12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 291da11f8SLennert Buytenhek /* 391da11f8SLennert Buytenhek * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips 4e84665c9SLennert Buytenhek * Copyright (c) 2008-2009 Marvell Semiconductor 591da11f8SLennert Buytenhek */ 691da11f8SLennert Buytenhek 791da11f8SLennert Buytenhek #ifndef __LINUX_NET_DSA_H 891da11f8SLennert Buytenhek #define __LINUX_NET_DSA_H 991da11f8SLennert Buytenhek 104d56a29fSRussell King #include <linux/if.h> 11ea1f51beSAxel Lin #include <linux/if_ether.h> 12c8f0b869SBen Hutchings #include <linux/list.h> 13f515f192SVivien Didelot #include <linux/notifier.h> 14cf50dcc2SBen Hutchings #include <linux/timer.h> 15cf50dcc2SBen Hutchings #include <linux/workqueue.h> 16fa981d9aSFlorian Fainelli #include <linux/of.h> 17a2820543SFlorian Fainelli #include <linux/ethtool.h> 180336369dSBrandon Streiff #include <linux/net_tstamp.h> 1911d8f3ddSFlorian Fainelli #include <linux/phy.h> 20ecfc9372SFlorian Fainelli #include <linux/platform_data/dsa.h> 2144cc27e4SIoana Ciornei #include <linux/phylink.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; 2811d8f3ddSFlorian Fainelli struct phylink_link_state; 29f50f2127SFlorian Fainelli 300b42f033SAndrew Lunn #define DSA_TAG_PROTO_NONE_VALUE 0 310b42f033SAndrew Lunn #define DSA_TAG_PROTO_BRCM_VALUE 1 320b42f033SAndrew Lunn #define DSA_TAG_PROTO_BRCM_PREPEND_VALUE 2 330b42f033SAndrew Lunn #define DSA_TAG_PROTO_DSA_VALUE 3 340b42f033SAndrew Lunn #define DSA_TAG_PROTO_EDSA_VALUE 4 350b42f033SAndrew Lunn #define DSA_TAG_PROTO_GSWIP_VALUE 5 360b42f033SAndrew Lunn #define DSA_TAG_PROTO_KSZ9477_VALUE 6 370b42f033SAndrew Lunn #define DSA_TAG_PROTO_KSZ9893_VALUE 7 380b42f033SAndrew Lunn #define DSA_TAG_PROTO_LAN9303_VALUE 8 390b42f033SAndrew Lunn #define DSA_TAG_PROTO_MTK_VALUE 9 400b42f033SAndrew Lunn #define DSA_TAG_PROTO_QCA_VALUE 10 410b42f033SAndrew Lunn #define DSA_TAG_PROTO_TRAILER_VALUE 11 42f9bbe447SVladimir Oltean #define DSA_TAG_PROTO_8021Q_VALUE 12 43227d07a0SVladimir Oltean #define DSA_TAG_PROTO_SJA1105_VALUE 13 44016e43a2STristram Ha #define DSA_TAG_PROTO_KSZ8795_VALUE 14 458dce89aaSVladimir Oltean #define DSA_TAG_PROTO_OCELOT_VALUE 15 4648fda74fSOleksij Rempel #define DSA_TAG_PROTO_AR9331_VALUE 16 47efd7fe68SLinus Walleij #define DSA_TAG_PROTO_RTL4_A_VALUE 17 4801ef09caSKurt Kanzenbach #define DSA_TAG_PROTO_HELLCREEK_VALUE 18 4954a52823SGeorge McCollister #define DSA_TAG_PROTO_XRS700X_VALUE 19 507c83a7c5SVladimir Oltean #define DSA_TAG_PROTO_OCELOT_8021Q_VALUE 20 517c4bb540SVladimir Oltean #define DSA_TAG_PROTO_SEVILLE_VALUE 21 52964dbf18SÁlvaro Fernández Rojas #define DSA_TAG_PROTO_BRCM_LEGACY_VALUE 22 534913b8ebSVladimir Oltean #define DSA_TAG_PROTO_SJA1110_VALUE 23 541521d5adSAlvin Šipraga #define DSA_TAG_PROTO_RTL8_4_VALUE 24 550b42f033SAndrew Lunn 56ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 570b42f033SAndrew Lunn DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, 580b42f033SAndrew Lunn DSA_TAG_PROTO_BRCM = DSA_TAG_PROTO_BRCM_VALUE, 59964dbf18SÁlvaro Fernández Rojas DSA_TAG_PROTO_BRCM_LEGACY = DSA_TAG_PROTO_BRCM_LEGACY_VALUE, 600b42f033SAndrew Lunn DSA_TAG_PROTO_BRCM_PREPEND = DSA_TAG_PROTO_BRCM_PREPEND_VALUE, 610b42f033SAndrew Lunn DSA_TAG_PROTO_DSA = DSA_TAG_PROTO_DSA_VALUE, 620b42f033SAndrew Lunn DSA_TAG_PROTO_EDSA = DSA_TAG_PROTO_EDSA_VALUE, 630b42f033SAndrew Lunn DSA_TAG_PROTO_GSWIP = DSA_TAG_PROTO_GSWIP_VALUE, 640b42f033SAndrew Lunn DSA_TAG_PROTO_KSZ9477 = DSA_TAG_PROTO_KSZ9477_VALUE, 650b42f033SAndrew Lunn DSA_TAG_PROTO_KSZ9893 = DSA_TAG_PROTO_KSZ9893_VALUE, 660b42f033SAndrew Lunn DSA_TAG_PROTO_LAN9303 = DSA_TAG_PROTO_LAN9303_VALUE, 670b42f033SAndrew Lunn DSA_TAG_PROTO_MTK = DSA_TAG_PROTO_MTK_VALUE, 680b42f033SAndrew Lunn DSA_TAG_PROTO_QCA = DSA_TAG_PROTO_QCA_VALUE, 690b42f033SAndrew Lunn DSA_TAG_PROTO_TRAILER = DSA_TAG_PROTO_TRAILER_VALUE, 70f9bbe447SVladimir Oltean DSA_TAG_PROTO_8021Q = DSA_TAG_PROTO_8021Q_VALUE, 71227d07a0SVladimir Oltean DSA_TAG_PROTO_SJA1105 = DSA_TAG_PROTO_SJA1105_VALUE, 72016e43a2STristram Ha DSA_TAG_PROTO_KSZ8795 = DSA_TAG_PROTO_KSZ8795_VALUE, 738dce89aaSVladimir Oltean DSA_TAG_PROTO_OCELOT = DSA_TAG_PROTO_OCELOT_VALUE, 7448fda74fSOleksij Rempel DSA_TAG_PROTO_AR9331 = DSA_TAG_PROTO_AR9331_VALUE, 75efd7fe68SLinus Walleij DSA_TAG_PROTO_RTL4_A = DSA_TAG_PROTO_RTL4_A_VALUE, 7601ef09caSKurt Kanzenbach DSA_TAG_PROTO_HELLCREEK = DSA_TAG_PROTO_HELLCREEK_VALUE, 7754a52823SGeorge McCollister DSA_TAG_PROTO_XRS700X = DSA_TAG_PROTO_XRS700X_VALUE, 787c83a7c5SVladimir Oltean DSA_TAG_PROTO_OCELOT_8021Q = DSA_TAG_PROTO_OCELOT_8021Q_VALUE, 797c4bb540SVladimir Oltean DSA_TAG_PROTO_SEVILLE = DSA_TAG_PROTO_SEVILLE_VALUE, 804913b8ebSVladimir Oltean DSA_TAG_PROTO_SJA1110 = DSA_TAG_PROTO_SJA1110_VALUE, 811521d5adSAlvin Šipraga DSA_TAG_PROTO_RTL8_4 = DSA_TAG_PROTO_RTL8_4_VALUE, 82ac7a04c3SFlorian Fainelli }; 835037d532SFlorian Fainelli 8490af1059SBrandon Streiff struct dsa_switch; 85*dc452a47SVladimir Oltean struct dsa_switch_tree; 863e8a72d1SFlorian Fainelli 8768277a2cSJohn Crispin struct dsa_device_ops { 8868277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 8929a097b7SVladimir Oltean struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); 902e8cb1b3SVladimir Oltean void (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 91598a9680SJohn Crispin int *offset); 92*dc452a47SVladimir Oltean int (*connect)(struct dsa_switch_tree *dst); 93*dc452a47SVladimir Oltean void (*disconnect)(struct dsa_switch_tree *dst); 944e500251SVladimir Oltean unsigned int needed_headroom; 954e500251SVladimir Oltean unsigned int needed_tailroom; 96875138f8SAndrew Lunn const char *name; 97056eed2fSAndrew Lunn enum dsa_tag_protocol proto; 98c3975400SVladimir Oltean /* Some tagging protocols either mangle or shift the destination MAC 99c3975400SVladimir Oltean * address, in which case the DSA master would drop packets on ingress 100c3975400SVladimir Oltean * if what it understands out of the destination MAC address is not in 101c3975400SVladimir Oltean * its RX filter. 102c3975400SVladimir Oltean */ 103c3975400SVladimir Oltean bool promisc_on_master; 10468277a2cSJohn Crispin }; 10568277a2cSJohn Crispin 1064cfab356SFlorian Fainelli /* This structure defines the control interfaces that are overlayed by the 1074cfab356SFlorian Fainelli * DSA layer on top of the DSA CPU/management net_device instance. This is 1084cfab356SFlorian Fainelli * used by the core net_device layer while calling various net_device_ops 1094cfab356SFlorian Fainelli * function pointers. 1104cfab356SFlorian Fainelli */ 1114cfab356SFlorian Fainelli struct dsa_netdevice_ops { 112a7605370SArnd Bergmann int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, 1134cfab356SFlorian Fainelli int cmd); 1144cfab356SFlorian Fainelli }; 1154cfab356SFlorian Fainelli 1160b42f033SAndrew Lunn #define DSA_TAG_DRIVER_ALIAS "dsa_tag-" 1170b42f033SAndrew Lunn #define MODULE_ALIAS_DSA_TAG_DRIVER(__proto) \ 1180b42f033SAndrew Lunn MODULE_ALIAS(DSA_TAG_DRIVER_ALIAS __stringify(__proto##_VALUE)) 1190b42f033SAndrew Lunn 120cf50dcc2SBen Hutchings struct dsa_switch_tree { 12183c0afaeSAndrew Lunn struct list_head list; 12283c0afaeSAndrew Lunn 123f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 124f515f192SVivien Didelot struct raw_notifier_head nh; 125f515f192SVivien Didelot 12683c0afaeSAndrew Lunn /* Tree identifier */ 12749463b7fSVivien Didelot unsigned int index; 12883c0afaeSAndrew Lunn 12983c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 13083c0afaeSAndrew Lunn struct kref refcount; 13183c0afaeSAndrew Lunn 13283c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 133ec15dd42SVivien Didelot bool setup; 13483c0afaeSAndrew Lunn 135357f203bSVladimir Oltean /* Tagging protocol operations */ 136357f203bSVladimir Oltean const struct dsa_device_ops *tag_ops; 137357f203bSVladimir Oltean 138deff7107STobias Waldekranz /* Default tagging protocol preferred by the switches in this 139deff7107STobias Waldekranz * tree. 140deff7107STobias Waldekranz */ 141deff7107STobias Waldekranz enum dsa_tag_protocol default_proto; 142deff7107STobias Waldekranz 143cf50dcc2SBen Hutchings /* 144cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 145cf50dcc2SBen Hutchings * this dsa switch tree instance. 