191da11f8SLennert Buytenhek /* 291da11f8SLennert Buytenhek * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips 3e84665c9SLennert Buytenhek * Copyright (c) 2008-2009 Marvell Semiconductor 491da11f8SLennert Buytenhek * 591da11f8SLennert Buytenhek * This program is free software; you can redistribute it and/or modify 691da11f8SLennert Buytenhek * it under the terms of the GNU General Public License as published by 791da11f8SLennert Buytenhek * the Free Software Foundation; either version 2 of the License, or 891da11f8SLennert Buytenhek * (at your option) any later version. 991da11f8SLennert Buytenhek */ 1091da11f8SLennert Buytenhek 1191da11f8SLennert Buytenhek #ifndef __LINUX_NET_DSA_H 1291da11f8SLennert Buytenhek #define __LINUX_NET_DSA_H 1391da11f8SLennert Buytenhek 14ea1f51beSAxel Lin #include <linux/if_ether.h> 15c8f0b869SBen Hutchings #include <linux/list.h> 16cf50dcc2SBen Hutchings #include <linux/timer.h> 17cf50dcc2SBen Hutchings #include <linux/workqueue.h> 18fa981d9aSFlorian Fainelli #include <linux/of.h> 19ec9436baSFlorian Fainelli #include <linux/phy.h> 20ce31b31cSFlorian Fainelli #include <linux/phy_fixed.h> 21a2820543SFlorian Fainelli #include <linux/ethtool.h> 22cf50dcc2SBen Hutchings 23ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 24ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_NONE = 0, 25ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_DSA, 26ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_TRAILER, 27ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_EDSA, 28ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_BRCM, 2939a7f2a4SAndrew Lunn DSA_TAG_LAST, /* MUST BE LAST */ 30ac7a04c3SFlorian Fainelli }; 315037d532SFlorian Fainelli 32e84665c9SLennert Buytenhek #define DSA_MAX_SWITCHES 4 3391da11f8SLennert Buytenhek #define DSA_MAX_PORTS 12 3491da11f8SLennert Buytenhek 35d390238cSVivien Didelot #define DSA_RTABLE_NONE -1 36d390238cSVivien Didelot 37e84665c9SLennert Buytenhek struct dsa_chip_data { 38e84665c9SLennert Buytenhek /* 39e84665c9SLennert Buytenhek * How to access the switch configuration registers. 40e84665c9SLennert Buytenhek */ 41b4d2394dSAlexander Duyck struct device *host_dev; 42e84665c9SLennert Buytenhek int sw_addr; 43e84665c9SLennert Buytenhek 446793abb4SGuenter Roeck /* set to size of eeprom if supported by the switch */ 456793abb4SGuenter Roeck int eeprom_len; 466793abb4SGuenter Roeck 47fa981d9aSFlorian Fainelli /* Device tree node pointer for this specific switch chip 48fa981d9aSFlorian Fainelli * used during switch setup in case additional properties 49fa981d9aSFlorian Fainelli * and resources needs to be used 50fa981d9aSFlorian Fainelli */ 51fa981d9aSFlorian Fainelli struct device_node *of_node; 52fa981d9aSFlorian Fainelli 53e84665c9SLennert Buytenhek /* 54e84665c9SLennert Buytenhek * The names of the switch's ports. Use "cpu" to 55e84665c9SLennert Buytenhek * designate the switch port that the cpu is connected to, 56e84665c9SLennert Buytenhek * "dsa" to indicate that this port is a DSA link to 57e84665c9SLennert Buytenhek * another switch, NULL to indicate the port is unused, 58e84665c9SLennert Buytenhek * or any other string to indicate this is a physical port. 59e84665c9SLennert Buytenhek */ 60e84665c9SLennert Buytenhek char *port_names[DSA_MAX_PORTS]; 61bd47497aSFlorian Fainelli struct device_node *port_dn[DSA_MAX_PORTS]; 62e84665c9SLennert Buytenhek 63e84665c9SLennert Buytenhek /* 644a7704ffSAndrew Lunn * An array of which element [a] indicates which port on this 654a7704ffSAndrew Lunn * switch should be used to send packets to that are destined 664a7704ffSAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 67e84665c9SLennert Buytenhek */ 684a7704ffSAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 69e84665c9SLennert Buytenhek }; 70e84665c9SLennert Buytenhek 7191da11f8SLennert Buytenhek struct dsa_platform_data { 7291da11f8SLennert Buytenhek /* 7391da11f8SLennert Buytenhek * Reference to a Linux network interface that connects 74e84665c9SLennert Buytenhek * to the root switch chip of the tree. 7591da11f8SLennert Buytenhek */ 7691da11f8SLennert Buytenhek struct device *netdev; 77769a0202SFlorian Fainelli struct net_device *of_netdev; 7891da11f8SLennert Buytenhek 7991da11f8SLennert Buytenhek /* 80e84665c9SLennert Buytenhek * Info structs describing each of the switch chips 81e84665c9SLennert Buytenhek * connected via this network interface. 