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 35 struct frame_info { 36 u32 len; 37 u16 port; 38 u16 vid; 39 u8 tag_type; 40 u16 rew_op; 41 u32 timestamp; /* rew_val */ 42 }; 43 44 struct ocelot_port_tc { 45 bool block_shared; 46 unsigned long offload_cnt; 47 48 unsigned long police_id; 49 }; 50 51 struct ocelot_port_private { 52 struct ocelot_port port; 53 struct net_device *dev; 54 struct phy_device *phy; 55 u8 chip_port; 56 57 struct phy *serdes; 58 59 struct ocelot_port_tc tc; 60 }; 61 62 struct ocelot_dump_ctx { 63 struct net_device *dev; 64 struct sk_buff *skb; 65 struct netlink_callback *cb; 66 int idx; 67 }; 68 69 /* MAC table entry types. 70 * ENTRYTYPE_NORMAL is subject to aging. 71 * ENTRYTYPE_LOCKED is not subject to aging. 72 * ENTRYTYPE_MACv4 is not subject to aging. For IPv4 multicast. 73 * ENTRYTYPE_MACv6 is not subject to aging. For IPv6 multicast. 74 */ 75 enum macaccess_entry_type { 76 ENTRYTYPE_NORMAL = 0, 77 ENTRYTYPE_LOCKED, 78 ENTRYTYPE_MACv4, 79 ENTRYTYPE_MACv6, 80 }; 81 82 /* A (PGID) port mask structure, encoding the 2^ocelot->num_phys_ports 83 * possibilities of egress port masks for L2 multicast traffic. 84 * For a switch with 9 user ports, there are 512 possible port masks, but the 85 * hardware only has 46 individual PGIDs that it can forward multicast traffic 86 * to. So we need a structure that maps the limited PGID indices to the port 87 * destinations requested by the user for L2 multicast. 88 */ 89 struct ocelot_pgid { 90 unsigned long ports; 91 int index; 92 refcount_t refcount; 93 struct list_head list; 94 }; 95 96 struct ocelot_multicast { 97 struct list_head list; 98 enum macaccess_entry_type entry_type; 99 unsigned char addr[ETH_ALEN]; 100 u16 vid; 101 u16 ports; 102 struct ocelot_pgid *pgid; 103 }; 104 105 int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid, 106 bool is_static, void *data); 107 int ocelot_mact_learn(struct ocelot *ocelot, int port, 108 const unsigned char mac[ETH_ALEN], 109 unsigned int vid, enum macaccess_entry_type type); 110 int ocelot_mact_forget(struct ocelot *ocelot, 111 const unsigned char mac[ETH_ALEN], unsigned int vid); 112 int ocelot_port_lag_join(struct ocelot *ocelot, int port, 113 struct net_device *bond); 114 void ocelot_port_lag_leave(struct ocelot *ocelot, int port, 115 struct net_device *bond); 116 struct net_device *ocelot_port_to_netdev(struct ocelot *ocelot, int port); 117 int ocelot_netdev_to_port(struct net_device *dev); 118 119 u32 ocelot_port_readl(struct ocelot_port *port, u32 reg); 120 void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg); 121 122 int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target, 123 struct phy_device *phy); 124 125 void ocelot_set_cpu_port(struct ocelot *ocelot, int cpu, 126 enum ocelot_tag_prefix injection, 127 enum ocelot_tag_prefix extraction); 128 129 extern struct notifier_block ocelot_netdevice_nb; 130 extern struct notifier_block ocelot_switchdev_nb; 131 extern struct notifier_block ocelot_switchdev_blocking_nb; 132 133 #endif 134