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> 2311d8f3ddSFlorian Fainelli #include <linux/phy.h> 2496567d5dSAndrew Lunn #include <net/devlink.h> 25f0c24ccfSVivien Didelot #include <net/switchdev.h> 26cf50dcc2SBen Hutchings 27f50f2127SFlorian Fainelli struct tc_action; 284d56a29fSRussell King struct phy_device; 294d56a29fSRussell King struct fixed_phy_status; 3011d8f3ddSFlorian Fainelli struct phylink_link_state; 31f50f2127SFlorian Fainelli 32ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 33ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_NONE = 0, 34ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_BRCM, 35b74b70c4SFlorian Fainelli DSA_TAG_PROTO_BRCM_PREPEND, 36eb7b7211SAndrew Lunn DSA_TAG_PROTO_DSA, 37eb7b7211SAndrew Lunn DSA_TAG_PROTO_EDSA, 3879691192SHauke Mehrtens DSA_TAG_PROTO_GSWIP, 398b8010fbSWoojung Huh DSA_TAG_PROTO_KSZ, 40e8fe177aSJuergen Beisert DSA_TAG_PROTO_LAN9303, 41eb7b7211SAndrew Lunn DSA_TAG_PROTO_MTK, 42eb7b7211SAndrew Lunn DSA_TAG_PROTO_QCA, 43eb7b7211SAndrew Lunn DSA_TAG_PROTO_TRAILER, 4439a7f2a4SAndrew Lunn DSA_TAG_LAST, /* MUST BE LAST */ 45ac7a04c3SFlorian Fainelli }; 465037d532SFlorian Fainelli 47e84665c9SLennert Buytenhek #define DSA_MAX_SWITCHES 4 4891da11f8SLennert Buytenhek #define DSA_MAX_PORTS 12 4991da11f8SLennert Buytenhek 50d390238cSVivien Didelot #define DSA_RTABLE_NONE -1 51d390238cSVivien Didelot 52e84665c9SLennert Buytenhek struct dsa_chip_data { 53e84665c9SLennert Buytenhek /* 54e84665c9SLennert Buytenhek * How to access the switch configuration registers. 55e84665c9SLennert Buytenhek */ 56b4d2394dSAlexander Duyck struct device *host_dev; 57e84665c9SLennert Buytenhek int sw_addr; 58e84665c9SLennert Buytenhek 5971e0bbdeSFlorian Fainelli /* 6071e0bbdeSFlorian Fainelli * Reference to network devices 6171e0bbdeSFlorian Fainelli */ 6271e0bbdeSFlorian Fainelli struct device *netdev[DSA_MAX_PORTS]; 6371e0bbdeSFlorian Fainelli 646793abb4SGuenter Roeck /* set to size of eeprom if supported by the switch */ 656793abb4SGuenter Roeck int eeprom_len; 666793abb4SGuenter Roeck 67fa981d9aSFlorian Fainelli /* Device tree node pointer for this specific switch chip 68fa981d9aSFlorian Fainelli * used during switch setup in case additional properties 69fa981d9aSFlorian Fainelli * and resources needs to be used 70fa981d9aSFlorian Fainelli */ 71fa981d9aSFlorian Fainelli struct device_node *of_node; 72fa981d9aSFlorian Fainelli 73e84665c9SLennert Buytenhek /* 74e84665c9SLennert Buytenhek * The names of the switch's ports. Use "cpu" to 75e84665c9SLennert Buytenhek * designate the switch port that the cpu is connected to, 76e84665c9SLennert Buytenhek * "dsa" to indicate that this port is a DSA link to 77e84665c9SLennert Buytenhek * another switch, NULL to indicate the port is unused, 78e84665c9SLennert Buytenhek * or any other string to indicate this is a physical port. 79e84665c9SLennert Buytenhek */ 80e84665c9SLennert Buytenhek char *port_names[DSA_MAX_PORTS]; 81bd47497aSFlorian Fainelli struct device_node *port_dn[DSA_MAX_PORTS]; 82e84665c9SLennert Buytenhek 83e84665c9SLennert Buytenhek /* 844a7704ffSAndrew Lunn * An array of which element [a] indicates which port on this 854a7704ffSAndrew Lunn * switch should be used to send packets to that are destined 864a7704ffSAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 87e84665c9SLennert Buytenhek */ 884a7704ffSAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 89e84665c9SLennert Buytenhek }; 90e84665c9SLennert Buytenhek 9191da11f8SLennert Buytenhek struct dsa_platform_data { 9291da11f8SLennert Buytenhek /* 9391da11f8SLennert Buytenhek * Reference to a Linux network interface that connects 94e84665c9SLennert Buytenhek * to the root switch chip of the tree. 9591da11f8SLennert Buytenhek */ 9691da11f8SLennert Buytenhek struct device *netdev; 97769a0202SFlorian Fainelli struct net_device *of_netdev; 9891da11f8SLennert Buytenhek 9991da11f8SLennert Buytenhek /* 100e84665c9SLennert Buytenhek * Info structs describing each of the switch chips 101e84665c9SLennert Buytenhek * connected via this network interface. 