Call for testers: re(4) and RTL8168C/RTL8168CP/RTL8111C/RTL8111CP

Fabian Keil freebsd-listen at
Sun Jun 8 13:36:48 UTC 2008

Pyun YongHyeon <pyunyh at> wrote:

> I have been working on supporting RealTek controllers above for
> several weeks. These new controllers seems to use different
> descriptor format as well as new registers to control jumbo frame.
> Unfortunately no datasheets are available for these controllers so
> I need feedbacks from these hardware owners. The patch I made added
> basic support for checksum offload. ATM TSO and jumbo frame support
> were disabled for these controllers.
> I don't have any of these hardwares so if you have one of these
> hardwares please give it try and let me know how it goes. Some
> users reported success but I'd like to get more feedback because
> re(4) supports too many variants and I don't like to break supports
> for old RealTek hardwares.

Using CURRENT, I didn't notice any problems with:

re0: <RealTek 8169/8169S/8169SB(L)/8110S/8110SB(L) Gigabit Ethernet> port 0xc000-0xc0ff mem 0xeb000000-0xeb0000ff irq 10 at device 9.0 on pci0
re0: Chip rev. 0x04000000
re0: MAC rev. 0x00000000
miibus0: <MII bus> on re0
rgephy0: <RTL8169S/8110S/8211B media interface> PHY 1 on miibus0
rgephy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto

fk at africanqueen ~ $pciconf -lv | grep -A 4 re0
re0 at pci0:0:9:0: class=0x020000 card=0x816910ec chip=0x816910ec rev=0x10 hdr=0x00
    vendor     = 'Realtek Semiconductor'
    device     = 'RTL8110SB Single-Chip Gigabit LOM Ethernet Controller'
    class      = network
    subclass   = ethernet

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