[PATCH v2 3/5] bbdev: add new capability for FEC 5G UL processing

[Nicolas Chautru <nicolas.chautru@intel.com>]

Extending existing LDPC UL operation for new capability.
Option to compress HARQ memory to 4 bits per LLR.

Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
---
 doc/guides/prog_guide/bbdev.rst | 6 ++++++
 lib/bbdev/rte_bbdev_op.h        | 4 +++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/doc/guides/prog_guide/bbdev.rst b/doc/guides/prog_guide/bbdev.rst
index 95b33562fe..c43e478eda 100644
--- a/doc/guides/prog_guide/bbdev.rst
+++ b/doc/guides/prog_guide/bbdev.rst
@@ -903,6 +903,12 @@ given below.
 |RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK                        |
 | Set if a device supports loopback access to HARQ internal memory   |
 +--------------------------------------------------------------------+
+|RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_FILLERS                         |
+| Set if a device includes LLR filler bits in HARQ circular buffer   |
++--------------------------------------------------------------------+
+|RTE_BBDEV_LDPC_HARQ_4BIT_COMPRESSION                                |
+|Set if a device supports input/output 4 bits HARQ compression       |
++--------------------------------------------------------------------+
 
 The structure passed for each LDPC decode operation is given below,
 with the operation flags forming a bitmask in the ``op_flags`` field.
diff --git a/lib/bbdev/rte_bbdev_op.h b/lib/bbdev/rte_bbdev_op.h
index 682e265327..a4a2ae1440 100644
--- a/lib/bbdev/rte_bbdev_op.h
+++ b/lib/bbdev/rte_bbdev_op.h
@@ -203,7 +203,9 @@ enum rte_bbdev_op_ldpcdec_flag_bitmasks {
 	 *  for HARQ memory. If not set, it is assumed the filler bits are not
 	 *  in HARQ memory and handled directly by the LDPC decoder.
 	 */
-	RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_FILLERS = (1ULL << 19)
+	RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_FILLERS = (1ULL << 19),
+	/** Set if a device supports input/output HARQ 4bits compression. */
+	RTE_BBDEV_LDPC_HARQ_4BIT_COMPRESSION = (1ULL << 20)
 };
 
 /** Flags for LDPC encoder operation and capability structure */
-- 
2.34.1