netdev - [PATCH V2 net-next 1/6] net: hns3: add api capability bits for firmware

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Date:   Fri, 5 Feb 2021 16:32:44 +0800
From:   Huazhong Tan <tanhuazhong@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>
CC:     <netdev@...r.kernel.org>, <salil.mehta@...wei.com>,
        <yisen.zhuang@...wei.com>, <huangdaode@...wei.com>,
        <linuxarm@...neuler.org>, Jian Shen <shenjian15@...wei.com>,
        Huazhong Tan <tanhuazhong@...wei.com>
Subject: [PATCH V2 net-next 1/6] net: hns3: add api capability bits for firmware

From: Jian Shen <shenjian15@...wei.com>

To improve the compatibility of firmware for driver, help firmware
to deal with different api commands, add api capability bits when
initialize the command queue.

Signed-off-by: Jian Shen <shenjian15@...wei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c   | 10 ++++++++++
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h   |  6 +++++-
 drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c | 10 ++++++++++
 drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h |  6 +++++-
 4 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
index b728be4..6546b47 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -363,6 +363,15 @@ static void hclge_parse_capability(struct hclge_dev *hdev,
 		set_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, ae_dev->caps);
 }
 
+static __le32 hclge_build_api_caps(void)
+{
+	u32 api_caps = 0;
+
+	hnae3_set_bit(api_caps, HCLGE_API_CAP_FLEX_RSS_TBL_B, 1);
+
+	return cpu_to_le32(api_caps);
+}
+
 static enum hclge_cmd_status
 hclge_cmd_query_version_and_capability(struct hclge_dev *hdev)
 {
@@ -373,6 +382,7 @@ hclge_cmd_query_version_and_capability(struct hclge_dev *hdev)
 
 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_FW_VER, 1);
 	resp = (struct hclge_query_version_cmd *)desc.data;
+	resp->api_caps = hclge_build_api_caps();
 
 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
 	if (ret)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index f861bdb..9ceb059 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -386,11 +386,15 @@ enum HCLGE_CAP_BITS {
 	HCLGE_CAP_UDP_TUNNEL_CSUM_B,
 };
 
+enum HCLGE_API_CAP_BITS {
+	HCLGE_API_CAP_FLEX_RSS_TBL_B,
+};
+
 #define HCLGE_QUERY_CAP_LENGTH		3
 struct hclge_query_version_cmd {
 	__le32 firmware;
 	__le32 hardware;
-	__le32 rsv;
+	__le32 api_caps;
 	__le32 caps[HCLGE_QUERY_CAP_LENGTH]; /* capabilities of device */
 };
 
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
index e04c0cf..0f93c2d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
@@ -342,6 +342,15 @@ static void hclgevf_parse_capability(struct hclgevf_dev *hdev,
 		set_bit(HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, ae_dev->caps);
 }
 
+static __le32 hclgevf_build_api_caps(void)
+{
+	u32 api_caps = 0;
+
+	hnae3_set_bit(api_caps, HCLGEVF_API_CAP_FLEX_RSS_TBL_B, 1);
+
+	return cpu_to_le32(api_caps);
+}
+
 static int hclgevf_cmd_query_version_and_capability(struct hclgevf_dev *hdev)
 {
 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
@@ -352,6 +361,7 @@ static int hclgevf_cmd_query_version_and_capability(struct hclgevf_dev *hdev)
 	resp = (struct hclgevf_query_version_cmd *)desc.data;
 
 	hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_QUERY_FW_VER, 1);
+	resp->api_caps = hclgevf_build_api_caps();
 	status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
 	if (status)
 		return status;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
index 82eed25..d591b33 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
@@ -161,11 +161,15 @@ enum HCLGEVF_CAP_BITS {
 	HCLGEVF_CAP_UDP_TUNNEL_CSUM_B,
 };
 
+enum HCLGEVF_API_CAP_BITS {
+	HCLGEVF_API_CAP_FLEX_RSS_TBL_B,
+};
+
 #define HCLGEVF_QUERY_CAP_LENGTH		3
 struct hclgevf_query_version_cmd {
 	__le32 firmware;
 	__le32 hardware;
-	__le32 rsv;
+	__le32 api_caps;
 	__le32 caps[HCLGEVF_QUERY_CAP_LENGTH]; /* capabilities of device */
 };
 
-- 
2.7.4