Users Guide

8–VMware Driver Software
Driver Parameters
Doc No. BC0054508-00 Rev. R
January 21, 2021 Page 80 Copyright © 2021 Marvell
Note that Marvell validation is limited to a power of 2; for example, 32, 64, and
128.
tcp_buf_size
The tcp_buf_size parameter sets the TCP send and receive buffer size. The
default is 64
× 1,024.
time_stamps
The time_stamps parameter enables and disables TCP time stamps. Set to 0
to disable time stamps. Set to 1 (default) to enable time stamps.
qfle3f Driver Parameters
To view all the qlfe3f parameters, issue one of the following commands:
# esxcli system module parameters list -m qfle3f
# esxcfg-module -i qfle3f
To set a parameter, issue one of the following commands:
#esxcli system module parameters set -m qfle3f -p Param=Value
#esxcfg-module -s Param=Value qfle3f
qfle3f_debug_level
The qfle_3f_debug_level parameter enables additional messaging from the
driver. Set to 0 (default) to disable additional messaging. Set to 1 to enable
additional messaging.
qfle3f_devlOSs_tmo
The qfle3f_devlOSs_tmo parameter sets the remote LUN device loss
time-out value (in seconds). The default is 20 seconds. Valid values are in the
range of 1–120 seconds.
qfle3f_max_luns
The qfle3f_max_luns parameter adjusts the maximum number of LUNs
supported by the driver. The default value is FFFFh (65,535 LUNs).
qfle3f_queue_depth
The qfle3f_queue_depth parameter adjusts the maximum queue depth per
LUN. By default, the OS settings are used.
qfle3f_enable_r_a_tov
The qfle3f_enable_r_a_tov parameter enables or disables a user-defined
R_A_TOV. Set to 0 to disable R_A_TOV. Set to 1 (default) to enable R_A_TOV.