net: hns3: set the cmdq out_vld bit to 0 after used

BugLink: https://bugs.launchpad.net/bugs/1768670
Driver check the out_vld bit when get a new cmdq BD, if the bit is 1,
the BD is valid. driver Should set the bit 0 after used and hw will
set the bit 1 if get a valid BD.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 090e3b5350d995c8b8d93f817dccd8c1ce9952c5)
Signed-off-by: dann frazier <dann.frazier@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
index 31383a61d290c3ec43ac28a6432e370c6cef3338..6d48ebfcc509a865c3b3fc29f8c49f25b1710749 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
@@ -410,6 +410,7 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
                                req->msg[0]);
                        break;
                }
+               crq->desc[crq->next_to_use].flag = 0;
                hclge_mbx_ring_ptr_move_crq(crq);
        }
 

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
index e39cad285fa9e97dfd7062e0cffa547980ced538..18283ef4ce81bd8725e136b8c6ba6153d47fcc43 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
@@ -171,6 +171,7 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev)
                                req->msg[0]);
                        break;
                }
+               crq->desc[crq->next_to_use].flag = 0;
                hclge_mbx_ring_ptr_move_crq(crq);
                flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
        }