M: Amr Mokhtar <amr.mokhtar@intel.com>
F: lib/librte_bbdev/
F: doc/guides/prog_guide/bbdev.rst
-F: drivers/bbdev/
+F: drivers/baseband/
F: doc/guides/bbdevs/
F: app/test-bbdev/
F: doc/guides/tools/testbbdev.rst
DEPDIRS-mempool := bus
DIRS-y += net
DEPDIRS-net := bus mempool
-DIRS-$(CONFIG_RTE_LIBRTE_BBDEV) += bbdev
-DEPDIRS-bbdev := bus mempool
+DIRS-$(CONFIG_RTE_LIBRTE_BBDEV) += baseband
+DEPDIRS-baseband := bus mempool
DIRS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += crypto
DEPDIRS-crypto := bus mempool
DIRS-$(CONFIG_RTE_LIBRTE_EVENTDEV) += event
--- /dev/null
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017 Intel Corporation
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+core-libs := librte_eal librte_mbuf librte_mempool librte_ring
+core-libs += librte_bbdev librte_kvargs librte_cfgfile
+
+DIRS-$(CONFIG_RTE_LIBRTE_PMD_BBDEV_NULL) += null
+DEPDIRS-null = $(core-libs)
+DIRS-$(CONFIG_RTE_LIBRTE_PMD_BBDEV_TURBO_SW) += turbo_sw
+DEPDIRS-turbo_sw = $(core-libs)
+
+include $(RTE_SDK)/mk/rte.subdir.mk
--- /dev/null
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017 Intel Corporation
+
+include $(RTE_SDK)/mk/rte.vars.mk
+# library name
+LIB = librte_pmd_bbdev_null.a
+
+# build flags
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring -lrte_kvargs
+LDLIBS += -lrte_bbdev
+LDLIBS += -lrte_bus_vdev
+
+# versioning export map
+EXPORT_MAP := rte_pmd_bbdev_null_version.map
+
+# library version
+LIBABIVER := 1
+
+# library source files
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_BBDEV_NULL) += bbdev_null.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Intel Corporation
+ */
+
+#include <string.h>
+
+#include <rte_common.h>
+#include <rte_bus_vdev.h>
+#include <rte_malloc.h>
+#include <rte_ring.h>
+#include <rte_kvargs.h>
+
+#include <rte_bbdev.h>
+#include <rte_bbdev_pmd.h>
+
+#define DRIVER_NAME bbdev_null
+
+/* NULL BBDev logging ID */
+static int bbdev_null_logtype;
+
+/* Helper macro for logging */
+#define rte_bbdev_log(level, fmt, ...) \
+ rte_log(RTE_LOG_ ## level, bbdev_null_logtype, fmt "\n", ##__VA_ARGS__)
+
+#define rte_bbdev_log_debug(fmt, ...) \
+ rte_bbdev_log(DEBUG, RTE_STR(__LINE__) ":%s() " fmt, __func__, \
+ ##__VA_ARGS__)
+
+/* Initialisation params structure that can be used by null BBDEV driver */
+struct bbdev_null_params {
+ int socket_id; /*< Null BBDEV socket */
+ uint16_t queues_num; /*< Null BBDEV queues number */
+};
+
+/* Accecptable params for null BBDEV devices */
+#define BBDEV_NULL_MAX_NB_QUEUES_ARG "max_nb_queues"
+#define BBDEV_NULL_SOCKET_ID_ARG "socket_id"
+
+static const char * const bbdev_null_valid_params[] = {
+ BBDEV_NULL_MAX_NB_QUEUES_ARG,
+ BBDEV_NULL_SOCKET_ID_ARG
+};
+
+/* private data structure */
+struct bbdev_private {
+ unsigned int max_nb_queues; /**< Max number of queues */
+};
+
+/* queue */
+struct bbdev_queue {
+ struct rte_ring *processed_pkts; /* Ring for processed packets */
+} __rte_cache_aligned;
+
+/* Get device info */
+static void
+info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
+{
+ struct bbdev_private *internals = dev->data->dev_private;
+
+ static const struct rte_bbdev_op_cap bbdev_capabilities[] = {
+ RTE_BBDEV_END_OF_CAPABILITIES_LIST(),
+ };
+
+ static struct rte_bbdev_queue_conf default_queue_conf = {
+ .queue_size = RTE_BBDEV_QUEUE_SIZE_LIMIT,
+ };
+
+ default_queue_conf.socket = dev->data->socket_id;
+
+ dev_info->driver_name = RTE_STR(DRIVER_NAME);
+ dev_info->max_num_queues = internals->max_nb_queues;
+ dev_info->queue_size_lim = RTE_BBDEV_QUEUE_SIZE_LIMIT;
+ dev_info->hardware_accelerated = false;
+ dev_info->max_queue_priority = 0;
+ dev_info->default_queue_conf = default_queue_conf;
+ dev_info->capabilities = bbdev_capabilities;
+ dev_info->cpu_flag_reqs = NULL;
+ dev_info->min_alignment = 0;
+
+ rte_bbdev_log_debug("got device info from %u", dev->data->dev_id);
+}
+
+/* Release queue */
+static int
+q_release(struct rte_bbdev *dev, uint16_t q_id)
+{
+ struct bbdev_queue *q = dev->data->queues[q_id].queue_private;
+
+ if (q != NULL) {
+ rte_ring_free(q->processed_pkts);
+ rte_free(q);
+ dev->data->queues[q_id].queue_private = NULL;
+ }
+
+ rte_bbdev_log_debug("released device queue %u:%u",
+ dev->data->dev_id, q_id);
+ return 0;
+}
+
+/* Setup a queue */
+static int
+q_setup(struct rte_bbdev *dev, uint16_t q_id,
+ const struct rte_bbdev_queue_conf *queue_conf)
+{
+ struct bbdev_queue *q;
+ char ring_name[RTE_RING_NAMESIZE];
+ snprintf(ring_name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME) "%u:%u",
+ dev->data->dev_id, q_id);
+
+ /* Allocate the queue data structure. */
+ q = rte_zmalloc_socket(RTE_STR(DRIVER_NAME), sizeof(*q),
+ RTE_CACHE_LINE_SIZE, queue_conf->socket);
+ if (q == NULL) {
+ rte_bbdev_log(ERR, "Failed to allocate queue memory");
+ return -ENOMEM;
+ }
+
+ q->processed_pkts = rte_ring_create(ring_name, queue_conf->queue_size,
+ queue_conf->socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
+ if (q->processed_pkts == NULL) {
+ rte_bbdev_log(ERR, "Failed to create ring");
+ goto free_q;
+ }
+
+ dev->data->queues[q_id].queue_private = q;
+ rte_bbdev_log_debug("setup device queue %s", ring_name);
+ return 0;
+
+free_q:
+ rte_free(q);
+ return -EFAULT;
+}
+
+static const struct rte_bbdev_ops pmd_ops = {
+ .info_get = info_get,
+ .queue_setup = q_setup,
+ .queue_release = q_release
+};
+
+/* Enqueue decode burst */
+static uint16_t
+enqueue_dec_ops(struct rte_bbdev_queue_data *q_data,
+ struct rte_bbdev_dec_op **ops, uint16_t nb_ops)
+{
+ struct bbdev_queue *q = q_data->queue_private;
+ uint16_t nb_enqueued = rte_ring_enqueue_burst(q->processed_pkts,
+ (void **)ops, nb_ops, NULL);
+
+ q_data->queue_stats.enqueue_err_count += nb_ops - nb_enqueued;
+ q_data->queue_stats.enqueued_count += nb_enqueued;
+
+ return nb_enqueued;
+}
+
+/* Enqueue encode burst */
+static uint16_t
+enqueue_enc_ops(struct rte_bbdev_queue_data *q_data,
+ struct rte_bbdev_enc_op **ops, uint16_t nb_ops)
+{
+ struct bbdev_queue *q = q_data->queue_private;
+ uint16_t nb_enqueued = rte_ring_enqueue_burst(q->processed_pkts,
+ (void **)ops, nb_ops, NULL);
+
+ 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,
+ struct rte_bbdev_dec_op **ops, uint16_t nb_ops)
+{
+ struct bbdev_queue *q = q_data->queue_private;
+ uint16_t nb_dequeued = rte_ring_dequeue_burst(q->processed_pkts,
+ (void **)ops, nb_ops, NULL);
+ q_data->queue_stats.dequeued_count += nb_dequeued;
+
+ return nb_dequeued;
+}
+
+/* Dequeue encode burst */
+static uint16_t
+dequeue_enc_ops(struct rte_bbdev_queue_data *q_data,
+ struct rte_bbdev_enc_op **ops, uint16_t nb_ops)
+{
+ struct bbdev_queue *q = q_data->queue_private;
+ uint16_t nb_dequeued = rte_ring_dequeue_burst(q->processed_pkts,
+ (void **)ops, nb_ops, NULL);
+ q_data->queue_stats.dequeued_count += nb_dequeued;
+
+ return nb_dequeued;
+}
+
+/* Parse 16bit integer from string argument */
+static inline int
+parse_u16_arg(const char *key, const char *value, void *extra_args)
+{
+ uint16_t *u16 = extra_args;
+ unsigned int long result;
+
+ if ((value == NULL) || (extra_args == NULL))
+ return -EINVAL;
+ errno = 0;
+ result = strtoul(value, NULL, 0);
+ if ((result >= (1 << 16)) || (errno != 0)) {
+ rte_bbdev_log(ERR, "Invalid value %lu for %s", result, key);
+ return -ERANGE;
+ }
+ *u16 = (uint16_t)result;
+ return 0;
+}
+
+/* Parse parameters used to create device */
+static int
+parse_bbdev_null_params(struct bbdev_null_params *params,
+ const char *input_args)
+{
+ struct rte_kvargs *kvlist = NULL;
+ int ret = 0;
+
+ if (params == NULL)
+ return -EINVAL;
+ if (input_args) {
+ kvlist = rte_kvargs_parse(input_args, bbdev_null_valid_params);
+ if (kvlist == NULL)
+ return -EFAULT;
+
+ ret = rte_kvargs_process(kvlist, bbdev_null_valid_params[0],
+ &parse_u16_arg, ¶ms->queues_num);
+ if (ret < 0)
+ goto exit;
+
+ ret = rte_kvargs_process(kvlist, bbdev_null_valid_params[1],
+ &parse_u16_arg, ¶ms->socket_id);
+ if (ret < 0)
+ goto exit;
+
+ if (params->socket_id >= RTE_MAX_NUMA_NODES) {
+ rte_bbdev_log(ERR, "Invalid socket, must be < %u",
+ RTE_MAX_NUMA_NODES);
+ goto exit;
+ }
+ }
+
+exit:
+ if (kvlist)
+ rte_kvargs_free(kvlist);
+ return ret;
+}
+
+/* Create device */
+static int
+null_bbdev_create(struct rte_vdev_device *vdev,
+ struct bbdev_null_params *init_params)
+{
+ struct rte_bbdev *bbdev;
+ const char *name = rte_vdev_device_name(vdev);
+
+ bbdev = rte_bbdev_allocate(name);
+ if (bbdev == NULL)
+ return -ENODEV;
+
+ bbdev->data->dev_private = rte_zmalloc_socket(name,
+ sizeof(struct bbdev_private), RTE_CACHE_LINE_SIZE,
+ init_params->socket_id);
+ if (bbdev->data->dev_private == NULL) {
+ rte_bbdev_release(bbdev);
+ return -ENOMEM;
+ }
+
+ bbdev->dev_ops = &pmd_ops;
+ bbdev->device = &vdev->device;
+ bbdev->data->socket_id = init_params->socket_id;
+ bbdev->intr_handle = NULL;
+
+ /* register rx/tx burst functions for data path */
+ bbdev->dequeue_enc_ops = dequeue_enc_ops;
+ bbdev->dequeue_dec_ops = dequeue_dec_ops;
+ bbdev->enqueue_enc_ops = enqueue_enc_ops;
+ bbdev->enqueue_dec_ops = enqueue_dec_ops;
+ ((struct bbdev_private *) bbdev->data->dev_private)->max_nb_queues =
+ init_params->queues_num;
+
+ return 0;
+}
+
+/* Initialise device */
+static int
+null_bbdev_probe(struct rte_vdev_device *vdev)
+{
+ struct bbdev_null_params init_params = {
+ rte_socket_id(),
+ RTE_BBDEV_DEFAULT_MAX_NB_QUEUES
+ };
+ const char *name;
+ const char *input_args;
+
+ if (vdev == NULL)
+ return -EINVAL;
+
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+
+ input_args = rte_vdev_device_args(vdev);
+ parse_bbdev_null_params(&init_params, input_args);
+
+ rte_bbdev_log_debug("Init %s on NUMA node %d with max queues: %d",
+ name, init_params.socket_id, init_params.queues_num);
+
+ return null_bbdev_create(vdev, &init_params);
+}
+
+/* Uninitialise device */
+static int
+null_bbdev_remove(struct rte_vdev_device *vdev)
+{
+ struct rte_bbdev *bbdev;
+ const char *name;
+
+ if (vdev == NULL)
+ return -EINVAL;
+
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+
+ bbdev = rte_bbdev_get_named_dev(name);
+ if (bbdev == NULL)
+ return -EINVAL;
+
+ rte_free(bbdev->data->dev_private);
+
+ return rte_bbdev_release(bbdev);
+}
+
+static struct rte_vdev_driver bbdev_null_pmd_drv = {
+ .probe = null_bbdev_probe,
+ .remove = null_bbdev_remove
+};
+
+RTE_PMD_REGISTER_VDEV(DRIVER_NAME, bbdev_null_pmd_drv);
+RTE_PMD_REGISTER_PARAM_STRING(DRIVER_NAME,
+ BBDEV_NULL_MAX_NB_QUEUES_ARG"=<int> "
+ BBDEV_NULL_SOCKET_ID_ARG"=<int>");
+
+RTE_INIT(null_bbdev_init_log);
+static void
+null_bbdev_init_log(void)
+{
+ bbdev_null_logtype = rte_log_register("pmd.bb.null");
+ if (bbdev_null_logtype >= 0)
+ rte_log_set_level(bbdev_null_logtype, RTE_LOG_NOTICE);
+}
--- /dev/null
+DPDK_18.02 {
+ local: *;
+};
--- /dev/null
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017 Intel Corporation
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+ifeq ($(FLEXRAN_SDK),)
+$(error "Please define FLEXRAN_SDK environment variable")
+endif
+
+# library name
+LIB = librte_pmd_bbdev_turbo_sw.a
+
+# build flags
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring -lrte_kvargs
+LDLIBS += -lrte_bbdev
+LDLIBS += -lrte_bus_vdev
+
+# versioning export map
+EXPORT_MAP := rte_pmd_bbdev_turbo_sw_version.map
+
+# external library dependencies
+CFLAGS += -I$(FLEXRAN_SDK)/lib_common
+CFLAGS += -I$(FLEXRAN_SDK)/lib_turbo
+CFLAGS += -I$(FLEXRAN_SDK)/lib_crc
+CFLAGS += -I$(FLEXRAN_SDK)/lib_rate_matching
+
+LDLIBS += -L$(FLEXRAN_SDK)/lib_crc -lcrc
+LDLIBS += -L$(FLEXRAN_SDK)/lib_turbo -lturbo
+LDLIBS += -L$(FLEXRAN_SDK)/lib_rate_matching -lrate_matching
+LDLIBS += -L$(FLEXRAN_SDK)/lib_common -lcommon
+LDLIBS += -lstdc++ -lirc -limf -lipps
+
+# library version
+LIBABIVER := 1
+
+# library source files
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_BBDEV_TURBO_SW) += bbdev_turbo_software.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Intel Corporation
+ */
+
+#include <string.h>
+
+#include <rte_common.h>
+#include <rte_bus_vdev.h>
+#include <rte_malloc.h>
+#include <rte_ring.h>
+#include <rte_kvargs.h>
+
+#include <rte_bbdev.h>
+#include <rte_bbdev_pmd.h>
+
+#include <phy_turbo.h>
+#include <phy_crc.h>
+#include <phy_rate_match.h>
+#include <divide.h>
+
+#define DRIVER_NAME turbo_sw
+
+/* Turbo SW PMD logging ID */
+static int bbdev_turbo_sw_logtype;
+
+/* Helper macro for logging */
+#define rte_bbdev_log(level, fmt, ...) \
+ rte_log(RTE_LOG_ ## level, bbdev_turbo_sw_logtype, fmt "\n", \
+ ##__VA_ARGS__)
+
+#define rte_bbdev_log_debug(fmt, ...) \
+ rte_bbdev_log(DEBUG, RTE_STR(__LINE__) ":%s() " fmt, __func__, \
+ ##__VA_ARGS__)
+
+/* Number of columns in sub-block interleaver (36.212, section 5.1.4.1.1) */
+#define C_SUBBLOCK (32)
+#define MAX_TB_SIZE (391656)
+#define MAX_CB_SIZE (6144)
+#define MAX_KW (18528)
+
+/* private data structure */
+struct bbdev_private {
+ unsigned int max_nb_queues; /**< Max number of queues */
+};
+
+/* Initialisation params structure that can be used by Turbo SW driver */
+struct turbo_sw_params {
+ int socket_id; /*< Turbo SW device socket */
+ uint16_t queues_num; /*< Turbo SW device queues number */
+};
+
+/* Accecptable params for Turbo SW devices */
+#define TURBO_SW_MAX_NB_QUEUES_ARG "max_nb_queues"
+#define TURBO_SW_SOCKET_ID_ARG "socket_id"
+
+static const char * const turbo_sw_valid_params[] = {
+ TURBO_SW_MAX_NB_QUEUES_ARG,
+ TURBO_SW_SOCKET_ID_ARG
+};
+
+/* queue */
+struct turbo_sw_queue {
+ /* Ring for processed (encoded/decoded) operations which are ready to
+ * be dequeued.