146cf50dcc2SBen Hutchings */ 147cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 148cf85d08fSLennert Buytenhek 149ab8ccae1SVivien Didelot /* List of switch ports */ 150ab8ccae1SVivien Didelot struct list_head ports; 151ab8ccae1SVivien Didelot 152c5f51765SVivien Didelot /* List of DSA links composing the routing table */ 153c5f51765SVivien Didelot struct list_head rtable; 154058102a6STobias Waldekranz 155058102a6STobias Waldekranz /* Maps offloaded LAG netdevs to a zero-based linear ID for 156058102a6STobias Waldekranz * drivers that need it. 157058102a6STobias Waldekranz */ 158058102a6STobias Waldekranz struct net_device **lags; 159058102a6STobias Waldekranz unsigned int lags_len; 1605b22d366SVladimir Oltean 1615b22d366SVladimir Oltean /* Track the largest switch index within a tree */ 1625b22d366SVladimir Oltean unsigned int last_switch; 163cf50dcc2SBen Hutchings }; 164cf50dcc2SBen Hutchings 165058102a6STobias Waldekranz #define dsa_lags_foreach_id(_id, _dst) \ 166058102a6STobias Waldekranz for ((_id) = 0; (_id) < (_dst)->lags_len; (_id)++) \ 167058102a6STobias Waldekranz if ((_dst)->lags[(_id)]) 168058102a6STobias Waldekranz 169058102a6STobias Waldekranz #define dsa_lag_foreach_port(_dp, _dst, _lag) \ 170058102a6STobias Waldekranz list_for_each_entry((_dp), &(_dst)->ports, list) \ 171058102a6STobias Waldekranz if ((_dp)->lag_dev == (_lag)) 172058102a6STobias Waldekranz 17318596f50SGeorge McCollister #define dsa_hsr_foreach_port(_dp, _ds, _hsr) \ 17418596f50SGeorge McCollister list_for_each_entry((_dp), &(_ds)->dst->ports, list) \ 17518596f50SGeorge McCollister if ((_dp)->ds == (_ds) && (_dp)->hsr_dev == (_hsr)) 17618596f50SGeorge McCollister 177058102a6STobias Waldekranz static inline struct net_device *dsa_lag_dev(struct dsa_switch_tree *dst, 178058102a6STobias Waldekranz unsigned int id) 179058102a6STobias Waldekranz { 180058102a6STobias Waldekranz return dst->lags[id]; 181058102a6STobias Waldekranz } 182058102a6STobias Waldekranz 183058102a6STobias Waldekranz static inline int dsa_lag_id(struct dsa_switch_tree *dst, 184058102a6STobias Waldekranz struct net_device *lag) 185058102a6STobias Waldekranz { 186058102a6STobias Waldekranz unsigned int id; 187058102a6STobias Waldekranz 188058102a6STobias Waldekranz dsa_lags_foreach_id(id, dst) { 189058102a6STobias Waldekranz if (dsa_lag_dev(dst, id) == lag) 190058102a6STobias Waldekranz return id; 191058102a6STobias Waldekranz } 192058102a6STobias Waldekranz 193058102a6STobias Waldekranz return -ENODEV; 194058102a6STobias Waldekranz } 195058102a6STobias Waldekranz 19634297176SVladimir Oltean /* TC matchall action types */ 197f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 198f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 19934297176SVladimir Oltean DSA_PORT_MALL_POLICER, 200f50f2127SFlorian Fainelli }; 201f50f2127SFlorian Fainelli 202f50f2127SFlorian Fainelli /* TC mirroring entry */ 203f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 204f50f2127SFlorian Fainelli u8 to_local_port; 205f50f2127SFlorian Fainelli bool ingress; 206f50f2127SFlorian Fainelli }; 207f50f2127SFlorian Fainelli 20834297176SVladimir Oltean /* TC port policer entry */ 20934297176SVladimir Oltean struct dsa_mall_policer_tc_entry { 2105f035af7SPo Liu u32 burst; 21134297176SVladimir Oltean u64 rate_bytes_per_sec; 21234297176SVladimir Oltean }; 21334297176SVladimir Oltean 214f50f2127SFlorian Fainelli /* TC matchall entry */ 215f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 216f50f2127SFlorian Fainelli struct list_head list; 217f50f2127SFlorian Fainelli unsigned long cookie; 218f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 219f50f2127SFlorian Fainelli union { 220f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 22134297176SVladimir Oltean struct dsa_mall_policer_tc_entry policer; 222f50f2127SFlorian Fainelli }; 223f50f2127SFlorian Fainelli }; 224f50f2127SFlorian Fainelli 225d3eed0e5SVladimir Oltean struct dsa_bridge { 226d3eed0e5SVladimir Oltean struct net_device *dev; 227d3eed0e5SVladimir Oltean unsigned int num; 228857fdd74SVladimir Oltean bool tx_fwd_offload; 229d3eed0e5SVladimir Oltean refcount_t refcount; 230d3eed0e5SVladimir Oltean }; 231f50f2127SFlorian Fainelli 232c8b09808SAndrew Lunn struct dsa_port { 233f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 234f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 235f8b8b1cdSVivien Didelot */ 236f8b8b1cdSVivien Didelot union { 237f8b8b1cdSVivien Didelot struct net_device *master; 238f8b8b1cdSVivien Didelot struct net_device *slave; 239f8b8b1cdSVivien Didelot }; 240f8b8b1cdSVivien Didelot 241357f203bSVladimir Oltean /* Copy of the tagging protocol operations, for quicker access 242357f203bSVladimir Oltean * in the data path. Valid only for the CPU ports. 243357f203bSVladimir Oltean */ 24415240248SVivien Didelot const struct dsa_device_ops *tag_ops; 24515240248SVivien Didelot 2463e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 2473e41f93bSVivien Didelot struct dsa_switch_tree *dst; 24829a097b7SVladimir Oltean struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); 2493e41f93bSVivien Didelot 250057cad2cSVivien Didelot enum { 251057cad2cSVivien Didelot DSA_PORT_TYPE_UNUSED = 0, 252057cad2cSVivien Didelot DSA_PORT_TYPE_CPU, 253057cad2cSVivien Didelot DSA_PORT_TYPE_DSA, 254057cad2cSVivien Didelot DSA_PORT_TYPE_USER, 255057cad2cSVivien Didelot } type; 256057cad2cSVivien Didelot 257818be848SVivien Didelot struct dsa_switch *ds; 258818be848SVivien Didelot unsigned int index; 25971e0bbdeSFlorian Fainelli const char *name; 26068b2d4a8SVivien Didelot struct dsa_port *cpu_dp; 26183216e39SMichael Walle u8 mac[ETH_ALEN]; 262189b0d93SAndrew Lunn struct device_node *dn; 26334a79f63SVivien Didelot unsigned int ageing_time; 26433162e9aSVladimir Oltean bool vlan_filtering; 2655313a37bSVladimir Oltean /* Managed by DSA on user ports and by drivers on CPU and DSA ports */ 266045c45d1SVladimir Oltean bool learning; 267732f794cSVivien Didelot u8 stp_state; 268d3eed0e5SVladimir Oltean struct dsa_bridge *bridge; 26996567d5dSAndrew Lunn struct devlink_port devlink_port; 2703122433eSAndrew Lunn bool devlink_port_setup; 271aab9c406SFlorian Fainelli struct phylink *pl; 27244cc27e4SIoana Ciornei struct phylink_config pl_config; 273058102a6STobias Waldekranz struct net_device *lag_dev; 274058102a6STobias Waldekranz bool lag_tx_enabled; 27518596f50SGeorge McCollister struct net_device *hsr_dev; 27697a69a0dSVladimir Oltean 277ab8ccae1SVivien Didelot struct list_head list; 278ab8ccae1SVivien Didelot 27967dbb9d4SFlorian Fainelli /* 280c362beb0SVladimir Oltean * Give the switch driver somewhere to hang its per-port private data 281c362beb0SVladimir Oltean * structures (accessible from the tagger). 282c362beb0SVladimir Oltean */ 283c362beb0SVladimir Oltean void *priv; 284c362beb0SVladimir Oltean 285c362beb0SVladimir Oltean /* 28667dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 28767dbb9d4SFlorian Fainelli */ 28867dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 289da7b9e9bSFlorian Fainelli 290da7b9e9bSFlorian Fainelli /* 291da7b9e9bSFlorian Fainelli * Original copy of the master netdev net_device_ops 292da7b9e9bSFlorian Fainelli */ 2934cfab356SFlorian Fainelli const struct dsa_netdevice_ops *netdev_ops; 294fb35c60cSVivien Didelot 295161ca59dSVladimir Oltean /* List of MAC addresses that must be forwarded on this port. 296161ca59dSVladimir Oltean * These are only valid on CPU ports and DSA links. 297161ca59dSVladimir Oltean */ 298338a3a47SVladimir Oltean struct mutex addr_lists_lock; 2993f6e32f9SVladimir Oltean struct list_head fdbs; 300161ca59dSVladimir Oltean struct list_head mdbs; 301161ca59dSVladimir Oltean 302fb35c60cSVivien Didelot bool setup; 303c8b09808SAndrew Lunn }; 304c8b09808SAndrew Lunn 305c5f51765SVivien Didelot /* TODO: ideally DSA ports would have a single dp->link_dp member, 306c5f51765SVivien Didelot * and no dst->rtable nor this struct dsa_link would be needed, 307c5f51765SVivien Didelot * but this would require some more complex tree walking, 308c5f51765SVivien Didelot * so keep it stupid at the moment and list them all. 309c5f51765SVivien Didelot */ 310c5f51765SVivien Didelot struct dsa_link { 311c5f51765SVivien Didelot struct dsa_port *dp; 312c5f51765SVivien Didelot struct dsa_port *link_dp; 313c5f51765SVivien Didelot struct list_head list; 314c5f51765SVivien Didelot }; 315c5f51765SVivien Didelot 316161ca59dSVladimir Oltean struct dsa_mac_addr { 317161ca59dSVladimir Oltean unsigned char addr[ETH_ALEN]; 318161ca59dSVladimir Oltean u16 vid; 319161ca59dSVladimir Oltean refcount_t refcount; 320161ca59dSVladimir Oltean struct list_head list; 321161ca59dSVladimir Oltean }; 322161ca59dSVladimir Oltean 323c8f0b869SBen Hutchings struct dsa_switch { 324fb35c60cSVivien Didelot bool setup; 325fb35c60cSVivien Didelot 326c33063d6SAndrew Lunn struct device *dev; 327c33063d6SAndrew Lunn 328c8f0b869SBen Hutchings /* 329c8f0b869SBen Hutchings * Parent switch tree, and switch index. 330c8f0b869SBen Hutchings */ 331c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 33299feaafcSVivien Didelot unsigned int index; 333c8f0b869SBen Hutchings 334f515f192SVivien Didelot /* Listener for switch fabric events */ 335f515f192SVivien Didelot struct notifier_block nb; 336f515f192SVivien Didelot 337c8f0b869SBen Hutchings /* 3387543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 3397543a6d5SAndrew Lunn * structure. 3407543a6d5SAndrew Lunn */ 3417543a6d5SAndrew Lunn void *priv; 3427543a6d5SAndrew Lunn 343*dc452a47SVladimir Oltean void *tagger_data; 344*dc452a47SVladimir Oltean 3457543a6d5SAndrew Lunn /* 346c8f0b869SBen Hutchings * Configuration data for this switch. 347c8f0b869SBen Hutchings */ 348ff04955cSAndrew Lunn struct dsa_chip_data *cd; 349c8f0b869SBen Hutchings 350c8f0b869SBen Hutchings /* 3519d490b4eSVivien Didelot * The switch operations. 352c8f0b869SBen Hutchings */ 353a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 354c8f0b869SBen Hutchings 35566472fc0SAndrew Lunn /* 356c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 357c8f0b869SBen Hutchings */ 3580d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 359c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 360a0c02161SVivien Didelot 3610f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 3620f3da6afSVivien Didelot unsigned int ageing_time_min; 3630f3da6afSVivien Didelot unsigned int ageing_time_max; 3640f3da6afSVivien Didelot 365d7b1fd52SVladimir Oltean /* Storage for drivers using tag_8021q */ 366d7b1fd52SVladimir Oltean struct dsa_8021q_context *tag_8021q_ctx; 367d7b1fd52SVladimir Oltean 36896567d5dSAndrew Lunn /* devlink used to represent this switch device */ 36996567d5dSAndrew Lunn struct devlink *devlink; 37096567d5dSAndrew Lunn 37155199df6SFlorian Fainelli /* Number of switch port queues */ 37255199df6SFlorian Fainelli unsigned int num_tx_queues; 37355199df6SFlorian Fainelli 3748f5d16f6SVladimir Oltean /* Disallow bridge core from requesting different VLAN awareness 3758f5d16f6SVladimir Oltean * settings on ports if not hardware-supported 3768f5d16f6SVladimir Oltean */ 3778f5d16f6SVladimir Oltean bool vlan_filtering_is_global; 3788f5d16f6SVladimir Oltean 37958adf9dcSVladimir Oltean /* Keep VLAN filtering enabled on ports not offloading any upper. */ 38058adf9dcSVladimir Oltean bool needs_standalone_vlan_filtering; 38158adf9dcSVladimir Oltean 38254a0ed0dSRussell King /* Pass .port_vlan_add and .port_vlan_del to drivers even for bridges 38354a0ed0dSRussell King * that have vlan_filtering=0. All drivers should ideally set this (and 38454a0ed0dSRussell King * then the option would get removed), but it is unknown whether this 38554a0ed0dSRussell King * would break things or not. 38654a0ed0dSRussell King */ 38754a0ed0dSRussell King bool configure_vlan_while_not_filtering; 38854a0ed0dSRussell King 3891dc0408cSFlorian Fainelli /* If the switch driver always programs the CPU port as egress tagged 3901dc0408cSFlorian Fainelli * despite the VLAN configuration indicating otherwise, then setting 3911dc0408cSFlorian Fainelli * @untag_bridge_pvid will force the DSA receive path to pop the bridge's 3921dc0408cSFlorian Fainelli * default_pvid VLAN tagged frames to offer a consistent behavior 3931dc0408cSFlorian Fainelli * between a vlan_filtering=0 and vlan_filtering=1 bridge device. 3941dc0408cSFlorian Fainelli */ 3951dc0408cSFlorian Fainelli bool untag_bridge_pvid; 3961dc0408cSFlorian Fainelli 397d5f19486SVladimir Oltean /* Let DSA manage the FDB entries towards the CPU, based on the 398d5f19486SVladimir Oltean * software bridge database. 399d5f19486SVladimir Oltean */ 400d5f19486SVladimir Oltean bool assisted_learning_on_cpu_port; 401d5f19486SVladimir Oltean 40214574676SVladimir Oltean /* In case vlan_filtering_is_global is set, the VLAN awareness state 40314574676SVladimir Oltean * should be retrieved from here and not from the per-port settings. 40414574676SVladimir Oltean */ 40514574676SVladimir Oltean bool vlan_filtering; 40614574676SVladimir Oltean 407787cac3fSVladimir Oltean /* MAC PCS does not provide link state change interrupt, and requires 408787cac3fSVladimir Oltean * polling. Flag passed on to PHYLINK. 409787cac3fSVladimir Oltean */ 410787cac3fSVladimir Oltean bool pcs_poll; 411787cac3fSVladimir Oltean 412bff33f7eSVladimir Oltean /* For switches that only have the MRU configurable. To ensure the 413bff33f7eSVladimir Oltean * configured MTU is not exceeded, normalization of MRU on all bridged 414bff33f7eSVladimir Oltean * interfaces is needed. 415bff33f7eSVladimir Oltean */ 416bff33f7eSVladimir Oltean bool mtu_enforcement_ingress; 417bff33f7eSVladimir Oltean 418058102a6STobias Waldekranz /* Drivers that benefit from having an ID associated with each 419058102a6STobias Waldekranz * offloaded LAG should set this to the maximum number of 420058102a6STobias Waldekranz * supported IDs. DSA will then maintain a mapping of _at 421058102a6STobias Waldekranz * least_ these many IDs, accessible to drivers via 422058102a6STobias Waldekranz * dsa_lag_id(). 423058102a6STobias Waldekranz */ 424058102a6STobias Waldekranz unsigned int num_lag_ids; 425058102a6STobias Waldekranz 426947c8746SVladimir Oltean /* Drivers that support bridge forwarding offload or FDB isolation 427947c8746SVladimir Oltean * should set this to the maximum number of bridges spanning the same 428947c8746SVladimir Oltean * switch tree (or all trees, in the case of cross-tree bridging 429947c8746SVladimir Oltean * support) that can be offloaded. 430123abc06SVladimir Oltean */ 431947c8746SVladimir Oltean unsigned int max_num_bridges; 432123abc06SVladimir Oltean 433a0c02161SVivien Didelot size_t num_ports; 434c8f0b869SBen Hutchings }; 435c8f0b869SBen Hutchings 43668bb8ea8SVivien Didelot static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) 437c38c5a66SVivien Didelot { 438b96ddf25SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 439d607525bSVivien Didelot struct dsa_port *dp; 440b96ddf25SVivien Didelot 441b96ddf25SVivien Didelot list_for_each_entry(dp, &dst->ports, list) 442b96ddf25SVivien Didelot if (dp->ds == ds && dp->index == p) 443b96ddf25SVivien Didelot return dp; 444d607525bSVivien Didelot 445d607525bSVivien Didelot return NULL; 446c38c5a66SVivien Didelot } 447c38c5a66SVivien Didelot 448a8986681SVladimir Oltean static inline bool dsa_port_is_dsa(struct dsa_port *port) 449a8986681SVladimir Oltean { 450a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_DSA; 451a8986681SVladimir Oltean } 452a8986681SVladimir Oltean 453a8986681SVladimir Oltean static inline bool dsa_port_is_cpu(struct dsa_port *port) 454a8986681SVladimir Oltean { 455a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_CPU; 456a8986681SVladimir Oltean } 457a8986681SVladimir Oltean 458a8986681SVladimir Oltean static inline bool dsa_port_is_user(struct dsa_port *dp) 459a8986681SVladimir Oltean { 460a8986681SVladimir Oltean return dp->type == DSA_PORT_TYPE_USER; 461a8986681SVladimir Oltean } 462a8986681SVladimir Oltean 463a57d8c21SVladimir Oltean static inline bool dsa_port_is_unused(struct dsa_port *dp) 464a57d8c21SVladimir Oltean { 465a57d8c21SVladimir Oltean return dp->type == DSA_PORT_TYPE_UNUSED; 466a57d8c21SVladimir Oltean } 467a57d8c21SVladimir Oltean 468bff7b688SVivien Didelot static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) 469bff7b688SVivien Didelot { 470c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; 471bff7b688SVivien Didelot } 472bff7b688SVivien Didelot 473c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 474c8f0b869SBen Hutchings { 475c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; 476c8f0b869SBen Hutchings } 477c8f0b869SBen Hutchings 47860045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 47960045cbfSAndrew Lunn { 480c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; 48160045cbfSAndrew Lunn } 48260045cbfSAndrew Lunn 4832b3e9891SVivien Didelot static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) 4846cd456f3SVivien Didelot { 485c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; 4866cd456f3SVivien Didelot } 4876cd456f3SVivien Didelot 48882b31898SVladimir Oltean #define dsa_tree_for_each_user_port(_dp, _dst) \ 48982b31898SVladimir Oltean list_for_each_entry((_dp), &(_dst)->ports, list) \ 49082b31898SVladimir Oltean if (dsa_port_is_user((_dp))) 49182b31898SVladimir Oltean 49282b31898SVladimir Oltean #define dsa_switch_for_each_port(_dp, _ds) \ 49382b31898SVladimir Oltean list_for_each_entry((_dp), &(_ds)->dst->ports, list) \ 49482b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 49582b31898SVladimir Oltean 49682b31898SVladimir Oltean #define