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> 23cf50dcc2SBen Hutchings 24f50f2127SFlorian Fainelli struct tc_action; 254d56a29fSRussell King struct phy_device; 264d56a29fSRussell King struct fixed_phy_status; 27f50f2127SFlorian Fainelli 28ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 29ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_NONE = 0, 30ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_DSA, 31ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_TRAILER, 32ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_EDSA, 33ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_BRCM, 34cafdc45cSJohn Crispin DSA_TAG_PROTO_QCA, 355cd8985aSSean Wang DSA_TAG_PROTO_MTK, 3639a7f2a4SAndrew Lunn DSA_TAG_LAST, /* MUST BE LAST */ 37ac7a04c3SFlorian Fainelli }; 385037d532SFlorian Fainelli 39e84665c9SLennert Buytenhek #define DSA_MAX_SWITCHES 4 4091da11f8SLennert Buytenhek #define DSA_MAX_PORTS 12 4191da11f8SLennert Buytenhek 42d390238cSVivien Didelot #define DSA_RTABLE_NONE -1 43d390238cSVivien Didelot 44e84665c9SLennert Buytenhek struct dsa_chip_data { 45e84665c9SLennert Buytenhek /* 46e84665c9SLennert Buytenhek * How to access the switch configuration registers. 47e84665c9SLennert Buytenhek */ 48b4d2394dSAlexander Duyck struct device *host_dev; 49e84665c9SLennert Buytenhek int sw_addr; 50e84665c9SLennert Buytenhek 5171e0bbdeSFlorian Fainelli /* 5271e0bbdeSFlorian Fainelli * Reference to network devices 5371e0bbdeSFlorian Fainelli */ 5471e0bbdeSFlorian Fainelli struct device *netdev[DSA_MAX_PORTS]; 5571e0bbdeSFlorian Fainelli 566793abb4SGuenter Roeck /* set to size of eeprom if supported by the switch */ 576793abb4SGuenter Roeck int eeprom_len; 586793abb4SGuenter Roeck 59fa981d9aSFlorian Fainelli /* Device tree node pointer for this specific switch chip 60fa981d9aSFlorian Fainelli * used during switch setup in case additional properties 61fa981d9aSFlorian Fainelli * and resources needs to be used 62fa981d9aSFlorian Fainelli */ 63fa981d9aSFlorian Fainelli struct device_node *of_node; 64fa981d9aSFlorian Fainelli 65e84665c9SLennert Buytenhek /* 66e84665c9SLennert Buytenhek * The names of the switch's ports. Use "cpu" to 67e84665c9SLennert Buytenhek * designate the switch port that the cpu is connected to, 68e84665c9SLennert Buytenhek * "dsa" to indicate that this port is a DSA link to 69e84665c9SLennert Buytenhek * another switch, NULL to indicate the port is unused, 70e84665c9SLennert Buytenhek * or any other string to indicate this is a physical port. 71e84665c9SLennert Buytenhek */ 72e84665c9SLennert Buytenhek char *port_names[DSA_MAX_PORTS]; 73bd47497aSFlorian Fainelli struct device_node *port_dn[DSA_MAX_PORTS]; 74e84665c9SLennert Buytenhek 75e84665c9SLennert Buytenhek /* 764a7704ffSAndrew Lunn * An array of which element [a] indicates which port on this 774a7704ffSAndrew Lunn * switch should be used to send packets to that are destined 784a7704ffSAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 79e84665c9SLennert Buytenhek */ 804a7704ffSAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 81e84665c9SLennert Buytenhek }; 82e84665c9SLennert Buytenhek 8391da11f8SLennert Buytenhek struct dsa_platform_data { 8491da11f8SLennert Buytenhek /* 8591da11f8SLennert Buytenhek * Reference to a Linux network interface that connects 86e84665c9SLennert Buytenhek * to the root switch chip of the tree. 8791da11f8SLennert Buytenhek */ 8891da11f8SLennert Buytenhek struct device *netdev; 89769a0202SFlorian Fainelli struct net_device *of_netdev; 9091da11f8SLennert Buytenhek 9191da11f8SLennert Buytenhek /* 92e84665c9SLennert Buytenhek * Info structs describing each of the switch chips 93e84665c9SLennert Buytenhek * connected via this network interface. 