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 10468277a2cSJohn Crispin struct dsa_device_ops { 10568277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 10668277a2cSJohn Crispin struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 10789e49506SFlorian Westphal struct packet_type *pt); 108598a9680SJohn Crispin int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 109598a9680SJohn Crispin int *offset); 11068277a2cSJohn Crispin }; 11168277a2cSJohn Crispin 112cf50dcc2SBen Hutchings struct dsa_switch_tree { 11383c0afaeSAndrew Lunn struct list_head list; 11483c0afaeSAndrew Lunn 115f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 116f515f192SVivien Didelot struct raw_notifier_head nh; 117f515f192SVivien Didelot 11883c0afaeSAndrew Lunn /* Tree identifier */ 11983c0afaeSAndrew Lunn u32 tree; 12083c0afaeSAndrew Lunn 12183c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 12283c0afaeSAndrew Lunn struct kref refcount; 12383c0afaeSAndrew Lunn 12483c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 12583c0afaeSAndrew Lunn bool applied; 12683c0afaeSAndrew Lunn 127cf50dcc2SBen Hutchings /* 128cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 129cf50dcc2SBen Hutchings * this dsa switch tree instance. 130cf50dcc2SBen Hutchings */ 131cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 132cf85d08fSLennert Buytenhek 133cf50dcc2SBen Hutchings /* 1348b0d3ea5SVivien Didelot * The switch port to which the CPU is attached. 135cf50dcc2SBen Hutchings */ 1368b0d3ea5SVivien Didelot struct dsa_port *cpu_dp; 137cf50dcc2SBen Hutchings 138cf50dcc2SBen Hutchings /* 139cf50dcc2SBen Hutchings * Data for the individual switch chips. 140cf50dcc2SBen Hutchings */ 141cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 142cf50dcc2SBen Hutchings }; 143cf50dcc2SBen Hutchings 144f50f2127SFlorian Fainelli /* TC matchall action types, only mirroring for now */ 145f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 146f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 147f50f2127SFlorian Fainelli }; 148f50f2127SFlorian Fainelli 149f50f2127SFlorian Fainelli /* TC mirroring entry */ 150f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 151f50f2127SFlorian Fainelli u8 to_local_port; 152f50f2127SFlorian Fainelli bool ingress; 153f50f2127SFlorian Fainelli }; 154f50f2127SFlorian Fainelli 155f50f2127SFlorian Fainelli /* TC matchall entry */ 156f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 157f50f2127SFlorian Fainelli struct list_head list; 158f50f2127SFlorian Fainelli unsigned long cookie; 159f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 160f50f2127SFlorian Fainelli union { 161f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 162f50f2127SFlorian Fainelli }; 163f50f2127SFlorian Fainelli }; 164f50f2127SFlorian Fainelli 165f50f2127SFlorian Fainelli 166c8b09808SAndrew Lunn struct dsa_port { 16715240248SVivien Didelot /* CPU port tagging operations used by master or slave devices */ 16815240248SVivien Didelot const struct dsa_device_ops *tag_ops; 16915240248SVivien Didelot 1703e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 1713e41f93bSVivien Didelot struct dsa_switch_tree *dst; 1723e41f93bSVivien Didelot struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 1733e41f93bSVivien Didelot struct packet_type *pt); 1743e41f93bSVivien Didelot 175818be848SVivien Didelot struct dsa_switch *ds; 176818be848SVivien Didelot unsigned int index; 17771e0bbdeSFlorian Fainelli const char *name; 178a29342e7SFlorian Fainelli struct dsa_port *cpu_dp; 179c8b09808SAndrew Lunn struct net_device *netdev; 180189b0d93SAndrew Lunn struct device_node *dn; 18134a79f63SVivien Didelot unsigned int ageing_time; 182732f794cSVivien Didelot u8 stp_state; 183a5e9a02eSVivien Didelot struct net_device *bridge_dev; 18496567d5dSAndrew Lunn struct devlink_port devlink_port; 18567dbb9d4SFlorian Fainelli /* 18667dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 18767dbb9d4SFlorian Fainelli */ 18867dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 189c8b09808SAndrew Lunn }; 190c8b09808SAndrew Lunn 191c8f0b869SBen Hutchings struct dsa_switch { 192c33063d6SAndrew Lunn struct device *dev; 193c33063d6SAndrew Lunn 194c8f0b869SBen Hutchings /* 195c8f0b869SBen Hutchings * Parent switch tree, and switch index. 