[mirror_ubuntu-bionic-kernel.git] / drivers / net / ethernet / hisilicon / hns3 / hns3pf / hclge_mbx.c

// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2016-2017 Hisilicon Limited.

#include "hclge_main.h"
#include "hclge_mbx.h"
#include "hnae3.h"

/* hclge_gen_resp_to_vf: used to generate a synchronous response to VF when PF
 * receives a mailbox message from VF.
 * @vport: pointer to struct hclge_vport
 * @vf_to_pf_req: pointer to hclge_mbx_vf_to_pf_cmd of the original mailbox
 *		  message
 * @resp_status: indicate to VF whether its request success(0) or failed.
 */
static int hclge_gen_resp_to_vf(struct hclge_vport *vport,
				struct hclge_mbx_vf_to_pf_cmd *vf_to_pf_req,
				int resp_status,
				u8 *resp_data, u16 resp_data_len)
{
	struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
	struct hclge_dev *hdev = vport->back;
	enum hclge_cmd_status status;
	struct hclge_desc desc;

	resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;

	if (resp_data_len > HCLGE_MBX_MAX_RESP_DATA_SIZE) {
		dev_err(&hdev->pdev->dev,
			"PF fail to gen resp to VF len %d exceeds max len %d\n",
			resp_data_len,
			HCLGE_MBX_MAX_RESP_DATA_SIZE);
	}

	hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);

	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->msg[0] = HCLGE_MBX_PF_VF_RESP;
	resp_pf_to_vf->msg[1] = vf_to_pf_req->msg[0];
	resp_pf_to_vf->msg[2] = vf_to_pf_req->msg[1];
	resp_pf_to_vf->msg[3] = (resp_status == 0) ? 0 : 1;

	if (resp_data && resp_data_len > 0)
		memcpy(&resp_pf_to_vf->msg[4], resp_data, resp_data_len);

	status = hclge_cmd_send(&hdev->hw, &desc, 1);
	if (status)
		dev_err(&hdev->pdev->dev,
			"PF failed(=%d) to send response to VF\n", status);

	return status;
}

static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len,
			      u16 mbx_opcode, u8 dest_vfid)
{
	struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
	struct hclge_dev *hdev = vport->back;
	enum hclge_cmd_status status;
	struct hclge_desc desc;

	resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;

	hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);

	resp_pf_to_vf->dest_vfid = dest_vfid;
	resp_pf_to_vf->msg_len = msg_len;
	resp_pf_to_vf->msg[0] = mbx_opcode;

	memcpy(&resp_pf_to_vf->msg[1], msg, msg_len);

	status = hclge_cmd_send(&hdev->hw, &desc, 1);
	if (status)
		dev_err(&hdev->pdev->dev,
			"PF failed(=%d) to send mailbox message to VF\n",
			status);

	return status;
}

static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head)
{
	struct hnae3_ring_chain_node *chain_tmp, *chain;

	chain = head->next;

	while (chain) {
		chain_tmp = chain->next;
		kzfree(chain);
		chain = chain_tmp;
	}
}

/* hclge_get_ring_chain_from_mbx: get ring type & tqpid from mailbox message
 * msg[0]: opcode
 * msg[1]: <not relevant to this function>
 * msg[2]: ring_num
 * msg[3]: first ring type (TX|RX)
 * msg[4]: first tqp id
 * msg[5] ~ msg[14]: other ring type and tqp id
 */
static int hclge_get_ring_chain_from_mbx(
			struct hclge_mbx_vf_to_pf_cmd *req,
			struct hnae3_ring_chain_node *ring_chain,
			struct hclge_vport *vport)
{
	struct hnae3_ring_chain_node *cur_chain, *new_chain;
	int ring_num;
	int i;

	ring_num = req->msg[2];

	if (ring_num > ((HCLGE_MBX_VF_MSG_DATA_NUM -
		HCLGE_MBX_RING_MAP_BASIC_MSG_NUM) /
		HCLGE_MBX_RING_NODE_VARIABLE_NUM))
		return -ENOMEM;

