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Message-ID: <885d3701-f057-4b02-a26b-7eab6ab47cfd@huawei.com>
Date: Fri, 1 Nov 2024 09:36:44 +0800
From: Jijie Shao <shaojijie@...wei.com>
To: Rosen Penev <rosenp@...il.com>, <netdev@...r.kernel.org>
CC: <shaojijie@...wei.com>, Jian Shen <shenjian15@...wei.com>, Salil Mehta
<salil.mehta@...wei.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David S.
Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub
Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Wei Fang
<wei.fang@....com>, Louis Peens <louis.peens@...igine.com>,
"justinstitt@...gle.com" <justinstitt@...gle.com>, Jacob Keller
<jacob.e.keller@...el.com>, Wojciech Drewek <wojciech.drewek@...el.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, Javier Carrasco
<javier.carrasco.cruz@...il.com>, Hongbo Li <lihongbo22@...wei.com>, Yonglong
Liu <liuyonglong@...wei.com>, Uwe Kleine-König
<u.kleine-koenig@...libre.com>, Ahmed Zaki <ahmed.zaki@...el.com>, Arnd
Bergmann <arnd@...db.de>, Kalesh AP <kalesh-anakkur.purayil@...adcom.com>,
Simon Horman <horms@...nel.org>, Jie Wang <wangjie125@...wei.com>, Peiyang
Wang <wangpeiyang1@...wei.com>, Hao Lan <lanhao@...wei.com>, open list
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] net: hisilicon: use ethtool string helpers
on 2024/10/31 11:21, Jijie Shao wrote:
>
> on 2024/10/31 6:07, Rosen Penev wrote:
>> 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@...il.com>
>
> Reviewed-by: Jijie Shao <shaojijie@...wei.com>
>
> Tested-by: Jijie Shao <shaojijie@...wei.com>
>
>
> Thank you for your work.
>
>> ---
>> drivers/net/ethernet/hisilicon/hns/hnae.h | 2 +-
>> .../net/ethernet/hisilicon/hns/hns_ae_adapt.c | 20 ++----
>> .../ethernet/hisilicon/hns/hns_dsaf_gmac.c | 5 +-
>> .../net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 3 +-
>> .../net/ethernet/hisilicon/hns/hns_dsaf_mac.h | 4 +-
>> .../ethernet/hisilicon/hns/hns_dsaf_main.c | 70 +++++++------------
>> .../ethernet/hisilicon/hns/hns_dsaf_main.h | 2 +-
>> .../net/ethernet/hisilicon/hns/hns_dsaf_ppe.c | 31 ++++----
>> .../net/ethernet/hisilicon/hns/hns_dsaf_ppe.h | 2 +-
>> .../net/ethernet/hisilicon/hns/hns_dsaf_rcb.c | 66 +++++++++--------
>> .../net/ethernet/hisilicon/hns/hns_dsaf_rcb.h | 2 +-
>> .../ethernet/hisilicon/hns/hns_dsaf_xgmac.c | 5 +-
>> .../net/ethernet/hisilicon/hns/hns_ethtool.c | 67 +++++++++---------
>> drivers/net/ethernet/hisilicon/hns3/hnae3.h | 2 +-
>> .../hns3/hns3_common/hclge_comm_tqp_stats.c | 11 +--
>> .../hns3/hns3_common/hclge_comm_tqp_stats.h | 2 +-
>> .../ethernet/hisilicon/hns3/hns3_ethtool.c | 53 +++++---------
>> .../hisilicon/hns3/hns3pf/hclge_main.c | 50 ++++++-------
>> .../hisilicon/hns3/hns3vf/hclgevf_main.c | 6 +-
>> 19 files changed, 166 insertions(+), 237 deletions(-)
Thank you for your work.
It is more reasonable to split the modification of hns3 and hns into two patches.
hns3 and hns are two different drivers.
Each patch can add my Reviewed-by.
