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/* 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/phylink.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_vcap.h>
#include <soc/mscc/ocelot.h>
#include "ocelot_rew.h"
#include "ocelot_qs.h"
#define OCELOT_STANDALONE_PVID 0
#define OCELOT_BUFFER_CELL_SZ 60
#define OCELOT_STATS_CHECK_DELAY (2 * HZ)
#define OCELOT_PTP_QUEUE_SZ 128
#define OCELOT_JUMBO_MTU 9000
struct ocelot_port_tc {
bool block_shared;
unsigned long offload_cnt;
unsigned long ingress_mirred_id;
unsigned long egress_mirred_id;
unsigned long police_id;
};
struct ocelot_port_private {
struct ocelot_port port;
struct net_device *dev;
struct phylink *phylink;
struct phylink_config phylink_config;
struct ocelot_port_tc tc;
};
/* 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;
};
static inline void ocelot_reg_to_target_addr(struct ocelot *ocelot,
enum ocelot_reg reg,
enum ocelot_target *target,
u32 *addr)
{
*target = reg >> TARGET_OFFSET;
*addr = ocelot->map[*target][reg & REG_MASK];
}
int ocelot_bridge_num_find(struct ocelot *ocelot,
const struct net_device *bridge);
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 device_node *portnp);
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);
int ocelot_trap_add(struct ocelot *ocelot, int port,
unsigned long cookie, bool take_ts,
void (*populate)(struct ocelot_vcap_filter *f));
int ocelot_trap_del(struct ocelot *ocelot, int port, unsigned long cookie);
struct ocelot_mirror *ocelot_mirror_get(struct ocelot *ocelot, int to,
struct netlink_ext_ack *extack);
void ocelot_mirror_put(struct ocelot *ocelot);
int ocelot_stats_init(struct ocelot *ocelot);
void ocelot_stats_deinit(struct ocelot *ocelot);
int ocelot_mm_init(struct ocelot *ocelot);
void ocelot_port_change_fp(struct ocelot *ocelot, int port,
unsigned long preemptible_tcs);
void ocelot_port_update_active_preemptible_tcs(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
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