[mirror_ubuntu-zesty-kernel.git] / drivers / net / ethernet / hisilicon / hns / hns_enet.h

/*
 * 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 *);
};

/* 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 device_node *ae_node;
	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;

	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);
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 */
Commit	Line	Data
b5996f11	1	/*
	2	* Copyright (c) 2014-2015 Hisilicon Limited.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
	8	*/
	9
	10	#ifndef __HNS_ENET_H
	11	#define __HNS_ENET_H
	12
	13	#include <linux/netdevice.h>
	14	#include <linux/of_net.h>
	15	#include <linux/of_mdio.h>
	16	#include <linux/timer.h>
	17	#include <linux/workqueue.h>
	18
	19	#include "hnae.h"
	20
	21	enum hns_nic_state {
	22	NIC_STATE_TESTING = 0,
	23	NIC_STATE_RESETTING,
	24	NIC_STATE_REINITING,
	25	NIC_STATE_DOWN,
	26	NIC_STATE_DISABLED,
	27	NIC_STATE_REMOVING,
	28	NIC_STATE_SERVICE_INITED,
	29	NIC_STATE_SERVICE_SCHED,
	30	NIC_STATE2_RESET_REQUESTED,
	31	NIC_STATE_MAX
	32	};
	33
	34	struct hns_nic_ring_data {
	35	struct hnae_ring *ring;
	36	struct napi_struct napi;
	37	int 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	void (fini_process)(struct hns_nic_ring_data );
	41	};
	42
13ac695e S	43	/* compatible the difference between two versions */
	44	struct 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	int (maybe_stop_tx)(struct sk_buff *out_skb,
	49	int bnum, struct hnae_ring ring);
	50	void (get_rxd_bnum)(u32 bnum_flag, int out_bnum);
	51	};
	52
b5996f11	53	struct hns_nic_priv {
48189d6a	54	const struct device_node *ae_node;
b5996f11	55	u32 enet_ver;
	56	u32 port_id;
	57	int phy_mode;
	58	int phy_led_val;
	59	struct phy_device *phy;
	60	struct net_device *netdev;
	61	struct device *dev;
	62	struct hnae_handle *ae_handle;
	63
13ac695e S	64	struct hns_nic_ops ops;
13ac695e S	65
b5996f11	66	/* the cb for nic to manage the ring buffer, the first half of the
	67	* array is for tx_ring and vice versa for the second half
	68	*/
	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
	88	void hns_ethtool_set_ops(struct net_device *ndev);
	89	void hns_nic_net_reset(struct net_device *ndev);
	90	void hns_nic_net_reinit(struct net_device *netdev);
	91	int hns_nic_init_phy(struct net_device ndev, struct hnae_handle h);
	92	int 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 /