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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, chenbo.xia@intel.com, amorenoz@redhat.com,
david.marchand@redhat.com, andrew.rybchenko@oktetlabs.ru,
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Cc: stable@dpdk.org, nelio.laranjeiro@6wind.com, yvugenfi@redhat.com,
ybendito@redhat.com, Maxime Coquelin <maxime.coquelin@redhat.com>
Date: Wed, 29 Sep 2021 11:17:00 +0200
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Subject: [dpdk-stable] [PATCH v3 4/5] net/mlx5: fix RSS RETA update
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This patch fixes RETA updating for entries above 64.
Without ithat, these entries are never updated as
calculated mask value will always be 0.
Fixes: 634efbc2c8c0 ("mlx5: support RETA query and update")
Cc: stable@dpdk.org
Cc: nelio.laranjeiro@6wind.com
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
---
drivers/net/mlx5/mlx5_rss.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/mlx5/mlx5_rss.c b/drivers/net/mlx5/mlx5_rss.c
index c32129cdc2..6dc52acee0 100644
--- a/drivers/net/mlx5/mlx5_rss.c
+++ b/drivers/net/mlx5/mlx5_rss.c
@@ -211,7 +211,7 @@ mlx5_dev_rss_reta_update(struct rte_eth_dev *dev,
for (idx = 0, i = 0; (i != reta_size); ++i) {
idx = i / RTE_RETA_GROUP_SIZE;
pos = i % RTE_RETA_GROUP_SIZE;
- if (((reta_conf[idx].mask >> i) & 0x1) == 0)
+ if (((reta_conf[idx].mask >> pos) & 0x1) == 0)
continue;
MLX5_ASSERT(reta_conf[idx].reta[pos] < priv->rxqs_n);
(*priv->reta_idx)[i] = reta_conf[idx].reta[pos];
--
2.31.1