netdev - [PATCH v2 net-next 09/11] net: ena: Change default print level for netif

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Message-ID: <20240130095353.2881-10-darinzon@amazon.com>
Date: Tue, 30 Jan 2024 09:53:51 +0000
From: <darinzon@...zon.com>
To: "Nelson, Shannon" <shannon.nelson@....com>, David Miller
	<davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
	<netdev@...r.kernel.org>
CC: David Arinzon <darinzon@...zon.com>, "Woodhouse, David" <dwmw@...zon.com>,
	"Machulsky, Zorik" <zorik@...zon.com>, "Matushevsky, Alexander"
	<matua@...zon.com>, Saeed Bshara <saeedb@...zon.com>, "Wilson, Matt"
	<msw@...zon.com>, "Liguori, Anthony" <aliguori@...zon.com>, "Bshara, Nafea"
	<nafea@...zon.com>, "Belgazal, Netanel" <netanel@...zon.com>, "Saidi, Ali"
	<alisaidi@...zon.com>, "Herrenschmidt, Benjamin" <benh@...zon.com>,
	"Kiyanovski, Arthur" <akiyano@...zon.com>, "Dagan, Noam" <ndagan@...zon.com>,
	"Agroskin, Shay" <shayagr@...zon.com>, "Itzko, Shahar" <itzko@...zon.com>,
	"Abboud, Osama" <osamaabb@...zon.com>, "Ostrovsky, Evgeny"
	<evostrov@...zon.com>, "Tabachnik, Ofir" <ofirt@...zon.com>, "Koler, Nati"
	<nkoler@...zon.com>
Subject: [PATCH v2 net-next 09/11] net: ena: Change default print level for netif_ prints

From: David Arinzon <darinzon@...zon.com>

The netif_* functions are used by the driver to log events into the
kernel ring (dmesg) similar to the netdev_* ones. Unlike the latter,
the netif_* function family allow the user to choose what events get
logged using ethtool:
	sudo ethtool -s [interface] msglvl [msg_type] on

By default the events which get logged are slow-path related and aren't
printed often (e.g. interface up related prints). This patch removes the
NETIF_MSG_TX_DONE type (called every TX completion polling) from the
defaults and adds NETIF_MSG_IFDOWN instead as it makes more sensible
defaults.

This patch also transforms ena_down() print from netif_info into
netif_dbg (same as the analogue print in ena_up()) as it suits it
better.

Signed-off-by: Shay Agroskin <shayagr@...zon.com>
Signed-off-by: David Arinzon <darinzon@...zon.com>
---
 drivers/net/ethernet/amazon/ena/ena_netdev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index d4ca406..8d99904 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -32,7 +32,7 @@ MODULE_LICENSE("GPL");
 #define ENA_MAX_RINGS min_t(unsigned int, ENA_MAX_NUM_IO_QUEUES, num_possible_cpus())
 
 #define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | \
-		NETIF_MSG_TX_DONE | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR)
+		NETIF_MSG_IFDOWN | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR)
 
 static struct ena_aenq_handlers aenq_handlers;
 
@@ -2212,7 +2212,7 @@ void ena_down(struct ena_adapter *adapter)
 {
 	int io_queue_count = adapter->num_io_queues + adapter->xdp_num_queues;
 
-	netif_info(adapter, ifdown, adapter->netdev, "%s\n", __func__);
+	netif_dbg(adapter, ifdown, adapter->netdev, "%s\n", __func__);
 
 	clear_bit(ENA_FLAG_DEV_UP, &adapter->flags);
 
-- 
2.40.1