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net/mlx5: fix default queue number in RSS flow rule

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The selection flags for the RX hash define how the received packets will
be distributed between multiple queues.
When creating a new TIR, the queue_num is set to 1 if none of the selection
flags is set.

Applied the same to the RSS desc before checking if it matches a cached
TIR object to save creating a new object every time.

Fixes: fabf8a37241c ("net/mlx5: fix shared RSS action release")
Cc: stable@dpdk.org

Signed-off-by: Lior Margalit <lmargalit@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
This commit is contained in:
Lior Margalit 2021-07-27 09:46:20 +03:00 committed by Raslan Darawsheh
parent 5e1db76dd8
commit 4a5a1e6b62
1 changed files with 2 additions and 0 deletions
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2
drivers/net/mlx5/mlx5_flow_dv.c
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@ -10985,6 +10985,8 @@ flow_dv_hrxq_prepare(struct rte_eth_dev *dev,
rss_desc->hash_fields = dev_flow->hash_fields;
rss_desc->tunnel = !!(dh->layers & MLX5_FLOW_LAYER_TUNNEL);
rss_desc->shared_rss = 0;
if (rss_desc->hash_fields == 0)
rss_desc->queue_num = 1;
*hrxq_idx = mlx5_hrxq_get(dev, rss_desc);
if (!*hrxq_idx)
return NULL;