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 8290af1059SBrandon Streiff struct dsa_switch; 833e8a72d1SFlorian Fainelli 8468277a2cSJohn Crispin struct dsa_device_ops { 8568277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 8629a097b7SVladimir Oltean struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); 872e8cb1b3SVladimir Oltean void (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 88598a9680SJohn Crispin int *offset); 894e500251SVladimir Oltean unsigned int needed_headroom; 904e500251SVladimir Oltean unsigned int needed_tailroom; 91875138f8SAndrew Lunn const char *name; 92056eed2fSAndrew Lunn enum dsa_tag_protocol proto; 93c3975400SVladimir Oltean /* Some tagging protocols either mangle or shift the destination MAC 94c3975400SVladimir Oltean * address, in which case the DSA master would drop packets on ingress 95c3975400SVladimir Oltean * if what it understands out of the destination MAC address is not in 96c3975400SVladimir Oltean * its RX filter. 97c3975400SVladimir Oltean */ 98c3975400SVladimir Oltean bool promisc_on_master; 9968277a2cSJohn Crispin }; 10068277a2cSJohn Crispin 1014cfab356SFlorian Fainelli /* This structure defines the control interfaces that are overlayed by the 1024cfab356SFlorian Fainelli * DSA layer on top of the DSA CPU/management net_device instance. This is 1034cfab356SFlorian Fainelli * used by the core net_device layer while calling various net_device_ops 1044cfab356SFlorian Fainelli * function pointers. 1054cfab356SFlorian Fainelli */ 1064cfab356SFlorian Fainelli struct dsa_netdevice_ops { 107a7605370SArnd Bergmann int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, 1084cfab356SFlorian Fainelli int cmd); 1094cfab356SFlorian Fainelli }; 1104cfab356SFlorian Fainelli 1110b42f033SAndrew Lunn #define DSA_TAG_DRIVER_ALIAS "dsa_tag-" 1120b42f033SAndrew Lunn #define MODULE_ALIAS_DSA_TAG_DRIVER(__proto) \ 1130b42f033SAndrew Lunn MODULE_ALIAS(DSA_TAG_DRIVER_ALIAS __stringify(__proto##_VALUE)) 1140b42f033SAndrew Lunn 115cf50dcc2SBen Hutchings struct dsa_switch_tree { 11683c0afaeSAndrew Lunn struct list_head list; 11783c0afaeSAndrew Lunn 118f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 119f515f192SVivien Didelot struct raw_notifier_head nh; 120f515f192SVivien Didelot 12183c0afaeSAndrew Lunn /* Tree identifier */ 12249463b7fSVivien Didelot unsigned int index; 12383c0afaeSAndrew Lunn 12483c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 12583c0afaeSAndrew Lunn struct kref refcount; 12683c0afaeSAndrew Lunn 12783c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 128ec15dd42SVivien Didelot bool setup; 12983c0afaeSAndrew Lunn 130357f203bSVladimir Oltean /* Tagging protocol operations */ 131357f203bSVladimir Oltean const struct dsa_device_ops *tag_ops; 132357f203bSVladimir Oltean 133deff7107STobias Waldekranz /* Default tagging protocol preferred by the switches in this 134deff7107STobias Waldekranz * tree. 135deff7107STobias Waldekranz */ 136deff7107STobias Waldekranz enum dsa_tag_protocol default_proto; 137deff7107STobias Waldekranz 138cf50dcc2SBen Hutchings /* 139cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 140cf50dcc2SBen Hutchings * this dsa switch tree instance. 141cf50dcc2SBen Hutchings */ 142cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 143cf85d08fSLennert Buytenhek 144ab8ccae1SVivien Didelot /* List of switch ports */ 145ab8ccae1SVivien Didelot struct list_head ports; 146ab8ccae1SVivien Didelot 147c5f51765SVivien Didelot /* List of DSA links composing the routing table */ 148c5f51765SVivien Didelot struct list_head rtable; 149058102a6STobias Waldekranz 150058102a6STobias Waldekranz /* Maps offloaded LAG netdevs to a zero-based linear ID for 151058102a6STobias Waldekranz * drivers that need it. 152058102a6STobias Waldekranz */ 153058102a6STobias Waldekranz struct net_device **lags; 154058102a6STobias Waldekranz unsigned int lags_len; 1555b22d366SVladimir Oltean 1565b22d366SVladimir Oltean /* Track the largest switch index within a tree */ 1575b22d366SVladimir Oltean unsigned int last_switch; 158123abc06SVladimir Oltean 159123abc06SVladimir Oltean /* Track the bridges with forwarding offload enabled */ 160123abc06SVladimir Oltean unsigned long fwd_offloading_bridges; 161cf50dcc2SBen Hutchings }; 162cf50dcc2SBen Hutchings 163058102a6STobias Waldekranz #define dsa_lags_foreach_id(_id, _dst) \ 164058102a6STobias Waldekranz for ((_id) = 0; (_id) < (_dst)->lags_len; (_id)++) \ 165058102a6STobias Waldekranz if ((_dst)->lags[(_id)]) 166058102a6STobias Waldekranz 167058102a6STobias Waldekranz #define dsa_lag_foreach_port(_dp, _dst, _lag) \ 168058102a6STobias Waldekranz list_for_each_entry((_dp), &(_dst)->ports, list) \ 169058102a6STobias Waldekranz if ((_dp)->lag_dev == (_lag)) 170058102a6STobias Waldekranz 17118596f50SGeorge McCollister #define dsa_hsr_foreach_port(_dp, _ds, _hsr) \ 17218596f50SGeorge McCollister list_for_each_entry((_dp), &(_ds)->dst->ports, list) \ 17318596f50SGeorge McCollister if ((_dp)->ds == (_ds) && (_dp)->hsr_dev == (_hsr)) 17418596f50SGeorge McCollister 175058102a6STobias Waldekranz static inline struct net_device *dsa_lag_dev(struct dsa_switch_tree *dst, 176058102a6STobias Waldekranz unsigned int id) 177058102a6STobias Waldekranz { 