Справочник Пользователя для Q-Logic 3000

8–Linux Driver Installation and Configuration

Linux QLogic Adapter Driver Options

NE0154601-00  C

8-7

The parameters are listed in 

.

The ethtool utility checks and configures additional driver options. See the 
nx_nic Linux man pages for driver option configuration examples. See the 
ethtool Linux man pages for additional details. Here is an example command:

% ethtool -K eth[n] tso off

tx_desc

Sets the size of the command descrip-
tor rings (transmit).

1024

256–1024 

(must be 

power of two)

jumbo_desc_1g Sets the size of the receive ring for 

jumbo frames (1GbE ports).

1024

(x86 64-bit)

512

(x86 32-bit)

64–1024
(must be 

power of two)

jumbo_desc

Sets the size of the receive ring for 
jumbo frames (10GbE ports).

1024

64–1024
(must be 

power of two)

rdesc_1g

Sets the size of the receive ring for 
normal packets (1GbE ports).
For firmware version 4.0.xyz, the max-
imum size is 8192.

8192

(x86 64-bit)

2048 

(x86 32-bit)

64–8192 
(must be 

power of two)

rdesc_10g

Sets the size of the receive ring for 
normal packets (10GbE ports).
For firmware version 4.0.xyz, the max-
imum size is 8192.

8192

(x86 64-bit)

4096

(x86 32-bit)

64–8192 
(must be 

power of two)

use_msi

Enables MSI interrupts.

1

0: Disabled
1: Enabled

use_msi_x

Enables MSIx interrupts.
This parameter is available only in 
kernel versions later than 2.6.8. When 
this parameter is enabled, it takes pre-
cedence over MSI interrupts and the 
use_msi parameter is ignored.

1

0: Disabled
1: Enabled

rss_enable

Enables receive side scaling. This 
parameter is available only when 
MSI-X interrupts are enabled.

1

0: Disabled
1: Enabled