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> 220336369dSBrandon Streiff #include <linux/net_tstamp.h> 2396567d5dSAndrew Lunn #include <net/devlink.h> 24f0c24ccfSVivien Didelot #include <net/switchdev.h> 25cf50dcc2SBen Hutchings 26f50f2127SFlorian Fainelli struct tc_action; 274d56a29fSRussell King struct phy_device; 284d56a29fSRussell King struct fixed_phy_status; 29f50f2127SFlorian Fainelli 30ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 31ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_NONE = 0, 32ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_BRCM, 33b74b70c4SFlorian Fainelli DSA_TAG_PROTO_BRCM_PREPEND, 34eb7b7211SAndrew Lunn DSA_TAG_PROTO_DSA, 35eb7b7211SAndrew Lunn DSA_TAG_PROTO_EDSA, 368b8010fbSWoojung Huh DSA_TAG_PROTO_KSZ, 37e8fe177aSJuergen Beisert DSA_TAG_PROTO_LAN9303, 38eb7b7211SAndrew Lunn DSA_TAG_PROTO_MTK, 39eb7b7211SAndrew Lunn DSA_TAG_PROTO_QCA, 40eb7b7211SAndrew Lunn DSA_TAG_PROTO_TRAILER, 4139a7f2a4SAndrew Lunn DSA_TAG_LAST, /* MUST BE LAST */ 42ac7a04c3SFlorian Fainelli }; 435037d532SFlorian Fainelli 44e84665c9SLennert Buytenhek #define DSA_MAX_SWITCHES 4 4591da11f8SLennert Buytenhek #define DSA_MAX_PORTS 12 4691da11f8SLennert Buytenhek 47d390238cSVivien Didelot #define DSA_RTABLE_NONE -1 48d390238cSVivien Didelot 49e84665c9SLennert Buytenhek struct dsa_chip_data { 50e84665c9SLennert Buytenhek /* 51e84665c9SLennert Buytenhek * How to access the switch configuration registers. 52e84665c9SLennert Buytenhek */ 53b4d2394dSAlexander Duyck struct device *host_dev; 54e84665c9SLennert Buytenhek int sw_addr; 55e84665c9SLennert Buytenhek 5671e0bbdeSFlorian Fainelli /* 5771e0bbdeSFlorian Fainelli * Reference to network devices 5871e0bbdeSFlorian Fainelli */ 5971e0bbdeSFlorian Fainelli struct device *netdev[DSA_MAX_PORTS]; 6071e0bbdeSFlorian Fainelli 616793abb4SGuenter Roeck /* set to size of eeprom if supported by the switch */ 626793abb4SGuenter Roeck int eeprom_len; 636793abb4SGuenter Roeck 64fa981d9aSFlorian Fainelli /* Device tree node pointer for this specific switch chip 65fa981d9aSFlorian Fainelli * used during switch setup in case additional properties 66fa981d9aSFlorian Fainelli * and resources needs to be used 67fa981d9aSFlorian Fainelli */ 68fa981d9aSFlorian Fainelli struct device_node *of_node; 69fa981d9aSFlorian Fainelli 70e84665c9SLennert Buytenhek /* 71e84665c9SLennert Buytenhek * The names of the switch's ports. Use "cpu" to 72e84665c9SLennert Buytenhek * designate the switch port that the cpu is connected to, 73e84665c9SLennert Buytenhek * "dsa" to indicate that this port is a DSA link to 74e84665c9SLennert Buytenhek * another switch, NULL to indicate the port is unused, 75e84665c9SLennert Buytenhek * or any other string to indicate this is a physical port. 76e84665c9SLennert Buytenhek */ 77e84665c9SLennert Buytenhek char *port_names[DSA_MAX_PORTS]; 78bd47497aSFlorian Fainelli struct device_node *port_dn[DSA_MAX_PORTS]; 79e84665c9SLennert Buytenhek 80e84665c9SLennert Buytenhek /* 814a7704ffSAndrew Lunn * An array of which element [a] indicates which port on this 824a7704ffSAndrew Lunn * switch should be used to send packets to that are destined 834a7704ffSAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 84e84665c9SLennert Buytenhek */ 854a7704ffSAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 86e84665c9SLennert Buytenhek }; 87e84665c9SLennert Buytenhek 8891da11f8SLennert Buytenhek struct dsa_platform_data { 8991da11f8SLennert Buytenhek /* 9091da11f8SLennert Buytenhek * Reference to a Linux network interface that connects 91e84665c9SLennert Buytenhek * to the root switch chip of the tree. 9291da11f8SLennert Buytenhek */ 9391da11f8SLennert Buytenhek struct device *netdev; 94769a0202SFlorian Fainelli struct net_device *of_netdev; 9591da11f8SLennert Buytenhek 9691da11f8SLennert Buytenhek /* 97e84665c9SLennert Buytenhek * Info structs describing each of the switch chips 98e84665c9SLennert Buytenhek * connected via this network interface. 