1 files changed, 1002 insertions, 0 deletions

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
new file mode 100644
index 000000000..bc3e406f0
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
@@ -0,0 +1,1002 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2014-2015 Hisilicon Limited.
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/netdevice.h>
+#include <linux/spinlock.h>
+
+#include "hnae.h"
+#include "hns_dsaf_mac.h"
+#include "hns_dsaf_main.h"
+#include "hns_dsaf_ppe.h"
+#include "hns_dsaf_rcb.h"
+
+static struct hns_mac_cb *hns_get_mac_cb(struct hnae_handle *handle)
+{
+	struct  hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
+
+	return vf_cb->mac_cb;
+}
+
+static struct dsaf_device *hns_ae_get_dsaf_dev(struct hnae_ae_dev *dev)
+{
+	return container_of(dev, struct dsaf_device, ae_dev);
+}
+
+static struct hns_ppe_cb *hns_get_ppe_cb(struct hnae_handle *handle)
+{
+	int ppe_index;
+	struct ppe_common_cb *ppe_comm;
+	struct  hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
+
+	ppe_comm = vf_cb->dsaf_dev->ppe_common[0];
+	ppe_index = vf_cb->port_index;
+
+	return &ppe_comm->ppe_cb[ppe_index];
+}
+
+static int hns_ae_get_q_num_per_vf(
+	struct dsaf_device *dsaf_dev, int port)
+{
+	return dsaf_dev->rcb_common[0]->max_q_per_vf;
+}
+
+static int hns_ae_get_vf_num_per_port(
+	struct dsaf_device *dsaf_dev, int port)
+{
+	return dsaf_dev->rcb_common[0]->max_vfn;
+}
+
+static struct ring_pair_cb *hns_ae_get_base_ring_pair(
+	struct dsaf_device *dsaf_dev, int port)
+{
+	struct rcb_common_cb *rcb_comm = dsaf_dev->rcb_common[0];
+	int q_num = rcb_comm->max_q_per_vf;
+	int vf_num = rcb_comm->max_vfn;
+
+	return &rcb_comm->ring_pair_cb[port * q_num * vf_num];
+}
+
+static struct ring_pair_cb *hns_ae_get_ring_pair(struct hnae_queue *q)
+{
+	return container_of(q, struct ring_pair_cb, q);
+}
+
+static struct hnae_handle *hns_ae_get_handle(struct hnae_ae_dev *dev,
+					     u32 port_id)
+{
+	int vfnum_per_port;
+	int qnum_per_vf;
+	int i;
+	struct dsaf_device *dsaf_dev;
+	struct hnae_handle *ae_handle;
+	struct ring_pair_cb *ring_pair_cb;
+	struct hnae_vf_cb *vf_cb;
+
+	dsaf_dev = hns_ae_get_dsaf_dev(dev);
+
+	ring_pair_cb = hns_ae_get_base_ring_pair(dsaf_dev, port_id);
+	vfnum_per_port = hns_ae_get_vf_num_per_port(dsaf_dev, port_id);
+	qnum_per_vf = hns_ae_get_q_num_per_vf(dsaf_dev, port_id);
+
+	vf_cb = kzalloc(struct_size(vf_cb, ae_handle.qs, qnum_per_vf),
+			GFP_KERNEL);
+	if (unlikely(!vf_cb)) {
+		dev_err(dsaf_dev->dev, "malloc vf_cb fail!\n");
+		ae_handle = ERR_PTR(-ENOMEM);
+		goto handle_err;
+	}
+	ae_handle = &vf_cb->ae_handle;
+	/* ae_handle Init  */
+	ae_handle->owner_dev = dsaf_dev->dev;
+	ae_handle->dev = dev;
+	ae_handle->q_num = qnum_per_vf;
+	ae_handle->coal_param = HNAE_LOWEST_LATENCY_COAL_PARAM;
+
+	/* find ring pair, and set vf id*/
+	for (ae_handle->vf_id = 0;
+		ae_handle->vf_id < vfnum_per_port; ae_handle->vf_id++) {
+		if (!ring_pair_cb->used_by_vf)
+			break;
+		ring_pair_cb += qnum_per_vf;
+	}
+	if (ae_handle->vf_id >= vfnum_per_port) {
+		dev_err(dsaf_dev->dev, "malloc queue fail!\n");
+		ae_handle = ERR_PTR(-EINVAL);
+		goto vf_id_err;
+	}
+
+	for (i = 0; i < qnum_per_vf; i++) {
+		ae_handle->qs[i] = &ring_pair_cb->q;
+		ae_handle->qs[i]->rx_ring.q = ae_handle->qs[i];
+		ae_handle->qs[i]->tx_ring.q = ae_handle->qs[i];
+
+		ring_pair_cb->used_by_vf = 1;
+		ring_pair_cb++;
+	}
+
+	vf_cb->dsaf_dev = dsaf_dev;
+	vf_cb->port_index = port_id;
