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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-stable] [dpdk-dev] [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: dev On Behalf Of Alvin Zhang > Sent: Tuesday, April 20, 2021 10:05 AM > To: Wang, Haiyue ; Guo, Jia > Cc: dev@dpdk.org; Zhang, AlvinX ; stable@dpdk.org > Subject: [dpdk-dev] [PATCH v2] net/igc: fix Rx packet size error > > 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. > > This patch updates the CRC strip bit according to whether > DEV_RX_OFFLOAD_KEEP_CRC is enabled. > > Fixes: a5aeb2b9e225 ("net/igc: support Rx and Tx") > Cc: stable@dpdk.org > > Signed-off-by: Alvin Zhang Tested-by: Lingli Chen