	hnae_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B, req->msg[3]);
	ring_chain->tqp_index =
			hclge_get_queue_id(vport->nic.kinfo.tqp[req->msg[4]]);
	hnae_set_field(ring_chain->int_gl_idx, HCLGE_INT_GL_IDX_M,
		       HCLGE_INT_GL_IDX_S,
		       req->msg[5]);

	cur_chain = ring_chain;

	for (i = 1; i < ring_num; i++) {
		new_chain = kzalloc(sizeof(*new_chain), GFP_KERNEL);
		if (!new_chain)
			goto err;

		hnae_set_bit(new_chain->flag, HNAE3_RING_TYPE_B,
			     req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
			     HCLGE_MBX_RING_MAP_BASIC_MSG_NUM]);

		new_chain->tqp_index =
		hclge_get_queue_id(vport->nic.kinfo.tqp
			[req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
			HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 1]]);

		hnae_set_field(new_chain->int_gl_idx, HCLGE_INT_GL_IDX_M,
			       HCLGE_INT_GL_IDX_S,
			       req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
			       HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 2]);

		cur_chain->next = new_chain;
		cur_chain = new_chain;
	}

	return 0;
err:
	hclge_free_vector_ring_chain(ring_chain);
	return -ENOMEM;
}

static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en,
					     struct hclge_mbx_vf_to_pf_cmd *req)
{
	struct hnae3_ring_chain_node ring_chain;
	int vector_id = req->msg[1];
	int ret;

	memset(&ring_chain, 0, sizeof(ring_chain));
	ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport);
	if (ret)
		return ret;

	ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain);
	if (ret)
		return ret;

	hclge_free_vector_ring_chain(&ring_chain);

	return 0;
}

static int hclge_set_vf_promisc_mode(struct hclge_vport *vport,
				     struct hclge_mbx_vf_to_pf_cmd *req)
{
	bool en = req->msg[1] ? true : false;
	struct hclge_promisc_param param;

	/* always enable broadcast promisc bit */
	hclge_promisc_param_init(&param, en, en, true, vport->vport_id);
	return hclge_cmd_set_promisc_mode(vport->back, &param);
}

static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport,
				    struct hclge_mbx_vf_to_pf_cmd *mbx_req,
				    bool gen_resp)
{
	const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]);
	struct hclge_dev *hdev = vport->back;
	int status;

	if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_MODIFY) {
		const u8 *old_addr = (const u8 *)(&mbx_req->msg[8]);

		hclge_rm_uc_addr_common(vport, old_addr);
		status = hclge_add_uc_addr_common(vport, mac_addr);
		if (status)
			hclge_add_uc_addr_common(vport, old_addr);
	} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_ADD) {
		status = hclge_add_uc_addr_common(vport, mac_addr);
	} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_REMOVE) {
		status = hclge_rm_uc_addr_common(vport, mac_addr);
	} else {
		dev_err(&hdev->pdev->dev,
			"failed to set unicast mac addr, unknown subcode %d\n",
			mbx_req->msg[1]);
		return -EIO;
	}

	if (gen_resp)
		hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);

	return 0;
}

static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport,
				    struct hclge_mbx_vf_to_pf_cmd *mbx_req,
				    bool gen_resp)
{
	const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]);
	struct hclge_dev *hdev = vport->back;
	int status;

	if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_ADD) {
		status = hclge_add_mc_addr_common(vport, mac_addr);
	} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_REMOVE) {
		status = hclge_rm_mc_addr_common(vport, mac_addr);
	} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_FUNC_MTA_ENABLE) {
		u8 func_id = vport->vport_id;
		bool enable = mbx_req->msg[2];

		status = hclge_cfg_func_mta_filter(hdev, func_id, enable);
	} else {
		dev_err(&hdev->pdev->dev,
			"failed to set mcast mac addr, unknown subcode %d\n",
			mbx_req->msg[1]);
		return -EIO;
	}

	if (gen_resp)
		hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);

	return 0;
}

static int hclge_set_vf_vlan_cfg(struct hclge_vport *vport,
				 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
				 bool gen_resp)
{
	struct hclge_dev *hdev = vport->back;
	int status = 0;