Thanks,
Jijie Shao
>>
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h
>> b/drivers/net/ethernet/hisilicon/hns/hnae.h
>> index d72657444ef3..2ae34d01fd36 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hnae.h
>> +++ b/drivers/net/ethernet/hisilicon/hns/hnae.h
>> @@ -512,7 +512,7 @@ struct hnae_ae_ops {
>> struct net_device_stats *net_stats);
>> void (*get_stats)(struct hnae_handle *handle, u64 *data);
>> void (*get_strings)(struct hnae_handle *handle,
>> - u32 stringset, u8 *data);
>> + u32 stringset, u8 **data);
>> int (*get_sset_count)(struct hnae_handle *handle, int stringset);
>> void (*update_led_status)(struct hnae_handle *handle);
>> int (*set_led_id)(struct hnae_handle *handle,
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
>> b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
>> index bc3e406f0139..8ce910f8d0cc 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
>> @@ -730,15 +730,14 @@ static void hns_ae_get_stats(struct hnae_handle
>> *handle, u64 *data)
>> hns_dsaf_get_stats(vf_cb->dsaf_dev, p, vf_cb->port_index);
>> }
>> -static void hns_ae_get_strings(struct hnae_handle *handle,
>> - u32 stringset, u8 *data)
>> +static void hns_ae_get_strings(struct hnae_handle *handle, u32
>> stringset,
>> + u8 **data)
>> {
>> int port;
>> int idx;
>> struct hns_mac_cb *mac_cb;
>> struct hns_ppe_cb *ppe_cb;
>> struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
>> - u8 *p = data;
>> struct hnae_vf_cb *vf_cb;
>> assert(handle);
>> @@ -748,19 +747,14 @@ static void hns_ae_get_strings(struct
>> hnae_handle *handle,
>> mac_cb = hns_get_mac_cb(handle);
>> ppe_cb = hns_get_ppe_cb(handle);
>> - for (idx = 0; idx < handle->q_num; idx++) {
>> - hns_rcb_get_strings(stringset, p, idx);
>> - p += ETH_GSTRING_LEN * hns_rcb_get_ring_sset_count(stringset);
>> - }
>> -
>> - hns_ppe_get_strings(ppe_cb, stringset, p);
>> - p += ETH_GSTRING_LEN * hns_ppe_get_sset_count(stringset);
>> + for (idx = 0; idx < handle->q_num; idx++)
>> + hns_rcb_get_strings(stringset, data, idx);
>> - hns_mac_get_strings(mac_cb, stringset, p);
>> - p += ETH_GSTRING_LEN * hns_mac_get_sset_count(mac_cb, stringset);
>> + hns_ppe_get_strings(ppe_cb, stringset, data);
>> + hns_mac_get_strings(mac_cb, stringset, data);
>> if (mac_cb->mac_type == HNAE_PORT_SERVICE)
>> - hns_dsaf_get_strings(stringset, p, port, dsaf_dev);
>> + hns_dsaf_get_strings(stringset, data, port, dsaf_dev);
>> }
>> static int hns_ae_get_sset_count(struct hnae_handle *handle, int
>> stringset)
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
>> index bdb7afaabdd0..400933ca1a29 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
>> @@ -669,16 +669,15 @@ static void hns_gmac_get_stats(void *mac_drv,
>> u64 *data)
>> }
>> }
>> -static void hns_gmac_get_strings(u32 stringset, u8 *data)
>> +static void hns_gmac_get_strings(u32 stringset, u8 **data)
>> {
>> - u8 *buff = data;
>> u32 i;
>> if (stringset != ETH_SS_STATS)
>> return;
>> for (i = 0; i < ARRAY_SIZE(g_gmac_stats_string); i++)
>> - ethtool_puts(&buff, g_gmac_stats_string[i].desc);
>> + ethtool_puts(data, g_gmac_stats_string[i].desc);
>> }
>> static int hns_gmac_get_sset_count(int stringset)
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
>> index 5fa9b2eeb929..bc6b269be299 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
>> @@ -1190,8 +1190,7 @@ void hns_mac_get_stats(struct hns_mac_cb
>> *mac_cb, u64 *data)
>> mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
>> }
>> -void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
>> - int stringset, u8 *data)
>> +void hns_mac_get_strings(struct hns_mac_cb *mac_cb, int stringset,
>> u8 **data)
>> {
>> struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h
>> index edf0bcf76ac9..630f01cf7a71 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h
>> @@ -378,7 +378,7 @@ struct mac_driver {
>> void (*get_regs)(void *mac_drv, void *data);
>> int (*get_regs_count)(void);
>> /* get strings name for ethtool statistic */
>> - void (*get_strings)(u32 stringset, u8 *data);
>> + void (*get_strings)(u32 stringset, u8 **data);
>> /* get the number of strings*/
>> int (*get_sset_count)(int stringset);
>> @@ -445,7 +445,7 @@ int hns_mac_config_mac_loopback(struct
>> hns_mac_cb *mac_cb,
>> enum hnae_loop loop, int en);
>> void hns_mac_update_stats(struct hns_mac_cb *mac_cb);
>> void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data);
>> -void hns_mac_get_strings(struct hns_mac_cb *mac_cb, int stringset,
>> u8 *data);
