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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: 8f2db295-d0c6-4c02-98a4-08db3405cc97 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Apr 2023 05:39:31.4449 (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: OXanMoaTmCfhQmNsR/HiFySTyuIRRCPVhqvXWLkdCc8HNhfm9DjifIFVXfo5/W7wkuiKtCqdU1TJl1yteLJeEw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR11MB7569 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: Lu, Wenzhuo > Sent: Wednesday, March 29, 2023 9:06 AM > To: mschmidt ; dev@dpdk.org > Cc: Richardson, Bruce ; Konstantin Ananyev > ; Wu, Jingjing ; > Xing, Beilei ; Rong, Leyi ; > stable@dpdk.org > Subject: RE: [PATCH] net/iavf: fix VLAN offload with AVX512 >=20 >=20 >=20 > > -----Original Message----- > > From: Michal Schmidt > > Sent: Monday, March 27, 2023 6:08 PM > > To: dev@dpdk.org > > Cc: Richardson, Bruce ; Konstantin Ananyev > > ; Wu, Jingjing > > ; Xing, Beilei ; Rong, > > Leyi ; Lu, Wenzhuo ; > > stable@dpdk.org > > Subject: [PATCH] net/iavf: fix VLAN offload with AVX512 > > > > It has been observed that mbufs of some received VLAN packets had the > > VLAN tag correctly set in vlan_tci, but ol_flags were missing the > > VLAN-indicating flags. > > > > _mm256_shuffle_epi8 operates as two independent 128-bit operations, > > not as a single 256-bit operation. To have the RTE_MBUF_F_RX_VLAN* > > flags reflected in the resulting vlan_flags for all 8 rx descriptors, > > the input l2tag2_flags_shuf must contain the required pattern in both 1= 28- > bit halves. > > > > This fix is for the AVX512 Rx path. The same bug in AVX2 was fixed by > > commit > > eb24917428a1 ("net/iavf: fix VLAN offload with AVX2"). > > > > Fixes: 4b64ccb328c9 ("net/iavf: fix VLAN extraction in AVX512 path") > > Cc: stable@dpdk.org > > > > Signed-off-by: Michal Schmidt > Acked-by: Wenzhuo Lu Applied to dpdk-next-net-intel. Thanks Qi