[mirror_ubuntu-jammy-kernel.git] / drivers / net / ethernet / mscc / ocelot.h

/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
/*
 * Microsemi Ocelot Switch driver
 *
 * Copyright (c) 2017 Microsemi Corporation
 */

#ifndef _MSCC_OCELOT_H_
#define _MSCC_OCELOT_H_

#include <linux/bitops.h>
#include <linux/etherdevice.h>
#include <linux/if_vlan.h>
#include <linux/net_tstamp.h>
#include <linux/phy.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>

#include <soc/mscc/ocelot_qsys.h>
#include <soc/mscc/ocelot_sys.h>
#include <soc/mscc/ocelot_dev.h>
#include <soc/mscc/ocelot_ana.h>
#include <soc/mscc/ocelot_ptp.h>
#include <soc/mscc/ocelot.h>
#include "ocelot_rew.h"
#include "ocelot_qs.h"

#define OCELOT_BUFFER_CELL_SZ 60

#define OCELOT_STATS_CHECK_DELAY (2 * HZ)

#define OCELOT_PTP_QUEUE_SZ	128

struct ocelot_port_tc {
	bool block_shared;
	unsigned long offload_cnt;

	unsigned long police_id;
};

struct ocelot_port_private {
	struct ocelot_port port;
	struct net_device *dev;
	struct phy_device *phy;
	u8 chip_port;

	struct phy *serdes;

	struct ocelot_port_tc tc;
};

struct ocelot_dump_ctx {
	struct net_device *dev;
	struct sk_buff *skb;
	struct netlink_callback *cb;
	int idx;
};

/* MAC table entry types.
 * ENTRYTYPE_NORMAL is subject to aging.
 * ENTRYTYPE_LOCKED is not subject to aging.
 * ENTRYTYPE_MACv4 is not subject to aging. For IPv4 multicast.
 * ENTRYTYPE_MACv6 is not subject to aging. For IPv6 multicast.
 */
enum macaccess_entry_type {
	ENTRYTYPE_NORMAL = 0,
	ENTRYTYPE_LOCKED,
	ENTRYTYPE_MACv4,
	ENTRYTYPE_MACv6,
};

/* A (PGID) port mask structure, encoding the 2^ocelot->num_phys_ports
 * possibilities of egress port masks for L2 multicast traffic.
 * For a switch with 9 user ports, there are 512 possible port masks, but the
 * hardware only has 46 individual PGIDs that it can forward multicast traffic
 * to. So we need a structure that maps the limited PGID indices to the port
 * destinations requested by the user for L2 multicast.
 */
struct ocelot_pgid {
	unsigned long ports;
	int index;
	refcount_t refcount;
	struct list_head list;
};

struct ocelot_multicast {
	struct list_head list;
	enum macaccess_entry_type entry_type;
	unsigned char addr[ETH_ALEN];
	u16 vid;
	u16 ports;
	struct ocelot_pgid *pgid;
};

int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid,
			    bool is_static, void *data);
int ocelot_mact_learn(struct ocelot *ocelot, int port,
		      const unsigned char mac[ETH_ALEN],
		      unsigned int vid, enum macaccess_entry_type type);
int ocelot_mact_forget(struct ocelot *ocelot,
		       const unsigned char mac[ETH_ALEN], unsigned int vid);
struct net_device *ocelot_port_to_netdev(struct ocelot *ocelot, int port);
int ocelot_netdev_to_port(struct net_device *dev);

u32 ocelot_port_readl(struct ocelot_port *port, u32 reg);
void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg);

int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,
		      struct phy_device *phy);
void ocelot_release_port(struct ocelot_port *ocelot_port);
int ocelot_devlink_init(struct ocelot *ocelot);
void ocelot_devlink_teardown(struct ocelot *ocelot);
int ocelot_port_devlink_init(struct ocelot *ocelot, int port,
			     enum devlink_port_flavour flavour);
void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port);

extern struct notifier_block ocelot_netdevice_nb;
extern struct notifier_block ocelot_switchdev_nb;
extern struct notifier_block ocelot_switchdev_blocking_nb;
extern const struct devlink_ops ocelot_devlink_ops;