>> +void hns_mac_get_strings(struct hns_mac_cb *mac_cb, int stringset,
>> u8 **data);
>> int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset);
>> void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data);
>> int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb);
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
>> index eb60f45a3460..851490346261 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
>> @@ -2590,55 +2590,34 @@ void hns_dsaf_get_regs(struct dsaf_device
>> *ddev, u32 port, void *data)
>> p[i] = 0xdddddddd;
>> }
>> -static char *hns_dsaf_get_node_stats_strings(char *data, int node,
>> - struct dsaf_device *dsaf_dev)
>> +static void hns_dsaf_get_node_stats_strings(u8 **data, int node,
>> + struct dsaf_device *dsaf_dev)
>> {
>> - char *buff = data;
>> - int i;
>> bool is_ver1 = AE_IS_VER1(dsaf_dev->dsaf_ver);
>> + int i;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_pad_drop_pkts", node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_manage_pkts", node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_rx_pkts", node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_rx_pkt_id", node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_rx_pause_frame", node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_release_buf_num", node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_sbm_drop_pkts", node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_crc_false_pkts", node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_bp_drop_pkts", node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_lookup_rslt_drop_pkts",
>> node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_local_rslt_fail_pkts",
>> node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_vlan_drop_pkts", node);
>> - buff += ETH_GSTRING_LEN;
>> - snprintf(buff, ETH_GSTRING_LEN, "innod%d_stp_drop_pkts", node);
>> - buff += ETH_GSTRING_LEN;
>> + ethtool_sprintf(data, "innod%d_pad_drop_pkts", node);
>> + ethtool_sprintf(data, "innod%d_manage_pkts", node);
>> + ethtool_sprintf(data, "innod%d_rx_pkts", node);
>> + ethtool_sprintf(data, "innod%d_rx_pkt_id", node);
>> + ethtool_sprintf(data, "innod%d_rx_pause_frame", node);
>> + ethtool_sprintf(data, "innod%d_release_buf_num", node);
>> + ethtool_sprintf(data, "innod%d_sbm_drop_pkts", node);
>> + ethtool_sprintf(data, "innod%d_crc_false_pkts", node);
>> + ethtool_sprintf(data, "innod%d_bp_drop_pkts", node);
>> + ethtool_sprintf(data, "innod%d_lookup_rslt_drop_pkts", node);
>> + ethtool_sprintf(data, "innod%d_local_rslt_fail_pkts", node);
>> + ethtool_sprintf(data, "innod%d_vlan_drop_pkts", node);
>> + ethtool_sprintf(data, "innod%d_stp_drop_pkts", node);
>> if (node < DSAF_SERVICE_NW_NUM && !is_ver1) {
>> for (i = 0; i < DSAF_PRIO_NR; i++) {
>> - snprintf(buff + 0 * ETH_GSTRING_LEN * DSAF_PRIO_NR,
>> - ETH_GSTRING_LEN, "inod%d_pfc_prio%d_pkts",
>> - node, i);
>> - snprintf(buff + 1 * ETH_GSTRING_LEN * DSAF_PRIO_NR,
>> - ETH_GSTRING_LEN, "onod%d_pfc_prio%d_pkts",
>> - node, i);
>> - buff += ETH_GSTRING_LEN;
>> + ethtool_sprintf(data, "inod%d_pfc_prio%d_pkts", node,
>> + i);
>> + ethtool_sprintf(data, "onod%d_pfc_prio%d_pkts", node,
>> + i);
>> }
>> - buff += 1 * DSAF_PRIO_NR * ETH_GSTRING_LEN;
>> }
>> - snprintf(buff, ETH_GSTRING_LEN, "onnod%d_tx_pkts", node);
>> - buff += ETH_GSTRING_LEN;
>> -
>> - return buff;
>> + ethtool_sprintf(data, "onnod%d_tx_pkts", node);
>> }
>> static u64 *hns_dsaf_get_node_stats(struct dsaf_device *ddev, u64
>> *data,
>> @@ -2720,21 +2699,20 @@ int hns_dsaf_get_sset_count(struct
>> dsaf_device *dsaf_dev, int stringset)
>> *@...t:port index
>> *@...f_dev: dsaf device
>> */
>> -void hns_dsaf_get_strings(int stringset, u8 *data, int port,
>> +void hns_dsaf_get_strings(int stringset, u8 **data, int port,
>> struct dsaf_device *dsaf_dev)
>> {
>> - char *buff = (char *)data;
>> int node = port;
>> if (stringset != ETH_SS_STATS)
>> return;
>> /* for ge/xge node info */
>> - buff = hns_dsaf_get_node_stats_strings(buff, node, dsaf_dev);
>> + hns_dsaf_get_node_stats_strings(data, node, dsaf_dev);
>> /* for ppe node info */
>> node = port + DSAF_PPE_INODE_BASE;
>> - (void)hns_dsaf_get_node_stats_strings(buff, node, dsaf_dev);
>> + hns_dsaf_get_node_stats_strings(data, node, dsaf_dev);
>> }
>> /**
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
>> index 5526a10caac5..0eb03dff1a8b 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
>> @@ -442,7 +442,7 @@ void hns_dsaf_update_stats(struct dsaf_device
