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Chapter 5 Configuring the
nxge
Device Driver Parameters 37
▼ To Specify Device Instances for the
ndd
Utility
Before you use the
ndd
utility to get or set a parameter for a
nxge
device, you must
specify the device instance for the utility.
1. Check the
/etc/path_to_inst
file to identify the instance associated with a
particular device.
▼ To Specify Parameter Values Using the
ndd
Utility
This section describes how to modify and display parameter values.
1. To modify a parameter value, use the
-set
option.
If you invoke the
ndd
utility with the
-set
option, the utility passes value , which
must be specified, down to the named
/dev/nxge
driver_instance , and assigns the
value to the parameter:
Where X is the driver instance, for example /dev/nxge0, /dev/nxge1.
2. To display the value of a parameter, specify the parameter name and omit the
value.
When you omit the
-set
option, the utility queries the named driver instance,
retrieves the value associated with the specified parameter, and prints it:
▼
To Use the
ndd
Utility in Interactive Mode
1. To modify a parameter value in interactive mode, specify
ndd /dev/nxge
X :
# grep nxge /etc/path_to_inst
"/pci@7c0/pci@0/pci@9/network@0" 0 "nxge"
"/pci@7c0/pci@0/pci@9/network@0,1" 1 "nxge"
# ndd -set /dev/nxge
X parameter-value
# ndd /dev/nxge
X parameter
# ndd /dev/nxge0
name to get/set? (Enter the parameter name or ? to view all
parameters)