+	vf_cb->mac_cb = dsaf_dev->mac_cb[port_id];
+
+	ae_handle->phy_if = vf_cb->mac_cb->phy_if;
+	ae_handle->phy_dev = vf_cb->mac_cb->phy_dev;
+	ae_handle->if_support = vf_cb->mac_cb->if_support;
+	ae_handle->port_type = vf_cb->mac_cb->mac_type;
+	ae_handle->media_type = vf_cb->mac_cb->media_type;
+	ae_handle->dport_id = port_id;
+
+	return ae_handle;
+vf_id_err:
+	kfree(vf_cb);
+handle_err:
+	return ae_handle;
+}
+
+static void hns_ae_put_handle(struct hnae_handle *handle)
+{
+	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
+	int i;
+
+	for (i = 0; i < handle->q_num; i++)
+		hns_ae_get_ring_pair(handle->qs[i])->used_by_vf = 0;
+
+	kfree(vf_cb);
+}
+
+static int hns_ae_wait_flow_down(struct hnae_handle *handle)
+{
+	struct dsaf_device *dsaf_dev;
+	struct hns_ppe_cb *ppe_cb;
+	struct hnae_vf_cb *vf_cb;
+	int ret;
+	int i;
+
+	for (i = 0; i < handle->q_num; i++) {
+		ret = hns_rcb_wait_tx_ring_clean(handle->qs[i]);
+		if (ret)
+			return ret;
+	}
+
+	ppe_cb = hns_get_ppe_cb(handle);
+	ret = hns_ppe_wait_tx_fifo_clean(ppe_cb);
+	if (ret)
+		return ret;
+
+	dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
+	if (!dsaf_dev)
+		return -EINVAL;
+	ret = hns_dsaf_wait_pkt_clean(dsaf_dev, handle->dport_id);
+	if (ret)
+		return ret;
+
+	vf_cb = hns_ae_get_vf_cb(handle);
+	ret = hns_mac_wait_fifo_clean(vf_cb->mac_cb);
+	if (ret)
+		return ret;
+
+	mdelay(10);
+	return 0;
+}
+
+static void hns_ae_ring_enable_all(struct hnae_handle *handle, int val)
+{
+	int q_num = handle->q_num;
+	int i;
+
+	for (i = 0; i < q_num; i++)
+		hns_rcb_ring_enable_hw(handle->qs[i], val);
+}
+
+static void hns_ae_init_queue(struct hnae_queue *q)
+{
+	struct ring_pair_cb *ring =
+		container_of(q, struct ring_pair_cb, q);
+
+	hns_rcb_init_hw(ring);
+}
+
+static void hns_ae_fini_queue(struct hnae_queue *q)
+{
+	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(q->handle);
+
+	if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE)
+		hns_rcb_reset_ring_hw(q);
+}
+
+static int hns_ae_set_mac_address(struct hnae_handle *handle, const void *p)
+{
+	int ret;
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	if (!p || !is_valid_ether_addr((const u8 *)p)) {
+		dev_err(handle->owner_dev, "is not valid ether addr !\n");
+		return -EADDRNOTAVAIL;
+	}
+
+	ret = hns_mac_change_vf_addr(mac_cb, handle->vf_id, p);
+	if (ret != 0) {
+		dev_err(handle->owner_dev,
+			"set_mac_address fail, ret=%d!\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int hns_ae_add_uc_address(struct hnae_handle *handle,
+				 const unsigned char *addr)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	if (mac_cb->mac_type != HNAE_PORT_SERVICE)
+		return -ENOSPC;
+
+	return hns_mac_add_uc_addr(mac_cb, handle->vf_id, addr);
+}
+
+static int hns_ae_rm_uc_address(struct hnae_handle *handle,
+				const unsigned char *addr)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	if (mac_cb->mac_type != HNAE_PORT_SERVICE)
+		return -ENOSPC;
+
+	return hns_mac_rm_uc_addr(mac_cb, handle->vf_id, addr);
+}
+
+static int hns_ae_set_multicast_one(struct hnae_handle *handle, void *addr)
+{
+	int ret;
+	char *mac_addr = (char *)addr;
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+	u8 port_num;
+
+	assert(mac_cb);
+
+	if (mac_cb->mac_type != HNAE_PORT_SERVICE)
+		return 0;
+
+	ret = hns_mac_set_multi(mac_cb, mac_cb->mac_id, mac_addr, true);
+	if (ret) {
+		dev_err(handle->owner_dev,
+			"mac add mul_mac:%pM port%d  fail, ret = %#x!\n",
+			mac_addr, mac_cb->mac_id, ret);
