Sun Microsystems Dual XFP, User Manual, Page: 67 / 100

Chapter 5 Configuring the
nxge
Device Driver Parameters 49
2. To change RX interrupt Coalesce parameters use the
ethtool -C
command:
3. To get status of L4 HW checksumming, use the
ethtool -k
command:
# ethtool -C eth4 rx-usecs 20
# ethtool -c eth4
Coalesce parameters for eth4:
Adaptive RX: off TX: off
stats-block-usecs: 0
sample-interval: 0
pkt-rate-low: 0
pkt-rate-high: 0
rx-usecs: 20
rx-frames: 512
rx-usecs-irq: 0
rx-frames-irq: 512
tx-usecs: 0
tx-frames: 0
tx-usecs-irq: 0
tx-frames-irq: 0
rx-usecs-low: 0
rx-frame-low: 0
tx-usecs-low: 0
tx-frame-low: 0
rx-usecs-high: 0
rx-frame-high: 0
tx-usecs-high: 0
tx-frame-high: 0
# ethtool -k eth4
Offload parameters for eth4:
Cannot get device tcp segmentation offload settings: Operation not
supported
rx-checksumming: on
tx-checksumming: on
scatter-gather: off
tcp segmentation offload: off