Commit b0aabb3b authored by Jian Shen's avatar Jian Shen Committed by Jakub Kicinski
Browse files

net: hns3: use seq_file for files in tx_bd_info/ and rx_bd_info/ in debugfs 



This patch use seq_file for the following nodes:
tx_bd_queue_*/rx_bd_queue_*

This patch is the last modification to debugfs file.
Unused functions and variables are removed together.

Signed-off-by: default avatarJian Shen <shenjian15@huawei.com>
Signed-off-by: default avatarJijie Shao <shaojijie@huawei.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20250714061037.2616413-11-shaojijie@huawei.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 9e1545b4

drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

+65 −288
Original line number Diff line number Diff line
@@ -49,315 +49,270 @@ static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = { 
		.name = "tm_nodes",

		.cmd = HNAE3_DBG_CMD_TM_NODES,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "tm_priority",

		.cmd = HNAE3_DBG_CMD_TM_PRI,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "tm_qset",

		.cmd = HNAE3_DBG_CMD_TM_QSET,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN_1MB,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "tm_map",

		.cmd = HNAE3_DBG_CMD_TM_MAP,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN_1MB,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "tm_pg",

		.cmd = HNAE3_DBG_CMD_TM_PG,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "tm_port",

		.cmd = HNAE3_DBG_CMD_TM_PORT,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "tc_sch_info",

		.cmd = HNAE3_DBG_CMD_TC_SCH_INFO,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "qos_pause_cfg",

		.cmd = HNAE3_DBG_CMD_QOS_PAUSE_CFG,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "qos_pri_map",

		.cmd = HNAE3_DBG_CMD_QOS_PRI_MAP,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "qos_dscp_map",

		.cmd = HNAE3_DBG_CMD_QOS_DSCP_MAP,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "qos_buf_cfg",

		.cmd = HNAE3_DBG_CMD_QOS_BUF_CFG,

		.dentry = HNS3_DBG_DENTRY_TM,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "dev_info",

		.cmd = HNAE3_DBG_CMD_DEV_INFO,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t1,

	},

	{

		.name = "tx_bd_queue",

		.cmd = HNAE3_DBG_CMD_TX_BD,

		.dentry = HNS3_DBG_DENTRY_TX_BD,

		.buf_len = HNS3_DBG_READ_LEN_5MB,

		.init = hns3_dbg_bd_file_init,

	},

	{

		.name = "rx_bd_queue",

		.cmd = HNAE3_DBG_CMD_RX_BD,

		.dentry = HNS3_DBG_DENTRY_RX_BD,

		.buf_len = HNS3_DBG_READ_LEN_4MB,

		.init = hns3_dbg_bd_file_init,

	},

	{

		.name = "uc",

		.cmd = HNAE3_DBG_CMD_MAC_UC,

		.dentry = HNS3_DBG_DENTRY_MAC,

		.buf_len = HNS3_DBG_READ_LEN_128KB,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "mc",

		.cmd = HNAE3_DBG_CMD_MAC_MC,

		.dentry = HNS3_DBG_DENTRY_MAC,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "mng_tbl",

		.cmd = HNAE3_DBG_CMD_MNG_TBL,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "loopback",

		.cmd = HNAE3_DBG_CMD_LOOPBACK,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "interrupt_info",

		.cmd = HNAE3_DBG_CMD_INTERRUPT_INFO,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "reset_info",

		.cmd = HNAE3_DBG_CMD_RESET_INFO,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "imp_info",

		.cmd = HNAE3_DBG_CMD_IMP_INFO,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "ncl_config",

		.cmd = HNAE3_DBG_CMD_NCL_CONFIG,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN_128KB,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "mac_tnl_status",

		.cmd = HNAE3_DBG_CMD_MAC_TNL_STATUS,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "bios_common",

		.cmd = HNAE3_DBG_CMD_REG_BIOS_COMMON,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "ssu",

		.cmd = HNAE3_DBG_CMD_REG_SSU,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "igu_egu",