196c8f0b869SBen Hutchings */ 197c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 198c8f0b869SBen Hutchings int index; 199c8f0b869SBen Hutchings 200f515f192SVivien Didelot /* Listener for switch fabric events */ 201f515f192SVivien Didelot struct notifier_block nb; 202f515f192SVivien Didelot 203c8f0b869SBen Hutchings /* 2047543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 2057543a6d5SAndrew Lunn * structure. 2067543a6d5SAndrew Lunn */ 2077543a6d5SAndrew Lunn void *priv; 2087543a6d5SAndrew Lunn 2097543a6d5SAndrew Lunn /* 210c8f0b869SBen Hutchings * Configuration data for this switch. 211c8f0b869SBen Hutchings */ 212ff04955cSAndrew Lunn struct dsa_chip_data *cd; 213c8f0b869SBen Hutchings 214c8f0b869SBen Hutchings /* 2159d490b4eSVivien Didelot * The switch operations. 216c8f0b869SBen Hutchings */ 217a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 218c8f0b869SBen Hutchings 21966472fc0SAndrew Lunn /* 22066472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 22166472fc0SAndrew Lunn * switch should be used to send packets to that are destined 22266472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 22366472fc0SAndrew Lunn */ 22466472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 22566472fc0SAndrew Lunn 226c8f0b869SBen Hutchings /* 227c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 228c8f0b869SBen Hutchings */ 229c8f0b869SBen Hutchings u32 dsa_port_mask; 23083c0afaeSAndrew Lunn u32 cpu_port_mask; 23174c3e2a5SAndrew Lunn u32 enabled_port_mask; 2320d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 233c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 234a0c02161SVivien Didelot 2350f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 2360f3da6afSVivien Didelot unsigned int ageing_time_min; 2370f3da6afSVivien Didelot unsigned int ageing_time_max; 2380f3da6afSVivien Didelot 23996567d5dSAndrew Lunn /* devlink used to represent this switch device */ 24096567d5dSAndrew Lunn struct devlink *devlink; 24196567d5dSAndrew Lunn 24255199df6SFlorian Fainelli /* Number of switch port queues */ 24355199df6SFlorian Fainelli unsigned int num_tx_queues; 24455199df6SFlorian Fainelli 245a0c02161SVivien Didelot /* Dynamically allocated ports, keep last */ 246a0c02161SVivien Didelot size_t num_ports; 247a0c02161SVivien Didelot struct dsa_port ports[]; 248c8f0b869SBen Hutchings }; 249c8f0b869SBen Hutchings 250c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 251c8f0b869SBen Hutchings { 25214be36c2SFlorian Fainelli return !!(ds->cpu_port_mask & (1 << p)); 253c8f0b869SBen Hutchings } 254c8f0b869SBen Hutchings 25560045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 25660045cbfSAndrew Lunn { 25760045cbfSAndrew Lunn return !!((ds->dsa_port_mask) & (1 << p)); 25860045cbfSAndrew Lunn } 25960045cbfSAndrew Lunn 2606cd456f3SVivien Didelot static inline bool dsa_is_normal_port(struct dsa_switch *ds, int p) 2616cd456f3SVivien Didelot { 2626cd456f3SVivien Didelot return !dsa_is_cpu_port(ds, p) && !dsa_is_dsa_port(ds, p); 2636cd456f3SVivien Didelot } 2646cd456f3SVivien Didelot 265c8f0b869SBen Hutchings static inline u8 dsa_upstream_port(struct dsa_switch *ds) 266c8f0b869SBen Hutchings { 267c8f0b869SBen Hutchings struct dsa_switch_tree *dst = ds->dst; 268c8f0b869SBen Hutchings 269c8f0b869SBen Hutchings /* 270c8f0b869SBen Hutchings * If this is the root switch (i.e. the switch that connects 271c8f0b869SBen Hutchings * to the CPU), return the cpu port number on this switch. 