[dpdk-dev] [PATCH v3] i40e: fixed tx packets stats bug

[zhida zang <zhida.zang@intel.com>]

v3 changes:
-updated commit log
-fixed the bug that stats data can't be cleared

Signed-off-by: Zhida Zang <zhida.zang@intel.com>
---
 lib/librte_pmd_i40e/i40e_ethdev.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c b/lib/librte_pmd_i40e/i40e_ethdev.c
index 4b7a827..c1ea37e 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev.c
@@ -1102,6 +1102,7 @@ i40e_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 	struct i40e_hw_port_stats *ns = &pf->stats; /* new stats */
 	struct i40e_hw_port_stats *os = &pf->stats_offset; /* old stats */
+	struct i40e_eth_stats *ves = &pf->main_vsi->eth_stats; /* vsi stats */
 
 	/* Get statistics of struct i40e_eth_stats */
 	i40e_stat_update_48(hw, I40E_GLPRT_GORCH(hw->port),
@@ -1277,15 +1278,18 @@ i40e_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 	/* GLPRT_MSPDC not supported */
 	/* GLPRT_XEC not supported */
 
-	pf->offset_loaded = true;
-
 	if (pf->main_vsi)
 		i40e_update_vsi_stats(pf->main_vsi);
 
 	stats->ipackets = ns->eth.rx_unicast + ns->eth.rx_multicast +
 						ns->eth.rx_broadcast;
-	stats->opackets = ns->eth.tx_unicast + ns->eth.tx_multicast +
+	if (pf->offset_loaded)
+		stats->opackets = ves->tx_unicast + ves->tx_multicast +
+						ves->tx_broadcast;
+	else
+		stats->opackets = ns->eth.tx_unicast + ns->eth.tx_multicast +
 						ns->eth.tx_broadcast;
+	pf->offset_loaded = true;
 	stats->ibytes   = ns->eth.rx_bytes;
 	stats->obytes   = ns->eth.tx_bytes;
 	stats->oerrors  = ns->eth.tx_errors;
-- 
1.9.3