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 144d56a29fSRussell King #include <linux/if.h> 15ea1f51beSAxel Lin #include <linux/if_ether.h> 16c8f0b869SBen Hutchings #include <linux/list.h> 17f515f192SVivien Didelot #include <linux/notifier.h> 18cf50dcc2SBen Hutchings #include <linux/timer.h> 19cf50dcc2SBen Hutchings #include <linux/workqueue.h> 20fa981d9aSFlorian Fainelli #include <linux/of.h> 21a2820543SFlorian Fainelli #include <linux/ethtool.h> 2296567d5dSAndrew Lunn #include <net/devlink.h> 23f0c24ccfSVivien Didelot #include <net/switchdev.h> 24cf50dcc2SBen Hutchings 25f50f2127SFlorian Fainelli struct tc_action; 264d56a29fSRussell King struct phy_device; 274d56a29fSRussell King struct fixed_phy_status; 28f50f2127SFlorian Fainelli 29ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 30ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_NONE = 0, 31ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_BRCM, 32eb7b7211SAndrew Lunn DSA_TAG_PROTO_DSA, 33eb7b7211SAndrew Lunn DSA_TAG_PROTO_EDSA, 348b8010fbSWoojung Huh DSA_TAG_PROTO_KSZ, 35e8fe177aSJuergen Beisert DSA_TAG_PROTO_LAN9303, 36eb7b7211SAndrew Lunn DSA_TAG_PROTO_MTK, 37eb7b7211SAndrew Lunn DSA_TAG_PROTO_QCA, 38eb7b7211SAndrew Lunn DSA_TAG_PROTO_TRAILER, 3939a7f2a4SAndrew Lunn DSA_TAG_LAST, /* MUST BE LAST */ 40ac7a04c3SFlorian Fainelli }; 415037d532SFlorian Fainelli 42e84665c9SLennert Buytenhek #define DSA_MAX_SWITCHES 4 4391da11f8SLennert Buytenhek #define DSA_MAX_PORTS 12 4491da11f8SLennert Buytenhek 45d390238cSVivien Didelot #define DSA_RTABLE_NONE -1 46d390238cSVivien Didelot 47e84665c9SLennert Buytenhek struct dsa_chip_data { 48e84665c9SLennert Buytenhek /* 49e84665c9SLennert Buytenhek * How to access the switch configuration registers. 50e84665c9SLennert Buytenhek */ 51b4d2394dSAlexander Duyck struct device *host_dev; 52e84665c9SLennert Buytenhek int sw_addr; 53e84665c9SLennert Buytenhek 5471e0bbdeSFlorian Fainelli /* 5571e0bbdeSFlorian Fainelli * Reference to network devices 5671e0bbdeSFlorian Fainelli */ 5771e0bbdeSFlorian Fainelli struct device *netdev[DSA_MAX_PORTS]; 5871e0bbdeSFlorian Fainelli 596793abb4SGuenter Roeck /* set to size of eeprom if supported by the switch */ 606793abb4SGuenter Roeck int eeprom_len; 616793abb4SGuenter Roeck 62fa981d9aSFlorian Fainelli /* Device tree node pointer for this specific switch chip 63fa981d9aSFlorian Fainelli * used during switch setup in case additional properties 64fa981d9aSFlorian Fainelli * and resources needs to be used 65fa981d9aSFlorian Fainelli */ 66fa981d9aSFlorian Fainelli struct device_node *of_node; 67fa981d9aSFlorian Fainelli 68e84665c9SLennert Buytenhek /* 69e84665c9SLennert Buytenhek * The names of the switch's ports. Use "cpu" to 70e84665c9SLennert Buytenhek * designate the switch port that the cpu is connected to, 71e84665c9SLennert Buytenhek * "dsa" to indicate that this port is a DSA link to 72e84665c9SLennert Buytenhek * another switch, NULL to indicate the port is unused, 73e84665c9SLennert Buytenhek * or any other string to indicate this is a physical port. 74e84665c9SLennert Buytenhek */ 75e84665c9SLennert Buytenhek char *port_names[DSA_MAX_PORTS]; 76bd47497aSFlorian Fainelli struct device_node *port_dn[DSA_MAX_PORTS]; 77e84665c9SLennert Buytenhek 78e84665c9SLennert Buytenhek /* 794a7704ffSAndrew Lunn * An array of which element [a] indicates which port on this 804a7704ffSAndrew Lunn * switch should be used to send packets to that are destined 814a7704ffSAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 82e84665c9SLennert Buytenhek */ 834a7704ffSAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 84e84665c9SLennert Buytenhek }; 85e84665c9SLennert Buytenhek 8691da11f8SLennert Buytenhek struct dsa_platform_data { 8791da11f8SLennert Buytenhek /* 8891da11f8SLennert Buytenhek * Reference to a Linux network interface that connects 89e84665c9SLennert Buytenhek * to the root switch chip of the tree. 9091da11f8SLennert Buytenhek */ 9191da11f8SLennert Buytenhek struct device *netdev; 92769a0202SFlorian Fainelli struct net_device *of_netdev; 9391da11f8SLennert Buytenhek 9491da11f8SLennert Buytenhek /* 95e84665c9SLennert Buytenhek * Info structs describing each of the switch chips 96e84665c9SLennert Buytenhek * connected via this network interface. 