST_FAILED; } return TEST_SUCCESS; } else if (op_cap->type == RTE_BBDEV_OP_LDPC_DEC) { const struct rte_bbdev_op_cap_ldpc_dec *cap = &op_cap->cap.ldpc_dec; if (!flags_match(test_vector.ldpc_dec.op_flags, cap->capability_flags)){ printf("Flag Mismatch\n"); return TEST_FAILED; } if (nb_inputs > cap->num_buffers_src) { printf("Too many inputs defined: %u, max: %u\n", nb_inputs, cap->num_buffers_src); return TEST_FAILED; } if (nb_hard_outputs > cap->num_buffers_hard_out) { printf( "Too many hard outputs defined: %u, max: %u\n", nb_hard_outputs, cap->num_buffers_hard_out); return TEST_FAILED; } if (nb_harq_inputs > cap->num_buffers_hard_out) { printf( "Too many HARQ inputs defined: %u, max: %u\n", nb_hard_outputs, cap->num_buffers_hard_out); return TEST_FAILED; } if (nb_harq_outputs > cap->num_buffers_hard_out) { printf( "Too many HARQ outputs defined: %u, max: %u\n", nb_hard_outputs, cap->num_buffers_hard_out); return TEST_FAILED; } if (intr_enabled && !(cap->capability_flags & RTE_BBDEV_LDPC_DEC_INTERRUPTS)) { printf( "Dequeue interrupts are not supported!\n"); return TEST_FAILED; } if (intr_enabled && (test_vector.ldpc_dec.op_flags & (RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE | RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE | RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK ))) { printf("Skip loop-back with interrupt\n"); return TEST_FAILED; } return TEST_SUCCESS; } } if ((i == 0) && (test_vector.op_type == RTE_BBDEV_OP_NONE)) return TEST_SUCCESS; /* Special case for NULL device */ return TEST_FAILED; } /* calculates optimal mempool size not smaller than the val */ static unsigned int optimal_mempool_size(unsigned int val) { return rte_align32pow2(val + 1) - 1; } /* allocates mbuf mempool for inputs and outputs */ static struct rte_mempool * create_mbuf_pool(struct op_data_entries *entries, uint8_t dev_id, int socket_id, unsigned int mbuf_pool_size, const char *op_type_str) { unsigned int i; uint32_t max_seg_sz = 0; char pool_name[RTE_MEMPOOL_NAMESIZE]; /* find max input segment size */ for (i = 0; i < entries->nb_segments; ++i) if (entries->segments[i].length > max_seg_sz) max_seg_sz = entries->segments[i].length; snprintf(pool_name, sizeof(pool_name), "%s_pool_%u", op_type_str, dev_id); return rte_pktmbuf_pool_create(pool_name, mbuf_pool_size, 0, 0, RTE_MAX(max_seg_sz + RTE_PKTMBUF_HEADROOM + FILLER_HEADROOM, (unsigned int)RTE_MBUF_DEFAULT_BUF_SIZE), socket_id); } static int create_mempools(struct active_device *ad, int socket_id, enum rte_bbdev_op_type org_op_type, uint16_t num_ops) { struct rte_mempool *mp; unsigned int ops_pool_size, mbuf_pool_size = 0; char pool_name[RTE_MEMPOOL_NAMESIZE]; const char *op_type_str; enum rte_bbdev_op_type op_type = org_op_type; struct op_data_entries *in = &test_vector.entries[DATA_INPUT]; struct op_data_entries *hard_out = &test_vector.entries[DATA_HARD_OUTPUT]; struct op_data_entries *soft_out = &test_vector.entries[DATA_SOFT_OUTPUT]; struct op_data_entries *harq_in = &test_vector.entries[DATA_HARQ_INPUT]; struct op_data_entries *harq_out = &test_vector.entries[DATA_HARQ_OUTPUT]; /* allocate ops mempool */ 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)); if (org_op_type == RTE_BBDEV_OP_NONE) op_type = RTE_BBDEV_OP_TURBO_ENC; op_type_str = rte_bbdev_op_type_str(op_type); TEST_ASSERT_NOT_NULL(op_type_str, "Invalid op type: %u", op_type); snprintf(pool_name, sizeof(pool_name), "%s_pool_%u", op_type_str, ad->dev_id); mp = rte_bbdev_op_pool_create(pool_name, op_type, ops_pool_size, OPS_CACHE_SIZE, socket_id); TEST_ASSERT_NOT_NULL(mp, "ERROR Failed to create %u items ops pool for dev %u on socket %u.", ops_pool_size, ad->dev_id, socket_id); ad->ops_mempool = mp; /* Do not create inputs and outputs mbufs for BaseBand Null Device */ if (org_op_type == RTE_BBDEV_OP_NONE) return TEST_SUCCESS; /* Inputs */ if (in->nb_segments > 0) { mbuf_pool_size = optimal_mempool_size(ops_pool_size * in->nb_segments); mp = create_mbuf_pool(in, ad->dev_id, socket_id, mbuf_pool_size, "in"); TEST_ASSERT_NOT_NULL(mp, "ERROR Failed to create %u items input pktmbuf pool for dev %u on socket %u.", mbuf_pool_size, ad->dev_id, socket_id); ad->in_mbuf_pool = mp; } /* Hard outputs */ if (hard_out->nb_segments > 0) { mbuf_pool_size = optimal_mempool_size(ops_pool_size * hard_out->nb_segments); mp = create_mbuf_pool(hard_out, ad->dev_id, socket_id, mbuf_pool_size, "hard_out"); TEST_ASSERT_NOT_NULL(mp, "ERROR Failed to create %u items hard output pktmbuf pool for dev %u on socket %u.", mbuf_pool_size, ad->dev_id, socket_id); ad->hard_out_mbuf_pool = mp; } /* Soft outputs */ if (soft_out->nb_segments > 0) { mbuf_pool_size = optimal_mempool_size(ops_pool_size * soft_out->nb_segments); mp = create_mbuf_pool(soft_out, ad->dev_id, socket_id, mbuf_pool_size, "soft_out"); TEST_ASSERT_NOT_NULL(mp, "ERROR Failed to create %uB soft output pktmbuf pool for dev %u on socket %u.", mbuf_pool_size, ad->dev_id, socket_id); ad->soft_out_mbuf_pool = mp; } /* HARQ inputs */ if (harq_in->nb_segments > 0) { mbuf_pool_size = optimal_mempool_size(ops_pool_size * harq_in->nb_segments); mp = create_mbuf_pool(harq_in, ad->dev_id, socket_id, mbuf_pool_size, "harq_in"); TEST_ASSERT_NOT_NULL(mp, "ERROR Failed to create %uB harq input pktmbuf pool for dev %u on socket %u.", mbuf_pool_size, ad->dev_id, socket_id); ad->harq_in_mbuf_pool = mp; } /* HARQ outputs */ if (harq_out->nb_segments > 0) { mbuf_pool_size = optimal_mempool_size(ops_pool_size * harq_out->nb_segments); mp = create_mbuf_pool(harq_out, ad->dev_id, socket_id, mbuf_pool_size, "harq_out"); TEST_ASSERT_NOT_NULL(mp, "ERROR Failed to create %uB harq output pktmbuf pool for dev %u on socket %u.", mbuf_pool_size, ad->dev_id, socket_id); ad->harq_out_mbuf_pool = mp; } return TEST_SUCCESS; } static int add_bbdev_dev(uint8_t dev_id, struct rte_bbdev_info *info, struct test_bbdev_vector *vector) { int ret; unsigned int queue_id; struct rte_bbdev_queue_conf qconf; struct active_device *ad = &active_devs[nb_active_devs]; unsigned int nb_queues; enum rte_bbdev_op_type op_type = vector->op_type; /* Configure fpga lte fec with PF & VF values * if '-i' flag is set and using fpga device */ #ifdef RTE_LIBRTE_PMD_BBDEV_FPGA_LTE_FEC if ((get_init_device() == true) && (!strcmp(info->drv.driver_name, FPGA_LTE_PF_DRIVER_NAME))) { struct fpga_lte_fec_conf conf; unsigned int i; printf("Configure FPGA LTE FEC Driver %s with default values\n", info->drv.driver_name); /* clear default configuration before initialization */ memset(&conf, 0, sizeof(struct fpga_lte_fec_conf)); /* Set PF mode : * true if PF is used for data plane * false for VFs */ conf.pf_mode_en = true; for (i = 0; i < FPGA_LTE_FEC_NUM_VFS; ++i) { /* Number of UL queues per VF (fpga supports 8 VFs) */ conf.vf_ul_queues_number[i] = VF_UL_4G_QUEUE_VALUE; /* Number of DL queues per VF (fpga supports 8 VFs) */ conf.vf_dl_queues_number[i] = VF_DL_4G_QUEUE_VALUE; } /* UL bandwidth. Needed for schedule algorithm */ conf.ul_bandwidth = UL_4G_BANDWIDTH; /* DL bandwidth */ conf.dl_bandwidth = DL_4G_BANDWIDTH; /* UL & DL load Balance Factor to 64 */ conf.ul_load_balance = UL_4G_LOAD_BALANCE; conf.dl_load_balance = DL_4G_LOAD_BALANCE; /**< FLR timeout value */ conf.flr_time_out = FLR_4G_TIMEOUT; /* setup FPGA PF with configuration information */ ret = fpga_lte_fec_configure(info->dev_name, &conf); TEST_ASSERT_SUCCESS(ret, "Failed to configure 4G FPGA PF for bbdev %s", info->dev_name); } #endif #ifdef RTE_LIBRTE_PMD_BBDEV_FPGA_5GNR_FEC if ((get_init_device() == true) && (!strcmp(info->drv.driver_name, FPGA_5GNR_PF_DRIVER_NAME))) { struct fpga_5gnr_fec_conf conf; unsigned int i; printf("Configure FPGA 5GNR FEC Driver %s with default values\n", info->drv.driver_name); /* clear default configuration before initialization */ memset(&conf, 0, sizeof(struct fpga_5gnr_fec_conf)); /* Set PF mode : * true if PF is used for data plane * false for VFs */ conf.pf_mode_en = true; for (i = 0; i < FPGA_5GNR_FEC_NUM_VFS; ++i) { /* Number of UL queues per VF (fpga supports 8 VFs) */ conf.vf_ul_queues_number[i] = VF_UL_5G_QUEUE_VALUE; /* Number of DL queues per VF (fpga supports 8 VFs) */ conf.vf_dl_queues_number[i] = VF_DL_5G_QUEUE_VALUE; } /* UL bandwidth. Needed for schedule algorithm */ conf.ul_bandwidth = UL_5G_BANDWIDTH; /* DL bandwidth */ conf.dl_bandwidth = DL_5G_BANDWIDTH; /* UL & DL load Balance Factor to 64 */ conf.ul_load_balance = UL_5G_LOAD_BALANCE; conf.dl_load_balance = DL_5G_LOAD_BALANCE; /**< FLR timeout value */ conf.flr_time_out = FLR_5G_TIMEOUT; /* setup FPGA PF with configuration information */ ret = fpga_5gnr_fec_configure(info->dev_name, &conf); TEST_ASSERT_SUCCESS(ret, "Failed to configure 5G FPGA PF for bbdev %s", info->dev_name); } #endif nb_queues = RTE_MIN(rte_lcore_count(), info->drv.max_num_queues); nb_queues = RTE_MIN(nb_queues, (unsigned int) MAX_QUEUES); /* 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; } /* configure interrupts if needed */ if (intr_enabled) { ret = rte_bbdev_intr_enable(dev_id); if (ret < 0) { printf("rte_bbdev_intr_enable(%u) ret %i\n", dev_id, ret); return TEST_FAILED; } } /* setup device queues */ qconf.socket = info->socket_id; qconf.queue_size = info->drv.default_queue_conf.queue_size; qconf.priority = 0; qconf.deferred_start = 0; qconf.op_type = op_type; for (queue_id = 0; queue_id < nb_queues; ++queue_id) { ret = rte_bbdev_queue_configure(dev_id, queue_id, &qconf); if (ret != 0) { printf( "Allocated all queues (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); } if (ret != 0) { printf("All queues on dev %u allocated: %u\n", dev_id, queue_id); break; } ad->queue_ids[queue_id] = queue_id; } TEST_ASSERT(queue_id != 0, "ERROR Failed to configure any queues on dev %u", dev_id); ad->nb_queues = queue_id; set_avail_op(ad, op_type); return TEST_SUCCESS; } static int add_active_device(uint8_t dev_id, struct rte_bbdev_info *info, struct test_bbdev_vector *vector) { int ret; active_devs[nb_active_devs].driver_name = info->drv.driver_name; active_devs[nb_active_devs].dev_id = dev_id; ret = add_bbdev_dev(dev_id, info, vector); if (ret == TEST_SUCCESS) ++nb_active_devs; return ret; } static uint8_t populate_active_devices(void) { int ret; uint8_t dev_id; uint8_t nb_devs_added = 0; struct rte_bbdev_info info; RTE_BBDEV_FOREACH(dev_id) { rte_bbdev_info_get(dev_id, &info); if (check_dev_cap(&info)) { printf( "Device %d (%s) does not support specified capabilities\n", dev_id, info.dev_name); continue; } ret = add_active_device(dev_id, &info, &test_vector); if (ret != 0) { printf("Adding active bbdev %s skipped\n", info.dev_name); continue; } nb_devs_added++; } return nb_devs_added; } static int read_test_vector(void) { int ret; memset(&test_vector, 0, sizeof(test_vector)); printf("Test vector file = %s\n", get_vector_filename()); ret = test_bbdev_vector_read(get_vector_filename(), &test_vector); TEST_ASSERT_SUCCESS(ret, "Failed to parse file %s\n", get_vector_filename()); return TEST_SUCCESS; } static int testsuite_setup(void) { TEST_ASSERT_SUCCESS(read_test_vector(), "Test suite setup failed\n"); if (populate_active_devices() == 0) { printf("No suitable devices found!\n"); return TEST_SKIPPED; } return TEST_SUCCESS; } static int interrupt_testsuite_setup(void) { TEST_ASSERT_SUCCESS(read_test_vector(), "Test suite setup failed\n"); /* Enable interrupts */ intr_enabled = true; /* Special case for NULL device (RTE_BBDEV_OP_NONE) */ if (populate_active_devices() == 0 || test_vector.op_type == RTE_BBDEV_OP_NONE) { intr_enabled = false; printf("No suitable devices found!\n"); return TEST_SKIPPED; } return TEST_SUCCESS; } static void testsuite_teardown(void) { uint8_t dev_id; /* Unconfigure devices */ RTE_BBDEV_FOREACH(dev_id) rte_bbdev_close(dev_id); /* Clear active devices structs. */ memset(active_devs, 0, sizeof(active_devs)); nb_active_devs = 0; /* Disable interrupts */ intr_enabled = false; } static int ut_setup(void) { uint8_t i, dev_id; for (i = 0; i < nb_active_devs; i++) { dev_id = active_devs[i].dev_id; /* reset bbdev stats */ TEST_ASSERT_SUCCESS(rte_bbdev_stats_reset(dev_id), "Failed to reset stats of bbdev %u", dev_id); /* start the device */ TEST_ASSERT_SUCCESS(rte_bbdev_start(dev_id), "Failed to start bbdev %u", dev_id); } return TEST_SUCCESS; } static void ut_teardown(void) { uint8_t i, dev_id; struct rte_bbdev_stats stats; for (i = 0; i < nb_active_devs; i++) { dev_id = active_devs[i].dev_id; /* read stats and print */ rte_bbdev_stats_get(dev_id, &stats); /* Stop the device */ rte_bbdev_stop(dev_id); } } static int init_op_data_objs(struct rte_bbdev_op_data *bufs, struct op_data_entries *ref_entries, 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; for (i = 0; i < n; ++i) { char *data; struct op_data_buf *seg = &ref_entries->segments[0]; struct rte_mbuf *m_head = rte_pktmbuf_alloc(mbuf_pool); TEST_ASSERT_NOT_NULL(m_head, "Not enough mbufs in %d data type mbuf pool (needed %u, available %u)", op_type, n * ref_entries->nb_segments, mbuf_pool->size); if (seg->length > 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 %d\n", seg->length); 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, seg->length, 0); memcpy(data, seg->addr, seg->length); m_head->buf_addr = data; m_head->buf_iova = rte_malloc_virt2iova(data); m_head->data_off = 0; m_head->data_len = seg->length; } else { data = rte_pktmbuf_append(m_head, seg->length); TEST_ASSERT_NOT_NULL(data, "Couldn't append %u bytes to mbuf from %d data type mbuf pool", seg->length, 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, seg->addr, seg->length); } bufs[i].length += seg->length; for (j = 1; j < ref_entries->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 * ref_entries->nb_segments, mbuf_pool->size); seg += 1; data = rte_pktmbuf_append(m_tail, seg->length); TEST_ASSERT_NOT_NULL(data, "Couldn't append %u bytes to mbuf from %d data type mbuf pool", seg->length, 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, seg->addr, seg->length); bufs[i].length += seg->length; 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 < ref_entries->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 * ref_entries->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; } 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; } static void limit_input_llr_val_range(struct rte_bbdev_op_data *input_ops, const uint16_t n, const int8_t max_llr_modulus) { uint16_t i, byte_idx; for (i = 0; i < n; ++i) { struct rte_mbuf *m = input_ops[i].data; while (m != NULL) { int8_t *llr = rte_pktmbuf_mtod_offset(m, int8_t *, input_ops[i].offset); for (byte_idx = 0; byte_idx < rte_pktmbuf_data_len(m); ++byte_idx) llr[byte_idx] = round((double)max_llr_modulus * llr[byte_idx] / INT8_MAX); m = m->next; } } } /* * We may have to insert filler bits * when they are required by the HARQ assumption */ static void ldpc_add_filler(struct rte_bbdev_op_data *input_ops, const uint16_t n, struct test_op_params *op_params) { struct rte_bbdev_op_ldpc_dec dec = op_params->ref_dec_op->ldpc_dec; if (input_ops == NULL) return; /* No need to add filler if not required by device */ if (!