>> *dsaf_dev, u32 inode_num);
>> int hns_dsaf_get_sset_count(struct dsaf_device *dsaf_dev, int
>> stringset);
>> void hns_dsaf_get_stats(struct dsaf_device *ddev, u64 *data, int
>> port);
>> -void hns_dsaf_get_strings(int stringset, u8 *data, int port,
>> +void hns_dsaf_get_strings(int stringset, u8 **data, int port,
>> struct dsaf_device *dsaf_dev);
>> void hns_dsaf_get_regs(struct dsaf_device *ddev, u32 port, void
>> *data);
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c
>> index a08d1f0a5a16..5013beb4d282 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c
>> @@ -457,24 +457,23 @@ int hns_ppe_get_regs_count(void)
>> * @stringset: string set type
>> * @data: output string
>> */
>> -void hns_ppe_get_strings(struct hns_ppe_cb *ppe_cb, int stringset,
>> u8 *data)
>> +void hns_ppe_get_strings(struct hns_ppe_cb *ppe_cb, int stringset,
>> u8 **data)
>> {
>> int index = ppe_cb->index;
>> - u8 *buff = data;
>> -
>> - ethtool_sprintf(&buff, "ppe%d_rx_sw_pkt", index);
>> - ethtool_sprintf(&buff, "ppe%d_rx_pkt_ok", index);
>> - ethtool_sprintf(&buff, "ppe%d_rx_drop_pkt_no_bd", index);
>> - ethtool_sprintf(&buff, "ppe%d_rx_alloc_buf_fail", index);
>> - ethtool_sprintf(&buff, "ppe%d_rx_alloc_buf_wait", index);
>> - ethtool_sprintf(&buff, "ppe%d_rx_pkt_drop_no_buf", index);
>> - ethtool_sprintf(&buff, "ppe%d_rx_pkt_err_fifo_full", index);
>> -
>> - ethtool_sprintf(&buff, "ppe%d_tx_bd", index);
>> - ethtool_sprintf(&buff, "ppe%d_tx_pkt", index);
>> - ethtool_sprintf(&buff, "ppe%d_tx_pkt_ok", index);
>> - ethtool_sprintf(&buff, "ppe%d_tx_pkt_err_fifo_empty", index);
>> - ethtool_sprintf(&buff, "ppe%d_tx_pkt_err_csum_fail", index);
>> +
>> + ethtool_sprintf(data, "ppe%d_rx_sw_pkt", index);
>> + ethtool_sprintf(data, "ppe%d_rx_pkt_ok", index);
>> + ethtool_sprintf(data, "ppe%d_rx_drop_pkt_no_bd", index);
>> + ethtool_sprintf(data, "ppe%d_rx_alloc_buf_fail", index);
>> + ethtool_sprintf(data, "ppe%d_rx_alloc_buf_wait", index);
>> + ethtool_sprintf(data, "ppe%d_rx_pkt_drop_no_buf", index);
>> + ethtool_sprintf(data, "ppe%d_rx_pkt_err_fifo_full", index);
>> +
>> + ethtool_sprintf(data, "ppe%d_tx_bd", index);
>> + ethtool_sprintf(data, "ppe%d_tx_pkt", index);
>> + ethtool_sprintf(data, "ppe%d_tx_pkt_ok", index);
>> + ethtool_sprintf(data, "ppe%d_tx_pkt_err_fifo_empty", index);
>> + ethtool_sprintf(data, "ppe%d_tx_pkt_err_csum_fail", index);
>> }
>> void hns_ppe_get_stats(struct hns_ppe_cb *ppe_cb, u64 *data)
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h
>> index 7e00231c1acf..602c8e971fe4 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h
>> @@ -109,7 +109,7 @@ int hns_ppe_get_sset_count(int stringset);
>> int hns_ppe_get_regs_count(void);
>> void hns_ppe_get_regs(struct hns_ppe_cb *ppe_cb, void *data);
>> -void hns_ppe_get_strings(struct hns_ppe_cb *ppe_cb, int stringset,
>> u8 *data);
>> +void hns_ppe_get_strings(struct hns_ppe_cb *ppe_cb, int stringset,
>> u8 **data);
>> void hns_ppe_get_stats(struct hns_ppe_cb *ppe_cb, u64 *data);
>> void hns_ppe_set_tso_enable(struct hns_ppe_cb *ppe_cb, u32 value);
>> void hns_ppe_set_rss_key(struct hns_ppe_cb *ppe_cb,
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
>> index 93344563a259..46af467aa596 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
>> @@ -923,44 +923,42 @@ int hns_rcb_get_ring_regs_count(void)
>> *@...a:strings name value
>> *@...ex:queue index
>> */
>> -void hns_rcb_get_strings(int stringset, u8 *data, int index)
>> +void hns_rcb_get_strings(int stringset, u8 **data, int index)
>> {
>> - u8 *buff = data;
>> -
>> if (stringset != ETH_SS_STATS)
>> return;
>> - ethtool_sprintf(&buff, "tx_ring%d_rcb_pkt_num", index);
>> - ethtool_sprintf(&buff, "tx_ring%d_ppe_tx_pkt_num", index);
>> - ethtool_sprintf(&buff, "tx_ring%d_ppe_drop_pkt_num", index);
>> - ethtool_sprintf(&buff, "tx_ring%d_fbd_num", index);
>> -
>> - ethtool_sprintf(&buff, "tx_ring%d_pkt_num", index);
>> - ethtool_sprintf(&buff, "tx_ring%d_bytes", index);
>> - ethtool_sprintf(&buff, "tx_ring%d_err_cnt", index);
>> - ethtool_sprintf(&buff, "tx_ring%d_io_err", index);
>> - ethtool_sprintf(&buff, "tx_ring%d_sw_err", index);
>> - ethtool_sprintf(&buff, "tx_ring%d_seg_pkt", index);
>> - ethtool_sprintf(&buff, "tx_ring%d_restart_queue", index);
>> - ethtool_sprintf(&buff, "tx_ring%d_tx_busy", index);
>> -
>> - ethtool_sprintf(&buff, "rx_ring%d_rcb_pkt_num", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_ppe_pkt_num", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_ppe_drop_pkt_num", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_fbd_num", index);
