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Wed, 3 Jun 2020 12:33:33 +0000 Received: from AM0PR05MB6707.eurprd05.prod.outlook.com ([fe80::508:747b:cc12:5f6e]) by AM0PR05MB6707.eurprd05.prod.outlook.com ([fe80::508:747b:cc12:5f6e%5]) with mapi id 15.20.3066.018; Wed, 3 Jun 2020 12:33:33 +0000 From: Raslan Darawsheh To: Alexander Kozyrev , "dev@dpdk.org" CC: "stable@dpdk.org" , Slava Ovsiienko Thread-Topic: [PATCH] net/mlx5: fix vectorized Rx burst termination Thread-Index: AQHWOJEE13ruMfOutUu/SidypvOO66jG0Ppw Date: Wed, 3 Jun 2020 12:33:33 +0000 Message-ID: References: <1591069841-7846-1-git-send-email-akozyrev@mellanox.com> In-Reply-To: <1591069841-7846-1-git-send-email-akozyrev@mellanox.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: mellanox.com; dkim=none (message not signed) header.d=none;mellanox.com; dmarc=none action=none header.from=mellanox.com; x-originating-ip: [84.242.49.134] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 3494ce0a-a32f-4f4a-08b3-08d807ba544a x-ms-traffictypediagnostic: AM0PR05MB5668: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2803; 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x-ms-exchange-antispam-messagedata: yM8rv4LCKBlIfOrmMyFVdp1xP5e1U+G3uzsXRwCY6L1Y9aCid8qryUNoi50nXFPdSjLVnLW6oPTURyJcyWzO7aV+D6PgXAP+zEgy29AEOtaTsuRFJfQej38lTD/DrRwCBsimXILxZQVoVLHHWWy1wRteaiUuSwh8firu3qU/pTXBPTBKe4T9Hh8/hjFIpAc8duMUZ58yl34G+HqU/DDztvUrCDGS4uVkzxHoQiCvhI7yXrUosqBbHtc4sa27xzpPHz67bLJv1VPgrwsbcxLHVP3/VpR/rPRknGh+g/ao/er7wjCayBDRWo1pT9uvst6r3VYG17YSNSpMkH9a7fwMJW6q3Z9orpk4y5iupYBv1ISb+tEJNrdp+HrtI2eJFCd7VbHFJhkgSwiMMls7KPD51vkk2TEVnGnuxAOSAi0NB0CpWR6aypTfROUK0U7G8ahFhDQ01t/oUK2ICCpiszWuJCqHD/NIAgjwkY5QTM6JLZI= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3494ce0a-a32f-4f4a-08b3-08d807ba544a X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Jun 2020 12:33:33.1548 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: lyRwmcg93zLt7OUHiP7UZ3m102D3K0JIr23oIjOSUbaL5CmOMT7KIF+KsLYbgLNIMB8ogv+67VTlzynzSCrksQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR05MB5668 Subject: Re: [dpdk-stable] [PATCH] net/mlx5: fix vectorized Rx burst termination X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 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" Hi, > -----Original Message----- > From: Alexander Kozyrev > Sent: Tuesday, June 2, 2020 6:51 AM > To: dev@dpdk.org > Cc: stable@dpdk.org; Raslan Darawsheh ; Slava > Ovsiienko > Subject: [PATCH] net/mlx5: fix vectorized Rx burst termination >=20 > Maximum burst size of Vectorized Rx burst routine is set to > MLX5_VPMD_RX_MAX_BURST(64). This limits the performance of any > application that would like to gather more than 64 packets from > the single Rx burst for batch processing (i.e. VPP). >=20 > The situation gets worse with a mix of zipped and unzipped CQEs. > They are processed separately and the Rx burst function returns > small number of packets every call. >=20 > Repeat the cycle of gathering packets from the vectorized Rx routine > until a requested number of packets are collected or there are no > more CQEs left to process. >=20 > Fixes: 6cb559d67b83 ("net/mlx5: add vectorized Rx/Tx burst for x86") > Cc: stable@dpdk.org >=20 > Signed-off-by: Alexander Kozyrev > Acked-by: Slava Ovsiienko > --- > drivers/net/mlx5/mlx5_rxtx_vec.c | 19 +++++++++++++------ > drivers/net/mlx5/mlx5_rxtx_vec_altivec.h | 13 ++++++++++--- > drivers/net/mlx5/mlx5_rxtx_vec_neon.h | 13 ++++++++++--- > drivers/net/mlx5/mlx5_rxtx_vec_sse.h | 13 ++++++++++--- > 4 files changed, 43 insertions(+), 15 deletions(-) >=20 Patch applied to next-net-mlx, Kindest regards Raslan Darawsheh