8291da11f8SLennert Buytenhek */ 83e84665c9SLennert Buytenhek int nr_chips; 84e84665c9SLennert Buytenhek struct dsa_chip_data *chip; 8591da11f8SLennert Buytenhek }; 8691da11f8SLennert Buytenhek 875075314eSAlexander Duyck struct packet_type; 883e8a72d1SFlorian Fainelli 89cf50dcc2SBen Hutchings struct dsa_switch_tree { 9083c0afaeSAndrew Lunn struct list_head list; 9183c0afaeSAndrew Lunn 9283c0afaeSAndrew Lunn /* Tree identifier */ 9383c0afaeSAndrew Lunn u32 tree; 9483c0afaeSAndrew Lunn 9583c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 9683c0afaeSAndrew Lunn struct kref refcount; 9783c0afaeSAndrew Lunn 9883c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 9983c0afaeSAndrew Lunn bool applied; 10083c0afaeSAndrew Lunn 101cf50dcc2SBen Hutchings /* 102cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 103cf50dcc2SBen Hutchings * this dsa switch tree instance. 104cf50dcc2SBen Hutchings */ 105cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 106cf85d08fSLennert Buytenhek 107cf50dcc2SBen Hutchings /* 108cf50dcc2SBen Hutchings * Reference to network device to use, and which tagging 109cf50dcc2SBen Hutchings * protocol to use. 110cf50dcc2SBen Hutchings */ 111cf50dcc2SBen Hutchings struct net_device *master_netdev; 1125075314eSAlexander Duyck int (*rcv)(struct sk_buff *skb, 1135075314eSAlexander Duyck struct net_device *dev, 1145075314eSAlexander Duyck struct packet_type *pt, 1155075314eSAlexander Duyck struct net_device *orig_dev); 116cf50dcc2SBen Hutchings 117cf50dcc2SBen Hutchings /* 118badf3adaSFlorian Fainelli * Original copy of the master netdev ethtool_ops 119badf3adaSFlorian Fainelli */ 120badf3adaSFlorian Fainelli struct ethtool_ops master_ethtool_ops; 1210c73c523SFlorian Fainelli const struct ethtool_ops *master_orig_ethtool_ops; 122badf3adaSFlorian Fainelli 123badf3adaSFlorian Fainelli /* 124cf50dcc2SBen Hutchings * The switch and port to which the CPU is attached. 125cf50dcc2SBen Hutchings */ 126cf50dcc2SBen Hutchings s8 cpu_switch; 127cf50dcc2SBen Hutchings s8 cpu_port; 128cf50dcc2SBen Hutchings 129cf50dcc2SBen Hutchings /* 130cf50dcc2SBen Hutchings * Data for the individual switch chips. 131cf50dcc2SBen Hutchings */ 132cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 13339a7f2a4SAndrew Lunn 13439a7f2a4SAndrew Lunn /* 13539a7f2a4SAndrew Lunn * Tagging protocol operations for adding and removing an 13639a7f2a4SAndrew Lunn * encapsulation tag. 13739a7f2a4SAndrew Lunn */ 13839a7f2a4SAndrew Lunn const struct dsa_device_ops *tag_ops; 139cf50dcc2SBen Hutchings }; 140cf50dcc2SBen Hutchings 141c8b09808SAndrew Lunn struct dsa_port { 142c8b09808SAndrew Lunn struct net_device *netdev; 143189b0d93SAndrew Lunn struct device_node *dn; 14434a79f63SVivien Didelot unsigned int ageing_time; 145c8b09808SAndrew Lunn }; 146c8b09808SAndrew Lunn 147c8f0b869SBen Hutchings struct dsa_switch { 148c33063d6SAndrew Lunn struct device *dev; 149c33063d6SAndrew Lunn 150c8f0b869SBen Hutchings /* 151c8f0b869SBen Hutchings * Parent switch tree, and switch index. 152c8f0b869SBen Hutchings */ 153c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 154c8f0b869SBen Hutchings int index; 155c8f0b869SBen Hutchings 156c8f0b869SBen Hutchings /* 1577543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 1587543a6d5SAndrew Lunn * structure. 1597543a6d5SAndrew Lunn */ 1607543a6d5SAndrew Lunn void *priv; 1617543a6d5SAndrew Lunn 1627543a6d5SAndrew Lunn /* 163c8f0b869SBen Hutchings * Configuration data for this switch. 