[PATCH net-next] net: bnxt: use ethtool string helpers

From: Rosen Penev
Date: Sun Oct 20 2024 - 22:29:15 EST


Avoids having to use manual pointer manipulation.

Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
---
.../net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 110 ++++++++----------
1 file changed, 50 insertions(+), 60 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index f71cc8188b4e..84d468ad3c8e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -713,18 +713,17 @@ static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
for (i = 0; i < bp->cp_nr_rings; i++) {
if (is_rx_ring(bp, i)) {
num_str = NUM_RING_RX_HW_STATS;
- for (j = 0; j < num_str; j++) {
- sprintf(buf, "[%d]: %s", i,
+ for (j = 0; j < num_str; j++)
+ ethtool_sprintf(
+ &buf, "[%d]: %s", i,
bnxt_ring_rx_stats_str[j]);
- buf += ETH_GSTRING_LEN;
- }
}
if (is_tx_ring(bp, i)) {
num_str = NUM_RING_TX_HW_STATS;
for (j = 0; j < num_str; j++) {
- sprintf(buf, "[%d]: %s", i,
+ ethtool_sprintf(
+ &buf, "[%d]: %s", i,
bnxt_ring_tx_stats_str[j]);
- buf += ETH_GSTRING_LEN;
}
}
num_str = bnxt_get_num_tpa_ring_stats(bp);
@@ -736,81 +735,72 @@ static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
else
str = bnxt_ring_tpa_stats_str;

- for (j = 0; j < num_str; j++) {
- sprintf(buf, "[%d]: %s", i, str[j]);
- buf += ETH_GSTRING_LEN;
- }
+ for (j = 0; j < num_str; j++)
+ ethtool_sprintf(&buf, "[%d]: %s", i, str[j]);
skip_tpa_stats:
if (is_rx_ring(bp, i)) {
num_str = NUM_RING_RX_SW_STATS;
- for (j = 0; j < num_str; j++) {
- sprintf(buf, "[%d]: %s", i,
+ for (j = 0; j < num_str; j++)
+ ethtool_sprintf(
+ &buf, "[%d]: %s", i,
bnxt_rx_sw_stats_str[j]);
- buf += ETH_GSTRING_LEN;
- }
}
num_str = NUM_RING_CMN_SW_STATS;
- for (j = 0; j < num_str; j++) {
- sprintf(buf, "[%d]: %s", i,
- bnxt_cmn_sw_stats_str[j]);
- buf += ETH_GSTRING_LEN;
- }
- }
- for (i = 0; i < BNXT_NUM_RING_ERR_STATS; i++) {
- strscpy(buf, bnxt_ring_err_stats_arr[i], ETH_GSTRING_LEN);
- buf += ETH_GSTRING_LEN;
+ for (j = 0; j < num_str; j++)
+ ethtool_sprintf(&buf, "[%d]: %s", i,
+ bnxt_cmn_sw_stats_str[j]);
}
+ for (i = 0; i < BNXT_NUM_RING_ERR_STATS; i++)
+ ethtool_puts(&buf, bnxt_ring_err_stats_arr[i]);
+
+ if (bp->flags & BNXT_FLAG_PORT_STATS)
+ for (i = 0; i < BNXT_NUM_PORT_STATS; i++)
+ ethtool_puts(&buf,
+ bnxt_port_stats_arr[i].string);

- if (bp->flags & BNXT_FLAG_PORT_STATS) {
- for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
- strcpy(buf, bnxt_port_stats_arr[i].string);
- buf += ETH_GSTRING_LEN;
- }
- }
if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
u32 len;

len = min_t(u32, bp->fw_rx_stats_ext_size,
ARRAY_SIZE(bnxt_port_stats_ext_arr));
- for (i = 0; i < len; i++) {
- strcpy(buf, bnxt_port_stats_ext_arr[i].string);
- buf += ETH_GSTRING_LEN;
- }
+ for (i = 0; i < len; i++)
+ ethtool_puts(&buf,
+ bnxt_port_stats_ext_arr[i].string);
+
len = min_t(u32, bp->fw_tx_stats_ext_size,
ARRAY_SIZE(bnxt_tx_port_stats_ext_arr));
- for (i = 0; i < len; i++) {
- strcpy(buf,
- bnxt_tx_port_stats_ext_arr[i].string);
- buf += ETH_GSTRING_LEN;
- }
+ for (i = 0; i < len; i++)
+ ethtool_puts(
+ &buf,
+ bnxt_tx_port_stats_ext_arr[i].string);
+
if (bp->pri2cos_valid) {
- for (i = 0; i < 8; i++) {
- strcpy(buf,
- bnxt_rx_bytes_pri_arr[i].string);
- buf += ETH_GSTRING_LEN;
- }
- for (i = 0; i < 8; i++) {
- strcpy(buf,
- bnxt_rx_pkts_pri_arr[i].string);
- buf += ETH_GSTRING_LEN;
- }
- for (i = 0; i < 8; i++) {
- strcpy(buf,
- bnxt_tx_bytes_pri_arr[i].string);
- buf += ETH_GSTRING_LEN;
- }
- for (i = 0; i < 8; i++) {
- strcpy(buf,
- bnxt_tx_pkts_pri_arr[i].string);
- buf += ETH_GSTRING_LEN;
- }
+ for (i = 0; i < 8; i++)
+ ethtool_puts(
+ &buf,
+ bnxt_rx_bytes_pri_arr[i].string);
+
+ for (i = 0; i < 8; i++)
+ ethtool_puts(
+ &buf,
+ bnxt_rx_pkts_pri_arr[i].string);
+
+ for (i = 0; i < 8; i++)
+ ethtool_puts(
+ &buf,
+ bnxt_tx_bytes_pri_arr[i].string);
+
+ for (i = 0; i < 8; i++)
+ ethtool_puts(
+ &buf,
+ bnxt_tx_pkts_pri_arr[i].string);
}
}
break;
case ETH_SS_TEST:
if (bp->num_tests)
- memcpy(buf, bp->test_info->string,
- bp->num_tests * ETH_GSTRING_LEN);
+ for (i = 0; i < bp->num_tests; i++)
+ ethtool_puts(&buf, bp->test_info->string[i]);
break;
default:
netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
--
2.47.0