272c8f0b869SBen Hutchings * Else return the (DSA) port number that connects to the 273c8f0b869SBen Hutchings * switch that is one hop closer to the cpu. 274c8f0b869SBen Hutchings */ 2758b0d3ea5SVivien Didelot if (dst->cpu_dp->ds == ds) 2768b0d3ea5SVivien Didelot return dst->cpu_dp->index; 277c8f0b869SBen Hutchings else 2788b0d3ea5SVivien Didelot return ds->rtable[dst->cpu_dp->ds->index]; 279c8f0b869SBen Hutchings } 280c8f0b869SBen Hutchings 2812bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 2822bedde1aSArkadi Sharshevsky bool is_static, void *data); 2839d490b4eSVivien Didelot struct dsa_switch_ops { 284c8f0b869SBen Hutchings /* 285a6a71f19SVivien Didelot * Legacy probing. 286c8f0b869SBen Hutchings */ 2870209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 2880209d144SVivien Didelot struct device *host_dev, int sw_addr, 2890209d144SVivien Didelot void **priv); 2907b314362SAndrew Lunn 2917b314362SAndrew Lunn enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds); 2927b314362SAndrew Lunn 293c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 294c8f0b869SBen Hutchings int (*set_addr)(struct dsa_switch *ds, u8 *addr); 2956819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 296c8f0b869SBen Hutchings 297c8f0b869SBen Hutchings /* 298c8f0b869SBen Hutchings * Access to the switch's PHY registers. 299c8f0b869SBen Hutchings */ 300c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 301c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 302c8f0b869SBen Hutchings int regnum, u16 val); 303c8f0b869SBen Hutchings 304c8f0b869SBen Hutchings /* 305ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 306ec9436baSFlorian Fainelli */ 307ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 308ec9436baSFlorian Fainelli struct phy_device *phydev); 309ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 310ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 311ec9436baSFlorian Fainelli 312ec9436baSFlorian Fainelli /* 313c8f0b869SBen Hutchings * ethtool hardware statistics. 314c8f0b869SBen Hutchings */ 315c8f0b869SBen Hutchings void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); 316c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 317c8f0b869SBen Hutchings int port, uint64_t *data); 318c8f0b869SBen Hutchings int (*get_sset_count)(struct dsa_switch *ds); 31924462549SFlorian Fainelli 32024462549SFlorian Fainelli /* 32119e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 32219e57c4eSFlorian Fainelli */ 32319e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 32419e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 32519e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 32619e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 32719e57c4eSFlorian Fainelli 32819e57c4eSFlorian Fainelli /* 32924462549SFlorian Fainelli * Suspend and resume 33024462549SFlorian Fainelli */ 33124462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 33224462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 333b2f2af21SFlorian Fainelli 334b2f2af21SFlorian Fainelli /* 335b2f2af21SFlorian Fainelli * Port enable/disable 336b2f2af21SFlorian Fainelli */ 337b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 338b2f2af21SFlorian Fainelli struct phy_device *phy); 339b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 340b2f2af21SFlorian Fainelli struct phy_device *phy); 3417905288fSFlorian Fainelli 3427905288fSFlorian Fainelli /* 34308f50061SVivien Didelot * Port's MAC EEE settings 3447905288fSFlorian Fainelli */ 34508f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 3467905288fSFlorian Fainelli struct ethtool_eee *e); 34708f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 3487905288fSFlorian Fainelli struct ethtool_eee *e); 34951579c3fSGuenter Roeck 3506793abb4SGuenter Roeck /* EEPROM access */ 3516793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 3526793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 3536793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3546793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 3556793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3563d762a0fSGuenter Roeck 3573d762a0fSGuenter Roeck /* 3583d762a0fSGuenter Roeck * Register access. 