[v5,4/4] compressdev: add huffman encoding flags

  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>
---

v5-v3:
- No change

v2:
- Fixed typo

 drivers/compress/isal/isal_compress_pmd_ops.c |  4 +++-
 lib/librte_compressdev/rte_comp.c             |  4 ++++
 lib/librte_compressdev/rte_comp.h             |  4 ++++
 test/test/test_compressdev.c                  | 16 ++++++++++++++++
 4 files changed, 27 insertions(+), 1 deletion(-)
  

>-----Original Message-----
>From: Pablo de Lara [mailto:pablo.de.lara.guarch@intel.com]
>Sent: 06 July 2018 10:58
>To: Verma, Shally <Shally.Verma@cavium.com>; Gupta, Ashish <Ashish.Gupta@cavium.com>; fiona.trahe@intel.com;
>lee.daly@intel.com
>Cc: dev@dpdk.org; Pablo de Lara <pablo.de.lara.guarch@intel.com>
>Subject: [PATCH v5 4/4] compressdev: add huffman encoding flags
>
>External Email
>
>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>

Thanks
Shally

>---
>
>v5-v3:
>- No change
>
>v2:
>- Fixed typo
>
> drivers/compress/isal/isal_compress_pmd_ops.c |  4 +++-
> lib/librte_compressdev/rte_comp.c             |  4 ++++
> lib/librte_compressdev/rte_comp.h             |  4 ++++
> test/test/test_compressdev.c                  | 16 ++++++++++++++++
> 4 files changed, 27 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/compress/isal/isal_compress_pmd_ops.c b/drivers/compress/isal/isal_compress_pmd_ops.c
>index 970a0413b..585f22802 100644
>--- a/drivers/compress/isal/isal_compress_pmd_ops.c
>+++ b/drivers/compress/isal/isal_compress_pmd_ops.c
>@@ -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,
>diff --git a/lib/librte_compressdev/rte_comp.c b/lib/librte_compressdev/rte_comp.c
>index 97ea0d922..98ad0cfd9 100644
>--- a/lib/librte_compressdev/rte_comp.c
>+++ b/lib/librte_compressdev/rte_comp.c
>@@ -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;
>        }
>diff --git a/lib/librte_compressdev/rte_comp.h b/lib/librte_compressdev/rte_comp.h
>index 274b5eadf..1f66945ee 100644
>--- a/lib/librte_compressdev/rte_comp.h
>+++ b/lib/librte_compressdev/rte_comp.h
>@@ -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 {
>diff --git a/test/test/test_compressdev.c b/test/test/test_compressdev.c
>index 640942bac..f960963a4 100644
>--- a/test/test/test_compressdev.c
>+++ b/test/test/test_compressdev.c
>@@ -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");
>--
>2.14.4