10291da11f8SLennert Buytenhek */ 103e84665c9SLennert Buytenhek int nr_chips; 104e84665c9SLennert Buytenhek struct dsa_chip_data *chip; 10591da11f8SLennert Buytenhek }; 10691da11f8SLennert Buytenhek 1075075314eSAlexander Duyck struct packet_type; 10890af1059SBrandon Streiff struct dsa_switch; 1093e8a72d1SFlorian Fainelli 11068277a2cSJohn Crispin struct dsa_device_ops { 11168277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 11268277a2cSJohn Crispin struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 11389e49506SFlorian Westphal struct packet_type *pt); 114598a9680SJohn Crispin int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 115598a9680SJohn Crispin int *offset); 11668277a2cSJohn Crispin }; 11768277a2cSJohn Crispin 118cf50dcc2SBen Hutchings struct dsa_switch_tree { 11983c0afaeSAndrew Lunn struct list_head list; 12083c0afaeSAndrew Lunn 121f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 122f515f192SVivien Didelot struct raw_notifier_head nh; 123f515f192SVivien Didelot 12483c0afaeSAndrew Lunn /* Tree identifier */ 12549463b7fSVivien Didelot unsigned int index; 12683c0afaeSAndrew Lunn 12783c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 12883c0afaeSAndrew Lunn struct kref refcount; 12983c0afaeSAndrew Lunn 13083c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 131ec15dd42SVivien Didelot bool setup; 13283c0afaeSAndrew Lunn 133cf50dcc2SBen Hutchings /* 134cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 135cf50dcc2SBen Hutchings * this dsa switch tree instance. 136cf50dcc2SBen Hutchings */ 137cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 138cf85d08fSLennert Buytenhek 139cf50dcc2SBen Hutchings /* 1408b0d3ea5SVivien Didelot * The switch port to which the CPU is attached. 141cf50dcc2SBen Hutchings */ 1428b0d3ea5SVivien Didelot struct dsa_port *cpu_dp; 143cf50dcc2SBen Hutchings 144cf50dcc2SBen Hutchings /* 145cf50dcc2SBen Hutchings * Data for the individual switch chips. 146cf50dcc2SBen Hutchings */ 147cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 148cf50dcc2SBen Hutchings }; 149cf50dcc2SBen Hutchings 150f50f2127SFlorian Fainelli /* TC matchall action types, only mirroring for now */ 151f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 152f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 153f50f2127SFlorian Fainelli }; 154f50f2127SFlorian Fainelli 155f50f2127SFlorian Fainelli /* TC mirroring entry */ 156f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 157f50f2127SFlorian Fainelli u8 to_local_port; 158f50f2127SFlorian Fainelli bool ingress; 159f50f2127SFlorian Fainelli }; 160f50f2127SFlorian Fainelli 161f50f2127SFlorian Fainelli /* TC matchall entry */ 162f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 163f50f2127SFlorian Fainelli struct list_head list; 164f50f2127SFlorian Fainelli unsigned long cookie; 165f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 166f50f2127SFlorian Fainelli union { 167f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 168f50f2127SFlorian Fainelli }; 169f50f2127SFlorian Fainelli }; 170f50f2127SFlorian Fainelli 171f50f2127SFlorian Fainelli 172c8b09808SAndrew Lunn struct dsa_port { 173f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 174f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 175f8b8b1cdSVivien Didelot */ 176f8b8b1cdSVivien Didelot union { 177f8b8b1cdSVivien Didelot struct net_device *master; 178f8b8b1cdSVivien Didelot struct net_device *slave; 179f8b8b1cdSVivien Didelot }; 180f8b8b1cdSVivien Didelot 18115240248SVivien Didelot /* CPU port tagging operations used by master or slave devices */ 18215240248SVivien Didelot const struct dsa_device_ops *tag_ops; 18315240248SVivien Didelot 1843e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 1853e41f93bSVivien Didelot struct dsa_switch_tree *dst; 1863e41f93bSVivien Didelot struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 1873e41f93bSVivien Didelot struct packet_type *pt); 1883e41f93bSVivien Didelot 189057cad2cSVivien Didelot enum { 190057cad2cSVivien Didelot DSA_PORT_TYPE_UNUSED = 0, 191057cad2cSVivien Didelot DSA_PORT_TYPE_CPU, 192057cad2cSVivien Didelot DSA_PORT_TYPE_DSA, 193057cad2cSVivien Didelot DSA_PORT_TYPE_USER, 194057cad2cSVivien Didelot } type; 195057cad2cSVivien Didelot 196818be848SVivien Didelot struct dsa_switch *ds; 197818be848SVivien Didelot unsigned int index; 19871e0bbdeSFlorian Fainelli const char *name; 19924a9332aSVivien Didelot const struct dsa_port *cpu_dp; 200189b0d93SAndrew