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FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 10jG9EpaOgzNodWaT9rXazM1vWrTIZ/lI4DjDO9HMlXx11dVkADCKgQX9bkU5LmrqTz5uSDfjG1UJomya713luY32nyT7clfu84d1/NhKH+yjL+tT8kgIPSKPNFOxzXD3G92b36RMCMEW05mcwT7wPHymmlP6Wp4YfEIol+ZgwbQ4KkcjuRcbjEL0erUBOekvJmbynnQ7e9vq69zwYencOk5NeMO/OjdVNuOJ/AzIXlA5OKEo9pJ0ovullOBk1xUZoxDwk+iao4UsyWTgWMoB4gEA5WkUHbIgklKiy0nYiVHmV0UGcwCsVPxwVP+dBZRlA0ITROXoxv0bM9ohm+w/X8hqTvnLW6rDkYyVJsUaEFB63fWH7gnSHxvTl3IfFr/DPM6IZROu97xTVaVTzgGQl/UuSNUzwJ7Iyt9aTAgnQg= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 37949000-8bb5-4017-e2c7-08d6c42f5a39 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Apr 2019 18:54:57.4443 (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-Transport-CrossTenantHeadersStamped: AM6PR0502MB4055 Subject: Re: [dpdk-dev] [PATCH v2] net/mlx5: add support for PF representor 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" Message-ID: <20190418185457.ptzrtgjm18hCF2QpBDnSmE1aXDVIuaY12SJdbvspAsg@z> Tuesday, April 16, 2019 5:10 PM, Viacheslav Ovsiienko: > Subject: [dpdk-dev] [PATCH v2] net/mlx5: add support for PF representor >=20 > On BlueField platform we have the new entity - PF representor. > This one represents the PCI PF attached to external host on the side of A= RM. > The traffic sent by the external host to the NIC via PF will be seem by A= RM on > this PF representor. >=20 > This patch refactors port recognizing capability on the base of physical = port > name. We have two groups of name formats. Legacy name formats are > supported by kernels before ver 5.0 (being more precise - before the patc= h > [1]) or before Mellanox OFED 4.6, and new naming formats added by the > patch [1]. >=20 > Legacy naming formats are supported: >=20 > - missing physical port name (no sysfs/netlink key) at all, > master is assumed >=20 > - decimal digits (for example "12"), representor is assumed, > the value is the index of attached VF >=20 > New naming formats are supported: >=20 > - "p" followed by decimal digits, for example "p2", master > is assumed >=20 > - "pf" followed by PF index concatenated with "vf" followed by > VF index, for example "pf0vf1", representor is assumed. > If index of VF is "-1" it is a special case of host PF > representor, this representor must be indexed in devargs > as 65535, for example representor=3D[0-3,65535] will > allow representors for VF0, VF1, VF2, VF3 and for host PF. >=20 > Note: do not specify representor=3D[0-65535], it causes devargs > processing error, because number of ports (rte_eth_dev) is > limited. >=20 > Applications should distinguish representors and master devices exclusive= ly > by device flag RTE_ETH_DEV_REPRESENTOR and do not rely on switch > port_id (mlx5 PMD deduces ones from representor_id) values returned by > dev_infos_get() API. >=20 > [1] > https://eur03.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww > .spinics.net%2Flists%2Fnetdev%2Fmsg547007.html&data=3D02%7C01%7C > shahafs%40mellanox.com%7C95dc9265aee344ca1c1108d6c27553f3%7Ca6529 > 71c7d2e4d9ba6a4d149256f461b%7C0%7C0%7C636910206515011521&sd > ata=3DxJFDvK63LaQB9B8eVNn8iKfH5YzsnLW%2FsN1wPh6iyK8%3D&reser > ved=3D0 > Linux-tree: c12ecc23 (Or Gerlitz 2018-04-25 17:32 +0300) > "net/mlx5e: Move to use common phys port names for vport > representors" >=20 > Signed-off-by: Viacheslav Ovsiienko Applied to next-net-mlx, thanks.=20