>> -
>> - ethtool_sprintf(&buff, "rx_ring%d_pkt_num", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_bytes", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_err_cnt", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_io_err", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_sw_err", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_seg_pkt", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_reuse_pg", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_len_err", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_non_vld_desc_err", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_bd_num_err", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_l2_err", index);
>> - ethtool_sprintf(&buff, "rx_ring%d_l3l4csum_err", index);
>> + ethtool_sprintf(data, "tx_ring%d_rcb_pkt_num", index);
>> + ethtool_sprintf(data, "tx_ring%d_ppe_tx_pkt_num", index);
>> + ethtool_sprintf(data, "tx_ring%d_ppe_drop_pkt_num", index);
>> + ethtool_sprintf(data, "tx_ring%d_fbd_num", index);
>> +
>> + ethtool_sprintf(data, "tx_ring%d_pkt_num", index);
>> + ethtool_sprintf(data, "tx_ring%d_bytes", index);
>> + ethtool_sprintf(data, "tx_ring%d_err_cnt", index);
>> + ethtool_sprintf(data, "tx_ring%d_io_err", index);
>> + ethtool_sprintf(data, "tx_ring%d_sw_err", index);
>> + ethtool_sprintf(data, "tx_ring%d_seg_pkt", index);
>> + ethtool_sprintf(data, "tx_ring%d_restart_queue", index);
>> + ethtool_sprintf(data, "tx_ring%d_tx_busy", index);
>> +
>> + ethtool_sprintf(data, "rx_ring%d_rcb_pkt_num", index);
>> + ethtool_sprintf(data, "rx_ring%d_ppe_pkt_num", index);
>> + ethtool_sprintf(data, "rx_ring%d_ppe_drop_pkt_num", index);
>> + ethtool_sprintf(data, "rx_ring%d_fbd_num", index);
>> +
>> + ethtool_sprintf(data, "rx_ring%d_pkt_num", index);
>> + ethtool_sprintf(data, "rx_ring%d_bytes", index);
>> + ethtool_sprintf(data, "rx_ring%d_err_cnt", index);
>> + ethtool_sprintf(data, "rx_ring%d_io_err", index);
>> + ethtool_sprintf(data, "rx_ring%d_sw_err", index);
>> + ethtool_sprintf(data, "rx_ring%d_seg_pkt", index);
>> + ethtool_sprintf(data, "rx_ring%d_reuse_pg", index);
>> + ethtool_sprintf(data, "rx_ring%d_len_err", index);
>> + ethtool_sprintf(data, "rx_ring%d_non_vld_desc_err", index);
>> + ethtool_sprintf(data, "rx_ring%d_bd_num_err", index);
>> + ethtool_sprintf(data, "rx_ring%d_l2_err", index);
>> + ethtool_sprintf(data, "rx_ring%d_l3l4csum_err", index);
>> }
>> void hns_rcb_get_common_regs(struct rcb_common_cb *rcb_com, void
>> *data)
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.h
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.h
>> index c1e9b6997853..0f4cc184ef39 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.h
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.h
>> @@ -157,7 +157,7 @@ int hns_rcb_get_ring_regs_count(void);
>> void hns_rcb_get_ring_regs(struct hnae_queue *queue, void *data);
>> -void hns_rcb_get_strings(int stringset, u8 *data, int index);
>> +void hns_rcb_get_strings(int stringset, u8 **data, int index);
>> void hns_rcb_set_rx_ring_bs(struct hnae_queue *q, u32 buf_size);
>> void hns_rcb_set_tx_ring_bs(struct hnae_queue *q, u32 buf_size);
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c
>> index c58833eb4830..dbc44c2c26c2 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c
>> @@ -743,16 +743,15 @@ static void hns_xgmac_get_stats(void *mac_drv,
>> u64 *data)
>> *@...ingset: type of values in data
>> *@...a:data for value of string name
>> */
>> -static void hns_xgmac_get_strings(u32 stringset, u8 *data)
>> +static void hns_xgmac_get_strings(u32 stringset, u8 **data)
>> {
>> - u8 *buff = data;
>> u32 i;
>> if (stringset != ETH_SS_STATS)
>> return;
>> for (i = 0; i < ARRAY_SIZE(g_xgmac_stats_string); i++)
>> - ethtool_puts(&buff, g_xgmac_stats_string[i].desc);
>> + ethtool_puts(data, g_xgmac_stats_string[i].desc);
>> }
>> /**
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
>> b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
>> index a5bb306b2cf1..6c458f037262 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
>> @@ -903,7 +903,6 @@ static void hns_get_strings(struct net_device
>> *netdev, u32 stringset, u8 *data)
>> {
>> struct hns_nic_priv *priv = netdev_priv(netdev);
>> struct hnae_handle *h = priv->ae_handle;
>> - u8 *buff = data;
>> if (!h->dev->ops->get_strings) {
>> netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