+		return ret;
+	}
+
+	ret = hns_mac_get_inner_port_num(mac_cb, handle->vf_id, &port_num);
+	if (ret)
+		return ret;
+
+	ret = hns_mac_set_multi(mac_cb, port_num, mac_addr, true);
+	if (ret)
+		dev_err(handle->owner_dev,
+			"mac add mul_mac:%pM port%d  fail, ret = %#x!\n",
+			mac_addr, DSAF_BASE_INNER_PORT_NUM, ret);
+
+	return ret;
+}
+
+static int hns_ae_clr_multicast(struct hnae_handle *handle)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	if (mac_cb->mac_type != HNAE_PORT_SERVICE)
+		return 0;
+
+	return hns_mac_clr_multicast(mac_cb, handle->vf_id);
+}
+
+static int hns_ae_set_mtu(struct hnae_handle *handle, int new_mtu)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+	struct hnae_queue *q;
+	u32 rx_buf_size;
+	int i, ret;
+
+	/* when buf_size is 2048, max mtu is 6K for rx ring max bd num is 3. */
+	if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) {
+		if (new_mtu <= BD_SIZE_2048_MAX_MTU)
+			rx_buf_size = 2048;
+		else
+			rx_buf_size = 4096;
+	} else {
+		rx_buf_size = mac_cb->dsaf_dev->buf_size;
+	}
+
+	ret = hns_mac_set_mtu(mac_cb, new_mtu, rx_buf_size);
+
+	if (!ret) {
+		/* reinit ring buf_size */
+		for (i = 0; i < handle->q_num; i++) {
+			q = handle->qs[i];
+			q->rx_ring.buf_size = rx_buf_size;
+			hns_rcb_set_rx_ring_bs(q, rx_buf_size);
+		}
+	}
+
+	return ret;
+}
+
+static void hns_ae_set_tso_stats(struct hnae_handle *handle, int enable)
+{
+	struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
+
+	hns_ppe_set_tso_enable(ppe_cb, enable);
+}
+
+static int hns_ae_start(struct hnae_handle *handle)
+{
+	int ret;
+	int k;
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	ret = hns_mac_vm_config_bc_en(mac_cb, 0, true);
+	if (ret)
+		return ret;
+
+	for (k = 0; k < handle->q_num; k++) {
+		if (AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver))
+			hns_rcb_int_clr_hw(handle->qs[k],
+					   RCB_INT_FLAG_TX | RCB_INT_FLAG_RX);
+		else
+			hns_rcbv2_int_clr_hw(handle->qs[k],
+					     RCB_INT_FLAG_TX | RCB_INT_FLAG_RX);
+	}
+	hns_ae_ring_enable_all(handle, 1);
+	msleep(100);
+
+	hns_mac_start(mac_cb);
+
+	return 0;
+}
+
+static void hns_ae_stop(struct hnae_handle *handle)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	/* just clean tx fbd, neednot rx fbd*/
+	hns_rcb_wait_fbd_clean(handle->qs, handle->q_num, RCB_INT_FLAG_TX);
+
+	msleep(20);
+
+	hns_mac_stop(mac_cb);
+
+	usleep_range(10000, 20000);
+
+	hns_ae_ring_enable_all(handle, 0);
+
+	/* clean rx fbd. */
+	hns_rcb_wait_fbd_clean(handle->qs, handle->q_num, RCB_INT_FLAG_RX);
+
+	(void)hns_mac_vm_config_bc_en(mac_cb, 0, false);
+}
+
+static void hns_ae_reset(struct hnae_handle *handle)
+{
+	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
+
+	if (vf_cb->mac_cb->mac_type == HNAE_PORT_DEBUG) {
+		hns_mac_reset(vf_cb->mac_cb);
+		hns_ppe_reset_common(vf_cb->dsaf_dev, 0);
+	}
+}
+
+static void hns_ae_toggle_ring_irq(struct hnae_ring *ring, u32 mask)
+{
+	u32 flag;
+
+	if (is_tx_ring(ring))
+		flag = RCB_INT_FLAG_TX;
+	else
+		flag = RCB_INT_FLAG_RX;
+
+	hns_rcb_int_ctrl_hw(ring->q, flag, mask);
+}
+
+static void hns_aev2_toggle_ring_irq(struct hnae_ring *ring, u32 mask)
+{
+	u32 flag;
+
+	if (is_tx_ring(ring))
+		flag = RCB_INT_FLAG_TX;
+	else
+		flag = RCB_INT_FLAG_RX;
+
+	hns_rcbv2_int_ctrl_hw(ring->q, flag, mask);
+}
+
+static int hns_ae_get_link_status(struct hnae_handle *handle)
+{
+	u32 link_status;
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	hns_mac_get_link_status(mac_cb, &link_status);
