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> 24ecfc9372SFlorian Fainelli #include <linux/platform_data/dsa.h> 2596567d5dSAndrew Lunn #include <net/devlink.h> 26f0c24ccfSVivien Didelot #include <net/switchdev.h> 27cf50dcc2SBen Hutchings 28f50f2127SFlorian Fainelli struct tc_action; 294d56a29fSRussell King struct phy_device; 304d56a29fSRussell King struct fixed_phy_status; 3111d8f3ddSFlorian Fainelli struct phylink_link_state; 32f50f2127SFlorian Fainelli 33ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 34ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_NONE = 0, 35ac7a04c3SFlorian Fainelli DSA_TAG_PROTO_BRCM, 36b74b70c4SFlorian Fainelli DSA_TAG_PROTO_BRCM_PREPEND, 37eb7b7211SAndrew Lunn DSA_TAG_PROTO_DSA, 38eb7b7211SAndrew Lunn DSA_TAG_PROTO_EDSA, 3979691192SHauke Mehrtens DSA_TAG_PROTO_GSWIP, 4039d6b96fSTristram Ha DSA_TAG_PROTO_KSZ9477, 41e8fe177aSJuergen Beisert DSA_TAG_PROTO_LAN9303, 42eb7b7211SAndrew Lunn DSA_TAG_PROTO_MTK, 43eb7b7211SAndrew Lunn DSA_TAG_PROTO_QCA, 44eb7b7211SAndrew Lunn DSA_TAG_PROTO_TRAILER, 4539a7f2a4SAndrew Lunn DSA_TAG_LAST, /* MUST BE LAST */ 46ac7a04c3SFlorian Fainelli }; 475037d532SFlorian Fainelli 485075314eSAlexander Duyck struct packet_type; 4990af1059SBrandon Streiff struct dsa_switch; 503e8a72d1SFlorian Fainelli 5168277a2cSJohn Crispin struct dsa_device_ops { 5268277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 5368277a2cSJohn Crispin struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 5489e49506SFlorian Westphal struct packet_type *pt); 55598a9680SJohn Crispin int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 56598a9680SJohn Crispin int *offset); 57a5dd3087SAndrew Lunn unsigned int overhead; 5868277a2cSJohn Crispin }; 5968277a2cSJohn Crispin 60cf50dcc2SBen Hutchings struct dsa_switch_tree { 6183c0afaeSAndrew Lunn struct list_head list; 6283c0afaeSAndrew Lunn 63f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 64f515f192SVivien Didelot struct raw_notifier_head nh; 65f515f192SVivien Didelot 6683c0afaeSAndrew Lunn /* Tree identifier */ 6749463b7fSVivien Didelot unsigned int index; 6883c0afaeSAndrew Lunn 6983c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 7083c0afaeSAndrew Lunn struct kref refcount; 7183c0afaeSAndrew Lunn 7283c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 73ec15dd42SVivien Didelot bool setup; 7483c0afaeSAndrew Lunn 75cf50dcc2SBen Hutchings /* 76cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 77cf50dcc2SBen Hutchings * this dsa switch tree instance. 78cf50dcc2SBen Hutchings */ 79cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 80cf85d08fSLennert Buytenhek 81cf50dcc2SBen Hutchings /* 828b0d3ea5SVivien Didelot * The switch port to which the CPU is attached. 83cf50dcc2SBen Hutchings */ 848b0d3ea5SVivien Didelot struct dsa_port *cpu_dp; 85cf50dcc2SBen Hutchings 86cf50dcc2SBen Hutchings /* 87cf50dcc2SBen Hutchings * Data for the individual switch chips. 88cf50dcc2SBen Hutchings */ 89cf50dcc2SBen Hutchings struct dsa_switch *ds[DSA_MAX_SWITCHES]; 90cf50dcc2SBen Hutchings }; 91cf50dcc2SBen Hutchings 92f50f2127SFlorian Fainelli /* TC matchall action types, only mirroring for now */ 93f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 94f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 95f50f2127SFlorian Fainelli }; 96f50f2127SFlorian Fainelli 97f50f2127SFlorian Fainelli /* TC mirroring entry */ 98f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 99f50f2127SFlorian Fainelli u8 to_local_port; 100f50f2127SFlorian Fainelli bool ingress; 101f50f2127SFlorian Fainelli }; 102f50f2127SFlorian Fainelli 103f50f2127SFlorian Fainelli /* TC matchall entry */ 104f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 105f50f2127SFlorian Fainelli struct list_head list; 106f50f2127SFlorian Fainelli unsigned long cookie; 107f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 108f50f2127SFlorian