dsa_switch_for_each_port_safe(_dp, _next, _ds) \ 49782b31898SVladimir Oltean list_for_each_entry_safe((_dp), (_next), &(_ds)->dst->ports, list) \ 49882b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 49982b31898SVladimir Oltean 50082b31898SVladimir Oltean #define dsa_switch_for_each_port_continue_reverse(_dp, _ds) \ 50182b31898SVladimir Oltean list_for_each_entry_continue_reverse((_dp), &(_ds)->dst->ports, list) \ 50282b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 50382b31898SVladimir Oltean 50482b31898SVladimir Oltean #define dsa_switch_for_each_available_port(_dp, _ds) \ 50582b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 50682b31898SVladimir Oltean if (!dsa_port_is_unused((_dp))) 50782b31898SVladimir Oltean 50882b31898SVladimir Oltean #define dsa_switch_for_each_user_port(_dp, _ds) \ 50982b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 51082b31898SVladimir Oltean if (dsa_port_is_user((_dp))) 51182b31898SVladimir Oltean 51282b31898SVladimir Oltean #define dsa_switch_for_each_cpu_port(_dp, _ds) \ 51382b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 51482b31898SVladimir Oltean if (dsa_port_is_cpu((_dp))) 51582b31898SVladimir Oltean 51602bc6e54SVivien Didelot static inline u32 dsa_user_ports(struct dsa_switch *ds) 51702bc6e54SVivien Didelot { 518d0004a02SVladimir Oltean struct dsa_port *dp; 519c38c5a66SVivien Didelot u32 mask = 0; 52002bc6e54SVivien Didelot 521d0004a02SVladimir Oltean dsa_switch_for_each_user_port(dp, ds) 522d0004a02SVladimir Oltean mask |= BIT(dp->index); 523c38c5a66SVivien Didelot 524c38c5a66SVivien Didelot return mask; 525c8652c83SVivien Didelot } 526c8652c83SVivien Didelot 527c5f51765SVivien Didelot /* Return the local port used to reach an arbitrary switch device */ 528c5f51765SVivien Didelot static inline unsigned int dsa_routing_port(struct dsa_switch *ds, int device) 529c5f51765SVivien Didelot { 530c5f51765SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 531c5f51765SVivien Didelot struct dsa_link *dl; 532c5f51765SVivien Didelot 533c5f51765SVivien Didelot list_for_each_entry(dl, &dst->rtable, list) 534c5f51765SVivien Didelot if (dl->dp->ds == ds && dl->link_dp->ds->index == device) 535c5f51765SVivien Didelot return dl->dp->index; 536c5f51765SVivien Didelot 537c5f51765SVivien Didelot return ds->num_ports; 538c5f51765SVivien Didelot } 539c5f51765SVivien Didelot 5403b8fac5dSVivien Didelot /* Return the local port used to reach an arbitrary switch port */ 5413b8fac5dSVivien Didelot static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, 5423b8fac5dSVivien Didelot int port) 5433b8fac5dSVivien Didelot { 5443b8fac5dSVivien Didelot if (device == ds->index) 5453b8fac5dSVivien Didelot return port; 5463b8fac5dSVivien Didelot else 547c5f51765SVivien Didelot return dsa_routing_port(ds, device); 5483b8fac5dSVivien Didelot } 5493b8fac5dSVivien Didelot 5503b8fac5dSVivien Didelot /* Return the local port used to reach the dedicated CPU port */ 55107073c79SVivien Didelot static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) 552c8f0b869SBen Hutchings { 55307073c79SVivien Didelot const struct dsa_port *dp = dsa_to_port(ds, port); 55407073c79SVivien Didelot const struct dsa_port *cpu_dp = dp->cpu_dp; 55507073c79SVivien Didelot 55607073c79SVivien Didelot if (!cpu_dp) 55707073c79SVivien Didelot return port; 558c8f0b869SBen Hutchings 5593b8fac5dSVivien Didelot return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); 560c8f0b869SBen Hutchings } 561c8f0b869SBen Hutchings 56263609c8fSVladimir Oltean /* Return true if this is the local port used to reach the CPU port */ 56363609c8fSVladimir Oltean static inline bool dsa_is_upstream_port(struct dsa_switch *ds, int port) 56463609c8fSVladimir Oltean { 56563609c8fSVladimir Oltean if (dsa_is_unused_port(ds, port)) 56663609c8fSVladimir Oltean return false; 56763609c8fSVladimir Oltean 56863609c8fSVladimir Oltean return port == dsa_upstream_port(ds, port); 56963609c8fSVladimir Oltean } 57063609c8fSVladimir Oltean 57163609c8fSVladimir Oltean /* Return true if @upstream_ds is an upstream switch of @downstream_ds, meaning 57263609c8fSVladimir Oltean * that the routing port from @downstream_ds to @upstream_ds is also the port 57363609c8fSVladimir Oltean * which @downstream_ds uses to reach its dedicated CPU. 57463609c8fSVladimir Oltean */ 57563609c8fSVladimir Oltean static inline bool dsa_switch_is_upstream_of(struct dsa_switch *upstream_ds, 57663609c8fSVladimir Oltean struct dsa_switch *downstream_ds) 57763609c8fSVladimir Oltean { 57863609c8fSVladimir Oltean int routing_port; 57963609c8fSVladimir Oltean 58063609c8fSVladimir Oltean if (upstream_ds == downstream_ds) 58163609c8fSVladimir Oltean return true; 58263609c8fSVladimir Oltean 58363609c8fSVladimir Oltean routing_port = dsa_routing_port(downstream_ds, upstream_ds->index); 58463609c8fSVladimir Oltean 58563609c8fSVladimir Oltean return dsa_is_upstream_port(downstream_ds, routing_port); 58663609c8fSVladimir Oltean } 58763609c8fSVladimir Oltean 588cf2d45f5SVladimir Oltean static inline bool dsa_port_is_vlan_filtering(const struct dsa_port *dp) 589cf2d45f5SVladimir Oltean { 590cf2d45f5SVladimir Oltean const struct dsa_switch *ds = dp->ds; 591cf2d45f5SVladimir Oltean 592cf2d45f5SVladimir Oltean if (ds->vlan_filtering_is_global) 593cf2d45f5SVladimir Oltean return ds->vlan_filtering; 594cf2d45f5SVladimir Oltean else 595cf2d45f5SVladimir Oltean return dp->vlan_filtering; 596cf2d45f5SVladimir Oltean } 597cf2d45f5SVladimir Oltean 598cc76ce9eSTobias Waldekranz static inline 599cc76ce9eSTobias Waldekranz struct net_device *dsa_port_to_bridge_port(const struct dsa_port *dp) 600cc76ce9eSTobias Waldekranz { 601d3eed0e5SVladimir Oltean if (!dp->bridge) 602cc76ce9eSTobias Waldekranz return NULL; 603cc76ce9eSTobias Waldekranz 604cc76ce9eSTobias Waldekranz if (dp->lag_dev) 605cc76ce9eSTobias Waldekranz return dp->lag_dev; 606cc76ce9eSTobias Waldekranz else if (dp->hsr_dev) 607cc76ce9eSTobias Waldekranz return dp->hsr_dev; 608cc76ce9eSTobias Waldekranz 609cc76ce9eSTobias Waldekranz return dp->slave; 610cc76ce9eSTobias Waldekranz } 611cc76ce9eSTobias Waldekranz 61236cbf39bSVladimir Oltean static inline struct net_device * 61336cbf39bSVladimir Oltean dsa_port_bridge_dev_get(const struct dsa_port *dp) 61436cbf39bSVladimir Oltean { 615d3eed0e5SVladimir Oltean return dp->bridge ? dp->bridge->dev : NULL; 61636cbf39bSVladimir Oltean } 61736cbf39bSVladimir Oltean 61836cbf39bSVladimir Oltean static inline unsigned int dsa_port_bridge_num_get(struct dsa_port *dp) 61936cbf39bSVladimir Oltean { 620d3eed0e5SVladimir Oltean return dp->bridge ? dp->bridge->num : 0; 62136cbf39bSVladimir Oltean } 62236cbf39bSVladimir Oltean 62336cbf39bSVladimir Oltean static inline bool dsa_port_bridge_same(const struct dsa_port *a, 62436cbf39bSVladimir Oltean const struct dsa_port *b) 62536cbf39bSVladimir Oltean { 62636cbf39bSVladimir Oltean struct net_device *br_a = dsa_port_bridge_dev_get(a); 62736cbf39bSVladimir Oltean struct net_device *br_b = dsa_port_bridge_dev_get(b); 62836cbf39bSVladimir Oltean 62936cbf39bSVladimir Oltean /* Standalone ports are not in the same bridge with one another */ 63036cbf39bSVladimir Oltean return (!br_a || !br_b) ? false : (br_a == br_b); 63136cbf39bSVladimir Oltean } 63236cbf39bSVladimir Oltean 6336a43cba3SVladimir Oltean static inline bool dsa_port_offloads_bridge_port(struct dsa_port *dp, 6346a43cba3SVladimir Oltean const struct net_device *dev) 6356a43cba3SVladimir Oltean { 6366a43cba3SVladimir Oltean return dsa_port_to_bridge_port(dp) == dev; 6376a43cba3SVladimir Oltean } 6386a43cba3SVladimir Oltean 6396a43cba3SVladimir Oltean static inline bool 6406a43cba3SVladimir Oltean dsa_port_offloads_bridge_dev(struct dsa_port *dp, 6416a43cba3SVladimir Oltean const struct net_device *bridge_dev) 6426a43cba3SVladimir Oltean { 6436a43cba3SVladimir Oltean /* DSA ports connected to a bridge, and event was emitted 6446a43cba3SVladimir Oltean * for the bridge. 