#include <rte_bbdev.h>
#include <rte_bbdev_pmd.h>
+#include <rte_hexdump.h>
+#include <rte_log.h>
+
#ifdef RTE_BBDEV_SDK_AVX2
+#include <ipp.h>
+#include <ipps.h>
#include <phy_turbo.h>
#include <phy_crc.h>
#include <phy_rate_match.h>
#endif
+#ifdef RTE_BBDEV_SDK_AVX512
+#include <bit_reverse.h>
+#include <phy_ldpc_encoder_5gnr.h>
+#include <phy_ldpc_decoder_5gnr.h>
+#include <phy_LDPC_ratematch_5gnr.h>
+#include <phy_rate_dematching_5gnr.h>
+#endif
#define DRIVER_NAME baseband_turbo_sw
enum rte_bbdev_op_type type;
} __rte_cache_aligned;
+
#ifdef RTE_BBDEV_SDK_AVX2
static inline char *
mbuf_append(struct rte_mbuf *m_head, struct rte_mbuf *m, uint16_t len)
RTE_BBDEV_TURBO_MAX_CODE_BLOCKS,
}
},
+#endif
+#ifdef RTE_BBDEV_SDK_AVX512
+ {
+ .type = RTE_BBDEV_OP_LDPC_ENC,
+ .cap.ldpc_enc = {
+ .capability_flags =
+ RTE_BBDEV_LDPC_RATE_MATCH |
+ RTE_BBDEV_LDPC_CRC_24A_ATTACH |
+ RTE_BBDEV_LDPC_CRC_24B_ATTACH,
+ .num_buffers_src =
+ RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
+ .num_buffers_dst =
+ RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
+ }
+ },
+ {
+ .type = RTE_BBDEV_OP_LDPC_DEC,
+ .cap.ldpc_dec = {
+ .capability_flags =
+ RTE_BBDEV_LDPC_CRC_TYPE_24B_CHECK |
+ RTE_BBDEV_LDPC_CRC_TYPE_24A_CHECK |
+ RTE_BBDEV_LDPC_CRC_TYPE_24B_DROP |
+ RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE |
+ RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE |
+ RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE,
+ .llr_size = 8,
+ .llr_decimals = 2,
+ .harq_memory_size = 0,
+ .num_buffers_src =
+ RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
+ .num_buffers_hard_out =
+ RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
+ .num_buffers_soft_out = 0,
+ }
+ },
#endif
RTE_BBDEV_END_OF_CAPABILITIES_LIST()
};
static struct rte_bbdev_queue_conf default_queue_conf = {
.queue_size = RTE_BBDEV_QUEUE_SIZE_LIMIT,
};
-
#ifdef RTE_BBDEV_SDK_AVX2
static const enum rte_cpu_flag_t cpu_flag = RTE_CPUFLAG_SSE4_2;
dev_info->cpu_flag_reqs = &cpu_flag;
#else
dev_info->cpu_flag_reqs = NULL;
#endif
-
default_queue_conf.socket = dev->data->socket_id;
dev_info->driver_name = RTE_STR(DRIVER_NAME);
return -ENAMETOOLONG;
}
q->enc_in = rte_zmalloc_socket(name,
- (RTE_BBDEV_TURBO_MAX_CB_SIZE >> 3) * sizeof(*q->enc_in),
+ (RTE_BBDEV_LDPC_MAX_CB_SIZE >> 3) * sizeof(*q->enc_in),
RTE_CACHE_LINE_SIZE, queue_conf->socket);
if (q->enc_in == NULL) {
rte_bbdev_log(ERR,
goto free_q;
}
- /* Allocate memory for Aplha Gamma temp buffer. */
+ /* Allocate memory for Alpha Gamma temp buffer. */
ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"_ag%u:%u",
dev->data->dev_id, q_id);
if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
};
#ifdef RTE_BBDEV_SDK_AVX2
+#ifdef RTE_LIBRTE_BBDEV_DEBUG
/* Checks if the encoder input buffer is correct.
* Returns 0 if it's valid, -1 otherwise.
