From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Li Subject: [Patch net-next 2/6] net: hns3: set the cmdq out_vld bit to 0 after used Date: Thu, 8 Mar 2018 19:41:51 +0800 Message-ID: <1520509315-40895-3-git-send-email-lipeng321@huawei.com> References: <1520509315-40895-1-git-send-email-lipeng321@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , , To: Return-path: In-Reply-To: <1520509315-40895-1-git-send-email-lipeng321@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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 --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 1 + drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index 31383a6..6d48ebf 100644 --- 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 e39cad2..18283ef 100644 --- 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); } -- 2.9.3