6–Configuring NIC Functionality in the Converged Network Adapter Configuring the NIC in a Linux Environment

Table 6-2. NIC Driver Parameters for Linux (Continued)

Parameter Name

Description

Default

Allowed

Configuration

Value

Values

Method

 

 

 

 

 

 

 

tx-checksumming (tx)

Enables or disables

On

Off, On

ethtool

 

hardware transmit

 

 

 

 

TCP/UDP checksum

 

 

 

 

 

 

 

 

scatter-gather (sg)

Enables or disables

On

Off, On

ethtool

 

scatter-gather and

 

 

 

 

64-bit DMA on x86

 

 

 

 

 

 

 

 

tcp segmentation offload (tso)

Enables or disables

On

Off, On

ethtool

 

TCP segmentation

 

 

 

 

offload

 

 

 

 

 

 

 

 

udp fragmentation offload (ufo)

Enables or disables

Off

On, Off

ethtool

 

UDP fragmentation

 

 

 

 

offload

 

 

 

 

 

 

 

 

generic segmentation offload

Enables or disables

Off

On, off

ethtool

(gso)

generic segmenta-

 

 

 

 

tion offload

 

 

 

 

 

 

 

 

generic-receive-offload (gro)

Enables or disables

Off

On, off

ethtool

 

generic receive

 

 

 

 

offload

 

 

 

 

 

 

 

 

qlge_irq_type

Type of interrupt for

0

0 = MSI-X

Modprobe

 

the network device to

 

1 = MSI

 

 

use

 

2 = Legacy

 

 

 

 

Interrupts

 

 

 

 

 

 

qlge_mpi_coredump

Enables or disables

1

0 (disables)

Modprobe

 

allocation of memory

 

1 (enables)

 

 

for an MPI firmware

 

 

 

 

dump

 

 

 

 

 

 

 

 

qlge_spool_coredump

Enables or disables

0

1 (enables)

Modprobe

 

spooling of firmware

 

0 (disables)

 

 

dump to log.

 

 

 

 

 

 

 

 

debug

Debug level

0

0–16

Sysfs

 

(0=none,...,16=all)

 

 

(/sys/class/net/

 

(int)

 

 

eth0)

 

 

 

 

 

6-30

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Q-Logic 8100 SERIES manual NIC Driver Parameters for Linux