*/
return 0;
}
#endif
+#endif
static inline void
process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op,
uint8_t r, uint8_t c, uint16_t k, uint16_t ncb,
uint32_t e, struct rte_mbuf *m_in, struct rte_mbuf *m_out_head,
- struct rte_mbuf *m_out, uint16_t in_offset, uint16_t out_offset,
+ struct rte_mbuf *m_out, uint16_t in_offset, uint16_t out_offset,
uint16_t in_length, struct rte_bbdev_stats *q_stats)
{
#ifdef RTE_BBDEV_SDK_AVX2
+#ifdef RTE_LIBRTE_BBDEV_DEBUG
int ret;
+#else
+ RTE_SET_USED(in_length);
+#endif
int16_t k_idx;
uint16_t m;
uint8_t *in, *out0, *out1, *out2, *tmp_out, *rm_out;
/* CRC24A (for TB) */
if ((enc->op_flags & RTE_BBDEV_TURBO_CRC_24A_ATTACH) &&
(enc->code_block_mode == 1)) {
+#ifdef RTE_LIBRTE_BBDEV_DEBUG
ret = is_enc_input_valid(k - 24, k_idx, in_length);
if (ret != 0) {
op->status |= 1 << RTE_BBDEV_DATA_ERROR;
return;
}
+#endif
+
crc_req.data = in;
crc_req.len = k - 24;
/* Check if there is a room for CRC bits if not use
#endif
} else if (enc->op_flags & RTE_BBDEV_TURBO_CRC_24B_ATTACH) {
/* CRC24B */
+#ifdef RTE_LIBRTE_BBDEV_DEBUG
ret = is_enc_input_valid(k - 24, k_idx, in_length);
if (ret != 0) {
op->status |= 1 << RTE_BBDEV_DATA_ERROR;
return;
}
+#endif
+
crc_req.data = in;
crc_req.len = k - 24;
/* Check if there is a room for CRC bits if this is the last
#ifdef RTE_BBDEV_OFFLOAD_COST
q_stats->acc_offload_cycles += rte_rdtsc_precise() - start_time;
#endif
- } else {
+ }
+#ifdef RTE_LIBRTE_BBDEV_DEBUG
+ else {
ret = is_enc_input_valid(k, k_idx, in_length);
if (ret != 0) {
op->status |= 1 << RTE_BBDEV_DATA_ERROR;
return;
}
}
+#endif
/* Turbo encoder */
#endif
}
+
+static inline void
+process_ldpc_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op,
+ uint32_t e, struct rte_mbuf *m_in, struct rte_mbuf *m_out_head,
+ struct rte_mbuf *m_out, uint16_t in_offset, uint16_t out_offset,
+ uint16_t seg_total_left, struct rte_bbdev_stats *q_stats)
+{
+#ifdef RTE_BBDEV_SDK_AVX512
+ RTE_SET_USED(seg_total_left);
+ uint8_t *in, *rm_out;
+ struct rte_bbdev_op_ldpc_enc *enc = &op->ldpc_enc;
+ struct bblib_ldpc_encoder_5gnr_request ldpc_req;
+ struct bblib_ldpc_encoder_5gnr_response ldpc_resp;
+ struct bblib_LDPC_ratematch_5gnr_request rm_req;
+ struct bblib_LDPC_ratematch_5gnr_response rm_resp;
+ struct bblib_crc_request crc_req;
+ struct bblib_crc_response crc_resp;
+ uint16_t msgLen, puntBits, parity_offset, out_len;
+ uint16_t K = (enc->basegraph == 1 ? 22 : 10) * enc->z_c;
+ uint16_t in_length_in_bits = K - enc->n_filler;
+ uint16_t in_length_in_bytes = (in_length_in_bits + 7) >> 3;
+
+#ifdef RTE_BBDEV_OFFLOAD_COST
+ uint64_t start_time = rte_rdtsc_precise();
+#else
+ RTE_SET_USED(q_stats);
+#endif
+
+ in = rte_pktmbuf_mtod_offset(m_in, uint8_t *, in_offset);
+
+ /* Masking the Filler bits explicitly */
+ memset(q->enc_in + (in_length_in_bytes - 3), 0,
+ ((K + 7) >> 3) - (in_length_in_bytes - 3));
+ /* CRC Generation */
+ if (enc->op_flags & RTE_BBDEV_LDPC_CRC_24A_ATTACH) {
+ rte_memcpy(q->enc_in, in, in_length_in_bytes - 3);
+ crc_req.data = in;
+ crc_req.len = in_length_in_bits - 24;
+ crc_resp.data = q->enc_in;
+ bblib_lte_crc24a_gen(&crc_req, &crc_resp);
+ } else if (enc->op_flags & RTE_BBDEV_LDPC_CRC_24B_ATTACH) {
+ rte_memcpy(q->enc_in, in, in_length_in_bytes - 3);
+ crc_req.data = in;
