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app/bbdev: support HARQ validation

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Adding functionality to validate HARQ for different
devices implementation.
Adding capacity to fetch HARQ data when required as
part of this validation.

Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
Acked-by: Dave Burley <dave.burley@accelercomm.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
This commit is contained in:
Nicolas Chautru 2020-03-25 20:27:44 -07:00 committed by Akhil Goyal
parent 9f17582c7c
commit 335c11fd27
2 changed files with 504 additions and 69 deletions
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564
app/test-bbdev/test_bbdev_perf.c
View File

@ -44,14 +44,34 @@
#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;
@ -293,7 +313,7 @@ check_dev_cap(const struct rte_bbdev_info *dev_info)
return TEST_FAILED;
}
if (intr_enabled && !(cap->capability_flags &
RTE_BBDEV_TURBO_ENC_INTERRUPTS)) {
RTE_BBDEV_LDPC_ENC_INTERRUPTS)) {
printf(
"Dequeue interrupts are not supported!\n");
return TEST_FAILED;
@ -336,12 +356,19 @@ check_dev_cap(const struct rte_bbdev_info *dev_info)
return TEST_FAILED;
}
if (intr_enabled && !(cap->capability_flags &
RTE_BBDEV_TURBO_DEC_INTERRUPTS)) {
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;
}
}
@ -377,7 +404,8 @@ create_mbuf_pool(struct op_data_entries *entries, uint8_t dev_id,
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,
RTE_MAX(max_seg_sz + RTE_PKTMBUF_HEADROOM
+ FILLER_HEADROOM,
(unsigned int)RTE_MBUF_DEFAULT_BUF_SIZE), socket_id);
}
@ -432,27 +460,33 @@ create_mempools(struct active_device *ad, int socket_id,
return TEST_SUCCESS;
/* Inputs */
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;
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 */
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;
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) {
@ -901,6 +935,45 @@ limit_input_llr_val_range(struct rte_bbdev_op_data *input_ops,
}
}
/*
* 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,
@ -923,7 +996,9 @@ ldpc_input_llr_scaling(struct rte_bbdev_op_data *input_ops,
++byte_idx) {
llr_tmp = llr[byte_idx];
if (llr_decimals == 2)
if (llr_decimals == 4)
llr_tmp *= 8;
else if (llr_decimals == 2)
llr_tmp *= 2;
else if (llr_decimals == 0)
llr_tmp /= 2;
@ -991,12 +1066,24 @@ fill_queue_buffers(struct test_op_params *op_params,
capabilities->cap.turbo_dec.max_llr_modulus);
if (test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC) {
ldpc_input_llr_scaling(*queue_ops[DATA_INPUT], n,
capabilities->cap.ldpc_dec.llr_size,
capabilities->cap.ldpc_dec.llr_decimals);
ldpc_input_llr_scaling(*queue_ops[DATA_HARQ_INPUT], n,
capabilities->cap.ldpc_dec.llr_size,
capabilities->cap.ldpc_dec.llr_decimals);
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;
@ -1159,17 +1246,21 @@ copy_reference_ldpc_dec_op(struct rte_bbdev_dec_op **ops, unsigned int n,
ops[i]->ldpc_dec.op_flags = ldpc_dec->op_flags;
ops[i]->ldpc_dec.code_block_mode = ldpc_dec->code_block_mode;
ops[i]->ldpc_dec.hard_output = hard_outputs[start_idx + i];
ops[i]->ldpc_dec.input = inputs[start_idx + i];
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];
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];
harq_outputs[start_idx + i];
}
}
@ -1211,7 +1302,22 @@ static int
check_dec_status_and_ordering(struct rte_bbdev_dec_op *op,
unsigned int order_idx, const int expected_status)
{
TEST_ASSERT(op->status == 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);
@ -1230,9 +1336,10 @@ check_enc_status_and_ordering(struct rte_bbdev_enc_op *op,
"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);
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;
}
@ -1276,6 +1383,173 @@ validate_op_chain(struct rte_bbdev_op_data *op,
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)
@ -1319,7 +1593,6 @@ validate_dec_op(struct rte_bbdev_dec_op **ops, const uint16_t n,
return TEST_SUCCESS;
}
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)
@ -1351,8 +1624,15 @@ validate_ldpc_dec_op(struct rte_bbdev_dec_op **ops, const uint16_t n,
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 data when the decoding failed to converge */
if ((ops[i]->status & (1 << RTE_BBDEV_SYNDROME_ERROR)) == 0)
/*
* 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",
@ -1365,12 +1645,18 @@ validate_ldpc_dec_op(struct rte_bbdev_dec_op **ops, const uint16_t n,
i);
if (ref_op->ldpc_dec.op_flags &
RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE) {
ldpc_input_llr_scaling(harq_output, 1, 8, 0);
TEST_ASSERT_SUCCESS(validate_op_chain(harq_output,
harq_data_orig),
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;
@ -1709,6 +1995,105 @@ run_test_case(test_case_function *test_case_func)