+
+	return !!link_status;
+}
+
+static int hns_ae_get_mac_info(struct hnae_handle *handle,
+			       u8 *auto_neg, u16 *speed, u8 *duplex)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	return hns_mac_get_port_info(mac_cb, auto_neg, speed, duplex);
+}
+
+static bool hns_ae_need_adjust_link(struct hnae_handle *handle, int speed,
+				    int duplex)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	return hns_mac_need_adjust_link(mac_cb, speed, duplex);
+}
+
+static void hns_ae_adjust_link(struct hnae_handle *handle, int speed,
+			       int duplex)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	switch (mac_cb->dsaf_dev->dsaf_ver) {
+	case AE_VERSION_1:
+		hns_mac_adjust_link(mac_cb, speed, duplex);
+		break;
+
+	case AE_VERSION_2:
+		/* chip need to clear all pkt inside */
+		hns_mac_disable(mac_cb, MAC_COMM_MODE_RX);
+		if (hns_ae_wait_flow_down(handle)) {
+			hns_mac_enable(mac_cb, MAC_COMM_MODE_RX);
+			break;
+		}
+
+		hns_mac_adjust_link(mac_cb, speed, duplex);
+		hns_mac_enable(mac_cb, MAC_COMM_MODE_RX);
+		break;
+
+	default:
+		break;
+	}
+}
+
+static void hns_ae_get_ring_bdnum_limit(struct hnae_queue *queue,
+					u32 *uplimit)
+{
+	*uplimit = HNS_RCB_RING_MAX_PENDING_BD;
+}
+
+static void hns_ae_get_pauseparam(struct hnae_handle *handle,
+				  u32 *auto_neg, u32 *rx_en, u32 *tx_en)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+	struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
+
+	hns_mac_get_autoneg(mac_cb, auto_neg);
+
+	hns_mac_get_pauseparam(mac_cb, rx_en, tx_en);
+
+	/* Service port's pause feature is provided by DSAF, not mac */
+	if (handle->port_type == HNAE_PORT_SERVICE)
+		hns_dsaf_get_rx_mac_pause_en(dsaf_dev, mac_cb->mac_id, rx_en);
+}
+
+static void hns_ae_set_promisc_mode(struct hnae_handle *handle, u32 en)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+
+	hns_dsaf_set_promisc_mode(hns_ae_get_dsaf_dev(handle->dev), en);
+	hns_mac_set_promisc(mac_cb, (u8)!!en);
+}
+
+static int hns_ae_set_pauseparam(struct hnae_handle *handle,
+				 u32 autoneg, u32 rx_en, u32 tx_en)
+{
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+	struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
+	int ret;
+
+	ret = hns_mac_set_autoneg(mac_cb, autoneg);
+	if (ret)
+		return ret;
+
+	/* Service port's pause feature is provided by DSAF, not mac */
+	if (handle->port_type == HNAE_PORT_SERVICE) {
+		ret = hns_dsaf_set_rx_mac_pause_en(dsaf_dev,
+						   mac_cb->mac_id, rx_en);
+		if (ret)
+			return ret;
+		rx_en = 0;
+	}
+	return hns_mac_set_pauseparam(mac_cb, rx_en, tx_en);
+}
+
+static void hns_ae_get_coalesce_usecs(struct hnae_handle *handle,
+				      u32 *tx_usecs, u32 *rx_usecs)
+{
+	struct ring_pair_cb *ring_pair =
+		container_of(handle->qs[0], struct ring_pair_cb, q);
+
+	*tx_usecs = hns_rcb_get_coalesce_usecs(ring_pair->rcb_common,
+					       ring_pair->port_id_in_comm);
+	*rx_usecs = hns_rcb_get_coalesce_usecs(ring_pair->rcb_common,
+					       ring_pair->port_id_in_comm);
+}
+
+static void hns_ae_get_max_coalesced_frames(struct hnae_handle *handle,
+					    u32 *tx_frames, u32 *rx_frames)
+{
+	struct ring_pair_cb *ring_pair =
+		container_of(handle->qs[0], struct ring_pair_cb, q);
+	struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
+
+	if (AE_IS_VER1(dsaf_dev->dsaf_ver) ||
+	    handle->port_type == HNAE_PORT_DEBUG)
+		*tx_frames = hns_rcb_get_rx_coalesced_frames(
+			ring_pair->rcb_common, ring_pair->port_id_in_comm);