9991da11f8SLennert Buytenhek */ 100e84665c9SLennert Buytenhek int nr_chips; 101e84665c9SLennert Buytenhek struct dsa_chip_data *chip; 10291da11f8SLennert Buytenhek }; 10391da11f8SLennert Buytenhek 1045075314eSAlexander Duyck struct packet_type; 10590af1059SBrandon Streiff struct dsa_switch; 1063e8a72d1SFlorian Fainelli 10768277a2cSJohn Crispin struct dsa_device_ops { 10868277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 10968277a2cSJohn Crispin struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 11089e49506SFlorian Westphal struct packet_type *pt); 111598a9680SJohn Crispin int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 112598a9680SJohn Crispin int *offset); 11368277a2cSJohn Crispin }; 11468277a2cSJohn Crispin 115cf50dcc2SBen Hutchings struct dsa_switch_tree { 11683c0afaeSAndrew Lunn struct list_head list; 11783c0afaeSAndrew Lunn 118f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 119f515f192SVivien Didelot struct raw_notifier_head nh; 120f515f192SVivien Didelot 12183c0afaeSAndrew Lunn /* Tree identifier */ 12249463b7fSVivien Didelot unsigned int index; 12383c0afaeSAndrew Lunn 12483c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 12583c0afaeSAndrew Lunn struct kref refcount; 12683c0afaeSAndrew Lunn 12783c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 128ec15dd42SVivien Didelot bool setup; 12983c0afaeSAndrew Lunn 130cf50dcc2SBen Hutchings /* 131cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 132cf50dcc2SBen Hutchings * this dsa switch tree instance. 133cf50dcc2SBen Hutchings */ 134cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 135cf85d08fSLennert Buytenhek 136cf50dcc2SBen Hutchings /* 1378b0d3ea5SVivien Didelot * The switch port to which the CPU is attached. 138cf50dcc2SBen Hutchings */ 1398b0d3ea5SVivien Didelot struct dsa_port *cpu_dp; 140cf50dcc2SBen Hutchings 141cf50dcc2SBen Hutchings /* 142cf50dcc2SBen Hutchings * Data for the individual switch chips. 143cf50dcc2SBen Hutchings */ 144cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 145cf50dcc2SBen Hutchings }; 146cf50dcc2SBen Hutchings 147f50f2127SFlorian Fainelli /* TC matchall action types, only mirroring for now */ 148f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 149f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 150f50f2127SFlorian Fainelli }; 151f50f2127SFlorian Fainelli 152f50f2127SFlorian Fainelli /* TC mirroring entry */ 153f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 154f50f2127SFlorian Fainelli u8 to_local_port; 155f50f2127SFlorian Fainelli bool ingress; 156f50f2127SFlorian Fainelli }; 157f50f2127SFlorian Fainelli 158f50f2127SFlorian Fainelli /* TC matchall entry */ 159f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 160f50f2127SFlorian Fainelli struct list_head list; 161f50f2127SFlorian Fainelli unsigned long cookie; 162f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 163f50f2127SFlorian Fainelli union { 164f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 165f50f2127SFlorian Fainelli }; 166f50f2127SFlorian Fainelli }; 167f50f2127SFlorian Fainelli 168f50f2127SFlorian Fainelli 169c8b09808SAndrew Lunn struct dsa_port { 170f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 171f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 172f8b8b1cdSVivien Didelot */ 173f8b8b1cdSVivien Didelot union { 174f8b8b1cdSVivien Didelot struct net_device *master; 175f8b8b1cdSVivien Didelot struct net_device *slave; 176f8b8b1cdSVivien Didelot }; 177f8b8b1cdSVivien Didelot 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 186057cad2cSVivien Didelot enum { 187057cad2cSVivien Didelot DSA_PORT_TYPE_UNUSED = 0, 188057cad2cSVivien Didelot DSA_PORT_TYPE_CPU, 189057cad2cSVivien Didelot DSA_PORT_TYPE_DSA, 190057cad2cSVivien Didelot DSA_PORT_TYPE_USER, 191057cad2cSVivien Didelot } type; 192057cad2cSVivien Didelot 193818be848SVivien Didelot struct dsa_switch *ds; 194818be848SVivien Didelot unsigned int index; 19571e0bbdeSFlorian Fainelli const char *name; 19624a9332aSVivien Didelot const struct dsa_port *cpu_dp; 197189b0d93SAndrew Lunn struct device_node *dn; 19834a79f63SVivien Didelot unsigned int ageing_time; 199732f794cSVivien Didelot u8 stp_state; 200a5e9a02eSVivien Didelot struct net_device *bridge_dev; 20196567d5dSAndrew Lunn struct devlink_port devlink_port; 20267dbb9d4SFlorian Fainelli /* 20367dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 20467dbb9d4SFlorian Fainelli */ 20567dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 206c8b09808SAndrew Lunn }; 207c8b09808SAndrew Lunn 208c8f0b869SBen Hutchings struct dsa_switch { 209c33063d6SAndrew Lunn struct device *dev; 210c33063d6SAndrew Lunn 211c8f0b869SBen Hutchings /* 212c8f0b869SBen Hutchings * Parent switch tree, and switch index. 213c8f0b869SBen Hutchings */ 214c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 21599feaafcSVivien Didelot unsigned int index; 216c8f0b869SBen Hutchings 217f515f192SVivien Didelot /* Listener for switch fabric events */ 218f515f192SVivien Didelot struct notifier_block nb; 219f515f192SVivien Didelot 220c8f0b869SBen Hutchings /* 2217543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 2227543a6d5SAndrew Lunn * structure. 2237543a6d5SAndrew Lunn */ 2247543a6d5SAndrew Lunn void *priv; 2257543a6d5SAndrew Lunn 2267543a6d5SAndrew Lunn /* 227c8f0b869SBen Hutchings * Configuration data for this switch. 228c8f0b869SBen Hutchings */ 229ff04955cSAndrew Lunn struct dsa_chip_data *cd; 230c8f0b869SBen Hutchings 231c8f0b869SBen Hutchings /* 2329d490b4eSVivien Didelot * The switch operations. 233c8f0b869SBen Hutchings */ 234a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 235c8f0b869SBen Hutchings 23666472fc0SAndrew Lunn /* 23766472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 23866472fc0SAndrew Lunn * switch should be used to send packets to that are destined 23966472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 24066472fc0SAndrew Lunn */ 24166472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 24266472fc0SAndrew Lunn 243c8f0b869SBen Hutchings /* 244c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 245c8f0b869SBen Hutchings */ 2460d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 247c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 248a0c02161SVivien Didelot 2490f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 2500f3da6afSVivien Didelot unsigned int ageing_time_min; 2510f3da6afSVivien Didelot unsigned int ageing_time_max; 2520f3da6afSVivien Didelot 25396567d5dSAndrew Lunn /* devlink used to represent this switch device */ 25496567d5dSAndrew Lunn struct devlink *devlink; 25596567d5dSAndrew Lunn 25655199df6SFlorian Fainelli /* Number of switch port queues */ 25755199df6SFlorian Fainelli unsigned int num_tx_queues; 25855199df6SFlorian Fainelli 259a0c02161SVivien Didelot /* Dynamically allocated ports, keep last */ 260a0c02161SVivien Didelot size_t num_ports; 261a0c02161SVivien Didelot struct dsa_port ports[]; 262c8f0b869SBen Hutchings }; 263c8f0b869SBen Hutchings 264c38c5a66SVivien Didelot static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) 265c38c5a66SVivien Didelot { 266c38c5a66SVivien Didelot return &ds->ports[p]; 267c38c5a66SVivien Didelot } 268c38c5a66SVivien Didelot 269bff7b688SVivien Didelot static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) 270bff7b688SVivien Didelot { 271c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; 272bff7b688SVivien Didelot } 273bff7b688SVivien Didelot 274c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 275c8f0b869SBen Hutchings { 276c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; 277c8f0b869SBen Hutchings } 278c8f0b869SBen Hutchings 27960045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 