9491da11f8SLennert Buytenhek */ 95e84665c9SLennert Buytenhek int nr_chips; 96e84665c9SLennert Buytenhek struct dsa_chip_data *chip; 9791da11f8SLennert Buytenhek }; 9891da11f8SLennert Buytenhek 995075314eSAlexander Duyck struct packet_type; 1003e8a72d1SFlorian Fainelli 101cf50dcc2SBen Hutchings struct dsa_switch_tree { 10283c0afaeSAndrew Lunn struct list_head list; 10383c0afaeSAndrew Lunn 104f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 105f515f192SVivien Didelot struct raw_notifier_head nh; 106f515f192SVivien Didelot 10783c0afaeSAndrew Lunn /* Tree identifier */ 10883c0afaeSAndrew Lunn u32 tree; 10983c0afaeSAndrew Lunn 11083c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 11183c0afaeSAndrew Lunn struct kref refcount; 11283c0afaeSAndrew Lunn 11383c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 11483c0afaeSAndrew Lunn bool applied; 11583c0afaeSAndrew Lunn 116cf50dcc2SBen Hutchings /* 117cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 118cf50dcc2SBen Hutchings * this dsa switch tree instance. 119cf50dcc2SBen Hutchings */ 120cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 121cf85d08fSLennert Buytenhek 122cf50dcc2SBen Hutchings /* 123cf50dcc2SBen Hutchings * Reference to network device to use, and which tagging 124cf50dcc2SBen Hutchings * protocol to use. 125cf50dcc2SBen Hutchings */ 126cf50dcc2SBen Hutchings struct net_device *master_netdev; 127a86d8becSFlorian Fainelli struct sk_buff * (*rcv)(struct sk_buff *skb, 1285075314eSAlexander Duyck struct net_device *dev, 1295075314eSAlexander Duyck struct packet_type *pt, 1305075314eSAlexander Duyck struct net_device *orig_dev); 131cf50dcc2SBen Hutchings 132cf50dcc2SBen Hutchings /* 133badf3adaSFlorian Fainelli * Original copy of the master netdev ethtool_ops 134badf3adaSFlorian Fainelli */ 135badf3adaSFlorian Fainelli struct ethtool_ops master_ethtool_ops; 1360c73c523SFlorian Fainelli const struct ethtool_ops *master_orig_ethtool_ops; 137badf3adaSFlorian Fainelli 138badf3adaSFlorian Fainelli /* 139cf50dcc2SBen Hutchings * The switch and port to which the CPU is attached. 140cf50dcc2SBen Hutchings */ 141b22de490SVivien Didelot struct dsa_switch *cpu_switch; 142cf50dcc2SBen Hutchings s8 cpu_port; 143cf50dcc2SBen Hutchings 144cf50dcc2SBen Hutchings /* 145cf50dcc2SBen Hutchings * Data for the individual switch chips. 146cf50dcc2SBen Hutchings */ 147cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 14839a7f2a4SAndrew Lunn 14939a7f2a4SAndrew Lunn /* 15039a7f2a4SAndrew Lunn * Tagging protocol operations for adding and removing an 15139a7f2a4SAndrew Lunn * encapsulation tag. 15239a7f2a4SAndrew Lunn */ 15339a7f2a4SAndrew Lunn const struct dsa_device_ops *tag_ops; 154cf50dcc2SBen Hutchings }; 155cf50dcc2SBen Hutchings 156f50f2127SFlorian Fainelli /* TC matchall action types, only mirroring for now */ 157f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 158f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 159f50f2127SFlorian Fainelli }; 160f50f2127SFlorian Fainelli 161f50f2127SFlorian Fainelli /* TC mirroring entry */ 162f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 163f50f2127SFlorian Fainelli u8 to_local_port; 164f50f2127SFlorian Fainelli bool ingress; 165f50f2127SFlorian Fainelli }; 166f50f2127SFlorian Fainelli 167f50f2127SFlorian Fainelli /* TC matchall entry */ 168f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 169f50f2127SFlorian Fainelli struct list_head list; 170f50f2127SFlorian Fainelli unsigned long cookie; 171f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 172f50f2127SFlorian Fainelli union { 173f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 174f50f2127SFlorian Fainelli }; 175f50f2127SFlorian Fainelli }; 176f50f2127SFlorian Fainelli 177f50f2127SFlorian Fainelli 178c8b09808SAndrew Lunn struct dsa_port { 179818be848SVivien Didelot struct dsa_switch *ds; 180818be848SVivien Didelot unsigned int index; 18171e0bbdeSFlorian Fainelli const char *name; 182c8b09808SAndrew Lunn struct net_device *netdev; 183189b0d93SAndrew Lunn struct device_node *dn; 18434a79f63SVivien Didelot unsigned int ageing_time; 185732f794cSVivien Didelot u8 stp_state; 186a5e9a02eSVivien Didelot struct net_device *bridge_dev; 18796567d5dSAndrew Lunn struct devlink_port devlink_port; 188c8b09808SAndrew Lunn }; 189c8b09808SAndrew Lunn 190c8f0b869SBen Hutchings struct dsa_switch { 191c33063d6SAndrew Lunn struct device *dev; 192c33063d6SAndrew Lunn 193c8f0b869SBen Hutchings /* 194c8f0b869SBen Hutchings * Parent switch tree, and switch index. 