/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2018 - 2019 Intel Corporation
 */
#include <string.h>
#include <zlib.h>
#include <math.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>

#include <rte_cycles.h>
#include <rte_malloc.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
#include <rte_compressdev.h>
#include <rte_string_fns.h>

#include "test_compressdev_test_buffer.h"
#include "test.h"

#define DIV_CEIL(a, b)  ((a) / (b) + ((a) % (b) != 0))

#define DEFAULT_WINDOW_SIZE 15
#define DEFAULT_MEM_LEVEL 8
#define MAX_DEQD_RETRIES 10
#define DEQUEUE_WAIT_TIME 10000

/*
 * 30% extra size for compressed data compared to original data,
 * in case data size cannot be reduced and it is actually bigger
 * due to the compress block headers
 */
#define COMPRESS_BUF_SIZE_RATIO 1.3
#define COMPRESS_BUF_SIZE_RATIO_DISABLED 1.0
#define COMPRESS_BUF_SIZE_RATIO_OVERFLOW 0.2
#define NUM_LARGE_MBUFS 16
#define SMALL_SEG_SIZE 256
#define MAX_SEGS 16
#define NUM_OPS 16
#define NUM_MAX_XFORMS 16
#define NUM_MAX_INFLIGHT_OPS 128
#define CACHE_SIZE 0

#define ZLIB_CRC_CHECKSUM_WINDOW_BITS 31
#define ZLIB_HEADER_SIZE 2
#define ZLIB_TRAILER_SIZE 4
#define GZIP_HEADER_SIZE 10
#define GZIP_TRAILER_SIZE 8

#define OUT_OF_SPACE_BUF 1

#define MAX_MBUF_SEGMENT_SIZE 65535
#define MAX_DATA_MBUF_SIZE (MAX_MBUF_SEGMENT_SIZE - RTE_PKTMBUF_HEADROOM)
#define NUM_BIG_MBUFS (512 + 1)
#define BIG_DATA_TEST_SIZE (MAX_DATA_MBUF_SIZE * 2)

/* constants for "im buffer" tests start here */

/* number of mbufs lower than number of inflight ops */
#define IM_BUF_NUM_MBUFS 3
/* above threshold (QAT_FALLBACK_THLD) and below max mbuf size */
#define IM_BUF_DATA_TEST_SIZE_LB 59600
/* data size smaller than the queue capacity */
#define IM_BUF_DATA_TEST_SIZE_SGL (MAX_DATA_MBUF_SIZE * IM_BUF_NUM_MBUFS)
/* number of mbufs bigger than number of inflight ops */
#define IM_BUF_NUM_MBUFS_OVER (NUM_MAX_INFLIGHT_OPS + 1)
/* data size bigger than the queue capacity */
#define IM_BUF_DATA_TEST_SIZE_OVER (MAX_DATA_MBUF_SIZE * IM_BUF_NUM_MBUFS_OVER)
/* number of mid-size mbufs */
#define IM_BUF_NUM_MBUFS_MID ((NUM_MAX_INFLIGHT_OPS / 3) + 1)
/* capacity of mid-size mbufs */
#define IM_BUF_DATA_TEST_SIZE_MID (MAX_DATA_MBUF_SIZE * IM_BUF_NUM_MBUFS_MID)


const char *
huffman_type_strings[] = {
        [RTE_COMP_HUFFMAN_DEFAULT]      = "PMD default",
        [RTE_COMP_HUFFMAN_FIXED]        = "Fixed",
        [RTE_COMP_HUFFMAN_DYNAMIC]      = "Dynamic"
};

enum zlib_direction {
        ZLIB_NONE,
        ZLIB_COMPRESS,
        ZLIB_DECOMPRESS,
        ZLIB_ALL
};

enum varied_buff {
        LB_BOTH = 0,    /* both input and output are linear*/
        SGL_BOTH,       /* both input and output are chained */
        SGL_TO_LB,      /* input buffer is chained */
        LB_TO_SGL       /* output buffer is chained */
};

enum overflow_test {
        OVERFLOW_DISABLED,
        OVERFLOW_ENABLED
};

enum ratio_switch {
        RATIO_DISABLED,
        RATIO_ENABLED
};

enum operation_type {
        OPERATION_COMPRESSION,
        OPERATION_DECOMPRESSION
};

struct priv_op_data {
        uint16_t orig_idx;
};

struct comp_testsuite_params {
        struct rte_mempool *large_mbuf_pool;
        struct rte_mempool *small_mbuf_pool;
        struct rte_mempool *big_mbuf_pool;
        struct rte_mempool *op_pool;
        struct rte_comp_xform *def_comp_xform;
        struct rte_comp_xform *def_decomp_xform;
};

struct interim_data_params {
        const char * const *test_bufs;
        unsigned int num_bufs;
        uint16_t *buf_idx;
        struct rte_comp_xform **compress_xforms;
        struct rte_comp_xform **decompress_xforms;
        unsigned int num_xforms;
};

struct test_data_params {
        enum rte_comp_op_type compress_state;
        enum rte_comp_op_type decompress_state;
        enum varied_buff buff_type;
        enum zlib_direction zlib_dir;
        unsigned int out_of_space;
        unsigned int big_data;
        /* stateful decompression specific parameters */
        unsigned int decompress_output_block_size;
        unsigned int decompress_steps_max;
        /* external mbufs specific parameters */
        unsigned int use_external_mbufs;
        unsigned int inbuf_data_size;
        const struct rte_memzone *inbuf_memzone;
        const struct rte_memzone *compbuf_memzone;
        const struct rte_memzone *uncompbuf_memzone;
        /* overflow test activation */
        enum overflow_test overflow;
        enum ratio_switch ratio;
};

struct test_private_arrays {
        struct rte_mbuf **uncomp_bufs;
        struct rte_mbuf **comp_bufs;
        struct rte_comp_op **ops;
        struct rte_comp_op **ops_processed;
        void **priv_xforms;
        uint64_t *compress_checksum;
        uint32_t *compressed_data_size;
        void **stream;
        char **all_decomp_data;
        unsigned int *decomp_produced_data_size;
        uint16_t num_priv_xforms;
};

static struct comp_testsuite_params testsuite_params = { 0 };


static void
testsuite_teardown(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;

        if (rte_mempool_in_use_count(ts_params->large_mbuf_pool))
                RTE_LOG(ERR, USER1, "Large mbuf pool still has unfreed bufs\n");
        if (rte_mempool_in_use_count(ts_params->small_mbuf_pool))
                RTE_LOG(ERR, USER1, "Small mbuf pool still has unfreed bufs\n");
        if (rte_mempool_in_use_count(ts_params->big_mbuf_pool))
                RTE_LOG(ERR, USER1, "Big mbuf pool still has unfreed bufs\n");
        if (rte_mempool_in_use_count(ts_params->op_pool))
                RTE_LOG(ERR, USER1, "op pool still has unfreed ops\n");

        rte_mempool_free(ts_params->large_mbuf_pool);
        rte_mempool_free(ts_params->small_mbuf_pool);
        rte_mempool_free(ts_params->big_mbuf_pool);
        rte_mempool_free(ts_params->op_pool);
        rte_free(ts_params->def_comp_xform);
        rte_free(ts_params->def_decomp_xform);
}

static int
testsuite_setup(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint32_t max_buf_size = 0;
        unsigned int i;

        if (rte_compressdev_count() == 0) {
                RTE_LOG(WARNING, USER1, "Need at least one compress device\n");
                return TEST_SKIPPED;
        }

        RTE_LOG(NOTICE, USER1, "Running tests on device %s\n",
                                rte_compressdev_name_get(0));

        for (i = 0; i < RTE_DIM(compress_test_bufs); i++)
                max_buf_size = RTE_MAX(max_buf_size,
                                strlen(compress_test_bufs[i]) + 1);

        /*
         * Buffers to be used in compression and decompression.
         * Since decompressed data might be larger than
         * compressed data (due to block header),
         * buffers should be big enough for both cases.
         */
        max_buf_size *= COMPRESS_BUF_SIZE_RATIO;
        ts_params->large_mbuf_pool = rte_pktmbuf_pool_create("large_mbuf_pool",
                        NUM_LARGE_MBUFS,
                        CACHE_SIZE, 0,
                        max_buf_size + RTE_PKTMBUF_HEADROOM,
                        rte_socket_id());
        if (ts_params->large_mbuf_pool == NULL) {
                RTE_LOG(ERR, USER1, "Large mbuf pool could not be created\n");
                return TEST_FAILED;
        }

        /* Create mempool with smaller buffers for SGL testing */
        ts_params->small_mbuf_pool = rte_pktmbuf_pool_create("small_mbuf_pool",
                        NUM_LARGE_MBUFS * MAX_SEGS,
                        CACHE_SIZE, 0,
                        SMALL_SEG_SIZE + RTE_PKTMBUF_HEADROOM,
                        rte_socket_id());
        if (ts_params->small_mbuf_pool == NULL) {
                RTE_LOG(ERR, USER1, "Small mbuf pool could not be created\n");
                goto exit;
        }

        /* Create mempool with big buffers for SGL testing */
        ts_params->big_mbuf_pool = rte_pktmbuf_pool_create("big_mbuf_pool",
                        NUM_BIG_MBUFS + 1,
                        CACHE_SIZE, 0,
                        MAX_MBUF_SEGMENT_SIZE,
                        rte_socket_id());
        if (ts_params->big_mbuf_pool == NULL) {
                RTE_LOG(ERR, USER1, "Big mbuf pool could not be created\n");
                goto exit;
        }

        ts_params->op_pool = rte_comp_op_pool_create("op_pool", NUM_OPS,
                                0, sizeof(struct priv_op_data),
                                rte_socket_id());
        if (ts_params->op_pool == NULL) {
                RTE_LOG(ERR, USER1, "Operation pool could not be created\n");
                goto exit;
        }

        ts_params->def_comp_xform =
                        rte_malloc(NULL, sizeof(struct rte_comp_xform), 0);
        if (ts_params->def_comp_xform == NULL) {
                RTE_LOG(ERR, USER1,
                        "Default compress xform could not be created\n");
                goto exit;
        }
        ts_params->def_decomp_xform =
                        rte_malloc(NULL, sizeof(struct rte_comp_xform), 0);
        if (ts_params->def_decomp_xform == NULL) {
                RTE_LOG(ERR, USER1,
                        "Default decompress xform could not be created\n");
                goto exit;
        }

        /* Initializes default values for compress/decompress xforms */
        ts_params->def_comp_xform->type = RTE_COMP_COMPRESS;
        ts_params->def_comp_xform->compress.algo = RTE_COMP_ALGO_DEFLATE,
        ts_params->def_comp_xform->compress.deflate.huffman =
                                                RTE_COMP_HUFFMAN_DEFAULT;
        ts_params->def_comp_xform->compress.level = RTE_COMP_LEVEL_PMD_DEFAULT;
        ts_params->def_comp_xform->compress.chksum = RTE_COMP_CHECKSUM_NONE;
        ts_params->def_comp_xform->compress.window_size = DEFAULT_WINDOW_SIZE;

        ts_params->def_decomp_xform->type = RTE_COMP_DECOMPRESS;
        ts_params->def_decomp_xform->decompress.algo = RTE_COMP_ALGO_DEFLATE,
        ts_params->def_decomp_xform->decompress.chksum = RTE_COMP_CHECKSUM_NONE;
        ts_params->def_decomp_xform->decompress.window_size = DEFAULT_WINDOW_SIZE;

        return TEST_SUCCESS;

exit:
        testsuite_teardown();

        return TEST_FAILED;
}

static int
generic_ut_setup(void)
{
        /* Configure compressdev (one device, one queue pair) */
        struct rte_compressdev_config config = {
                .socket_id = rte_socket_id(),
                .nb_queue_pairs = 1,
                .max_nb_priv_xforms = NUM_MAX_XFORMS,
                .max_nb_streams = 1
        };

        if (rte_compressdev_configure(0, &config) < 0) {
                RTE_LOG(ERR, USER1, "Device configuration failed\n");
                return -1;
        }

        if (rte_compressdev_queue_pair_setup(0, 0, NUM_MAX_INFLIGHT_OPS,
                        rte_socket_id()) < 0) {
                RTE_LOG(ERR, USER1, "Queue pair setup failed\n");
                return -1;
        }

        if (rte_compressdev_start(0) < 0) {
                RTE_LOG(ERR, USER1, "Device could not be started\n");
                return -1;
        }

        return 0;
}

static void
generic_ut_teardown(void)
{
        rte_compressdev_stop(0);
        if (rte_compressdev_close(0) < 0)
                RTE_LOG(ERR, USER1, "Device could not be closed\n");
}

static int
test_compressdev_invalid_configuration(void)
{
        struct rte_compressdev_config invalid_config;
        struct rte_compressdev_config valid_config = {
                .socket_id = rte_socket_id(),
                .nb_queue_pairs = 1,
                .max_nb_priv_xforms = NUM_MAX_XFORMS,
                .max_nb_streams = 1
        };
        struct rte_compressdev_info dev_info;

        RTE_LOG(INFO, USER1, "This is a negative test, errors are expected\n");

        /* Invalid configuration with 0 queue pairs */
        memcpy(&invalid_config, &valid_config,
                        sizeof(struct rte_compressdev_config));
        invalid_config.nb_queue_pairs = 0;

        TEST_ASSERT_FAIL(rte_compressdev_configure(0, &invalid_config),
                        "Device configuration was successful "
                        "with no queue pairs (invalid)\n");

        /*
         * Invalid configuration with too many queue pairs
         * (if there is an actual maximum number of queue pairs)
         */
        rte_compressdev_info_get(0, &dev_info);
        if (dev_info.max_nb_queue_pairs != 0) {
                memcpy(&invalid_config, &valid_config,
                        sizeof(struct rte_compressdev_config));
                invalid_config.nb_queue_pairs = dev_info.max_nb_queue_pairs + 1;