	if (mbx_req->msg[1] == HCLGE_MBX_VLAN_FILTER) {
		u16 vlan, proto;
		bool is_kill;

		is_kill = !!mbx_req->msg[2];
		memcpy(&vlan, &mbx_req->msg[3], sizeof(vlan));
		memcpy(&proto, &mbx_req->msg[5], sizeof(proto));
		status = hclge_set_vf_vlan_common(hdev, vport->vport_id,
						  is_kill, vlan, 0,
						  cpu_to_be16(proto));
	}

	if (gen_resp)
		status = hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);

	return status;
}

static int hclge_get_vf_tcinfo(struct hclge_vport *vport,
			       struct hclge_mbx_vf_to_pf_cmd *mbx_req,
			       bool gen_resp)
{
	struct hclge_dev *hdev = vport->back;
	int ret;

	ret = hclge_gen_resp_to_vf(vport, mbx_req, 0, &hdev->hw_tc_map,
				   sizeof(u8));

	return ret;
}

static int hclge_get_vf_queue_info(struct hclge_vport *vport,
				   struct hclge_mbx_vf_to_pf_cmd *mbx_req,
				   bool gen_resp)
{
#define HCLGE_TQPS_RSS_INFO_LEN		8
	u8 resp_data[HCLGE_TQPS_RSS_INFO_LEN];
	struct hclge_dev *hdev = vport->back;

	/* get the queue related info */
	memcpy(&resp_data[0], &vport->alloc_tqps, sizeof(u16));
	memcpy(&resp_data[2], &vport->nic.kinfo.rss_size, sizeof(u16));
	memcpy(&resp_data[4], &hdev->num_desc, sizeof(u16));
	memcpy(&resp_data[6], &hdev->rx_buf_len, sizeof(u16));

	return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
				    HCLGE_TQPS_RSS_INFO_LEN);
}

static int hclge_get_link_info(struct hclge_vport *vport,
			       struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
	struct hclge_dev *hdev = vport->back;
	u16 link_status;
	u8 msg_data[2];
	u8 dest_vfid;

	/* mac.link can only be 0 or 1 */
	link_status = (u16)hdev->hw.mac.link;
	memcpy(&msg_data[0], &link_status, sizeof(u16));
	dest_vfid = mbx_req->mbx_src_vfid;

	/* send this requested info to VF */
	return hclge_send_mbx_msg(vport, msg_data, sizeof(u8),
				  HCLGE_MBX_LINK_STAT_CHANGE, dest_vfid);
}

static void hclge_mbx_reset_vf_queue(struct hclge_vport *vport,
				     struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
	u16 queue_id;

	memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id));

	hclge_reset_vf_queue(vport, queue_id);

	/* send response msg to VF after queue reset complete*/
	hclge_gen_resp_to_vf(vport, mbx_req, 0, NULL, 0);
}

void hclge_mbx_handler(struct hclge_dev *hdev)
{
	struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq;
	struct hclge_mbx_vf_to_pf_cmd *req;
	struct hclge_vport *vport;
	struct hclge_desc *desc;
	int ret, flag;

	flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
	/* handle all the mailbox requests in the queue */
	while (hnae_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B)) {
		desc = &crq->desc[crq->next_to_use];
		req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data;

		vport = &hdev->vport[req->mbx_src_vfid];