>> @@ -912,43 +911,43 @@ static void hns_get_strings(struct net_device
>> *netdev, u32 stringset, u8 *data)
>> if (stringset == ETH_SS_TEST) {
>> if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
>> - ethtool_puts(&buff,
>> + ethtool_puts(&data,
>> hns_nic_test_strs[MAC_INTERNALLOOP_MAC]);
>> - ethtool_puts(&buff,
>> hns_nic_test_strs[MAC_INTERNALLOOP_SERDES]);
>> + ethtool_puts(&data,
>> hns_nic_test_strs[MAC_INTERNALLOOP_SERDES]);
>> if ((netdev->phydev) && (!netdev->phydev->is_c45))
>> - ethtool_puts(&buff,
>> + ethtool_puts(&data,
>> hns_nic_test_strs[MAC_INTERNALLOOP_PHY]);
>> } else {
>> - ethtool_puts(&buff, "rx_packets");
>> - ethtool_puts(&buff, "tx_packets");
>> - ethtool_puts(&buff, "rx_bytes");
>> - ethtool_puts(&buff, "tx_bytes");
>> - ethtool_puts(&buff, "rx_errors");
>> - ethtool_puts(&buff, "tx_errors");
>> - ethtool_puts(&buff, "rx_dropped");
>> - ethtool_puts(&buff, "tx_dropped");
>> - ethtool_puts(&buff, "multicast");
>> - ethtool_puts(&buff, "collisions");
>> - ethtool_puts(&buff, "rx_over_errors");
>> - ethtool_puts(&buff, "rx_crc_errors");
>> - ethtool_puts(&buff, "rx_frame_errors");
>> - ethtool_puts(&buff, "rx_fifo_errors");
>> - ethtool_puts(&buff, "rx_missed_errors");
>> - ethtool_puts(&buff, "tx_aborted_errors");
>> - ethtool_puts(&buff, "tx_carrier_errors");
>> - ethtool_puts(&buff, "tx_fifo_errors");
>> - ethtool_puts(&buff, "tx_heartbeat_errors");
>> - ethtool_puts(&buff, "rx_length_errors");
>> - ethtool_puts(&buff, "tx_window_errors");
>> - ethtool_puts(&buff, "rx_compressed");
>> - ethtool_puts(&buff, "tx_compressed");
>> - ethtool_puts(&buff, "netdev_rx_dropped");
>> - ethtool_puts(&buff, "netdev_tx_dropped");
>> -
>> - ethtool_puts(&buff, "netdev_tx_timeout");
>> -
>> - h->dev->ops->get_strings(h, stringset, buff);
>> + ethtool_puts(&data, "rx_packets");
>> + ethtool_puts(&data, "tx_packets");
>> + ethtool_puts(&data, "rx_bytes");
>> + ethtool_puts(&data, "tx_bytes");
>> + ethtool_puts(&data, "rx_errors");
>> + ethtool_puts(&data, "tx_errors");
>> + ethtool_puts(&data, "rx_dropped");
>> + ethtool_puts(&data, "tx_dropped");
>> + ethtool_puts(&data, "multicast");
>> + ethtool_puts(&data, "collisions");
>> + ethtool_puts(&data, "rx_over_errors");
>> + ethtool_puts(&data, "rx_crc_errors");
>> + ethtool_puts(&data, "rx_frame_errors");
>> + ethtool_puts(&data, "rx_fifo_errors");
>> + ethtool_puts(&data, "rx_missed_errors");
>> + ethtool_puts(&data, "tx_aborted_errors");
>> + ethtool_puts(&data, "tx_carrier_errors");
>> + ethtool_puts(&data, "tx_fifo_errors");
>> + ethtool_puts(&data, "tx_heartbeat_errors");
>> + ethtool_puts(&data, "rx_length_errors");
>> + ethtool_puts(&data, "tx_window_errors");
>> + ethtool_puts(&data, "rx_compressed");
>> + ethtool_puts(&data, "tx_compressed");
>> + ethtool_puts(&data, "netdev_rx_dropped");
>> + ethtool_puts(&data, "netdev_tx_dropped");
>> +
>> + ethtool_puts(&data, "netdev_tx_timeout");
>> +
>> + h->dev->ops->get_strings(h, stringset, &data);
>> }
>> }
>> @@ -970,7 +969,7 @@ static int hns_get_sset_count(struct net_device
>> *netdev, int stringset)
>> return -EOPNOTSUPP;
>> }
>> if (stringset == ETH_SS_TEST) {
>> - u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
>> + u32 cnt = ARRAY_SIZE(hns_nic_test_strs);
>> if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
>> cnt--;
>> diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
>> b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
>> index 27dbe367f3d3..710a8f9f2248 100644
>> --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
>> +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
>> @@ -677,7 +677,7 @@ struct hnae3_ae_ops {
>> void (*get_mac_stats)(struct hnae3_handle *handle,
>> struct hns3_mac_stats *mac_stats);
>> void (*get_strings)(struct hnae3_handle *handle,
>> - u32 stringset, u8 *data);
>> + u32 stringset, u8 **data);
>> int (*get_sset_count)(struct hnae3_handle *handle, int stringset);
>> void (*get_regs)(struct hnae3_handle *handle, u32 *version,
>> diff --git
>> a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.c
>> b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.c
>> index 2b31188ff555..f9a3d6fc4416 100644
>> ---
>> a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.c
>> +++
>> b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.c
>> @@ -36,27 +36,22 @@ int hclge_comm_tqps_get_sset_count(struct
>> hnae3_handle *handle)
>> }
>> EXPORT_SYMBOL_GPL(hclge_comm_tqps_get_sset_count);
>> -u8 *hclge_comm_tqps_get_strings(struct hnae3_handle *handle, u8