                TEST_ASSERT_FAIL(rte_compressdev_configure(0, &invalid_config),
                                "Device configuration was successful "
                                "with too many queue pairs (invalid)\n");
        }

        /* Invalid queue pair setup, with no number of queue pairs set */
        TEST_ASSERT_FAIL(rte_compressdev_queue_pair_setup(0, 0,
                                NUM_MAX_INFLIGHT_OPS, rte_socket_id()),
                        "Queue pair setup was successful "
                        "with no queue pairs set (invalid)\n");

        return TEST_SUCCESS;
}

static int
compare_buffers(const char *buffer1, uint32_t buffer1_len,
                const char *buffer2, uint32_t buffer2_len)
{
        if (buffer1_len != buffer2_len) {
                RTE_LOG(ERR, USER1, "Buffer lengths are different\n");
                return -1;
        }

        if (memcmp(buffer1, buffer2, buffer1_len) != 0) {
                RTE_LOG(ERR, USER1, "Buffers are different\n");
                return -1;
        }

        return 0;
}

/*
 * Maps compressdev and Zlib flush flags
 */
static int
map_zlib_flush_flag(enum rte_comp_flush_flag flag)
{
        switch (flag) {
        case RTE_COMP_FLUSH_NONE:
                return Z_NO_FLUSH;
        case RTE_COMP_FLUSH_SYNC:
                return Z_SYNC_FLUSH;
        case RTE_COMP_FLUSH_FULL:
                return Z_FULL_FLUSH;
        case RTE_COMP_FLUSH_FINAL:
                return Z_FINISH;
        /*
         * There should be only the values above,
         * so this should never happen
         */
        default:
                return -1;
        }
}

static int
compress_zlib(struct rte_comp_op *op,
                const struct rte_comp_xform *xform, int mem_level)
{
        z_stream stream;
        int zlib_flush;
        int strategy, window_bits, comp_level;
        int ret = TEST_FAILED;
        uint8_t *single_src_buf = NULL;
        uint8_t *single_dst_buf = NULL;

        /* initialize zlib stream */
        stream.zalloc = Z_NULL;
        stream.zfree = Z_NULL;
        stream.opaque = Z_NULL;

        if (xform->compress.deflate.huffman == RTE_COMP_HUFFMAN_FIXED)
                strategy = Z_FIXED;
        else
                strategy = Z_DEFAULT_STRATEGY;

        /*
         * Window bits is the base two logarithm of the window size (in bytes).
         * When doing raw DEFLATE, this number will be negative.
         */
        window_bits = -(xform->compress.window_size);
        if (xform->compress.chksum == RTE_COMP_CHECKSUM_ADLER32)
                window_bits *= -1;
        else if (xform->compress.chksum == RTE_COMP_CHECKSUM_CRC32)
                window_bits = ZLIB_CRC_CHECKSUM_WINDOW_BITS;

        comp_level = xform->compress.level;

        if (comp_level != RTE_COMP_LEVEL_NONE)
                ret = deflateInit2(&stream, comp_level, Z_DEFLATED,
                        window_bits, mem_level, strategy);
        else
                ret = deflateInit(&stream, Z_NO_COMPRESSION);

        if (ret != Z_OK) {
                printf("Zlib deflate could not be initialized\n");
                goto exit;
        }

        /* Assuming stateless operation */
        /* SGL Input */
        if (op->m_src->nb_segs > 1) {
                single_src_buf = rte_malloc(NULL,
                                rte_pktmbuf_pkt_len(op->m_src), 0);
                if (single_src_buf == NULL) {
                        RTE_LOG(ERR, USER1, "Buffer could not be allocated\n");
                        goto exit;
                }

                if (rte_pktmbuf_read(op->m_src, op->src.offset,
                                        rte_pktmbuf_pkt_len(op->m_src) -
                                        op->src.offset,
                                        single_src_buf) == NULL) {
                        RTE_LOG(ERR, USER1,
                                "Buffer could not be read entirely\n");
                        goto exit;
                }

                stream.avail_in = op->src.length;
                stream.next_in = single_src_buf;

        } else {
                stream.avail_in = op->src.length;
                stream.next_in = rte_pktmbuf_mtod_offset(op->m_src, uint8_t *,
                                op->src.offset);
        }
        /* SGL output */
        if (op->m_dst->nb_segs > 1) {

                single_dst_buf = rte_malloc(NULL,
                                rte_pktmbuf_pkt_len(op->m_dst), 0);
                        if (single_dst_buf == NULL) {
                                RTE_LOG(ERR, USER1,
                                        "Buffer could not be allocated\n");
                        goto exit;
                }

                stream.avail_out = op->m_dst->pkt_len;
                stream.next_out = single_dst_buf;

        } else {/* linear output */
                stream.avail_out = op->m_dst->data_len;
                stream.next_out = rte_pktmbuf_mtod_offset(op->m_dst, uint8_t *,
                                op->dst.offset);
        }

        /* Stateless operation, all buffer will be compressed in one go */
        zlib_flush = map_zlib_flush_flag(op->flush_flag);
        ret = deflate(&stream, zlib_flush);

        if (stream.avail_in != 0) {
                RTE_LOG(ERR, USER1, "Buffer could not be read entirely\n");
                goto exit;
        }

        if (ret != Z_STREAM_END)
                goto exit;

        /* Copy data to destination SGL */
        if (op->m_dst->nb_segs > 1) {
                uint32_t remaining_data = stream.total_out;
                uint8_t *src_data = single_dst_buf;
                struct rte_mbuf *dst_buf = op->m_dst;

                while (remaining_data > 0) {
                        uint8_t *dst_data = rte_pktmbuf_mtod_offset(dst_buf,
                                                uint8_t *, op->dst.offset);
                        /* Last segment */
                        if (remaining_data < dst_buf->data_len) {
                                memcpy(dst_data, src_data, remaining_data);
                                remaining_data = 0;
                        } else {
                                memcpy(dst_data, src_data, dst_buf->data_len);
                                remaining_data -= dst_buf->data_len;
                                src_data += dst_buf->data_len;
                                dst_buf = dst_buf->next;
                        }
                }
        }

        op->consumed = stream.total_in;
        if (xform->compress.chksum == RTE_COMP_CHECKSUM_ADLER32) {
                rte_pktmbuf_adj(op->m_dst, ZLIB_HEADER_SIZE);
                rte_pktmbuf_trim(op->m_dst, ZLIB_TRAILER_SIZE);
                op->produced = stream.total_out - (ZLIB_HEADER_SIZE +
                                ZLIB_TRAILER_SIZE);
        } else if (xform->compress.chksum == RTE_COMP_CHECKSUM_CRC32) {
                rte_pktmbuf_adj(op->m_dst, GZIP_HEADER_SIZE);
                rte_pktmbuf_trim(op->m_dst, GZIP_TRAILER_SIZE);
                op->produced = stream.total_out - (GZIP_HEADER_SIZE +
                                GZIP_TRAILER_SIZE);
        } else
                op->produced = stream.total_out;

        op->status = RTE_COMP_OP_STATUS_SUCCESS;
        op->output_chksum = stream.adler;

        deflateReset(&stream);

        ret = 0;
exit:
        deflateEnd(&stream);
        rte_free(single_src_buf);
        rte_free(single_dst_buf);

        return ret;
}

static int
decompress_zlib(struct rte_comp_op *op,
                const struct rte_comp_xform *xform)
{
        z_stream stream;
        int window_bits;
        int zlib_flush;
        int ret = TEST_FAILED;
        uint8_t *single_src_buf = NULL;
        uint8_t *single_dst_buf = NULL;

        /* initialize zlib stream */
        stream.zalloc = Z_NULL;
        stream.zfree = Z_NULL;
        stream.opaque = Z_NULL;

        /*
         * Window bits is the base two logarithm of the window size (in bytes).
         * When doing raw DEFLATE, this number will be negative.
         */
        window_bits = -(xform->decompress.window_size);
        ret = inflateInit2(&stream, window_bits);

        if (ret != Z_OK) {
                printf("Zlib deflate could not be initialized\n");
                goto exit;
        }

        /* Assuming stateless operation */
        /* SGL */
        if (op->m_src->nb_segs > 1) {
                single_src_buf = rte_malloc(NULL,
                                rte_pktmbuf_pkt_len(op->m_src), 0);
                if (single_src_buf == NULL) {
                        RTE_LOG(ERR, USER1, "Buffer could not be allocated\n");
                        goto exit;
                }
                single_dst_buf = rte_malloc(NULL,
                                rte_pktmbuf_pkt_len(op->m_dst), 0);
                if (single_dst_buf == NULL) {
                        RTE_LOG(ERR, USER1, "Buffer could not be allocated\n");
                        goto exit;
                }
                if (rte_pktmbuf_read(op->m_src, 0,
                                        rte_pktmbuf_pkt_len(op->m_src),
                                        single_src_buf) == NULL) {
                        RTE_LOG(ERR, USER1,
                                "Buffer could not be read entirely\n");
                        goto exit;
                }

                stream.avail_in = op->src.length;
                stream.next_in = single_src_buf;
                stream.avail_out = rte_pktmbuf_pkt_len(op->m_dst);
                stream.next_out = single_dst_buf;

        } else {
                stream.avail_in = op->src.length;
                stream.next_in = rte_pktmbuf_mtod(op->m_src, uint8_t *);
                stream.avail_out = op->m_dst->data_len;
                stream.next_out = rte_pktmbuf_mtod(op->m_dst, uint8_t *);
        }

        /* Stateless operation, all buffer will be compressed in one go */
        zlib_flush = map_zlib_flush_flag(op->flush_flag);
        ret = inflate(&stream, zlib_flush);

        if (stream.avail_in != 0) {
                RTE_LOG(ERR, USER1, "Buffer could not be read entirely\n");
                goto exit;
        }

        if (ret != Z_STREAM_END)
                goto exit;

        if (op->m_src->nb_segs > 1) {
                uint32_t remaining_data = stream.total_out;
                uint8_t *src_data = single_dst_buf;
                struct rte_mbuf *dst_buf = op->m_dst;

                while (remaining_data > 0) {
                        uint8_t *dst_data = rte_pktmbuf_mtod(dst_buf,
                                        uint8_t *);
                        /* Last segment */
                        if (remaining_data < dst_buf->data_len) {
                                memcpy(dst_data, src_data, remaining_data);
                                remaining_data = 0;
                        } else {
                                memcpy(dst_data, src_data, dst_buf->data_len);
                                remaining_data -= dst_buf->data_len;
                                src_data += dst_buf->data_len;
                                dst_buf = dst_buf->next;
                        }
                }
        }

        op->consumed = stream.total_in;
        op->produced = stream.total_out;
        op->status = RTE_COMP_OP_STATUS_SUCCESS;

        inflateReset(&stream);

        ret = 0;
exit:
        inflateEnd(&stream);

        return ret;
}

static int
prepare_sgl_bufs(const char *test_buf, struct rte_mbuf *head_buf,
                uint32_t total_data_size,
                struct rte_mempool *small_mbuf_pool,
                struct rte_mempool *large_mbuf_pool,
                uint8_t limit_segs_in_sgl,
                uint16_t seg_size)
{
        uint32_t remaining_data = total_data_size;
        uint16_t num_remaining_segs = DIV_CEIL(remaining_data, seg_size);
        struct rte_mempool *pool;
        struct rte_mbuf *next_seg;
        uint32_t data_size;
        char *buf_ptr;
        const char *data_ptr = test_buf;
        uint16_t i;
        int ret;

        if (limit_segs_in_sgl != 0 && num_remaining_segs > limit_segs_in_sgl)
                num_remaining_segs = limit_segs_in_sgl - 1;

        /*
         * Allocate data in the first segment (header) and
         * copy data if test buffer is provided
         */
        if (remaining_data < seg_size)
                data_size = remaining_data;
        else
                data_size = seg_size;

        buf_ptr = rte_pktmbuf_append(head_buf, data_size);
        if (buf_ptr == NULL) {
                RTE_LOG(ERR, USER1,
                        "Not enough space in the 1st buffer\n");
                return -1;
        }

        if (data_ptr != NULL) {
                /* Copy characters without NULL terminator */
                memcpy(buf_ptr, data_ptr, data_size);
                data_ptr += data_size;
        }
        remaining_data -= data_size;
        num_remaining_segs--;

        /*
         * Allocate the rest of the segments,
         * copy the rest of the data and chain the segments.
         */
        for (i = 0; i < num_remaining_segs; i++) {

                if (i == (num_remaining_segs - 1)) {
                        /* last segment */
                        if (remaining_data > seg_size)
                                pool = large_mbuf_pool;
                        else
                                pool = small_mbuf_pool;
                        data_size = remaining_data;
                } else {
                        data_size = seg_size;
                        pool = small_mbuf_pool;
                }

                next_seg = rte_pktmbuf_alloc(pool);
                if (next_seg == NULL) {
                        RTE_LOG(ERR, USER1,
                                "New segment could not be allocated "
                                "from the mempool\n");
                        return -1;
                }
                buf_ptr = rte_pktmbuf_append(next_seg, data_size);
                if (buf_ptr == NULL) {
                        RTE_LOG(ERR, USER1,
                                "Not enough space in the buffer\n");
                        rte_pktmbuf_free(next_seg);
                        return -1;
                }
                if (data_ptr != NULL) {
                        /* Copy characters without NULL terminator */
                        memcpy(buf_ptr, data_ptr, data_size);
                        data_ptr += data_size;
                }
                remaining_data -= data_size;

                ret = rte_pktmbuf_chain(head_buf, next_seg);
                if (ret != 0) {
                        rte_pktmbuf_free(next_seg);
                        RTE_LOG(ERR, USER1,
                                "Segment could not chained\n");
                        return -1;
                }
        }

        return 0;
}

static void
extbuf_free_callback(void *addr __rte_unused, void *opaque __rte_unused)
{
}

static int
test_run_enqueue_dequeue(struct rte_comp_op **ops,
                         struct rte_comp_op **ops_processed,
                         unsigned int num_bufs)
{
        uint16_t num_enqd, num_deqd, num_total_deqd;
        unsigned int deqd_retries = 0;
        int res = 0;