(ldpc_cap_flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_FILLERS)) return; /* No need to add filler for loopback operation */ if (dec.op_flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK) return; uint16_t i, j, parity_offset; for (i = 0; i < n; ++i) { struct rte_mbuf *m = input_ops[i].data; int8_t *llr = rte_pktmbuf_mtod_offset(m, int8_t *, input_ops[i].offset); parity_offset = (dec.basegraph == 1 ? 20 : 8) * dec.z_c - dec.n_filler; uint16_t new_hin_size = input_ops[i].length + dec.n_filler; m->data_len = new_hin_size; input_ops[i].length = new_hin_size; for (j = new_hin_size - 1; j >= parity_offset + dec.n_filler; j--) llr[j] = llr[j - dec.n_filler]; uint16_t llr_max_pre_scaling = (1 << (ldpc_llr_size - 1)) - 1; for (j = 0; j < dec.n_filler; j++) llr[parity_offset + j] = llr_max_pre_scaling; } } static void ldpc_input_llr_scaling(struct rte_bbdev_op_data *input_ops, const uint16_t n, const int8_t llr_size, const int8_t llr_decimals) { if (input_ops == NULL) return; uint16_t i, byte_idx; int16_t llr_max, llr_min, llr_tmp; llr_max = (1 << (llr_size - 1)) - 1; llr_min = -llr_max; for (i = 0; i < n; ++i) { struct rte_mbuf *m = input_ops[i].data; while (m != NULL) { int8_t *llr = rte_pktmbuf_mtod_offset(m, int8_t *, input_ops[i].offset); for (byte_idx = 0; byte_idx < rte_pktmbuf_data_len(m); ++byte_idx) { llr_tmp = llr[byte_idx]; if (llr_decimals == 4) llr_tmp *= 8; else if (llr_decimals == 2) llr_tmp *= 2; else if (llr_decimals == 0) llr_tmp /= 2; llr_tmp = RTE_MIN(llr_max, RTE_MAX(llr_min, llr_tmp)); llr[byte_idx] = (int8_t) llr_tmp; } m = m->next; } } } static int fill_queue_buffers(struct test_op_params *op_params, struct rte_mempool *in_mp, struct rte_mempool *hard_out_mp, struct rte_mempool *soft_out_mp, struct rte_mempool *harq_in_mp, struct rte_mempool *harq_out_mp, uint16_t queue_id, const struct rte_bbdev_op_cap *capabilities, uint16_t min_alignment, const int socket_id) { int ret; enum op_data_type type; const uint16_t n = op_params->num_to_process; struct rte_mempool *mbuf_pools[DATA_NUM_TYPES] = { in_mp, soft_out_mp, hard_out_mp, harq_in_mp, harq_out_mp, }; 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 (type = DATA_INPUT; type < DATA_NUM_TYPES; ++type) { struct op_data_entries *ref_entries = &test_vector.entries[type]; if (ref_entries->nb_segments == 0) continue; 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"); ret = init_op_data_objs(*queue_ops[type], ref_entries, mbuf_pools[type], n, type, min_alignment); TEST_ASSERT_SUCCESS(ret, "Couldn't init rte_bbdev_op_data structs"); } if (test_vector.op_type == RTE_BBDEV_OP_TURBO_DEC) limit_input_llr_val_range(*queue_ops[DATA_INPUT], n, capabilities->cap.turbo_dec.max_llr_modulus); if (test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC) { bool loopback = op_params->ref_dec_op->ldpc_dec.op_flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK; bool llr_comp = op_params->ref_dec_op->ldpc_dec.op_flags & RTE_BBDEV_LDPC_LLR_COMPRESSION; bool harq_comp = op_params->ref_dec_op->ldpc_dec.op_flags & RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION; ldpc_llr_decimals = capabilities->cap.ldpc_dec.llr_decimals; ldpc_llr_size = capabilities->cap.ldpc_dec.llr_size; ldpc_cap_flags = capabilities->cap.ldpc_dec.capability_flags; if (!loopback && !llr_comp) ldpc_input_llr_scaling(*queue_ops[DATA_INPUT], n, ldpc_llr_size, ldpc_llr_decimals); if (!loopback && !harq_comp) ldpc_input_llr_scaling(*queue_ops[DATA_HARQ_INPUT], n, ldpc_llr_size, ldpc_llr_decimals); if (!loopback) ldpc_add_filler(*queue_ops[DATA_HARQ_INPUT], n, op_params); } return 0; } static void free_buffers(struct active_device *ad, struct test_op_params *op_params) { unsigned int i, j; rte_mempool_free(ad->ops_mempool); 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 (i = 0; i < rte_lcore_count(); ++i) { for (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); } } } static void copy_reference_dec_op(struct rte_bbdev_dec_op **ops, unsigned int n, unsigned int start_idx, struct rte_bbdev_op_data *inputs, struct rte_bbdev_op_data *hard_outputs, struct rte_bbdev_op_data *soft_outputs, struct rte_bbdev_dec_op *ref_op) { unsigned int i; struct rte_bbdev_op_turbo_dec *turbo_dec = &ref_op->turbo_dec; for (i = 0; i < n; ++i) { if (turbo_dec->code_block_mode == 0) { ops[i]->turbo_dec.tb_params.ea = turbo_dec->tb_params.ea; ops[i]->turbo_dec.tb_params.eb = turbo_dec->tb_params.eb; ops[i]->turbo_dec.tb_params.k_pos = turbo_dec->tb_params.k_pos; ops[i]->turbo_dec.tb_params.k_neg = turbo_dec->tb_params.k_neg; ops[i]->turbo_dec.tb_params.c = turbo_dec->tb_params.c; ops[i]->turbo_dec.tb_params.c_neg = turbo_dec->tb_params.c_neg; ops[i]->turbo_dec.tb_params.cab = turbo_dec->tb_params.cab; ops[i]->turbo_dec.tb_params.r = turbo_dec->tb_params.r; } else { ops[i]->turbo_dec.cb_params.e = turbo_dec->cb_params.e; ops[i]->turbo_dec.cb_params.k = turbo_dec->cb_params.k; } ops[i]->turbo_dec.ext_scale = turbo_dec->ext_scale; ops[i]->turbo_dec.iter_max = turbo_dec->iter_max; ops[i]->turbo_dec.iter_min = turbo_dec->iter_min; ops[i]->turbo_dec.op_flags = turbo_dec->op_flags; ops[i]->turbo_dec.rv_index = turbo_dec->rv_index; ops[i]->turbo_dec.num_maps = turbo_dec->num_maps; ops[i]->turbo_dec.code_block_mode = turbo_dec->code_block_mode; ops[i]->turbo_dec.hard_output = hard_outputs[start_idx + i]; ops[i]->turbo_dec.input = inputs[start_idx + i]; if (soft_outputs != NULL) ops[i]->turbo_dec.soft_output = soft_outputs[start_idx + i]; } } static void copy_reference_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) { unsigned int i; struct rte_bbdev_op_turbo_enc *turbo_enc = &ref_op->turbo_enc; for (i = 0; i < n; ++i) { if (turbo_enc->code_block_mode == 0) { ops[i]->turbo_enc.tb_params.ea = turbo_enc->tb_params.ea; ops[i]->turbo_enc.tb_params.eb = turbo_enc->tb_params.eb; ops[i]->turbo_enc.tb_params.k_pos = turbo_enc->tb_params.k_pos; ops[i]->turbo_enc.tb_params.k_neg = turbo_enc->tb_params.k_neg; ops[i]->turbo_enc.tb_params.c = turbo_enc->tb_params.c; ops[i]->turbo_enc.tb_params.c_neg = turbo_enc->tb_params.c_neg; ops[i]->turbo_enc.tb_params.cab = turbo_enc->tb_params.cab; ops[i]->turbo_enc.tb_params.ncb_pos = turbo_enc->tb_params.ncb_pos; ops[i]->turbo_enc.tb_params.ncb_neg = turbo_enc->tb_params.ncb_neg; ops[i]->turbo_enc.tb_params.r = turbo_enc->tb_params.r; } else { ops[i]->turbo_enc.cb_params.e = turbo_enc->cb_params.e; ops[i]->turbo_enc.cb_params.k = turbo_enc->cb_params.k; ops[i]->turbo_enc.cb_params.ncb = turbo_enc->cb_params.ncb; } ops[i]->turbo_enc.rv_index = turbo_enc->rv_index; ops[i]->turbo_enc.op_flags = turbo_enc->op_flags; ops[i]->turbo_enc.code_block_mode = turbo_enc->code_block_mode; ops[i]->turbo_enc.output = outputs[start_idx + i]; ops[i]->turbo_enc.input = inputs[start_idx + i]; } } /* Returns a random number drawn from a normal distribution * with mean of 0 and variance of 1 * Marsaglia algorithm */ static double randn(int n) { double S, Z, U1, U2, u, v, fac; do { U1 = (double)rand() / RAND_MAX; U2 = (double)rand() / RAND_MAX; u = 2. * U1 - 1.; v = 2. * U2 - 1.; S = u * u + v * v; } while (S >= 1 || S == 0); fac = sqrt(-2. * log(S) / S); Z = (n % 2) ? u * fac : v * fac; return Z; } static inline double maxstar(double A, double B) { if (fabs(A - B) > 5) return RTE_MAX(A, B); else return RTE_MAX(A, B) + log1p(exp(-fabs(A - B))); } /* * Generate Qm LLRS for Qm==8 * Modulation, AWGN and LLR estimation from max log development */ static void gen_qm8_llr(int8_t *llrs, uint32_t i, double N0, double llr_max) { int qm = 8; int qam = 256; int m, k; double I, Q, p0, p1, llr_, b[qm], log_syml_prob[qam]; /* 5.1.4 of TS38.211 */ const double symbols_I[256] = { 5, 5, 7, 7, 5, 5, 7, 7, 3, 3, 1, 1, 3, 3, 1, 1, 5, 5, 7, 7, 5, 5, 7, 7, 3, 3, 1, 1, 3, 3, 1, 1, 11, 11, 9, 9, 11, 11, 9, 9, 13, 13, 15, 15, 13, 13, 15, 15, 11, 11, 9, 9, 11, 11, 9, 9, 13, 13, 15, 15, 13, 13, 15, 15, 5, 5, 7, 7, 5, 5, 7, 7, 3, 3, 1, 1, 3, 3, 1, 1, 5, 5, 7, 7, 5, 5, 7, 7, 3, 3, 1, 1, 3, 3, 1, 1, 11, 11, 9, 9, 11, 11, 9, 9, 13, 13, 15, 15, 13, 13, 15, 15, 11, 11, 9, 9, 11, 11, 9, 9, 13, 13, 15, 15, 13, 13, 15, 15, -5, -5, -7, -7, -5, -5, -7, -7, -3, -3, -1, -1, -3, -3, -1, -1, -5, -5, -7, -7, -5, -5, -7, -7, -3, -3, -1, -1, -3, -3, -1, -1, -11, -11, -9, -9, -11, -11, -9, -9, -13, -13, -15, -15, -13, -13, -15, -15, -11, -11, -9, -9, -11, -11, -9, -9, -13, -13, -15, -15, -13, -13, -15, -15, -5, -5, -7, -7, -5, -5, -7, -7, -3, -3, -1, -1, -3, -3, -1, -1, -5, -5, -7, -7, -5, -5, -7, -7, -3, -3, -1, -1, -3, -3, -1, -1, -11, -11, -9, -9, -11, -11, -9, -9, -13, -13, -15, -15, -13, -13, -15, -15, -11, -11, -9, -9, -11, -11, -9, -9, -13, -13, -15, -15, -13, -13, -15, -15}; const double symbols_Q[256] = { 5, 7, 5, 7, 3, 1, 3, 1, 5, 7, 5, 7, 3, 1, 3, 1, 11, 9, 11, 9, 13, 15, 13, 15, 11, 9, 11, 9, 13, 15, 13, 15, 5, 7, 5, 7, 3, 1, 3, 1, 5, 7, 5, 7, 3, 1, 3, 1, 11, 9, 11, 9, 13, 15, 13, 15, 11, 9, 11, 9, 13, 15, 13, 15, -5, -7, -5, -7, -3, -1, -3, -1, -5, -7, -5, -7, -3, -1, -3, -1, -11, -9, -11, -9, -13, -15, -13, -15, -11, -9, -11, -9, -13, -15, -13, -15, -5, -7, -5, -7, -3, -1, -3, -1, -5, -7, -5, -7, -3, -1, -3, -1, -11, -9, -11, -9, -13, -15, -13, -15, -11, -9, -11, -9, -13, -15, -13, -15, 5, 7, 5, 7, 3, 1, 3, 1, 5, 7, 5, 7, 3, 1, 3, 1, 11, 9, 11, 9, 13, 15, 13, 15, 11, 9, 11, 9, 13, 15, 13, 15, 5, 7, 5, 7, 3, 1, 3, 1, 5, 7, 5, 7, 3, 1, 3, 1, 11, 9, 11, 9, 13, 15, 13, 15, 11, 9, 11, 9, 13, 15, 13, 15, -5, -7, -5, -7, -3, -1, -3, -1, -5, -7, -5, -7, -3, -1, -3, -1, -11, -9, -11, -9, -13, -15, -13, -15, -11, -9, -11, -9, -13, -15, -13, -15, -5, -7, -5, -7, -3, -1, -3, -1, -5, -7, -5, -7, -3, -1, -3, -1, -11, -9, -11, -9, -13, -15, -13, -15, -11, -9, -11, -9, -13, -15, -13, -15}; /* Average constellation point energy */ N0 *= 170.0; for (k = 0; k < qm; k++) b[k] = llrs[qm * i + k] < 0 ? 1.0 : 0.0; /* 5.1.4 of TS38.211 */ I = (1 - 2 * b[0]) * (8 - (1 - 2 * b[2]) * (4 - (1 - 2 * b[4]) * (2 - (1 - 2 * b[6])))); Q = (1 - 2 * b[1]) * (8 - (1 - 2 * b[3]) * (4 - (1 - 2 * b[5]) * (2 - (1 - 2 * b[7])))); /* AWGN channel */ I += sqrt(N0 / 2) * randn(0); Q += sqrt(N0 / 2) * randn(1); /* * Calculate the log of the probability that each of * the constellation points was transmitted */ for (m = 0; m < qam; m++) log_syml_prob[m] = -(pow(I - symbols_I[m], 2.0) + pow(Q - symbols_Q[m], 2.0)) / N0; /* Calculate an LLR for each of the k_64QAM bits in the set */ for (k = 0; k < qm; k++) { p0 = -999999; p1 = -999999; /* For each constellation point */ for (m = 0; m < qam; m++) { if ((m >> (qm - k - 1)) & 1) p1 = maxstar(p1, log_syml_prob[m]); else p0 = maxstar(p0, log_syml_prob[m]); } /* Calculate the LLR */ llr_ = p0 - p1; llr_ *= (1 << ldpc_llr_decimals); llr_ = round(llr_); if (llr_ > llr_max) llr_ = llr_max; if (llr_ < -llr_max) llr_ = -llr_max; llrs[qm * i + k] = (int8_t) llr_; } } /* * Generate Qm LLRS for Qm==6 * Modulation, AWGN and LLR estimation from max log development */ static void gen_qm6_llr(int8_t *llrs, uint32_t i, double N0, double llr_max) { int qm = 6; int qam = 64; int m, k; double I, Q, p0, p1, llr_, b[qm], log_syml_prob[qam]; /* 5.1.4 of TS38.211 */ const double symbols_I[64] = { 3, 3, 1, 1, 3, 3, 1, 1, 5, 5, 7, 7, 5, 5, 7, 7, 3, 3, 1, 1, 3, 3, 1, 1, 5, 5, 7, 7, 5, 5, 7, 7, -3, -3, -1, -1, -3, -3, -1, -1, -5, -5, -7, -7, -5, -5, -7, -7, -3, -3, -1, -1, -3, -3, -1, -1, -5, -5, -7, -7, -5, -5, -7, -7}; const double symbols_Q[64] = { 3, 1, 3, 1, 5, 7, 5, 7, 3, 1, 3, 1, 5, 7, 5, 7, -3, -1, -3, -1, -5, -7, -5, -7, -3, -1, -3, -1, -5, -7, -5, -7, 3, 1, 3, 1, 5, 7, 5, 7, 3, 1, 3, 1, 5, 7, 5, 7, -3, -1, -3, -1, -5, -7, -5, -7, -3, -1, -3, -1, -5, -7, -5, -7}; /* Average constellation point energy */ N0 *= 42.0; for (k = 0; k < qm; k++) b[k] = llrs[qm * i + k] < 0 ? 1.0 : 0.0; /* 5.1.4 of TS38.211 */ I = (1 - 2 * b[0])*(4 - (1 - 2 * b[2]) * (2 - (1 - 2 * b[4]))); Q = (1 - 2 * b[1])*(4 - (1 - 2 * b[3]) * (2 - (1 - 2 * b[5]))); /* AWGN channel */ I += sqrt(N0 / 2) * randn(0); Q += sqrt(N0 / 2) * randn(1); /* * Calculate the log of the probability that each of * the constellation points was transmitted */ for (m = 0; m < qam; m++) log_syml_prob[m] = -(pow(I - symbols_I[m], 2.0) + pow(Q - symbols_Q[m], 2.0)) / N0; /* Calculate an LLR for each of the k_64QAM bits in the set */ for (k = 0; k < qm; k++) { p0 = -999999; p1 = -999999; /* For each constellation point */ for (m = 0; m < qam; m++) { if ((m >> (qm - k - 1)) & 1) p1 = maxstar(p1, log_syml_prob[m]); else p0 = maxstar(p0, log_syml_prob[m]); } /* Calculate the LLR */ llr_ = p0 - p1; llr_ *= (1 << ldpc_llr_decimals); llr_ = round(llr_); if (llr_ > llr_max) llr_ = llr_max; if (llr_ < -llr_max) llr_ = -llr_max; llrs[qm * i + k] = (int8_t) llr_; } } /* * Generate Qm LLRS for Qm==4 * Modulation, AWGN and LLR estimation from max log development */ static void gen_qm4_llr(int8_t *llrs, uint32_t i, double N0, double llr_max) { int qm = 4; int qam = 16; int m, k; double I, Q, p0, p1, llr_, b[qm], log_syml_prob[qam]; /* 5.1.4 of TS38.211 */ const double symbols_I[16] = {1, 1, 3, 3, 1, 1, 3, 3, -1, -1, -3, -3, -1, -1, -3, -3}; const double symbols_Q[16] = {1, 3, 1, 3, -1, -3, -1, -3, 1, 3, 1, 3, -1, -3, -1, -3}; /* Average constellation point energy */ N0 *= 10.0; for (k = 0; k < qm; k++) b[k] = llrs[qm * i + k] < 0 ? 1.0 : 0.0; /* 5.1.4 of TS38.211 */ I = (1 - 2 * b[0]) * (2 - (1 - 2 * b[2])); Q = (1 - 2 * b[1]) * (2 - (1 - 2 * b[3])); /* AWGN channel */ I += sqrt(N0 / 2) * randn(0); Q += sqrt(N0 / 2) * randn(1); /* * Calculate the log of the probability that each of * the constellation points was transmitted */ for (m = 0; m < qam; m++) log_syml_prob[m] = -(pow(I - symbols_I[m], 2.0) + pow(Q - symbols_Q[m], 2.0)) / N0; /* Calculate an LLR for each of the k_64QAM bits in the set */ for (k = 0; k < qm; k++) { p0 = -999999; p1 = -999999; /* For each constellation point */ for (m = 0; m < qam; m++) { if ((m >> (qm - k - 1)) & 1) p1 = maxstar(p1, log_syml_prob[m]); else p0 = maxstar(p0, log_syml_prob[m]); } /* Calculate the LLR */ llr_ = p0 - p1; llr_ *= (1 << ldpc_llr_decimals); llr_ = round(llr_); if (llr_ > llr_max) llr_ = llr_max; if (llr_ < -llr_max) llr_ = -llr_max; llrs[qm * i + k] = (int8_t) llr_; } } static void gen_qm2_llr(int8_t *llrs, uint32_t j, double N0, double llr_max) { double b, b1, n; double coeff = 2.0 * sqrt(N0); /* Ignore in vectors rare quasi null LLRs not to be saturated */ if (llrs[j] < 8 && llrs[j] > -8) return; /* Note don't change sign here */ n = randn(j % 2); b1 = ((llrs[j] > 0 ? 