/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2014-2015 Hisilicon Limited.
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*/
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#ifndef __HNS_ENET_H
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#define __HNS_ENET_H
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#include <linux/netdevice.h>
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#include <linux/of_net.h>
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#include <linux/of_mdio.h>
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#include <linux/timer.h>
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#include <linux/workqueue.h>
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#include "hnae.h"
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#define HNS_DEBUG_OFFSET 6
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#define HNS_SRV_OFFSET 2
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enum hns_nic_state {
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NIC_STATE_TESTING = 0,
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NIC_STATE_RESETTING,
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NIC_STATE_REINITING,
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NIC_STATE_DOWN,
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NIC_STATE_DISABLED,
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NIC_STATE_REMOVING,
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NIC_STATE_SERVICE_INITED,
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NIC_STATE_SERVICE_SCHED,
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NIC_STATE2_RESET_REQUESTED,
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NIC_STATE_MAX
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};
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struct hns_nic_ring_data {
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struct hnae_ring *ring;
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struct napi_struct napi;
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cpumask_t mask; /* affinity mask */
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u32 queue_index;
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int (*poll_one)(struct hns_nic_ring_data *, int, void *);
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void (*ex_process)(struct hns_nic_ring_data *, struct sk_buff *);
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bool (*fini_process)(struct hns_nic_ring_data *);
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};
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/* compatible the difference between two versions */
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struct hns_nic_ops {
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void (*fill_desc)(struct hnae_ring *ring, void *priv,
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int size, dma_addr_t dma, int frag_end,
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int buf_num, enum hns_desc_type type, int mtu);
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int (*maybe_stop_tx)(struct sk_buff **out_skb,
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int *bnum, struct hnae_ring *ring);
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void (*get_rxd_bnum)(u32 bnum_flag, int *out_bnum);
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};
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struct hns_nic_priv {
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const struct fwnode_handle *fwnode;
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u32 enet_ver;
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u32 port_id;
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int phy_mode;
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int phy_led_val;
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struct net_device *netdev;
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struct device *dev;
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struct hnae_handle *ae_handle;
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struct hns_nic_ops ops;
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/* the cb for nic to manage the ring buffer, the first half of the
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* array is for tx_ring and vice versa for the second half
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*/
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struct hns_nic_ring_data *ring_data;
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/* The most recently read link state */
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int link;
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u64 tx_timeout_count;
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unsigned long state;
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struct timer_list service_timer;
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struct work_struct service_task;
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struct notifier_block notifier_block;
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};
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#define tx_ring_data(priv, idx) ((priv)->ring_data[idx])
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#define rx_ring_data(priv, idx) \
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((priv)->ring_data[(priv)->ae_handle->q_num + (idx)])
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void hns_ethtool_set_ops(struct net_device *ndev);
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void hns_nic_net_reset(struct net_device *ndev);
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void hns_nic_net_reinit(struct net_device *netdev);
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int hns_nic_init_phy(struct net_device *ndev, struct hnae_handle *h);
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netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev,
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struct sk_buff *skb,
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struct hns_nic_ring_data *ring_data);
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#endif /**__HNS_ENET_H */
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