        /* Enqueue and dequeue all operations */
        num_enqd = rte_compressdev_enqueue_burst(0, 0, ops, num_bufs);
        if (num_enqd < num_bufs) {
                RTE_LOG(ERR, USER1,
                        "Some operations could not be enqueued\n");
                res = -1;
        }

        /* dequeue ops even on error (same number of ops as was enqueued) */

        num_total_deqd = 0;
        while (num_total_deqd < num_enqd) {
                /*
                 * If retrying a dequeue call, wait for 10 ms to allow
                 * enough time to the driver to process the operations
                 */
                if (deqd_retries != 0) {
                        /*
                         * Avoid infinite loop if not all the
                         * operations get out of the device
                         */
                        if (deqd_retries == MAX_DEQD_RETRIES) {
                                RTE_LOG(ERR, USER1,
                                        "Not all operations could be dequeued\n");
                                res = -1;
                                break;
                        }
                        usleep(DEQUEUE_WAIT_TIME);
                }
                num_deqd = rte_compressdev_dequeue_burst(0, 0,
                                &ops_processed[num_total_deqd], num_bufs);
                num_total_deqd += num_deqd;
                deqd_retries++;

        }

        return res;
}

/**
 * Arrays initialization. Input buffers preparation for compression.
 *
 * API that initializes all the private arrays to NULL
 * and allocates input buffers to perform compression operations.
 *
 * @param int_data
 *   Interim data containing session/transformation objects.
 * @param test_data
 *   The test parameters set by users (command line parameters).
 * @param test_priv_data
 *   A container used for aggregation all the private test arrays.
 * @return
 *   - 0: On success.
 *   - -1: On error.
 */
static int
test_setup_com_bufs(const struct interim_data_params *int_data,
                const struct test_data_params *test_data,
                const struct test_private_arrays *test_priv_data)
{
        /* local variables: */
        unsigned int i;
        uint32_t data_size;
        char *buf_ptr;
        int ret;
        char **all_decomp_data = test_priv_data->all_decomp_data;

        struct comp_testsuite_params *ts_params = &testsuite_params;

        /* from int_data: */
        const char * const *test_bufs = int_data->test_bufs;
        unsigned int num_bufs = int_data->num_bufs;

        /* from test_data: */
        unsigned int buff_type = test_data->buff_type;
        unsigned int big_data = test_data->big_data;

        /* from test_priv_data: */
        struct rte_mbuf **uncomp_bufs = test_priv_data->uncomp_bufs;
        struct rte_mempool *buf_pool;

        static struct rte_mbuf_ext_shared_info inbuf_info;

        size_t array_size = sizeof(void *) * num_bufs;

        /* Initialize all arrays to NULL */
        memset(test_priv_data->uncomp_bufs, 0, array_size);
        memset(test_priv_data->comp_bufs, 0, array_size);
        memset(test_priv_data->ops, 0, array_size);
        memset(test_priv_data->ops_processed, 0, array_size);
        memset(test_priv_data->priv_xforms, 0, array_size);
        memset(test_priv_data->compressed_data_size,
               0, sizeof(uint32_t) * num_bufs);

        if (test_data->decompress_state == RTE_COMP_OP_STATEFUL) {
                data_size = strlen(test_bufs[0]) + 1;
                *all_decomp_data = rte_malloc(NULL, data_size,
                                             RTE_CACHE_LINE_SIZE);
        }

        if (big_data)
                buf_pool = ts_params->big_mbuf_pool;
        else if (buff_type == SGL_BOTH)
                buf_pool = ts_params->small_mbuf_pool;
        else
                buf_pool = ts_params->large_mbuf_pool;

        /* for compression uncomp_bufs is used as a source buffer */
        /* allocation from buf_pool (mempool type) */
        ret = rte_pktmbuf_alloc_bulk(buf_pool,
                                uncomp_bufs, num_bufs);
        if (ret < 0) {
                RTE_LOG(ERR, USER1,
                        "Source mbufs could not be allocated "
                        "from the mempool\n");
                return -1;
        }

        if (test_data->use_external_mbufs) {
                inbuf_info.free_cb = extbuf_free_callback;
                inbuf_info.fcb_opaque = NULL;
                rte_mbuf_ext_refcnt_set(&inbuf_info, 1);
                for (i = 0; i < num_bufs; i++) {
                        rte_pktmbuf_attach_extbuf(uncomp_bufs[i],
                                        test_data->inbuf_memzone->addr,
                                        test_data->inbuf_memzone->iova,
                                        test_data->inbuf_data_size,
                                        &inbuf_info);
                        buf_ptr = rte_pktmbuf_append(uncomp_bufs[i],
                                        test_data->inbuf_data_size);
                        if (buf_ptr == NULL) {
                                RTE_LOG(ERR, USER1,
                                        "Append extra bytes to the source mbuf failed\n");
                                return -1;
                        }
                }
        } else if (buff_type == SGL_BOTH || buff_type == SGL_TO_LB) {
                for (i = 0; i < num_bufs; i++) {
                        data_size = strlen(test_bufs[i]) + 1;
                        if (prepare_sgl_bufs(test_bufs[i], uncomp_bufs[i],
                            data_size,
                            big_data ? buf_pool : ts_params->small_mbuf_pool,
                            big_data ? buf_pool : ts_params->large_mbuf_pool,
                            big_data ? 0 : MAX_SEGS,
                            big_data ? MAX_DATA_MBUF_SIZE : SMALL_SEG_SIZE) < 0)
                                return -1;
                }
        } else {
                for (i = 0; i < num_bufs; i++) {
                        data_size = strlen(test_bufs[i]) + 1;

                        buf_ptr = rte_pktmbuf_append(uncomp_bufs[i], data_size);
                        if (buf_ptr == NULL) {
                                RTE_LOG(ERR, USER1,
                                        "Append extra bytes to the source mbuf failed\n");
                                return -1;
                        }
                        strlcpy(buf_ptr, test_bufs[i], data_size);
                }
        }

        return 0;
}

/**
 * Data size calculation (for both compression and decompression).
 *
 * Calculate size of anticipated output buffer required for both
 * compression and decompression operations based on input int_data.
 *
 * @param op_type
 *   Operation type: compress or decompress
 * @param out_of_space_and_zlib
 *   Boolean value to switch into "out of space" buffer if set.
 *   To test "out-of-space" data size, zlib_decompress must be set as well.
 * @param test_priv_data
 *   A container used for aggregation all the private test arrays.
 * @param int_data
 *   Interim data containing session/transformation objects.
 * @param test_data
 *   The test parameters set by users (command line parameters).
 * @param i
 *   current buffer index
 * @return
 *   data size
 */
static inline uint32_t
test_mbufs_calculate_data_size(
                enum operation_type op_type,
                unsigned int out_of_space_and_zlib,
                const struct test_private_arrays *test_priv_data,
                const struct interim_data_params *int_data,
                const struct test_data_params *test_data,
                unsigned int i)
{
        /* local variables: */
        uint32_t data_size;
        struct priv_op_data *priv_data;
        float ratio_val;
        enum ratio_switch ratio = test_data->ratio;

        uint8_t not_zlib_compr; /* true if zlib isn't current compression dev */
        enum overflow_test overflow = test_data->overflow;

        /* from test_priv_data: */
        struct rte_comp_op **ops_processed = test_priv_data->ops_processed;

        /* from int_data: */
        const char * const *test_bufs = int_data->test_bufs;

        if (out_of_space_and_zlib)
                data_size = OUT_OF_SPACE_BUF;
        else {
                if (op_type == OPERATION_COMPRESSION) {
                        not_zlib_compr = (test_data->zlib_dir == ZLIB_DECOMPRESS
                                || test_data->zlib_dir == ZLIB_NONE);

                        ratio_val = (ratio == RATIO_ENABLED) ?
                                        COMPRESS_BUF_SIZE_RATIO :
                                        COMPRESS_BUF_SIZE_RATIO_DISABLED;

                        ratio_val = (not_zlib_compr &&
                                (overflow == OVERFLOW_ENABLED)) ?
                                COMPRESS_BUF_SIZE_RATIO_OVERFLOW :
                                ratio_val;

                        data_size = strlen(test_bufs[i]) * ratio_val;
                } else {
                        priv_data = (struct priv_op_data *)
                                        (ops_processed[i] + 1);
                        data_size = strlen(test_bufs[priv_data->orig_idx]) + 1;
                }
        }

        return data_size;
}


/**
 * Memory buffers preparation (for both compression and decompression).
 *
 * Function allocates output buffers to perform compression
 * or decompression operations depending on value of op_type.
 *
 * @param op_type
 *   Operation type: compress or decompress
 * @param out_of_space_and_zlib
 *   Boolean value to switch into "out of space" buffer if set.
 *   To test "out-of-space" data size, zlib_decompress must be set as well.
 * @param test_priv_data
 *   A container used for aggregation all the private test arrays.
 * @param int_data
 *   Interim data containing session/transformation objects.
 * @param test_data
 *   The test parameters set by users (command line parameters).
 * @param current_extbuf_info,
 *   The structure containing all the information related to external mbufs
 * @return
 *   - 0: On success.
 *   - -1: On error.
 */
static int
test_setup_output_bufs(
                enum operation_type op_type,
                unsigned int out_of_space_and_zlib,
                const struct test_private_arrays *test_priv_data,
                const struct interim_data_params *int_data,
                const struct test_data_params *test_data,
                struct rte_mbuf_ext_shared_info *current_extbuf_info)
{
        /* local variables: */
        unsigned int i;
        uint32_t data_size;
        int ret;
        char *buf_ptr;

        /* from test_priv_data: */
        struct rte_mbuf **current_bufs;

        /* from int_data: */
        unsigned int num_bufs = int_data->num_bufs;

        /* from test_data: */
        unsigned int buff_type = test_data->buff_type;
        unsigned int big_data = test_data->big_data;
        const struct rte_memzone *current_memzone;

        struct comp_testsuite_params *ts_params = &testsuite_params;
        struct rte_mempool *buf_pool;

        if (big_data)
                buf_pool = ts_params->big_mbuf_pool;
        else if (buff_type == SGL_BOTH)
                buf_pool = ts_params->small_mbuf_pool;
        else
                buf_pool = ts_params->large_mbuf_pool;

        if (op_type == OPERATION_COMPRESSION)
                current_bufs = test_priv_data->comp_bufs;
        else
                current_bufs = test_priv_data->uncomp_bufs;

        /* the mbufs allocation*/
        ret = rte_pktmbuf_alloc_bulk(buf_pool, current_bufs, num_bufs);
        if (ret < 0) {
                RTE_LOG(ERR, USER1,
                        "Destination mbufs could not be allocated "
                        "from the mempool\n");
                return -1;
        }

        if (test_data->use_external_mbufs) {
                current_extbuf_info->free_cb = extbuf_free_callback;
                current_extbuf_info->fcb_opaque = NULL;
                rte_mbuf_ext_refcnt_set(current_extbuf_info, 1);
                if (op_type == OPERATION_COMPRESSION)
                        current_memzone = test_data->compbuf_memzone;
                else
                        current_memzone = test_data->uncompbuf_memzone;

                for (i = 0; i < num_bufs; i++) {
                        rte_pktmbuf_attach_extbuf(current_bufs[i],
                                        current_memzone->addr,
                                        current_memzone->iova,
                                        current_memzone->len,
                                        current_extbuf_info);
                        rte_pktmbuf_append(current_bufs[i],
                                        current_memzone->len);
                }
        } else {
                for (i = 0; i < num_bufs; i++) {

                        enum rte_comp_huffman comp_huffman =
                        ts_params->def_comp_xform->compress.deflate.huffman;

                        /* data size calculation */
                        data_size = test_mbufs_calculate_data_size(
                                        op_type,
                                        out_of_space_and_zlib,
                                        test_priv_data,
                                        int_data,
                                        test_data,
                                        i);

                        if (comp_huffman != RTE_COMP_HUFFMAN_DYNAMIC) {
                                if (op_type == OPERATION_DECOMPRESSION)
                                        data_size *= COMPRESS_BUF_SIZE_RATIO;
                        }

                        /* data allocation */
                        if (buff_type == SGL_BOTH || buff_type == LB_TO_SGL) {
                                ret = prepare_sgl_bufs(NULL, current_bufs[i],
                                      data_size,
                                      big_data ? buf_pool :
                                                ts_params->small_mbuf_pool,
                                      big_data ? buf_pool :
                                                ts_params->large_mbuf_pool,
                                      big_data ? 0 : MAX_SEGS,
                                      big_data ? MAX_DATA_MBUF_SIZE :
                                                 SMALL_SEG_SIZE);
                                if (ret < 0)
                                        return -1;
                        } else {
                                buf_ptr = rte_pktmbuf_append(current_bufs[i],
                                                data_size);
                                if (buf_ptr == NULL) {
                                        RTE_LOG(ERR, USER1,
                                                "Append extra bytes to the destination mbuf failed\n");
                                        return -1;
                                }
                        }
                }
        }

        return 0;
}

/**
 * The main compression function.
 *
 * Function performs compression operation.
 * Operation(s) configuration, depending on CLI parameters.
 * Operation(s) processing.
 *
 * @param int_data
 *   Interim data containing session/transformation objects.
 * @param test_data
 *   The test parameters set by users (command line parameters).
 * @param test_priv_data
 *   A container used for aggregation all the private test arrays.
 * @return
 *   - 0: On success.
 *   - -1: On error.
 */
static int
test_deflate_comp_run(const struct interim_data_params *int_data,
                const struct test_data_params *test_data,
                const struct test_private_arrays *test_priv_data)
{
        /* local variables: */
        struct priv_op_data *priv_data;
        unsigned int i;
        uint16_t num_priv_xforms = 0;
        int ret;
        int ret_status = 0;
        char *buf_ptr;

        struct comp_testsuite_params *ts_params = &testsuite_params;

