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; 853e8a72d1SFlorian Fainelli 8668277a2cSJohn Crispin struct dsa_device_ops { 8768277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 8829a097b7SVladimir Oltean struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); 892e8cb1b3SVladimir Oltean void (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 90598a9680SJohn Crispin int *offset); 914e500251SVladimir Oltean unsigned int needed_headroom; 924e500251SVladimir Oltean unsigned int needed_tailroom; 93875138f8SAndrew Lunn const char *name; 94056eed2fSAndrew Lunn enum dsa_tag_protocol proto; 95c3975400SVladimir Oltean /* Some tagging protocols either mangle or shift the destination MAC 96c3975400SVladimir Oltean * address, in which case the DSA master would drop packets on ingress 97c3975400SVladimir Oltean * if what it understands out of the destination MAC address is not in 98c3975400SVladimir Oltean * its RX filter. 99c3975400SVladimir Oltean */ 100c3975400SVladimir Oltean bool promisc_on_master; 10168277a2cSJohn Crispin }; 10268277a2cSJohn Crispin 1034cfab356SFlorian Fainelli /* This structure defines the control interfaces that are overlayed by the 1044cfab356SFlorian Fainelli * DSA layer on top of the DSA CPU/management net_device instance. This is 1054cfab356SFlorian Fainelli * used by the core net_device layer while calling various net_device_ops 1064cfab356SFlorian Fainelli * function pointers. 1074cfab356SFlorian Fainelli */ 1084cfab356SFlorian Fainelli struct dsa_netdevice_ops { 109a7605370SArnd Bergmann int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, 1104cfab356SFlorian Fainelli int cmd); 1114cfab356SFlorian Fainelli }; 1124cfab356SFlorian Fainelli 1130b42f033SAndrew Lunn #define DSA_TAG_DRIVER_ALIAS "dsa_tag-" 1140b42f033SAndrew Lunn #define MODULE_ALIAS_DSA_TAG_DRIVER(__proto) \ 1150b42f033SAndrew Lunn MODULE_ALIAS(DSA_TAG_DRIVER_ALIAS __stringify(__proto##_VALUE)) 1160b42f033SAndrew Lunn 117cf50dcc2SBen Hutchings struct dsa_switch_tree { 11883c0afaeSAndrew Lunn struct list_head list; 11983c0afaeSAndrew Lunn 120f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 121f515f192SVivien Didelot struct raw_notifier_head nh; 122f515f192SVivien Didelot 12383c0afaeSAndrew Lunn /* Tree identifier */ 12449463b7fSVivien Didelot unsigned int index; 12583c0afaeSAndrew Lunn 12683c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 12783c0afaeSAndrew Lunn struct kref refcount; 12883c0afaeSAndrew Lunn 12983c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 130ec15dd42SVivien Didelot bool setup; 13183c0afaeSAndrew Lunn 132357f203bSVladimir Oltean /* Tagging protocol operations */ 133357f203bSVladimir Oltean const struct dsa_device_ops *tag_ops; 134357f203bSVladimir Oltean 135deff7107STobias Waldekranz /* Default tagging protocol preferred by the switches in this 136deff7107STobias Waldekranz * tree. 137deff7107STobias Waldekranz */ 138deff7107STobias Waldekranz enum dsa_tag_protocol default_proto; 139deff7107STobias Waldekranz 140cf50dcc2SBen Hutchings /* 141cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 142cf50dcc2SBen Hutchings * this dsa switch tree instance. 143cf50dcc2SBen Hutchings */ 144cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 145cf85d08fSLennert Buytenhek 146ab8ccae1SVivien Didelot /* List of switch ports */ 147ab8ccae1SVivien Didelot struct list_head ports; 148ab8ccae1SVivien Didelot 149c5f51765SVivien Didelot /* List of DSA links composing the routing table */ 150c5f51765SVivien Didelot struct list_head rtable; 151058102a6STobias Waldekranz 152058102a6STobias Waldekranz /* Maps offloaded LAG netdevs to a zero-based linear ID for 153058102a6STobias Waldekranz * drivers that need it. 154058102a6STobias Waldekranz */ 155058102a6STobias Waldekranz struct net_device **lags; 156058102a6STobias Waldekranz unsigned int lags_len; 1575b22d366SVladimir Oltean 1585b22d366SVladimir Oltean /* Track the largest switch index within a tree */ 1595b22d366SVladimir Oltean unsigned int last_switch; 160cf50dcc2SBen Hutchings }; 161cf50dcc2SBen Hutchings 162058102a6STobias Waldekranz #define dsa_lags_foreach_id(_id, _dst) \ 163058102a6STobias Waldekranz for ((_id) = 0; (_id) < (_dst)->lags_len; (_id)++) \ 164058102a6STobias Waldekranz if ((_dst)->lags[(_id)]) 165058102a6STobias Waldekranz 166058102a6STobias Waldekranz #define dsa_lag_foreach_port(_dp, _dst, _lag) \ 167058102a6STobias Waldekranz list_for_each_entry((_dp), &(_dst)->ports, list) \ 168058102a6STobias Waldekranz if ((_dp)->lag_dev == (_lag)) 169058102a6STobias Waldekranz 17018596f50SGeorge McCollister #define dsa_hsr_foreach_port(_dp, _ds, _hsr) \ 17118596f50SGeorge McCollister list_for_each_entry((_dp), &(_ds)->dst->ports, list) \ 17218596f50SGeorge McCollister if ((_dp)->ds == (_ds) && (_dp)->hsr_dev == (_hsr)) 17318596f50SGeorge McCollister 174058102a6STobias Waldekranz static inline struct net_device *dsa_lag_dev(struct dsa_switch_tree *dst, 175058102a6STobias Waldekranz unsigned int id) 176058102a6STobias Waldekranz { 177058102a6STobias Waldekranz return dst->lags[id]; 178058102a6STobias Waldekranz } 179058102a6STobias Waldekranz 180058102a6STobias Waldekranz static inline int dsa_lag_id(struct dsa_switch_tree *dst, 181058102a6STobias Waldekranz struct net_device *lag) 182058102a6STobias Waldekranz { 183058102a6STobias Waldekranz unsigned int id; 184058102a6STobias Waldekranz 185058102a6STobias Waldekranz dsa_lags_foreach_id(id, dst) { 186058102a6STobias Waldekranz if (dsa_lag_dev(dst, id) == lag) 187058102a6STobias Waldekranz return id; 188058102a6STobias Waldekranz } 189058102a6STobias Waldekranz 190058102a6STobias Waldekranz return -ENODEV; 191058102a6STobias Waldekranz } 192058102a6STobias Waldekranz 19334297176SVladimir Oltean /* TC matchall action types */ 194f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 195f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 19634297176SVladimir Oltean DSA_PORT_MALL_POLICER, 197f50f2127SFlorian Fainelli }; 198f50f2127SFlorian Fainelli 199f50f2127SFlorian Fainelli /* TC mirroring entry */ 200f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 201f50f2127SFlorian Fainelli u8 to_local_port; 202f50f2127SFlorian Fainelli bool ingress; 203f50f2127SFlorian Fainelli }; 204f50f2127SFlorian Fainelli 20534297176SVladimir Oltean /* TC port policer entry */ 20634297176SVladimir Oltean struct dsa_mall_policer_tc_entry { 2075f035af7SPo Liu u32 burst; 20834297176SVladimir Oltean u64 rate_bytes_per_sec; 20934297176SVladimir Oltean }; 21034297176SVladimir Oltean 211f50f2127SFlorian Fainelli /* TC matchall entry */ 212f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 213f50f2127SFlorian Fainelli struct list_head list; 214f50f2127SFlorian Fainelli unsigned long cookie; 215f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 216f50f2127SFlorian Fainelli union { 217f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 21834297176SVladimir Oltean struct dsa_mall_policer_tc_entry policer; 219f50f2127SFlorian Fainelli }; 220f50f2127SFlorian Fainelli }; 221f50f2127SFlorian Fainelli 222f50f2127SFlorian Fainelli 223c8b09808SAndrew Lunn struct dsa_port { 224f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 225f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 226f8b8b1cdSVivien Didelot */ 227f8b8b1cdSVivien Didelot union { 228f8b8b1cdSVivien Didelot struct net_device *master; 229f8b8b1cdSVivien Didelot struct net_device *slave; 230f8b8b1cdSVivien Didelot }; 231f8b8b1cdSVivien Didelot 232357f203bSVladimir Oltean /* Copy of the tagging protocol operations, for quicker access 233357f203bSVladimir Oltean * in the data path. Valid only for the CPU ports. 