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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Copyright (c) 2014-2015 Hisilicon Limited.4 */5 6#ifndef __HNS_ENET_H7#define __HNS_ENET_H8 9#include <linux/netdevice.h>10#include <linux/of_net.h>11#include <linux/of_mdio.h>12#include <linux/timer.h>13#include <linux/workqueue.h>14 15#include "hnae.h"16 17#define HNS_DEBUG_OFFSET 618#define HNS_SRV_OFFSET 219 20enum hns_nic_state {21 NIC_STATE_TESTING = 0,22 NIC_STATE_RESETTING,23 NIC_STATE_REINITING,24 NIC_STATE_DOWN,25 NIC_STATE_DISABLED,26 NIC_STATE_REMOVING,27 NIC_STATE_SERVICE_INITED,28 NIC_STATE_SERVICE_SCHED,29 NIC_STATE2_RESET_REQUESTED,30 NIC_STATE_MAX31};32 33struct hns_nic_ring_data {34 struct hnae_ring *ring;35 struct napi_struct napi;36 cpumask_t mask; /* affinity mask */37 u32 queue_index;38 int (*poll_one)(struct hns_nic_ring_data *, int, void *);39 void (*ex_process)(struct hns_nic_ring_data *, struct sk_buff *);40 bool (*fini_process)(struct hns_nic_ring_data *);41};42 43/* compatible the difference between two versions */44struct hns_nic_ops {45 void (*fill_desc)(struct hnae_ring *ring, void *priv,46 int size, dma_addr_t dma, int frag_end,47 int buf_num, enum hns_desc_type type, int mtu,48 bool is_gso);49 int (*maybe_stop_tx)(struct sk_buff **out_skb,50 int *bnum, struct hnae_ring *ring);51 void (*get_rxd_bnum)(u32 bnum_flag, int *out_bnum);52};53 54struct hns_nic_priv {55 const struct fwnode_handle *fwnode;56 u32 enet_ver;57 u32 port_id;58 int phy_mode;59 int phy_led_val;60 struct net_device *netdev;61 struct device *dev;62 struct hnae_handle *ae_handle;63 64 struct hns_nic_ops ops;65 66 /* the cb for nic to manage the ring buffer, the first half of the67 * array is for tx_ring and vice versa for the second half68 */69 struct hns_nic_ring_data *ring_data;70 71 /* The most recently read link state */72 int link;73 u64 tx_timeout_count;74 75 unsigned long state;76 77 struct timer_list service_timer;78 79 struct work_struct service_task;80 81 struct notifier_block notifier_block;82};83 84#define tx_ring_data(priv, idx) ((priv)->ring_data[idx])85#define rx_ring_data(priv, idx) \86 ((priv)->ring_data[(priv)->ae_handle->q_num + (idx)])87 88void hns_ethtool_set_ops(struct net_device *ndev);89void hns_nic_net_reset(struct net_device *ndev);90void hns_nic_net_reinit(struct net_device *netdev);91int hns_nic_init_phy(struct net_device *ndev, struct hnae_handle *h);92netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev,93 struct sk_buff *skb,94 struct hns_nic_ring_data *ring_data);95 96#endif /**__HNS_ENET_H */97