From: Sameeh Jubran <sameehj@amazon.com>
Date: Sun, 3 May 2020 09:52:16 +0000
Subject: net: ena: add unmask interrupts statistics to ethtool
Patch-mainline: v5.8-rc1
Git-commit: d4a8b3bb0bb7e63d391b8e442681b72ab1429471
References: bsc#1174852

Add unmask interrupts statistics to ethtool.

Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/amazon/ena/ena_ethtool.c |    1 +
 drivers/net/ethernet/amazon/ena/ena_netdev.c  |    3 +++
 drivers/net/ethernet/amazon/ena/ena_netdev.h  |    1 +
 3 files changed, 5 insertions(+)

--- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c
+++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
@@ -83,6 +83,7 @@ static const struct ena_stats ena_stats_
 	ENA_STAT_TX_ENTRY(bad_req_id),
 	ENA_STAT_TX_ENTRY(llq_buffer_copy),
 	ENA_STAT_TX_ENTRY(missed_tx),
+	ENA_STAT_TX_ENTRY(unmask_interrupt),
 };
 
 static const struct ena_stats ena_stats_rx_strings[] = {
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -1766,6 +1766,9 @@ static void ena_unmask_interrupt(struct
 				tx_ring->smoothed_interval,
 				true);
 
+	u64_stats_update_begin(&tx_ring->syncp);
+	tx_ring->tx_stats.unmask_interrupt++;
+	u64_stats_update_end(&tx_ring->syncp);
 	/* It is a shared MSI-X.
 	 * Tx and Rx CQ have pointer to it.
 	 * So we use one of them to reach the intr reg
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.h
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h
@@ -248,6 +248,7 @@ struct ena_stats_tx {
 	u64 bad_req_id;
 	u64 llq_buffer_copy;
 	u64 missed_tx;
+	u64 unmask_interrupt;
 };
 
 struct ena_stats_rx {