234357f203bSVladimir Oltean */ 23515240248SVivien Didelot const struct dsa_device_ops *tag_ops; 23615240248SVivien Didelot 2373e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 2383e41f93bSVivien Didelot struct dsa_switch_tree *dst; 23929a097b7SVladimir Oltean struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); 2403e41f93bSVivien Didelot 241057cad2cSVivien Didelot enum { 242057cad2cSVivien Didelot DSA_PORT_TYPE_UNUSED = 0, 243057cad2cSVivien Didelot DSA_PORT_TYPE_CPU, 244057cad2cSVivien Didelot DSA_PORT_TYPE_DSA, 245057cad2cSVivien Didelot DSA_PORT_TYPE_USER, 246057cad2cSVivien Didelot } type; 247057cad2cSVivien Didelot 248818be848SVivien Didelot struct dsa_switch *ds; 249818be848SVivien Didelot unsigned int index; 25071e0bbdeSFlorian Fainelli const char *name; 25168b2d4a8SVivien Didelot struct dsa_port *cpu_dp; 25283216e39SMichael Walle u8 mac[ETH_ALEN]; 253189b0d93SAndrew Lunn struct device_node *dn; 25434a79f63SVivien Didelot unsigned int ageing_time; 25533162e9aSVladimir Oltean bool vlan_filtering; 2565313a37bSVladimir Oltean /* Managed by DSA on user ports and by drivers on CPU and DSA ports */ 257045c45d1SVladimir Oltean bool learning; 258732f794cSVivien Didelot u8 stp_state; 259a5e9a02eSVivien Didelot struct net_device *bridge_dev; 260123abc06SVladimir Oltean int bridge_num; 26196567d5dSAndrew Lunn struct devlink_port devlink_port; 2623122433eSAndrew Lunn bool devlink_port_setup; 263aab9c406SFlorian Fainelli struct phylink *pl; 26444cc27e4SIoana Ciornei struct phylink_config pl_config; 265058102a6STobias Waldekranz struct net_device *lag_dev; 266058102a6STobias Waldekranz bool lag_tx_enabled; 26718596f50SGeorge McCollister struct net_device *hsr_dev; 26897a69a0dSVladimir Oltean 269ab8ccae1SVivien Didelot struct list_head list; 270ab8ccae1SVivien Didelot 27167dbb9d4SFlorian Fainelli /* 272c362beb0SVladimir Oltean * Give the switch driver somewhere to hang its per-port private data 273c362beb0SVladimir Oltean * structures (accessible from the tagger). 274c362beb0SVladimir Oltean */ 275c362beb0SVladimir Oltean void *priv; 276c362beb0SVladimir Oltean 277c362beb0SVladimir Oltean /* 27867dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 27967dbb9d4SFlorian Fainelli */ 28067dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 281da7b9e9bSFlorian Fainelli 282da7b9e9bSFlorian Fainelli /* 283da7b9e9bSFlorian Fainelli * Original copy of the master netdev net_device_ops 284da7b9e9bSFlorian Fainelli */ 2854cfab356SFlorian Fainelli const struct dsa_netdevice_ops *netdev_ops; 286fb35c60cSVivien Didelot 287161ca59dSVladimir Oltean /* List of MAC addresses that must be forwarded on this port. 288161ca59dSVladimir Oltean * These are only valid on CPU ports and DSA links. 289161ca59dSVladimir Oltean */ 2903f6e32f9SVladimir Oltean struct list_head fdbs; 291161ca59dSVladimir Oltean struct list_head mdbs; 292161ca59dSVladimir Oltean 293fb35c60cSVivien Didelot bool setup; 294c8b09808SAndrew Lunn }; 295c8b09808SAndrew Lunn 296c5f51765SVivien Didelot /* TODO: ideally DSA ports would have a single dp->link_dp member, 297c5f51765SVivien Didelot * and no dst->rtable nor this struct dsa_link would be needed, 298c5f51765SVivien Didelot * but this would require some more complex tree walking, 299c5f51765SVivien Didelot * so keep it stupid at the moment and list them all. 300c5f51765SVivien Didelot */ 301c5f51765SVivien Didelot struct dsa_link { 302c5f51765SVivien Didelot struct dsa_port *dp; 303c5f51765SVivien Didelot struct dsa_port *link_dp; 304c5f51765SVivien Didelot struct list_head list; 305c5f51765SVivien Didelot }; 306c5f51765SVivien Didelot 307161ca59dSVladimir Oltean struct dsa_mac_addr { 308161ca59dSVladimir Oltean unsigned char addr[ETH_ALEN]; 309161ca59dSVladimir Oltean u16 vid; 310161ca59dSVladimir Oltean refcount_t refcount; 311161ca59dSVladimir Oltean struct list_head list; 312161ca59dSVladimir Oltean }; 313161ca59dSVladimir Oltean 314c8f0b869SBen Hutchings struct dsa_switch { 315fb35c60cSVivien Didelot bool setup; 316fb35c60cSVivien Didelot 317c33063d6SAndrew Lunn struct device *dev; 318c33063d6SAndrew Lunn 319c8f0b869SBen Hutchings /* 320c8f0b869SBen Hutchings * Parent switch tree, and switch index. 321c8f0b869SBen Hutchings */ 322c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 32399feaafcSVivien Didelot unsigned int index; 324c8f0b869SBen Hutchings 325f515f192SVivien Didelot /* Listener for switch fabric events */ 326f515f192SVivien Didelot struct notifier_block nb; 327f515f192SVivien Didelot 328c8f0b869SBen Hutchings /* 3297543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 3307543a6d5SAndrew Lunn * structure. 3317543a6d5SAndrew Lunn */ 3327543a6d5SAndrew Lunn void *priv; 3337543a6d5SAndrew Lunn 3347543a6d5SAndrew Lunn /* 335c8f0b869SBen Hutchings * Configuration data for this switch. 336c8f0b869SBen Hutchings */ 337ff04955cSAndrew Lunn struct dsa_chip_data *cd; 338c8f0b869SBen Hutchings 339c8f0b869SBen Hutchings /* 3409d490b4eSVivien Didelot * The switch operations. 341c8f0b869SBen Hutchings */ 342a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 343c8f0b869SBen Hutchings 34466472fc0SAndrew Lunn /* 345c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 346c8f0b869SBen Hutchings */ 3470d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 348c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 349a0c02161SVivien Didelot 3500f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 3510f3da6afSVivien Didelot unsigned int ageing_time_min; 3520f3da6afSVivien Didelot unsigned int ageing_time_max; 3530f3da6afSVivien Didelot 354d7b1fd52SVladimir Oltean /* Storage for drivers using tag_8021q */ 355d7b1fd52SVladimir Oltean struct dsa_8021q_context *tag_8021q_ctx; 356d7b1fd52SVladimir Oltean 35796567d5dSAndrew Lunn /* devlink used to represent this switch device */ 35896567d5dSAndrew Lunn struct devlink *devlink; 35996567d5dSAndrew Lunn 36055199df6SFlorian Fainelli /* Number of switch port queues */ 36155199df6SFlorian Fainelli unsigned int num_tx_queues; 36255199df6SFlorian Fainelli 3638f5d16f6SVladimir Oltean /* Disallow bridge core from requesting different VLAN awareness 3648f5d16f6SVladimir Oltean * settings on ports if not hardware-supported 3658f5d16f6SVladimir Oltean */ 3668f5d16f6SVladimir Oltean bool vlan_filtering_is_global; 3678f5d16f6SVladimir Oltean 36858adf9dcSVladimir Oltean /* Keep VLAN filtering enabled on ports not offloading any upper. */ 36958adf9dcSVladimir Oltean bool needs_standalone_vlan_filtering; 37058adf9dcSVladimir Oltean 37154a0ed0dSRussell King /* Pass .port_vlan_add and .port_vlan_del to drivers even for bridges 37254a0ed0dSRussell King * that have vlan_filtering=0. All drivers should ideally set this (and 37354a0ed0dSRussell King * then the option would get removed), but it is unknown whether this 37454a0ed0dSRussell King * would break things or not. 37554a0ed0dSRussell King */ 37654a0ed0dSRussell King bool configure_vlan_while_not_filtering; 37754a0ed0dSRussell King 3781dc0408cSFlorian Fainelli /* If the switch driver always programs the CPU port as egress tagged 3791dc0408cSFlorian Fainelli * despite the VLAN configuration indicating otherwise, then setting 3801dc0408cSFlorian Fainelli * @untag_bridge_pvid will force the DSA receive path to pop the bridge's 3811dc0408cSFlorian Fainelli * default_pvid VLAN tagged frames to offer a consistent behavior 3821dc0408cSFlorian Fainelli * between a vlan_filtering=0 and vlan_filtering=1 bridge device. 