		.cmd = HNAE3_DBG_CMD_REG_IGU_EGU,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "rpu",

		.cmd = HNAE3_DBG_CMD_REG_RPU,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "ncsi",

		.cmd = HNAE3_DBG_CMD_REG_NCSI,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "rtc",

		.cmd = HNAE3_DBG_CMD_REG_RTC,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "ppp",

		.cmd = HNAE3_DBG_CMD_REG_PPP,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "rcb",

		.cmd = HNAE3_DBG_CMD_REG_RCB,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "tqp",

		.cmd = HNAE3_DBG_CMD_REG_TQP,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN_128KB,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "mac",

		.cmd = HNAE3_DBG_CMD_REG_MAC,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "dcb",

		.cmd = HNAE3_DBG_CMD_REG_DCB,

		.dentry = HNS3_DBG_DENTRY_REG,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "queue_map",

		.cmd = HNAE3_DBG_CMD_QUEUE_MAP,

		.dentry = HNS3_DBG_DENTRY_QUEUE,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t1,

	},

	{

		.name = "rx_queue_info",

		.cmd = HNAE3_DBG_CMD_RX_QUEUE_INFO,

		.dentry = HNS3_DBG_DENTRY_QUEUE,

		.buf_len = HNS3_DBG_READ_LEN_1MB,

		.init = hns3_dbg_common_init_t1,

	},

	{

		.name = "tx_queue_info",

		.cmd = HNAE3_DBG_CMD_TX_QUEUE_INFO,

		.dentry = HNS3_DBG_DENTRY_QUEUE,

		.buf_len = HNS3_DBG_READ_LEN_1MB,

		.init = hns3_dbg_common_init_t1,

	},

	{

		.name = "fd_tcam",

		.cmd = HNAE3_DBG_CMD_FD_TCAM,

		.dentry = HNS3_DBG_DENTRY_FD,

		.buf_len = HNS3_DBG_READ_LEN_1MB,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "service_task_info",

		.cmd = HNAE3_DBG_CMD_SERV_INFO,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "vlan_config",

		.cmd = HNAE3_DBG_CMD_VLAN_CONFIG,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "ptp_info",

		.cmd = HNAE3_DBG_CMD_PTP_INFO,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "fd_counter",

		.cmd = HNAE3_DBG_CMD_FD_COUNTER,

		.dentry = HNS3_DBG_DENTRY_FD,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "umv_info",

		.cmd = HNAE3_DBG_CMD_UMV_INFO,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t2,

	},

	{

		.name = "page_pool_info",

		.cmd = HNAE3_DBG_CMD_PAGE_POOL_INFO,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN,

		.init = hns3_dbg_common_init_t1,

	},

	{

		.name = "coalesce_info",

		.cmd = HNAE3_DBG_CMD_COAL_INFO,

		.dentry = HNS3_DBG_DENTRY_COMMON,

		.buf_len = HNS3_DBG_READ_LEN_1MB,

		.init = hns3_dbg_common_init_t1,

	},

};
@@ -428,44 +383,6 @@ static const char * const dim_state_str[] = { "START", "IN_PROG", "APPLY" }; 
static const char * const

dim_tune_stat_str[] = { "ON_TOP", "TIRED", "RIGHT", "LEFT" };



static void hns3_dbg_fill_content(char *content, u16 len,

				  const struct hns3_dbg_item *items,

				  const char **result, u16 size)

{

#define HNS3_DBG_LINE_END_LEN	2

	char *pos = content;

	u16 item_len;

	u16 i;



	if (!len) {

		return;

	} else if (len <= HNS3_DBG_LINE_END_LEN) {

		*pos++ = '\0';

		return;

	}



	memset(content, ' ', len);

	len -= HNS3_DBG_LINE_END_LEN;



	for (i = 0; i < size; i++) {

		item_len = strlen(items[i].name) + items[i].interval;

		if (len < item_len)

			break;



		if (result) {

			if (item_len < strlen(result[i]))

				break;

			memcpy(pos, result[i], strlen(result[i]));