28060045cbfSAndrew Lunn { 281c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; 28260045cbfSAndrew Lunn } 28360045cbfSAndrew Lunn 2842b3e9891SVivien Didelot static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) 2856cd456f3SVivien Didelot { 286c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; 2876cd456f3SVivien Didelot } 2886cd456f3SVivien Didelot 28902bc6e54SVivien Didelot static inline u32 dsa_user_ports(struct dsa_switch *ds) 29002bc6e54SVivien Didelot { 291c38c5a66SVivien Didelot u32 mask = 0; 292c38c5a66SVivien Didelot int p; 29302bc6e54SVivien Didelot 294c38c5a66SVivien Didelot for (p = 0; p < ds->num_ports; p++) 295c38c5a66SVivien Didelot if (dsa_is_user_port(ds, p)) 296c38c5a66SVivien Didelot mask |= BIT(p); 297c38c5a66SVivien Didelot 298c38c5a66SVivien Didelot return mask; 299c8652c83SVivien Didelot } 300c8652c83SVivien Didelot 3013b8fac5dSVivien Didelot /* Return the local port used to reach an arbitrary switch port */ 3023b8fac5dSVivien Didelot static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, 3033b8fac5dSVivien Didelot int port) 3043b8fac5dSVivien Didelot { 3053b8fac5dSVivien Didelot if (device == ds->index) 3063b8fac5dSVivien Didelot return port; 3073b8fac5dSVivien Didelot else 3083b8fac5dSVivien Didelot return ds->rtable[device]; 3093b8fac5dSVivien Didelot } 3103b8fac5dSVivien Didelot 3113b8fac5dSVivien Didelot /* Return the local port used to reach the dedicated CPU port */ 31207073c79SVivien Didelot static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) 313c8f0b869SBen Hutchings { 31407073c79SVivien Didelot const struct dsa_port *dp = dsa_to_port(ds, port); 31507073c79SVivien Didelot const struct dsa_port *cpu_dp = dp->cpu_dp; 31607073c79SVivien Didelot 31707073c79SVivien Didelot if (!cpu_dp) 31807073c79SVivien Didelot return port; 319c8f0b869SBen Hutchings 3203b8fac5dSVivien Didelot return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); 321c8f0b869SBen Hutchings } 322c8f0b869SBen Hutchings 3232bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 3242bedde1aSArkadi Sharshevsky bool is_static, void *data); 3259d490b4eSVivien Didelot struct dsa_switch_ops { 3262a93c1a3SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) 327c8f0b869SBen Hutchings /* 328a6a71f19SVivien Didelot * Legacy probing. 329c8f0b869SBen Hutchings */ 3300209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 3310209d144SVivien Didelot struct device *host_dev, int sw_addr, 3320209d144SVivien Didelot void **priv); 3332a93c1a3SFlorian Fainelli #endif 3347b314362SAndrew Lunn 3355ed4e3ebSFlorian Fainelli enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, 3365ed4e3ebSFlorian Fainelli int port); 3377b314362SAndrew Lunn 338c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 3396819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 340c8f0b869SBen Hutchings 341c8f0b869SBen Hutchings /* 342c8f0b869SBen Hutchings * Access to the switch's PHY registers. 343c8f0b869SBen Hutchings */ 344c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 345c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 346c8f0b869SBen Hutchings int regnum, u16 val); 347c8f0b869SBen Hutchings 348c8f0b869SBen Hutchings /* 349ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 350ec9436baSFlorian Fainelli */ 351ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 352ec9436baSFlorian Fainelli struct phy_device *phydev); 353ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 354ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 355ec9436baSFlorian Fainelli 356ec9436baSFlorian Fainelli /* 357c8f0b869SBen Hutchings * ethtool hardware statistics. 