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 | |
38 | struct 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 | |
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; |
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 | */ |
61 | struct ocelot_pgid { |
62 | unsigned long ports; |
63 | int index; |
64 | refcount_t refcount; |
65 | struct list_head list; |
66 | }; |
67 | |
68 | struct 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 | |
77 | static 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 | |
86 | int ocelot_bridge_num_find(struct ocelot *ocelot, |
87 | const struct net_device *bridge); |
88 | |
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); |
96 | |
97 | int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target, |
98 | struct device_node *portnp); |
99 | void ocelot_release_port(struct ocelot_port *ocelot_port); |
100 | int ocelot_port_devlink_init(struct ocelot *ocelot, int port, |
101 | enum devlink_port_flavour flavour); |
102 | void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port); |
103 | |
104 | int ocelot_trap_add(struct ocelot *ocelot, int port, |
105 | unsigned long cookie, bool take_ts, |
106 | void (*populate)(struct ocelot_vcap_filter *f)); |
107 | int ocelot_trap_del(struct ocelot *ocelot, int port, unsigned long cookie); |
108 | |
109 | struct ocelot_mirror *ocelot_mirror_get(struct ocelot *ocelot, int to, |
110 | struct netlink_ext_ack *extack); |
111 | void ocelot_mirror_put(struct ocelot *ocelot); |
112 | |
113 | int ocelot_stats_init(struct ocelot *ocelot); |
114 | void ocelot_stats_deinit(struct ocelot *ocelot); |
115 | |
116 | int ocelot_mm_init(struct ocelot *ocelot); |
117 | void ocelot_port_change_fp(struct ocelot *ocelot, int port, |
118 | unsigned long preemptible_tcs); |
119 | void ocelot_port_update_active_preemptible_tcs(struct ocelot *ocelot, int port); |
120 | |
121 | extern struct notifier_block ocelot_netdevice_nb; |
122 | extern struct notifier_block ocelot_switchdev_nb; |
123 | extern struct notifier_block ocelot_switchdev_blocking_nb; |
124 | extern const struct devlink_ops ocelot_devlink_ops; |
125 | |
126 | #endif |
127 | |