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Message-ID: <8aabc426-4dd2-43ce-bb79-9aef43eb1ac2@ti.com>
Date: Thu, 4 Jul 2024 15:29:17 +0530
From: MD Danish Anwar <danishanwar@...com>
To: Roger Quadros <rogerq@...nel.org>,
"David S. Miller"
<davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
<kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Siddharth Vadapalli
<s-vadapalli@...com>,
Julien Panis <jpanis@...libre.com>
CC: Simon Horman <horms@...nel.org>, Andrew Lunn <andrew@...n.ch>,
<srk@...com>, <vigneshr@...com>, pekka Varis <p-varis@...com>,
<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-omap@...r.kernel.org>
Subject: Re: [PATCH net-next v3 0/6] net: ethernet: ti: am65-cpsw: Add multi
queue RX support
On 03/07/24 7:21 pm, Roger Quadros wrote:
> Hi,
>
> am65-cpsw can support up to 8 queues at Rx. So far we have
> been using only one queue (i.e. default flow) for all RX traffic.
>
> This series adds multi-queue support. The driver starts with
> 1 RX queue by default. User can increase the RX queues via ethtool,
> e.g. 'ethtool -L ethx rx <N>'
>
> The series also adds regmap and regfield support to some of the
> ALE registers. It adds Policer/Classifier registers and fields.
>
> Converting the existing ALE control APIs to regfields can be a separate
> exercise.
>
> Some helper functions are added to read/write to the Policer/Classifier
> registers and a default Classifier setup function is added that
> routes packets based on their PCP/DSCP priority to different RX queues.
>
> Signed-off-by: Roger Quadros <rogerq@...nel.org>
> ---
> Changes in v3:
> - code style fixes
> - squashed patches 5 and 6
> - added comment about priority to thread mapping table.
> - Added Reviewed-by Simon Horman.
> - Link to v2: https://lore.kernel.org/r/20240628-am65-cpsw-multi-rx-v2-0-c399cb77db56@kernel.org
>
> Changes in v2:
> - rebase to net/next
> - fixed RX stall issue during iperf
> - Link to v1: https://lore.kernel.org/r/20240606-am65-cpsw-multi-rx-v1-0-0704b0cb6fdc@kernel.org
>
> ---
> Roger Quadros (6):
> net: ethernet: ti: am65-cpsw: Introduce multi queue Rx
> net: ethernet: ti: cpsw_ale: use regfields for ALE registers
> net: ethernet: ti: cpsw_ale: use regfields for number of Entries and Policers
> net: ethernet: ti: cpsw_ale: add Policer and Thread control register fields
> net: ethernet: ti: cpsw_ale: add policer/classifier helpers and setup defaults
> net: ethernet: ti: am65-cpsw: setup priority to flow mapping
>
> drivers/net/ethernet/ti/am65-cpsw-ethtool.c | 62 +++--
> drivers/net/ethernet/ti/am65-cpsw-nuss.c | 370 ++++++++++++++++------------
> drivers/net/ethernet/ti/am65-cpsw-nuss.h | 36 +--
> drivers/net/ethernet/ti/cpsw_ale.c | 287 +++++++++++++++++++--
> drivers/net/ethernet/ti/cpsw_ale.h | 62 ++++-
> 5 files changed, 609 insertions(+), 208 deletions(-)
> ---
> base-commit: 84562f9953ec5f91a4922baa2bd4f2d4f64fac31
> change-id: 20240606-am65-cpsw-multi-rx-fb6cf8dea5eb
>
> Best regards,
For this series,
Reviewed-by: MD Danish Anwar <danishanwar@...com>
--
Thanks and Regards,
Danish
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