linux-kernel - Re: [PATCH v2] RDMA/mana_ib: Use v2 version of cfg_rx_steer

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Message-ID: <ZHjCvuetIMDZgPgQ@nvidia.com>
Date:   Thu, 1 Jun 2023 13:09:34 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     longli@...uxonhyperv.com
Cc:     Leon Romanovsky <leon@...nel.org>,
        Ajay Sharma <sharmaajay@...rosoft.com>,
        Dexuan Cui <decui@...rosoft.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-rdma@...r.kernel.org,
        linux-hyperv@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Long Li <longli@...rosoft.com>
Subject: Re: [PATCH v2] RDMA/mana_ib: Use v2 version of cfg_rx_steer_req to
 enable RX coalescing

On Sat, May 13, 2023 at 11:18:15PM -0700, longli@...uxonhyperv.com wrote:
> From: Long Li <longli@...rosoft.com>
> 
> With RX coalescing, one CQE entry can be used to indicate multiple packets
> on the receive queue. This saves processing time and PCI bandwidth over
> the CQ.
> 
> The MANA Ethernet driver also uses the v2 version of the protocol. It
> doesn't use RX coalescing and its behavior is not changed.
> 
> Signed-off-by: Long Li <longli@...rosoft.com>
> ---
> 
> Change log
> v2: remove the definition of v1 protocol
> 
>  drivers/infiniband/hw/mana/qp.c               | 5 ++++-
>  drivers/net/ethernet/microsoft/mana/mana_en.c | 5 ++++-
>  include/net/mana/mana.h                       | 4 +++-
>  3 files changed, 11 insertions(+), 3 deletions(-)

Applied to for-next

Thanks,
Jason