net/i40e: fix Rx-bytes statistics

  From: Alvin Zhang <alvinx.zhang@intel.com>

Update the Rx-bytes statistics by subtract CRC bytes count from original
bytes count.

Fixes: bd7883c07d4a ("net/i40e: refactor some stats related functions")
Cc: stable@dpdk.org

Signed-off-by: Alvin Zhang <alvinx.zhang@intel.com>
---
 drivers/net/i40e/i40e_ethdev_vf.c | 1 +
 1 file changed, 1 insertion(+)
  

Tested-by: Zhou, Jun <junx.w.zhou@intel.com> 

-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Zhang,Alvin
Sent: Tuesday, December 15, 2020 5:51 PM
To: Guo, Jia <jia.guo@intel.com>; Xing, Beilei <beilei.xing@intel.com>
Cc: dev@dpdk.org; Zhang, AlvinX <alvinx.zhang@intel.com>; stable@dpdk.org
Subject: [dpdk-dev] [PATCH] net/i40e: fix Rx-bytes statistics

From: Alvin Zhang <alvinx.zhang@intel.com>

Update the Rx-bytes statistics by subtract CRC bytes count from original bytes count.

Fixes: bd7883c07d4a ("net/i40e: refactor some stats related functions")
Cc: stable@dpdk.org

Signed-off-by: Alvin Zhang <alvinx.zhang@intel.com>
---
 drivers/net/i40e/i40e_ethdev_vf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index c26b036..b82e782 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -2406,6 +2406,7 @@ static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
 		stats->imissed = pstats->rx_discards;
 		stats->oerrors = pstats->tx_errors + pstats->tx_discards;
 		stats->ibytes = pstats->rx_bytes;
+		stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
 		stats->obytes = pstats->tx_bytes;
 	} else {
 		PMD_DRV_LOG(ERR, "Get statistics failed");
--
1.8.3.1
  

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Zhang,Alvin
> Sent: Tuesday, December 15, 2020 5:51 PM
> To: Guo, Jia <jia.guo@intel.com>; Xing, Beilei <beilei.xing@intel.com>
> Cc: dev@dpdk.org; Zhang, AlvinX <alvinx.zhang@intel.com>; stable@dpdk.org
> Subject: [dpdk-dev] [PATCH] net/i40e: fix Rx-bytes statistics
> 
> From: Alvin Zhang <alvinx.zhang@intel.com>
> 
> Update the Rx-bytes statistics by subtract CRC bytes count from original bytes
> count.
> 
> Fixes: bd7883c07d4a ("net/i40e: refactor some stats related functions")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Alvin Zhang <alvinx.zhang@intel.com>

Acked-by: Qi Zhang <qi.z.zhang@intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi