1 /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
3 * Microsemi Ocelot Switch driver
5 * Copyright (c) 2017 Microsemi Corporation
8 #ifndef _MSCC_OCELOT_H_
9 #define _MSCC_OCELOT_H_
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>
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"
29 #define OCELOT_STANDALONE_PVID 0
30 #define OCELOT_BUFFER_CELL_SZ 60
32 #define OCELOT_STATS_CHECK_DELAY (2 * HZ)
34 #define OCELOT_PTP_QUEUE_SZ 128
36 #define OCELOT_JUMBO_MTU 9000
38 struct ocelot_port_tc {
40 unsigned long offload_cnt;
41 unsigned long ingress_mirred_id;
42 unsigned long egress_mirred_id;
43 unsigned long police_id;
46 struct 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;
54 struct ocelot_dump_ctx {
55 struct net_device *dev;
57 struct netlink_callback *cb;
61 /* A (PGID) port mask structure, encoding the 2^ocelot->num_phys_ports
62 * possibilities of egress port masks for L2 multicast traffic.
63 * For a switch with 9 user ports, there are 512 possible port masks, but the
64 * hardware only has 46 individual PGIDs that it can forward multicast traffic
65 * to. So we need a structure that maps the limited PGID indices to the port
66 * destinations requested by the user for L2 multicast.
72 struct list_head list;
75 struct ocelot_multicast {
76 struct list_head list;
77 enum macaccess_entry_type entry_type;
78 unsigned char addr[ETH_ALEN];
81 struct ocelot_pgid *pgid;
84 int ocelot_bridge_num_find(struct ocelot *ocelot,
85 const struct net_device *bridge);
87 int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid,
88 bool is_static, void *data);
89 int ocelot_mact_learn(struct ocelot *ocelot, int port,
90 const unsigned char mac[ETH_ALEN],
91 unsigned int vid, enum macaccess_entry_type type);
92 int ocelot_mact_forget(struct ocelot *ocelot,
93 const unsigned char mac[ETH_ALEN], unsigned int vid);
94 struct net_device *ocelot_port_to_netdev(struct ocelot *ocelot, int port);
95 int ocelot_netdev_to_port(struct net_device *dev);
97 u32 ocelot_port_readl(struct ocelot_port *port, u32 reg);
98 void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg);
100 int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,
101 struct device_node *portnp);
102 void ocelot_release_port(struct ocelot_port *ocelot_port);
103 int ocelot_devlink_init(struct ocelot *ocelot);
104 void ocelot_devlink_teardown(struct ocelot *ocelot);
105 int ocelot_port_devlink_init(struct ocelot *ocelot, int port,
106 enum devlink_port_flavour flavour);
107 void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port);
109 int ocelot_trap_add(struct ocelot *ocelot, int port,
110 unsigned long cookie, bool take_ts,
111 void (*populate)(struct ocelot_vcap_filter *f));
112 int ocelot_trap_del(struct ocelot *ocelot, int port, unsigned long cookie);
114 struct ocelot_mirror *ocelot_mirror_get(struct ocelot *ocelot, int to,
115 struct netlink_ext_ack *extack);
116 void ocelot_mirror_put(struct ocelot *ocelot);
118 extern struct notifier_block ocelot_netdevice_nb;
119 extern struct notifier_block ocelot_switchdev_nb;
120 extern struct notifier_block ocelot_switchdev_blocking_nb;
121 extern const struct devlink_ops ocelot_devlink_ops;