        /* from test_data: */
        enum rte_comp_op_type operation_type = test_data->compress_state;
        unsigned int zlib_compress =
                        (test_data->zlib_dir == ZLIB_ALL ||
                        test_data->zlib_dir == ZLIB_COMPRESS);

        /* from int_data: */
        struct rte_comp_xform **compress_xforms = int_data->compress_xforms;
        unsigned int num_xforms = int_data->num_xforms;
        unsigned int num_bufs = int_data->num_bufs;

        /* from test_priv_data: */
        struct rte_mbuf **comp_bufs = test_priv_data->comp_bufs;
        struct rte_mbuf **uncomp_bufs = test_priv_data->uncomp_bufs;
        struct rte_comp_op **ops = test_priv_data->ops;
        struct rte_comp_op **ops_processed = test_priv_data->ops_processed;
        void **priv_xforms = test_priv_data->priv_xforms;

        const struct rte_compressdev_capabilities *capa =
                rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);

        /* Build the compression operations */
        ret = rte_comp_op_bulk_alloc(ts_params->op_pool, ops, num_bufs);
        if (ret < 0) {
                RTE_LOG(ERR, USER1,
                        "Compress operations could not be allocated "
                        "from the mempool\n");
                ret_status = -1;
                goto exit;
        }

        for (i = 0; i < num_bufs; i++) {
                ops[i]->m_src = uncomp_bufs[i];
                ops[i]->m_dst = comp_bufs[i];
                ops[i]->src.offset = 0;
                ops[i]->src.length = rte_pktmbuf_pkt_len(uncomp_bufs[i]);
                ops[i]->dst.offset = 0;

                RTE_LOG(DEBUG, USER1,
                                "Uncompressed buffer length = %u compressed buffer length = %u",
                                rte_pktmbuf_pkt_len(uncomp_bufs[i]),
                                rte_pktmbuf_pkt_len(comp_bufs[i]));

                if (operation_type == RTE_COMP_OP_STATELESS) {
                        ops[i]->flush_flag = RTE_COMP_FLUSH_FINAL;
                } else {
                        RTE_LOG(ERR, USER1,
                                "Compression: stateful operations are not "
                                "supported in these tests yet\n");
                        ret_status = -1;
                        goto exit;
                }
                ops[i]->input_chksum = 0;
                /*
                 * Store original operation index in private data,
                 * since ordering does not have to be maintained,
                 * when dequeuing from compressdev, so a comparison
                 * at the end of the test can be done.
                 */
                priv_data = (struct priv_op_data *) (ops[i] + 1);
                priv_data->orig_idx = i;
        }

        /* Compress data (either with Zlib API or compressdev API */
        if (zlib_compress) {
                for (i = 0; i < num_bufs; i++) {
                        const struct rte_comp_xform *compress_xform =
                                compress_xforms[i % num_xforms];
                        ret = compress_zlib(ops[i], compress_xform,
                                        DEFAULT_MEM_LEVEL);
                        if (ret < 0) {
                                ret_status = -1;
                                goto exit;
                        }

                        ops_processed[i] = ops[i];
                }
        } else {
                /* Create compress private xform data */
                for (i = 0; i < num_xforms; i++) {
                        ret = rte_compressdev_private_xform_create(0,
                                (const struct rte_comp_xform *)
                                        compress_xforms[i],
                                &priv_xforms[i]);
                        if (ret < 0) {
                                RTE_LOG(ERR, USER1,
                                        "Compression private xform "
                                        "could not be created\n");
                                ret_status = -1;
                                goto exit;
                        }
                        num_priv_xforms++;
                }
                if (capa->comp_feature_flags &
                                RTE_COMP_FF_SHAREABLE_PRIV_XFORM) {
                        /* Attach shareable private xform data to ops */
                        for (i = 0; i < num_bufs; i++)
                                ops[i]->private_xform =
                                                priv_xforms[i % num_xforms];
                } else {
                /* Create rest of the private xforms for the other ops */
                        for (i = num_xforms; i < num_bufs; i++) {
                                ret = rte_compressdev_private_xform_create(0,
                                        compress_xforms[i % num_xforms],
                                        &priv_xforms[i]);
                                if (ret < 0) {
                                        RTE_LOG(ERR, USER1,
                                                "Compression private xform "
                                                "could not be created\n");
                                        ret_status = -1;
                                        goto exit;
                                }
                                num_priv_xforms++;
                        }
                        /* Attach non shareable private xform data to ops */
                        for (i = 0; i < num_bufs; i++)
                                ops[i]->private_xform = priv_xforms[i];
                }

recovery_lb:
                ret = test_run_enqueue_dequeue(ops, ops_processed, num_bufs);
                if (ret < 0) {
                        RTE_LOG(ERR, USER1,
                                "Compression: enqueue/dequeue operation failed\n");
                        ret_status = -1;
                        goto exit;
                }

                for (i = 0; i < num_bufs; i++) {
                        test_priv_data->compressed_data_size[i] +=
                                        ops_processed[i]->produced;

                        if (ops_processed[i]->status ==
                                RTE_COMP_OP_STATUS_OUT_OF_SPACE_RECOVERABLE) {

                                ops[i]->status =
                                        RTE_COMP_OP_STATUS_NOT_PROCESSED;
                                ops[i]->src.offset +=
                                        ops_processed[i]->consumed;
                                ops[i]->src.length -=
                                        ops_processed[i]->consumed;
                                ops[i]->dst.offset +=
                                        ops_processed[i]->produced;

                                buf_ptr = rte_pktmbuf_append(
                                        ops[i]->m_dst,
                                        ops_processed[i]->produced);

                                if (buf_ptr == NULL) {
                                        RTE_LOG(ERR, USER1,
                                                "Data recovery: append extra bytes to the current mbuf failed\n");
                                        ret_status = -1;
                                        goto exit;
                                }
                                goto recovery_lb;
                        }
                }
        }

exit:
        /* Free resources */
        if (ret_status < 0)
                for (i = 0; i < num_bufs; i++) {
                        rte_comp_op_free(ops[i]);
                        ops[i] = NULL;
                        ops_processed[i] = NULL;
                }

        /* Free compress private xforms */
        for (i = 0; i < num_priv_xforms; i++) {
                if (priv_xforms[i] != NULL) {
                        rte_compressdev_private_xform_free(0, priv_xforms[i]);
                        priv_xforms[i] = NULL;
                }
        }

        return ret_status;
}

/**
 * Prints out the test report. Memory freeing.
 *
 * Called after successful compression.
 * Operation(s) status validation and decompression buffers freeing.

 * -1 returned if function fail.
 *
 * @param int_data
 *   Interim data containing session/transformation objects.
 * @param test_data
 *   The test parameters set by users (command line parameters).
 * @param test_priv_data
 *   A container used for aggregation all the private test arrays.
 * @return
 *   - 2: Some operation is not supported
 *   - 1: Decompression should be skipped
 *   - 0: On success.
 *   - -1: On error.
 */
static int
test_deflate_comp_finalize(const struct interim_data_params *int_data,
                const struct test_data_params *test_data,
                const struct test_private_arrays *test_priv_data)
{
        /* local variables: */
        unsigned int i;
        struct priv_op_data *priv_data;

        /* from int_data: */
        unsigned int num_xforms = int_data->num_xforms;
        struct rte_comp_xform **compress_xforms = int_data->compress_xforms;
        unsigned int num_bufs = int_data->num_bufs;

        /* from test_priv_data: */
        struct rte_comp_op **ops_processed = test_priv_data->ops_processed;
        uint64_t *compress_checksum = test_priv_data->compress_checksum;
        struct rte_mbuf **uncomp_bufs = test_priv_data->uncomp_bufs;
        struct rte_comp_op **ops = test_priv_data->ops;

        /* from test_data: */
        unsigned int out_of_space = test_data->out_of_space;
        unsigned int zlib_compress =
                        (test_data->zlib_dir == ZLIB_ALL ||
                        test_data->zlib_dir == ZLIB_COMPRESS);
        unsigned int zlib_decompress =
                        (test_data->zlib_dir == ZLIB_ALL ||
                        test_data->zlib_dir == ZLIB_DECOMPRESS);

        for (i = 0; i < num_bufs; i++) {
                priv_data = (struct priv_op_data *)(ops_processed[i] + 1);
                uint16_t xform_idx = priv_data->orig_idx % num_xforms;
                const struct rte_comp_compress_xform *compress_xform =
                                &compress_xforms[xform_idx]->compress;
                enum rte_comp_huffman huffman_type =
                        compress_xform->deflate.huffman;
                char engine[] = "zlib (directly, not PMD)";
                if (zlib_decompress)
                        strlcpy(engine, "PMD", sizeof(engine));

                RTE_LOG(DEBUG, USER1, "Buffer %u compressed by %s from %u to"
                        " %u bytes (level = %d, huffman = %s)\n",
                        i, engine,
                        ops_processed[i]->consumed, ops_processed[i]->produced,
                        compress_xform->level,
                        huffman_type_strings[huffman_type]);
                RTE_LOG(DEBUG, USER1, "Compression ratio = %.2f\n",
                        ops_processed[i]->consumed == 0 ? 0 :
                        (float)ops_processed[i]->produced /
                        ops_processed[i]->consumed * 100);
                if (compress_xform->chksum != RTE_COMP_CHECKSUM_NONE)
                        compress_checksum[i] = ops_processed[i]->output_chksum;
                ops[i] = NULL;
        }

        /*
         * Check operation status and free source mbufs (destination mbuf and
         * compress operation information is needed for the decompression stage)
         */
        for (i = 0; i < num_bufs; i++) {
                if (out_of_space && !zlib_compress) {
                        if (ops_processed[i]->status !=
                                RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED) {
                                RTE_LOG(ERR, USER1,
                                        "Operation without expected out of "
                                        "space status error\n");
                                return -1;
                        } else
                                continue;
                }

                if (ops_processed[i]->status != RTE_COMP_OP_STATUS_SUCCESS) {
                        if (test_data->overflow == OVERFLOW_ENABLED) {
                                if (ops_processed[i]->status ==
                                RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED) {
                                        RTE_LOG(INFO, USER1,
                                        "Out-of-space-recoverable functionality"
                                        " is not supported on this device\n");
                                        return 2;
                                }
                        }

                        RTE_LOG(ERR, USER1,
                                "Comp: Some operations were not successful\n");
                        return -1;
                }
                priv_data = (struct priv_op_data *)(ops_processed[i] + 1);
                rte_pktmbuf_free(uncomp_bufs[priv_data->orig_idx]);
                uncomp_bufs[priv_data->orig_idx] = NULL;
        }

        if (out_of_space && !zlib_compress)
                return 1;

        return 0;
}

/**
 * The main decompression function.
 *
 * Function performs decompression operation.
 * Operation(s) configuration, depending on CLI parameters.
 * Operation(s) processing.
 *
 * @param int_data
 *   Interim data containing session/transformation objects.
 * @param test_data
 *   The test parameters set by users (command line parameters).
 * @param test_priv_data
 *   A container used for aggregation all the private test arrays.
 * @return
 *   - 0: On success.
 *   - -1: On error.
 */
static int
test_deflate_decomp_run(const struct interim_data_params *int_data,
                const struct test_data_params *test_data,
                struct test_private_arrays *test_priv_data)
{

        /* local variables: */
        struct priv_op_data *priv_data;
        unsigned int i;
        uint16_t num_priv_xforms = 0;
        int ret;
        int ret_status = 0;

        struct comp_testsuite_params *ts_params = &testsuite_params;

        /* from test_data: */
        enum rte_comp_op_type operation_type = test_data->decompress_state;
        unsigned int zlib_decompress =
                        (test_data->zlib_dir == ZLIB_ALL ||
                        test_data->zlib_dir == ZLIB_DECOMPRESS);

        /* from int_data: */
        struct rte_comp_xform **decompress_xforms = int_data->decompress_xforms;
        unsigned int num_xforms = int_data->num_xforms;
        unsigned int num_bufs = int_data->num_bufs;

        /* from test_priv_data: */
        struct rte_mbuf **uncomp_bufs = test_priv_data->uncomp_bufs;
        struct rte_mbuf **comp_bufs = test_priv_data->comp_bufs;
        struct rte_comp_op **ops = test_priv_data->ops;
        struct rte_comp_op **ops_processed = test_priv_data->ops_processed;
        void **priv_xforms = test_priv_data->priv_xforms;
        uint32_t *compressed_data_size = test_priv_data->compressed_data_size;
        void **stream = test_priv_data->stream;

        const struct rte_compressdev_capabilities *capa =
                rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);

        ret = rte_comp_op_bulk_alloc(ts_params->op_pool, ops, num_bufs);
        if (ret < 0) {
                RTE_LOG(ERR, USER1,
                        "Decompress operations could not be allocated "
                        "from the mempool\n");
                ret_status = -1;
                goto exit;
        }

