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The built-in SGEC controller emulator ("eza") has the following parameters that are specified with the "set" command:

interface

Type
Parameter	interface

Value

Text String
Value	Name of corresponding instance of "packet_port" or "tap_port" component

station_address

Parameter station_address

Type

Text String

Value

"station_address" provides the ability to configure the adapter’s permanent address. By default the adapter’s permanent address is read from the host system’s NIC.

Set the "station_address" when you need to configure a satellite (remotely booted) system that will run DECnet or when the migrated software uses the permanent address on the network adapter.

Format:

XX-XX-XX-XX-XX-XX

or

XX:XX:XX:XX:XX:XX

Example:

set eza station_address="AF:01:AC:78:1B:CC"

rx_fifo_size

Parameter

rx_fifo_size

Type

Numeric

Value

"rx_fifo_size" sets the receive FIFO size.

The value is specified in Kb and by default is pre-calculated from the connected port’s size of receive queue.

Typically, you do not need to change the "rx_fifo_size" parameter. It is available for extended tuning and bug hunting purposes.

Example:

load packet_port/chnetwrk EZA0 interface = "eth0"
set EZA interface = EZA0
set EZA station_address="0C:FE:35:AA:67:3B"

...

load DEQNA/DEQNA <logical name>
load DESQA/DEQNA <logical name>
load DELQA/DEQNA <logical name>
load DEUNA/DEUNA <logical name>
load DELUA/DEULA <logical name>

Example:

load DESQA/DEQNA XQA

DEQNA, DESQA, DELQA, DEUNA and DELUA offer the following configuration parameters that can be specified with "set" command:

address

Parameter address

Type Numeric

Value

address

Numeric

Specifies the CSR address. The address must be a valid QBUS and UNIBUS address in I/O space. Initial value is 017774440 which is the factory setting for DEQNA, DESQA and DELQA Ethernet controllers.

Use the address parameter if loading several instances of DEQNA, DESQA, DELQA, DEUNA and DELUA.

"address" parameter value must be unique for every instance of DEQNA, DESQA, DELQA, DEUNA and DELUA.

Example:

load DEQNA/DEQNA XQA address=017774440
load DEQNA/DEQNA XQB address=017764460

interface

Parameter	interface
Type	Text String
Value	Name of corresponding instance of "packet_port" or "tap_port" component

station_address

Parameter station_address

Type

Text String

Value

"station_address" provides the ability to configure the adapter’s permanent address. By default the adapter’s permanent address is read from the host system’s NIC.

Set the "station_address" when you need to configure a satellite (remotely booted) system that will run DECnet or when the migrated software uses the permanent address on the network adapter.

Format:

XX-XX-XX-XX-XX-XX

or

XX:XX:XX:XX:XX:XX

Example:

set QNA station_address="AF:01:AC:78:1B:CC"

rx_fifo_size

Parameter

rx_fifo_size

Type

Numeric

Value

"rx_fifo_size" sets the receive FIFO size.

The value is specified in Kb and by default is pre-calculated from the connected port’s size of receive queue.

Typically, you do not need to change the "rx_fifo_size" parameter. It is available for extended tuning and bug hunting purposes.

Example:

load DESQA/DEQNA QNA interface = QNA0
set QNA station_address="0C:FE:35:AA:67:3B"

load packet_port/chnetwrk QNA0 interface = "eth0"

...

load DEMNA/DEMNA <logical name>

Example:

load DEMNA/DEMNA EXA

DEMNA Ethernet controller offers the following configuration parameters that can be specified with "set" command:

xmi_node_id

Parameter
Type	Value
xmi_node_id
Type	Number
Value	Specifies the XMI slot in which the virtual DEMNA controller is placed. For CHARON-VAX/66X0 a free slot between 10 (A) and 14 (E) must be chosen.

interface

Parameter	interface
Type	Text String
Value	Name of corresponding instance of "packet_port" or "tap_port" component

station_address

Parameter station_address

Type

Text String

Value

"station_address" provides the ability to configure the adapter’s permanent address. By default the adapter’s permanent address is read from the host system’s NIC.

Set the "station_address" when you need to configure a satellite (remotely booted) system which will run DECnet or when the migrated software uses the permanent address on the network adapter.

Format:

XX-XX-XX-XX-XX-XX

or

XX:XX:XX:XX:XX:XX

Example:

set EXA station_address="AF:01:AC:78:1B:CC"

rx_fifo_size

Parameter

rx_fifo_size

Type

Numeric

Value

"rx_fifo_size" sets the receive FIFO size.

The value is specified in Kb and by default is pre-calculated from the connected port’s size of receive queue.

Typically, you do not need to change the "rx_fifo_size" parameter. It is available for extended tuning and bug hunting purposes.

Example:

load DEMNA/DEMNA EXA xmi_node_id = 11 interface = EXA0
set EXA station_address = "0C:FE:35:AA:67:3B"

load packet_port/chnetwrk EXA0 interface = "eth0"

...

load DEBNI/DEMNA <logical name>

Example:

load DEBNI/DEMNA EXA

DEBNI Ethernet controller offers the following configuration parameters that can be specified with "set" command:

vax_bi_node_id

Parameter
Type	Value
vax_bi_node_id
Type	Number
Value	Specifies the VAXBI slot in which the virtual DEBNI controller is placed.

interface

Parameter	interface
Type	Text String
Value	Name of corresponding instance of "packet_port" or "tap_port" component

station_address

Parameter station_address

Type

Text String

Value

"station_address" provides the ability to configure the adapter’s permanent address. By default the adapter’s permanent address is read from the host system’s NIC.