Fainelli union { 109f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 110f50f2127SFlorian Fainelli }; 111f50f2127SFlorian Fainelli }; 112f50f2127SFlorian Fainelli 113f50f2127SFlorian Fainelli 114c8b09808SAndrew Lunn struct dsa_port { 115f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 116f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 117f8b8b1cdSVivien Didelot */ 118f8b8b1cdSVivien Didelot union { 119f8b8b1cdSVivien Didelot struct net_device *master; 120f8b8b1cdSVivien Didelot struct net_device *slave; 121f8b8b1cdSVivien Didelot }; 122f8b8b1cdSVivien Didelot 12315240248SVivien Didelot /* CPU port tagging operations used by master or slave devices */ 12415240248SVivien Didelot const struct dsa_device_ops *tag_ops; 12515240248SVivien Didelot 1263e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 1273e41f93bSVivien Didelot struct dsa_switch_tree *dst; 1283e41f93bSVivien Didelot struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 1293e41f93bSVivien Didelot struct packet_type *pt); 1303e41f93bSVivien Didelot 131057cad2cSVivien Didelot enum { 132057cad2cSVivien Didelot DSA_PORT_TYPE_UNUSED = 0, 133057cad2cSVivien Didelot DSA_PORT_TYPE_CPU, 134057cad2cSVivien Didelot DSA_PORT_TYPE_DSA, 135057cad2cSVivien Didelot DSA_PORT_TYPE_USER, 136057cad2cSVivien Didelot } type; 137057cad2cSVivien Didelot 138818be848SVivien Didelot struct dsa_switch *ds; 139818be848SVivien Didelot unsigned int index; 14071e0bbdeSFlorian Fainelli const char *name; 14124a9332aSVivien Didelot const struct dsa_port *cpu_dp; 142189b0d93SAndrew Lunn struct device_node *dn; 14334a79f63SVivien Didelot unsigned int ageing_time; 144732f794cSVivien Didelot u8 stp_state; 145a5e9a02eSVivien Didelot struct net_device *bridge_dev; 14696567d5dSAndrew Lunn struct devlink_port devlink_port; 147aab9c406SFlorian Fainelli struct phylink *pl; 14867dbb9d4SFlorian Fainelli /* 14967dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 15067dbb9d4SFlorian Fainelli */ 15167dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 152da7b9e9bSFlorian Fainelli 153da7b9e9bSFlorian Fainelli /* 154da7b9e9bSFlorian Fainelli * Original copy of the master netdev net_device_ops 155da7b9e9bSFlorian Fainelli */ 156da7b9e9bSFlorian Fainelli const struct net_device_ops *orig_ndo_ops; 157c8b09808SAndrew Lunn }; 158c8b09808SAndrew Lunn 159c8f0b869SBen Hutchings struct dsa_switch { 160c33063d6SAndrew Lunn struct device *dev; 161c33063d6SAndrew Lunn 162c8f0b869SBen Hutchings /* 163c8f0b869SBen Hutchings * Parent switch tree, and switch index. 164c8f0b869SBen Hutchings */ 165c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 16699feaafcSVivien Didelot unsigned int index; 167c8f0b869SBen Hutchings 168f515f192SVivien Didelot /* Listener for switch fabric events */ 169f515f192SVivien Didelot struct notifier_block nb; 170f515f192SVivien Didelot 171c8f0b869SBen Hutchings /* 1727543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 1737543a6d5SAndrew Lunn * structure. 1747543a6d5SAndrew Lunn */ 1757543a6d5SAndrew Lunn void *priv; 1767543a6d5SAndrew Lunn 1777543a6d5SAndrew Lunn /* 178c8f0b869SBen Hutchings * Configuration data for this switch. 179c8f0b869SBen Hutchings */ 180ff04955cSAndrew Lunn struct dsa_chip_data *cd; 181c8f0b869SBen Hutchings 182c8f0b869SBen Hutchings /* 1839d490b4eSVivien Didelot * The switch operations. 