164c8f0b869SBen Hutchings */ 165ff04955cSAndrew Lunn struct dsa_chip_data *cd; 166c8f0b869SBen Hutchings 167c8f0b869SBen Hutchings /* 168c8f0b869SBen Hutchings * The used switch driver. 169c8f0b869SBen Hutchings */ 170c8f0b869SBen Hutchings struct dsa_switch_driver *drv; 171c8f0b869SBen Hutchings 17266472fc0SAndrew Lunn /* 17366472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 17466472fc0SAndrew Lunn * switch should be used to send packets to that are destined 17566472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 17666472fc0SAndrew Lunn */ 17766472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 17866472fc0SAndrew Lunn 17951579c3fSGuenter Roeck #ifdef CONFIG_NET_DSA_HWMON 18051579c3fSGuenter Roeck /* 18151579c3fSGuenter Roeck * Hardware monitoring information 18251579c3fSGuenter Roeck */ 18351579c3fSGuenter Roeck char hwmon_name[IFNAMSIZ + 8]; 18451579c3fSGuenter Roeck struct device *hwmon_dev; 18551579c3fSGuenter Roeck #endif 18651579c3fSGuenter Roeck 187c8f0b869SBen Hutchings /* 18883c0afaeSAndrew Lunn * The lower device this switch uses to talk to the host 18983c0afaeSAndrew Lunn */ 19083c0afaeSAndrew Lunn struct net_device *master_netdev; 19183c0afaeSAndrew Lunn 19283c0afaeSAndrew Lunn /* 193c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 194c8f0b869SBen Hutchings */ 195c8f0b869SBen Hutchings u32 dsa_port_mask; 19683c0afaeSAndrew Lunn u32 cpu_port_mask; 19774c3e2a5SAndrew Lunn u32 enabled_port_mask; 1980d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 199c8b09808SAndrew Lunn struct dsa_port ports[DSA_MAX_PORTS]; 200c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 201c8f0b869SBen Hutchings }; 202c8f0b869SBen Hutchings 203c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 204c8f0b869SBen Hutchings { 205c8f0b869SBen Hutchings return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port); 206c8f0b869SBen Hutchings } 207c8f0b869SBen Hutchings 20860045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 20960045cbfSAndrew Lunn { 21060045cbfSAndrew Lunn return !!((ds->dsa_port_mask) & (1 << p)); 21160045cbfSAndrew Lunn } 21260045cbfSAndrew Lunn 213d79d2107SGuenter Roeck static inline bool dsa_is_port_initialized(struct dsa_switch *ds, int p) 214d79d2107SGuenter Roeck { 215c8b09808SAndrew Lunn return ds->enabled_port_mask & (1 << p) && ds->ports[p].netdev; 216d79d2107SGuenter Roeck } 217d79d2107SGuenter Roeck 218c8f0b869SBen Hutchings static inline u8 dsa_upstream_port(struct dsa_switch *ds) 219c8f0b869SBen Hutchings { 220c8f0b869SBen Hutchings struct dsa_switch_tree *dst = ds->dst; 221c8f0b869SBen Hutchings 222c8f0b869SBen Hutchings /* 223c8f0b869SBen Hutchings * If this is the root switch (i.e. the switch that connects 224c8f0b869SBen Hutchings * to the CPU), return the cpu port number on this switch. 225c8f0b869SBen Hutchings * Else return the (DSA) port number that connects to the 226c8f0b869SBen Hutchings * switch that is one hop closer to the cpu. 227c8f0b869SBen Hutchings */ 228c8f0b869SBen Hutchings if (dst->cpu_switch == ds->index) 229c8f0b869SBen Hutchings return dst->cpu_port; 230c8f0b869SBen Hutchings else 23166472fc0SAndrew Lunn return ds->rtable[dst->cpu_switch]; 232c8f0b869SBen Hutchings } 233c8f0b869SBen Hutchings 234146a3206SVivien Didelot struct switchdev_trans; 235ea70ba98SVivien Didelot struct switchdev_obj; 236146a3206SVivien Didelot struct switchdev_obj_port_fdb; 23776e398a6SVivien Didelot struct switchdev_obj_port_vlan; 238146a3206SVivien Didelot 239c8f0b869SBen Hutchings struct dsa_switch_driver { 240c8f0b869SBen Hutchings struct list_head list; 241c8f0b869SBen Hutchings 242c8f0b869SBen Hutchings /* 243c8f0b869SBen Hutchings * Probing and setup. 