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