184c8f0b869SBen Hutchings */ 185a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 186c8f0b869SBen Hutchings 18766472fc0SAndrew Lunn /* 18866472fc0SAndrew Lunn * An array of which element [a] indicates which port on this 18966472fc0SAndrew Lunn * switch should be used to send packets to that are destined 19066472fc0SAndrew Lunn * for switch a. Can be NULL if there is only one switch chip. 19166472fc0SAndrew Lunn */ 19266472fc0SAndrew Lunn s8 rtable[DSA_MAX_SWITCHES]; 19366472fc0SAndrew Lunn 194c8f0b869SBen Hutchings /* 195c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 196c8f0b869SBen Hutchings */ 1970d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 198c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 199a0c02161SVivien Didelot 2000f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 2010f3da6afSVivien Didelot unsigned int ageing_time_min; 2020f3da6afSVivien Didelot unsigned int ageing_time_max; 2030f3da6afSVivien Didelot 20496567d5dSAndrew Lunn /* devlink used to represent this switch device */ 20596567d5dSAndrew Lunn struct devlink *devlink; 20696567d5dSAndrew Lunn 20755199df6SFlorian Fainelli /* Number of switch port queues */ 20855199df6SFlorian Fainelli unsigned int num_tx_queues; 20955199df6SFlorian Fainelli 2100015b80aSSalvatore Mesoraca unsigned long *bitmap; 2110015b80aSSalvatore Mesoraca unsigned long _bitmap; 2120015b80aSSalvatore Mesoraca 213a0c02161SVivien Didelot /* Dynamically allocated ports, keep last */ 214a0c02161SVivien Didelot size_t num_ports; 215a0c02161SVivien Didelot struct dsa_port ports[]; 216c8f0b869SBen Hutchings }; 217c8f0b869SBen Hutchings 218c38c5a66SVivien Didelot static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) 219c38c5a66SVivien Didelot { 220c38c5a66SVivien Didelot return &ds->ports[p]; 221c38c5a66SVivien Didelot } 222c38c5a66SVivien Didelot 223bff7b688SVivien Didelot static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) 224bff7b688SVivien Didelot { 225c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; 226bff7b688SVivien Didelot } 227bff7b688SVivien Didelot 228c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 229c8f0b869SBen Hutchings { 230c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; 231c8f0b869SBen Hutchings } 232c8f0b869SBen Hutchings 23360045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 23460045cbfSAndrew Lunn { 235c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; 23660045cbfSAndrew Lunn } 23760045cbfSAndrew Lunn 2382b3e9891SVivien Didelot static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) 2396cd456f3SVivien Didelot { 240c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; 2416cd456f3SVivien Didelot } 2426cd456f3SVivien Didelot 24302bc6e54SVivien Didelot static inline u32 dsa_user_ports(struct dsa_switch *ds) 24402bc6e54SVivien Didelot { 245c38c5a66SVivien Didelot u32 mask = 0; 246c38c5a66SVivien Didelot int p; 24702bc6e54SVivien Didelot 248c38c5a66SVivien Didelot for (p = 0; p < ds->num_ports; p++) 249c38c5a66SVivien Didelot if (dsa_is_user_port(ds, p)) 250c38c5a66SVivien Didelot mask |= BIT(p); 251c38c5a66SVivien Didelot 252c38c5a66SVivien Didelot return mask; 253c8652c83SVivien Didelot } 254c8652c83SVivien Didelot 2553b8fac5dSVivien Didelot /* Return the local port used to reach an arbitrary switch port */ 2563b8fac5dSVivien Didelot static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, 2573b8fac5dSVivien Didelot int port) 2583b8fac5dSVivien Didelot { 2593b8fac5dSVivien Didelot if (device == ds->index) 2603b8fac5dSVivien Didelot return port; 2613b8fac5dSVivien Didelot else 2623b8fac5dSVivien Didelot return ds->rtable[device]; 2633b8fac5dSVivien Didelot } 2643b8fac5dSVivien Didelot 2653b8fac5dSVivien Didelot /* Return the local port used to reach the dedicated CPU port */ 26607073c79SVivien Didelot static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) 267c8f0b869SBen Hutchings { 26807073c79SVivien Didelot const struct dsa_port *dp = dsa_to_port(ds, port); 26907073c79SVivien Didelot const struct dsa_port *cpu_dp = dp->cpu_dp; 27007073c79SVivien Didelot 27107073c79SVivien Didelot if (!cpu_dp) 27207073c79SVivien Didelot return port; 273c8f0b869SBen Hutchings 2743b8fac5dSVivien Didelot return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); 275c8f0b869SBen Hutchings } 276c8f0b869SBen Hutchings 2772bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 2782bedde1aSArkadi Sharshevsky bool is_static, void *data); 2799d490b4eSVivien Didelot struct dsa_switch_ops { 2802a93c1a3SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) 281c8f0b869SBen Hutchings /* 282a6a71f19SVivien Didelot * Legacy probing. 