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124 lines
3.4 KiB
C
124 lines
3.4 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/phy.h>
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#include <linux/phy/phy.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.h>
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#include "ocelot_rew.h"
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#include "ocelot_qs.h"
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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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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 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 phy_device *phy;
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u8 chip_port;
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struct phy *serdes;
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struct ocelot_port_tc tc;
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};
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struct ocelot_dump_ctx {
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struct net_device *dev;
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struct sk_buff *skb;
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struct netlink_callback *cb;
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int idx;
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};
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/* MAC table entry types.
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* ENTRYTYPE_NORMAL is subject to aging.
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* ENTRYTYPE_LOCKED is not subject to aging.
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* ENTRYTYPE_MACv4 is not subject to aging. For IPv4 multicast.
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* ENTRYTYPE_MACv6 is not subject to aging. For IPv6 multicast.
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*/
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enum macaccess_entry_type {
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ENTRYTYPE_NORMAL = 0,
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ENTRYTYPE_LOCKED,
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ENTRYTYPE_MACv4,
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ENTRYTYPE_MACv6,
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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_port_fdb_do_dump(const unsigned char *addr, u16 vid,
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bool is_static, void *data);
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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 phy_device *phy);
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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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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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