Lunn struct device_node *dn; 20134a79f63SVivien Didelot unsigned int ageing_time; 202732f794cSVivien Didelot u8 stp_state; 203a5e9a02eSVivien Didelot struct net_device *bridge_dev; 20496567d5dSAndrew Lunn struct devlink_port devlink_port; 205aab9c406SFlorian Fainelli struct phylink *pl; 20667dbb9d4SFlorian Fainelli /* 20767dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 20867dbb9d4SFlorian Fainelli */ 20967dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 210c8b09808SAndrew Lunn }; 211c8b09808SAndrew Lunn 212c8f0b869SBen Hutchings struct dsa_switch { 213c33063d6SAndrew Lunn struct device *dev; 214c33063d6SAndrew Lunn 215c8f0b869SBen Hutchings /* 216c8f0b869SBen Hutchings * Parent switch tree, and switch index. 217c8f0b869SBen Hutchings */ 218c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 21999feaafcSVivien Didelot unsigned int index; 220c8f0b869SBen Hutchings 221f515f192SVivien Didelot /* Listener for switch fabric events */ 222f515f192SVivien Didelot struct notifier_block nb; 223f515f192SVivien Didelot 224c8f0b869SBen Hutchings /* 2257543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 2267543a6d5SAndrew Lunn * structure. 2277543a6d5SAndrew Lunn */ 2287543a6d5SAndrew Lunn void *priv; 2297543a6d5SAndrew Lunn 2307543a6d5SAndrew Lunn /* 231c8f0b869SBen Hutchings * Configuration data for this switch. 232c8f0b869SBen Hutchings */ 233ff04955cSAndrew Lunn struct dsa_chip_data *cd; 234c8f0b869SBen Hutchings 235c8f0b869SBen Hutchings /* 2369d490b4eSVivien Didelot * The switch operations. 237c8f0b869SBen Hutchings */ 238a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 239c8f0b869SBen Hutchings 24066472fc0SAndrew Lunn /* 24166472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 24266472fc0SAndrew Lunn * switch should be used to send packets to that are destined 24366472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 24466472fc0SAndrew Lunn */ 24566472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 24666472fc0SAndrew Lunn 247c8f0b869SBen Hutchings /* 248c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 249c8f0b869SBen Hutchings */ 2500d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 251c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 252a0c02161SVivien Didelot 2530f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 2540f3da6afSVivien Didelot unsigned int ageing_time_min; 2550f3da6afSVivien Didelot unsigned int ageing_time_max; 2560f3da6afSVivien Didelot 25796567d5dSAndrew Lunn /* devlink used to represent this switch device */ 25896567d5dSAndrew Lunn struct devlink *devlink; 25996567d5dSAndrew Lunn 26055199df6SFlorian Fainelli /* Number of switch port queues */ 26155199df6SFlorian Fainelli unsigned int num_tx_queues; 26255199df6SFlorian Fainelli 2630015b80aSSalvatore Mesoraca unsigned long *bitmap; 2640015b80aSSalvatore Mesoraca unsigned long _bitmap; 2650015b80aSSalvatore Mesoraca 266a0c02161SVivien Didelot /* Dynamically allocated ports, keep last */ 267a0c02161SVivien Didelot size_t num_ports; 268a0c02161SVivien Didelot struct dsa_port ports[]; 269c8f0b869SBen Hutchings }; 270c8f0b869SBen Hutchings 271c38c5a66SVivien Didelot static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) 272c38c5a66SVivien Didelot { 273c38c5a66SVivien Didelot return &ds->ports[p]; 274c38c5a66SVivien Didelot } 275c38c5a66SVivien Didelot 276bff7b688SVivien Didelot static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) 277bff7b688SVivien Didelot { 278c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; 279bff7b688SVivien Didelot } 280bff7b688SVivien Didelot 281c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 282c8f0b869SBen Hutchings { 283c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; 284c8f0b869SBen Hutchings } 285c8f0b869SBen Hutchings 28660045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 28760045cbfSAndrew Lunn { 288c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; 28960045cbfSAndrew Lunn } 29060045cbfSAndrew Lunn 2912b3e9891SVivien Didelot static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) 2926cd456f3SVivien Didelot { 293c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; 2946cd456f3SVivien Didelot } 2956cd456f3SVivien Didelot 29602bc6e54SVivien Didelot static inline u32 dsa_user_ports(struct