        /* Source buffer is the compressed data from the previous operations */
        for (i = 0; i < num_bufs; i++) {
                ops[i]->m_src = comp_bufs[i];
                ops[i]->m_dst = uncomp_bufs[i];
                ops[i]->src.offset = 0;
                /*
                 * Set the length of the compressed data to the
                 * number of bytes that were produced in the previous stage
                 */

                if (compressed_data_size[i])
                        ops[i]->src.length = compressed_data_size[i];
                else
                        ops[i]->src.length = ops_processed[i]->produced;

                ops[i]->dst.offset = 0;

                if (operation_type == RTE_COMP_OP_STATELESS) {
                        ops[i]->flush_flag = RTE_COMP_FLUSH_FINAL;
                        ops[i]->op_type = RTE_COMP_OP_STATELESS;
                } else if (!zlib_decompress) {
                        ops[i]->flush_flag = RTE_COMP_FLUSH_SYNC;
                        ops[i]->op_type = RTE_COMP_OP_STATEFUL;
                } else {
                        RTE_LOG(ERR, USER1,
                                "Decompression: stateful operations are"
                                " not supported in these tests yet\n");
                        ret_status = -1;
                        goto exit;
                }
                ops[i]->input_chksum = 0;
                /*
                 * Copy private data from previous operations,
                 * to keep the pointer to the original buffer
                 */
                memcpy(ops[i] + 1, ops_processed[i] + 1,
                                sizeof(struct priv_op_data));
        }

        /*
         * Free the previous compress operations,
         * as they are not needed anymore
         */
        rte_comp_op_bulk_free(ops_processed, num_bufs);

        /* Decompress data (either with Zlib API or compressdev API */
        if (zlib_decompress) {
                for (i = 0; i < num_bufs; i++) {
                        priv_data = (struct priv_op_data *)(ops[i] + 1);
                        uint16_t xform_idx = priv_data->orig_idx % num_xforms;
                        const struct rte_comp_xform *decompress_xform =
                                decompress_xforms[xform_idx];

                        ret = decompress_zlib(ops[i], decompress_xform);
                        if (ret < 0) {
                                ret_status = -1;
                                goto exit;
                        }

                        ops_processed[i] = ops[i];
                }
        } else {
                if (operation_type == RTE_COMP_OP_STATELESS) {
                        /* Create decompress private xform data */
                        for (i = 0; i < num_xforms; i++) {
                                ret = rte_compressdev_private_xform_create(0,
                                        (const struct rte_comp_xform *)
                                        decompress_xforms[i],
                                        &priv_xforms[i]);
                                if (ret < 0) {
                                        RTE_LOG(ERR, USER1,
                                                "Decompression private xform "
                                                "could not be created\n");
                                        ret_status = -1;
                                        goto exit;
                                }
                                num_priv_xforms++;
                        }

                        if (capa->comp_feature_flags &
                                        RTE_COMP_FF_SHAREABLE_PRIV_XFORM) {
                                /* Attach shareable private xform data to ops */
                                for (i = 0; i < num_bufs; i++) {
                                        priv_data = (struct priv_op_data *)
                                                        (ops[i] + 1);
                                        uint16_t xform_idx =
                                               priv_data->orig_idx % num_xforms;
                                        ops[i]->private_xform =
                                                        priv_xforms[xform_idx];
                                }
                        } else {
                                /* Create rest of the private xforms */
                                /* for the other ops */
                                for (i = num_xforms; i < num_bufs; i++) {
                                        ret =
                                         rte_compressdev_private_xform_create(0,
                                              decompress_xforms[i % num_xforms],
                                              &priv_xforms[i]);
                                        if (ret < 0) {
                                                RTE_LOG(ERR, USER1,
                                                        "Decompression private xform"
                                                        " could not be created\n");
                                                ret_status = -1;
                                                goto exit;
                                        }
                                        num_priv_xforms++;
                                }

                                /* Attach non shareable private xform data */
                                /* to ops */
                                for (i = 0; i < num_bufs; i++) {
                                        priv_data = (struct priv_op_data *)
                                                        (ops[i] + 1);
                                        uint16_t xform_idx =
                                                        priv_data->orig_idx;
                                        ops[i]->private_xform =
                                                        priv_xforms[xform_idx];
                                }
                        }
                } else {
                        /* Create a stream object for stateful decompression */
                        ret = rte_compressdev_stream_create(0,
                                        decompress_xforms[0], stream);
                        if (ret < 0) {
                                RTE_LOG(ERR, USER1,
                                        "Decompression stream could not be created, error %d\n",
                                        ret);
                                ret_status = -1;
                                goto exit;
                        }
                        /* Attach stream to ops */
                        for (i = 0; i < num_bufs; i++)
                                ops[i]->stream = *stream;
                }

                test_priv_data->num_priv_xforms = num_priv_xforms;
        }

exit:
        return ret_status;
}

/**
 * Prints out the test report. Memory freeing.
 *
 * Called after successful decompression.
 * Operation(s) status validation and compression buffers freeing.

 * -1 returned if function fail.
 *
 * @param int_data
 *   Interim data containing session/transformation objects.
 * @param test_data
 *   The test parameters set by users (command line parameters).
 * @param test_priv_data
 *   A container used for aggregation all the private test arrays.
 * @return
 *   - 2: Next step must be executed by the caller (stateful decompression only)
 *   - 1: On success (caller should stop and exit)
 *   - 0: On success.
 *   - -1: On error.
 */
static int
test_deflate_decomp_finalize(const struct interim_data_params *int_data,
                const struct test_data_params *test_data,
                const struct test_private_arrays *test_priv_data)
{
        /* local variables: */
        unsigned int i;
        struct priv_op_data *priv_data;
        static unsigned int step;

        /* from int_data: */
        unsigned int num_bufs = int_data->num_bufs;
        const char * const *test_bufs = int_data->test_bufs;
        struct rte_comp_xform **compress_xforms = int_data->compress_xforms;

        /* from test_priv_data: */
        struct rte_comp_op **ops_processed = test_priv_data->ops_processed;
        struct rte_mbuf **comp_bufs = test_priv_data->comp_bufs;
        struct rte_comp_op **ops = test_priv_data->ops;
        uint64_t *compress_checksum = test_priv_data->compress_checksum;
        unsigned int *decomp_produced_data_size =
                        test_priv_data->decomp_produced_data_size;
        char **all_decomp_data = test_priv_data->all_decomp_data;

        /* from test_data: */
        unsigned int out_of_space = test_data->out_of_space;
        enum rte_comp_op_type operation_type = test_data->decompress_state;

        unsigned int zlib_compress =
                        (test_data->zlib_dir == ZLIB_ALL ||
                        test_data->zlib_dir == ZLIB_COMPRESS);
        unsigned int zlib_decompress =
                        (test_data->zlib_dir == ZLIB_ALL ||
                        test_data->zlib_dir == ZLIB_DECOMPRESS);

        for (i = 0; i < num_bufs; i++) {
                priv_data = (struct priv_op_data *)(ops_processed[i] + 1);
                char engine[] = "zlib, (directly, no PMD)";
                if (zlib_compress)
                        strlcpy(engine, "pmd", sizeof(engine));
                RTE_LOG(DEBUG, USER1,
                        "Buffer %u decompressed by %s from %u to %u bytes\n",
                        i, engine,
                        ops_processed[i]->consumed, ops_processed[i]->produced);
                ops[i] = NULL;
        }

        /*
         * Check operation status and free source mbuf (destination mbuf and
         * compress operation information is still needed)
         */
        for (i = 0; i < num_bufs; i++) {
                if (out_of_space && !zlib_decompress) {
                        if (ops_processed[i]->status !=
                                RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED) {

                                RTE_LOG(ERR, USER1,
                                        "Operation without expected out of "
                                        "space status error\n");
                                return -1;
                        } else
                                continue;
                }

                if (operation_type == RTE_COMP_OP_STATEFUL
                        && (ops_processed[i]->status ==
                                RTE_COMP_OP_STATUS_OUT_OF_SPACE_RECOVERABLE
                            || ops_processed[i]->status ==
                                RTE_COMP_OP_STATUS_SUCCESS)) {

                        RTE_LOG(DEBUG, USER1,
                                        ".............RECOVERABLE\n");

                        /* collect the output into all_decomp_data */
                        const void *ptr = rte_pktmbuf_read(
                                        ops_processed[i]->m_dst,
                                        ops_processed[i]->dst.offset,
                                        ops_processed[i]->produced,
                                        *all_decomp_data +
                                                *decomp_produced_data_size);
                        if (ptr != *all_decomp_data +
                                        *decomp_produced_data_size)
                                rte_memcpy(*all_decomp_data +
                                           *decomp_produced_data_size,
                                           ptr, ops_processed[i]->produced);

                        *decomp_produced_data_size +=
                                        ops_processed[i]->produced;
                        if (ops_processed[i]->src.length >
                                        ops_processed[i]->consumed) {
                                if (ops_processed[i]->status ==
                                                RTE_COMP_OP_STATUS_SUCCESS) {
                                        RTE_LOG(ERR, USER1,
                                              "Operation finished too early\n");
                                        return -1;
                                }
                                step++;
                                if (step >= test_data->decompress_steps_max) {
                                        RTE_LOG(ERR, USER1,
                                          "Operation exceeded maximum steps\n");
                                        return -1;
                                }
                                ops[i] = ops_processed[i];
                                ops[i]->status =
                                               RTE_COMP_OP_STATUS_NOT_PROCESSED;
                                ops[i]->src.offset +=
                                                ops_processed[i]->consumed;
                                ops[i]->src.length -=
                                                ops_processed[i]->consumed;
                                /* repeat the operation */
                                return 2;
                        } else {
                                /* Compare the original stream with the */
                                /* decompressed stream (in size and the data) */
                                priv_data = (struct priv_op_data *)
                                                (ops_processed[i] + 1);
                                const char *buf1 =
                                                test_bufs[priv_data->orig_idx];
                                const char *buf2 = *all_decomp_data;

                                if (compare_buffers(buf1, strlen(buf1) + 1,
                                          buf2, *decomp_produced_data_size) < 0)
                                        return -1;
                                /* Test checksums */
                                if (compress_xforms[0]->compress.chksum
                                                != RTE_COMP_CHECKSUM_NONE) {
                                        if (ops_processed[i]->output_chksum
                                                      != compress_checksum[i]) {
                                                RTE_LOG(ERR, USER1,
                        "The checksums differ\n"
                        "Compression Checksum: %" PRIu64 "\tDecompression "
                        "Checksum: %" PRIu64 "\n", compress_checksum[i],
                                               ops_processed[i]->output_chksum);
                                                return -1;
                                        }
                                }
                        }
                } else if (ops_processed[i]->status !=
                           RTE_COMP_OP_STATUS_SUCCESS) {
                        RTE_LOG(ERR, USER1,
                                        "Decomp: Some operations were not successful, status = %u\n",
                                        ops_processed[i]->status);
                        return -1;
                }
                priv_data = (struct priv_op_data *)(ops_processed[i] + 1);
                rte_pktmbuf_free(comp_bufs[priv_data->orig_idx]);
                comp_bufs[priv_data->orig_idx] = NULL;
        }

        if (out_of_space && !zlib_decompress)
                return 1;

        return 0;
}

/**
 * Validation of the output (compression/decompression) data.
 *
 * The function compares the source stream with the output stream,
 * after decompression, to check if compression/decompression
 * was correct.
 * -1 returned if function fail.
 *
 * @param int_data
 *   Interim data containing session/transformation objects.
 * @param test_data
 *   The test parameters set by users (command line parameters).
 * @param test_priv_data
 *   A container used for aggregation all the private test arrays.
 * @return
 *   - 0: On success.
 *   - -1: On error.
 */
static int
test_results_validation(const struct interim_data_params *int_data,
                const struct test_data_params *test_data,
                const struct test_private_arrays *test_priv_data)
{
        /* local variables: */
        unsigned int i;
        struct priv_op_data *priv_data;
        const char *buf1;
        const char *buf2;
        char *contig_buf = NULL;
        uint32_t data_size;

        /* from int_data: */
        struct rte_comp_xform **compress_xforms = int_data->compress_xforms;
        unsigned int num_bufs = int_data->num_bufs;
        const char * const *test_bufs = int_data->test_bufs;

        /* from test_priv_data: */
        uint64_t *compress_checksum = test_priv_data->compress_checksum;
        struct rte_comp_op **ops_processed = test_priv_data->ops_processed;

        /*
         * Compare the original stream with the decompressed stream
         * (in size and the data)
         */
        for (i = 0; i < num_bufs; i++) {
                priv_data = (struct priv_op_data *)(ops_processed[i] + 1);
                buf1 = test_data->use_external_mbufs ?
                                test_data->inbuf_memzone->addr :
                                test_bufs[priv_data->orig_idx];
                data_size = test_data->use_external_mbufs ?
                                test_data->inbuf_data_size :
                                strlen(buf1) + 1;

                contig_buf = rte_malloc(NULL, ops_processed[i]->produced, 0);
                if (contig_buf == NULL) {
                        RTE_LOG(ERR, USER1, "Contiguous buffer could not "
                                        "be allocated\n");
                        goto exit;
                }

                buf2 = rte_pktmbuf_read(ops_processed[i]->m_dst, 0,
                                ops_processed[i]->produced, contig_buf);
                if (compare_buffers(buf1, data_size,
                                buf2, ops_processed[i]->produced) < 0)
                        goto exit;

