net: hns3: add vlan offload config command

This patch adds vlan offload config commands, initializes
the rules of tx/rx vlan tag handle for hw.
Signed-off-by: NPeng Li <lipeng321@huawei.com>
Signed-off-by: NJian Shen <shenjian15@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

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

@@ -180,6 +180,10 @@ enum hclge_opcode_type {
 	/* Promisuous mode command */
 	HCLGE_OPC_CFG_PROMISC_MODE	= 0x0E01,
 
+	/* Vlan offload command */
+	HCLGE_OPC_VLAN_PORT_TX_CFG	= 0x0F01,
+	HCLGE_OPC_VLAN_PORT_RX_CFG	= 0x0F02,
+
 	/* Interrupts cmd */
 	HCLGE_OPC_ADD_RING_TO_VECTOR	= 0x1503,
 	HCLGE_OPC_DEL_RING_TO_VECTOR	= 0x1504,
@@ -670,6 +674,47 @@ struct hclge_vlan_filter_vf_cfg_cmd {
 	u8  vf_bitmap[16];
 };
 
+#define HCLGE_ACCEPT_TAG_B		0
+#define HCLGE_ACCEPT_UNTAG_B		1
+#define HCLGE_PORT_INS_TAG1_EN_B	2
+#define HCLGE_PORT_INS_TAG2_EN_B	3
+#define HCLGE_CFG_NIC_ROCE_SEL_B	4
+struct hclge_vport_vtag_tx_cfg_cmd {
+	u8 vport_vlan_cfg;
+	u8 vf_offset;
+	u8 rsv1[2];
+	__le16 def_vlan_tag1;
+	__le16 def_vlan_tag2;
+	u8 vf_bitmap[8];
+	u8 rsv2[8];
+};
+
+#define HCLGE_REM_TAG1_EN_B		0
+#define HCLGE_REM_TAG2_EN_B		1
+#define HCLGE_SHOW_TAG1_EN_B		2
+#define HCLGE_SHOW_TAG2_EN_B		3
+struct hclge_vport_vtag_rx_cfg_cmd {
+	u8 vport_vlan_cfg;
+	u8 vf_offset;
+	u8 rsv1[6];
+	u8 vf_bitmap[8];
+	u8 rsv2[8];
+};
+
+struct hclge_tx_vlan_type_cfg_cmd {
+	__le16 ot_vlan_type;
+	__le16 in_vlan_type;
+	u8 rsv[20];
+};
+
+struct hclge_rx_vlan_type_cfg_cmd {
+	__le16 ot_fst_vlan_type;
+	__le16 ot_sec_vlan_type;
+	__le16 in_fst_vlan_type;
+	__le16 in_sec_vlan_type;
+	u8 rsv[16];
+};
+
 struct hclge_cfg_com_tqp_queue_cmd {
 	__le16 tqp_id;
 	__le16 stream_id;

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

@@ -4380,23 +4380,169 @@ static int hclge_set_vf_vlan_filter(struct hnae3_handle *handle, int vfid,
 	return hclge_set_vf_vlan_common(hdev, vfid, false, vlan, qos, proto);
 }
 