6456a43cba3SVladimir Oltean */ 6466a43cba3SVladimir Oltean return dsa_port_bridge_dev_get(dp) == bridge_dev; 6476a43cba3SVladimir Oltean } 6486a43cba3SVladimir Oltean 649d3eed0e5SVladimir Oltean static inline bool dsa_port_offloads_bridge(struct dsa_port *dp, 650d3eed0e5SVladimir Oltean const struct dsa_bridge *bridge) 651d3eed0e5SVladimir Oltean { 652d3eed0e5SVladimir Oltean return dsa_port_bridge_dev_get(dp) == bridge->dev; 653d3eed0e5SVladimir Oltean } 654d3eed0e5SVladimir Oltean 6556a43cba3SVladimir Oltean /* Returns true if any port of this tree offloads the given net_device */ 6566a43cba3SVladimir Oltean static inline bool dsa_tree_offloads_bridge_port(struct dsa_switch_tree *dst, 6576a43cba3SVladimir Oltean const struct net_device *dev) 6586a43cba3SVladimir Oltean { 6596a43cba3SVladimir Oltean struct dsa_port *dp; 6606a43cba3SVladimir Oltean 6616a43cba3SVladimir Oltean list_for_each_entry(dp, &dst->ports, list) 6626a43cba3SVladimir Oltean if (dsa_port_offloads_bridge_port(dp, dev)) 6636a43cba3SVladimir Oltean return true; 6646a43cba3SVladimir Oltean 6656a43cba3SVladimir Oltean return false; 6666a43cba3SVladimir Oltean } 6676a43cba3SVladimir Oltean 6686a43cba3SVladimir Oltean /* Returns true if any port of this tree offloads the given bridge */ 6696a43cba3SVladimir Oltean static inline bool 6706a43cba3SVladimir Oltean dsa_tree_offloads_bridge_dev(struct dsa_switch_tree *dst, 6716a43cba3SVladimir Oltean const struct net_device *bridge_dev) 6726a43cba3SVladimir Oltean { 6736a43cba3SVladimir Oltean struct dsa_port *dp; 6746a43cba3SVladimir Oltean 6756a43cba3SVladimir Oltean list_for_each_entry(dp, &dst->ports, list) 6766a43cba3SVladimir Oltean if (dsa_port_offloads_bridge_dev(dp, bridge_dev)) 6776a43cba3SVladimir Oltean return true; 6786a43cba3SVladimir Oltean 6796a43cba3SVladimir Oltean return false; 6806a43cba3SVladimir Oltean } 6816a43cba3SVladimir Oltean 6822bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 6832bedde1aSArkadi Sharshevsky bool is_static, void *data); 6849d490b4eSVivien Didelot struct dsa_switch_ops { 68553da0ebaSVladimir Oltean /* 68653da0ebaSVladimir Oltean * Tagging protocol helpers called for the CPU ports and DSA links. 68753da0ebaSVladimir Oltean * @get_tag_protocol retrieves the initial tagging protocol and is 68853da0ebaSVladimir Oltean * mandatory. Switches which can operate using multiple tagging 68953da0ebaSVladimir Oltean * protocols should implement @change_tag_protocol and report in 69053da0ebaSVladimir Oltean * @get_tag_protocol the tagger in current use. 69153da0ebaSVladimir Oltean */ 6925ed4e3ebSFlorian Fainelli enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, 6934d776482SFlorian Fainelli int port, 6944d776482SFlorian Fainelli enum dsa_tag_protocol mprot); 69553da0ebaSVladimir Oltean int (*change_tag_protocol)(struct dsa_switch *ds, int port, 69653da0ebaSVladimir Oltean enum dsa_tag_protocol proto); 697*dc452a47SVladimir Oltean /* 698*dc452a47SVladimir Oltean * Method for switch drivers to connect to the tagging protocol driver 699*dc452a47SVladimir Oltean * in current use. The switch driver can provide handlers for certain 700*dc452a47SVladimir Oltean * types of packets for switch management. 701*dc452a47SVladimir Oltean */ 702*dc452a47SVladimir Oltean int (*connect_tag_protocol)(struct dsa_switch *ds, 703*dc452a47SVladimir Oltean enum dsa_tag_protocol proto); 7047b314362SAndrew Lunn 705fd292c18SVladimir Oltean /* Optional switch-wide initialization and destruction methods */ 706c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 7075e3f847aSVladimir Oltean void (*teardown)(struct dsa_switch *ds); 708fd292c18SVladimir Oltean 709fd292c18SVladimir Oltean /* Per-port initialization and destruction methods. Mandatory if the 710fd292c18SVladimir Oltean * driver registers devlink port regions, optional otherwise. 711fd292c18SVladimir Oltean */ 712fd292c18SVladimir Oltean int (*port_setup)(struct dsa_switch *ds, int port); 713fd292c18SVladimir Oltean void (*port_teardown)(struct dsa_switch *ds, int port); 714fd292c18SVladimir Oltean 7156819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 716c8f0b869SBen Hutchings 717c8f0b869SBen Hutchings /* 718c8f0b869SBen Hutchings * Access to the switch's PHY registers. 719c8f0b869SBen Hutchings */ 720c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 721c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 722c8f0b869SBen Hutchings int regnum, u16 val); 723c8f0b869SBen Hutchings 724c8f0b869SBen Hutchings /* 725ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 726ec9436baSFlorian Fainelli */ 727ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 728ec9436baSFlorian Fainelli struct phy_device *phydev); 729ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 730ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 731ec9436baSFlorian Fainelli 732ec9436baSFlorian Fainelli /* 73311d8f3ddSFlorian Fainelli * PHYLINK integration 73411d8f3ddSFlorian Fainelli */ 735072eea6cSRussell King (Oracle) void (*phylink_get_caps)(struct dsa_switch *ds, int port, 736072eea6cSRussell King (Oracle) struct phylink_config *config); 73711d8f3ddSFlorian Fainelli void (*phylink_validate)(struct dsa_switch *ds, int port, 73811d8f3ddSFlorian Fainelli unsigned long *supported, 73911d8f3ddSFlorian Fainelli struct phylink_link_state *state); 74011d8f3ddSFlorian Fainelli int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, 74111d8f3ddSFlorian Fainelli struct phylink_link_state *state); 74211d8f3ddSFlorian Fainelli void (*phylink_mac_config)(struct dsa_switch *ds, int port, 74311d8f3ddSFlorian Fainelli unsigned int mode, 74411d8f3ddSFlorian Fainelli const struct phylink_link_state *state); 74511d8f3ddSFlorian Fainelli void (*phylink_mac_an_restart)(struct dsa_switch *ds, int port); 74611d8f3ddSFlorian Fainelli void (*phylink_mac_link_down)(struct dsa_switch *ds, int port, 74711d8f3ddSFlorian Fainelli unsigned int mode, 74811d8f3ddSFlorian Fainelli phy_interface_t interface); 74911d8f3ddSFlorian Fainelli void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, 75011d8f3ddSFlorian Fainelli unsigned int mode, 75111d8f3ddSFlorian Fainelli phy_interface_t interface, 7525b502a7bSRussell King struct phy_device *phydev, 7535b502a7bSRussell King int speed, int duplex, 7545b502a7bSRussell King bool tx_pause, bool rx_pause); 75511d8f3ddSFlorian Fainelli void (*phylink_fixed_state)(struct dsa_switch *ds, int port, 75611d8f3ddSFlorian Fainelli struct phylink_link_state *state); 75711d8f3ddSFlorian Fainelli /* 758c2ec5f2eSOleksij Rempel * Port statistics counters. 759c8f0b869SBen Hutchings */ 76089f09048SFlorian Fainelli void (*get_strings)(struct dsa_switch *ds, int port, 76189f09048SFlorian Fainelli u32 stringset, uint8_t *data); 762c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 763c8f0b869SBen Hutchings int port, uint64_t *data); 76489f09048SFlorian Fainelli int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); 765cf963573SFlorian Fainelli void (*get_ethtool_phy_stats)(struct dsa_switch *ds, 766cf963573SFlorian Fainelli int port, uint64_t *data); 767487d3855SAlvin Šipraga void (*get_eth_phy_stats)(struct dsa_switch *ds, int port, 768487d3855SAlvin Šipraga struct ethtool_eth_phy_stats *phy_stats); 769487d3855SAlvin Šipraga void (*get_eth_mac_stats)(struct dsa_switch *ds, int port, 770487d3855SAlvin Šipraga struct ethtool_eth_mac_stats *mac_stats); 771487d3855SAlvin Šipraga void (*get_eth_ctrl_stats)(struct dsa_switch *ds, int port, 772487d3855SAlvin Šipraga struct ethtool_eth_ctrl_stats *ctrl_stats); 773c2ec5f2eSOleksij Rempel void (*get_stats64)(struct dsa_switch *ds, int port, 774c2ec5f2eSOleksij Rempel struct rtnl_link_stats64 *s); 775a71acad9SOleksij Rempel void (*self_test)(struct dsa_switch *ds, int port, 776a71acad9SOleksij Rempel struct ethtool_test *etest, u64 *data); 77724462549SFlorian Fainelli 77824462549SFlorian Fainelli /* 77919e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 78019e57c4eSFlorian Fainelli */ 78119e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 78219e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 78319e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 78419e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 78519e57c4eSFlorian Fainelli 78619e57c4eSFlorian Fainelli /* 7870336369dSBrandon Streiff * ethtool timestamp info 7880336369dSBrandon Streiff */ 7890336369dSBrandon Streiff int (*get_ts_info)(struct dsa_switch *ds, int port, 7900336369dSBrandon Streiff struct ethtool_ts_info *ts); 7910336369dSBrandon Streiff 7920336369dSBrandon Streiff /* 79324462549SFlorian Fainelli * Suspend and resume 79424462549SFlorian Fainelli */ 79524462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 79624462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 797b2f2af21SFlorian Fainelli 798b2f2af21SFlorian Fainelli /* 799b2f2af21SFlorian Fainelli * Port enable/disable 800b2f2af21SFlorian Fainelli */ 801b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 802b2f2af21SFlorian Fainelli struct phy_device *phy); 80375104db0SAndrew Lunn void (*port_disable)(struct dsa_switch *ds, int port); 8047905288fSFlorian Fainelli 8057905288fSFlorian Fainelli /* 80608f50061SVivien Didelot * Port's MAC EEE settings 8077905288fSFlorian Fainelli */ 80808f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 8097905288fSFlorian Fainelli struct ethtool_eee *e); 81008f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 8117905288fSFlorian Fainelli struct ethtool_eee *e); 81251579c3fSGuenter Roeck 8136793abb4SGuenter Roeck /* EEPROM access */ 8146793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 8156793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 8166793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 8176793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 8186793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 8193d762a0fSGuenter Roeck 8203d762a0fSGuenter Roeck /* 8213d762a0fSGuenter Roeck * Register access. 