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> 22*0336369dSBrandon 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; 1053e8a72d1SFlorian Fainelli 10668277a2cSJohn Crispin struct dsa_device_ops { 10768277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 10868277a2cSJohn Crispin struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 10989e49506SFlorian Westphal struct packet_type *pt); 110598a9680SJohn Crispin int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 111598a9680SJohn Crispin int *offset); 11268277a2cSJohn Crispin }; 11368277a2cSJohn Crispin 114cf50dcc2SBen Hutchings struct dsa_switch_tree { 11583c0afaeSAndrew Lunn struct list_head list; 11683c0afaeSAndrew Lunn 117f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 118f515f192SVivien Didelot struct raw_notifier_head nh; 119f515f192SVivien Didelot 12083c0afaeSAndrew Lunn /* Tree identifier */ 12149463b7fSVivien Didelot unsigned int index; 12283c0afaeSAndrew Lunn 12383c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 12483c0afaeSAndrew Lunn struct kref refcount; 12583c0afaeSAndrew Lunn 12683c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 127ec15dd42SVivien Didelot bool setup; 12883c0afaeSAndrew Lunn 129cf50dcc2SBen Hutchings /* 130cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 131cf50dcc2SBen Hutchings * this dsa switch tree instance. 132cf50dcc2SBen Hutchings */ 133cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 134cf85d08fSLennert Buytenhek 135cf50dcc2SBen Hutchings /* 1368b0d3ea5SVivien Didelot * The switch port to which the CPU is attached. 137cf50dcc2SBen Hutchings */ 1388b0d3ea5SVivien Didelot struct dsa_port *cpu_dp; 139cf50dcc2SBen Hutchings 140cf50dcc2SBen Hutchings /* 141cf50dcc2SBen Hutchings * Data for the individual switch chips. 142cf50dcc2SBen Hutchings */ 143cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 144cf50dcc2SBen Hutchings }; 145cf50dcc2SBen Hutchings 146f50f2127SFlorian Fainelli /* TC matchall action types, only mirroring for now */ 147f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 148f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 149f50f2127SFlorian Fainelli }; 150f50f2127SFlorian Fainelli 151f50f2127SFlorian Fainelli /* TC mirroring entry */ 152f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 153f50f2127SFlorian Fainelli u8 to_local_port; 154f50f2127SFlorian Fainelli bool ingress; 155f50f2127SFlorian Fainelli }; 156f50f2127SFlorian Fainelli 157f50f2127SFlorian Fainelli /* TC matchall entry */ 158f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 159f50f2127SFlorian Fainelli struct list_head list; 160f50f2127SFlorian Fainelli unsigned long cookie; 161f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 162f50f2127SFlorian Fainelli union { 163f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 164f50f2127SFlorian Fainelli }; 165f50f2127SFlorian Fainelli }; 166f50f2127SFlorian Fainelli 167f50f2127SFlorian Fainelli 168c8b09808SAndrew Lunn struct dsa_port { 169f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 170f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 171f8b8b1cdSVivien Didelot */ 172f8b8b1cdSVivien Didelot union { 173f8b8b1cdSVivien Didelot struct net_device *master; 174f8b8b1cdSVivien Didelot struct net_device *slave; 175f8b8b1cdSVivien Didelot }; 176f8b8b1cdSVivien Didelot 17715240248SVivien Didelot /* CPU port tagging operations used by master or slave devices */ 17815240248SVivien Didelot const struct dsa_device_ops *tag_ops; 17915240248SVivien Didelot 1803e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 1813e41f93bSVivien Didelot struct dsa_switch_tree *dst; 1823e41f93bSVivien Didelot struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 1833e41f93bSVivien Didelot struct packet_type *pt); 1843e41f93bSVivien Didelot 185057cad2cSVivien Didelot enum { 186057cad2cSVivien Didelot DSA_PORT_TYPE_UNUSED = 0, 187057cad2cSVivien Didelot DSA_PORT_TYPE_CPU, 188057cad2cSVivien Didelot DSA_PORT_TYPE_DSA, 189057cad2cSVivien Didelot DSA_PORT_TYPE_USER, 190057cad2cSVivien Didelot } type; 191057cad2cSVivien Didelot 192818be848SVivien Didelot struct dsa_switch *ds; 193818be848SVivien Didelot unsigned int index; 19471e0bbdeSFlorian Fainelli const char *name; 19524a9332aSVivien Didelot const struct dsa_port *cpu_dp; 196189b0d93SAndrew Lunn struct device_node *dn; 19734a79f63SVivien Didelot unsigned int ageing_time; 198732f794cSVivien Didelot u8 stp_state; 199a5e9a02eSVivien Didelot struct net_device *bridge_dev; 20096567d5dSAndrew Lunn struct devlink_port devlink_port; 20167dbb9d4SFlorian Fainelli /* 20267dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 20367dbb9d4SFlorian Fainelli */ 20467dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 205c8b09808SAndrew Lunn }; 206c8b09808SAndrew Lunn 207c8f0b869SBen Hutchings struct dsa_switch { 208c33063d6SAndrew Lunn struct device *dev; 209c33063d6SAndrew Lunn 210c8f0b869SBen Hutchings /* 211c8f0b869SBen Hutchings * Parent switch tree, and switch index. 