[PATCH 2/2] compressdev: add huffman encoding flags
From: Pablo de Lara <hidden>
Date: 2018-06-27 13:56:13
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
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 <redacted> --- drivers/compress/isal/isal_compress_pmd_ops.c | 4 +++- lib/librte_compressdev/rte_comp.c | 4 ++++ lib/librte_compressdev/rte_comp.h | 4 ++++ 3 files changed, 11 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 ea7692ae7..9711a86c8 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 3ce6a80e1..c6a542c0c 100644
--- a/lib/librte_compressdev/rte_comp.h
+++ b/lib/librte_compressdev/rte_comp.h@@ -62,6 +62,10 @@ 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 enconding is supported */ +#define RTE_COMP_FF_HUFFMAN_DYNAMIC (1ULL << 14) +/**< Dynamic huffman enconding is supported */ /** Status of comp operation */ enum rte_comp_op_status {
--
2.14.4