Set the "station_address" when you need to configure a satellite (remotely booted) system which will run DECnet or when the migrated software uses the permanent address on the network adapter.

Format:

XX-XX-XX-XX-XX-XX

or

XX:XX:XX:XX:XX:XX

Example:

set EXA station_address="AF:01:AC:78:1B:CC"

rx_fifo_size

Parameter

rx_fifo_size

Type

Numeric

Value

"rx_fifo_size" sets the receive FIFO size.

The value is specified in Kb and by default is pre-calculated from the connected port’s size of receive queue.

Typically, you do not need to change the "rx_fifo_size" parameter. It is available for extended tuning and bug hunting purposes.

Example:

load DEBNI/DEMNA EXA vax_bi_node_id = 11 interface = EXA0
set EXA station_address = "0C:FE:35:AA:67:3B"

load packet_port/chnetwrk EXA0 interface = "eth0"

...

load PMADAA/PMADAA <logical name>

Example:

load PMADAA/PMADAA EXA

PMAD-AA TurboChannel Ethernet controller offers the following configuration parameters that can be specified with "set" command:

interface

Type
Parameter	interface
Value
interface	Text String
Value	Name of corresponding instance of "packet_port" or "tap_port" component

station_address

Parameter station_address

Type

Text String

Value

"station_address" provides the ability to configure the adapter’s permanent address. By default the adapter’s permanent address is read from the host system’s NIC.

Set the "station_address" when you need to configure a satellite (remotely booted) system which will run DECnet or when the migrated software uses the permanent address on the network adapter.

Format:

XX-XX-XX-XX-XX-XX

or

XX:XX:XX:XX:XX:XX

Example:

set ECA station_address="AF:01:AC:78:1B:CC"

rx_fifo_size

Parameter

rx_fifo_size

Type

Numeric

Value

"rx_fifo_size" sets the receive FIFO size.

The value is specified in Kb and by default is pre-calculated from the connected port’s size of receive queue.

Typically, you do not need to change the "rx_fifo_size" parameter. It is available for extended tuning and bug hunting purposes.

Example:

load PMADAA/PMADAA ECA interface = ECA0
set ECA station_address = "0C:FE:35:AA:67:3B"
load packet_port/chnetwrk ECA0 interface = "eth0"

...

load packet_port/chnetwrk <instance-name>

Example:

load packet_port/chnetwrk pp_1

"packet_port" offers several configuration parameters controlling its behavior.

interface

Parameter interface

Type

Value

interface

Text string

Value

This parameter Identifies an Ethernet adapter of the host system dedicated to CHARON-VAX.

Syntax:

set <name> interface="<adapter>"

Example:

set pp_1 interface="eth0"

port_enable_mac_addr_change

Parameter

port_enable_mac_addr_change

Type Boolean

Value

If "true" is specified, CHARON sets the appropriate Ethernet address automatically.

If "false" is specified, set the Ethernet address manually. The default value is "true".

Example:

set pp_1 port_enable_mac_addr_change=false

port_retry_on_tx

Parameter

port_retry_on_tx

Type Numeric

Value

The "port_retry_on_tx" parameter controls the number of times the port will attempt to transmit the packet before giving up.

By default, the value is 3.

Increasing this value may introduce problems in carrier loosing logic because not all NIC drivers support carrier status query.

Typically, you do not need to increase the value.

Example:

set pp_1 port_retry_on_tx=8

port_pending_rx_number

Parameter

port_pending_rx_number

Type

Numeric

Value

"port_pending_rx_number" parameter sets the number of pending receive buffers.

The default value is 63. The maximum value allowed is 195.

You may want to increase the "port_pending_rx_number" when you have very busy networking and experience problems like losing connections not related to the carrier loss.

Typically, you do not need to change this parameter.

Example:

set pp_1 port_pending_rx_number=128

port_pending_tx_number

Parameter

port_pending_tx_number

Type Numeric

Value

"port_pending_tx_number" parameter sets the number of buffers the port uses to transmit.

The default value is 62.

You may want to increase the "port_pending_tx_number" value if the log file indicates dropped TX packets due to TX queue overflow.

Typically, you do not need to change this parameter.

Example:

set pp_1 port_pending_tx_number=128

.

Info
"tap_port" parameters are the same as "packet_port" ones

Example:

load DEQNA/DEQNA XQA

load packet_port/chnetwrk XQA0 interface="eth0"

set XQA interface=XQA0

...

Versions Compared

Old Version 1

New Version 2

Key

interface

station_address

rx_fifo_size

address

interface

station_address

rx_fifo_size

xmi_node_id

interface

station_address

rx_fifo_size

vax_bi_node_id

interface

station_address

rx_fifo_size

interface

station_address

rx_fifo_size

interface

port_enable_mac_addr_change

port_retry_on_tx

port_pending_rx_number

port_pending_tx_number