9791da11f8SLennert Buytenhek */ 98e84665c9SLennert Buytenhek int nr_chips; 99e84665c9SLennert Buytenhek struct dsa_chip_data *chip; 10091da11f8SLennert Buytenhek }; 10191da11f8SLennert Buytenhek 1025075314eSAlexander Duyck struct packet_type; 1033e8a72d1SFlorian Fainelli 10468277a2cSJohn Crispin struct dsa_device_ops { 10568277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 10668277a2cSJohn Crispin struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 10789e49506SFlorian Westphal struct packet_type *pt); 108598a9680SJohn Crispin int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 109598a9680SJohn Crispin int *offset); 11068277a2cSJohn Crispin }; 11168277a2cSJohn Crispin 112cf50dcc2SBen Hutchings struct dsa_switch_tree { 11383c0afaeSAndrew Lunn struct list_head list; 11483c0afaeSAndrew Lunn 115f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 116f515f192SVivien Didelot struct raw_notifier_head nh; 117f515f192SVivien Didelot 11883c0afaeSAndrew Lunn /* Tree identifier */ 11983c0afaeSAndrew Lunn u32 tree; 12083c0afaeSAndrew Lunn 12183c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 12283c0afaeSAndrew Lunn struct kref refcount; 12383c0afaeSAndrew Lunn 12483c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 12583c0afaeSAndrew Lunn bool applied; 12683c0afaeSAndrew Lunn 127cf50dcc2SBen Hutchings /* 128cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 129cf50dcc2SBen Hutchings * this dsa switch tree instance. 130cf50dcc2SBen Hutchings */ 131cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 132cf85d08fSLennert Buytenhek 13373a7ece8SVivien Didelot /* Copy of tag_ops->rcv for faster access in hot path */ 134a86d8becSFlorian Fainelli struct sk_buff * (*rcv)(struct sk_buff *skb, 1355075314eSAlexander Duyck struct net_device *dev, 13689e49506SFlorian Westphal struct packet_type *pt); 137cf50dcc2SBen Hutchings 138cf50dcc2SBen Hutchings /* 1398b0d3ea5SVivien Didelot * The switch port to which the CPU is attached. 140cf50dcc2SBen Hutchings */ 1418b0d3ea5SVivien Didelot struct dsa_port *cpu_dp; 142cf50dcc2SBen Hutchings 143cf50dcc2SBen Hutchings /* 144cf50dcc2SBen Hutchings * Data for the individual switch chips. 145cf50dcc2SBen Hutchings */ 146cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 14739a7f2a4SAndrew Lunn 14839a7f2a4SAndrew Lunn /* 14939a7f2a4SAndrew Lunn * Tagging protocol operations for adding and removing an 15039a7f2a4SAndrew Lunn * encapsulation tag. 15139a7f2a4SAndrew Lunn */ 15239a7f2a4SAndrew Lunn const struct dsa_device_ops *tag_ops; 153cf50dcc2SBen Hutchings }; 154cf50dcc2SBen Hutchings 155f50f2127SFlorian Fainelli /* TC matchall action types, only mirroring for now */ 156f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 157f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 158f50f2127SFlorian Fainelli }; 159f50f2127SFlorian Fainelli 160f50f2127SFlorian Fainelli /* TC mirroring entry */ 161f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 162f50f2127SFlorian Fainelli u8 to_local_port; 163f50f2127SFlorian Fainelli bool ingress; 164f50f2127SFlorian Fainelli }; 165f50f2127SFlorian Fainelli 166f50f2127SFlorian Fainelli /* TC matchall entry */ 167f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 168f50f2127SFlorian Fainelli struct list_head list; 169f50f2127SFlorian Fainelli unsigned long cookie; 170f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 171f50f2127SFlorian Fainelli union { 172f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 173f50f2127SFlorian Fainelli }; 174f50f2127SFlorian Fainelli }; 175f50f2127SFlorian Fainelli 176f50f2127SFlorian Fainelli 177c8b09808SAndrew Lunn struct dsa_port { 17815240248SVivien Didelot /* CPU port tagging operations used by master or slave devices */ 17915240248SVivien Didelot const struct dsa_device_ops *tag_ops; 18015240248SVivien Didelot 1813e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 1823e41f93bSVivien Didelot struct dsa_switch_tree *dst; 1833e41f93bSVivien Didelot struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 1843e41f93bSVivien Didelot struct packet_type *pt); 1853e41f93bSVivien Didelot 186818be848SVivien Didelot struct dsa_switch *ds; 187818be848SVivien Didelot unsigned int index; 18871e0bbdeSFlorian Fainelli const char *name; 189a29342e7SFlorian Fainelli struct dsa_port *cpu_dp; 190c8b09808SAndrew Lunn struct net_device *netdev; 191189b0d93SAndrew Lunn struct device_node *dn; 19234a79f63SVivien Didelot unsigned int ageing_time; 193732f794cSVivien Didelot u8 stp_state; 194a5e9a02eSVivien Didelot struct net_device *bridge_dev; 19596567d5dSAndrew Lunn struct devlink_port devlink_port; 19667dbb9d4SFlorian Fainelli /* 19767dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 19867dbb9d4SFlorian Fainelli */ 19967dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 200c8b09808SAndrew Lunn }; 201c8b09808SAndrew Lunn 202c8f0b869SBen Hutchings struct dsa_switch { 203c33063d6SAndrew Lunn struct device *dev; 204c33063d6SAndrew Lunn 205c8f0b869SBen Hutchings /* 206c8f0b869SBen Hutchings * Parent switch tree, and switch index. 