net: hns3: refactor dump bd info of debugfs
authorHuazhong Tan <tanhuazhong@huawei.com>
Fri, 14 May 2021 03:25:13 +0000 (11:25 +0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 14 May 2021 22:07:34 +0000 (15:07 -0700)
Currently, the debugfs command for bd info is implemented
by "echo xxxx > cmd", and record the information in dmesg.
It's unnecessary and heavy.

To improve it, add two debugfs directories "tx_bd_info" and
"rx_bd_info", and create a file for each queue under these
two directories, and query the bd info of specific queue by
"cat tx_bd_info/tx_bd_queue*" or "cat rx_bd_info/rx_bd_queue*",
return the result to userspace, rather than record in dmesg.

The display style is below:
$ cat rx_bd_info/rx_bd_queue0
Queue 0 rx bd info:
BD_IDX   L234_INFO  PKT_LEN   SIZE...
0        0x0             60     60...
1        0x0           1512   1512...

$ cat tx_bd_info/tx_bd_queue0
Queue 0 tx bd info:
BD_IDX     ADDRESS  VLAN_TAG  SIZE...
0          0x0          0        0...
1          0x0          0        0...

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/hisilicon/hns3/hnae3.h
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.h
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
drivers/net/ethernet/hisilicon/hns3/hns3_enet.h

index a5cf927..6ec504a 100644 (file)
@@ -255,6 +255,8 @@ enum hnae3_dbg_cmd {
        HNAE3_DBG_CMD_TM_PRI,
        HNAE3_DBG_CMD_TM_QSET,
        HNAE3_DBG_CMD_DEV_INFO,
+       HNAE3_DBG_CMD_TX_BD,
+       HNAE3_DBG_CMD_RX_BD,
        HNAE3_DBG_CMD_UNKNOWN,
 };
 
index e6c3175..fb3c2d4 100644 (file)
@@ -14,12 +14,19 @@ static struct hns3_dbg_dentry_info hns3_dbg_dentry[] = {
        {
                .name = "tm"
        },
+       {
+               .name = "tx_bd_info"
+       },
+       {
+               .name = "rx_bd_info"
+       },
        /* keep common at the bottom and add new directory above */
        {
                .name = "common"
        },
 };
 
+static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, unsigned int cmd);
 static int hns3_dbg_common_file_init(struct hnae3_handle *handle,
                                     unsigned int cmd);
 
@@ -52,6 +59,20 @@ static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = {
                .buf_len = HNS3_DBG_READ_LEN,
                .init = hns3_dbg_common_file_init,
        },
+       {
+               .name = "tx_bd_queue",
+               .cmd = HNAE3_DBG_CMD_TX_BD,
+               .dentry = HNS3_DBG_DENTRY_TX_BD,
+               .buf_len = HNS3_DBG_READ_LEN_4MB,
+               .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,
+       },
 };
 
 static struct hns3_dbg_cap_info hns3_dbg_cap[] = {
@@ -91,6 +112,27 @@ static struct hns3_dbg_cap_info hns3_dbg_cap[] = {
        },
 };
 
+static void hns3_dbg_fill_content(char *content, u16 len,
+                                 const struct hns3_dbg_item *items,
+                                 const char **result, u16 size)
+{
+       char *pos = content;
+       u16 i;
+
+       memset(content, ' ', len);
+       for (i = 0; i < size; i++) {
+               if (result)
+                       strncpy(pos, result[i], strlen(result[i]));
+               else
+                       strncpy(pos, items[i].name, strlen(items[i].name));
+
+               pos += strlen(items[i].name) + items[i].interval;
+       }
+
+       *pos++ = '\n';
+       *pos++ = '\0';
+}
+
 static int hns3_dbg_queue_info(struct hnae3_handle *h,
                               const char *cmd_buf)
 {
@@ -248,108 +290,159 @@ static int hns3_dbg_queue_map(struct hnae3_handle *h)
        return 0;
 }
 