+ crc_req.len = in_length_in_bits - 24;
+ crc_resp.data = q->enc_in;
+ bblib_lte_crc24b_gen(&crc_req, &crc_resp);
+ } else
+ rte_memcpy(q->enc_in, in, in_length_in_bytes);
+
+ /* LDPC Encoding */
+ ldpc_req.Zc = enc->z_c;
+ ldpc_req.baseGraph = enc->basegraph;
+ /* Number of rows set to maximum */
+ ldpc_req.nRows = ldpc_req.baseGraph == 1 ? 46 : 42;
+ ldpc_req.numberCodeblocks = 1;
+ ldpc_req.input[0] = (int8_t *) q->enc_in;
+ ldpc_resp.output[0] = (int8_t *) q->enc_out;
+
+ bblib_bit_reverse(ldpc_req.input[0], in_length_in_bytes << 3);
+
+ if (bblib_ldpc_encoder_5gnr(&ldpc_req, &ldpc_resp) != 0) {
+ op->status |= 1 << RTE_BBDEV_DRV_ERROR;
+ rte_bbdev_log(ERR, "LDPC Encoder failed");
+ return;
+ }
+
+ /*
+ * Systematic + Parity : Recreating stream with filler bits, ideally
+ * the bit select could handle this in the RM SDK
+ */
+ msgLen = (ldpc_req.baseGraph == 1 ? 22 : 10) * ldpc_req.Zc;
+ puntBits = 2 * ldpc_req.Zc;
+ parity_offset = msgLen - puntBits;
+ ippsCopyBE_1u(((uint8_t *) ldpc_req.input[0]) + (puntBits / 8),
+ puntBits%8, q->adapter_output, 0, parity_offset);
+ ippsCopyBE_1u(q->enc_out, 0, q->adapter_output + (parity_offset / 8),
+ parity_offset % 8, ldpc_req.nRows * ldpc_req.Zc);
+
+ out_len = (e + 7) >> 3;
+ /* get output data starting address */
+ rm_out = (uint8_t *)mbuf_append(m_out_head, m_out, out_len);
+ if (rm_out == NULL) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ rte_bbdev_log(ERR,
+ "Too little space in output mbuf");
+ return;
+ }
+ /*
+ * rte_bbdev_op_data.offset can be different than the offset
+ * of the appended bytes
+ */
+ rm_out = rte_pktmbuf_mtod_offset(m_out, uint8_t *, out_offset);
+
+ /* Rate-Matching */
+ rm_req.E = e;
+ rm_req.Ncb = enc->n_cb;
+ rm_req.Qm = enc->q_m;
+ rm_req.Zc = enc->z_c;
+ rm_req.baseGraph = enc->basegraph;
+ rm_req.input = q->adapter_output;
+ rm_req.nLen = enc->n_filler;
+ rm_req.nullIndex = parity_offset - enc->n_filler;
+ rm_req.rvidx = enc->rv_index;
+ rm_resp.output = q->deint_output;
+
+ if (bblib_LDPC_ratematch_5gnr(&rm_req, &rm_resp) != 0) {
+ op->status |= 1 << RTE_BBDEV_DRV_ERROR;
+ rte_bbdev_log(ERR, "Rate matching failed");
+ return;
+ }
+
+ /* RM SDK may provide non zero bits on last byte */
+ if ((e % 8) != 0)
+ q->deint_output[out_len-1] &= (1 << (e % 8)) - 1;
+
+ bblib_bit_reverse((int8_t *) q->deint_output, out_len << 3);
+
+ rte_memcpy(rm_out, q->deint_output, out_len);
+ enc->output.length += out_len;
+
+#ifdef RTE_BBDEV_OFFLOAD_COST
+ q_stats->acc_offload_cycles += rte_rdtsc_precise() - start_time;
+#endif
+#else
+ RTE_SET_USED(q);
+ RTE_SET_USED(op);
+ RTE_SET_USED(e);
+ RTE_SET_USED(m_in);
+ RTE_SET_USED(m_out_head);
+ RTE_SET_USED(m_out);
+ RTE_SET_USED(in_offset);
+ RTE_SET_USED(out_offset);
+ RTE_SET_USED(seg_total_left);
+ RTE_SET_USED(q_stats);
+#endif
+}
+
static inline void
enqueue_enc_one_op(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op,
struct rte_bbdev_stats *queue_stats)
}
}
+
+static inline void
+enqueue_ldpc_enc_one_op(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op,
+ struct rte_bbdev_stats *queue_stats)
+{
+ uint8_t c, r, crc24_bits = 0;
+ uint32_t e;
+ struct rte_bbdev_op_ldpc_enc *enc = &op->ldpc_enc;
+ uint16_t in_offset = enc->input.offset;
+ uint16_t out_offset = enc->output.offset;
