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Date: Thu, 8 Mar 2018 11:06:28 +0800 From: Peng Li <lipeng321@...wei.com> To: <davem@...emloft.net> CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>, <salil.mehta@...wei.com>, <lipeng321@...wei.com> Subject: [PATCH net-next 03/23] {topost} net: hns3: set the cmdq out_vld bit to 0 after used 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@...wei.com> --- 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 ea78a99..3a2c174 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -412,6 +412,7 @@ 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
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