283c8f0b869SBen Hutchings */ 2840209d144SVivien Didelot const char *(*probe)(struct device *dsa_dev, 2850209d144SVivien Didelot struct device *host_dev, int sw_addr, 2860209d144SVivien Didelot void **priv); 2872a93c1a3SFlorian Fainelli #endif 2887b314362SAndrew Lunn 2895ed4e3ebSFlorian Fainelli enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, 2905ed4e3ebSFlorian Fainelli int port); 2917b314362SAndrew Lunn 292c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 2936819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 294c8f0b869SBen Hutchings 295c8f0b869SBen Hutchings /* 296c8f0b869SBen Hutchings * Access to the switch's PHY registers. 297c8f0b869SBen Hutchings */ 298c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 299c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 300c8f0b869SBen Hutchings int regnum, u16 val); 301c8f0b869SBen Hutchings 302c8f0b869SBen Hutchings /* 303ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 304ec9436baSFlorian Fainelli */ 305ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 306ec9436baSFlorian Fainelli struct phy_device *phydev); 307ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 308ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 309ec9436baSFlorian Fainelli 310ec9436baSFlorian Fainelli /* 31111d8f3ddSFlorian Fainelli * PHYLINK integration 31211d8f3ddSFlorian Fainelli */ 31311d8f3ddSFlorian Fainelli void (*phylink_validate)(struct dsa_switch *ds, int port, 31411d8f3ddSFlorian Fainelli unsigned long *supported, 31511d8f3ddSFlorian Fainelli struct phylink_link_state *state); 31611d8f3ddSFlorian Fainelli int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, 31711d8f3ddSFlorian Fainelli struct phylink_link_state *state); 31811d8f3ddSFlorian Fainelli void (*phylink_mac_config)(struct dsa_switch *ds, int port, 31911d8f3ddSFlorian Fainelli unsigned int mode, 32011d8f3ddSFlorian Fainelli const struct phylink_link_state *state); 32111d8f3ddSFlorian Fainelli void (*phylink_mac_an_restart)(struct dsa_switch *ds, int port); 32211d8f3ddSFlorian Fainelli void (*phylink_mac_link_down)(struct dsa_switch *ds, int port, 32311d8f3ddSFlorian Fainelli unsigned int mode, 32411d8f3ddSFlorian Fainelli phy_interface_t interface); 32511d8f3ddSFlorian Fainelli void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, 32611d8f3ddSFlorian Fainelli unsigned int mode, 32711d8f3ddSFlorian Fainelli phy_interface_t interface, 32811d8f3ddSFlorian Fainelli struct phy_device *phydev); 32911d8f3ddSFlorian Fainelli void (*phylink_fixed_state)(struct dsa_switch *ds, int port, 33011d8f3ddSFlorian Fainelli struct phylink_link_state *state); 33111d8f3ddSFlorian Fainelli /* 332c8f0b869SBen Hutchings * ethtool hardware statistics. 333c8f0b869SBen Hutchings */ 33489f09048SFlorian Fainelli void (*get_strings)(struct dsa_switch *ds, int port, 33589f09048SFlorian Fainelli u32 stringset, uint8_t *data); 336c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 337c8f0b869SBen Hutchings int port, uint64_t *data); 33889f09048SFlorian Fainelli int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); 339cf963573SFlorian Fainelli void (*get_ethtool_phy_stats)(struct dsa_switch *ds, 340cf963573SFlorian Fainelli int port, uint64_t *data); 34124462549SFlorian Fainelli 34224462549SFlorian Fainelli /* 34319e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 34419e57c4eSFlorian Fainelli */ 34519e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 34619e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 34719e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 34819e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 34919e57c4eSFlorian Fainelli 35019e57c4eSFlorian Fainelli /* 3510336369dSBrandon Streiff * ethtool timestamp info 3520336369dSBrandon Streiff */ 3530336369dSBrandon Streiff int (*get_ts_info)(struct dsa_switch *ds, int port, 3540336369dSBrandon Streiff struct ethtool_ts_info *ts); 3550336369dSBrandon Streiff 3560336369dSBrandon Streiff /* 35724462549SFlorian Fainelli * Suspend and resume 35824462549SFlorian Fainelli */ 35924462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 36024462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 361b2f2af21SFlorian Fainelli 362b2f2af21SFlorian Fainelli /* 363b2f2af21SFlorian Fainelli * Port enable/disable 364b2f2af21SFlorian Fainelli */ 365b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 366b2f2af21SFlorian Fainelli struct phy_device *phy); 367b2f2af21SFlorian Fainelli void (*port_disable)(struct dsa_switch *ds, int port, 368b2f2af21SFlorian Fainelli struct phy_device *phy); 3697905288fSFlorian Fainelli 3707905288fSFlorian Fainelli /* 37108f50061SVivien Didelot * Port's MAC EEE settings 3727905288fSFlorian Fainelli */ 37308f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 3747905288fSFlorian Fainelli struct ethtool_eee *e); 37508f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 3767905288fSFlorian Fainelli struct ethtool_eee *e); 37751579c3fSGuenter Roeck 3786793abb4SGuenter Roeck /* EEPROM access */ 3796793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 3806793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 3816793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3826793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 3836793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 3843d762a0fSGuenter Roeck 3853d762a0fSGuenter Roeck /* 3863d762a0fSGuenter Roeck * Register access. 3873d762a0fSGuenter Roeck */ 3883d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 3893d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 3903d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 391b73adef6SFlorian Fainelli 392b73adef6SFlorian Fainelli /* 393b73adef6SFlorian Fainelli * Bridge integration 394b73adef6SFlorian Fainelli */ 39534a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 39671327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 397a6692754SVivien Didelot struct net_device *bridge); 398f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 399f123f2fbSVivien Didelot struct net_device *bridge); 40043c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 401b73adef6SFlorian Fainelli u8 state); 402732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 4032a778e1bSVivien Didelot 4042a778e1bSVivien Didelot /* 40511149536SVivien Didelot * VLAN support 40611149536SVivien Didelot */ 407fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 408fb2dabadSVivien Didelot bool vlan_filtering); 40976e398a6SVivien Didelot int (*port_vlan_prepare)(struct dsa_switch *ds, int port, 41080e02360SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 4114d5770b3SVivien Didelot void (*port_vlan_add)(struct dsa_switch *ds, int port, 41280e02360SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 41376e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 41476e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 41511149536SVivien Didelot /* 4162a778e1bSVivien Didelot * Forwarding database 4172a778e1bSVivien Didelot */ 4181b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 4196c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 4202a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 4216c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 422ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 4232bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 4248df30255SVivien Didelot 4258df30255SVivien Didelot /* 4268df30255SVivien Didelot * Multicast database 4278df30255SVivien Didelot */ 4288df30255SVivien Didelot int (*port_mdb_prepare)(struct dsa_switch *ds, int port, 