netdev - Re: [PATCH net-next] bonding: show master index when dumping slave info

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Message-ID: <aPHvunOUhX6iYnFi@fedora>
Date: Fri, 17 Oct 2025 07:26:50 +0000
From: Hangbin Liu <liuhangbin@...il.com>
To: Nikolay Aleksandrov <razor@...ckwall.org>
Cc: netdev@...r.kernel.org, Jay Vosburgh <jv@...sburgh.net>,
	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>,
	Simon Horman <horms@...nel.org>,
	Stephen Hemminger <stephen@...workplumber.org>,
	David Ahern <dsahern@...il.com>, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net-next] bonding: show master index when dumping slave
 info

On Fri, Oct 17, 2025 at 09:10:09AM +0300, Nikolay Aleksandrov wrote:
> On 10/17/25 06:03, Hangbin Liu wrote:
> > Currently, there is no straightforward way to obtain the master/slave
> > relationship via netlink. Users have to retrieve all slaves through sysfs
> > to determine these relationships.
> > 
> 
> How about IFLA_MASTER? Why not use that?

Ah, I didn't notice this. We can show the master info directly with this...

# ip link show dummy0
3: dummy0: <BROADCAST,NOARP,SLAVE,UP,LOWER_UP> mtu 1500 qdisc noqueue master bond0 ...

Please ignore this patch.

Thanks
Hangbin