195c8f0b869SBen Hutchings */ 196c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 197c8f0b869SBen Hutchings int index; 198c8f0b869SBen Hutchings 199f515f192SVivien Didelot /* Listener for switch fabric events */ 200f515f192SVivien Didelot struct notifier_block nb; 201f515f192SVivien Didelot 202c8f0b869SBen Hutchings /* 2037543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 2047543a6d5SAndrew Lunn * structure. 2057543a6d5SAndrew Lunn */ 2067543a6d5SAndrew Lunn void *priv; 2077543a6d5SAndrew Lunn 2087543a6d5SAndrew Lunn /* 209c8f0b869SBen Hutchings * Configuration data for this switch. 210c8f0b869SBen Hutchings */ 211ff04955cSAndrew Lunn struct dsa_chip_data *cd; 212c8f0b869SBen Hutchings 213c8f0b869SBen Hutchings /* 2149d490b4eSVivien Didelot * The switch operations. 215c8f0b869SBen Hutchings */ 216a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 217c8f0b869SBen Hutchings 21866472fc0SAndrew Lunn /* 21966472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 22066472fc0SAndrew Lunn * switch should be used to send packets to that are destined 22166472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 22266472fc0SAndrew Lunn */ 22366472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 22466472fc0SAndrew Lunn 225c8f0b869SBen Hutchings /* 22683c0afaeSAndrew Lunn * The lower device this switch uses to talk to the host 22783c0afaeSAndrew Lunn */ 22883c0afaeSAndrew Lunn struct net_device *master_netdev; 22983c0afaeSAndrew Lunn 23083c0afaeSAndrew Lunn /* 231c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 232c8f0b869SBen Hutchings */ 233c8f0b869SBen Hutchings u32 dsa_port_mask; 23483c0afaeSAndrew Lunn u32 cpu_port_mask; 23574c3e2a5SAndrew Lunn u32 enabled_port_mask; 2360d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 237c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 238a0c02161SVivien Didelot 2390f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 2400f3da6afSVivien Didelot unsigned int ageing_time_min; 2410f3da6afSVivien Didelot unsigned int ageing_time_max; 2420f3da6afSVivien Didelot 24396567d5dSAndrew Lunn /* devlink used to represent this switch device */ 24496567d5dSAndrew Lunn struct devlink *devlink; 24596567d5dSAndrew Lunn 246a0c02161SVivien Didelot /* Dynamically allocated ports, keep last */ 247a0c02161SVivien Didelot size_t num_ports; 248a0c02161SVivien Didelot struct dsa_port ports[]; 249c8f0b869SBen Hutchings }; 250c8f0b869SBen Hutchings 251c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 252c8f0b869SBen Hutchings { 253b22de490SVivien Didelot return !!(ds == ds->dst->cpu_switch && p == ds->dst->cpu_port); 254c8f0b869SBen Hutchings } 255c8f0b869SBen Hutchings 25660045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 25760045cbfSAndrew Lunn { 25860045cbfSAndrew Lunn return !!((ds->dsa_port_mask) & (1 << p)); 25960045cbfSAndrew Lunn } 26060045cbfSAndrew Lunn 2616cd456f3SVivien Didelot static inline bool dsa_is_normal_port(struct dsa_switch *ds, int p) 2626cd456f3SVivien Didelot { 2636cd456f3SVivien Didelot return !dsa_is_cpu_port(ds, p) && !dsa_is_dsa_port(ds, p); 2646cd456f3SVivien Didelot } 2656cd456f3SVivien Didelot 266d79d2107SGuenter Roeck static inline bool dsa_is_port_initialized(struct dsa_switch *ds, int p) 267d79d2107SGuenter Roeck { 268c8b09808SAndrew Lunn return ds->enabled_port_mask & (1 << p) && ds->ports[p].netdev; 269d79d2107SGuenter Roeck } 270d79d2107SGuenter Roeck 271c8f0b869SBen Hutchings static inline u8 dsa_upstream_port(struct dsa_switch *ds) 272c8f0b869SBen Hutchings { 273c8f0b869SBen Hutchings struct dsa_switch_tree *dst = ds->dst; 274c8f0b869SBen Hutchings 275c8f0b869SBen Hutchings /* 276c8f0b869SBen Hutchings * If this is the root switch (i.e. the switch that connects 277c8f0b869SBen Hutchings * to the CPU), return the cpu port number on this switch. 