120 lines
3.6 KiB
C
120 lines
3.6 KiB
C
/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
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/*
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* Microsemi Ocelot Switch driver
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*
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* Copyright (c) 2017 Microsemi Corporation
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*/
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#ifndef _MSCC_OCELOT_H_
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#define _MSCC_OCELOT_H_
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#include <linux/bitops.h>
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#include <linux/etherdevice.h>
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#include <linux/if_vlan.h>
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#include <linux/net_tstamp.h>
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#include <linux/phylink.h>
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#include <linux/platform_device.h>
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#include <linux/regmap.h>
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#include <soc/mscc/ocelot_qsys.h>
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#include <soc/mscc/ocelot_sys.h>
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#include <soc/mscc/ocelot_dev.h>
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#include <soc/mscc/ocelot_ana.h>
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#include <soc/mscc/ocelot_ptp.h>
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#include <soc/mscc/ocelot_vcap.h>
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#include <soc/mscc/ocelot.h>
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#include "ocelot_rew.h"
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#include "ocelot_qs.h"
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#define OCELOT_STANDALONE_PVID 0
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#define OCELOT_BUFFER_CELL_SZ 60
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#define OCELOT_STATS_CHECK_DELAY (2 * HZ)
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#define OCELOT_PTP_QUEUE_SZ 128
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#define OCELOT_JUMBO_MTU 9000
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struct ocelot_port_tc {
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bool block_shared;
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unsigned long offload_cnt;
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unsigned long ingress_mirred_id;
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unsigned long egress_mirred_id;
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unsigned long police_id;
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};
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struct ocelot_port_private {
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struct ocelot_port port;
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struct net_device *dev;
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struct phylink *phylink;
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struct phylink_config phylink_config;
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struct ocelot_port_tc tc;
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};
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/* A (PGID) port mask structure, encoding the 2^ocelot->num_phys_ports
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* possibilities of egress port masks for L2 multicast traffic.
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* For a switch with 9 user ports, there are 512 possible port masks, but the
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* hardware only has 46 individual PGIDs that it can forward multicast traffic
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* to. So we need a structure that maps the limited PGID indices to the port
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* destinations requested by the user for L2 multicast.
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*/
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struct ocelot_pgid {
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unsigned long ports;
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int index;
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refcount_t refcount;
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struct list_head list;
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};
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struct ocelot_multicast {
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struct list_head list;
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enum macaccess_entry_type entry_type;
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unsigned char addr[ETH_ALEN];
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u16 vid;
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u16 ports;
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struct ocelot_pgid *pgid;
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};
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int ocelot_bridge_num_find(struct ocelot *ocelot,
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const struct net_device *bridge);
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int ocelot_mact_learn(struct ocelot *ocelot, int port,
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const unsigned char mac[ETH_ALEN],
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unsigned int vid, enum macaccess_entry_type type);
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int ocelot_mact_forget(struct ocelot *ocelot,
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const unsigned char mac[ETH_ALEN], unsigned int vid);
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struct net_device *ocelot_port_to_netdev(struct ocelot *ocelot, int port);
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int ocelot_netdev_to_port(struct net_device *dev);
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u32 ocelot_port_readl(struct ocelot_port *port, u32 reg);
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void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg);
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int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,
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struct device_node *portnp);
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void ocelot_release_port(struct ocelot_port *ocelot_port);
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int ocelot_devlink_init(struct ocelot *ocelot);
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void ocelot_devlink_teardown(struct ocelot *ocelot);
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int ocelot_port_devlink_init(struct ocelot *ocelot, int port,
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enum devlink_port_flavour flavour);
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void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port);
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int ocelot_trap_add(struct ocelot *ocelot, int port,
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unsigned long cookie, bool take_ts,
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void (*populate)(struct ocelot_vcap_filter *f));
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int ocelot_trap_del(struct ocelot *ocelot, int port, unsigned long cookie);
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struct ocelot_mirror *ocelot_mirror_get(struct ocelot *ocelot, int to,
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struct netlink_ext_ack *extack);
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void ocelot_mirror_put(struct ocelot *ocelot);
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int ocelot_stats_init(struct ocelot *ocelot);
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void ocelot_stats_deinit(struct ocelot *ocelot);
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int ocelot_mm_init(struct ocelot *ocelot);
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extern struct notifier_block ocelot_netdevice_nb;
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extern struct notifier_block ocelot_switchdev_nb;
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extern struct notifier_block ocelot_switchdev_blocking_nb;
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extern const struct devlink_ops ocelot_devlink_ops;
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#endif
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