[eepro100] Low power states in the 82559/82559ER chips
Donald Becker
becker@scyld.com
Fri, 6 Jul 2001 17:45:15 -0400 (EDT)
On Fri, 6 Jul 2001, Manpreet Singh wrote:
> Under what all conditions does the driver transition the chip from D0 to low
> power states and then what makes it recover ?
Read the code in your specific driver copy.
> Does it also go to sleep on link inactivity for a long time ?
No.
> And are the
> wake up events the same as the ones described in the Intel 82559 datasheets
> namely ARP/direct IP and other packets and link status change ?
The wake-up events are configured in the EEPROM.
We usually configure for Magic Packet only. Link change and matching
packet (usually ARP) are less useful in most environments.
Donald Becker becker@scyld.com
Scyld Computing Corporation http://www.scyld.com
410 Severn Ave. Suite 210 Second Generation Beowulf Clusters
Annapolis MD 21403 410-990-9993