From: Guangbin Huang huangguangbin2@huawei.com
mainline inclusion from mainline-v6.0-rc3 commit fddc02eb583ada2b2d8f35ef41630da5959e8d4b category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I5QIIF CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
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This patch add dump the map relation for dscp, priority and TC, and the current tc map mode.
Signed-off-by: Guangbin Huang huangguangbin2@huawei.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Jiantao Xiao xiaojiantao1@h-partners.com Reviewed-by: Jian Shen shenjian15@huawei.com Reviewed-by: YueHaibing yuehaibing@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 + .../ethernet/hisilicon/hns3/hns3_debugfs.c | 7 +++ .../hisilicon/hns3/hns3pf/hclge_debugfs.c | 60 ++++++++++++++++++- 3 files changed, 67 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index b0b1a27acd77..60f8125c2dbc 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -271,6 +271,7 @@ enum hnae3_dbg_cmd { HNAE3_DBG_CMD_TC_SCH_INFO, HNAE3_DBG_CMD_QOS_PAUSE_CFG, HNAE3_DBG_CMD_QOS_PRI_MAP, + HNAE3_DBG_CMD_QOS_DSCP_MAP, HNAE3_DBG_CMD_QOS_BUF_CFG, HNAE3_DBG_CMD_DEV_INFO, HNAE3_DBG_CMD_TX_BD, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 93aeb615191d..0f8f5c466871 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -105,6 +105,13 @@ static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = { .buf_len = HNS3_DBG_READ_LEN, .init = hns3_dbg_common_file_init, }, + { + .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_file_init, + }, { .name = "qos_buf_cfg", .cmd = HNAE3_DBG_CMD_QOS_BUF_CFG, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c index 59121767a853..55f696d071e5 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c @@ -14,6 +14,8 @@ static const char * const hclge_mac_state_str[] = { "TO_ADD", "TO_DEL", "ACTIVE" };
+static const char * const tc_map_mode_str[] = { "PRIO", "DSCP" }; + static const struct hclge_dbg_reg_type_info hclge_dbg_reg_info[] = { { .cmd = HNAE3_DBG_CMD_REG_BIOS_COMMON, .dfx_msg = &hclge_dbg_bios_common_reg[0], @@ -1115,10 +1117,11 @@ static int hclge_dbg_dump_qos_pause_cfg(struct hclge_dev *hdev, char *buf, return 0; }
+#define HCLGE_DBG_TC_MASK 0x0F + static int hclge_dbg_dump_qos_pri_map(struct hclge_dev *hdev, char *buf, int len) { -#define HCLGE_DBG_TC_MASK 0x0F #define HCLGE_DBG_TC_BIT_WIDTH 4
struct hclge_qos_pri_map_cmd *pri_map; @@ -1152,6 +1155,57 @@ static int hclge_dbg_dump_qos_pri_map(struct hclge_dev *hdev, char *buf, return 0; }
+static int hclge_dbg_dump_qos_dscp_map(struct hclge_dev *hdev, char *buf, + int len) +{ + struct hclge_desc desc[HCLGE_DSCP_MAP_TC_BD_NUM]; + u8 *req0 = (u8 *)desc[0].data; + u8 *req1 = (u8 *)desc[1].data; + u8 dscp_tc[HCLGE_MAX_DSCP]; + int pos, ret; + u8 i, j; + + pos = scnprintf(buf, len, "tc map mode: %s\n", + tc_map_mode_str[hdev->vport[0].nic.kinfo.tc_map_mode]); + + if (hdev->vport[0].nic.kinfo.tc_map_mode != HNAE3_TC_MAP_MODE_DSCP) + return 0; + + hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_QOS_MAP, true); + desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT); + hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_QOS_MAP, true); + ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_DSCP_MAP_TC_BD_NUM); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to dump qos dscp map, ret = %d\n", ret); + return ret; + } + + pos += scnprintf(buf + pos, len - pos, "\nDSCP PRIO TC\n"); + + /* The low 32 dscp setting use bd0, high 32 dscp setting use bd1 */ + for (i = 0; i < HCLGE_MAX_DSCP / HCLGE_DSCP_MAP_TC_BD_NUM; i++) { + j = i + HCLGE_MAX_DSCP / HCLGE_DSCP_MAP_TC_BD_NUM; + /* Each dscp setting has 4 bits, so each byte saves two dscp + * setting + */ + dscp_tc[i] = req0[i >> 1] >> HCLGE_DSCP_TC_SHIFT(i); + dscp_tc[j] = req1[i >> 1] >> HCLGE_DSCP_TC_SHIFT(i); + dscp_tc[i] &= HCLGE_DBG_TC_MASK; + dscp_tc[j] &= HCLGE_DBG_TC_MASK; + } + + for (i = 0; i < HCLGE_MAX_DSCP; i++) { + if (hdev->tm_info.dscp_prio[i] == HCLGE_PRIO_ID_INVALID) + continue; + + pos += scnprintf(buf + pos, len - pos, " %2u %u %u\n", + i, hdev->tm_info.dscp_prio[i], dscp_tc[i]); + } + + return 0; +} + static int hclge_dbg_dump_tx_buf_cfg(struct hclge_dev *hdev, char *buf, int len) { struct hclge_tx_buff_alloc_cmd *tx_buf_cmd; @@ -2376,6 +2430,10 @@ static const struct hclge_dbg_func hclge_dbg_cmd_func[] = { .cmd = HNAE3_DBG_CMD_QOS_PRI_MAP, .dbg_dump = hclge_dbg_dump_qos_pri_map, }, + { + .cmd = HNAE3_DBG_CMD_QOS_DSCP_MAP, + .dbg_dump = hclge_dbg_dump_qos_dscp_map, + }, { .cmd = HNAE3_DBG_CMD_QOS_BUF_CFG, .dbg_dump = hclge_dbg_dump_qos_buf_cfg,