[dpdk-stable] patch 'baseband/turbo_sw: fix exposed LLR decimals assumption' has been queued to stable release 19.11.3

[luca.boccassi at gmail.com]

Hi,

FYI, your patch has been queued to stable release 19.11.3

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 05/21/20. So please
shout if anyone has objections.

Also note that after the patch there's a diff of the upstream commit vs the
patch applied to the branch. This will indicate if there was any rebasing
needed to apply to the stable branch. If there were code changes for rebasing
(ie: not only metadata diffs), please double check that the rebase was
correctly done.

Thanks.

Luca Boccassi

---
>From 3b841d16dcb751bc594405740ffb42e18b5a8e23 Mon Sep 17 00:00:00 2001
From: Nicolas Chautru <nicolas.chautru at intel.com>
Date: Wed, 25 Mar 2020 20:27:41 -0700
Subject: [PATCH] baseband/turbo_sw: fix exposed LLR decimals assumption

[ upstream commit e9381a822a0b0eb3ea4566dc21f8073a9a4d1e2f ]

The actual LLR representation was incorrectly assumed to be 2
instead of 4. This would impact wireless performance but is not
critical to be back ported on LTS branches.

Fixes: c769c711757a ("baseband/turbo_sw: extend for 5G")

Signed-off-by: Nicolas Chautru <nicolas.chautru at intel.com>
Acked-by: Dave Burley <dave.burley at accelercomm.com>
Acked-by: Akhil Goyal <akhil.goyal at nxp.com>
---
 drivers/baseband/turbo_sw/bbdev_turbo_software.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/baseband/turbo_sw/bbdev_turbo_software.c b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
index f2fe7a2194..e6d9501240 100644
--- a/drivers/baseband/turbo_sw/bbdev_turbo_software.c
+++ b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
@@ -218,7 +218,7 @@ info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
 					RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE |
 					RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE,
 			.llr_size = 8,
-			.llr_decimals = 2,
+			.llr_decimals = 4,
 			.harq_memory_size = 0,
 			.num_buffers_src =
 					RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
-- 
2.20.1

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2020-05-19 13:56:21.393629288 +0100
+++ 0063-baseband-turbo_sw-fix-exposed-LLR-decimals-assumptio.patch	2020-05-19 13:56:18.295503187 +0100
@@ -1,14 +1,15 @@
-From e9381a822a0b0eb3ea4566dc21f8073a9a4d1e2f Mon Sep 17 00:00:00 2001
+From 3b841d16dcb751bc594405740ffb42e18b5a8e23 Mon Sep 17 00:00:00 2001
 From: Nicolas Chautru <nicolas.chautru at intel.com>
 Date: Wed, 25 Mar 2020 20:27:41 -0700
 Subject: [PATCH] baseband/turbo_sw: fix exposed LLR decimals assumption
 
+[ upstream commit e9381a822a0b0eb3ea4566dc21f8073a9a4d1e2f ]
+
 The actual LLR representation was incorrectly assumed to be 2
 instead of 4. This would impact wireless performance but is not
 critical to be back ported on LTS branches.
 
 Fixes: c769c711757a ("baseband/turbo_sw: extend for 5G")
-Cc: stable at dpdk.org
 
 Signed-off-by: Nicolas Chautru <nicolas.chautru at intel.com>
 Acked-by: Dave Burley <dave.burley at accelercomm.com>
@@ -18,7 +19,7 @@
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/drivers/baseband/turbo_sw/bbdev_turbo_software.c b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
-index 6d5e08095a..5ca8ca1c20 100644
+index f2fe7a2194..e6d9501240 100644
 --- a/drivers/baseband/turbo_sw/bbdev_turbo_software.c
 +++ b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
 @@ -218,7 +218,7 @@ info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
@@ -27,9 +28,9 @@
  			.llr_size = 8,
 -			.llr_decimals = 2,
 +			.llr_decimals = 4,
+ 			.harq_memory_size = 0,
  			.num_buffers_src =
  					RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
- 			.num_buffers_hard_out =
 -- 
 2.20.1