Adds definitions for PDCP checksums and apis to pass in
dictionaries
Signed-off-by: Sameer Vaze <[email protected]>
---
v3:
* Renamed checksum validation enum
* Added missed comments for window size enum
lib/compressdev/rte_comp.h | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/lib/compressdev/rte_comp.h b/lib/compressdev/rte_comp.h
index 96d9b276dd..c5ff708a4c 100644
--- a/lib/compressdev/rte_comp.h
+++ b/lib/compressdev/rte_comp.h
@@ -101,6 +101,10 @@ enum rte_comp_op_status {
* is not an error case. Output data up to op.produced can be used and
* next op in the stream should continue on from op.consumed+1.
*/
+ RTE_COMP_OP_STATUS_CHECKSUM_VALIDATION_FAILED,
+ /**< Checksum validation failed. Either calculated does checksum not
match
+ * the one provided or there was an error calculating the checksum
+ */
};
/** Compression Algorithms */
@@ -166,6 +170,10 @@ enum rte_comp_checksum_type {
/**< Generates a xxHash-32 checksum, as used by LZ4.
* https://github.com/Cyan4973/xxHash/blob/dev/doc/xxhash_spec.md
*/
+ RTE_COMP_CHECKSUM_3GPP_PDCP_UDC,
+ /**< Generates checksum as defined under Uplink Data Compression
+ * checksum as defined in the 3GPP PDCP specification
+ */
};
/** Compression Huffman Type - used by DEFLATE algorithm */
@@ -201,6 +209,11 @@ enum rte_comp_flush_flag {
*/
};
+#define DEFLATE_MAX_WINDOW_SIZE (1ULL << 15)
+/** Max window size supported by deflate. Used when setting or getting pre
+ * defined dictionaries
+ */
+
/** Compression transform types */
enum rte_comp_xform_type {
RTE_COMP_COMPRESS,
@@ -228,6 +241,18 @@ enum rte_comp_op_type {
struct rte_comp_deflate_params {
enum rte_comp_huffman huffman;
/**< Compression huffman encoding type */
+ uint8_t *dictionary;
+ /**< Pointer to memory containing dictionary to be used for deflate
operations */
+ uint16_t dictionary_len;
+ /**< Length of dictionary to be used */
+};
+
+/** Parameters specific to the inflate algorithm */
+struct rte_comp_inflate_params {
+ uint8_t *dictionary;
+ /**< Pointer to memory containing dictionary to be used for inflate
operations */
+ uint16_t dictionary_len;
+ /**< Length of dictionary to be used */
};
/**
@@ -321,6 +346,8 @@ struct rte_comp_decompress_xform {
* setup of stream or private_xform should fail.
*/
union {
+ struct rte_comp_inflate_params inflate;
+ /**< Parameters specific to the deflate algorithm */
struct rte_comp_lz4_params lz4;
/**< Parameters specific to the LZ4 algorithm */
}; /**< Algorithm specific parameters */
--
2.31.1