244c8f0b869SBen Hutchings */ 2450209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 2460209d144SVivien Didelot struct device *host_dev, int sw_addr, 2470209d144SVivien Didelot void **priv); 2487b314362SAndrew Lunn 2497b314362SAndrew Lunn enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds); 2507b314362SAndrew Lunn 251c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 252c8f0b869SBen Hutchings int (*set_addr)(struct dsa_switch *ds, u8 *addr); 2536819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 254c8f0b869SBen Hutchings 255c8f0b869SBen Hutchings /* 256c8f0b869SBen Hutchings * Access to the switch's PHY registers. 257c8f0b869SBen Hutchings */ 258c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 259c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 260c8f0b869SBen Hutchings int regnum, u16 val); 261c8f0b869SBen Hutchings 262c8f0b869SBen Hutchings /* 263ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 264ec9436baSFlorian Fainelli */ 265ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 266ec9436baSFlorian Fainelli struct phy_device *phydev); 267ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 268ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 269ec9436baSFlorian Fainelli 270ec9436baSFlorian Fainelli /* 271c8f0b869SBen Hutchings * ethtool hardware statistics. 272c8f0b869SBen Hutchings */ 273c8f0b869SBen Hutchings void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); 274c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 275c8f0b869SBen Hutchings int port, uint64_t *data); 276c8f0b869SBen Hutchings int (*get_sset_count)(struct dsa_switch *ds); 27724462549SFlorian Fainelli 27824462549SFlorian Fainelli /* 27919e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 28019e57c4eSFlorian Fainelli */ 28119e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 28219e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 28319e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 28419e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 28519e57c4eSFlorian Fainelli 28619e57c4eSFlorian Fainelli /* 28724462549SFlorian Fainelli * Suspend and resume 28824462549SFlorian Fainelli */ 28924462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 29024462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 291b2f2af21SFlorian Fainelli 292b2f2af21SFlorian Fainelli /* 293b2f2af21SFlorian Fainelli * Port enable/disable 294b2f2af21SFlorian Fainelli */ 295b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 296b2f2af21SFlorian Fainelli struct phy_device *phy); 297b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 298b2f2af21SFlorian Fainelli struct phy_device *phy); 2997905288fSFlorian Fainelli 3007905288fSFlorian Fainelli /* 3017905288fSFlorian Fainelli * EEE setttings 3027905288fSFlorian Fainelli */ 3037905288fSFlorian Fainelli int (*set_eee)(struct dsa_switch *ds, int port, 3047905288fSFlorian Fainelli struct phy_device *phydev, 3057905288fSFlorian Fainelli struct ethtool_eee *e); 3067905288fSFlorian Fainelli int (*get_eee)(struct dsa_switch *ds, int port, 3077905288fSFlorian Fainelli struct ethtool_eee *e); 30851579c3fSGuenter Roeck 30951579c3fSGuenter Roeck #ifdef CONFIG_NET_DSA_HWMON 31051579c3fSGuenter Roeck /* Hardware monitoring */ 31151579c3fSGuenter Roeck int (*get_temp)(struct dsa_switch *ds, int *temp); 31251579c3fSGuenter Roeck int (*get_temp_limit)(struct dsa_switch *ds, int *temp); 31351579c3fSGuenter Roeck int (*set_temp_limit)(struct dsa_switch *ds, int temp); 31451579c3fSGuenter Roeck int (*get_temp_alarm)(struct dsa_switch *ds, bool *alarm); 31551579c3fSGuenter Roeck #endif 3166793abb4SGuenter Roeck 3176793abb4SGuenter Roeck /* EEPROM access */ 3186793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 3196793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 3206793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3216793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 3226793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3233d762a0fSGuenter Roeck 3243d762a0fSGuenter Roeck /* 3253d762a0fSGuenter Roeck * Register access. 