212c8f0b869SBen Hutchings */ 213c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 21499feaafcSVivien Didelot unsigned int index; 215c8f0b869SBen Hutchings 216f515f192SVivien Didelot /* Listener for switch fabric events */ 217f515f192SVivien Didelot struct notifier_block nb; 218f515f192SVivien Didelot 219c8f0b869SBen Hutchings /* 2207543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 2217543a6d5SAndrew Lunn * structure. 2227543a6d5SAndrew Lunn */ 2237543a6d5SAndrew Lunn void *priv; 2247543a6d5SAndrew Lunn 2257543a6d5SAndrew Lunn /* 226c8f0b869SBen Hutchings * Configuration data for this switch. 227c8f0b869SBen Hutchings */ 228ff04955cSAndrew Lunn struct dsa_chip_data *cd; 229c8f0b869SBen Hutchings 230c8f0b869SBen Hutchings /* 2319d490b4eSVivien Didelot * The switch operations. 232c8f0b869SBen Hutchings */ 233a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 234c8f0b869SBen Hutchings 23566472fc0SAndrew Lunn /* 23666472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 23766472fc0SAndrew Lunn * switch should be used to send packets to that are destined 23866472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 23966472fc0SAndrew Lunn */ 24066472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 24166472fc0SAndrew Lunn 242c8f0b869SBen Hutchings /* 243c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 244c8f0b869SBen Hutchings */ 2450d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 246c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 247a0c02161SVivien Didelot 2480f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 2490f3da6afSVivien Didelot unsigned int ageing_time_min; 2500f3da6afSVivien Didelot unsigned int ageing_time_max; 2510f3da6afSVivien Didelot 25296567d5dSAndrew Lunn /* devlink used to represent this switch device */ 25396567d5dSAndrew Lunn struct devlink *devlink; 25496567d5dSAndrew Lunn 25555199df6SFlorian Fainelli /* Number of switch port queues */ 25655199df6SFlorian Fainelli unsigned int num_tx_queues; 25755199df6SFlorian Fainelli 258a0c02161SVivien Didelot /* Dynamically allocated ports, keep last */ 259a0c02161SVivien Didelot size_t num_ports; 260a0c02161SVivien Didelot struct dsa_port ports[]; 261c8f0b869SBen Hutchings }; 262c8f0b869SBen Hutchings 263c38c5a66SVivien Didelot static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) 264c38c5a66SVivien Didelot { 265c38c5a66SVivien Didelot return &ds->ports[p]; 266c38c5a66SVivien Didelot } 267c38c5a66SVivien Didelot 268bff7b688SVivien Didelot static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) 269bff7b688SVivien Didelot { 270c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; 271bff7b688SVivien Didelot } 272bff7b688SVivien Didelot 273c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 274c8f0b869SBen Hutchings { 275c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; 276c8f0b869SBen Hutchings } 277c8f0b869SBen Hutchings 27860045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 27960045cbfSAndrew Lunn { 280c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; 28160045cbfSAndrew Lunn } 28260045cbfSAndrew Lunn 2832b3e9891SVivien Didelot static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) 2846cd456f3SVivien Didelot { 285c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; 2866cd456f3SVivien Didelot } 2876cd456f3SVivien Didelot 28802bc6e54SVivien Didelot static inline u32 dsa_user_ports(struct dsa_switch *ds) 28902bc6e54SVivien Didelot { 290c38c5a66SVivien Didelot u32 mask = 0; 291c38c5a66SVivien Didelot int p; 29202bc6e54SVivien Didelot 293c38c5a66SVivien Didelot for (p = 0; p < ds->num_ports; p++) 294c38c5a66SVivien Didelot if (dsa_is_user_port(ds, p)) 295c38c5a66SVivien Didelot mask |= BIT(p); 296c38c5a66SVivien Didelot 297c38c5a66SVivien Didelot return mask; 298c8652c83SVivien Didelot } 299c8652c83SVivien Didelot 3003b8fac5dSVivien Didelot /* Return the local port used to reach an arbitrary switch port */ 3013b8fac5dSVivien Didelot static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, 3023b8fac5dSVivien Didelot int port) 3033b8fac5dSVivien Didelot { 3043b8fac5dSVivien Didelot if (device == ds->index) 3053b8fac5dSVivien Didelot return port; 3063b8fac5dSVivien Didelot else 3073b8fac5dSVivien Didelot return ds->rtable[device]; 3083b8fac5dSVivien Didelot } 