@@ -312,11 +312,16 @@ compress_zlib(struct rte_comp_op *op,
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 += 46;
comp_level = xform->compress.level;
@@ -369,6 +374,11 @@ compress_zlib(struct rte_comp_op *op,
zlib_flush = map_zlib_flush_flag(op->flush_flag);
ret = deflate(&stream, zlib_flush);
+ if (xform->compress.chksum == RTE_COMP_CHECKSUM_ADLER32)
+ op->m_dst->buf_addr += 2;
+ else if (xform->compress.chksum == RTE_COMP_CHECKSUM_CRC32)
+ op->m_dst->buf_addr += 10;
+
if (stream.avail_in != 0) {
RTE_LOG(ERR, USER1, "Buffer could not be read entirely\n");
goto exit;
@@ -400,8 +410,14 @@ compress_zlib(struct rte_comp_op *op,
}
op->consumed = stream.total_in;
- op->produced = stream.total_out;
+ if (xform->compress.chksum == RTE_COMP_CHECKSUM_ADLER32)
+ op->produced = stream.total_out - 6;
+ else if (xform->compress.chksum == RTE_COMP_CHECKSUM_CRC32)
+ op->produced = stream.total_out - 18;
+ else
+ op->produced = stream.total_out;
op->status = RTE_COMP_OP_STATUS_SUCCESS;
+ op->output_chksum = stream.adler;
deflateReset(&stream);
@@ -435,7 +451,6 @@ decompress_zlib(struct rte_comp_op *op,
* When doing raw DEFLATE, this number will be negative.
*/
window_bits = -(xform->decompress.window_size);
-
ret = inflateInit2(&stream, window_bits);
if (ret != Z_OK) {
@@ -651,6 +666,7 @@ test_deflate_comp_decomp(const char * const test_bufs[],
const struct rte_compressdev_capabilities *capa =
rte_compressdev_capability_get(0, RTE_COMP_ALGO_DEFLATE);
char *contig_buf = NULL;
+ uint64_t compress_checksum[num_bufs];
/* Initialize all arrays to NULL */
memset(uncomp_bufs, 0, sizeof(struct rte_mbuf *) * num_bufs);
@@ -837,6 +853,7 @@ test_deflate_comp_decomp(const char * const test_bufs[],
&ops_processed[num_total_deqd], num_bufs);
num_total_deqd += num_deqd;
deqd_retries++;
+
} while (num_total_deqd < num_enqd);
deqd_retries = 0;
@@ -865,6 +882,8 @@ test_deflate_comp_decomp(const char * const test_bufs[],
RTE_LOG(DEBUG, USER1, "Compression ratio = %.2f",
(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;
}
@@ -1094,9 +1113,18 @@ test_deflate_comp_decomp(const char * const test_bufs[],
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");
+ goto exit;
+ }
+ }
+
buf2 = rte_pktmbuf_read(ops_processed[i]->m_dst, 0,
ops_processed[i]->produced, contig_buf);
-
if (compare_buffers(buf1, strlen(buf1) + 1,
buf2, ops_processed[i]->produced) < 0)
goto exit;
@@ -1452,6 +1480,175 @@ test_compressdev_deflate_stateless_sgl(void)
}
return TEST_SUCCESS;
+
+}
+
+static int
+test_compressdev_deflate_stateless_checksum(void)
+{
+ struct comp_testsuite_params *ts_params = &testsuite_params;
+ const char *test_buffer;
+ 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");
+ ret = TEST_FAILED;
+ goto exit;
+ }
+
+ 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");
+ ret = TEST_FAILED;
+ goto exit;
+ }
+
+ memcpy(decompress_xform, ts_params->def_decomp_xform,
+ sizeof(struct rte_comp_xform));
+
+ /* 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++) {
+ test_buffer = compress_test_bufs[i];
+
+ /* Generate zlib checksum and test against selected
+ * drivers decompression checksum
+ */
+ if (test_deflate_comp_decomp(&test_buffer, 1,
+ &i,
+ &compress_xform,
+ &decompress_xform,
+ 1,
+ RTE_COMP_OP_STATELESS,
+ 0,
+ ZLIB_COMPRESS) < 0) {
+ ret = TEST_FAILED;
+ goto exit;
+ }
+
+ /* Generate compression and decompression
+ * checksum of selected driver
+ */
+ if (test_deflate_comp_decomp(&test_buffer, 1,
+ &i,
+ &compress_xform,
+ &decompress_xform,
+ 1,
+ RTE_COMP_OP_STATELESS,
+ 0,
+ ZLIB_NONE) < 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;
+
+ for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
+ test_buffer = compress_test_bufs[i];
+
+ /* Generate zlib checksum and test against selected
+ * drivers decompression checksum
+ */
+ if (test_deflate_comp_decomp(&test_buffer, 1,
+ &i,
+ &compress_xform,
+ &decompress_xform,
+ 1,
+ RTE_COMP_OP_STATELESS,
+ 0,
+ ZLIB_COMPRESS) < 0) {
+ ret = TEST_FAILED;
+ goto exit;
+ }
+ /* Generate compression and decompression
+ * checksum of selected driver
+ */
+ if (test_deflate_comp_decomp(&test_buffer, 1,
+ &i,
+ &compress_xform,
+ &decompress_xform,
+ 1,
+ RTE_COMP_OP_STATELESS,
+ 0,
+ ZLIB_NONE) < 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;
+
+ for (i = 0; i < RTE_DIM(compress_test_bufs); i++) {
+ test_buffer = compress_test_bufs[i];
+
+ /* Generate zlib checksum and test against selected
+ * drivers decompression checksum
+ */
+ if (test_deflate_comp_decomp(&test_buffer, 1,
+ &i,
+ &compress_xform,
+ &decompress_xform,
+ 1,
+ RTE_COMP_OP_STATELESS,
+ 0,
+ ZLIB_COMPRESS) < 0) {
+ ret = TEST_FAILED;
+ goto exit;
+ }
+ /* Generate compression and decompression
+ * checksum of selected driver
+ */
+ if (test_deflate_comp_decomp(&test_buffer, 1,
+ &i,
+ &compress_xform,
+ &decompress_xform,
+ 1,
+ RTE_COMP_OP_STATELESS,
+ 0,
+ ZLIB_NONE) < 0) {
+ ret = TEST_FAILED;
+ goto exit;
+ }
+ }
+ }
+
+ ret = TEST_SUCCESS;
+
+exit:
+ rte_free(compress_xform);
+ rte_free(decompress_xform);
+ return ret;
}
static struct unit_test_suite compressdev_testsuite = {
@@ -1473,6 +1670,8 @@ static struct unit_test_suite compressdev_testsuite = {
test_compressdev_deflate_stateless_multi_xform),
TEST_CASE_ST(generic_ut_setup, generic_ut_teardown,
test_compressdev_deflate_stateless_sgl),
+ TEST_CASE_ST(generic_ut_setup, generic_ut_teardown,
+ test_compressdev_deflate_stateless_checksum),
TEST_CASES_END() /**< NULL terminate unit test array */
}
};