178058102a6STobias Waldekranz return dst->lags[id]; 179058102a6STobias Waldekranz } 180058102a6STobias Waldekranz 181058102a6STobias Waldekranz static inline int dsa_lag_id(struct dsa_switch_tree *dst, 182058102a6STobias Waldekranz struct net_device *lag) 183058102a6STobias Waldekranz { 184058102a6STobias Waldekranz unsigned int id; 185058102a6STobias Waldekranz 186058102a6STobias Waldekranz dsa_lags_foreach_id(id, dst) { 187058102a6STobias Waldekranz if (dsa_lag_dev(dst, id) == lag) 188058102a6STobias Waldekranz return id; 189058102a6STobias Waldekranz } 190058102a6STobias Waldekranz 191058102a6STobias Waldekranz return -ENODEV; 192058102a6STobias Waldekranz } 193058102a6STobias Waldekranz 19434297176SVladimir Oltean /* TC matchall action types */ 195f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 196f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 19734297176SVladimir Oltean DSA_PORT_MALL_POLICER, 198f50f2127SFlorian Fainelli }; 199f50f2127SFlorian Fainelli 200f50f2127SFlorian Fainelli /* TC mirroring entry */ 201f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 202f50f2127SFlorian Fainelli u8 to_local_port; 203f50f2127SFlorian Fainelli bool ingress; 204f50f2127SFlorian Fainelli }; 205f50f2127SFlorian Fainelli 20634297176SVladimir Oltean /* TC port policer entry */ 20734297176SVladimir Oltean struct dsa_mall_policer_tc_entry { 2085f035af7SPo Liu u32 burst; 20934297176SVladimir Oltean u64 rate_bytes_per_sec; 21034297176SVladimir Oltean }; 21134297176SVladimir Oltean 212f50f2127SFlorian Fainelli /* TC matchall entry */ 213f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 214f50f2127SFlorian Fainelli struct list_head list; 215f50f2127SFlorian Fainelli unsigned long cookie; 216f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 217f50f2127SFlorian Fainelli union { 218f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 21934297176SVladimir Oltean struct dsa_mall_policer_tc_entry policer; 220f50f2127SFlorian Fainelli }; 221f50f2127SFlorian Fainelli }; 222f50f2127SFlorian Fainelli 223f50f2127SFlorian Fainelli 224c8b09808SAndrew Lunn struct dsa_port { 225f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 226f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 227f8b8b1cdSVivien Didelot */ 228f8b8b1cdSVivien Didelot union { 229f8b8b1cdSVivien Didelot struct net_device *master; 230f8b8b1cdSVivien Didelot struct net_device *slave; 231f8b8b1cdSVivien Didelot }; 232f8b8b1cdSVivien Didelot 233357f203bSVladimir Oltean /* Copy of the tagging protocol operations, for quicker access 234357f203bSVladimir Oltean * in the data path. Valid only for the CPU ports. 235357f203bSVladimir Oltean */ 23615240248SVivien Didelot const struct dsa_device_ops *tag_ops; 23715240248SVivien Didelot 2383e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 2393e41f93bSVivien Didelot struct dsa_switch_tree *dst; 24029a097b7SVladimir Oltean struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); 2413e41f93bSVivien Didelot 242057cad2cSVivien Didelot enum { 243057cad2cSVivien Didelot DSA_PORT_TYPE_UNUSED = 0, 244057cad2cSVivien Didelot DSA_PORT_TYPE_CPU, 245057cad2cSVivien Didelot DSA_PORT_TYPE_DSA, 246057cad2cSVivien Didelot DSA_PORT_TYPE_USER, 247057cad2cSVivien Didelot } type; 248057cad2cSVivien Didelot 249818be848SVivien Didelot struct dsa_switch *ds; 250818be848SVivien Didelot unsigned int index; 25171e0bbdeSFlorian Fainelli const char *name; 25268b2d4a8SVivien Didelot struct dsa_port *cpu_dp; 25383216e39SMichael Walle u8 mac[ETH_ALEN]; 254189b0d93SAndrew Lunn struct device_node *dn; 25534a79f63SVivien Didelot unsigned int ageing_time; 25633162e9aSVladimir Oltean bool vlan_filtering; 257*045c45d1SVladimir 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 36854a0ed0dSRussell King /* Pass .port_vlan_add and .port_vlan_del to drivers even for bridges 36954a0ed0dSRussell King * that have vlan_filtering=0. All drivers should ideally set this (and 37054a0ed0dSRussell King * then the option would get removed), but it is unknown whether this 37154a0ed0dSRussell King * would break things or not. 37254a0ed0dSRussell King */ 37354a0ed0dSRussell King bool configure_vlan_while_not_filtering; 37454a0ed0dSRussell King 3751dc0408cSFlorian Fainelli /* If the switch driver always programs the CPU port as egress tagged 3761dc0408cSFlorian Fainelli * despite the VLAN configuration indicating otherwise, then setting 3771dc0408cSFlorian Fainelli * @untag_bridge_pvid will force the DSA receive path to pop the bridge's 3781dc0408cSFlorian Fainelli * default_pvid VLAN tagged frames to offer a consistent behavior 3791dc0408cSFlorian Fainelli * between a vlan_filtering=0 and vlan_filtering=1 bridge device. 3801dc0408cSFlorian Fainelli */ 3811dc0408cSFlorian Fainelli bool untag_bridge_pvid; 3821dc0408cSFlorian Fainelli 383d5f19486SVladimir Oltean /* Let DSA manage the FDB entries towards the CPU, based on the 384d5f19486SVladimir Oltean * software bridge database. 385d5f19486SVladimir Oltean */ 386d5f19486SVladimir Oltean bool assisted_learning_on_cpu_port; 387d5f19486SVladimir Oltean 38814574676SVladimir Oltean /* In case vlan_filtering_is_global is set, the VLAN awareness state 38914574676SVladimir Oltean * should be retrieved from here and not from the per-port settings. 