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 133cf50dcc2SBen Hutchings /* 1348b0d3ea5SVivien Didelot * The switch port to which the CPU is attached. 135cf50dcc2SBen Hutchings */ 1368b0d3ea5SVivien Didelot struct dsa_port *cpu_dp; 137cf50dcc2SBen Hutchings 138cf50dcc2SBen Hutchings /* 139cf50dcc2SBen Hutchings * Data for the individual switch chips. 140cf50dcc2SBen Hutchings */ 141cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 142cf50dcc2SBen Hutchings }; 143cf50dcc2SBen Hutchings 144f50f2127SFlorian Fainelli /* TC matchall action types, only mirroring for now */ 145f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 146f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 147f50f2127SFlorian Fainelli }; 148f50f2127SFlorian Fainelli 149f50f2127SFlorian Fainelli /* TC mirroring entry */ 150f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 151f50f2127SFlorian Fainelli u8 to_local_port; 152f50f2127SFlorian Fainelli bool ingress; 153f50f2127SFlorian Fainelli }; 154f50f2127SFlorian Fainelli 155f50f2127SFlorian Fainelli /* TC matchall entry */ 156f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 157f50f2127SFlorian Fainelli struct list_head list; 158f50f2127SFlorian Fainelli unsigned long cookie; 159f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 160f50f2127SFlorian Fainelli union { 161f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 162f50f2127SFlorian Fainelli }; 163f50f2127SFlorian Fainelli }; 164f50f2127SFlorian Fainelli 165f50f2127SFlorian Fainelli 166c8b09808SAndrew Lunn struct dsa_port { 167f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 168f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 169f8b8b1cdSVivien Didelot */ 170f8b8b1cdSVivien Didelot union { 171f8b8b1cdSVivien Didelot struct net_device *master; 172f8b8b1cdSVivien Didelot struct net_device *slave; 173f8b8b1cdSVivien Didelot }; 174f8b8b1cdSVivien Didelot 17515240248SVivien Didelot /* CPU port tagging operations used by master or slave devices */ 17615240248SVivien Didelot const struct dsa_device_ops *tag_ops; 17715240248SVivien Didelot 1783e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 1793e41f93bSVivien Didelot struct dsa_switch_tree *dst; 1803e41f93bSVivien Didelot struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 1813e41f93bSVivien Didelot struct packet_type *pt); 1823e41f93bSVivien Didelot 183818be848SVivien Didelot struct dsa_switch *ds; 184818be848SVivien Didelot unsigned int index; 18571e0bbdeSFlorian Fainelli const char *name; 186a29342e7SFlorian Fainelli struct dsa_port *cpu_dp; 187189b0d93SAndrew Lunn struct device_node *dn; 18834a79f63SVivien Didelot unsigned int ageing_time; 189732f794cSVivien Didelot u8 stp_state; 190a5e9a02eSVivien Didelot struct net_device *bridge_dev; 19196567d5dSAndrew Lunn struct devlink_port devlink_port; 19267dbb9d4SFlorian Fainelli /* 19367dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 19467dbb9d4SFlorian Fainelli */ 19567dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 196c8b09808SAndrew Lunn }; 197c8b09808SAndrew Lunn 198c8f0b869SBen Hutchings struct dsa_switch { 199c33063d6SAndrew Lunn struct device *dev; 200c33063d6SAndrew Lunn 201c8f0b869SBen Hutchings /* 202c8f0b869SBen Hutchings * Parent switch tree, and switch index. 203c8f0b869SBen Hutchings */ 204c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 205c8f0b869SBen Hutchings int index; 206c8f0b869SBen Hutchings 207f515f192SVivien Didelot /* Listener for switch fabric events */ 208f515f192SVivien Didelot struct notifier_block nb; 209f515f192SVivien Didelot 210c8f0b869SBen Hutchings /* 2117543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 2127543a6d5SAndrew Lunn * structure. 2137543a6d5SAndrew Lunn */ 2147543a6d5SAndrew Lunn void *priv; 2157543a6d5SAndrew Lunn 2167543a6d5SAndrew Lunn /* 217c8f0b869SBen Hutchings * Configuration data for this switch. 218c8f0b869SBen Hutchings */ 219ff04955cSAndrew Lunn struct dsa_chip_data *cd; 220c8f0b869SBen Hutchings 221c8f0b869SBen Hutchings /* 2229d490b4eSVivien Didelot * The switch operations. 223c8f0b869SBen Hutchings */ 224a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 225c8f0b869SBen Hutchings 22666472fc0SAndrew Lunn /* 22766472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 22866472fc0SAndrew Lunn * switch should be used to send packets to that are destined 22966472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 23066472fc0SAndrew Lunn */ 23166472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 23266472fc0SAndrew Lunn 233c8f0b869SBen Hutchings /* 234c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 235c8f0b869SBen Hutchings */ 236c8f0b869SBen Hutchings u32 dsa_port_mask; 23783c0afaeSAndrew Lunn u32 cpu_port_mask; 23874c3e2a5SAndrew Lunn u32 enabled_port_mask; 2390d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 