dsa_switch *ds) 29702bc6e54SVivien Didelot { 298c38c5a66SVivien Didelot u32 mask = 0; 299c38c5a66SVivien Didelot int p; 30002bc6e54SVivien Didelot 301c38c5a66SVivien Didelot for (p = 0; p < ds->num_ports; p++) 302c38c5a66SVivien Didelot if (dsa_is_user_port(ds, p)) 303c38c5a66SVivien Didelot mask |= BIT(p); 304c38c5a66SVivien Didelot 305c38c5a66SVivien Didelot return mask; 306c8652c83SVivien Didelot } 307c8652c83SVivien Didelot 3083b8fac5dSVivien Didelot /* Return the local port used to reach an arbitrary switch port */ 3093b8fac5dSVivien Didelot static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, 3103b8fac5dSVivien Didelot int port) 3113b8fac5dSVivien Didelot { 3123b8fac5dSVivien Didelot if (device == ds->index) 3133b8fac5dSVivien Didelot return port; 3143b8fac5dSVivien Didelot else 3153b8fac5dSVivien Didelot return ds->rtable[device]; 3163b8fac5dSVivien Didelot } 3173b8fac5dSVivien Didelot 3183b8fac5dSVivien Didelot /* Return the local port used to reach the dedicated CPU port */ 31907073c79SVivien Didelot static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) 320c8f0b869SBen Hutchings { 32107073c79SVivien Didelot const struct dsa_port *dp = dsa_to_port(ds, port); 32207073c79SVivien Didelot const struct dsa_port *cpu_dp = dp->cpu_dp; 32307073c79SVivien Didelot 32407073c79SVivien Didelot if (!cpu_dp) 32507073c79SVivien Didelot return port; 326c8f0b869SBen Hutchings 3273b8fac5dSVivien Didelot return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); 328c8f0b869SBen Hutchings } 329c8f0b869SBen Hutchings 3302bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 3312bedde1aSArkadi Sharshevsky bool is_static, void *data); 3329d490b4eSVivien Didelot struct dsa_switch_ops { 3332a93c1a3SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) 334c8f0b869SBen Hutchings /* 335a6a71f19SVivien Didelot * Legacy probing. 336c8f0b869SBen Hutchings */ 3370209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 3380209d144SVivien Didelot struct device *host_dev, int sw_addr, 3390209d144SVivien Didelot void **priv); 3402a93c1a3SFlorian Fainelli #endif 3417b314362SAndrew Lunn 3425ed4e3ebSFlorian Fainelli enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, 3435ed4e3ebSFlorian Fainelli int port); 3447b314362SAndrew Lunn 345c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 3466819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 347c8f0b869SBen Hutchings 348c8f0b869SBen Hutchings /* 349c8f0b869SBen Hutchings * Access to the switch's PHY registers. 350c8f0b869SBen Hutchings */ 351c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 352c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 353c8f0b869SBen Hutchings int regnum, u16 val); 354c8f0b869SBen Hutchings 355c8f0b869SBen Hutchings /* 356ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 357ec9436baSFlorian Fainelli */ 358ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 359ec9436baSFlorian Fainelli struct phy_device *phydev); 360ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 361ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 362ec9436baSFlorian Fainelli 363ec9436baSFlorian Fainelli /* 36411d8f3ddSFlorian Fainelli * PHYLINK integration 36511d8f3ddSFlorian Fainelli */ 36611d8f3ddSFlorian Fainelli void (*phylink_validate)(struct dsa_switch *ds, int port, 36711d8f3ddSFlorian Fainelli unsigned long *supported, 36811d8f3ddSFlorian Fainelli struct phylink_link_state *state); 36911d8f3ddSFlorian Fainelli int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, 37011d8f3ddSFlorian Fainelli struct phylink_link_state *state); 37111d8f3ddSFlorian Fainelli void (*phylink_mac_config)(struct dsa_switch *ds, int port, 37211d8f3ddSFlorian Fainelli unsigned int mode, 37311d8f3ddSFlorian Fainelli const struct phylink_link_state *state); 37411d8f3ddSFlorian Fainelli void (*phylink_mac_an_restart)(struct dsa_switch *ds, int port); 37511d8f3ddSFlorian Fainelli void (*phylink_mac_link_down)(struct dsa_switch *ds, int port, 37611d8f3ddSFlorian Fainelli unsigned int mode, 37711d8f3ddSFlorian Fainelli phy_interface_t interface); 37811d8f3ddSFlorian Fainelli void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, 37911d8f3ddSFlorian Fainelli unsigned int mode, 38011d8f3ddSFlorian Fainelli phy_interface_t interface, 38111d8f3ddSFlorian Fainelli struct phy_device *phydev); 38211d8f3ddSFlorian Fainelli void (*phylink_fixed_state)(struct dsa_switch *ds, int port, 38311d8f3ddSFlorian Fainelli struct phylink_link_state *state); 38411d8f3ddSFlorian Fainelli /* 385c8f0b869SBen Hutchings * ethtool hardware statistics. 