[dpdk-dev] [PATCH v2 2/4] net/txgbe: fix Rx missed packet counter

[Jiawen Wu <jiawenwu@trustnetic.com>]

Add the Rx dropped packet counter into stats->imissed, to ensure the
stats correct.

Fixes: c9bb590d4295 ("net/txgbe: support device statistics")
Cc: stable@dpdk.org

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 drivers/net/txgbe/base/txgbe_type.h | 1 +
 drivers/net/txgbe/txgbe_ethdev.c    | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/txgbe/base/txgbe_type.h b/drivers/net/txgbe/base/txgbe_type.h
index ef8358ae3..2c8a3866a 100644
--- a/drivers/net/txgbe/base/txgbe_type.h
+++ b/drivers/net/txgbe/base/txgbe_type.h
@@ -353,6 +353,7 @@ struct txgbe_hw_stats {
 	u64 rx_management_packets;
 	u64 tx_management_packets;
 	u64 rx_management_dropped;
+	u64 rx_dma_drop;
 	u64 rx_drop_packets;
 
 	/* Basic Error */
diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c
index 90137d0ce..1ab8d2cde 100644
--- a/drivers/net/txgbe/txgbe_ethdev.c
+++ b/drivers/net/txgbe/txgbe_ethdev.c
@@ -2080,6 +2080,7 @@ txgbe_read_stats_registers(struct txgbe_hw *hw,
 
 	hw_stats->rx_bytes += rd64(hw, TXGBE_DMARXOCTL);
 	hw_stats->tx_bytes += rd64(hw, TXGBE_DMATXOCTL);
+	hw_stats->rx_dma_drop += rd32(hw, TXGBE_DMARXDROP);
 	hw_stats->rx_drop_packets += rd32(hw, TXGBE_PBRXDROP);
 
 	/* MAC Stats */
@@ -2228,7 +2229,8 @@ txgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 	}
 
 	/* Rx Errors */
-	stats->imissed  = hw_stats->rx_total_missed_packets;
+	stats->imissed  = hw_stats->rx_total_missed_packets +
+			  hw_stats->rx_dma_drop;
 	stats->ierrors  = hw_stats->rx_crc_errors +
 			  hw_stats->rx_mac_short_packet_dropped +
 			  hw_stats->rx_length_errors +
-- 
2.21.0.windows.1