Commit 3e50a814 authored by Hao Chen's avatar Hao Chen Committed by Hao Chen
Browse files

net: hns3: add support to query scc version by devlink info 

maillist inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I9KKIX
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=a1e5de0d07a3b2db047fe8ba0063d129672f979a



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Add support to query scc version by devlink info for device V3.

Signed-off-by: default avatarHao Chen <chenhao418@huawei.com>
parent 8ff46579

Documentation/networking/devlink/hns3.rst

+5 −0
Original line number Diff line number Diff line
@@ -23,3 +23,8 @@ The ``hns3`` driver reports the following versions 
   * - ``fw``

     - running

     - Used to represent the firmware version.

   * - ``fw.scc``

     - running

     - Used to represent the Soft Congestion Control (SSC) firmware version.

       SCC is a firmware component which provides multiple RDMA congestion

       control algorithms, including DCQCN.

drivers/net/ethernet/hisilicon/hns3/hnae3.h

+9 −0
Original line number Diff line number Diff line
@@ -385,6 +385,15 @@ struct hnae3_vector_info { 
#define HNAE3_FW_VERSION_BYTE0_SHIFT	0

#define HNAE3_FW_VERSION_BYTE0_MASK	GENMASK(7, 0)



#define HNAE3_SCC_VERSION_BYTE3_SHIFT	24

#define HNAE3_SCC_VERSION_BYTE3_MASK	GENMASK(31, 24)

#define HNAE3_SCC_VERSION_BYTE2_SHIFT	16

#define HNAE3_SCC_VERSION_BYTE2_MASK	GENMASK(23, 16)

#define HNAE3_SCC_VERSION_BYTE1_SHIFT	8

#define HNAE3_SCC_VERSION_BYTE1_MASK	GENMASK(15, 8)

#define HNAE3_SCC_VERSION_BYTE0_SHIFT	0

#define HNAE3_SCC_VERSION_BYTE0_MASK	GENMASK(7, 0)



struct hnae3_ring_chain_node {

	struct hnae3_ring_chain_node *next;

	u32 tqp_index;

drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h

+8 −0
Original line number Diff line number Diff line
@@ -247,6 +247,9 @@ enum hclge_opcode_type { 
	HCLGE_OPC_QCN_AJUST_INIT	= 0x1A07,

	HCLGE_OPC_QCN_DFX_CNT_STATUS    = 0x1A08,



	/* SCC commands */

	HCLGE_OPC_QUERY_SCC_VER		= 0x1A84,



	/* Mailbox command */

	HCLGEVF_OPC_MBX_PF_TO_VF	= 0x2000,

	HCLGEVF_OPC_MBX_VF_TO_PF	= 0x2001,
@@ -411,6 +414,11 @@ struct hclge_comm_query_version_cmd { 
	__le32 caps[HCLGE_COMM_QUERY_CAP_LENGTH]; /* capabilities of device */

};



struct hclge_comm_query_scc_cmd {

	__le32 scc_version;

	u8 rsv[20];

};



#define HCLGE_DESC_DATA_LEN		6

struct hclge_desc {

	__le16 opcode;

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c

+41 −3
Original line number Diff line number Diff line
@@ -5,6 +5,34 @@ 


#include "hclge_devlink.h"



static int hclge_devlink_scc_info_get(struct devlink *devlink,

				      struct devlink_info_req *req)

{

	struct hclge_devlink_priv *priv = devlink_priv(devlink);

	char scc_version[HCLGE_DEVLINK_FW_SCC_LEN];

	struct hclge_dev *hdev = priv->hdev;

	u32 scc_version_tmp;

	int ret;



	ret = hclge_query_scc_version(hdev, &scc_version_tmp);

	if (ret) {

		dev_err(&hdev->pdev->dev,

			"failed to get scc version, ret = %d\n", ret);

		return ret;

	}



	snprintf(scc_version, sizeof(scc_version), "%lu.%lu.%lu.%lu",

		 hnae3_get_field(scc_version_tmp, HNAE3_SCC_VERSION_BYTE3_MASK,

				 HNAE3_FW_VERSION_BYTE3_SHIFT),

		 hnae3_get_field(scc_version_tmp, HNAE3_SCC_VERSION_BYTE2_MASK,

				 HNAE3_FW_VERSION_BYTE2_SHIFT),

		 hnae3_get_field(scc_version_tmp, HNAE3_SCC_VERSION_BYTE1_MASK,

				 HNAE3_FW_VERSION_BYTE1_SHIFT),

		 hnae3_get_field(scc_version_tmp, HNAE3_SCC_VERSION_BYTE0_MASK,

				 HNAE3_FW_VERSION_BYTE0_SHIFT));

	return devlink_info_version_running_put(req, "fw.scc", scc_version);

}



static int hclge_devlink_info_get(struct devlink *devlink,

				  struct devlink_info_req *req,

				  struct netlink_ext_ack *extack)
@@ -13,6 +41,7 @@ static int hclge_devlink_info_get(struct devlink *devlink, 
	struct hclge_devlink_priv *priv = devlink_priv(devlink);

	char version_str[HCLGE_DEVLINK_FW_STRING_LEN];

	struct hclge_dev *hdev = priv->hdev;

	int ret;



	snprintf(version_str, sizeof(version_str), "%lu.%lu.%lu.%lu",

		 hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
@@ -24,9 +53,18 @@ static int hclge_devlink_info_get(struct devlink *devlink, 
		 hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE0_MASK,

				 HNAE3_FW_VERSION_BYTE0_SHIFT));



	return devlink_info_version_running_put(req,

	ret = devlink_info_version_running_put(req,

					       DEVLINK_INFO_VERSION_GENERIC_FW,

					       version_str);

	if (ret) {

		dev_err(&hdev->pdev->dev, "failed to set running version of fw\n");

		return ret;

	}



	if (hdev->pdev->revision > HNAE3_DEVICE_VERSION_V2)

		ret = hclge_devlink_scc_info_get(devlink, req);



	return ret;

}



static int hclge_devlink_reload_down(struct devlink *devlink, bool netns_change,

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.h

+2 −0
Original line number Diff line number Diff line
@@ -6,6 +6,8 @@ 


#include "hclge_main.h"



#define	HCLGE_DEVLINK_FW_SCC_LEN	32



struct hclge_devlink_priv {

	struct hclge_dev *hdev;

};