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 540b42f033SAndrew Lunn 55ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 560b42f033SAndrew Lunn DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, 570b42f033SAndrew Lunn DSA_TAG_PROTO_BRCM = DSA_TAG_PROTO_BRCM_VALUE, 58964dbf18SÁlvaro Fernández Rojas DSA_TAG_PROTO_BRCM_LEGACY = DSA_TAG_PROTO_BRCM_LEGACY_VALUE, 590b42f033SAndrew Lunn DSA_TAG_PROTO_BRCM_PREPEND = DSA_TAG_PROTO_BRCM_PREPEND_VALUE, 600b42f033SAndrew Lunn DSA_TAG_PROTO_DSA = DSA_TAG_PROTO_DSA_VALUE, 610b42f033SAndrew Lunn DSA_TAG_PROTO_EDSA = DSA_TAG_PROTO_EDSA_VALUE, 620b42f033SAndrew Lunn DSA_TAG_PROTO_GSWIP = DSA_TAG_PROTO_GSWIP_VALUE, 630b42f033SAndrew Lunn DSA_TAG_PROTO_KSZ9477 = DSA_TAG_PROTO_KSZ9477_VALUE, 640b42f033SAndrew Lunn DSA_TAG_PROTO_KSZ9893 = DSA_TAG_PROTO_KSZ9893_VALUE, 650b42f033SAndrew Lunn DSA_TAG_PROTO_LAN9303 = DSA_TAG_PROTO_LAN9303_VALUE, 660b42f033SAndrew Lunn DSA_TAG_PROTO_MTK = DSA_TAG_PROTO_MTK_VALUE, 670b42f033SAndrew Lunn DSA_TAG_PROTO_QCA = DSA_TAG_PROTO_QCA_VALUE, 680b42f033SAndrew Lunn DSA_TAG_PROTO_TRAILER = DSA_TAG_PROTO_TRAILER_VALUE, 69f9bbe447SVladimir Oltean DSA_TAG_PROTO_8021Q = DSA_TAG_PROTO_8021Q_VALUE, 70227d07a0SVladimir Oltean DSA_TAG_PROTO_SJA1105 = DSA_TAG_PROTO_SJA1105_VALUE, 71016e43a2STristram Ha DSA_TAG_PROTO_KSZ8795 = DSA_TAG_PROTO_KSZ8795_VALUE, 728dce89aaSVladimir Oltean DSA_TAG_PROTO_OCELOT = DSA_TAG_PROTO_OCELOT_VALUE, 7348fda74fSOleksij Rempel DSA_TAG_PROTO_AR9331 = DSA_TAG_PROTO_AR9331_VALUE, 74efd7fe68SLinus Walleij DSA_TAG_PROTO_RTL4_A = DSA_TAG_PROTO_RTL4_A_VALUE, 7501ef09caSKurt Kanzenbach DSA_TAG_PROTO_HELLCREEK = DSA_TAG_PROTO_HELLCREEK_VALUE, 7654a52823SGeorge McCollister DSA_TAG_PROTO_XRS700X = DSA_TAG_PROTO_XRS700X_VALUE, 777c83a7c5SVladimir Oltean DSA_TAG_PROTO_OCELOT_8021Q = DSA_TAG_PROTO_OCELOT_8021Q_VALUE, 787c4bb540SVladimir Oltean DSA_TAG_PROTO_SEVILLE = DSA_TAG_PROTO_SEVILLE_VALUE, 794913b8ebSVladimir Oltean DSA_TAG_PROTO_SJA1110 = DSA_TAG_PROTO_SJA1110_VALUE, 80ac7a04c3SFlorian Fainelli }; 815037d532SFlorian Fainelli 825075314eSAlexander Duyck struct packet_type; 8390af1059SBrandon Streiff struct dsa_switch; 843e8a72d1SFlorian Fainelli 8568277a2cSJohn Crispin struct dsa_device_ops { 8668277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 8768277a2cSJohn Crispin struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 8889e49506SFlorian Westphal struct packet_type *pt); 892e8cb1b3SVladimir Oltean void (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 90598a9680SJohn Crispin int *offset); 91cc1939e4SVladimir Oltean /* Used to determine which traffic should match the DSA filter in 92cc1939e4SVladimir Oltean * eth_type_trans, and which, if any, should bypass it and be processed 93cc1939e4SVladimir Oltean * as regular on the master net device. 94cc1939e4SVladimir Oltean */ 95cc1939e4SVladimir Oltean bool (*filter)(const struct sk_buff *skb, struct net_device *dev); 964e500251SVladimir Oltean unsigned int needed_headroom; 974e500251SVladimir Oltean unsigned int needed_tailroom; 98875138f8SAndrew Lunn const char *name; 99056eed2fSAndrew Lunn enum dsa_tag_protocol proto; 100c3975400SVladimir Oltean /* Some tagging protocols either mangle or shift the destination MAC 101c3975400SVladimir Oltean * address, in which case the DSA master would drop packets on ingress 102c3975400SVladimir Oltean * if what it understands out of the destination MAC address is not in 103c3975400SVladimir Oltean * its RX filter. 104c3975400SVladimir Oltean */ 105c3975400SVladimir Oltean bool promisc_on_master; 10668277a2cSJohn Crispin }; 10768277a2cSJohn Crispin 1084cfab356SFlorian Fainelli /* This structure defines the control interfaces that are overlayed by the 1094cfab356SFlorian Fainelli * DSA layer on top of the DSA CPU/management net_device instance. This is 1104cfab356SFlorian Fainelli * used by the core net_device layer while calling various net_device_ops 1114cfab356SFlorian Fainelli * function pointers. 1124cfab356SFlorian Fainelli */ 1134cfab356SFlorian Fainelli struct dsa_netdevice_ops { 1144cfab356SFlorian Fainelli int (*ndo_do_ioctl)(struct net_device *dev, struct ifreq *ifr, 1154cfab356SFlorian Fainelli int cmd); 1164cfab356SFlorian Fainelli }; 1174cfab356SFlorian Fainelli 1180b42f033SAndrew Lunn #define DSA_TAG_DRIVER_ALIAS "dsa_tag-" 1190b42f033SAndrew Lunn #define MODULE_ALIAS_DSA_TAG_DRIVER(__proto) \ 1200b42f033SAndrew Lunn MODULE_ALIAS(DSA_TAG_DRIVER_ALIAS __stringify(__proto##_VALUE)) 1210b42f033SAndrew Lunn 122cf50dcc2SBen Hutchings struct dsa_switch_tree { 12383c0afaeSAndrew Lunn struct list_head list; 12483c0afaeSAndrew Lunn 125f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 126f515f192SVivien Didelot struct raw_notifier_head nh; 127f515f192SVivien Didelot 12883c0afaeSAndrew Lunn /* Tree identifier */ 12949463b7fSVivien Didelot unsigned int index; 13083c0afaeSAndrew Lunn 13183c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 13283c0afaeSAndrew Lunn struct kref refcount; 13383c0afaeSAndrew Lunn 13483c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 135ec15dd42SVivien Didelot bool setup; 13683c0afaeSAndrew Lunn 137357f203bSVladimir Oltean /* Tagging protocol operations */ 138357f203bSVladimir Oltean const struct dsa_device_ops *tag_ops; 139357f203bSVladimir Oltean 140deff7107STobias Waldekranz /* Default tagging protocol preferred by the switches in this 141deff7107STobias Waldekranz * tree. 142deff7107STobias Waldekranz */ 143deff7107STobias Waldekranz enum dsa_tag_protocol default_proto; 144deff7107STobias Waldekranz 145cf50dcc2SBen Hutchings /* 146cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 147cf50dcc2SBen Hutchings * this dsa switch tree instance. 148cf50dcc2SBen Hutchings */ 149cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 150cf85d08fSLennert Buytenhek 151ab8ccae1SVivien Didelot /* List of switch ports */ 152ab8ccae1SVivien Didelot struct list_head ports; 153ab8ccae1SVivien Didelot 154c5f51765SVivien Didelot /* List of DSA links composing the routing table */ 155c5f51765SVivien Didelot struct list_head rtable; 156058102a6STobias Waldekranz 157058102a6STobias Waldekranz /* Maps offloaded LAG netdevs to a zero-based linear ID for 158058102a6STobias Waldekranz * drivers that need it. 159058102a6STobias Waldekranz */ 160058102a6STobias Waldekranz struct net_device **lags; 161058102a6STobias Waldekranz unsigned int lags_len; 162cf50dcc2SBen Hutchings }; 163cf50dcc2SBen Hutchings 164058102a6STobias Waldekranz #define dsa_lags_foreach_id(_id, _dst) \ 165058102a6STobias Waldekranz for ((_id) = 0; (_id) < (_dst)->lags_len; (_id)++) \ 166058102a6STobias Waldekranz if ((_dst)->lags[(_id)]) 167058102a6STobias Waldekranz 168058102a6STobias Waldekranz #define dsa_lag_foreach_port(_dp, _dst, _lag) \ 169058102a6STobias Waldekranz list_for_each_entry((_dp), &(_dst)->ports, list) \ 170058102a6STobias Waldekranz if ((_dp)->lag_dev == (_lag)) 171058102a6STobias Waldekranz 17218596f50SGeorge McCollister #define dsa_hsr_foreach_port(_dp, _ds, _hsr) \ 17318596f50SGeorge McCollister list_for_each_entry((_dp), &(_ds)->dst->ports, list) \ 17418596f50SGeorge McCollister if ((_dp)->ds == (_ds) && (_dp)->hsr_dev == (_hsr)) 17518596f50SGeorge McCollister 176058102a6STobias Waldekranz