d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

compressdev: add huffman encoding flags

Browse Source 
Added Huffman fixed and dynamic encoding feature flags,
so an application can query if a device supports
these two types, when performing DEFLATE compression.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
Acked-by: Shally Verma <shally.verma@caviumnetworks.com>
This commit is contained in:
Pablo de Lara 2018-07-06 06:28:01 +01:00
parent a6531d58b4
commit 0260571c99
4 changed files with 27 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/compress/isal/isal_compress_pmd_ops.c
View File

@ -12,7 +12,9 @@
static const struct rte_compressdev_capabilities isal_pmd_capabilities[] = {
{
.algo = RTE_COMP_ALGO_DEFLATE,
.comp_feature_flags = RTE_COMP_FF_SHAREABLE_PRIV_XFORM,
.comp_feature_flags = RTE_COMP_FF_SHAREABLE_PRIV_XFORM |
RTE_COMP_FF_HUFFMAN_FIXED |
RTE_COMP_FF_HUFFMAN_DYNAMIC,
.window_size = {
.min = 15,
.max = 15,

4
lib/librte_compressdev/rte_comp.c
View File

@ -36,6 +36,10 @@ rte_comp_get_feature_name(uint64_t flag)
return "SHA2_SHA256_HASH";
case RTE_COMP_FF_SHAREABLE_PRIV_XFORM:
return "SHAREABLE_PRIV_XFORM";
case RTE_COMP_FF_HUFFMAN_FIXED:
return "HUFFMAN_FIXED";
case RTE_COMP_FF_HUFFMAN_DYNAMIC:
return "HUFFMAN_DYNAMIC";
default:
return NULL;
}

4
lib/librte_compressdev/rte_comp.h
View File

@ -63,6 +63,10 @@ extern "C" {
* to create as many priv_xforms as it expects to have stateless
* operations in-flight.
*/
#define RTE_COMP_FF_HUFFMAN_FIXED (1ULL << 13)
/**< Fixed huffman encoding is supported */
#define RTE_COMP_FF_HUFFMAN_DYNAMIC (1ULL << 14)
/**< Dynamic huffman encoding is supported */
/** Status of comp operation */
enum rte_comp_op_status {

16
test/test/test_compressdev.c
View File

@ -846,6 +846,14 @@ test_compressdev_deflate_stateless_fixed(void)
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");
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);
@ -905,6 +913,14 @@ test_compressdev_deflate_stateless_dynamic(void)
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");