39014574676SVladimir Oltean */ 39114574676SVladimir Oltean bool vlan_filtering; 39214574676SVladimir Oltean 393787cac3fSVladimir Oltean /* MAC PCS does not provide link state change interrupt, and requires 394787cac3fSVladimir Oltean * polling. Flag passed on to PHYLINK. 395787cac3fSVladimir Oltean */ 396787cac3fSVladimir Oltean bool pcs_poll; 397787cac3fSVladimir Oltean 398bff33f7eSVladimir Oltean /* For switches that only have the MRU configurable. To ensure the 399bff33f7eSVladimir Oltean * configured MTU is not exceeded, normalization of MRU on all bridged 400bff33f7eSVladimir Oltean * interfaces is needed. 401bff33f7eSVladimir Oltean */ 402bff33f7eSVladimir Oltean bool mtu_enforcement_ingress; 403bff33f7eSVladimir Oltean 404058102a6STobias Waldekranz /* Drivers that benefit from having an ID associated with each 405058102a6STobias Waldekranz * offloaded LAG should set this to the maximum number of 406058102a6STobias Waldekranz * supported IDs. DSA will then maintain a mapping of _at 407058102a6STobias Waldekranz * least_ these many IDs, accessible to drivers via 408058102a6STobias Waldekranz * dsa_lag_id(). 409058102a6STobias Waldekranz */ 410058102a6STobias Waldekranz unsigned int num_lag_ids; 411058102a6STobias Waldekranz 412123abc06SVladimir Oltean /* Drivers that support bridge forwarding offload should set this to 413123abc06SVladimir Oltean * the maximum number of bridges spanning the same switch tree that can 414123abc06SVladimir Oltean * be offloaded. 415123abc06SVladimir Oltean */ 416123abc06SVladimir Oltean unsigned int num_fwd_offloading_bridges; 417123abc06SVladimir Oltean 418a0c02161SVivien Didelot size_t num_ports; 419c8f0b869SBen Hutchings }; 420c8f0b869SBen Hutchings 42168bb8ea8SVivien Didelot static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) 422c38c5a66SVivien Didelot { 423b96ddf25SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 424d607525bSVivien Didelot struct dsa_port *dp; 425b96ddf25SVivien Didelot 426b96ddf25SVivien Didelot list_for_each_entry(dp, &dst->ports, list) 427b96ddf25SVivien Didelot if (dp->ds == ds && dp->index == p) 428b96ddf25SVivien Didelot return dp; 429d607525bSVivien Didelot 430d607525bSVivien Didelot return NULL; 431c38c5a66SVivien Didelot } 432c38c5a66SVivien Didelot 433a8986681SVladimir Oltean static inline bool dsa_port_is_dsa(struct dsa_port *port) 434a8986681SVladimir Oltean { 435a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_DSA; 436a8986681SVladimir Oltean } 437a8986681SVladimir Oltean 438a8986681SVladimir Oltean static inline bool dsa_port_is_cpu(struct dsa_port *port) 439a8986681SVladimir Oltean { 440a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_CPU; 441a8986681SVladimir Oltean } 442a8986681SVladimir Oltean 443a8986681SVladimir Oltean static inline bool dsa_port_is_user(struct dsa_port *dp) 444a8986681SVladimir Oltean { 445a8986681SVladimir Oltean return dp->type == DSA_PORT_TYPE_USER; 446a8986681SVladimir Oltean } 447a8986681SVladimir Oltean 448bff7b688SVivien Didelot static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) 449bff7b688SVivien Didelot { 450c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; 451bff7b688SVivien Didelot } 452bff7b688SVivien Didelot 453c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 454c8f0b869SBen Hutchings { 455c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; 456c8f0b869SBen Hutchings } 457c8f0b869SBen Hutchings 45860045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 45960045cbfSAndrew Lunn { 460c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; 46160045cbfSAndrew Lunn } 46260045cbfSAndrew Lunn 4632b3e9891SVivien Didelot static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) 4646cd456f3SVivien Didelot { 465c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; 4666cd456f3SVivien Didelot } 4676cd456f3SVivien Didelot 46802bc6e54SVivien Didelot static inline u32 dsa_user_ports(struct dsa_switch *ds) 46902bc6e54SVivien Didelot { 470c38c5a66SVivien Didelot u32 mask = 0; 471c38c5a66SVivien Didelot int p; 47202bc6e54SVivien Didelot 473c38c5a66SVivien Didelot for (p = 0; p < ds->num_ports; p++) 474c38c5a66SVivien Didelot if (dsa_is_user_port(ds, p)) 475c38c5a66SVivien Didelot mask |= BIT(p); 476c38c5a66SVivien Didelot 477c38c5a66SVivien Didelot return mask; 478c8652c83SVivien Didelot } 479c8652c83SVivien Didelot 480c5f51765SVivien Didelot /* Return the local port used to reach an arbitrary switch device */ 481c5f51765SVivien Didelot static inline unsigned int dsa_routing_port(struct dsa_switch *ds, int device) 482c5f51765SVivien Didelot { 483c5f51765SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 484c5f51765SVivien Didelot struct dsa_link *dl; 485c5f51765SVivien Didelot 486c5f51765SVivien Didelot list_for_each_entry(dl, &dst->rtable, list) 487c5f51765SVivien Didelot if (dl->dp->ds == ds && dl->link_dp->ds->index == device) 488c5f51765SVivien Didelot return dl->dp->index; 489c5f51765SVivien Didelot 490c5f51765SVivien Didelot return ds->num_ports; 491c5f51765SVivien Didelot } 492c5f51765SVivien Didelot 4933b8fac5dSVivien Didelot /* Return the local port used to reach an arbitrary switch port */ 4943b8fac5dSVivien Didelot static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, 