netdev - Re: [RFC v1 04/22] net: clarify the meaning of netdev

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Message-ID: <20250801161440.6f8aeee8@kernel.org>
Date: Fri, 1 Aug 2025 16:14:40 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Mina Almasry <almasrymina@...gle.com>
Cc: Pavel Begunkov <asml.silence@...il.com>, netdev@...r.kernel.org,
 io-uring@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>, Willem de
 Bruijn <willemb@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
 andrew+netdev@...n.ch, horms@...nel.org, davem@...emloft.net,
 sdf@...ichev.me, dw@...idwei.uk, michael.chan@...adcom.com,
 dtatulea@...dia.com, ap420073@...il.com
Subject: Re: [RFC v1 04/22] net: clarify the meaning of netdev_config
 members

On Mon, 28 Jul 2025 14:44:19 -0700 Mina Almasry wrote:
> >  struct netdev_config {
> > +       /* Direct value
> > +        *
> > +        * Driver default is expected to be fixed, and set in this struct
> > +        * at init. From that point on user may change the value. There is
> > +        * no explicit way to "unset" / restore driver default.
> > +        */  
> 
> Does the user setting hds_thres imply turning hds_config to "on"? Or
> is hds_thres only used when hds_config is actually on?

The latter.