3831dc0408cSFlorian Fainelli */ 3841dc0408cSFlorian Fainelli bool untag_bridge_pvid; 3851dc0408cSFlorian Fainelli 386d5f19486SVladimir Oltean /* Let DSA manage the FDB entries towards the CPU, based on the 387d5f19486SVladimir Oltean * software bridge database. 388d5f19486SVladimir Oltean */ 389d5f19486SVladimir Oltean bool assisted_learning_on_cpu_port; 390d5f19486SVladimir Oltean 39114574676SVladimir Oltean /* In case vlan_filtering_is_global is set, the VLAN awareness state 39214574676SVladimir Oltean * should be retrieved from here and not from the per-port settings. 39314574676SVladimir Oltean */ 39414574676SVladimir Oltean bool vlan_filtering; 39514574676SVladimir Oltean 396787cac3fSVladimir Oltean /* MAC PCS does not provide link state change interrupt, and requires 397787cac3fSVladimir Oltean * polling. Flag passed on to PHYLINK. 398787cac3fSVladimir Oltean */ 399787cac3fSVladimir Oltean bool pcs_poll; 400787cac3fSVladimir Oltean 401bff33f7eSVladimir Oltean /* For switches that only have the MRU configurable. To ensure the 402bff33f7eSVladimir Oltean * configured MTU is not exceeded, normalization of MRU on all bridged 403bff33f7eSVladimir Oltean * interfaces is needed. 404bff33f7eSVladimir Oltean */ 405bff33f7eSVladimir Oltean bool mtu_enforcement_ingress; 406bff33f7eSVladimir Oltean 407058102a6STobias Waldekranz /* Drivers that benefit from having an ID associated with each 408058102a6STobias Waldekranz * offloaded LAG should set this to the maximum number of 409058102a6STobias Waldekranz * supported IDs. DSA will then maintain a mapping of _at 410058102a6STobias Waldekranz * least_ these many IDs, accessible to drivers via 411058102a6STobias Waldekranz * dsa_lag_id(). 412058102a6STobias Waldekranz */ 413058102a6STobias Waldekranz unsigned int num_lag_ids; 414058102a6STobias Waldekranz 415123abc06SVladimir Oltean /* Drivers that support bridge forwarding offload should set this to 416f5e165e7SVladimir Oltean * the maximum number of bridges spanning the same switch tree (or all 417f5e165e7SVladimir Oltean * trees, in the case of cross-tree bridging support) that can be 418f5e165e7SVladimir Oltean * offloaded. 419123abc06SVladimir Oltean */ 420123abc06SVladimir Oltean unsigned int num_fwd_offloading_bridges; 421123abc06SVladimir Oltean 422a0c02161SVivien Didelot size_t num_ports; 423c8f0b869SBen Hutchings }; 424c8f0b869SBen Hutchings 42568bb8ea8SVivien Didelot static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) 426c38c5a66SVivien Didelot { 427b96ddf25SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 428d607525bSVivien Didelot struct dsa_port *dp; 429b96ddf25SVivien Didelot 430b96ddf25SVivien Didelot list_for_each_entry(dp, &dst->ports, list) 431b96ddf25SVivien Didelot if (dp->ds == ds && dp->index == p) 432b96ddf25SVivien Didelot return dp; 433d607525bSVivien Didelot 434d607525bSVivien Didelot return NULL; 435c38c5a66SVivien Didelot } 436c38c5a66SVivien Didelot 437a8986681SVladimir Oltean static inline bool dsa_port_is_dsa(struct dsa_port *port) 438a8986681SVladimir Oltean { 439a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_DSA; 440a8986681SVladimir Oltean } 441a8986681SVladimir Oltean 442a8986681SVladimir Oltean static inline bool dsa_port_is_cpu(struct dsa_port *port) 443a8986681SVladimir Oltean { 444a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_CPU; 445a8986681SVladimir Oltean } 446a8986681SVladimir Oltean 447a8986681SVladimir Oltean static inline bool dsa_port_is_user(struct dsa_port *dp) 448a8986681SVladimir Oltean { 449a8986681SVladimir Oltean return dp->type == DSA_PORT_TYPE_USER; 450a8986681SVladimir Oltean } 451a8986681SVladimir Oltean 452a57d8c21SVladimir Oltean static inline bool dsa_port_is_unused(struct dsa_port *dp) 453a57d8c21SVladimir Oltean { 454a57d8c21SVladimir Oltean return dp->type == DSA_PORT_TYPE_UNUSED; 455a57d8c21SVladimir Oltean } 456a57d8c21SVladimir Oltean 457bff7b688SVivien Didelot static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) 458bff7b688SVivien Didelot { 459c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; 460bff7b688SVivien Didelot } 461bff7b688SVivien Didelot 462c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 463c8f0b869SBen Hutchings { 464c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; 465c8f0b869SBen Hutchings } 466c8f0b869SBen Hutchings 46760045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 46860045cbfSAndrew Lunn { 469c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; 47060045cbfSAndrew Lunn } 47160045cbfSAndrew Lunn 4722b3e9891SVivien Didelot static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) 4736cd456f3SVivien Didelot { 474c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; 4756cd456f3SVivien Didelot } 4766cd456f3SVivien Didelot 47782b31898SVladimir Oltean #define dsa_tree_for_each_user_port(_dp, _dst) \ 47882b31898SVladimir Oltean list_for_each_entry((_dp), &(_dst)->ports, list) \ 47982b31898SVladimir Oltean if (dsa_port_is_user((_dp))) 48082b31898SVladimir Oltean 48182b31898SVladimir Oltean #define dsa_switch_for_each_port(_dp, _ds) \ 48282b31898SVladimir Oltean list_for_each_entry((_dp), &(_ds)->dst->ports, list) \ 48382b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 48482b31898SVladimir Oltean 48582b31898SVladimir Oltean #define dsa_switch_for_each_port_safe(_dp, _next, _ds) \ 48682b31898SVladimir Oltean list_for_each_entry_safe((_dp), (_next), &(_ds)->dst->ports, list) \ 48782b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 48882b31898SVladimir Oltean 48982b31898SVladimir Oltean #define dsa_switch_for_each_port_continue_reverse(_dp, _ds) \ 49082b31898SVladimir Oltean list_for_each_entry_continue_reverse((_dp), &(_ds)->dst->ports, list) \ 49182b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 49282b31898SVladimir Oltean 49382b31898SVladimir Oltean #define dsa_switch_for_each_available_port(_dp, _ds) \ 49482b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 49582b31898SVladimir Oltean if (!dsa_port_is_unused((_dp))) 49682b31898SVladimir Oltean 49782b31898SVladimir Oltean #define dsa_switch_for_each_user_port(_dp, _ds) \ 49882b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 49982b31898SVladimir Oltean if (dsa_port_is_user((_dp))) 50082b31898SVladimir Oltean 50182b31898SVladimir Oltean #define dsa_switch_for_each_cpu_port(_dp, _ds) \ 50282b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 50382b31898SVladimir Oltean if (dsa_port_is_cpu((_dp))) 50482b31898SVladimir Oltean 50502bc6e54SVivien Didelot static inline u32 dsa_user_ports(struct dsa_switch *ds) 50602bc6e54SVivien Didelot { 507*d0004a02SVladimir Oltean struct dsa_port *dp; 508c38c5a66SVivien Didelot u32 mask = 0; 50902bc6e54SVivien Didelot 510*d0004a02SVladimir Oltean dsa_switch_for_each_user_port(dp, ds) 511*d0004a02SVladimir Oltean mask |= BIT(dp->index); 512c38c5a66SVivien Didelot 513c38c5a66SVivien Didelot return mask; 514c8652c83SVivien Didelot } 515c8652c83SVivien Didelot 516c5f51765SVivien Didelot /* Return the local port used to reach an arbitrary switch device */ 517c5f51765SVivien Didelot static inline unsigned int dsa_routing_port(struct dsa_switch *ds, int device) 518c5f51765SVivien Didelot { 519c5f51765SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 