8223d762a0fSGuenter Roeck */ 8233d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 8243d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 8253d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 826b73adef6SFlorian Fainelli 827b73adef6SFlorian Fainelli /* 828e358bef7SVladimir Oltean * Upper device tracking. 829e358bef7SVladimir Oltean */ 830e358bef7SVladimir Oltean int (*port_prechangeupper)(struct dsa_switch *ds, int port, 831e358bef7SVladimir Oltean struct netdev_notifier_changeupper_info *info); 832e358bef7SVladimir Oltean 833e358bef7SVladimir Oltean /* 834b73adef6SFlorian Fainelli * Bridge integration 835b73adef6SFlorian Fainelli */ 83634a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 83771327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 838b079922bSVladimir Oltean struct dsa_bridge bridge, 839b079922bSVladimir Oltean bool *tx_fwd_offload); 840f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 841d3eed0e5SVladimir Oltean struct dsa_bridge bridge); 84243c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 843b73adef6SFlorian Fainelli u8 state); 844732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 845a8b659e7SVladimir Oltean int (*port_pre_bridge_flags)(struct dsa_switch *ds, int port, 846a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 847a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 848a8b659e7SVladimir Oltean int (*port_bridge_flags)(struct dsa_switch *ds, int port, 849a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 850a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 8512a778e1bSVivien Didelot 8522a778e1bSVivien Didelot /* 85311149536SVivien Didelot * VLAN support 85411149536SVivien Didelot */ 855fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 85689153ed6SVladimir Oltean bool vlan_filtering, 85789153ed6SVladimir Oltean struct netlink_ext_ack *extack); 8581958d581SVladimir Oltean int (*port_vlan_add)(struct dsa_switch *ds, int port, 85931046a5fSVladimir Oltean const struct switchdev_obj_port_vlan *vlan, 86031046a5fSVladimir Oltean struct netlink_ext_ack *extack); 86176e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 86276e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 86311149536SVivien Didelot /* 8642a778e1bSVivien Didelot * Forwarding database 8652a778e1bSVivien Didelot */ 8661b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 8676c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 8682a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 8696c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 870ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 8712bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 8728df30255SVivien Didelot 8738df30255SVivien Didelot /* 8748df30255SVivien Didelot * Multicast database 8758df30255SVivien Didelot */ 876a52b2da7SVladimir Oltean int (*port_mdb_add)(struct dsa_switch *ds, int port, 8773709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 8788df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 8798df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 880bf9f2648SFlorian Fainelli /* 881bf9f2648SFlorian Fainelli * RXNFC 882bf9f2648SFlorian Fainelli */ 883bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 884bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 885bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 886bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 887f50f2127SFlorian Fainelli 888f50f2127SFlorian Fainelli /* 889f50f2127SFlorian Fainelli * TC integration 890f50f2127SFlorian Fainelli */ 891ed11bb1fSVladimir Oltean int (*cls_flower_add)(struct dsa_switch *ds, int port, 892ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 893ed11bb1fSVladimir Oltean int (*cls_flower_del)(struct dsa_switch *ds, int port, 894ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 895ed11bb1fSVladimir Oltean int (*cls_flower_stats)(struct dsa_switch *ds, int port, 896ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 897f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 898f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 899f50f2127SFlorian Fainelli bool ingress); 900f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 901f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 90234297176SVladimir Oltean int (*port_policer_add)(struct dsa_switch *ds, int port, 90334297176SVladimir Oltean struct dsa_mall_policer_tc_entry *policer); 90434297176SVladimir Oltean void (*port_policer_del)(struct dsa_switch *ds, int port); 90547d23af2SVladimir Oltean int (*port_setup_tc)(struct dsa_switch *ds, int port, 90647d23af2SVladimir Oltean enum tc_setup_type type, void *type_data); 90740ef2c93SVivien Didelot 90840ef2c93SVivien Didelot /* 90940ef2c93SVivien Didelot * Cross-chip operations 91040ef2c93SVivien Didelot */ 911f66a6a69SVladimir Oltean int (*crosschip_bridge_join)(struct dsa_switch *ds, int tree_index, 912f66a6a69SVladimir Oltean int sw_index, int port, 913d3eed0e5SVladimir Oltean struct dsa_bridge bridge); 914f66a6a69SVladimir Oltean void (*crosschip_bridge_leave)(struct dsa_switch *ds, int tree_index, 915f66a6a69SVladimir Oltean int sw_index, int port, 916d3eed0e5SVladimir Oltean struct dsa_bridge bridge); 917058102a6STobias Waldekranz int (*crosschip_lag_change)(struct dsa_switch *ds, int sw_index, 918058102a6STobias Waldekranz int port); 919058102a6STobias Waldekranz int (*crosschip_lag_join)(struct dsa_switch *ds, int sw_index, 920058102a6STobias Waldekranz int port, struct net_device *lag, 921058102a6STobias Waldekranz struct netdev_lag_upper_info *info); 922058102a6STobias Waldekranz int (*crosschip_lag_leave)(struct dsa_switch *ds, int sw_index, 923058102a6STobias Waldekranz int port, struct net_device *lag); 9240336369dSBrandon Streiff 9250336369dSBrandon Streiff /* 9260336369dSBrandon Streiff * PTP functionality 9270336369dSBrandon Streiff */ 9280336369dSBrandon Streiff int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, 9290336369dSBrandon Streiff struct ifreq *ifr); 9300336369dSBrandon Streiff int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, 9310336369dSBrandon Streiff struct ifreq *ifr); 9325c5416f5SYangbo Lu void (*port_txtstamp)(struct dsa_switch *ds, int port, 9335c5416f5SYangbo Lu struct sk_buff *skb); 93490af1059SBrandon Streiff bool (*port_rxtstamp)(struct dsa_switch *ds, int port, 93590af1059SBrandon Streiff struct sk_buff *skb, unsigned int type); 93697a69a0dSVladimir Oltean 9370f06b855SAndrew Lunn /* Devlink parameters, etc */ 9386b297524SAndrew Lunn int (*devlink_param_get)(struct dsa_switch *ds, u32 id, 9396b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 9406b297524SAndrew Lunn int (*devlink_param_set)(struct dsa_switch *ds, u32 id, 9416b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 9420f06b855SAndrew Lunn int (*devlink_info_get)(struct dsa_switch *ds, 9430f06b855SAndrew Lunn struct devlink_info_req *req, 9440f06b855SAndrew Lunn struct netlink_ext_ack *extack); 9452a6ef763SVladimir Oltean int (*devlink_sb_pool_get)(struct dsa_switch *ds, 9462a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 9472a6ef763SVladimir Oltean struct devlink_sb_pool_info *pool_info); 9482a6ef763SVladimir Oltean int (*devlink_sb_pool_set)(struct dsa_switch *ds, unsigned int sb_index, 9492a6ef763SVladimir Oltean u16 pool_index, u32 size, 9502a6ef763SVladimir Oltean enum devlink_sb_threshold_type threshold_type, 9512a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 9522a6ef763SVladimir Oltean int (*devlink_sb_port_pool_get)(struct dsa_switch *ds, int port, 9532a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 9542a6ef763SVladimir Oltean u32 *p_threshold); 9552a6ef763SVladimir Oltean int (*devlink_sb_port_pool_set)(struct dsa_switch *ds, int port, 9562a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 9572a6ef763SVladimir Oltean u32 threshold, 9582a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 9592a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_get)(struct dsa_switch *ds, int port, 