2.0 : -2.0) + coeff * n) / N0; b = b1 * (1 << ldpc_llr_decimals); b = round(b); if (b > llr_max) b = llr_max; if (b < -llr_max) b = -llr_max; llrs[j] = (int8_t) b; } /* Generate LLR for a given SNR */ static void generate_llr_input(uint16_t n, struct rte_bbdev_op_data *inputs, struct rte_bbdev_dec_op *ref_op) { struct rte_mbuf *m; uint16_t qm; uint32_t i, j, e, range; double N0, llr_max; e = ref_op->ldpc_dec.cb_params.e; qm = ref_op->ldpc_dec.q_m; llr_max = (1 << (ldpc_llr_size - 1)) - 1; range = e / qm; N0 = 1.0 / pow(10.0, get_snr() / 10.0); for (i = 0; i < n; ++i) { m = inputs[i].data; int8_t *llrs = rte_pktmbuf_mtod_offset(m, int8_t *, 0); if (qm == 8) { for (j = 0; j < range; ++j) gen_qm8_llr(llrs, j, N0, llr_max); } else if (qm == 6) { for (j = 0; j < range; ++j) gen_qm6_llr(llrs, j, N0, llr_max); } else if (qm == 4) { for (j = 0; j < range; ++j) gen_qm4_llr(llrs, j, N0, llr_max); } else { for (j = 0; j < e; ++j) gen_qm2_llr(llrs, j, N0, llr_max); } } } static void copy_reference_ldpc_dec_op(struct rte_bbdev_dec_op **ops, unsigned int n, unsigned int start_idx, 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, struct rte_bbdev_dec_op *ref_op) { unsigned int i; struct rte_bbdev_op_ldpc_dec *ldpc_dec = &ref_op->ldpc_dec; for (i = 0; i < n; ++i) { if (ldpc_dec->code_block_mode == 0) { ops[i]->ldpc_dec.tb_params.ea = ldpc_dec->tb_params.ea; ops[i]->ldpc_dec.tb_params.eb = ldpc_dec->tb_params.eb; ops[i]->ldpc_dec.tb_params.c = ldpc_dec->tb_params.c; ops[i]->ldpc_dec.tb_params.cab = ldpc_dec->tb_params.cab; ops[i]->ldpc_dec.tb_params.r = ldpc_dec->tb_params.r; } else { ops[i]->ldpc_dec.cb_params.e = ldpc_dec->cb_params.e; } ops[i]->ldpc_dec.basegraph = ldpc_dec->basegraph; ops[i]->ldpc_dec.z_c = ldpc_dec->z_c; ops[i]->ldpc_dec.q_m = ldpc_dec->q_m; ops[i]->ldpc_dec.n_filler = ldpc_dec->n_filler; ops[i]->ldpc_dec.n_cb = ldpc_dec->n_cb; ops[i]->ldpc_dec.iter_max = ldpc_dec->iter_max; ops[i]->ldpc_dec.rv_index = ldpc_dec->rv_index; ops[i]->ldpc_dec.op_flags = ldpc_dec->op_flags; ops[i]->ldpc_dec.code_block_mode = ldpc_dec->code_block_mode; if (hard_outputs != NULL) ops[i]->ldpc_dec.hard_output = hard_outputs[start_idx + i]; if (inputs != NULL) ops[i]->ldpc_dec.input = inputs[start_idx + i]; if (soft_outputs != NULL) ops[i]->ldpc_dec.soft_output = soft_outputs[start_idx + i]; if (harq_inputs != NULL) ops[i]->ldpc_dec.harq_combined_input = harq_inputs[start_idx + i]; if (harq_outputs != NULL) ops[i]->ldpc_dec.harq_combined_output = harq_outputs[start_idx + i]; } } static void copy_reference_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) { unsigned int i; struct rte_bbdev_op_ldpc_enc *ldpc_enc = &ref_op->ldpc_enc; for (i = 0; i < n; ++i) { if (ldpc_enc->code_block_mode == 0) { ops[i]->ldpc_enc.tb_params.ea = ldpc_enc->tb_params.ea; ops[i]->ldpc_enc.tb_params.eb = ldpc_enc->tb_params.eb; ops[i]->ldpc_enc.tb_params.cab = ldpc_enc->tb_params.cab; ops[i]->ldpc_enc.tb_params.c = ldpc_enc->tb_params.c; ops[i]->ldpc_enc.tb_params.r = ldpc_enc->tb_params.r; } else { ops[i]->ldpc_enc.cb_params.e = ldpc_enc->cb_params.e; } ops[i]->ldpc_enc.basegraph = ldpc_enc->basegraph; ops[i]->ldpc_enc.z_c = ldpc_enc->z_c; ops[i]->ldpc_enc.q_m = ldpc_enc->q_m; ops[i]->ldpc_enc.n_filler = ldpc_enc->n_filler; ops[i]->ldpc_enc.n_cb = ldpc_enc->n_cb; ops[i]->ldpc_enc.rv_index = ldpc_enc->rv_index; ops[i]->ldpc_enc.op_flags = ldpc_enc->op_flags; ops[i]->ldpc_enc.code_block_mode = ldpc_enc->code_block_mode; ops[i]->ldpc_enc.output = outputs[start_idx + i]; ops[i]->ldpc_enc.input = inputs[start_idx + i]; } } static int check_dec_status_and_ordering(struct rte_bbdev_dec_op *op, unsigned int order_idx, const int expected_status) { int status = op->status; /* ignore parity mismatch false alarms for long iterations */ if (get_iter_max() >= 10) { if (!(expected_status & (1 << RTE_BBDEV_SYNDROME_ERROR)) && (status & (1 << RTE_BBDEV_SYNDROME_ERROR))) { printf("WARNING: Ignore Syndrome Check mismatch\n"); status -= (1 << RTE_BBDEV_SYNDROME_ERROR); } if ((expected_status & (1 << RTE_BBDEV_SYNDROME_ERROR)) && !(status & (1 << RTE_BBDEV_SYNDROME_ERROR))) { printf("WARNING: Ignore Syndrome Check mismatch\n"); status += (1 << RTE_BBDEV_SYNDROME_ERROR); } } TEST_ASSERT(status == expected_status, "op_status (%d) != expected_status (%d)", op->status, expected_status); TEST_ASSERT((void *)(uintptr_t)order_idx == op->opaque_data, "Ordering error, expected %p, got %p", (void *)(uintptr_t)order_idx, op->opaque_data); return TEST_SUCCESS; } static int check_enc_status_and_ordering(struct rte_bbdev_enc_op *op, unsigned int order_idx, const int expected_status) { TEST_ASSERT(op->status == expected_status, "op_status (%d) != expected_status (%d)", op->status, expected_status); if (op->opaque_data != (void *)(uintptr_t)INVALID_OPAQUE) TEST_ASSERT((void *)(uintptr_t)order_idx == op->opaque_data, "Ordering error, expected %p, got %p", (void *)(uintptr_t)order_idx, op->opaque_data); return TEST_SUCCESS; } static inline int validate_op_chain(struct rte_bbdev_op_data *op, struct op_data_entries *orig_op) { uint8_t i; struct rte_mbuf *m = op->data; uint8_t nb_dst_segments = orig_op->nb_segments; uint32_t total_data_size = 0; TEST_ASSERT(nb_dst_segments == m->nb_segs, "Number of segments differ in original (%u) and filled (%u) op", nb_dst_segments, m->nb_segs); /* Validate each mbuf segment length */ for (i = 0; i < nb_dst_segments; ++i) { /* Apply offset to the first mbuf segment */ uint16_t offset = (i == 0) ? op->offset : 0; uint16_t data_len = rte_pktmbuf_data_len(m) - offset; total_data_size += orig_op->segments[i].length; TEST_ASSERT(orig_op->segments[i].length == data_len, "Length of segment differ in original (%u) and filled (%u) op", orig_op->segments[i].length, data_len); TEST_ASSERT_BUFFERS_ARE_EQUAL(orig_op->segments[i].addr, rte_pktmbuf_mtod_offset(m, uint32_t *, offset), data_len, "Output buffers (CB=%u) are not equal", i); m = m->next; } /* Validate total mbuf pkt length */ uint32_t pkt_len = rte_pktmbuf_pkt_len(op->data) - op->offset; TEST_ASSERT(total_data_size == pkt_len, "Length of data differ in original (%u) and filled (%u) op", total_data_size, pkt_len); return TEST_SUCCESS; } /* * Compute K0 for a given configuration for HARQ output length computation * As per definition in 3GPP 38.212 Table 5.4.2.1-2 */ static inline uint16_t get_k0(uint16_t n_cb, uint16_t z_c, uint8_t bg, uint8_t rv_index) { if (rv_index == 0) return 0; uint16_t n = (bg == 1 ? N_ZC_1 : N_ZC_2) * z_c; if (n_cb == n) { if (rv_index == 1) return (bg == 1 ? K0_1_1 : K0_1_2) * z_c; else if (rv_index == 2) return (bg == 1 ? K0_2_1 : K0_2_2) * z_c; else return (bg == 1 ? K0_3_1 : K0_3_2) * z_c; } /* LBRM case - includes a division by N */ if (rv_index == 1) return (((bg == 1 ? K0_1_1 : K0_1_2) * n_cb) / n) * z_c; else if (rv_index == 2) return (((bg == 1 ? K0_2_1 : K0_2_2) * n_cb) / n) * z_c; else return (((bg == 1 ? K0_3_1 : K0_3_2) * n_cb) / n) * z_c; } /* HARQ output length including the Filler bits */ static inline uint16_t compute_harq_len(struct rte_bbdev_op_ldpc_dec *ops_ld) { uint16_t k0 = 0; uint8_t max_rv = (ops_ld->rv_index == 1) ? 3 : ops_ld->rv_index; k0 = get_k0(ops_ld->n_cb, ops_ld->z_c, ops_ld->basegraph, max_rv); /* Compute RM out size and number of rows */ uint16_t parity_offset = (ops_ld->basegraph == 1 ? 20 : 8) * ops_ld->z_c - ops_ld->n_filler; uint16_t deRmOutSize = RTE_MIN( k0 + ops_ld->cb_params.e + ((k0 > parity_offset) ? 0 : ops_ld->n_filler), ops_ld->n_cb); uint16_t numRows = ((deRmOutSize + ops_ld->z_c - 1) / ops_ld->z_c); uint16_t harq_output_len = numRows * ops_ld->z_c; return harq_output_len; } static inline int validate_op_harq_chain(struct rte_bbdev_op_data *op, struct op_data_entries *orig_op, struct rte_bbdev_op_ldpc_dec *ops_ld) { uint8_t i; uint32_t j, jj, k; struct rte_mbuf *m = op->data; uint8_t nb_dst_segments = orig_op->nb_segments; uint32_t total_data_size = 0; int8_t *harq_orig, *harq_out, abs_harq_origin; uint32_t byte_error = 0, cum_error = 0, error; int16_t llr_max = (1 << (ldpc_llr_size - ldpc_llr_decimals)) - 1; int16_t llr_max_pre_scaling = (1 << (ldpc_llr_size - 1)) - 1; uint16_t parity_offset; TEST_ASSERT(nb_dst_segments == m->nb_segs, "Number of segments differ in original (%u) and filled (%u) op", nb_dst_segments, m->nb_segs); /* Validate each mbuf segment length */ for (i = 0; i < nb_dst_segments; ++i) { /* Apply offset to the first mbuf segment */ uint16_t offset = (i == 0) ? op->offset : 0; uint16_t data_len = rte_pktmbuf_data_len(m) - offset; total_data_size += orig_op->segments[i].length; TEST_ASSERT(orig_op->segments[i].length < (uint32_t)(data_len + 64), "Length of segment differ in original (%u) and filled (%u) op", orig_op->segments[i].length, data_len); harq_orig = (int8_t *) orig_op->segments[i].addr; harq_out = rte_pktmbuf_mtod_offset(m, int8_t *, offset); if (!(ldpc_cap_flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_FILLERS ) || (ops_ld->op_flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK)) { data_len -= ops_ld->z_c; parity_offset = data_len; } else { /* Compute RM out size and number of rows */ parity_offset = (ops_ld->basegraph == 1 ? 20 : 8) * ops_ld->z_c - ops_ld->n_filler; uint16_t deRmOutSize = compute_harq_len(ops_ld) - ops_ld->n_filler; if (data_len > deRmOutSize) data_len = deRmOutSize; if (data_len > orig_op->segments[i].length) data_len = orig_op->segments[i].length; } /* * HARQ output can have minor differences * due to integer representation and related scaling */ for (j = 0, jj = 0; j < data_len; j++, jj++) { if (j == parity_offset) { /* Special Handling of the filler bits */ for (k = 0; k < ops_ld->n_filler; k++) { if (harq_out[jj] != llr_max_pre_scaling) { printf("HARQ Filler issue %d: %d %d\n", jj, harq_out[jj], llr_max); byte_error++; } jj++; } } if (!(ops_ld->op_flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK)) { if (ldpc_llr_decimals > 1) harq_out[jj] = (harq_out[jj] + 1) >> (ldpc_llr_decimals - 1); /* Saturated to S7 */ if (harq_orig[j] > llr_max) harq_orig[j] = llr_max; if (harq_orig[j] < -llr_max) harq_orig[j] = -llr_max; } if (harq_orig[j] != harq_out[jj]) { error = (harq_orig[j] > harq_out[jj]) ? harq_orig[j] - harq_out[jj] : harq_out[jj] - harq_orig[j]; abs_harq_origin = harq_orig[j] > 0 ? harq_orig[j] : -harq_orig[j]; /* Residual quantization error */ if ((error > 8 && (abs_harq_origin < (llr_max - 16))) || (error > 16)) { printf("HARQ mismatch %d: exp %d act %d => %d\n", j, harq_orig[j], harq_out[jj], error); byte_error++; cum_error += error; } } } m = m->next; } if (byte_error) TEST_ASSERT(byte_error <= 1, "HARQ output mismatch (%d) %d", byte_error, cum_error); /* Validate total mbuf pkt length */ uint32_t pkt_len = rte_pktmbuf_pkt_len(op->data) - op->offset; TEST_ASSERT(total_data_size < pkt_len + 64, "Length of data differ in original (%u) and filled (%u) op", total_data_size, pkt_len); return TEST_SUCCESS; } static int validate_dec_op(struct rte_bbdev_dec_op **ops, const uint16_t n, struct rte_bbdev_dec_op *ref_op, const int vector_mask) { unsigned int i; int ret; struct op_data_entries *hard_data_orig = &test_vector.entries[DATA_HARD_OUTPUT]; struct op_data_entries *soft_data_orig = &test_vector.entries[DATA_SOFT_OUTPUT]; struct rte_bbdev_op_turbo_dec *ops_td; struct rte_bbdev_op_data *hard_output; struct rte_bbdev_op_data *soft_output; struct rte_bbdev_op_turbo_dec *ref_td = &ref_op->turbo_dec; for (i = 0; i < n; ++i) { ops_td = &ops[i]->turbo_dec; hard_output = &ops_td->hard_output; soft_output = &ops_td->soft_output; if (vector_mask & TEST_BBDEV_VF_EXPECTED_ITER_COUNT) TEST_ASSERT(ops_td->iter_count <= ref_td->iter_count, "Returned iter_count (%d) > expected iter_count (%d)", ops_td->iter_count, ref_td->iter_count); ret = check_dec_status_and_ordering(ops[i], i, ref_op->status); TEST_ASSERT_SUCCESS(ret, "Checking status and ordering for decoder failed"); TEST_ASSERT_SUCCESS(validate_op_chain(hard_output, hard_data_orig), "Hard output buffers (CB=%u) are not equal", i); if (ref_op->turbo_dec.op_flags & RTE_BBDEV_TURBO_SOFT_OUTPUT) TEST_ASSERT_SUCCESS(validate_op_chain(soft_output, soft_data_orig), "Soft output buffers (CB=%u) are not equal", i); } return TEST_SUCCESS; } /* Check Number of code blocks errors */ static int validate_ldpc_bler(struct rte_bbdev_dec_op **ops, const uint16_t n) { unsigned int i; struct op_data_entries *hard_data_orig = &test_vector.entries[DATA_HARD_OUTPUT]; struct rte_bbdev_op_ldpc_dec *ops_td; struct rte_bbdev_op_data *hard_output; int errors = 0; struct rte_mbuf *m; for (i = 0; i < n; ++i) { ops_td = &ops[i]->ldpc_dec; hard_output = &ops_td->hard_output; m = hard_output->data; if (memcmp(rte_pktmbuf_mtod_offset(m, uint32_t *, 0), hard_data_orig->segments[0].addr, hard_data_orig->segments[0].length)) errors++; } return errors; } static int validate_ldpc_dec_op(struct rte_bbdev_dec_op **ops, const uint16_t n, struct rte_bbdev_dec_op *ref_op, const int vector_mask) { unsigned int i; int ret; struct op_data_entries *hard_data_orig = &test_vector.entries[DATA_HARD_OUTPUT]; struct op_data_entries *soft_data_orig = &test_vector.entries[DATA_SOFT_OUTPUT]; struct op_data_entries *harq_data_orig = &test_vector.entries[DATA_HARQ_OUTPUT]; struct rte_bbdev_op_ldpc_dec *ops_td; struct rte_bbdev_op_data *hard_output; struct rte_bbdev_op_data *harq_output; struct rte_bbdev_op_data *soft_output; struct rte_bbdev_op_ldpc_dec *ref_td = &ref_op->ldpc_dec; for (i = 0; i < n; ++i) { ops_td = &ops[i]->ldpc_dec; hard_output = &ops_td->hard_output; harq_output = &ops_td->harq_combined_output; soft_output = &ops_td->soft_output; ret = check_dec_status_and_ordering(ops[i], i, ref_op->status); TEST_ASSERT_SUCCESS(ret, "Checking status and ordering for decoder failed"); if (vector_mask & TEST_BBDEV_VF_EXPECTED_ITER_COUNT) TEST_ASSERT(ops_td->iter_count <= ref_td->iter_count, "Returned iter_count (%d) > expected iter_count (%d)", ops_td->iter_count, ref_td->iter_count); /* * We can ignore output data when the decoding failed to * converge or for loop-back cases */ if (!check_bit(ops[i]->ldpc_dec.op_flags, RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK ) && ( ops[i]->status & (1 << RTE_BBDEV_SYNDROME_ERROR )) == 0) TEST_ASSERT_SUCCESS(validate_op_chain(hard_output, hard_data_orig), "Hard output buffers (CB=%u) are not equal", i); if (ref_op->ldpc_dec.op_flags & RTE_BBDEV_LDPC_SOFT_OUT_ENABLE) TEST_ASSERT_SUCCESS(validate_op_chain(soft_output, soft_data_orig), "Soft output buffers (CB=%u) are not equal", i); if (ref_op->ldpc_dec.op_flags & RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE) { TEST_ASSERT_SUCCESS(validate_op_harq_chain(harq_output, harq_data_orig, ops_td), "HARQ output buffers (CB=%u) are not equal", i); } if (ref_op->ldpc_dec.op_flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK) TEST_ASSERT_SUCCESS(validate_op_harq_chain(harq_output, harq_data_orig, ops_td), "HARQ output buffers (CB=%u) are not equal", i); } return TEST_SUCCESS; } static int validate_enc_op(struct rte_bbdev_enc_op **ops, const uint16_t n, struct rte_bbdev_enc_op *ref_op) { unsigned int i; int ret; struct op_data_entries *hard_data_orig = &test_vector.entries[DATA_HARD_OUTPUT]; for (i = 0; i < n; ++i) { ret = check_enc_status_and_ordering(ops[i], i, ref_op->status); TEST_ASSERT_SUCCESS(ret, "Checking status and ordering for encoder failed"); TEST_ASSERT_SUCCESS(validate_op_chain( &ops[i]->turbo_enc.output, hard_data_orig), "Output buffers (CB=%u) are not equal", i); } return TEST_SUCCESS; } static int validate_ldpc_enc_op(struct rte_bbdev_enc_op **ops, const uint16_t n, struct rte_bbdev_enc_op *ref_op) { unsigned int i; int ret; struct op_data_entries *hard_data_orig = &test_vector.entries[DATA_HARD_OUTPUT]; for (i = 0; i < n; ++i) { ret = check_enc_status_and_ordering(ops[i], i, ref_op->status); TEST_ASSERT_SUCCESS(ret, "Checking status and ordering for encoder failed"); TEST_ASSERT_SUCCESS(validate_op_chain( &ops[i]->ldpc_enc.output, hard_data_orig), "Output buffers (CB=%u) are not equal", i); } return TEST_SUCCESS; } static void create_reference_dec_op(struct rte_bbdev_dec_op *op) { unsigned int i; struct op_data_entries *entry; op->turbo_dec = test_vector.turbo_dec; entry = &test_vector.entries[DATA_INPUT]; for (i = 0; i < entry->nb_segments; ++i) op->turbo_dec.input.length += entry->segments[i].length; } static void create_reference_ldpc_dec_op(struct rte_bbdev_dec_op *op) { unsigned int i; struct op_data_entries *entry; op->ldpc_dec = test_vector.ldpc_dec; entry = &test_vector.entries[DATA_INPUT]; for (i = 0; i < entry->nb_segments; ++i) op->ldpc_dec.input.length += entry->segments[i].length; if (test_vector.ldpc_dec.op_flags & RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE) { entry = &test_vector.entries[DATA_HARQ_INPUT]; for (i = 0; i < entry->nb_segments; ++i) op->ldpc_dec.harq_combined_input.length += entry->segments[i].length; } } static void create_reference_enc_op(struct rte_bbdev_enc_op *op) { unsigned int i; struct op_data_entries *entry; op->turbo_enc = test_vector.turbo_enc; entry = &test_vector.entries[DATA_INPUT]; for (i = 0; i < entry->nb_segments; ++i) op->turbo_enc.input.length += entry->segments[i].length; } static void create_reference_ldpc_enc_op(struct rte_bbdev_enc_op *op) { unsigned int i; struct op_data_entries *entry; op->ldpc_enc = test_vector.ldpc_enc; entry = &test_vector.entries[DATA_INPUT]; for (i = 0; i < entry->nb_segments; ++i) op->ldpc_enc.input.length += entry->segments[i].length; } static uint32_t calc_dec_TB_size(struct rte_bbdev_dec_op *op) { uint8_t i; uint32_t c, r, tb_size = 0; if (op->turbo_dec.code_block_mode) { tb_size = op->turbo_dec.tb_params.k_neg; } else { c = op->turbo_dec.tb_params.c; r = op->turbo_dec.tb_params.r; for (i = 0; i < c-r; i++) tb_size += (r < op->turbo_dec.tb_params.c_neg) ? op->turbo_dec.tb_params.k_neg : op->turbo_dec.tb_params.k_pos; } return tb_size; } static uint32_t calc_ldpc_dec_TB_size(struct rte_bbdev_dec_op *op) { uint8_t i; uint32_t c, r, tb_size = 0; uint16_t sys_cols = (op->ldpc_dec.basegraph == 1) ? 