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Wed, 3 Mar 2021 13:59:17 +0000 From: Slava Ovsiienko To: Matan Azrad , "dev@dpdk.org" CC: "stable@dpdk.org" Thread-Topic: [PATCH 4/4] net/mlx5: fix imissed statistics Thread-Index: AQHXC2N02nhx/GRTrU+mQHf3RrzuvKpyU/fQ Date: Wed, 3 Mar 2021 13:59:17 +0000 Message-ID: References: <1614249901-307665-1-git-send-email-matan@nvidia.com> <1614249901-307665-5-git-send-email-matan@nvidia.com> In-Reply-To: <1614249901-307665-5-git-send-email-matan@nvidia.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: nvidia.com; dkim=none (message not signed) header.d=none;nvidia.com; dmarc=none action=none header.from=nvidia.com; x-originating-ip: [95.164.10.10] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 2ae17f37-3b43-4ad4-7589-08d8de4c8976 x-ms-traffictypediagnostic: DM6PR12MB3225: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-header: ProcessedBy-CMR-outbound x-ms-oob-tlc-oobclassifiers: OLM:7691; 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a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1614779962; bh=Pr+j/1HCx7iTGPLrhippw36sEG5xjSlRnHQQ9lQHl+k=; h=X-PGP-Universal:ARC-Seal:ARC-Message-Signature: ARC-Authentication-Results:From:To:CC:Subject:Thread-Topic: Thread-Index:Date:Message-ID:References:In-Reply-To: Accept-Language:Content-Language:X-MS-Has-Attach: X-MS-TNEF-Correlator:authentication-results:x-originating-ip: x-ms-publictraffictype:x-ms-office365-filtering-correlation-id: x-ms-traffictypediagnostic:x-ms-exchange-transport-forked: x-microsoft-antispam-prvs:x-header:x-ms-oob-tlc-oobclassifiers: x-ms-exchange-senderadcheck:x-microsoft-antispam: x-microsoft-antispam-message-info:x-forefront-antispam-report: x-ms-exchange-antispam-messagedata:Content-Type: Content-Transfer-Encoding:MIME-Version: X-MS-Exchange-CrossTenant-AuthAs: X-MS-Exchange-CrossTenant-AuthSource: X-MS-Exchange-CrossTenant-Network-Message-Id: X-MS-Exchange-CrossTenant-originalarrivaltime: X-MS-Exchange-CrossTenant-fromentityheader: X-MS-Exchange-CrossTenant-id:X-MS-Exchange-CrossTenant-mailboxtype: X-MS-Exchange-CrossTenant-userprincipalname: X-MS-Exchange-Transport-CrossTenantHeadersStamped:X-OriginatorOrg; b=RgqzntwmY0BuG9FSyNIf4RIfApS0UQb6a+UueY+ye1iTtn+cM3/n6D0nsnDArEj05 MuHut3b7LIIscyN2fDUgf9VWXSiZeu+SFH2fbMblM83yDRIP3ISaA3kVikam6KKZlb 7GbwR/9ltfBJYRXM3mXiwgb8BYFJ0M5nVSW/o+A7FVEQJk7qkBHk1v7IhVv1bvik3w RrGEO8hmKwNJtRavPNdOkynG34JZBT5dKLUG4gp8H+1Uox989iD4xgMJuTa5Owsq02 utaDXBDoZZTEskB4k21Mn9vc5dBHiYFDNcjoLDjNgGJxSjT4CRKoDfYm/TX0nVB3wU yBHTIoRNUkkaQ== Subject: Re: [dpdk-stable] [PATCH 4/4] net/mlx5: fix imissed statistics X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" > -----Original Message----- > From: Matan Azrad > Sent: Thursday, February 25, 2021 12:45 > To: dev@dpdk.org > Cc: Slava Ovsiienko ; stable@dpdk.org > Subject: [PATCH 4/4] net/mlx5: fix imissed statistics >=20 > The imissed port statistic counts packets that were dropped by the device= Rx > queues. >=20 > In mlx5, the imissed counter summarizes 2 counters: > - packets dropped by the SW queue handling counted by SW. > - packets dropped by the HW queues due to "out of buffer" events > detected when no SW buffer is available for the incoming > packets. >=20 > There is HW counter object that should be created per device, and all the= Rx > queues should be assigned to this counter in configuration time. >=20 > This part was missed when the Rx queues were created by DevX what > remained the "out of buffer" counter clean forever in this case. >=20 > Add 2 options to assign the DevX Rx queues to queue counter: > - Create queue counter per device by DevX and assign all the > queues to it. > - Query the kernel counter and assign all the queues to it. >=20 > Use the first option by default and if it is failed, fallback to the seco= nd option. >=20 > Fixes: e79c9be91515 ("net/mlx5: support Rx hairpin queues") > Fixes: dc9ceff73c99 ("net/mlx5: create advanced RxQ via DevX") > Cc: stable@dpdk.org >=20 > Signed-off-by: Matan Azrad Acked-by: Viacheslav Ovsiienko