+ struct rte_mbuf *m_in = enc->input.data;
+ struct rte_mbuf *m_out = enc->output.data;
+ struct rte_mbuf *m_out_head = enc->output.data;
+ uint32_t in_length, mbuf_total_left = enc->input.length;
+
+ uint16_t seg_total_left;
+
+ /* Clear op status */
+ op->status = 0;
+
+ if (mbuf_total_left > RTE_BBDEV_TURBO_MAX_TB_SIZE >> 3) {
+ rte_bbdev_log(ERR, "TB size (%u) is too big, max: %d",
+ mbuf_total_left, RTE_BBDEV_TURBO_MAX_TB_SIZE);
+ op->status = 1 << RTE_BBDEV_DATA_ERROR;
+ return;
+ }
+
+ if (m_in == NULL || m_out == NULL) {
+ rte_bbdev_log(ERR, "Invalid mbuf pointer");
+ op->status = 1 << RTE_BBDEV_DATA_ERROR;
+ return;
+ }
+
+ if ((enc->op_flags & RTE_BBDEV_TURBO_CRC_24B_ATTACH) ||
+ (enc->op_flags & RTE_BBDEV_TURBO_CRC_24A_ATTACH))
+ crc24_bits = 24;
+
+ if (enc->code_block_mode == 0) { /* For Transport Block mode */
+ c = enc->tb_params.c;
+ r = enc->tb_params.r;
+ } else { /* For Code Block mode */
+ c = 1;
+ r = 0;
+ }
+
+ while (mbuf_total_left > 0 && r < c) {
+
+ seg_total_left = rte_pktmbuf_data_len(m_in) - in_offset;
+
+ if (enc->code_block_mode == 0) {
+ e = (r < enc->tb_params.cab) ?
+ enc->tb_params.ea : enc->tb_params.eb;
+ } else {
+ e = enc->cb_params.e;
+ }
+
+ process_ldpc_enc_cb(q, op, e, m_in, m_out_head,
+ m_out, in_offset, out_offset, seg_total_left,
+ queue_stats);
+ /* Update total_left */
+ in_length = (enc->basegraph == 1 ? 22 : 10) * enc->z_c;
+ in_length = ((in_length - crc24_bits - enc->n_filler) >> 3);
+ mbuf_total_left -= in_length;
+ /* Update offsets for next CBs (if exist) */
+ in_offset += in_length;
+ out_offset += (e + 7) >> 3;
+
+ /* Update offsets */
+ if (seg_total_left == in_length) {
+ /* Go to the next mbuf */
+ m_in = m_in->next;
+ m_out = m_out->next;
+ in_offset = 0;
+ out_offset = 0;
+ }
+ r++;
+ }
+
+ /* check if all input data was processed */
+ if (mbuf_total_left != 0) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ rte_bbdev_log(ERR,
+ "Mismatch between mbuf length and included CBs sizes %d",
+ mbuf_total_left);
+ }
+}
+
static inline uint16_t
enqueue_enc_all_ops(struct turbo_sw_queue *q, struct rte_bbdev_enc_op **ops,
uint16_t nb_ops, struct rte_bbdev_stats *queue_stats)
NULL);
}
+static inline uint16_t
+enqueue_ldpc_enc_all_ops(struct turbo_sw_queue *q,
+ struct rte_bbdev_enc_op **ops,
+ uint16_t nb_ops, struct rte_bbdev_stats *queue_stats)
+{
+ uint16_t i;
+#ifdef RTE_BBDEV_OFFLOAD_COST
+ queue_stats->acc_offload_cycles = 0;
+#endif
+
+ for (i = 0; i < nb_ops; ++i)
+ enqueue_ldpc_enc_one_op(q, ops[i], queue_stats);
+
+ return rte_ring_enqueue_burst(q->processed_pkts, (void **)ops, nb_ops,
+ NULL);
+}
+
#ifdef RTE_BBDEV_SDK_AVX2
static inline void
move_padding_bytes(const uint8_t *in, uint8_t *out, uint16_t k,
struct rte_bbdev_stats *q_stats)
{
#ifdef RTE_BBDEV_SDK_AVX2
+#ifdef RTE_LIBRTE_BBDEV_DEBUG
int ret;
+#else
+ RTE_SET_USED(in_length);
+#endif
int32_t k_idx;
int32_t iter_cnt;
uint8_t *in, *out, *adapter_input;
k_idx = compute_idx(k);
+#ifdef RTE_LIBRTE_BBDEV_DEBUG
ret = is_dec_input_valid(k_idx, kw, in_length);
if (ret != 0) {
op->status |= 1 << RTE_BBDEV_DATA_ERROR;
return;
}
+#endif
in = rte_pktmbuf_mtod_offset(m_in, uint8_t *, in_offset);
ncb = kw;
deint_resp.pinteleavebuffer = q->deint_output;
#ifdef RTE_BBDEV_OFFLOAD_COST
