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; 144c8b09808SAndrew Lunn }; 145c8b09808SAndrew Lunn 146c8f0b869SBen Hutchings struct dsa_switch { 147c33063d6SAndrew Lunn struct device *dev; 148c33063d6SAndrew Lunn 149c8f0b869SBen Hutchings /* 150c8f0b869SBen Hutchings * Parent switch tree, and switch index. 151c8f0b869SBen Hutchings */ 152c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 153c8f0b869SBen Hutchings int index; 154c8f0b869SBen Hutchings 155c8f0b869SBen Hutchings /* 1567543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 1577543a6d5SAndrew Lunn * structure. 1587543a6d5SAndrew Lunn */ 1597543a6d5SAndrew Lunn void *priv; 1607543a6d5SAndrew Lunn 1617543a6d5SAndrew Lunn /* 162c8f0b869SBen Hutchings * Configuration data for this switch. 163c8f0b869SBen Hutchings */ 164ff04955cSAndrew Lunn struct dsa_chip_data *cd; 165c8f0b869SBen Hutchings 166c8f0b869SBen Hutchings /* 167c8f0b869SBen Hutchings * The used switch driver. 168c8f0b869SBen Hutchings */ 169c8f0b869SBen Hutchings struct dsa_switch_driver *drv; 170c8f0b869SBen Hutchings 17166472fc0SAndrew Lunn /* 17266472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 17366472fc0SAndrew Lunn * switch should be used to send packets to that are destined 17466472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 17566472fc0SAndrew Lunn */ 17666472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 17766472fc0SAndrew Lunn 17851579c3fSGuenter Roeck #ifdef CONFIG_NET_DSA_HWMON 17951579c3fSGuenter Roeck /* 18051579c3fSGuenter Roeck * Hardware monitoring information 18151579c3fSGuenter Roeck */ 18251579c3fSGuenter Roeck char hwmon_name[IFNAMSIZ + 8]; 18351579c3fSGuenter Roeck struct device *hwmon_dev; 18451579c3fSGuenter Roeck #endif 18551579c3fSGuenter Roeck 186c8f0b869SBen Hutchings /* 18783c0afaeSAndrew Lunn * The lower device this switch uses to talk to the host 18883c0afaeSAndrew Lunn */ 18983c0afaeSAndrew Lunn struct net_device *master_netdev; 19083c0afaeSAndrew Lunn 19183c0afaeSAndrew Lunn /* 192c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 193c8f0b869SBen Hutchings */ 194c8f0b869SBen Hutchings u32 dsa_port_mask; 19583c0afaeSAndrew Lunn u32 cpu_port_mask; 19674c3e2a5SAndrew Lunn u32 enabled_port_mask; 1970d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 198c8b09808SAndrew Lunn struct dsa_port ports[DSA_MAX_PORTS]; 199c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 200c8f0b869SBen Hutchings }; 201c8f0b869SBen Hutchings 202c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 203c8f0b869SBen Hutchings { 204c8f0b869SBen Hutchings return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port); 205c8f0b869SBen Hutchings } 206c8f0b869SBen Hutchings 20760045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 20860045cbfSAndrew Lunn { 20960045cbfSAndrew Lunn return !!((ds->dsa_port_mask) & (1 << p)); 21060045cbfSAndrew Lunn } 21160045cbfSAndrew Lunn 212d79d2107SGuenter Roeck static inline bool dsa_is_port_initialized(struct dsa_switch *ds, int p) 213d79d2107SGuenter Roeck { 214c8b09808SAndrew Lunn return ds->enabled_port_mask & (1 << p) && ds->ports[p].netdev; 215d79d2107SGuenter Roeck } 216d79d2107SGuenter Roeck 217c8f0b869SBen Hutchings static inline u8 dsa_upstream_port(struct dsa_switch *ds) 218c8f0b869SBen Hutchings { 219c8f0b869SBen Hutchings struct dsa_switch_tree *dst = ds->dst; 220c8f0b869SBen Hutchings 221c8f0b869SBen Hutchings /* 222c8f0b869SBen Hutchings * If this is the root switch (i.e. the switch that connects 223c8f0b869SBen Hutchings * to the CPU), return the cpu port number on this switch. 