Merge branch 'net-hns3-fixes-for-net'

Guangbin Huang says:

====================
net: hns3: fixes for -net

This series includes some bugfixes for the HNS3 ethernet driver.
====================

Link: https://lore.kernel.org/r/1626685988-25869-1-git-send-email-huangguangbin2@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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

@@ -98,6 +98,7 @@ struct hclgevf_mbx_resp_status {
 	u32 origin_mbx_msg;
 	bool received_resp;
 	int resp_status;
+	u16 match_id;
 	u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE];
 };
 
@@ -143,7 +144,8 @@ struct hclge_mbx_vf_to_pf_cmd {
 	u8 mbx_need_resp;
 	u8 rsv1[1];
 	u8 msg_len;
-	u8 rsv2[3];
+	u8 rsv2;
+	u16 match_id;
 	struct hclge_vf_to_pf_msg msg;
 };
 
@@ -153,7 +155,8 @@ struct hclge_mbx_pf_to_vf_cmd {
 	u8 dest_vfid;
 	u8 rsv[3];
 	u8 msg_len;
-	u8 rsv1[3];
+	u8 rsv1;
+	u16 match_id;
 	struct hclge_pf_to_vf_msg msg;
 };
 

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

@@ -9552,13 +9552,17 @@ static int hclge_set_vport_vlan_filter(struct hclge_vport *vport, bool enable)
 	if (ret)
 		return ret;
 
-	if (test_bit(HNAE3_DEV_SUPPORT_PORT_VLAN_BYPASS_B, ae_dev->caps))
+	if (test_bit(HNAE3_DEV_SUPPORT_PORT_VLAN_BYPASS_B, ae_dev->caps)) {
 		ret = hclge_set_port_vlan_filter_bypass(hdev, vport->vport_id,
 							!enable);
-	else if (!vport->vport_id)
+	} else if (!vport->vport_id) {
+		if (test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps))
+			enable = false;
+
 		ret = hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_PORT,
 						 HCLGE_FILTER_FE_INGRESS,
 						 enable, 0);
+	}
 
 	return ret;
 }

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

@@ -47,6 +47,7 @@ static int hclge_gen_resp_to_vf(struct hclge_vport *vport,
 
 	resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid;
 	resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len;
+	resp_pf_to_vf->match_id = vf_to_pf_req->match_id;
 
 	resp_pf_to_vf->msg.code = HCLGE_MBX_PF_VF_RESP;
 	resp_pf_to_vf->msg.vf_mbx_msg_code = vf_to_pf_req->msg.code;

drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c

@@ -2641,6 +2641,16 @@ static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev)
 
 static int hclgevf_init_vlan_config(struct hclgevf_dev *hdev)
 {
+	struct hnae3_handle *nic = &hdev->nic;
+	int ret;
+
+	ret = hclgevf_en_hw_strip_rxvtag(nic, true);
+	if (ret) {
+		dev_err(&hdev->pdev->dev,
+			"failed to enable rx vlan offload, ret = %d\n", ret);
+		return ret;
+	}
+
 	return hclgevf_set_vlan_filter(&hdev->nic, htons(ETH_P_8021Q), 0,
 				       false);
 }

drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c

@@ -13,6 +13,7 @@ static int hclgevf_resp_to_errno(u16 resp_code)
 	return resp_code ? -resp_code : 0;
 }
 
+#define HCLGEVF_MBX_MATCH_ID_START	1
 static void hclgevf_reset_mbx_resp_status(struct hclgevf_dev *hdev)
 {
 	/* this function should be called with mbx_resp.mbx_mutex held
@@ -21,6 +22,10 @@ static void hclgevf_reset_mbx_resp_status(struct hclgevf_dev *hdev)
 	hdev->mbx_resp.received_resp  = false;
 	hdev->mbx_resp.origin_mbx_msg = 0;
 	hdev->mbx_resp.resp_status    = 0;
+	hdev->mbx_resp.match_id++;
+	/* Update match_id and ensure the value of match_id is not zero */
+	if (hdev->mbx_resp.match_id == 0)
+		hdev->mbx_resp.match_id = HCLGEVF_MBX_MATCH_ID_START;
 	memset(hdev->mbx_resp.additional_info, 0, HCLGE_MBX_MAX_RESP_DATA_SIZE);
 }
 
@@ -115,6 +120,7 @@ int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev,
 	if (need_resp) {
 		mutex_lock(&hdev->mbx_resp.mbx_mutex);
 		hclgevf_reset_mbx_resp_status(hdev);
+		req->match_id = hdev->mbx_resp.match_id;
 		status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
 		if (status) {
 			dev_err(&hdev->pdev->dev,
@@ -211,6 +217,19 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev)
 				resp->additional_info[i] = *temp;
 				temp++;
 			}
+
+			/* If match_id is not zero, it means PF support
+			 * match_id. If the match_id is right, VF get the
+			 * right response, otherwise ignore the response.
+			 * Driver will clear hdev->mbx_resp when send
+			 * next message which need response.
+			 */
+			if (req->match_id) {
+				if (req->match_id == resp->match_id)
+					resp->received_resp = true;
+			} else {
+				resp->received_resp = true;
+			}
 			break;
 		case HCLGE_MBX_LINK_STAT_CHANGE:
 		case HCLGE_MBX_ASSERTING_RESET: