From 7737f1fbb5ba1581e8b77ed4b2302485fa237f1e Mon Sep 17 00:00:00 2001 From: liuzhongzhu Date: Sat, 15 Dec 2018 15:31:54 +0000 Subject: [PATCH] net: hns3: Add "manager table" information query function This patch prints manager table information. debugfs command: echo dump mng tbl > cmd Sample Command: root@(none)# echo dump mng tbl > cmd entry|mac_addr |mask|ether|mask|vlan|mask|i_map|i_dir|e_type 00 |01:00:5e:00:00:01|0 |00000|0 |0000|0 |00 |00 |0 01 |c2:f1:c5:82:68:17|0 |00000|0 |0000|0 |00 |00 |0 root@(none)# Signed-off-by: liuzhongzhu Signed-off-by: Salil Mehta Signed-off-by: David S. Miller --- drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 5 +- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 19 +++++++ .../ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 66 ++++++++++++++++++++++ .../ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.h | 12 ++++ 4 files changed, 100 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 9a02655..4c5a421 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -48,7 +48,7 @@ static int hns3_dbg_queue_info(struct hnae3_handle *h, char *cmd_buf) * to prevent reference to invalid memory. And need to ensure * that the following code is executed within 100ms. */ - if (test_bit(HNS3_NIC_STATE_INITED, &priv->state) || + if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) return -EPERM; @@ -210,6 +210,7 @@ static void hns3_dbg_help(struct hnae3_handle *h) dev_info(&h->pdev->dev, "dump qos pause cfg\n"); dev_info(&h->pdev->dev, "dump qos pri map\n"); dev_info(&h->pdev->dev, "dump qos buf cfg\n"); + dev_info(&h->pdev->dev, "dump mng tbl\n"); } static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, @@ -254,7 +255,7 @@ static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, return 0; /* Judge if the instance is being reset. */ - if (test_bit(HNS3_NIC_STATE_INITED, &priv->state) || + if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) return 0; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index b1ee6fe..dcacfa0 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -237,6 +237,7 @@ enum hclge_opcode_type { HCLGE_TM_QCN_MEM_INT_CFG = 0x1A14, HCLGE_PPP_CMD0_INT_CMD = 0x2100, HCLGE_PPP_CMD1_INT_CMD = 0x2101, + HCLGE_MAC_ETHERTYPE_IDX_RD = 0x2105, HCLGE_NCSI_INT_EN = 0x2401, }; @@ -744,6 +745,24 @@ struct hclge_cfg_tx_queue_pointer_cmd { u8 rsv[14]; }; +#pragma pack(1) +struct hclge_mac_ethertype_idx_rd_cmd { + u8 flags; + u8 resp_code; + __le16 vlan_tag; + u8 mac_add[6]; + __le16 index; + __le16 ethter_type; + __le16 egress_port; + __le16 egress_queue; + __le16 rev0; + u8 i_port_bitmap; + u8 i_port_direction; + u8 rev1[2]; +}; + +#pragma pack() + #define HCLGE_TSO_MSS_MIN_S 0 #define HCLGE_TSO_MSS_MIN_M GENMASK(13, 0) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c index 14577bb..77a1161 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c @@ -407,6 +407,70 @@ err_qos_cmd_send: "dump qos buf cfg fail(0x%x), status is %d\n", cmd, ret); } +static void hclge_dbg_dump_mng_table(struct hclge_dev *hdev) +{ + struct