static inline struct net_device *dsa_lag_dev(struct dsa_switch_tree *dst, 177058102a6STobias Waldekranz unsigned int id) 178058102a6STobias Waldekranz { 179058102a6STobias Waldekranz return dst->lags[id]; 180058102a6STobias Waldekranz } 181058102a6STobias Waldekranz 182058102a6STobias Waldekranz static inline int dsa_lag_id(struct dsa_switch_tree *dst, 183058102a6STobias Waldekranz struct net_device *lag) 184058102a6STobias Waldekranz { 185058102a6STobias Waldekranz unsigned int id; 186058102a6STobias Waldekranz 187058102a6STobias Waldekranz dsa_lags_foreach_id(id, dst) { 188058102a6STobias Waldekranz if (dsa_lag_dev(dst, id) == lag) 189058102a6STobias Waldekranz return id; 190058102a6STobias Waldekranz } 191058102a6STobias Waldekranz 192058102a6STobias Waldekranz return -ENODEV; 193058102a6STobias Waldekranz } 194058102a6STobias Waldekranz 19534297176SVladimir Oltean /* TC matchall action types */ 196f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 197f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 19834297176SVladimir Oltean DSA_PORT_MALL_POLICER, 199f50f2127SFlorian Fainelli }; 200f50f2127SFlorian Fainelli 201f50f2127SFlorian Fainelli /* TC mirroring entry */ 202f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 203f50f2127SFlorian Fainelli u8 to_local_port; 204f50f2127SFlorian Fainelli bool ingress; 205f50f2127SFlorian Fainelli }; 206f50f2127SFlorian Fainelli 20734297176SVladimir Oltean /* TC port policer entry */ 20834297176SVladimir Oltean struct dsa_mall_policer_tc_entry { 2095f035af7SPo Liu u32 burst; 21034297176SVladimir Oltean u64 rate_bytes_per_sec; 21134297176SVladimir Oltean }; 21234297176SVladimir Oltean 213f50f2127SFlorian Fainelli /* TC matchall entry */ 214f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 215f50f2127SFlorian Fainelli struct list_head list; 216f50f2127SFlorian Fainelli unsigned long cookie; 217f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 218f50f2127SFlorian Fainelli union { 219f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 22034297176SVladimir Oltean struct dsa_mall_policer_tc_entry policer; 221f50f2127SFlorian Fainelli }; 222f50f2127SFlorian Fainelli }; 223f50f2127SFlorian Fainelli 224f50f2127SFlorian Fainelli 225c8b09808SAndrew Lunn struct dsa_port { 226f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 227f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 228f8b8b1cdSVivien Didelot */ 229f8b8b1cdSVivien Didelot union { 230f8b8b1cdSVivien Didelot struct net_device *master; 231f8b8b1cdSVivien Didelot struct net_device *slave; 232f8b8b1cdSVivien Didelot }; 233f8b8b1cdSVivien Didelot 234357f203bSVladimir Oltean /* Copy of the tagging protocol operations, for quicker access 235357f203bSVladimir Oltean * in the data path. Valid only for the CPU ports. 236357f203bSVladimir Oltean */ 23715240248SVivien Didelot const struct dsa_device_ops *tag_ops; 23815240248SVivien Didelot 2393e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 2403e41f93bSVivien Didelot struct dsa_switch_tree *dst; 2413e41f93bSVivien Didelot struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, 2423e41f93bSVivien Didelot struct packet_type *pt); 243cc1939e4SVladimir Oltean bool (*filter)(const struct sk_buff *skb, struct net_device *dev); 2443e41f93bSVivien Didelot 245057cad2cSVivien Didelot enum { 246057cad2cSVivien Didelot DSA_PORT_TYPE_UNUSED = 0, 247057cad2cSVivien Didelot DSA_PORT_TYPE_CPU, 248057cad2cSVivien Didelot DSA_PORT_TYPE_DSA, 249057cad2cSVivien Didelot DSA_PORT_TYPE_USER, 250057cad2cSVivien Didelot } type; 251057cad2cSVivien Didelot 252818be848SVivien Didelot struct dsa_switch *ds; 253818be848SVivien Didelot unsigned int index; 25471e0bbdeSFlorian Fainelli const char *name; 25568b2d4a8SVivien Didelot struct dsa_port *cpu_dp; 25683216e39SMichael Walle u8 mac[ETH_ALEN]; 257189b0d93SAndrew Lunn struct device_node *dn; 25834a79f63SVivien Didelot unsigned int ageing_time; 25933162e9aSVladimir Oltean bool vlan_filtering; 260732f794cSVivien Didelot u8 stp_state; 261a5e9a02eSVivien Didelot struct net_device *bridge_dev; 26296567d5dSAndrew Lunn struct devlink_port devlink_port; 2633122433eSAndrew Lunn bool devlink_port_setup; 264aab9c406SFlorian Fainelli struct phylink *pl; 26544cc27e4SIoana Ciornei struct phylink_config pl_config; 266058102a6STobias Waldekranz struct net_device *lag_dev; 267058102a6STobias Waldekranz bool lag_tx_enabled; 26818596f50SGeorge McCollister struct net_device *hsr_dev; 26997a69a0dSVladimir Oltean 270ab8ccae1SVivien Didelot struct list_head list; 271ab8ccae1SVivien Didelot 27267dbb9d4SFlorian Fainelli /* 273c362beb0SVladimir Oltean * Give the switch driver somewhere to hang its per-port private data 274c362beb0SVladimir Oltean * structures (accessible from the tagger). 275c362beb0SVladimir Oltean */ 276c362beb0SVladimir Oltean void *priv; 277c362beb0SVladimir Oltean 278c362beb0SVladimir Oltean /* 27967dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 28067dbb9d4SFlorian Fainelli */ 28167dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 282da7b9e9bSFlorian Fainelli 283da7b9e9bSFlorian Fainelli /* 284da7b9e9bSFlorian Fainelli * Original copy of the master netdev net_device_ops 285da7b9e9bSFlorian Fainelli */ 2864cfab356SFlorian Fainelli const struct dsa_netdevice_ops *netdev_ops; 287fb35c60cSVivien Didelot 288161ca59dSVladimir Oltean /* List of MAC addresses that must be forwarded on this port. 289161ca59dSVladimir Oltean * These are only valid on CPU ports and DSA links. 290161ca59dSVladimir Oltean */ 2913f6e32f9SVladimir Oltean struct list_head fdbs; 292161ca59dSVladimir Oltean struct list_head mdbs; 293161ca59dSVladimir Oltean 294fb35c60cSVivien Didelot bool setup; 295c8b09808SAndrew Lunn }; 296c8b09808SAndrew Lunn 297c5f51765SVivien Didelot /* TODO: ideally DSA ports would have a single dp->link_dp member, 298c5f51765SVivien Didelot * and no dst->rtable nor this struct dsa_link would be needed, 299c5f51765SVivien Didelot * but this would require some more complex tree walking, 300c5f51765SVivien Didelot * so keep it stupid at the moment and list them all. 301c5f51765SVivien Didelot */ 302c5f51765SVivien Didelot struct dsa_link { 303c5f51765SVivien Didelot struct dsa_port *dp; 304c5f51765SVivien Didelot struct dsa_port *link_dp; 305c5f51765SVivien Didelot struct list_head list; 306c5f51765SVivien Didelot }; 307c5f51765SVivien Didelot 308161ca59dSVladimir Oltean struct dsa_mac_addr { 309161ca59dSVladimir Oltean unsigned char addr[ETH_ALEN]; 310161ca59dSVladimir Oltean u16 vid; 311161ca59dSVladimir Oltean refcount_t refcount; 312161ca59dSVladimir Oltean struct list_head list; 313161ca59dSVladimir Oltean }; 314161ca59dSVladimir Oltean 315c8f0b869SBen Hutchings struct dsa_switch { 316fb35c60cSVivien Didelot bool setup; 317fb35c60cSVivien Didelot 318c33063d6SAndrew Lunn struct device *dev; 319c33063d6SAndrew Lunn 320c8f0b869SBen Hutchings /* 321c8f0b869SBen Hutchings * Parent switch tree, and switch index. 322c8f0b869SBen Hutchings */ 323c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 32499feaafcSVivien Didelot unsigned int index; 325c8f0b869SBen Hutchings 326f515f192SVivien Didelot /* Listener for switch fabric events */ 327f515f192SVivien Didelot struct notifier_block nb; 328f515f192SVivien Didelot 329c8f0b869SBen Hutchings /* 3307543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 3317543a6d5SAndrew Lunn * structure. 