+ */
+ struct rte_ring *processed_pkts;
+ /* Stores input for turbo encoder (used when CRC attachment is
+ * performed
+ */
+ uint8_t *enc_in;
+ /* Stores output from turbo encoder */
+ uint8_t *enc_out;
+ /* Alpha gamma buf for bblib_turbo_decoder() function */
+ int8_t *ag;
+ /* Temp buf for bblib_turbo_decoder() function */
+ uint16_t *code_block;
+ /* Input buf for bblib_rate_dematching_lte() function */
+ uint8_t *deint_input;
+ /* Output buf for bblib_rate_dematching_lte() function */
+ uint8_t *deint_output;
+ /* Output buf for bblib_turbodec_adapter_lte() function */
+ uint8_t *adapter_output;
+ /* Operation type of this queue */
+ enum rte_bbdev_op_type type;
+} __rte_cache_aligned;
+
+/* Calculate index based on Table 5.1.3-3 from TS34.212 */
+static inline int32_t
+compute_idx(uint16_t k)
+{
+ int32_t result = 0;
+
+ if (k < 40 || k > MAX_CB_SIZE)
+ return -1;
+
+ if (k > 2048) {
+ if ((k - 2048) % 64 != 0)
+ result = -1;
+
+ result = 124 + (k - 2048) / 64;
+ } else if (k <= 512) {
+ if ((k - 40) % 8 != 0)
+ result = -1;
+
+ result = (k - 40) / 8 + 1;
+ } else if (k <= 1024) {
+ if ((k - 512) % 16 != 0)
+ result = -1;
+
+ result = 60 + (k - 512) / 16;
+ } else { /* 1024 < k <= 2048 */
+ if ((k - 1024) % 32 != 0)
+ result = -1;
+
+ result = 92 + (k - 1024) / 32;
+ }
+
+ return result;
+}
+
+/* Read flag value 0/1 from bitmap */
+static inline bool
+check_bit(uint32_t bitmap, uint32_t bitmask)
+{
+ return bitmap & bitmask;
+}
+
+/* Get device info */
+static void
+info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
+{
+ struct bbdev_private *internals = dev->data->dev_private;
+
+ static const struct rte_bbdev_op_cap bbdev_capabilities[] = {
+ {
+ .type = RTE_BBDEV_OP_TURBO_DEC,
+ .cap.turbo_dec = {
+ .capability_flags =
+ RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE |
+ RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN |
+ RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN |
+ RTE_BBDEV_TURBO_CRC_TYPE_24B |
+ RTE_BBDEV_TURBO_EARLY_TERMINATION,
+ .num_buffers_src = RTE_BBDEV_MAX_CODE_BLOCKS,
+ .num_buffers_hard_out =
+ RTE_BBDEV_MAX_CODE_BLOCKS,
+ .num_buffers_soft_out = 0,
+ }
+ },
+ {
+ .type = RTE_BBDEV_OP_TURBO_ENC,
+ .cap.turbo_enc = {
+ .capability_flags =
+ RTE_BBDEV_TURBO_CRC_24B_ATTACH |
+ RTE_BBDEV_TURBO_CRC_24A_ATTACH |
+ RTE_BBDEV_TURBO_RATE_MATCH |
+ RTE_BBDEV_TURBO_RV_INDEX_BYPASS,
+ .num_buffers_src = RTE_BBDEV_MAX_CODE_BLOCKS,
+ .num_buffers_dst = RTE_BBDEV_MAX_CODE_BLOCKS,
+ }
+ },
+ RTE_BBDEV_END_OF_CAPABILITIES_LIST()
+ };
+
+ static struct rte_bbdev_queue_conf default_queue_conf = {
+ .queue_size = RTE_BBDEV_QUEUE_SIZE_LIMIT,
+ };
+
+ static const enum rte_cpu_flag_t cpu_flag = RTE_CPUFLAG_SSE4_2;
+
+ default_queue_conf.socket = dev->data->socket_id;
+
+ dev_info->driver_name = RTE_STR(DRIVER_NAME);
+ dev_info->max_num_queues = internals->max_nb_queues;
+ dev_info->queue_size_lim = RTE_BBDEV_QUEUE_SIZE_LIMIT;
+ dev_info->hardware_accelerated = false;
+ dev_info->max_queue_priority = 0;
+ dev_info->default_queue_conf = default_queue_conf;
+ dev_info->capabilities = bbdev_capabilities;
+ dev_info->cpu_flag_reqs = &cpu_flag;
+ dev_info->min_alignment = 64;
+
+ rte_bbdev_log_debug("got device info from %u\n", dev->data->dev_id);
+}
+
+/* Release queue */
+static int
+q_release(struct rte_bbdev *dev, uint16_t q_id)
+{
+ struct turbo_sw_queue *q = dev->data->queues[q_id].queue_private;
+
+ if (q != NULL) {
+ rte_ring_free(q->processed_pkts);
+ rte_free(q->enc_out);
+ rte_free(q->enc_in);
+ rte_free(q->ag);
+ rte_free(q->code_block);
+ rte_free(q->deint_input);
+ rte_free(q->deint_output);
+ rte_free(q->adapter_output);
+ rte_free(q);
+ dev->data->queues[q_id].queue_private = NULL;
+ }
+
+ rte_bbdev_log_debug("released device queue %u:%u",
+ dev->data->dev_id, q_id);
+ return 0;
+}
+
+/* Setup a queue */
+static int
+q_setup(struct rte_bbdev *dev, uint16_t q_id,
+ const struct rte_bbdev_queue_conf *queue_conf)
+{
+ int ret;
+ struct turbo_sw_queue *q;
+ char name[RTE_RING_NAMESIZE];
+
+ /* Allocate the queue data structure. */
+ q = rte_zmalloc_socket(RTE_STR(DRIVER_NAME), sizeof(*q),
+ RTE_CACHE_LINE_SIZE, queue_conf->socket);
+ if (q == NULL) {
+ rte_bbdev_log(ERR, "Failed to allocate queue memory");
+ return -ENOMEM;
+ }
+
+ /* Allocate memory for encoder output. */
+ ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"_enc_out%u:%u",
+ dev->data->dev_id, q_id);
+ if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
+ rte_bbdev_log(ERR,
+ "Creating queue name for device %u queue %u failed",
+ dev->data->dev_id, q_id);
+ return -ENAMETOOLONG;
+ }
+ q->enc_out = rte_zmalloc_socket(name,
+ ((MAX_TB_SIZE >> 3) + 3) * sizeof(*q->enc_out) * 3,
+ RTE_CACHE_LINE_SIZE, queue_conf->socket);
+ if (q->enc_out == NULL) {
+ rte_bbdev_log(ERR,
+ "Failed to allocate queue memory for %s", name);
+ goto free_q;
+ }
+
+ /* Allocate memory for rate matching output. */
+ ret = snprintf(name, RTE_RING_NAMESIZE,
+ RTE_STR(DRIVER_NAME)"_enc_in%u:%u", dev->data->dev_id,
+ q_id);
+ if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
+ rte_bbdev_log(ERR,
+ "Creating queue name for device %u queue %u failed",
+ dev->data->dev_id, q_id);
+ return -ENAMETOOLONG;
+ }
+ q->enc_in = rte_zmalloc_socket(name,
+ (MAX_CB_SIZE >> 3) * sizeof(*q->enc_in),
+ RTE_CACHE_LINE_SIZE, queue_conf->socket);
+ if (q->enc_in == NULL) {
+ rte_bbdev_log(ERR,
+ "Failed to allocate queue memory for %s", name);
+ goto free_q;
+ }
+
+ /* Allocate memory for Aplha 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)) {
+ rte_bbdev_log(ERR,
+ "Creating queue name for device %u queue %u failed",
+ dev->data->dev_id, q_id);
+ return -ENAMETOOLONG;
+ }
+ q->ag = rte_zmalloc_socket(name,
+ MAX_CB_SIZE * 10 * sizeof(*q->ag),
+ RTE_CACHE_LINE_SIZE, queue_conf->socket);
+ if (q->ag == NULL) {
+ rte_bbdev_log(ERR,
+ "Failed to allocate queue memory for %s", name);
+ goto free_q;
+ }
+
+ /* Allocate memory for code block temp buffer. */
+ ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"_cb%u:%u",
+ dev->data->dev_id, q_id);
+ if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
+ rte_bbdev_log(ERR,
+ "Creating queue name for device %u queue %u failed",
+ dev->data->dev_id, q_id);
+ return -ENAMETOOLONG;
+ }
+ q->code_block = rte_zmalloc_socket(name,
+ (6144 >> 3) * sizeof(*q->code_block),
+ RTE_CACHE_LINE_SIZE, queue_conf->socket);
+ if (q->code_block == NULL) {
+ rte_bbdev_log(ERR,
+ "Failed to allocate queue memory for %s", name);
+ goto free_q;
+ }
+
+ /* Allocate memory for Deinterleaver input. */
+ ret = snprintf(name, RTE_RING_NAMESIZE,
+ RTE_STR(DRIVER_NAME)"_deint_input%u:%u",
+ dev->data->dev_id, q_id);
+ if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
+ rte_bbdev_log(ERR,
+ "Creating queue name for device %u queue %u failed",
+ dev->data->dev_id, q_id);
+ return -ENAMETOOLONG;
+ }
+ q->deint_input = rte_zmalloc_socket(name,
+ MAX_KW * sizeof(*q->deint_input),
+ RTE_CACHE_LINE_SIZE, queue_conf->socket);
+ if (q->deint_input == NULL) {
+ rte_bbdev_log(ERR,
+ "Failed to allocate queue memory for %s", name);
+ goto free_q;
+ }
+
+ /* Allocate memory for Deinterleaver output. */
+ ret = snprintf(name, RTE_RING_NAMESIZE,
+ RTE_STR(DRIVER_NAME)"_deint_output%u:%u",
+ dev->data->dev_id, q_id);
+ if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
+ rte_bbdev_log(ERR,
+ "Creating queue name for device %u queue %u failed",
+ dev->data->dev_id, q_id);
+ return -ENAMETOOLONG;
+ }
+ q->deint_output = rte_zmalloc_socket(NULL,
+ MAX_KW * sizeof(*q->deint_output),
+ RTE_CACHE_LINE_SIZE, queue_conf->socket);
+ if (q->deint_output == NULL) {
+ rte_bbdev_log(ERR,
+ "Failed to allocate queue memory for %s", name);
+ goto free_q;
+ }
+
+ /* Allocate memory for Adapter output. */
+ ret = snprintf(name, RTE_RING_NAMESIZE,
+ RTE_STR(DRIVER_NAME)"_adapter_output%u:%u",
+ dev->data->dev_id, q_id);
+ if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
+ rte_bbdev_log(ERR,
+ "Creating queue name for device %u queue %u failed",
+ dev->data->dev_id, q_id);
+ return -ENAMETOOLONG;
+ }
+ q->adapter_output = rte_zmalloc_socket(NULL,
+ MAX_CB_SIZE * 6 * sizeof(*q->adapter_output),
+ RTE_CACHE_LINE_SIZE, queue_conf->socket);
+ if (q->adapter_output == NULL) {
+ rte_bbdev_log(ERR,
+ "Failed to allocate queue memory for %s", name);
+ goto free_q;
+ }
+
+ /* Create ring for packets awaiting to be dequeued. */
+ ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"%u:%u",
+ dev->data->dev_id, q_id);
+ if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
+ rte_bbdev_log(ERR,
+ "Creating queue name for device %u queue %u failed",
+ dev->data->dev_id, q_id);
+ return -ENAMETOOLONG;
+ }
+ q->processed_pkts = rte_ring_create(name, queue_conf->queue_size,
+ queue_conf->socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
+ if (q->processed_pkts == NULL) {
+ rte_bbdev_log(ERR, "Failed to create ring for %s", name);
+ goto free_q;
+ }
+
+ q->type = queue_conf->op_type;
+
+ dev->data->queues[q_id].queue_private = q;
+ rte_bbdev_log_debug("setup device queue %s", name);
+ return 0;
+
+free_q:
+ rte_ring_free(q->processed_pkts);
+ rte_free(q->enc_out);
+ rte_free(q->enc_in);
+ rte_free(q->ag);
+ rte_free(q->code_block);
+ rte_free(q->deint_input);
+ rte_free(q->deint_output);
+ rte_free(q->adapter_output);
+ rte_free(q);
+ return -EFAULT;
+}
+
+static const struct rte_bbdev_ops pmd_ops = {
+ .info_get = info_get,
+ .queue_setup = q_setup,
+ .queue_release = q_release
+};
+
+/* Checks if the encoder input buffer is correct.
