netdev - [PATCH V3 net-next 07/12] net: ena: add unmask interrupts statistics to ethtool

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Message-ID: <20200503095221.6408-8-sameehj@amazon.com>
Date:   Sun, 3 May 2020 09:52:16 +0000
From:   <sameehj@...zon.com>
To:     <davem@...emloft.net>, <netdev@...r.kernel.org>
CC:     Sameeh Jubran <sameehj@...zon.com>, <dwmw@...zon.com>,
        <zorik@...zon.com>, <matua@...zon.com>, <saeedb@...zon.com>,
        <msw@...zon.com>, <aliguori@...zon.com>, <nafea@...zon.com>,
        <gtzalik@...zon.com>, <netanel@...zon.com>, <alisaidi@...zon.com>,
        <benh@...zon.com>, <akiyano@...zon.com>, <ndagan@...zon.com>
Subject: [PATCH V3 net-next 07/12] net: ena: add unmask interrupts statistics to ethtool

From: Sameeh Jubran <sameehj@...zon.com>

Add unmask interrupts statistics to ethtool.

Signed-off-by: Netanel Belgazal <netanel@...zon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@...zon.com>
Signed-off-by: Sameeh Jubran <sameehj@...zon.com>
---
 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(+)

diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
index c7df25f92dbd..74725d606964 100644
--- 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_tx_strings[] = {
 	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[] = {
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 6baafc3aebea..3cea4c9090c2 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -1762,6 +1762,9 @@ static void ena_unmask_interrupt(struct ena_ring *tx_ring,
 				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
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h
index 97dfd0c67e84..ebeb911c0efb 100644
--- 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 {
-- 
2.24.1.AMZN