		switch (req->msg[0]) {
		case HCLGE_MBX_MAP_RING_TO_VECTOR:
			ret = hclge_map_unmap_ring_to_vf_vector(vport, true,
								req);
			break;
		case HCLGE_MBX_UNMAP_RING_TO_VECTOR:
			ret = hclge_map_unmap_ring_to_vf_vector(vport, false,
								req);
			break;
		case HCLGE_MBX_SET_PROMISC_MODE:
			ret = hclge_set_vf_promisc_mode(vport, req);
			if (ret)
				dev_err(&hdev->pdev->dev,
					"PF fail(%d) to set VF promisc mode\n",
					ret);
			break;
		case HCLGE_MBX_SET_UNICAST:
			ret = hclge_set_vf_uc_mac_addr(vport, req, true);
			if (ret)
				dev_err(&hdev->pdev->dev,
					"PF fail(%d) to set VF UC MAC Addr\n",
					ret);
			break;
		case HCLGE_MBX_SET_MULTICAST:
			ret = hclge_set_vf_mc_mac_addr(vport, req, false);
			if (ret)
				dev_err(&hdev->pdev->dev,
					"PF fail(%d) to set VF MC MAC Addr\n",
					ret);
			break;
		case HCLGE_MBX_SET_VLAN:
			ret = hclge_set_vf_vlan_cfg(vport, req, false);
			if (ret)
				dev_err(&hdev->pdev->dev,
					"PF failed(%d) to config VF's VLAN\n",
					ret);
			break;
		case HCLGE_MBX_GET_QINFO:
			ret = hclge_get_vf_queue_info(vport, req, true);
			if (ret)
				dev_err(&hdev->pdev->dev,
					"PF failed(%d) to get Q info for VF\n",
					ret);
			break;
		case HCLGE_MBX_GET_TCINFO:
			ret = hclge_get_vf_tcinfo(vport, req, true);
			if (ret)
				dev_err(&hdev->pdev->dev,
					"PF failed(%d) to get TC info for VF\n",
					ret);
			break;
		case HCLGE_MBX_GET_LINK_STATUS:
			ret = hclge_get_link_info(vport, req);
			if (ret)
				dev_err(&hdev->pdev->dev,
					"PF fail(%d) to get link stat for VF\n",
					ret);
			break;
		case HCLGE_MBX_QUEUE_RESET:
			hclge_mbx_reset_vf_queue(vport, req);
			break;
		default:
			dev_err(&hdev->pdev->dev,
				"un-supported mailbox message, code = %d\n",
				req->msg[0]);
			break;
		}
		crq->desc[crq->next_to_use].flag = 0;
		hclge_mbx_ring_ptr_move_crq(crq);
		flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
	}

