191da11f8SLennert Buytenhek /* 291da11f8SLennert Buytenhek * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips 3e84665c9SLennert Buytenhek * Copyright (c) 2008-2009 Marvell Semiconductor 491da11f8SLennert Buytenhek * 591da11f8SLennert Buytenhek * This program is free software; you can redistribute it and/or modify 691da11f8SLennert Buytenhek * it under the terms of the GNU General Public License as published by 791da11f8SLennert Buytenhek * the Free Software Foundation; either version 2 of the License, or 891da11f8SLennert Buytenhek * (at your option) any later version. 991da11f8SLennert Buytenhek */ 1091da11f8SLennert Buytenhek 1191da11f8SLennert Buytenhek #ifndef __LINUX_NET_DSA_H 1291da11f8SLennert Buytenhek #define __LINUX_NET_DSA_H 1391da11f8SLennert Buytenhek 144d56a29fSRussell King #include <linux/if.h> 15ea1f51beSAxel Lin #include <linux/if_ether.h> 16c8f0b869SBen Hutchings #include <linux/list.h> 17f515f192SVivien Didelot #include <linux/notifier.h> 18cf50dcc2SBen Hutchings #include <linux/timer.h> 19cf50dcc2SBen Hutchings #include <linux/workqueue.h> 20fa981d9aSFlorian Fainelli #include <linux/of.h> 21a2820543SFlorian Fainelli #include <linux/ethtool.h> 2296567d5dSAndrew Lunn #include <net/devlink.h> 23f0c24ccfSVivien Didelot #include <net/switchdev.h> 24cf50dcc2SBen Hutchings 25f50f2127SFlorian Fainelli struct tc_action; 264d56a29fSRussell King struct phy_device; 274d56a29fSRussell King struct fixed_phy_status; 28f50f2127SFlorian Fainelli 29ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 30ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_NONE = 0, 31ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_BRCM, 32eb7b7211SAndrew Lunn DSA_TAG_PROTO_DSA, 33eb7b7211SAndrew Lunn DSA_TAG_PROTO_EDSA, 348b8010fbSWoojung Huh DSA_TAG_PROTO_KSZ, 35e8fe177aSJuergen Beisert DSA_TAG_PROTO_LAN9303, 36eb7b7211SAndrew Lunn DSA_TAG_PROTO_MTK, 37eb7b7211SAndrew Lunn DSA_TAG_PROTO_QCA, 38eb7b7211SAndrew Lunn DSA_TAG_PROTO_TRAILER, 3939a7f2a4SAndrew Lunn DSA_TAG_LAST, /* MUST BE LAST */ 40ac7a04c3SFlorian Fainelli }; 415037d532SFlorian Fainelli 42e84665c9SLennert Buytenhek #define DSA_MAX_SWITCHES 4 4391da11f8SLennert Buytenhek #define DSA_MAX_PORTS 12 4491da11f8SLennert Buytenhek 45d390238cSVivien Didelot #define DSA_RTABLE_NONE -1 46d390238cSVivien Didelot 47e84665c9SLennert Buytenhek struct dsa_chip_data { 48e84665c9SLennert Buytenhek /* 49e84665c9SLennert Buytenhek * How to access the switch configuration registers. 50e84665c9SLennert Buytenhek */ 51b4d2394dSAlexander Duyck struct device *host_dev; 52e84665c9SLennert Buytenhek int sw_addr; 53e84665c9SLennert Buytenhek 5471e0bbdeSFlorian Fainelli /* 5571e0bbdeSFlorian Fainelli * Reference to network devices 5671e0bbdeSFlorian Fainelli */ 5771e0bbdeSFlorian Fainelli struct device *netdev[DSA_MAX_PORTS]; 5871e0bbdeSFlorian Fainelli 596793abb4SGuenter Roeck /* set to size of eeprom if supported by the switch */ 606793abb4SGuenter Roeck int eeprom_len; 616793abb4SGuenter Roeck 62fa981d9aSFlorian Fainelli /* Device tree node pointer for this specific switch chip 63fa981d9aSFlorian Fainelli * used during switch setup in case additional properties 64fa981d9aSFlorian Fainelli * and resources needs to be used 65fa981d9aSFlorian Fainelli */ 66fa981d9aSFlorian Fainelli struct device_node *of_node; 67fa981d9aSFlorian Fainelli 68e84665c9SLennert Buytenhek /* 69e84665c9SLennert Buytenhek * The names of the switch's ports. Use "cpu" to 70e84665c9SLennert Buytenhek * designate the switch port that the cpu is connected to, 71e84665c9SLennert Buytenhek * "dsa" to indicate that this port is a DSA link to 72e84665c9SLennert Buytenhek * another switch, NULL to indicate the port is unused, 73e84665c9SLennert Buytenhek * or any other string to indicate this is a physical port. 74e84665c9SLennert Buytenhek */ 75e84665c9SLennert Buytenhek char *port_names[DSA_MAX_PORTS]; 76bd47497aSFlorian Fainelli struct device_node *port_dn[DSA_MAX_PORTS]; 77e84665c9SLennert Buytenhek 78e84665c9SLennert Buytenhek /* 794a7704ffSAndrew Lunn * An array of which element [a] indicates which port on this 804a7704ffSAndrew Lunn * switch should be used to send packets to that are destined 814a7704ffSAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 82e84665c9SLennert Buytenhek */ 834a7704ffSAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 84e84665c9SLennert Buytenhek }; 85e84665c9SLennert Buytenhek 8691da11f8SLennert Buytenhek struct dsa_platform_data { 8791da11f8SLennert Buytenhek /* 8891da11f8SLennert Buytenhek * Reference to a Linux network interface that connects 89e84665c9SLennert Buytenhek * to the root switch chip of the tree. 9091da11f8SLennert Buytenhek */ 9191da11f8SLennert Buytenhek struct device *netdev; 92769a0202SFlorian Fainelli struct net_device *of_netdev; 9391da11f8SLennert Buytenhek 9491da11f8SLennert Buytenhek /* 95e84665c9SLennert Buytenhek * Info structs describing each of the switch chips 96e84665c9SLennert Buytenhek * connected via this network interface. 9791da11f8SLennert Buytenhek */ 98e84665c9SLennert Buytenhek int nr_chips; 99e84665c9SLennert Buytenhek struct dsa_chip_data *chip; 10091da11f8SLennert Buytenhek }; 10191da11f8SLennert Buytenhek 1025075314eSAlexander Duyck struct packet_type; 1033e8a72d1SFlorian Fainelli 104cf50dcc2SBen Hutchings struct dsa_switch_tree { 10583c0afaeSAndrew Lunn struct list_head list; 10683c0afaeSAndrew Lunn 107f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 108f515f192SVivien Didelot struct raw_notifier_head nh; 109f515f192SVivien Didelot 11083c0afaeSAndrew Lunn /* Tree identifier */ 11183c0afaeSAndrew Lunn u32 tree; 11283c0afaeSAndrew Lunn 11383c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 11483c0afaeSAndrew Lunn struct kref refcount; 11583c0afaeSAndrew Lunn 11683c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 11783c0afaeSAndrew Lunn bool applied; 11883c0afaeSAndrew Lunn 119cf50dcc2SBen Hutchings /* 120cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 121cf50dcc2SBen Hutchings * this dsa switch tree instance. 122cf50dcc2SBen Hutchings */ 123cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 124cf85d08fSLennert Buytenhek 12573a7ece8SVivien Didelot /* Copy of tag_ops->rcv for faster access in hot path */ 126a86d8becSFlorian Fainelli struct sk_buff * (*rcv)(struct sk_buff *skb, 1275075314eSAlexander Duyck struct net_device *dev, 1285075314eSAlexander Duyck struct packet_type *pt, 1295075314eSAlexander Duyck struct net_device *orig_dev); 130cf50dcc2SBen Hutchings 131cf50dcc2SBen Hutchings /* 1328b0d3ea5SVivien Didelot * The switch port to which the CPU is attached. 133cf50dcc2SBen Hutchings */ 1348b0d3ea5SVivien Didelot struct dsa_port *cpu_dp; 135cf50dcc2SBen Hutchings 136cf50dcc2SBen Hutchings /* 137cf50dcc2SBen Hutchings * Data for the individual switch chips. 138cf50dcc2SBen Hutchings */ 139cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 14039a7f2a4SAndrew Lunn 14139a7f2a4SAndrew Lunn /* 14239a7f2a4SAndrew Lunn * Tagging protocol operations for adding and removing an 14339a7f2a4SAndrew Lunn * encapsulation tag. 14439a7f2a4SAndrew Lunn */ 14539a7f2a4SAndrew Lunn const struct dsa_device_ops *tag_ops; 146cf50dcc2SBen Hutchings }; 147cf50dcc2SBen Hutchings 148f50f2127SFlorian Fainelli /* TC matchall action types, only mirroring for now */ 149f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 150f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 151f50f2127SFlorian Fainelli }; 152f50f2127SFlorian Fainelli 153f50f2127SFlorian Fainelli /* TC mirroring entry */ 154f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 155f50f2127SFlorian Fainelli u8 to_local_port; 156f50f2127SFlorian Fainelli bool ingress; 157f50f2127SFlorian Fainelli }; 158f50f2127SFlorian Fainelli 159f50f2127SFlorian Fainelli /* TC matchall entry */ 160f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 161f50f2127SFlorian Fainelli struct list_head list; 162f50f2127SFlorian Fainelli unsigned long cookie; 163f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 164f50f2127SFlorian Fainelli union { 165f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 166f50f2127SFlorian Fainelli }; 167f50f2127SFlorian Fainelli }; 168f50f2127SFlorian Fainelli 169f50f2127SFlorian Fainelli 170c8b09808SAndrew Lunn struct dsa_port { 171818be848SVivien Didelot struct dsa_switch *ds; 172818be848SVivien Didelot unsigned int index; 17371e0bbdeSFlorian Fainelli const char *name; 174a29342e7SFlorian Fainelli struct dsa_port *cpu_dp; 175c8b09808SAndrew Lunn struct net_device *netdev; 176189b0d93SAndrew Lunn struct device_node *dn; 17734a79f63SVivien Didelot unsigned int ageing_time; 178732f794cSVivien Didelot u8 stp_state; 179a5e9a02eSVivien Didelot struct net_device *bridge_dev; 18096567d5dSAndrew Lunn struct devlink_port devlink_port; 18167dbb9d4SFlorian Fainelli /* 18267dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 18367dbb9d4SFlorian Fainelli */ 18467dbb9d4SFlorian Fainelli struct ethtool_ops ethtool_ops; 18567dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 186c8b09808SAndrew Lunn }; 187c8b09808SAndrew Lunn 188c8f0b869SBen Hutchings struct dsa_switch { 189c33063d6SAndrew Lunn struct device *dev; 190c33063d6SAndrew Lunn 191c8f0b869SBen Hutchings /* 192c8f0b869SBen Hutchings * Parent switch tree, and switch index. 193c8f0b869SBen Hutchings */ 194c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 195c8f0b869SBen Hutchings int index; 196c8f0b869SBen Hutchings 197f515f192SVivien Didelot /* Listener for switch fabric events */ 198f515f192SVivien Didelot struct notifier_block nb; 199f515f192SVivien Didelot 200c8f0b869SBen Hutchings /* 2017543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 2027543a6d5SAndrew Lunn * structure. 2037543a6d5SAndrew Lunn */ 2047543a6d5SAndrew Lunn void *priv; 2057543a6d5SAndrew Lunn 2067543a6d5SAndrew Lunn /* 207c8f0b869SBen Hutchings * Configuration data for this switch. 208c8f0b869SBen Hutchings */ 209ff04955cSAndrew Lunn struct dsa_chip_data *cd; 210c8f0b869SBen Hutchings 211c8f0b869SBen Hutchings /* 2129d490b4eSVivien Didelot * The switch operations. 213c8f0b869SBen Hutchings */ 214a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 215c8f0b869SBen Hutchings 21666472fc0SAndrew Lunn /* 21766472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 21866472fc0SAndrew Lunn * switch should be used to send packets to that are destined 21966472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 22066472fc0SAndrew Lunn */ 22166472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 22266472fc0SAndrew Lunn 223c8f0b869SBen Hutchings /* 224c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 225c8f0b869SBen Hutchings */ 226c8f0b869SBen Hutchings u32 dsa_port_mask; 22783c0afaeSAndrew Lunn u32 cpu_port_mask; 22874c3e2a5SAndrew Lunn u32 enabled_port_mask; 2290d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 230c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 231a0c02161SVivien Didelot 2320f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 2330f3da6afSVivien Didelot unsigned int ageing_time_min; 2340f3da6afSVivien Didelot unsigned int ageing_time_max; 2350f3da6afSVivien Didelot 23696567d5dSAndrew Lunn /* devlink used to represent this switch device */ 23796567d5dSAndrew Lunn struct devlink *devlink; 23896567d5dSAndrew Lunn 239a0c02161SVivien Didelot /* Dynamically allocated ports, keep last */ 240a0c02161SVivien Didelot size_t num_ports; 241a0c02161SVivien Didelot struct dsa_port ports[]; 242c8f0b869SBen Hutchings }; 243c8f0b869SBen Hutchings 244c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 245c8f0b869SBen Hutchings { 24614be36c2SFlorian Fainelli return !!