386c8f0b869SBen Hutchings */ 38789f09048SFlorian Fainelli void (*get_strings)(struct dsa_switch *ds, int port, 38889f09048SFlorian Fainelli u32 stringset, uint8_t *data); 389c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 390c8f0b869SBen Hutchings int port, uint64_t *data); 39189f09048SFlorian Fainelli int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); 392cf963573SFlorian Fainelli void (*get_ethtool_phy_stats)(struct dsa_switch *ds, 393cf963573SFlorian Fainelli int port, uint64_t *data); 39424462549SFlorian Fainelli 39524462549SFlorian Fainelli /* 39619e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 39719e57c4eSFlorian Fainelli */ 39819e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 39919e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 40019e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 40119e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 40219e57c4eSFlorian Fainelli 40319e57c4eSFlorian Fainelli /* 4040336369dSBrandon Streiff * ethtool timestamp info 4050336369dSBrandon Streiff */ 4060336369dSBrandon Streiff int (*get_ts_info)(struct dsa_switch *ds, int port, 4070336369dSBrandon Streiff struct ethtool_ts_info *ts); 4080336369dSBrandon Streiff 4090336369dSBrandon Streiff /* 41024462549SFlorian Fainelli * Suspend and resume 41124462549SFlorian Fainelli */ 41224462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 41324462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 414b2f2af21SFlorian Fainelli 415b2f2af21SFlorian Fainelli /* 416b2f2af21SFlorian Fainelli * Port enable/disable 417b2f2af21SFlorian Fainelli */ 418b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 419b2f2af21SFlorian Fainelli struct phy_device *phy); 420b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 421b2f2af21SFlorian Fainelli struct phy_device *phy); 4227905288fSFlorian Fainelli 4237905288fSFlorian Fainelli /* 42408f50061SVivien Didelot * Port's MAC EEE settings 4257905288fSFlorian Fainelli */ 42608f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 4277905288fSFlorian Fainelli struct ethtool_eee *e); 42808f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 4297905288fSFlorian Fainelli struct ethtool_eee *e); 43051579c3fSGuenter Roeck 4316793abb4SGuenter Roeck /* EEPROM access */ 4326793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 4336793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 4346793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 4356793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 4366793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 4373d762a0fSGuenter Roeck 4383d762a0fSGuenter Roeck /* 4393d762a0fSGuenter Roeck * Register access. 4403d762a0fSGuenter Roeck */ 4413d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 4423d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 4433d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 444b73adef6SFlorian Fainelli 445b73adef6SFlorian Fainelli /* 446b73adef6SFlorian Fainelli * Bridge integration 447b73adef6SFlorian Fainelli */ 44834a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 44971327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 450a6692754SVivien Didelot struct net_device *bridge); 451f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 452f123f2fbSVivien Didelot struct net_device *bridge); 45343c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 454b73adef6SFlorian Fainelli u8 state); 455732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 4562a778e1bSVivien Didelot 4572a778e1bSVivien Didelot /* 45811149536SVivien Didelot * VLAN support 45911149536SVivien Didelot */ 460fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 461fb2dabadSVivien Didelot bool vlan_filtering); 46276e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 46380e02360SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 4644d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 46580e02360SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 