278c8f0b869SBen Hutchings * Else return the (DSA) port number that connects to the 279c8f0b869SBen Hutchings * switch that is one hop closer to the cpu. 280c8f0b869SBen Hutchings */ 281b22de490SVivien Didelot if (dst->cpu_switch == ds) 282c8f0b869SBen Hutchings return dst->cpu_port; 283c8f0b869SBen Hutchings else 284b22de490SVivien Didelot return ds->rtable[dst->cpu_switch->index]; 285c8f0b869SBen Hutchings } 286c8f0b869SBen Hutchings 287146a3206SVivien Didelot struct switchdev_trans; 288ea70ba98SVivien Didelot struct switchdev_obj; 289146a3206SVivien Didelot struct switchdev_obj_port_fdb; 2908df30255SVivien Didelot struct switchdev_obj_port_mdb; 29176e398a6SVivien Didelot struct switchdev_obj_port_vlan; 292146a3206SVivien Didelot 29304d3a4c6SVivien Didelot #define DSA_NOTIFIER_BRIDGE_JOIN 1 29404d3a4c6SVivien Didelot #define DSA_NOTIFIER_BRIDGE_LEAVE 2 29504d3a4c6SVivien Didelot 29604d3a4c6SVivien Didelot /* DSA_NOTIFIER_BRIDGE_* */ 29704d3a4c6SVivien Didelot struct dsa_notifier_bridge_info { 29804d3a4c6SVivien Didelot struct net_device *br; 29904d3a4c6SVivien Didelot int sw_index; 30004d3a4c6SVivien Didelot int port; 30104d3a4c6SVivien Didelot }; 30204d3a4c6SVivien Didelot 3039d490b4eSVivien Didelot struct dsa_switch_ops { 304c8f0b869SBen Hutchings /* 305c8f0b869SBen Hutchings * Probing and setup. 306c8f0b869SBen Hutchings */ 3070209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 3080209d144SVivien Didelot struct device *host_dev, int sw_addr, 3090209d144SVivien Didelot void **priv); 3107b314362SAndrew Lunn 3117b314362SAndrew Lunn enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds); 3127b314362SAndrew Lunn 313c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 314c8f0b869SBen Hutchings int (*set_addr)(struct dsa_switch *ds, u8 *addr); 3156819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 316c8f0b869SBen Hutchings 317c8f0b869SBen Hutchings /* 318c8f0b869SBen Hutchings * Access to the switch's PHY registers. 319c8f0b869SBen Hutchings */ 320c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 321c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 322c8f0b869SBen Hutchings int regnum, u16 val); 323c8f0b869SBen Hutchings 324c8f0b869SBen Hutchings /* 325ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 326ec9436baSFlorian Fainelli */ 327ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 328ec9436baSFlorian Fainelli struct phy_device *phydev); 329ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 330ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 331ec9436baSFlorian Fainelli 332ec9436baSFlorian Fainelli /* 333c8f0b869SBen Hutchings * ethtool hardware statistics. 334c8f0b869SBen Hutchings */ 335c8f0b869SBen Hutchings void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); 336c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 337c8f0b869SBen Hutchings int port, uint64_t *data); 338c8f0b869SBen Hutchings int (*get_sset_count)(struct dsa_switch *ds); 33924462549SFlorian Fainelli 34024462549SFlorian Fainelli /* 34119e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 34219e57c4eSFlorian Fainelli */ 34319e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 34419e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 34519e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 34619e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 34719e57c4eSFlorian Fainelli 34819e57c4eSFlorian Fainelli /* 34924462549SFlorian Fainelli * Suspend and resume 35024462549SFlorian Fainelli */ 35124462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 35224462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 353b2f2af21SFlorian Fainelli 354b2f2af21SFlorian Fainelli /* 355b2f2af21SFlorian Fainelli * Port enable/disable 356b2f2af21SFlorian Fainelli */ 357b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 