+ * Returns 0 if it's valid, -1 otherwise.
+ */
+static inline int
+is_enc_input_valid(const uint16_t k, const int32_t k_idx,
+ const uint16_t in_length)
+{
+ if (k_idx < 0) {
+ rte_bbdev_log(ERR, "K Index is invalid");
+ return -1;
+ }
+
+ if (in_length - (k >> 3) < 0) {
+ rte_bbdev_log(ERR,
+ "Mismatch between input length (%u bytes) and K (%u bits)",
+ in_length, k);
+ return -1;
+ }
+
+ if (k > MAX_CB_SIZE) {
+ rte_bbdev_log(ERR, "CB size (%u) is too big, max: %d",
+ k, MAX_CB_SIZE);
+ return -1;
+ }
+
+ return 0;
+}
+
+/* Checks if the decoder input buffer is correct.
+ * Returns 0 if it's valid, -1 otherwise.
+ */
+static inline int
+is_dec_input_valid(int32_t k_idx, int16_t kw, int16_t in_length)
+{
+ if (k_idx < 0) {
+ rte_bbdev_log(ERR, "K index is invalid");
+ return -1;
+ }
+
+ if (in_length - kw < 0) {
+ rte_bbdev_log(ERR,
+ "Mismatch between input length (%u) and kw (%u)",
+ in_length, kw);
+ return -1;
+ }
+
+ if (kw > MAX_KW) {
+ rte_bbdev_log(ERR, "Input length (%u) is too big, max: %d",
+ kw, MAX_KW);
+ return -1;
+ }
+
+ return 0;
+}
+
+static inline void
+process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op,
+ uint8_t cb_idx, uint8_t c, uint16_t k, uint16_t ncb,
+ uint32_t e, struct rte_mbuf *m_in, struct rte_mbuf *m_out,
+ uint16_t in_offset, uint16_t out_offset, uint16_t total_left)
+{
+ int ret;
+ int16_t k_idx;
+ uint16_t m;
+ uint8_t *in, *out0, *out1, *out2, *tmp_out, *rm_out;
+ struct rte_bbdev_op_turbo_enc *enc = &op->turbo_enc;
+ struct bblib_crc_request crc_req;
+ struct bblib_turbo_encoder_request turbo_req;
+ struct bblib_turbo_encoder_response turbo_resp;
+ struct bblib_rate_match_dl_request rm_req;
+ struct bblib_rate_match_dl_response rm_resp;
+
+ k_idx = compute_idx(k);
+ in = rte_pktmbuf_mtod_offset(m_in, uint8_t *, in_offset);
+
+ /* CRC24A (for TB) */
+ if ((enc->op_flags & RTE_BBDEV_TURBO_CRC_24A_ATTACH) &&
+ (enc->code_block_mode == 1)) {
+ ret = is_enc_input_valid(k - 24, k_idx, total_left);
+ if (ret != 0) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ return;
+ }
+ /* copy the input to the temporary buffer to be able to extend
+ * it by 3 CRC bytes
+ */
+ rte_memcpy(q->enc_in, in, (k - 24) >> 3);
+ crc_req.data = q->enc_in;
+ crc_req.len = (k - 24) >> 3;
+ if (bblib_lte_crc24a_gen(&crc_req) == -1) {
+ op->status |= 1 << RTE_BBDEV_CRC_ERROR;
+ rte_bbdev_log(ERR, "CRC24a generation failed");
+ return;
+ }
+ in = q->enc_in;
+ } else if (enc->op_flags & RTE_BBDEV_TURBO_CRC_24B_ATTACH) {
+ /* CRC24B */
+ ret = is_enc_input_valid(k - 24, k_idx, total_left);
+ if (ret != 0) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ return;
+ }
+ /* copy the input to the temporary buffer to be able to extend
+ * it by 3 CRC bytes
+ */
+ rte_memcpy(q->enc_in, in, (k - 24) >> 3);
+ crc_req.data = q->enc_in;
+ crc_req.len = (k - 24) >> 3;
+ if (bblib_lte_crc24b_gen(&crc_req) == -1) {
+ op->status |= 1 << RTE_BBDEV_CRC_ERROR;
+ rte_bbdev_log(ERR, "CRC24b generation failed");
+ return;
+ }
+ in = q->enc_in;
+ } else {
+ ret = is_enc_input_valid(k, k_idx, total_left);
+ if (ret != 0) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ return;
+ }
+ }
+
+ /* Turbo encoder */
+
+ /* Each bit layer output from turbo encoder is (k+4) bits long, i.e.
+ * input length + 4 tail bits. That's (k/8) + 1 bytes after rounding up.
+ * So dst_data's length should be 3*(k/8) + 3 bytes.
+ */
+ out0 = q->enc_out;
+ out1 = RTE_PTR_ADD(out0, (k >> 3) + 1);
+ out2 = RTE_PTR_ADD(out1, (k >> 3) + 1);
+
+ turbo_req.case_id = k_idx;
+ turbo_req.input_win = in;
+ turbo_req.length = k >> 3;
+ turbo_resp.output_win_0 = out0;
+ turbo_resp.output_win_1 = out1;
+ turbo_resp.output_win_2 = out2;
+ if (bblib_turbo_encoder(&turbo_req, &turbo_resp) != 0) {
+ op->status |= 1 << RTE_BBDEV_DRV_ERROR;
+ rte_bbdev_log(ERR, "Turbo Encoder failed");
+ return;
+ }
+
+ /* Rate-matching */
+ if (enc->op_flags & RTE_BBDEV_TURBO_RATE_MATCH) {
+ /* get output data starting address */
+ rm_out = (uint8_t *)rte_pktmbuf_append(m_out, (e >> 3));
+ 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);
+
+ /* index of current code block */
+ rm_req.r = cb_idx;
+ /* total number of code block */
+ rm_req.C = c;
+ /* For DL - 1, UL - 0 */
+ rm_req.direction = 1;
+ /* According to 3ggp 36.212 Spec 5.1.4.1.2 section Nsoft, KMIMO
+ * and MDL_HARQ are used for Ncb calculation. As Ncb is already
+ * known we can adjust those parameters
+ */
+ rm_req.Nsoft = ncb * rm_req.C;
+ rm_req.KMIMO = 1;
+ rm_req.MDL_HARQ = 1;
+ /* According to 3ggp 36.212 Spec 5.1.4.1.2 section Nl, Qm and G
+ * are used for E calculation. As E is already known we can
+ * adjust those parameters
+ */
+ rm_req.NL = e;
+ rm_req.Qm = 1;
+ rm_req.G = rm_req.NL * rm_req.Qm * rm_req.C;
+
+ rm_req.rvidx = enc->rv_index;
+ rm_req.Kidx = k_idx - 1;
+ rm_req.nLen = k + 4;
+ rm_req.tin0 = out0;
+ rm_req.tin1 = out1;
+ rm_req.tin2 = out2;
+ rm_resp.output = rm_out;
+ rm_resp.OutputLen = (e >> 3);
+ if (enc->op_flags & RTE_BBDEV_TURBO_RV_INDEX_BYPASS)
+ rm_req.bypass_rvidx = 1;
+ else
+ rm_req.bypass_rvidx = 0;
+
+ if (bblib_rate_match_dl(&rm_req, &rm_resp) != 0) {
+ op->status |= 1 << RTE_BBDEV_DRV_ERROR;
+ rte_bbdev_log(ERR, "Rate matching failed");
+ return;
+ }
+ enc->output.length += rm_resp.OutputLen;
+ } else {
+ /* Rate matching is bypassed */
+
+ /* Completing last byte of out0 (where 4 tail bits are stored)
+ * by moving first 4 bits from out1
+ */
+ tmp_out = (uint8_t *) --out1;
+ *tmp_out = *tmp_out | ((*(tmp_out + 1) & 0xF0) >> 4);
+ tmp_out++;
+ /* Shifting out1 data by 4 bits to the left */
+ for (m = 0; m < k >> 3; ++m) {
+ uint8_t *first = tmp_out;
+ uint8_t second = *(tmp_out + 1);
+ *first = (*first << 4) | ((second & 0xF0) >> 4);
+ tmp_out++;
+ }
+ /* Shifting out2 data by 8 bits to the left */
+ for (m = 0; m < (k >> 3) + 1; ++m) {
+ *tmp_out = *(tmp_out + 1);
+ tmp_out++;
+ }
+ *tmp_out = 0;
+
+ /* copy shifted output to turbo_enc entity */
+ out0 = (uint8_t *)rte_pktmbuf_append(m_out,
+ (k >> 3) * 3 + 2);
+ if (out0 == NULL) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ rte_bbdev_log(ERR,
+ "Too little space in output mbuf");
+ return;
+ }
+ enc->output.length += (k >> 3) * 3 + 2;
+ /* rte_bbdev_op_data.offset can be different than the
+ * offset of the appended bytes
+ */
+ out0 = rte_pktmbuf_mtod_offset(m_out, uint8_t *,
+ out_offset);
+ rte_memcpy(out0, q->enc_out, (k >> 3) * 3 + 2);
+ }
+}
+
+static inline void
+enqueue_enc_one_op(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op)
+{
+ uint8_t c, r, crc24_bits = 0;
+ uint16_t k, ncb;
+ uint32_t e;
+ struct rte_bbdev_op_turbo_enc *enc = &op->turbo_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;
+ uint16_t total_left = enc->input.length;
+
+ /* Clear op status */
+ op->status = 0;
+
+ if (total_left > MAX_TB_SIZE >> 3) {
+ rte_bbdev_log(ERR, "TB size (%u) is too big, max: %d",
+ total_left, 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 (total_left > 0 && r < c) {
+ if (enc->code_block_mode == 0) {
+ k = (r < enc->tb_params.c_neg) ?
+ enc->tb_params.k_neg : enc->tb_params.k_pos;
+ ncb = (r < enc->tb_params.c_neg) ?
+ enc->tb_params.ncb_neg : enc->tb_params.ncb_pos;
+ e = (r < enc->tb_params.cab) ?
+ enc->tb_params.ea : enc->tb_params.eb;
+ } else {
+ k = enc->cb_params.k;
+ ncb = enc->cb_params.ncb;
+ e = enc->cb_params.e;
+ }
+
+ process_enc_cb(q, op, r, c, k, ncb, e, m_in,
+ m_out, in_offset, out_offset, total_left);
+ /* Update total_left */
+ total_left -= (k - crc24_bits) >> 3;
+ /* Update offsets for next CBs (if exist) */
+ in_offset += (k - crc24_bits) >> 3;
+ if (enc->op_flags & RTE_BBDEV_TURBO_RATE_MATCH)
+ out_offset += e >> 3;
+ else
+ out_offset += (k >> 3) * 3 + 2;
+ r++;
+ }
+
+ /* check if all input data was processed */
+ if (total_left != 0) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ rte_bbdev_log(ERR,
+ "Mismatch between mbuf length and included CBs sizes");
+ }
+}
+
+static inline uint16_t
+enqueue_enc_all_ops(struct turbo_sw_queue *q, struct rte_bbdev_enc_op **ops,
+ uint16_t nb_ops)
+{
+ uint16_t i;
+
+ for (i = 0; i < nb_ops; ++i)
+ enqueue_enc_one_op(q, ops[i]);
+
+ return rte_ring_enqueue_burst(q->processed_pkts, (void **)ops, nb_ops,
+ NULL);
+}
+
+/* Remove the padding bytes from a cyclic buffer.
+ * The input buffer is a data stream wk as described in 3GPP TS 36.212 section
+ * 5.1.4.1.2 starting from w0 and with length Ncb bytes.
+ * The output buffer is a data stream wk with pruned padding bytes. It's length
+ * is 3*D bytes and the order of non-padding bytes is preserved.
+ */
+static inline void
+remove_nulls_from_circular_buf(const uint8_t *in, uint8_t *out, uint16_t k,
+ uint16_t ncb)
+{
+ uint32_t in_idx, out_idx, c_idx;
+ const uint32_t d = k + 4;
+ const uint32_t kw = (ncb / 3);
+ const uint32_t nd = kw - d;
+ const uint32_t r_subblock = kw / C_SUBBLOCK;
+ /* Inter-column permutation pattern */
+ const uint32_t P[C_SUBBLOCK] = {0, 16, 8, 24, 4, 20, 12, 28, 2, 18, 10,
+ 26, 6, 22, 14, 30, 1, 17, 9, 25, 5, 21, 13, 29, 3, 19,
+ 11, 27, 7, 23, 15, 31};
+ in_idx = 0;
+ out_idx = 0;
+
+ /* The padding bytes are at the first Nd positions in the first row. */
+ for (c_idx = 0; in_idx < kw; in_idx += r_subblock, ++c_idx) {
+ if (P[c_idx] < nd) {
+ rte_memcpy(&out[out_idx], &in[in_idx + 1],
+ r_subblock - 1);
+ out_idx += r_subblock - 1;
+ } else {
+ rte_memcpy(&out[out_idx], &in[in_idx], r_subblock);
+ out_idx += r_subblock;
+ }
+ }
+
+ /* First and second parity bits sub-blocks are interlaced. */
+ for (c_idx = 0; in_idx < ncb - 2 * r_subblock;
+ in_idx += 2 * r_subblock, ++c_idx) {
+ uint32_t second_block_c_idx = P[c_idx];
+ uint32_t third_block_c_idx = P[c_idx] + 1;
+
+ if (second_block_c_idx < nd && third_block_c_idx < nd) {
+ rte_memcpy(&out[out_idx], &in[in_idx + 2],
+ 2 * r_subblock - 2);
+ out_idx += 2 * r_subblock - 2;
+ } else if (second_block_c_idx >= nd &&
+ third_block_c_idx >= nd) {
+ rte_memcpy(&out[out_idx], &in[in_idx], 2 * r_subblock);
+ out_idx += 2 * r_subblock;
+ } else if (second_block_c_idx < nd) {
+ out[out_idx++] = in[in_idx];
+ rte_memcpy(&out[out_idx], &in[in_idx + 2],
+ 2 * r_subblock - 2);
+ out_idx += 2 * r_subblock - 2;
+ } else {
+ rte_memcpy(&out[out_idx], &in[in_idx + 1],
+ 2 * r_subblock - 1);
+ out_idx += 2 * r_subblock - 1;
+ }
+ }
+
+ /* Last interlaced row is different - its last byte is the only padding
+ * byte. We can have from 2 up to 26 padding bytes (Nd) per sub-block.