4953b8fac5dSVivien Didelot int port) 4963b8fac5dSVivien Didelot { 4973b8fac5dSVivien Didelot if (device == ds->index) 4983b8fac5dSVivien Didelot return port; 4993b8fac5dSVivien Didelot else 500c5f51765SVivien Didelot return dsa_routing_port(ds, device); 5013b8fac5dSVivien Didelot } 5023b8fac5dSVivien Didelot 5033b8fac5dSVivien Didelot /* Return the local port used to reach the dedicated CPU port */ 50407073c79SVivien Didelot static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) 505c8f0b869SBen Hutchings { 50607073c79SVivien Didelot const struct dsa_port *dp = dsa_to_port(ds, port); 50707073c79SVivien Didelot const struct dsa_port *cpu_dp = dp->cpu_dp; 50807073c79SVivien Didelot 50907073c79SVivien Didelot if (!cpu_dp) 51007073c79SVivien Didelot return port; 511c8f0b869SBen Hutchings 5123b8fac5dSVivien Didelot return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); 513c8f0b869SBen Hutchings } 514c8f0b869SBen Hutchings 51563609c8fSVladimir Oltean /* Return true if this is the local port used to reach the CPU port */ 51663609c8fSVladimir Oltean static inline bool dsa_is_upstream_port(struct dsa_switch *ds, int port) 51763609c8fSVladimir Oltean { 51863609c8fSVladimir Oltean if (dsa_is_unused_port(ds, port)) 51963609c8fSVladimir Oltean return false; 52063609c8fSVladimir Oltean 52163609c8fSVladimir Oltean return port == dsa_upstream_port(ds, port); 52263609c8fSVladimir Oltean } 52363609c8fSVladimir Oltean 52463609c8fSVladimir Oltean /* Return true if @upstream_ds is an upstream switch of @downstream_ds, meaning 52563609c8fSVladimir Oltean * that the routing port from @downstream_ds to @upstream_ds is also the port 52663609c8fSVladimir Oltean * which @downstream_ds uses to reach its dedicated CPU. 52763609c8fSVladimir Oltean */ 52863609c8fSVladimir Oltean static inline bool dsa_switch_is_upstream_of(struct dsa_switch *upstream_ds, 52963609c8fSVladimir Oltean struct dsa_switch *downstream_ds) 53063609c8fSVladimir Oltean { 53163609c8fSVladimir Oltean int routing_port; 53263609c8fSVladimir Oltean 53363609c8fSVladimir Oltean if (upstream_ds == downstream_ds) 53463609c8fSVladimir Oltean return true; 53563609c8fSVladimir Oltean 53663609c8fSVladimir Oltean routing_port = dsa_routing_port(downstream_ds, upstream_ds->index); 53763609c8fSVladimir Oltean 53863609c8fSVladimir Oltean return dsa_is_upstream_port(downstream_ds, routing_port); 53963609c8fSVladimir Oltean } 54063609c8fSVladimir Oltean 541cf2d45f5SVladimir Oltean static inline bool dsa_port_is_vlan_filtering(const struct dsa_port *dp) 542cf2d45f5SVladimir Oltean { 543cf2d45f5SVladimir Oltean const struct dsa_switch *ds = dp->ds; 544cf2d45f5SVladimir Oltean 545cf2d45f5SVladimir Oltean if (ds->vlan_filtering_is_global) 546cf2d45f5SVladimir Oltean return ds->vlan_filtering; 547cf2d45f5SVladimir Oltean else 548cf2d45f5SVladimir Oltean return dp->vlan_filtering; 549cf2d45f5SVladimir Oltean } 550cf2d45f5SVladimir Oltean 551cc76ce9eSTobias Waldekranz static inline 552cc76ce9eSTobias Waldekranz struct net_device *dsa_port_to_bridge_port(const struct dsa_port *dp) 553cc76ce9eSTobias Waldekranz { 554cc76ce9eSTobias Waldekranz if (!dp->bridge_dev) 555cc76ce9eSTobias Waldekranz return NULL; 556cc76ce9eSTobias Waldekranz 557cc76ce9eSTobias Waldekranz if (dp->lag_dev) 558cc76ce9eSTobias Waldekranz return dp->lag_dev; 559cc76ce9eSTobias Waldekranz else if (dp->hsr_dev) 560cc76ce9eSTobias Waldekranz return dp->hsr_dev; 561cc76ce9eSTobias Waldekranz 562cc76ce9eSTobias Waldekranz return dp->slave; 563cc76ce9eSTobias Waldekranz } 564cc76ce9eSTobias Waldekranz 5652bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 5662bedde1aSArkadi Sharshevsky bool is_static, void *data); 5679d490b4eSVivien Didelot struct dsa_switch_ops { 56853da0ebaSVladimir Oltean /* 56953da0ebaSVladimir Oltean * Tagging protocol helpers called for the CPU ports and DSA links. 57053da0ebaSVladimir Oltean * @get_tag_protocol retrieves the initial tagging protocol and is 57153da0ebaSVladimir Oltean * mandatory. Switches which can operate using multiple tagging 57253da0ebaSVladimir Oltean * protocols should implement @change_tag_protocol and report in 57353da0ebaSVladimir Oltean * @get_tag_protocol the tagger in current use. 57453da0ebaSVladimir Oltean */ 5755ed4e3ebSFlorian Fainelli enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, 5764d776482SFlorian Fainelli int port, 5774d776482SFlorian Fainelli enum dsa_tag_protocol mprot); 57853da0ebaSVladimir Oltean int (*change_tag_protocol)(struct dsa_switch *ds, int port, 57953da0ebaSVladimir Oltean enum dsa_tag_protocol proto); 5807b314362SAndrew Lunn 581c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 5825e3f847aSVladimir Oltean void (*teardown)(struct dsa_switch *ds); 5836819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 584c8f0b869SBen Hutchings 585c8f0b869SBen Hutchings /* 586c8f0b869SBen Hutchings * Access to the switch's PHY registers. 