+	else
+		*tx_frames = hns_rcb_get_tx_coalesced_frames(
+			ring_pair->rcb_common, ring_pair->port_id_in_comm);
+	*rx_frames = hns_rcb_get_rx_coalesced_frames(ring_pair->rcb_common,
+						  ring_pair->port_id_in_comm);
+}
+
+static int hns_ae_set_coalesce_usecs(struct hnae_handle *handle,
+				     u32 timeout)
+{
+	struct ring_pair_cb *ring_pair =
+		container_of(handle->qs[0], struct ring_pair_cb, q);
+
+	return hns_rcb_set_coalesce_usecs(
+		ring_pair->rcb_common, ring_pair->port_id_in_comm, timeout);
+}
+
+static int hns_ae_set_coalesce_frames(struct hnae_handle *handle,
+				      u32 tx_frames, u32 rx_frames)
+{
+	int ret;
+	struct ring_pair_cb *ring_pair =
+		container_of(handle->qs[0], struct ring_pair_cb, q);
+	struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
+
+	if (AE_IS_VER1(dsaf_dev->dsaf_ver) ||
+	    handle->port_type == HNAE_PORT_DEBUG) {
+		if (tx_frames != rx_frames)
+			return -EINVAL;
+		return hns_rcb_set_rx_coalesced_frames(
+			ring_pair->rcb_common,
+			ring_pair->port_id_in_comm, rx_frames);
+	} else {
+		if (tx_frames != 1)
+			return -EINVAL;
+		ret = hns_rcb_set_tx_coalesced_frames(
+			ring_pair->rcb_common,
+			ring_pair->port_id_in_comm, tx_frames);
+		if (ret)
+			return ret;
+
+		return hns_rcb_set_rx_coalesced_frames(
+			ring_pair->rcb_common,
+			ring_pair->port_id_in_comm, rx_frames);
+	}
+}
+
+static void hns_ae_get_coalesce_range(struct hnae_handle *handle,
+				      u32 *tx_frames_low, u32 *rx_frames_low,
+				      u32 *tx_frames_high, u32 *rx_frames_high,
+				      u32 *tx_usecs_low, u32 *rx_usecs_low,
+				      u32 *tx_usecs_high, u32 *rx_usecs_high)
+{
+	struct dsaf_device *dsaf_dev;
+
+	assert(handle);
+
+	dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
+
+	*tx_frames_low  = HNS_RCB_TX_FRAMES_LOW;
+	*rx_frames_low  = HNS_RCB_RX_FRAMES_LOW;
+
+	if (AE_IS_VER1(dsaf_dev->dsaf_ver) ||
+	    handle->port_type == HNAE_PORT_DEBUG)
+		*tx_frames_high =
+			(dsaf_dev->desc_num - 1 > HNS_RCB_TX_FRAMES_HIGH) ?
+			HNS_RCB_TX_FRAMES_HIGH : dsaf_dev->desc_num - 1;
+	else
+		*tx_frames_high = 1;
+
+	*rx_frames_high = (dsaf_dev->desc_num - 1 > HNS_RCB_RX_FRAMES_HIGH) ?
+		HNS_RCB_RX_FRAMES_HIGH : dsaf_dev->desc_num - 1;
+	*tx_usecs_low   = HNS_RCB_TX_USECS_LOW;
+	*rx_usecs_low   = HNS_RCB_RX_USECS_LOW;
+	*tx_usecs_high  = HNS_RCB_TX_USECS_HIGH;
+	*rx_usecs_high  = HNS_RCB_RX_USECS_HIGH;
+}
+
+static void hns_ae_update_stats(struct hnae_handle *handle,
+				struct net_device_stats *net_stats)
+{
+	int port;
+	int idx;
+	struct dsaf_device *dsaf_dev;
+	struct hns_mac_cb *mac_cb;
+	struct hns_ppe_cb *ppe_cb;
+	struct hnae_queue *queue;
+	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
+	u64 tx_bytes = 0, rx_bytes = 0, tx_packets = 0, rx_packets = 0;
+	u64 rx_errors = 0, tx_errors = 0, tx_dropped = 0;
+	u64 rx_missed_errors;
+
+	dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
+	if (!dsaf_dev)
+		return;
+	port = vf_cb->port_index;
+	ppe_cb = hns_get_ppe_cb(handle);
+	mac_cb = hns_get_mac_cb(handle);
+
+	for (idx = 0; idx < handle->q_num; idx++) {
+		queue = handle->qs[idx];
+		hns_rcb_update_stats(queue);
+
+		tx_bytes += queue->tx_ring.stats.tx_bytes;
+		tx_packets += queue->tx_ring.stats.tx_pkts;
+		rx_bytes += queue->rx_ring.stats.rx_bytes;
+		rx_packets += queue->rx_ring.stats.rx_pkts;
+
+		rx_errors += queue->rx_ring.stats.err_pkt_len
+				+ queue->rx_ring.stats.l2_err
+				+ queue->rx_ring.stats.l3l4_csum_err;
+	}
+
+	hns_ppe_update_stats(ppe_cb);
