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 104cf50dcc2SBen Hutchings struct dsa_switch_tree { 10583c0afaeSAndrew Lunn struct list_head list; 10683c0afaeSAndrew Lunn 107f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 108f515f192SVivien Didelot struct raw_notifier_head nh; 109f515f192SVivien Didelot 11083c0afaeSAndrew Lunn /* Tree identifier */ 11183c0afaeSAndrew Lunn u32 tree; 11283c0afaeSAndrew Lunn 11383c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 11483c0afaeSAndrew Lunn struct kref refcount; 11583c0afaeSAndrew Lunn 11683c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 11783c0afaeSAndrew Lunn bool applied; 11883c0afaeSAndrew Lunn 119cf50dcc2SBen Hutchings /* 120cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 121cf50dcc2SBen Hutchings * this dsa switch tree instance. 122cf50dcc2SBen Hutchings */ 123cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 124cf85d08fSLennert Buytenhek 125cf50dcc2SBen Hutchings /* 126cf50dcc2SBen Hutchings * Reference to network device to use, and which tagging 127cf50dcc2SBen Hutchings * protocol to use. 128cf50dcc2SBen Hutchings */ 129cf50dcc2SBen Hutchings struct net_device *master_netdev; 13073a7ece8SVivien Didelot 13173a7ece8SVivien Didelot /* Copy of tag_ops->rcv for faster access in hot path */ 132a86d8becSFlorian Fainelli struct sk_buff * (*rcv)(struct sk_buff *skb, 1335075314eSAlexander Duyck struct net_device *dev, 1345075314eSAlexander Duyck struct packet_type *pt, 1355075314eSAlexander Duyck struct net_device *orig_dev); 136cf50dcc2SBen Hutchings 137cf50dcc2SBen Hutchings /* 138badf3adaSFlorian Fainelli * Original copy of the master netdev ethtool_ops 139badf3adaSFlorian Fainelli */ 140badf3adaSFlorian Fainelli struct ethtool_ops master_ethtool_ops; 1410c73c523SFlorian Fainelli const struct ethtool_ops *master_orig_ethtool_ops; 142badf3adaSFlorian Fainelli 143badf3adaSFlorian Fainelli /* 1448b0d3ea5SVivien Didelot * The switch port to which the CPU is attached. 145cf50dcc2SBen Hutchings */ 1468b0d3ea5SVivien Didelot struct dsa_port *cpu_dp; 147cf50dcc2SBen Hutchings 148cf50dcc2SBen Hutchings /* 149cf50dcc2SBen Hutchings * Data for the individual switch chips. 150cf50dcc2SBen Hutchings */ 151cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 15239a7f2a4SAndrew Lunn 15339a7f2a4SAndrew Lunn /* 15439a7f2a4SAndrew Lunn * Tagging protocol operations for adding and removing an 15539a7f2a4SAndrew Lunn * encapsulation tag. 15639a7f2a4SAndrew Lunn */ 15739a7f2a4SAndrew Lunn const struct dsa_device_ops *tag_ops; 158cf50dcc2SBen Hutchings }; 159cf50dcc2SBen Hutchings 160f50f2127SFlorian Fainelli /* TC matchall action types, only mirroring for now */ 161f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 162f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 163f50f2127SFlorian Fainelli }; 164f50f2127SFlorian Fainelli 165f50f2127SFlorian Fainelli /* TC mirroring entry */ 166f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 167f50f2127SFlorian Fainelli u8 to_local_port; 168f50f2127SFlorian Fainelli bool ingress; 169f50f2127SFlorian Fainelli }; 170f50f2127SFlorian Fainelli 171f50f2127SFlorian Fainelli /* TC matchall entry */ 172f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 173f50f2127SFlorian Fainelli struct list_head list; 174f50f2127SFlorian Fainelli unsigned long cookie; 175f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 176f50f2127SFlorian Fainelli union { 177f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 178f50f2127SFlorian Fainelli }; 179f50f2127SFlorian Fainelli }; 180f50f2127SFlorian Fainelli 181f50f2127SFlorian Fainelli 182c8b09808SAndrew Lunn struct dsa_port { 183818be848SVivien Didelot struct dsa_switch *ds; 184818be848SVivien Didelot unsigned int index; 18571e0bbdeSFlorian Fainelli const char *name; 186c8b09808SAndrew Lunn struct net_device *netdev; 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; 192c8b09808SAndrew Lunn }; 193c8b09808SAndrew Lunn 194c8f0b869SBen Hutchings struct dsa_switch { 195c33063d6SAndrew Lunn struct device *dev; 196c33063d6SAndrew Lunn 197c8f0b869SBen Hutchings /* 198c8f0b869SBen Hutchings * Parent switch tree, and switch index. 199c8f0b869SBen Hutchings */ 200c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 201c8f0b869SBen Hutchings int index; 202c8f0b869SBen Hutchings 203f515f192SVivien Didelot /* Listener for switch fabric events */ 204f515f192SVivien Didelot struct notifier_block nb; 205f515f192SVivien Didelot 206c8f0b869SBen Hutchings /* 2077543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 2087543a6d5SAndrew Lunn * structure. 2097543a6d5SAndrew Lunn */ 2107543a6d5SAndrew Lunn void *priv; 2117543a6d5SAndrew Lunn 2127543a6d5SAndrew Lunn /* 213c8f0b869SBen Hutchings * Configuration data for this switch. 