224c8f0b869SBen Hutchings * Else return the (DSA) port number that connects to the 225c8f0b869SBen Hutchings * switch that is one hop closer to the cpu. 226c8f0b869SBen Hutchings */ 227c8f0b869SBen Hutchings if (dst->cpu_switch == ds->index) 228c8f0b869SBen Hutchings return dst->cpu_port; 229c8f0b869SBen Hutchings else 23066472fc0SAndrew Lunn return ds->rtable[dst->cpu_switch]; 231c8f0b869SBen Hutchings } 232c8f0b869SBen Hutchings 233146a3206SVivien Didelot struct switchdev_trans; 234ea70ba98SVivien Didelot struct switchdev_obj; 235146a3206SVivien Didelot struct switchdev_obj_port_fdb; 23676e398a6SVivien Didelot struct switchdev_obj_port_vlan; 237146a3206SVivien Didelot 238c8f0b869SBen Hutchings struct dsa_switch_driver { 239c8f0b869SBen Hutchings struct list_head list; 240c8f0b869SBen Hutchings 241ac7a04c3SFlorian Fainelli enum dsa_tag_protocol tag_protocol; 242c8f0b869SBen Hutchings 243c8f0b869SBen Hutchings /* 244c8f0b869SBen Hutchings * Probing and setup. 245c8f0b869SBen Hutchings */ 2460209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 2470209d144SVivien Didelot struct device *host_dev, int sw_addr, 2480209d144SVivien Didelot void **priv); 249c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 250c8f0b869SBen Hutchings int (*set_addr)(struct dsa_switch *ds, u8 *addr); 2516819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 252c8f0b869SBen Hutchings 253c8f0b869SBen Hutchings /* 254c8f0b869SBen Hutchings * Access to the switch's PHY registers. 255c8f0b869SBen Hutchings */ 256c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 257c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 258c8f0b869SBen Hutchings int regnum, u16 val); 259c8f0b869SBen Hutchings 260c8f0b869SBen Hutchings /* 261ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 262ec9436baSFlorian Fainelli */ 263ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 264ec9436baSFlorian Fainelli struct phy_device *phydev); 265ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 266ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 267ec9436baSFlorian Fainelli 268ec9436baSFlorian Fainelli /* 269c8f0b869SBen Hutchings * ethtool hardware statistics. 270c8f0b869SBen Hutchings */ 271c8f0b869SBen Hutchings void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); 272c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 273c8f0b869SBen Hutchings int port, uint64_t *data); 274c8f0b869SBen Hutchings int (*get_sset_count)(struct dsa_switch *ds); 27524462549SFlorian Fainelli 27624462549SFlorian Fainelli /* 27719e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 27819e57c4eSFlorian Fainelli */ 27919e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 28019e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 28119e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 28219e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 28319e57c4eSFlorian Fainelli 28419e57c4eSFlorian Fainelli /* 28524462549SFlorian Fainelli * Suspend and resume 28624462549SFlorian Fainelli */ 28724462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 28824462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 289b2f2af21SFlorian Fainelli 290b2f2af21SFlorian Fainelli /* 291b2f2af21SFlorian Fainelli * Port enable/disable 292b2f2af21SFlorian Fainelli */ 293b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 294b2f2af21SFlorian Fainelli struct phy_device *phy); 295b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 296b2f2af21SFlorian Fainelli struct phy_device *phy); 2977905288fSFlorian Fainelli 2987905288fSFlorian Fainelli /* 2997905288fSFlorian Fainelli * EEE setttings 3007905288fSFlorian Fainelli */ 3017905288fSFlorian Fainelli int (*set_eee)(struct dsa_switch *ds, int port, 3027905288fSFlorian Fainelli struct phy_device *phydev, 3037905288fSFlorian Fainelli struct ethtool_eee *e); 3047905288fSFlorian Fainelli int (*get_eee)(struct dsa_switch *ds, int port, 3057905288fSFlorian Fainelli struct ethtool_eee *e); 30651579c3fSGuenter Roeck 30751579c3fSGuenter Roeck #ifdef CONFIG_NET_DSA_HWMON 30851579c3fSGuenter Roeck /* Hardware monitoring */ 30951579c3fSGuenter Roeck int (*get_temp)(struct dsa_switch *ds, int *temp); 31051579c3fSGuenter Roeck int (*get_temp_limit)(struct dsa_switch *ds, int *temp); 31151579c3fSGuenter Roeck int (*set_temp_limit)(struct dsa_switch *ds, int temp); 31251579c3fSGuenter Roeck int (*get_temp_alarm)(struct dsa_switch *ds, bool *alarm); 31351579c3fSGuenter Roeck #endif 3146793abb4SGuenter Roeck 3156793abb4SGuenter Roeck /* EEPROM access */ 3166793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 3176793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 3186793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3196793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 3206793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3213d762a0fSGuenter Roeck 3223d762a0fSGuenter Roeck /* 3233d762a0fSGuenter Roeck * Register access. 