7–VMware Driver Software
Driver Parameters
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rq_size
Use the
rq_size
parameter to choose the size of asynchronous buffer queue
size per offloaded connections. RQ size is not required greater than 16 as it is
used to place iSCSI ASYNC/NOP/REJECT messages and SCSI sense data.
Default:
16
Range:
16
to
32
Note that Cavium validation is limited to a power of 2; for example,
16
or
32
.
sq_size
Use th
e sq_size
parameter to choose send queue size for offloaded
connections and SQ size determines the maximum SCSI commands that can be
queued. SQ size also has a bearing on the quantity of connections that can be
offloaded; as QP size increases, the quantity of connections supported
decreases. With the default values, the BCM5708 adapters can
offload 28 connections.
Default:
128
Range:
32
to
128
Note that Cavium 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