-static int hns3_dbg_bd_info(struct hnae3_handle *h, const char *cmd_buf)
+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)
 {
-       struct hns3_nic_priv *priv = h->priv;
-       struct hns3_desc *rx_desc, *tx_desc;
-       struct device *dev = &h->pdev->dev;
+       unsigned int j = 0;
+
+       sprintf(result[j++], "%5d", idx);
+       sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info));
+       sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len));
+       sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size));
+       sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash));
+       sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id));
+       sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag));
+       sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb));
+       sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag));
+       sprintf(result[j++], "%#x", 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));
+       } else {
+               sprintf(result[j++], "NA");
+               sprintf(result[j++], "NA");
+       }
+}
+
+static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len)
+{
+       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_enet_ring *ring;
-       u32 tx_index, rx_index;
-       u32 q_num, value;
-       dma_addr_t addr;
-       u16 mss_hw_csum;
-       u32 l234info;
-       int cnt;
+       struct hns3_desc *desc;
+       unsigned int i;
+       int pos = 0;
 
-       cnt = sscanf(&cmd_buf[8], "%u %u", &q_num, &tx_index);
-       if (cnt == 2) {
-               rx_index = tx_index;
-       } else if (cnt != 1) {
-               dev_err(dev, "bd info: bad command string, cnt=%d\n", cnt);
+       if (d->qid >= d->handle->kinfo.num_tqps) {
+               dev_err(&d->handle->pdev->dev,
+                       "queue%u is not in use\n", d->qid);
                return -EINVAL;
        }
 
-       if (q_num >= h->kinfo.num_tqps) {
-               dev_err(dev, "Queue number(%u) is out of range(0-%u)\n", q_num,
-                       h->kinfo.num_tqps - 1);
-               return -EINVAL;
+       for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++)
+               result[i] = &data_str[i][0];
+
+       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];
+       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);
        }
 
-       ring = &priv->ring[q_num];
-       value = readl_relaxed(ring->tqp->io_base + HNS3_RING_TX_RING_TAIL_REG);
-       tx_index = (cnt == 1) ? value : tx_index;
+       return 0;
+}
+
+static const struct hns3_dbg_item tx_bd_info_items[] = {
+       { "BD_IDX", 5 },
+       { "ADDRESS", 2 },
+       { "VLAN_TAG", 2 },
+       { "SIZE", 2 },
+       { "T_CS_VLAN_TSO", 2 },
+       { "OT_VLAN_TAG", 3 },
+       { "TV", 2 },
+       { "OLT_VLAN_LEN", 2},
+       { "PAYLEN_OL4CS", 2},
+       { "BD_FE_SC_VLD", 2},
+       { "MSS_HW_CSUM", 0},
+};
 
-       if (tx_index >= ring->desc_num) {
-               dev_err(dev, "bd index(%u) is out of range(0-%u)\n", tx_index,
-                       ring->desc_num - 1);
+static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv,
+                                struct hns3_desc *desc, char **result, int idx)
+{
+       unsigned int j = 0;
+
+       sprintf(result[j++], "%6d", idx);
+       sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr));
+       sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag));
+       sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size));
+       sprintf(result[j++], "%#x",
+               le32_to_cpu(desc->tx.type_cs_vlan_tso_len));
+       sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag));
+       sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv));
+       sprintf(result[j++], "%10u",
+               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++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum));
+}
+
+static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len)
+{
+       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_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);
                return -EINVAL;
        }
 
-       tx_desc = &ring->desc[tx_index];
-       addr = le64_to_cpu(tx_desc->addr);
-       mss_hw_csum = le16_to_cpu(tx_desc->tx.mss_hw_csum);
-       dev_info(dev, "TX Queue Num: %u, BD Index: %u\n", q_num, tx_index);
-       dev_info(dev, "(TX)addr: %pad\n", &addr);
-       dev_info(dev, "(TX)vlan_tag: %u\n", le16_to_cpu(tx_desc->tx.vlan_tag));
-       dev_info(dev, "(TX)send_size: %u\n",
-                le16_to_cpu(tx_desc->tx.send_size));
-
-       if (mss_hw_csum & BIT(HNS3_TXD_HW_CS_B)) {
-               u32 offset = le32_to_cpu(tx_desc->tx.ol_type_vlan_len_msec);
-               u32 start = le32_to_cpu(tx_desc->tx.type_cs_vlan_tso_len);
-
-               dev_info(dev, "(TX)csum start: %u\n",
-                        hnae3_get_field(start,
-                                        HNS3_TXD_CSUM_START_M,
-                                        HNS3_TXD_CSUM_START_S));
-               dev_info(dev, "(TX)csum offset: %u\n",
-                        hnae3_get_field(offset,
-                                        HNS3_TXD_CSUM_OFFSET_M,
-                                        HNS3_TXD_CSUM_OFFSET_S));
-       } else {
-               dev_info(dev, "(TX)vlan_tso: %u\n",
-                        tx_desc->tx.type_cs_vlan_tso);
-               dev_info(dev, "(TX)l2_len: %u\n", tx_desc->tx.l2_len);
-               dev_info(dev, "(TX)l3_len: %u\n", tx_desc->tx.l3_len);
-               dev_info(dev, "(TX)l4_len: %u\n", tx_desc->tx.l4_len);
-               dev_info(dev, "(TX)vlan_msec: %u\n",
-                        tx_desc->tx.ol_type_vlan_msec);
-               dev_info(dev, "(TX)ol2_len: %u\n", tx_desc->tx.ol2_len);
-               dev_info(dev, "(TX)ol3_len: %u\n", tx_desc->tx.ol3_len);
-               dev_info(dev, "(TX)ol4_len: %u\n", tx_desc->tx.ol4_len);
-       }
+       for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++)
+               result[i] = &data_str[i][0];
+
+       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);
 
