From 2d3db26d78805c9e06e26def0081c76e9bb0b7d6 Mon Sep 17 00:00:00 2001 From: Guangbin Huang Date: Wed, 19 Feb 2020 09:23:30 +0800 Subject: [PATCH 1/4] net: hns3: modify an unsuitable print when setting unknown duplex to fibre Currently, if device is in link down status and user uses 'ethtool -s' command to set speed but not specify duplex mode, the duplex mode passed from ethtool to driver is unknown value(255), and the fibre port will identify this value as half duplex mode and print "only copper port supports half duplex!". This message is confusing. So for fibre port, only the setting duplex is half, prints error and returns. Signed-off-by: Guangbin Huang Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller --- drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index c03856e633202..3f59a1924390f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -736,7 +736,7 @@ static int hns3_check_ksettings_param(const struct net_device *netdev, if (ops->get_media_type) ops->get_media_type(handle, &media_type, &module_type); - if (cmd->base.duplex != DUPLEX_FULL && + if (cmd->base.duplex == DUPLEX_HALF && media_type != HNAE3_MEDIA_TYPE_COPPER) { netdev_err(netdev, "only copper port supports half duplex!"); From a8adbb8a91a4cc260aeef7d670f3735b7b52865f Mon Sep 17 00:00:00 2001 From: Yonglong Liu Date: Wed, 19 Feb 2020 09:23:31 +0800 Subject: [PATCH 2/4] net: hns3: add enabled TC numbers and DWRR weight info in debugfs The actual enabled TC numbers and the DWRR weight of each TC may be helpful for debugging, so adds them into debugfs. Signed-off-by: Yonglong Liu Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller --- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c index 67fad80035d3a..5e94b35b05c09 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c @@ -310,8 +310,9 @@ static void hclge_title_idx_print(struct hclge_dev *hdev, bool flag, int index, char *false_buf) { if (flag) - dev_info(&hdev->pdev->dev, "%s(%d): %s\n", title_buf, index, - true_buf); + dev_info(&hdev->pdev->dev, "%s(%d): %s weight: %u\n", + title_buf, index, true_buf, + hdev->tm_info.pg_info[0].tc_dwrr[index]); else dev_info(&hdev->pdev->dev, "%s(%d): %s\n", title_buf, index, false_buf); @@ -339,7 +340,8 @@ static void hclge_dbg_dump_tc(struct hclge_dev *hdev) ets_weight = (struct hclge_ets_tc_weight_cmd *)desc.data; - dev_info(&hdev->pdev->dev, "dump tc\n"); + dev_info(&hdev->pdev->dev, "dump tc: %u tc enabled\n", + hdev->tm_info.num_tc); dev_info(&hdev->pdev->dev, "weight_offset: %u\n", ets_weight->weight_offset); From ded45d406ca736b3c23e7d099318465620fcd0f1 Mon Sep 17 00:00:00 2001 From: Yufeng Mo Date: Wed, 19 Feb 2020 09:23:32 +0800 Subject: [PATCH 3/4] net: hns3: add support for dump MAC ID and loopback status in debugfs The MAC ID and loopback status information are obtained from the hardware, which will be helpful for debugging. This patch adds support for these two items in debugfs. Signed-off-by: Yufeng Mo Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller --- .../ethernet/hisilicon/hns3/hns3_debugfs.c | 1 + .../hisilicon/hns3/hns3pf/hclge_debugfs.c | 55 +++++++++++++++++++ .../hisilicon/hns3/hns3pf/hclge_main.c | 3 + .../hisilicon/hns3/hns3pf/hclge_main.h | 1 + 4 files changed, 60 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 1d4ffc5f408ac..345a84b1433b2 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -260,6 +260,7 @@ static void hns3_dbg_help(struct hnae3_handle *h) dev_info(&h->pdev->dev, "dump m7 info\n"); dev_info(&h->pdev->dev, "dump ncl_config (in hex)\n"); dev_info(&h->pdev->dev, "dump mac tnl status\n"); + dev_info(&h->pdev->dev, "dump loopback\n"); memset(printf_buf, 0, HNS3_DBG_BUF_LEN); strncat(printf_buf, "dump reg [[bios common] [ssu ]", diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c index 5e94b35b05c09..6295cf93c3501 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c @@ -1171,6 +1171,57 @@ static void hclge_dbg_dump_ncl_config(struct hclge_dev *hdev, } } +static void hclge_dbg_dump_loopback(struct hclge_dev *hdev, + const char *cmd_buf) +{ + struct phy_device *phydev = hdev->hw.mac.phydev; + struct hclge_config_mac_mode_cmd *req_app; + struct hclge_serdes_lb_cmd *req_serdes; + struct hclge_desc desc; + u8 loopback_en; + int ret; + + req_app = (struct hclge_config_mac_mode_cmd *)desc.data; + req_serdes = (struct hclge_serdes_lb_cmd *)desc.data; + + dev_info(&hdev->pdev->dev, "mac id: %u\n", hdev->hw.mac.mac_id); + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_MAC_MODE, true); + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to dump app loopback status, ret = %d\n", ret); + return; + } + + loopback_en = hnae3_get_bit(le32_to_cpu(req_app->txrx_pad_fcs_loop_en), + HCLGE_MAC_APP_LP_B); + dev_info(&hdev->pdev->dev, "app loopback: %s\n", + loopback_en ? "on" : "off"); + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_SERDES_LOOPBACK, true); + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to dump serdes loopback status, ret = %d\n", + ret); + return; + } + + loopback_en = req_serdes->enable & HCLGE_CMD_SERDES_SERIAL_INNER_LOOP_B; + dev_info(&hdev->pdev->dev, "serdes serial loopback: %s\n", + loopback_en ? "on" : "off"); + + loopback_en = req_serdes->enable & + HCLGE_CMD_SERDES_PARALLEL_INNER_LOOP_B; + dev_info(&hdev->pdev->dev, "serdes parallel loopback: %s\n", + loopback_en ? "on" : "off"); + + if (phydev) + dev_info(&hdev->pdev->dev, "phy loopback: %s\n", + phydev->loopback_enabled ? "on" : "off"); +} + /* hclge_dbg_dump_mac_tnl_status: print message about mac tnl interrupt * @hdev: pointer to struct hclge_dev */ @@ -1271,6 +1322,7 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf) { #define DUMP_REG "dump reg" #define DUMP_TM_MAP "dump tm map" +#define DUMP_LOOPBACK "dump loopback" struct hclge_vport *vport = hclge_get_vport(handle); struct hclge_dev *hdev = vport->back; @@ -1304,6 +1356,9 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf) &cmd_buf[sizeof("dump ncl_config")]); } else if (strncmp(cmd_buf, "dump mac tnl status", 19) == 0) { hclge_dbg_dump_mac_tnl_status(hdev); + } else if (strncmp(cmd_buf, DUMP_LOOPBACK, + strlen(DUMP_LOOPBACK)) == 0) { + hclge_dbg_dump_loopback(hdev, &cmd_buf[sizeof(DUMP_LOOPBACK)]); } else if (strncmp(cmd_buf, "dump qs shaper", 14) == 0) { hclge_dbg_dump_qs_shaper(hdev, &cmd_buf[sizeof("dump qs shaper")]); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 492bc94464637..51399dbed77a6 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -824,6 +824,8 @@ static void hclge_get_mac_stat(struct hnae3_handle *handle, static int hclge_parse_func_status(struct hclge_dev *hdev, struct hclge_func_status_cmd *status) { +#define HCLGE_MAC_ID_MASK 0xF + if (!(status->pf_state & HCLGE_PF_STATE_DONE)) return -EINVAL; @@ -833,6 +835,7 @@ static int hclge_parse_func_status(struct hclge_dev *hdev, else hdev->flag &= ~HCLGE_FLAG_MAIN; + hdev->hw.mac.mac_id = status->mac_id & HCLGE_MAC_ID_MASK; return 0; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index f78cbb4cc85ea..71df23d5f1b4d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -249,6 +249,7 @@ enum HCLGE_MAC_DUPLEX { #define QUERY_ACTIVE_SPEED 1 struct hclge_mac { + u8 mac_id; u8 phy_addr; u8 flag; u8 media_type; /* port media type, e.g. fibre/copper/backplane */ From 89ec9485282a3470217628fbabf34c789b475763 Mon Sep 17 00:00:00 2001 From: Yonglong Liu Date: Wed, 19 Feb 2020 09:23:33 +0800 Subject: [PATCH 4/4] net: hns3: add missing help info for QS shaper in debugfs HNS3 driver can dump QS shaper configs via debugfs, but missing help info in debugfs for this operation. Signed-off-by: Yonglong Liu Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller --- drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 345a84b1433b2..e1d88095a77e8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -261,6 +261,7 @@ static void hns3_dbg_help(struct hnae3_handle *h) dev_info(&h->pdev->dev, "dump ncl_config (in hex)\n"); dev_info(&h->pdev->dev, "dump mac tnl status\n"); dev_info(&h->pdev->dev, "dump loopback\n"); + dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); memset(printf_buf, 0, HNS3_DBG_BUF_LEN); strncat(printf_buf, "dump reg [[bios common] [ssu ]",