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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM4PR11MB5994.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 88ad30a1-2056-4d09-22bc-08dadcab22a2 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Dec 2022 01:41:20.4308 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: GTdvBdoWvAVpC1S+b3g8PHZqpX46iUuF3DOph2ebvh7tr3mnyOLh+9fbYR/ap+bV36GbOwlq28TYh2/Rpe3Hvg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR11MB6695 X-OriginatorOrg: intel.com 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 > -----Original Message----- > From: Ye, MingjinX > Sent: Monday, November 21, 2022 10:55 AM > To: dev@dpdk.org > Cc: Yang, Qiming ; stable@dpdk.org; Zhou, YidingX > ; Ye, MingjinX ; Zhang, Qi > Z ; Jie Zhou ; Menon, Ranjit > ; Ferruh Yigit ; Kadam, > Pallavi > Subject: [PATCH v6] doc: add PMD known issue >=20 > Add a known issue: Rx path dynamic routing is not supported for PMD. >=20 > Fixes: de853a3bb151 ("net/ice: disable DDP package on Windows") > Cc: stable@dpdk.org >=20 > Signed-off-by: Mingjin Ye > --- > doc/guides/nics/ice.rst | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) >=20 > diff --git a/doc/guides/nics/ice.rst b/doc/guides/nics/ice.rst index > ce075e067c..60fd7834ed 100644 > --- a/doc/guides/nics/ice.rst > +++ b/doc/guides/nics/ice.rst > @@ -395,3 +395,20 @@ file is used by both the kernel driver and the DPDK > PMD. >=20 > Windows support: The DDP package is not supported on Windows so, > loading of the package is disabled on Windows. > + > +ice: Rx path is not supported after PF or DCF add vlan offload > +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ~ > + > +If pmd does not enable Vlan offload during initialization, it will > +automatically select Rx paths that do not support offload. Even if Vlan > +offload is subsequently enabled through the API, Vlan offload will not > +work because the selected Rx path does not support Vlan offload. > + > +Rx path dynamic routing is not supported. When the offload features is > +switched, the queue needs to be reconfigured, then takes effect. It > +would take additional workload for the network card to deal with. If offload features is switched, we need to re-configure the queue, this do= es not looks like a limitation. Better to describe this from APIs calls=20 > + > +When applying VLAN offload on the PF or DCF, it must be configured > +firstly by the startup parameters. Better to explain what is the startup parameter precisely. > + > -- > 2.34.1