Re: rge(4) RTL8126 simple testing
Adrian Chadd <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.net |
|---|---|
| Message-ID | <CAJ-VmonnAmHgUPp19qzxnnq3dj5yn7Pj5BFPwvsZaBN44Aa8Kg@mail.gmail.com> |
me and when i poke the foundation about it :) -a On Thu, 5 Mar 2026 at 09:05, Sean C. Farley <[email protected]> wrote: > > On Wed, 4 Mar 2026, Adrian Chadd wrote: > > > That's all good to know; if the vendor driver / linux driver can't > > negotiate 2.5g then we can try poking realtek directly for help. > > They're more likely to help if reproducible in these drivers. > > > > -a > > Just to make sure this is not lost: Who does the poking and prodding? > While I can do it, I have no idea where. :) > > Sean > -- > [email protected] > > > > On Wed, 4 Mar 2026 at 13:02, Sean C. Farley <[email protected]> wrote: > >> > >> On Sat, 28 Feb 2026, Sean C. Farley wrote: > >> > >>> I recently upgraded my home network using a few BrosTrend 5Gb cards > >>> (RTL8126) with 14-STABLE (1eb2beb3686c) and the latest commit > >>> (3170b35) to the GitHub repo for if_rge. It was either these cards or > >>> a couple of Intel X550-T2 cards, but less power and less heat were the > >>> deciding factors. > >>> > >>> For the most part, they seem to work very well, except that they > >>> cannot negotiate a 2500Base-T connection. They can negotiate > >>> 1000baseT and 5000Base-T. This was with two different cards > >>> connecting to two different devices. If manually set, they will try > >>> for awhile than fall-back to 1000baseT. > >>> > >>> One other oddity is that rge0 has "ClockPM disabled", but I have not > >>> looked into that. > >>> > >>> The networking hardware: > >>> - 3 BrosTrend 5Gb NIC's[1] (5Gb) > >>> - Zyxel NWA130BE[2] (2.5Gb port) > >>> - TRENDnet TEG-S591[3] (connected the NIC to its 10Gb port) > >>> - Nokia ONT XS-010X-Q[4] (10Gb port) > >>> > >>> ifconfig: > >>> rge0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 > >>> mtu 1500 > >>> options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> > >>> capabilities=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> > >>> media: Ethernet autoselect (5000Base-T <full-duplex>) > >>> status: active > >>> supported media: > >>> media autoselect > >>> media 5000Base-T mediaopt full-duplex > >>> media 5000Base-T > >>> media 2500Base-T mediaopt full-duplex > >>> media 2500Base-T > >>> media 1000baseT mediaopt full-duplex > >>> media 1000baseT > >>> media 100baseTX mediaopt full-duplex > >>> media 100baseTX > >>> media 10baseT/UTP mediaopt full-duplex > >>> media 10baseT/UTP > >>> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > >>> drivername: rge0 > >>> rge1: flags=1008943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST,LOWER_UP> > >>> metric 0 mtu 1500 > >>> options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> > >>> capabilities=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> > >>> media: Ethernet autoselect (5000Base-T <full-duplex>) > >>> status: active > >>> supported media: > >>> media autoselect > >>> media 5000Base-T mediaopt full-duplex > >>> media 5000Base-T > >>> media 2500Base-T mediaopt full-duplex > >>> media 2500Base-T > >>> media 1000baseT mediaopt full-duplex > >>> media 1000baseT > >>> media 100baseTX mediaopt full-duplex > >>> media 100baseTX > >>> media 10baseT/UTP mediaopt full-duplex > >>> media 10baseT/UTP > >>> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> > >>> drivername: rge1 > >>> rge2: flags=1008943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST,LOWER_UP> > >>> metric 0 mtu 1500 > >>> options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> > >>> capabilities=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> > >>> media: Ethernet Other (1000baseT <full-duplex>) > >>> status: active > >>> supported media: > >>> media autoselect > >>> media 5000Base-T mediaopt full-duplex > >>> media 5000Base-T > >>> media 2500Base-T mediaopt full-duplex > >>> media 2500Base-T > >>> media 1000baseT mediaopt full-duplex > >>> media 1000baseT > >>> media 100baseTX mediaopt full-duplex > >>> media 100baseTX > >>> media 10baseT/UTP mediaopt full-duplex > >>> media 10baseT/UTP > >>> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > >>> drivername: rge2 > >>> > >>> pciconf: > >>> rge0@pci0:1:0:0: class=0x020000 rev=0x01 hdr=0x00 vendor=0x10ec > >>> device=0x8126 subvendor=0x10ec subdevice=0x0123 > >>> vendor = 'Realtek Semiconductor Co., Ltd.' > >>> device = 'RTL8126 5GbE Controller' > >>> class = network > >>> subclass = ethernet > >>> bar [10] = type I/O Port, range 32, base 0xe000, size 256, enabled > >>> bar [18] = type Memory, range 64, base 0xf7600000, size 65536, enabled > >>> bar [20] = type Memory, range 64, base 0xf7610000, size 16384, enabled > >>> cap 01[40] = powerspec 3 supports D0 D1 D2 D3 current D0 > >>> cap 05[50] = MSI supports 1 message, 64 bit, vector masks enabled with 1 > >>> message > >>> cap 10[70] = PCI-Express 2 endpoint MSI 1 max data 256(512) RO > >>> max read 512 > >>> link x1(x1) speed 8.0(8.0) ASPM disabled(L0s/L1) ClockPM > >>> disabled > >>> cap 11[b0] = MSI-X supports 32 messages > >>> Table in map 0x20[0x0], PBA in map 0x20[0x800] > >>> cap 03[d0] = VPD > >>> ecap 0001[100] = AER 2 0 fatal 0 non-fatal 1 corrected > >>> ecap 0002[148] = VC 1 max VC0 > >>> ecap 0003[170] = Serial 1 01000000684ce000 > >>> ecap 0019[180] = PCIe Sec 1 lane errors 0 > >>> ecap 0017[190] = TPH Requester 1 > >>> ecap 0018[21c] = LTR 1 > >>> ecap 001e[224] = L1 PM Substates 1 > >>> ecap 000b[234] = Vendor [1] ID 0002 Rev 4 Length 256 > >>> rge1@pci0:4:0:0: class=0x020000 rev=0x01 hdr=0x00 vendor=0x10ec > >>> device=0x8126 subvendor=0x10ec subdevice=0x0123 > >>> vendor = 'Realtek Semiconductor Co., Ltd.' > >>> device = 'RTL8126 5GbE Controller' > >>> class = network > >>> subclass = ethernet > >>> bar [10] = type I/O Port, range 32, base 0xd000, size 256, enabled > >>> bar [18] = type Memory, range 64, base 0xf7500000, size 65536, enabled > >>> bar [20] = type Memory, range 64, base 0xf7510000, size 16384, enabled > >>> cap 01[40] = powerspec 3 supports D0 D1 D2 D3 current D0 > >>> cap 05[50] = MSI supports 1 message, 64 bit, vector masks enabled with 1 > >>> message > >>> cap 10[70] = PCI-Express 2 endpoint MSI 1 max data 256(512) RO > >>> max read 512 > >>> link x1(x1) speed 8.0(8.0) ASPM disabled(L0s/L1) ClockPM > >>> enabled > >>> cap 11[b0] = MSI-X supports 32 messages > >>> Table in map 0x20[0x0], PBA in map 0x20[0x800] > >>> cap 03[d0] = VPD > >>> ecap 0001[100] = AER 2 0 fatal 0 non-fatal 0 corrected > >>> ecap 0002[148] = VC 1 max VC0 > >>> ecap 0003[170] = Serial 1 01000000684ce000 > >>> ecap 0019[180] = PCIe Sec 1 lane errors 0 > >>> ecap 0017[190] = TPH Requester 1 > >>> ecap 0018[21c] = LTR 1 > >>> ecap 001e[224] = L1 PM Substates 1 > >>> ecap 000b[234] = Vendor [1] ID 0002 Rev 4 Length 256 > >>> rge2@pci0:5:0:0: class=0x020000 rev=0x01 hdr=0x00 vendor=0x10ec > >>> device=0x8126 subvendor=0x10ec subdevice=0x0123 > >>> vendor = 'Realtek Semiconductor Co., Ltd.' > >>> device = 'RTL8126 5GbE Controller' > >>> class = network > >>> subclass = ethernet > >>> bar [10] = type I/O Port, range 