22 : 10; if (op->ldpc_dec.code_block_mode) { tb_size = sys_cols * op->ldpc_dec.z_c - op->ldpc_dec.n_filler; } else { c = op->ldpc_dec.tb_params.c; r = op->ldpc_dec.tb_params.r; for (i = 0; i < c-r; i++) tb_size += sys_cols * op->ldpc_dec.z_c - op->ldpc_dec.n_filler; } return tb_size; } static uint32_t calc_enc_TB_size(struct rte_bbdev_enc_op *op) { uint8_t i; uint32_t c, r, tb_size = 0; if (op->turbo_enc.code_block_mode) { tb_size = op->turbo_enc.tb_params.k_neg; } else { c = op->turbo_enc.tb_params.c; r = op->turbo_enc.tb_params.r; for (i = 0; i < c-r; i++) tb_size += (r < op->turbo_enc.tb_params.c_neg) ? op->turbo_enc.tb_params.k_neg : op->turbo_enc.tb_params.k_pos; } return tb_size; } static uint32_t calc_ldpc_enc_TB_size(struct rte_bbdev_enc_op *op) { uint8_t i; uint32_t c, r, tb_size = 0; uint16_t sys_cols = (op->ldpc_enc.basegraph == 1) ? 22 : 10; if (op->turbo_enc.code_block_mode) { tb_size = sys_cols * op->ldpc_enc.z_c - op->ldpc_enc.n_filler; } else { c = op->turbo_enc.tb_params.c; r = op->turbo_enc.tb_params.r; for (i = 0; i < c-r; i++) tb_size += sys_cols * op->ldpc_enc.z_c - op->ldpc_enc.n_filler; } return tb_size; } static int init_test_op_params(struct test_op_params *op_params, enum rte_bbdev_op_type op_type, const int expected_status, const int vector_mask, 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_TURBO_DEC || op_type == RTE_BBDEV_OP_LDPC_DEC) ret = rte_bbdev_dec_op_alloc_bulk(ops_mp, &op_params->ref_dec_op, 1); else ret = rte_bbdev_enc_op_alloc_bulk(ops_mp, &op_params->ref_enc_op, 1); TEST_ASSERT_SUCCESS(ret, "rte_bbdev_op_alloc_bulk() failed"); op_params->mp = ops_mp; op_params->burst_sz = burst_sz; op_params->num_to_process = num_to_process; op_params->num_lcores = num_lcores; op_params->vector_mask = vector_mask; if (op_type == RTE_BBDEV_OP_TURBO_DEC || op_type == RTE_BBDEV_OP_LDPC_DEC) op_params->ref_dec_op->status = expected_status; else if (op_type == RTE_BBDEV_OP_TURBO_ENC || op_type == RTE_BBDEV_OP_LDPC_ENC) op_params->ref_enc_op->status = expected_status; return 0; } static int run_test_case_on_device(test_case_function *test_case_func, uint8_t dev_id, struct test_op_params *op_params) { int t_ret, f_ret, socket_id = SOCKET_ID_ANY; unsigned int i; struct active_device *ad; unsigned int burst_sz = get_burst_sz(); enum rte_bbdev_op_type op_type = test_vector.op_type; const struct rte_bbdev_op_cap *capabilities = NULL; ad = &active_devs[dev_id]; /* Check if device supports op_type */ if (!is_avail_op(ad, test_vector.op_type)) return TEST_SUCCESS; struct rte_bbdev_info info; rte_bbdev_info_get(ad->dev_id, &info); socket_id = GET_SOCKET(info.socket_id); f_ret = create_mempools(ad, socket_id, op_type, get_num_ops()); if (f_ret != TEST_SUCCESS) { printf("Couldn't create mempools"); goto fail; } if (op_type == RTE_BBDEV_OP_NONE) op_type = RTE_BBDEV_OP_TURBO_ENC; f_ret = init_test_op_params(op_params, test_vector.op_type, test_vector.expected_status, test_vector.mask, ad->ops_mempool, burst_sz, get_num_ops(), get_num_lcores()); if (f_ret != TEST_SUCCESS) { printf("Couldn't init test op params"); goto fail; } /* Find capabilities */ const struct rte_bbdev_op_cap *cap = info.drv.capabilities; for (i = 0; i < RTE_BBDEV_OP_TYPE_COUNT; i++) { if (cap->type == test_vector.op_type) { capabilities = cap; break; } cap++; } TEST_ASSERT_NOT_NULL(capabilities, "Couldn't find capabilities"); if (test_vector.op_type == RTE_BBDEV_OP_TURBO_DEC) { create_reference_dec_op(op_params->ref_dec_op); } else if (test_vector.op_type == RTE_BBDEV_OP_TURBO_ENC) create_reference_enc_op(op_params->ref_enc_op); else if (test_vector.op_type == RTE_BBDEV_OP_LDPC_ENC) create_reference_ldpc_enc_op(op_params->ref_enc_op); else if (test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC) create_reference_ldpc_dec_op(op_params->ref_dec_op); for (i = 0; i < ad->nb_queues; ++i) { f_ret = fill_queue_buffers(op_params, ad->in_mbuf_pool, ad->hard_out_mbuf_pool, ad->soft_out_mbuf_pool, ad->harq_in_mbuf_pool, ad->harq_out_mbuf_pool, ad->queue_ids[i], capabilities, info.drv.min_alignment, socket_id); if (f_ret != TEST_SUCCESS) { printf("Couldn't init queue buffers"); goto fail; } } /* Run test case function */ t_ret = test_case_func(ad, op_params); /* Free active device resources and return */ free_buffers(ad, op_params); return t_ret; fail: free_buffers(ad, op_params); return TEST_FAILED; } /* Run given test function per active device per supported op type * per burst size. */ static int run_test_case(test_case_function *test_case_func) { int ret = 0; uint8_t dev; /* Alloc op_params */ struct test_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)); /* For each device run test case function */ for (dev = 0; dev < nb_active_devs; ++dev) ret |= run_test_case_on_device(test_case_func, dev, op_params); rte_free(op_params); return ret; } /* Push back the HARQ output from DDR to host */ static void retrieve_harq_ddr(uint16_t dev_id, uint16_t queue_id, struct rte_bbdev_dec_op **ops, const uint16_t n) { uint16_t j; int save_status, ret; uint32_t harq_offset = (uint32_t) queue_id * HARQ_INCR * 1024; struct rte_bbdev_dec_op *ops_deq[MAX_BURST]; uint32_t flags = ops[0]->ldpc_dec.op_flags; bool loopback = flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK; bool mem_out = flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE; bool hc_out = flags & RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE; bool h_comp = flags & RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION; for (j = 0; j < n; ++j) { if ((loopback && mem_out) || hc_out) { save_status = ops[j]->status; ops[j]->ldpc_dec.op_flags = RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK + RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_IN_ENABLE; if (h_comp) ops[j]->ldpc_dec.op_flags += RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION; ops[j]->ldpc_dec.harq_combined_input.offset = harq_offset; ops[j]->ldpc_dec.harq_combined_output.offset = 0; harq_offset += HARQ_INCR; if (!loopback) ops[j]->ldpc_dec.harq_combined_input.length = ops[j]->ldpc_dec.harq_combined_output.length; rte_bbdev_enqueue_ldpc_dec_ops(dev_id, queue_id, &ops[j], 1); ret = 0; while (ret == 0) ret = rte_bbdev_dequeue_ldpc_dec_ops( dev_id, queue_id, &ops_deq[j], 1); ops[j]->ldpc_dec.op_flags = flags; ops[j]->status = save_status; } } } /* * Push back the HARQ output from HW DDR to Host * Preload HARQ memory input and adjust HARQ offset */ static void preload_harq_ddr(uint16_t dev_id, uint16_t queue_id, struct rte_bbdev_dec_op **ops, const uint16_t n, bool preload) { uint16_t j; int ret; uint32_t harq_offset = (uint32_t) queue_id * HARQ_INCR * 1024; struct rte_bbdev_op_data save_hc_in, save_hc_out; struct rte_bbdev_dec_op *ops_deq[MAX_BURST]; uint32_t flags = ops[0]->ldpc_dec.op_flags; bool mem_in = flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_IN_ENABLE; bool hc_in = flags & RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE; bool mem_out = flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE; bool hc_out = flags & RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE; bool h_comp = flags & RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION; for (j = 0; j < n; ++j) { if ((mem_in || hc_in) && preload) { save_hc_in = ops[j]->ldpc_dec.harq_combined_input; save_hc_out = ops[j]->ldpc_dec.harq_combined_output; ops[j]->ldpc_dec.op_flags = RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK + RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE; if (h_comp) ops[j]->ldpc_dec.op_flags += RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION; ops[j]->ldpc_dec.harq_combined_output.offset = harq_offset; ops[j]->ldpc_dec.harq_combined_input.offset = 0; rte_bbdev_enqueue_ldpc_dec_ops(dev_id, queue_id, &ops[j], 1); ret = 0; while (ret == 0) ret = rte_bbdev_dequeue_ldpc_dec_ops( dev_id, queue_id, &ops_deq[j], 1); ops[j]->ldpc_dec.op_flags = flags; ops[j]->ldpc_dec.harq_combined_input = save_hc_in; ops[j]->ldpc_dec.harq_combined_output = save_hc_out; } /* Adjust HARQ offset when we reach external DDR */ if (mem_in || hc_in) ops[j]->ldpc_dec.harq_combined_input.offset = harq_offset; if (mem_out || hc_out) ops[j]->ldpc_dec.harq_combined_output.offset = harq_offset; harq_offset += HARQ_INCR; } } static void dequeue_event_callback(uint16_t dev_id, enum rte_bbdev_event_type event, void *cb_arg, void *ret_param) { int ret; uint16_t i; uint64_t total_time; uint16_t deq, burst_sz, num_ops; uint16_t queue_id = *(uint16_t *) ret_param; struct rte_bbdev_info info; double tb_len_bits; struct thread_params *tp = cb_arg; /* Find matching thread params using queue_id */ for (i = 0; i < MAX_QUEUES; ++i, ++tp) if (tp->queue_id == queue_id) break; if (i == MAX_QUEUES) { printf("%s: Queue_id from interrupt details was not found!\n", __func__); return; } if (unlikely(event != RTE_BBDEV_EVENT_DEQUEUE)) { rte_atomic16_set(&tp->processing_status, TEST_FAILED); printf( "Dequeue interrupt handler called for incorrect event!\n"); return; } burst_sz = rte_atomic16_read(&tp->burst_sz); num_ops = tp->op_params->num_to_process; if (test_vector.op_type == RTE_BBDEV_OP_TURBO_DEC) deq = rte_bbdev_dequeue_dec_ops(dev_id, queue_id, &tp->dec_ops[ rte_atomic16_read(&tp->nb_dequeued)], burst_sz); else if (test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC) deq = rte_bbdev_dequeue_ldpc_dec_ops(dev_id, queue_id, &tp->dec_ops[ rte_atomic16_read(&tp->nb_dequeued)], burst_sz); else if (test_vector.op_type == RTE_BBDEV_OP_LDPC_ENC) deq = rte_bbdev_dequeue_ldpc_enc_ops(dev_id, queue_id, &tp->enc_ops[ rte_atomic16_read(&tp->nb_dequeued)], burst_sz); else /*RTE_BBDEV_OP_TURBO_ENC*/ deq = rte_bbdev_dequeue_enc_ops(dev_id, queue_id, &tp->enc_ops[ rte_atomic16_read(&tp->nb_dequeued)], burst_sz); if (deq < burst_sz) { printf( "After receiving the interrupt all operations should be dequeued. Expected: %u, got: %u\n", burst_sz, deq); rte_atomic16_set(&tp->processing_status, TEST_FAILED); return; } if (rte_atomic16_read(&tp->nb_dequeued) + deq < num_ops) { rte_atomic16_add(&tp->nb_dequeued, deq); return; } total_time = rte_rdtsc_precise() - tp->start_time; rte_bbdev_info_get(dev_id, &info); ret = TEST_SUCCESS; if (test_vector.op_type == RTE_BBDEV_OP_TURBO_DEC) { struct rte_bbdev_dec_op *ref_op = tp->op_params->ref_dec_op; ret = validate_dec_op(tp->dec_ops, num_ops, ref_op, tp->op_params->vector_mask); /* get the max of iter_count for all dequeued ops */ for (i = 0; i < num_ops; ++i) tp->iter_count = RTE_MAX( tp->dec_ops[i]->turbo_dec.iter_count, tp->iter_count); rte_bbdev_dec_op_free_bulk(tp->dec_ops, deq); } else if (test_vector.op_type == RTE_BBDEV_OP_TURBO_ENC) { struct rte_bbdev_enc_op *ref_op = tp->op_params->ref_enc_op; ret = validate_enc_op(tp->enc_ops, num_ops, ref_op); rte_bbdev_enc_op_free_bulk(tp->enc_ops, deq); } else if (test_vector.op_type == RTE_BBDEV_OP_LDPC_ENC) { struct rte_bbdev_enc_op *ref_op = tp->op_params->ref_enc_op; ret = validate_ldpc_enc_op(tp->enc_ops, num_ops, ref_op); rte_bbdev_enc_op_free_bulk(tp->enc_ops, deq); } else if (test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC) { struct rte_bbdev_dec_op *ref_op = tp->op_params->ref_dec_op; ret = validate_ldpc_dec_op(tp->dec_ops, num_ops, ref_op, tp->op_params->vector_mask); rte_bbdev_dec_op_free_bulk(tp->dec_ops, deq); } if (ret) { printf("Buffers validation failed\n"); rte_atomic16_set(&tp->processing_status, TEST_FAILED); } switch (test_vector.op_type) { case RTE_BBDEV_OP_TURBO_DEC: tb_len_bits = calc_dec_TB_size(tp->op_params->ref_dec_op); break; case RTE_BBDEV_OP_TURBO_ENC: tb_len_bits = calc_enc_TB_size(tp->op_params->ref_enc_op); break; case RTE_BBDEV_OP_LDPC_DEC: tb_len_bits = calc_ldpc_dec_TB_size(tp->op_params->ref_dec_op); break; case RTE_BBDEV_OP_LDPC_ENC: tb_len_bits = calc_ldpc_enc_TB_size(tp->op_params->ref_enc_op); break; case RTE_BBDEV_OP_NONE: tb_len_bits = 0.0; break; default: printf("Unknown op type: %d\n", test_vector.op_type); rte_atomic16_set(&tp->processing_status, TEST_FAILED); return; } tp->ops_per_sec += ((double)num_ops) / ((double)total_time / (double)rte_get_tsc_hz()); tp->mbps += (((double)(num_ops * tb_len_bits)) / 1000000.0) / ((double)total_time / (double)rte_get_tsc_hz()); rte_atomic16_add(&tp->nb_dequeued, deq); } static int throughput_intr_lcore_ldpc_dec(void *arg) { struct thread_params *tp = arg; unsigned int enqueued; const uint16_t queue_id = tp->queue_id; const uint16_t burst_sz = tp->op_params->burst_sz; const uint16_t num_to_process = tp->op_params->num_to_process; struct rte_bbdev_dec_op *ops[num_to_process]; struct test_buffers *bufs = NULL; struct rte_bbdev_info info; int ret, i, j; struct rte_bbdev_dec_op *ref_op = tp->op_params->ref_dec_op; uint16_t num_to_enq, enq; bool loopback = check_bit(ref_op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK); bool hc_out = check_bit(ref_op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE); TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); TEST_ASSERT_SUCCESS(rte_bbdev_queue_intr_enable(tp->dev_id, queue_id), "Failed