3327543a6d5SAndrew Lunn */ 3337543a6d5SAndrew Lunn void *priv; 3347543a6d5SAndrew Lunn 3357543a6d5SAndrew Lunn /* 336c8f0b869SBen Hutchings * Configuration data for this switch. 337c8f0b869SBen Hutchings */ 338ff04955cSAndrew Lunn struct dsa_chip_data *cd; 339c8f0b869SBen Hutchings 340c8f0b869SBen Hutchings /* 3419d490b4eSVivien Didelot * The switch operations. 342c8f0b869SBen Hutchings */ 343a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 344c8f0b869SBen Hutchings 34566472fc0SAndrew Lunn /* 346c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 347c8f0b869SBen Hutchings */ 3480d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 349c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 350a0c02161SVivien Didelot 3510f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 3520f3da6afSVivien Didelot unsigned int ageing_time_min; 3530f3da6afSVivien Didelot unsigned int ageing_time_max; 3540f3da6afSVivien Didelot 355*d7b1fd52SVladimir Oltean /* Storage for drivers using tag_8021q */ 356*d7b1fd52SVladimir Oltean struct dsa_8021q_context *tag_8021q_ctx; 357*d7b1fd52SVladimir Oltean 35896567d5dSAndrew Lunn /* devlink used to represent this switch device */ 35996567d5dSAndrew Lunn struct devlink *devlink; 36096567d5dSAndrew Lunn 36155199df6SFlorian Fainelli /* Number of switch port queues */ 36255199df6SFlorian Fainelli unsigned int num_tx_queues; 36355199df6SFlorian Fainelli 3648f5d16f6SVladimir Oltean /* Disallow bridge core from requesting different VLAN awareness 3658f5d16f6SVladimir Oltean * settings on ports if not hardware-supported 3668f5d16f6SVladimir Oltean */ 3678f5d16f6SVladimir Oltean bool vlan_filtering_is_global; 3688f5d16f6SVladimir Oltean 36954a0ed0dSRussell King /* Pass .port_vlan_add and .port_vlan_del to drivers even for bridges 37054a0ed0dSRussell King * that have vlan_filtering=0. All drivers should ideally set this (and 37154a0ed0dSRussell King * then the option would get removed), but it is unknown whether this 37254a0ed0dSRussell King * would break things or not. 37354a0ed0dSRussell King */ 37454a0ed0dSRussell King bool configure_vlan_while_not_filtering; 37554a0ed0dSRussell King 3761dc0408cSFlorian Fainelli /* If the switch driver always programs the CPU port as egress tagged 3771dc0408cSFlorian Fainelli * despite the VLAN configuration indicating otherwise, then setting 3781dc0408cSFlorian Fainelli * @untag_bridge_pvid will force the DSA receive path to pop the bridge's 3791dc0408cSFlorian Fainelli * default_pvid VLAN tagged frames to offer a consistent behavior 3801dc0408cSFlorian Fainelli * between a vlan_filtering=0 and vlan_filtering=1 bridge device. 3811dc0408cSFlorian Fainelli */ 3821dc0408cSFlorian Fainelli bool untag_bridge_pvid; 3831dc0408cSFlorian Fainelli 384d5f19486SVladimir Oltean /* Let DSA manage the FDB entries towards the CPU, based on the 385d5f19486SVladimir Oltean * software bridge database. 386d5f19486SVladimir Oltean */ 387d5f19486SVladimir Oltean bool assisted_learning_on_cpu_port; 388d5f19486SVladimir Oltean 38914574676SVladimir Oltean /* In case vlan_filtering_is_global is set, the VLAN awareness state 39014574676SVladimir Oltean * should be retrieved from here and not from the per-port settings. 39114574676SVladimir Oltean */ 39214574676SVladimir Oltean bool vlan_filtering; 39314574676SVladimir Oltean 394787cac3fSVladimir Oltean /* MAC PCS does not provide link state change interrupt, and requires 395787cac3fSVladimir Oltean * polling. Flag passed on to PHYLINK. 396787cac3fSVladimir Oltean */ 397787cac3fSVladimir Oltean bool pcs_poll; 398787cac3fSVladimir Oltean 399bff33f7eSVladimir Oltean /* For switches that only have the MRU configurable. To ensure the 400bff33f7eSVladimir Oltean * configured MTU is not exceeded, normalization of MRU on all bridged 401bff33f7eSVladimir Oltean * interfaces is needed. 402bff33f7eSVladimir Oltean */ 403bff33f7eSVladimir Oltean bool mtu_enforcement_ingress; 404bff33f7eSVladimir Oltean 405058102a6STobias Waldekranz /* Drivers that benefit from having an ID associated with each 406058102a6STobias Waldekranz * offloaded LAG should set this to the maximum number of 407058102a6STobias Waldekranz * supported IDs. DSA will then maintain a mapping of _at 408058102a6STobias Waldekranz * least_ these many IDs, accessible to drivers via 409058102a6STobias Waldekranz * dsa_lag_id(). 410058102a6STobias Waldekranz */ 411058102a6STobias Waldekranz unsigned int num_lag_ids; 412058102a6STobias Waldekranz 413a0c02161SVivien Didelot size_t num_ports; 414c8f0b869SBen Hutchings }; 415c8f0b869SBen Hutchings 41668bb8ea8SVivien Didelot static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) 417c38c5a66SVivien Didelot { 418b96ddf25SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 419d607525bSVivien Didelot struct dsa_port *dp; 420b96ddf25SVivien Didelot 421b96ddf25SVivien Didelot list_for_each_entry(dp, &dst->ports, list) 422b96ddf25SVivien Didelot if (dp->ds == ds && dp->index == p) 423b96ddf25SVivien Didelot return dp; 424d607525bSVivien Didelot 425d607525bSVivien Didelot return NULL; 426c38c5a66SVivien Didelot } 427c38c5a66SVivien Didelot 428a8986681SVladimir Oltean static inline bool dsa_port_is_dsa(struct dsa_port *port) 429a8986681SVladimir Oltean { 430a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_DSA; 431a8986681SVladimir Oltean } 432a8986681SVladimir Oltean 433a8986681SVladimir Oltean static inline bool dsa_port_is_cpu(struct dsa_port *port) 434a8986681SVladimir Oltean { 435a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_CPU; 436a8986681SVladimir Oltean } 437a8986681SVladimir Oltean 438a8986681SVladimir Oltean static inline bool dsa_port_is_user(struct dsa_port *dp) 439a8986681SVladimir Oltean { 440a8986681SVladimir Oltean return dp->type == DSA_PORT_TYPE_USER; 441a8986681SVladimir Oltean } 442a8986681SVladimir Oltean 443bff7b688SVivien Didelot static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) 444bff7b688SVivien Didelot { 445c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; 446bff7b688SVivien Didelot } 447bff7b688SVivien Didelot 448c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 449c8f0b869SBen Hutchings { 450c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; 451c8f0b869SBen Hutchings } 452c8f0b869SBen Hutchings 45360045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 45460045cbfSAndrew Lunn { 455c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; 45660045cbfSAndrew Lunn } 45760045cbfSAndrew Lunn 4582b3e9891SVivien Didelot static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) 4596cd456f3SVivien Didelot { 460c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; 4616cd456f3SVivien Didelot } 4626cd456f3SVivien Didelot 46302bc6e54SVivien Didelot static inline u32 dsa_user_ports(struct dsa_switch *ds) 46402bc6e54SVivien Didelot { 465c38c5a66SVivien Didelot u32 mask = 0; 466c38c5a66SVivien Didelot int p; 46702bc6e54SVivien Didelot 468c38c5a66SVivien Didelot for (p = 0; p < ds->num_ports; p++) 469c38c5a66SVivien Didelot if (dsa_is_user_port(ds, p)) 470c38c5a66SVivien Didelot mask |= BIT(p); 471c38c5a66SVivien Didelot 