587c8f0b869SBen Hutchings */ 588c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 589c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 590c8f0b869SBen Hutchings int regnum, u16 val); 591c8f0b869SBen Hutchings 592c8f0b869SBen Hutchings /* 593ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 594ec9436baSFlorian Fainelli */ 595ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 596ec9436baSFlorian Fainelli struct phy_device *phydev); 597ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 598ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 599ec9436baSFlorian Fainelli 600ec9436baSFlorian Fainelli /* 60111d8f3ddSFlorian Fainelli * PHYLINK integration 60211d8f3ddSFlorian Fainelli */ 60311d8f3ddSFlorian Fainelli void (*phylink_validate)(struct dsa_switch *ds, int port, 60411d8f3ddSFlorian Fainelli unsigned long *supported, 60511d8f3ddSFlorian Fainelli struct phylink_link_state *state); 60611d8f3ddSFlorian Fainelli int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, 60711d8f3ddSFlorian Fainelli struct phylink_link_state *state); 60811d8f3ddSFlorian Fainelli void (*phylink_mac_config)(struct dsa_switch *ds, int port, 60911d8f3ddSFlorian Fainelli unsigned int mode, 61011d8f3ddSFlorian Fainelli const struct phylink_link_state *state); 61111d8f3ddSFlorian Fainelli void (*phylink_mac_an_restart)(struct dsa_switch *ds, int port); 61211d8f3ddSFlorian Fainelli void (*phylink_mac_link_down)(struct dsa_switch *ds, int port, 61311d8f3ddSFlorian Fainelli unsigned int mode, 61411d8f3ddSFlorian Fainelli phy_interface_t interface); 61511d8f3ddSFlorian Fainelli void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, 61611d8f3ddSFlorian Fainelli unsigned int mode, 61711d8f3ddSFlorian Fainelli phy_interface_t interface, 6185b502a7bSRussell King struct phy_device *phydev, 6195b502a7bSRussell King int speed, int duplex, 6205b502a7bSRussell King bool tx_pause, bool rx_pause); 62111d8f3ddSFlorian Fainelli void (*phylink_fixed_state)(struct dsa_switch *ds, int port, 62211d8f3ddSFlorian Fainelli struct phylink_link_state *state); 62311d8f3ddSFlorian Fainelli /* 624c2ec5f2eSOleksij Rempel * Port statistics counters. 625c8f0b869SBen Hutchings */ 62689f09048SFlorian Fainelli void (*get_strings)(struct dsa_switch *ds, int port, 62789f09048SFlorian Fainelli u32 stringset, uint8_t *data); 628c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 629c8f0b869SBen Hutchings int port, uint64_t *data); 63089f09048SFlorian Fainelli int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); 631cf963573SFlorian Fainelli void (*get_ethtool_phy_stats)(struct dsa_switch *ds, 632cf963573SFlorian Fainelli int port, uint64_t *data); 633c2ec5f2eSOleksij Rempel void (*get_stats64)(struct dsa_switch *ds, int port, 634c2ec5f2eSOleksij Rempel struct rtnl_link_stats64 *s); 635a71acad9SOleksij Rempel void (*self_test)(struct dsa_switch *ds, int port, 636a71acad9SOleksij Rempel struct ethtool_test *etest, u64 *data); 63724462549SFlorian Fainelli 63824462549SFlorian Fainelli /* 63919e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 64019e57c4eSFlorian Fainelli */ 64119e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 64219e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 64319e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 64419e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 64519e57c4eSFlorian Fainelli 64619e57c4eSFlorian Fainelli /* 6470336369dSBrandon Streiff * ethtool timestamp info 6480336369dSBrandon Streiff */ 6490336369dSBrandon Streiff int (*get_ts_info)(struct dsa_switch *ds, int port, 6500336369dSBrandon Streiff struct ethtool_ts_info *ts); 6510336369dSBrandon Streiff 6520336369dSBrandon Streiff /* 65324462549SFlorian Fainelli * Suspend and resume 65424462549SFlorian Fainelli */ 65524462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 65624462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 657b2f2af21SFlorian Fainelli 658b2f2af21SFlorian Fainelli /* 659b2f2af21SFlorian Fainelli * Port enable/disable 660b2f2af21SFlorian Fainelli */ 661b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 662b2f2af21SFlorian Fainelli struct phy_device *phy); 66375104db0SAndrew Lunn void (*port_disable)(struct dsa_switch *ds, int port); 6647905288fSFlorian Fainelli 6657905288fSFlorian Fainelli /* 66608f50061SVivien Didelot * Port's MAC EEE settings 6677905288fSFlorian Fainelli */ 66808f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 6697905288fSFlorian Fainelli struct ethtool_eee *e); 67008f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 6717905288fSFlorian Fainelli struct ethtool_eee *e); 67251579c3fSGuenter Roeck 6736793abb4SGuenter Roeck /* EEPROM access */ 6746793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 6756793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 6766793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 6776793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 6786793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 6793d762a0fSGuenter Roeck 6803d762a0fSGuenter Roeck /* 6813d762a0fSGuenter Roeck * Register access. 6823d762a0fSGuenter Roeck */ 6833d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 6843d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 6853d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 686b73adef6SFlorian Fainelli 687b73adef6SFlorian Fainelli /* 688e358bef7SVladimir Oltean * Upper device tracking. 