		} else {

			memcpy(pos, items[i].name, strlen(items[i].name));

		}

		pos += item_len;

		len -= item_len;

	}

	*pos++ = '\n';

	*pos++ = '\0';

}



static void hns3_get_coal_info(struct hns3_enet_tqp_vector *tqp_vector,

			       struct seq_file *s, int i, bool is_tx)

{
@@ -692,157 +609,100 @@ static int hns3_dbg_queue_map(struct seq_file *s, void *data) 
	return 0;

}



static const struct hns3_dbg_item rx_bd_info_items[] = {

	{ "BD_IDX", 3 },

	{ "L234_INFO", 2 },

	{ "PKT_LEN", 3 },

	{ "SIZE", 4 },

	{ "RSS_HASH", 4 },

	{ "FD_ID", 2 },

	{ "VLAN_TAG", 2 },

	{ "O_DM_VLAN_ID_FB", 2 },

	{ "OT_VLAN_TAG", 2 },

	{ "BD_BASE_INFO", 2 },

	{ "PTYPE", 2 },

	{ "HW_CSUM", 2 },

};



static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv,

				 struct hns3_desc *desc, char **result, int idx)

{

	unsigned int j = 0;



	sprintf(result[j++], "%d", idx);

	sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info));

	sprintf(result[j++], "%u", le16_to_cpu(desc->rx.pkt_len));

	sprintf(result[j++], "%u", le16_to_cpu(desc->rx.size));

	sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash));

	sprintf(result[j++], "%u", le16_to_cpu(desc->rx.fd_id));

	sprintf(result[j++], "%u", le16_to_cpu(desc->rx.vlan_tag));

	sprintf(result[j++], "%u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb));

	sprintf(result[j++], "%u", le16_to_cpu(desc->rx.ot_vlan_tag));

	sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info));

				 struct hns3_desc *desc, struct seq_file *s,

				 int idx)

{

	seq_printf(s, "%-9d%#-11x%-10u%-8u%#-12x%-7u%-10u%-17u%-13u%#-14x",

		   idx, le32_to_cpu(desc->rx.l234_info),

		   le16_to_cpu(desc->rx.pkt_len), le16_to_cpu(desc->rx.size),

		   le32_to_cpu(desc->rx.rss_hash), le16_to_cpu(desc->rx.fd_id),

		   le16_to_cpu(desc->rx.vlan_tag),

		   le16_to_cpu(desc->rx.o_dm_vlan_id_fb),

		   le16_to_cpu(desc->rx.ot_vlan_tag),

		   le32_to_cpu(desc->rx.bd_base_info));



	if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) {

		u32 ol_info = le32_to_cpu(desc->rx.ol_info);



		sprintf(result[j++], "%5lu", hnae3_get_field(ol_info,

							     HNS3_RXD_PTYPE_M,

							     HNS3_RXD_PTYPE_S));

		sprintf(result[j++], "%7u", le16_to_cpu(desc->csum));

		seq_printf(s, "%-7lu%-9u\n",

			   hnae3_get_field(ol_info, HNS3_RXD_PTYPE_M,

					   HNS3_RXD_PTYPE_S),

			   le16_to_cpu(desc->csum));

	} else {

		sprintf(result[j++], "NA");

		sprintf(result[j++], "NA");

		seq_puts(s, "NA     NA\n");

	}

}



static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len)

static int hns3_dbg_rx_bd_info(struct seq_file *s, void *private)

{

	char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN];

	struct hns3_nic_priv *priv = d->handle->priv;

	char *result[ARRAY_SIZE(rx_bd_info_items)];

	char content[HNS3_DBG_INFO_LEN];

	struct hns3_dbg_data *data = s->private;

	struct hnae3_handle *h = data->handle;

	struct hns3_nic_priv *priv = h->priv;

	struct hns3_enet_ring *ring;

	struct hns3_desc *desc;

	unsigned int i;

	int pos = 0;



	if (d->qid >= d->handle->kinfo.num_tqps) {

		dev_err(&d->handle->pdev->dev,

			"queue%u is not in use\n", d->qid);

	if (data->qid >= h->kinfo.num_tqps) {

		dev_err(&h->pdev->dev, "queue%u is not in use\n", data->qid);

		return -EINVAL;