240c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 241a0c02161SVivien Didelot 2420f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 2430f3da6afSVivien Didelot unsigned int ageing_time_min; 2440f3da6afSVivien Didelot unsigned int ageing_time_max; 2450f3da6afSVivien Didelot 24696567d5dSAndrew Lunn /* devlink used to represent this switch device */ 24796567d5dSAndrew Lunn struct devlink *devlink; 24896567d5dSAndrew Lunn 24955199df6SFlorian Fainelli /* Number of switch port queues */ 25055199df6SFlorian Fainelli unsigned int num_tx_queues; 25155199df6SFlorian Fainelli 252a0c02161SVivien Didelot /* Dynamically allocated ports, keep last */ 253a0c02161SVivien Didelot size_t num_ports; 254a0c02161SVivien Didelot struct dsa_port ports[]; 255c8f0b869SBen Hutchings }; 256c8f0b869SBen Hutchings 257c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 258c8f0b869SBen Hutchings { 25914be36c2SFlorian Fainelli return !!(ds->cpu_port_mask & (1 << p)); 260c8f0b869SBen Hutchings } 261c8f0b869SBen Hutchings 26260045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 26360045cbfSAndrew Lunn { 26460045cbfSAndrew Lunn return !!((ds->dsa_port_mask) & (1 << p)); 26560045cbfSAndrew Lunn } 26660045cbfSAndrew Lunn 2676cd456f3SVivien Didelot static inline bool dsa_is_normal_port(struct dsa_switch *ds, int p) 2686cd456f3SVivien Didelot { 2696cd456f3SVivien Didelot return !dsa_is_cpu_port(ds, p) && !dsa_is_dsa_port(ds, p); 2706cd456f3SVivien Didelot } 2716cd456f3SVivien Didelot 272c8f0b869SBen Hutchings static inline u8 dsa_upstream_port(struct dsa_switch *ds) 273c8f0b869SBen Hutchings { 274c8f0b869SBen Hutchings struct dsa_switch_tree *dst = ds->dst; 275c8f0b869SBen Hutchings 276c8f0b869SBen Hutchings /* 277c8f0b869SBen Hutchings * If this is the root switch (i.e. the switch that connects 278c8f0b869SBen Hutchings * to the CPU), return the cpu port number on this switch. 279c8f0b869SBen Hutchings * Else return the (DSA) port number that connects to the 280c8f0b869SBen Hutchings * switch that is one hop closer to the cpu. 281c8f0b869SBen Hutchings */ 2828b0d3ea5SVivien Didelot if (dst->cpu_dp->ds == ds) 2838b0d3ea5SVivien Didelot return dst->cpu_dp->index; 284c8f0b869SBen Hutchings else 2858b0d3ea5SVivien Didelot return ds->rtable[dst->cpu_dp->ds->index]; 286c8f0b869SBen Hutchings } 287c8f0b869SBen Hutchings 2882bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 2892bedde1aSArkadi Sharshevsky bool is_static, void *data); 2909d490b4eSVivien Didelot struct dsa_switch_ops { 291c8f0b869SBen Hutchings /* 292a6a71f19SVivien Didelot * Legacy probing. 293c8f0b869SBen Hutchings */ 2940209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 2950209d144SVivien Didelot struct device *host_dev, int sw_addr, 2960209d144SVivien Didelot void **priv); 2977b314362SAndrew Lunn 2987b314362SAndrew Lunn enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds); 2997b314362SAndrew Lunn 300c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 3016819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 302c8f0b869SBen Hutchings 303c8f0b869SBen Hutchings /* 304c8f0b869SBen Hutchings * Access to the switch's PHY registers. 305c8f0b869SBen Hutchings */ 306c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 307c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 308c8f0b869SBen Hutchings int regnum, u16 val); 309c8f0b869SBen Hutchings 310c8f0b869SBen Hutchings /* 311ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 312ec9436baSFlorian Fainelli */ 313ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 314ec9436baSFlorian Fainelli struct phy_device *phydev); 315ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 316ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 317ec9436baSFlorian Fainelli 318ec9436baSFlorian Fainelli /* 319c8f0b869SBen Hutchings * ethtool hardware statistics. 320c8f0b869SBen Hutchings */ 321c8f0b869SBen Hutchings void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); 322c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 323c8f0b869SBen Hutchings int port, uint64_t *data); 324c8f0b869SBen Hutchings int (*get_sset_count)(struct dsa_switch *ds); 32524462549SFlorian Fainelli 32624462549SFlorian Fainelli /* 32719e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 32819e57c4eSFlorian Fainelli */ 32919e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 33019e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 33119e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 33219e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 33319e57c4eSFlorian Fainelli 33419e57c4eSFlorian Fainelli /* 33524462549SFlorian Fainelli * Suspend and resume 33624462549SFlorian Fainelli */ 33724462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 33824462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 