689e358bef7SVladimir Oltean */ 690e358bef7SVladimir Oltean int (*port_prechangeupper)(struct dsa_switch *ds, int port, 691e358bef7SVladimir Oltean struct netdev_notifier_changeupper_info *info); 692e358bef7SVladimir Oltean 693e358bef7SVladimir Oltean /* 694b73adef6SFlorian Fainelli * Bridge integration 695b73adef6SFlorian Fainelli */ 69634a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 69771327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 698a6692754SVivien Didelot struct net_device *bridge); 699f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 700f123f2fbSVivien Didelot struct net_device *bridge); 701123abc06SVladimir Oltean /* Called right after .port_bridge_join() */ 702123abc06SVladimir Oltean int (*port_bridge_tx_fwd_offload)(struct dsa_switch *ds, int port, 703123abc06SVladimir Oltean struct net_device *bridge, 704123abc06SVladimir Oltean int bridge_num); 705123abc06SVladimir Oltean /* Called right before .port_bridge_leave() */ 706123abc06SVladimir Oltean void (*port_bridge_tx_fwd_unoffload)(struct dsa_switch *ds, int port, 707123abc06SVladimir Oltean struct net_device *bridge, 708123abc06SVladimir Oltean int bridge_num); 70943c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 710b73adef6SFlorian Fainelli u8 state); 711732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 712a8b659e7SVladimir Oltean int (*port_pre_bridge_flags)(struct dsa_switch *ds, int port, 713a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 714a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 715a8b659e7SVladimir Oltean int (*port_bridge_flags)(struct dsa_switch *ds, int port, 716a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 717a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 7182a778e1bSVivien Didelot 7192a778e1bSVivien Didelot /* 72011149536SVivien Didelot * VLAN support 72111149536SVivien Didelot */ 722fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 72389153ed6SVladimir Oltean bool vlan_filtering, 72489153ed6SVladimir Oltean struct netlink_ext_ack *extack); 7251958d581SVladimir Oltean int (*port_vlan_add)(struct dsa_switch *ds, int port, 72631046a5fSVladimir Oltean const struct switchdev_obj_port_vlan *vlan, 72731046a5fSVladimir Oltean struct netlink_ext_ack *extack); 72876e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 72976e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 73011149536SVivien Didelot /* 7312a778e1bSVivien Didelot * Forwarding database 7322a778e1bSVivien Didelot */ 7331b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 7346c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 7352a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 7366c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 737ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 7382bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 7398df30255SVivien Didelot 7408df30255SVivien Didelot /* 7418df30255SVivien Didelot * Multicast database 7428df30255SVivien Didelot */ 743a52b2da7SVladimir Oltean int (*port_mdb_add)(struct dsa_switch *ds, int port, 7443709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 7458df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 7468df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 747bf9f2648SFlorian Fainelli /* 748bf9f2648SFlorian Fainelli * RXNFC 749bf9f2648SFlorian Fainelli */ 750bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 751bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 752bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 753bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 754f50f2127SFlorian Fainelli 755f50f2127SFlorian Fainelli /* 756f50f2127SFlorian Fainelli * TC integration 757f50f2127SFlorian Fainelli */ 758ed11bb1fSVladimir Oltean int (*cls_flower_add)(struct dsa_switch *ds, int port, 759ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 760ed11bb1fSVladimir Oltean int (*cls_flower_del)(struct dsa_switch *ds, int port, 761ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 762ed11bb1fSVladimir Oltean int (*cls_flower_stats)(struct dsa_switch *ds, int port, 763ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 764f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 765f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 766f50f2127SFlorian Fainelli bool ingress); 767f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 768f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 76934297176SVladimir Oltean int (*port_policer_add)(struct dsa_switch *ds, int port, 77034297176SVladimir Oltean struct dsa_mall_policer_tc_entry *policer); 77134297176SVladimir Oltean void (*port_policer_del)(struct dsa_switch *ds, int port); 77247d23af2SVladimir Oltean int (*port_setup_tc)(struct dsa_switch *ds, int port, 77347d23af2SVladimir Oltean enum tc_setup_type type, void *type_data); 77440ef2c93SVivien Didelot 77540ef2c93SVivien Didelot /* 77640ef2c93SVivien Didelot * Cross-chip operations 77740ef2c93SVivien Didelot */ 778f66a6a69SVladimir Oltean int (*crosschip_bridge_join)(struct dsa_switch *ds, int tree_index, 779f66a6a69SVladimir Oltean int sw_index, int port, 780f66a6a69SVladimir Oltean struct net_device *br); 781f66a6a69SVladimir Oltean void (*crosschip_bridge_leave)(struct dsa_switch *ds, int tree_index, 782f66a6a69SVladimir Oltean int sw_index, int port, 783f66a6a69SVladimir Oltean struct net_device *br); 784058102a6STobias Waldekranz int (*crosschip_lag_change)(struct dsa_switch *ds, int sw_index, 785058102a6STobias