-       dev_info(dev, "(TX)vlan_tag: %u\n",
-                le16_to_cpu(tx_desc->tx.outer_vlan_tag));
-       dev_info(dev, "(TX)tv: %u\n", le16_to_cpu(tx_desc->tx.tv));
-       dev_info(dev, "(TX)paylen_ol4cs: %u\n",
-                le32_to_cpu(tx_desc->tx.paylen_ol4cs));
-       dev_info(dev, "(TX)vld_ra_ri: %u\n",
-                le16_to_cpu(tx_desc->tx.bdtp_fe_sc_vld_ra_ri));
-       dev_info(dev, "(TX)mss_hw_csum: %u\n", mss_hw_csum);
-
-       ring = &priv->ring[q_num + h->kinfo.num_tqps];
-       value = readl_relaxed(ring->tqp->io_base + HNS3_RING_RX_RING_TAIL_REG);
-       rx_index = (cnt == 1) ? value : tx_index;
-       rx_desc = &ring->desc[rx_index];
-
-       addr = le64_to_cpu(rx_desc->addr);
-       l234info = le32_to_cpu(rx_desc->rx.l234_info);
-       dev_info(dev, "RX Queue Num: %u, BD Index: %u\n", q_num, rx_index);
-       dev_info(dev, "(RX)addr: %pad\n", &addr);
-       dev_info(dev, "(RX)l234_info: %u\n", l234info);
-
-       dev_info(dev, "(RX)pkt_len: %u\n", le16_to_cpu(rx_desc->rx.pkt_len));
-       dev_info(dev, "(RX)size: %u\n", le16_to_cpu(rx_desc->rx.size));
-       dev_info(dev, "(RX)rss_hash: %u\n", le32_to_cpu(rx_desc->rx.rss_hash));
-       dev_info(dev, "(RX)fd_id: %u\n", le16_to_cpu(rx_desc->rx.fd_id));
-       dev_info(dev, "(RX)vlan_tag: %u\n", le16_to_cpu(rx_desc->rx.vlan_tag));
-       dev_info(dev, "(RX)o_dm_vlan_id_fb: %u\n",
-                le16_to_cpu(rx_desc->rx.o_dm_vlan_id_fb));
-       dev_info(dev, "(RX)ot_vlan_tag: %u\n",
-                le16_to_cpu(rx_desc->rx.ot_vlan_tag));
-       dev_info(dev, "(RX)bd_base_info: %u\n",
-                le32_to_cpu(rx_desc->rx.bd_base_info));
+       ring = &priv->ring[d->qid];
+       for (i = 0; i < ring->desc_num; i++) {
+               desc = &ring->desc[i];
+
+               hns3_dump_tx_bd_info(priv, 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);
+       }
 
        return 0;
 }
@@ -363,7 +456,6 @@ static void hns3_dbg_help(struct hnae3_handle *h)
        dev_info(&h->pdev->dev, "available commands\n");
        dev_info(&h->pdev->dev, "queue info <number>\n");
        dev_info(&h->pdev->dev, "queue map\n");
-       dev_info(&h->pdev->dev, "bd info <q_num> <bd index>\n");
 
