On 6/15/23 18:48, Nicolas Chautru wrote:
Extending existing LDPC UL operation for new capability.
Option to compress HARQ memory to 4 bits per LLR.
Signed-off-by: Nicolas Chautru <nicolas.chau...@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 */
Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>
Maxime