+	rx_missed_errors = ppe_cb->hw_stats.rx_drop_no_buf;
+	tx_errors += ppe_cb->hw_stats.tx_err_checksum
+		+ ppe_cb->hw_stats.tx_err_fifo_empty;
+
+	if (mac_cb->mac_type == HNAE_PORT_SERVICE) {
+		hns_dsaf_update_stats(dsaf_dev, port);
+		/* for port upline direction, i.e., rx. */
+		rx_missed_errors += dsaf_dev->hw_stats[port].bp_drop;
+		rx_missed_errors += dsaf_dev->hw_stats[port].pad_drop;
+		rx_missed_errors += dsaf_dev->hw_stats[port].crc_false;
+
+		/* for port downline direction, i.e., tx. */
+		port = port + DSAF_PPE_INODE_BASE;
+		hns_dsaf_update_stats(dsaf_dev, port);
+		tx_dropped += dsaf_dev->hw_stats[port].bp_drop;
+		tx_dropped += dsaf_dev->hw_stats[port].pad_drop;
+		tx_dropped += dsaf_dev->hw_stats[port].crc_false;
+		tx_dropped += dsaf_dev->hw_stats[port].rslt_drop;
+		tx_dropped += dsaf_dev->hw_stats[port].vlan_drop;
+		tx_dropped += dsaf_dev->hw_stats[port].stp_drop;
+	}
+
+	hns_mac_update_stats(mac_cb);
+	rx_errors += mac_cb->hw_stats.rx_fifo_overrun_err;
+
+	tx_errors += mac_cb->hw_stats.tx_bad_pkts
+		+ mac_cb->hw_stats.tx_fragment_err
+		+ mac_cb->hw_stats.tx_jabber_err
+		+ mac_cb->hw_stats.tx_underrun_err
+		+ mac_cb->hw_stats.tx_crc_err;
+
+	net_stats->tx_bytes = tx_bytes;
+	net_stats->tx_packets = tx_packets;
+	net_stats->rx_bytes = rx_bytes;
+	net_stats->rx_dropped = 0;
+	net_stats->rx_packets = rx_packets;
+	net_stats->rx_errors = rx_errors;
+	net_stats->tx_errors = tx_errors;
+	net_stats->tx_dropped = tx_dropped;
+	net_stats->rx_missed_errors = rx_missed_errors;
+	net_stats->rx_crc_errors = mac_cb->hw_stats.rx_fcs_err;
+	net_stats->rx_frame_errors = mac_cb->hw_stats.rx_align_err;
+	net_stats->rx_fifo_errors = mac_cb->hw_stats.rx_fifo_overrun_err;
+	net_stats->rx_length_errors = mac_cb->hw_stats.rx_len_err;
+	net_stats->multicast = mac_cb->hw_stats.rx_mc_pkts;
+}
+
+static void hns_ae_get_stats(struct hnae_handle *handle, u64 *data)
+{
+	int idx;
+	struct hns_mac_cb *mac_cb;
+	struct hns_ppe_cb *ppe_cb;
+	u64 *p = data;
+	struct  hnae_vf_cb *vf_cb;
+
+	if (!handle || !data) {
+		pr_err("hns_ae_get_stats NULL handle or data pointer!\n");
+		return;
+	}
+
+	vf_cb = hns_ae_get_vf_cb(handle);
+	mac_cb = hns_get_mac_cb(handle);
+	ppe_cb = hns_get_ppe_cb(handle);
+
+	for (idx = 0; idx < handle->q_num; idx++) {
+		hns_rcb_get_stats(handle->qs[idx], p);
+		p += hns_rcb_get_ring_sset_count((int)ETH_SS_STATS);
+	}
+
+	hns_ppe_get_stats(ppe_cb, p);
+	p += hns_ppe_get_sset_count((int)ETH_SS_STATS);
+
+	hns_mac_get_stats(mac_cb, p);
+	p += hns_mac_get_sset_count(mac_cb, (int)ETH_SS_STATS);
+
+	if (mac_cb->mac_type == HNAE_PORT_SERVICE)
+		hns_dsaf_get_stats(vf_cb->dsaf_dev, p, vf_cb->port_index);
+}
+
+static void hns_ae_get_strings(struct hnae_handle *handle,
+			       u32 stringset, u8 *data)
+{
+	int port;
+	int idx;
+	struct hns_mac_cb *mac_cb;
+	struct hns_ppe_cb *ppe_cb;
+	struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
+	u8 *p = data;
+	struct	hnae_vf_cb *vf_cb;
+
+	assert(handle);
+
+	vf_cb = hns_ae_get_vf_cb(handle);
+	port = vf_cb->port_index;
+	mac_cb = hns_get_mac_cb(handle);
+	ppe_cb = hns_get_ppe_cb(handle);
+
+	for (idx = 0; idx < handle->q_num; idx++) {
+		hns_rcb_get_strings(stringset, p, idx);
+		p += ETH_GSTRING_LEN * hns_rcb_get_ring_sset_count(stringset);
+	}
+
+	hns_ppe_get_strings(ppe_cb, stringset, p);
+	p += ETH_GSTRING_LEN * hns_ppe_get_sset_count(stringset);
+
+	hns_mac_get_strings(mac_cb, stringset, p);
