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1/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
2/*
3 * Microsemi Ocelot Switch driver
4 *
5 * Copyright (c) 2017 Microsemi Corporation
6 */
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 0
30#define OCELOT_BUFFER_CELL_SZ 60
31
32#define OCELOT_STATS_CHECK_DELAY (2 * HZ)
33
34#define OCELOT_PTP_QUEUE_SZ 128
35
36#define OCELOT_JUMBO_MTU 9000
37
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_ports
55 * possibilities of egress port masks for L2 multicast traffic.
56 * For a switch with 9 user ports, there are 512 possible port masks, but the
57 * hardware only has 46 individual PGIDs that it can forward multicast traffic
58 * to. So we need a structure that maps the limited PGID indices to the port
59 * 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#endif
1/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
2/*
3 * Microsemi Ocelot Switch driver
4 *
5 * Copyright (c) 2017 Microsemi Corporation
6 */
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/phy.h>
16#include <linux/phy/phy.h>
17#include <linux/platform_device.h>
18#include <linux/regmap.h>
19
20#include <soc/mscc/ocelot_qsys.h>
21#include <soc/mscc/ocelot_sys.h>
22#include <soc/mscc/ocelot_dev.h>
23#include <soc/mscc/ocelot_ana.h>
24#include <soc/mscc/ocelot_ptp.h>
25#include <soc/mscc/ocelot.h>
26#include "ocelot_rew.h"
27#include "ocelot_qs.h"
28
29#define OCELOT_BUFFER_CELL_SZ 60
30
31#define OCELOT_STATS_CHECK_DELAY (2 * HZ)
32
33#define OCELOT_PTP_QUEUE_SZ 128
34
35struct ocelot_port_tc {
36 bool block_shared;
37 unsigned long offload_cnt;
38
39 unsigned long police_id;
40};
41
42struct ocelot_port_private {
43 struct ocelot_port port;
44 struct net_device *dev;
45 struct phy_device *phy;
46 u8 chip_port;
47
48 struct phy *serdes;
49
50 struct ocelot_port_tc tc;
51};
52
53struct ocelot_dump_ctx {
54 struct net_device *dev;
55 struct sk_buff *skb;
56 struct netlink_callback *cb;
57 int idx;
58};
59
60/* MAC table entry types.
61 * ENTRYTYPE_NORMAL is subject to aging.
62 * ENTRYTYPE_LOCKED is not subject to aging.
63 * ENTRYTYPE_MACv4 is not subject to aging. For IPv4 multicast.
64 * ENTRYTYPE_MACv6 is not subject to aging. For IPv6 multicast.
65 */
66enum macaccess_entry_type {
67 ENTRYTYPE_NORMAL = 0,
68 ENTRYTYPE_LOCKED,
69 ENTRYTYPE_MACv4,
70 ENTRYTYPE_MACv6,
71};
72
73/* A (PGID) port mask structure, encoding the 2^ocelot->num_phys_ports
74 * possibilities of egress port masks for L2 multicast traffic.
75 * For a switch with 9 user ports, there are 512 possible port masks, but the
76 * hardware only has 46 individual PGIDs that it can forward multicast traffic
77 * to. So we need a structure that maps the limited PGID indices to the port
78 * destinations requested by the user for L2 multicast.
79 */
80struct ocelot_pgid {
81 unsigned long ports;
82 int index;
83 refcount_t refcount;
84 struct list_head list;
85};
86
87struct ocelot_multicast {
88 struct list_head list;
89 enum macaccess_entry_type entry_type;
90 unsigned char addr[ETH_ALEN];
91 u16 vid;
92 u16 ports;
93 struct ocelot_pgid *pgid;
94};
95
96int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid,
97 bool is_static, void *data);
98int ocelot_mact_learn(struct ocelot *ocelot, int port,
99 const unsigned char mac[ETH_ALEN],
100 unsigned int vid, enum macaccess_entry_type type);
101int ocelot_mact_forget(struct ocelot *ocelot,
102 const unsigned char mac[ETH_ALEN], unsigned int vid);
103struct net_device *ocelot_port_to_netdev(struct ocelot *ocelot, int port);
104int ocelot_netdev_to_port(struct net_device *dev);
105
106u32 ocelot_port_readl(struct ocelot_port *port, u32 reg);
107void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg);
108
109int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,
110 struct phy_device *phy);
111void ocelot_release_port(struct ocelot_port *ocelot_port);
112int ocelot_devlink_init(struct ocelot *ocelot);
113void ocelot_devlink_teardown(struct ocelot *ocelot);
114int ocelot_port_devlink_init(struct ocelot *ocelot, int port,
115 enum devlink_port_flavour flavour);
116void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port);
117
118extern struct notifier_block ocelot_netdevice_nb;
119extern struct notifier_block ocelot_switchdev_nb;
120extern struct notifier_block ocelot_switchdev_blocking_nb;
121extern const struct devlink_ops ocelot_devlink_ops;
122
123#endif