32, base 0xc000, size 256, enabled > >>> bar [18] = type Memory, range 64, base 0xf7400000, size 65536, enabled > >>> bar [20] = type Memory, range 64, base 0xf7410000, size 16384, enabled > >>> cap 01[40] = powerspec 3 supports D0 D1 D2 D3 current D0 > >>> cap 05[50] = MSI supports 1 message, 64 bit, vector masks enabled with 1 > >>> message > >>> cap 10[70] = PCI-Express 2 endpoint MSI 1 max data 256(512) RO > >>> max read 512 > >>> link x1(x1) speed 8.0(8.0) ASPM disabled(L0s/L1) ClockPM > >>> enabled > >>> cap 11[b0] = MSI-X supports 32 messages > >>> Table in map 0x20[0x0], PBA in map 0x20[0x800] > >>> cap 03[d0] = VPD > >>> ecap 0001[100] = AER 2 0 fatal 0 non-fatal 0 corrected > >>> ecap 0002[148] = VC 1 max VC0 > >>> ecap 0003[170] = Serial 1 01000000684ce000 > >>> ecap 0019[180] = PCIe Sec 1 lane errors 0 > >>> ecap 0017[190] = TPH Requester 1 > >>> ecap 0018[21c] = LTR 1 > >>> ecap 001e[224] = L1 PM Substates 1 > >>> ecap 000b[234] = Vendor [1] ID 0002 Rev 4 Length 256 > >>> > >>> Sean > >>> 1. https://www.brostrend.com/products/p2 > >>> 2. https://www.zyxel.com/us/en-us/products/wireless/be11000-6-stream-wifi-7-triple-radio-nebulaflex-access-point-nwa130be > >>> 3. https://www.trendnet.com/products/2_5g-10g-switches/9-port-multi-gig-switch-TEG-S591-v1 > >>> 4. https://www.nokia.com/asset/210704/ > >> > >> I have spent awhile trying different things yet cannot get these to work > >> at 2.5G. The Realtek vendor driver cannot negotiate at 2.5G nor can > >> Linux 6.18 (Arch Linux). > >> > >> Important details: > >> - FreeBSD dmesg chip rev: RTL8126_2 (0x64a00000) > >> - Forcing them to advertise only at 2.5G on Linux using ethtool results > >> in the NIC never connecting to the link partner. > >> - Register dump from ethtool shows an interesting message: > >> Unknown RealTek chip (TxConfig: 0x67a00f00) > >> - lspci snippets: > >> 05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8126 5GbE Controller [10ec:8126] (rev 01) > >> Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:0123] > >> ... > >> > >> 05:00.0 0200: 10ec:8126 (rev 01) > >> Subsystem: 10ec:0123 > >> Flags: bus master, fast devsel, latency 0, IRQ 19 > >> I/O ports at c000 [size=256] > >> Memory at f7400000 (64-bit, non-prefetchable) [size=64K] > >> Memory at f7410000 (64-bit, non-prefetchable) [size=16K] > >> Capabilities: [40] Power Management version 3 > >> Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ > >> Capabilities: [70] Express Endpoint, IntMsgNum 1 > >> Capabilities: [b0] MSI-X: Enable+ Count=32 Masked- > >> Capabilities: [d0] Vital Product Data > >> Capabilities: [100] Advanced Error Reporting > >> Capabilities: [148] Virtual Channel > >> Capabilities: [170] Device Serial Number 01-00-00-00-68-4c-e0-00 > >> Capabilities: [180] Secondary PCI Express > >> Capabilities: [190] Transaction Processing Hints > >> Capabilities: [21c] Latency Tolerance Reporting > >> Capabilities: [224] L1 PM Substates > >> Capabilities: [234] Vendor Specific Information: ID=0002 Rev=4 Len=100 <?> > >> Kernel driver in use: r8169 > >> Kernel modules: r8169 > >> - ethtool shows that the NIC claims to support and advertise > >> 2500baseT/Full while the Link partner advertises it too. > >> > >> Do these cards need more handling in the driver? Can anyone report the > >> RTL8126_2 as working for them at all supported speeds (at least 1G and > >> above)? Is there anything else I can get developers from these NICs? > >> > >> Sadly, I am out of ideas. I am currently within the 30-day return so > >> have to consider that. Otherwise, I do like them.