+	p += ETH_GSTRING_LEN * hns_mac_get_sset_count(mac_cb, stringset);
+
+	if (mac_cb->mac_type == HNAE_PORT_SERVICE)
+		hns_dsaf_get_strings(stringset, p, port, dsaf_dev);
+}
+
+static int hns_ae_get_sset_count(struct hnae_handle *handle, int stringset)
+{
+	u32 sset_count = 0;
+	struct hns_mac_cb *mac_cb;
+	struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
+
+	assert(handle);
+
+	mac_cb = hns_get_mac_cb(handle);
+
+	sset_count += hns_rcb_get_ring_sset_count(stringset) * handle->q_num;
+	sset_count += hns_ppe_get_sset_count(stringset);
+	sset_count += hns_mac_get_sset_count(mac_cb, stringset);
+
+	if (mac_cb->mac_type == HNAE_PORT_SERVICE)
+		sset_count += hns_dsaf_get_sset_count(dsaf_dev, stringset);
+
+	return sset_count;
+}
+
+static int hns_ae_config_loopback(struct hnae_handle *handle,
+				  enum hnae_loop loop, int en)
+{
+	int ret;
+	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
+	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
+	struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
+
+	switch (loop) {
+	case MAC_INTERNALLOOP_PHY:
+		ret = 0;
+		break;
+	case MAC_INTERNALLOOP_SERDES:
+		ret = dsaf_dev->misc_op->cfg_serdes_loopback(vf_cb->mac_cb,
+							     !!en);
+		break;
+	case MAC_INTERNALLOOP_MAC:
+		ret = hns_mac_config_mac_loopback(vf_cb->mac_cb, loop, en);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static void hns_ae_update_led_status(struct hnae_handle *handle)
+{
+	struct hns_mac_cb *mac_cb;
+
+	assert(handle);
+	mac_cb = hns_get_mac_cb(handle);
+	if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER)
+		return;
+
+	hns_set_led_opt(mac_cb);
+}
+
+static int hns_ae_cpld_set_led_id(struct hnae_handle *handle,
+				  enum hnae_led_state status)
+{
+	struct hns_mac_cb *mac_cb;
+
+	assert(handle);
+
+	mac_cb = hns_get_mac_cb(handle);
+
+	return hns_cpld_led_set_id(mac_cb, status);
+}
+
+static void hns_ae_get_regs(struct hnae_handle *handle, void *data)
+{
+	u32 *p = data;
+	int i;
+	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
+	struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
+
+	hns_ppe_get_regs(ppe_cb, p);
+	p += hns_ppe_get_regs_count();
+
+	hns_rcb_get_common_regs(vf_cb->dsaf_dev->rcb_common[0], p);
+	p += hns_rcb_get_common_regs_count();
+
+	for (i = 0; i < handle->q_num; i++) {
+		hns_rcb_get_ring_regs(handle->qs[i], p);
+		p += hns_rcb_get_ring_regs_count();
+	}
+
+	hns_mac_get_regs(vf_cb->mac_cb, p);
+	p += hns_mac_get_regs_count(vf_cb->mac_cb);
+
+	if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE)
+		hns_dsaf_get_regs(vf_cb->dsaf_dev, vf_cb->port_index, p);
+}
+
+static int hns_ae_get_regs_len(struct hnae_handle *handle)
+{
+	u32 total_num;
+	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
+
+	total_num = hns_ppe_get_regs_count();
+	total_num += hns_rcb_get_common_regs_count();
+	total_num += hns_rcb_get_ring_regs_count() * handle->q_num;
+	total_num += hns_mac_get_regs_count(vf_cb->mac_cb);
+
+	if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE)
+		total_num += hns_dsaf_get_regs_count();
+
+	return total_num;
+}
+
+static u32 hns_ae_get_rss_key_size(struct hnae_handle *handle)
+{
+	return HNS_PPEV2_RSS_KEY_SIZE;
+}
+
+static u32 hns_ae_get_rss_indir_size(struct hnae_handle *handle)
+{
+	return HNS_PPEV2_RSS_IND_TBL_SIZE;
+}
+
+static int hns_ae_get_rss(struct hnae_handle *handle, u32 *indir, u8 *key,
+			  u8 *hfunc)
+{
+	struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
+
+	/* currently we support only one type of hash function i.e. Toep hash */