520c5f51765SVivien Didelot struct dsa_link *dl; 521c5f51765SVivien Didelot 522c5f51765SVivien Didelot list_for_each_entry(dl, &dst->rtable, list) 523c5f51765SVivien Didelot if (dl->dp->ds == ds && dl->link_dp->ds->index == device) 524c5f51765SVivien Didelot return dl->dp->index; 525c5f51765SVivien Didelot 526c5f51765SVivien Didelot return ds->num_ports; 527c5f51765SVivien Didelot } 528c5f51765SVivien Didelot 5293b8fac5dSVivien Didelot /* Return the local port used to reach an arbitrary switch port */ 5303b8fac5dSVivien Didelot static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, 5313b8fac5dSVivien Didelot int port) 5323b8fac5dSVivien Didelot { 5333b8fac5dSVivien Didelot if (device == ds->index) 5343b8fac5dSVivien Didelot return port; 5353b8fac5dSVivien Didelot else 536c5f51765SVivien Didelot return dsa_routing_port(ds, device); 5373b8fac5dSVivien Didelot } 5383b8fac5dSVivien Didelot 5393b8fac5dSVivien Didelot /* Return the local port used to reach the dedicated CPU port */ 54007073c79SVivien Didelot static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) 541c8f0b869SBen Hutchings { 54207073c79SVivien Didelot const struct dsa_port *dp = dsa_to_port(ds, port); 54307073c79SVivien Didelot const struct dsa_port *cpu_dp = dp->cpu_dp; 54407073c79SVivien Didelot 54507073c79SVivien Didelot if (!cpu_dp) 54607073c79SVivien Didelot return port; 547c8f0b869SBen Hutchings 5483b8fac5dSVivien Didelot return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); 549c8f0b869SBen Hutchings } 550c8f0b869SBen Hutchings 55163609c8fSVladimir Oltean /* Return true if this is the local port used to reach the CPU port */ 55263609c8fSVladimir Oltean static inline bool dsa_is_upstream_port(struct dsa_switch *ds, int port) 55363609c8fSVladimir Oltean { 55463609c8fSVladimir Oltean if (dsa_is_unused_port(ds, port)) 55563609c8fSVladimir Oltean return false; 55663609c8fSVladimir Oltean 55763609c8fSVladimir Oltean return port == dsa_upstream_port(ds, port); 55863609c8fSVladimir Oltean } 55963609c8fSVladimir Oltean 56063609c8fSVladimir Oltean /* Return true if @upstream_ds is an upstream switch of @downstream_ds, meaning 56163609c8fSVladimir Oltean * that the routing port from @downstream_ds to @upstream_ds is also the port 56263609c8fSVladimir Oltean * which @downstream_ds uses to reach its dedicated CPU. 56363609c8fSVladimir Oltean */ 56463609c8fSVladimir Oltean static inline bool dsa_switch_is_upstream_of(struct dsa_switch *upstream_ds, 56563609c8fSVladimir Oltean struct dsa_switch *downstream_ds) 56663609c8fSVladimir Oltean { 56763609c8fSVladimir Oltean int routing_port; 56863609c8fSVladimir Oltean 56963609c8fSVladimir Oltean if (upstream_ds == downstream_ds) 57063609c8fSVladimir Oltean return true; 57163609c8fSVladimir Oltean 57263609c8fSVladimir Oltean routing_port = dsa_routing_port(downstream_ds, upstream_ds->index); 57363609c8fSVladimir Oltean 57463609c8fSVladimir Oltean return dsa_is_upstream_port(downstream_ds, routing_port); 57563609c8fSVladimir Oltean } 57663609c8fSVladimir Oltean 577cf2d45f5SVladimir Oltean static inline bool dsa_port_is_vlan_filtering(const struct dsa_port *dp) 578cf2d45f5SVladimir Oltean { 579cf2d45f5SVladimir Oltean const struct dsa_switch *ds = dp->ds; 580cf2d45f5SVladimir Oltean 581cf2d45f5SVladimir Oltean if (ds->vlan_filtering_is_global) 582cf2d45f5SVladimir Oltean return ds->vlan_filtering; 583cf2d45f5SVladimir Oltean else 584cf2d45f5SVladimir Oltean return dp->vlan_filtering; 585cf2d45f5SVladimir Oltean } 586cf2d45f5SVladimir Oltean 587cc76ce9eSTobias Waldekranz static inline 588cc76ce9eSTobias Waldekranz struct net_device *dsa_port_to_bridge_port(const struct dsa_port *dp) 589cc76ce9eSTobias Waldekranz { 590cc76ce9eSTobias Waldekranz if (!dp->bridge_dev) 591cc76ce9eSTobias Waldekranz return NULL; 592cc76ce9eSTobias Waldekranz 593cc76ce9eSTobias Waldekranz if (dp->lag_dev) 594cc76ce9eSTobias Waldekranz return dp->lag_dev; 595cc76ce9eSTobias Waldekranz else if (dp->hsr_dev) 596cc76ce9eSTobias Waldekranz return dp->hsr_dev; 597cc76ce9eSTobias Waldekranz 598cc76ce9eSTobias Waldekranz return dp->slave; 599cc76ce9eSTobias Waldekranz } 600cc76ce9eSTobias Waldekranz 6012bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 6022bedde1aSArkadi Sharshevsky bool is_static, void *data); 6039d490b4eSVivien Didelot struct dsa_switch_ops { 60453da0ebaSVladimir Oltean /* 60553da0ebaSVladimir Oltean * Tagging protocol helpers called for the CPU ports and DSA links. 60653da0ebaSVladimir Oltean * @get_tag_protocol retrieves the initial tagging protocol and is 60753da0ebaSVladimir Oltean * mandatory. Switches which can operate using multiple tagging 60853da0ebaSVladimir Oltean * protocols should implement @change_tag_protocol and report in 60953da0ebaSVladimir Oltean * @get_tag_protocol the tagger in current use. 61053da0ebaSVladimir Oltean */ 6115ed4e3ebSFlorian Fainelli enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, 6124d776482SFlorian Fainelli int port, 6134d776482SFlorian Fainelli enum dsa_tag_protocol mprot); 61453da0ebaSVladimir Oltean int (*change_tag_protocol)(struct dsa_switch *ds, int port, 61553da0ebaSVladimir Oltean enum dsa_tag_protocol proto); 6167b314362SAndrew Lunn 617fd292c18SVladimir Oltean /* Optional switch-wide initialization and destruction methods */ 618c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 6195e3f847aSVladimir Oltean void (*teardown)(struct dsa_switch *ds); 620fd292c18SVladimir Oltean 621fd292c18SVladimir Oltean /* Per-port initialization and destruction methods. Mandatory if the 622fd292c18SVladimir Oltean * driver registers devlink port regions, optional otherwise. 623fd292c18SVladimir Oltean */ 624fd292c18SVladimir Oltean int (*port_setup)(struct dsa_switch *ds, int port); 625fd292c18SVladimir Oltean void (*port_teardown)(struct dsa_switch *ds, int port); 626fd292c18SVladimir Oltean 6276819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 628c8f0b869SBen Hutchings 629c8f0b869SBen Hutchings /* 630c8f0b869SBen Hutchings * Access to the switch's PHY registers. 631c8f0b869SBen Hutchings */ 632c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 633c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 634c8f0b869SBen Hutchings int regnum, u16 val); 635c8f0b869SBen Hutchings 636c8f0b869SBen Hutchings /* 637ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 638ec9436baSFlorian Fainelli */ 639ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 640ec9436baSFlorian Fainelli struct phy_device *phydev); 641ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 642ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 643ec9436baSFlorian Fainelli 644ec9436baSFlorian Fainelli /* 64511d8f3ddSFlorian Fainelli * PHYLINK integration 64611d8f3ddSFlorian Fainelli */ 64711d8f3ddSFlorian Fainelli void (*phylink_validate)(struct dsa_switch *ds, int port, 64811d8f3ddSFlorian Fainelli unsigned long *supported, 64911d8f3ddSFlorian Fainelli struct phylink_link_state *state); 65011d8f3ddSFlorian Fainelli int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, 65111d8f3ddSFlorian Fainelli struct phylink_link_state *state); 65211d8f3ddSFlorian Fainelli void (*phylink_mac_config)(struct dsa_switch *ds, int port, 65311d8f3ddSFlorian Fainelli unsigned int mode, 65411d8f3ddSFlorian Fainelli const struct phylink_link_state *state); 65511d8f3ddSFlorian Fainelli void (*phylink_mac_an_restart)(struct dsa_switch *ds, int port); 65611d8f3ddSFlorian Fainelli void (*phylink_mac_link_down)(struct dsa_switch *ds, int port, 65711d8f3ddSFlorian Fainelli unsigned int mode, 65811d8f3ddSFlorian Fainelli phy_interface_t interface); 65911d8f3ddSFlorian Fainelli void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, 66011d8f3ddSFlorian Fainelli unsigned int mode, 66111d8f3ddSFlorian Fainelli phy_interface_t interface, 6625b502a7bSRussell King struct phy_device *phydev, 6635b502a7bSRussell King int speed, int duplex, 6645b502a7bSRussell King bool tx_pause, bool rx_pause); 66511d8f3ddSFlorian Fainelli void (*phylink_fixed_state)(struct dsa_switch *ds, int port, 66611d8f3ddSFlorian Fainelli struct phylink_link_state *state); 66711d8f3ddSFlorian Fainelli /* 668c2ec5f2eSOleksij Rempel * Port statistics counters. 