4293709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4308df30255SVivien Didelot void (*port_mdb_add)(struct dsa_switch *ds, int port, 4313709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 4328df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 4338df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 434bf9f2648SFlorian Fainelli /* 435bf9f2648SFlorian Fainelli * RXNFC 436bf9f2648SFlorian Fainelli */ 437bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 438bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 439bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 440bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 441f50f2127SFlorian Fainelli 442f50f2127SFlorian Fainelli /* 443f50f2127SFlorian Fainelli * TC integration 444f50f2127SFlorian Fainelli */ 445f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 446f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 447f50f2127SFlorian Fainelli bool ingress); 448f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 449f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 45040ef2c93SVivien Didelot 45140ef2c93SVivien Didelot /* 45240ef2c93SVivien Didelot * Cross-chip operations 45340ef2c93SVivien Didelot */ 45440ef2c93SVivien Didelot int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, 45540ef2c93SVivien Didelot int port, struct net_device *br); 45640ef2c93SVivien Didelot void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, 45740ef2c93SVivien Didelot int port, struct net_device *br); 4580336369dSBrandon Streiff 4590336369dSBrandon Streiff /* 4600336369dSBrandon Streiff * PTP functionality 4610336369dSBrandon Streiff */ 4620336369dSBrandon Streiff int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, 4630336369dSBrandon Streiff struct ifreq *ifr); 4640336369dSBrandon Streiff int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, 4650336369dSBrandon Streiff struct ifreq *ifr); 46690af1059SBrandon Streiff bool (*port_txtstamp)(struct dsa_switch *ds, int port, 46790af1059SBrandon Streiff struct sk_buff *clone, unsigned int type); 46890af1059SBrandon Streiff bool (*port_rxtstamp)(struct dsa_switch *ds, int port, 46990af1059SBrandon Streiff struct sk_buff *skb, unsigned int type); 470c8f0b869SBen Hutchings }; 471c8f0b869SBen Hutchings 472ab3d408dSFlorian Fainelli struct dsa_switch_driver { 473ab3d408dSFlorian Fainelli struct list_head list; 474a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 475ab3d408dSFlorian Fainelli }; 476ab3d408dSFlorian Fainelli 4772a93c1a3SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) 478a6a71f19SVivien Didelot /* Legacy driver registration */ 479ab3d408dSFlorian Fainelli void register_switch_driver(struct dsa_switch_driver *type); 480ab3d408dSFlorian Fainelli void unregister_switch_driver(struct dsa_switch_driver *type); 481b4d2394dSAlexander Duyck struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); 482a6a71f19SVivien Didelot 4832a93c1a3SFlorian Fainelli #else 4842a93c1a3SFlorian Fainelli static inline void register_switch_driver(struct dsa_switch_driver *type) { } 4852a93c1a3SFlorian Fainelli static inline void unregister_switch_driver(struct dsa_switch_driver *type) { } 4862a93c1a3SFlorian Fainelli static inline struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev) 4872a93c1a3SFlorian Fainelli { 4882a93c1a3SFlorian Fainelli return NULL; 4892a93c1a3SFlorian Fainelli } 4902a93c1a3SFlorian Fainelli #endif 49114b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 492c8f0b869SBen Hutchings 49373a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 494c6e970a0SAndrew Lunn static inline bool netdev_uses_dsa(struct net_device *dev) 495c6e970a0SAndrew Lunn { 496c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 497717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 498c6e970a0SAndrew Lunn #endif 499c6e970a0SAndrew Lunn return false; 500c6e970a0SAndrew Lunn } 501c6e970a0SAndrew Lunn 