	}



	for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++)

		result[i] = &data_str[i][0];

	seq_printf(s, "Queue %u rx bd info:\n", data->qid);

	seq_puts(s, "BD_IDX   L234_INFO  PKT_LEN   SIZE    ");

	seq_puts(s, "RSS_HASH    FD_ID  VLAN_TAG  O_DM_VLAN_ID_FB  ");

	seq_puts(s, "OT_VLAN_TAG  BD_BASE_INFO  PTYPE  HW_CSUM\n");



	pos += scnprintf(buf + pos, len - pos,

			  "Queue %u rx bd info:\n", d->qid);

	hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items,

			      NULL, ARRAY_SIZE(rx_bd_info_items));

	pos += scnprintf(buf + pos, len - pos, "%s", content);



	ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps];

	ring = &priv->ring[data->qid + data->handle->kinfo.num_tqps];

	for (i = 0; i < ring->desc_num; i++) {

		desc = &ring->desc[i];



		hns3_dump_rx_bd_info(priv, desc, result, i);

		hns3_dbg_fill_content(content, sizeof(content),

				      rx_bd_info_items, (const char **)result,

				      ARRAY_SIZE(rx_bd_info_items));

		pos += scnprintf(buf + pos, len - pos, "%s", content);

		hns3_dump_rx_bd_info(priv, desc, s, i);

	}



	return 0;

}



static const struct hns3_dbg_item tx_bd_info_items[] = {

	{ "BD_IDX", 2 },

	{ "ADDRESS", 13 },

	{ "VLAN_TAG", 2 },

	{ "SIZE", 2 },

	{ "T_CS_VLAN_TSO", 2 },

	{ "OT_VLAN_TAG", 3 },

	{ "TV", 5 },

	{ "OLT_VLAN_LEN", 2 },

	{ "PAYLEN_OL4CS", 2 },

	{ "BD_FE_SC_VLD", 2 },

	{ "MSS_HW_CSUM", 0 },

};



static void hns3_dump_tx_bd_info(struct hns3_desc *desc, char **result, int idx)

{

	unsigned int j = 0;



	sprintf(result[j++], "%d", idx);

	sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr));

	sprintf(result[j++], "%u", le16_to_cpu(desc->tx.vlan_tag));

	sprintf(result[j++], "%u", le16_to_cpu(desc->tx.send_size));

	sprintf(result[j++], "%#x",

		le32_to_cpu(desc->tx.type_cs_vlan_tso_len));

	sprintf(result[j++], "%u", le16_to_cpu(desc->tx.outer_vlan_tag));

	sprintf(result[j++], "%u", le16_to_cpu(desc->tx.tv));

	sprintf(result[j++], "%u",

		le32_to_cpu(desc->tx.ol_type_vlan_len_msec));

	sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs));

	sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri));

	sprintf(result[j++], "%u", le16_to_cpu(desc->tx.mss_hw_csum));

static void hns3_dump_tx_bd_info(struct hns3_desc *desc, struct seq_file *s,

				 int idx)

{

	seq_printf(s, "%-8d%#-20llx%-10u%-6u%#-15x%-14u%-7u%-16u%#-14x%#-14x%-11u\n",

		   idx, le64_to_cpu(desc->addr),

		   le16_to_cpu(desc->tx.vlan_tag),

		   le16_to_cpu(desc->tx.send_size),

		   le32_to_cpu(desc->tx.type_cs_vlan_tso_len),

		   le16_to_cpu(desc->tx.outer_vlan_tag),

		   le16_to_cpu(desc->tx.tv),

		   le32_to_cpu(desc->tx.ol_type_vlan_len_msec),

		   le32_to_cpu(desc->tx.paylen_ol4cs),

		   le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri),

		   le16_to_cpu(desc->tx.mss_hw_csum));