	/* Write back CMDQ_RQ header pointer, M7 need this pointer */
	hclge_write_dev(&hdev->hw, HCLGE_NIC_CRQ_HEAD_REG, crq->next_to_use);
}
Commit	Line	Data
0cdbdd3e SM	1	// SPDX-License-Identifier: GPL-2.0+
	2	// Copyright (c) 2016-2017 Hisilicon Limited.
	3
	4	#include "hclge_main.h"
	5	#include "hclge_mbx.h"
	6	#include "hnae3.h"
	7
	8	/* hclge_gen_resp_to_vf: used to generate a synchronous response to VF when PF
	9	* receives a mailbox message from VF.
	10	* @vport: pointer to struct hclge_vport
	11	* @vf_to_pf_req: pointer to hclge_mbx_vf_to_pf_cmd of the original mailbox
	12	* message
	13	* @resp_status: indicate to VF whether its request success(0) or failed.
	14	*/
	15	static int hclge_gen_resp_to_vf(struct hclge_vport *vport,
	16	struct hclge_mbx_vf_to_pf_cmd *vf_to_pf_req,
	17	int resp_status,
	18	u8 *resp_data, u16 resp_data_len)
	19	{
	20	struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
	21	struct hclge_dev *hdev = vport->back;
	22	enum hclge_cmd_status status;
	23	struct hclge_desc desc;
	24
	25	resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
	26
	27	if (resp_data_len > HCLGE_MBX_MAX_RESP_DATA_SIZE) {
	28	dev_err(&hdev->pdev->dev,
	29	"PF fail to gen resp to VF len %d exceeds max len %d\n",
	30	resp_data_len,
	31	HCLGE_MBX_MAX_RESP_DATA_SIZE);
	32	}
	33
	34	hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
	35
	36	resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid;
	37	resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len;
	38
	39	resp_pf_to_vf->msg[0] = HCLGE_MBX_PF_VF_RESP;
	40	resp_pf_to_vf->msg[1] = vf_to_pf_req->msg[0];
	41	resp_pf_to_vf->msg[2] = vf_to_pf_req->msg[1];
	42	resp_pf_to_vf->msg[3] = (resp_status == 0) ? 0 : 1;
	43
	44	if (resp_data && resp_data_len > 0)
	45	memcpy(&resp_pf_to_vf->msg[4], resp_data, resp_data_len);
	46
	47	status = hclge_cmd_send(&hdev->hw, &desc, 1);
	48	if (status)
	49	dev_err(&hdev->pdev->dev,
	50	"PF failed(=%d) to send response to VF\n", status);
	51
	52	return status;
	53	}
	54
	55	static int hclge_send_mbx_msg(struct hclge_vport vport, u8 msg, u16 msg_len,
	56	u16 mbx_opcode, u8 dest_vfid)
	57	{
	58	struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
	59	struct hclge_dev *hdev = vport->back;
	60	enum hclge_cmd_status status;
	61	struct hclge_desc desc;
	62
	63	resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
	64
65	hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
66
67	resp_pf_to_vf->dest_vfid = dest_vfid;
68	resp_pf_to_vf->msg_len = msg_len;
69	resp_pf_to_vf->msg[0] = mbx_opcode;
70
71	memcpy(&resp_pf_to_vf->msg[1], msg, msg_len);
72
73	status = hclge_cmd_send(&hdev->hw, &desc, 1);
74	if (status)
75	dev_err(&hdev->pdev->dev,
76	"PF failed(=%d) to send mailbox message to VF\n",
77	status);
78
79	return status;
80	}
81
63d7e66f SM	82	static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head)
	83	{
	84	struct hnae3_ring_chain_node chain_tmp, chain;
	85
	86	chain = head->next;
	87
	88	while (chain) {
	89	chain_tmp = chain->next;
	90	kzfree(chain);
	91	chain = chain_tmp;
	92	}
	93	}
	94
	95	/* hclge_get_ring_chain_from_mbx: get ring type & tqpid from mailbox message
	96	* msg[0]: opcode
	97	* msg[1]: <not relevant to this function>
	98	* msg[2]: ring_num
	99	* msg[3]: first ring type (TX\|RX)
	100	* msg[4]: first tqp id
	101	* msg[5] ~ msg[14]: other ring type and tqp id
	102	*/
	103	static int hclge_get_ring_chain_from_mbx(
	104	struct hclge_mbx_vf_to_pf_cmd *req,
	105	struct hnae3_ring_chain_node *ring_chain,