669c8f0b869SBen Hutchings */ 67089f09048SFlorian Fainelli void (*get_strings)(struct dsa_switch *ds, int port, 67189f09048SFlorian Fainelli u32 stringset, uint8_t *data); 672c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 673c8f0b869SBen Hutchings int port, uint64_t *data); 67489f09048SFlorian Fainelli int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); 675cf963573SFlorian Fainelli void (*get_ethtool_phy_stats)(struct dsa_switch *ds, 676cf963573SFlorian Fainelli int port, uint64_t *data); 677487d3855SAlvin Šipraga void (*get_eth_phy_stats)(struct dsa_switch *ds, int port, 678487d3855SAlvin Šipraga struct ethtool_eth_phy_stats *phy_stats); 679487d3855SAlvin Šipraga void (*get_eth_mac_stats)(struct dsa_switch *ds, int port, 680487d3855SAlvin Šipraga struct ethtool_eth_mac_stats *mac_stats); 681487d3855SAlvin Šipraga void (*get_eth_ctrl_stats)(struct dsa_switch *ds, int port, 682487d3855SAlvin Šipraga struct ethtool_eth_ctrl_stats *ctrl_stats); 683c2ec5f2eSOleksij Rempel void (*get_stats64)(struct dsa_switch *ds, int port, 684c2ec5f2eSOleksij Rempel struct rtnl_link_stats64 *s); 685a71acad9SOleksij Rempel void (*self_test)(struct dsa_switch *ds, int port, 686a71acad9SOleksij Rempel struct ethtool_test *etest, u64 *data); 68724462549SFlorian Fainelli 68824462549SFlorian Fainelli /* 68919e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 69019e57c4eSFlorian Fainelli */ 69119e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 69219e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 69319e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 69419e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 69519e57c4eSFlorian Fainelli 69619e57c4eSFlorian Fainelli /* 6970336369dSBrandon Streiff * ethtool timestamp info 6980336369dSBrandon Streiff */ 6990336369dSBrandon Streiff int (*get_ts_info)(struct dsa_switch *ds, int port, 7000336369dSBrandon Streiff struct ethtool_ts_info *ts); 7010336369dSBrandon Streiff 7020336369dSBrandon Streiff /* 70324462549SFlorian Fainelli * Suspend and resume 70424462549SFlorian Fainelli */ 70524462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 70624462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 707b2f2af21SFlorian Fainelli 708b2f2af21SFlorian Fainelli /* 709b2f2af21SFlorian Fainelli * Port enable/disable 710b2f2af21SFlorian Fainelli */ 711b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 712b2f2af21SFlorian Fainelli struct phy_device *phy); 71375104db0SAndrew Lunn void (*port_disable)(struct dsa_switch *ds, int port); 7147905288fSFlorian Fainelli 7157905288fSFlorian Fainelli /* 71608f50061SVivien Didelot * Port's MAC EEE settings 7177905288fSFlorian Fainelli */ 71808f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 7197905288fSFlorian Fainelli struct ethtool_eee *e); 72008f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 7217905288fSFlorian Fainelli struct ethtool_eee *e); 72251579c3fSGuenter Roeck 7236793abb4SGuenter Roeck /* EEPROM access */ 7246793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 7256793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 7266793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 7276793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 7286793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 7293d762a0fSGuenter Roeck 7303d762a0fSGuenter Roeck /* 7313d762a0fSGuenter Roeck * Register access. 7323d762a0fSGuenter Roeck */ 7333d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 7343d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 7353d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 736b73adef6SFlorian Fainelli 737b73adef6SFlorian Fainelli /* 738e358bef7SVladimir Oltean * Upper device tracking. 739e358bef7SVladimir Oltean */ 740e358bef7SVladimir Oltean int (*port_prechangeupper)(struct dsa_switch *ds, int port, 741e358bef7SVladimir Oltean struct netdev_notifier_changeupper_info *info); 742e358bef7SVladimir Oltean 743e358bef7SVladimir Oltean /* 744b73adef6SFlorian Fainelli * Bridge integration 745b73adef6SFlorian Fainelli */ 74634a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 74771327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 748a6692754SVivien Didelot struct net_device *bridge); 749f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 750f123f2fbSVivien Didelot struct net_device *bridge); 751123abc06SVladimir Oltean /* Called right after .port_bridge_join() */ 752123abc06SVladimir Oltean int (*port_bridge_tx_fwd_offload)(struct dsa_switch *ds, int port, 753123abc06SVladimir Oltean struct net_device *bridge, 754123abc06SVladimir Oltean int bridge_num); 755123abc06SVladimir Oltean /* Called right before .port_bridge_leave() */ 756123abc06SVladimir Oltean void (*port_bridge_tx_fwd_unoffload)(struct dsa_switch *ds, int port, 757123abc06SVladimir Oltean struct net_device *bridge, 758123abc06SVladimir Oltean int bridge_num); 75943c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 760b73adef6SFlorian Fainelli u8 state); 761732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 762a8b659e7SVladimir Oltean int (*port_pre_bridge_flags)(struct dsa_switch *ds, int port, 763a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 764a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 765a8b659e7SVladimir Oltean int (*port_bridge_flags)(struct dsa_switch *ds, int port, 766a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 767a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 7682a778e1bSVivien Didelot 7692a778e1bSVivien Didelot /* 77011149536SVivien Didelot * VLAN support 77111149536SVivien Didelot */ 772fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 77389153ed6SVladimir Oltean bool vlan_filtering, 77489153ed6SVladimir Oltean struct netlink_ext_ack *extack); 7751958d581SVladimir Oltean int (*port_vlan_add)(struct dsa_switch *ds, int port, 77631046a5fSVladimir Oltean const struct switchdev_obj_port_vlan *vlan, 77731046a5fSVladimir Oltean struct netlink_ext_ack *extack); 77876e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 77976e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 78011149536SVivien Didelot /* 7812a778e1bSVivien Didelot * Forwarding database 7822a778e1bSVivien Didelot */ 7831b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 7846c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 7852a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 7866c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 787ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 7882bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 7898df30255SVivien Didelot 7908df30255SVivien Didelot /* 7918df30255SVivien Didelot * Multicast database 7928df30255SVivien Didelot */ 