3263d762a0fSGuenter Roeck */ 3273d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 3283d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 3293d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 330b73adef6SFlorian Fainelli 331b73adef6SFlorian Fainelli /* 332b73adef6SFlorian Fainelli * Bridge integration 333b73adef6SFlorian Fainelli */ 33434a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 33571327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 336a6692754SVivien Didelot struct net_device *bridge); 33716bfa702SVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port); 33843c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 339b73adef6SFlorian Fainelli u8 state); 3402a778e1bSVivien Didelot 3412a778e1bSVivien Didelot /* 34211149536SVivien Didelot * VLAN support 34311149536SVivien Didelot */ 344fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 345fb2dabadSVivien Didelot bool vlan_filtering); 34676e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 34776e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 34876e398a6SVivien Didelot struct switchdev_trans *trans); 3494d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 35076e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 35176e398a6SVivien Didelot struct switchdev_trans *trans); 35276e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 35376e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 35465aebfc0SVivien Didelot int (*port_vlan_dump)(struct dsa_switch *ds, int port, 35565aebfc0SVivien Didelot struct switchdev_obj_port_vlan *vlan, 35665aebfc0SVivien Didelot int (*cb)(struct switchdev_obj *obj)); 35711149536SVivien Didelot 35811149536SVivien Didelot /* 3592a778e1bSVivien Didelot * Forwarding database 3602a778e1bSVivien Didelot */ 361146a3206SVivien Didelot int (*port_fdb_prepare)(struct dsa_switch *ds, int port, 362146a3206SVivien Didelot const struct switchdev_obj_port_fdb *fdb, 363146a3206SVivien Didelot struct switchdev_trans *trans); 3648497aa61SVivien Didelot void (*port_fdb_add)(struct dsa_switch *ds, int port, 3651f36faf2SVivien Didelot const struct switchdev_obj_port_fdb *fdb, 3661f36faf2SVivien Didelot struct switchdev_trans *trans); 3672a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 3688057b3e7SVivien Didelot const struct switchdev_obj_port_fdb *fdb); 369ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 370ea70ba98SVivien Didelot struct switchdev_obj_port_fdb *fdb, 371ea70ba98SVivien Didelot int (*cb)(struct switchdev_obj *obj)); 372c8f0b869SBen Hutchings }; 373c8f0b869SBen Hutchings 374c8f0b869SBen Hutchings void register_switch_driver(struct dsa_switch_driver *type); 375c8f0b869SBen Hutchings void unregister_switch_driver(struct dsa_switch_driver *type); 376b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 377c8f0b869SBen Hutchings 3787fa857edSFlorian Fainelli static inline void *ds_to_priv(struct dsa_switch *ds) 3797fa857edSFlorian Fainelli { 3807543a6d5SAndrew Lunn return ds->priv; 3817fa857edSFlorian Fainelli } 3827fa857edSFlorian Fainelli 3835aed85ceSFlorian Fainelli static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst) 3845aed85ceSFlorian Fainelli { 3855075314eSAlexander Duyck return dst->rcv != NULL; 3865aed85ceSFlorian Fainelli } 38783c0afaeSAndrew Lunn 38883c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 38983c0afaeSAndrew Lunn int dsa_register_switch(struct dsa_switch *ds, struct device_node *np); 390ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 391ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 392ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 393ea825e70SFlorian Fainelli #else 394ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 395ea825e70SFlorian Fainelli { 396ea825e70SFlorian Fainelli return 0; 397ea825e70SFlorian Fainelli } 398ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 399ea825e70SFlorian Fainelli { 400ea825e70SFlorian Fainelli return 0; 401ea825e70SFlorian Fainelli } 402ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 403ea825e70SFlorian Fainelli 40491da11f8SLennert Buytenhek #endif 405