From: Mina Almasry <almasrymina@google.com>
To: Pavel Begunkov <asml.silence@gmail.com>
Cc: Jakub Kicinski <kuba@kernel.org>,
netdev@vger.kernel.org, Eric Dumazet <edumazet@google.com>,
Willem de Bruijn <willemb@google.com>,
Paolo Abeni <pabeni@redhat.com>,
andrew+netdev@lunn.ch, horms@kernel.org, davem@davemloft.net,
sdf@fomichev.me, dw@davidwei.uk, michael.chan@broadcom.com,
dtatulea@nvidia.com, ap420073@gmail.com,
linux-kernel@vger.kernel.org, io-uring@vger.kernel.org
Subject: Re: [PATCH net-next v3 04/23] net: use zero value to restore rx_buf_len to default
Date: Mon, 18 Aug 2025 17:07:06 -0700 [thread overview]
Message-ID: <CAHS8izO_ivHDO_i9oxKZh672i6GSWeDOjB=wzGGa00HjA7Zt7Q@mail.gmail.com> (raw)
In-Reply-To: <d36305d654e82045aff0547cb94521211245ed2c.1755499376.git.asml.silence@gmail.com>
On Mon, Aug 18, 2025 at 6:56 AM Pavel Begunkov <asml.silence@gmail.com> wrote:
>
> From: Jakub Kicinski <kuba@kernel.org>
>
> Distinguish between rx_buf_len being driver default vs user config.
> Use 0 as a special value meaning "unset" or "restore driver default".
> This will be necessary later on to configure it per-queue, but
> the ability to restore defaults may be useful in itself.
>
> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
I wonder if it should be extended to the other driver using
rx_buf_len, hns3. For that, I think the default buf size would be
HNS3_DEFAULT_RX_BUF_LEN.
Other than that, seems fine to me,
Reviewed-by: Mina Almasry <almasrymina@google.com>
--
Thanks,
Mina
next prev parent reply other threads:[~2025-08-19 0:07 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-18 13:57 [PATCH net-next v3 00/23][pull request] Queue configs and large buffer providers Pavel Begunkov
2025-08-18 13:57 ` [PATCH net-next v3 01/23] net: page_pool: sanitise allocation order Pavel Begunkov
2025-08-18 23:33 ` Mina Almasry
2025-08-19 15:53 ` Pavel Begunkov
2025-08-18 13:57 ` [PATCH net-next v3 02/23] docs: ethtool: document that rx_buf_len must control payload lengths Pavel Begunkov
2025-08-18 23:50 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 03/23] net: ethtool: report max value for rx-buf-len Pavel Begunkov
2025-08-19 0:00 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 04/23] net: use zero value to restore rx_buf_len to default Pavel Begunkov
2025-08-19 0:07 ` Mina Almasry [this message]
2025-08-19 15:52 ` Pavel Begunkov
2025-08-19 19:27 ` Mina Almasry
2025-08-20 11:53 ` Pavel Begunkov
2025-08-18 13:57 ` [PATCH net-next v3 05/23] net: clarify the meaning of netdev_config members Pavel Begunkov
2025-08-19 1:46 ` Mina Almasry
2025-08-20 12:04 ` Pavel Begunkov
2025-08-18 13:57 ` [PATCH net-next v3 06/23] net: add rx_buf_len to netdev config Pavel Begunkov
2025-08-19 19:32 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 07/23] eth: bnxt: read the page size from the adapter struct Pavel Begunkov
2025-08-19 19:37 ` Mina Almasry
2025-08-20 13:43 ` Pavel Begunkov
2025-08-18 13:57 ` [PATCH net-next v3 08/23] eth: bnxt: set page pool page order based on rx_page_size Pavel Begunkov
2025-08-19 19:43 ` Mina Almasry
2025-08-20 13:51 ` Pavel Begunkov
2025-08-25 6:09 ` Somnath Kotur
2025-08-18 13:57 ` [PATCH net-next v3 09/23] eth: bnxt: support setting size of agg buffers via ethtool Pavel Begunkov
2025-08-19 20:10 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 10/23] net: move netdev_config manipulation to dedicated helpers Pavel Begunkov
2025-08-19 20:15 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 11/23] net: reduce indent of struct netdev_queue_mgmt_ops members Pavel Begunkov
2025-08-18 13:57 ` [PATCH net-next v3 12/23] net: allocate per-queue config structs and pass them thru the queue API Pavel Begunkov
2025-08-19 21:29 ` Mina Almasry
2025-08-20 1:32 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 13/23] net: pass extack to netdev_rx_queue_restart() Pavel Begunkov
2025-08-19 21:30 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 14/23] net: add queue config validation callback Pavel Begunkov
2025-08-19 21:54 ` Mina Almasry
2025-08-20 1:31 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 15/23] eth: bnxt: always set the queue mgmt ops Pavel Begunkov
2025-08-19 21:57 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 16/23] eth: bnxt: store the rx buf size per queue Pavel Begunkov
2025-08-25 6:24 ` Somnath Kotur
2025-08-18 13:57 ` [PATCH net-next v3 17/23] eth: bnxt: adjust the fill level of agg queues with larger buffers Pavel Begunkov
2025-08-18 13:57 ` [PATCH net-next v3 18/23] netdev: add support for setting rx-buf-len per queue Pavel Begunkov
2025-08-19 22:36 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 19/23] net: wipe the setting of deactived queues Pavel Begunkov
2025-08-19 22:49 ` Mina Almasry
2025-08-18 13:57 ` [PATCH net-next v3 20/23] eth: bnxt: use queue op config validate Pavel Begunkov
2025-08-18 13:57 ` [PATCH net-next v3 21/23] eth: bnxt: support per queue configuration of rx-buf-len Pavel Begunkov
2025-08-18 13:57 ` [PATCH net-next v3 22/23] net: let pp memory provider to specify rx buf len Pavel Begunkov
2025-08-18 13:57 ` [PATCH net-next v3 23/23] net: validate driver supports passed qcfg params Pavel Begunkov
2025-08-18 13:59 ` [PATCH net-next v3 00/23][pull request] Queue configs and large buffer providers Pavel Begunkov
2025-08-20 2:31 ` Jakub Kicinski
2025-08-20 13:39 ` Pavel Begunkov
2025-08-20 13:59 ` Mina Almasry
2025-08-21 1:26 ` Jakub Kicinski
2025-08-21 1:37 ` Jakub Kicinski
2025-08-21 15:04 ` Pavel Begunkov
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