3593d762a0fSGuenter Roeck */ 3603d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 3613d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 3623d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 363b73adef6SFlorian Fainelli 364b73adef6SFlorian Fainelli /* 365b73adef6SFlorian Fainelli * Bridge integration 366b73adef6SFlorian Fainelli */ 36734a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 36871327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 369a6692754SVivien Didelot struct net_device *bridge); 370f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 371f123f2fbSVivien Didelot struct net_device *bridge); 37243c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 373b73adef6SFlorian Fainelli u8 state); 374732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 3752a778e1bSVivien Didelot 3762a778e1bSVivien Didelot /* 37711149536SVivien Didelot * VLAN support 37811149536SVivien Didelot */ 379fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 380fb2dabadSVivien Didelot bool vlan_filtering); 38176e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 38276e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 38376e398a6SVivien Didelot struct switchdev_trans *trans); 3844d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 38576e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan, 38676e398a6SVivien Didelot struct switchdev_trans *trans); 38776e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 38876e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 38911149536SVivien Didelot /* 3902a778e1bSVivien Didelot * Forwarding database 3912a778e1bSVivien Didelot */ 3921b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 3936c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 3942a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 3956c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 396ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 3972bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 3988df30255SVivien Didelot 3998df30255SVivien Didelot /* 4008df30255SVivien Didelot * Multicast database 4018df30255SVivien Didelot */ 4028df30255SVivien Didelot int (*port_mdb_prepare)(struct dsa_switch *ds, int port, 4038df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4048df30255SVivien Didelot struct switchdev_trans *trans); 4058df30255SVivien Didelot void (*port_mdb_add)(struct dsa_switch *ds, int port, 4068df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb, 4078df30255SVivien Didelot struct switchdev_trans *trans); 4088df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 4098df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 410bf9f2648SFlorian Fainelli /* 411bf9f2648SFlorian Fainelli * RXNFC 412bf9f2648SFlorian Fainelli */ 413bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 414bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 415bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 416bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 417f50f2127SFlorian Fainelli 418f50f2127SFlorian Fainelli /* 419f50f2127SFlorian Fainelli * TC integration 420f50f2127SFlorian Fainelli */ 421f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 422f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 423f50f2127SFlorian Fainelli bool ingress); 424f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 425f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 42640ef2c93SVivien Didelot 42740ef2c93SVivien Didelot /* 42840ef2c93SVivien Didelot * Cross-chip operations 42940ef2c93SVivien Didelot */ 43040ef2c93SVivien Didelot int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, 43140ef2c93SVivien Didelot int port, struct net_device *br); 43240ef2c93SVivien Didelot void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, 43340ef2c93SVivien Didelot int port, struct net_device *br); 434c8f0b869SBen Hutchings }; 435c8f0b869SBen Hutchings 436ab3d408dSFlorian Fainelli struct dsa_switch_driver { 437ab3d408dSFlorian Fainelli struct list_head list; 438a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 439ab3d408dSFlorian Fainelli }; 