+ * After interlacing the 1st and 2nd parity sub-blocks we can have 0, 1
+ * or 2 padding bytes each time we make a step of 2 * R_SUBBLOCK bytes
+ * (moving to another column). 2nd parity sub-block uses the same
+ * inter-column permutation pattern as the systematic and 1st parity
+ * sub-blocks but it adds '1' to the resulting index and calculates the
+ * modulus of the result and Kw. Last column is mapped to itself (id 31)
+ * so the first byte taken from the 2nd parity sub-block will be the
+ * 32nd (31+1) byte, then 64th etc. (step is C_SUBBLOCK == 32) and the
+ * last byte will be the first byte from the sub-block:
+ * (32 + 32 * (R_SUBBLOCK-1)) % Kw == Kw % Kw == 0. Nd can't be smaller
+ * than 2 so we know that bytes with ids 0 and 1 must be the padding
+ * bytes. The bytes from the 1st parity sub-block are the bytes from the
+ * 31st column - Nd can't be greater than 26 so we are sure that there
+ * are no padding bytes in 31st column.
+ */
+ rte_memcpy(&out[out_idx], &in[in_idx], 2 * r_subblock - 1);
+}
+
+static inline void
+move_padding_bytes(const uint8_t *in, uint8_t *out, uint16_t k,
+ uint16_t ncb)
+{
+ uint16_t d = k + 4;
+ uint16_t kpi = ncb / 3;
+ uint16_t nd = kpi - d;
+
+ rte_memcpy(&out[nd], in, d);
+ rte_memcpy(&out[nd + kpi + 64], &in[kpi], d);
+ rte_memcpy(&out[nd + 2 * (kpi + 64)], &in[2 * kpi], d);
+}
+
+static inline void
+process_dec_cb(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op,
+ uint8_t c, uint16_t k, uint16_t kw, struct rte_mbuf *m_in,
+ struct rte_mbuf *m_out, uint16_t in_offset, uint16_t out_offset,
+ bool check_crc_24b, uint16_t total_left)
+{
+ int ret;
+ int32_t k_idx;
+ int32_t iter_cnt;
+ uint8_t *in, *out, *adapter_input;
+ int32_t ncb, ncb_without_null;
+ struct bblib_turbo_adapter_ul_response adapter_resp;
+ struct bblib_turbo_adapter_ul_request adapter_req;
+ struct bblib_turbo_decoder_request turbo_req;
+ struct bblib_turbo_decoder_response turbo_resp;
+ struct rte_bbdev_op_turbo_dec *dec = &op->turbo_dec;
+
+ k_idx = compute_idx(k);
+
+ ret = is_dec_input_valid(k_idx, kw, total_left);
+ if (ret != 0) {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ return;
+ }
+
+ in = rte_pktmbuf_mtod_offset(m_in, uint8_t *, in_offset);
+ ncb = kw;
+ ncb_without_null = (k + 4) * 3;
+
+ if (check_bit(dec->op_flags, RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE)) {
+ struct bblib_deinterleave_ul_request deint_req;
+ struct bblib_deinterleave_ul_response deint_resp;
+
+ /* SW decoder accepts only a circular buffer without NULL bytes
+ * so the input needs to be converted.
+ */
+ remove_nulls_from_circular_buf(in, q->deint_input, k, ncb);
+
+ deint_req.pharqbuffer = q->deint_input;
+ deint_req.ncb = ncb_without_null;
+ deint_resp.pinteleavebuffer = q->deint_output;
+ bblib_deinterleave_ul(&deint_req, &deint_resp);
+ } else
+ move_padding_bytes(in, q->deint_output, k, ncb);
+
+ adapter_input = q->deint_output;
+
+ if (dec->op_flags & RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN)
+ adapter_req.isinverted = 1;
+ else if (dec->op_flags & RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN)
+ adapter_req.isinverted = 0;
+ else {
+ op->status |= 1 << RTE_BBDEV_DRV_ERROR;
+ rte_bbdev_log(ERR, "LLR format wasn't specified");
+ return;
+ }
+
+ adapter_req.ncb = ncb_without_null;
+ adapter_req.pinteleavebuffer = adapter_input;
+ adapter_resp.pharqout = q->adapter_output;
+ bblib_turbo_adapter_ul(&adapter_req, &adapter_resp);
+
+ out = (uint8_t *)rte_pktmbuf_append(m_out, (k >> 3));
+ if (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
+ */
+ out = rte_pktmbuf_mtod_offset(m_out, uint8_t *, out_offset);
+ if (check_crc_24b)
+ turbo_req.c = c + 1;
+ else
+ turbo_req.c = c;
+ turbo_req.input = (int8_t *)q->adapter_output;
+ turbo_req.k = k;
+ turbo_req.k_idx = k_idx;
+ turbo_req.max_iter_num = dec->iter_max;
+ turbo_resp.ag_buf = q->ag;
+ turbo_resp.cb_buf = q->code_block;
+ turbo_resp.output = out;
+ iter_cnt = bblib_turbo_decoder(&turbo_req, &turbo_resp);
+ dec->hard_output.length += (k >> 3);
+
+ if (iter_cnt > 0) {
+ /* Temporary solution for returned iter_count from SDK */
+ iter_cnt = (iter_cnt - 1) / 2;
+ dec->iter_count = RTE_MAX(iter_cnt, dec->iter_count);
+ } else {
+ op->status |= 1 << RTE_BBDEV_DATA_ERROR;
+ rte_bbdev_log(ERR, "Turbo Decoder failed");
+ return;
+ }
+}
+
+static inline void
+enqueue_dec_one_op(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op)
+{
+ uint8_t c, r = 0;
+ uint16_t kw, k = 0;
+ struct rte_bbdev_op_turbo_dec *dec = &op->turbo_dec;
+ struct rte_mbuf *m_in = dec->input.data;
+ struct rte_mbuf *m_out = dec->hard_output.data;
+ uint16_t in_offset = dec->input.offset;
+ uint16_t total_left = dec->input.length;
+ uint16_t out_offset = dec->hard_output.offset;
+
+ /* 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;
+ } else { /* For Code Block mode */
+ k = dec->cb_params.k;
+ c = 1;
+ }
+
+ while (total_left > 0) {
+ if (dec->code_block_mode == 0)
+ k = (r < dec->tb_params.c_neg) ?
+ dec->tb_params.k_neg : dec->tb_params.k_pos;
+
+ /* Calculates circular buffer size (Kw).
+ * According to 3gpp 36.212 section 5.1.4.2
+ * Kw = 3 * Kpi,
+ * where:
+ * Kpi = nCol * nRow
+ * where nCol is 32 and nRow can be calculated from:
+ * D =< nCol * nRow
+ * where D is the size of each output from turbo encoder block
+ * (k + 4).
+ */
+ kw = RTE_ALIGN_CEIL(k + 4, C_SUBBLOCK) * 3;
+
+ process_dec_cb(q, op, c, k, kw, m_in, m_out, in_offset,
+ out_offset, check_bit(dec->op_flags,
+ RTE_BBDEV_TURBO_CRC_TYPE_24B), total_left);
+ /* As a result of decoding we get Code Block with included
+ * decoded CRC24 at the end of Code Block. Type of CRC24 is
+ * specified by flag.
+ */
+
+ /* Update total_left */
+ total_left -= kw;
+ /* Update offsets for next CBs (if exist) */
+ in_offset += kw;
+ out_offset += (k >> 3);
+ r++;
+ }
+ if (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 uint16_t
+enqueue_dec_all_ops(struct turbo_sw_queue *q, struct rte_bbdev_dec_op **ops,
+ uint16_t nb_ops)
+{
+ uint16_t i;
+
+ for (i = 0; i < nb_ops; ++i)
+ enqueue_dec_one_op(q, ops[i]);
+
+ 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,
+ 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_enc_all_ops(q, ops, nb_ops);
+
+ 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,
+ 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_dec_all_ops(q, ops, nb_ops);
+
+ 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,
+ struct rte_bbdev_dec_op **ops, uint16_t nb_ops)
+{
+ struct turbo_sw_queue *q = q_data->queue_private;
+ uint16_t nb_dequeued = rte_ring_dequeue_burst(q->processed_pkts,
+ (void **)ops, nb_ops, NULL);
+ q_data->queue_stats.dequeued_count += nb_dequeued;
+
+ return nb_dequeued;
+}
+
+/* Dequeue encode burst */
+static uint16_t
+dequeue_enc_ops(struct rte_bbdev_queue_data *q_data,
+ struct rte_bbdev_enc_op **ops, uint16_t nb_ops)
+{
+ struct turbo_sw_queue *q = q_data->queue_private;
+ uint16_t nb_dequeued = rte_ring_dequeue_burst(q->processed_pkts,
+ (void **)ops, nb_ops, NULL);
+ q_data->queue_stats.dequeued_count += nb_dequeued;
+
+ return nb_dequeued;
+}
+
+/* Parse 16bit integer from string argument */
+static inline int
+parse_u16_arg(const char *key, const char *value, void *extra_args)
+{
+ uint16_t *u16 = extra_args;
+ unsigned int long result;
+
+ if ((value == NULL) || (extra_args == NULL))
+ return -EINVAL;
+ errno = 0;
+ result = strtoul(value, NULL, 0);
+ if ((result >= (1 << 16)) || (errno != 0)) {
+ rte_bbdev_log(ERR, "Invalid value %lu for %s", result, key);
+ return -ERANGE;
+ }
+ *u16 = (uint16_t)result;
+ return 0;
+}
+
+/* Parse parameters used to create device */
+static int
+parse_turbo_sw_params(struct turbo_sw_params *params, const char *input_args)
+{
+ struct rte_kvargs *kvlist = NULL;
+ int ret = 0;
+
+ if (params == NULL)
+ return -EINVAL;
+ if (input_args) {
+ kvlist = rte_kvargs_parse(input_args, turbo_sw_valid_params);
+ if (kvlist == NULL)
+ return -EFAULT;
+
+ ret = rte_kvargs_process(kvlist, turbo_sw_valid_params[0],
+ &parse_u16_arg, ¶ms->queues_num);
+ if (ret < 0)
+ goto exit;
+
+ ret = rte_kvargs_process(kvlist, turbo_sw_valid_params[1],
+ &parse_u16_arg, ¶ms->socket_id);
+ if (ret < 0)
+ goto exit;
+
+ if (params->socket_id >= RTE_MAX_NUMA_NODES) {
+ rte_bbdev_log(ERR, "Invalid socket, must be < %u",
+ RTE_MAX_NUMA_NODES);
+ goto exit;
+ }
+ }
+
+exit:
+ if (kvlist)
+ rte_kvargs_free(kvlist);
+ return ret;
+}
+
+/* Create device */
+static int
+turbo_sw_bbdev_create(struct rte_vdev_device *vdev,
+ struct turbo_sw_params *init_params)
+{
+ struct rte_bbdev *bbdev;
+ const char *name = rte_vdev_device_name(vdev);
+
+ bbdev = rte_bbdev_allocate(name);
+ if (bbdev == NULL)
+ return -ENODEV;
+
+ bbdev->data->dev_private = rte_zmalloc_socket(name,
+ sizeof(struct bbdev_private), RTE_CACHE_LINE_SIZE,
+ init_params->socket_id);
+ if (bbdev->data->dev_private == NULL) {
+ rte_bbdev_release(bbdev);
+ return -ENOMEM;
+ }
+
+ bbdev->dev_ops = &pmd_ops;
+ bbdev->device = &vdev->device;
+ bbdev->data->socket_id = init_params->socket_id;
+ bbdev->intr_handle = NULL;
+
+ /* register rx/tx burst functions for data path */
+ bbdev->dequeue_enc_ops = dequeue_enc_ops;
+ bbdev->dequeue_dec_ops = dequeue_dec_ops;
+ bbdev->enqueue_enc_ops = enqueue_enc_ops;
+ bbdev->enqueue_dec_ops = enqueue_dec_ops;
+ ((struct bbdev_private *) bbdev->data->dev_private)->max_nb_queues =
+ init_params->queues_num;
+
+ return 0;
+}
+
+/* Initialise device */
+static int
+turbo_sw_bbdev_probe(struct rte_vdev_device *vdev)
+{
+ struct turbo_sw_params init_params = {
+ rte_socket_id(),
+ RTE_BBDEV_DEFAULT_MAX_NB_QUEUES
+ };
+ const char *name;
+ const char *input_args;
+
+ if (vdev == NULL)
+ return -EINVAL;
+
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+ input_args = rte_vdev_device_args(vdev);
+ parse_turbo_sw_params(&init_params, input_args);
+
+ rte_bbdev_log_debug(
+ "Initialising %s on NUMA node %d with max queues: %d\n",
+ name, init_params.socket_id, init_params.queues_num);
+
+ return turbo_sw_bbdev_create(vdev, &init_params);
+}
+
+/* Uninitialise device */
+static int
+turbo_sw_bbdev_remove(struct rte_vdev_device *vdev)
+{
+ struct rte_bbdev *bbdev;
+ const char *name;
+
+ if (vdev == NULL)
+ return -EINVAL;
+
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+
+ bbdev = rte_bbdev_get_named_dev(name);
+ if (bbdev == NULL)
+ return -EINVAL;
+
+ rte_free(bbdev->data->dev_private);
+
+ return rte_bbdev_release(bbdev);
+}
+
+static struct rte_vdev_driver bbdev_turbo_sw_pmd_drv = {
+ .probe = turbo_sw_bbdev_probe,
+ .remove = turbo_sw_bbdev_remove
+};
+
+RTE_PMD_REGISTER_VDEV(DRIVER_NAME, bbdev_turbo_sw_pmd_drv);
+RTE_PMD_REGISTER_PARAM_STRING(DRIVER_NAME,
+ TURBO_SW_MAX_NB_QUEUES_ARG"=<int> "
+ TURBO_SW_SOCKET_ID_ARG"=<int>");
+
+RTE_INIT(null_bbdev_init_log);
+static void
+null_bbdev_init_log(void)
+{
+ bbdev_turbo_sw_logtype = rte_log_register("pmd.bb.turbo_sw");
+ if (bbdev_turbo_sw_logtype >= 0)
+ rte_log_set_level(bbdev_turbo_sw_logtype, RTE_LOG_NOTICE);
+}
--- /dev/null
+DPDK_18.02 {
+ local: *;
+};
+++ /dev/null
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2017 Intel Corporation
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-core-libs := librte_eal librte_mbuf librte_mempool librte_ring
-core-libs += librte_bbdev librte_kvargs librte_cfgfile
-
-DIRS-$(CONFIG_RTE_LIBRTE_PMD_BBDEV_NULL) += null
-DEPDIRS-null = $(core-libs)
-DIRS-$(CONFIG_RTE_LIBRTE_PMD_BBDEV_TURBO_SW) += turbo_sw
-DEPDIRS-turbo_sw = $(core-libs)
-
-include $(RTE_SDK)/mk/rte.subdir.mk
+++ /dev/null
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2017 Intel Corporation
-
-include $(RTE_SDK)/mk/rte.vars.mk
-# library name
-LIB = librte_pmd_bbdev_null.a
-
-# build flags
-CFLAGS += -DALLOW_EXPERIMENTAL_API
-CFLAGS += -O3
-CFLAGS += $(WERROR_FLAGS)
-LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring -lrte_kvargs
-LDLIBS += -lrte_bbdev
-LDLIBS += -lrte_bus_vdev
-
-# versioning export map
-EXPORT_MAP := rte_pmd_bbdev_null_version.map
-
-# library version
-LIBABIVER := 1
-
-# library source files
-SRCS-$(CONFIG_RTE_LIBRTE_PMD_BBDEV_NULL) += bbdev_null.c
-