	106	struct hclge_vport *vport)
	107	{
63d7e66f SM	108	struct hnae3_ring_chain_node cur_chain, new_chain;
	109	int ring_num;
	110	int i;
	111
	112	ring_num = req->msg[2];
	113
ce50439a YL	114	if (ring_num > ((HCLGE_MBX_VF_MSG_DATA_NUM -
	115	HCLGE_MBX_RING_MAP_BASIC_MSG_NUM) /
	116	HCLGE_MBX_RING_NODE_VARIABLE_NUM))
	117	return -ENOMEM;
	118
63d7e66f SM	119	hnae_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B, req->msg[3]);
	120	ring_chain->tqp_index =
	121	hclge_get_queue_id(vport->nic.kinfo.tqp[req->msg[4]]);
b385cfd8 FL	122	hnae_set_field(ring_chain->int_gl_idx, HCLGE_INT_GL_IDX_M,
	123	HCLGE_INT_GL_IDX_S,
	124	req->msg[5]);
63d7e66f SM	125
	126	cur_chain = ring_chain;
	127
	128	for (i = 1; i < ring_num; i++) {
	129	new_chain = kzalloc(sizeof(*new_chain), GFP_KERNEL);
	130	if (!new_chain)
	131	goto err;
	132
	133	hnae_set_bit(new_chain->flag, HNAE3_RING_TYPE_B,
ce50439a YL	134	req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
ce50439a YL	135	HCLGE_MBX_RING_MAP_BASIC_MSG_NUM]);
63d7e66f SM	136
	137	new_chain->tqp_index =
	138	hclge_get_queue_id(vport->nic.kinfo.tqp
ce50439a YL	139	[req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
ce50439a YL	140	HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 1]]);
63d7e66f	141
b385cfd8 FL	142	hnae_set_field(new_chain->int_gl_idx, HCLGE_INT_GL_IDX_M,
b385cfd8 FL	143	HCLGE_INT_GL_IDX_S,
ce50439a YL	144	req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
ce50439a YL	145	HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 2]);
b385cfd8	146
63d7e66f SM	147	cur_chain->next = new_chain;
	148	cur_chain = new_chain;
	149	}
	150
	151	return 0;
	152	err:
	153	hclge_free_vector_ring_chain(ring_chain);
	154	return -ENOMEM;
	155	}
	156
	157	static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en,
	158	struct hclge_mbx_vf_to_pf_cmd *req)
	159	{
	160	struct hnae3_ring_chain_node ring_chain;
	161	int vector_id = req->msg[1];
	162	int ret;
	163
	164	memset(&ring_chain, 0, sizeof(ring_chain));
	165	ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport);
	166	if (ret)
	167	return ret;
	168
	169	ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain);
	170	if (ret)
	171	return ret;
	172
	173	hclge_free_vector_ring_chain(&ring_chain);
	174
	175	return 0;
	176	}
	177
0cdbdd3e SM	178	static int hclge_set_vf_promisc_mode(struct hclge_vport *vport,
	179	struct hclge_mbx_vf_to_pf_cmd *req)
	180	{
	181	bool en = req->msg[1] ? true : false;
	182	struct hclge_promisc_param param;
	183
	184	/* always enable broadcast promisc bit */
	185	hclge_promisc_param_init(&param, en, en, true, vport->vport_id);
	186	return hclge_cmd_set_promisc_mode(vport->back, &param);
	187	}
	188
	189	static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport,
	190	struct hclge_mbx_vf_to_pf_cmd *mbx_req,
	191	bool gen_resp)
	192	{
	193	const u8 mac_addr = (const u8 )(&mbx_req->msg[2]);
	194	struct hclge_dev *hdev = vport->back;
	195	int status;
	196
	197	if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_MODIFY) {
	198	const u8 old_addr = (const u8 )(&mbx_req->msg[8]);
	199
	200	hclge_rm_uc_addr_common(vport, old_addr);
	201	status = hclge_add_uc_addr_common(vport, mac_addr);
3cbf5e2d FL	202	if (status)
3cbf5e2d FL	203	hclge_add_uc_addr_common(vport, old_addr);
0cdbdd3e SM	204	} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_ADD) {
	205	status = hclge_add_uc_addr_common(vport, mac_addr);
	206	} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_REMOVE) {