                /* Test checksums */
                if (compress_xforms[0]->compress.chksum !=
                                RTE_COMP_CHECKSUM_NONE) {
                        if (ops_processed[i]->output_chksum !=
                                        compress_checksum[i]) {
                                RTE_LOG(ERR, USER1, "The checksums differ\n"
                        "Compression Checksum: %" PRIu64 "\tDecompression "
                        "Checksum: %" PRIu64 "\n", compress_checksum[i],
                        ops_processed[i]->output_chksum);
                                goto exit;
                        }
                }

                rte_free(contig_buf);
                contig_buf = NULL;
        }
        return 0;

exit:
        rte_free(contig_buf);
        return -1;
}

/**
 * Compresses and decompresses input stream with compressdev API and Zlib API
 *
 * Basic test function. Common for all the functional tests.
 * -1 returned if function fail.
 *
 * @param int_data
 *   Interim data containing session/transformation objects.
 * @param test_data
 *   The test parameters set by users (command line parameters).
 * @return
 *   - 1: Some operation not supported
 *   - 0: On success.
 *   - -1: On error.
 */

static int
test_deflate_comp_decomp(const struct interim_data_params *int_data,
                const struct test_data_params *test_data)
{
        unsigned int num_bufs = int_data->num_bufs;
        unsigned int out_of_space = test_data->out_of_space;

        void *stream = NULL;
        char *all_decomp_data = NULL;
        unsigned int decomp_produced_data_size = 0;

        int ret_status = -1;
        int ret;
        struct rte_mbuf *uncomp_bufs[num_bufs];
        struct rte_mbuf *comp_bufs[num_bufs];
        struct rte_comp_op *ops[num_bufs];

        struct rte_comp_op *ops_processed[num_bufs];
        void *priv_xforms[num_bufs];
        unsigned int i;

        uint64_t compress_checksum[num_bufs];
        uint32_t compressed_data_size[num_bufs];
        char *contig_buf = NULL;

        struct rte_mbuf_ext_shared_info compbuf_info;
        struct rte_mbuf_ext_shared_info decompbuf_info;

        const struct rte_compressdev_capabilities *capa;

        /* Compressing with CompressDev */
        unsigned int zlib_compress =
                        (test_data->zlib_dir == ZLIB_ALL ||
                        test_data->zlib_dir == ZLIB_COMPRESS);
        unsigned int zlib_decompress =
                        (test_data->zlib_dir == ZLIB_ALL ||
                        test_data->zlib_dir == ZLIB_DECOMPRESS);

        struct test_private_arrays test_priv_data;

        test_priv_data.uncomp_bufs = uncomp_bufs;
        test_priv_data.comp_bufs = comp_bufs;
        test_priv_data.ops = ops;
        test_priv_data.ops_processed = ops_processed;
        test_priv_data.priv_xforms = priv_xforms;
        test_priv_data.compress_checksum = compress_checksum;
        test_priv_data.compressed_data_size = compressed_data_size;

        test_priv_data.stream = &stream;
        test_priv_data.all_decomp_data = &all_decomp_data;
        test_priv_data.decomp_produced_data_size = &decomp_produced_data_size;

        test_priv_data.num_priv_xforms = 0; /* it's used for decompression only */

        capa = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        if (capa == NULL) {
                RTE_LOG(ERR, USER1,
                        "Compress device does not support DEFLATE\n");
                return -1;
        }

        /* Prepare the source mbufs with the data */
        ret = test_setup_com_bufs(int_data, test_data, &test_priv_data);
        if (ret < 0) {
                ret_status = -1;
                goto exit;
        }

        RTE_LOG(DEBUG, USER1, "<<< COMPRESSION >>>\n");

/* COMPRESSION  */

        /* Prepare output (destination) mbufs for compressed data */
        ret = test_setup_output_bufs(
                        OPERATION_COMPRESSION,
                        out_of_space == 1 && !zlib_compress,
                        &test_priv_data,
                        int_data,
                        test_data,
                        &compbuf_info);
        if (ret < 0) {
                ret_status = -1;
                goto exit;
        }

        /* Run compression */
        ret = test_deflate_comp_run(int_data, test_data, &test_priv_data);
        if (ret < 0) {
                ret_status = -1;
                goto exit;
        }

        ret = test_deflate_comp_finalize(int_data, test_data, &test_priv_data);
        if (ret < 0) {
                ret_status = -1;
                goto exit;
        } else if (ret == 1) {
                ret_status = 0;
                goto exit;
        } else if (ret == 2) {
                ret_status = 1;  /* some operation not supported */
                goto exit;
        }

/* DECOMPRESSION  */

        RTE_LOG(DEBUG, USER1, "<<< DECOMPRESSION >>>\n");

        /* Prepare output (destination) mbufs for decompressed data */
        ret = test_setup_output_bufs(
                        OPERATION_DECOMPRESSION,
                        out_of_space == 1 && !zlib_decompress,
                        &test_priv_data,
                        int_data,
                        test_data,
                        &decompbuf_info);
        if (ret < 0) {
                ret_status = -1;
                goto exit;
        }

        /* Run decompression */
        ret = test_deflate_decomp_run(int_data, test_data, &test_priv_data);
        if (ret < 0) {
                ret_status = -1;
                goto exit;
        }

        if (!zlib_decompress) {
next_step:      /* next step for stateful decompression only */
                ret = test_run_enqueue_dequeue(ops, ops_processed, num_bufs);
                if (ret < 0) {
                        ret_status = -1;
                        RTE_LOG(ERR, USER1,
                                "Decompression: enqueue/dequeue operation failed\n");
                }
        }

        ret = test_deflate_decomp_finalize(int_data, test_data, &test_priv_data);
        if (ret < 0) {
                ret_status = -1;
                goto exit;
        } else if (ret == 1) {
                ret_status = 0;
                goto exit;
        } else if (ret == 2) {
                goto next_step;
        }

/* FINAL PROCESSING  */

        ret = test_results_validation(int_data, test_data, &test_priv_data);
        if (ret < 0) {
                ret_status = -1;
                goto exit;
        }
        ret_status = 0;

exit:
        /* Free resources */

        if (stream != NULL)
                rte_compressdev_stream_free(0, stream);
        rte_free(all_decomp_data);

        /* Free compress private xforms */
        for (i = 0; i < test_priv_data.num_priv_xforms; i++) {
                if (priv_xforms[i] != NULL) {
                        rte_compressdev_private_xform_free(0, priv_xforms[i]);
                        priv_xforms[i] = NULL;
                }
        }
        for (i = 0; i < num_bufs; i++) {
                rte_pktmbuf_free(uncomp_bufs[i]);
                rte_pktmbuf_free(comp_bufs[i]);
                rte_comp_op_free(ops[i]);
                rte_comp_op_free(ops_processed[i]);
        }
        rte_free(contig_buf);

        return ret_status;
}

static int
test_compressdev_deflate_stateless_fixed(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i;
        int ret;
        const struct rte_compressdev_capabilities *capab;

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_FIXED) == 0)
                return -ENOTSUP;

        struct rte_comp_xform *compress_xform =
                        rte_malloc(NULL, sizeof(struct rte_comp_xform), 0);

        if (compress_xform == NULL) {
                RTE_LOG(ERR, USER1,
                        "Compress xform could not be created\n");
                ret = TEST_FAILED;
                goto exit;
        }

        memcpy(compress_xform, ts_params->def_comp_xform,
                        sizeof(struct rte_comp_xform));
        compress_xform->compress.deflate.huffman = RTE_COMP_HUFFMAN_FIXED;

        struct interim_data_params int_data = {
                NULL,
                1,
                NULL,
                &compress_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_ENABLED
        };

        for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
                int_data.test_bufs = &compress_test_bufs[i];
                int_data.buf_idx = &i;

                /* Compress with compressdev, decompress with Zlib */
                test_data.zlib_dir = ZLIB_DECOMPRESS;
                ret = test_deflate_comp_decomp(&int_data, &test_data);
                if (ret < 0)
                        goto exit;

                /* Compress with Zlib, decompress with compressdev */
                test_data.zlib_dir = ZLIB_COMPRESS;
                ret = test_deflate_comp_decomp(&int_data, &test_data);
                if (ret < 0)
                        goto exit;
        }

        ret = TEST_SUCCESS;

exit:
        rte_free(compress_xform);
        return ret;
}

static int
test_compressdev_deflate_stateless_dynamic(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i;
        int ret;
        struct rte_comp_xform *compress_xform =
                        rte_malloc(NULL, sizeof(struct rte_comp_xform), 0);

        const struct rte_compressdev_capabilities *capab;

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if (compress_xform == NULL) {
                RTE_LOG(ERR, USER1,
                        "Compress xform could not be created\n");
                ret = TEST_FAILED;
                goto exit;
        }

        memcpy(compress_xform, ts_params->def_comp_xform,
                        sizeof(struct rte_comp_xform));
        compress_xform->compress.deflate.huffman = RTE_COMP_HUFFMAN_DYNAMIC;

        struct interim_data_params int_data = {
                NULL,
                1,
                NULL,
                &compress_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_ENABLED
        };

        for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
                int_data.test_bufs = &compress_test_bufs[i];
                int_data.buf_idx = &i;

                /* Compress with compressdev, decompress with Zlib */
                test_data.zlib_dir = ZLIB_DECOMPRESS;
                ret = test_deflate_comp_decomp(&int_data, &test_data);
                if (ret < 0)
                        goto exit;

                /* Compress with Zlib, decompress with compressdev */
                test_data.zlib_dir = ZLIB_COMPRESS;
                ret = test_deflate_comp_decomp(&int_data, &test_data);
                if (ret < 0)
                        goto exit;
        }

        ret = TEST_SUCCESS;

exit:
        rte_free(compress_xform);
        return ret;
}

static int
test_compressdev_deflate_stateless_multi_op(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t num_bufs = RTE_DIM(compress_test_bufs);
        uint16_t buf_idx[num_bufs];
        uint16_t i;
        int ret;

        for (i = 0; i < num_bufs; i++)
                buf_idx[i] = i;

        struct interim_data_params int_data = {
                compress_test_bufs,
                num_bufs,
                buf_idx,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_ENABLED
        };

        /* Compress with compressdev, decompress with Zlib */
        test_data.zlib_dir = ZLIB_DECOMPRESS;
        ret = test_deflate_comp_decomp(&int_data, &test_data);
        if (ret < 0)
                return ret;

        /* Compress with Zlib, decompress with compressdev */
        test_data.zlib_dir = ZLIB_COMPRESS;
        ret = test_deflate_comp_decomp(&int_data, &test_data);
        if (ret < 0)
                return ret;

        return TEST_SUCCESS;
}

static int
test_compressdev_deflate_stateless_multi_level(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        unsigned int level;
        uint16_t i;
        int ret;
        struct rte_comp_xform *compress_xform =
                        rte_malloc(NULL, sizeof(struct rte_comp_xform), 0);

        if (compress_xform == NULL) {
                RTE_LOG(ERR, USER1,
                        "Compress xform could not be created\n");
                ret = TEST_FAILED;
                goto exit;
        }

        memcpy(compress_xform, ts_params->def_comp_xform,
                        sizeof(struct rte_comp_xform));

        struct interim_data_params int_data = {
                NULL,
                1,
                NULL,
                &compress_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_ENABLED
        };

        for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
                int_data.test_bufs = &compress_test_bufs[i];
                int_data.buf_idx = &i;

                for (level = RTE_COMP_LEVEL_MIN; level <= RTE_COMP_LEVEL_MAX;
                                level++) {
                        compress_xform->compress.level = level;
                        /* Compress with compressdev, decompress with Zlib */
                        test_data.zlib_dir = ZLIB_DECOMPRESS;
                        ret = test_deflate_comp_decomp(&int_data, &test_data);
                        if (ret < 0)
                                goto exit;
                }
        }

        ret = TEST_SUCCESS;

exit:
        rte_free(compress_xform);
        return ret;
}

#define NUM_XFORMS 3
static int
test_compressdev_deflate_stateless_multi_xform(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t num_bufs = NUM_XFORMS;
        struct rte_comp_xform *compress_xforms[NUM_XFORMS] = {NULL};
        struct rte_comp_xform *decompress_xforms[NUM_XFORMS] = {NULL};
        const char *test_buffers[NUM_XFORMS];
        uint16_t i;
        unsigned int level = RTE_COMP_LEVEL_MIN;
        uint16_t buf_idx[num_bufs];
        int ret;

        /* Create multiple xforms with various levels */
        for (i = 0; i < NUM_XFORMS; i++) {
                compress_xforms[i] = rte_malloc(NULL,
                                sizeof(struct rte_comp_xform), 0);
                if (compress_xforms[i] == NULL) {
                        RTE_LOG(ERR, USER1,
                                "Compress xform could not be created\n");
                        ret = TEST_FAILED;
                        goto exit;
                }

                memcpy(compress_xforms[i], ts_params->def_comp_xform,
                                sizeof(struct rte_comp_xform));
                compress_xforms[i]->compress.level = level;
                level++;

                decompress_xforms[i] = rte_malloc(NULL,
                                sizeof(struct rte_comp_xform), 0);
                if (decompress_xforms[i] == NULL) {
                        RTE_LOG(ERR, USER1,
                                "Decompress xform could not be created\n");
                        ret = TEST_FAILED;
                        goto exit;
                }

                memcpy(decompress_xforms[i], ts_params->def_decomp_xform,
                                sizeof(struct rte_comp_xform));
        }

        for (i = 0; i < NUM_XFORMS; i++) {
                buf_idx[i] = 0;
                /* Use the same buffer in all sessions */
                test_buffers[i] = compress_test_bufs[0];
        }

        struct interim_data_params int_data = {
                test_buffers,
                num_bufs,
                buf_idx,
                compress_xforms,
                decompress_xforms,
                NUM_XFORMS
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_ENABLED
        };

        /* Compress with compressdev, decompress with Zlib */
        ret = test_deflate_comp_decomp(&int_data, &test_data);
        if (ret < 0)
                goto exit;

        ret = TEST_SUCCESS;

exit:
        for (i = 0; i < NUM_XFORMS; i++) {
                rte_free(compress_xforms[i]);
                rte_free(decompress_xforms[i]);
        }

        return ret;
}

static int
test_compressdev_deflate_stateless_sgl(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i;
        int ret;
        const struct rte_compressdev_capabilities *capab;

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        struct interim_data_params int_data = {
                NULL,
                1,
                NULL,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = SGL_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_ENABLED
        };

        for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
                int_data.test_bufs = &compress_test_bufs[i];
                int_data.buf_idx = &i;

