From: Qi Zhang <qi.z.zhang@intel.com>
Date: Wed, 17 Jul 2019 04:31:00 +0000 (+0800)
Subject: net/iavf: fix Rx bytes stats
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=15edfab79e48de2dd8be3d8793126a7692a34d61;p=dpdk.git

net/iavf: fix Rx bytes stats

Exclude 4 bytes CRC for rx bytes stats.
This also aligned Rx stats calculation with PF.

Fixes: f4a41a6953af ("net/avf: support stats")
Cc: stable@dpdk.org

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
---

diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index 48363333a4..8f3907378c 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -1047,6 +1047,7 @@ iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 		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");