358c8f0b869SBen Hutchings */ 359c8f0b869SBen Hutchings void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); 360c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 361c8f0b869SBen Hutchings int port, uint64_t *data); 362c8f0b869SBen Hutchings int (*get_sset_count)(struct dsa_switch *ds); 36324462549SFlorian Fainelli 36424462549SFlorian Fainelli /* 36519e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 36619e57c4eSFlorian Fainelli */ 36719e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 36819e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 36919e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 37019e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 37119e57c4eSFlorian Fainelli 37219e57c4eSFlorian Fainelli /* 3730336369dSBrandon Streiff * ethtool timestamp info 3740336369dSBrandon Streiff */ 3750336369dSBrandon Streiff int (*get_ts_info)(struct dsa_switch *ds, int port, 3760336369dSBrandon Streiff struct ethtool_ts_info *ts); 3770336369dSBrandon Streiff 3780336369dSBrandon Streiff /* 37924462549SFlorian Fainelli * Suspend and resume 38024462549SFlorian Fainelli */ 38124462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 38224462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 383b2f2af21SFlorian Fainelli 384b2f2af21SFlorian Fainelli /* 385b2f2af21SFlorian Fainelli * Port enable/disable 386b2f2af21SFlorian Fainelli */ 387b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 388b2f2af21SFlorian Fainelli struct phy_device *phy); 389b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 390b2f2af21SFlorian Fainelli struct phy_device *phy); 3917905288fSFlorian Fainelli 3927905288fSFlorian Fainelli /* 39308f50061SVivien Didelot * Port's MAC EEE settings 3947905288fSFlorian Fainelli */ 39508f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 3967905288fSFlorian Fainelli struct ethtool_eee *e); 39708f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 3987905288fSFlorian Fainelli struct ethtool_eee *e); 39951579c3fSGuenter Roeck 4006793abb4SGuenter Roeck /* EEPROM access */ 4016793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 4026793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 4036793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 4046793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 4056793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 4063d762a0fSGuenter Roeck 4073d762a0fSGuenter Roeck /* 4083d762a0fSGuenter Roeck * Register access. 4093d762a0fSGuenter Roeck */ 4103d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 4113d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 4123d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 413b73adef6SFlorian Fainelli 414b73adef6SFlorian Fainelli /* 415b73adef6SFlorian Fainelli * Bridge integration 416b73adef6SFlorian Fainelli */ 41734a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 41871327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 419a6692754SVivien Didelot struct net_device *bridge); 420f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 421f123f2fbSVivien Didelot struct net_device *bridge); 42243c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 423b73adef6SFlorian Fainelli u8 state); 424732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 4252a778e1bSVivien Didelot 4262a778e1bSVivien Didelot /* 42711149536SVivien Didelot * VLAN support 42811149536SVivien Didelot */ 429fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 430fb2dabadSVivien Didelot bool vlan_filtering); 43176e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 43280e02360SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 4334d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 43480e02360SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 43576e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 43676e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 43711149536SVivien Didelot /* 4382a778e1bSVivien Didelot * Forwarding database 4392a778e1bSVivien Didelot */ 4401b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 4416c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 4422a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 