- start_time = rte_rdtsc_precise();
+ start_time = rte_rdtsc_precise();
#endif
+ /* Sub-block De-Interleaving */
bblib_deinterleave_ul(&deint_req, &deint_resp);
#ifdef RTE_BBDEV_OFFLOAD_COST
- q_stats->acc_offload_cycles += rte_rdtsc_precise() - start_time;
+ q_stats->acc_offload_cycles += rte_rdtsc_precise() - start_time;
#endif
} else
move_padding_bytes(in, q->deint_output, k, ncb);
#endif
}
+static inline void
+process_ldpc_dec_cb(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op,
+ uint8_t c, uint16_t out_length, uint16_t e,
+ struct rte_mbuf *m_in,
+ struct rte_mbuf *m_out_head, struct rte_mbuf *m_out,
+ struct rte_mbuf *m_harq_in,
+ struct rte_mbuf *m_harq_out_head, struct rte_mbuf *m_harq_out,
+ uint16_t in_offset, uint16_t out_offset,
+ uint16_t harq_in_offset, uint16_t harq_out_offset,
+ bool check_crc_24b,
+ uint16_t crc24_overlap, uint16_t in_length,
+ struct rte_bbdev_stats *q_stats)
+{
+#ifdef RTE_BBDEV_SDK_AVX512
+ RTE_SET_USED(in_length);
+ RTE_SET_USED(c);
+ uint8_t *in, *out, *harq_in, *harq_out, *adapter_input;
+ struct bblib_rate_dematching_5gnr_request derm_req;
+ struct bblib_rate_dematching_5gnr_response derm_resp;
+ struct bblib_ldpc_decoder_5gnr_request dec_req;
+ struct bblib_ldpc_decoder_5gnr_response dec_resp;
+ struct bblib_crc_request crc_req;
+ struct bblib_crc_response crc_resp;
+ struct rte_bbdev_op_ldpc_dec *dec = &op->ldpc_dec;
+ uint16_t K, parity_offset, sys_cols, outLenWithCrc;
+ int16_t deRmOutSize, numRows;
+
+ /* Compute some LDPC BG lengths */
+ outLenWithCrc = out_length + (crc24_overlap >> 3);
+ sys_cols = (dec->basegraph == 1) ? 22 : 10;
+ K = sys_cols * dec->z_c;
+ parity_offset = K - 2 * dec->z_c;
+
+#ifdef RTE_BBDEV_OFFLOAD_COST
+ uint64_t start_time = rte_rdtsc_precise();
+#else
+ RTE_SET_USED(q_stats);
+#endif
+
+ in = rte_pktmbuf_mtod_offset(m_in, uint8_t *, in_offset);
+
+ if (check_bit(dec->op_flags, RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE)) {
+ /**
+ * Single contiguous block from the first LLR of the
+ * circular buffer.
+ */
+ harq_in = NULL;
+ if (m_harq_in != NULL)
+ harq_in = rte_pktmbuf_mtod_offset(m_harq_in,
+ uint8_t *, harq_in_offset);
+ if (harq_in == NULL) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ rte_bbdev_log(ERR, "No space in harq input mbuf");
+ return;
+ }
+ uint16_t harq_in_length = RTE_MIN(
+ dec->harq_combined_input.length,
+ (uint32_t) dec->n_cb);
+ memset(q->ag + harq_in_length, 0,
+ dec->n_cb - harq_in_length);
+ rte_memcpy(q->ag, harq_in, harq_in_length);
+ }
+
+ derm_req.p_in = (int8_t *) in;
+ derm_req.p_harq = q->ag; /* This doesn't include the filler bits */
+ derm_req.base_graph = dec->basegraph;
+ derm_req.zc = dec->z_c;
+ derm_req.ncb = dec->n_cb;
+ derm_req.e = e;
+ derm_req.k0 = 0; /* Actual output from SDK */
+ derm_req.isretx = check_bit(dec->op_flags,
+ RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE);
+ derm_req.rvid = dec->rv_index;
+ derm_req.modulation_order = dec->q_m;
+ derm_req.start_null_index = parity_offset - dec->n_filler;
+ derm_req.num_of_null = dec->n_filler;
+
+ bblib_rate_dematching_5gnr(&derm_req, &derm_resp);
+
+ /* Compute RM out size and number of rows */
+ deRmOutSize = RTE_MIN(
+ derm_req.k0 + derm_req.e -
+ ((derm_req.k0 < derm_req.start_null_index) ?
