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From: Jakub Kicinski <kuba@kernel.org>
To: Daniel Borkmann <daniel@iogearbox.net>
Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, davem@davemloft.net,
	razor@blackwall.org, pabeni@redhat.com, willemb@google.com,
	sdf@fomichev.me, john.fastabend@gmail.com, martin.lau@kernel.org,
	jordan@jrife.io, maciej.fijalkowski@intel.com,
	magnus.karlsson@intel.com, David Wei <dw@davidwei.uk>
Subject: Re: [PATCH net-next 07/20] net, ethtool: Disallow mapped real rxqs to be resized
Date: Mon, 22 Sep 2025 18:38:42 -0700	[thread overview]
Message-ID: <20250922183842.09c7b465@kernel.org> (raw)
In-Reply-To: <20250922183449.40abf449@kernel.org>

On Mon, 22 Sep 2025 18:34:49 -0700 Jakub Kicinski wrote:
> On Fri, 19 Sep 2025 23:31:40 +0200 Daniel Borkmann wrote:
> > Similar to AF_XDP, do not allow queues in a physical netdev to be
> > resized by ethtool -L when they are peered.  
> 
> I think we need the same thing for the ioctl path.
> Let's factor the checks out to a helper in net/ethtool/common.c ?

And/or add a helper to check if an Rx Queue is "busy" (af_xdp || mp ||
peer'ed) cause we seem to be checking those three things in multiple
places.

  reply	other threads:[~2025-09-23  1:38 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-19 21:31 [PATCH net-next 00/20] netkit: Support for io_uring zero-copy and AF_XDP Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 01/20] net, ynl: Add bind-queue operation Daniel Borkmann
2025-09-22 16:04   ` Stanislav Fomichev
2025-09-22 16:13     ` Daniel Borkmann
2025-09-23  1:17   ` Jakub Kicinski
2025-09-23 16:13     ` David Wei
2025-09-19 21:31 ` [PATCH net-next 02/20] net: Add peer to netdev_rx_queue Daniel Borkmann
2025-09-23  1:22   ` Jakub Kicinski
2025-09-23 15:56     ` David Wei
2025-09-19 21:31 ` [PATCH net-next 03/20] net: Add ndo_queue_create callback Daniel Borkmann
2025-09-22 16:04   ` Stanislav Fomichev
2025-09-22 16:14     ` Daniel Borkmann
2025-09-23 15:58     ` David Wei
2025-09-23  1:22   ` Jakub Kicinski
2025-09-23 15:58     ` David Wei
2025-09-19 21:31 ` [PATCH net-next 04/20] net: Add ndo_{peer,unpeer}_queues callback Daniel Borkmann
2025-09-23  1:23   ` Jakub Kicinski
2025-09-23 16:06     ` David Wei
2025-09-23 16:26       ` Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 05/20] net, ynl: Implement netdev_nl_bind_queue_doit Daniel Borkmann
2025-09-22 16:06   ` Stanislav Fomichev
2025-09-23  1:26     ` Jakub Kicinski
2025-09-23 16:06       ` David Wei
2025-09-19 21:31 ` [PATCH net-next 06/20] net, ynl: Add peer info to queue-get response Daniel Borkmann
2025-09-23  1:32   ` Jakub Kicinski
2025-09-23 16:08     ` David Wei
2025-09-19 21:31 ` [PATCH net-next 07/20] net, ethtool: Disallow mapped real rxqs to be resized Daniel Borkmann
2025-09-23  1:34   ` Jakub Kicinski
2025-09-23  1:38     ` Jakub Kicinski [this message]
2025-09-23 16:08       ` David Wei
2025-09-19 21:31 ` [PATCH net-next 08/20] net: Proxy net_mp_{open,close}_rxq for mapped queues Daniel Borkmann
2025-09-22 16:35   ` Stanislav Fomichev
2025-09-19 21:31 ` [PATCH net-next 09/20] xsk: Move NETDEV_XDP_ACT_ZC into generic header Daniel Borkmann
2025-09-22 15:59   ` Maciej Fijalkowski
2025-09-19 21:31 ` [PATCH net-next 10/20] xsk: Move pool registration into single function Daniel Borkmann
2025-09-22 16:01   ` Maciej Fijalkowski
2025-09-22 16:15     ` Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 11/20] xsk: Add small helper xp_pool_bindable Daniel Borkmann
2025-09-22 16:03   ` Maciej Fijalkowski
2025-09-22 16:17     ` Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 12/20] xsk: Change xsk_rcv_check to check netdev/queue_id from pool Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 13/20] xsk: Proxy pool management for mapped queues Daniel Borkmann
2025-09-22 16:48   ` Stanislav Fomichev
2025-09-22 17:01     ` Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 14/20] netkit: Add single device mode for netkit Daniel Borkmann
2025-09-27  1:10   ` Jordan Rife
2025-09-29  7:55     ` Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 15/20] netkit: Document fast vs slowpath members via macros Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 16/20] netkit: Implement rtnl_link_ops->alloc Daniel Borkmann
2025-09-27  1:17   ` Jordan Rife
2025-09-29  7:50     ` Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 17/20] netkit: Implement ndo_queue_create Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 18/20] netkit: Add io_uring zero-copy support for TCP Daniel Borkmann
2025-09-22  3:17   ` zf
2025-09-22 16:23     ` Daniel Borkmann
2025-09-19 21:31 ` [PATCH net-next 19/20] netkit: Add xsk support for af_xdp applications Daniel Borkmann
2025-09-23 11:42   ` Toke Høiland-Jørgensen
2025-09-24 10:41     ` Daniel Borkmann
2025-09-26  8:55       ` Toke Høiland-Jørgensen
2025-09-19 21:31 ` [PATCH net-next 20/20] tools, ynl: Add queue binding ynl sample application Daniel Borkmann
2025-09-22 17:09   ` Stanislav Fomichev
2025-09-23 16:12     ` David Wei
2025-09-22 12:05 ` [PATCH net-next 00/20] netkit: Support for io_uring zero-copy and AF_XDP Nikolay Aleksandrov
2025-09-23  1:59 ` Jakub Kicinski

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