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a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1603704581; bh=aeJTDmx089UYE31ARVhvIJQxa4n9Y2JLjT/BitXCuHA=; h=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-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=Uz37/AT2D/zjrwR3dbIVh4zw17xr7sF1o0xZUTFza/Eq+UdZCbksuEkAXOTtPyUyQ V7djxBPJxHKNcJvuh5fNaQeLgSa7M7q6VVBWeuOg4/Ei009VTub0KTzitk4vJSERMa EF4edwEE7ec23Opn5oPWj1o/He8ExeEsGfwo7dvhycWTsn3cIKmjHVXExjSODYaM/W IvZRK3v7yq/57htvBIrJdo2038xt5+PJdhsJn7tYCGRniGIDPfrrFKxqR6sx1RmqpQ t/B5omhxivOcS+xVPJaFzeISZs01pX73l+RmhJTL77N4II2UHclalhx7qyU8aMT/bM Am1+of88hxf7w== Subject: Re: [dpdk-dev] [PATCH v2 3/6] net/mlx5: add support to get hairpin peer ports X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" > -----Original Message----- > From: Bing Zhao > Sent: Thursday, October 22, 2020 17:07 > To: viacheslavo@mellanox.com; matan@mellanox.com > Cc: dev@dpdk.org; Ori Kam ; Raslan Darawsheh > > Subject: [PATCH v2 3/6] net/mlx5: add support to get hairpin peer ports >=20 > In real-life business, one device could be attached and detached dynamica= lly. > The hairpin configuration of this port to/from all the other ports should= be > enabled and disabled accordingly. >=20 > The RTE ethdev lib and PMD should provide this ability to get the peer po= rts > list in case that the application doesn't save it. It is recommended that= the size > of the array to save the port IDs is as large as the "RTE_MAX_ETHPORTS" t= o > have the maximal capacity. >=20 > The order of the peer port IDs may be different from that during hairpin > queues set in the initialization stage. The peer port ID could be the sam= e as the > current device port ID when the hairpin peer ports contain itself - the s= ingle > port hairpin. >=20 > The application should check the ports' status and decide if the peer por= t > should be bound / unbound when starting / stopping the current device. >=20 > Signed-off-by: Bing Zhao Acked-by: Viacheslav Ovsiienko > --- > drivers/net/mlx5/linux/mlx5_os.c | 2 + > drivers/net/mlx5/mlx5.h | 2 + > drivers/net/mlx5/mlx5_trigger.c | 89 > ++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 93 insertions(+) >=20