net: atlantic: use ethtool_sprintf

Allows simplifying get_strings and avoids manual pointer manipulation.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20240807190303.6143-1-rosenp@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c

@@ -279,18 +279,16 @@ static void aq_ethtool_get_strings(struct net_device *ndev,
 
 			for (i = 0; i < cfg->vecs; i++) {
 				for (si = 0; si < rx_stat_cnt; si++) {
-					snprintf(p, ETH_GSTRING_LEN,
+					ethtool_sprintf(&p,
 					     aq_ethtool_queue_rx_stat_names[si],
 					     tc_string,
 					     AQ_NIC_CFG_TCVEC2RING(cfg, tc, i));
-					p += ETH_GSTRING_LEN;
 				}
 				for (si = 0; si < tx_stat_cnt; si++) {
-					snprintf(p, ETH_GSTRING_LEN,
+					ethtool_sprintf(&p,
 					     aq_ethtool_queue_tx_stat_names[si],
 					     tc_string,
 					     AQ_NIC_CFG_TCVEC2RING(cfg, tc, i));
-					p += ETH_GSTRING_LEN;
 				}
 			}
 		}
@@ -305,20 +303,18 @@ static void aq_ethtool_get_strings(struct net_device *ndev,
 
 			for (i = 0; i < max(rx_ring_cnt, tx_ring_cnt); i++) {
 				for (si = 0; si < rx_stat_cnt; si++) {
-					snprintf(p, ETH_GSTRING_LEN,
+					ethtool_sprintf(&p,
 						 aq_ethtool_queue_rx_stat_names[si],
 						 tc_string,
 						 i ? PTP_HWST_RING_IDX : ptp_ring_idx);
-					p += ETH_GSTRING_LEN;
 				}
 				if (i >= tx_ring_cnt)
 					continue;
 				for (si = 0; si < tx_stat_cnt; si++) {
-					snprintf(p, ETH_GSTRING_LEN,
+					ethtool_sprintf(&p,
 						 aq_ethtool_queue_tx_stat_names[si],
 						 tc_string,
 						 i ? PTP_HWST_RING_IDX : ptp_ring_idx);
-					p += ETH_GSTRING_LEN;
 				}
 			}
 		}
@@ -338,9 +334,8 @@ static void aq_ethtool_get_strings(struct net_device *ndev,
 			for (si = 0;
 				si < ARRAY_SIZE(aq_macsec_txsc_stat_names);
 				si++) {
-				snprintf(p, ETH_GSTRING_LEN,
+				ethtool_sprintf(&p,
 					 aq_macsec_txsc_stat_names[si], i);
-				p += ETH_GSTRING_LEN;
 			}
 			aq_txsc = &nic->macsec_cfg->aq_txsc[i];
 			for (sa = 0; sa < MACSEC_NUM_AN; sa++) {
@@ -349,10 +344,9 @@ static void aq_ethtool_get_strings(struct net_device *ndev,
 				for (si = 0;
 				     si < ARRAY_SIZE(aq_macsec_txsa_stat_names);
 				     si++) {
-					snprintf(p, ETH_GSTRING_LEN,
+					ethtool_sprintf(&p,
 						 aq_macsec_txsa_stat_names[si],
 						 i, sa);
-					p += ETH_GSTRING_LEN;
 				}
 			}
 		}
@@ -369,10 +363,9 @@ static void aq_ethtool_get_strings(struct net_device *ndev,
 				for (si = 0;
 				     si < ARRAY_SIZE(aq_macsec_rxsa_stat_names);
 				     si++) {
-					snprintf(p, ETH_GSTRING_LEN,
+					ethtool_sprintf(&p,
 						 aq_macsec_rxsa_stat_names[si],
 						 i, sa);
-					p += ETH_GSTRING_LEN;
 				}
 			}
 		}