Sun Microsystems THE SUN 805-7945-10 User Manual
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Platform Notes: The Sun™
GigabitEthernet Device Driver
Solaris™ 7
Part No.: 805-7945-10
March 1999, Revision A
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Contents
1. Installing and Configuring the ge Device Driver 1
Installing the Driver Software 1
▼ To Install the Driver Software 1
▼ Set Up the Software on Solaris Systems 2
Configuring the Driver Parameters 4
GigabitEthernet MAC 4
Driver Parameter Values and Definitions 5
Defining the Current Status 6
Flow Control Parameters 6
Interpacket Gap Parameters 7
Defining an Additional Delay Before Transmitting a Packet Using
lance_mode and ipg0 7
Operational Mode Parameters 8
Reporting Local PCS Capabilities 9
Reporting the Link Partner Capabilities 9
Setting ge Driver Parameters 10
Setting Parameters Using the ndd Utility 10
▼ To Specify the Device Instance for the ndd Utility 11
Non-Interactive and Interactive Modes 11
Contents iii
▼ To Use the ndd Utility in Non-Interactive Mode 12
▼ To Use the ndd Utility in Interactive Mode 12
▼ To View the ge Driver Parameters 12
Autonegotiation Mode 13
▼ To Set Autonegotiation to Off (Forced Mode) 13
Setting Parameters Using the ge.conf File 14
Understanding the ge.conf File 14
▼ To Set Parameters Using the ge.conf File on an SBus adapter 15
▼ To Set Parameters Using the ge.conf File on a PCI adapter 16
Network Configuration 16
▼ To Configure the Host Files 16
▼ To Set Up a Diskless Client on a Server 18
▼ To Perform a Net-Install of the Solaris Environment Over the ge
Interface 19
iv Platform Notes: The Sun GigabitEthernet Device Driver • March 1999
Installing and Configuring the ge
Device Driver
These Platform Notes include instructions for installing and configuring the
software used by the Sun GigabitEthernet adapter. It also contains information for
configuring the network. Unless otherwise noted, all instructions apply to both the
Sun GigabitEthernet/P adapter and the Sun GigabitEthernet/S adapter.
The document is organized as follows:
■ Installing the Driver Software
■ Configuring the Driver Parameters
■ Setting ge Driver Parameters
■ Network Configuration
Installing the Driver Software
The software required to use the Sun GigabitEthernet adapters is on the Solaris CD
that accompanies these Platform Notes.
▼ To Install the Driver Software
1. Become superuser.
1
2. Use the prtconf -pv command to determine if the system already contains a
GigabitEthernet (ge) device.
For Sun GigabitEthernet/S:
# prtconf -pv | grep SUNW,sbus-gem
compatible: ’SUNW,sbus-gem’
model: ’SUNW,sbus-gem’
For Sun GigabitEthernet/P:
# prtconf -pv | grep SUNW,pci-gem
model: ’SUNW,pci-gem’
3. Install the software.
■ If your system contains a ge device, install the software as described in the
Solaris 7 3/99 Sun Hardware Platform Guide.
■ If your system does not contain a ge device, shut down the system and install
the adapter, then install the driver software as described in the Solaris 7 3/99 Sun
Hardware Platform Guide
Note – If your system supports Dynamic Reconfiguration (DR), do not shut down
or reboot. Refer to the installation manual that shipped with your system for further
installation instructions.
▼ Set Up the Software on Solaris Systems
1. Create an entry in the /etc/hosts file for each active ge interface.
# cat /etc/hosts
#
# Internet host table
#
127.0.0.1 localhost
129.144.10.57 zardoz loghost
129.144.11.83 zardoz-11
2 Platform Notes: The Sun GigabitEthernet Device Driver • March 1999
2. Use the grep command to search the /etc/path_to_inst file for ge instances.
For Sun GigabitEthernet/P:
# grep ge /etc/path_to_inst
“/pci@1f,4000/pci@1/network@1” 1 “ge”
For Sun GigabitEthernet/S:
# grep ge /etc/path_to_inst
“/sbus@1f,0/network@1,100000” 1 “ge”
In these examples, the 0 instance is for the first GigabitEthernet adapter installed in
each system.
3. Set up each hostname.genum file to correspond with each ge device in the
path_to_inst file.
The following example shows the /etc/hostname.genum file required for a
system that has a ge interface with the host name zardoz-11.
# cat /etc/hostname.ge1
zardoz-11
4. Set up the ge adapter using the ifconfig command, where ip_address is the
system IP address of the machine that will use the adapter without first rebooting.
# ifconfig ge0 plumb
# ifconfig ge0 ip_address up
Note – After installing the software, refer to the Sun GigabitEthernet/S 2.0 Adapter
Installation and User ’s Guide or the Sun GigabitEthernet/P 2.0 Adapter Installation and
User’s Guide for further information about how to configure the software.
Installing and Configuring the ge Device Driver 3
Configuring the Driver Parameters
This section provides an overview of the capabilities of the GigabitEthernet ASIC
used in the adapters, lists the available ge driver parameters, and describes how to
configure these parameters.
The ge driver controls the Sun GigabitEthernet adapter devices. The Sun
GigabitEthernet device is identified as network with the model property
SUNW,sbus-gem or SUNW,pci-gem node. The ge driver is attached to the device
with the compatible property pci108e,2bad for the Sun GigabitEthernet/P adapter
or SUNW,sbus-gem for the Sun GigabitEthernet/S adapter. You can manually
configure the parameters to customize each Sun GigabitEthernet adapter in your
system.
GigabitEthernet MAC
The GigabitEthernet MAC (GEM) provides 1000BASE-SX networking interfaces. The
driver automatically sets the link speed to 1000 Mbps and conforms to the IEEE
802.3z Ethernet standard. The GEM PCI ASIC provide the PCI interface, Media
Access Control (MAC) functions, and Physical Code Sublayer (PCS) functions. The
GEM SBus ASIC provides the SBus interface, MAC functions, and PCS functions.
The External SERDES, which connects the 1000BASE-SX Compliant SC connector to
the ASIC, provides the physical layer functions.
The GEM MAC and PCS are capable of all the operating speeds and modes listed in
“Autonegotiation Mode” on page 13. The PCS performs autonegotiation with the
remote end of the link (link partner) to select a common mode of operation.
The PCS also supports a forced mode of operation. You can select the speed and
mode by creating a ge.conf file.
4 Platform Notes: The Sun GigabitEthernet Device Driver • March 1999
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