[dpdk-dev] [PATCH v4 02/10] bbdev: expose device HARQ buffer size at device level

Nicolas Chautru nicolas.chautru at intel.com
Thu Mar 26 03:45:51 CET 2020


From: Nic Chautru <nicolas.chautru at intel.com>

This exposes the HARQ buffer size at the device driver level
instead of using the capability of a specific operation.

This is currently not yet used by a device until
future commit.

Signed-off-by: Nic Chautru <nicolas.chautru at intel.com>
---
 drivers/baseband/turbo_sw/bbdev_turbo_software.c | 2 +-
 lib/librte_bbdev/rte_bbdev.h                     | 2 ++
 lib/librte_bbdev/rte_bbdev_op.h                  | 2 --
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/baseband/turbo_sw/bbdev_turbo_software.c b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
index f2fe7a2..6d5e080 100644
--- a/drivers/baseband/turbo_sw/bbdev_turbo_software.c
+++ b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
@@ -219,7 +219,6 @@ struct turbo_sw_queue {
 					RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE,
 			.llr_size = 8,
 			.llr_decimals = 2,
-			.harq_memory_size = 0,
 			.num_buffers_src =
 					RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
 			.num_buffers_hard_out =
@@ -251,6 +250,7 @@ struct turbo_sw_queue {
 	dev_info->default_queue_conf = default_queue_conf;
 	dev_info->capabilities = bbdev_capabilities;
 	dev_info->min_alignment = 64;
+	dev_info->harq_buffer_size = 0;
 
 	rte_bbdev_log_debug("got device info from %u\n", dev->data->dev_id);
 }
diff --git a/lib/librte_bbdev/rte_bbdev.h b/lib/librte_bbdev/rte_bbdev.h
index b2da190..38d9d50 100644
--- a/lib/librte_bbdev/rte_bbdev.h
+++ b/lib/librte_bbdev/rte_bbdev.h
@@ -307,6 +307,8 @@ struct rte_bbdev_driver_info {
 	bool queue_intr_supported;
 	/** Minimum alignment of buffers, in bytes */
 	uint16_t min_alignment;
+	/** HARQ memory available in kB */
+	uint32_t harq_buffer_size;
 	/** Default queue configuration used if none is supplied  */
 	struct rte_bbdev_queue_conf default_queue_conf;
 	/** Device operation capabilities */
diff --git a/lib/librte_bbdev/rte_bbdev_op.h b/lib/librte_bbdev/rte_bbdev_op.h
index c8a354e..80f3934 100644
--- a/lib/librte_bbdev/rte_bbdev_op.h
+++ b/lib/librte_bbdev/rte_bbdev_op.h
@@ -712,8 +712,6 @@ struct rte_bbdev_op_cap_ldpc_dec {
 	int8_t llr_size;
 	/** LLR numbers of decimals bit for arithmetic representation */
 	int8_t llr_decimals;
-	/** Amount of memory for HARQ in external DDR in MB */
-	uint16_t harq_memory_size;
 	/** Num input code block buffers */
 	uint16_t num_buffers_src;
 	/** Num hard output code block buffers */
-- 
1.8.3.1



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