to enable interrupts for dev: %u, queue_id: %u", tp->dev_id, queue_id); rte_bbdev_info_get(tp->dev_id, &info); TEST_ASSERT_SUCCESS((num_to_process > info.drv.queue_size_lim), "NUM_OPS cannot exceed %u for this device", info.drv.queue_size_lim); bufs = &tp->op_params->q_bufs[GET_SOCKET(info.socket_id)][queue_id]; rte_atomic16_clear(&tp->processing_status); rte_atomic16_clear(&tp->nb_dequeued); while (rte_atomic16_read(&tp->op_params->sync) == SYNC_WAIT) rte_pause(); ret = rte_bbdev_dec_op_alloc_bulk(tp->op_params->mp, ops, num_to_process); TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_to_process); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_ldpc_dec_op(ops, num_to_process, 0, bufs->inputs, bufs->hard_outputs, bufs->soft_outputs, bufs->harq_inputs, bufs->harq_outputs, ref_op); /* Set counter to validate the ordering */ for (j = 0; j < num_to_process; ++j) ops[j]->opaque_data = (void *)(uintptr_t)j; for (j = 0; j < TEST_REPETITIONS; ++j) { for (i = 0; i < num_to_process; ++i) { if (!loopback) rte_pktmbuf_reset( ops[i]->ldpc_dec.hard_output.data); if (hc_out || loopback) mbuf_reset( ops[i]->ldpc_dec.harq_combined_output.data); } tp->start_time = rte_rdtsc_precise(); for (enqueued = 0; enqueued < num_to_process;) { num_to_enq = burst_sz; if (unlikely(num_to_process - enqueued < num_to_enq)) num_to_enq = num_to_process - enqueued; enq = 0; do { enq += rte_bbdev_enqueue_ldpc_dec_ops( tp->dev_id, queue_id, &ops[enqueued], num_to_enq); } while (unlikely(num_to_enq != enq)); enqueued += enq; /* Write to thread burst_sz current number of enqueued * descriptors. It ensures that proper number of * descriptors will be dequeued in callback * function - needed for last batch in case where * the number of operations is not a multiple of * burst size. */ rte_atomic16_set(&tp->burst_sz, num_to_enq); /* Wait until processing of previous batch is * completed */ while (rte_atomic16_read(&tp->nb_dequeued) != (int16_t) enqueued) rte_pause(); } if (j != TEST_REPETITIONS - 1) rte_atomic16_clear(&tp->nb_dequeued); } return TEST_SUCCESS; } static int throughput_intr_lcore_dec(void *arg) { struct thread_params *tp = arg; unsigned int enqueued; const uint16_t queue_id = tp->queue_id; const uint16_t burst_sz = tp->op_params->burst_sz; const uint16_t num_to_process = tp->op_params->num_to_process; struct rte_bbdev_dec_op *ops[num_to_process]; struct test_buffers *bufs = NULL; struct rte_bbdev_info info; int ret, i, j; uint16_t num_to_enq, enq; TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); TEST_ASSERT_SUCCESS(rte_bbdev_queue_intr_enable(tp->dev_id, queue_id), "Failed to enable interrupts for dev: %u, queue_id: %u", tp->dev_id, queue_id); rte_bbdev_info_get(tp->dev_id, &info); TEST_ASSERT_SUCCESS((num_to_process > info.drv.queue_size_lim), "NUM_OPS cannot exceed %u for this device", info.drv.queue_size_lim); bufs = &tp->op_params->q_bufs[GET_SOCKET(info.socket_id)][queue_id]; rte_atomic16_clear(&tp->processing_status); rte_atomic16_clear(&tp->nb_dequeued); while (rte_atomic16_read(&tp->op_params->sync) == SYNC_WAIT) rte_pause(); ret = rte_bbdev_dec_op_alloc_bulk(tp->op_params->mp, ops, num_to_process); TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_to_process); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_dec_op(ops, num_to_process, 0, bufs->inputs, bufs->hard_outputs, bufs->soft_outputs, tp->op_params->ref_dec_op); /* Set counter to validate the ordering */ for (j = 0; j < num_to_process; ++j) ops[j]->opaque_data = (void *)(uintptr_t)j; for (j = 0; j < TEST_REPETITIONS; ++j) { for (i = 0; i < num_to_process; ++i) rte_pktmbuf_reset(ops[i]->turbo_dec.hard_output.data); tp->start_time = rte_rdtsc_precise(); for (enqueued = 0; enqueued < num_to_process;) { num_to_enq = burst_sz; if (unlikely(num_to_process - enqueued < num_to_enq)) num_to_enq = num_to_process - enqueued; enq = 0; do { enq += rte_bbdev_enqueue_dec_ops(tp->dev_id, queue_id, &ops[enqueued], num_to_enq); } while (unlikely(num_to_enq != enq)); enqueued += enq; /* Write to thread burst_sz current number of enqueued * descriptors. It ensures that proper number of * descriptors will be dequeued in callback * function - needed for last batch in case where * the number of operations is not a multiple of * burst size. */ rte_atomic16_set(&tp->burst_sz, num_to_enq); /* Wait until processing of previous batch is * completed */ while (rte_atomic16_read(&tp->nb_dequeued) != (int16_t) enqueued) rte_pause(); } if (j != TEST_REPETITIONS - 1) rte_atomic16_clear(&tp->nb_dequeued); } return TEST_SUCCESS; } static int throughput_intr_lcore_enc(void *arg) { struct thread_params *tp = arg; unsigned int enqueued; const uint16_t queue_id = tp->queue_id; const uint16_t burst_sz = tp->op_params->burst_sz; const uint16_t num_to_process = tp->op_params->num_to_process; struct rte_bbdev_enc_op *ops[num_to_process]; struct test_buffers *bufs = NULL; struct rte_bbdev_info info; int ret, i, j; uint16_t num_to_enq, enq; TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); TEST_ASSERT_SUCCESS(rte_bbdev_queue_intr_enable(tp->dev_id, queue_id), "Failed to enable interrupts for dev: %u, queue_id: %u", tp->dev_id, queue_id); rte_bbdev_info_get(tp->dev_id, &info); TEST_ASSERT_SUCCESS((num_to_process > info.drv.queue_size_lim), "NUM_OPS cannot exceed %u for this device", info.drv.queue_size_lim); bufs = &tp->op_params->q_bufs[GET_SOCKET(info.socket_id)][queue_id]; rte_atomic16_clear(&tp->processing_status); rte_atomic16_clear(&tp->nb_dequeued); while (rte_atomic16_read(&tp->op_params->sync) == SYNC_WAIT) rte_pause(); ret = rte_bbdev_enc_op_alloc_bulk(tp->op_params->mp, ops, num_to_process); TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_to_process); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_enc_op(ops, num_to_process, 0, bufs->inputs, bufs->hard_outputs, tp->op_params->ref_enc_op); /* Set counter to validate the ordering */ for (j = 0; j < num_to_process; ++j) ops[j]->opaque_data = (void *)(uintptr_t)j; for (j = 0; j < TEST_REPETITIONS; ++j) { for (i = 0; i < num_to_process; ++i) rte_pktmbuf_reset(ops[i]->turbo_enc.output.data); tp->start_time = rte_rdtsc_precise(); for (enqueued = 0; enqueued < num_to_process;) { num_to_enq = burst_sz; if (unlikely(num_to_process - enqueued < num_to_enq)) num_to_enq = num_to_process - enqueued; enq = 0; do { enq += rte_bbdev_enqueue_enc_ops(tp->dev_id, queue_id, &ops[enqueued], num_to_enq); } while (unlikely(enq != num_to_enq)); enqueued += enq; /* Write to thread burst_sz current number of enqueued * descriptors. It ensures that proper number of * descriptors will be dequeued in callback * function - needed for last batch in case where * the number of operations is not a multiple of * burst size. */ rte_atomic16_set(&tp->burst_sz, num_to_enq); /* Wait until processing of previous batch is * completed */ while (rte_atomic16_read(&tp->nb_dequeued) != (int16_t) enqueued) rte_pause(); } if (j != TEST_REPETITIONS - 1) rte_atomic16_clear(&tp->nb_dequeued); } return TEST_SUCCESS; } static int throughput_intr_lcore_ldpc_enc(void *arg) { struct thread_params *tp = arg; unsigned int enqueued; const uint16_t queue_id = tp->queue_id; const uint16_t burst_sz = tp->op_params->burst_sz; const uint16_t num_to_process = tp->op_params->num_to_process; struct rte_bbdev_enc_op *ops[num_to_process]; struct test_buffers *bufs = NULL; struct rte_bbdev_info info; int ret, i, j; uint16_t num_to_enq, enq; TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); TEST_ASSERT_SUCCESS(rte_bbdev_queue_intr_enable(tp->dev_id, queue_id), "Failed to enable interrupts for dev: %u, queue_id: %u", tp->dev_id, queue_id); rte_bbdev_info_get(tp->dev_id, &info); TEST_ASSERT_SUCCESS((num_to_process > info.drv.queue_size_lim), "NUM_OPS cannot exceed %u for this device", info.drv.queue_size_lim); bufs = &tp->op_params->q_bufs[GET_SOCKET(info.socket_id)][queue_id]; rte_atomic16_clear(&tp->processing_status); rte_atomic16_clear(&tp->nb_dequeued); while (rte_atomic16_read(&tp->op_params->sync) == SYNC_WAIT) rte_pause(); ret = rte_bbdev_enc_op_alloc_bulk(tp->op_params->mp, ops, num_to_process); TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_to_process); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_ldpc_enc_op(ops, num_to_process, 0, bufs->inputs, bufs->hard_outputs, tp->op_params->ref_enc_op); /* Set counter to validate the ordering */ for (j = 0; j < num_to_process; ++j) ops[j]->opaque_data = (void *)(uintptr_t)j; for (j = 0; j < TEST_REPETITIONS; ++j) { for (i = 0; i < num_to_process; ++i) rte_pktmbuf_reset(ops[i]->turbo_enc.output.data); tp->start_time = rte_rdtsc_precise(); for (enqueued = 0; enqueued < num_to_process;) { num_to_enq = burst_sz; if (unlikely(num_to_process - enqueued < num_to_enq)) num_to_enq = num_to_process - enqueued; enq = 0; do { enq += rte_bbdev_enqueue_ldpc_enc_ops( tp->dev_id, queue_id, &ops[enqueued], num_to_enq); } while (unlikely(enq != num_to_enq)); enqueued += enq; /* Write to thread burst_sz current number of enqueued * descriptors. It ensures that proper number of * descriptors will be dequeued in callback * function - needed for last batch in case where * the number of operations is not a multiple of * burst size. */ rte_atomic16_set(&tp->burst_sz, num_to_enq); /* Wait until processing of previous batch is * completed */ while (rte_atomic16_read(&tp->nb_dequeued) != (int16_t) enqueued) rte_pause(); } if (j != TEST_REPETITIONS - 1) rte_atomic16_clear(&tp->nb_dequeued); } return TEST_SUCCESS; } static int throughput_pmd_lcore_dec(void *arg) { struct thread_params *tp = arg; uint16_t enq, deq; uint64_t total_time = 0, start_time; 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; struct test_buffers *bufs = NULL; int i, j, ret; struct rte_bbdev_info info; uint16_t num_to_enq; TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); 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); 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_bbdev_dec_op_alloc_bulk(tp->op_params->mp, ops_enq, num_ops); TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_ops); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_dec_op(ops_enq, num_ops, 0, bufs->inputs, bufs->hard_outputs, bufs->soft_outputs, ref_op); /* Set counter to validate the ordering */ for (j = 0; j < num_ops; ++j) ops_enq[j]->opaque_data = (void *)(uintptr_t)j; for (i = 0; i < TEST_REPETITIONS; ++i) { for (j = 0; j < num_ops; ++j) mbuf_reset(ops_enq[j]->turbo_dec.hard_output.data); start_time = rte_rdtsc_precise(); 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_dec_ops(tp->dev_id, queue_id, &ops_enq[enq], num_to_enq); deq += rte_bbdev_dequeue_dec_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq); } /* dequeue the remaining */ while (deq < enq) { deq += rte_bbdev_dequeue_dec_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq); } total_time += rte_rdtsc_precise() - start_time; } 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]->turbo_dec.iter_count, tp->iter_count); } if (test_vector.op_type != RTE_BBDEV_OP_NONE) { ret = validate_dec_op(ops_deq, num_ops, ref_op, tp->op_params->vector_mask); TEST_ASSERT_SUCCESS(ret, "Validation failed!"); } rte_bbdev_dec_op_free_bulk(ops_enq, num_ops); double tb_len_bits = calc_dec_TB_size(ref_op); tp->ops_per_sec = ((double)num_ops * TEST_REPETITIONS) / ((double)total_time / (double)rte_get_tsc_hz()); tp->mbps = (((double)(num_ops * TEST_REPETITIONS * tb_len_bits)) / 1000000.0) / ((double)total_time / (double)rte_get_tsc_hz()); return TEST_SUCCESS; } static int bler_pmd_lcore_ldpc_dec(void *arg) { struct thread_params *tp = arg; uint16_t enq, deq; uint64_t total_time = 0, start_time; 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; struct test_buffers *bufs = NULL; int i, j, ret; float parity_bler = 0; struct rte_bbdev_info info; uint16_t num_to_enq; bool extDdr = check_bit(ldpc_cap_flags, RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE); bool loopback = check_bit(ref_op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK); bool hc_out = check_bit(ref_op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE); TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); 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); 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_bbdev_dec_op_alloc_bulk(tp->op_params->mp, ops_enq, num_ops); TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_ops); /* For BLER tests we need to enable early termination */ if (!check_bit(ref_op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE)) ref_op->ldpc_dec.op_flags += RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE; ref_op->ldpc_dec.iter_max = get_iter_max(); ref_op->ldpc_dec.iter_count = ref_op->ldpc_dec.iter_max; if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_ldpc_dec_op(ops_enq, num_ops, 0, bufs->inputs, bufs->hard_outputs, bufs->soft_outputs, bufs->harq_inputs, bufs->harq_outputs, ref_op); generate_llr_input(num_ops, bufs->inputs, ref_op); /* Set counter to validate the ordering */ for (j = 0; j < num_ops; ++j) ops_enq[j]->opaque_data = (void *)(uintptr_t)j; for (i = 0; i < 1; ++i) { /* Could add more iterations */ for (j = 0; j < num_ops; ++j) { if (!loopback) mbuf_reset( ops_enq[j]->ldpc_dec.hard_output.data); if (hc_out || loopback) mbuf_reset( ops_enq[j]->ldpc_dec.harq_combined_output.data); } if (extDdr) { bool preload = i == (TEST_REPETITIONS - 1); preload_harq_ddr(tp->dev_id, queue_id, ops_enq, num_ops, preload); } start_time = rte_rdtsc_precise(); 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 */ while (deq < enq) { deq += rte_bbdev_dequeue_ldpc_dec_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq); } total_time += rte_rdtsc_precise() - start_time; } tp->iter_count = 0; tp->iter_average = 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); tp->iter_average += (double) ops_enq[i]->ldpc_dec.iter_count; if (ops_enq[i]->status & (1 << RTE_BBDEV_SYNDROME_ERROR)) parity_bler += 1.0; } parity_bler /= num_ops; /* This one is based on SYND */ tp->iter_average /= num_ops; tp->bler = (double) validate_ldpc_bler(ops_deq, num_ops) / num_ops; if (test_vector.op_type != RTE_BBDEV_OP_NONE && tp->bler == 0 && parity_bler == 0 && !hc_out) { ret = validate_ldpc_dec_op(ops_deq, num_ops, ref_op, tp->op_params->vector_mask); TEST_ASSERT_SUCCESS(ret, "Validation failed!"); } rte_bbdev_dec_op_free_bulk(ops_enq, num_ops); double tb_len_bits = calc_ldpc_dec_TB_size(ref_op); tp->ops_per_sec = ((double)num_ops * 1) / ((double)total_time / (double)rte_get_tsc_hz()); tp->mbps = (((double)(num_ops * 1 * tb_len_bits)) / 1000000.0) / ((double)total_time / (double)rte_get_tsc_hz()); return TEST_SUCCESS; } static int throughput_pmd_lcore_ldpc_dec(void *arg) { struct thread_params *tp = arg; uint16_t enq, deq; uint64_t total_time = 0, start_time; 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; struct test_buffers *bufs = NULL; int i, j, ret; struct rte_bbdev_info info; uint16_t num_to_enq; bool extDdr = check_bit(ldpc_cap_flags, RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE); bool loopback = check_bit(ref_op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK); bool