4436c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 444ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 4452bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 4468df30255SVivien Didelot 4478df30255SVivien Didelot /* 4488df30255SVivien Didelot * Multicast database 4498df30255SVivien Didelot */ 4508df30255SVivien Didelot int (*port_mdb_prepare)(struct dsa_switch *ds, int port, 4513709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4528df30255SVivien Didelot void (*port_mdb_add)(struct dsa_switch *ds, int port, 4533709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4548df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 4558df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 456bf9f2648SFlorian Fainelli /* 457bf9f2648SFlorian Fainelli * RXNFC 458bf9f2648SFlorian Fainelli */ 459bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 460bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 461bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 462bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 463f50f2127SFlorian Fainelli 464f50f2127SFlorian Fainelli /* 465f50f2127SFlorian Fainelli * TC integration 466f50f2127SFlorian Fainelli */ 467f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 468f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 469f50f2127SFlorian Fainelli bool ingress); 470f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 471f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 47240ef2c93SVivien Didelot 47340ef2c93SVivien Didelot /* 47440ef2c93SVivien Didelot * Cross-chip operations 47540ef2c93SVivien Didelot */ 47640ef2c93SVivien Didelot int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, 47740ef2c93SVivien Didelot int port, struct net_device *br); 47840ef2c93SVivien Didelot void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, 47940ef2c93SVivien Didelot int port, struct net_device *br); 4800336369dSBrandon Streiff 4810336369dSBrandon Streiff /* 4820336369dSBrandon Streiff * PTP functionality 4830336369dSBrandon Streiff */ 4840336369dSBrandon Streiff int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, 4850336369dSBrandon Streiff struct ifreq *ifr); 4860336369dSBrandon Streiff int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, 4870336369dSBrandon Streiff struct ifreq *ifr); 48890af1059SBrandon Streiff bool (*port_txtstamp)(struct dsa_switch *ds, int port, 48990af1059SBrandon Streiff struct sk_buff *clone, unsigned int type); 49090af1059SBrandon Streiff bool (*port_rxtstamp)(struct dsa_switch *ds, int port, 49190af1059SBrandon Streiff struct sk_buff *skb, unsigned int type); 492c8f0b869SBen Hutchings }; 493c8f0b869SBen Hutchings 494ab3d408dSFlorian Fainelli struct dsa_switch_driver { 495ab3d408dSFlorian Fainelli struct list_head list; 496a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 497ab3d408dSFlorian Fainelli }; 498ab3d408dSFlorian Fainelli 4992a93c1a3SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) 500a6a71f19SVivien Didelot /* Legacy driver registration */ 501ab3d408dSFlorian Fainelli void register_switch_driver(struct dsa_switch_driver *type); 502ab3d408dSFlorian Fainelli void unregister_switch_driver(struct dsa_switch_driver *type); 503b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 504a6a71f19SVivien Didelot 5052a93c1a3SFlorian Fainelli #else 5062a93c1a3SFlorian Fainelli static inline void register_switch_driver(struct dsa_switch_driver *type) { } 5072a93c1a3SFlorian Fainelli static inline void unregister_switch_driver(struct dsa_switch_driver *type) { } 5082a93c1a3SFlorian Fainelli static inline struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev) 5092a93c1a3SFlorian Fainelli { 5102a93c1a3SFlorian Fainelli return NULL; 5112a93c1a3SFlorian Fainelli } 5122a93c1a3SFlorian Fainelli #endif 51314b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 514c8f0b869SBen