When reuse command description, the in/out bit and W/R bit of the
command flag should be both updated. The old code did not update
in/out bit, this patch fix it.

Signed-off-by: Mingguang Qu <quminggu...@huawei.com>
Signed-off-by: Lipeng <lipeng...@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c  | 9 +++++++++
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h  | 2 +-
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 6 +++---
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
index 8b511e6..fe2b116 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -85,6 +85,15 @@ static int hclge_init_cmd_queue(struct hclge_dev *hdev, int 
ring_type)
        return 0;
 }
 
+void hclge_cmd_reuse_desc(struct hclge_desc *desc, bool is_read)
+{
+       desc->flag = cpu_to_le16(HCLGE_CMD_FLAG_NO_INTR | HCLGE_CMD_FLAG_IN);
+       if (is_read)
+               desc->flag |= cpu_to_le16(HCLGE_CMD_FLAG_WR);
+       else
+               desc->flag &= cpu_to_le16(~HCLGE_CMD_FLAG_WR);
+}
+
 void hclge_cmd_setup_basic_desc(struct hclge_desc *desc,
                                enum hclge_opcode_type opcode, bool is_read)
 {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index b841df1..5887418 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -753,7 +753,7 @@ static inline u32 hclge_read_reg(u8 __iomem *base, u32 reg)
 int hclge_cmd_send(struct hclge_hw *hw, struct hclge_desc *desc, int num);
 void hclge_cmd_setup_basic_desc(struct hclge_desc *desc,
                                enum hclge_opcode_type opcode, bool is_read);
-
+void hclge_cmd_reuse_desc(struct hclge_desc *desc, bool is_read);
 int hclge_cmd_set_promisc_mode(struct hclge_dev *hdev,
                               struct hclge_promisc_param *param);
 
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index f2ea88f..12be24f 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -3302,11 +3302,11 @@ static int hclge_add_mac_vlan_tbl(struct hclge_vport 
*vport,
                                                           resp_code,
                                                           HCLGE_MAC_VLAN_ADD);
        } else {
-               mc_desc[0].flag &= cpu_to_le16(~HCLGE_CMD_FLAG_WR);
+               hclge_cmd_reuse_desc(&mc_desc[0], false);
                mc_desc[0].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
-               mc_desc[1].flag &= cpu_to_le16(~HCLGE_CMD_FLAG_WR);
+               hclge_cmd_reuse_desc(&mc_desc[1], false);
                mc_desc[1].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
-               mc_desc[2].flag &= cpu_to_le16(~HCLGE_CMD_FLAG_WR);
+               hclge_cmd_reuse_desc(&mc_desc[2], false);
                mc_desc[2].flag &= cpu_to_le16(~HCLGE_CMD_FLAG_NEXT);
                memcpy(mc_desc[0].data, req,
                       sizeof(struct hclge_mac_vlan_tbl_entry));
-- 
1.9.1

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