793a52b2da7SVladimir Oltean int (*port_mdb_add)(struct dsa_switch *ds, int port, 7943709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 7958df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 7968df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 797bf9f2648SFlorian Fainelli /* 798bf9f2648SFlorian Fainelli * RXNFC 799bf9f2648SFlorian Fainelli */ 800bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 801bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 802bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 803bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 804f50f2127SFlorian Fainelli 805f50f2127SFlorian Fainelli /* 806f50f2127SFlorian Fainelli * TC integration 807f50f2127SFlorian Fainelli */ 808ed11bb1fSVladimir Oltean int (*cls_flower_add)(struct dsa_switch *ds, int port, 809ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 810ed11bb1fSVladimir Oltean int (*cls_flower_del)(struct dsa_switch *ds, int port, 811ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 812ed11bb1fSVladimir Oltean int (*cls_flower_stats)(struct dsa_switch *ds, int port, 813ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 814f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 815f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 816f50f2127SFlorian Fainelli bool ingress); 817f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 818f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 81934297176SVladimir Oltean int (*port_policer_add)(struct dsa_switch *ds, int port, 82034297176SVladimir Oltean struct dsa_mall_policer_tc_entry *policer); 82134297176SVladimir Oltean void (*port_policer_del)(struct dsa_switch *ds, int port); 82247d23af2SVladimir Oltean int (*port_setup_tc)(struct dsa_switch *ds, int port, 82347d23af2SVladimir Oltean enum tc_setup_type type, void *type_data); 82440ef2c93SVivien Didelot 82540ef2c93SVivien Didelot /* 82640ef2c93SVivien Didelot * Cross-chip operations 82740ef2c93SVivien Didelot */ 828f66a6a69SVladimir Oltean int (*crosschip_bridge_join)(struct dsa_switch *ds, int tree_index, 829f66a6a69SVladimir Oltean int sw_index, int port, 830f66a6a69SVladimir Oltean struct net_device *br); 831f66a6a69SVladimir Oltean void (*crosschip_bridge_leave)(struct dsa_switch *ds, int tree_index, 832f66a6a69SVladimir Oltean int sw_index, int port, 833f66a6a69SVladimir Oltean struct net_device *br); 834058102a6STobias Waldekranz int (*crosschip_lag_change)(struct dsa_switch *ds, int sw_index, 835058102a6STobias Waldekranz int port); 836058102a6STobias Waldekranz int (*crosschip_lag_join)(struct dsa_switch *ds, int sw_index, 837058102a6STobias Waldekranz int port, struct net_device *lag, 838058102a6STobias Waldekranz struct netdev_lag_upper_info *info); 839058102a6STobias Waldekranz int (*crosschip_lag_leave)(struct dsa_switch *ds, int sw_index, 840058102a6STobias Waldekranz int port, struct net_device *lag); 8410336369dSBrandon Streiff 8420336369dSBrandon Streiff /* 8430336369dSBrandon Streiff * PTP functionality 8440336369dSBrandon Streiff */ 8450336369dSBrandon Streiff int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, 8460336369dSBrandon Streiff struct ifreq *ifr); 8470336369dSBrandon Streiff int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, 8480336369dSBrandon Streiff struct ifreq *ifr); 8495c5416f5SYangbo Lu void (*port_txtstamp)(struct dsa_switch *ds, int port, 8505c5416f5SYangbo Lu struct sk_buff *skb); 85190af1059SBrandon Streiff bool (*port_rxtstamp)(struct dsa_switch *ds, int port, 85290af1059SBrandon Streiff struct sk_buff *skb, unsigned int type); 85397a69a0dSVladimir Oltean 8540f06b855SAndrew Lunn /* Devlink parameters, etc */ 8556b297524SAndrew Lunn int (*devlink_param_get)(struct dsa_switch *ds, u32 id, 8566b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 8576b297524SAndrew Lunn int (*devlink_param_set)(struct dsa_switch *ds, u32 id, 8586b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 8590f06b855SAndrew Lunn int (*devlink_info_get)(struct dsa_switch *ds, 8600f06b855SAndrew Lunn struct devlink_info_req *req, 8610f06b855SAndrew Lunn struct netlink_ext_ack *extack); 8622a6ef763SVladimir Oltean int (*devlink_sb_pool_get)(struct dsa_switch *ds, 8632a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8642a6ef763SVladimir Oltean struct devlink_sb_pool_info *pool_info); 8652a6ef763SVladimir Oltean int (*devlink_sb_pool_set)(struct dsa_switch *ds, unsigned int sb_index, 8662a6ef763SVladimir Oltean u16 pool_index, u32 size, 8672a6ef763SVladimir Oltean enum devlink_sb_threshold_type threshold_type, 8682a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 8692a6ef763SVladimir Oltean int (*devlink_sb_port_pool_get)(struct dsa_switch *ds, int port, 8702a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8712a6ef763SVladimir Oltean u32 *p_threshold); 8722a6ef763SVladimir Oltean int (*devlink_sb_port_pool_set)(struct dsa_switch *ds, int port, 8732a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8742a6ef763SVladimir Oltean u32 threshold, 8752a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 8762a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_get)(struct dsa_switch *ds, int port, 8772a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 8782a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 8792a6ef763SVladimir Oltean u16 *p_pool_index, u32 *p_threshold); 8802a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_set)(struct dsa_switch *ds, int port, 8812a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 8822a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 8832a6ef763SVladimir Oltean u16 pool_index, u32 threshold, 8842a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 8852a6ef763SVladimir Oltean int (*devlink_sb_occ_snapshot)(struct dsa_switch *ds, 8862a6ef763SVladimir Oltean unsigned int sb_index); 8872a6ef763SVladimir Oltean int (*devlink_sb_occ_max_clear)(struct dsa_switch *ds, 8882a6ef763SVladimir Oltean unsigned int sb_index); 8892a6ef763SVladimir Oltean int (*devlink_sb_occ_port_pool_get)(struct dsa_switch *ds, int port, 8902a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8912a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 8922a6ef763SVladimir Oltean int (*devlink_sb_occ_tc_port_bind_get)(struct dsa_switch *ds, int port, 8932a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 8942a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 8952a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 896bfcb8132SVladimir Oltean 897bfcb8132SVladimir Oltean /* 898bfcb8132SVladimir Oltean * MTU change functionality. Switches can also adjust their MRU through 899bfcb8132SVladimir Oltean * this method. By MTU, one understands the SDU (L2 payload) length. 900bfcb8132SVladimir Oltean * If the switch needs to account for the DSA tag on the CPU port, this 901ab88d64aSRandy Dunlap * method needs to do so privately. 