214c8f0b869SBen Hutchings */ 215ff04955cSAndrew Lunn struct dsa_chip_data *cd; 216c8f0b869SBen Hutchings 217c8f0b869SBen Hutchings /* 2189d490b4eSVivien Didelot * The switch operations. 219c8f0b869SBen Hutchings */ 220a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 221c8f0b869SBen Hutchings 22266472fc0SAndrew Lunn /* 22366472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 22466472fc0SAndrew Lunn * switch should be used to send packets to that are destined 22566472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 22666472fc0SAndrew Lunn */ 22766472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 22866472fc0SAndrew Lunn 229c8f0b869SBen Hutchings /* 23083c0afaeSAndrew Lunn * The lower device this switch uses to talk to the host 23183c0afaeSAndrew Lunn */ 23283c0afaeSAndrew Lunn struct net_device *master_netdev; 23383c0afaeSAndrew Lunn 23483c0afaeSAndrew Lunn /* 235c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 236c8f0b869SBen Hutchings */ 237c8f0b869SBen Hutchings u32 dsa_port_mask; 23883c0afaeSAndrew Lunn u32 cpu_port_mask; 23974c3e2a5SAndrew Lunn u32 enabled_port_mask; 2400d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 241c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 242a0c02161SVivien Didelot 2430f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 2440f3da6afSVivien Didelot unsigned int ageing_time_min; 2450f3da6afSVivien Didelot unsigned int ageing_time_max; 2460f3da6afSVivien Didelot 24796567d5dSAndrew Lunn /* devlink used to represent this switch device */ 24896567d5dSAndrew Lunn struct devlink *devlink; 24996567d5dSAndrew Lunn 250a0c02161SVivien Didelot /* Dynamically allocated ports, keep last */ 251a0c02161SVivien Didelot size_t num_ports; 252a0c02161SVivien Didelot struct dsa_port ports[]; 253c8f0b869SBen Hutchings }; 254c8f0b869SBen Hutchings 255c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 256c8f0b869SBen Hutchings { 25714be36c2SFlorian Fainelli return !!(ds->cpu_port_mask & (1 << p)); 258c8f0b869SBen Hutchings } 259c8f0b869SBen Hutchings 26060045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 26160045cbfSAndrew Lunn { 26260045cbfSAndrew Lunn return !!((ds->dsa_port_mask) & (1 << p)); 26360045cbfSAndrew Lunn } 26460045cbfSAndrew Lunn 2656cd456f3SVivien Didelot static inline bool dsa_is_normal_port(struct dsa_switch *ds, int p) 2666cd456f3SVivien Didelot { 2676cd456f3SVivien Didelot return !dsa_is_cpu_port(ds, p) && !dsa_is_dsa_port(ds, p); 2686cd456f3SVivien Didelot } 2696cd456f3SVivien Didelot 270d79d2107SGuenter Roeck static inline bool dsa_is_port_initialized(struct dsa_switch *ds, int p) 271d79d2107SGuenter Roeck { 272c8b09808SAndrew Lunn return ds->enabled_port_mask & (1 << p) && ds->ports[p].netdev; 273d79d2107SGuenter Roeck } 274d79d2107SGuenter Roeck 275c8f0b869SBen Hutchings static inline u8 dsa_upstream_port(struct dsa_switch *ds) 276c8f0b869SBen Hutchings { 277c8f0b869SBen Hutchings struct dsa_switch_tree *dst = ds->dst; 278c8f0b869SBen Hutchings 279c8f0b869SBen Hutchings /* 280c8f0b869SBen Hutchings * If this is the root switch (i.e. the switch that connects 281c8f0b869SBen Hutchings * to the CPU), return the cpu port number on this switch. 282c8f0b869SBen Hutchings * Else return the (DSA) port number that connects to the 283c8f0b869SBen Hutchings * switch that is one hop closer to the cpu. 284c8f0b869SBen Hutchings */ 2858b0d3ea5SVivien Didelot if (dst->cpu_dp->ds == ds) 2868b0d3ea5SVivien Didelot return dst->cpu_dp->index; 287c8f0b869SBen Hutchings else 2888b0d3ea5SVivien Didelot return ds->rtable[dst->cpu_dp->ds->index]; 289c8f0b869SBen Hutchings } 290c8f0b869SBen Hutchings 2919d490b4eSVivien Didelot struct dsa_switch_ops { 292c8f0b869SBen Hutchings /* 293a6a71f19SVivien Didelot * Legacy probing. 294c8f0b869SBen Hutchings */ 2950209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 2960209d144SVivien Didelot struct device *host_dev, int sw_addr, 2970209d144SVivien Didelot void **priv); 2987b314362SAndrew Lunn 2997b314362SAndrew Lunn enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds); 3007b314362SAndrew Lunn 301c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 302c8f0b869SBen Hutchings int (*set_addr)(struct dsa_switch *ds, u8 *addr); 3036819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 304c8f0b869SBen Hutchings 305c8f0b869SBen Hutchings /* 306c8f0b869SBen Hutchings * Access to the switch's PHY registers. 