Realtek re(4) driver

[Borja Marcos]

> On 11 Apr 2018, at 19:34, Allan Jude <allanjude at freebsd.org> wrote:
> 
> I think it would be useful to collect the 'pciconf -lv' output of the
> re(4) devices that have issues, so they can be differentiated from the
> ones that work fine.

There we go. The machine is an Intel NUC6CAYB. Yep, sounds stupid. Intel using Realtek Ethernet chips. Sigh.

re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port 0xe000-0xe
0ff mem 0x91104000-0x91104fff,0x91100000-0x91103fff at device 0.0 on pci3
re0: Using 1 MSI-X message
re0: turning off MSI enable bit.
re0: Chip rev. 0x54000000
re0: MAC rev. 0x00100000
miibus0: <MII bus> on re0
rgephy0: <RTL8251 1000BASE-T media interface> PHY 1 on miibus0
rgephy0:  none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX, 100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT-FDX, 1000baseT-FDX-master, 1000baseT-FDX-flow, 1000baseT-FDX-flow-master, auto, auto-flow
re0: Using defaults for TSO: 65518/35/2048
re0: Ethernet address: 94:c6:91::

re0 at pci0:3:0:0:	class=0x020000 card=0x20678086 chip=0x816810ec rev=0x15 hdr=0x00
    vendor     = 'Realtek Semiconductor Co., Ltd.'
    device     = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
    class      = network
    subclass   = ethernet


What I’ve observed is crazy packet loss and round trip times especially when running an iSCSI initiator with a lot
of filesystem activity.







Borja.

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