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