	207	status = hclge_rm_uc_addr_common(vport, mac_addr);
	208	} else {
	209	dev_err(&hdev->pdev->dev,
	210	"failed to set unicast mac addr, unknown subcode %d\n",
	211	mbx_req->msg[1]);
	212	return -EIO;
	213	}
	214
	215	if (gen_resp)
	216	hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);
	217
	218	return 0;
	219	}
	220
	221	static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport,
	222	struct hclge_mbx_vf_to_pf_cmd *mbx_req,
	223	bool gen_resp)
	224	{
	225	const u8 mac_addr = (const u8 )(&mbx_req->msg[2]);
	226	struct hclge_dev *hdev = vport->back;
	227	int status;
	228
	229	if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_ADD) {
	230	status = hclge_add_mc_addr_common(vport, mac_addr);
	231	} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_REMOVE) {
	232	status = hclge_rm_mc_addr_common(vport, mac_addr);
	233	} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_FUNC_MTA_ENABLE) {
	234	u8 func_id = vport->vport_id;
	235	bool enable = mbx_req->msg[2];
	236
	237	status = hclge_cfg_func_mta_filter(hdev, func_id, enable);
	238	} else {
	239	dev_err(&hdev->pdev->dev,
	240	"failed to set mcast mac addr, unknown subcode %d\n",
	241	mbx_req->msg[1]);
	242	return -EIO;
	243	}
	244
	245	if (gen_resp)
	246	hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);
	247
	248	return 0;
	249	}
	250
	251	static int hclge_set_vf_vlan_cfg(struct hclge_vport *vport,
	252	struct hclge_mbx_vf_to_pf_cmd *mbx_req,
	253	bool gen_resp)
	254	{
	255	struct hclge_dev *hdev = vport->back;
	256	int status = 0;
	257
	258	if (mbx_req->msg[1] == HCLGE_MBX_VLAN_FILTER) {
	259	u16 vlan, proto;
	260	bool is_kill;
	261
	262	is_kill = !!mbx_req->msg[2];
	263	memcpy(&vlan, &mbx_req->msg[3], sizeof(vlan));
	264	memcpy(&proto, &mbx_req->msg[5], sizeof(proto));
	265	status = hclge_set_vf_vlan_common(hdev, vport->vport_id,
	266	is_kill, vlan, 0,
	267	cpu_to_be16(proto));
268	}
269
270	if (gen_resp)
271	status = hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);
272
273	return status;
274	}
275
276	static int hclge_get_vf_tcinfo(struct hclge_vport *vport,
277	struct hclge_mbx_vf_to_pf_cmd *mbx_req,
278	bool gen_resp)
279	{
280	struct hclge_dev *hdev = vport->back;
281	int ret;
282
283	ret = hclge_gen_resp_to_vf(vport, mbx_req, 0, &hdev->hw_tc_map,
284	sizeof(u8));
285
286	return ret;
287	}
288
289	static int hclge_get_vf_queue_info(struct hclge_vport *vport,
290	struct hclge_mbx_vf_to_pf_cmd *mbx_req,
291	bool gen_resp)
292	{
293	#define HCLGE_TQPS_RSS_INFO_LEN 8
294	u8 resp_data[HCLGE_TQPS_RSS_INFO_LEN];
295	struct hclge_dev *hdev = vport->back;
296
297	/* get the queue related info */
298	memcpy(&resp_data[0], &vport->alloc_tqps, sizeof(u16));
24d74360	299	memcpy(&resp_data[2], &vport->nic.kinfo.rss_size, sizeof(u16));
0cdbdd3e SM	300	memcpy(&resp_data[4], &hdev->num_desc, sizeof(u16));
	301	memcpy(&resp_data[6], &hdev->rx_buf_len, sizeof(u16));
	302
	303	return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
	304	HCLGE_TQPS_RSS_INFO_LEN);
	305	}
	306
	307	static int hclge_get_link_info(struct hclge_vport *vport,
	308	struct hclge_mbx_vf_to_pf_cmd *mbx_req)
	309	{
	310	struct hclge_dev *hdev = vport->back;
	311	u16 link_status;
	312	u8 msg_data[2];
	313	u8 dest_vfid;
	314
	315	/* mac.link can only be 0 or 1 */
	316	link_status = (u16)hdev->hw.mac.link;
	317	memcpy(&msg_data[0], &link_status, sizeof(u16));
	318	dest_vfid = mbx_req->mbx_src_vfid;
	319
	320	/* send this requested info to VF */
	321	return hclge_send_mbx_msg(vport, msg_data, sizeof(u8),