+ 0 : dec->n_filler),
+ dec->n_cb - dec->n_filler);
+ if (m_harq_in != NULL)
+ deRmOutSize = RTE_MAX(deRmOutSize,
+ RTE_MIN(dec->n_cb - dec->n_filler,
+ m_harq_in->data_len));
+ numRows = ((deRmOutSize + dec->n_filler + dec->z_c - 1) / dec->z_c)
+ - sys_cols + 2;
+ numRows = RTE_MAX(4, numRows);
+
+ /* get output data starting address */
+ out = (uint8_t *)mbuf_append(m_out_head, m_out, out_length);
+ if (out == NULL) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ rte_bbdev_log(ERR,
+ "Too little space in LDPC decoder output mbuf");
+ return;
+ }
+
+ /* rte_bbdev_op_data.offset can be different than the offset
+ * of the appended bytes
+ */
+ out = rte_pktmbuf_mtod_offset(m_out, uint8_t *, out_offset);
+ adapter_input = q->enc_out;
+
+ dec_req.Zc = dec->z_c;
+ dec_req.baseGraph = dec->basegraph;
+ dec_req.nRows = numRows;
+ dec_req.numChannelLlrs = deRmOutSize;
+ dec_req.varNodes = derm_req.p_harq;
+ dec_req.numFillerBits = dec->n_filler;
+ dec_req.maxIterations = dec->iter_max;
+ dec_req.enableEarlyTermination = check_bit(dec->op_flags,
+ RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE);
+ dec_resp.varNodes = (int16_t *) q->adapter_output;
+ dec_resp.compactedMessageBytes = q->enc_out;
+
+ bblib_ldpc_decoder_5gnr(&dec_req, &dec_resp);
+
+ dec->iter_count = RTE_MAX(dec_resp.iterationAtTermination,
+ dec->iter_count);
+ if (!dec_resp.parityPassedAtTermination)
+ op->status |= 1 << RTE_BBDEV_SYNDROME_ERROR;
+
+ bblib_bit_reverse((int8_t *) q->enc_out, outLenWithCrc << 3);
+
+ if (check_bit(dec->op_flags, RTE_BBDEV_LDPC_CRC_TYPE_24A_CHECK) ||
+ check_bit(dec->op_flags,
+ RTE_BBDEV_LDPC_CRC_TYPE_24B_CHECK)) {
+ crc_req.data = adapter_input;
+ crc_req.len = K - dec->n_filler - 24;
+ crc_resp.check_passed = false;
+ crc_resp.data = adapter_input;
+ if (check_crc_24b)
+ bblib_lte_crc24b_check(&crc_req, &crc_resp);
+ else
+ bblib_lte_crc24a_check(&crc_req, &crc_resp);
+ if (!crc_resp.check_passed)
+ op->status |= 1 << RTE_BBDEV_CRC_ERROR;
+ }
+
+#ifdef RTE_BBDEV_OFFLOAD_COST
+ q_stats->acc_offload_cycles += rte_rdtsc_precise() - start_time;
+#endif
+ if (check_bit(dec->op_flags, RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE)) {
+ harq_out = NULL;
+ if (m_harq_out != NULL) {
+ /* Initialize HARQ data length since we overwrite */
+ m_harq_out->data_len = 0;
+ /* Check there is enough space
+ * in the HARQ outbound buffer
+ */
+ harq_out = (uint8_t *)mbuf_append(m_harq_out_head,
+ m_harq_out, deRmOutSize);
+ }
+ if (harq_out == NULL) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ rte_bbdev_log(ERR, "No space in HARQ output mbuf");
+ return;
+ }
+ /* get output data starting address and overwrite the data */
+ harq_out = rte_pktmbuf_mtod_offset(m_harq_out, uint8_t *,
+ harq_out_offset);
+ rte_memcpy(harq_out, derm_req.p_harq, deRmOutSize);
+ dec->harq_combined_output.length += deRmOutSize;
+ }
+
+ rte_memcpy(out, adapter_input, out_length);
+ dec->hard_output.length += out_length;
+#else
+ RTE_SET_USED(q);
+ RTE_SET_USED(op);
+ RTE_SET_USED(c);
+ RTE_SET_USED(out_length);
+ RTE_SET_USED(e);
+ RTE_SET_USED(m_in);
+ RTE_SET_USED(m_out_head);