-include $(RTE_SDK)/mk/rte.lib.mk
+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2017 Intel Corporation
- */
-
-#include <string.h>
-
-#include <rte_common.h>
-#include <rte_bus_vdev.h>
-#include <rte_malloc.h>
-#include <rte_ring.h>
-#include <rte_kvargs.h>
-
-#include <rte_bbdev.h>
-#include <rte_bbdev_pmd.h>
-
-#define DRIVER_NAME bbdev_null
-
-/* NULL BBDev logging ID */
-static int bbdev_null_logtype;
-
-/* Helper macro for logging */
-#define rte_bbdev_log(level, fmt, ...) \
- rte_log(RTE_LOG_ ## level, bbdev_null_logtype, fmt "\n", ##__VA_ARGS__)
-
-#define rte_bbdev_log_debug(fmt, ...) \
- rte_bbdev_log(DEBUG, RTE_STR(__LINE__) ":%s() " fmt, __func__, \
- ##__VA_ARGS__)
-
-/* Initialisation params structure that can be used by null BBDEV driver */
-struct bbdev_null_params {
- int socket_id; /*< Null BBDEV socket */
- uint16_t queues_num; /*< Null BBDEV queues number */
-};
-
-/* Accecptable params for null BBDEV devices */
-#define BBDEV_NULL_MAX_NB_QUEUES_ARG "max_nb_queues"
-#define BBDEV_NULL_SOCKET_ID_ARG "socket_id"
-
-static const char * const bbdev_null_valid_params[] = {
- BBDEV_NULL_MAX_NB_QUEUES_ARG,
- BBDEV_NULL_SOCKET_ID_ARG
-};
-
-/* private data structure */
-struct bbdev_private {
- unsigned int max_nb_queues; /**< Max number of queues */
-};
-
-/* queue */
-struct bbdev_queue {
- struct rte_ring *processed_pkts; /* Ring for processed packets */
-} __rte_cache_aligned;
-
-/* Get device info */
-static void
-info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
-{
- struct bbdev_private *internals = dev->data->dev_private;
-
- static const struct rte_bbdev_op_cap bbdev_capabilities[] = {
- RTE_BBDEV_END_OF_CAPABILITIES_LIST(),
- };
-
- static struct rte_bbdev_queue_conf default_queue_conf = {
- .queue_size = RTE_BBDEV_QUEUE_SIZE_LIMIT,
- };
-
- default_queue_conf.socket = dev->data->socket_id;
-
- dev_info->driver_name = RTE_STR(DRIVER_NAME);
- dev_info->max_num_queues = internals->max_nb_queues;
- dev_info->queue_size_lim = RTE_BBDEV_QUEUE_SIZE_LIMIT;
- dev_info->hardware_accelerated = false;
- dev_info->max_queue_priority = 0;
- dev_info->default_queue_conf = default_queue_conf;
- dev_info->capabilities = bbdev_capabilities;
- dev_info->cpu_flag_reqs = NULL;
- dev_info->min_alignment = 0;
-
- rte_bbdev_log_debug("got device info from %u", dev->data->dev_id);
-}
-
-/* Release queue */
-static int
-q_release(struct rte_bbdev *dev, uint16_t q_id)
-{
- struct bbdev_queue *q = dev->data->queues[q_id].queue_private;
-
- if (q != NULL) {
- rte_ring_free(q->processed_pkts);
- rte_free(q);
- dev->data->queues[q_id].queue_private = NULL;
- }
-
- rte_bbdev_log_debug("released device queue %u:%u",
- dev->data->dev_id, q_id);
- return 0;
-}
-
-/* Setup a queue */
-static int
-q_setup(struct rte_bbdev *dev, uint16_t q_id,
- const struct rte_bbdev_queue_conf *queue_conf)
-{
- struct bbdev_queue *q;
- char ring_name[RTE_RING_NAMESIZE];
- snprintf(ring_name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME) "%u:%u",
- dev->data->dev_id, q_id);
-
- /* Allocate the queue data structure. */
- q = rte_zmalloc_socket(RTE_STR(DRIVER_NAME), sizeof(*q),
- RTE_CACHE_LINE_SIZE, queue_conf->socket);
- if (q == NULL) {
- rte_bbdev_log(ERR, "Failed to allocate queue memory");
- return -ENOMEM;
- }
-
- q->processed_pkts = rte_ring_create(ring_name, queue_conf->queue_size,
- queue_conf->socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
- if (q->processed_pkts == NULL) {
- rte_bbdev_log(ERR, "Failed to create ring");
- goto free_q;
- }
-
- dev->data->queues[q_id].queue_private = q;
- rte_bbdev_log_debug("setup device queue %s", ring_name);
- return 0;
-
-free_q:
- rte_free(q);
- return -EFAULT;
-}
-
-static const struct rte_bbdev_ops pmd_ops = {
- .info_get = info_get,
- .queue_setup = q_setup,
- .queue_release = q_release
-};
-
-/* Enqueue decode burst */
-static uint16_t
-enqueue_dec_ops(struct rte_bbdev_queue_data *q_data,
- struct rte_bbdev_dec_op **ops, uint16_t nb_ops)
-{
- struct bbdev_queue *q = q_data->queue_private;
- uint16_t nb_enqueued = rte_ring_enqueue_burst(q->processed_pkts,
- (void **)ops, nb_ops, NULL);
-
- q_data->queue_stats.enqueue_err_count += nb_ops - nb_enqueued;
- q_data->queue_stats.enqueued_count += nb_enqueued;
-
- return nb_enqueued;
-}
-
-/* Enqueue encode burst */
-static uint16_t
-enqueue_enc_ops(struct rte_bbdev_queue_data *q_data,
- struct rte_bbdev_enc_op **ops, uint16_t nb_ops)
-{
- struct bbdev_queue *q = q_data->queue_private;
- uint16_t nb_enqueued = rte_ring_enqueue_burst(q->processed_pkts,
- (void **)ops, nb_ops, NULL);
-
- 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,
- struct rte_bbdev_dec_op **ops, uint16_t nb_ops)
-{
- struct bbdev_queue *q = q_data->queue_private;
- uint16_t nb_dequeued = rte_ring_dequeue_burst(q->processed_pkts,
- (void **)ops, nb_ops, NULL);
- q_data->queue_stats.dequeued_count += nb_dequeued;
-
- return nb_dequeued;
-}
-
-/* Dequeue encode burst */
-static uint16_t
-dequeue_enc_ops(struct rte_bbdev_queue_data *q_data,
- struct rte_bbdev_enc_op **ops, uint16_t nb_ops)
-{
- struct bbdev_queue *q = q_data->queue_private;
- uint16_t nb_dequeued = rte_ring_dequeue_burst(q->processed_pkts,
- (void **)ops, nb_ops, NULL);
- q_data->queue_stats.dequeued_count += nb_dequeued;
-
- return nb_dequeued;
-}
-
-/* Parse 16bit integer from string argument */
-static inline int
-parse_u16_arg(const char *key, const char *value, void *extra_args)
-{
- uint16_t *u16 = extra_args;
- unsigned int long result;
-
- if ((value == NULL) || (extra_args == NULL))
- return -EINVAL;
- errno = 0;
- result = strtoul(value, NULL, 0);
- if ((result >= (1 << 16)) || (errno != 0)) {
- rte_bbdev_log(ERR, "Invalid value %lu for %s", result, key);
- return -ERANGE;
- }
- *u16 = (uint16_t)result;
- return 0;
-}
-
-/* Parse parameters used to create device */
-static int
-parse_bbdev_null_params(struct bbdev_null_params *params,
- const char *input_args)
-{
- struct rte_kvargs *kvlist = NULL;
- int ret = 0;
-
- if (params == NULL)
- return -EINVAL;
- if (input_args) {
- kvlist = rte_kvargs_parse(input_args, bbdev_null_valid_params);
- if (kvlist == NULL)
- return -EFAULT;
-
- ret = rte_kvargs_process(kvlist, bbdev_null_valid_params[0],
- &parse_u16_arg, ¶ms->queues_num);
- if (ret < 0)
- goto exit;
-
- ret = rte_kvargs_process(kvlist, bbdev_null_valid_params[1],
- &parse_u16_arg, ¶ms->socket_id);
- if (ret < 0)
- goto exit;
-
- if (params->socket_id >= RTE_MAX_NUMA_NODES) {
- rte_bbdev_log(ERR, "Invalid socket, must be < %u",
- RTE_MAX_NUMA_NODES);
- goto exit;
- }
- }
-
-exit:
- if (kvlist)
- rte_kvargs_free(kvlist);
- return ret;
-}
-
-/* Create device */
-static int
-null_bbdev_create(struct rte_vdev_device *vdev,
- struct bbdev_null_params *init_params)
-{
- struct rte_bbdev *bbdev;
- const char *name = rte_vdev_device_name(vdev);
-
- bbdev = rte_bbdev_allocate(name);
- if (bbdev == NULL)
- return -ENODEV;
-
- bbdev->data->dev_private = rte_zmalloc_socket(name,
- sizeof(struct bbdev_private), RTE_CACHE_LINE_SIZE,
- init_params->socket_id);
- if (bbdev->data->dev_private == NULL) {
- rte_bbdev_release(bbdev);
- return -ENOMEM;
- }
-
- bbdev->dev_ops = &pmd_ops;
- bbdev->device = &vdev->device;
- bbdev->data->socket_id = init_params->socket_id;
- bbdev->intr_handle = NULL;
-
- /* register rx/tx burst functions for data path */
- bbdev->dequeue_enc_ops = dequeue_enc_ops;
- bbdev->dequeue_dec_ops = dequeue_dec_ops;
- bbdev->enqueue_enc_ops = enqueue_enc_ops;
- bbdev->enqueue_dec_ops = enqueue_dec_ops;
- ((struct bbdev_private *) bbdev->data->dev_private)->max_nb_queues =
- init_params->queues_num;
-
- return 0;
-}
-
-/* Initialise device */
-static int
-null_bbdev_probe(struct rte_vdev_device *vdev)
-{
- struct bbdev_null_params init_params = {
- rte_socket_id(),
- RTE_BBDEV_DEFAULT_MAX_NB_QUEUES
- };
- const char *name;
- const char *input_args;
-
- if (vdev == NULL)
- return -EINVAL;
-
- name = rte_vdev_device_name(vdev);
- if (name == NULL)
- return -EINVAL;
-
- input_args = rte_vdev_device_args(vdev);
- parse_bbdev_null_params(&init_params, input_args);
-
- rte_bbdev_log_debug("Init %s on NUMA node %d with max queues: %d",
- name, init_params.socket_id, init_params.queues_num);
-
- return null_bbdev_create(vdev, &init_params);
-}
-
-/* Uninitialise device */
-static int
-null_bbdev_remove(struct rte_vdev_device *vdev)
-{
- struct rte_bbdev *bbdev;
- const char *name;
-
- if (vdev == NULL)
- return -EINVAL;
-
- name = rte_vdev_device_name(vdev);
- if (name == NULL)
- return -EINVAL;
-
- bbdev = rte_bbdev_get_named_dev(name);
- if (bbdev == NULL)
- return -EINVAL;
-
- rte_free(bbdev->data->dev_private);
-
- return rte_bbdev_release(bbdev);
-}
-
-static struct rte_vdev_driver bbdev_null_pmd_drv = {
- .probe = null_bbdev_probe,
- .remove = null_bbdev_remove
-};
-
-RTE_PMD_REGISTER_VDEV(DRIVER_NAME, bbdev_null_pmd_drv);
-RTE_PMD_REGISTER_PARAM_STRING(DRIVER_NAME,
- BBDEV_NULL_MAX_NB_QUEUES_ARG"=<int> "
- BBDEV_NULL_SOCKET_ID_ARG"=<int>");
-
-RTE_INIT(null_bbdev_init_log);
-static void
-null_bbdev_init_log(void)
-{
- bbdev_null_logtype = rte_log_register("pmd.bb.null");
- if (bbdev_null_logtype >= 0)
- rte_log_set_level(bbdev_null_logtype, RTE_LOG_NOTICE);
-}
+++ /dev/null
-DPDK_18.02 {
- local: *;
-};
+++ /dev/null
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2017 Intel Corporation
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-ifeq ($(FLEXRAN_SDK),)
-$(error "Please define FLEXRAN_SDK environment variable")
-endif
-
-# library name
-LIB = librte_pmd_bbdev_turbo_sw.a
-
-# build flags
-CFLAGS += -DALLOW_EXPERIMENTAL_API
-CFLAGS += -O3
-CFLAGS += $(WERROR_FLAGS)
-LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring -lrte_kvargs
-LDLIBS += -lrte_bbdev
-LDLIBS += -lrte_bus_vdev
-
-# versioning export map
-EXPORT_MAP := rte_pmd_bbdev_turbo_sw_version.map
-
-# external library dependencies
-CFLAGS += -I$(FLEXRAN_SDK)/lib_common
-CFLAGS += -I$(FLEXRAN_SDK)/lib_turbo
-CFLAGS += -I$(FLEXRAN_SDK)/lib_crc
-CFLAGS += -I$(FLEXRAN_SDK)/lib_rate_matching
-
-LDLIBS += -L$(FLEXRAN_SDK)/lib_crc -lcrc
-LDLIBS += -L$(FLEXRAN_SDK)/lib_turbo -lturbo
-LDLIBS += -L$(FLEXRAN_SDK)/lib_rate_matching -lrate_matching
-LDLIBS += -L$(FLEXRAN_SDK)/lib_common -lcommon
-LDLIBS += -lstdc++ -lirc -limf -lipps
-
-# library version
-LIBABIVER := 1
-
-# library source files
-SRCS-$(CONFIG_RTE_LIBRTE_PMD_BBDEV_TURBO_SW) += bbdev_turbo_software.c
-
-include $(RTE_SDK)/mk/rte.lib.mk
+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2017 Intel Corporation
- */
-
-#include <string.h>
-
-#include <rte_common.h>
-#include <rte_bus_vdev.h>
-#include <rte_malloc.h>
-#include <rte_ring.h>
-#include <rte_kvargs.h>
-
-#include <rte_bbdev.h>
-#include <rte_bbdev_pmd.h>
-
-#include <phy_turbo.h>
-#include <phy_crc.h>
-#include <phy_rate_match.h>
-#include <divide.h>
-
-#define DRIVER_NAME turbo_sw
-
-/* Turbo SW PMD logging ID */
-static int bbdev_turbo_sw_logtype;
-
-/* Helper macro for logging */
-#define rte_bbdev_log(level, fmt, ...) \
- rte_log(RTE_LOG_ ## level, bbdev_turbo_sw_logtype, fmt "\n", \
- ##__VA_ARGS__)
-
-#define rte_bbdev_log_debug(fmt, ...) \
- rte_bbdev_log(DEBUG, RTE_STR(__LINE__) ":%s() " fmt, __func__, \
- ##__VA_ARGS__)
-
-/* Number of columns in sub-block interleaver (36.212, section 5.1.4.1.1) */
-#define C_SUBBLOCK (32)
-#define MAX_TB_SIZE (391656)
-#define MAX_CB_SIZE (6144)
-#define MAX_KW (18528)
-
-/* private data structure */
-struct bbdev_private {
- unsigned int max_nb_queues; /**< Max number of queues */
-};
-
-/* Initialisation params structure that can be used by Turbo SW driver */
-struct turbo_sw_params {
- int socket_id; /*< Turbo SW device socket */
- uint16_t queues_num; /*< Turbo SW device queues number */
-};
-
-/* Accecptable params for Turbo SW devices */
-#define TURBO_SW_MAX_NB_QUEUES_ARG "max_nb_queues"
-#define TURBO_SW_SOCKET_ID_ARG "socket_id"
-
-static const char * const turbo_sw_valid_params[] = {
- TURBO_SW_MAX_NB_QUEUES_ARG,
- TURBO_SW_SOCKET_ID_ARG
-};
-
-/* queue */
-struct turbo_sw_queue {
- /* Ring for processed (encoded/decoded) operations which are ready to
- * be dequeued.
