From 2849d4e7a1beb483e9ebab3904f03010c0bc1daf Mon Sep 17 00:00:00 2001 From: liuzhongzhu Date: Thu, 22 Nov 2018 14:09:44 +0000 Subject: [PATCH] net: hns3: Add "tc config" info query function This patch prints tc config information. debugfs command: echo dump tc > cmd Sample Output: root@(none)# echo dump tc > cmd hns3 0000:7d:00.0: weight_offset: 14 hns3 0000:7d:00.0: tc(0): no sp mode hns3 0000:7d:00.0: tc(1): no sp mode hns3 0000:7d:00.0: tc(2): no sp mode hns3 0000:7d:00.0: tc(3): no sp mode hns3 0000:7d:00.0: tc(4): no sp mode hns3 0000:7d:00.0: tc(5): no sp mode hns3 0000:7d:00.0: tc(6): no sp mode hns3 0000:7d:00.0: tc(7): no sp mode root@(none)# Signed-off-by: liuzhongzhu Signed-off-by: Salil Mehta Signed-off-by: David S. Miller --- .../ethernet/hisilicon/hns3/hns3_debugfs.c | 1 + .../hisilicon/hns3/hns3pf/hclge_cmd.h | 1 + .../hisilicon/hns3/hns3pf/hclge_debugfs.c | 40 +++++++++++++++++++ .../ethernet/hisilicon/hns3/hns3pf/hclge_tm.h | 6 +++ 4 files changed, 48 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 82fe7b97408f..8acccfbd3481 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -130,6 +130,7 @@ 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, "dump fd tcam\n"); + dev_info(&h->pdev->dev, "dump tc\n"); } static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index aef044d08b11..2b90410eeac2 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -126,6 +126,7 @@ enum hclge_opcode_type { HCLGE_OPC_TM_PRI_SCH_MODE_CFG = 0x0813, HCLGE_OPC_TM_QS_SCH_MODE_CFG = 0x0814, HCLGE_OPC_TM_BP_TO_QSET_MAPPING = 0x0815, + HCLGE_OPC_ETS_TC_WEIGHT = 0x0843, /* Packet buffer allocate commands */ HCLGE_OPC_TX_BUFF_ALLOC = 0x0901, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c index cf1355b01f9c..050b90e95e00 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c @@ -5,8 +5,46 @@ #include "hclge_cmd.h" #include "hclge_main.h" +#include "hclge_tm.h" #include "hnae3.h" +static void hclge_title_idx_print(struct hclge_dev *hdev, bool flag, int index, + char *title_buf, char *true_buf, + char *false_buf) +{ + if (flag) + dev_info(&hdev->pdev->dev, "%s(%d): %s\n", title_buf, index, + true_buf); + else + dev_info(&hdev->pdev->dev, "%s(%d): %s\n", title_buf, index, + false_buf); +} + +static void hclge_dbg_dump_tc(struct hclge_dev *hdev) +{ + struct hclge_ets_tc_weight_cmd *ets_weight; + struct hclge_desc desc; + int i, ret; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_ETS_TC_WEIGHT, true); + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) { + dev_err(&hdev->pdev->dev, "dump tc fail, status is %d.\n", ret); + return; + } + + ets_weight = (struct hclge_ets_tc_weight_cmd *)desc.data; + + dev_info(&hdev->pdev->dev, "dump tc\n"); + dev_info(&hdev->pdev->dev, "weight_offset: %u\n", + ets_weight->weight_offset); + + for (i = 0; i < HNAE3_MAX_TC; i++) + hclge_title_idx_print(hdev, ets_weight->tc_weight[i], i, + "tc", "no sp mode", "sp mode"); +} + static void hclge_dbg_fd_tcam_read(struct hclge_dev *hdev, u8 stage, bool sel_x, u32 loc) { @@ -68,6 +106,8 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, char *cmd_buf) if (strncmp(cmd_buf, "dump fd tcam", 12) == 0) { hclge_dbg_fd_tcam(hdev); + } else if (strncmp(cmd_buf, "dump tc", 7) == 0) { + hclge_dbg_dump_tc(hdev); } else { dev_info(&hdev->pdev->dev, "unknown command\n"); return -EINVAL; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h index 4bd916a77ae2..9c6192c46aa6 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h @@ -55,6 +55,12 @@ struct hclge_qs_weight_cmd { u8 dwrr; }; +struct hclge_ets_tc_weight_cmd { + u8 tc_weight[HNAE3_MAX_TC]; + u8 weight_offset; + u8 rsvd[15]; +}; + #define HCLGE_TM_SHAP_IR_B_MSK GENMASK(7, 0) #define HCLGE_TM_SHAP_IR_B_LSH 0 #define HCLGE_TM_SHAP_IR_U_MSK GENMASK(11, 8)