Waldekranz int port); 786058102a6STobias Waldekranz int (*crosschip_lag_join)(struct dsa_switch *ds, int sw_index, 787058102a6STobias Waldekranz int port, struct net_device *lag, 788058102a6STobias Waldekranz struct netdev_lag_upper_info *info); 789058102a6STobias Waldekranz int (*crosschip_lag_leave)(struct dsa_switch *ds, int sw_index, 790058102a6STobias Waldekranz int port, struct net_device *lag); 7910336369dSBrandon Streiff 7920336369dSBrandon Streiff /* 7930336369dSBrandon Streiff * PTP functionality 7940336369dSBrandon Streiff */ 7950336369dSBrandon Streiff int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, 7960336369dSBrandon Streiff struct ifreq *ifr); 7970336369dSBrandon Streiff int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, 7980336369dSBrandon Streiff struct ifreq *ifr); 7995c5416f5SYangbo Lu void (*port_txtstamp)(struct dsa_switch *ds, int port, 8005c5416f5SYangbo Lu struct sk_buff *skb); 80190af1059SBrandon Streiff bool (*port_rxtstamp)(struct dsa_switch *ds, int port, 80290af1059SBrandon Streiff struct sk_buff *skb, unsigned int type); 80397a69a0dSVladimir Oltean 8040f06b855SAndrew Lunn /* Devlink parameters, etc */ 8056b297524SAndrew Lunn int (*devlink_param_get)(struct dsa_switch *ds, u32 id, 8066b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 8076b297524SAndrew Lunn int (*devlink_param_set)(struct dsa_switch *ds, u32 id, 8086b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 8090f06b855SAndrew Lunn int (*devlink_info_get)(struct dsa_switch *ds, 8100f06b855SAndrew Lunn struct devlink_info_req *req, 8110f06b855SAndrew Lunn struct netlink_ext_ack *extack); 8122a6ef763SVladimir Oltean int (*devlink_sb_pool_get)(struct dsa_switch *ds, 8132a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8142a6ef763SVladimir Oltean struct devlink_sb_pool_info *pool_info); 8152a6ef763SVladimir Oltean int (*devlink_sb_pool_set)(struct dsa_switch *ds, unsigned int sb_index, 8162a6ef763SVladimir Oltean u16 pool_index, u32 size, 8172a6ef763SVladimir Oltean enum devlink_sb_threshold_type threshold_type, 8182a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 8192a6ef763SVladimir Oltean int (*devlink_sb_port_pool_get)(struct dsa_switch *ds, int port, 8202a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8212a6ef763SVladimir Oltean u32 *p_threshold); 8222a6ef763SVladimir Oltean int (*devlink_sb_port_pool_set)(struct dsa_switch *ds, int port, 8232a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8242a6ef763SVladimir Oltean u32 threshold, 8252a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 8262a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_get)(struct dsa_switch *ds, int port, 8272a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 8282a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 8292a6ef763SVladimir Oltean u16 *p_pool_index, u32 *p_threshold); 8302a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_set)(struct dsa_switch *ds, int port, 8312a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 8322a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 8332a6ef763SVladimir Oltean u16 pool_index, u32 threshold, 8342a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 8352a6ef763SVladimir Oltean int (*devlink_sb_occ_snapshot)(struct dsa_switch *ds, 8362a6ef763SVladimir Oltean unsigned int sb_index); 8372a6ef763SVladimir Oltean int (*devlink_sb_occ_max_clear)(struct dsa_switch *ds, 8382a6ef763SVladimir Oltean unsigned int sb_index); 8392a6ef763SVladimir Oltean int (*devlink_sb_occ_port_pool_get)(struct dsa_switch *ds, int port, 8402a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 8412a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 8422a6ef763SVladimir Oltean int (*devlink_sb_occ_tc_port_bind_get)(struct dsa_switch *ds, int port, 8432a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 8442a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 8452a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 846bfcb8132SVladimir Oltean 847bfcb8132SVladimir Oltean /* 848bfcb8132SVladimir Oltean * MTU change functionality. Switches can also adjust their MRU through 849bfcb8132SVladimir Oltean * this method. By MTU, one understands the SDU (L2 payload) length. 850bfcb8132SVladimir Oltean * If the switch needs to account for the DSA tag on the CPU port, this 851ab88d64aSRandy Dunlap * method needs to do so privately. 852bfcb8132SVladimir Oltean */ 853bfcb8132SVladimir Oltean int (*port_change_mtu)(struct dsa_switch *ds, int port, 854bfcb8132SVladimir Oltean int new_mtu); 855bfcb8132SVladimir Oltean int (*port_max_mtu)(struct dsa_switch *ds, int port); 856058102a6STobias Waldekranz 857058102a6STobias Waldekranz /* 858058102a6STobias Waldekranz * LAG integration 859058102a6STobias Waldekranz */ 860058102a6STobias Waldekranz int (*port_lag_change)(struct dsa_switch *ds, int port); 861058102a6STobias Waldekranz int (*port_lag_join)(struct dsa_switch *ds, int port, 862058102a6STobias Waldekranz struct net_device *lag, 863058102a6STobias Waldekranz struct netdev_lag_upper_info *info); 864058102a6STobias Waldekranz int (*port_lag_leave)(struct dsa_switch *ds, int port, 865058102a6STobias Waldekranz struct net_device *lag); 86618596f50SGeorge McCollister 86718596f50SGeorge McCollister /* 86818596f50SGeorge