>> *data)
>> +void hclge_comm_tqps_get_strings(struct hnae3_handle *handle, u8
>> **data)
>> {
>> struct hnae3_knic_private_info *kinfo = &handle->kinfo;
>> - u8 *buff = data;
>> u16 i;
>> for (i = 0; i < kinfo->num_tqps; i++) {
>> struct hclge_comm_tqp *tqp =
>> container_of(kinfo->tqp[i], struct hclge_comm_tqp, q);
>> - snprintf(buff, ETH_GSTRING_LEN, "txq%u_pktnum_rcd",
>> tqp->index);
>> - buff += ETH_GSTRING_LEN;
>> + ethtool_sprintf(data, "txq%u_pktnum_rcd", tqp->index);
>> }
>> for (i = 0; i < kinfo->num_tqps; i++) {
>> struct hclge_comm_tqp *tqp =
>> container_of(kinfo->tqp[i], struct hclge_comm_tqp, q);
>> - snprintf(buff, ETH_GSTRING_LEN, "rxq%u_pktnum_rcd",
>> tqp->index);
>> - buff += ETH_GSTRING_LEN;
>> + ethtool_sprintf(data, "rxq%u_pktnum_rcd", tqp->index);
>> }
>> -
>> - return buff;
>> }
>> EXPORT_SYMBOL_GPL(hclge_comm_tqps_get_strings);
>> diff --git
>> a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.h
>> b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.h
>> index a46350162ee8..b9ff424c0bc2 100644
>> ---
>> a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.h
>> +++
>> b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.h
>> @@ -32,7 +32,7 @@ struct hclge_comm_tqp {
>> u64 *hclge_comm_tqps_get_stats(struct hnae3_handle *handle, u64
>> *data);
>> int hclge_comm_tqps_get_sset_count(struct hnae3_handle *handle);
>> -u8 *hclge_comm_tqps_get_strings(struct hnae3_handle *handle, u8 *data);
>> +void hclge_comm_tqps_get_strings(struct hnae3_handle *handle, u8
>> **data);
>> void hclge_comm_reset_tqp_stats(struct hnae3_handle *handle);
>> int hclge_comm_tqps_update_stats(struct hnae3_handle *handle,
>> struct hclge_comm_hw *hw);
>> diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
>> b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
>> index b1e988347347..a6b1ab7d6ee2 100644
>> --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
>> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
>> @@ -509,54 +509,38 @@ static int hns3_get_sset_count(struct
>> net_device *netdev, int stringset)
>> }
>> }
>> -static void *hns3_update_strings(u8 *data, const struct hns3_stats
>> *stats,
>> - u32 stat_count, u32 num_tqps, const char *prefix)
>> +static void hns3_update_strings(u8 **data, const struct hns3_stats
>> *stats,
>> + u32 stat_count, u32 num_tqps,
>> + const char *prefix)
>> {
>> #define MAX_PREFIX_SIZE (6 + 4)
>> - u32 size_left;
>> u32 i, j;
>> - u32 n1;
>> - for (i = 0; i < num_tqps; i++) {
>> - for (j = 0; j < stat_count; j++) {
>> - data[ETH_GSTRING_LEN - 1] = '\0';
>> -
>> - /* first, prepend the prefix string */
>> - n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_",
>> - prefix, i);
>> - size_left = (ETH_GSTRING_LEN - 1) - n1;
>> -
>> - /* now, concatenate the stats string to it */
>> - strncat(data, stats[j].stats_string, size_left);
>> - data += ETH_GSTRING_LEN;
>> - }
>> - }
>> -
>> - return data;
>> + for (i = 0; i < num_tqps; i++)
>> + for (j = 0; j < stat_count; j++)
>> + ethtool_sprintf(data, "%s%u_%s", prefix, i,
>> + stats[j].stats_string);
>> }
>> -static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8
>> *data)
>> +static void hns3_get_strings_tqps(struct hnae3_handle *handle, u8
>> **data)
>> {
>> struct hnae3_knic_private_info *kinfo = &handle->kinfo;
>> const char tx_prefix[] = "txq";
>> const char rx_prefix[] = "rxq";
>> /* get strings for Tx */
>> - data = hns3_update_strings(data, hns3_txq_stats,
>> HNS3_TXQ_STATS_COUNT,
>> - kinfo->num_tqps, tx_prefix);
>> + hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
>> + kinfo->num_tqps, tx_prefix);
>> /* get strings for Rx */
>> - data = hns3_update_strings(data, hns3_rxq_stats,
>> HNS3_RXQ_STATS_COUNT,
>> - kinfo->num_tqps, rx_prefix);
>> -
>> - return data;
>> + hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
>> + kinfo->num_tqps, rx_prefix);
>> }
>> static void hns3_get_strings(struct net_device *netdev, u32
>> stringset, u8 *data)
>> {
>> struct hnae3_handle *h = hns3_get_handle(netdev);
>> const struct hnae3_ae_ops *ops = h->ae_algo->ops;
>> - char *buff = (char *)data;
>> int i;
>> if (!ops->get_strings)
>> @@ -564,18 +548,15 @@ static void hns3_get_strings(struct net_device
>> *netdev, u32 stringset, u8 *data)
>> switch (stringset) {
>> case ETH_SS_STATS:
>> - buff = hns3_get_strings_tqps(h, buff);
>> - ops->get_strings(h, stringset, (u8 *)buff);
>> + hns3_get_strings_tqps(h, &data);
>> + ops->get_strings(h, stringset, &data);
>> break;
>> case ETH_SS_TEST:
>> - ops->get_strings(h, stringset, data);
>> + ops->get_strings(h, stringset, &data);
>> break;
>> case ETH_SS_PRIV_FLAGS:
>> - for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) {
>> - snprintf(buff, ETH_GSTRING_LEN, "%s",
>> - hns3_priv_flags[i].name);
>> - buff += ETH_GSTRING_LEN;
>> - }
>> + for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++)
>> + ethtool_puts(&data, hns3_priv_flags[i].name);
>> break;
>> default:
>> break;
>> diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
>> b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
>> index bd86efd92a5a..05942fa78b11 100644
>> --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
>> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
>> @@ -594,25 +594,21 @@ static u64 *hclge_comm_get_stats(struct
>> hclge_dev *hdev,
>> return buf;
>> }
>> -static u8 *hclge_comm_get_strings(struct hclge_dev *hdev, u32
>> stringset,
>> - const struct hclge_comm_stats_str strs[],
>> - int size, u8 *data)
>> +static void hclge_comm_get_strings(struct hclge_dev *hdev, u32
>> stringset,
>> + const struct hclge_comm_stats_str strs[],
>> + int size, u8 **data)
>> {
>> - char *buff = (char *)data;
>> u32 i;
>> if (stringset != ETH_SS_STATS)
>> - return buff;
>> + return;
>> for (i = 0; i < size; i++) {
>> if (strs[i].stats_num > hdev->ae_dev->dev_specs.mac_stats_num)
>> continue;
>> - snprintf(buff, ETH_GSTRING_LEN, "%s", strs[i].desc);
>> - buff = buff + ETH_GSTRING_LEN;
>> + ethtool_puts(data, strs[i].desc);
>> }
>> -
>> - return (u8 *)buff;
>> }
>> static void hclge_update_stats_for_all(struct hclge_dev *hdev)
>> @@ -717,44 +713,38 @@ static int hclge_get_sset_count(struct
>> hnae3_handle *handle, int stringset)
>> }
>> static void hclge_get_strings(struct hnae3_handle *handle, u32
>> stringset,
>> - u8 *data)
>> + u8 **data)
>> {
>> struct hclge_vport *vport = hclge_get_vport(handle);
>> struct hclge_dev *hdev = vport->back;
>> - u8 *p = (char *)data;
>> + const char *str;
>> int size;
>> if (stringset == ETH_SS_STATS) {
>> size = ARRAY_SIZE(g_mac_stats_string);
>> - p = hclge_comm_get_strings(hdev, stringset, g_mac_stats_string,
>> - size, p);
>> - p = hclge_comm_tqps_get_strings(handle, p);
>> + hclge_comm_get_strings(hdev, stringset, g_mac_stats_string,
>> + size, data);
>> + hclge_comm_tqps_get_strings(handle, data);
>> } else if (stringset == ETH_SS_TEST) {
>> if (handle->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK) {
>> - memcpy(p, hns3_nic_test_strs[HNAE3_LOOP_EXTERNAL],
>> - ETH_GSTRING_LEN);
>> - p += ETH_GSTRING_LEN;
>> + str = hns3_nic_test_strs[HNAE3_LOOP_EXTERNAL];
>> + ethtool_puts(data, str);
>> }
>> if (handle->flags & HNAE3_SUPPORT_APP_LOOPBACK) {
>> - memcpy(p, hns3_nic_test_strs[HNAE3_LOOP_APP],
>> - ETH_GSTRING_LEN);
>> - p += ETH_GSTRING_LEN;
>> + str = hns3_nic_test_strs[HNAE3_LOOP_APP];
>> + ethtool_puts(data, str);
>> }
>> if (handle->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK) {
>> - memcpy(p, hns3_nic_test_strs[HNAE3_LOOP_SERIAL_SERDES],
>> - ETH_GSTRING_LEN);
>> - p += ETH_GSTRING_LEN;
>> + str = hns3_nic_test_strs[HNAE3_LOOP_SERIAL_SERDES];
>> + ethtool_puts(data, str);
>> }
>> if (handle->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK) {
>> - memcpy(p,
>> - hns3_nic_test_strs[HNAE3_LOOP_PARALLEL_SERDES],
>> - ETH_GSTRING_LEN);
>> - p += ETH_GSTRING_LEN;
>> + str = hns3_nic_test_strs[HNAE3_LOOP_PARALLEL_SERDES];
>> + ethtool_puts(data, str);
>> }
>> if (handle->flags & HNAE3_SUPPORT_PHY_LOOPBACK) {
>> - memcpy(p, hns3_nic_test_strs[HNAE3_LOOP_PHY],
>> - ETH_GSTRING_LEN);
>> - p += ETH_GSTRING_LEN;
>> + str = hns3_nic_test_strs[HNAE3_LOOP_PHY];
>> + ethtool_puts(data, str);
>> }
>> }
>> }
>> diff --git
>> a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
>> b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
>> index 094a7c7b5592..2f6ffb88e700 100644
>> --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
>> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
>> @@ -130,12 +130,10 @@ static int hclgevf_get_sset_count(struct
>> hnae3_handle *handle, int strset)
>> }
>> static void hclgevf_get_strings(struct hnae3_handle *handle, u32
>> strset,
>> - u8 *data)
>> + u8 **data)
>> {
>> - u8 *p = (char *)data;
>> -
>> if (strset == ETH_SS_STATS)
>> - p = hclge_comm_tqps_get_strings(handle, p);
>> + hclge_comm_tqps_get_strings(handle, data);
>> }
>> static void hclgevf_get_stats(struct hnae3_handle *handle, u64
>> *data)
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