472c38c5a66SVivien Didelot return mask; 473c8652c83SVivien Didelot } 474c8652c83SVivien Didelot 475c5f51765SVivien Didelot /* Return the local port used to reach an arbitrary switch device */ 476c5f51765SVivien Didelot static inline unsigned int dsa_routing_port(struct dsa_switch *ds, int device) 477c5f51765SVivien Didelot { 478c5f51765SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 479c5f51765SVivien Didelot struct dsa_link *dl; 480c5f51765SVivien Didelot 481c5f51765SVivien Didelot list_for_each_entry(dl, &dst->rtable, list) 482c5f51765SVivien Didelot if (dl->dp->ds == ds && dl->link_dp->ds->index == device) 483c5f51765SVivien Didelot return dl->dp->index; 484c5f51765SVivien Didelot 485c5f51765SVivien Didelot return ds->num_ports; 486c5f51765SVivien Didelot } 487c5f51765SVivien Didelot 4883b8fac5dSVivien Didelot /* Return the local port used to reach an arbitrary switch port */ 4893b8fac5dSVivien Didelot static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, 4903b8fac5dSVivien Didelot int port) 4913b8fac5dSVivien Didelot { 4923b8fac5dSVivien Didelot if (device == ds->index) 4933b8fac5dSVivien Didelot return port; 4943b8fac5dSVivien Didelot else 495c5f51765SVivien Didelot return dsa_routing_port(ds, device); 4963b8fac5dSVivien Didelot } 4973b8fac5dSVivien Didelot 4983b8fac5dSVivien Didelot /* Return the local port used to reach the dedicated CPU port */ 49907073c79SVivien Didelot static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) 500c8f0b869SBen Hutchings { 50107073c79SVivien Didelot const struct dsa_port *dp = dsa_to_port(ds, port); 50207073c79SVivien Didelot const struct dsa_port *cpu_dp = dp->cpu_dp; 50307073c79SVivien Didelot 50407073c79SVivien Didelot if (!cpu_dp) 50507073c79SVivien Didelot return port; 506c8f0b869SBen Hutchings 5073b8fac5dSVivien Didelot return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); 508c8f0b869SBen Hutchings } 509c8f0b869SBen Hutchings 51063609c8fSVladimir Oltean /* Return true if this is the local port used to reach the CPU port */ 51163609c8fSVladimir Oltean static inline bool dsa_is_upstream_port(struct dsa_switch *ds, int port) 51263609c8fSVladimir Oltean { 51363609c8fSVladimir Oltean if (dsa_is_unused_port(ds, port)) 51463609c8fSVladimir Oltean return false; 51563609c8fSVladimir Oltean 51663609c8fSVladimir Oltean return port == dsa_upstream_port(ds, port); 51763609c8fSVladimir Oltean } 51863609c8fSVladimir Oltean 51963609c8fSVladimir Oltean /* Return true if @upstream_ds is an upstream switch of @downstream_ds, meaning 52063609c8fSVladimir Oltean * that the routing port from @downstream_ds to @upstream_ds is also the port 52163609c8fSVladimir Oltean * which @downstream_ds uses to reach its dedicated CPU. 52263609c8fSVladimir Oltean */ 52363609c8fSVladimir Oltean static inline bool dsa_switch_is_upstream_of(struct dsa_switch *upstream_ds, 52463609c8fSVladimir Oltean struct dsa_switch *downstream_ds) 52563609c8fSVladimir Oltean { 52663609c8fSVladimir Oltean int routing_port; 52763609c8fSVladimir Oltean 52863609c8fSVladimir Oltean if (upstream_ds == downstream_ds) 52963609c8fSVladimir Oltean return true; 53063609c8fSVladimir Oltean 53163609c8fSVladimir Oltean routing_port = dsa_routing_port(downstream_ds, upstream_ds->index); 53263609c8fSVladimir Oltean 53363609c8fSVladimir Oltean return dsa_is_upstream_port(downstream_ds, routing_port); 53463609c8fSVladimir Oltean } 53563609c8fSVladimir Oltean 536cf2d45f5SVladimir Oltean static inline bool dsa_port_is_vlan_filtering(const struct dsa_port *dp) 537cf2d45f5SVladimir Oltean { 538cf2d45f5SVladimir Oltean const struct dsa_switch *ds = dp->ds; 539cf2d45f5SVladimir Oltean 540cf2d45f5SVladimir Oltean if (ds->vlan_filtering_is_global) 541cf2d45f5SVladimir Oltean return ds->vlan_filtering; 542cf2d45f5SVladimir Oltean else 543cf2d45f5SVladimir Oltean return dp->vlan_filtering; 544cf2d45f5SVladimir Oltean } 545cf2d45f5SVladimir Oltean 546cc76ce9eSTobias Waldekranz static inline 547cc76ce9eSTobias Waldekranz struct net_device *dsa_port_to_bridge_port(const struct dsa_port *dp) 548cc76ce9eSTobias Waldekranz { 549cc76ce9eSTobias Waldekranz if (!dp->bridge_dev) 550cc76ce9eSTobias Waldekranz return NULL; 551cc76ce9eSTobias Waldekranz 552cc76ce9eSTobias Waldekranz if (dp->lag_dev) 553cc76ce9eSTobias Waldekranz return dp->lag_dev; 554cc76ce9eSTobias Waldekranz else if (dp->hsr_dev) 555cc76ce9eSTobias Waldekranz return dp->hsr_dev; 556cc76ce9eSTobias Waldekranz 557cc76ce9eSTobias Waldekranz return dp->slave; 558cc76ce9eSTobias Waldekranz } 559cc76ce9eSTobias Waldekranz 5602bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 5612bedde1aSArkadi Sharshevsky bool is_static, void *data); 5629d490b4eSVivien Didelot struct dsa_switch_ops { 56353da0ebaSVladimir Oltean /* 56453da0ebaSVladimir Oltean * Tagging protocol helpers called for the CPU ports and DSA links. 56553da0ebaSVladimir Oltean * @get_tag_protocol retrieves the initial tagging protocol and is 56653da0ebaSVladimir Oltean * mandatory. Switches which can operate using multiple tagging 56753da0ebaSVladimir Oltean * protocols should implement @change_tag_protocol and report in 56853da0ebaSVladimir Oltean * @get_tag_protocol the tagger in current use. 56953da0ebaSVladimir Oltean */ 5705ed4e3ebSFlorian Fainelli enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, 5714d776482SFlorian Fainelli int port, 5724d776482SFlorian Fainelli enum dsa_tag_protocol mprot); 57353da0ebaSVladimir Oltean int (*change_tag_protocol)(struct dsa_switch *ds, int port, 57453da0ebaSVladimir Oltean enum dsa_tag_protocol proto); 5757b314362SAndrew Lunn 576c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 5775e3f847aSVladimir Oltean void (*teardown)(struct dsa_switch *ds); 5786819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 579c8f0b869SBen Hutchings 580c8f0b869SBen Hutchings /* 581c8f0b869SBen Hutchings * Access to the switch's PHY registers. 582c8f0b869SBen Hutchings */ 583c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 584c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 585c8f0b869SBen Hutchings int regnum, u16 val); 586c8f0b869SBen Hutchings 587c8f0b869SBen Hutchings /* 588ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 589ec9436baSFlorian Fainelli */ 590ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 591ec9436baSFlorian Fainelli struct phy_device *phydev); 592ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 593ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 594ec9436baSFlorian Fainelli 595ec9436baSFlorian Fainelli /* 59611d8f3ddSFlorian Fainelli * PHYLINK integration 59711d8f3ddSFlorian Fainelli */ 59811d8f3ddSFlorian Fainelli void (*phylink_validate)(struct dsa_switch *ds, int port, 59911d8f3ddSFlorian Fainelli unsigned long *supported, 60011d8f3ddSFlorian Fainelli struct phylink_link_state *state); 60111d8f3ddSFlorian Fainelli int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, 60211d8f3ddSFlorian Fainelli struct phylink_link_state *state); 60311d8f3ddSFlorian Fainelli void (*phylink_mac_config)(struct dsa_switch *ds, int port, 60411d8f3ddSFlorian Fainelli unsigned int mode, 60511d8f3ddSFlorian Fainelli const struct phylink_link_state *state); 60611d8f3ddSFlorian Fainelli void (*phylink_mac_an_restart)(struct dsa_switch *ds, int port); 60711d8f3ddSFlorian Fainelli void (*phylink_mac_link_down)(struct dsa_switch *ds, int port, 60811d8f3ddSFlorian Fainelli unsigned int mode, 60911d8f3ddSFlorian Fainelli phy_interface_t interface); 61011d8f3ddSFlorian Fainelli void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, 61111d8f3ddSFlorian Fainelli unsigned int mode, 61211d8f3ddSFlorian Fainelli phy_interface_t interface, 6135b502a7bSRussell King struct phy_device *phydev, 6145b502a7bSRussell King int speed, int duplex, 6155b502a7bSRussell King bool tx_pause, bool rx_pause); 61611d8f3ddSFlorian Fainelli void (*phylink_fixed_state)(struct dsa_switch *ds, int port, 61711d8f3ddSFlorian Fainelli struct phylink_link_state *state); 61811d8f3ddSFlorian Fainelli /* 619c2ec5f2eSOleksij Rempel * Port statistics counters. 