net: broadcom: use ethtool string helpers

The latter is the preferred way to copy ethtool strings.

Avoids manually incrementing the pointer. Cleans up the code quite well.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20241104205317.306140-1-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

6 files changed, 19 insertions, 31 deletions

diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp_ethtool.c b/drivers/net/ethernet/broadcom/asp2/bcmasp_ethtool.c
index 67928b5d8a26..9da5ae29a105 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp_ethtool.c
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp_ethtool.c
@@ -101,14 +101,14 @@ static int bcmasp_get_sset_count(struct net_device *dev, int string_set)
 static void bcmasp_get_strings(struct net_device *dev, u32 stringset,
 			       u8 *data)
 {
+	const char *str;
 	unsigned int i;
 
 	switch (stringset) {
 	case ETH_SS_STATS:
 		for (i = 0; i < BCMASP_STATS_LEN; i++) {
-			memcpy(data + i * ETH_GSTRING_LEN,
-			       bcmasp_gstrings_stats[i].stat_string,
-			       ETH_GSTRING_LEN);
+			str = bcmasp_gstrings_stats[i].stat_string;
+			ethtool_puts(&data, str);
 		}
 		break;
 	default:
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index e5e03aaa49f9..65e3a0656a4c 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -1339,14 +1339,14 @@ static int bcm_enet_get_sset_count(struct net_device *netdev,
 static void bcm_enet_get_strings(struct net_device *netdev,
 				 u32 stringset, u8 *data)
 {
+	const char *str;
 	int i;
 
 	switch (stringset) {
 	case ETH_SS_STATS:
 		for (i = 0; i < BCM_ENET_STATS_LEN; i++) {
-			memcpy(data + i * ETH_GSTRING_LEN,
-			       bcm_enet_gstrings_stats[i].stat_string,
-			       ETH_GSTRING_LEN);
+			str = bcm_enet_gstrings_stats[i].stat_string;
+			ethtool_puts(&data, str);
 		}
 		break;
 	}
@@ -2503,14 +2503,14 @@ static const struct bcm_enet_stats bcm_enetsw_gstrings_stats[] = {
 static void bcm_enetsw_get_strings(struct net_device *netdev,
 				   u32 stringset, u8 *data)
 {
+	const char *str;
 	int i;
 
 	switch (stringset) {
 	case ETH_SS_STATS:
 		for (i = 0; i < BCM_ENETSW_STATS_LEN; i++) {
-			memcpy(data + i * ETH_GSTRING_LEN,
-			       bcm_enetsw_gstrings_stats[i].stat_string,
-			       ETH_GSTRING_LEN);
+			str = bcm_enetsw_gstrings_stats[i].stat_string;
+			ethtool_puts(&data, str);
 		}
 		break;
 	}
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 031e9e0cca53..42672c63f108 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -346,32 +346,22 @@ static void bcm_sysport_get_strings(struct net_device *dev,
 {
 	struct bcm_sysport_priv *priv = netdev_priv(dev);
 	const struct bcm_sysport_stats *s;
-	char buf[128];
-	int i, j;
+	int i;
 
 	switch (stringset) {
 	case ETH_SS_STATS:
-		for (i = 0, j = 0; i < BCM_SYSPORT_STATS_LEN; i++) {
+		for (i = 0; i < BCM_SYSPORT_STATS_LEN; i++) {
 			s = &bcm_sysport_gstrings_stats[i];
 			if (priv->is_lite &&
 			    !bcm_sysport_lite_stat_valid(s->type))
 				continue;
 
-			memcpy(data + j * ETH_GSTRING_LEN, s->stat_string,
-			       ETH_GSTRING_LEN);
-			j++;
+			ethtool_puts(&data, s->stat_string);
 		}
 
 		for (i = 0; i < dev->num_tx_queues; i++) {
-			snprintf(buf, sizeof(buf), "txq%d_packets", i);
-			memcpy(data + j * ETH_GSTRING_LEN, buf,
-			       ETH_GSTRING_LEN);
-			j++;
-
-			snprintf(buf, sizeof(buf), "txq%d_bytes", i);
-			memcpy(data + j * ETH_GSTRING_LEN, buf,
-			       ETH_GSTRING_LEN);
-			j++;
+			ethtool_sprintf(&data, "txq%d_packets", i);
+			ethtool_sprintf(&data, "txq%d_bytes", i);
 		}
 		break;
 	default:
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index 6ffdc4229407..a461ec612e95 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -1367,8 +1367,7 @@ static void bgmac_get_strings(struct net_device *dev, u32 stringset,
 		return;
 
 	for (i = 0; i < BGMAC_STATS_LEN; i++)
-		strscpy(data + i * ETH_GSTRING_LEN,
-			bgmac_get_strings_stats[i].name, ETH_GSTRING_LEN);
+		ethtool_puts(&data, bgmac_get_strings_stats[i].name);
 }
 
 static void bgmac_get_ethtool_stats(struct net_device *dev,
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 53a949eb9180..3e93f957430b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1144,14 +1144,14 @@ static int bcmgenet_get_sset_count(struct net_device *dev, int string_set)
 static void bcmgenet_get_strings(struct net_device *dev, u32 stringset,
 				 u8 *data)
 {
+	const char *str;
 	int i;
 
 	switch (stringset) {
 	case ETH_SS_STATS:
 		for (i = 0; i < BCMGENET_STATS_LEN; i++) {
-			memcpy(data + i * ETH_GSTRING_LEN,
-			       bcmgenet_gstrings_stats[i].stat_string,
-			       ETH_GSTRING_LEN);
+			str = bcmgenet_gstrings_stats[i].stat_string;
+			ethtool_puts(&data, str);
 		}
 		break;
 	}
diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c
index 6c52f7dda514..59c2c6acc134 100644
--- a/drivers/net/phy/bcm-phy-lib.c
+++ b/drivers/net/phy/bcm-phy-lib.c
@@ -523,8 +523,7 @@ void bcm_phy_get_strings(struct phy_device *phydev, u8 *data)
 	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(bcm_phy_hw_stats); i++)
-		strscpy(data + i * ETH_GSTRING_LEN,
-			bcm_phy_hw_stats[i].string, ETH_GSTRING_LEN);
+		ethtool_puts(&data, bcm_phy_hw_stats[i].string);
 }
 EXPORT_SYMBOL_GPL(bcm_phy_get_strings);