[dpdk-dev] [PATCH v2] i40e: fixed tx packets stats bug

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

From: zzang <zhida.zang@intel.com>

i40e only count tx packets that sent by pf. But in some condition packet can be sent by NIC without being counted by pf. So count vsi tx packets instead.

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