hc_out = check_bit(ref_op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE); TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); 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); 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_bbdev_dec_op_alloc_bulk(tp->op_params->mp, ops_enq, num_ops); TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_ops); /* For throughput tests we need to disable early termination */ if (check_bit(ref_op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE)) ref_op->ldpc_dec.op_flags -= RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE; ref_op->ldpc_dec.iter_max = get_iter_max(); ref_op->ldpc_dec.iter_count = ref_op->ldpc_dec.iter_max; if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_ldpc_dec_op(ops_enq, num_ops, 0, bufs->inputs, bufs->hard_outputs, bufs->soft_outputs, bufs->harq_inputs, bufs->harq_outputs, ref_op); /* Set counter to validate the ordering */ for (j = 0; j < num_ops; ++j) ops_enq[j]->opaque_data = (void *)(uintptr_t)j; for (i = 0; i < TEST_REPETITIONS; ++i) { for (j = 0; j < num_ops; ++j) { if (!loopback) mbuf_reset( ops_enq[j]->ldpc_dec.hard_output.data); if (hc_out || loopback) mbuf_reset( ops_enq[j]->ldpc_dec.harq_combined_output.data); } if (extDdr) { bool preload = i == (TEST_REPETITIONS - 1); preload_harq_ddr(tp->dev_id, queue_id, ops_enq, num_ops, preload); } start_time = rte_rdtsc_precise(); 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 */ while (deq < enq) { deq += rte_bbdev_dequeue_ldpc_dec_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq); } total_time += rte_rdtsc_precise() - start_time; } 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); } if (extDdr) { /* Read loopback is not thread safe */ retrieve_harq_ddr(tp->dev_id, queue_id, ops_enq, num_ops); } if (test_vector.op_type != RTE_BBDEV_OP_NONE) { ret = validate_ldpc_dec_op(ops_deq, num_ops, ref_op, tp->op_params->vector_mask); TEST_ASSERT_SUCCESS(ret, "Validation failed!"); } rte_bbdev_dec_op_free_bulk(ops_enq, num_ops); double tb_len_bits = calc_ldpc_dec_TB_size(ref_op); tp->ops_per_sec = ((double)num_ops * TEST_REPETITIONS) / ((double)total_time / (double)rte_get_tsc_hz()); tp->mbps = (((double)(num_ops * TEST_REPETITIONS * tb_len_bits)) / 1000000.0) / ((double)total_time / (double)rte_get_tsc_hz()); return TEST_SUCCESS; } static int throughput_pmd_lcore_enc(void *arg) { struct thread_params *tp = arg; uint16_t enq, deq; uint64_t total_time = 0, start_time; 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; struct test_buffers *bufs = NULL; int i, j, ret; struct rte_bbdev_info info; uint16_t num_to_enq; TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); 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); 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_bbdev_enc_op_alloc_bulk(tp->op_params->mp, ops_enq, num_ops); TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_ops); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_enc_op(ops_enq, num_ops, 0, bufs->inputs, bufs->hard_outputs, ref_op); /* Set counter to validate the ordering */ for (j = 0; j < num_ops; ++j) ops_enq[j]->opaque_data = (void *)(uintptr_t)j; for (i = 0; i < TEST_REPETITIONS; ++i) { if (test_vector.op_type != RTE_BBDEV_OP_NONE) for (j = 0; j < num_ops; ++j) mbuf_reset(ops_enq[j]->turbo_enc.output.data); start_time = rte_rdtsc_precise(); 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_enc_ops(tp->dev_id, queue_id, &ops_enq[enq], num_to_enq); deq += rte_bbdev_dequeue_enc_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq); } /* dequeue the remaining */ while (deq < enq) { deq += rte_bbdev_dequeue_enc_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq); } total_time += rte_rdtsc_precise() - start_time; } if (test_vector.op_type != RTE_BBDEV_OP_NONE) { ret = validate_enc_op(ops_deq, num_ops, ref_op); TEST_ASSERT_SUCCESS(ret, "Validation failed!"); } rte_bbdev_enc_op_free_bulk(ops_enq, num_ops); double tb_len_bits = calc_enc_TB_size(ref_op); tp->ops_per_sec = ((double)num_ops * TEST_REPETITIONS) / ((double)total_time / (double)rte_get_tsc_hz()); tp->mbps = (((double)(num_ops * TEST_REPETITIONS * tb_len_bits)) / 1000000.0) / ((double)total_time / (double)rte_get_tsc_hz()); return TEST_SUCCESS; } static int throughput_pmd_lcore_ldpc_enc(void *arg) { struct thread_params *tp = arg; uint16_t enq, deq; uint64_t total_time = 0, start_time; 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; struct test_buffers *bufs = NULL; int i, j, ret; struct rte_bbdev_info info; uint16_t num_to_enq; TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); 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); 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_bbdev_enc_op_alloc_bulk(tp->op_params->mp, ops_enq, num_ops); TEST_ASSERT_SUCCESS(ret, "Allocation failed for %d ops", num_ops); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_ldpc_enc_op(ops_enq, num_ops, 0, bufs->inputs, bufs->hard_outputs, ref_op); /* Set counter to validate the ordering */ for (j = 0; j < num_ops; ++j) ops_enq[j]->opaque_data = (void *)(uintptr_t)j; for (i = 0; i < TEST_REPETITIONS; ++i) { if (test_vector.op_type != RTE_BBDEV_OP_NONE) for (j = 0; j < num_ops; ++j) mbuf_reset(ops_enq[j]->turbo_enc.output.data); start_time = rte_rdtsc_precise(); 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 */ while (deq < enq) { deq += rte_bbdev_dequeue_ldpc_enc_ops(tp->dev_id, queue_id, &ops_deq[deq], enq - deq); } total_time += rte_rdtsc_precise() - start_time; } if (test_vector.op_type != RTE_BBDEV_OP_NONE) { ret = validate_ldpc_enc_op(ops_deq, num_ops, ref_op); TEST_ASSERT_SUCCESS(ret, "Validation failed!"); } rte_bbdev_enc_op_free_bulk(ops_enq, num_ops); double tb_len_bits = calc_ldpc_enc_TB_size(ref_op); tp->ops_per_sec = ((double)num_ops * TEST_REPETITIONS) / ((double)total_time / (double)rte_get_tsc_hz()); tp->mbps = (((double)(num_ops * TEST_REPETITIONS * tb_len_bits)) / 1000000.0) / ((double)total_time / (double)rte_get_tsc_hz()); return TEST_SUCCESS; } static void print_enc_throughput(struct thread_params *t_params, unsigned int used_cores) { unsigned int iter = 0; double total_mops = 0, total_mbps = 0; for (iter = 0; iter < used_cores; iter++) { printf( "Throughput for core (%u): %.8lg Ops/s, %.8lg Mbps\n", t_params[iter].lcore_id, t_params[iter].ops_per_sec, t_params[iter].mbps); total_mops += t_params[iter].ops_per_sec; total_mbps += t_params[iter].mbps; } printf( "\nTotal throughput for %u cores: %.8lg MOPS, %.8lg Mbps\n", used_cores, total_mops, total_mbps); } /* Aggregate the performance results over the number of cores used */ static void print_dec_throughput(struct thread_params *t_params, unsigned int used_cores) { unsigned int core_idx = 0; double total_mops = 0, total_mbps = 0; uint8_t iter_count = 0; for (core_idx = 0; core_idx < used_cores; core_idx++) { printf( "Throughput for core (%u): %.8lg Ops/s, %.8lg Mbps @ max %u iterations\n", t_params[core_idx].lcore_id, t_params[core_idx].ops_per_sec, t_params[core_idx].mbps, t_params[core_idx].iter_count); total_mops += t_params[core_idx].ops_per_sec; total_mbps += t_params[core_idx].mbps; iter_count = RTE_MAX(iter_count, t_params[core_idx].iter_count); } printf( "\nTotal throughput for %u cores: %.8lg MOPS, %.8lg Mbps @ max %u iterations\n", used_cores, total_mops, total_mbps, iter_count); } /* Aggregate the performance results over the number of cores used */ static void print_dec_bler(struct thread_params *t_params, unsigned int used_cores) { unsigned int core_idx = 0; double total_mbps = 0, total_bler = 0, total_iter = 0; double snr = get_snr(); for (core_idx = 0; core_idx < used_cores; core_idx++) { printf("Core%u BLER %.1f %% - Iters %.1f - Tp %.1f Mbps %s\n", t_params[core_idx].lcore_id, t_params[core_idx].bler * 100, t_params[core_idx].iter_average, t_params[core_idx].mbps, get_vector_filename()); total_mbps += t_params[core_idx].mbps; total_bler += t_params[core_idx].bler; total_iter += t_params[core_idx].iter_average; } total_bler /= used_cores; total_iter /= used_cores; printf("SNR %.2f BLER %.1f %% - Iterations %.1f %d - Tp %.1f Mbps %s\n", snr, total_bler * 100, total_iter, get_iter_max(), total_mbps, get_vector_filename()); } /* * Test function that determines BLER wireless performance */ static int bler_test(struct active_device *ad, struct test_op_params *op_params) { int ret; unsigned int lcore_id, used_cores = 0; struct thread_params *t_params; struct rte_bbdev_info info; lcore_function_t *bler_function; uint16_t num_lcores; const char *op_type_str; rte_bbdev_info_get(ad->dev_id, &info); op_type_str = rte_bbdev_op_type_str(test_vector.op_type); TEST_ASSERT_NOT_NULL(op_type_str, "Invalid op type: %u", test_vector.op_type); printf("+ ------------------------------------------------------- +\n"); printf("== test: bler\ndev: %s, nb_queues: %u, burst size: %u, num ops: %u, num_lcores: %u, op type: %s, itr mode: %s, GHz: %lg\n", info.dev_name, ad->nb_queues, op_params->burst_sz, op_params->num_to_process, op_params->num_lcores, op_type_str, intr_enabled ? "Interrupt mode" : "PMD mode", (double)rte_get_tsc_hz() / 1000000000.0); /* 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 */ 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)); if (test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC) bler_function = bler_pmd_lcore_ldpc_dec; else return TEST_SKIPPED; 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 = rte_lcore_id(); t_params[0].op_params = op_params; t_params[0].queue_id = ad->queue_ids[used_cores++]; t_params[0].iter_count = 0; RTE_LCORE_FOREACH_SLAVE(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; rte_eal_remote_launch(bler_function, &t_params[used_cores++], lcore_id); } rte_atomic16_set(&op_params->sync, SYNC_START); ret = bler_function(&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); print_dec_bler(t_params, num_lcores); /* Return if test failed */ if (ret) { rte_free(t_params); return ret; } /* Function to print something here*/ rte_free(t_params); return ret; } /* * Test function that determines how long an enqueue + dequeue of a burst * takes on available lcores. */ static int throughput_test(struct active_device *ad, struct test_op_params *op_params) { int ret; unsigned int lcore_id, used_cores = 0; struct thread_params *t_params, *tp; struct rte_bbdev_info info; lcore_function_t *throughput_function; uint16_t num_lcores; const char *op_type_str; rte_bbdev_info_get(ad->dev_id, &info); op_type_str = rte_bbdev_op_type_str(test_vector.op_type); TEST_ASSERT_NOT_NULL(op_type_str, "Invalid op type: %u", test_vector.op_type); printf("+ ------------------------------------------------------- +\n"); printf("== test: throughput\ndev: %s, nb_queues: %u, burst size: %u, num ops: %u, num_lcores: %u, op type: %s, itr mode: %s, GHz: %lg\n", info.dev_name, ad->nb_queues, op_params->burst_sz, op_params->num_to_process, op_params->num_lcores, op_type_str, intr_enabled ? "Interrupt mode" : "PMD mode", (double)rte_get_tsc_hz() / 1000000000.0); /* 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 */ 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)); if (intr_enabled) { if (test_vector.op_type == RTE_BBDEV_OP_TURBO_DEC) throughput_function = throughput_intr_lcore_dec; else if (test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC) throughput_function = throughput_intr_lcore_ldpc_dec; else if (test_vector.op_type == RTE_BBDEV_OP_TURBO_ENC) throughput_function = throughput_intr_lcore_enc; else if (test_vector.op_type == RTE_BBDEV_OP_LDPC_ENC) throughput_function = throughput_intr_lcore_ldpc_enc; else throughput_function = throughput_intr_lcore_enc; /* Dequeue interrupt callback registration */ ret = rte_bbdev_callback_register(ad->dev_id, RTE_BBDEV_EVENT_DEQUEUE, dequeue_event_callback, t_params); if (ret < 0) { rte_free(t_params); return ret; } } else { if (test_vector.op_type == RTE_BBDEV_OP_TURBO_DEC) throughput_function = throughput_pmd_lcore_dec; else if (test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC) throughput_function = throughput_pmd_lcore_ldpc_dec; else if (test_vector.op_type == RTE_BBDEV_OP_TURBO_ENC) throughput_function = throughput_pmd_lcore_enc; else if (test_vector.op_type == RTE_BBDEV_OP_LDPC_ENC) throughput_function = throughput_pmd_lcore_ldpc_enc; else throughput_function = throughput_pmd_lcore_enc; } 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 = rte_lcore_id(); t_params[0].op_params = op_params; t_params[0].queue_id = ad->queue_ids[used_cores++]; t_params[0].iter_count = 0; RTE_LCORE_FOREACH_SLAVE(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; rte_eal_remote_launch(throughput_function, &t_params[used_cores++], lcore_id); } rte_atomic16_set(&op_params->sync, SYNC_START); ret = throughput_function(&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) { rte_free(t_params); return ret; } /* Print throughput if interrupts are disabled and test passed */ if (!intr_enabled) { if (test_vector.op_type == RTE_BBDEV_OP_TURBO_DEC || test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC) print_dec_throughput(t_params, num_lcores); else print_enc_throughput(t_params, num_lcores); rte_free(t_params); return ret; } /* In interrupt TC we need to wait for the interrupt callback to deqeue * all pending operations. Skip waiting for queues which reported an * error using processing_status variable. * Wait for master lcore operations. */ tp = &t_params[0]; while ((rte_atomic16_read(&tp->nb_dequeued) < op_params->num_to_process) && (rte_atomic16_read(&tp->processing_status) != TEST_FAILED)) rte_pause(); tp->ops_per_sec /= TEST_REPETITIONS; tp->mbps /= TEST_REPETITIONS; ret |= (int)rte_atomic16_read(&tp->processing_status); /* Wait for slave lcores operations */ for (used_cores = 1; used_cores < num_lcores; used_cores++) { tp = &t_params[used_cores]; while ((rte_atomic16_read(&tp->nb_dequeued) < op_params->num_to_process) && (rte_atomic16_read(&tp->processing_status) != TEST_FAILED)) rte_pause(); tp->ops_per_sec /= TEST_REPETITIONS; tp->mbps /= TEST_REPETITIONS; ret |= (int)rte_atomic16_read(&tp->processing_status); } /* Print throughput if test passed */ if (!ret) { if (test_vector.op_type == RTE_BBDEV_OP_TURBO_DEC || test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC) print_dec_throughput(t_params, num_lcores); else if (test_vector.op_type == RTE_BBDEV_OP_TURBO_ENC || test_vector.op_type == RTE_BBDEV_OP_LDPC_ENC) print_enc_throughput(t_params, num_lcores); } rte_free(t_params); return ret; } static int latency_test_dec(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_dec_op *ref_op, int vector_mask, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, uint64_t *total_time, uint64_t *min_time, uint64_t *max_time) { int ret = TEST_SUCCESS; uint16_t i, j, dequeued; struct rte_bbdev_dec_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; uint64_t start_time = 0, last_time = 0; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; bool first_time = true; last_time = 0; if (unlikely(num_to_process - dequeued < burst_sz)) burst_sz = num_to_process - dequeued; ret = rte_bbdev_dec_op_alloc_bulk(mempool, ops_enq, burst_sz); TEST_ASSERT_SUCCESS(ret, "rte_bbdev_dec_op_alloc_bulk() failed"); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_dec_op(ops_enq, burst_sz, dequeued, bufs->inputs, bufs->hard_outputs, bufs->soft_outputs, ref_op); /* Set counter to validate the ordering */ for (j = 0; j < burst_sz; ++j) ops_enq[j]->opaque_data = (void *)(uintptr_t)j; start_time = rte_rdtsc_precise(); enq = rte_bbdev_enqueue_dec_ops(dev_id, queue_id, &ops_enq[enq], burst_sz); TEST_ASSERT(enq == burst_sz, "Error enqueueing burst, expected %u, got %u", burst_sz, enq); /* Dequeue */ do { deq += rte_bbdev_dequeue_dec_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); if (likely(first_time && (deq > 0))) { last_time = rte_rdtsc_precise() - start_time; first_time = false; } } while (unlikely(burst_sz != deq)); *max_time = RTE_MAX(*max_time, last_time); *min_time = RTE_MIN(*min_time, last_time); *total_time += last_time; if (test_vector.op_type != RTE_BBDEV_OP_NONE) { ret = validate_dec_op(ops_deq, burst_sz, ref_op, vector_mask); TEST_ASSERT_SUCCESS(ret, "Validation failed!"); } rte_bbdev_dec_op_free_bulk(ops_enq, deq); dequeued += deq; } return i; } static int latency_test_ldpc_dec(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_dec_op *ref_op, int vector_mask, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, uint64_t *total_time, uint64_t *min_time, uint64_t *max_time) { int ret = TEST_SUCCESS; uint16_t i, j, dequeued; struct rte_bbdev_dec_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; uint64_t start_time = 0, last_time = 0; bool extDdr = ldpc_cap_flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; bool first_time = true; last_time = 0; if (unlikely(num_to_process - dequeued < burst_sz)) burst_sz = num_to_process - dequeued; ret = rte_bbdev_dec_op_alloc_bulk(mempool, ops_enq, burst_sz); TEST_ASSERT_SUCCESS(ret, "rte_bbdev_dec_op_alloc_bulk() failed"); /* For latency tests we need to disable early termination */ if (check_bit(ref_op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE)) ref_op->ldpc_dec.op_flags -= RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE; ref_op->ldpc_dec.iter_max = get_iter_max(); ref_op->ldpc_dec.iter_count = ref_op->ldpc_dec.iter_max; if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_ldpc_dec_op(ops_enq, burst_sz, dequeued, bufs->inputs, bufs->hard_outputs, bufs->soft_outputs, bufs->harq_inputs, bufs->harq_outputs, ref_op); if (extDdr) preload_harq_ddr(dev_id, queue_id, ops_enq, burst_sz, true); /* Set counter to validate the ordering */ for (j = 0; j < burst_sz; ++j) ops_enq[j]->opaque_data = (void *)(uintptr_t)j; start_time = rte_rdtsc_precise(); enq = rte_bbdev_enqueue_ldpc_dec_ops(dev_id, queue_id, &ops_enq[enq], burst_sz); TEST_ASSERT(enq == burst_sz, "Error enqueueing burst, expected %u, got %u", burst_sz, enq); /* Dequeue */ do { deq += rte_bbdev_dequeue_ldpc_dec_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); if (likely(first_time && (deq > 0))) { last_time = rte_rdtsc_precise() - start_time; first_time = false; } } while (unlikely(burst_sz != deq)); *max_time = RTE_MAX(*max_time, last_time); *min_time = RTE_MIN(*min_time, last_time); *total_time += last_time; if (extDdr) retrieve_harq_ddr(dev_id, queue_id, ops_enq, burst_sz); if (test_vector.op_type != RTE_BBDEV_OP_NONE) { ret = validate_ldpc_dec_op(ops_deq, burst_sz, ref_op, vector_mask); TEST_ASSERT_SUCCESS(ret, "Validation failed!"); } rte_bbdev_dec_op_free_bulk(ops_enq, deq); dequeued += deq; } return i; } static int latency_test_enc(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_enc_op *ref_op, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, uint64_t *total_time, uint64_t *min_time, uint64_t *max_time) { int ret = TEST_SUCCESS; uint16_t i, j, dequeued; struct rte_bbdev_enc_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; uint64_t start_time = 0, last_time = 0; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; bool first_time = true; last_time = 0; if (unlikely(num_to_process - dequeued < burst_sz)) burst_sz = num_to_process - dequeued; ret = rte_bbdev_enc_op_alloc_bulk(mempool, ops_enq, burst_sz); TEST_ASSERT_SUCCESS(ret, "rte_bbdev_enc_op_alloc_bulk() failed"); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_enc_op(ops_enq, burst_sz, dequeued, bufs->inputs, bufs->hard_outputs, ref_op); /* Set counter to validate the ordering */ for (j = 0; j < burst_sz; ++j) ops_enq[j]->opaque_data = (void *)(uintptr_t)j; start_time = rte_rdtsc_precise(); enq = rte_bbdev_enqueue_enc_ops(dev_id, queue_id, &ops_enq[enq], burst_sz); TEST_ASSERT(enq == burst_sz, "Error enqueueing burst, expected %u, got %u", burst_sz, enq); /* Dequeue */ do { deq += rte_bbdev_dequeue_enc_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); if (likely(first_time && (deq > 0))) { last_time += rte_rdtsc_precise() - start_time; first_time = false; } } while (unlikely(burst_sz != deq)); *max_time = RTE_MAX(*max_time, last_time); *min_time = RTE_MIN(*min_time, last_time); *total_time += last_time; if (test_vector.op_type != RTE_BBDEV_OP_NONE) { ret = validate_enc_op(ops_deq, burst_sz, ref_op); TEST_ASSERT_SUCCESS(ret, "Validation failed!"); } rte_bbdev_enc_op_free_bulk(ops_enq, deq); dequeued += deq; } return i; } static int latency_test_ldpc_enc(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_enc_op *ref_op, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, uint64_t *total_time, uint64_t *min_time, uint64_t *max_time) { int ret = TEST_SUCCESS; uint16_t i, j, dequeued; struct rte_bbdev_enc_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; uint64_t start_time = 0, last_time = 0; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; bool first_time = true; last_time = 0; if (unlikely(num_to_process - dequeued < burst_sz)) burst_sz = num_to_process - dequeued; ret = rte_bbdev_enc_op_alloc_bulk(mempool, ops_enq, burst_sz); TEST_ASSERT_SUCCESS(ret, "rte_bbdev_enc_op_alloc_bulk() failed"); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_ldpc_enc_op(ops_enq, burst_sz, dequeued, bufs->inputs, bufs->hard_outputs, ref_op); /* Set counter to validate the ordering */ for (j = 0; j < burst_sz; ++j) ops_enq[j]->opaque_data = (void *)(uintptr_t)j; start_time = rte_rdtsc_precise(); enq = rte_bbdev_enqueue_ldpc_enc_ops(dev_id, queue_id, &ops_enq[enq], burst_sz); TEST_ASSERT(enq == burst_sz, "Error enqueueing burst, expected %u, got %u", burst_sz, enq); /* Dequeue */ do { deq += rte_bbdev_dequeue_ldpc_enc_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); if (likely(first_time && (deq > 0))) { last_time += rte_rdtsc_precise() - start_time; first_time = false; } } while (unlikely(burst_sz != deq)); *max_time = RTE_MAX(*max_time, last_time); *min_time = RTE_MIN(*min_time, last_time); *total_time += last_time; if (test_vector.op_type != RTE_BBDEV_OP_NONE) { ret = validate_enc_op(ops_deq, burst_sz, ref_op); TEST_ASSERT_SUCCESS(ret, "Validation failed!"); } rte_bbdev_enc_op_free_bulk(ops_enq, deq); dequeued += deq; } return i; } static int latency_test(struct active_device *ad, struct test_op_params *op_params) { int iter; uint16_t burst_sz = op_params->burst_sz; const uint16_t num_to_process = op_params->num_to_process; const enum rte_bbdev_op_type op_type = test_vector.op_type; const uint16_t queue_id = ad->queue_ids[0]; struct test_buffers *bufs = NULL; struct rte_bbdev_info info; uint64_t total_time, min_time, max_time; const char *op_type_str; total_time = max_time = 0; min_time = UINT64_MAX; TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); rte_bbdev_info_get(ad->dev_id, &info); bufs = &op_params->q_bufs[GET_SOCKET(info.socket_id)][queue_id]; op_type_str = rte_bbdev_op_type_str(op_type); TEST_ASSERT_NOT_NULL(op_type_str, "Invalid op type: %u", op_type); printf("+ ------------------------------------------------------- +\n"); printf("== test: validation/latency\ndev: %s, burst size: %u, num ops: %u, op type: %s\n", info.dev_name, burst_sz, num_to_process, op_type_str); if (op_type == RTE_BBDEV_OP_TURBO_DEC) iter = latency_test_dec(op_params->mp, bufs, op_params->ref_dec_op, op_params->vector_mask, ad->dev_id, queue_id, num_to_process, burst_sz, &total_time, &min_time, &max_time); else if (op_type == RTE_BBDEV_OP_TURBO_ENC) iter = latency_test_enc(op_params->mp, bufs, op_params->ref_enc_op, ad->dev_id, queue_id, num_to_process, burst_sz, &total_time, &min_time, &max_time); else if (op_type == RTE_BBDEV_OP_LDPC_ENC) iter = latency_test_ldpc_enc(op_params->mp, bufs, op_params->ref_enc_op, ad->dev_id, queue_id, num_to_process, burst_sz, &total_time, &min_time, &max_time); else if (op_type == RTE_BBDEV_OP_LDPC_DEC) iter = latency_test_ldpc_dec(op_params->mp, bufs, op_params->ref_dec_op, op_params->vector_mask, ad->dev_id, queue_id, num_to_process, burst_sz, &total_time, &min_time, &max_time); else iter = latency_test_enc(op_params->mp, bufs, op_params->ref_enc_op, ad->dev_id, queue_id, num_to_process, burst_sz, &total_time, &min_time, &max_time); if (iter <= 0) return TEST_FAILED; printf("Operation latency:\n" "\tavg: %lg cycles, %lg us\n" "\tmin: %lg cycles, %lg us\n" "\tmax: %lg cycles, %lg us\n", (double)total_time / (double)iter, (double)(total_time * 1000000) / (double)iter / (double)rte_get_tsc_hz(), (double)min_time, (double)(min_time * 1000000) / (double)rte_get_tsc_hz(), (double)max_time, (double)(max_time * 1000000) / (double)rte_get_tsc_hz()); return TEST_SUCCESS; } #ifdef RTE_BBDEV_OFFLOAD_COST static int get_bbdev_queue_stats(uint16_t dev_id, uint16_t queue_id, struct rte_bbdev_stats *stats) { struct rte_bbdev *dev = &rte_bbdev_devices[dev_id]; struct rte_bbdev_stats *q_stats; if (queue_id >= dev->data->num_queues) return -1; q_stats = &dev->data->queues[queue_id].queue_stats; stats->enqueued_count = q_stats->enqueued_count; stats->dequeued_count = q_stats->dequeued_count; stats->enqueue_err_count = q_stats->enqueue_err_count; stats->dequeue_err_count = q_stats->dequeue_err_count; stats->acc_offload_cycles = q_stats->acc_offload_cycles; return 0; } static int offload_latency_test_dec(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_dec_op *ref_op, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, struct test_time_stats *time_st) { int i, dequeued, ret; struct rte_bbdev_dec_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; uint64_t enq_start_time, deq_start_time; uint64_t enq_sw_last_time, deq_last_time; struct rte_bbdev_stats stats; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; if (unlikely(num_to_process - dequeued < burst_sz)) burst_sz = num_to_process - dequeued; rte_bbdev_dec_op_alloc_bulk(mempool, ops_enq, burst_sz); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_dec_op(ops_enq, burst_sz, dequeued, bufs->inputs, bufs->hard_outputs, bufs->soft_outputs, ref_op); /* Start time meas for enqueue function offload latency */ enq_start_time = rte_rdtsc_precise(); do { enq += rte_bbdev_enqueue_dec_ops(dev_id, queue_id, &ops_enq[enq], burst_sz - enq); } while (unlikely(burst_sz != enq)); ret = get_bbdev_queue_stats(dev_id, queue_id, &stats); TEST_ASSERT_SUCCESS(ret, "Failed to get stats for queue (%u) of device (%u)", queue_id, dev_id); enq_sw_last_time = rte_rdtsc_precise() - enq_start_time - stats.acc_offload_cycles; time_st->enq_sw_max_time = RTE_MAX(time_st->enq_sw_max_time, enq_sw_last_time); time_st->enq_sw_min_time = RTE_MIN(time_st->enq_sw_min_time, enq_sw_last_time); time_st->enq_sw_total_time += enq_sw_last_time; time_st->enq_acc_max_time = RTE_MAX(time_st->enq_acc_max_time, stats.acc_offload_cycles); time_st->enq_acc_min_time = RTE_MIN(time_st->enq_acc_min_time, stats.acc_offload_cycles); time_st->enq_acc_total_time += stats.acc_offload_cycles; /* give time for device to process ops */ rte_delay_us(200); /* Start time meas for dequeue function offload latency */ deq_start_time = rte_rdtsc_precise(); /* Dequeue one operation */ do { deq += rte_bbdev_dequeue_dec_ops(dev_id, queue_id, &ops_deq[deq], 1); } while (unlikely(deq != 1)); deq_last_time = rte_rdtsc_precise() - deq_start_time; time_st->deq_max_time = RTE_MAX(time_st->deq_max_time, deq_last_time); time_st->deq_min_time = RTE_MIN(time_st->deq_min_time, deq_last_time); time_st->deq_total_time += deq_last_time; /* Dequeue remaining operations if needed*/ while (burst_sz != deq) deq += rte_bbdev_dequeue_dec_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); rte_bbdev_dec_op_free_bulk(ops_enq, deq); dequeued += deq; } return i; } static int offload_latency_test_ldpc_dec(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_dec_op *ref_op, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, struct test_time_stats *time_st) { int i, dequeued, ret; struct rte_bbdev_dec_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; uint64_t enq_start_time, deq_start_time; uint64_t enq_sw_last_time, deq_last_time; struct rte_bbdev_stats stats; bool extDdr = ldpc_cap_flags & RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; if (unlikely(num_to_process - dequeued < burst_sz)) burst_sz = num_to_process - dequeued; rte_bbdev_dec_op_alloc_bulk(mempool, ops_enq, burst_sz); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_ldpc_dec_op(ops_enq, burst_sz, dequeued, bufs->inputs, bufs->hard_outputs, bufs->soft_outputs, bufs->harq_inputs, bufs->harq_outputs, ref_op); if (extDdr) preload_harq_ddr(dev_id, queue_id, ops_enq, burst_sz, true); /* Start time meas for enqueue function offload latency */ enq_start_time = rte_rdtsc_precise(); do { enq += rte_bbdev_enqueue_ldpc_dec_ops(dev_id, queue_id, &ops_enq[enq], burst_sz - enq); } while (unlikely(burst_sz != enq)); enq_sw_last_time = rte_rdtsc_precise() - enq_start_time; ret = get_bbdev_queue_stats(dev_id, queue_id, &stats); TEST_ASSERT_SUCCESS(ret, "Failed to get stats for queue (%u) of device (%u)", queue_id, dev_id); enq_sw_last_time -= stats.acc_offload_cycles; time_st->enq_sw_max_time = RTE_MAX(time_st->enq_sw_max_time, enq_sw_last_time); time_st->enq_sw_min_time = RTE_MIN(time_st->enq_sw_min_time, enq_sw_last_time); time_st->enq_sw_total_time += enq_sw_last_time; time_st->enq_acc_max_time = RTE_MAX(time_st->enq_acc_max_time, stats.acc_offload_cycles); time_st->enq_acc_min_time = RTE_MIN(time_st->enq_acc_min_time, stats.acc_offload_cycles); time_st->enq_acc_total_time += stats.acc_offload_cycles; /* give time for device to process ops */ rte_delay_us(200); /* Start time meas for dequeue function offload latency */ deq_start_time = rte_rdtsc_precise(); /* Dequeue one operation */ do { deq += rte_bbdev_dequeue_ldpc_dec_ops(dev_id, queue_id, &ops_deq[deq], 1); } while (unlikely(deq != 1)); deq_last_time = rte_rdtsc_precise() - deq_start_time; time_st->deq_max_time = RTE_MAX(time_st->deq_max_time, deq_last_time); time_st->deq_min_time = RTE_MIN(time_st->deq_min_time, deq_last_time); time_st->deq_total_time += deq_last_time; /* Dequeue remaining operations if needed*/ while (burst_sz != deq) deq += rte_bbdev_dequeue_ldpc_dec_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); if (extDdr) { /* Read loopback is not thread safe */ retrieve_harq_ddr(dev_id, queue_id, ops_enq, burst_sz); } rte_bbdev_dec_op_free_bulk(ops_enq, deq); dequeued += deq; } return i; } static int