+ RTE_SET_USED(m_out);
+ RTE_SET_USED(m_harq_in);
+ RTE_SET_USED(m_harq_out_head);
+ RTE_SET_USED(m_harq_out);
+ RTE_SET_USED(harq_in_offset);
+ RTE_SET_USED(harq_out_offset);
+ RTE_SET_USED(in_offset);
+ RTE_SET_USED(out_offset);
+ RTE_SET_USED(check_crc_24b);
+ RTE_SET_USED(crc24_overlap);
+ RTE_SET_USED(in_length);
+ RTE_SET_USED(q_stats);
+#endif
+}
+
+
static inline void
enqueue_dec_one_op(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op,
struct rte_bbdev_stats *queue_stats)
in_offset, out_offset, check_bit(dec->op_flags,
RTE_BBDEV_TURBO_CRC_TYPE_24B), crc24_overlap,
seg_total_left, queue_stats);
+
/* To keep CRC24 attached to end of Code block, use
* RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP flag as it
* removed by default once verified.
}
r++;
}
+
+ if (mbuf_total_left != 0) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ rte_bbdev_log(ERR,
+ "Mismatch between mbuf length and included Circular buffer sizes");
+ }
+}
+
+static inline void
+enqueue_ldpc_dec_one_op(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op,
+ struct rte_bbdev_stats *queue_stats)
+{
+ uint8_t c, r = 0;
+ uint16_t e, out_length;
+ uint16_t crc24_overlap = 0;
+ struct rte_bbdev_op_ldpc_dec *dec = &op->ldpc_dec;
+ struct rte_mbuf *m_in = dec->input.data;
+ struct rte_mbuf *m_harq_in = dec->harq_combined_input.data;
+ struct rte_mbuf *m_harq_out = dec->harq_combined_output.data;
+ struct rte_mbuf *m_harq_out_head = dec->harq_combined_output.data;
+ struct rte_mbuf *m_out = dec->hard_output.data;
+ struct rte_mbuf *m_out_head = dec->hard_output.data;
+ uint16_t in_offset = dec->input.offset;
+ uint16_t harq_in_offset = dec->harq_combined_input.offset;
+ uint16_t harq_out_offset = dec->harq_combined_output.offset;
+ uint16_t out_offset = dec->hard_output.offset;
+ uint32_t mbuf_total_left = dec->input.length;
+ uint16_t seg_total_left;
+
+ /* Clear op status */
+ op->status = 0;
+
+ if (m_in == NULL || m_out == NULL) {
+ rte_bbdev_log(ERR, "Invalid mbuf pointer");
+ op->status = 1 << RTE_BBDEV_DATA_ERROR;
+ return;
+ }
+
+ if (dec->code_block_mode == 0) { /* For Transport Block mode */
+ c = dec->tb_params.c;
+ e = dec->tb_params.ea;
+ } else { /* For Code Block mode */
+ c = 1;
+ e = dec->cb_params.e;
+ }
+
+ if (check_bit(dec->op_flags, RTE_BBDEV_LDPC_CRC_TYPE_24B_DROP))
+ crc24_overlap = 24;
+
+ out_length = (dec->basegraph == 1 ? 22 : 10) * dec->z_c; /* K */
+ out_length = ((out_length - crc24_overlap - dec->n_filler) >> 3);
+
+ while (mbuf_total_left > 0) {
+ if (dec->code_block_mode == 0)
+ e = (r < dec->tb_params.cab) ?
+ dec->tb_params.ea : dec->tb_params.eb;
+
+ seg_total_left = rte_pktmbuf_data_len(m_in) - in_offset;
+
+ process_ldpc_dec_cb(q, op, c, out_length, e,
+ m_in, m_out_head, m_out,
+ m_harq_in, m_harq_out_head, m_harq_out,
+ in_offset, out_offset, harq_in_offset,
+ harq_out_offset,
+ check_bit(dec->op_flags,
+ RTE_BBDEV_LDPC_CRC_TYPE_24B_CHECK),
+ crc24_overlap,
+ seg_total_left, queue_stats);
+
+ /* To keep CRC24 attached to end of Code block, use
+ * RTE_BBDEV_LDPC_DEC_TB_CRC_24B_KEEP flag as it
+ * removed by default once verified.
