linux-kernel - Re: [PATCHv3 net 0/2] bonding: fix incorrect mac address setting

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Message-ID: <Z66a2Mgi6jkHvoVV@fedora>
Date: Fri, 14 Feb 2025 01:22:32 +0000
From: Hangbin Liu <liuhangbin@...il.com>
To: Jay Vosburgh <jv@...sburgh.net>
Cc: netdev@...r.kernel.org, Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Nikolay Aleksandrov <razor@...ckwall.org>,
	Simon Horman <horms@...nel.org>, Jianbo Liu <jianbol@...dia.com>,
	Boris Pismenny <borisp@...dia.com>,
	Tariq Toukan <tariqt@...dia.com>, Shuah Khan <shuah@...nel.org>,
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv3 net 0/2] bonding: fix incorrect mac address setting

Hi Jay,

Any comments?

Thanks
Hangbin
On Tue, Feb 11, 2025 at 07:31:32AM +0000, Hangbin Liu wrote:
> Hi Jay,
> On Sat, Feb 08, 2025 at 06:34:21AM +0000, Hangbin Liu wrote:
> > Please hold on this patch. Our QE reported that with bare NIC, the
> > backup NIC can't receive the NS messages even after joining the multicast
> > MAC group. But after remove the backup NIC from bond, the NIC interface
> > could receive the NS message.
> > 
> > This is weird, it looks the backup NIC dropped the NS message somewhere,
> > even using tcpdump (the NIC will be in promisc mode) I can't capture the
> > NS message on backup slave.
> > 
> > I need to debug more.
> 
> After debug, I find it's a driver issue. The issue exists with ice dirver NIC.
> I tried with a mlx5 NIC and the patch works good for me.
> 
> So I think you can start review this patch when you have time. I will debug
> the ice driver later.
> 
> Thanks
> Hangbin