902bfcb8132SVladimir Oltean */ 903bfcb8132SVladimir Oltean int (*port_change_mtu)(struct dsa_switch *ds, int port, 904bfcb8132SVladimir Oltean int new_mtu); 905bfcb8132SVladimir Oltean int (*port_max_mtu)(struct dsa_switch *ds, int port); 906058102a6STobias Waldekranz 907058102a6STobias Waldekranz /* 908058102a6STobias Waldekranz * LAG integration 909058102a6STobias Waldekranz */ 910058102a6STobias Waldekranz int (*port_lag_change)(struct dsa_switch *ds, int port); 911058102a6STobias Waldekranz int (*port_lag_join)(struct dsa_switch *ds, int port, 912058102a6STobias Waldekranz struct net_device *lag, 913058102a6STobias Waldekranz struct netdev_lag_upper_info *info); 914058102a6STobias Waldekranz int (*port_lag_leave)(struct dsa_switch *ds, int port, 915058102a6STobias Waldekranz struct net_device *lag); 91618596f50SGeorge McCollister 91718596f50SGeorge McCollister /* 91818596f50SGeorge McCollister * HSR integration 91918596f50SGeorge McCollister */ 92018596f50SGeorge McCollister int (*port_hsr_join)(struct dsa_switch *ds, int port, 92118596f50SGeorge McCollister struct net_device *hsr); 92218596f50SGeorge McCollister int (*port_hsr_leave)(struct dsa_switch *ds, int port, 92318596f50SGeorge McCollister struct net_device *hsr); 924c595c433SHoratiu Vultur 925c595c433SHoratiu Vultur /* 926c595c433SHoratiu Vultur * MRP integration 927c595c433SHoratiu Vultur */ 928c595c433SHoratiu Vultur int (*port_mrp_add)(struct dsa_switch *ds, int port, 929c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 930c595c433SHoratiu Vultur int (*port_mrp_del)(struct dsa_switch *ds, int port, 931c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 932c595c433SHoratiu Vultur int (*port_mrp_add_ring_role)(struct dsa_switch *ds, int port, 933c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 934c595c433SHoratiu Vultur int (*port_mrp_del_ring_role)(struct dsa_switch *ds, int port, 935c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 9365da11eb4SVladimir Oltean 9375da11eb4SVladimir Oltean /* 9385da11eb4SVladimir Oltean * tag_8021q operations 9395da11eb4SVladimir Oltean */ 9405da11eb4SVladimir Oltean int (*tag_8021q_vlan_add)(struct dsa_switch *ds, int port, u16 vid, 9415da11eb4SVladimir Oltean u16 flags); 9425da11eb4SVladimir Oltean int (*tag_8021q_vlan_del)(struct dsa_switch *ds, int port, u16 vid); 9436b297524SAndrew Lunn }; 9446b297524SAndrew Lunn 9456b297524SAndrew Lunn #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ 9466b297524SAndrew Lunn DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, \ 9476b297524SAndrew Lunn dsa_devlink_param_get, dsa_devlink_param_set, NULL) 9486b297524SAndrew Lunn 9496b297524SAndrew Lunn int dsa_devlink_param_get(struct devlink *dl, u32 id, 9506b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 9516b297524SAndrew Lunn int dsa_devlink_param_set(struct devlink *dl, u32 id, 9526b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 9536b297524SAndrew Lunn int dsa_devlink_params_register(struct dsa_switch *ds, 9546b297524SAndrew Lunn const struct devlink_param *params, 9556b297524SAndrew Lunn size_t params_count); 9566b297524SAndrew Lunn void dsa_devlink_params_unregister(struct dsa_switch *ds, 9576b297524SAndrew Lunn const struct devlink_param *params, 9586b297524SAndrew Lunn size_t params_count); 9595cd73fbdSAndrew Lunn int dsa_devlink_resource_register(struct dsa_switch *ds, 9605cd73fbdSAndrew Lunn const char *resource_name, 9615cd73fbdSAndrew Lunn u64 resource_size, 9625cd73fbdSAndrew Lunn u64 resource_id, 9635cd73fbdSAndrew Lunn u64 parent_resource_id, 9645cd73fbdSAndrew Lunn const struct devlink_resource_size_params *size_params); 9655cd73fbdSAndrew Lunn 9665cd73fbdSAndrew Lunn void dsa_devlink_resources_unregister(struct dsa_switch *ds); 9675cd73fbdSAndrew Lunn 9685cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds, 9695cd73fbdSAndrew Lunn u64 resource_id, 9705cd73fbdSAndrew Lunn devlink_resource_occ_get_t *occ_get, 9715cd73fbdSAndrew Lunn void *occ_get_priv); 9725cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds, 9735cd73fbdSAndrew Lunn u64 resource_id); 97497c82c23SAndrew Lunn struct devlink_region * 97597c82c23SAndrew Lunn dsa_devlink_region_create(struct dsa_switch *ds, 97697c82c23SAndrew Lunn const struct devlink_region_ops *ops, 97797c82c23SAndrew Lunn u32 region_max_snapshots, u64 region_size); 97808156ba4SAndrew Lunn struct devlink_region * 97908156ba4SAndrew Lunn dsa_devlink_port_region_create(struct dsa_switch *ds, 98008156ba4SAndrew Lunn int port, 98108156ba4SAndrew Lunn const struct devlink_port_region_ops *ops, 98208156ba4SAndrew Lunn u32 region_max_snapshots, u64 region_size); 98397c82c23SAndrew Lunn void dsa_devlink_region_destroy(struct devlink_region *region); 98497c82c23SAndrew Lunn 985e1eea811SVladimir Oltean struct dsa_port *dsa_port_from_netdev(struct net_device *netdev); 9865cd73fbdSAndrew Lunn 9876b297524SAndrew Lunn struct dsa_devlink_priv { 9886b297524SAndrew Lunn struct dsa_switch *ds; 989c8f0b869SBen Hutchings }; 990c8f0b869SBen Hutchings 991ccc3e6b0SAndrew Lunn static inline struct dsa_switch *dsa_devlink_to_ds(struct devlink *dl) 992ccc3e6b0SAndrew Lunn { 993ccc3e6b0SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 994ccc3e6b0SAndrew Lunn 995ccc3e6b0SAndrew Lunn return dl_priv->ds; 996ccc3e6b0SAndrew Lunn } 997ccc3e6b0SAndrew Lunn 9987d1e2a10SAndrew Lunn static inline 9997d1e2a10SAndrew Lunn struct dsa_switch *dsa_devlink_port_to_ds(struct devlink_port *port) 10007d1e2a10SAndrew Lunn { 10017d1e2a10SAndrew Lunn struct devlink *dl = port->devlink; 10027d1e2a10SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 10037d1e2a10SAndrew Lunn 10047d1e2a10SAndrew Lunn return dl_priv->ds; 10057d1e2a10SAndrew Lunn } 10067d1e2a10SAndrew Lunn 10077d1e2a10SAndrew Lunn static inline int dsa_devlink_port_to_port(struct devlink_port *port) 10087d1e2a10SAndrew Lunn { 10097d1e2a10SAndrew Lunn return port->index; 10107d1e2a10SAndrew Lunn } 10117d1e2a10SAndrew Lunn 1012ab3d408dSFlorian Fainelli struct dsa_switch_driver { 1013ab3d408dSFlorian Fainelli struct list_head list; 1014a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 1015ab3d408dSFlorian Fainelli }; 1016ab3d408dSFlorian Fainelli 101714b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 1018c8f0b869SBen Hutchings 101973a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 10209eb8eff0SVladimir Oltean static inline bool netdev_uses_dsa(const struct net_device *dev) 1021c6e970a0SAndrew Lunn { 1022c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 1023717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 1024c6e970a0SAndrew Lunn #endif 1025c6e970a0SAndrew Lunn return false; 1026c6e970a0SAndrew Lunn } 1027c6e970a0SAndrew Lunn 10289790cf20SVladimir Oltean /* All DSA tags that push the EtherType to the right (basically all except tail 10299790cf20SVladimir Oltean * tags, which don't break dissection) can be treated the same from the 10309790cf20SVladimir Oltean * perspective of the flow dissector. 10319790cf20SVladimir Oltean * 10329790cf20SVladimir Oltean * We need to return: 10339790cf20SVladimir Oltean * - offset: the (B - A) difference between: 10349790cf20SVladimir Oltean * A. the position of the real EtherType and 10359790cf20SVladimir Oltean * B. the current skb->data (aka ETH_HLEN bytes into the frame, aka 2 bytes 10369790cf20SVladimir Oltean * after the normal EtherType was supposed to be) 10379790cf20SVladimir Oltean * The offset in bytes is exactly equal to the tagger overhead (and half of 10389790cf20SVladimir Oltean * that, in __be16 shorts). 10399790cf20SVladimir Oltean * 10409790cf20SVladimir Oltean * - proto: the value of the real EtherType. 