- */
- struct rte_ring *processed_pkts;
- /* Stores input for turbo encoder (used when CRC attachment is
- * performed
- */
- uint8_t *enc_in;
- /* Stores output from turbo encoder */
- uint8_t *enc_out;
- /* Alpha gamma buf for bblib_turbo_decoder() function */
- int8_t *ag;
- /* Temp buf for bblib_turbo_decoder() function */
- uint16_t *code_block;
- /* Input buf for bblib_rate_dematching_lte() function */
- uint8_t *deint_input;
- /* Output buf for bblib_rate_dematching_lte() function */
- uint8_t *deint_output;
- /* Output buf for bblib_turbodec_adapter_lte() function */
- uint8_t *adapter_output;
- /* Operation type of this queue */
- enum rte_bbdev_op_type type;
-} __rte_cache_aligned;
-
-/* Calculate index based on Table 5.1.3-3 from TS34.212 */
-static inline int32_t
-compute_idx(uint16_t k)
-{
- int32_t result = 0;
-
- if (k < 40 || k > MAX_CB_SIZE)
- return -1;
-
- if (k > 2048) {
- if ((k - 2048) % 64 != 0)
- result = -1;
-
- result = 124 + (k - 2048) / 64;
- } else if (k <= 512) {
- if ((k - 40) % 8 != 0)
- result = -1;
-
- result = (k - 40) / 8 + 1;
- } else if (k <= 1024) {
- if ((k - 512) % 16 != 0)
- result = -1;
-
- result = 60 + (k - 512) / 16;
- } else { /* 1024 < k <= 2048 */
- if ((k - 1024) % 32 != 0)
- result = -1;
-
- result = 92 + (k - 1024) / 32;
- }
-
- return result;
-}
-
-/* Read flag value 0/1 from bitmap */
-static inline bool
-check_bit(uint32_t bitmap, uint32_t bitmask)
-{
- return bitmap & bitmask;
-}
-
-/* Get device info */
-static void
-info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
-{
- struct bbdev_private *internals = dev->data->dev_private;
-
- static const struct rte_bbdev_op_cap bbdev_capabilities[] = {
- {
- .type = RTE_BBDEV_OP_TURBO_DEC,
- .cap.turbo_dec = {
- .capability_flags =
- RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE |
- RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN |
- RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN |
- RTE_BBDEV_TURBO_CRC_TYPE_24B |
- RTE_BBDEV_TURBO_EARLY_TERMINATION,
- .num_buffers_src = RTE_BBDEV_MAX_CODE_BLOCKS,
- .num_buffers_hard_out =
- RTE_BBDEV_MAX_CODE_BLOCKS,
- .num_buffers_soft_out = 0,
- }
- },
- {
- .type = RTE_BBDEV_OP_TURBO_ENC,
- .cap.turbo_enc = {
- .capability_flags =
- RTE_BBDEV_TURBO_CRC_24B_ATTACH |
- RTE_BBDEV_TURBO_CRC_24A_ATTACH |
- RTE_BBDEV_TURBO_RATE_MATCH |
- RTE_BBDEV_TURBO_RV_INDEX_BYPASS,
- .num_buffers_src = RTE_BBDEV_MAX_CODE_BLOCKS,
- .num_buffers_dst = RTE_BBDEV_MAX_CODE_BLOCKS,
- }
- },
- RTE_BBDEV_END_OF_CAPABILITIES_LIST()
- };
-
- static struct rte_bbdev_queue_conf default_queue_conf = {
- .queue_size = RTE_BBDEV_QUEUE_SIZE_LIMIT,
- };
-
- static const enum rte_cpu_flag_t cpu_flag = RTE_CPUFLAG_SSE4_2;
-
- default_queue_conf.socket = dev->data->socket_id;
-
- dev_info->driver_name = RTE_STR(DRIVER_NAME);
- dev_info->max_num_queues = internals->max_nb_queues;
- dev_info->queue_size_lim = RTE_BBDEV_QUEUE_SIZE_LIMIT;
- dev_info->hardware_accelerated = false;
- dev_info->max_queue_priority = 0;
- dev_info->default_queue_conf = default_queue_conf;
- dev_info->capabilities = bbdev_capabilities;
- dev_info->cpu_flag_reqs = &cpu_flag;
- dev_info->min_alignment = 64;
-
- rte_bbdev_log_debug("got device info from %u\n", dev->data->dev_id);
-}
-
-/* Release queue */
-static int
-q_release(struct rte_bbdev *dev, uint16_t q_id)
-{
- struct turbo_sw_queue *q = dev->data->queues[q_id].queue_private;
-
- if (q != NULL) {
- rte_ring_free(q->processed_pkts);
- rte_free(q->enc_out);
- rte_free(q->enc_in);
- rte_free(q->ag);
- rte_free(q->code_block);
- rte_free(q->deint_input);
- rte_free(q->deint_output);
- rte_free(q->adapter_output);
- rte_free(q);
- dev->data->queues[q_id].queue_private = NULL;
- }
-
- rte_bbdev_log_debug("released device queue %u:%u",
- dev->data->dev_id, q_id);
- return 0;
-}
-
-/* Setup a queue */
-static int
-q_setup(struct rte_bbdev *dev, uint16_t q_id,
- const struct rte_bbdev_queue_conf *queue_conf)
-{
- int ret;
- struct turbo_sw_queue *q;
- char name[RTE_RING_NAMESIZE];
-
- /* Allocate the queue data structure. */
- q = rte_zmalloc_socket(RTE_STR(DRIVER_NAME), sizeof(*q),
- RTE_CACHE_LINE_SIZE, queue_conf->socket);
- if (q == NULL) {
- rte_bbdev_log(ERR, "Failed to allocate queue memory");
- return -ENOMEM;
- }
-
- /* Allocate memory for encoder output. */
- ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"_enc_out%u:%u",
- dev->data->dev_id, q_id);
- if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
- rte_bbdev_log(ERR,
- "Creating queue name for device %u queue %u failed",
- dev->data->dev_id, q_id);
- return -ENAMETOOLONG;
- }
- q->enc_out = rte_zmalloc_socket(name,
- ((MAX_TB_SIZE >> 3) + 3) * sizeof(*q->enc_out) * 3,
- RTE_CACHE_LINE_SIZE, queue_conf->socket);
- if (q->enc_out == NULL) {
- rte_bbdev_log(ERR,
- "Failed to allocate queue memory for %s", name);
- goto free_q;
- }
-
- /* Allocate memory for rate matching output. */
- ret = snprintf(name, RTE_RING_NAMESIZE,
- RTE_STR(DRIVER_NAME)"_enc_in%u:%u", dev->data->dev_id,
- q_id);
- if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
- rte_bbdev_log(ERR,
- "Creating queue name for device %u queue %u failed",
- dev->data->dev_id, q_id);
- return -ENAMETOOLONG;
- }
- q->enc_in = rte_zmalloc_socket(name,
- (MAX_CB_SIZE >> 3) * sizeof(*q->enc_in),
- RTE_CACHE_LINE_SIZE, queue_conf->socket);
- if (q->enc_in == NULL) {
- rte_bbdev_log(ERR,
- "Failed to allocate queue memory for %s", name);
- goto free_q;
- }
-
- /* Allocate memory for Aplha 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)) {
- rte_bbdev_log(ERR,
- "Creating queue name for device %u queue %u failed",
- dev->data->dev_id, q_id);
- return -ENAMETOOLONG;
- }
- q->ag = rte_zmalloc_socket(name,
- MAX_CB_SIZE * 10 * sizeof(*q->ag),
- RTE_CACHE_LINE_SIZE, queue_conf->socket);
- if (q->ag == NULL) {
- rte_bbdev_log(ERR,
- "Failed to allocate queue memory for %s", name);
- goto free_q;
- }
-
- /* Allocate memory for code block temp buffer. */
- ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"_cb%u:%u",
- dev->data->dev_id, q_id);
- if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
- rte_bbdev_log(ERR,
- "Creating queue name for device %u queue %u failed",
- dev->data->dev_id, q_id);
- return -ENAMETOOLONG;
- }
- q->code_block = rte_zmalloc_socket(name,
- (6144 >> 3) * sizeof(*q->code_block),
- RTE_CACHE_LINE_SIZE, queue_conf->socket);
- if (q->code_block == NULL) {
- rte_bbdev_log(ERR,
- "Failed to allocate queue memory for %s", name);
- goto free_q;
- }
-
- /* Allocate memory for Deinterleaver input. */
- ret = snprintf(name, RTE_RING_NAMESIZE,
- RTE_STR(DRIVER_NAME)"_deint_input%u:%u",
- dev->data->dev_id, q_id);
- if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
- rte_bbdev_log(ERR,
- "Creating queue name for device %u queue %u failed",
- dev->data->dev_id, q_id);
- return -ENAMETOOLONG;
- }
- q->deint_input = rte_zmalloc_socket(name,
- MAX_KW * sizeof(*q->deint_input),
- RTE_CACHE_LINE_SIZE, queue_conf->socket);
- if (q->deint_input == NULL) {
- rte_bbdev_log(ERR,
- "Failed to allocate queue memory for %s", name);
- goto free_q;
- }
-
- /* Allocate memory for Deinterleaver output. */
- ret = snprintf(name, RTE_RING_NAMESIZE,
- RTE_STR(DRIVER_NAME)"_deint_output%u:%u",
- dev->data->dev_id, q_id);
- if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
- rte_bbdev_log(ERR,
- "Creating queue name for device %u queue %u failed",
- dev->data->dev_id, q_id);
- return -ENAMETOOLONG;
- }
- q->deint_output = rte_zmalloc_socket(NULL,
- MAX_KW * sizeof(*q->deint_output),
- RTE_CACHE_LINE_SIZE, queue_conf->socket);
- if (q->deint_output == NULL) {
- rte_bbdev_log(ERR,
- "Failed to allocate queue memory for %s", name);
- goto free_q;
- }
-
- /* Allocate memory for Adapter output. */
- ret = snprintf(name, RTE_RING_NAMESIZE,
- RTE_STR(DRIVER_NAME)"_adapter_output%u:%u",
- dev->data->dev_id, q_id);
- if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
- rte_bbdev_log(ERR,
- "Creating queue name for device %u queue %u failed",
- dev->data->dev_id, q_id);
- return -ENAMETOOLONG;
- }
- q->adapter_output = rte_zmalloc_socket(NULL,
- MAX_CB_SIZE * 6 * sizeof(*q->adapter_output),
- RTE_CACHE_LINE_SIZE, queue_conf->socket);
- if (q->adapter_output == NULL) {
- rte_bbdev_log(ERR,
- "Failed to allocate queue memory for %s", name);
- goto free_q;
- }
-
- /* Create ring for packets awaiting to be dequeued. */
- ret = snprintf(name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME)"%u:%u",
- dev->data->dev_id, q_id);
- if ((ret < 0) || (ret >= (int)RTE_RING_NAMESIZE)) {
- rte_bbdev_log(ERR,
- "Creating queue name for device %u queue %u failed",
- dev->data->dev_id, q_id);
- return -ENAMETOOLONG;
- }
- q->processed_pkts = rte_ring_create(name, queue_conf->queue_size,
- queue_conf->socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
- if (q->processed_pkts == NULL) {
- rte_bbdev_log(ERR, "Failed to create ring for %s", name);
- goto free_q;
- }
-
- q->type = queue_conf->op_type;
-
- dev->data->queues[q_id].queue_private = q;
- rte_bbdev_log_debug("setup device queue %s", name);
- return 0;
-
-free_q:
- rte_ring_free(q->processed_pkts);
- rte_free(q->enc_out);
- rte_free(q->enc_in);
- rte_free(q->ag);
- rte_free(q->code_block);
- rte_free(q->deint_input);
- rte_free(q->deint_output);
- rte_free(q->adapter_output);
- rte_free(q);
- return -EFAULT;
-}
-
-static const struct rte_bbdev_ops pmd_ops = {
- .info_get = info_get,
- .queue_setup = q_setup,
- .queue_release = q_release
-};
-
-/* Checks if the encoder input buffer is correct.