+	if (hfunc)
+		*hfunc = ETH_RSS_HASH_TOP;
+
+	/* get the RSS Key required by the user */
+	if (key)
+		memcpy(key, ppe_cb->rss_key, HNS_PPEV2_RSS_KEY_SIZE);
+
+	/* update the current hash->queue mappings from the shadow RSS table */
+	if (indir)
+		memcpy(indir, ppe_cb->rss_indir_table,
+		       HNS_PPEV2_RSS_IND_TBL_SIZE  * sizeof(*indir));
+
+	return 0;
+}
+
+static int hns_ae_set_rss(struct hnae_handle *handle, const u32 *indir,
+			  const u8 *key, const u8 hfunc)
+{
+	struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
+
+	/* set the RSS Hash Key if specififed by the user */
+	if (key) {
+		memcpy(ppe_cb->rss_key, key, HNS_PPEV2_RSS_KEY_SIZE);
+		hns_ppe_set_rss_key(ppe_cb, ppe_cb->rss_key);
+	}
+
+	if (indir) {
+		/* update the shadow RSS table with user specified qids */
+		memcpy(ppe_cb->rss_indir_table, indir,
+		       HNS_PPEV2_RSS_IND_TBL_SIZE  * sizeof(*indir));
+
+		/* now update the hardware */
+		hns_ppe_set_indir_table(ppe_cb, ppe_cb->rss_indir_table);
+	}
+
+	return 0;
+}
+
+static struct hnae_ae_ops hns_dsaf_ops = {
+	.get_handle = hns_ae_get_handle,
+	.put_handle = hns_ae_put_handle,
+	.init_queue = hns_ae_init_queue,
+	.fini_queue = hns_ae_fini_queue,
+	.start = hns_ae_start,
+	.stop = hns_ae_stop,
+	.reset = hns_ae_reset,
+	.toggle_ring_irq = hns_ae_toggle_ring_irq,
+	.get_status = hns_ae_get_link_status,
+	.get_info = hns_ae_get_mac_info,
+	.adjust_link = hns_ae_adjust_link,
+	.need_adjust_link = hns_ae_need_adjust_link,
+	.set_loopback = hns_ae_config_loopback,
+	.get_ring_bdnum_limit = hns_ae_get_ring_bdnum_limit,
+	.get_pauseparam = hns_ae_get_pauseparam,
+	.set_pauseparam = hns_ae_set_pauseparam,
+	.get_coalesce_usecs = hns_ae_get_coalesce_usecs,
+	.get_max_coalesced_frames = hns_ae_get_max_coalesced_frames,
+	.set_coalesce_usecs = hns_ae_set_coalesce_usecs,
+	.set_coalesce_frames = hns_ae_set_coalesce_frames,
+	.get_coalesce_range = hns_ae_get_coalesce_range,
+	.set_promisc_mode = hns_ae_set_promisc_mode,
+	.set_mac_addr = hns_ae_set_mac_address,
+	.add_uc_addr = hns_ae_add_uc_address,
+	.rm_uc_addr = hns_ae_rm_uc_address,
+	.set_mc_addr = hns_ae_set_multicast_one,
+	.clr_mc_addr = hns_ae_clr_multicast,
+	.set_mtu = hns_ae_set_mtu,
+	.update_stats = hns_ae_update_stats,
+	.set_tso_stats = hns_ae_set_tso_stats,
+	.get_stats = hns_ae_get_stats,
+	.get_strings = hns_ae_get_strings,
+	.get_sset_count = hns_ae_get_sset_count,
+	.update_led_status = hns_ae_update_led_status,
+	.set_led_id = hns_ae_cpld_set_led_id,
+	.get_regs = hns_ae_get_regs,
+	.get_regs_len = hns_ae_get_regs_len,
+	.get_rss_key_size = hns_ae_get_rss_key_size,
+	.get_rss_indir_size = hns_ae_get_rss_indir_size,
+	.get_rss = hns_ae_get_rss,
+	.set_rss = hns_ae_set_rss
+};
+
+int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev)
+{
+	struct hnae_ae_dev *ae_dev = &dsaf_dev->ae_dev;
+	static atomic_t id = ATOMIC_INIT(-1);
+
+	switch (dsaf_dev->dsaf_ver) {
+	case AE_VERSION_1:
+		hns_dsaf_ops.toggle_ring_irq = hns_ae_toggle_ring_irq;
+		break;
+	case AE_VERSION_2:
+		hns_dsaf_ops.toggle_ring_irq = hns_aev2_toggle_ring_irq;
+		break;
+	default:
+		break;
+	}
+
+	snprintf(ae_dev->name, AE_NAME_SIZE, "%s%d", DSAF_DEVICE_NAME,
+		 (int)atomic_inc_return(&id));
+	ae_dev->ops = &hns_dsaf_ops;
+	ae_dev->dev = dsaf_dev->dev;
+
+	return hnae_ae_register(ae_dev, THIS_MODULE);
+}
+
+void hns_dsaf_ae_uninit(struct dsaf_device *dsaf_dev)
+{
+	hnae_ae_unregister(&dsaf_dev->ae_dev);
+}