netdev - Re: Fwd: r8169: unknown chip XID 6c0

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Date: Mon, 8 Apr 2024 20:49:20 +0200
From: Heiner Kallweit <hkallweit1@...il.com>
To: Евгений <octobergun@...il.com>,
 "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: Fwd: r8169: unknown chip XID 6c0

On 08.04.2024 20:35, Евгений wrote:
> Thank you for your answer.
> Apply the patch, kernel 6.8.4, ethernet works.
> 
> dmesg | grep r8169
> [    4.020210] r8169 0000:02:00.0: can't disable ASPM; OS doesn't have
> ASPM control
> [    4.033148] r8169 0000:02:00.0 eth0: RTL8168h/8111h,
> 00:e0:4c:08:93:00, XID 6c0, IRQ 130
> [    4.033154] r8169 0000:02:00.0 eth0: jumbo features [frames: 9194
> bytes, tx checksumming: ko]
> [    4.048581] r8169 0000:02:00.0 enp2s0: renamed from eth0
> [   12.854689] Generic FE-GE Realtek PHY r8169-0-200:00: attached PHY
> driver (mii_bus:phy_addr=r8169-0-200:00, irq=MAC)
> [   12.998007] r8169 0000:02:00.0 enp2s0: Link is Down
> [   15.717414] r8169 0000:02:00.0 enp2s0: Link is Up - 1Gbps/Full -
> flow control rx/tx
> 

Patch has been applied and will show up in 6.10.

> сб, 6 апр. 2024 г. в 23:15, Heiner Kallweit <hkallweit1@...il.com>:
>>
>> On 06.04.2024 12:15, Евгений wrote:
>>> Hello.
>>>
>>> lspci -v
>>> 2:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller (rev 2b)
>>> Subsystem: Realtek Semiconductor Co., Ltd. Device 0123
>>> Flags: fast devsel, IRQ 17
>>> I/O ports at 3000 [size=256]
>>> Memory at 80804000 (64-bit, non-prefetchable) [size=4K]
>>> Memory at 80800000 (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=4 Masked-
>>> Capabilities: [100] Advanced Error Reporting
>>> Capabilities: [140] Virtual Channel
>>> Capabilities: [160] Device Serial Number 01-00-00-00-68-4c-e0-00
>>> Capabilities: [170] Latency Tolerance Reporting
>>> Capabilities: [178] L1 PM Substates
>>> Kernel modules: r8169
>>>
>>> dmesg | grep r8169
>>> [1.773646] r8169 0000:02:00.0: error -ENODEV: unknown chip XID 6c0, contact r8169 maintainers (see MAINTAINERS file)
>>
>> Thanks for the report. Realtek calls this chip version RTL8168M,
>> but handling seems to be identical to RTL8168H. Could you please
>> test whether ethernet on your system works with the following patch?
>>
>>
>> diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
>> index fc8e6771e..2c91ce847 100644
>> --- a/drivers/net/ethernet/realtek/r8169_main.c
>> +++ b/drivers/net/ethernet/realtek/r8169_main.c
>> @@ -2227,6 +2227,8 @@ static enum mac_version rtl8169_get_mac_version(u16 xid, bool gmii)
>>                  * the wild. Let's disable detection.
>>                  * { 0x7cf, 0x540,      RTL_GIGA_MAC_VER_45 },
>>                  */
>> +               /* Realtek calls it RTL8168M, but it's handled like RTL8168H */
>> +               { 0x7cf, 0x6c0, RTL_GIGA_MAC_VER_46 },
>>
>>                 /* 8168G family. */
>>                 { 0x7cf, 0x5c8, RTL_GIGA_MAC_VER_44 },
>> --
>> 2.44.0
>>
>>
>