#endif
Commit	Line	Data
a556c76a AB	1	/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
	2	/*
	3	* Microsemi Ocelot Switch driver
	4	*
	5	* Copyright (c) 2017 Microsemi Corporation
	6	*/
	7
	8	#ifndef _MSCC_OCELOT_H_
	9	#define _MSCC_OCELOT_H_
	10
	11	#include <linux/bitops.h>
	12	#include <linux/etherdevice.h>
	13	#include <linux/if_vlan.h>
4e3b0468	14	#include <linux/net_tstamp.h>
71e32a20 QS	15	#include <linux/phy.h>
71e32a20 QS	16	#include <linux/phy/phy.h>
a556c76a AB	17	#include <linux/platform_device.h>
	18	#include <linux/regmap.h>
	19
964ee5c8	20	#include <soc/mscc/ocelot_qsys.h>
a030dfe1	21	#include <soc/mscc/ocelot_sys.h>
964ee5c8 VO	22	#include <soc/mscc/ocelot_dev.h>
964ee5c8 VO	23	#include <soc/mscc/ocelot_ana.h>
2b49d128	24	#include <soc/mscc/ocelot_ptp.h>
5e256365	25	#include <soc/mscc/ocelot.h>
a556c76a	26	#include "ocelot_rew.h"
a556c76a AB	27	#include "ocelot_qs.h"
a556c76a AB	28
a556c76a AB	29	#define OCELOT_BUFFER_CELL_SZ 60
	30
	31	#define OCELOT_STATS_CHECK_DELAY (2 * HZ)
	32
4e3b0468 AT	33	#define OCELOT_PTP_QUEUE_SZ 128
4e3b0468 AT	34
9c90eea3 VO	35	struct ocelot_port_tc {
	36	bool block_shared;
	37	unsigned long offload_cnt;
	38
	39	unsigned long police_id;
	40	};
	41
004d44f6 VO	42	struct ocelot_port_private {
	43	struct ocelot_port port;
	44	struct net_device *dev;
	45	struct phy_device *phy;
	46	u8 chip_port;
	47
71e32a20	48	struct phy *serdes;
2c1d029a JA	49
2c1d029a JA	50	struct ocelot_port_tc tc;
4e3b0468 AT	51	};
4e3b0468 AT	52
9c90eea3 VO	53	struct ocelot_dump_ctx {
	54	struct net_device *dev;
	55	struct sk_buff *skb;
	56	struct netlink_callback *cb;
	57	int idx;
	58	};
	59
	60	/* MAC table entry types.
	61	* ENTRYTYPE_NORMAL is subject to aging.
	62	* ENTRYTYPE_LOCKED is not subject to aging.
	63	* ENTRYTYPE_MACv4 is not subject to aging. For IPv4 multicast.
	64	* ENTRYTYPE_MACv6 is not subject to aging. For IPv6 multicast.
	65	*/
	66	enum macaccess_entry_type {
	67	ENTRYTYPE_NORMAL = 0,
	68	ENTRYTYPE_LOCKED,
	69	ENTRYTYPE_MACv4,
	70	ENTRYTYPE_MACv6,
	71	};
	72
e5d1f896 VO	73	/* A (PGID) port mask structure, encoding the 2^ocelot->num_phys_ports
	74	* possibilities of egress port masks for L2 multicast traffic.
	75	* For a switch with 9 user ports, there are 512 possible port masks, but the
	76	* hardware only has 46 individual PGIDs that it can forward multicast traffic
	77	* to. So we need a structure that maps the limited PGID indices to the port
	78	* destinations requested by the user for L2 multicast.
	79	*/
	80	struct ocelot_pgid {
	81	unsigned long ports;
	82	int index;
	83	refcount_t refcount;
	84	struct list_head list;
	85	};
	86
bb8d53fd VO	87	struct ocelot_multicast {
	88	struct list_head list;
	89	enum macaccess_entry_type entry_type;
	90	unsigned char addr[ETH_ALEN];
	91	u16 vid;
	92	u16 ports;
e5d1f896	93	struct ocelot_pgid *pgid;
bb8d53fd VO	94	};
bb8d53fd VO	95
9c90eea3 VO	96	int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid,
	97	bool is_static, void *data);
	98	int ocelot_mact_learn(struct ocelot *ocelot, int port,
	99	const unsigned char mac[ETH_ALEN],
	100	unsigned int vid, enum macaccess_entry_type type);
	101	int ocelot_mact_forget(struct ocelot *ocelot,
	102	const unsigned char mac[ETH_ALEN], unsigned int vid);
319e4dd1 VO	103	struct net_device ocelot_port_to_netdev(struct ocelot ocelot, int port);
319e4dd1 VO	104	int ocelot_netdev_to_port(struct net_device *dev);
9c90eea3	105
a556c76a AB	106	u32 ocelot_port_readl(struct ocelot_port *port, u32 reg);
	107	void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg);
	108
91c724cf	109	int ocelot_probe_port(struct ocelot ocelot, int port, struct regmap target,
a556c76a	110	struct phy_device *phy);
e0c16233	111	void ocelot_release_port(struct ocelot_port *ocelot_port);
6c30384e VO	112	int ocelot_devlink_init(struct ocelot *ocelot);
	113	void ocelot_devlink_teardown(struct ocelot *ocelot);
	114	int ocelot_port_devlink_init(struct ocelot *ocelot, int port,
	115	enum devlink_port_flavour flavour);
	116	void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port);
a556c76a AB	117
a556c76a AB	118	extern struct notifier_block ocelot_netdevice_nb;
56da64bc	119	extern struct notifier_block ocelot_switchdev_nb;
0e332c85	120	extern struct notifier_block ocelot_switchdev_blocking_nb;
6c30384e	121	extern const struct devlink_ops ocelot_devlink_ops;
a556c76a AB	122
a556c76a AB	123	#endif