On Thu, 2016-11-17 at 19:44 +0100, André Roth wrote: > Hi all, > > > > > I checked again the kernel > > at https://github.com/hardkernel/linux/tree/ odroidc2-3.14.y. The > > version you mention (3.14.65-73) seems to be: > > sha1: c75d5f4d1516cdd86d90a9d1c565bb0ed9251036 tag: jenkins-deb > > s905 > > kernel-73 > > I downloaded the prebuilt image from hardkernel, I did not build the > kernel myself. but hardkernel has an earlier release of the same > kernel > version, which works fine too. I assume they would have committed the > change in the newer version.. > > > > > In this particular version, both realtek drivers: > > - drivers/net/phy/realtek.c > > - drivers/amlogic/ethernet/phy/am_realtek.c > > > > have the hack to disable 1000M advertisement. I don't understand > > how > > it possible for you to have 1000Base-T Full Duplex with this, maybe > > I'm missing something here ? > > that's what I don't understand as well... > > the patched kernel shows the following: > > $ uname -a > Linux T-06 4.9.0-rc4+ #21 SMP PREEMPT Sun Nov 13 12:07:19 UTC 2016 > > $ sudo ethtool eth0 > Settings for eth0: > Supported ports: [ TP MII ] > Supported link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > 1000baseT/Full > Supported pause frame use: No > Supports auto-negotiation: Yes > Advertised link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > 1000baseT/Full > Advertised pause frame use: No > Advertised auto-negotiation: Yes > Link partner advertised link modes: 10baseT/Half > 10baseT/Full > 100baseT/Half > 100baseT/Full 1000baseT/Half 1000baseT/Full > Link partner advertised pause frame use: Symmetric Receive- > only > Link partner advertised auto-negotiation: Yes > Speed: 1000Mb/s > Duplex: Full > Port: MII > PHYAD: 0 > Transceiver: external > Auto-negotiation: on > Supports Wake-on: ug > Wake-on: d > Current message level: 0x0000003f (63) > drv probe link timer ifdown ifup > Link detected: yes > > $ sudo ethtool --show-eee eth0 > EEE Settings for eth0: > EEE status: disabled > Tx LPI: disabled > Supported EEE link modes: 100baseT/Full > 1000baseT/Full > Advertised EEE link modes: 100baseT/Full > Link partner advertised EEE link modes: 100baseT/Full > 1000baseT/Full > > can it be that "EEE link modes" and the "normal" link modes are two > different things ?
Exactly, They are. Hardkernel code disable both. With hardkernel's kernel, you should not have 1000baseT/Full in "Advertised link modes" and you would have nothing reported in "Advertised EEE link modes" > > > > > If you did compile the kernel yourself, could you check the 2 file > > mentioned above ? Just to be sure there was no patch applied at the > > last minute, which would not show up in the git history of > > hardkernel ? > > I cannot check this easily at the moment.. > > Regards, > > André >