Hutchings 51573a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 516c6e970a0SAndrew Lunn static inline bool netdev_uses_dsa(struct net_device *dev) 517c6e970a0SAndrew Lunn { 518c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 519717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 520c6e970a0SAndrew Lunn #endif 521c6e970a0SAndrew Lunn return false; 522c6e970a0SAndrew Lunn } 523c6e970a0SAndrew Lunn 524a0c02161SVivien Didelot struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); 52583c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 52623c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 527ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 528ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 529ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 530ea825e70SFlorian Fainelli #else 531ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 532ea825e70SFlorian Fainelli { 533ea825e70SFlorian Fainelli return 0; 534ea825e70SFlorian Fainelli } 535ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 536ea825e70SFlorian Fainelli { 537ea825e70SFlorian Fainelli return 0; 538ea825e70SFlorian Fainelli } 539ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 540ea825e70SFlorian Fainelli 54160724d4bSFlorian Fainelli enum dsa_notifier_type { 54260724d4bSFlorian Fainelli DSA_PORT_REGISTER, 54360724d4bSFlorian Fainelli DSA_PORT_UNREGISTER, 54460724d4bSFlorian Fainelli }; 54560724d4bSFlorian Fainelli 54660724d4bSFlorian Fainelli struct dsa_notifier_info { 54760724d4bSFlorian Fainelli struct net_device *dev; 54860724d4bSFlorian Fainelli }; 54960724d4bSFlorian Fainelli 55060724d4bSFlorian Fainelli struct dsa_notifier_register_info { 55160724d4bSFlorian Fainelli struct dsa_notifier_info info; /* must be first */ 55260724d4bSFlorian Fainelli struct net_device *master; 55360724d4bSFlorian Fainelli unsigned int port_number; 55460724d4bSFlorian Fainelli unsigned int switch_number; 55560724d4bSFlorian Fainelli }; 55660724d4bSFlorian Fainelli 55760724d4bSFlorian Fainelli static inline struct net_device * 55860724d4bSFlorian Fainelli dsa_notifier_info_to_dev(const struct dsa_notifier_info *info) 55960724d4bSFlorian Fainelli { 56060724d4bSFlorian Fainelli return info->dev; 56160724d4bSFlorian Fainelli } 56260724d4bSFlorian Fainelli 56360724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 56460724d4bSFlorian Fainelli int register_dsa_notifier(struct notifier_block *nb); 56560724d4bSFlorian Fainelli int unregister_dsa_notifier(struct notifier_block *nb); 56660724d4bSFlorian Fainelli int call_dsa_notifiers(unsigned long val, struct net_device *dev, 56760724d4bSFlorian Fainelli struct dsa_notifier_info *info); 56860724d4bSFlorian Fainelli #else 56960724d4bSFlorian Fainelli static inline int register_dsa_notifier(struct notifier_block *nb) 57060724d4bSFlorian Fainelli { 57160724d4bSFlorian Fainelli return 0; 57260724d4bSFlorian Fainelli } 57360724d4bSFlorian Fainelli 57460724d4bSFlorian Fainelli static inline int unregister_dsa_notifier(struct notifier_block *nb) 57560724d4bSFlorian Fainelli { 57660724d4bSFlorian Fainelli return 0; 57760724d4bSFlorian Fainelli } 57860724d4bSFlorian Fainelli 57960724d4bSFlorian Fainelli static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev, 58060724d4bSFlorian Fainelli struct dsa_notifier_info *info) 58160724d4bSFlorian Fainelli { 58260724d4bSFlorian Fainelli return NOTIFY_DONE; 58360724d4bSFlorian Fainelli } 58460724d4bSFlorian Fainelli #endif 58560724d4bSFlorian Fainelli 5860a5f14ceSFlorian Fainelli /* Broadcom tag specific helpers to insert and extract queue/port number */ 5870a5f14ceSFlorian Fainelli #define BRCM_TAG_SET_PORT_QUEUE(p, q) ((p) << 8 | q) 5880a5f14ceSFlorian Fainelli #define BRCM_TAG_GET_PORT(v) ((v) >> 8) 5890a5f14ceSFlorian Fainelli #define BRCM_TAG_GET_QUEUE(v) ((v) & 0xff) 5900a5f14ceSFlorian Fainelli 59191da11f8SLennert Buytenhek #endif 592