207c8f0b869SBen Hutchings */ 208c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 209c8f0b869SBen Hutchings int index; 210c8f0b869SBen Hutchings 211f515f192SVivien Didelot /* Listener for switch fabric events */ 212f515f192SVivien Didelot struct notifier_block nb; 213f515f192SVivien Didelot 214c8f0b869SBen Hutchings /* 2157543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 2167543a6d5SAndrew Lunn * structure. 2177543a6d5SAndrew Lunn */ 2187543a6d5SAndrew Lunn void *priv; 2197543a6d5SAndrew Lunn 2207543a6d5SAndrew Lunn /* 221c8f0b869SBen Hutchings * Configuration data for this switch. 222c8f0b869SBen Hutchings */ 223ff04955cSAndrew Lunn struct dsa_chip_data *cd; 224c8f0b869SBen Hutchings 225c8f0b869SBen Hutchings /* 2269d490b4eSVivien Didelot * The switch operations. 227c8f0b869SBen Hutchings */ 228a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 229c8f0b869SBen Hutchings 23066472fc0SAndrew Lunn /* 23166472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 23266472fc0SAndrew Lunn * switch should be used to send packets to that are destined 23366472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 23466472fc0SAndrew Lunn */ 23566472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 23666472fc0SAndrew Lunn 237c8f0b869SBen Hutchings /* 238c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 239c8f0b869SBen Hutchings */ 240c8f0b869SBen Hutchings u32 dsa_port_mask; 24183c0afaeSAndrew Lunn u32 cpu_port_mask; 24274c3e2a5SAndrew Lunn u32 enabled_port_mask; 2430d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 244c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 245a0c02161SVivien Didelot 2460f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 2470f3da6afSVivien Didelot unsigned int ageing_time_min; 2480f3da6afSVivien Didelot unsigned int ageing_time_max; 2490f3da6afSVivien Didelot 25096567d5dSAndrew Lunn /* devlink used to represent this switch device */ 25196567d5dSAndrew Lunn struct devlink *devlink; 25296567d5dSAndrew Lunn 25355199df6SFlorian Fainelli /* Number of switch port queues */ 25455199df6SFlorian Fainelli unsigned int num_tx_queues; 25555199df6SFlorian Fainelli 256a0c02161SVivien Didelot /* Dynamically allocated ports, keep last */ 257a0c02161SVivien Didelot size_t num_ports; 258a0c02161SVivien Didelot struct dsa_port ports[]; 259c8f0b869SBen Hutchings }; 260c8f0b869SBen Hutchings 261c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 262c8f0b869SBen Hutchings { 26314be36c2SFlorian Fainelli return !!(ds->cpu_port_mask & (1 << p)); 264c8f0b869SBen Hutchings } 265c8f0b869SBen Hutchings 26660045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 26760045cbfSAndrew Lunn { 26860045cbfSAndrew Lunn return !!((ds->dsa_port_mask) & (1 << p)); 26960045cbfSAndrew Lunn } 27060045cbfSAndrew Lunn 2716cd456f3SVivien Didelot static inline bool dsa_is_normal_port(struct dsa_switch *ds, int p) 2726cd456f3SVivien Didelot { 2736cd456f3SVivien Didelot return !dsa_is_cpu_port(ds, p) && !dsa_is_dsa_port(ds, p); 2746cd456f3SVivien Didelot } 2756cd456f3SVivien Didelot 276c8f0b869SBen Hutchings static inline u8 dsa_upstream_port(struct dsa_switch *ds) 277c8f0b869SBen Hutchings { 278c8f0b869SBen Hutchings struct dsa_switch_tree *dst = ds->dst; 279c8f0b869SBen Hutchings 280c8f0b869SBen Hutchings /* 281c8f0b869SBen Hutchings * If this is the root switch (i.e. the switch that connects 282c8f0b869SBen Hutchings * to the CPU), return the cpu port number on this switch. 283c8f0b869SBen Hutchings * Else return the (DSA) port number that connects to the 284c8f0b869SBen Hutchings * switch that is one hop closer to the cpu. 285c8f0b869SBen Hutchings */ 2868b0d3ea5SVivien Didelot if (dst->cpu_dp->ds == ds) 2878b0d3ea5SVivien Didelot return dst->cpu_dp->index; 288c8f0b869SBen Hutchings else 2898b0d3ea5SVivien Didelot return ds->rtable[dst->cpu_dp->ds->index]; 290c8f0b869SBen Hutchings } 291c8f0b869SBen Hutchings 2922bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 2932bedde1aSArkadi Sharshevsky bool is_static, void *data); 2949d490b4eSVivien Didelot struct dsa_switch_ops { 295c8f0b869SBen Hutchings /* 296a6a71f19SVivien Didelot * Legacy probing. 