Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Thu, 1 Jun 2023 13:09:34 -0300
From:   Jason Gunthorpe <jgg@nvidia.com>
To:     longli@linuxonhyperv.com
Cc:     Leon Romanovsky <leon@kernel.org>,
        Ajay Sharma <sharmaajay@microsoft.com>,
        Dexuan Cui <decui@microsoft.com>,
        "K. Y. Srinivasan" <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Wei Liu <wei.liu@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>, linux-rdma@vger.kernel.org,
        linux-hyperv@vger.kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, Long Li <longli@microsoft.com>
Subject: Re: [PATCH v2] RDMA/mana_ib: Use v2 version of cfg_rx_steer_req to
 enable RX coalescing
Message-ID: <ZHjCvuetIMDZgPgQ@nvidia.com>
References: <1684045095-31228-1-git-send-email-longli@linuxonhyperv.com>
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1684045095-31228-1-git-send-email-longli@linuxonhyperv.com>
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?S863O/QcevnQEqUuCG7mFDduy1hBeydw0fVw0SAh02fZIBMNYWeLn1zvtvcI?=
 =?us-ascii?Q?GcvUs7B5cKxpgBId9xBPcLpDwuFyjffyWUzxiS9uUxBNmUP2kS/QhvY4E79/?=
 =?us-ascii?Q?oE39dZO8Ql27SGpVJIr+XxWDw5tIqpbLSIxxkFo+8sDpka2WmEQLDO1d42ti?=
 =?us-ascii?Q?eoOvCneylobqJ6HGu9bJ5yrUAOic1l4w5IMRRrKBa9czFDVC5i7gNmV+zCKu?=
 =?us-ascii?Q?5FIpon8LeqDt/j5oro8TN0Xc7/R1DRTtaRVxg6lTnv2ZGICVkPpoAQPmTi1I?=
 =?us-ascii?Q?nZTel9e2lLNEmzBaZ7GtI61EOzQtkvnbr3SCdmmMWtTl9wJ0yM99oVyDnRc/?=
 =?us-ascii?Q?4wMt3S1PsqiaRtYCpRdToUPFDg/lPl6DjTwo738fsp8GO+MtmBI0FvUXFqJL?=
 =?us-ascii?Q?LzfsGWtpUjqsy+X2a4kEc4BsQk5qMZr3TY+hyzfDTK1kAZapM25eHRptJuRL?=
 =?us-ascii?Q?CXD5nv/5B9C6wcv9SEiM2t+diO+A6ZTGbowWP1GzpfTngz4Qu2/LxFi3lN7H?=
 =?us-ascii?Q?EqUFf++NBjnCvCQ27kF/ToeFjYnc1sXKNuA7B7dM9Y7KytOX0i6TqmFaeThh?=
 =?us-ascii?Q?HSUy+Kb0RWX6e7u13RelmwMiNHaI0vC3c8NMyF2t0n4yJbba8+d0jA3p9Tlb?=
 =?us-ascii?Q?TH0K2sa/IRKqX4VyzGm5S7lcEDFUk1rXg5PdD8l2wzaXnaS9fLwu1wiBm043?=
 =?us-ascii?Q?GvTXLz41I/LvAEXn/Iwve4myQo12S/yEAmxDAfsoU2qKBMcw4zIpnYcr0dES?=
 =?us-ascii?Q?CLeyAcdG2ehbL33CeBcjJFToVeUU7TXSdRshOiirDwe3VaZX3YUWzbnjocvV?=
 =?us-ascii?Q?OsmvGxCiL1YxRSdSFKV6+JZ/AzZVrQ2XwS6H17j2CiV2SgbWhNFpMUkR80/g?=
 =?us-ascii?Q?2Oxknfs+M2A/5A8617sNrXA9Ell66k9rJSZx7sPsvYkZ0DBTErQOkEtH0A75?=
 =?us-ascii?Q?Zatn9JYigPjtEsws3CdprttPsEPKyBlyMBOiN/Mx90A09OnriY2y1sg7Tadw?=
 =?us-ascii?Q?ukWRTNE1IEdEs3NX7W2GHR+Vl0d2b87+hDJ9zjD91WD+ycN12S+l0hjeAuQx?=
 =?us-ascii?Q?8e8aP+X9R9xdMiatSNFmkcamqRyEp3roFat6hr1V02b5AjAhd7GwjcuJG0po?=
 =?us-ascii?Q?FyAvdY3k28uWpFN0tl30cN6q0Hf1LlDAJ2vrpLGnJkVJBlFnSbOUAme4Q1Nz?=
 =?us-ascii?Q?8HiP+nshuSM+7qjfRfY9JesokVrSL4C3TJtsQfNIxl2GGvTnQgs5Te7nsXH/?=
 =?us-ascii?Q?i5E6YwhWgw1x7ys38rqqnGNylRV2kPmrEyh7Botn6wO5O5Gh3AVUg2nvPJDz?=
 =?us-ascii?Q?uY9ZSh+ytlQdA4VwKpb7rOGgo5eb1cfQAUOOR3K0b8JYxMmZrgP/T+nv0BX3?=
 =?us-ascii?Q?P+pozWuayQAIfl93Nq8FyAwQCQTh5N/OS4jzcAv3akKKxfWHZGbeEWe+YTt4?=
 =?us-ascii?Q?vakjRNAlAr8tPBR7jZUQ+slSRbf1HxLH2Om3UBvRYJxqq8SrSoe+gz4klswU?=
 =?us-ascii?Q?zIAyx8Mc05cC/oMqzYCrYsNbRBeDuwPlX/Fx++f5jpNK8pagzA9/Xy1pGsFX?=
 =?us-ascii?Q?20I6rb+iNN8ICPb9x8a/2BPvxxwYjov5mfpL6APM?=
X-OriginatorOrg: Nvidia.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 2c40e9cb-6822-4ddd-37c4-08db62ba98cb
X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Jun 2023 16:09:37.1987
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: 6auVrX/HbvJLeClGsFfM8HwdjwrYqgOIAg551OfrVQtds19MNTSTNU7Gpmr9B9UK
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB8176
X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
        DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,
        RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,
        T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Sat, May 13, 2023 at 11:18:15PM -0700, longli@linuxonhyperv.com wrote:
> From: Long Li <longli@microsoft.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@microsoft.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