(ds->cpu_port_mask & (1 << p)); 247c8f0b869SBen Hutchings } 248c8f0b869SBen Hutchings 24960045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 25060045cbfSAndrew Lunn { 25160045cbfSAndrew Lunn return !!((ds->dsa_port_mask) & (1 << p)); 25260045cbfSAndrew Lunn } 25360045cbfSAndrew Lunn 2546cd456f3SVivien Didelot static inline bool dsa_is_normal_port(struct dsa_switch *ds, int p) 2556cd456f3SVivien Didelot { 2566cd456f3SVivien Didelot return !dsa_is_cpu_port(ds, p) && !dsa_is_dsa_port(ds, p); 2576cd456f3SVivien Didelot } 2586cd456f3SVivien Didelot 259c8f0b869SBen Hutchings static inline u8 dsa_upstream_port(struct dsa_switch *ds) 260c8f0b869SBen Hutchings { 261c8f0b869SBen Hutchings struct dsa_switch_tree *dst = ds->dst; 262c8f0b869SBen Hutchings 263c8f0b869SBen Hutchings /* 264c8f0b869SBen Hutchings * If this is the root switch (i.e. the switch that connects 265c8f0b869SBen Hutchings * to the CPU), return the cpu port number on this switch. 266c8f0b869SBen Hutchings * Else return the (DSA) port number that connects to the 267c8f0b869SBen Hutchings * switch that is one hop closer to the cpu. 268c8f0b869SBen Hutchings */ 2698b0d3ea5SVivien Didelot if (dst->cpu_dp->ds == ds) 2708b0d3ea5SVivien Didelot return dst->cpu_dp->index; 271c8f0b869SBen Hutchings else 2728b0d3ea5SVivien Didelot return ds->rtable[dst->cpu_dp->ds->index]; 273c8f0b869SBen Hutchings } 274c8f0b869SBen Hutchings 2759d490b4eSVivien Didelot struct dsa_switch_ops { 276c8f0b869SBen Hutchings /* 277a6a71f19SVivien Didelot * Legacy probing. 278c8f0b869SBen Hutchings */ 2790209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 2800209d144SVivien Didelot struct device *host_dev, int sw_addr, 2810209d144SVivien Didelot void **priv); 2827b314362SAndrew Lunn 2837b314362SAndrew Lunn enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds); 2847b314362SAndrew Lunn 285c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 286c8f0b869SBen Hutchings int (*set_addr)(struct dsa_switch *ds, u8 *addr); 2876819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 288c8f0b869SBen Hutchings 289c8f0b869SBen Hutchings /* 290c8f0b869SBen Hutchings * Access to the switch's PHY registers. 291c8f0b869SBen Hutchings */ 292c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 293c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 294c8f0b869SBen Hutchings int regnum, u16 val); 295c8f0b869SBen Hutchings 296c8f0b869SBen Hutchings /* 297ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 298ec9436baSFlorian Fainelli */ 299ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 300ec9436baSFlorian Fainelli struct phy_device *phydev); 301ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 302ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 303ec9436baSFlorian Fainelli 304ec9436baSFlorian Fainelli /* 305c8f0b869SBen Hutchings * ethtool hardware statistics. 306c8f0b869SBen Hutchings */ 307c8f0b869SBen Hutchings void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); 308c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 309c8f0b869SBen Hutchings int port, uint64_t *data); 310c8f0b869SBen Hutchings int (*get_sset_count)(struct dsa_switch *ds); 31124462549SFlorian Fainelli 31224462549SFlorian Fainelli /* 31319e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 31419e57c4eSFlorian Fainelli */ 31519e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 31619e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 31719e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 31819e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 31919e57c4eSFlorian Fainelli 32019e57c4eSFlorian Fainelli /* 32124462549SFlorian Fainelli * Suspend and resume 32224462549SFlorian Fainelli */ 32324462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 