3093b8fac5dSVivien Didelot 3103b8fac5dSVivien Didelot /* Return the local port used to reach the dedicated CPU port */ 31107073c79SVivien Didelot static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) 312c8f0b869SBen Hutchings { 31307073c79SVivien Didelot const struct dsa_port *dp = dsa_to_port(ds, port); 31407073c79SVivien Didelot const struct dsa_port *cpu_dp = dp->cpu_dp; 31507073c79SVivien Didelot 31607073c79SVivien Didelot if (!cpu_dp) 31707073c79SVivien Didelot return port; 318c8f0b869SBen Hutchings 3193b8fac5dSVivien Didelot return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); 320c8f0b869SBen Hutchings } 321c8f0b869SBen Hutchings 3222bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 3232bedde1aSArkadi Sharshevsky bool is_static, void *data); 3249d490b4eSVivien Didelot struct dsa_switch_ops { 3252a93c1a3SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) 326c8f0b869SBen Hutchings /* 327a6a71f19SVivien Didelot * Legacy probing. 328c8f0b869SBen Hutchings */ 3290209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 3300209d144SVivien Didelot struct device *host_dev, int sw_addr, 3310209d144SVivien Didelot void **priv); 3322a93c1a3SFlorian Fainelli #endif 3337b314362SAndrew Lunn 3345ed4e3ebSFlorian Fainelli enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, 3355ed4e3ebSFlorian Fainelli int port); 3367b314362SAndrew Lunn 337c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 3386819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 339c8f0b869SBen Hutchings 340c8f0b869SBen Hutchings /* 341c8f0b869SBen Hutchings * Access to the switch's PHY registers. 342c8f0b869SBen Hutchings */ 343c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 344c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 345c8f0b869SBen Hutchings int regnum, u16 val); 346c8f0b869SBen Hutchings 347c8f0b869SBen Hutchings /* 348ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 349ec9436baSFlorian Fainelli */ 350ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 351ec9436baSFlorian Fainelli struct phy_device *phydev); 352ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 353ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 354ec9436baSFlorian Fainelli 355ec9436baSFlorian Fainelli /* 356c8f0b869SBen Hutchings * ethtool hardware statistics. 357c8f0b869SBen Hutchings */ 358c8f0b869SBen Hutchings void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); 359c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 360c8f0b869SBen Hutchings int port, uint64_t *data); 361c8f0b869SBen Hutchings int (*get_sset_count)(struct dsa_switch *ds); 36224462549SFlorian Fainelli 36324462549SFlorian Fainelli /* 36419e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 36519e57c4eSFlorian Fainelli */ 36619e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 36719e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 36819e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 36919e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 37019e57c4eSFlorian Fainelli 37119e57c4eSFlorian Fainelli /* 372*0336369dSBrandon Streiff * ethtool timestamp info 373*0336369dSBrandon Streiff */ 374*0336369dSBrandon Streiff int (*get_ts_info)(struct dsa_switch *ds, int port, 375*0336369dSBrandon Streiff struct ethtool_ts_info *ts); 376*0336369dSBrandon Streiff 377*0336369dSBrandon Streiff /* 37824462549SFlorian Fainelli * Suspend and resume 37924462549SFlorian Fainelli */ 38024462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 38124462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 382b2f2af21SFlorian Fainelli 383b2f2af21SFlorian Fainelli /* 384b2f2af21SFlorian Fainelli * Port enable/disable 385b2f2af21SFlorian Fainelli */ 386b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 387b2f2af21SFlorian Fainelli struct phy_device *phy); 388b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 389b2f2af21SFlorian Fainelli struct phy_device *phy); 3907905288fSFlorian Fainelli 3917905288fSFlorian Fainelli /* 39208f50061SVivien Didelot * Port's MAC EEE settings 3937905288fSFlorian Fainelli */ 39408f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 3957905288fSFlorian Fainelli struct ethtool_eee *e); 39608f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 3977905288fSFlorian Fainelli struct ethtool_eee *e); 39851579c3fSGuenter Roeck 3996793abb4SGuenter Roeck /* EEPROM access */ 4006793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 4016793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 4026793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 4036793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 4046793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 4053d762a0fSGuenter Roeck 4063d762a0fSGuenter Roeck /* 4073d762a0fSGuenter Roeck * Register access. 