a1 wrote:
Hi, Auke.
Auke Kok wrote:
AK> Here's that part of the driver documentation:
AK> $ modprobe e1000 AutoNeg=0x08
AK> e1000: 0000:00:00.0: e1000_validate_option: AutoNeg advertising 100/FD
AK> 99 /* Auto-negotiation Advertisement Override
AK> 100 *
AK> 101 * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
AK> 102 *
AK> 103 * The AutoNeg value is a bit mask describing which speed and duplex
AK> 104 * combinations should be advertised during auto-negotiation.
AK> 105 * The supported speed and duplex modes are listed below
AK> 106 *
AK> 107 * Bit 7 6 5 4 3 2 1 0
AK> 108 * Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
AK> 109 * Duplex Full Full Half Full Half
AK> 110 *
AK> 111 * Default Value: 0x2F (copper); 0x20 (fiber)
AK> 112 */
This is not what I'm thinking of. Say, for example, I have a bunch of
e1000 adapters in my box and want to dynamically change one's spd/dplx.
For that works in the way you described I need to stop all of them and
load with autoneg parameter (can I pass this parameter only to single
card?) and loose all connection I had on other adapters.
you can pass these parameters per card as such:
$ modprobe e1000 AutoNeg=0x2f,0x28,0x2f,0x2f
this way card #2 will see the non-default value, the other 3 will run with the
default value (0x2f).
Auke
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