Re: [E1000-devel] autoneg fiber e1000

[Nicolas P. <np...@1g...>]

I found the problem, 
after checking the serial number of the SFP on the board, it's an SX version ! and not an LX ... 

Nicolas 

----- Mail original -----

> >-----Original Message-----
> >From: Nicolas Parpandet [mailto:np...@1g...]
> >Sent: Wednesday, April 10, 2013 5:29 AM
> >To: e10...@li...
> >Subject: [E1000-devel] autoneg fiber e1000
> >
> >
> >Hi,
> >
> >My kernel is 3.2 (same with 2.6.32) ,
> >I have a Intel Corporation 82545EM Gigabit Ethernet Controller
> >(fiber LX)
> >
> >I'm connected to Cogent with fiber, and I have to disable autoneg
> >and set
> >1000/Full duplex.
> >
> >But there is a problem with e100 0 driver :
> >
> >int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8
> >dplx) {
> >struct e1000_hw *hw = &adapter->hw;
> >
> >hw->autoneg = 0;
> >
> >/* Make sure dplx is at most 1 bit and lsb of speed is not set
> >* for the switch() below to work */
> >if ((spd & 1) || (dplx & ~1))
> >goto err_inval;
> >
> >/* Fiber NICs only allow 1000 gbps Full duplex */ if
> >((hw->media_type ==
> >e1000_media_type_fiber) && spd != SPEED_1000 && dplx != DUPLEX_FULL)
> >goto
> >err_inval;
> >
> >switch (spd + dplx) {
> >case SPEED_10 + DUPLEX_HALF:
> >hw->forced_speed_duplex = e1000_10_half;
> >break;
> >case SPEED_10 + DUPLEX_FULL:
> >hw->forced_speed_duplex = e1000_10_full;
> >break;
> >case SPEED_100 + DUPLEX_HALF:
> >hw->forced_speed_duplex = e1000_100_half;
> >break;
> >case SPEED_100 + DUPLEX_FULL:
> >hw->forced_speed_duplex = e1000_100_full;
> >break;
> >case SPEED_1000 + DUPLEX_FULL:
> >hw->autoneg = 1;
> >hw->autoneg_advertised = ADVERTISE_1000_FULL;
> >break;
> >case SPEED_1000 + DUPLEX_HALF: /* not supported */
> >
> >
> >As you can see autoneg is forced on, and my link doesn't come up
> >because
> >of this.
> >The other side is a cisco with nonegociate .
> >
> >Setting speed and duplex, even with "advertise 0x020" doesn't work,
> >I have
> >to disable negociation.

> Have you tried 'ethtool -A ethx autoneg off'

> -Tushar