440ab3d408dSFlorian Fainelli 441a6a71f19SVivien Didelot /* Legacy driver registration */ 442ab3d408dSFlorian Fainelli void register_switch_driver(struct dsa_switch_driver *type); 443ab3d408dSFlorian Fainelli void unregister_switch_driver(struct dsa_switch_driver *type); 444b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 445a6a71f19SVivien Didelot 44614b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 447c8f0b869SBen Hutchings 44873a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 449c6e970a0SAndrew Lunn static inline bool netdev_uses_dsa(struct net_device *dev) 450c6e970a0SAndrew Lunn { 451c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 452717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 453c6e970a0SAndrew Lunn #endif 454c6e970a0SAndrew Lunn return false; 455c6e970a0SAndrew Lunn } 456c6e970a0SAndrew Lunn 457a0c02161SVivien Didelot struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); 45883c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 45923c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 460ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 461ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 462ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 463ea825e70SFlorian Fainelli #else 464ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 465ea825e70SFlorian Fainelli { 466ea825e70SFlorian Fainelli return 0; 467ea825e70SFlorian Fainelli } 468ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 469ea825e70SFlorian Fainelli { 470ea825e70SFlorian Fainelli return 0; 471ea825e70SFlorian Fainelli } 472ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 473ea825e70SFlorian Fainelli 474*60724d4bSFlorian Fainelli enum dsa_notifier_type { 475*60724d4bSFlorian Fainelli DSA_PORT_REGISTER, 476*60724d4bSFlorian Fainelli DSA_PORT_UNREGISTER, 477*60724d4bSFlorian Fainelli }; 478*60724d4bSFlorian Fainelli 479*60724d4bSFlorian Fainelli struct dsa_notifier_info { 480*60724d4bSFlorian Fainelli struct net_device *dev; 481*60724d4bSFlorian Fainelli }; 482*60724d4bSFlorian Fainelli 483*60724d4bSFlorian Fainelli struct dsa_notifier_register_info { 484*60724d4bSFlorian Fainelli struct dsa_notifier_info info; /* must be first */ 485*60724d4bSFlorian Fainelli struct net_device *master; 486*60724d4bSFlorian Fainelli unsigned int port_number; 487*60724d4bSFlorian Fainelli unsigned int switch_number; 488*60724d4bSFlorian Fainelli }; 489*60724d4bSFlorian Fainelli 490*60724d4bSFlorian Fainelli static inline struct net_device * 491*60724d4bSFlorian Fainelli dsa_notifier_info_to_dev(const struct dsa_notifier_info *info) 492*60724d4bSFlorian Fainelli { 493*60724d4bSFlorian Fainelli return info->dev; 494*60724d4bSFlorian Fainelli } 495*60724d4bSFlorian Fainelli 496*60724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 497*60724d4bSFlorian Fainelli int register_dsa_notifier(struct notifier_block *nb); 498*60724d4bSFlorian Fainelli int unregister_dsa_notifier(struct notifier_block *nb); 499*60724d4bSFlorian Fainelli int call_dsa_notifiers(unsigned long val, struct net_device *dev, 500*60724d4bSFlorian Fainelli struct dsa_notifier_info *info); 501*60724d4bSFlorian Fainelli #else 502*60724d4bSFlorian Fainelli static inline int register_dsa_notifier(struct notifier_block *nb) 503*60724d4bSFlorian Fainelli { 504*60724d4bSFlorian Fainelli return 0; 505*60724d4bSFlorian Fainelli } 506*60724d4bSFlorian Fainelli 507*60724d4bSFlorian Fainelli static inline int unregister_dsa_notifier(struct notifier_block *nb) 508*60724d4bSFlorian Fainelli { 509*60724d4bSFlorian Fainelli return 0; 510*60724d4bSFlorian Fainelli } 511*60724d4bSFlorian Fainelli 512*60724d4bSFlorian Fainelli static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev, 513*60724d4bSFlorian Fainelli struct dsa_notifier_info *info) 514*60724d4bSFlorian Fainelli { 515*60724d4bSFlorian Fainelli return NOTIFY_DONE; 516*60724d4bSFlorian Fainelli } 517*60724d4bSFlorian Fainelli #endif 518*60724d4bSFlorian Fainelli 51991da11f8SLennert Buytenhek #endif 520