9602a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 9612a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 9622a6ef763SVladimir Oltean u16 *p_pool_index, u32 *p_threshold); 9632a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_set)(struct dsa_switch *ds, int port, 9642a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 9652a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 9662a6ef763SVladimir Oltean u16 pool_index, u32 threshold, 9672a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 9682a6ef763SVladimir Oltean int (*devlink_sb_occ_snapshot)(struct dsa_switch *ds, 9692a6ef763SVladimir Oltean unsigned int sb_index); 9702a6ef763SVladimir Oltean int (*devlink_sb_occ_max_clear)(struct dsa_switch *ds, 9712a6ef763SVladimir Oltean unsigned int sb_index); 9722a6ef763SVladimir Oltean int (*devlink_sb_occ_port_pool_get)(struct dsa_switch *ds, int port, 9732a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 9742a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 9752a6ef763SVladimir Oltean int (*devlink_sb_occ_tc_port_bind_get)(struct dsa_switch *ds, int port, 9762a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 9772a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 9782a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 979bfcb8132SVladimir Oltean 980bfcb8132SVladimir Oltean /* 981bfcb8132SVladimir Oltean * MTU change functionality. Switches can also adjust their MRU through 982bfcb8132SVladimir Oltean * this method. By MTU, one understands the SDU (L2 payload) length. 983bfcb8132SVladimir Oltean * If the switch needs to account for the DSA tag on the CPU port, this 984ab88d64aSRandy Dunlap * method needs to do so privately. 985bfcb8132SVladimir Oltean */ 986bfcb8132SVladimir Oltean int (*port_change_mtu)(struct dsa_switch *ds, int port, 987bfcb8132SVladimir Oltean int new_mtu); 988bfcb8132SVladimir Oltean int (*port_max_mtu)(struct dsa_switch *ds, int port); 989058102a6STobias Waldekranz 990058102a6STobias Waldekranz /* 991058102a6STobias Waldekranz * LAG integration 992058102a6STobias Waldekranz */ 993058102a6STobias Waldekranz int (*port_lag_change)(struct dsa_switch *ds, int port); 994058102a6STobias Waldekranz int (*port_lag_join)(struct dsa_switch *ds, int port, 995058102a6STobias Waldekranz struct net_device *lag, 996058102a6STobias Waldekranz struct netdev_lag_upper_info *info); 997058102a6STobias Waldekranz int (*port_lag_leave)(struct dsa_switch *ds, int port, 998058102a6STobias Waldekranz struct net_device *lag); 99918596f50SGeorge McCollister 100018596f50SGeorge McCollister /* 100118596f50SGeorge McCollister * HSR integration 100218596f50SGeorge McCollister */ 100318596f50SGeorge McCollister int (*port_hsr_join)(struct dsa_switch *ds, int port, 100418596f50SGeorge McCollister struct net_device *hsr); 100518596f50SGeorge McCollister int (*port_hsr_leave)(struct dsa_switch *ds, int port, 100618596f50SGeorge McCollister struct net_device *hsr); 1007c595c433SHoratiu Vultur 1008c595c433SHoratiu Vultur /* 1009c595c433SHoratiu Vultur * MRP integration 1010c595c433SHoratiu Vultur */ 1011c595c433SHoratiu Vultur int (*port_mrp_add)(struct dsa_switch *ds, int port, 1012c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 1013c595c433SHoratiu Vultur int (*port_mrp_del)(struct dsa_switch *ds, int port, 1014c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 1015c595c433SHoratiu Vultur int (*port_mrp_add_ring_role)(struct dsa_switch *ds, int port, 1016c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 1017c595c433SHoratiu Vultur int (*port_mrp_del_ring_role)(struct dsa_switch *ds, int port, 1018c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 10195da11eb4SVladimir Oltean 10205da11eb4SVladimir Oltean /* 10215da11eb4SVladimir Oltean * tag_8021q operations 10225da11eb4SVladimir Oltean */ 10235da11eb4SVladimir Oltean int (*tag_8021q_vlan_add)(struct dsa_switch *ds, int port, u16 vid, 10245da11eb4SVladimir Oltean u16 flags); 10255da11eb4SVladimir Oltean int (*tag_8021q_vlan_del)(struct dsa_switch *ds, int port, u16 vid); 10266b297524SAndrew Lunn }; 10276b297524SAndrew Lunn 10286b297524SAndrew Lunn #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ 10296b297524SAndrew Lunn DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, \ 10306b297524SAndrew Lunn dsa_devlink_param_get, dsa_devlink_param_set, NULL) 10316b297524SAndrew Lunn 10326b297524SAndrew Lunn int dsa_devlink_param_get(struct devlink *dl, u32 id, 10336b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 10346b297524SAndrew Lunn int dsa_devlink_param_set(struct devlink *dl, u32 id, 10356b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 10366b297524SAndrew Lunn int dsa_devlink_params_register(struct dsa_switch *ds, 10376b297524SAndrew Lunn const struct devlink_param *params, 10386b297524SAndrew Lunn size_t params_count); 10396b297524SAndrew Lunn void dsa_devlink_params_unregister(struct dsa_switch *ds, 10406b297524SAndrew Lunn const struct devlink_param *params, 10416b297524SAndrew Lunn size_t params_count); 10425cd73fbdSAndrew Lunn int dsa_devlink_resource_register(struct dsa_switch *ds, 10435cd73fbdSAndrew Lunn const char *resource_name, 10445cd73fbdSAndrew Lunn u64 resource_size, 10455cd73fbdSAndrew Lunn u64 resource_id, 10465cd73fbdSAndrew Lunn u64 parent_resource_id, 10475cd73fbdSAndrew Lunn const struct devlink_resource_size_params *size_params); 10485cd73fbdSAndrew Lunn 10495cd73fbdSAndrew Lunn void dsa_devlink_resources_unregister(struct dsa_switch *ds); 10505cd73fbdSAndrew Lunn 10515cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds, 10525cd73fbdSAndrew Lunn u64 resource_id, 10535cd73fbdSAndrew Lunn devlink_resource_occ_get_t *occ_get, 10545cd73fbdSAndrew Lunn void *occ_get_priv); 10555cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds, 10565cd73fbdSAndrew Lunn u64 resource_id); 105797c82c23SAndrew Lunn struct devlink_region * 105897c82c23SAndrew Lunn dsa_devlink_region_create(struct dsa_switch *ds, 105997c82c23SAndrew Lunn const struct devlink_region_ops *ops, 106097c82c23SAndrew Lunn u32 region_max_snapshots, u64 region_size); 106108156ba4SAndrew Lunn struct devlink_region * 106208156ba4SAndrew Lunn dsa_devlink_port_region_create(struct dsa_switch *ds, 106308156ba4SAndrew Lunn int port, 106408156ba4SAndrew Lunn const struct devlink_port_region_ops *ops, 106508156ba4SAndrew Lunn u32 region_max_snapshots, u64 region_size); 106697c82c23SAndrew Lunn void dsa_devlink_region_destroy(struct devlink_region *region); 106797c82c23SAndrew Lunn 1068e1eea811SVladimir Oltean struct dsa_port *dsa_port_from_netdev(struct net_device *netdev); 10695cd73fbdSAndrew Lunn 10706b297524SAndrew Lunn struct dsa_devlink_priv { 10716b297524SAndrew Lunn struct dsa_switch *ds; 1072c8f0b869SBen Hutchings }; 1073c8f0b869SBen Hutchings 1074ccc3e6b0SAndrew Lunn static inline struct dsa_switch *dsa_devlink_to_ds(struct devlink *dl) 1075ccc3e6b0SAndrew Lunn { 1076ccc3e6b0SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 1077ccc3e6b0SAndrew Lunn 1078ccc3e6b0SAndrew Lunn return dl_priv->ds; 1079ccc3e6b0SAndrew Lunn } 1080ccc3e6b0SAndrew Lunn 10817d1e2a10SAndrew Lunn static inline 10827d1e2a10SAndrew Lunn struct dsa_switch *dsa_devlink_port_to_ds(struct devlink_port *port) 10837d1e2a10SAndrew Lunn { 10847d1e2a10SAndrew Lunn struct devlink *dl = port->devlink; 10857d1e2a10SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 10867d1e2a10SAndrew Lunn 10877d1e2a10SAndrew Lunn return dl_priv->ds; 10887d1e2a10SAndrew Lunn } 10897d1e2a10SAndrew Lunn 10907d1e2a10SAndrew Lunn static inline int dsa_devlink_port_to_port(struct devlink_port *port) 10917d1e2a10SAndrew Lunn { 10927d1e2a10SAndrew Lunn return port->index; 10937d1e2a10SAndrew Lunn } 10947d1e2a10SAndrew Lunn 1095ab3d408dSFlorian Fainelli struct dsa_switch_driver { 1096ab3d408dSFlorian Fainelli struct list_head list; 1097a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 1098ab3d408dSFlorian Fainelli }; 1099ab3d408dSFlorian Fainelli 110014b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 1101c8f0b869SBen Hutchings 110273a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 11039eb8eff0SVladimir Oltean static inline bool netdev_uses_dsa(const struct net_device *dev) 1104c6e970a0SAndrew Lunn { 1105c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 1106717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 1107c6e970a0SAndrew Lunn #endif 1108c6e970a0SAndrew Lunn return false; 1109c6e970a0SAndrew Lunn } 1110c6e970a0SAndrew Lunn 11119790cf20SVladimir Oltean /* All DSA tags that push the EtherType to the right (basically all except tail 11129790cf20SVladimir Oltean * tags, which don't break dissection) can be treated the same from the 11139790cf20SVladimir Oltean * perspective of the flow dissector. 