339b2f2af21SFlorian Fainelli 340b2f2af21SFlorian Fainelli /* 341b2f2af21SFlorian Fainelli * Port enable/disable 342b2f2af21SFlorian Fainelli */ 343b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 344b2f2af21SFlorian Fainelli struct phy_device *phy); 345b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 346b2f2af21SFlorian Fainelli struct phy_device *phy); 3477905288fSFlorian Fainelli 3487905288fSFlorian Fainelli /* 34908f50061SVivien Didelot * Port's MAC EEE settings 3507905288fSFlorian Fainelli */ 35108f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 3527905288fSFlorian Fainelli struct ethtool_eee *e); 35308f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 3547905288fSFlorian Fainelli struct ethtool_eee *e); 35551579c3fSGuenter Roeck 3566793abb4SGuenter Roeck /* EEPROM access */ 3576793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 3586793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 3596793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3606793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 3616793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3623d762a0fSGuenter Roeck 3633d762a0fSGuenter Roeck /* 3643d762a0fSGuenter Roeck * Register access. 3653d762a0fSGuenter Roeck */ 3663d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 3673d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 3683d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 369b73adef6SFlorian Fainelli 370b73adef6SFlorian Fainelli /* 371b73adef6SFlorian Fainelli * Bridge integration 372b73adef6SFlorian Fainelli */ 37334a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 37471327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 375a6692754SVivien Didelot struct net_device *bridge); 376f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 377f123f2fbSVivien Didelot struct net_device *bridge); 37843c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 379b73adef6SFlorian Fainelli u8 state); 380732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 3812a778e1bSVivien Didelot 3822a778e1bSVivien Didelot /* 38311149536SVivien Didelot * VLAN support 38411149536SVivien Didelot */ 385fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 386fb2dabadSVivien Didelot bool vlan_filtering); 38776e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 38876e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 38976e398a6SVivien Didelot struct switchdev_trans *trans); 3904d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 39176e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 39276e398a6SVivien Didelot struct switchdev_trans *trans); 39376e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 39476e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 39511149536SVivien Didelot /* 3962a778e1bSVivien Didelot * Forwarding database 3972a778e1bSVivien Didelot */ 3981b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 3996c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 4002a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 4016c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 402ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 4032bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 4048df30255SVivien Didelot 4058df30255SVivien Didelot /* 4068df30255SVivien Didelot * Multicast database 4078df30255SVivien Didelot */ 4088df30255SVivien Didelot int (*port_mdb_prepare)(struct dsa_switch *ds, int port, 4098df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4108df30255SVivien Didelot struct switchdev_trans *trans); 4118df30255SVivien Didelot void (*port_mdb_add)(struct dsa_switch *ds, int port, 4128df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4138df30255SVivien Didelot struct switchdev_trans *trans); 4148df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 4158df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 416bf9f2648SFlorian Fainelli /* 417bf9f2648SFlorian Fainelli * RXNFC 418bf9f2648SFlorian Fainelli */ 419bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 420bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 421bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 422bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 423f50f2127SFlorian Fainelli 424f50f2127SFlorian Fainelli /* 425f50f2127SFlorian Fainelli * TC integration 426f50f2127SFlorian Fainelli */ 427f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 428f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 429f50f2127SFlorian Fainelli bool ingress); 430f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 431f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 43240ef2c93SVivien Didelot 43340ef2c93SVivien Didelot /* 43440ef2c93SVivien Didelot * Cross-chip operations 43540ef2c93SVivien Didelot */ 43640ef2c93SVivien Didelot int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, 