	322	HCLGE_MBX_LINK_STAT_CHANGE, dest_vfid);
	323	}
	324
d3ea7fc4 PL	325	static void hclge_mbx_reset_vf_queue(struct hclge_vport *vport,
d3ea7fc4 PL	326	struct hclge_mbx_vf_to_pf_cmd *mbx_req)
63d7e66f SM	327	{
	328	u16 queue_id;
	329
	330	memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id));
	331
d3ea7fc4 PL	332	hclge_reset_vf_queue(vport, queue_id);
	333
	334	/* send response msg to VF after queue reset complete*/
	335	hclge_gen_resp_to_vf(vport, mbx_req, 0, NULL, 0);
63d7e66f SM	336	}
63d7e66f SM	337
0cdbdd3e SM	338	void hclge_mbx_handler(struct hclge_dev *hdev)
	339	{
	340	struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq;
	341	struct hclge_mbx_vf_to_pf_cmd *req;
	342	struct hclge_vport *vport;
	343	struct hclge_desc *desc;
6b910732	344	int ret, flag;
0cdbdd3e	345
6b910732	346	flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
0cdbdd3e	347	/* handle all the mailbox requests in the queue */
6b910732	348	while (hnae_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B)) {
0cdbdd3e SM	349	desc = &crq->desc[crq->next_to_use];
	350	req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data;
	351
	352	vport = &hdev->vport[req->mbx_src_vfid];
	353
	354	switch (req->msg[0]) {
63d7e66f SM	355	case HCLGE_MBX_MAP_RING_TO_VECTOR:
	356	ret = hclge_map_unmap_ring_to_vf_vector(vport, true,
	357	req);
	358	break;
	359	case HCLGE_MBX_UNMAP_RING_TO_VECTOR:
	360	ret = hclge_map_unmap_ring_to_vf_vector(vport, false,
	361	req);
	362	break;
0cdbdd3e SM	363	case HCLGE_MBX_SET_PROMISC_MODE:
	364	ret = hclge_set_vf_promisc_mode(vport, req);
	365	if (ret)
	366	dev_err(&hdev->pdev->dev,
	367	"PF fail(%d) to set VF promisc mode\n",
	368	ret);
	369	break;
	370	case HCLGE_MBX_SET_UNICAST:
5a955cd2	371	ret = hclge_set_vf_uc_mac_addr(vport, req, true);
0cdbdd3e SM	372	if (ret)
	373	dev_err(&hdev->pdev->dev,
	374	"PF fail(%d) to set VF UC MAC Addr\n",
	375	ret);
	376	break;
	377	case HCLGE_MBX_SET_MULTICAST:
	378	ret = hclge_set_vf_mc_mac_addr(vport, req, false);
	379	if (ret)
	380	dev_err(&hdev->pdev->dev,
	381	"PF fail(%d) to set VF MC MAC Addr\n",
	382	ret);
	383	break;
	384	case HCLGE_MBX_SET_VLAN:
	385	ret = hclge_set_vf_vlan_cfg(vport, req, false);
	386	if (ret)
	387	dev_err(&hdev->pdev->dev,
	388	"PF failed(%d) to config VF's VLAN\n",
	389	ret);
	390	break;
	391	case HCLGE_MBX_GET_QINFO:
	392	ret = hclge_get_vf_queue_info(vport, req, true);
	393	if (ret)
	394	dev_err(&hdev->pdev->dev,
	395	"PF failed(%d) to get Q info for VF\n",
	396	ret);
	397	break;
	398	case HCLGE_MBX_GET_TCINFO:
	399	ret = hclge_get_vf_tcinfo(vport, req, true);
	400	if (ret)
	401	dev_err(&hdev->pdev->dev,
	402	"PF failed(%d) to get TC info for VF\n",
	403	ret);
	404	break;
	405	case HCLGE_MBX_GET_LINK_STATUS:
	406	ret = hclge_get_link_info(vport, req);
	407	if (ret)
	408	dev_err(&hdev->pdev->dev,
	409	"PF fail(%d) to get link stat for VF\n",
	410	ret);
	411	break;
63d7e66f	412	case HCLGE_MBX_QUEUE_RESET:
d3ea7fc4	413	hclge_mbx_reset_vf_queue(vport, req);
63d7e66f	414	break;
0cdbdd3e SM	415	default:
	416	dev_err(&hdev->pdev->dev,
	417	"un-supported mailbox message, code = %d\n",
	418	req->msg[0]);
	419	break;
	420	}
eae226f2	421	crq->desc[crq->next_to_use].flag = 0;
0cdbdd3e	422	hclge_mbx_ring_ptr_move_crq(crq);
6b910732	423	flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
0cdbdd3e SM	424	}
	425
	426	/* Write back CMDQ_RQ header pointer, M7 need this pointer */
	427	hclge_write_dev(&hdev->hw, HCLGE_NIC_CRQ_HEAD_REG, crq->next_to_use);
	428	}