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Date: Thu, 8 Feb 2024 16:35:07 +0530
From: "Aithal, Srikanth" <sraithal@....com>
To: Heiner Kallweit <hkallweit1@...il.com>,
 Stephen Rothwell <sfr@...b.auug.org.au>, andrew@...n.ch,
 Jakub Kicinski <kuba@...nel.org>
Cc: Linux Next Mailing List <linux-next@...r.kernel.org>,
 Linux Regressions <regressions@...ts.linux.dev>,
 open list <linux-kernel@...r.kernel.org>
Subject: Re: linux-next20240208: tg3 driver nw interfaces not getting
 configured

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@...alhost ~]# 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.

>> 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@...il.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@...il.com>
>>      Reviewed-by: Andrew Lunn <andrew@...n.ch>
>>      Link: https://lore.kernel.org/r/0652b910-6bcc-421f-8769-38f7dae5037e@gmail.com
>>      Signed-off-by: Jakub Kicinski <kuba@...nel.org>
>>
>>
>> The same works fine on 6.8.0-rc3-next-20240207.
>>
>> Thanks,
>> Srikanth Aithal
>> sraithal@....com
> Heiner

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