From: Peng Li lipeng321@huawei.com
To improve code readability and maintainability, refactor hclge_cmd_convert_err_code() with an array of imp_errcode and common_errno mapping, instead of a bloated switch/case.
Signed-off-by: Peng Li lipeng321@huawei.com Signed-off-by: Huazhong Tan tanhuazhong@huawei.com --- .../hisilicon/hns3/hns3pf/hclge_cmd.c | 55 +++++++++---------- 1 file changed, 27 insertions(+), 28 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c index 6546b47bef88..cb2c955ce52c 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c @@ -189,36 +189,35 @@ static bool hclge_is_special_opcode(u16 opcode) return false; }
+struct errcode { + u32 imp_errcode; + int common_errno; +}; + static int hclge_cmd_convert_err_code(u16 desc_ret) { - switch (desc_ret) { - case HCLGE_CMD_EXEC_SUCCESS: - return 0; - case HCLGE_CMD_NO_AUTH: - return -EPERM; - case HCLGE_CMD_NOT_SUPPORTED: - return -EOPNOTSUPP; - case HCLGE_CMD_QUEUE_FULL: - return -EXFULL; - case HCLGE_CMD_NEXT_ERR: - return -ENOSR; - case HCLGE_CMD_UNEXE_ERR: - return -ENOTBLK; - case HCLGE_CMD_PARA_ERR: - return -EINVAL; - case HCLGE_CMD_RESULT_ERR: - return -ERANGE; - case HCLGE_CMD_TIMEOUT: - return -ETIME; - case HCLGE_CMD_HILINK_ERR: - return -ENOLINK; - case HCLGE_CMD_QUEUE_ILLEGAL: - return -ENXIO; - case HCLGE_CMD_INVALID: - return -EBADR; - default: - return -EIO; - } + struct errcode hclge_cmd_errcode[] = { + {HCLGE_CMD_EXEC_SUCCESS, 0}, + {HCLGE_CMD_NO_AUTH, -EPERM}, + {HCLGE_CMD_NOT_SUPPORTED, -EOPNOTSUPP}, + {HCLGE_CMD_QUEUE_FULL, -EXFULL}, + {HCLGE_CMD_NEXT_ERR, -ENOSR}, + {HCLGE_CMD_UNEXE_ERR, -ENOTBLK}, + {HCLGE_CMD_PARA_ERR, -EINVAL}, + {HCLGE_CMD_RESULT_ERR, -ERANGE}, + {HCLGE_CMD_TIMEOUT, -ETIME}, + {HCLGE_CMD_HILINK_ERR, -ENOLINK}, + {HCLGE_CMD_QUEUE_ILLEGAL, -ENXIO}, + {HCLGE_CMD_INVALID, -EBADR}, + }; + u32 errcode_count = ARRAY_SIZE(hclge_cmd_errcode); + u32 i; + + for (i = 0; i < errcode_count; i++) + if (hclge_cmd_errcode[i].imp_errcode == desc_ret) + return hclge_cmd_errcode[i].common_errno; + + return -EIO; }
static int hclge_cmd_check_retval(struct hclge_hw *hw, struct hclge_desc *desc,