297c8f0b869SBen Hutchings */ 2980209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 2990209d144SVivien Didelot struct device *host_dev, int sw_addr, 3000209d144SVivien Didelot void **priv); 3017b314362SAndrew Lunn 3027b314362SAndrew Lunn enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds); 3037b314362SAndrew Lunn 304c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 305c8f0b869SBen Hutchings int (*set_addr)(struct dsa_switch *ds, u8 *addr); 3066819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 307c8f0b869SBen Hutchings 308c8f0b869SBen Hutchings /* 309c8f0b869SBen Hutchings * Access to the switch's PHY registers. 310c8f0b869SBen Hutchings */ 311c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 312c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 313c8f0b869SBen Hutchings int regnum, u16 val); 314c8f0b869SBen Hutchings 315c8f0b869SBen Hutchings /* 316ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 317ec9436baSFlorian Fainelli */ 318ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 319ec9436baSFlorian Fainelli struct phy_device *phydev); 320ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 321ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 322ec9436baSFlorian Fainelli 323ec9436baSFlorian Fainelli /* 324c8f0b869SBen Hutchings * ethtool hardware statistics. 325c8f0b869SBen Hutchings */ 326c8f0b869SBen Hutchings void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); 327c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 328c8f0b869SBen Hutchings int port, uint64_t *data); 329c8f0b869SBen Hutchings int (*get_sset_count)(struct dsa_switch *ds); 33024462549SFlorian Fainelli 33124462549SFlorian Fainelli /* 33219e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 33319e57c4eSFlorian Fainelli */ 33419e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 33519e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 33619e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 33719e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 33819e57c4eSFlorian Fainelli 33919e57c4eSFlorian Fainelli /* 34024462549SFlorian Fainelli * Suspend and resume 34124462549SFlorian Fainelli */ 34224462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 34324462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 344b2f2af21SFlorian Fainelli 345b2f2af21SFlorian Fainelli /* 346b2f2af21SFlorian Fainelli * Port enable/disable 347b2f2af21SFlorian Fainelli */ 348b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 349b2f2af21SFlorian Fainelli struct phy_device *phy); 350b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 351b2f2af21SFlorian Fainelli struct phy_device *phy); 3527905288fSFlorian Fainelli 3537905288fSFlorian Fainelli /* 35408f50061SVivien Didelot * Port's MAC EEE settings 3557905288fSFlorian Fainelli */ 35608f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 3577905288fSFlorian Fainelli struct ethtool_eee *e); 35808f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 3597905288fSFlorian Fainelli struct ethtool_eee *e); 36051579c3fSGuenter Roeck 3616793abb4SGuenter Roeck /* EEPROM access */ 3626793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 3636793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 3646793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3656793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 3666793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3673d762a0fSGuenter Roeck 3683d762a0fSGuenter Roeck /* 3693d762a0fSGuenter Roeck * Register access. 3703d762a0fSGuenter Roeck */ 3713d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 3723d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 3733d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 374b73adef6SFlorian Fainelli 375b73adef6SFlorian Fainelli /* 376b73adef6SFlorian Fainelli * Bridge integration 377b73adef6SFlorian Fainelli */ 37834a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 37971327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 380a6692754SVivien Didelot struct net_device *bridge); 381f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 382f123f2fbSVivien Didelot struct net_device *bridge); 38343c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 384b73adef6SFlorian Fainelli u8 state); 385732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 3862a778e1bSVivien Didelot 3872a778e1bSVivien Didelot /* 38811149536SVivien Didelot * VLAN support 38911149536SVivien Didelot */ 390fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 391fb2dabadSVivien Didelot bool vlan_filtering); 39276e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 39376e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 39476e398a6SVivien Didelot struct switchdev_trans *trans); 