620c8f0b869SBen Hutchings */ 62189f09048SFlorian Fainelli void (*get_strings)(struct dsa_switch *ds, int port, 62289f09048SFlorian Fainelli u32 stringset, uint8_t *data); 623c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 624c8f0b869SBen Hutchings int port, uint64_t *data); 62589f09048SFlorian Fainelli int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); 626cf963573SFlorian Fainelli void (*get_ethtool_phy_stats)(struct dsa_switch *ds, 627cf963573SFlorian Fainelli int port, uint64_t *data); 628c2ec5f2eSOleksij Rempel void (*get_stats64)(struct dsa_switch *ds, int port, 629c2ec5f2eSOleksij Rempel struct rtnl_link_stats64 *s); 630a71acad9SOleksij Rempel void (*self_test)(struct dsa_switch *ds, int port, 631a71acad9SOleksij Rempel struct ethtool_test *etest, u64 *data); 63224462549SFlorian Fainelli 63324462549SFlorian Fainelli /* 63419e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 63519e57c4eSFlorian Fainelli */ 63619e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 63719e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 63819e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 63919e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 64019e57c4eSFlorian Fainelli 64119e57c4eSFlorian Fainelli /* 6420336369dSBrandon Streiff * ethtool timestamp info 6430336369dSBrandon Streiff */ 6440336369dSBrandon Streiff int (*get_ts_info)(struct dsa_switch *ds, int port, 6450336369dSBrandon Streiff struct ethtool_ts_info *ts); 6460336369dSBrandon Streiff 6470336369dSBrandon Streiff /* 64824462549SFlorian Fainelli * Suspend and resume 64924462549SFlorian Fainelli */ 65024462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 65124462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 652b2f2af21SFlorian Fainelli 653b2f2af21SFlorian Fainelli /* 654b2f2af21SFlorian Fainelli * Port enable/disable 655b2f2af21SFlorian Fainelli */ 656b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 657b2f2af21SFlorian Fainelli struct phy_device *phy); 65875104db0SAndrew Lunn void (*port_disable)(struct dsa_switch *ds, int port); 6597905288fSFlorian Fainelli 6607905288fSFlorian Fainelli /* 66108f50061SVivien Didelot * Port's MAC EEE settings 6627905288fSFlorian Fainelli */ 66308f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 6647905288fSFlorian Fainelli struct ethtool_eee *e); 66508f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 6667905288fSFlorian Fainelli struct ethtool_eee *e); 66751579c3fSGuenter Roeck 6686793abb4SGuenter Roeck /* EEPROM access */ 6696793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 6706793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 6716793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 6726793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 6736793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 6743d762a0fSGuenter Roeck 6753d762a0fSGuenter Roeck /* 6763d762a0fSGuenter Roeck * Register access. 6773d762a0fSGuenter Roeck */ 6783d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 6793d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 6803d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 681b73adef6SFlorian Fainelli 682b73adef6SFlorian Fainelli /* 683e358bef7SVladimir Oltean * Upper device tracking. 684e358bef7SVladimir Oltean */ 685e358bef7SVladimir Oltean int (*port_prechangeupper)(struct dsa_switch *ds, int port, 686e358bef7SVladimir Oltean struct netdev_notifier_changeupper_info *info); 687e358bef7SVladimir Oltean 688e358bef7SVladimir Oltean /* 689b73adef6SFlorian Fainelli * Bridge integration 690b73adef6SFlorian Fainelli */ 69134a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 69271327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 693a6692754SVivien Didelot struct net_device *bridge); 694f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 695f123f2fbSVivien Didelot struct net_device *bridge); 69643c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 697b73adef6SFlorian Fainelli u8 state); 698732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 699a8b659e7SVladimir Oltean int (*port_pre_bridge_flags)(struct dsa_switch *ds, int port, 700a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 701a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 702a8b659e7SVladimir Oltean int (*port_bridge_flags)(struct dsa_switch *ds, int port, 703a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 704a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 705a8b659e7SVladimir Oltean int (*port_set_mrouter)(struct dsa_switch *ds, int port, bool mrouter, 706a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 7072a778e1bSVivien Didelot 7082a778e1bSVivien Didelot /* 70911149536SVivien Didelot * VLAN support 71011149536SVivien Didelot */ 711fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 71289153ed6SVladimir Oltean bool vlan_filtering, 71389153ed6SVladimir Oltean struct netlink_ext_ack *extack); 7141958d581SVladimir Oltean int (*port_vlan_add)(struct dsa_switch *ds, int port, 71531046a5fSVladimir Oltean const struct switchdev_obj_port_vlan *vlan, 71631046a5fSVladimir Oltean struct netlink_ext_ack *extack); 71776e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 71876e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 71911149536SVivien Didelot /* 7202a778e1bSVivien Didelot * Forwarding database 7212a778e1bSVivien Didelot */ 7221b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 7236c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 7242a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 7256c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 726ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 7272bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 7288df30255SVivien Didelot 7298df30255SVivien Didelot /* 7308df30255SVivien Didelot * Multicast database 7318df30255SVivien Didelot */ 732a52b2da7SVladimir Oltean int (*port_mdb_add)(struct dsa_switch *ds, int port, 7333709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 7348df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 7358df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 736bf9f2648SFlorian Fainelli /* 737bf9f2648SFlorian Fainelli * RXNFC 738bf9f2648SFlorian Fainelli */ 739bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 740bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 741bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 742bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 