502a0c02161SVivien Didelot struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); 50383c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 50423c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 505ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 506ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 507ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 508ea825e70SFlorian Fainelli #else 509ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 510ea825e70SFlorian Fainelli { 511ea825e70SFlorian Fainelli return 0; 512ea825e70SFlorian Fainelli } 513ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 514ea825e70SFlorian Fainelli { 515ea825e70SFlorian Fainelli return 0; 516ea825e70SFlorian Fainelli } 517ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 518ea825e70SFlorian Fainelli 51960724d4bSFlorian Fainelli enum dsa_notifier_type { 52060724d4bSFlorian Fainelli DSA_PORT_REGISTER, 52160724d4bSFlorian Fainelli DSA_PORT_UNREGISTER, 52260724d4bSFlorian Fainelli }; 52360724d4bSFlorian Fainelli 52460724d4bSFlorian Fainelli struct dsa_notifier_info { 52560724d4bSFlorian Fainelli struct net_device *dev; 52660724d4bSFlorian Fainelli }; 52760724d4bSFlorian Fainelli 52860724d4bSFlorian Fainelli struct dsa_notifier_register_info { 52960724d4bSFlorian Fainelli struct dsa_notifier_info info; /* must be first */ 53060724d4bSFlorian Fainelli struct net_device *master; 53160724d4bSFlorian Fainelli unsigned int port_number; 53260724d4bSFlorian Fainelli unsigned int switch_number; 53360724d4bSFlorian Fainelli }; 53460724d4bSFlorian Fainelli 53560724d4bSFlorian Fainelli static inline struct net_device * 53660724d4bSFlorian Fainelli dsa_notifier_info_to_dev(const struct dsa_notifier_info *info) 53760724d4bSFlorian Fainelli { 53860724d4bSFlorian Fainelli return info->dev; 53960724d4bSFlorian Fainelli } 54060724d4bSFlorian Fainelli 54160724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 54260724d4bSFlorian Fainelli int register_dsa_notifier(struct notifier_block *nb); 54360724d4bSFlorian Fainelli int unregister_dsa_notifier(struct notifier_block *nb); 54460724d4bSFlorian Fainelli int call_dsa_notifiers(unsigned long val, struct net_device *dev, 54560724d4bSFlorian Fainelli struct dsa_notifier_info *info); 54660724d4bSFlorian Fainelli #else 54760724d4bSFlorian Fainelli static inline int register_dsa_notifier(struct notifier_block *nb) 54860724d4bSFlorian Fainelli { 54960724d4bSFlorian Fainelli return 0; 55060724d4bSFlorian Fainelli } 55160724d4bSFlorian Fainelli 55260724d4bSFlorian Fainelli static inline int unregister_dsa_notifier(struct notifier_block *nb) 55360724d4bSFlorian Fainelli { 55460724d4bSFlorian Fainelli return 0; 55560724d4bSFlorian Fainelli } 55660724d4bSFlorian Fainelli 55760724d4bSFlorian Fainelli static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev, 55860724d4bSFlorian Fainelli struct dsa_notifier_info *info) 55960724d4bSFlorian Fainelli { 56060724d4bSFlorian Fainelli return NOTIFY_DONE; 56160724d4bSFlorian Fainelli } 56260724d4bSFlorian Fainelli #endif 56360724d4bSFlorian Fainelli 5640a5f14ceSFlorian Fainelli /* Broadcom tag specific helpers to insert and extract queue/port number */ 5650a5f14ceSFlorian Fainelli #define BRCM_TAG_SET_PORT_QUEUE(p, q) ((p) << 8 | q) 5660a5f14ceSFlorian Fainelli #define BRCM_TAG_GET_PORT(v) ((v) >> 8) 5670a5f14ceSFlorian Fainelli #define BRCM_TAG_GET_QUEUE(v) ((v) & 0xff) 5680a5f14ceSFlorian Fainelli 569cf963573SFlorian Fainelli 570cf963573SFlorian Fainelli int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data); 571cf963573SFlorian Fainelli int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); 572cf963573SFlorian Fainelli int dsa_port_get_phy_sset_count(struct dsa_port *dp); 57311d8f3ddSFlorian Fainelli void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); 574cf963573SFlorian Fainelli 57591da11f8SLennert Buytenhek #endif 576