linux/drivers/net/dsa/mv88e6xxx/global1_atu.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Marvell 88E6xxx Address Translation Unit (ATU) support
 *
 * Copyright (c) 2008 Marvell Semiconductor
 * Copyright (c) 2017 Savoir-faire Linux, Inc.
 */

#include <linux/bitfield.h>
#include <linux/interrupt.h>
#include <linux/irqdomain.h>

#include "chip.h"
#include "global1.h"
#include "switchdev.h"
#include "trace.h"

/* Offset 0x01: ATU FID Register */

static int mv88e6xxx_g1_atu_fid_write(struct mv88e6xxx_chip *chip, u16 fid)
{ … }

/* Offset 0x0A: ATU Control Register */

int mv88e6xxx_g1_atu_set_learn2all(struct mv88e6xxx_chip *chip, bool learn2all)
{ … }

int mv88e6xxx_g1_atu_set_age_time(struct mv88e6xxx_chip *chip,
				  unsigned int msecs)
{ … }

int mv88e6165_g1_atu_get_hash(struct mv88e6xxx_chip *chip, u8 *hash)
{ … }

int mv88e6165_g1_atu_set_hash(struct mv88e6xxx_chip *chip, u8 hash)
{ … }

/* Offset 0x0B: ATU Operation Register */

static int mv88e6xxx_g1_atu_op_wait(struct mv88e6xxx_chip *chip)
{ … }

static int mv88e6xxx_g1_read_atu_violation(struct mv88e6xxx_chip *chip)
{ … }

static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op)
{ … }

int mv88e6xxx_g1_atu_get_next(struct mv88e6xxx_chip *chip, u16 fid)
{ … }

static int mv88e6xxx_g1_atu_fid_read(struct mv88e6xxx_chip *chip, u16 *fid)
{ … }

/* Offset 0x0C: ATU Data Register */

static int mv88e6xxx_g1_atu_data_read(struct mv88e6xxx_chip *chip,
				      struct mv88e6xxx_atu_entry *entry)
{ … }

static int mv88e6xxx_g1_atu_data_write(struct mv88e6xxx_chip *chip,
				       struct mv88e6xxx_atu_entry *entry)
{ … }

/* Offset 0x0D: ATU MAC Address Register Bytes 0 & 1
 * Offset 0x0E: ATU MAC Address Register Bytes 2 & 3
 * Offset 0x0F: ATU MAC Address Register Bytes 4 & 5
 */

static int mv88e6xxx_g1_atu_mac_read(struct mv88e6xxx_chip *chip,
				     struct mv88e6xxx_atu_entry *entry)
{ … }

static int mv88e6xxx_g1_atu_mac_write(struct mv88e6xxx_chip *chip,
				      struct mv88e6xxx_atu_entry *entry)
{ … }

/* Address Translation Unit operations */

int mv88e6xxx_g1_atu_getnext(struct mv88e6xxx_chip *chip, u16 fid,
			     struct mv88e6xxx_atu_entry *entry)
{ … }

int mv88e6xxx_g1_atu_loadpurge(struct mv88e6xxx_chip *chip, u16 fid,
			       struct mv88e6xxx_atu_entry *entry)
{ … }

static int mv88e6xxx_g1_atu_flushmove(struct mv88e6xxx_chip *chip, u16 fid,
				      struct mv88e6xxx_atu_entry *entry,
				      bool all)
{ … }

int mv88e6xxx_g1_atu_flush(struct mv88e6xxx_chip *chip, u16 fid, bool all)
{ … }

static int mv88e6xxx_g1_atu_move(struct mv88e6xxx_chip *chip, u16 fid,
				 int from_port, int to_port, bool all)
{ … }

int mv88e6xxx_g1_atu_remove(struct mv88e6xxx_chip *chip, u16 fid, int port,
			    bool all)
{ … }

static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id)
{ … }

int mv88e6xxx_g1_atu_prob_irq_setup(struct mv88e6xxx_chip *chip)
{ … }

void mv88e6xxx_g1_atu_prob_irq_free(struct mv88e6xxx_chip *chip)
{ … }