        if (!hns3_is_phys_func(h->pdev))
                return;
@@ -518,8 +610,6 @@ static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf)
                ret = hns3_dbg_queue_info(handle, cmd_buf);
        else if (strncmp(cmd_buf, "queue map", 9) == 0)
                ret = hns3_dbg_queue_map(handle);
-       else if (strncmp(cmd_buf, "bd info", 7) == 0)
-               ret = hns3_dbg_bd_info(handle, cmd_buf);
        else if (handle->ae_algo->ops->dbg_run_cmd)
                ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf);
        else
@@ -598,29 +688,46 @@ static const struct hns3_dbg_func hns3_dbg_cmd_func[] = {
                .cmd = HNAE3_DBG_CMD_DEV_INFO,
                .dbg_dump = hns3_dbg_dev_info,
        },
+       {
+               .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 hnae3_handle *handle,
+static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data,
                             enum hnae3_dbg_cmd cmd, char *buf, int len)
 {
-       const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+       const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops;
+       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)
-                       return hns3_dbg_cmd_func[i].dbg_dump(handle, buf, len);
+               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);
+               }
        }
 
        if (!ops->dbg_read_cmd)
                return -EOPNOTSUPP;
 
-       return ops->dbg_read_cmd(handle, cmd, buf, len);
+       return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len);
 }
 
 static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer,
                             size_t count, loff_t *ppos)
 {
-       struct hnae3_handle *handle = filp->private_data;
+       struct hns3_dbg_data *dbg_data = filp->private_data;
+       struct hnae3_handle *handle = dbg_data->handle;
        struct hns3_nic_priv *priv = handle->priv;
        ssize_t size = 0;
        char **save_buf;
@@ -654,7 +761,7 @@ static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer,
 
        /* get data ready for the first time to read */
        if (!*ppos) {
-               ret = hns3_dbg_read_cmd(handle, hns3_dbg_cmd[index].cmd,
+               ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd,
                                        read_buf, hns3_dbg_cmd[index].buf_len);
                if (ret)
                        goto out;
@@ -688,14 +795,47 @@ static const struct file_operations hns3_dbg_fops = {
        .read  = hns3_dbg_read,
 };
 
+static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd)
+{
+       struct dentry *entry_dir;
+       struct hns3_dbg_data *data;
+       u16 max_queue_num;
+       unsigned int i;
+
+       entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry;
+       max_queue_num = hns3_get_max_available_channels(handle);
+       data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data),
+                           GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
+
+       for (i = 0; i < max_queue_num; i++) {
+               char name[HNS3_DBG_FILE_NAME_LEN];
+
+               data[i].handle = handle;
+               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);
+       }
+
+       return 0;
+}
+
 static int
 hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd)
 {
+       struct hns3_dbg_data *data;
        struct dentry *entry_dir;
 
+       data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
+
+       data->handle = handle;
        entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry;
        debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir,
-                           handle, &hns3_dbg_fops);
+                           data, &hns3_dbg_fops);
 
        return 0;
 }
index d16ec87..06868b6 100644 (file)
@@ -5,10 +5,28 @@
 #define __HNS3_DEBUGFS_H
 
 #define HNS3_DBG_READ_LEN      65536
+#define HNS3_DBG_READ_LEN_4MB  0x400000
 #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
+
+struct hns3_dbg_item {
+       char name[HNS3_DBG_ITEM_NAME_LEN];
+       u16 interval; /* blank numbers after the item */
+};
+
+struct hns3_dbg_data {
+       struct hnae3_handle *handle;
+       u16 qid;
+};
+
 enum hns3_dbg_dentry_type {
        HNS3_DBG_DENTRY_TM,
+       HNS3_DBG_DENTRY_TX_BD,
+       HNS3_DBG_DENTRY_RX_BD,
        HNS3_DBG_DENTRY_COMMON,
 };
 
@@ -29,6 +47,7 @@ struct hns3_dbg_cmd_info {
 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 {
index 02ce7a3..de0e2d2 100644 (file)
@@ -634,7 +634,7 @@ static int hns3_nic_set_real_num_queue(struct net_device *netdev)
        return 0;
 }
 
-static u16 hns3_get_max_available_channels(struct hnae3_handle *h)
+u16 hns3_get_max_available_channels(struct hnae3_handle *h)
 {
        u16 alloc_tqps, max_rss_size, rss_size;
 
index 5c72f41..79ff2fa 100644 (file)
@@ -655,4 +655,5 @@ void hns3_dbg_uninit(struct hnae3_handle *handle);
 void hns3_dbg_register_debugfs(const char *debugfs_dir_name);
 void hns3_dbg_unregister_debugfs(void);
 void hns3_shinfo_pack(struct skb_shared_info *shinfo, __u32 *size);
+u16 hns3_get_max_available_channels(struct hnae3_handle *h);
 #endif