netdev - [RFC PATCH 06/10] netvsc: Update driver to use ethtool

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Date:   Wed, 10 Mar 2021 17:35:51 -0800
From:   Alexander Duyck <alexander.duyck@...il.com>
To:     kuba@...nel.org
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        simon.horman@...ronome.com, yisen.zhuang@...wei.com,
        salil.mehta@...wei.com, intel-wired-lan@...ts.osuosl.org,
        jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
        drivers@...sando.io, snelson@...sando.io, netanel@...zon.com,
        akiyano@...zon.com, gtzalik@...zon.com, saeedb@...zon.com,
        GR-Linux-NIC-Dev@...vell.com, skalluru@...vell.com,
        rmody@...vell.com, kys@...rosoft.com, haiyangz@...rosoft.com,
        sthemmin@...rosoft.com, wei.liu@...nel.org, mst@...hat.com,
        jasowang@...hat.com, pv-drivers@...are.com, doshir@...are.com,
        alexanderduyck@...com
Subject: [RFC PATCH 06/10] netvsc: Update driver to use ethtool_gsprintf

From: Alexander Duyck <alexanderduyck@...com>

Replace instances of sprintf or memcpy with a pointer update with
ethtool_gsprintf.

Signed-off-by: Alexander Duyck <alexanderduyck@...com>
---
 drivers/net/hyperv/netvsc_drv.c |   33 +++++++++++----------------------
 1 file changed, 11 insertions(+), 22 deletions(-)

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 15f262b70489..4e8446a81c0b 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -1612,34 +1612,23 @@ static void netvsc_get_strings(struct net_device *dev, u32 stringset, u8 *data)
 
 	switch (stringset) {
 	case ETH_SS_STATS:
-		for (i = 0; i < ARRAY_SIZE(netvsc_stats); i++) {
-			memcpy(p, netvsc_stats[i].name, ETH_GSTRING_LEN);
-			p += ETH_GSTRING_LEN;
-		}
+		for (i = 0; i < ARRAY_SIZE(netvsc_stats); i++)
+			ethtool_gsprintf(&p, netvsc_stats[i].name);
 
-		for (i = 0; i < ARRAY_SIZE(vf_stats); i++) {
-			memcpy(p, vf_stats[i].name, ETH_GSTRING_LEN);
-			p += ETH_GSTRING_LEN;
-		}
+		for (i = 0; i < ARRAY_SIZE(vf_stats); i++)
+			ethtool_gsprintf(&p, vf_stats[i].name);
 
 		for (i = 0; i < nvdev->num_chn; i++) {
-			sprintf(p, "tx_queue_%u_packets", i);
-			p += ETH_GSTRING_LEN;
-			sprintf(p, "tx_queue_%u_bytes", i);
-			p += ETH_GSTRING_LEN;
-			sprintf(p, "rx_queue_%u_packets", i);
-			p += ETH_GSTRING_LEN;
-			sprintf(p, "rx_queue_%u_bytes", i);
-			p += ETH_GSTRING_LEN;
-			sprintf(p, "rx_queue_%u_xdp_drop", i);
-			p += ETH_GSTRING_LEN;
+			ethtool_gsprintf(&p, "tx_queue_%u_packets", i);
+			ethtool_gsprintf(&p, "tx_queue_%u_bytes", i);
+			ethtool_gsprintf(&p, "rx_queue_%u_packets", i);
+			ethtool_gsprintf(&p, "rx_queue_%u_bytes", i);
+			ethtool_gsprintf(&p, "rx_queue_%u_xdp_drop", i);
 		}
 
 		for_each_present_cpu(cpu) {
-			for (i = 0; i < ARRAY_SIZE(pcpu_stats); i++) {
-				sprintf(p, pcpu_stats[i].name, cpu);
-				p += ETH_GSTRING_LEN;
-			}
+			for (i = 0; i < ARRAY_SIZE(pcpu_stats); i++)
+				ethtool_gsprintf(&p, pcpu_stats[i].name, cpu);
 		}
 
 		break;