3954d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 39676e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 39776e398a6SVivien Didelot struct switchdev_trans *trans); 39876e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 39976e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 40011149536SVivien Didelot /* 4012a778e1bSVivien Didelot * Forwarding database 4022a778e1bSVivien Didelot */ 4031b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 4046c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 4052a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 4066c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 407ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 4082bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 4098df30255SVivien Didelot 4108df30255SVivien Didelot /* 4118df30255SVivien Didelot * Multicast database 4128df30255SVivien Didelot */ 4138df30255SVivien Didelot int (*port_mdb_prepare)(struct dsa_switch *ds, int port, 4148df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4158df30255SVivien Didelot struct switchdev_trans *trans); 4168df30255SVivien Didelot void (*port_mdb_add)(struct dsa_switch *ds, int port, 4178df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4188df30255SVivien Didelot struct switchdev_trans *trans); 4198df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 4208df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 421bf9f2648SFlorian Fainelli /* 422bf9f2648SFlorian Fainelli * RXNFC 423bf9f2648SFlorian Fainelli */ 424bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 425bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 426bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 427bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 428f50f2127SFlorian Fainelli 429f50f2127SFlorian Fainelli /* 430f50f2127SFlorian Fainelli * TC integration 431f50f2127SFlorian Fainelli */ 432f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 433f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 434f50f2127SFlorian Fainelli bool ingress); 435f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 436f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 43740ef2c93SVivien Didelot 43840ef2c93SVivien Didelot /* 43940ef2c93SVivien Didelot * Cross-chip operations 44040ef2c93SVivien Didelot */ 44140ef2c93SVivien Didelot int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, 44240ef2c93SVivien Didelot int port, struct net_device *br); 44340ef2c93SVivien Didelot void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, 44440ef2c93SVivien Didelot int port, struct net_device *br); 445c8f0b869SBen Hutchings }; 446c8f0b869SBen Hutchings 447ab3d408dSFlorian Fainelli struct dsa_switch_driver { 448ab3d408dSFlorian Fainelli struct list_head list; 449a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 450ab3d408dSFlorian Fainelli }; 451ab3d408dSFlorian Fainelli 452a6a71f19SVivien Didelot /* Legacy driver registration */ 453ab3d408dSFlorian Fainelli void register_switch_driver(struct dsa_switch_driver *type); 454ab3d408dSFlorian Fainelli void unregister_switch_driver(struct dsa_switch_driver *type); 455b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 456a6a71f19SVivien Didelot 45714b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 458c8f0b869SBen Hutchings 45973a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 460c6e970a0SAndrew Lunn static inline bool netdev_uses_dsa(struct net_device *dev) 461c6e970a0SAndrew Lunn { 462c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 463717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 464c6e970a0SAndrew Lunn #endif 465c6e970a0SAndrew Lunn return false; 466c6e970a0SAndrew Lunn } 467c6e970a0SAndrew Lunn 468a0c02161SVivien Didelot struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); 46983c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 47023c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 471ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 472ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 473ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 474ea825e70SFlorian Fainelli #else 475ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 476ea825e70SFlorian Fainelli { 477ea825e70SFlorian Fainelli return 0; 478ea825e70SFlorian Fainelli } 479ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 480ea825e70SFlorian Fainelli { 481ea825e70SFlorian Fainelli return 0; 482ea825e70SFlorian Fainelli } 483ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 484ea825e70SFlorian Fainelli 48591da11f8SLennert Buytenhek #endif 486