// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) Intel Corporation
 * Author: Shao Guohua <guohua.shao@intel.com>
 */

#ifndef DATAPATH_INSTANCE_H
#define DATAPATH_INSTANCE_H

extern int dp_cap_num;
extern struct dp_hw_cap hw_cap_list[DP_MAX_HW_CAP];

#define DP_DEV_HASH_BIT_LENGTH 10
#define DP_DEV_HASH_SIZE (1 << DP_DEV_HASH_BIT_LENGTH)

#define DP_MOD_HASH_BIT_LENGTH 10
#define DP_MOD_HASH_SIZE (1 << DP_MOD_HASH_BIT_LENGTH)

#define NO_NEED_PMAC(flags) ((flags &                              \
			      (DP_F_FAST_WLAN | DP_F_FAST_DSL)) && \
			     !((flags) & (DP_TX_CAL_CHKSUM | DP_TX_DSL_FCS)))

extern struct hlist_head dp_dev_list[DP_DEV_HASH_SIZE];
u32 dp_dev_hash(void *dev, void *name);
struct dp_dev *dp_dev_lookup(struct hlist_head *head,
			     struct net_device *dev, char *subif_name,
			     u32 flag);

struct subif_basic {
	struct list_head list;
	int32_t subif : 15;
};

struct ctp_list {
	struct list_head list;
	struct subif_basic subif;
};

struct dp_mod {
	struct hlist_node hlist;
	struct module *mod;
	u16 ep;
	int inst;
};

struct dp_dev {
	struct hlist_node hlist;
	struct net_device *dev;
	char subif_name[IFNAMSIZ]; /*for ATM IPOA/PPPOA */
	int inst;
	int ep;
	int bp;
	int ctp;
	int fid;
	u32 count;
	struct list_head ctp_list;
	const struct net_device_ops *old_dev_ops;
	struct net_device_ops new_dev_ops;
	const struct ethtool_ops *old_ethtool_ops;
	struct ethtool_ops new_ethtool_ops;
#if IS_ENABLED(CONFIG_NET_SWITCHDEV)
	struct switchdev_ops *old_swdev_ops;
	struct switchdev_ops new_swdev_ops;
#endif
};

/*dp_inst_p: dp instance basic property */
int dp_get_inst_via_dev(struct net_device *dev,
			char *subif_name, u32 flag);
int dp_get_inst_via_module(struct module *owner, u16 ep, u32 flag);
struct dp_hw_cap *match_hw_cap(struct dp_inst_info *info, u32 flag);
int dp_inst_add_dev(struct net_device *dev, char *subif_name, int inst,
		    int ep, int bp, int ctp, u32 flag);
int dp_inst_del_dev(struct net_device *dev, char *subif_name, int inst,
		    int ep, u16 ctp, u32 flag);
int dp_inst_insert_mod(struct module *owner, u16 ep, u32 inst, u32 flag);
int dp_inst_del_mod(struct module *owner, u16 ep, u32 flag);

int proc_inst_dev_dump(struct seq_file *s, int pos);
int proc_inst_dev_start(void);
int proc_inst_mod_dump(struct seq_file *s, int pos);
int proc_inst_hal_dump(struct seq_file *s, int pos);
int proc_inst_dump(struct seq_file *s, int pos);

int proc_inst_mod_start(void);

#endif