linux-kernel - [PATCH net-next] ibmvnic: use ethtool string helpers

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Message-ID: <20241022203240.391648-1-rosenp@gmail.com>
Date: Tue, 22 Oct 2024 13:32:40 -0700
From: Rosen Penev <rosenp@...il.com>
To: netdev@...r.kernel.org
Cc: Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Naveen N Rao <naveen@...nel.org>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Haren Myneni <haren@...ux.ibm.com>,
	Rick Lindsley <ricklind@...ux.ibm.com>,
	Nick Child <nnac123@...ux.ibm.com>,
	Thomas Falcon <tlfalcon@...ux.ibm.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	linuxppc-dev@...ts.ozlabs.org (open list:LINUX FOR POWERPC (32-BIT AND 64-BIT)),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next] ibmvnic: use ethtool string helpers

They are the prefered way to copy ethtool strings.

Avoids manually incrementing the data pointer.

Signed-off-by: Rosen Penev <rosenp@...il.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c | 30 +++++++++---------------------
 1 file changed, 9 insertions(+), 21 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index cca2ed6ad289..e95ae0d39948 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -3808,32 +3808,20 @@ static void ibmvnic_get_strings(struct net_device *dev, u32 stringset, u8 *data)
 	if (stringset != ETH_SS_STATS)
 		return;
 
-	for (i = 0; i < ARRAY_SIZE(ibmvnic_stats); i++, data += ETH_GSTRING_LEN)
-		memcpy(data, ibmvnic_stats[i].name, ETH_GSTRING_LEN);
+	for (i = 0; i < ARRAY_SIZE(ibmvnic_stats); i++)
+		ethtool_puts(&data, ibmvnic_stats[i].name);
 
 	for (i = 0; i < adapter->req_tx_queues; i++) {
-		snprintf(data, ETH_GSTRING_LEN, "tx%d_batched_packets", i);
-		data += ETH_GSTRING_LEN;
-
-		snprintf(data, ETH_GSTRING_LEN, "tx%d_direct_packets", i);
-		data += ETH_GSTRING_LEN;
-
-		snprintf(data, ETH_GSTRING_LEN, "tx%d_bytes", i);
-		data += ETH_GSTRING_LEN;
-
-		snprintf(data, ETH_GSTRING_LEN, "tx%d_dropped_packets", i);
-		data += ETH_GSTRING_LEN;
+		ethtool_sprintf(&data, "tx%d_batched_packets", i);
+		ethtool_sprintf(&data, "tx%d_direct_packets", i);
+		ethtool_sprintf(&data, "tx%d_bytes", i);
+		ethtool_sprintf(&data, "tx%d_dropped_packets", i);
 	}
 
 	for (i = 0; i < adapter->req_rx_queues; i++) {
-		snprintf(data, ETH_GSTRING_LEN, "rx%d_packets", i);
-		data += ETH_GSTRING_LEN;
-
-		snprintf(data, ETH_GSTRING_LEN, "rx%d_bytes", i);
-		data += ETH_GSTRING_LEN;
-
-		snprintf(data, ETH_GSTRING_LEN, "rx%d_interrupts", i);
-		data += ETH_GSTRING_LEN;
+		ethtool_sprintf(&data, "rx%d_packets", i);
+		ethtool_sprintf(&data, "rx%d_bytes", i);
+		ethtool_sprintf(&data, "rx%d_interrupts", i);
 	}
 }
 
-- 
2.47.0