linux-kernel - [PATCH net-next v4 1/2] net: stmmac: don't clear network statistics in .ndo

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Message-Id: <20230626152844.484-2-jszhang@kernel.org>
Date:   Mon, 26 Jun 2023 23:28:43 +0800
From:   Jisheng Zhang <jszhang@...nel.org>
To:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>
Cc:     netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...ts.linux.dev,
        Simon Horman <simon.horman@...igine.com>
Subject: [PATCH net-next v4 1/2] net: stmmac: don't clear network statistics in .ndo_open()

FWICT, the common style in other network drivers: the network
statistics are not cleared since initialization, follow the common
style for stmmac.

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 5c645b6d5660..eb83396d6971 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3827,10 +3827,6 @@ static int __stmmac_open(struct net_device *dev,
 		}
 	}
 
-	/* Extra statistics */
-	memset(&priv->xstats, 0, sizeof(struct stmmac_extra_stats));
-	priv->xstats.threshold = tc;
-
 	priv->rx_copybreak = STMMAC_RX_COPYBREAK;
 
 	buf_sz = dma_conf->dma_buf_sz;
@@ -7315,6 +7311,8 @@ int stmmac_dvr_probe(struct device *device,
 #endif
 	priv->msg_enable = netif_msg_init(debug, default_msg_level);
 
+	priv->xstats.threshold = tc;
+
 	/* Initialize RSS */
 	rxq = priv->plat->rx_queues_to_use;
 	netdev_rss_key_fill(priv->rss.key, sizeof(priv->rss.key));
-- 
2.40.1