How to check for custom drss / rss parameter settings in the nmlx5_core driver
Article ID: 431306
Updated On:
Products
VMware vSphere ESXi
Issue/Introduction
This article describes how to verify whether the drss and rss module parameters for the nmlx5_core driver have been configured with custom values.
Environment
ESXi 7.x
ESXi 8.x
Resolution
Log in to the ESXi host via SSH and execute the following command:
esxcli system module parameters list -m nmlx5_core |egrep -e DRSS -e RSS -e rss -e "------" -e "Description" |egrep -e int -e "Description" -e "------"
Check the Value column for the required items, such as DRSS, RSS, drss, or rss.
If the Value column is blank (no numerical value is listed), the default values are being used.
Output Example
Name Type Value Description
--------------------- ------------- ----- -----------
DRSS int Number of HW queues for DEFQ RSS
DYN_RSS int Enable dynamic rss
GEN_RSS int Requested max. number of Generic RSS engines
RSS int Number of HW queues for NETQ RSS
device_rss int This parameter is Obsolete - Please use 'DRSS' parameter set to 16
drss int This parameter is Obsolete - Please use 'DRSS' parameter
netq_rss_ens int Enable NetQ RSS for ENS model 0
rss int This parameter is Obsolete - Please use 'RSS' parameter
You can verify the specific default values for each parameter by running the following command:
esxcli system module parameters list -m nmlx5_core
Additional Information
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