hclge_mac_ethertype_idx_rd_cmd *req0; + char printf_buf[HCLGE_DBG_BUF_LEN]; + struct hclge_desc desc; + int ret, i; + + dev_info(&hdev->pdev->dev, "mng tab:\n"); + memset(printf_buf, 0, HCLGE_DBG_BUF_LEN); + strncat(printf_buf, + "entry|mac_addr |mask|ether|mask|vlan|mask", + HCLGE_DBG_BUF_LEN - 1); + strncat(printf_buf + strlen(printf_buf), + "|i_map|i_dir|e_type|pf_id|vf_id|q_id|drop\n", + HCLGE_DBG_BUF_LEN - strlen(printf_buf) - 1); + + dev_info(&hdev->pdev->dev, "%s", printf_buf); + + for (i = 0; i < HCLGE_DBG_MNG_TBL_MAX; i++) { + hclge_cmd_setup_basic_desc(&desc, HCLGE_MAC_ETHERTYPE_IDX_RD, + true); + req0 = (struct hclge_mac_ethertype_idx_rd_cmd *)&desc.data; + req0->index = cpu_to_le16(i); + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) { + dev_err(&hdev->pdev->dev, + "call hclge_cmd_send fail, ret = %d\n", ret); + return; + } + + if (!req0->resp_code) + continue; + + memset(printf_buf, 0, HCLGE_DBG_BUF_LEN); + snprintf(printf_buf, HCLGE_DBG_BUF_LEN, + "%02u |%02x:%02x:%02x:%02x:%02x:%02x|", + req0->index, req0->mac_add[0], req0->mac_add[1], + req0->mac_add[2], req0->mac_add[3], req0->mac_add[4], + req0->mac_add[5]); + + snprintf(printf_buf + strlen(printf_buf), + HCLGE_DBG_BUF_LEN - strlen(printf_buf), + "%x |%04x |%x |%04x|%x |%02x |%02x |", + !!(req0->flags & HCLGE_DBG_MNG_MAC_MASK_B), + req0->ethter_type, + !!(req0->flags & HCLGE_DBG_MNG_ETHER_MASK_B), + req0->vlan_tag & HCLGE_DBG_MNG_VLAN_TAG, + !!(req0->flags & HCLGE_DBG_MNG_VLAN_MASK_B), + req0->i_port_bitmap, req0->i_port_direction); + + snprintf(printf_buf + strlen(printf_buf), + HCLGE_DBG_BUF_LEN - strlen(printf_buf), + "%d |%d |%02d |%04d|%x\n", + !!(req0->egress_port & HCLGE_DBG_MNG_E_TYPE_B), + req0->egress_port & HCLGE_DBG_MNG_PF_ID, + (req0->egress_port >> 3) & HCLGE_DBG_MNG_VF_ID, + req0->egress_queue, + !!(req0->egress_port & HCLGE_DBG_MNG_DROP_B)); + + dev_info(&hdev->pdev->dev, "%s", printf_buf); + } +} + static void hclge_dbg_fd_tcam_read(struct hclge_dev *hdev, u8 stage, bool sel_x, u32 loc) { @@ -478,6 +542,8 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, char *cmd_buf) hclge_dbg_dump_qos_pri_map(hdev); } else if (strncmp(cmd_buf, "dump qos buf cfg", 16) == 0) { hclge_dbg_dump_qos_buf_cfg(hdev); + } else if (strncmp(cmd_buf, "dump mng tbl", 12) == 0) { + hclge_dbg_dump_mng_table(hdev); } else { dev_info(&hdev->pdev->dev, "unknown command\n"); return -EINVAL; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.h index 50fd0b1..6097cd8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.h @@ -4,6 +4,18 @@ #ifndef __HCLGE_DEBUGFS_H #define __HCLGE_DEBUGFS_H +#define HCLGE_DBG_BUF_LEN 256 +#define HCLGE_DBG_MNG_TBL_MAX 64 + +#define HCLGE_DBG_MNG_VLAN_MASK_B BIT(0) +#define HCLGE_DBG_MNG_MAC_MASK_B BIT(1) +#define HCLGE_DBG_MNG_ETHER_MASK_B BIT(2) +#define HCLGE_DBG_MNG_E_TYPE_B BIT(11) +#define HCLGE_DBG_MNG_DROP_B BIT(13) +#define HCLGE_DBG_MNG_VLAN_TAG 0x0FFF +#define HCLGE_DBG_MNG_PF_ID 0x0007 +#define HCLGE_DBG_MNG_VF_ID 0x00FF + #pragma pack(1) struct hclge_qos_pri_map_cmd { -- 2.7.4