linux-kernel - [PATCH net-next 04/12] net: hns3: Add support to enable TX/RX promisc mode for H/W rev(0x21)

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Message-ID: <20180525184307.36288-5-salil.mehta@huawei.com>
Date:   Fri, 25 May 2018 19:42:59 +0100
From:   Salil Mehta <salil.mehta@...wei.com>
To:     <davem@...emloft.net>
CC:     <salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>,
        <lipeng321@...wei.com>, <mehta.salil@...src.net>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>
Subject: [PATCH net-next 04/12] net: hns3: Add support to enable TX/RX promisc mode for H/W rev(0x21)

From: Peng Li <lipeng321@...wei.com>

HCLGE_PROMISC_TX_EN_B and HCLGE_PROMISC_RX_EN_B are not supported
on pdev revision(0x20), new revision(0x21) supports them.

Signed-off-by: Peng Li <lipeng321@...wei.com>
Signed-off-by: Salil Mehta <salil.mehta@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h  | 2 ++
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 9 ++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 3fa08f7..e9be6aa 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -484,6 +484,8 @@ struct hclge_promisc_param {
 	u8 enable;
 };
 
+#define HCLGE_PROMISC_TX_EN_B	BIT(4)
+#define HCLGE_PROMISC_RX_EN_B	BIT(5)
 #define HCLGE_PROMISC_EN_B	1
 #define HCLGE_PROMISC_EN_ALL	0x7
 #define HCLGE_PROMISC_EN_UC	0x1
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index c0b8d5a..8ad8f62 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -3586,7 +3586,14 @@ int hclge_cmd_set_promisc_mode(struct hclge_dev *hdev,
 
 	req = (struct hclge_promisc_cfg_cmd *)desc.data;
 	req->vf_id = param->vf_id;
-	req->flag = (param->enable << HCLGE_PROMISC_EN_B);
+
+	/* HCLGE_PROMISC_TX_EN_B and HCLGE_PROMISC_RX_EN_B are not supported on
+	 * pdev revision(0x20), new revision support them. The
+	 * value of this two fields will not return error when driver
+	 * send command to fireware in revision(0x20).
+	 */
+	req->flag = (param->enable << HCLGE_PROMISC_EN_B) |
+		HCLGE_PROMISC_TX_EN_B | HCLGE_PROMISC_RX_EN_B;
 
 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
 	if (ret) {
-- 
2.7.4