net: mana: use ethtool string helpers

The latter is the preferred way to copy ethtool strings.

Avoids manually incrementing the data pointer.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Link: https://patch.msgid.link/20241022204908.511021-1-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

1 files changed, 18 insertions, 37 deletions

diff --git a/drivers/net/ethernet/microsoft/mana/mana_ethtool.c b/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
index 349f11bf8e64..c419626073f5 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
@@ -91,53 +91,34 @@ static void mana_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
 {
 	struct mana_port_context *apc = netdev_priv(ndev);
 	unsigned int num_queues = apc->num_queues;
-	u8 *p = data;
 	int i;
 
 	if (stringset != ETH_SS_STATS)
 		return;
 
-	for (i = 0; i < ARRAY_SIZE(mana_eth_stats); i++) {
-		memcpy(p, mana_eth_stats[i].name, ETH_GSTRING_LEN);
-		p += ETH_GSTRING_LEN;
-	}
+	for (i = 0; i < ARRAY_SIZE(mana_eth_stats); i++)
+		ethtool_puts(&data, mana_eth_stats[i].name);
 
 	for (i = 0; i < num_queues; i++) {
-		sprintf(p, "rx_%d_packets", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "rx_%d_bytes", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "rx_%d_xdp_drop", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "rx_%d_xdp_tx", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "rx_%d_xdp_redirect", i);
-		p += ETH_GSTRING_LEN;
+		ethtool_sprintf(&data, "rx_%d_packets", i);
+		ethtool_sprintf(&data, "rx_%d_bytes", i);
+		ethtool_sprintf(&data, "rx_%d_xdp_drop", i);
+		ethtool_sprintf(&data, "rx_%d_xdp_tx", i);
+		ethtool_sprintf(&data, "rx_%d_xdp_redirect", i);
 	}
 
 	for (i = 0; i < num_queues; i++) {
-		sprintf(p, "tx_%d_packets", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "tx_%d_bytes", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "tx_%d_xdp_xmit", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "tx_%d_tso_packets", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "tx_%d_tso_bytes", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "tx_%d_tso_inner_packets", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "tx_%d_tso_inner_bytes", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "tx_%d_long_pkt_fmt", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "tx_%d_short_pkt_fmt", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "tx_%d_csum_partial", i);
-		p += ETH_GSTRING_LEN;
-		sprintf(p, "tx_%d_mana_map_err", i);
-		p += ETH_GSTRING_LEN;
+		ethtool_sprintf(&data, "tx_%d_packets", i);
+		ethtool_sprintf(&data, "tx_%d_bytes", i);
+		ethtool_sprintf(&data, "tx_%d_xdp_xmit", i);
+		ethtool_sprintf(&data, "tx_%d_tso_packets", i);
+		ethtool_sprintf(&data, "tx_%d_tso_bytes", i);
+		ethtool_sprintf(&data, "tx_%d_tso_inner_packets", i);
+		ethtool_sprintf(&data, "tx_%d_tso_inner_bytes", i);
+		ethtool_sprintf(&data, "tx_%d_long_pkt_fmt", i);
+		ethtool_sprintf(&data, "tx_%d_short_pkt_fmt", i);
+		ethtool_sprintf(&data, "tx_%d_csum_partial", i);
+		ethtool_sprintf(&data, "tx_%d_mana_map_err", i);
 	}
 }