743f50f2127SFlorian Fainelli 744f50f2127SFlorian Fainelli /* 745f50f2127SFlorian Fainelli * TC integration 746f50f2127SFlorian Fainelli */ 747ed11bb1fSVladimir Oltean int (*cls_flower_add)(struct dsa_switch *ds, int port, 748ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 749ed11bb1fSVladimir Oltean int (*cls_flower_del)(struct dsa_switch *ds, int port, 750ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 751ed11bb1fSVladimir Oltean int (*cls_flower_stats)(struct dsa_switch *ds, int port, 752ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 753f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 754f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 755f50f2127SFlorian Fainelli bool ingress); 756f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 757f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 75834297176SVladimir Oltean int (*port_policer_add)(struct dsa_switch *ds, int port, 75934297176SVladimir Oltean struct dsa_mall_policer_tc_entry *policer); 76034297176SVladimir Oltean void (*port_policer_del)(struct dsa_switch *ds, int port); 76147d23af2SVladimir Oltean int (*port_setup_tc)(struct dsa_switch *ds, int port, 76247d23af2SVladimir Oltean enum tc_setup_type type, void *type_data); 76340ef2c93SVivien Didelot 76440ef2c93SVivien Didelot /* 76540ef2c93SVivien Didelot * Cross-chip operations 76640ef2c93SVivien Didelot */ 767f66a6a69SVladimir Oltean int (*crosschip_bridge_join)(struct dsa_switch *ds, int tree_index, 768f66a6a69SVladimir Oltean int sw_index, int port, 769f66a6a69SVladimir Oltean struct net_device *br); 770f66a6a69SVladimir Oltean void (*crosschip_bridge_leave)(struct dsa_switch *ds, int tree_index, 771f66a6a69SVladimir Oltean int sw_index, int port, 772f66a6a69SVladimir Oltean struct net_device *br); 773058102a6STobias Waldekranz int (*crosschip_lag_change)(struct dsa_switch *ds, int sw_index, 774058102a6STobias Waldekranz int port); 775058102a6STobias Waldekranz int (*crosschip_lag_join)(struct dsa_switch *ds, int sw_index, 776058102a6STobias Waldekranz int port, struct net_device *lag, 777058102a6STobias Waldekranz struct netdev_lag_upper_info *info); 778058102a6STobias Waldekranz int (*crosschip_lag_leave)(struct dsa_switch *ds, int sw_index, 779058102a6STobias Waldekranz int port, struct net_device *lag); 7800336369dSBrandon Streiff 7810336369dSBrandon Streiff /* 7820336369dSBrandon Streiff * PTP functionality 7830336369dSBrandon Streiff */ 7840336369dSBrandon Streiff int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, 7850336369dSBrandon Streiff struct ifreq *ifr); 7860336369dSBrandon Streiff int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, 7870336369dSBrandon Streiff struct ifreq *ifr); 7885c5416f5SYangbo Lu void (*port_txtstamp)(struct dsa_switch *ds, int port, 7895c5416f5SYangbo Lu struct sk_buff *skb); 79090af1059SBrandon Streiff bool (*port_rxtstamp)(struct dsa_switch *ds, int port, 79190af1059SBrandon Streiff struct sk_buff *skb, unsigned int type); 79297a69a0dSVladimir Oltean 7930f06b855SAndrew Lunn /* Devlink parameters, etc */ 7946b297524SAndrew Lunn int (*devlink_param_get)(struct dsa_switch *ds, u32 id, 7956b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 7966b297524SAndrew Lunn int (*devlink_param_set)(struct dsa_switch *ds, u32 id, 7976b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 7980f06b855SAndrew Lunn int (*devlink_info_get)(struct dsa_switch *ds, 7990f06b855SAndrew Lunn struct devlink_info_req *req, 8000f06b855SAndrew Lunn struct netlink_ext_ack *extack); 8012a6ef763SVladimir Oltean int (*devlink_sb_pool_get)(struct dsa_switch *ds, 8022a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8032a6ef763SVladimir Oltean struct devlink_sb_pool_info *pool_info); 8042a6ef763SVladimir Oltean int (*devlink_sb_pool_set)(struct dsa_switch *ds, unsigned int sb_index, 8052a6ef763SVladimir Oltean u16 pool_index, u32 size, 8062a6ef763SVladimir Oltean enum devlink_sb_threshold_type threshold_type, 8072a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 8082a6ef763SVladimir Oltean int (*devlink_sb_port_pool_get)(struct dsa_switch *ds, int port, 8092a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8102a6ef763SVladimir Oltean u32 *p_threshold); 8112a6ef763SVladimir Oltean int (*devlink_sb_port_pool_set)(struct dsa_switch *ds, int port, 8122a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8132a6ef763SVladimir Oltean u32 threshold, 8142a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 8152a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_get)(struct dsa_switch *ds, int port, 8162a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 8172a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 8182a6ef763SVladimir Oltean u16 *p_pool_index, u32 *p_threshold); 8192a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_set)(struct dsa_switch *ds, int port, 8202a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 8212a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 8222a6ef763SVladimir Oltean u16 pool_index, u32 threshold, 8232a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 8242a6ef763SVladimir Oltean int (*devlink_sb_occ_snapshot)(struct dsa_switch *ds, 8252a6ef763SVladimir Oltean unsigned int sb_index); 8262a6ef763SVladimir Oltean int (*devlink_sb_occ_max_clear)(struct dsa_switch *ds, 8272a6ef763SVladimir Oltean unsigned int sb_index); 8282a6ef763SVladimir Oltean int (*devlink_sb_occ_port_pool_get)(struct dsa_switch *ds, int port, 8292a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8302a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 8312a6ef763SVladimir Oltean int (*devlink_sb_occ_tc_port_bind_get)(struct dsa_switch *ds, int port, 8322a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 8332a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 8342a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 835bfcb8132SVladimir Oltean 836bfcb8132SVladimir Oltean /* 837bfcb8132SVladimir Oltean * MTU change functionality. Switches can also adjust their MRU through 838bfcb8132SVladimir Oltean * this method. By MTU, one understands the SDU (L2 payload) length. 839bfcb8132SVladimir Oltean * If the switch needs to account for the DSA tag on the CPU port, this 840ab88d64aSRandy Dunlap * method needs to do so privately. 