                /* Compress with compressdev, decompress with Zlib */
                test_data.zlib_dir = ZLIB_DECOMPRESS;
                ret = test_deflate_comp_decomp(&int_data, &test_data);
                if (ret < 0)
                        return ret;

                /* Compress with Zlib, decompress with compressdev */
                test_data.zlib_dir = ZLIB_COMPRESS;
                ret = test_deflate_comp_decomp(&int_data, &test_data);
                if (ret < 0)
                        return ret;

                if (capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_LB_OUT) {
                        /* Compress with compressdev, decompress with Zlib */
                        test_data.zlib_dir = ZLIB_DECOMPRESS;
                        test_data.buff_type = SGL_TO_LB;
                        ret = test_deflate_comp_decomp(&int_data, &test_data);
                        if (ret < 0)
                                return ret;

                        /* Compress with Zlib, decompress with compressdev */
                        test_data.zlib_dir = ZLIB_COMPRESS;
                        test_data.buff_type = SGL_TO_LB;
                        ret = test_deflate_comp_decomp(&int_data, &test_data);
                        if (ret < 0)
                                return ret;
                }

                if (capab->comp_feature_flags & RTE_COMP_FF_OOP_LB_IN_SGL_OUT) {
                        /* Compress with compressdev, decompress with Zlib */
                        test_data.zlib_dir = ZLIB_DECOMPRESS;
                        test_data.buff_type = LB_TO_SGL;
                        ret = test_deflate_comp_decomp(&int_data, &test_data);
                        if (ret < 0)
                                return ret;

                        /* Compress with Zlib, decompress with compressdev */
                        test_data.zlib_dir = ZLIB_COMPRESS;
                        test_data.buff_type = LB_TO_SGL;
                        ret = test_deflate_comp_decomp(&int_data, &test_data);
                        if (ret < 0)
                                return ret;
                }
        }

        return TEST_SUCCESS;
}

static int
test_compressdev_deflate_stateless_checksum(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i;
        int ret;
        const struct rte_compressdev_capabilities *capab;

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        /* Check if driver supports any checksum */
        if ((capab->comp_feature_flags & RTE_COMP_FF_CRC32_CHECKSUM) == 0 &&
                        (capab->comp_feature_flags &
                        RTE_COMP_FF_ADLER32_CHECKSUM) == 0 &&
                        (capab->comp_feature_flags &
                        RTE_COMP_FF_CRC32_ADLER32_CHECKSUM) == 0)
                return -ENOTSUP;

        struct rte_comp_xform *compress_xform =
                        rte_malloc(NULL, sizeof(struct rte_comp_xform), 0);
        if (compress_xform == NULL) {
                RTE_LOG(ERR, USER1, "Compress xform could not be created\n");
                return TEST_FAILED;
        }

        memcpy(compress_xform, ts_params->def_comp_xform,
                        sizeof(struct rte_comp_xform));

        struct rte_comp_xform *decompress_xform =
                        rte_malloc(NULL, sizeof(struct rte_comp_xform), 0);
        if (decompress_xform == NULL) {
                RTE_LOG(ERR, USER1, "Decompress xform could not be created\n");
                rte_free(compress_xform);
                return TEST_FAILED;
        }

        memcpy(decompress_xform, ts_params->def_decomp_xform,
                        sizeof(struct rte_comp_xform));

        struct interim_data_params int_data = {
                NULL,
                1,
                NULL,
                &compress_xform,
                &decompress_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_ENABLED
        };

        /* Check if driver supports crc32 checksum and test */
        if ((capab->comp_feature_flags & RTE_COMP_FF_CRC32_CHECKSUM)) {
                compress_xform->compress.chksum = RTE_COMP_CHECKSUM_CRC32;
                decompress_xform->decompress.chksum = RTE_COMP_CHECKSUM_CRC32;

                for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
                        /* Compress with compressdev, decompress with Zlib */
                        int_data.test_bufs = &compress_test_bufs[i];
                        int_data.buf_idx = &i;

                        /* Generate zlib checksum and test against selected
                         * drivers decompression checksum
                         */
                        test_data.zlib_dir = ZLIB_COMPRESS;
                        ret = test_deflate_comp_decomp(&int_data, &test_data);
                        if (ret < 0)
                                goto exit;

                        /* Generate compression and decompression
                         * checksum of selected driver
                         */
                        test_data.zlib_dir = ZLIB_NONE;
                        ret = test_deflate_comp_decomp(&int_data, &test_data);
                        if (ret < 0)
                                goto exit;
                }
        }

        /* Check if driver supports adler32 checksum and test */
        if ((capab->comp_feature_flags & RTE_COMP_FF_ADLER32_CHECKSUM)) {
                compress_xform->compress.chksum = RTE_COMP_CHECKSUM_ADLER32;
                decompress_xform->decompress.chksum = RTE_COMP_CHECKSUM_ADLER32;

                for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
                        int_data.test_bufs = &compress_test_bufs[i];
                        int_data.buf_idx = &i;

                        /* Generate zlib checksum and test against selected
                         * drivers decompression checksum
                         */
                        test_data.zlib_dir = ZLIB_COMPRESS;
                        ret = test_deflate_comp_decomp(&int_data, &test_data);
                        if (ret < 0)
                                goto exit;
                        /* Generate compression and decompression
                         * checksum of selected driver
                         */
                        test_data.zlib_dir = ZLIB_NONE;
                        ret = test_deflate_comp_decomp(&int_data, &test_data);
                        if (ret < 0)
                                goto exit;
                }
        }

        /* Check if driver supports combined crc and adler checksum and test */
        if ((capab->comp_feature_flags & RTE_COMP_FF_CRC32_ADLER32_CHECKSUM)) {
                compress_xform->compress.chksum =
                                RTE_COMP_CHECKSUM_CRC32_ADLER32;
                decompress_xform->decompress.chksum =
                                RTE_COMP_CHECKSUM_CRC32_ADLER32;

                for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
                        int_data.test_bufs = &compress_test_bufs[i];
                        int_data.buf_idx = &i;

                        /* Generate compression and decompression
                         * checksum of selected driver
                         */
                        test_data.zlib_dir = ZLIB_NONE;
                        ret = test_deflate_comp_decomp(&int_data, &test_data);
                        if (ret < 0)
                                goto exit;
                }
        }

        ret = TEST_SUCCESS;

exit:
        rte_free(compress_xform);
        rte_free(decompress_xform);
        return ret;
}

static int
test_compressdev_out_of_space_buffer(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        int ret;
        uint16_t i;
        const struct rte_compressdev_capabilities *capab;

        RTE_LOG(INFO, USER1, "This is a negative test, errors are expected\n");

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_FIXED) == 0)
                return -ENOTSUP;

        struct interim_data_params int_data = {
                &compress_test_bufs[0],
                1,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 1,  /* run out-of-space test */
                .big_data = 0,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_ENABLED
        };
        /* Compress with compressdev, decompress with Zlib */
        test_data.zlib_dir = ZLIB_DECOMPRESS;
        ret = test_deflate_comp_decomp(&int_data, &test_data);
        if (ret < 0)
                goto exit;

        /* Compress with Zlib, decompress with compressdev */
        test_data.zlib_dir = ZLIB_COMPRESS;
        ret = test_deflate_comp_decomp(&int_data, &test_data);
        if (ret < 0)
                goto exit;

        if (capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) {
                /* Compress with compressdev, decompress with Zlib */
                test_data.zlib_dir = ZLIB_DECOMPRESS;
                test_data.buff_type = SGL_BOTH;
                ret = test_deflate_comp_decomp(&int_data, &test_data);
                if (ret < 0)
                        goto exit;

                /* Compress with Zlib, decompress with compressdev */
                test_data.zlib_dir = ZLIB_COMPRESS;
                test_data.buff_type = SGL_BOTH;
                ret = test_deflate_comp_decomp(&int_data, &test_data);
                if (ret < 0)
                        goto exit;
        }

        ret  = TEST_SUCCESS;

exit:
        return ret;
}

static int
test_compressdev_deflate_stateless_dynamic_big(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret;
        unsigned int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, BIG_DATA_TEST_SIZE, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for big-data\n");
                return TEST_FAILED;
        }

        struct interim_data_params int_data = {
                (const char * const *)&test_buffer,
                1,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = SGL_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                                                RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(BIG_DATA_TEST_SIZE);
        for (j = 0; j < BIG_DATA_TEST_SIZE - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;
        test_buffer[BIG_DATA_TEST_SIZE - 1] = 0;

        /* Compress with compressdev, decompress with Zlib */
        test_data.zlib_dir = ZLIB_DECOMPRESS;
        ret = test_deflate_comp_decomp(&int_data, &test_data);
        if (ret < 0)
                goto exit;

        /* Compress with Zlib, decompress with compressdev */
        test_data.zlib_dir = ZLIB_COMPRESS;
        ret = test_deflate_comp_decomp(&int_data, &test_data);
        if (ret < 0)
                goto exit;

        ret = TEST_SUCCESS;

exit:
        ts_params->def_comp_xform->compress.deflate.huffman =
                                                RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}

static int
test_compressdev_deflate_stateful_decomp(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        int ret;
        uint16_t i;
        const struct rte_compressdev_capabilities *capab;

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if (!(capab->comp_feature_flags & RTE_COMP_FF_STATEFUL_DECOMPRESSION))
                return -ENOTSUP;

        struct interim_data_params int_data = {
                &compress_test_bufs[0],
                1,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATEFUL,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_COMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .decompress_output_block_size = 2000,
                .decompress_steps_max = 4,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_ENABLED
        };

        /* Compress with Zlib, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto exit;
        }

        if (capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) {
                /* Now test with SGL buffers */
                test_data.buff_type = SGL_BOTH;
                if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                        ret = TEST_FAILED;
                        goto exit;
                }
        }

        ret  = TEST_SUCCESS;

exit:
        return ret;
}

static int
test_compressdev_deflate_stateful_decomp_checksum(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        int ret;
        uint16_t i;
        const struct rte_compressdev_capabilities *capab;

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if (!(capab->comp_feature_flags & RTE_COMP_FF_STATEFUL_DECOMPRESSION))
                return -ENOTSUP;

        /* Check if driver supports any checksum */
        if (!(capab->comp_feature_flags &
             (RTE_COMP_FF_CRC32_CHECKSUM | RTE_COMP_FF_ADLER32_CHECKSUM |
              RTE_COMP_FF_CRC32_ADLER32_CHECKSUM)))
                return -ENOTSUP;

        struct rte_comp_xform *compress_xform =
                        rte_malloc(NULL, sizeof(struct rte_comp_xform), 0);
        if (compress_xform == NULL) {
                RTE_LOG(ERR, USER1, "Compress xform could not be created\n");
                return TEST_FAILED;
        }

        memcpy(compress_xform, ts_params->def_comp_xform,
               sizeof(struct rte_comp_xform));

        struct rte_comp_xform *decompress_xform =
                        rte_malloc(NULL, sizeof(struct rte_comp_xform), 0);
        if (decompress_xform == NULL) {
                RTE_LOG(ERR, USER1, "Decompress xform could not be created\n");
                rte_free(compress_xform);
                return TEST_FAILED;
        }

        memcpy(decompress_xform, ts_params->def_decomp_xform,
               sizeof(struct rte_comp_xform));

        struct interim_data_params int_data = {
                &compress_test_bufs[0],
                1,
                &i,
                &compress_xform,
                &decompress_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATEFUL,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_COMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .decompress_output_block_size = 2000,
                .decompress_steps_max = 4,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_ENABLED
        };

        /* Check if driver supports crc32 checksum and test */
        if (capab->comp_feature_flags & RTE_COMP_FF_CRC32_CHECKSUM) {

                compress_xform->compress.chksum = RTE_COMP_CHECKSUM_CRC32;
                decompress_xform->decompress.chksum = RTE_COMP_CHECKSUM_CRC32;
                /* Compress with Zlib, decompress with compressdev */
                test_data.buff_type = LB_BOTH;
                if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                        ret = TEST_FAILED;
                        goto exit;
                }
                if (capab->comp_feature_flags &
                                RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) {
                        /* Now test with SGL buffers */
                        test_data.buff_type = SGL_BOTH;
                        if (test_deflate_comp_decomp(&int_data,
                                                     &test_data) < 0) {
                                ret = TEST_FAILED;
                                goto exit;
                        }
                }
        }

        /* Check if driver supports adler32 checksum and test */
        if (capab->comp_feature_flags & RTE_COMP_FF_ADLER32_CHECKSUM) {
                compress_xform->compress.chksum = RTE_COMP_CHECKSUM_ADLER32;
                decompress_xform->decompress.chksum = RTE_COMP_CHECKSUM_ADLER32;
                /* Compress with Zlib, decompress with compressdev */
                test_data.buff_type = LB_BOTH;
                if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                        ret = TEST_FAILED;
                        goto exit;
                }
                if (capab->comp_feature_flags &
                                RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) {
                        /* Now test with SGL buffers */
                        test_data.buff_type = SGL_BOTH;
                        if (test_deflate_comp_decomp(&int_data,
                                                     &test_data) < 0) {
                                ret = TEST_FAILED;
                                goto exit;
                        }
                }
        }