offload_latency_test_enc(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_enc_op *ref_op, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, struct test_time_stats *time_st) { int i, dequeued, ret; struct rte_bbdev_enc_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; uint64_t enq_start_time, deq_start_time; uint64_t enq_sw_last_time, deq_last_time; struct rte_bbdev_stats stats; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; if (unlikely(num_to_process - dequeued < burst_sz)) burst_sz = num_to_process - dequeued; ret = rte_bbdev_enc_op_alloc_bulk(mempool, ops_enq, burst_sz); TEST_ASSERT_SUCCESS(ret, "rte_bbdev_enc_op_alloc_bulk() failed"); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_enc_op(ops_enq, burst_sz, dequeued, bufs->inputs, bufs->hard_outputs, ref_op); /* Start time meas for enqueue function offload latency */ enq_start_time = rte_rdtsc_precise(); do { enq += rte_bbdev_enqueue_enc_ops(dev_id, queue_id, &ops_enq[enq], burst_sz - enq); } while (unlikely(burst_sz != enq)); enq_sw_last_time = rte_rdtsc_precise() - enq_start_time; ret = get_bbdev_queue_stats(dev_id, queue_id, &stats); TEST_ASSERT_SUCCESS(ret, "Failed to get stats for queue (%u) of device (%u)", queue_id, dev_id); enq_sw_last_time -= stats.acc_offload_cycles; time_st->enq_sw_max_time = RTE_MAX(time_st->enq_sw_max_time, enq_sw_last_time); time_st->enq_sw_min_time = RTE_MIN(time_st->enq_sw_min_time, enq_sw_last_time); time_st->enq_sw_total_time += enq_sw_last_time; time_st->enq_acc_max_time = RTE_MAX(time_st->enq_acc_max_time, stats.acc_offload_cycles); time_st->enq_acc_min_time = RTE_MIN(time_st->enq_acc_min_time, stats.acc_offload_cycles); time_st->enq_acc_total_time += stats.acc_offload_cycles; /* give time for device to process ops */ rte_delay_us(200); /* Start time meas for dequeue function offload latency */ deq_start_time = rte_rdtsc_precise(); /* Dequeue one operation */ do { deq += rte_bbdev_dequeue_enc_ops(dev_id, queue_id, &ops_deq[deq], 1); } while (unlikely(deq != 1)); deq_last_time = rte_rdtsc_precise() - deq_start_time; time_st->deq_max_time = RTE_MAX(time_st->deq_max_time, deq_last_time); time_st->deq_min_time = RTE_MIN(time_st->deq_min_time, deq_last_time); time_st->deq_total_time += deq_last_time; while (burst_sz != deq) deq += rte_bbdev_dequeue_enc_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); rte_bbdev_enc_op_free_bulk(ops_enq, deq); dequeued += deq; } return i; } static int offload_latency_test_ldpc_enc(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_enc_op *ref_op, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, struct test_time_stats *time_st) { int i, dequeued, ret; struct rte_bbdev_enc_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; uint64_t enq_start_time, deq_start_time; uint64_t enq_sw_last_time, deq_last_time; struct rte_bbdev_stats stats; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; if (unlikely(num_to_process - dequeued < burst_sz)) burst_sz = num_to_process - dequeued; ret = rte_bbdev_enc_op_alloc_bulk(mempool, ops_enq, burst_sz); TEST_ASSERT_SUCCESS(ret, "rte_bbdev_enc_op_alloc_bulk() failed"); if (test_vector.op_type != RTE_BBDEV_OP_NONE) copy_reference_ldpc_enc_op(ops_enq, burst_sz, dequeued, bufs->inputs, bufs->hard_outputs, ref_op); /* Start time meas for enqueue function offload latency */ enq_start_time = rte_rdtsc_precise(); do { enq += rte_bbdev_enqueue_ldpc_enc_ops(dev_id, queue_id, &ops_enq[enq], burst_sz - enq); } while (unlikely(burst_sz != enq)); enq_sw_last_time = rte_rdtsc_precise() - enq_start_time; ret = get_bbdev_queue_stats(dev_id, queue_id, &stats); TEST_ASSERT_SUCCESS(ret, "Failed to get stats for queue (%u) of device (%u)", queue_id, dev_id); enq_sw_last_time -= stats.acc_offload_cycles; time_st->enq_sw_max_time = RTE_MAX(time_st->enq_sw_max_time, enq_sw_last_time); time_st->enq_sw_min_time = RTE_MIN(time_st->enq_sw_min_time, enq_sw_last_time); time_st->enq_sw_total_time += enq_sw_last_time; time_st->enq_acc_max_time = RTE_MAX(time_st->enq_acc_max_time, stats.acc_offload_cycles); time_st->enq_acc_min_time = RTE_MIN(time_st->enq_acc_min_time, stats.acc_offload_cycles); time_st->enq_acc_total_time += stats.acc_offload_cycles; /* give time for device to process ops */ rte_delay_us(200); /* Start time meas for dequeue function offload latency */ deq_start_time = rte_rdtsc_precise(); /* Dequeue one operation */ do { deq += rte_bbdev_dequeue_ldpc_enc_ops(dev_id, queue_id, &ops_deq[deq], 1); } while (unlikely(deq != 1)); deq_last_time = rte_rdtsc_precise() - deq_start_time; time_st->deq_max_time = RTE_MAX(time_st->deq_max_time, deq_last_time); time_st->deq_min_time = RTE_MIN(time_st->deq_min_time, deq_last_time); time_st->deq_total_time += deq_last_time; while (burst_sz != deq) deq += rte_bbdev_dequeue_ldpc_enc_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); rte_bbdev_enc_op_free_bulk(ops_enq, deq); dequeued += deq; } return i; } #endif static int offload_cost_test(struct active_device *ad, struct test_op_params *op_params) { #ifndef RTE_BBDEV_OFFLOAD_COST RTE_SET_USED(ad); RTE_SET_USED(op_params); printf("Offload latency test is disabled.\n"); printf("Set RTE_BBDEV_OFFLOAD_COST to 'y' to turn the test on.\n"); return TEST_SKIPPED; #else int iter; uint16_t burst_sz = op_params->burst_sz; const uint16_t num_to_process = op_params->num_to_process; const enum rte_bbdev_op_type op_type = test_vector.op_type; const uint16_t queue_id = ad->queue_ids[0]; struct test_buffers *bufs = NULL; struct rte_bbdev_info info; const char *op_type_str; struct test_time_stats time_st; memset(&time_st, 0, sizeof(struct test_time_stats)); time_st.enq_sw_min_time = UINT64_MAX; time_st.enq_acc_min_time = UINT64_MAX; time_st.deq_min_time = UINT64_MAX; TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); rte_bbdev_info_get(ad->dev_id, &info); bufs = &op_params->q_bufs[GET_SOCKET(info.socket_id)][queue_id]; op_type_str = rte_bbdev_op_type_str(op_type); TEST_ASSERT_NOT_NULL(op_type_str, "Invalid op type: %u", op_type); printf("+ ------------------------------------------------------- +\n"); printf("== test: offload latency test\ndev: %s, burst size: %u, num ops: %u, op type: %s\n", info.dev_name, burst_sz, num_to_process, op_type_str); if (op_type == RTE_BBDEV_OP_TURBO_DEC) iter = offload_latency_test_dec(op_params->mp, bufs, op_params->ref_dec_op, ad->dev_id, queue_id, num_to_process, burst_sz, &time_st); else if (op_type == RTE_BBDEV_OP_TURBO_ENC) iter = offload_latency_test_enc(op_params->mp, bufs, op_params->ref_enc_op, ad->dev_id, queue_id, num_to_process, burst_sz, &time_st); else if (op_type == RTE_BBDEV_OP_LDPC_ENC) iter = offload_latency_test_ldpc_enc(op_params->mp, bufs, op_params->ref_enc_op, ad->dev_id, queue_id, num_to_process, burst_sz, &time_st); else if (op_type == RTE_BBDEV_OP_LDPC_DEC) iter = offload_latency_test_ldpc_dec(op_params->mp, bufs, op_params->ref_dec_op, ad->dev_id, queue_id, num_to_process, burst_sz, &time_st); else iter = offload_latency_test_enc(op_params->mp, bufs, op_params->ref_enc_op, ad->dev_id, queue_id, num_to_process, burst_sz, &time_st); if (iter <= 0) return TEST_FAILED; printf("Enqueue driver offload cost latency:\n" "\tavg: %lg cycles, %lg us\n" "\tmin: %lg cycles, %lg us\n" "\tmax: %lg cycles, %lg us\n" "Enqueue accelerator offload cost latency:\n" "\tavg: %lg cycles, %lg us\n" "\tmin: %lg cycles, %lg us\n" "\tmax: %lg cycles, %lg us\n", (double)time_st.enq_sw_total_time / (double)iter, (double)(time_st.enq_sw_total_time * 1000000) / (double)iter / (double)rte_get_tsc_hz(), (double)time_st.enq_sw_min_time, (double)(time_st.enq_sw_min_time * 1000000) / rte_get_tsc_hz(), (double)time_st.enq_sw_max_time, (double)(time_st.enq_sw_max_time * 1000000) / rte_get_tsc_hz(), (double)time_st.enq_acc_total_time / (double)iter, (double)(time_st.enq_acc_total_time * 1000000) / (double)iter / (double)rte_get_tsc_hz(), (double)time_st.enq_acc_min_time, (double)(time_st.enq_acc_min_time * 1000000) / rte_get_tsc_hz(), (double)time_st.enq_acc_max_time, (double)(time_st.enq_acc_max_time * 1000000) / rte_get_tsc_hz()); printf("Dequeue offload cost latency - one op:\n" "\tavg: %lg cycles, %lg us\n" "\tmin: %lg cycles, %lg us\n" "\tmax: %lg cycles, %lg us\n", (double)time_st.deq_total_time / (double)iter, (double)(time_st.deq_total_time * 1000000) / (double)iter / (double)rte_get_tsc_hz(), (double)time_st.deq_min_time, (double)(time_st.deq_min_time * 1000000) / rte_get_tsc_hz(), (double)time_st.deq_max_time, (double)(time_st.deq_max_time * 1000000) / rte_get_tsc_hz()); return TEST_SUCCESS; #endif } #ifdef RTE_BBDEV_OFFLOAD_COST static int offload_latency_empty_q_test_dec(uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, uint64_t *deq_total_time, uint64_t *deq_min_time, uint64_t *deq_max_time, const enum rte_bbdev_op_type op_type) { int i, deq_total; struct rte_bbdev_dec_op *ops[MAX_BURST]; uint64_t deq_start_time, deq_last_time; /* Test deq offload latency from an empty queue */ for (i = 0, deq_total = 0; deq_total < num_to_process; ++i, deq_total += burst_sz) { deq_start_time = rte_rdtsc_precise(); if (unlikely(num_to_process - deq_total < burst_sz)) burst_sz = num_to_process - deq_total; if (op_type == RTE_BBDEV_OP_LDPC_DEC) rte_bbdev_dequeue_ldpc_dec_ops(dev_id, queue_id, ops, burst_sz); else rte_bbdev_dequeue_dec_ops(dev_id, queue_id, ops, burst_sz); deq_last_time = rte_rdtsc_precise() - deq_start_time; *deq_max_time = RTE_MAX(*deq_max_time, deq_last_time); *deq_min_time = RTE_MIN(*deq_min_time, deq_last_time); *deq_total_time += deq_last_time; } return i; } static int offload_latency_empty_q_test_enc(uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, uint64_t *deq_total_time, uint64_t *deq_min_time, uint64_t *deq_max_time, const enum rte_bbdev_op_type op_type) { int i, deq_total; struct rte_bbdev_enc_op *ops[MAX_BURST]; uint64_t deq_start_time, deq_last_time; /* Test deq offload latency from an empty queue */ for (i = 0, deq_total = 0; deq_total < num_to_process; ++i, deq_total += burst_sz) { deq_start_time = rte_rdtsc_precise(); if (unlikely(num_to_process - deq_total < burst_sz)) burst_sz = num_to_process - deq_total; if (op_type == RTE_BBDEV_OP_LDPC_ENC) rte_bbdev_dequeue_ldpc_enc_ops(dev_id, queue_id, ops, burst_sz); else rte_bbdev_dequeue_enc_ops(dev_id, queue_id, ops, burst_sz); deq_last_time = rte_rdtsc_precise() - deq_start_time; *deq_max_time = RTE_MAX(*deq_max_time, deq_last_time); *deq_min_time = RTE_MIN(*deq_min_time, deq_last_time); *deq_total_time += deq_last_time; } return i; } #endif static int offload_latency_empty_q_test(struct active_device *ad, struct test_op_params *op_params) { #ifndef RTE_BBDEV_OFFLOAD_COST RTE_SET_USED(ad); RTE_SET_USED(op_params); printf("Offload latency empty dequeue test is disabled.\n"); printf("Set RTE_BBDEV_OFFLOAD_COST to 'y' to turn the test on.\n"); return TEST_SKIPPED; #else int iter; uint64_t deq_total_time, deq_min_time, deq_max_time; uint16_t burst_sz = op_params->burst_sz; const uint16_t num_to_process = op_params->num_to_process; const enum rte_bbdev_op_type op_type = test_vector.op_type; const uint16_t queue_id = ad->queue_ids[0]; struct rte_bbdev_info info; const char *op_type_str; deq_total_time = deq_max_time = 0; deq_min_time = UINT64_MAX; TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); rte_bbdev_info_get(ad->dev_id, &info); op_type_str = rte_bbdev_op_type_str(op_type); TEST_ASSERT_NOT_NULL(op_type_str, "Invalid op type: %u", op_type); printf("+ ------------------------------------------------------- +\n"); printf("== test: offload latency empty dequeue\ndev: %s, burst size: %u, num ops: %u, op type: %s\n", info.dev_name, burst_sz, num_to_process, op_type_str); if (op_type == RTE_BBDEV_OP_TURBO_DEC || op_type == RTE_BBDEV_OP_LDPC_DEC) iter = offload_latency_empty_q_test_dec(ad->dev_id, queue_id, num_to_process, burst_sz, &deq_total_time, &deq_min_time, &deq_max_time, op_type); else iter = offload_latency_empty_q_test_enc(ad->dev_id, queue_id, num_to_process, burst_sz, &deq_total_time, &deq_min_time, &deq_max_time, op_type); if (iter <= 0) return TEST_FAILED; printf("Empty dequeue offload:\n" "\tavg: %lg cycles, %lg us\n" "\tmin: %lg cycles, %lg us\n" "\tmax: %lg cycles, %lg us\n", (double)deq_total_time / (double)iter, (double)(deq_total_time * 1000000) / (double)iter / (double)rte_get_tsc_hz(), (double)deq_min_time, (double)(deq_min_time * 1000000) / rte_get_tsc_hz(), (double)deq_max_time, (double)(deq_max_time * 1000000) / rte_get_tsc_hz()); return TEST_SUCCESS; #endif } static int bler_tc(void) { return run_test_case(bler_test); } static int throughput_tc(void) { return run_test_case(throughput_test); } static int offload_cost_tc(void) { return run_test_case(offload_cost_test); } static int offload_latency_empty_q_tc(void) { return run_test_case(offload_latency_empty_q_test); } static int latency_tc(void) { return run_test_case(latency_test); } static int interrupt_tc(void) { return run_test_case(throughput_test); } static struct unit_test_suite bbdev_bler_testsuite = { .suite_name = "BBdev BLER Tests", .setup = testsuite_setup, .teardown = testsuite_teardown, .unit_test_cases = { TEST_CASE_ST(ut_setup, ut_teardown, bler_tc), TEST_CASES_END() /**< NULL terminate unit test array */ } }; static struct unit_test_suite bbdev_throughput_testsuite = { .suite_name = "BBdev Throughput Tests", .setup = testsuite_setup, .teardown = testsuite_teardown, .unit_test_cases = { TEST_CASE_ST(ut_setup, ut_teardown, throughput_tc), TEST_CASES_END() /**< NULL terminate unit test array */ } }; static struct unit_test_suite bbdev_validation_testsuite = { .suite_name = "BBdev Validation Tests", .setup = testsuite_setup, .teardown = testsuite_teardown, .unit_test_cases = { TEST_CASE_ST(ut_setup, ut_teardown, latency_tc), TEST_CASES_END() /**< NULL terminate unit test array */ } }; static struct unit_test_suite bbdev_latency_testsuite = { .suite_name = "BBdev Latency Tests", .setup = testsuite_setup, .teardown = testsuite_teardown, .unit_test_cases = { TEST_CASE_ST(ut_setup, ut_teardown, latency_tc), TEST_CASES_END() /**< NULL terminate unit test array */ } }; static struct unit_test_suite bbdev_offload_cost_testsuite = { .suite_name = "BBdev Offload Cost Tests", .setup = testsuite_setup, .teardown = testsuite_teardown, .unit_test_cases = { TEST_CASE_ST(ut_setup, ut_teardown, offload_cost_tc), TEST_CASE_ST(ut_setup, ut_teardown, offload_latency_empty_q_tc), TEST_CASES_END() /**< NULL terminate unit test array */ } }; static struct unit_test_suite bbdev_interrupt_testsuite = { .suite_name = "BBdev Interrupt Tests", .setup = interrupt_testsuite_setup, .teardown = testsuite_teardown, .unit_test_cases = { TEST_CASE_ST(ut_setup, ut_teardown, interrupt_tc), TEST_CASES_END() /**< NULL terminate unit test array */ } }; REGISTER_TEST_COMMAND(bler, bbdev_bler_testsuite); REGISTER_TEST_COMMAND(throughput, bbdev_throughput_testsuite); REGISTER_TEST_COMMAND(validation, bbdev_validation_testsuite); REGISTER_TEST_COMMAND(latency, bbdev_latency_testsuite); REGISTER_TEST_COMMAND(offload, bbdev_offload_cost_testsuite); REGISTER_TEST_COMMAND(interrupt, bbdev_interrupt_testsuite);