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Message-ID: <47987433-7d56-483e-a0fc-38140cc17448@gmail.com>
Date: Thu, 8 Feb 2024 15:02:34 +0100
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Subject: Re: linux-next20240208: tg3 driver nw interfaces not getting
 configured
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To: "Aithal, Srikanth" <sraithal@amd.com>,
 Stephen Rothwell <sfr@canb.auug.org.au>, andrew@lunn.ch,
 Jakub Kicinski <kuba@kernel.org>
Cc: Linux Next Mailing List <linux-next@vger.kernel.org>,
 Linux Regressions <regressions@lists.linux.dev>,
 open list <linux-kernel@vger.kernel.org>
References: <20240208155740.24c6ada7@canb.auug.org.au>
 <ce7150b7-b6f1-4635-ba5f-fdfda84a6e2f@amd.com>
 <fd72544a-f3ed-44bb-86e3-bdfa4fca720e@gmail.com>
 <8a59f072-4a71-4662-bfde-308b81e4ce88@amd.com>
From: Heiner Kallweit <hkallweit1@gmail.com>
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In-Reply-To: <8a59f072-4a71-4662-bfde-308b81e4ce88@amd.com>
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On 08.02.2024 12:05, Aithal, Srikanth wrote:
> On 2/8/2024 4:16 PM, Heiner Kallweit wrote:
>> On 08.02.2024 09:30, Aithal, Srikanth wrote:
>>> Hi,
>>>
>>> On 6.8.0-rc3-next-20240208, the network interfaces are not getting configured.
>>>
>> Thanks for the report. Could you please elaborate on what "not getting
>> configured" means in detail?
>> - Any error in any log?
>> - Any other error message?
>> - Interface doesn't come up or which specific configuration are you missing?
>>
> I am not seeing any errors in the dmesg,
> 
> [    4.019383] tg3 0000:c1:00.0 eth0: Tigon3 [partno(BCM95720) rev 5720000] (PCI Express) MAC address d0:8e:79:bb:95:90
> [    4.019391] tg3 0000:c1:00.0 eth0: attached PHY is 5720C (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[1])
> [    4.019394] tg3 0000:c1:00.0 eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] TSOcap[1]
> [    4.019397] tg3 0000:c1:00.0 eth0: dma_rwctrl[00000001] dma_mask[64-bit]
> [    4.041082] tg3 0000:c1:00.1 eth1: Tigon3 [partno(BCM95720) rev 5720000] (PCI Express) MAC address d0:8e:79:bb:95:91
> [    4.041087] tg3 0000:c1:00.1 eth1: attached PHY is 5720C (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[1])
> [    4.041090] tg3 0000:c1:00.1 eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] TSOcap[1]
> [    4.041092] tg3 0000:c1:00.1 eth1: dma_rwctrl[00000001] dma_mask[64-bit]
> [    4.077483] tg3 0000:c1:00.1 eno8403: renamed from eth1
> [    4.124657] tg3 0000:c1:00.0 eno8303: renamed from eth0
> 
> nmcli says interfaces are disconnected:
> 
> [root@localhost ~]# nmcli
> eno8303: disconnected
>         "Broadcom and subsidiaries NetXtreme BCM5720"
>         ethernet (tg3), D0:8E:79:BB:95:90, hw, mtu 1500
> 
> eno8403: disconnected
>         "Broadcom and subsidiaries NetXtreme BCM5720"
>         ethernet (tg3), D0:8E:79:BB:95:91, hw, mtu 1500
> 
> I am attaching host dmesg.
> 

Thanks. dmesg lists no error. Please send output from the following commands.

ip link
ethtool <if>
ethtool --show-eee <if>

If the interfaces aren't up, please try to bring them up manually and see what happens.
ip link set <if> up


>>> I have 'NetXtreme BCM5720 Gigabit Ethernet PCIe'
>>>         configuration: autonegotiation=on broadcast=yes driver=tg3
>>>
>>> If I revert below commit I am able to get back the interfaces mentioned.
>>>
>>> commit 9bc791341bc9a5c22b94889aa37993bb69faa317
>>> Author: Heiner Kallweit <hkallweit1@gmail.com>
>>> Date:   Sat Feb 3 22:12:50 2024 +0100
>>>
>>>      tg3: convert EEE handling to use linkmode bitmaps
>>>
>>>      Convert EEE handling to use linkmode bitmaps. This prepares for
>>>      removing the legacy bitmaps from struct ethtool_keee.
>>>      No functional change intended.
>>>
>>>      Note: The change to mii_eee_cap1_mod_linkmode_t(tp->eee.advertised, val)
>>>      in tg3_phy_autoneg_cfg() isn't completely obvious, but it doesn't change
>>>      the current functionality.
>>>
>>>      Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
>>>      Reviewed-by: Andrew Lunn <andrew@lunn.ch>
>>>      Link: https://lore.kernel.org/r/0652b910-6bcc-421f-8769-38f7dae5037e@gmail.com
>>>      Signed-off-by: Jakub Kicinski <kuba@kernel.org>
>>>
>>>
>>> The same works fine on 6.8.0-rc3-next-20240207.
>>>
>>> Thanks,
>>> Srikanth Aithal
>>> sraithal@amd.com
>> Heiner