307c8f0b869SBen Hutchings */ 308c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 309c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 310c8f0b869SBen Hutchings int regnum, u16 val); 311c8f0b869SBen Hutchings 312c8f0b869SBen Hutchings /* 313ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 314ec9436baSFlorian Fainelli */ 315ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 316ec9436baSFlorian Fainelli struct phy_device *phydev); 317ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 318ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 319ec9436baSFlorian Fainelli 320ec9436baSFlorian Fainelli /* 321c8f0b869SBen Hutchings * ethtool hardware statistics. 322c8f0b869SBen Hutchings */ 323c8f0b869SBen Hutchings void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); 324c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 325c8f0b869SBen Hutchings int port, uint64_t *data); 326c8f0b869SBen Hutchings int (*get_sset_count)(struct dsa_switch *ds); 32724462549SFlorian Fainelli 32824462549SFlorian Fainelli /* 32919e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 33019e57c4eSFlorian Fainelli */ 33119e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 33219e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 33319e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 33419e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 33519e57c4eSFlorian Fainelli 33619e57c4eSFlorian Fainelli /* 33724462549SFlorian Fainelli * Suspend and resume 33824462549SFlorian Fainelli */ 33924462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 34024462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 341b2f2af21SFlorian Fainelli 342b2f2af21SFlorian Fainelli /* 343b2f2af21SFlorian Fainelli * Port enable/disable 344b2f2af21SFlorian Fainelli */ 345b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 346b2f2af21SFlorian Fainelli struct phy_device *phy); 347b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 348b2f2af21SFlorian Fainelli struct phy_device *phy); 3497905288fSFlorian Fainelli 3507905288fSFlorian Fainelli /* 3517905288fSFlorian Fainelli * EEE setttings 3527905288fSFlorian Fainelli */ 3537905288fSFlorian Fainelli int (*set_eee)(struct dsa_switch *ds, int port, 3547905288fSFlorian Fainelli struct phy_device *phydev, 3557905288fSFlorian Fainelli struct ethtool_eee *e); 3567905288fSFlorian Fainelli int (*get_eee)(struct dsa_switch *ds, int port, 3577905288fSFlorian Fainelli struct ethtool_eee *e); 35851579c3fSGuenter Roeck 3596793abb4SGuenter Roeck /* EEPROM access */ 3606793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 3616793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 3626793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3636793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 3646793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3653d762a0fSGuenter Roeck 3663d762a0fSGuenter Roeck /* 3673d762a0fSGuenter Roeck * Register access. 3683d762a0fSGuenter Roeck */ 3693d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 3703d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 3713d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 372b73adef6SFlorian Fainelli 373b73adef6SFlorian Fainelli /* 374b73adef6SFlorian Fainelli * Bridge integration 375b73adef6SFlorian Fainelli */ 37634a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 37771327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 378a6692754SVivien Didelot struct net_device *bridge); 379f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 380f123f2fbSVivien Didelot struct net_device *bridge); 38143c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 382b73adef6SFlorian Fainelli u8 state); 383732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 3842a778e1bSVivien Didelot 3852a778e1bSVivien Didelot /* 38611149536SVivien Didelot * VLAN support 38711149536SVivien Didelot */ 388fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 389fb2dabadSVivien Didelot bool vlan_filtering); 39076e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 39176e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 39276e398a6SVivien Didelot struct switchdev_trans *trans); 3934d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 39476e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 39576e398a6SVivien Didelot struct switchdev_trans *trans); 39676e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 39776e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 39865aebfc0SVivien Didelot int (*port_vlan_dump)(struct dsa_switch *ds, int port, 39965aebfc0SVivien Didelot struct switchdev_obj_port_vlan *vlan, 400438ff537SVivien Didelot switchdev_obj_dump_cb_t *cb); 40111149536SVivien Didelot 40211149536SVivien Didelot /* 4032a778e1bSVivien Didelot * Forwarding database 4042a778e1bSVivien Didelot */ 405146a3206SVivien Didelot int (*port_fdb_prepare)(struct dsa_switch *ds, int