net: add Hisilicon Network Subsystem basic ethernet support

	  acceleration engine support. The engine is used in Hisilicon hip05,

	  Hi1610 and further ICT SoC

config HNS_ENET

	tristate "Hisilicon HNS Ethernet Device Support"

	select PHYLIB

	select HNS

	---help---

	  This selects the general ethernet driver for HNS.  This module make

	  use of any HNS AE driver, such as HNS_DSAF

endif # NET_VENDOR_HISILICON

obj-$(CONFIG_HNS_DSAF) += hns_dsaf.o

hns_dsaf-objs = hns_ae_adapt.o hns_dsaf_gmac.o hns_dsaf_mac.o hns_dsaf_misc.o \

	hns_dsaf_main.o hns_dsaf_ppe.o hns_dsaf_rcb.o hns_dsaf_xgmac.o

obj-$(CONFIG_HNS_ENET) += hns_enet_drv.o

hns_enet_drv-objs = hns_enet.o hns_ethtool.o

/*

 * 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"

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 *);

};

struct hns_nic_priv {

	const char *ae_name;

	u32 enet_ver;

	u32 port_id;

	int phy_mode;

	int phy_led_val;

	struct phy_device *phy;

	struct net_device *netdev;

	struct device *dev;

	struct hnae_handle *ae_handle;

	/* 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);

int hns_nic_net_xmit_hw(struct net_device *ndev,

			struct sk_buff *skb,

			struct hns_nic_ring_data *ring_data);

#endif	/**__HNS_ENET_H */