/* SPDX-License-Identifier: GPL-2.0 */
/*
 * DPAA2 Ethernet Switch declarations
 *
 * Copyright 2014-2016 Freescale Semiconductor Inc.
 * Copyright 2017-2018 NXP
 *
 */

#ifndef __ETHSW_H
#define __ETHSW_H

#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
#include <uapi/linux/if_bridge.h>
#include <net/switchdev.h>
#include <linux/if_bridge.h>

#include "dpsw.h"

/* Number of IRQs supported */
#define DPSW_IRQ_NUM	2

/* Port is member of VLAN */
#define ETHSW_VLAN_MEMBER	1
/* VLAN to be treated as untagged on egress */
#define ETHSW_VLAN_UNTAGGED	2
/* Untagged frames will be assigned to this VLAN */
#define ETHSW_VLAN_PVID		4
/* VLAN configured on the switch */
#define ETHSW_VLAN_GLOBAL	8

/* Maximum Frame Length supported by HW (currently 10k) */
#define DPAA2_MFL		(10 * 1024)
#define ETHSW_MAX_FRAME_LENGTH	(DPAA2_MFL - VLAN_ETH_HLEN - ETH_FCS_LEN)
#define ETHSW_L2_MAX_FRM(mtu)	((mtu) + VLAN_ETH_HLEN + ETH_FCS_LEN)

#define ETHSW_FEATURE_MAC_ADDR	BIT(0)

extern const struct ethtool_ops dpaa2_switch_port_ethtool_ops;

struct ethsw_core;

/* Per port private data */
struct ethsw_port_priv {
	struct net_device	*netdev;
	u16			idx;
	struct ethsw_core	*ethsw_data;
	u8			link_state;
	u8			stp_state;
	bool			flood;

	u8			vlans[VLAN_VID_MASK + 1];
	u16			pvid;
	struct net_device	*bridge_dev;
};

/* Switch data */
struct ethsw_core {
	struct device			*dev;
	struct fsl_mc_io		*mc_io;
	u16				dpsw_handle;
	struct dpsw_attr		sw_attr;
	u16				major, minor;
	unsigned long			features;
	int				dev_id;
	struct ethsw_port_priv		**ports;

	u8				vlans[VLAN_VID_MASK + 1];
	bool				learning;

	struct notifier_block		port_nb;
	struct notifier_block		port_switchdev_nb;
	struct notifier_block		port_switchdevb_nb;
	struct workqueue_struct		*workqueue;
};

#endif	/* __ETHSW_H */