46676e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 46776e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 46811149536SVivien Didelot /* 4692a778e1bSVivien Didelot * Forwarding database 4702a778e1bSVivien Didelot */ 4711b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 4726c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 4732a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 4746c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 475ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 4762bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 4778df30255SVivien Didelot 4788df30255SVivien Didelot /* 4798df30255SVivien Didelot * Multicast database 4808df30255SVivien Didelot */ 4818df30255SVivien Didelot int (*port_mdb_prepare)(struct dsa_switch *ds, int port, 4823709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4838df30255SVivien Didelot void (*port_mdb_add)(struct dsa_switch *ds, int port, 4843709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4858df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 4868df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 487bf9f2648SFlorian Fainelli /* 488bf9f2648SFlorian Fainelli * RXNFC 489bf9f2648SFlorian Fainelli */ 490bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 491bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 492bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 493bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 494f50f2127SFlorian Fainelli 495f50f2127SFlorian Fainelli /* 496f50f2127SFlorian Fainelli * TC integration 497f50f2127SFlorian Fainelli */ 498f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 499f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 500f50f2127SFlorian Fainelli bool ingress); 501f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 502f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 50340ef2c93SVivien Didelot 50440ef2c93SVivien Didelot /* 50540ef2c93SVivien Didelot * Cross-chip operations 50640ef2c93SVivien Didelot */ 50740ef2c93SVivien Didelot int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, 50840ef2c93SVivien Didelot int port, struct net_device *br); 50940ef2c93SVivien Didelot void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, 51040ef2c93SVivien Didelot int port, struct net_device *br); 5110336369dSBrandon Streiff 5120336369dSBrandon Streiff /* 5130336369dSBrandon Streiff * PTP functionality 5140336369dSBrandon Streiff */ 5150336369dSBrandon Streiff int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, 5160336369dSBrandon Streiff struct ifreq *ifr); 5170336369dSBrandon Streiff int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, 5180336369dSBrandon Streiff struct ifreq *ifr); 51990af1059SBrandon Streiff bool (*port_txtstamp)(struct dsa_switch *ds, int port, 52090af1059SBrandon Streiff struct sk_buff *clone, unsigned int type); 52190af1059SBrandon Streiff bool (*port_rxtstamp)(struct dsa_switch *ds, int port, 52290af1059SBrandon Streiff struct sk_buff *skb, unsigned int type); 523c8f0b869SBen Hutchings }; 524c8f0b869SBen Hutchings 525ab3d408dSFlorian Fainelli struct dsa_switch_driver { 526ab3d408dSFlorian Fainelli struct list_head list; 527a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 528ab3d408dSFlorian Fainelli }; 529ab3d408dSFlorian Fainelli 5302a93c1a3SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) 531a6a71f19SVivien Didelot /* Legacy driver registration */ 532ab3d408dSFlorian Fainelli void register_switch_driver(struct dsa_switch_driver *type); 533ab3d408dSFlorian Fainelli void unregister_switch_driver(struct dsa_switch_driver *type); 534b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 535a6a71f19SVivien Didelot 5362a93c1a3SFlorian Fainelli #else 5372a93c1a3SFlorian Fainelli static inline void register_switch_driver(struct dsa_switch_driver *type) { } 5382a93c1a3SFlorian Fainelli static inline void unregister_switch_driver(struct dsa_switch_driver *type) { } 5392a93c1a3SFlorian Fainelli static inline struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev) 5402a93c1a3SFlorian Fainelli { 5412a93c1a3SFlorian Fainelli return NULL; 5422a93c1a3SFlorian Fainelli } 5432a93c1a3SFlorian Fainelli #endif 54414b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 545c8f0b869SBen Hutchings 