}



static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len)

static int hns3_dbg_tx_bd_info(struct seq_file *s, void *private)

{

	char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN];

	struct hns3_nic_priv *priv = d->handle->priv;

	char *result[ARRAY_SIZE(tx_bd_info_items)];

	char content[HNS3_DBG_INFO_LEN];

	struct hns3_dbg_data *data = s->private;

	struct hnae3_handle *h = data->handle;

	struct hns3_nic_priv *priv = h->priv;

	struct hns3_enet_ring *ring;

	struct hns3_desc *desc;

	unsigned int i;

	int pos = 0;



	if (d->qid >= d->handle->kinfo.num_tqps) {

		dev_err(&d->handle->pdev->dev,

			"queue%u is not in use\n", d->qid);

	if (data->qid >= h->kinfo.num_tqps) {

		dev_err(&h->pdev->dev, "queue%u is not in use\n", data->qid);

		return -EINVAL;

	}



	for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++)

		result[i] = &data_str[i][0];

	seq_printf(s, "Queue %u tx bd info:\n", data->qid);

	seq_puts(s, "BD_IDX  ADDRESS             VLAN_TAG  SIZE  ");

	seq_puts(s, "T_CS_VLAN_TSO  OT_VLAN_TAG   TV     OLT_VLAN_LEN  ");

	seq_puts(s, "PAYLEN_OL4CS  BD_FE_SC_VLD   MSS_HW_CSUM\n");



	pos += scnprintf(buf + pos, len - pos,

			  "Queue %u tx bd info:\n", d->qid);

	hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items,

			      NULL, ARRAY_SIZE(tx_bd_info_items));

	pos += scnprintf(buf + pos, len - pos, "%s", content);



	ring = &priv->ring[d->qid];

	ring = &priv->ring[data->qid];

	for (i = 0; i < ring->desc_num; i++) {

		desc = &ring->desc[i];



		hns3_dump_tx_bd_info(desc, result, i);

		hns3_dbg_fill_content(content, sizeof(content),

				      tx_bd_info_items, (const char **)result,

				      ARRAY_SIZE(tx_bd_info_items));

		pos += scnprintf(buf + pos, len - pos, "%s", content);

		hns3_dump_tx_bd_info(desc, s, i);

	}



	return 0;
@@ -955,112 +815,29 @@ static int hns3_dbg_page_pool_info(struct seq_file *s, void *data) 
	return 0;

}



static int hns3_dbg_get_cmd_index(struct hns3_dbg_data *dbg_data, u32 *index)

{

	u32 i;



	for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) {

		if (hns3_dbg_cmd[i].cmd == dbg_data->cmd) {

			*index = i;

			return 0;

		}

	}



	dev_err(&dbg_data->handle->pdev->dev, "unknown command(%d)\n",

		dbg_data->cmd);

	return -EINVAL;

}



static const struct hns3_dbg_func hns3_dbg_cmd_func[] = {

	{

		.cmd = HNAE3_DBG_CMD_TX_BD,

		.dbg_dump_bd = hns3_dbg_tx_bd_info,

	},

	{

		.cmd = HNAE3_DBG_CMD_RX_BD,

		.dbg_dump_bd = hns3_dbg_rx_bd_info,

	},

};



static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data,

			     enum hnae3_dbg_cmd cmd, char *buf, int len)

{

	const struct hns3_dbg_func *cmd_func;

	u32 i;



	for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) {

		if (cmd == hns3_dbg_cmd_func[i].cmd) {

			cmd_func = &hns3_dbg_cmd_func[i];

			if (cmd_func->dbg_dump)

				return cmd_func->dbg_dump(dbg_data->handle, buf,

							  len);

			else

				return cmd_func->dbg_dump_bd(dbg_data, buf,

							     len);