358b2f2af21SFlorian Fainelli struct phy_device *phy); 359b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 360b2f2af21SFlorian Fainelli struct phy_device *phy); 3617905288fSFlorian Fainelli 3627905288fSFlorian Fainelli /* 3637905288fSFlorian Fainelli * EEE setttings 3647905288fSFlorian Fainelli */ 3657905288fSFlorian Fainelli int (*set_eee)(struct dsa_switch *ds, int port, 3667905288fSFlorian Fainelli struct phy_device *phydev, 3677905288fSFlorian Fainelli struct ethtool_eee *e); 3687905288fSFlorian Fainelli int (*get_eee)(struct dsa_switch *ds, int port, 3697905288fSFlorian Fainelli struct ethtool_eee *e); 37051579c3fSGuenter Roeck 3716793abb4SGuenter Roeck /* EEPROM access */ 3726793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 3736793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 3746793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3756793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 3766793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3773d762a0fSGuenter Roeck 3783d762a0fSGuenter Roeck /* 3793d762a0fSGuenter Roeck * Register access. 3803d762a0fSGuenter Roeck */ 3813d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 3823d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 3833d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 384b73adef6SFlorian Fainelli 385b73adef6SFlorian Fainelli /* 386b73adef6SFlorian Fainelli * Bridge integration 387b73adef6SFlorian Fainelli */ 38834a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 38971327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 390a6692754SVivien Didelot struct net_device *bridge); 391f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 392f123f2fbSVivien Didelot struct net_device *bridge); 39343c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 394b73adef6SFlorian Fainelli u8 state); 395732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 3962a778e1bSVivien Didelot 3972a778e1bSVivien Didelot /* 39811149536SVivien Didelot * VLAN support 39911149536SVivien Didelot */ 400fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 401fb2dabadSVivien Didelot bool vlan_filtering); 40276e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 40376e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 40476e398a6SVivien Didelot struct switchdev_trans *trans); 4054d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 40676e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 40776e398a6SVivien Didelot struct switchdev_trans *trans); 40876e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 40976e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 41065aebfc0SVivien Didelot int (*port_vlan_dump)(struct dsa_switch *ds, int port, 41165aebfc0SVivien Didelot struct switchdev_obj_port_vlan *vlan, 41265aebfc0SVivien Didelot int (*cb)(struct switchdev_obj *obj)); 41311149536SVivien Didelot 41411149536SVivien Didelot /* 4152a778e1bSVivien Didelot * Forwarding database 4162a778e1bSVivien Didelot */ 417146a3206SVivien Didelot int (*port_fdb_prepare)(struct dsa_switch *ds, int port, 418146a3206SVivien Didelot const struct switchdev_obj_port_fdb *fdb, 419146a3206SVivien Didelot struct switchdev_trans *trans); 4208497aa61SVivien Didelot void (*port_fdb_add)(struct dsa_switch *ds, int port, 4211f36faf2SVivien Didelot const struct switchdev_obj_port_fdb *fdb, 4221f36faf2SVivien Didelot struct switchdev_trans *trans); 4232a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 4248057b3e7SVivien Didelot const struct switchdev_obj_port_fdb *fdb); 425ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 426ea70ba98SVivien Didelot struct switchdev_obj_port_fdb *fdb, 427ea70ba98SVivien Didelot int (*cb)(struct switchdev_obj *obj)); 4288df30255SVivien Didelot 4298df30255SVivien Didelot /* 4308df30255SVivien Didelot * Multicast database 4318df30255SVivien Didelot */ 4328df30255SVivien Didelot int (*port_mdb_prepare)(struct dsa_switch *ds, int port, 