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Subject[PATCH net-next 10/14] net: hns3: add handling of hw errors of MAC
Date
From: Shiju Jose <shiju.jose@huawei.com>

This patch adds enable and handling of hw errors of
the MAC block.

Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
---
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 1 +
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c | 48 ++++++++++++++++++++++
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h | 2 +
3 files changed, 51 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 08d02b9..46af567 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -215,6 +215,7 @@ enum hclge_opcode_type {
HCLGE_OPC_SFP_GET_SPEED = 0x7104,

/* Error INT commands */
+ HCLGE_MAC_COMMON_INT_EN = 0x030E,
HCLGE_TM_SCH_ECC_INT_EN = 0x0829,
HCLGE_COMMON_ECC_INT_CFG = 0x1505,
HCLGE_QUERY_RAS_INT_STS_BD_NUM = 0x1510,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
index 0676670..20f8bb5 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
@@ -210,6 +210,18 @@ static const struct hclge_hw_error hclge_qcn_ecc_rint[] = {
{ /* sentinel */ }
};

+static const struct hclge_hw_error hclge_mac_afifo_tnl_int[] = {
+ { .int_msk = BIT(0), .msg = "egu_cge_afifo_ecc_1bit_err" },
+ { .int_msk = BIT(1), .msg = "egu_cge_afifo_ecc_mbit_err" },
+ { .int_msk = BIT(2), .msg = "egu_lge_afifo_ecc_1bit_err" },
+ { .int_msk = BIT(3), .msg = "egu_lge_afifo_ecc_mbit_err" },
+ { .int_msk = BIT(4), .msg = "cge_igu_afifo_ecc_1bit_err" },
+ { .int_msk = BIT(5), .msg = "cge_igu_afifo_ecc_mbit_err" },
+ { .int_msk = BIT(6), .msg = "lge_igu_afifo_ecc_1bit_err" },
+ { .int_msk = BIT(7), .msg = "lge_igu_afifo_ecc_mbit_err" },
+ { /* sentinel */ }
+};
+
static void hclge_log_error(struct device *dev, char *reg,
const struct hclge_hw_error *err,
u32 err_sts)
@@ -452,6 +464,27 @@ static int hclge_config_tm_hw_err_int(struct hclge_dev *hdev, bool en)
return ret;
}

+static int hclge_config_mac_err_int(struct hclge_dev *hdev, bool en)
+{
+ struct device *dev = &hdev->pdev->dev;
+ struct hclge_desc desc;
+ int ret;
+
+ /* configure MAC common error interrupts */
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_MAC_COMMON_INT_EN, false);
+ if (en)
+ desc.data[0] = cpu_to_le32(HCLGE_MAC_COMMON_ERR_INT_EN);
+
+ desc.data[1] = cpu_to_le32(HCLGE_MAC_COMMON_ERR_INT_EN_MASK);
+
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret)
+ dev_err(dev,
+ "fail(%d) to configure MAC COMMON error intr\n", ret);
+
+ return ret;
+}
+
#define HCLGE_SET_DEFAULT_RESET_REQUEST(reset_type) \
do { \
if (ae_dev->ops->set_default_reset_request) \
@@ -688,6 +721,10 @@ static const struct hclge_hw_blk hw_blk[] = {
.msk = BIT(5), .name = "COMMON",
.config_err_int = hclge_config_common_hw_err_int,
},
+ {
+ .msk = BIT(8), .name = "MAC",
+ .config_err_int = hclge_config_mac_err_int,
+ },
{ /* sentinel */ }
};

@@ -735,7 +772,9 @@ int hclge_handle_hw_msix_error(struct hclge_dev *hdev,
u32 mpf_bd_num, pf_bd_num, bd_num;
struct hclge_desc desc_bd;
struct hclge_desc *desc;
+ __le32 *desc_data;
int ret = 0;
+ u32 status;

/* set default handling */
set_bit(HNAE3_FUNC_RESET, reset_requests);
@@ -774,6 +813,15 @@ int hclge_handle_hw_msix_error(struct hclge_dev *hdev,
goto msi_error;
}

+ /* log MAC errors */
+ desc_data = (__le32 *)&desc[1];
+ status = le32_to_cpu(*desc_data);
+ if (status) {
+ hclge_log_error(dev, "MAC_AFIFO_TNL_INT_R",
+ &hclge_mac_afifo_tnl_int[0], status);
+ set_bit(HNAE3_GLOBAL_RESET, reset_requests);
+ }
+
/* clear all main PF MSIx errors */
hclge_cmd_reuse_desc(&desc[0], false);
desc[0].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
index 05adccb..8e7d151 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
@@ -44,6 +44,8 @@
#define HCLGE_TM_QCN_MEM_ERR_INT_EN 0xFFFFFF
#define HCLGE_NCSI_ERR_INT_EN 0x3
#define HCLGE_NCSI_ERR_INT_TYPE 0x9
+#define HCLGE_MAC_COMMON_ERR_INT_EN GENMASK(7, 0)
+#define HCLGE_MAC_COMMON_ERR_INT_EN_MASK GENMASK(7, 0)

#define HCLGE_IGU_INT_MASK GENMASK(3, 0)
#define HCLGE_IGU_EGU_TNL_INT_MASK GENMASK(5, 0)
--
2.7.4

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