- * Returns 0 if it's valid, -1 otherwise.
- */
-static inline int
-is_enc_input_valid(const uint16_t k, const int32_t k_idx,
- const uint16_t in_length)
-{
- if (k_idx < 0) {
- rte_bbdev_log(ERR, "K Index is invalid");
- return -1;
- }
-
- if (in_length - (k >> 3) < 0) {
- rte_bbdev_log(ERR,
- "Mismatch between input length (%u bytes) and K (%u bits)",
- in_length, k);
- return -1;
- }
-
- if (k > MAX_CB_SIZE) {
- rte_bbdev_log(ERR, "CB size (%u) is too big, max: %d",
- k, MAX_CB_SIZE);
- return -1;
- }
-
- return 0;
-}
-
-/* Checks if the decoder input buffer is correct.
- * Returns 0 if it's valid, -1 otherwise.
- */
-static inline int
-is_dec_input_valid(int32_t k_idx, int16_t kw, int16_t in_length)
-{
- if (k_idx < 0) {
- rte_bbdev_log(ERR, "K index is invalid");
- return -1;
- }
-
- if (in_length - kw < 0) {
- rte_bbdev_log(ERR,
- "Mismatch between input length (%u) and kw (%u)",
- in_length, kw);
- return -1;
- }
-
- if (kw > MAX_KW) {
- rte_bbdev_log(ERR, "Input length (%u) is too big, max: %d",
- kw, MAX_KW);
- return -1;
- }
-
- return 0;
-}
-
-static inline void
-process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op,
- uint8_t cb_idx, uint8_t c, uint16_t k, uint16_t ncb,
- uint32_t e, struct rte_mbuf *m_in, struct rte_mbuf *m_out,
- uint16_t in_offset, uint16_t out_offset, uint16_t total_left)
-{
- int ret;
- int16_t k_idx;
- uint16_t m;
- uint8_t *in, *out0, *out1, *out2, *tmp_out, *rm_out;
- struct rte_bbdev_op_turbo_enc *enc = &op->turbo_enc;
- struct bblib_crc_request crc_req;
- struct bblib_turbo_encoder_request turbo_req;
- struct bblib_turbo_encoder_response turbo_resp;
- struct bblib_rate_match_dl_request rm_req;
- struct bblib_rate_match_dl_response rm_resp;
-
- k_idx = compute_idx(k);
- in = rte_pktmbuf_mtod_offset(m_in, uint8_t *, in_offset);
-
- /* CRC24A (for TB) */
- if ((enc->op_flags & RTE_BBDEV_TURBO_CRC_24A_ATTACH) &&
- (enc->code_block_mode == 1)) {
- ret = is_enc_input_valid(k - 24, k_idx, total_left);
- if (ret != 0) {
- op->status |= 1 << RTE_BBDEV_DATA_ERROR;
- return;
- }
- /* copy the input to the temporary buffer to be able to extend
- * it by 3 CRC bytes
- */
- rte_memcpy(q->enc_in, in, (k - 24) >> 3);
- crc_req.data = q->enc_in;
- crc_req.len = (k - 24) >> 3;
- if (bblib_lte_crc24a_gen(&crc_req) == -1) {
- op->status |= 1 << RTE_BBDEV_CRC_ERROR;
- rte_bbdev_log(ERR, "CRC24a generation failed");
- return;
- }
- in = q->enc_in;
- } else if (enc->op_flags & RTE_BBDEV_TURBO_CRC_24B_ATTACH) {
- /* CRC24B */
- ret = is_enc_input_valid(k - 24, k_idx, total_left);
- if (ret != 0) {
- op->status |= 1 << RTE_BBDEV_DATA_ERROR;
- return;
- }
- /* copy the input to the temporary buffer to be able to extend
- * it by 3 CRC bytes
- */
- rte_memcpy(q->enc_in, in, (k - 24) >> 3);
- crc_req.data = q->enc_in;
- crc_req.len = (k - 24) >> 3;
- if (bblib_lte_crc24b_gen(&crc_req) == -1) {
- op->status |= 1 << RTE_BBDEV_CRC_ERROR;
- rte_bbdev_log(ERR, "CRC24b generation failed");
- return;
- }
- in = q->enc_in;
- } else {
- ret = is_enc_input_valid(k, k_idx, total_left);
- if (ret != 0) {
- op->status |= 1 << RTE_BBDEV_DATA_ERROR;
- return;
- }
- }
-
- /* Turbo encoder */
-
- /* Each bit layer output from turbo encoder is (k+4) bits long, i.e.
- * input length + 4 tail bits. That's (k/8) + 1 bytes after rounding up.
- * So dst_data's length should be 3*(k/8) + 3 bytes.
- */
- out0 = q->enc_out;
- out1 = RTE_PTR_ADD(out0, (k >> 3) + 1);
- out2 = RTE_PTR_ADD(out1, (k >> 3) + 1);
-
- turbo_req.case_id = k_idx;
- turbo_req.input_win = in;
- turbo_req.length = k >> 3;
- turbo_resp.output_win_0 = out0;
- turbo_resp.output_win_1 = out1;
- turbo_resp.output_win_2 = out2;
- if (bblib_turbo_encoder(&turbo_req, &turbo_resp) != 0) {
- op->status |= 1 << RTE_BBDEV_DRV_ERROR;
- rte_bbdev_log(ERR, "Turbo Encoder failed");
- return;
- }
-
- /* Rate-matching */
- if (enc->op_flags & RTE_BBDEV_TURBO_RATE_MATCH) {
- /* get output data starting address */
- rm_out = (uint8_t *)rte_pktmbuf_append(m_out, (e >> 3));
- 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);
-
- /* index of current code block */
- rm_req.r = cb_idx;
- /* total number of code block */
- rm_req.C = c;
- /* For DL - 1, UL - 0 */
- rm_req.direction = 1;
- /* According to 3ggp 36.212 Spec 5.1.4.1.2 section Nsoft, KMIMO
- * and MDL_HARQ are used for Ncb calculation. As Ncb is already
- * known we can adjust those parameters
- */
- rm_req.Nsoft = ncb * rm_req.C;
- rm_req.KMIMO = 1;
- rm_req.MDL_HARQ = 1;
- /* According to 3ggp 36.212 Spec 5.1.4.1.2 section Nl, Qm and G
- * are used for E calculation. As E is already known we can
- * adjust those parameters
- */
- rm_req.NL = e;
- rm_req.Qm = 1;
- rm_req.G = rm_req.NL * rm_req.Qm * rm_req.C;
-
- rm_req.rvidx = enc->rv_index;
- rm_req.Kidx = k_idx - 1;
- rm_req.nLen = k + 4;
- rm_req.tin0 = out0;
- rm_req.tin1 = out1;
- rm_req.tin2 = out2;
- rm_resp.output = rm_out;
- rm_resp.OutputLen = (e >> 3);
- if (enc->op_flags & RTE_BBDEV_TURBO_RV_INDEX_BYPASS)
- rm_req.bypass_rvidx = 1;
- else
- rm_req.bypass_rvidx = 0;
-
- if (bblib_rate_match_dl(&rm_req, &rm_resp) != 0) {
- op->status |= 1 << RTE_BBDEV_DRV_ERROR;
- rte_bbdev_log(ERR, "Rate matching failed");
- return;
- }
- enc->output.length += rm_resp.OutputLen;
- } else {
- /* Rate matching is bypassed */
-
- /* Completing last byte of out0 (where 4 tail bits are stored)
- * by moving first 4 bits from out1
- */
- tmp_out = (uint8_t *) --out1;
- *tmp_out = *tmp_out | ((*(tmp_out + 1) & 0xF0) >> 4);
- tmp_out++;
- /* Shifting out1 data by 4 bits to the left */
- for (m = 0; m < k >> 3; ++m) {
- uint8_t *first = tmp_out;
- uint8_t second = *(tmp_out + 1);
- *first = (*first << 4) | ((second & 0xF0) >> 4);
- tmp_out++;
- }
- /* Shifting out2 data by 8 bits to the left */
- for (m = 0; m < (k >> 3) + 1; ++m) {
- *tmp_out = *(tmp_out + 1);
- tmp_out++;
- }
- *tmp_out = 0;
-
- /* copy shifted output to turbo_enc entity */
- out0 = (uint8_t *)rte_pktmbuf_append(m_out,
- (k >> 3) * 3 + 2);
- if (out0 == NULL) {
- op->status |= 1 << RTE_BBDEV_DATA_ERROR;
- rte_bbdev_log(ERR,
- "Too little space in output mbuf");
- return;
- }
- enc->output.length += (k >> 3) * 3 + 2;
- /* rte_bbdev_op_data.offset can be different than the
- * offset of the appended bytes
- */
- out0 = rte_pktmbuf_mtod_offset(m_out, uint8_t *,
- out_offset);
- rte_memcpy(out0, q->enc_out, (k >> 3) * 3 + 2);
- }
-}
-
-static inline void
-enqueue_enc_one_op(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op)
-{
- uint8_t c, r, crc24_bits = 0;
- uint16_t k, ncb;
- uint32_t e;
- struct rte_bbdev_op_turbo_enc *enc = &op->turbo_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;
- uint16_t total_left = enc->input.length;
-
- /* Clear op status */
- op->status = 0;
-
- if (total_left > MAX_TB_SIZE >> 3) {
- rte_bbdev_log(ERR, "TB size (%u) is too big, max: %d",
- total_left, 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 (total_left > 0 && r < c) {
- if (enc->code_block_mode == 0) {
- k = (r < enc->tb_params.c_neg) ?
- enc->tb_params.k_neg : enc->tb_params.k_pos;
- ncb = (r < enc->tb_params.c_neg) ?
- enc->tb_params.ncb_neg : enc->tb_params.ncb_pos;
- e = (r < enc->tb_params.cab) ?
- enc->tb_params.ea : enc->tb_params.eb;
- } else {
- k = enc->cb_params.k;
- ncb = enc->cb_params.ncb;
- e = enc->cb_params.e;
- }
-
- process_enc_cb(q, op, r, c, k, ncb, e, m_in,
- m_out, in_offset, out_offset, total_left);
- /* Update total_left */
- total_left -= (k - crc24_bits) >> 3;
- /* Update offsets for next CBs (if exist) */
- in_offset += (k - crc24_bits) >> 3;
- if (enc->op_flags & RTE_BBDEV_TURBO_RATE_MATCH)
- out_offset += e >> 3;
- else
- out_offset += (k >> 3) * 3 + 2;
- r++;
- }
-
- /* check if all input data was processed */
- if (total_left != 0) {
- op->status |= 1 << RTE_BBDEV_DATA_ERROR;
- rte_bbdev_log(ERR,
- "Mismatch between mbuf length and included CBs sizes");
- }
-}
-
-static inline uint16_t
-enqueue_enc_all_ops(struct turbo_sw_queue *q, struct rte_bbdev_enc_op **ops,
- uint16_t nb_ops)
-{
- uint16_t i;
-
- for (i = 0; i < nb_ops; ++i)
- enqueue_enc_one_op(q, ops[i]);
-
- return rte_ring_enqueue_burst(q->processed_pkts, (void **)ops, nb_ops,
- NULL);
-}
-
-/* Remove the padding bytes from a cyclic buffer.
- * The input buffer is a data stream wk as described in 3GPP TS 36.212 section
- * 5.1.4.1.2 starting from w0 and with length Ncb bytes.
- * The output buffer is a data stream wk with pruned padding bytes. It's length
- * is 3*D bytes and the order of non-padding bytes is preserved.
- */
-static inline void
-remove_nulls_from_circular_buf(const uint8_t *in, uint8_t *out, uint16_t k,
- uint16_t ncb)
-{
- uint32_t in_idx, out_idx, c_idx;
- const uint32_t d = k + 4;
- const uint32_t kw = (ncb / 3);
- const uint32_t nd = kw - d;
- const uint32_t r_subblock = kw / C_SUBBLOCK;
- /* Inter-column permutation pattern */
- const uint32_t P[C_SUBBLOCK] = {0, 16, 8, 24, 4, 20, 12, 28, 2, 18, 10,
- 26, 6, 22, 14, 30, 1, 17, 9, 25, 5, 21, 13, 29, 3, 19,
- 11, 27, 7, 23, 15, 31};
- in_idx = 0;
- out_idx = 0;
-
- /* The padding bytes are at the first Nd positions in the first row. */
- for (c_idx = 0; in_idx < kw; in_idx += r_subblock, ++c_idx) {
- if (P[c_idx] < nd) {
- rte_memcpy(&out[out_idx], &in[in_idx + 1],
- r_subblock - 1);
- out_idx += r_subblock - 1;
- } else {
- rte_memcpy(&out[out_idx], &in[in_idx], r_subblock);
- out_idx += r_subblock;
- }
- }
-
- /* First and second parity bits sub-blocks are interlaced. */
- for (c_idx = 0; in_idx < ncb - 2 * r_subblock;
- in_idx += 2 * r_subblock, ++c_idx) {
- uint32_t second_block_c_idx = P[c_idx];
- uint32_t third_block_c_idx = P[c_idx] + 1;
-
- if (second_block_c_idx < nd && third_block_c_idx < nd) {
- rte_memcpy(&out[out_idx], &in[in_idx + 2],
- 2 * r_subblock - 2);
- out_idx += 2 * r_subblock - 2;
- } else if (second_block_c_idx >= nd &&
- third_block_c_idx >= nd) {
- rte_memcpy(&out[out_idx], &in[in_idx], 2 * r_subblock);
- out_idx += 2 * r_subblock;
- } else if (second_block_c_idx < nd) {
- out[out_idx++] = in[in_idx];
- rte_memcpy(&out[out_idx], &in[in_idx + 2],
- 2 * r_subblock - 2);
- out_idx += 2 * r_subblock - 2;
- } else {
- rte_memcpy(&out[out_idx], &in[in_idx + 1],
- 2 * r_subblock - 1);
- out_idx += 2 * r_subblock - 1;
- }
- }
-
- /* Last interlaced row is different - its last byte is the only padding
- * byte. We can have from 2 up to 26 padding bytes (Nd) per sub-block.
