[PATCH net-next 4/5] net: hns3: add ethtool -p support for fiber port

From: Peng Li
Date: Thu Jan 18 2018 - 01:45:30 EST


From: Jian Shen <shenjian15@xxxxxxxxxx>

Add led location support for fiber port. The led will keep blinking
when locating.

Signed-off-by: Jian Shen <shenjian15@xxxxxxxxxx>
Signed-off-by: Peng Li <lipeng321@xxxxxxxxxx>
---
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 20 ++++
.../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 101 ++++++++++++++++-----
2 files changed, 100 insertions(+), 21 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 1cd28e0..122f862 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -227,6 +227,9 @@ enum hclge_opcode_type {

/* Mailbox cmd */
HCLGEVF_OPC_MBX_PF_TO_VF = 0x2000,
+
+ /* Led command */
+ HCLGE_OPC_LED_STATUS_CFG = 0xB000,
};

#define HCLGE_TQP_REG_OFFSET 0x80000
@@ -807,6 +810,23 @@ struct hclge_reset_cmd {
#define HCLGE_NIC_CMQ_DESC_NUM 1024
#define HCLGE_NIC_CMQ_DESC_NUM_S 3

+#define HCLGE_LED_PORT_SPEED_STATE_S 0
+#define HCLGE_LED_PORT_SPEED_STATE_M GENMASK(5, 0)
+#define HCLGE_LED_ACTIVITY_STATE_S 0
+#define HCLGE_LED_ACTIVITY_STATE_M GENMASK(1, 0)
+#define HCLGE_LED_LINK_STATE_S 0
+#define HCLGE_LED_LINK_STATE_M GENMASK(1, 0)
+#define HCLGE_LED_LOCATE_STATE_S 0
+#define HCLGE_LED_LOCATE_STATE_M GENMASK(1, 0)
+
+struct hclge_set_led_state_cmd {
+ u8 port_speed_led_config;
+ u8 link_led_config;
+ u8 activity_led_config;
+ u8 locate_led_config;
+ u8 rsv[20];
+};
+
int hclge_cmd_init(struct hclge_dev *hdev);
static inline void hclge_write_reg(void __iomem *base, u32 reg, u32 value)
{
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 73caf06..039c90b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -5819,6 +5819,34 @@ static void hclge_get_regs(struct hnae3_handle *handle, u32 *version,
"Get 64 bit register failed, ret = %d.\n", ret);
}

+static int hclge_set_led_status_sfp(struct hclge_dev *hdev, u8 speed_led_status,
+ u8 act_led_status, u8 link_led_status,
+ u8 locate_led_status)
+{
+ struct hclge_set_led_state_cmd *req;
+ struct hclge_desc desc;
+ int ret;
+
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_LED_STATUS_CFG, false);
+
+ req = (struct hclge_set_led_state_cmd *)desc.data;
+ hnae_set_field(req->port_speed_led_config, HCLGE_LED_PORT_SPEED_STATE_M,
+ HCLGE_LED_PORT_SPEED_STATE_S, speed_led_status);
+ hnae_set_field(req->link_led_config, HCLGE_LED_ACTIVITY_STATE_M,
+ HCLGE_LED_ACTIVITY_STATE_S, act_led_status);
+ hnae_set_field(req->activity_led_config, HCLGE_LED_LINK_STATE_M,
+ HCLGE_LED_LINK_STATE_S, link_led_status);
+ hnae_set_field(req->locate_led_config, HCLGE_LED_LOCATE_STATE_M,
+ HCLGE_LED_LOCATE_STATE_S, locate_led_status);
+
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret)
+ dev_err(&hdev->pdev->dev,
+ "Send set led state cmd error, ret =%d\n", ret);
+
+ return ret;
+}
+
static int hclge_set_led_status_phy(struct phy_device *phydev, int value)
{
int ret, cur_page;
@@ -5871,6 +5899,12 @@ static int hclge_get_led_status_phy(struct phy_device *phydev, int *value)
return ret;
}

+enum hclge_led_status {
+ HCLGE_LED_OFF,
+ HCLGE_LED_ON,
+ HCLGE_LED_NO_CHANGE = 0xFF,
+};
+
static int hclge_set_led_id(struct hnae3_handle *handle,
enum ethtool_phys_id_state status)
{
@@ -5880,27 +5914,52 @@ static int hclge_set_led_id(struct hnae3_handle *handle,
struct phy_device *phydev = hdev->hw.mac.phydev;
int ret = 0;

- if (!phydev)
- return -EOPNOTSUPP;
-
- switch (status) {
- case ETHTOOL_ID_ACTIVE:
- ret = hclge_get_led_status_phy(phydev, &hdev->phy_led_val);
- if (ret)
- return ret;
- return BLINK_FREQUENCY;
- case ETHTOOL_ID_ON:
- ret = hclge_set_led_status_phy(phydev, HCLGE_LED_FORCE_ON);
- break;
- case ETHTOOL_ID_OFF:
- ret = hclge_set_led_status_phy(phydev, HCLGE_LED_FORCE_OFF);
- break;
- case ETHTOOL_ID_INACTIVE:
- ret = hclge_set_led_status_phy(phydev, hdev->phy_led_val);
- break;
- default:
- ret = -EINVAL;
- break;
+ if (phydev) {
+ switch (status) {
+ case ETHTOOL_ID_ACTIVE:
+ ret = hclge_get_led_status_phy(phydev,
+ &hdev->phy_led_val);
+ if (ret)
+ return ret;
+ return BLINK_FREQUENCY;
+ case ETHTOOL_ID_ON:
+ ret = hclge_set_led_status_phy(phydev,
+ HCLGE_LED_FORCE_ON);
+ break;
+ case ETHTOOL_ID_OFF:
+ ret = hclge_set_led_status_phy(phydev,
+ HCLGE_LED_FORCE_OFF);
+ break;
+ case ETHTOOL_ID_INACTIVE:
+ ret = hclge_set_led_status_phy(phydev,
+ hdev->phy_led_val);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ } else if (hdev->hw.mac.media_type == HNAE3_MEDIA_TYPE_FIBER) {
+ switch (status) {
+ case ETHTOOL_ID_ACTIVE:
+ ret = hclge_set_led_status_sfp(hdev,
+ HCLGE_LED_NO_CHANGE,
+ HCLGE_LED_NO_CHANGE,
+ HCLGE_LED_NO_CHANGE,
+ HCLGE_LED_ON);
+ break;
+ case ETHTOOL_ID_INACTIVE:
+ ret = hclge_set_led_status_sfp(hdev,
+ HCLGE_LED_NO_CHANGE,
+ HCLGE_LED_NO_CHANGE,
+ HCLGE_LED_NO_CHANGE,
+ HCLGE_LED_OFF);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ } else {
+ ret = -EOPNOTSUPP;
}

return ret;
--
2.9.3