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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: BN8PR11MB3795.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 11cb6f02-e973-415f-6bdd-08d903a45ed3 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Apr 2021 02:31:14.8790 (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: uFYLOXvxF/giemmwtTeLbVNDhYHvpsQDdEjDxdyt5XbvtNVaRriGWIkNw44z7savoj9pETXlYUV2gEO6sQOmyQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR11MB1907 X-OriginatorOrg: intel.com Subject: Re: [dpdk-stable] [PATCH v2] net/igc: fix Rx packet size error 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 Sender: "stable" > -----Original Message----- > From: Zhang, AlvinX > Sent: Tuesday, April 20, 2021 10:05 > To: Wang, Haiyue ; Guo, Jia > Cc: dev@dpdk.org; Zhang, AlvinX ; stable@dpdk.org > Subject: [PATCH v2] net/igc: fix Rx packet size error >=20 > When DEV_RX_OFFLOAD_KEEP_CRC is enabled, the PMD will minus 4 bytes > of CRC from the size of a packet, but the NIC will strip the CRC > because the CRC strip bit in DVMOLR register is not cleared. This > will cause the size of a packet to be 4 bytes less. >=20 > This patch updates the CRC strip bit according to whether > DEV_RX_OFFLOAD_KEEP_CRC is enabled. >=20 > Fixes: a5aeb2b9e225 ("net/igc: support Rx and Tx") > Cc: stable@dpdk.org >=20 > Signed-off-by: Alvin Zhang > --- >=20 > v2: Refine the codes. > --- > drivers/net/igc/igc_txrx.c | 30 ++++++++++++++++-------------- > 1 file changed, 16 insertions(+), 14 deletions(-) >=20 Acked-by: Haiyue Wang > -- > 1.8.3.1