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 u8 chip_port; 52 struct ocelot_port_tc tc; 53 }; 54 55 struct ocelot_dump_ctx { 56 struct net_device *dev; 57 struct sk_buff *skb; 58 struct netlink_callback *cb; 59 int idx; 60 }; 61 62 /* A (PGID) port mask structure, encoding the 2^ocelot->num_phys_ports 63 * possibilities of egress port masks for L2 multicast traffic. 64 * For a switch with 9 user ports, there are 512 possible port masks, but the 65 * hardware only has 46 individual PGIDs that it can forward multicast traffic 66 * to. So we need a structure that maps the limited PGID indices to the port 67 * destinations requested by the user for L2 multicast. 68 */ 69 struct ocelot_pgid { 70 unsigned long ports; 71 int index; 72 refcount_t refcount; 73 struct list_head list; 74 }; 75 76 struct ocelot_multicast { 77 struct list_head list; 78 enum macaccess_entry_type entry_type; 79 unsigned char addr[ETH_ALEN]; 80 u16 vid; 81 u16 ports; 82 struct ocelot_pgid *pgid; 83 }; 84 85 int ocelot_bridge_num_find(struct ocelot *ocelot, 86 const struct net_device *bridge); 87 88 int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid, 89 bool is_static, void *data); 90 int ocelot_mact_learn(struct ocelot *ocelot, int port, 91 const unsigned char mac[ETH_ALEN], 92 unsigned int vid, enum macaccess_entry_type type); 93 int ocelot_mact_forget(struct ocelot *ocelot, 94 const unsigned char mac[ETH_ALEN], unsigned int vid); 95 struct net_device *ocelot_port_to_netdev(struct ocelot *ocelot, int port); 96 int ocelot_netdev_to_port(struct net_device *dev); 97 98 u32 ocelot_port_readl(struct ocelot_port *port, u32 reg); 99 void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg); 100 101 int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target, 102 struct device_node *portnp); 103 void ocelot_release_port(struct ocelot_port *ocelot_port); 104 int ocelot_devlink_init(struct ocelot *ocelot); 105 void ocelot_devlink_teardown(struct ocelot *ocelot); 106 int ocelot_port_devlink_init(struct ocelot *ocelot, int port, 107 enum devlink_port_flavour flavour); 108 void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port); 109 110 int ocelot_trap_add(struct ocelot *ocelot, int port, 111 unsigned long cookie, bool take_ts, 112 void (*populate)(struct ocelot_vcap_filter *f)); 113 int ocelot_trap_del(struct ocelot *ocelot, int port, unsigned long cookie); 114 115 struct ocelot_mirror *ocelot_mirror_get(struct ocelot *ocelot, int to, 116 struct netlink_ext_ack *extack); 117 void ocelot_mirror_put(struct ocelot *ocelot); 118 119 extern struct notifier_block ocelot_netdevice_nb; 120 extern struct notifier_block ocelot_switchdev_nb; 121 extern struct notifier_block ocelot_switchdev_blocking_nb; 122 extern const struct devlink_ops ocelot_devlink_ops; 123 124 #endif 125