+static int hclge_set_vlan_tx_offload_cfg(struct hclge_vport *vport)
+{
+	struct hclge_tx_vtag_cfg *vcfg = &vport->txvlan_cfg;
+	struct hclge_vport_vtag_tx_cfg_cmd *req;
+	struct hclge_dev *hdev = vport->back;
+	struct hclge_desc desc;
+	int status;
+
+	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_VLAN_PORT_TX_CFG, false);
+
+	req = (struct hclge_vport_vtag_tx_cfg_cmd *)desc.data;
+	req->def_vlan_tag1 = cpu_to_le16(vcfg->default_tag1);
+	req->def_vlan_tag2 = cpu_to_le16(vcfg->default_tag2);
+	hnae_set_bit(req->vport_vlan_cfg, HCLGE_ACCEPT_TAG_B,
+		     vcfg->accept_tag ? 1 : 0);
+	hnae_set_bit(req->vport_vlan_cfg, HCLGE_ACCEPT_UNTAG_B,
+		     vcfg->accept_untag ? 1 : 0);
+	hnae_set_bit(req->vport_vlan_cfg, HCLGE_PORT_INS_TAG1_EN_B,
+		     vcfg->insert_tag1_en ? 1 : 0);
+	hnae_set_bit(req->vport_vlan_cfg, HCLGE_PORT_INS_TAG2_EN_B,
+		     vcfg->insert_tag2_en ? 1 : 0);
+	hnae_set_bit(req->vport_vlan_cfg, HCLGE_CFG_NIC_ROCE_SEL_B, 0);
+
+	req->vf_offset = vport->vport_id / HCLGE_VF_NUM_PER_CMD;
+	req->vf_bitmap[req->vf_offset] =
+		1 << (vport->vport_id % HCLGE_VF_NUM_PER_BYTE);
+
+	status = hclge_cmd_send(&hdev->hw, &desc, 1);
+	if (status)
+		dev_err(&hdev->pdev->dev,
+			"Send port txvlan cfg command fail, ret =%d\n",
+			status);
+
+	return status;
+}
+
+static int hclge_set_vlan_rx_offload_cfg(struct hclge_vport *vport)
+{
+	struct hclge_rx_vtag_cfg *vcfg = &vport->rxvlan_cfg;
+	struct hclge_vport_vtag_rx_cfg_cmd *req;
+	struct hclge_dev *hdev = vport->back;
+	struct hclge_desc desc;
+	int status;
+
+	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_VLAN_PORT_RX_CFG, false);
+
+	req = (struct hclge_vport_vtag_rx_cfg_cmd *)desc.data;
+	hnae_set_bit(req->vport_vlan_cfg, HCLGE_REM_TAG1_EN_B,
+		     vcfg->strip_tag1_en ? 1 : 0);
+	hnae_set_bit(req->vport_vlan_cfg, HCLGE_REM_TAG2_EN_B,
+		     vcfg->strip_tag2_en ? 1 : 0);
+	hnae_set_bit(req->vport_vlan_cfg, HCLGE_SHOW_TAG1_EN_B,
+		     vcfg->vlan1_vlan_prionly ? 1 : 0);
+	hnae_set_bit(req->vport_vlan_cfg, HCLGE_SHOW_TAG2_EN_B,
+		     vcfg->vlan2_vlan_prionly ? 1 : 0);
+
+	req->vf_offset = vport->vport_id / HCLGE_VF_NUM_PER_CMD;
+	req->vf_bitmap[req->vf_offset] =
+		1 << (vport->vport_id % HCLGE_VF_NUM_PER_BYTE);
+
+	status = hclge_cmd_send(&hdev->hw, &desc, 1);
+	if (status)
+		dev_err(&hdev->pdev->dev,
+			"Send port rxvlan cfg command fail, ret =%d\n",
+			status);
+
+	return status;
+}
+
+static int hclge_set_vlan_protocol_type(struct hclge_dev *hdev)
+{
+	struct hclge_rx_vlan_type_cfg_cmd *rx_req;
+	struct hclge_tx_vlan_type_cfg_cmd *tx_req;
+	struct hclge_desc desc;
+	int status;
+
+	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_VLAN_TYPE_ID, false);
+	rx_req = (struct hclge_rx_vlan_type_cfg_cmd *)desc.data;
+	rx_req->ot_fst_vlan_type =
+		cpu_to_le16(hdev->vlan_type_cfg.rx_ot_fst_vlan_type);
+	rx_req->ot_sec_vlan_type =
+		cpu_to_le16(hdev->vlan_type_cfg.rx_ot_sec_vlan_type);
+	rx_req->in_fst_vlan_type =
+		cpu_to_le16(hdev->vlan_type_cfg.rx_in_fst_vlan_type);
+	rx_req->in_sec_vlan_type =
+		cpu_to_le16(hdev->vlan_type_cfg.rx_in_sec_vlan_type);
+
+	status = hclge_cmd_send(&hdev->hw, &desc, 1);
+	if (status) {
+		dev_err(&hdev->pdev->dev,
+			"Send rxvlan protocol type command fail, ret =%d\n",
+			status);
+		return status;
+	}
+
+	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_VLAN_INSERT, false);
+
+	tx_req = (struct hclge_tx_vlan_type_cfg_cmd *)&desc.data;
+	tx_req->ot_vlan_type = cpu_to_le16(hdev->vlan_type_cfg.tx_ot_vlan_type);
+	tx_req->in_vlan_type = cpu_to_le16(hdev->vlan_type_cfg.tx_in_vlan_type);
+
+	status = hclge_cmd_send(&hdev->hw, &desc, 1);
+	if (status)
+		dev_err(&hdev->pdev->dev,
+			"Send txvlan protocol type command fail, ret =%d\n",
+			status);
+
+	return status;
+}
+
 static int hclge_init_vlan_config(struct hclge_dev *hdev)
 {
-#define HCLGE_VLAN_TYPE_VF_TABLE   0
-#define HCLGE_VLAN_TYPE_PORT_TABLE 1
+#define HCLGE_FILTER_TYPE_VF		0
+#define HCLGE_FILTER_TYPE_PORT		1
+#define HCLGE_DEF_VLAN_TYPE		0x8100
+
 	struct hnae3_handle *handle;
+	struct hclge_vport *vport;
 	int ret;
+	int i;
+
+	ret = hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_VF, true);
+	if (ret)
+		return ret;
 
-	ret = hclge_set_vlan_filter_ctrl(hdev, HCLGE_VLAN_TYPE_VF_TABLE,
-					 true);
+	ret = hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_PORT, true);
 	if (ret)
 		return ret;
 