11149790cf20SVladimir Oltean * 11159790cf20SVladimir Oltean * We need to return: 11169790cf20SVladimir Oltean * - offset: the (B - A) difference between: 11179790cf20SVladimir Oltean * A. the position of the real EtherType and 11189790cf20SVladimir Oltean * B. the current skb->data (aka ETH_HLEN bytes into the frame, aka 2 bytes 11199790cf20SVladimir Oltean * after the normal EtherType was supposed to be) 11209790cf20SVladimir Oltean * The offset in bytes is exactly equal to the tagger overhead (and half of 11219790cf20SVladimir Oltean * that, in __be16 shorts). 11229790cf20SVladimir Oltean * 11239790cf20SVladimir Oltean * - proto: the value of the real EtherType. 11249790cf20SVladimir Oltean */ 11259790cf20SVladimir Oltean static inline void dsa_tag_generic_flow_dissect(const struct sk_buff *skb, 11269790cf20SVladimir Oltean __be16 *proto, int *offset) 11279790cf20SVladimir Oltean { 11289790cf20SVladimir Oltean #if IS_ENABLED(CONFIG_NET_DSA) 11299790cf20SVladimir Oltean const struct dsa_device_ops *ops = skb->dev->dsa_ptr->tag_ops; 11304e500251SVladimir Oltean int tag_len = ops->needed_headroom; 11319790cf20SVladimir Oltean 11329790cf20SVladimir Oltean *offset = tag_len; 11339790cf20SVladimir Oltean *proto = ((__be16 *)skb->data)[(tag_len / 2) - 1]; 11349790cf20SVladimir Oltean #endif 11359790cf20SVladimir Oltean } 11369790cf20SVladimir Oltean 11374cfab356SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 11384cfab356SFlorian Fainelli static inline int __dsa_netdevice_ops_check(struct net_device *dev) 11394cfab356SFlorian Fainelli { 11404cfab356SFlorian Fainelli int err = -EOPNOTSUPP; 11414cfab356SFlorian Fainelli 11424cfab356SFlorian Fainelli if (!dev->dsa_ptr) 11434cfab356SFlorian Fainelli return err; 11444cfab356SFlorian Fainelli 11454cfab356SFlorian Fainelli if (!dev->dsa_ptr->netdev_ops) 11464cfab356SFlorian Fainelli return err; 11474cfab356SFlorian Fainelli 11484cfab356SFlorian Fainelli return 0; 11494cfab356SFlorian Fainelli } 11504cfab356SFlorian Fainelli 1151a7605370SArnd Bergmann static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, 11524cfab356SFlorian Fainelli int cmd) 11534cfab356SFlorian Fainelli { 11544cfab356SFlorian Fainelli const struct dsa_netdevice_ops *ops; 11554cfab356SFlorian Fainelli int err; 11564cfab356SFlorian Fainelli 11574cfab356SFlorian Fainelli err = __dsa_netdevice_ops_check(dev); 11584cfab356SFlorian Fainelli if (err) 11594cfab356SFlorian Fainelli return err; 11604cfab356SFlorian Fainelli 11614cfab356SFlorian Fainelli ops = dev->dsa_ptr->netdev_ops; 11624cfab356SFlorian Fainelli 1163a7605370SArnd Bergmann return ops->ndo_eth_ioctl(dev, ifr, cmd); 11644cfab356SFlorian Fainelli } 11654cfab356SFlorian Fainelli #else 1166a7605370SArnd Bergmann static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, 11674cfab356SFlorian Fainelli int cmd) 11684cfab356SFlorian Fainelli { 11694cfab356SFlorian Fainelli return -EOPNOTSUPP; 11704cfab356SFlorian Fainelli } 11714cfab356SFlorian Fainelli #endif 11724cfab356SFlorian Fainelli 117383c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 117423c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 11750650bf52SVladimir Oltean void dsa_switch_shutdown(struct dsa_switch *ds); 11763b7bc1f0SVladimir Oltean struct dsa_switch *dsa_switch_find(int tree_index, int sw_index); 1177ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 1178ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 1179ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 1180ea825e70SFlorian Fainelli #else 1181ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 1182ea825e70SFlorian Fainelli { 1183ea825e70SFlorian Fainelli return 0; 1184ea825e70SFlorian Fainelli } 1185ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 1186ea825e70SFlorian Fainelli { 1187ea825e70SFlorian Fainelli return 0; 1188ea825e70SFlorian Fainelli } 1189ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 1190ea825e70SFlorian Fainelli 119160724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 1192a5e3c9baSVladimir Oltean bool dsa_slave_dev_check(const struct net_device *dev); 119360724d4bSFlorian Fainelli #else 1194a5e3c9baSVladimir Oltean static inline bool dsa_slave_dev_check(const struct net_device *dev) 1195a5e3c9baSVladimir Oltean { 1196a5e3c9baSVladimir Oltean return false; 1197a5e3c9baSVladimir Oltean } 119860724d4bSFlorian Fainelli #endif 119960724d4bSFlorian Fainelli 120097a69a0dSVladimir Oltean netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev); 1201cf963573SFlorian Fainelli int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data); 1202cf963573SFlorian Fainelli int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); 1203cf963573SFlorian Fainelli int dsa_port_get_phy_sset_count(struct dsa_port *dp); 120411d8f3ddSFlorian Fainelli void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); 1205cf963573SFlorian Fainelli 1206d3b8c049SAndrew Lunn struct dsa_tag_driver { 1207d3b8c049SAndrew Lunn const struct dsa_device_ops *ops; 1208d3b8c049SAndrew Lunn struct list_head list; 1209d3b8c049SAndrew Lunn struct module *owner; 1210d3b8c049SAndrew Lunn }; 1211d3b8c049SAndrew Lunn 1212d3b8c049SAndrew Lunn void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[], 1213d3b8c049SAndrew Lunn unsigned int count, 1214d3b8c049SAndrew Lunn struct module *owner); 1215d3b8c049SAndrew Lunn void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[], 1216d3b8c049SAndrew Lunn unsigned int count); 1217d3b8c049SAndrew Lunn 1218d3b8c049SAndrew Lunn #define dsa_tag_driver_module_drivers(__dsa_tag_drivers_array, __count) \ 1219d3b8c049SAndrew Lunn static int __init dsa_tag_driver_module_init(void) \ 1220d3b8c049SAndrew Lunn { \ 1221d3b8c049SAndrew Lunn dsa_tag_drivers_register(__dsa_tag_drivers_array, __count, \ 1222d3b8c049SAndrew Lunn THIS_MODULE); \ 1223d3b8c049SAndrew Lunn return 0; \ 1224d3b8c049SAndrew Lunn } \ 1225d3b8c049SAndrew Lunn module_init(dsa_tag_driver_module_init); \ 1226d3b8c049SAndrew Lunn \ 1227d3b8c049SAndrew Lunn static void __exit dsa_tag_driver_module_exit(void) \ 1228d3b8c049SAndrew Lunn { \ 1229d3b8c049SAndrew Lunn dsa_tag_drivers_unregister(__dsa_tag_drivers_array, __count); \ 1230d3b8c049SAndrew Lunn } \ 1231d3b8c049SAndrew Lunn module_exit(dsa_tag_driver_module_exit) 1232d3b8c049SAndrew Lunn 1233d3b8c049SAndrew Lunn /** 1234d3b8c049SAndrew Lunn * module_dsa_tag_drivers() - Helper macro for registering DSA tag 1235d3b8c049SAndrew Lunn * drivers 1236d3b8c049SAndrew Lunn * @__ops_array: Array of tag driver strucutres 1237d3b8c049SAndrew Lunn * 1238d3b8c049SAndrew Lunn * Helper macro for DSA tag drivers which do not do anything special 1239d3b8c049SAndrew Lunn * in module init/exit. Each module may only use this macro once, and 1240d3b8c049SAndrew Lunn * calling it replaces module_init() and module_exit(). 1241d3b8c049SAndrew Lunn */ 1242d3b8c049SAndrew Lunn #define module_dsa_tag_drivers(__ops_array) \ 1243d3b8c049SAndrew Lunn dsa_tag_driver_module_drivers(__ops_array, ARRAY_SIZE(__ops_array)) 1244d3b8c049SAndrew Lunn 1245d3b8c049SAndrew Lunn #define DSA_TAG_DRIVER_NAME(__ops) dsa_tag_driver ## _ ## __ops 1246d3b8c049SAndrew Lunn 1247d3b8c049SAndrew Lunn /* Create a static structure we can build a linked list of dsa_tag 1248d3b8c049SAndrew Lunn * drivers 1249d3b8c049SAndrew Lunn */ 1250d3b8c049SAndrew Lunn #define DSA_TAG_DRIVER(__ops) \ 1251d3b8c049SAndrew Lunn static struct dsa_tag_driver DSA_TAG_DRIVER_NAME(__ops) = { \ 1252d3b8c049SAndrew Lunn .ops = &__ops, \ 1253d3b8c049SAndrew Lunn } 1254d3b8c049SAndrew Lunn 1255d3b8c049SAndrew Lunn /** 1256d3b8c049SAndrew Lunn * module_dsa_tag_driver() - Helper macro for registering a single DSA tag 1257d3b8c049SAndrew Lunn * driver 1258d3b8c049SAndrew Lunn * @__ops: Single tag driver structures 1259d3b8c049SAndrew Lunn * 1260d3b8c049SAndrew Lunn * Helper macro for DSA tag drivers which do not do anything special 1261d3b8c049SAndrew Lunn * in module init/exit. Each module may only use this macro once, and 1262d3b8c049SAndrew Lunn * calling it replaces module_init() and module_exit(). 1263d3b8c049SAndrew Lunn */ 1264d3b8c049SAndrew Lunn #define module_dsa_tag_driver(__ops) \ 1265d3b8c049SAndrew Lunn DSA_TAG_DRIVER(__ops); \ 1266d3b8c049SAndrew Lunn \ 1267d3b8c049SAndrew Lunn static struct dsa_tag_driver *dsa_tag_driver_array[] = { \ 1268d3b8c049SAndrew Lunn &DSA_TAG_DRIVER_NAME(__ops) \ 1269d3b8c049SAndrew Lunn }; \ 1270d3b8c049SAndrew Lunn module_dsa_tag_drivers(dsa_tag_driver_array) 127191da11f8SLennert Buytenhek #endif 1272d3b8c049SAndrew Lunn 1273