32424462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 325b2f2af21SFlorian Fainelli 326b2f2af21SFlorian Fainelli /* 327b2f2af21SFlorian Fainelli * Port enable/disable 328b2f2af21SFlorian Fainelli */ 329b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 330b2f2af21SFlorian Fainelli struct phy_device *phy); 331b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 332b2f2af21SFlorian Fainelli struct phy_device *phy); 3337905288fSFlorian Fainelli 3347905288fSFlorian Fainelli /* 33508f50061SVivien Didelot * Port's MAC EEE settings 3367905288fSFlorian Fainelli */ 33708f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 3387905288fSFlorian Fainelli struct ethtool_eee *e); 33908f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 3407905288fSFlorian Fainelli struct ethtool_eee *e); 34151579c3fSGuenter Roeck 3426793abb4SGuenter Roeck /* EEPROM access */ 3436793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 3446793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 3456793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3466793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 3476793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3483d762a0fSGuenter Roeck 3493d762a0fSGuenter Roeck /* 3503d762a0fSGuenter Roeck * Register access. 3513d762a0fSGuenter Roeck */ 3523d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 3533d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 3543d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 355b73adef6SFlorian Fainelli 356b73adef6SFlorian Fainelli /* 357b73adef6SFlorian Fainelli * Bridge integration 358b73adef6SFlorian Fainelli */ 35934a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 36071327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 361a6692754SVivien Didelot struct net_device *bridge); 362f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 363f123f2fbSVivien Didelot struct net_device *bridge); 36443c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 365b73adef6SFlorian Fainelli u8 state); 366732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 3672a778e1bSVivien Didelot 3682a778e1bSVivien Didelot /* 36911149536SVivien Didelot * VLAN support 37011149536SVivien Didelot */ 371fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 372fb2dabadSVivien Didelot bool vlan_filtering); 37376e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 37476e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 37576e398a6SVivien Didelot struct switchdev_trans *trans); 3764d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 37776e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 37876e398a6SVivien Didelot struct switchdev_trans *trans); 37976e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 38076e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 38165aebfc0SVivien Didelot int (*port_vlan_dump)(struct dsa_switch *ds, int port, 38265aebfc0SVivien Didelot struct switchdev_obj_port_vlan *vlan, 383438ff537SVivien Didelot switchdev_obj_dump_cb_t *cb); 38411149536SVivien Didelot 38511149536SVivien Didelot /* 3862a778e1bSVivien Didelot * Forwarding database 3872a778e1bSVivien Didelot */ 388146a3206SVivien Didelot int (*port_fdb_prepare)(struct dsa_switch *ds, int port, 3896c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 3908497aa61SVivien Didelot void (*port_fdb_add)(struct dsa_switch *ds, int port, 3916c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 3922a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 3936c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 394ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 395ea70ba98SVivien Didelot struct switchdev_obj_port_fdb *fdb, 396438ff537SVivien Didelot switchdev_obj_dump_cb_t *cb); 3978df30255SVivien Didelot 3988df30255SVivien Didelot /* 3998df30255SVivien Didelot * Multicast database 4008df30255SVivien Didelot */ 4018df30255SVivien Didelot int (*port_mdb_prepare)(struct dsa_switch *ds, int port, 4028df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4038df30255SVivien Didelot struct switchdev_trans *trans); 4048df30255SVivien Didelot void (*port_mdb_add)(struct dsa_switch *ds, int port, 4058df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4068df30255SVivien Didelot struct switchdev_trans *trans); 4078df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 4088df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4098df30255SVivien Didelot int (*port_mdb_dump)(struct dsa_switch *ds, int port, 4108df30255SVivien Didelot struct switchdev_obj_port_mdb *mdb, 411438ff537SVivien Didelot switchdev_obj_dump_cb_t *cb); 412bf9f2648SFlorian Fainelli 413bf9f2648SFlorian Fainelli /* 414bf9f2648SFlorian Fainelli * RXNFC 415bf9f2648SFlorian Fainelli */ 416bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 417bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 418bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 419bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 420f50f2127SFlorian Fainelli 421f50f2127SFlorian Fainelli /* 422f50f2127SFlorian Fainelli * TC integration 423f50f2127SFlorian Fainelli */ 424f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 425f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 426f50f2127SFlorian Fainelli bool ingress); 427f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 428f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 42940ef2c93SVivien Didelot 43040ef2c93SVivien Didelot /* 43140ef2c93SVivien Didelot * Cross-chip operations 43240ef2c93SVivien Didelot */ 43340ef2c93SVivien Didelot int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, 43440ef2c93SVivien Didelot int port, struct net_device *br); 43540ef2c93SVivien Didelot void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, 43640ef2c93SVivien Didelot int port, struct net_device *br); 437c8f0b869SBen Hutchings }; 438c8f0b869SBen Hutchings 439ab3d408dSFlorian Fainelli struct dsa_switch_driver { 440ab3d408dSFlorian Fainelli struct list_head list; 441a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 442ab3d408dSFlorian Fainelli }; 443ab3d408dSFlorian Fainelli 444a6a71f19SVivien Didelot /* Legacy driver registration */ 445ab3d408dSFlorian Fainelli void register_switch_driver(struct dsa_switch_driver *type); 446ab3d408dSFlorian Fainelli void unregister_switch_driver(struct dsa_switch_driver *type); 447b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 448a6a71f19SVivien Didelot 44914b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 450c8f0b869SBen Hutchings 45173a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 452c6e970a0SAndrew Lunn static inline bool netdev_uses_dsa(struct net_device *dev) 453c6e970a0SAndrew Lunn { 454c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 455717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 456c6e970a0SAndrew Lunn #endif 457c6e970a0SAndrew Lunn return false; 458c6e970a0SAndrew Lunn } 459c6e970a0SAndrew Lunn 460a0c02161SVivien Didelot struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); 46183c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 46223c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 463ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 464ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 465ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 466ea825e70SFlorian Fainelli #else 467ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 468ea825e70SFlorian Fainelli { 469ea825e70SFlorian Fainelli return 0; 470ea825e70SFlorian Fainelli } 471ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 472ea825e70SFlorian Fainelli { 473ea825e70SFlorian Fainelli return 0; 474ea825e70SFlorian Fainelli } 475ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 476ea825e70SFlorian Fainelli 47791da11f8SLennert Buytenhek #endif 478