- * After interlacing the 1st and 2nd parity sub-blocks we can have 0, 1
- * or 2 padding bytes each time we make a step of 2 * R_SUBBLOCK bytes
- * (moving to another column). 2nd parity sub-block uses the same
- * inter-column permutation pattern as the systematic and 1st parity
- * sub-blocks but it adds '1' to the resulting index and calculates the
- * modulus of the result and Kw. Last column is mapped to itself (id 31)
- * so the first byte taken from the 2nd parity sub-block will be the
- * 32nd (31+1) byte, then 64th etc. (step is C_SUBBLOCK == 32) and the
- * last byte will be the first byte from the sub-block:
- * (32 + 32 * (R_SUBBLOCK-1)) % Kw == Kw % Kw == 0. Nd can't be smaller
- * than 2 so we know that bytes with ids 0 and 1 must be the padding
- * bytes. The bytes from the 1st parity sub-block are the bytes from the
- * 31st column - Nd can't be greater than 26 so we are sure that there
- * are no padding bytes in 31st column.
- */
- rte_memcpy(&out[out_idx], &in[in_idx], 2 * r_subblock - 1);
-}
-
-static inline void
-move_padding_bytes(const uint8_t *in, uint8_t *out, uint16_t k,
- uint16_t ncb)
-{
- uint16_t d = k + 4;
- uint16_t kpi = ncb / 3;
- uint16_t nd = kpi - d;
-
- rte_memcpy(&out[nd], in, d);
- rte_memcpy(&out[nd + kpi + 64], &in[kpi], d);
- rte_memcpy(&out[nd + 2 * (kpi + 64)], &in[2 * kpi], d);
-}
-
-static inline void
-process_dec_cb(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op,
- uint8_t c, uint16_t k, uint16_t kw, struct rte_mbuf *m_in,
- struct rte_mbuf *m_out, uint16_t in_offset, uint16_t out_offset,
- bool check_crc_24b, uint16_t total_left)
-{
- int ret;
- int32_t k_idx;
- int32_t iter_cnt;
- uint8_t *in, *out, *adapter_input;
- int32_t ncb, ncb_without_null;
- struct bblib_turbo_adapter_ul_response adapter_resp;
- struct bblib_turbo_adapter_ul_request adapter_req;
- struct bblib_turbo_decoder_request turbo_req;
- struct bblib_turbo_decoder_response turbo_resp;
- struct rte_bbdev_op_turbo_dec *dec = &op->turbo_dec;
-
- k_idx = compute_idx(k);
-
- ret = is_dec_input_valid(k_idx, kw, total_left);
- if (ret != 0) {
- op->status |= 1 << RTE_BBDEV_DATA_ERROR;
- return;
- }
-
- in = rte_pktmbuf_mtod_offset(m_in, uint8_t *, in_offset);
- ncb = kw;
- ncb_without_null = (k + 4) * 3;
-
- if (check_bit(dec->op_flags, RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE)) {
- struct bblib_deinterleave_ul_request deint_req;
- struct bblib_deinterleave_ul_response deint_resp;
-
- /* SW decoder accepts only a circular buffer without NULL bytes
- * so the input needs to be converted.
- */
- remove_nulls_from_circular_buf(in, q->deint_input, k, ncb);
-
- deint_req.pharqbuffer = q->deint_input;
- deint_req.ncb = ncb_without_null;
- deint_resp.pinteleavebuffer = q->deint_output;
- bblib_deinterleave_ul(&deint_req, &deint_resp);
- } else
- move_padding_bytes(in, q->deint_output, k, ncb);
-
- adapter_input = q->deint_output;
-
- if (dec->op_flags & RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN)
- adapter_req.isinverted = 1;
- else if (dec->op_flags & RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN)
- adapter_req.isinverted = 0;
- else {
- op->status |= 1 << RTE_BBDEV_DRV_ERROR;
- rte_bbdev_log(ERR, "LLR format wasn't specified");
- return;
- }
-
- adapter_req.ncb = ncb_without_null;
- adapter_req.pinteleavebuffer = adapter_input;
- adapter_resp.pharqout = q->adapter_output;
- bblib_turbo_adapter_ul(&adapter_req, &adapter_resp);
-
- out = (uint8_t *)rte_pktmbuf_append(m_out, (k >> 3));
- if (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
- */
- out = rte_pktmbuf_mtod_offset(m_out, uint8_t *, out_offset);
- if (check_crc_24b)
- turbo_req.c = c + 1;
- else
- turbo_req.c = c;
- turbo_req.input = (int8_t *)q->adapter_output;
- turbo_req.k = k;
- turbo_req.k_idx = k_idx;
- turbo_req.max_iter_num = dec->iter_max;
- turbo_resp.ag_buf = q->ag;
- turbo_resp.cb_buf = q->code_block;
- turbo_resp.output = out;
- iter_cnt = bblib_turbo_decoder(&turbo_req, &turbo_resp);
- dec->hard_output.length += (k >> 3);
-
- if (iter_cnt > 0) {
- /* Temporary solution for returned iter_count from SDK */
- iter_cnt = (iter_cnt - 1) / 2;
- dec->iter_count = RTE_MAX(iter_cnt, dec->iter_count);
- } else {
- op->status |= 1 << RTE_BBDEV_DATA_ERROR;
- rte_bbdev_log(ERR, "Turbo Decoder failed");
- return;
- }
-}
-
-static inline void
-enqueue_dec_one_op(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op)
-{
- uint8_t c, r = 0;
- uint16_t kw, k = 0;
- struct rte_bbdev_op_turbo_dec *dec = &op->turbo_dec;
- struct rte_mbuf *m_in = dec->input.data;
- struct rte_mbuf *m_out = dec->hard_output.data;
- uint16_t in_offset = dec->input.offset;
- uint16_t total_left = dec->input.length;
- uint16_t out_offset = dec->hard_output.offset;
-
- /* 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;
- } else { /* For Code Block mode */
- k = dec->cb_params.k;
- c = 1;
- }
-
- while (total_left > 0) {
- if (dec->code_block_mode == 0)
- k = (r < dec->tb_params.c_neg) ?
- dec->tb_params.k_neg : dec->tb_params.k_pos;
-
- /* Calculates circular buffer size (Kw).
- * According to 3gpp 36.212 section 5.1.4.2
- * Kw = 3 * Kpi,
- * where:
- * Kpi = nCol * nRow
- * where nCol is 32 and nRow can be calculated from:
- * D =< nCol * nRow
- * where D is the size of each output from turbo encoder block
- * (k + 4).
- */
- kw = RTE_ALIGN_CEIL(k + 4, C_SUBBLOCK) * 3;
-
- process_dec_cb(q, op, c, k, kw, m_in, m_out, in_offset,
- out_offset, check_bit(dec->op_flags,
- RTE_BBDEV_TURBO_CRC_TYPE_24B), total_left);
- /* As a result of decoding we get Code Block with included
- * decoded CRC24 at the end of Code Block. Type of CRC24 is
- * specified by flag.
- */
-
- /* Update total_left */
- total_left -= kw;
- /* Update offsets for next CBs (if exist) */
- in_offset += kw;
- out_offset += (k >> 3);
- r++;
- }
- if (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 uint16_t
-enqueue_dec_all_ops(struct turbo_sw_queue *q, struct rte_bbdev_dec_op **ops,
- uint16_t nb_ops)
-{
- uint16_t i;
-
- for (i = 0; i < nb_ops; ++i)
- enqueue_dec_one_op(q, ops[i]);
-
- 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,
- 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_enc_all_ops(q, ops, nb_ops);
-
- 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,
- 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_dec_all_ops(q, ops, nb_ops);
-
- 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,
- struct rte_bbdev_dec_op **ops, uint16_t nb_ops)
-{
- struct turbo_sw_queue *q = q_data->queue_private;
- uint16_t nb_dequeued = rte_ring_dequeue_burst(q->processed_pkts,
- (void **)ops, nb_ops, NULL);
- q_data->queue_stats.dequeued_count += nb_dequeued;
-
- return nb_dequeued;
-}
-
-/* Dequeue encode burst */
-static uint16_t
-dequeue_enc_ops(struct rte_bbdev_queue_data *q_data,
- struct rte_bbdev_enc_op **ops, uint16_t nb_ops)
-{
- struct turbo_sw_queue *q = q_data->queue_private;
- uint16_t nb_dequeued = rte_ring_dequeue_burst(q->processed_pkts,
- (void **)ops, nb_ops, NULL);
- q_data->queue_stats.dequeued_count += nb_dequeued;
-
- return nb_dequeued;
-}
-
-/* Parse 16bit integer from string argument */
-static inline int
-parse_u16_arg(const char *key, const char *value, void *extra_args)
-{
- uint16_t *u16 = extra_args;
- unsigned int long result;
-
- if ((value == NULL) || (extra_args == NULL))
- return -EINVAL;
- errno = 0;
- result = strtoul(value, NULL, 0);
- if ((result >= (1 << 16)) || (errno != 0)) {
- rte_bbdev_log(ERR, "Invalid value %lu for %s", result, key);
- return -ERANGE;
- }
- *u16 = (uint16_t)result;
- return 0;
-}
-
-/* Parse parameters used to create device */
-static int
-parse_turbo_sw_params(struct turbo_sw_params *params, const char *input_args)
-{
- struct rte_kvargs *kvlist = NULL;
- int ret = 0;
-
- if (params == NULL)
- return -EINVAL;
- if (input_args) {
- kvlist = rte_kvargs_parse(input_args, turbo_sw_valid_params);
- if (kvlist == NULL)
- return -EFAULT;
-
- ret = rte_kvargs_process(kvlist, turbo_sw_valid_params[0],
- &parse_u16_arg, ¶ms->queues_num);
- if (ret < 0)
- goto exit;
-
- ret = rte_kvargs_process(kvlist, turbo_sw_valid_params[1],
- &parse_u16_arg, ¶ms->socket_id);
- if (ret < 0)
- goto exit;
-
- if (params->socket_id >= RTE_MAX_NUMA_NODES) {
- rte_bbdev_log(ERR, "Invalid socket, must be < %u",
- RTE_MAX_NUMA_NODES);
- goto exit;
- }
- }
-
-exit:
- if (kvlist)
- rte_kvargs_free(kvlist);
- return ret;
-}
-
-/* Create device */
-static int
-turbo_sw_bbdev_create(struct rte_vdev_device *vdev,
- struct turbo_sw_params *init_params)
-{
- struct rte_bbdev *bbdev;
- const char *name = rte_vdev_device_name(vdev);
-
- bbdev = rte_bbdev_allocate(name);
- if (bbdev == NULL)
- return -ENODEV;
-
- bbdev->data->dev_private = rte_zmalloc_socket(name,
- sizeof(struct bbdev_private), RTE_CACHE_LINE_SIZE,
- init_params->socket_id);
- if (bbdev->data->dev_private == NULL) {
- rte_bbdev_release(bbdev);
- return -ENOMEM;
- }
-
- bbdev->dev_ops = &pmd_ops;
- bbdev->device = &vdev->device;
- bbdev->data->socket_id = init_params->socket_id;
- bbdev->intr_handle = NULL;
-
- /* register rx/tx burst functions for data path */
- bbdev->dequeue_enc_ops = dequeue_enc_ops;
- bbdev->dequeue_dec_ops = dequeue_dec_ops;
- bbdev->enqueue_enc_ops = enqueue_enc_ops;
- bbdev->enqueue_dec_ops = enqueue_dec_ops;
- ((struct bbdev_private *) bbdev->data->dev_private)->max_nb_queues =
- init_params->queues_num;
-
- return 0;
-}
-
-/* Initialise device */
-static int
-turbo_sw_bbdev_probe(struct rte_vdev_device *vdev)
-{
- struct turbo_sw_params init_params = {
- rte_socket_id(),
- RTE_BBDEV_DEFAULT_MAX_NB_QUEUES
- };
- const char *name;
- const char *input_args;
-
- if (vdev == NULL)
- return -EINVAL;
-
- name = rte_vdev_device_name(vdev);
- if (name == NULL)
- return -EINVAL;
- input_args = rte_vdev_device_args(vdev);
- parse_turbo_sw_params(&init_params, input_args);
-
- rte_bbdev_log_debug(
- "Initialising %s on NUMA node %d with max queues: %d\n",
- name, init_params.socket_id, init_params.queues_num);
-
- return turbo_sw_bbdev_create(vdev, &init_params);
-}
-
-/* Uninitialise device */
-static int
-turbo_sw_bbdev_remove(struct rte_vdev_device *vdev)
-{
- struct rte_bbdev *bbdev;
- const char *name;
-
- if (vdev == NULL)
- return -EINVAL;
-
- name = rte_vdev_device_name(vdev);
- if (name == NULL)
- return -EINVAL;
-
- bbdev = rte_bbdev_get_named_dev(name);
- if (bbdev == NULL)
- return -EINVAL;
-
- rte_free(bbdev->data->dev_private);
-
- return rte_bbdev_release(bbdev);
-}
-
-static struct rte_vdev_driver bbdev_turbo_sw_pmd_drv = {
- .probe = turbo_sw_bbdev_probe,
- .remove = turbo_sw_bbdev_remove
-};
-
-RTE_PMD_REGISTER_VDEV(DRIVER_NAME, bbdev_turbo_sw_pmd_drv);
-RTE_PMD_REGISTER_PARAM_STRING(DRIVER_NAME,
- TURBO_SW_MAX_NB_QUEUES_ARG"=<int> "
- TURBO_SW_SOCKET_ID_ARG"=<int>");
-
-RTE_INIT(null_bbdev_init_log);
-static void
-null_bbdev_init_log(void)
-{
- bbdev_turbo_sw_logtype = rte_log_register("pmd.bb.turbo_sw");
- if (bbdev_turbo_sw_logtype >= 0)
- rte_log_set_level(bbdev_turbo_sw_logtype, RTE_LOG_NOTICE);
-}
+++ /dev/null
-DPDK_18.02 {
- local: *;
-};
git.droids-corp.org / dpdk.git / commitdiff