4083d762a0fSGuenter Roeck */ 4093d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 4103d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 4113d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 412b73adef6SFlorian Fainelli 413b73adef6SFlorian Fainelli /* 414b73adef6SFlorian Fainelli * Bridge integration 415b73adef6SFlorian Fainelli */ 41634a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 41771327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 418a6692754SVivien Didelot struct net_device *bridge); 419f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 420f123f2fbSVivien Didelot struct net_device *bridge); 42143c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 422b73adef6SFlorian Fainelli u8 state); 423732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 4242a778e1bSVivien Didelot 4252a778e1bSVivien Didelot /* 42611149536SVivien Didelot * VLAN support 42711149536SVivien Didelot */ 428fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 429fb2dabadSVivien Didelot bool vlan_filtering); 43076e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 43180e02360SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 4324d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 43380e02360SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 43476e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 43576e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 43611149536SVivien Didelot /* 4372a778e1bSVivien Didelot * Forwarding database 4382a778e1bSVivien Didelot */ 4391b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 4406c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 4412a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 4426c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 443ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 4442bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 4458df30255SVivien Didelot 4468df30255SVivien Didelot /* 4478df30255SVivien Didelot * Multicast database 4488df30255SVivien Didelot */ 4498df30255SVivien Didelot int (*port_mdb_prepare)(struct dsa_switch *ds, int port, 4503709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4518df30255SVivien Didelot void (*port_mdb_add)(struct dsa_switch *ds, int port, 4523709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4538df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 4548df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 455bf9f2648SFlorian Fainelli /* 456bf9f2648SFlorian Fainelli * RXNFC 457bf9f2648SFlorian Fainelli */ 458bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 459bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 460bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 461bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 462f50f2127SFlorian Fainelli 463f50f2127SFlorian Fainelli /* 464f50f2127SFlorian Fainelli * TC integration 465f50f2127SFlorian Fainelli */ 466f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 467f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 468f50f2127SFlorian Fainelli bool ingress); 469f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 470f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 47140ef2c93SVivien Didelot 47240ef2c93SVivien Didelot /* 47340ef2c93SVivien Didelot * Cross-chip operations 47440ef2c93SVivien Didelot */ 47540ef2c93SVivien Didelot int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, 47640ef2c93SVivien Didelot int port, struct net_device *br); 47740ef2c93SVivien Didelot void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, 47840ef2c93SVivien Didelot int port, struct net_device *br); 479*0336369dSBrandon Streiff 480*0336369dSBrandon Streiff /* 481*0336369dSBrandon Streiff * PTP functionality 482*0336369dSBrandon Streiff */ 483*0336369dSBrandon Streiff int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, 484*0336369dSBrandon Streiff struct ifreq *ifr); 485*0336369dSBrandon Streiff int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, 486*0336369dSBrandon Streiff struct ifreq *ifr); 487c8f0b869SBen Hutchings }; 488c8f0b869SBen Hutchings 489ab3d408dSFlorian Fainelli struct dsa_switch_driver { 490ab3d408dSFlorian Fainelli struct list_head list; 491a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 492ab3d408dSFlorian Fainelli }; 493ab3d408dSFlorian Fainelli 4942a93c1a3SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) 495a6a71f19SVivien Didelot /* Legacy driver registration */ 496ab3d408dSFlorian Fainelli void register_switch_driver(struct dsa_switch_driver *type); 