3243d762a0fSGuenter Roeck */ 3253d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 3263d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 3273d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 328b73adef6SFlorian Fainelli 329b73adef6SFlorian Fainelli /* 330b73adef6SFlorian Fainelli * Bridge integration 331b73adef6SFlorian Fainelli */ 33271327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 333a6692754SVivien Didelot struct net_device *bridge); 33416bfa702SVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port); 33543c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 336b73adef6SFlorian Fainelli u8 state); 3372a778e1bSVivien Didelot 3382a778e1bSVivien Didelot /* 33911149536SVivien Didelot * VLAN support 34011149536SVivien Didelot */ 341fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 342fb2dabadSVivien Didelot bool vlan_filtering); 34376e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 34476e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 34576e398a6SVivien Didelot struct switchdev_trans *trans); 3464d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 34776e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 34876e398a6SVivien Didelot struct switchdev_trans *trans); 34976e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 35076e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 35165aebfc0SVivien Didelot int (*port_vlan_dump)(struct dsa_switch *ds, int port, 35265aebfc0SVivien Didelot struct switchdev_obj_port_vlan *vlan, 35365aebfc0SVivien Didelot int (*cb)(struct switchdev_obj *obj)); 35411149536SVivien Didelot 35511149536SVivien Didelot /* 3562a778e1bSVivien Didelot * Forwarding database 3572a778e1bSVivien Didelot */ 358146a3206SVivien Didelot int (*port_fdb_prepare)(struct dsa_switch *ds, int port, 359146a3206SVivien Didelot const struct switchdev_obj_port_fdb *fdb, 360146a3206SVivien Didelot struct switchdev_trans *trans); 3618497aa61SVivien Didelot void (*port_fdb_add)(struct dsa_switch *ds, int port, 3621f36faf2SVivien Didelot const struct switchdev_obj_port_fdb *fdb, 3631f36faf2SVivien Didelot struct switchdev_trans *trans); 3642a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 3658057b3e7SVivien Didelot const struct switchdev_obj_port_fdb *fdb); 366ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 367ea70ba98SVivien Didelot struct switchdev_obj_port_fdb *fdb, 368ea70ba98SVivien Didelot int (*cb)(struct switchdev_obj *obj)); 369c8f0b869SBen Hutchings }; 370c8f0b869SBen Hutchings 371c8f0b869SBen Hutchings void register_switch_driver(struct dsa_switch_driver *type); 372c8f0b869SBen Hutchings void unregister_switch_driver(struct dsa_switch_driver *type); 373b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 374c8f0b869SBen Hutchings 3757fa857edSFlorian Fainelli static inline void *ds_to_priv(struct dsa_switch *ds) 3767fa857edSFlorian Fainelli { 3777543a6d5SAndrew Lunn return ds->priv; 3787fa857edSFlorian Fainelli } 3797fa857edSFlorian Fainelli 3805aed85ceSFlorian Fainelli static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst) 3815aed85ceSFlorian Fainelli { 3825075314eSAlexander Duyck return dst->rcv != NULL; 3835aed85ceSFlorian Fainelli } 38483c0afaeSAndrew Lunn 38583c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 38683c0afaeSAndrew Lunn int dsa_register_switch(struct dsa_switch *ds, struct device_node *np); 38791da11f8SLennert Buytenhek #endif 388