841bfcb8132SVladimir Oltean */ 842bfcb8132SVladimir Oltean int (*port_change_mtu)(struct dsa_switch *ds, int port, 843bfcb8132SVladimir Oltean int new_mtu); 844bfcb8132SVladimir Oltean int (*port_max_mtu)(struct dsa_switch *ds, int port); 845058102a6STobias Waldekranz 846058102a6STobias Waldekranz /* 847058102a6STobias Waldekranz * LAG integration 848058102a6STobias Waldekranz */ 849058102a6STobias Waldekranz int (*port_lag_change)(struct dsa_switch *ds, int port); 850058102a6STobias Waldekranz int (*port_lag_join)(struct dsa_switch *ds, int port, 851058102a6STobias Waldekranz struct net_device *lag, 852058102a6STobias Waldekranz struct netdev_lag_upper_info *info); 853058102a6STobias Waldekranz int (*port_lag_leave)(struct dsa_switch *ds, int port, 854058102a6STobias Waldekranz struct net_device *lag); 85518596f50SGeorge McCollister 85618596f50SGeorge McCollister /* 85718596f50SGeorge McCollister * HSR integration 85818596f50SGeorge McCollister */ 85918596f50SGeorge McCollister int (*port_hsr_join)(struct dsa_switch *ds, int port, 86018596f50SGeorge McCollister struct net_device *hsr); 86118596f50SGeorge McCollister int (*port_hsr_leave)(struct dsa_switch *ds, int port, 86218596f50SGeorge McCollister struct net_device *hsr); 863c595c433SHoratiu Vultur 864c595c433SHoratiu Vultur /* 865c595c433SHoratiu Vultur * MRP integration 866c595c433SHoratiu Vultur */ 867c595c433SHoratiu Vultur int (*port_mrp_add)(struct dsa_switch *ds, int port, 868c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 869c595c433SHoratiu Vultur int (*port_mrp_del)(struct dsa_switch *ds, int port, 870c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 871c595c433SHoratiu Vultur int (*port_mrp_add_ring_role)(struct dsa_switch *ds, int port, 872c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 873c595c433SHoratiu Vultur int (*port_mrp_del_ring_role)(struct dsa_switch *ds, int port, 874c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 8756b297524SAndrew Lunn }; 8766b297524SAndrew Lunn 8776b297524SAndrew Lunn #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ 8786b297524SAndrew Lunn DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, \ 8796b297524SAndrew Lunn dsa_devlink_param_get, dsa_devlink_param_set, NULL) 8806b297524SAndrew Lunn 8816b297524SAndrew Lunn int dsa_devlink_param_get(struct devlink *dl, u32 id, 8826b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 8836b297524SAndrew Lunn int dsa_devlink_param_set(struct devlink *dl, u32 id, 8846b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 8856b297524SAndrew Lunn int dsa_devlink_params_register(struct dsa_switch *ds, 8866b297524SAndrew Lunn const struct devlink_param *params, 8876b297524SAndrew Lunn size_t params_count); 8886b297524SAndrew Lunn void dsa_devlink_params_unregister(struct dsa_switch *ds, 8896b297524SAndrew Lunn const struct devlink_param *params, 8906b297524SAndrew Lunn size_t params_count); 8915cd73fbdSAndrew Lunn int dsa_devlink_resource_register(struct dsa_switch *ds, 8925cd73fbdSAndrew Lunn const char *resource_name, 8935cd73fbdSAndrew Lunn u64 resource_size, 8945cd73fbdSAndrew Lunn u64 resource_id, 8955cd73fbdSAndrew Lunn u64 parent_resource_id, 8965cd73fbdSAndrew Lunn const struct devlink_resource_size_params *size_params); 8975cd73fbdSAndrew Lunn 8985cd73fbdSAndrew Lunn void dsa_devlink_resources_unregister(struct dsa_switch *ds); 8995cd73fbdSAndrew Lunn 9005cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds, 9015cd73fbdSAndrew Lunn u64 resource_id, 9025cd73fbdSAndrew Lunn devlink_resource_occ_get_t *occ_get, 9035cd73fbdSAndrew Lunn void *occ_get_priv); 9045cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds, 9055cd73fbdSAndrew Lunn u64 resource_id); 90697c82c23SAndrew Lunn struct devlink_region * 90797c82c23SAndrew Lunn dsa_devlink_region_create(struct dsa_switch *ds, 90897c82c23SAndrew Lunn const struct devlink_region_ops *ops, 90997c82c23SAndrew Lunn u32 region_max_snapshots, u64 region_size); 91008156ba4SAndrew Lunn struct devlink_region * 91108156ba4SAndrew Lunn dsa_devlink_port_region_create(struct dsa_switch *ds, 91208156ba4SAndrew Lunn int port, 91308156ba4SAndrew Lunn const struct devlink_port_region_ops *ops, 91408156ba4SAndrew Lunn u32 region_max_snapshots, u64 region_size); 91597c82c23SAndrew Lunn void dsa_devlink_region_destroy(struct devlink_region *region); 91697c82c23SAndrew Lunn 917e1eea811SVladimir Oltean struct dsa_port *dsa_port_from_netdev(struct net_device *netdev); 9185cd73fbdSAndrew Lunn 9196b297524SAndrew Lunn struct dsa_devlink_priv { 9206b297524SAndrew Lunn struct dsa_switch *ds; 921c8f0b869SBen Hutchings }; 922c8f0b869SBen Hutchings 923ccc3e6b0SAndrew Lunn static inline struct dsa_switch *dsa_devlink_to_ds(struct devlink *dl) 924ccc3e6b0SAndrew Lunn { 925ccc3e6b0SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 926ccc3e6b0SAndrew Lunn 927ccc3e6b0SAndrew Lunn return dl_priv->ds; 928ccc3e6b0SAndrew Lunn } 929ccc3e6b0SAndrew Lunn 9307d1e2a10SAndrew Lunn static inline 9317d1e2a10SAndrew Lunn struct dsa_switch *dsa_devlink_port_to_ds(struct devlink_port *port) 9327d1e2a10SAndrew Lunn { 9337d1e2a10SAndrew Lunn struct devlink *dl = port->devlink; 9347d1e2a10SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 9357d1e2a10SAndrew Lunn 9367d1e2a10SAndrew Lunn return dl_priv->ds; 9377d1e2a10SAndrew Lunn } 9387d1e2a10SAndrew Lunn 9397d1e2a10SAndrew Lunn static inline int dsa_devlink_port_to_port(struct devlink_port *port) 9407d1e2a10SAndrew Lunn { 9417d1e2a10SAndrew Lunn return port->index; 9427d1e2a10SAndrew Lunn } 9437d1e2a10SAndrew Lunn 944ab3d408dSFlorian Fainelli struct dsa_switch_driver { 945ab3d408dSFlorian Fainelli struct list_head list; 946a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 947ab3d408dSFlorian Fainelli }; 948ab3d408dSFlorian Fainelli 94914b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 950c8f0b869SBen Hutchings 95173a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 9529eb8eff0SVladimir Oltean static inline bool netdev_uses_dsa(const struct net_device *dev) 953c6e970a0SAndrew Lunn { 954c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 955717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 956c6e970a0SAndrew Lunn #endif 957c6e970a0SAndrew Lunn return false; 958c6e970a0SAndrew Lunn } 959c6e970a0SAndrew Lunn 960cc1939e4SVladimir Oltean static inline bool dsa_can_decode(const struct sk_buff *skb, 961cc1939e4SVladimir Oltean struct net_device *dev) 962cc1939e4SVladimir Oltean { 963cc1939e4SVladimir Oltean #if IS_ENABLED(CONFIG_NET_DSA) 964cc1939e4SVladimir Oltean return !dev->dsa_ptr->filter || dev->dsa_ptr->filter(skb, dev); 965cc1939e4SVladimir Oltean #endif 966cc1939e4SVladimir Oltean return false; 967cc1939e4SVladimir Oltean } 968cc1939e4SVladimir Oltean 9699790cf20SVladimir Oltean /* All DSA tags that push the EtherType to the right (basically all except tail 9709790cf20SVladimir Oltean * tags, which don't break dissection) can be treated the same from the 9719790cf20SVladimir Oltean * perspective of the flow dissector. 9729790cf20SVladimir Oltean * 9739790cf20SVladimir Oltean * We need to return: 9749790cf20SVladimir Oltean * - offset: the (B - A) difference between: 9759790cf20SVladimir Oltean * A. the position of the real EtherType and 9769790cf20SVladimir Oltean * B. the current skb->data (aka ETH_HLEN bytes into the frame, aka 2 bytes 9779790cf20SVladimir Oltean * after the normal EtherType was supposed to be) 9789790cf20SVladimir Oltean * The offset in bytes is exactly equal to the tagger overhead (and half of 9799790cf20SVladimir Oltean * that, in __be16 shorts). 9809790cf20SVladimir Oltean * 9819790cf20SVladimir Oltean * - proto: the value of the real EtherType. 