10419790cf20SVladimir Oltean */ 10429790cf20SVladimir Oltean static inline void dsa_tag_generic_flow_dissect(const struct sk_buff *skb, 10439790cf20SVladimir Oltean __be16 *proto, int *offset) 10449790cf20SVladimir Oltean { 10459790cf20SVladimir Oltean #if IS_ENABLED(CONFIG_NET_DSA) 10469790cf20SVladimir Oltean const struct dsa_device_ops *ops = skb->dev->dsa_ptr->tag_ops; 10474e500251SVladimir Oltean int tag_len = ops->needed_headroom; 10489790cf20SVladimir Oltean 10499790cf20SVladimir Oltean *offset = tag_len; 10509790cf20SVladimir Oltean *proto = ((__be16 *)skb->data)[(tag_len / 2) - 1]; 10519790cf20SVladimir Oltean #endif 10529790cf20SVladimir Oltean } 10539790cf20SVladimir Oltean 10544cfab356SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 10554cfab356SFlorian Fainelli static inline int __dsa_netdevice_ops_check(struct net_device *dev) 10564cfab356SFlorian Fainelli { 10574cfab356SFlorian Fainelli int err = -EOPNOTSUPP; 10584cfab356SFlorian Fainelli 10594cfab356SFlorian Fainelli if (!dev->dsa_ptr) 10604cfab356SFlorian Fainelli return err; 10614cfab356SFlorian Fainelli 10624cfab356SFlorian Fainelli if (!dev->dsa_ptr->netdev_ops) 10634cfab356SFlorian Fainelli return err; 10644cfab356SFlorian Fainelli 10654cfab356SFlorian Fainelli return 0; 10664cfab356SFlorian Fainelli } 10674cfab356SFlorian Fainelli 1068a7605370SArnd Bergmann static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, 10694cfab356SFlorian Fainelli int cmd) 10704cfab356SFlorian Fainelli { 10714cfab356SFlorian Fainelli const struct dsa_netdevice_ops *ops; 10724cfab356SFlorian Fainelli int err; 10734cfab356SFlorian Fainelli 10744cfab356SFlorian Fainelli err = __dsa_netdevice_ops_check(dev); 10754cfab356SFlorian Fainelli if (err) 10764cfab356SFlorian Fainelli return err; 10774cfab356SFlorian Fainelli 10784cfab356SFlorian Fainelli ops = dev->dsa_ptr->netdev_ops; 10794cfab356SFlorian Fainelli 1080a7605370SArnd Bergmann return ops->ndo_eth_ioctl(dev, ifr, cmd); 10814cfab356SFlorian Fainelli } 10824cfab356SFlorian Fainelli #else 1083a7605370SArnd Bergmann static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, 10844cfab356SFlorian Fainelli int cmd) 10854cfab356SFlorian Fainelli { 10864cfab356SFlorian Fainelli return -EOPNOTSUPP; 10874cfab356SFlorian Fainelli } 10884cfab356SFlorian Fainelli #endif 10894cfab356SFlorian Fainelli 109083c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 109123c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 10920650bf52SVladimir Oltean void dsa_switch_shutdown(struct dsa_switch *ds); 10933b7bc1f0SVladimir Oltean struct dsa_switch *dsa_switch_find(int tree_index, int sw_index); 1094ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 1095ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 1096ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 1097ea825e70SFlorian Fainelli #else 1098ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 1099ea825e70SFlorian Fainelli { 1100ea825e70SFlorian Fainelli return 0; 1101ea825e70SFlorian Fainelli } 1102ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 1103ea825e70SFlorian Fainelli { 1104ea825e70SFlorian Fainelli return 0; 1105ea825e70SFlorian Fainelli } 1106ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 1107ea825e70SFlorian Fainelli 110860724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 1109a5e3c9baSVladimir Oltean bool dsa_slave_dev_check(const struct net_device *dev); 111060724d4bSFlorian Fainelli #else 1111a5e3c9baSVladimir Oltean static inline bool dsa_slave_dev_check(const struct net_device *dev) 1112a5e3c9baSVladimir Oltean { 1113a5e3c9baSVladimir Oltean return false; 1114a5e3c9baSVladimir Oltean } 111560724d4bSFlorian Fainelli #endif 111660724d4bSFlorian Fainelli 111797a69a0dSVladimir Oltean netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev); 1118cf963573SFlorian Fainelli int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data); 1119cf963573SFlorian Fainelli int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); 1120cf963573SFlorian Fainelli int dsa_port_get_phy_sset_count(struct dsa_port *dp); 112111d8f3ddSFlorian Fainelli void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); 1122cf963573SFlorian Fainelli 1123d3b8c049SAndrew Lunn struct dsa_tag_driver { 1124d3b8c049SAndrew Lunn const struct dsa_device_ops *ops; 1125d3b8c049SAndrew Lunn struct list_head list; 1126d3b8c049SAndrew Lunn struct module *owner; 1127d3b8c049SAndrew Lunn }; 1128d3b8c049SAndrew Lunn 1129d3b8c049SAndrew Lunn void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[], 1130d3b8c049SAndrew Lunn unsigned int count, 1131d3b8c049SAndrew Lunn struct module *owner); 1132d3b8c049SAndrew Lunn void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[], 1133d3b8c049SAndrew Lunn unsigned int count); 1134d3b8c049SAndrew Lunn 1135d3b8c049SAndrew Lunn #define dsa_tag_driver_module_drivers(__dsa_tag_drivers_array, __count) \ 1136d3b8c049SAndrew Lunn static int __init dsa_tag_driver_module_init(void) \ 1137d3b8c049SAndrew Lunn { \ 1138d3b8c049SAndrew Lunn dsa_tag_drivers_register(__dsa_tag_drivers_array, __count, \ 1139d3b8c049SAndrew Lunn THIS_MODULE); \ 1140d3b8c049SAndrew Lunn return 0; \ 1141d3b8c049SAndrew Lunn } \ 1142d3b8c049SAndrew Lunn module_init(dsa_tag_driver_module_init); \ 1143d3b8c049SAndrew Lunn \ 1144d3b8c049SAndrew Lunn static void __exit dsa_tag_driver_module_exit(void) \ 1145d3b8c049SAndrew Lunn { \ 1146d3b8c049SAndrew Lunn dsa_tag_drivers_unregister(__dsa_tag_drivers_array, __count); \ 1147d3b8c049SAndrew Lunn } \ 1148d3b8c049SAndrew Lunn module_exit(dsa_tag_driver_module_exit) 1149d3b8c049SAndrew Lunn 1150d3b8c049SAndrew Lunn /** 1151d3b8c049SAndrew Lunn * module_dsa_tag_drivers() - Helper macro for registering DSA tag 1152d3b8c049SAndrew Lunn * drivers 1153d3b8c049SAndrew Lunn * @__ops_array: Array of tag driver strucutres 1154d3b8c049SAndrew Lunn * 1155d3b8c049SAndrew Lunn * Helper macro for DSA tag drivers which do not do anything special 1156d3b8c049SAndrew Lunn * in module init/exit. Each module may only use this macro once, and 1157d3b8c049SAndrew Lunn * calling it replaces module_init() and module_exit(). 1158d3b8c049SAndrew Lunn */ 1159d3b8c049SAndrew Lunn #define module_dsa_tag_drivers(__ops_array) \ 1160d3b8c049SAndrew Lunn dsa_tag_driver_module_drivers(__ops_array, ARRAY_SIZE(__ops_array)) 1161d3b8c049SAndrew Lunn 1162d3b8c049SAndrew Lunn #define DSA_TAG_DRIVER_NAME(__ops) dsa_tag_driver ## _ ## __ops 1163d3b8c049SAndrew Lunn 1164d3b8c049SAndrew Lunn /* Create a static structure we can build a linked list of dsa_tag 1165d3b8c049SAndrew Lunn * drivers 1166d3b8c049SAndrew Lunn */ 1167d3b8c049SAndrew Lunn #define DSA_TAG_DRIVER(__ops) \ 1168d3b8c049SAndrew Lunn static struct dsa_tag_driver DSA_TAG_DRIVER_NAME(__ops) = { \ 1169d3b8c049SAndrew Lunn .ops = &__ops, \ 1170d3b8c049SAndrew Lunn } 1171d3b8c049SAndrew Lunn 1172d3b8c049SAndrew Lunn /** 1173d3b8c049SAndrew Lunn * module_dsa_tag_driver() - Helper macro for registering a single DSA tag 1174d3b8c049SAndrew Lunn * driver 1175d3b8c049SAndrew Lunn * @__ops: Single tag driver structures 1176d3b8c049SAndrew Lunn * 1177d3b8c049SAndrew Lunn * Helper macro for DSA tag drivers which do not do anything special 1178d3b8c049SAndrew Lunn * in module init/exit. Each module may only use this macro once, and 1179d3b8c049SAndrew Lunn * calling it replaces module_init() and module_exit(). 1180d3b8c049SAndrew Lunn */ 1181d3b8c049SAndrew Lunn #define module_dsa_tag_driver(__ops) \ 1182d3b8c049SAndrew Lunn DSA_TAG_DRIVER(__ops); \ 1183d3b8c049SAndrew Lunn \ 1184d3b8c049SAndrew Lunn static struct dsa_tag_driver *dsa_tag_driver_array[] = { \ 1185d3b8c049SAndrew Lunn &DSA_TAG_DRIVER_NAME(__ops) \ 1186d3b8c049SAndrew Lunn }; \ 1187d3b8c049SAndrew Lunn module_dsa_tag_drivers(dsa_tag_driver_array) 118891da11f8SLennert Buytenhek #endif 1189d3b8c049SAndrew Lunn 1190