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1/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */2/*3 * Microsemi Ocelot Switch driver4 *5 * Copyright (c) 2017 Microsemi Corporation6 */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>14#include <linux/net_tstamp.h>15#include <linux/phylink.h>16#include <linux/platform_device.h>17#include <linux/regmap.h>18 19#include <soc/mscc/ocelot_qsys.h>20#include <soc/mscc/ocelot_sys.h>21#include <soc/mscc/ocelot_dev.h>22#include <soc/mscc/ocelot_ana.h>23#include <soc/mscc/ocelot_ptp.h>24#include <soc/mscc/ocelot_vcap.h>25#include <soc/mscc/ocelot.h>26#include "ocelot_rew.h"27#include "ocelot_qs.h"28 29#define OCELOT_STANDALONE_PVID 030#define OCELOT_BUFFER_CELL_SZ 6031 32#define OCELOT_STATS_CHECK_DELAY (2 * HZ)33 34#define OCELOT_PTP_QUEUE_SZ 12835 36#define OCELOT_JUMBO_MTU 900037 38struct ocelot_port_tc {39 bool block_shared;40 unsigned long offload_cnt;41 unsigned long ingress_mirred_id;42 unsigned long egress_mirred_id;43 unsigned long police_id;44};45 46struct ocelot_port_private {47 struct ocelot_port port;48 struct net_device *dev;49 struct phylink *phylink;50 struct phylink_config phylink_config;51 struct ocelot_port_tc tc;52};53 54/* A (PGID) port mask structure, encoding the 2^ocelot->num_phys_ports55 * possibilities of egress port masks for L2 multicast traffic.56 * For a switch with 9 user ports, there are 512 possible port masks, but the57 * hardware only has 46 individual PGIDs that it can forward multicast traffic58 * to. So we need a structure that maps the limited PGID indices to the port59 * destinations requested by the user for L2 multicast.60 */61struct ocelot_pgid {62 unsigned long ports;63 int index;64 refcount_t refcount;65 struct list_head list;66};67 68struct ocelot_multicast {69 struct list_head list;70 enum macaccess_entry_type entry_type;71 unsigned char addr[ETH_ALEN];72 u16 vid;73 u16 ports;74 struct ocelot_pgid *pgid;75};76 77static inline void ocelot_reg_to_target_addr(struct ocelot *ocelot,78 enum ocelot_reg reg,79 enum ocelot_target *target,80 u32 *addr)81{82 *target = reg >> TARGET_OFFSET;83 *addr = ocelot->map[*target][reg & REG_MASK];84}85 86int ocelot_bridge_num_find(struct ocelot *ocelot,87 const struct net_device *bridge);88 89int ocelot_mact_learn(struct ocelot *ocelot, int port,90 const unsigned char mac[ETH_ALEN],91 unsigned int vid, enum macaccess_entry_type type);92int ocelot_mact_forget(struct ocelot *ocelot,93 const unsigned char mac[ETH_ALEN], unsigned int vid);94struct net_device *ocelot_port_to_netdev(struct ocelot *ocelot, int port);95int ocelot_netdev_to_port(struct net_device *dev);96 97int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,98 struct device_node *portnp);99void ocelot_release_port(struct ocelot_port *ocelot_port);100int ocelot_port_devlink_init(struct ocelot *ocelot, int port,101 enum devlink_port_flavour flavour);102void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port);103 104int ocelot_trap_add(struct ocelot *ocelot, int port,105 unsigned long cookie, bool take_ts,106 void (*populate)(struct ocelot_vcap_filter *f));107int ocelot_trap_del(struct ocelot *ocelot, int port, unsigned long cookie);108 109struct ocelot_mirror *ocelot_mirror_get(struct ocelot *ocelot, int to,110 struct netlink_ext_ack *extack);111void ocelot_mirror_put(struct ocelot *ocelot);112 113int ocelot_stats_init(struct ocelot *ocelot);114void ocelot_stats_deinit(struct ocelot *ocelot);115 116int ocelot_mm_init(struct ocelot *ocelot);117void ocelot_port_change_fp(struct ocelot *ocelot, int port,118 unsigned long preemptible_tcs);119void ocelot_port_update_active_preemptible_tcs(struct ocelot *ocelot, int port);120 121extern struct notifier_block ocelot_netdevice_nb;122extern struct notifier_block ocelot_switchdev_nb;123extern struct notifier_block ocelot_switchdev_blocking_nb;124extern const struct devlink_ops ocelot_devlink_ops;125 126#endif127