43740ef2c93SVivien Didelot int port, struct net_device *br); 43840ef2c93SVivien Didelot void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, 43940ef2c93SVivien Didelot int port, struct net_device *br); 440c8f0b869SBen Hutchings }; 441c8f0b869SBen Hutchings 442ab3d408dSFlorian Fainelli struct dsa_switch_driver { 443ab3d408dSFlorian Fainelli struct list_head list; 444a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 445ab3d408dSFlorian Fainelli }; 446ab3d408dSFlorian Fainelli 447a6a71f19SVivien Didelot /* Legacy driver registration */ 448ab3d408dSFlorian Fainelli void register_switch_driver(struct dsa_switch_driver *type); 449ab3d408dSFlorian Fainelli void unregister_switch_driver(struct dsa_switch_driver *type); 450b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 451a6a71f19SVivien Didelot 45214b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 453c8f0b869SBen Hutchings 45473a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 455c6e970a0SAndrew Lunn static inline bool netdev_uses_dsa(struct net_device *dev) 456c6e970a0SAndrew Lunn { 457c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 458717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 459c6e970a0SAndrew Lunn #endif 460c6e970a0SAndrew Lunn return false; 461c6e970a0SAndrew Lunn } 462c6e970a0SAndrew Lunn 463a0c02161SVivien Didelot struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); 46483c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 46523c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 466ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 467ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 468ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 469ea825e70SFlorian Fainelli #else 470ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 471ea825e70SFlorian Fainelli { 472ea825e70SFlorian Fainelli return 0; 473ea825e70SFlorian Fainelli } 474ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 475ea825e70SFlorian Fainelli { 476ea825e70SFlorian Fainelli return 0; 477ea825e70SFlorian Fainelli } 478ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 479ea825e70SFlorian Fainelli 48060724d4bSFlorian Fainelli enum dsa_notifier_type { 48160724d4bSFlorian Fainelli DSA_PORT_REGISTER, 48260724d4bSFlorian Fainelli DSA_PORT_UNREGISTER, 48360724d4bSFlorian Fainelli }; 48460724d4bSFlorian Fainelli 48560724d4bSFlorian Fainelli struct dsa_notifier_info { 48660724d4bSFlorian Fainelli struct net_device *dev; 48760724d4bSFlorian Fainelli }; 48860724d4bSFlorian Fainelli 48960724d4bSFlorian Fainelli struct dsa_notifier_register_info { 49060724d4bSFlorian Fainelli struct dsa_notifier_info info; /* must be first */ 49160724d4bSFlorian Fainelli struct net_device *master; 49260724d4bSFlorian Fainelli unsigned int port_number; 49360724d4bSFlorian Fainelli unsigned int switch_number; 49460724d4bSFlorian Fainelli }; 49560724d4bSFlorian Fainelli 49660724d4bSFlorian Fainelli static inline struct net_device * 49760724d4bSFlorian Fainelli dsa_notifier_info_to_dev(const struct dsa_notifier_info *info) 49860724d4bSFlorian Fainelli { 49960724d4bSFlorian Fainelli return info->dev; 50060724d4bSFlorian Fainelli } 50160724d4bSFlorian Fainelli 50260724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 50360724d4bSFlorian Fainelli int register_dsa_notifier(struct notifier_block *nb); 50460724d4bSFlorian Fainelli int unregister_dsa_notifier(struct notifier_block *nb); 50560724d4bSFlorian Fainelli int call_dsa_notifiers(unsigned long val, struct net_device *dev, 50660724d4bSFlorian Fainelli struct dsa_notifier_info *info); 50760724d4bSFlorian Fainelli #else 50860724d4bSFlorian Fainelli static inline int register_dsa_notifier(struct notifier_block *nb) 50960724d4bSFlorian Fainelli { 51060724d4bSFlorian Fainelli return 0; 51160724d4bSFlorian Fainelli } 51260724d4bSFlorian Fainelli 51360724d4bSFlorian Fainelli static inline int unregister_dsa_notifier(struct notifier_block *nb) 51460724d4bSFlorian Fainelli { 51560724d4bSFlorian Fainelli return 0; 51660724d4bSFlorian Fainelli } 51760724d4bSFlorian Fainelli 51860724d4bSFlorian Fainelli static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev, 51960724d4bSFlorian Fainelli struct dsa_notifier_info *info) 52060724d4bSFlorian Fainelli { 52160724d4bSFlorian Fainelli return NOTIFY_DONE; 52260724d4bSFlorian Fainelli } 52360724d4bSFlorian Fainelli #endif 52460724d4bSFlorian Fainelli 5250a5f14ceSFlorian Fainelli /* Broadcom tag specific helpers to insert and extract queue/port number */ 5260a5f14ceSFlorian Fainelli #define BRCM_TAG_SET_PORT_QUEUE(p, q) ((p) << 8 | q) 5270a5f14ceSFlorian Fainelli #define BRCM_TAG_GET_PORT(v) ((v) >> 8) 5280a5f14ceSFlorian Fainelli #define BRCM_TAG_GET_QUEUE(v) ((v) & 0xff) 5290a5f14ceSFlorian Fainelli 53091da11f8SLennert Buytenhek #endif 531