port, 406146a3206SVivien Didelot const struct switchdev_obj_port_fdb *fdb, 407146a3206SVivien Didelot struct switchdev_trans *trans); 4088497aa61SVivien Didelot void (*port_fdb_add)(struct dsa_switch *ds, int port, 4091f36faf2SVivien Didelot const struct switchdev_obj_port_fdb *fdb, 4101f36faf2SVivien Didelot struct switchdev_trans *trans); 4112a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 4128057b3e7SVivien Didelot const struct switchdev_obj_port_fdb *fdb); 413ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 414ea70ba98SVivien Didelot struct switchdev_obj_port_fdb *fdb, 415438ff537SVivien Didelot switchdev_obj_dump_cb_t *cb); 4168df30255SVivien Didelot 4178df30255SVivien Didelot /* 4188df30255SVivien Didelot * Multicast database 4198df30255SVivien Didelot */ 4208df30255SVivien Didelot int (*port_mdb_prepare)(struct dsa_switch *ds, int port, 4218df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4228df30255SVivien Didelot struct switchdev_trans *trans); 4238df30255SVivien Didelot void (*port_mdb_add)(struct dsa_switch *ds, int port, 4248df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4258df30255SVivien Didelot struct switchdev_trans *trans); 4268df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 4278df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4288df30255SVivien Didelot int (*port_mdb_dump)(struct dsa_switch *ds, int port, 4298df30255SVivien Didelot struct switchdev_obj_port_mdb *mdb, 430438ff537SVivien Didelot switchdev_obj_dump_cb_t *cb); 431bf9f2648SFlorian Fainelli 432bf9f2648SFlorian Fainelli /* 433bf9f2648SFlorian Fainelli * RXNFC 434bf9f2648SFlorian Fainelli */ 435bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 436bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 437bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 438bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 439f50f2127SFlorian Fainelli 440f50f2127SFlorian Fainelli /* 441f50f2127SFlorian Fainelli * TC integration 442f50f2127SFlorian Fainelli */ 443f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 444f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 445f50f2127SFlorian Fainelli bool ingress); 446f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 447f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 44840ef2c93SVivien Didelot 44940ef2c93SVivien Didelot /* 45040ef2c93SVivien Didelot * Cross-chip operations 45140ef2c93SVivien Didelot */ 45240ef2c93SVivien Didelot int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, 45340ef2c93SVivien Didelot int port, struct net_device *br); 45440ef2c93SVivien Didelot void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, 45540ef2c93SVivien Didelot int port, struct net_device *br); 456c8f0b869SBen Hutchings }; 457c8f0b869SBen Hutchings 458ab3d408dSFlorian Fainelli struct dsa_switch_driver { 459ab3d408dSFlorian Fainelli struct list_head list; 460a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 461ab3d408dSFlorian Fainelli }; 462ab3d408dSFlorian Fainelli 463a6a71f19SVivien Didelot /* Legacy driver registration */ 464ab3d408dSFlorian Fainelli void register_switch_driver(struct dsa_switch_driver *type); 465ab3d408dSFlorian Fainelli void unregister_switch_driver(struct dsa_switch_driver *type); 466b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 467a6a71f19SVivien Didelot 46814b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 469c8f0b869SBen Hutchings 47073a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 471c6e970a0SAndrew Lunn static inline bool netdev_uses_dsa(struct net_device *dev) 472c6e970a0SAndrew Lunn { 473c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 474717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 475c6e970a0SAndrew Lunn #endif 476c6e970a0SAndrew Lunn return false; 477c6e970a0SAndrew Lunn } 478c6e970a0SAndrew Lunn 479a0c02161SVivien Didelot struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); 48083c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 48123c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 482ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 483ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 484ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 485ea825e70SFlorian Fainelli #else 486ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 487ea825e70SFlorian Fainelli { 488ea825e70SFlorian Fainelli return 0; 489ea825e70SFlorian Fainelli } 490ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 491ea825e70SFlorian Fainelli { 492ea825e70SFlorian Fainelli return 0; 493ea825e70SFlorian Fainelli } 494ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 495ea825e70SFlorian Fainelli 49691da11f8SLennert Buytenhek #endif 497