9829790cf20SVladimir Oltean */ 9839790cf20SVladimir Oltean static inline void dsa_tag_generic_flow_dissect(const struct sk_buff *skb, 9849790cf20SVladimir Oltean __be16 *proto, int *offset) 9859790cf20SVladimir Oltean { 9869790cf20SVladimir Oltean #if IS_ENABLED(CONFIG_NET_DSA) 9879790cf20SVladimir Oltean const struct dsa_device_ops *ops = skb->dev->dsa_ptr->tag_ops; 9884e500251SVladimir Oltean int tag_len = ops->needed_headroom; 9899790cf20SVladimir Oltean 9909790cf20SVladimir Oltean *offset = tag_len; 9919790cf20SVladimir Oltean *proto = ((__be16 *)skb->data)[(tag_len / 2) - 1]; 9929790cf20SVladimir Oltean #endif 9939790cf20SVladimir Oltean } 9949790cf20SVladimir Oltean 9954cfab356SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 9964cfab356SFlorian Fainelli static inline int __dsa_netdevice_ops_check(struct net_device *dev) 9974cfab356SFlorian Fainelli { 9984cfab356SFlorian Fainelli int err = -EOPNOTSUPP; 9994cfab356SFlorian Fainelli 10004cfab356SFlorian Fainelli if (!dev->dsa_ptr) 10014cfab356SFlorian Fainelli return err; 10024cfab356SFlorian Fainelli 10034cfab356SFlorian Fainelli if (!dev->dsa_ptr->netdev_ops) 10044cfab356SFlorian Fainelli return err; 10054cfab356SFlorian Fainelli 10064cfab356SFlorian Fainelli return 0; 10074cfab356SFlorian Fainelli } 10084cfab356SFlorian Fainelli 10094cfab356SFlorian Fainelli static inline int dsa_ndo_do_ioctl(struct net_device *dev, struct ifreq *ifr, 10104cfab356SFlorian Fainelli int cmd) 10114cfab356SFlorian Fainelli { 10124cfab356SFlorian Fainelli const struct dsa_netdevice_ops *ops; 10134cfab356SFlorian Fainelli int err; 10144cfab356SFlorian Fainelli 10154cfab356SFlorian Fainelli err = __dsa_netdevice_ops_check(dev); 10164cfab356SFlorian Fainelli if (err) 10174cfab356SFlorian Fainelli return err; 10184cfab356SFlorian Fainelli 10194cfab356SFlorian Fainelli ops = dev->dsa_ptr->netdev_ops; 10204cfab356SFlorian Fainelli 10214cfab356SFlorian Fainelli return ops->ndo_do_ioctl(dev, ifr, cmd); 10224cfab356SFlorian Fainelli } 10234cfab356SFlorian Fainelli #else 10244cfab356SFlorian Fainelli static inline int dsa_ndo_do_ioctl(struct net_device *dev, struct ifreq *ifr, 10254cfab356SFlorian Fainelli int cmd) 10264cfab356SFlorian Fainelli { 10274cfab356SFlorian Fainelli return -EOPNOTSUPP; 10284cfab356SFlorian Fainelli } 10294cfab356SFlorian Fainelli #endif 10304cfab356SFlorian Fainelli 103183c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 103223c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 10333b7bc1f0SVladimir Oltean struct dsa_switch *dsa_switch_find(int tree_index, int sw_index); 1034ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 1035ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 1036ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 1037ea825e70SFlorian Fainelli #else 1038ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 1039ea825e70SFlorian Fainelli { 1040ea825e70SFlorian Fainelli return 0; 1041ea825e70SFlorian Fainelli } 1042ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 1043ea825e70SFlorian Fainelli { 1044ea825e70SFlorian Fainelli return 0; 1045ea825e70SFlorian Fainelli } 1046ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 1047ea825e70SFlorian Fainelli 104860724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 1049a5e3c9baSVladimir Oltean bool dsa_slave_dev_check(const struct net_device *dev); 105060724d4bSFlorian Fainelli #else 1051a5e3c9baSVladimir Oltean static inline bool dsa_slave_dev_check(const struct net_device *dev) 1052a5e3c9baSVladimir Oltean { 1053a5e3c9baSVladimir Oltean return false; 1054a5e3c9baSVladimir Oltean } 105560724d4bSFlorian Fainelli #endif 105660724d4bSFlorian Fainelli 105797a69a0dSVladimir Oltean netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev); 1058cf963573SFlorian Fainelli int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data); 1059cf963573SFlorian Fainelli int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); 1060cf963573SFlorian Fainelli int dsa_port_get_phy_sset_count(struct dsa_port *dp); 106111d8f3ddSFlorian Fainelli void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); 1062cf963573SFlorian Fainelli 1063d3b8c049SAndrew Lunn struct dsa_tag_driver { 1064d3b8c049SAndrew Lunn const struct dsa_device_ops *ops; 1065d3b8c049SAndrew Lunn struct list_head list; 1066d3b8c049SAndrew Lunn struct module *owner; 1067d3b8c049SAndrew Lunn }; 1068d3b8c049SAndrew Lunn 1069d3b8c049SAndrew Lunn void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[], 1070d3b8c049SAndrew Lunn unsigned int count, 1071d3b8c049SAndrew Lunn struct module *owner); 1072d3b8c049SAndrew Lunn void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[], 1073d3b8c049SAndrew Lunn unsigned int count); 1074d3b8c049SAndrew Lunn 1075d3b8c049SAndrew Lunn #define dsa_tag_driver_module_drivers(__dsa_tag_drivers_array, __count) \ 1076d3b8c049SAndrew Lunn static int __init dsa_tag_driver_module_init(void) \ 1077d3b8c049SAndrew Lunn { \ 1078d3b8c049SAndrew Lunn dsa_tag_drivers_register(__dsa_tag_drivers_array, __count, \ 1079d3b8c049SAndrew Lunn THIS_MODULE); \ 1080d3b8c049SAndrew Lunn return 0; \ 1081d3b8c049SAndrew Lunn } \ 1082d3b8c049SAndrew Lunn module_init(dsa_tag_driver_module_init); \ 1083d3b8c049SAndrew Lunn \ 1084d3b8c049SAndrew Lunn static void __exit dsa_tag_driver_module_exit(void) \ 1085d3b8c049SAndrew Lunn { \ 1086d3b8c049SAndrew Lunn dsa_tag_drivers_unregister(__dsa_tag_drivers_array, __count); \ 1087d3b8c049SAndrew Lunn } \ 1088d3b8c049SAndrew Lunn module_exit(dsa_tag_driver_module_exit) 1089d3b8c049SAndrew Lunn 1090d3b8c049SAndrew Lunn /** 1091d3b8c049SAndrew Lunn * module_dsa_tag_drivers() - Helper macro for registering DSA tag 1092d3b8c049SAndrew Lunn * drivers 1093d3b8c049SAndrew Lunn * @__ops_array: Array of tag driver strucutres 1094d3b8c049SAndrew Lunn * 1095d3b8c049SAndrew Lunn * Helper macro for DSA tag drivers which do not do anything special 1096d3b8c049SAndrew Lunn * in module init/exit. Each module may only use this macro once, and 1097d3b8c049SAndrew Lunn * calling it replaces module_init() and module_exit(). 1098d3b8c049SAndrew Lunn */ 1099d3b8c049SAndrew Lunn #define module_dsa_tag_drivers(__ops_array) \ 1100d3b8c049SAndrew Lunn dsa_tag_driver_module_drivers(__ops_array, ARRAY_SIZE(__ops_array)) 1101d3b8c049SAndrew Lunn 1102d3b8c049SAndrew Lunn #define DSA_TAG_DRIVER_NAME(__ops) dsa_tag_driver ## _ ## __ops 1103d3b8c049SAndrew Lunn 1104d3b8c049SAndrew Lunn /* Create a static structure we can build a linked list of dsa_tag 1105d3b8c049SAndrew Lunn * drivers 1106d3b8c049SAndrew Lunn */ 1107d3b8c049SAndrew Lunn #define DSA_TAG_DRIVER(__ops) \ 1108d3b8c049SAndrew Lunn static struct dsa_tag_driver DSA_TAG_DRIVER_NAME(__ops) = { \ 1109d3b8c049SAndrew Lunn .ops = &__ops, \ 1110d3b8c049SAndrew Lunn } 1111d3b8c049SAndrew Lunn 1112d3b8c049SAndrew Lunn /** 1113d3b8c049SAndrew Lunn * module_dsa_tag_driver() - Helper macro for registering a single DSA tag 1114d3b8c049SAndrew Lunn * driver 1115d3b8c049SAndrew Lunn * @__ops: Single tag driver structures 1116d3b8c049SAndrew Lunn * 1117d3b8c049SAndrew Lunn * Helper macro for DSA tag drivers which do not do anything special 1118d3b8c049SAndrew Lunn * in module init/exit. Each module may only use this macro once, and 1119d3b8c049SAndrew Lunn * calling it replaces module_init() and module_exit(). 1120d3b8c049SAndrew Lunn */ 1121d3b8c049SAndrew Lunn #define module_dsa_tag_driver(__ops) \ 1122d3b8c049SAndrew Lunn DSA_TAG_DRIVER(__ops); \ 1123d3b8c049SAndrew Lunn \ 1124d3b8c049SAndrew Lunn static struct dsa_tag_driver *dsa_tag_driver_array[] = { \ 1125d3b8c049SAndrew Lunn &DSA_TAG_DRIVER_NAME(__ops) \ 1126d3b8c049SAndrew Lunn }; \ 1127d3b8c049SAndrew Lunn module_dsa_tag_drivers(dsa_tag_driver_array) 112891da11f8SLennert Buytenhek #endif 1129d3b8c049SAndrew Lunn 1130