3–Driver Installation
Installing VMware Driver Software
30
AH0054602-00 A
max_vfs
Specifies the number of virtual functions (VFs) per physical function (PF).
max_vfs
can be
0
(disabled) or
64
VFs on a single port (enabled). The
64 VF maximum support for ESXi is an OS resource allocation constraint.
RSS
Specifies the number of receive side scaling queues used by the host or vir-
tual extensible LAN (VXLAN) tunneled traffic for a PF.
RSS
can be
2
,
3
,
4
,
or one of the following values:
–1
uses the default number of queues.
0
or
1
disables RSS queues.
You can specify multiple values delimited by commas for multiport or multi-
function configurations.
debug
Specifies the level of data that the driver records in the
vmkernel
log file.
debug
can have the following values, shown in increasing amounts of data:
0x80000000
indicates Notice level.
0x40000000
indicates Information level (includes the Notice level).
0x3FFFFFFF
indicates Verbose level for all driver submodules (includes
the Information and Notice levels).
auto_fw_reset
Enables (
1
) or disables (
0
) the driver automatic firmware recovery capability.
When this parameter is enabled, the driver attempts to recover from events
such as transmit timeouts, firmware asserts, and adapter parity errors. The
default is
auto_fw_reset=1
.
vxlan_filter_en
Enables (
1
) or disables (
0
) the VXLAN filtering based on the outer MAC, the
inner MAC, and the VXLAN network (VNI), directly matching traffic to a spe-
cific queue. The default is
vxlan_filter_en=1
. You can specify multiple
values delimited by commas for multiport or multifunction configurations.
enable_vxlan_offld
Enables (
1
) or disables (
0
) the VXLAN tunneled traffic checksum offload and
TCP segmentation offload (TSO) capability. The default is
enable_vxlan_offld=1
. You can specify multiple values delimited by
commas for multiport or multifunction configurations.
Table 3-6. VMware Driver Optional Parameters (Continued)
Parameter
Description