4338df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4348df30255SVivien Didelot struct switchdev_trans *trans); 4358df30255SVivien Didelot void (*port_mdb_add)(struct dsa_switch *ds, int port, 4368df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4378df30255SVivien Didelot struct switchdev_trans *trans); 4388df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 4398df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4408df30255SVivien Didelot int (*port_mdb_dump)(struct dsa_switch *ds, int port, 4418df30255SVivien Didelot struct switchdev_obj_port_mdb *mdb, 4428df30255SVivien Didelot int (*cb)(struct switchdev_obj *obj)); 443bf9f2648SFlorian Fainelli 444bf9f2648SFlorian Fainelli /* 445bf9f2648SFlorian Fainelli * RXNFC 446bf9f2648SFlorian Fainelli */ 447bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 448bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 449bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 450bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 451f50f2127SFlorian Fainelli 452f50f2127SFlorian Fainelli /* 453f50f2127SFlorian Fainelli * TC integration 454f50f2127SFlorian Fainelli */ 455f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 456f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 457f50f2127SFlorian Fainelli bool ingress); 458f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 459f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 46040ef2c93SVivien Didelot 46140ef2c93SVivien Didelot /* 46240ef2c93SVivien Didelot * Cross-chip operations 46340ef2c93SVivien Didelot */ 46440ef2c93SVivien Didelot int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, 46540ef2c93SVivien Didelot int port, struct net_device *br); 46640ef2c93SVivien Didelot void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, 46740ef2c93SVivien Didelot int port, struct net_device *br); 468c8f0b869SBen Hutchings }; 469c8f0b869SBen Hutchings 470ab3d408dSFlorian Fainelli struct dsa_switch_driver { 471ab3d408dSFlorian Fainelli struct list_head list; 472a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 473ab3d408dSFlorian Fainelli }; 474ab3d408dSFlorian Fainelli 475ab3d408dSFlorian Fainelli void register_switch_driver(struct dsa_switch_driver *type); 476ab3d408dSFlorian Fainelli void unregister_switch_driver(struct dsa_switch_driver *type); 477b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 47814b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 479c8f0b869SBen Hutchings 4805aed85ceSFlorian Fainelli static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst) 4815aed85ceSFlorian Fainelli { 4825075314eSAlexander Duyck return dst->rcv != NULL; 4835aed85ceSFlorian Fainelli } 48483c0afaeSAndrew Lunn 485c6e970a0SAndrew Lunn static inline bool netdev_uses_dsa(struct net_device *dev) 486c6e970a0SAndrew Lunn { 487c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 488c6e970a0SAndrew Lunn if (dev->dsa_ptr != NULL) 489c6e970a0SAndrew Lunn return dsa_uses_tagged_protocol(dev->dsa_ptr); 490c6e970a0SAndrew Lunn #endif 491c6e970a0SAndrew Lunn return false; 492c6e970a0SAndrew Lunn } 493c6e970a0SAndrew Lunn 494a0c02161SVivien Didelot struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); 49583c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 49655ed0ce0SFlorian Fainelli int dsa_register_switch(struct dsa_switch *ds, struct device *dev); 497ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 498ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 499ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 500ea825e70SFlorian Fainelli #else 501ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 502ea825e70SFlorian Fainelli { 503ea825e70SFlorian Fainelli return 0; 504ea825e70SFlorian Fainelli } 505ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 506ea825e70SFlorian Fainelli { 507ea825e70SFlorian Fainelli return 0; 508ea825e70SFlorian Fainelli } 509ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 510ea825e70SFlorian Fainelli 51191da11f8SLennert Buytenhek #endif 512