54673a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 547c6e970a0SAndrew Lunn static inline bool netdev_uses_dsa(struct net_device *dev) 548c6e970a0SAndrew Lunn { 549c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 550717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 551c6e970a0SAndrew Lunn #endif 552c6e970a0SAndrew Lunn return false; 553c6e970a0SAndrew Lunn } 554c6e970a0SAndrew Lunn 555a0c02161SVivien Didelot struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); 55683c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 55723c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 558ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 559ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 560ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 561ea825e70SFlorian Fainelli #else 562ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 563ea825e70SFlorian Fainelli { 564ea825e70SFlorian Fainelli return 0; 565ea825e70SFlorian Fainelli } 566ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 567ea825e70SFlorian Fainelli { 568ea825e70SFlorian Fainelli return 0; 569ea825e70SFlorian Fainelli } 570ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 571ea825e70SFlorian Fainelli 57260724d4bSFlorian Fainelli enum dsa_notifier_type { 57360724d4bSFlorian Fainelli DSA_PORT_REGISTER, 57460724d4bSFlorian Fainelli DSA_PORT_UNREGISTER, 57560724d4bSFlorian Fainelli }; 57660724d4bSFlorian Fainelli 57760724d4bSFlorian Fainelli struct dsa_notifier_info { 57860724d4bSFlorian Fainelli struct net_device *dev; 57960724d4bSFlorian Fainelli }; 58060724d4bSFlorian Fainelli 58160724d4bSFlorian Fainelli struct dsa_notifier_register_info { 58260724d4bSFlorian Fainelli struct dsa_notifier_info info; /* must be first */ 58360724d4bSFlorian Fainelli struct net_device *master; 58460724d4bSFlorian Fainelli unsigned int port_number; 58560724d4bSFlorian Fainelli unsigned int switch_number; 58660724d4bSFlorian Fainelli }; 58760724d4bSFlorian Fainelli 58860724d4bSFlorian Fainelli static inline struct net_device * 58960724d4bSFlorian Fainelli dsa_notifier_info_to_dev(const struct dsa_notifier_info *info) 59060724d4bSFlorian Fainelli { 59160724d4bSFlorian Fainelli return info->dev; 59260724d4bSFlorian Fainelli } 59360724d4bSFlorian Fainelli 59460724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 59560724d4bSFlorian Fainelli int register_dsa_notifier(struct notifier_block *nb); 59660724d4bSFlorian Fainelli int unregister_dsa_notifier(struct notifier_block *nb); 59760724d4bSFlorian Fainelli int call_dsa_notifiers(unsigned long val, struct net_device *dev, 59860724d4bSFlorian Fainelli struct dsa_notifier_info *info); 59960724d4bSFlorian Fainelli #else 60060724d4bSFlorian Fainelli static inline int register_dsa_notifier(struct notifier_block *nb) 60160724d4bSFlorian Fainelli { 60260724d4bSFlorian Fainelli return 0; 60360724d4bSFlorian Fainelli } 60460724d4bSFlorian Fainelli 60560724d4bSFlorian Fainelli static inline int unregister_dsa_notifier(struct notifier_block *nb) 60660724d4bSFlorian Fainelli { 60760724d4bSFlorian Fainelli return 0; 60860724d4bSFlorian Fainelli } 60960724d4bSFlorian Fainelli 61060724d4bSFlorian Fainelli static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev, 61160724d4bSFlorian Fainelli struct dsa_notifier_info *info) 61260724d4bSFlorian Fainelli { 61360724d4bSFlorian Fainelli return NOTIFY_DONE; 61460724d4bSFlorian Fainelli } 61560724d4bSFlorian Fainelli #endif 61660724d4bSFlorian Fainelli 6170a5f14ceSFlorian Fainelli /* Broadcom tag specific helpers to insert and extract queue/port number */ 6180a5f14ceSFlorian Fainelli #define BRCM_TAG_SET_PORT_QUEUE(p, q) ((p) << 8 | q) 6190a5f14ceSFlorian Fainelli #define BRCM_TAG_GET_PORT(v) ((v) >> 8) 6200a5f14ceSFlorian Fainelli #define BRCM_TAG_GET_QUEUE(v) ((v) & 0xff) 6210a5f14ceSFlorian Fainelli 622cf963573SFlorian Fainelli 623cf963573SFlorian Fainelli int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data); 624cf963573SFlorian Fainelli int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); 625cf963573SFlorian Fainelli int dsa_port_get_phy_sset_count(struct dsa_port *dp); 62611d8f3ddSFlorian Fainelli void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); 627cf963573SFlorian Fainelli 62891da11f8SLennert Buytenhek #endif 629