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X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Jan 2023 10:33:04.7120 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: n73lX+l/YC88Ro1TXchG2o7NL4AMTj6gIKxwv75R4EsU19YhAZ6zU7Qotyh7OgEo5cLY+2d+r4LY2aUUYW4llg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR18MB4240 X-Proofpoint-GUID: OV6U5Br6yXgCAOVKzekmJ0T8pmU9cpDH X-Proofpoint-ORIG-GUID: OV6U5Br6yXgCAOVKzekmJ0T8pmU9cpDH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-19_07,2023-01-19_01,2022-06-22_01 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > -----Original Message----- > From: Thomas Monjalon > Sent: Wednesday, January 18, 2023 4:03 PM > To: Hanumanth Reddy Pothula > Cc: Aman Singh ; Yuying Zhang > ; dev@dpdk.org; > andrew.rybchenko@oktetlabs.ru; viacheslavo@nvidia.com; Jerin Jacob > Kollanukkaran ; Nithin Kumar Dabilpuram > ; david.marchand@redhat.com > Subject: [EXT] Re: [PATCH v5 2/2] app/testpmd: add command to process > Rx metadata negotiation >=20 > External Email >=20 > ---------------------------------------------------------------------- > 21/12/2022 03:07, Hanumanth Pothula: > > Presently, Rx metadata is sent to PMD by default, leading to a > > performance drop as processing for the same in Rx path takes extra > > cycles. > > > > Hence, add new testpmd command, > > 'enable port nic_to_pmd_rx_metadata' > > > > This command helps in sending Rx metadata to PMD and thereby Rx > > metadata flow command requests are processed. > > > > Signed-off-by: Hanumanth Pothula >=20 > As said in previous versions, please don't add such option in testpmd. > The problem is somewhere else, probably in your driver. > You should make sure your driver is not sending metadata if not needed. > By the way you didn't reply to the last comments on v3 in December. >=20 > I added following comment on V4, - As per spec rte_eth_rx_metadata_negotiate() is processed only when dev_co= nfigured is set. Hence can't enable(Rx metadata negotiation) automatically = when a flow command requests metadata. - Add new testpmd command to allow NIC to PMD Rx metadata negotiation. As we can't enable Rx metadata negotiation on fly, introduced new testpmd c= ommand to enable Rx metadata negotiation by resetting the ports.=20 =20