-	ret = hclge_set_vlan_filter_ctrl(hdev, HCLGE_VLAN_TYPE_PORT_TABLE,
-					 true);
+	hdev->vlan_type_cfg.rx_in_fst_vlan_type = HCLGE_DEF_VLAN_TYPE;
+	hdev->vlan_type_cfg.rx_in_sec_vlan_type = HCLGE_DEF_VLAN_TYPE;
+	hdev->vlan_type_cfg.rx_ot_fst_vlan_type = HCLGE_DEF_VLAN_TYPE;
+	hdev->vlan_type_cfg.rx_ot_sec_vlan_type = HCLGE_DEF_VLAN_TYPE;
+	hdev->vlan_type_cfg.tx_ot_vlan_type = HCLGE_DEF_VLAN_TYPE;
+	hdev->vlan_type_cfg.tx_in_vlan_type = HCLGE_DEF_VLAN_TYPE;
+
+	ret = hclge_set_vlan_protocol_type(hdev);
 	if (ret)
 		return ret;
 
+	for (i = 0; i < hdev->num_alloc_vport; i++) {
+		vport = &hdev->vport[i];
+		vport->txvlan_cfg.accept_tag = true;
+		vport->txvlan_cfg.accept_untag = true;
+		vport->txvlan_cfg.insert_tag1_en = false;
+		vport->txvlan_cfg.insert_tag2_en = false;
+		vport->txvlan_cfg.default_tag1 = 0;
+		vport->txvlan_cfg.default_tag2 = 0;
+
+		ret = hclge_set_vlan_tx_offload_cfg(vport);
+		if (ret)
+			return ret;
+
+		vport->rxvlan_cfg.strip_tag1_en = false;
+		vport->rxvlan_cfg.strip_tag2_en = true;
+		vport->rxvlan_cfg.vlan1_vlan_prionly = false;
+		vport->rxvlan_cfg.vlan2_vlan_prionly = false;
+
+		ret = hclge_set_vlan_rx_offload_cfg(vport);
+		if (ret)
+			return ret;
+	}
+
 	handle = &hdev->vport[0].nic;
 	return hclge_set_port_vlan_filter(handle, htons(ETH_P_8021Q), 0, false);
 }

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

@@ -79,6 +79,10 @@
 #define HCLGE_PHY_MDIX_STATUS_B	(6)
 #define HCLGE_PHY_SPEED_DUP_RESOLVE_B	(11)
 
+/* Factor used to calculate offset and bitmap of VF num */
+#define HCLGE_VF_NUM_PER_CMD           64
+#define HCLGE_VF_NUM_PER_BYTE          8
+
 /* Reset related Registers */
 #define HCLGE_MISC_RESET_STS_REG	0x20700
 #define HCLGE_GLOBAL_RESET_REG		0x20A00
@@ -424,6 +428,15 @@ struct hclge_hw_stats {
 	struct hclge_32_bit_stats   all_32_bit_stats;
 };
 
+struct hclge_vlan_type_cfg {
+	u16 rx_ot_fst_vlan_type;
+	u16 rx_ot_sec_vlan_type;
+	u16 rx_in_fst_vlan_type;
+	u16 rx_in_sec_vlan_type;
+	u16 tx_ot_vlan_type;
+	u16 tx_in_vlan_type;
+};
+
 struct hclge_dev {
 	struct pci_dev *pdev;
 	struct hnae3_ae_dev *ae_dev;
@@ -510,6 +523,26 @@ struct hclge_dev {
 	enum hclge_mta_dmac_sel_type mta_mac_sel_type;
 	bool enable_mta; /* Mutilcast filter enable */
 	bool accept_mta_mc; /* Whether accept mta filter multicast */
+
+	struct hclge_vlan_type_cfg vlan_type_cfg;
+};
+
+/* VPort level vlan tag configuration for TX direction */
+struct hclge_tx_vtag_cfg {
+	bool accept_tag;	/* Whether accept tagged packet from host */
+	bool accept_untag;	/* Whether accept untagged packet from host */
+	bool insert_tag1_en;	/* Whether insert inner vlan tag */
+	bool insert_tag2_en;	/* Whether insert outer vlan tag */
+	u16  default_tag1;	/* The default inner vlan tag to insert */
+	u16  default_tag2;	/* The default outer vlan tag to insert */
+};
+
+/* VPort level vlan tag configuration for RX direction */
+struct hclge_rx_vtag_cfg {
+	bool strip_tag1_en;	/* Whether strip inner vlan tag */
+	bool strip_tag2_en;	/* Whether strip outer vlan tag */
+	bool vlan1_vlan_prionly;/* Inner VLAN Tag up to descriptor Enable */
+	bool vlan2_vlan_prionly;/* Outer VLAN Tag up to descriptor Enable */
 };
 
 struct hclge_vport {
@@ -524,6 +557,9 @@ struct hclge_vport {
 	u16 bw_limit;		/* VSI BW Limit (0 = disabled) */
 	u8  dwrr;
 
+	struct hclge_tx_vtag_cfg  txvlan_cfg;
+	struct hclge_rx_vtag_cfg  rxvlan_cfg;
+
 	int vport_id;
 	struct hclge_dev *back;  /* Back reference to associated dev */
 	struct hnae3_handle nic;