		}

	}



	return -EOPNOTSUPP;

}



static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer,

			     size_t count, loff_t *ppos)

static int hns3_dbg_bd_info_show(struct seq_file *s, void *private)

{

	char *buf = filp->private_data;



	return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));

}



static int hns3_dbg_open(struct inode *inode, struct file *filp)

{

	struct hns3_dbg_data *dbg_data = inode->i_private;

	struct hnae3_handle *handle = dbg_data->handle;

	struct hns3_nic_priv *priv = handle->priv;

	u32 index;

	char *buf;

	int ret;

	struct hns3_dbg_data *data = s->private;

	struct hnae3_handle *h = data->handle;

	struct hns3_nic_priv *priv = h->priv;



	if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) ||

	    test_bit(HNS3_NIC_STATE_RESETTING, &priv->state))

		return -EBUSY;



	ret = hns3_dbg_get_cmd_index(dbg_data, &index);

	if (ret)

		return ret;



	buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL);

	if (!buf)

		return -ENOMEM;



	ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd,

				buf, hns3_dbg_cmd[index].buf_len);

	if (ret) {

		kvfree(buf);

		return ret;

	}

	if (data->cmd == HNAE3_DBG_CMD_TX_BD)

		return hns3_dbg_tx_bd_info(s, private);

	else if (data->cmd == HNAE3_DBG_CMD_RX_BD)

		return hns3_dbg_rx_bd_info(s, private);



	filp->private_data = buf;

	return 0;

}



static int hns3_dbg_release(struct inode *inode, struct file *filp)

{

	kvfree(filp->private_data);

	filp->private_data = NULL;

	return 0;

	return -EOPNOTSUPP;

}



static const struct file_operations hns3_dbg_fops = {

	.owner = THIS_MODULE,

	.open  = hns3_dbg_open,

	.read  = hns3_dbg_read,

	.release = hns3_dbg_release,

};

DEFINE_SHOW_ATTRIBUTE(hns3_dbg_bd_info);



static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd)

{

	struct dentry *entry_dir;

	struct hns3_dbg_data *data;

	struct dentry *entry_dir;

	u16 max_queue_num;

	unsigned int i;
@@ -1079,7 +856,7 @@ static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 
		data[i].qid = i;

		sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i);

		debugfs_create_file(name, 0400, entry_dir, &data[i],

				    &hns3_dbg_fops);

				    &hns3_dbg_bd_info_fops);

	}



	return 0;

drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.h

+0 −16
Original line number Diff line number Diff line
@@ -6,15 +6,6 @@ 


#include "hnae3.h"



#define HNS3_DBG_READ_LEN	65536

#define HNS3_DBG_READ_LEN_128KB	0x20000

#define HNS3_DBG_READ_LEN_1MB	0x100000

#define HNS3_DBG_READ_LEN_4MB	0x400000

#define HNS3_DBG_READ_LEN_5MB	0x500000

#define HNS3_DBG_WRITE_LEN	1024



#define HNS3_DBG_DATA_STR_LEN	32

#define HNS3_DBG_INFO_LEN	256

#define HNS3_DBG_ITEM_NAME_LEN	32

#define HNS3_DBG_FILE_NAME_LEN	16
@@ -49,16 +40,9 @@ struct hns3_dbg_cmd_info { 
	const char *name;

	enum hnae3_dbg_cmd cmd;

	enum hns3_dbg_dentry_type dentry;

	u32 buf_len;

	int (*init)(struct hnae3_handle *handle, unsigned int cmd);

};



struct hns3_dbg_func {

	enum hnae3_dbg_cmd cmd;

	int (*dbg_dump)(struct hnae3_handle *handle, char *buf, int len);

	int (*dbg_dump_bd)(struct hns3_dbg_data *data, char *buf, int len);

};



struct hns3_dbg_cap_info {

	const char *name;

	enum HNAE3_DEV_CAP_BITS cap_bit;