linux-kernel - Re: [PATCH net-next 1/2] netdev-genl: Add ifname for queue and NAPI APIs

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Date: Wed, 21 Feb 2024 11:17:53 -0800
From: Joe Damato <jdamato@...tly.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	Stanislav Fomichev <sdf@...gle.com>,
	Amritha Nambiar <amritha.nambiar@...el.com>,
	Larysa Zaremba <larysa.zaremba@...el.com>,
	Lorenzo Bianconi <lorenzo@...nel.org>,
	Tariq Toukan <tariqt@...dia.com>,
	Sridhar Samudrala <sridhar.samudrala@...el.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Subject: Re: [PATCH net-next 1/2] netdev-genl: Add ifname for queue and NAPI
 APIs

On Wed, Feb 21, 2024 at 11:12:20AM -0800, Jakub Kicinski wrote:
> On Wed, 21 Feb 2024 07:57:29 -0800 Joe Damato wrote:
> >  	if (GENL_REQ_ATTR_CHECK(info, NETDEV_A_QUEUE_ID) ||
> >  	    GENL_REQ_ATTR_CHECK(info, NETDEV_A_QUEUE_TYPE) ||
> > -	    GENL_REQ_ATTR_CHECK(info, NETDEV_A_QUEUE_IFINDEX))
> > +	    GENL_REQ_ATTR_CHECK(info, NETDEV_A_QUEUE_IFINDEX) ||
> > +	    GENL_REQ_ATTR_CHECK(info, NETDEV_A_QUEUE_IFNAME))
> 
> This means user always has to provide both ifindex and ifname,
> right?

That's right. I'm OK with omitting this requirement, though. I feel like to
your earlier point on name changes, maybe ifindex is enough as far as
required params go.