[dpdk-stable] patch 'net/failsafe: fix RSS RETA size info' has been queued to LTS release 18.11.10

[Kevin Traynor]

Hi,

FYI, your patch has been queued to LTS release 18.11.10

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 07/23/20. 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.

Queued patches are on a temporary branch at:
https://github.com/kevintraynor/dpdk-stable-queue

This queued commit can be viewed at:
https://github.com/kevintraynor/dpdk-stable-queue/commit/0e1d54296a6b14b7c458be93a4724de5c610052a

Thanks.

Kevin.

---
>From 0e1d54296a6b14b7c458be93a4724de5c610052a Mon Sep 17 00:00:00 2001
From: Ian Dolzhansky <ian.dolzhansky at oktetlabs.ru>
Date: Wed, 27 May 2020 15:34:33 +0100
Subject: [PATCH] net/failsafe: fix RSS RETA size info

[ upstream commit 6e8bdf7266db71f43f47f40704ab1122f60c3f17 ]

Failsafe driver has been indicating zero for RSS redirection table size
after device info reporting had been reworked. Report proper value.

Fixes: 4586be3743d4 ("net/failsafe: fix reported device info")

Signed-off-by: Ian Dolzhansky <ian.dolzhansky at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
Acked-by: Gaetan Rivet <grive at u256.net>
Acked-by: Stephen Hemminger <stephen at networkplumber.org>
---
 drivers/net/failsafe/failsafe_ops.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/failsafe/failsafe_ops.c b/drivers/net/failsafe/failsafe_ops.c
index a3c30c25a9..07043dbbce 100644
--- a/drivers/net/failsafe/failsafe_ops.c
+++ b/drivers/net/failsafe/failsafe_ops.c
@@ -828,4 +828,11 @@ fs_dev_merge_info(struct rte_eth_dev_info *info,
 	info->tx_queue_offload_capa &= sinfo->tx_queue_offload_capa;
 	info->flow_type_rss_offloads &= sinfo->flow_type_rss_offloads;
+
+	/*
+	 * RETA size is a GCD of RETA sizes indicated by sub-devices.
+	 * Each of these sizes is a power of 2, so use the lower one.
+	 */
+	info->reta_size = RTE_MIN(info->reta_size, sinfo->reta_size);
+
 	info->hash_key_size = RTE_MIN(info->hash_key_size,
 				      sinfo->hash_key_size);
@@ -878,4 +885,5 @@ fs_dev_infos_get(struct rte_eth_dev *dev,
 	infos->max_vfs = UINT16_MAX;
 	infos->max_vmdq_pools = UINT16_MAX;
+	infos->reta_size = UINT16_MAX;
 	infos->hash_key_size = UINT8_MAX;
 
-- 
2.21.3

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2020-07-17 17:17:00.224112925 +0100
+++ 0004-net-failsafe-fix-RSS-RETA-size-info.patch	2020-07-17 17:16:59.958771897 +0100
@@ -1 +1 @@
-From 6e8bdf7266db71f43f47f40704ab1122f60c3f17 Mon Sep 17 00:00:00 2001
+From 0e1d54296a6b14b7c458be93a4724de5c610052a Mon Sep 17 00:00:00 2001
@@ -5,0 +6,2 @@
+[ upstream commit 6e8bdf7266db71f43f47f40704ab1122f60c3f17 ]
+
@@ -10 +11,0 @@
-Cc: stable at dpdk.org
@@ -21 +22 @@
-index e1d08e46c8..96f7e456f9 100644
+index a3c30c25a9..07043dbbce 100644
@@ -24 +25 @@
-@@ -1069,4 +1069,11 @@ fs_dev_merge_info(struct rte_eth_dev_info *info,
+@@ -828,4 +828,11 @@ fs_dev_merge_info(struct rte_eth_dev_info *info,
@@ -36 +37 @@
-@@ -1120,4 +1127,5 @@ fs_dev_infos_get(struct rte_eth_dev *dev,
+@@ -878,4 +885,5 @@ fs_dev_infos_get(struct rte_eth_dev *dev,