From 8f1e11153972f0d66f242a6f0230add2d208ceee Mon Sep 17 00:00:00 2001 From: Fiona Trahe Date: Fri, 27 Apr 2018 14:24:03 +0100 Subject: [PATCH] compressdev: add compression service feature flags Signed-off-by: Fiona Trahe Signed-off-by: Pablo de Lara Signed-off-by: Shally Verma Signed-off-by: Ashish Gupta --- lib/librte_compressdev/rte_comp.c | 31 +++++++++++++ lib/librte_compressdev/rte_comp.h | 46 +++++++++++++++++++ .../rte_compressdev_version.map | 1 + 3 files changed, 78 insertions(+) diff --git a/lib/librte_compressdev/rte_comp.c b/lib/librte_compressdev/rte_comp.c index eb99e99d29..d596ba872b 100644 --- a/lib/librte_compressdev/rte_comp.c +++ b/lib/librte_compressdev/rte_comp.c @@ -6,6 +6,37 @@ #include "rte_compressdev.h" #include "rte_compressdev_internal.h" +const char * __rte_experimental +rte_comp_get_feature_name(uint64_t flag) +{ + switch (flag) { + case RTE_COMP_FF_STATEFUL_COMPRESSION: + return "STATEFUL_COMPRESSION"; + case RTE_COMP_FF_STATEFUL_DECOMPRESSION: + return "STATEFUL_DECOMPRESSION"; + case RTE_COMP_FF_MBUF_SCATTER_GATHER: + return "MBUF_SCATTER_GATHER"; + case RTE_COMP_FF_MULTI_PKT_CHECKSUM: + return "MULTI_PKT_CHECKSUM"; + case RTE_COMP_FF_ADLER32_CHECKSUM: + return "ADLER32_CHECKSUM"; + case RTE_COMP_FF_CRC32_CHECKSUM: + return "CRC32_CHECKSUM"; + case RTE_COMP_FF_CRC32_ADLER32_CHECKSUM: + return "CRC32_ADLER32_CHECKSUM"; + case RTE_COMP_FF_NONCOMPRESSED_BLOCKS: + return "NONCOMPRESSED_BLOCKS"; + case RTE_COMP_FF_SHA1_HASH: + return "SHA1_HASH"; + case RTE_COMP_FF_SHA2_SHA256_HASH: + return "SHA2_SHA256_HASH"; + case RTE_COMP_FF_SHAREABLE_PRIV_XFORM: + return "SHAREABLE_PRIV_XFORM"; + default: + return NULL; + } +} + /** * Reset the fields of an operation to their default values. * diff --git a/lib/librte_compressdev/rte_comp.h b/lib/librte_compressdev/rte_comp.h index 6df1779af6..4c802195f5 100644 --- a/lib/librte_compressdev/rte_comp.h +++ b/lib/librte_compressdev/rte_comp.h @@ -19,6 +19,40 @@ extern "C" { #include #include +/** + * compression service feature flags + * + * @note New features flags should be added to the end of the list + * + * Keep these flags synchronised with rte_comp_get_feature_name() + */ +#define RTE_COMP_FF_STATEFUL_COMPRESSION (1ULL << 0) +/**< Stateful compression is supported */ +#define RTE_COMP_FF_STATEFUL_DECOMPRESSION (1ULL << 1) +/**< Stateful decompression is supported */ +#define RTE_COMP_FF_MBUF_SCATTER_GATHER (1ULL << 2) +/**< Scatter-gather mbufs are supported */ +#define RTE_COMP_FF_ADLER32_CHECKSUM (1ULL << 3) +/**< Adler-32 Checksum is supported */ +#define RTE_COMP_FF_CRC32_CHECKSUM (1ULL << 4) +/**< CRC32 Checksum is supported */ +#define RTE_COMP_FF_CRC32_ADLER32_CHECKSUM (1ULL << 5) +/**< Adler-32/CRC32 Checksum is supported */ +#define RTE_COMP_FF_MULTI_PKT_CHECKSUM (1ULL << 6) +/**< Generation of checksum across multiple stateless packets is supported */ +#define RTE_COMP_FF_SHA1_HASH (1ULL << 7) +/**< SHA1 Hash is supported */ +#define RTE_COMP_FF_SHA2_SHA256_HASH (1ULL << 8) +/**< SHA256 Hash of SHA2 family is supported */ +#define RTE_COMP_FF_NONCOMPRESSED_BLOCKS (1ULL << 9) +/**< Creation of non-compressed blocks using RTE_COMP_LEVEL_NONE is supported */ +#define RTE_COMP_FF_SHAREABLE_PRIV_XFORM (1ULL << 10) +/**< Private xforms created by the PMD can be shared + * across multiple stateless operations. If not set, then app needs + * to create as many priv_xforms as it expects to have stateless + * operations in-flight. + */ + /** Status of comp operation */ enum rte_comp_op_status { RTE_COMP_OP_STATUS_SUCCESS = 0, @@ -405,6 +439,18 @@ rte_comp_op_bulk_alloc(struct rte_mempool *mempool, void __rte_experimental rte_comp_op_free(struct rte_comp_op *op); +/** + * Get the name of a compress service feature flag + * + * @param flag + * The mask describing the flag + * + * @return + * The name of this flag, or NULL if it's not a valid feature flag. + */ +const char * __rte_experimental +rte_comp_get_feature_name(uint64_t flag); + #ifdef __cplusplus } #endif diff --git a/lib/librte_compressdev/rte_compressdev_version.map b/lib/librte_compressdev/rte_compressdev_version.map index f9223bcfe9..5ed3080b43 100644 --- a/lib/librte_compressdev/rte_compressdev_version.map +++ b/lib/librte_compressdev/rte_compressdev_version.map @@ -28,6 +28,7 @@ EXPERIMENTAL { rte_compressdev_stop; rte_compressdev_stream_create; rte_compressdev_stream_free; + rte_comp_get_feature_name; rte_comp_op_alloc; rte_comp_op_bulk_alloc; rte_comp_op_free; -- 2.20.1