        /* Check if driver supports combined crc and adler checksum and test */
        if (capab->comp_feature_flags & RTE_COMP_FF_CRC32_ADLER32_CHECKSUM) {
                compress_xform->compress.chksum =
                                RTE_COMP_CHECKSUM_CRC32_ADLER32;
                decompress_xform->decompress.chksum =
                                RTE_COMP_CHECKSUM_CRC32_ADLER32;
                /* Zlib doesn't support combined checksum */
                test_data.zlib_dir = ZLIB_NONE;
                /* Compress stateless, decompress stateful with compressdev */
                test_data.buff_type = LB_BOTH;
                if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                        ret = TEST_FAILED;
                        goto exit;
                }
                if (capab->comp_feature_flags &
                                RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) {
                        /* Now test with SGL buffers */
                        test_data.buff_type = SGL_BOTH;
                        if (test_deflate_comp_decomp(&int_data,
                                                     &test_data) < 0) {
                                ret = TEST_FAILED;
                                goto exit;
                        }
                }
        }

        ret  = TEST_SUCCESS;

exit:
        rte_free(compress_xform);
        rte_free(decompress_xform);
        return ret;
}

static const struct rte_memzone *
make_memzone(const char *name, size_t size)
{
        unsigned int socket_id = rte_socket_id();
        char mz_name[RTE_MEMZONE_NAMESIZE];
        const struct rte_memzone *memzone;

        snprintf(mz_name, RTE_MEMZONE_NAMESIZE, "%s_%u", name, socket_id);
        memzone = rte_memzone_lookup(mz_name);
        if (memzone != NULL && memzone->len != size) {
                rte_memzone_free(memzone);
                memzone = NULL;
        }
        if (memzone == NULL) {
                memzone = rte_memzone_reserve_aligned(mz_name, size, socket_id,
                                RTE_MEMZONE_IOVA_CONTIG, RTE_CACHE_LINE_SIZE);
                if (memzone == NULL)
                        RTE_LOG(ERR, USER1, "Can't allocate memory zone %s",
                                mz_name);
        }
        return memzone;
}

static int
test_compressdev_external_mbufs(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        size_t data_len = 0;
        uint16_t i;
        int ret = TEST_FAILED;

        for (i = 0; i < RTE_DIM(compress_test_bufs); i++)
                data_len = RTE_MAX(data_len, strlen(compress_test_bufs[i]) + 1);

        struct interim_data_params int_data = {
                NULL,
                1,
                NULL,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .use_external_mbufs = 1,
                .inbuf_data_size = data_len,
                .inbuf_memzone = make_memzone("inbuf", data_len),
                .compbuf_memzone = make_memzone("compbuf", data_len *
                                                COMPRESS_BUF_SIZE_RATIO),
                .uncompbuf_memzone = make_memzone("decompbuf", data_len),
                .overflow = OVERFLOW_DISABLED
        };

        for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
                /* prepare input data */
                data_len = strlen(compress_test_bufs[i]) + 1;
                rte_memcpy(test_data.inbuf_memzone->addr, compress_test_bufs[i],
                           data_len);
                test_data.inbuf_data_size = data_len;
                int_data.buf_idx = &i;

                /* Compress with compressdev, decompress with Zlib */
                test_data.zlib_dir = ZLIB_DECOMPRESS;
                if (test_deflate_comp_decomp(&int_data, &test_data) < 0)
                        goto exit;

                /* Compress with Zlib, decompress with compressdev */
                test_data.zlib_dir = ZLIB_COMPRESS;
                if (test_deflate_comp_decomp(&int_data, &test_data) < 0)
                        goto exit;
        }

        ret = TEST_SUCCESS;

exit:
        rte_memzone_free(test_data.inbuf_memzone);
        rte_memzone_free(test_data.compbuf_memzone);
        rte_memzone_free(test_data.uncompbuf_memzone);
        return ret;
}

static int
test_compressdev_deflate_stateless_fixed_oos_recoverable(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i;
        int ret;
        int comp_result;
        const struct rte_compressdev_capabilities *capab;

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_FIXED) == 0)
                return -ENOTSUP;

        struct rte_comp_xform *compress_xform =
                        rte_malloc(NULL, sizeof(struct rte_comp_xform), 0);

        if (compress_xform == NULL) {
                RTE_LOG(ERR, USER1,
                        "Compress xform could not be created\n");
                ret = TEST_FAILED;
                goto exit;
        }

        memcpy(compress_xform, ts_params->def_comp_xform,
                        sizeof(struct rte_comp_xform));
        compress_xform->compress.deflate.huffman = RTE_COMP_HUFFMAN_FIXED;

        struct interim_data_params int_data = {
                NULL,
                1,
                NULL,
                &compress_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_DECOMPRESS,
                .out_of_space = 0,
                .big_data = 0,
                .overflow = OVERFLOW_ENABLED,
                .ratio = RATIO_ENABLED
        };

        for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
                int_data.test_bufs = &compress_test_bufs[i];
                int_data.buf_idx = &i;

                /* Compress with compressdev, decompress with Zlib */
                test_data.zlib_dir = ZLIB_DECOMPRESS;
                comp_result = test_deflate_comp_decomp(&int_data, &test_data);
                if (comp_result < 0) {
                        ret = TEST_FAILED;
                        goto exit;
                } else if (comp_result > 0) {
                        ret = -ENOTSUP;
                        goto exit;
                }

                /* Compress with Zlib, decompress with compressdev */
                test_data.zlib_dir = ZLIB_COMPRESS;
                comp_result = test_deflate_comp_decomp(&int_data, &test_data);
                if (comp_result < 0) {
                        ret = TEST_FAILED;
                        goto exit;
                } else if (comp_result > 0) {
                        ret = -ENOTSUP;
                        goto exit;
                }
        }

        ret = TEST_SUCCESS;

exit:
        rte_free(compress_xform);
        return ret;
}

static int
test_compressdev_deflate_im_buffers_LB_1op(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_LB, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for 'im buffer' test\n");
                return TEST_FAILED;
        }

        struct interim_data_params int_data = {
                (const char * const *)&test_buffer,
                1,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                                /* must be LB to SGL,
                                 * input LB buffer reaches its maximum,
                                 * if ratio 1.3 than another mbuf must be
                                 * created and attached
                                 */
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_NONE,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(IM_BUF_DATA_TEST_SIZE_LB);
        for (j = 0; j < IM_BUF_DATA_TEST_SIZE_LB - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;

        /* Compress with compressdev, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto end;
        }

end:
        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}

static int
test_compressdev_deflate_im_buffers_LB_2ops_first(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;
        const char *test_buffers[2];

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_LB, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for 'im buffer' test\n");
                return TEST_FAILED;
        }

        test_buffers[0] = test_buffer;
        test_buffers[1] = compress_test_bufs[0];

        struct interim_data_params int_data = {
                (const char * const *)test_buffers,
                2,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_NONE,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(IM_BUF_DATA_TEST_SIZE_LB);
        for (j = 0; j < IM_BUF_DATA_TEST_SIZE_LB - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;

        /* Compress with compressdev, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto end;
        }

end:
        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}

static int
test_compressdev_deflate_im_buffers_LB_2ops_second(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;
        const char *test_buffers[2];

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_LB, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for 'im buffer' test\n");
                return TEST_FAILED;
        }

        test_buffers[0] = compress_test_bufs[0];
        test_buffers[1] = test_buffer;

        struct interim_data_params int_data = {
                (const char * const *)test_buffers,
                2,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_NONE,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(IM_BUF_DATA_TEST_SIZE_LB);
        for (j = 0; j < IM_BUF_DATA_TEST_SIZE_LB - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;

        /* Compress with compressdev, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto end;
        }

end:
        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}

static int
test_compressdev_deflate_im_buffers_LB_3ops(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;
        const char *test_buffers[3];

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_LB, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for 'im buffer' test\n");
                return TEST_FAILED;
        }

        test_buffers[0] = compress_test_bufs[0];
        test_buffers[1] = test_buffer;
        test_buffers[2] = compress_test_bufs[1];

        struct interim_data_params int_data = {
                (const char * const *)test_buffers,
                3,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_NONE,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(IM_BUF_DATA_TEST_SIZE_LB);
        for (j = 0; j < IM_BUF_DATA_TEST_SIZE_LB - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;

        /* Compress with compressdev, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto end;
        }

end:
        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}

static int
test_compressdev_deflate_im_buffers_LB_4ops(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;
        const char *test_buffers[4];

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_LB, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for 'im buffer' test\n");
                return TEST_FAILED;
        }

        test_buffers[0] = compress_test_bufs[0];
        test_buffers[1] = test_buffer;
        test_buffers[2] = compress_test_bufs[1];
        test_buffers[3] = test_buffer;

        struct interim_data_params int_data = {
                (const char * const *)test_buffers,
                4,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = LB_BOTH,
                .zlib_dir = ZLIB_NONE,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(IM_BUF_DATA_TEST_SIZE_LB);
        for (j = 0; j < IM_BUF_DATA_TEST_SIZE_LB - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;

        /* Compress with compressdev, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto end;
        }

end:
        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}


static int
test_compressdev_deflate_im_buffers_SGL_1op(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_SGL, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for big-data\n");
                return TEST_FAILED;
        }

        struct interim_data_params int_data = {
                (const char * const *)&test_buffer,
                1,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = SGL_BOTH,
                .zlib_dir = ZLIB_NONE,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(IM_BUF_DATA_TEST_SIZE_SGL);
        for (j = 0; j < IM_BUF_DATA_TEST_SIZE_SGL - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;

        /* Compress with compressdev, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto end;
        }

end:
        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}

static int
test_compressdev_deflate_im_buffers_SGL_2ops_first(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;
        const char *test_buffers[2];

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_SGL, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for big-data\n");
                return TEST_FAILED;
        }

        test_buffers[0] = test_buffer;
        test_buffers[1] = compress_test_bufs[0];

        struct interim_data_params int_data = {
                (const char * const *)test_buffers,
                2,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = SGL_BOTH,
                .zlib_dir = ZLIB_NONE,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(IM_BUF_DATA_TEST_SIZE_SGL);
        for (j = 0; j < IM_BUF_DATA_TEST_SIZE_SGL - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;

        /* Compress with compressdev, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto end;
        }

end:
        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}

static int
test_compressdev_deflate_im_buffers_SGL_2ops_second(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;
        const char *test_buffers[2];

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_SGL, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for big-data\n");
                return TEST_FAILED;
        }

        test_buffers[0] = compress_test_bufs[0];
        test_buffers[1] = test_buffer;

        struct interim_data_params int_data = {
                (const char * const *)test_buffers,
                2,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = SGL_BOTH,
                .zlib_dir = ZLIB_NONE,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(IM_BUF_DATA_TEST_SIZE_SGL);
        for (j = 0; j < IM_BUF_DATA_TEST_SIZE_SGL - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;

        /* Compress with compressdev, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto end;
        }

end:
        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}

static int
test_compressdev_deflate_im_buffers_SGL_3ops(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;
        const char *test_buffers[3];

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_SGL, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for big-data\n");
                return TEST_FAILED;
        }

        test_buffers[0] = compress_test_bufs[0];
        test_buffers[1] = test_buffer;
        test_buffers[2] = compress_test_bufs[1];

        struct interim_data_params int_data = {
                (const char * const *)test_buffers,
                3,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = SGL_BOTH,
                .zlib_dir = ZLIB_NONE,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(IM_BUF_DATA_TEST_SIZE_SGL);
        for (j = 0; j < IM_BUF_DATA_TEST_SIZE_SGL - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;

        /* Compress with compressdev, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto end;
        }

end:
        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}


static int
test_compressdev_deflate_im_buffers_SGL_4ops(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;
        const char *test_buffers[4];

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_SGL, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for big-data\n");
                return TEST_FAILED;
        }

        test_buffers[0] = compress_test_bufs[0];
        test_buffers[1] = test_buffer;
        test_buffers[2] = compress_test_bufs[1];
        test_buffers[3] = test_buffer;

        struct interim_data_params int_data = {
                (const char * const *)test_buffers,
                4,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,
                .decompress_state = RTE_COMP_OP_STATELESS,
                .buff_type = SGL_BOTH,
                .zlib_dir = ZLIB_NONE,
                .out_of_space = 0,
                .big_data = 1,
                .overflow = OVERFLOW_DISABLED,
                .ratio = RATIO_DISABLED
        };

        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DYNAMIC;

        /* fill the buffer with data based on rand. data */
        srand(IM_BUF_DATA_TEST_SIZE_SGL);
        for (j = 0; j < IM_BUF_DATA_TEST_SIZE_SGL - 1; ++j)
                test_buffer[j] = (uint8_t)(rand() % ((uint8_t)-1)) | 1;

        /* Compress with compressdev, decompress with compressdev */
        if (test_deflate_comp_decomp(&int_data, &test_data) < 0) {
                ret = TEST_FAILED;
                goto end;
        }

end:
        ts_params->def_comp_xform->compress.deflate.huffman =
                        RTE_COMP_HUFFMAN_DEFAULT;
        rte_free(test_buffer);
        return ret;
}

static int
test_compressdev_deflate_im_buffers_SGL_over_1op(void)
{
        struct comp_testsuite_params *ts_params = &testsuite_params;
        uint16_t i = 0;
        int ret = TEST_SUCCESS;
        int j;
        const struct rte_compressdev_capabilities *capab;
        char *test_buffer = NULL;

        RTE_LOG(INFO, USER1, "This is a negative test, errors are expected\n");

        capab = rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
        TEST_ASSERT(capab != NULL, "Failed to retrieve device capabilities");

        if ((capab->comp_feature_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0)
                return -ENOTSUP;

        if ((capab->comp_feature_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0)
                return -ENOTSUP;

        test_buffer = rte_malloc(NULL, IM_BUF_DATA_TEST_SIZE_OVER, 0);
        if (test_buffer == NULL) {
                RTE_LOG(ERR, USER1,
                        "Can't allocate buffer for big-data\n");
                return TEST_FAILED;
        }

        struct interim_data_params int_data = {
                (const char * const *)&test_buffer,
                1,
                &i,
                &ts_params->def_comp_xform,
                &ts_params->def_decomp_xform,
                1
        };

        struct test_data_params test_data = {
                .compress_state = RTE_COMP_OP_STATELESS,