+ */
+
+ mbuf_total_left -= e;
+
+ /* Update offsets */
+ if (seg_total_left == e) {
+ /* Go to the next mbuf */
+ m_in = m_in->next;
+ m_out = m_out->next;
+ if (m_harq_in != NULL)
+ m_harq_in = m_harq_in->next;
+ if (m_harq_out != NULL)
+ m_harq_out = m_harq_out->next;
+ in_offset = 0;
+ out_offset = 0;
+ harq_in_offset = 0;
+ harq_out_offset = 0;
+ } else {
+ /* Update offsets for next CBs (if exist) */
+ in_offset += e;
+ out_offset += out_length;
+ }
+ r++;
+ }
+
if (mbuf_total_left != 0) {
op->status |= 1 << RTE_BBDEV_DATA_ERROR;
rte_bbdev_log(ERR,
NULL);
}
+static inline uint16_t
+enqueue_ldpc_dec_all_ops(struct turbo_sw_queue *q,
+ struct rte_bbdev_dec_op **ops,
+ uint16_t nb_ops, struct rte_bbdev_stats *queue_stats)
+{
+ uint16_t i;
+#ifdef RTE_BBDEV_OFFLOAD_COST
+ queue_stats->acc_offload_cycles = 0;
+#endif
+
+ for (i = 0; i < nb_ops; ++i)
+ enqueue_ldpc_dec_one_op(q, ops[i], queue_stats);
+
+ return rte_ring_enqueue_burst(q->processed_pkts, (void **)ops, nb_ops,
+ NULL);
+}
+
/* Enqueue burst */
static uint16_t
enqueue_enc_ops(struct rte_bbdev_queue_data *q_data,
return nb_enqueued;
}
+/* Enqueue burst */
+static uint16_t
+enqueue_ldpc_enc_ops(struct rte_bbdev_queue_data *q_data,
+ struct rte_bbdev_enc_op **ops, uint16_t nb_ops)
+{
+ void *queue = q_data->queue_private;
+ struct turbo_sw_queue *q = queue;
+ uint16_t nb_enqueued = 0;
+
+ nb_enqueued = enqueue_ldpc_enc_all_ops(
+ q, ops, nb_ops, &q_data->queue_stats);
+
+ q_data->queue_stats.enqueue_err_count += nb_ops - nb_enqueued;
+ q_data->queue_stats.enqueued_count += nb_enqueued;
+
+ return nb_enqueued;
+}
+
/* Enqueue burst */
static uint16_t
enqueue_dec_ops(struct rte_bbdev_queue_data *q_data,
return nb_enqueued;
}
+/* Enqueue burst */
+static uint16_t
+enqueue_ldpc_dec_ops(struct rte_bbdev_queue_data *q_data,
+ struct rte_bbdev_dec_op **ops, uint16_t nb_ops)
+{
+ void *queue = q_data->queue_private;
+ struct turbo_sw_queue *q = queue;
+ uint16_t nb_enqueued = 0;
+
+ nb_enqueued = enqueue_ldpc_dec_all_ops(q, ops, nb_ops,
+ &q_data->queue_stats);
+
+ q_data->queue_stats.enqueue_err_count += nb_ops - nb_enqueued;
+ q_data->queue_stats.enqueued_count += nb_enqueued;
+
+ return nb_enqueued;
+}
+
/* Dequeue decode burst */
static uint16_t
dequeue_dec_ops(struct rte_bbdev_queue_data *q_data,
bbdev->dequeue_dec_ops = dequeue_dec_ops;
bbdev->enqueue_enc_ops = enqueue_enc_ops;
bbdev->enqueue_dec_ops = enqueue_dec_ops;
+ bbdev->dequeue_ldpc_enc_ops = dequeue_enc_ops;
+ bbdev->dequeue_ldpc_dec_ops = dequeue_dec_ops;
+ bbdev->enqueue_ldpc_enc_ops = enqueue_ldpc_enc_ops;
+ bbdev->enqueue_ldpc_dec_ops = enqueue_ldpc_dec_ops;
((struct bbdev_private *) bbdev->data->dev_private)->max_nb_queues =
init_params->queues_num;
git.droids-corp.org / dpdk.git / blobdiff