linux/drivers/net/dsa/mv88e6xxx/global1_vtu.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Marvell 88E6xxx VLAN [Spanning Tree] Translation Unit (VTU [STU]) support
 *
 * Copyright (c) 2008 Marvell Semiconductor
 * Copyright (c) 2015 CMC Electronics, Inc.
 * 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 "trace.h"

/* Offset 0x02: VTU FID Register */

static int mv88e6xxx_g1_vtu_fid_read(struct mv88e6xxx_chip *chip,
				     struct mv88e6xxx_vtu_entry *entry)
{ … }

static int mv88e6xxx_g1_vtu_fid_write(struct mv88e6xxx_chip *chip,
				      struct mv88e6xxx_vtu_entry *entry)
{ … }

/* Offset 0x03: VTU SID Register */

static int mv88e6xxx_g1_vtu_sid_read(struct mv88e6xxx_chip *chip, u8 *sid)
{ … }

static int mv88e6xxx_g1_vtu_sid_write(struct mv88e6xxx_chip *chip, u8 sid)
{ … }

/* Offset 0x05: VTU Operation Register */

static int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip)
{ … }

static int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op)
{ … }

/* Offset 0x06: VTU VID Register */

static int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
				     bool *valid, u16 *vid)
{ … }

static int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
				      bool valid, u16 vid)
{ … }

/* Offset 0x07: VTU/STU Data Register 1
 * Offset 0x08: VTU/STU Data Register 2
 * Offset 0x09: VTU/STU Data Register 3
 */
static int mv88e6185_g1_vtu_stu_data_read(struct mv88e6xxx_chip *chip,
					  u16 *regs)
{ … }

static int mv88e6185_g1_vtu_data_read(struct mv88e6xxx_chip *chip,
				      u8 *member, u8 *state)
{ … }

static int mv88e6185_g1_vtu_data_write(struct mv88e6xxx_chip *chip,
				       u8 *member, u8 *state)
{ … }

static int mv88e6390_g1_vtu_data_read(struct mv88e6xxx_chip *chip, u8 *data)
{ … }

static int mv88e6390_g1_vtu_data_write(struct mv88e6xxx_chip *chip, u8 *data)
{ … }

/* VLAN Translation Unit Operations */

int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
			     struct mv88e6xxx_vtu_entry *entry)
{ … }

int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
			     struct mv88e6xxx_vtu_entry *entry)
{ … }

int mv88e6352_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
			     struct mv88e6xxx_vtu_entry *entry)
{ … }

int mv88e6390_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
			     struct mv88e6xxx_vtu_entry *entry)
{ … }

int mv88e6185_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
			       struct mv88e6xxx_vtu_entry *entry)
{ … }

int mv88e6352_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
			       struct mv88e6xxx_vtu_entry *entry)
{ … }

int mv88e6390_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
			       struct mv88e6xxx_vtu_entry *entry)
{ … }

int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip)
{ … }

/* Spanning Tree Unit Operations */

int mv88e6xxx_g1_stu_getnext(struct mv88e6xxx_chip *chip,
			     struct mv88e6xxx_stu_entry *entry)
{ … }

int mv88e6352_g1_stu_getnext(struct mv88e6xxx_chip *chip,
			     struct mv88e6xxx_stu_entry *entry)
{ … }

int mv88e6390_g1_stu_getnext(struct mv88e6xxx_chip *chip,
			     struct mv88e6xxx_stu_entry *entry)
{ … }

int mv88e6352_g1_stu_loadpurge(struct mv88e6xxx_chip *chip,
			       struct mv88e6xxx_stu_entry *entry)
{ … }

int mv88e6390_g1_stu_loadpurge(struct mv88e6xxx_chip *chip,
			       struct mv88e6xxx_stu_entry *entry)
{ … }

/* VTU Violation Management */

static irqreturn_t mv88e6xxx_g1_vtu_prob_irq_thread_fn(int irq, void *dev_id)
{ … }

int mv88e6xxx_g1_vtu_prob_irq_setup(struct mv88e6xxx_chip *chip)
{ … }

void mv88e6xxx_g1_vtu_prob_irq_free(struct mv88e6xxx_chip *chip)
{ … }