497ab3d408dSFlorian Fainelli void unregister_switch_driver(struct dsa_switch_driver *type); 498b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 499a6a71f19SVivien Didelot 5002a93c1a3SFlorian Fainelli #else 5012a93c1a3SFlorian Fainelli static inline void register_switch_driver(struct dsa_switch_driver *type) { } 5022a93c1a3SFlorian Fainelli static inline void unregister_switch_driver(struct dsa_switch_driver *type) { } 5032a93c1a3SFlorian Fainelli static inline struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev) 5042a93c1a3SFlorian Fainelli { 5052a93c1a3SFlorian Fainelli return NULL; 5062a93c1a3SFlorian Fainelli } 5072a93c1a3SFlorian Fainelli #endif 50814b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 509c8f0b869SBen Hutchings 51073a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 511c6e970a0SAndrew Lunn static inline bool netdev_uses_dsa(struct net_device *dev) 512c6e970a0SAndrew Lunn { 513c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 514717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 515c6e970a0SAndrew Lunn #endif 516c6e970a0SAndrew Lunn return false; 517c6e970a0SAndrew Lunn } 518c6e970a0SAndrew Lunn 519a0c02161SVivien Didelot struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); 52083c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 52123c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 522ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 523ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 524ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 525ea825e70SFlorian Fainelli #else 526ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 527ea825e70SFlorian Fainelli { 528ea825e70SFlorian Fainelli return 0; 529ea825e70SFlorian Fainelli } 530ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 531ea825e70SFlorian Fainelli { 532ea825e70SFlorian Fainelli return 0; 533ea825e70SFlorian Fainelli } 534ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 535ea825e70SFlorian Fainelli 53660724d4bSFlorian Fainelli enum dsa_notifier_type { 53760724d4bSFlorian Fainelli DSA_PORT_REGISTER, 53860724d4bSFlorian Fainelli DSA_PORT_UNREGISTER, 53960724d4bSFlorian Fainelli }; 54060724d4bSFlorian Fainelli 54160724d4bSFlorian Fainelli struct dsa_notifier_info { 54260724d4bSFlorian Fainelli struct net_device *dev; 54360724d4bSFlorian Fainelli }; 54460724d4bSFlorian Fainelli 54560724d4bSFlorian Fainelli struct dsa_notifier_register_info { 54660724d4bSFlorian Fainelli struct dsa_notifier_info info; /* must be first */ 54760724d4bSFlorian Fainelli struct net_device *master; 54860724d4bSFlorian Fainelli unsigned int port_number; 54960724d4bSFlorian Fainelli unsigned int switch_number; 55060724d4bSFlorian Fainelli }; 55160724d4bSFlorian Fainelli 55260724d4bSFlorian Fainelli static inline struct net_device * 55360724d4bSFlorian Fainelli dsa_notifier_info_to_dev(const struct dsa_notifier_info *info) 55460724d4bSFlorian Fainelli { 55560724d4bSFlorian Fainelli return info->dev; 55660724d4bSFlorian Fainelli } 55760724d4bSFlorian Fainelli 55860724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 55960724d4bSFlorian Fainelli int register_dsa_notifier(struct notifier_block *nb); 56060724d4bSFlorian Fainelli int unregister_dsa_notifier(struct notifier_block *nb); 56160724d4bSFlorian Fainelli int call_dsa_notifiers(unsigned long val, struct net_device *dev, 56260724d4bSFlorian Fainelli struct dsa_notifier_info *info); 56360724d4bSFlorian Fainelli #else 56460724d4bSFlorian Fainelli static inline int register_dsa_notifier(struct notifier_block *nb) 56560724d4bSFlorian Fainelli { 56660724d4bSFlorian Fainelli return 0; 56760724d4bSFlorian Fainelli } 56860724d4bSFlorian Fainelli 56960724d4bSFlorian Fainelli static inline int unregister_dsa_notifier(struct notifier_block *nb) 57060724d4bSFlorian Fainelli { 57160724d4bSFlorian Fainelli return 0; 57260724d4bSFlorian Fainelli } 57360724d4bSFlorian Fainelli 57460724d4bSFlorian Fainelli static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev, 57560724d4bSFlorian Fainelli struct dsa_notifier_info *info) 57660724d4bSFlorian Fainelli { 57760724d4bSFlorian Fainelli return NOTIFY_DONE; 57860724d4bSFlorian Fainelli } 57960724d4bSFlorian Fainelli #endif 58060724d4bSFlorian Fainelli 5810a5f14ceSFlorian Fainelli /* Broadcom tag specific helpers to insert and extract queue/port number */ 5820a5f14ceSFlorian Fainelli #define BRCM_TAG_SET_PORT_QUEUE(p, q) ((p) << 8 | q) 5830a5f14ceSFlorian Fainelli #define BRCM_TAG_GET_PORT(v) ((v) >> 8) 5840a5f14ceSFlorian Fainelli #define BRCM_TAG_GET_QUEUE(v) ((v) & 0xff) 5850a5f14ceSFlorian Fainelli 58691da11f8SLennert Buytenhek #endif 587