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,
@ -1744,13 +2129,22 @@ dequeue_event_callback(uint16_t dev_id,
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 ||
test_vector.op_type == RTE_BBDEV_OP_LDPC_DEC)
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
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)],
@ -2127,6 +2521,12 @@ throughput_pmd_lcore_ldpc_dec(void *arg)
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);
@ -2164,13 +2564,18 @@ throughput_pmd_lcore_ldpc_dec(void *arg)
for (i = 0; i < TEST_REPETITIONS; ++i) {
for (j = 0; j < num_ops; ++j) {
mbuf_reset(ops_enq[j]->ldpc_dec.hard_output.data);
if (check_bit(ref_op->ldpc_dec.op_flags,
RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE))
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;) {
@ -2201,6 +2606,10 @@ throughput_pmd_lcore_ldpc_dec(void *arg)
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,
@ -2690,6 +3099,8 @@ latency_test_ldpc_dec(struct rte_mempool *mempool,
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;
@ -2702,6 +3113,15 @@ latency_test_ldpc_dec(struct rte_mempool *mempool,
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 = 6;
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,
@ -2711,6 +3131,10 @@ latency_test_ldpc_dec(struct rte_mempool *mempool,
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;
@ -2737,6 +3161,9 @@ latency_test_ldpc_dec(struct rte_mempool *mempool,
*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);
@ -2746,7 +3173,6 @@ latency_test_ldpc_dec(struct rte_mempool *mempool,
rte_bbdev_dec_op_free_bulk(ops_enq, deq);
dequeued += deq;
}
return i;
}
@ -2838,7 +3264,6 @@ latency_test_ldpc_enc(struct rte_mempool *mempool,
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)
@ -3075,6 +3500,8 @@ offload_latency_test_ldpc_dec(struct rte_mempool *mempool,
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;
@ -3092,6 +3519,10 @@ offload_latency_test_ldpc_dec(struct rte_mempool *mempool,
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 {
@ -3099,13 +3530,13 @@ offload_latency_test_ldpc_dec(struct rte_mempool *mempool,
&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 = rte_rdtsc_precise() - enq_start_time -
stats.acc_offload_cycles;
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,
@ -3138,9 +3569,14 @@ offload_latency_test_ldpc_dec(struct rte_mempool *mempool,
/* Dequeue remaining operations if needed*/
while (burst_sz != deq)
deq += rte_bbdev_dequeue_dec_ops(dev_id, queue_id,
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;
}
@ -3167,7 +3603,8 @@ offload_latency_test_enc(struct rte_mempool *mempool, struct test_buffers *bufs,
burst_sz = num_to_process - dequeued;
ret = rte_bbdev_enc_op_alloc_bulk(mempool, ops_enq, burst_sz);
TEST_ASSERT_SUCCESS(ret, "rte_bbdev_op_alloc_bulk() failed");
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,
@ -3181,13 +3618,13 @@ offload_latency_test_enc(struct rte_mempool *mempool, struct test_buffers *bufs,
&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 = rte_rdtsc_precise() - enq_start_time -
stats.acc_offload_cycles;
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,
@ -3249,7 +3686,8 @@ offload_latency_test_ldpc_enc(struct rte_mempool *mempool,
burst_sz = num_to_process - dequeued;
ret = rte_bbdev_enc_op_alloc_bulk(mempool, ops_enq, burst_sz);
TEST_ASSERT_SUCCESS(ret, "rte_bbdev_op_alloc_bulk() failed");
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,
@ -3263,13 +3701,13 @@ offload_latency_test_ldpc_enc(struct rte_mempool *mempool,
&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 = rte_rdtsc_precise() - enq_start_time -
stats.acc_offload_cycles;
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,

9
app/test-bbdev/test_bbdev_vector.c
View File

@ -197,6 +197,9 @@ op_ldpc_decoder_flag_strtoul(char *token, uint32_t *op_flag_value)
else if (!strcmp(token,
"RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE"))
*op_flag_value = RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE;
else if (!strcmp(token,
"RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK"))
*op_flag_value = RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK;
else {
printf("The given value is not a LDPC decoder flag\n");
return -1;
@ -943,16 +946,10 @@ check_ldpc_decoder_segments(struct test_bbdev_vector *vector)
unsigned char i;
struct rte_bbdev_op_ldpc_dec *ldpc_dec = &vector->ldpc_dec;
if (vector->entries[DATA_INPUT].nb_segments == 0)
return -1;
for (i = 0; i < vector->entries[DATA_INPUT].nb_segments; i++)
if (vector->entries[DATA_INPUT].segments[i].addr == NULL)
return -1;
if (vector->entries[DATA_HARD_OUTPUT].nb_segments == 0)
return -1;
for (i = 0; i < vector->entries[DATA_HARD_OUTPUT].nb_segments; i++)
if (vector->entries[DATA_HARD_OUTPUT].segments[i].addr == NULL)
return -1;