McCollister * HSR integration 86918596f50SGeorge McCollister */ 87018596f50SGeorge McCollister int (*port_hsr_join)(struct dsa_switch *ds, int port, 87118596f50SGeorge McCollister struct net_device *hsr); 87218596f50SGeorge McCollister int (*port_hsr_leave)(struct dsa_switch *ds, int port, 87318596f50SGeorge McCollister struct net_device *hsr); 874c595c433SHoratiu Vultur 875c595c433SHoratiu Vultur /* 876c595c433SHoratiu Vultur * MRP integration 877c595c433SHoratiu Vultur */ 878c595c433SHoratiu Vultur int (*port_mrp_add)(struct dsa_switch *ds, int port, 879c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 880c595c433SHoratiu Vultur int (*port_mrp_del)(struct dsa_switch *ds, int port, 881c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 882c595c433SHoratiu Vultur int (*port_mrp_add_ring_role)(struct dsa_switch *ds, int port, 883c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 884c595c433SHoratiu Vultur int (*port_mrp_del_ring_role)(struct dsa_switch *ds, int port, 885c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 8865da11eb4SVladimir Oltean 8875da11eb4SVladimir Oltean /* 8885da11eb4SVladimir Oltean * tag_8021q operations 8895da11eb4SVladimir Oltean */ 8905da11eb4SVladimir Oltean int (*tag_8021q_vlan_add)(struct dsa_switch *ds, int port, u16 vid, 8915da11eb4SVladimir Oltean u16 flags); 8925da11eb4SVladimir Oltean int (*tag_8021q_vlan_del)(struct dsa_switch *ds, int port, u16 vid); 8936b297524SAndrew Lunn }; 8946b297524SAndrew Lunn 8956b297524SAndrew Lunn #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ 8966b297524SAndrew Lunn DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, \ 8976b297524SAndrew Lunn dsa_devlink_param_get, dsa_devlink_param_set, NULL) 8986b297524SAndrew Lunn 8996b297524SAndrew Lunn int dsa_devlink_param_get(struct devlink *dl, u32 id, 9006b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 9016b297524SAndrew Lunn int dsa_devlink_param_set(struct devlink *dl, u32 id, 9026b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 9036b297524SAndrew Lunn int dsa_devlink_params_register(struct dsa_switch *ds, 9046b297524SAndrew Lunn const struct devlink_param *params, 9056b297524SAndrew Lunn size_t params_count); 9066b297524SAndrew Lunn void dsa_devlink_params_unregister(struct dsa_switch *ds, 9076b297524SAndrew Lunn const struct devlink_param *params, 9086b297524SAndrew Lunn size_t params_count); 9095cd73fbdSAndrew Lunn int dsa_devlink_resource_register(struct dsa_switch *ds, 9105cd73fbdSAndrew Lunn const char *resource_name, 9115cd73fbdSAndrew Lunn u64 resource_size, 9125cd73fbdSAndrew Lunn u64 resource_id, 9135cd73fbdSAndrew Lunn u64 parent_resource_id, 9145cd73fbdSAndrew Lunn const struct devlink_resource_size_params *size_params); 9155cd73fbdSAndrew Lunn 9165cd73fbdSAndrew Lunn void dsa_devlink_resources_unregister(struct dsa_switch *ds); 9175cd73fbdSAndrew Lunn 9185cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds, 9195cd73fbdSAndrew Lunn u64 resource_id, 9205cd73fbdSAndrew Lunn devlink_resource_occ_get_t *occ_get, 9215cd73fbdSAndrew Lunn void *occ_get_priv); 9225cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds, 9235cd73fbdSAndrew Lunn u64 resource_id); 92497c82c23SAndrew Lunn struct devlink_region * 92597c82c23SAndrew Lunn dsa_devlink_region_create(struct dsa_switch *ds, 92697c82c23SAndrew Lunn const struct devlink_region_ops *ops, 92797c82c23SAndrew Lunn u32 region_max_snapshots, u64 region_size); 92808156ba4SAndrew Lunn struct devlink_region * 92908156ba4SAndrew Lunn dsa_devlink_port_region_create(struct dsa_switch *ds, 93008156ba4SAndrew Lunn int port, 93108156ba4SAndrew Lunn const struct devlink_port_region_ops *ops, 93208156ba4SAndrew Lunn u32 region_max_snapshots, u64 region_size); 93397c82c23SAndrew Lunn void dsa_devlink_region_destroy(struct devlink_region *region); 93497c82c23SAndrew Lunn 935e1eea811SVladimir Oltean struct dsa_port *dsa_port_from_netdev(struct net_device *netdev); 9365cd73fbdSAndrew Lunn 9376b297524SAndrew Lunn struct dsa_devlink_priv { 9386b297524SAndrew Lunn struct dsa_switch *ds; 939c8f0b869SBen Hutchings }; 940c8f0b869SBen Hutchings 941ccc3e6b0SAndrew Lunn static inline struct dsa_switch *dsa_devlink_to_ds(struct devlink *dl) 942ccc3e6b0SAndrew Lunn { 943ccc3e6b0SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 944ccc3e6b0SAndrew Lunn 945ccc3e6b0SAndrew Lunn return dl_priv->ds; 946ccc3e6b0SAndrew Lunn } 947ccc3e6b0SAndrew Lunn 9487d1e2a10SAndrew Lunn static inline 9497d1e2a10SAndrew Lunn struct dsa_switch *dsa_devlink_port_to_ds(struct devlink_port *port) 9507d1e2a10SAndrew Lunn { 9517d1e2a10SAndrew Lunn struct devlink *dl = port->devlink; 9527d1e2a10SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 9537d1e2a10SAndrew Lunn 9547d1e2a10SAndrew Lunn return dl_priv->ds; 9557d1e2a10SAndrew Lunn } 9567d1e2a10SAndrew Lunn 9577d1e2a10SAndrew Lunn static inline int dsa_devlink_port_to_port(struct devlink_port *port) 9587d1e2a10SAndrew Lunn { 9597d1e2a10SAndrew Lunn return port->index; 9607d1e2a10SAndrew Lunn } 9617d1e2a10SAndrew Lunn 962ab3d408dSFlorian Fainelli struct dsa_switch_driver { 963ab3d408dSFlorian Fainelli struct list_head list; 964a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 965ab3d408dSFlorian Fainelli }; 966ab3d408dSFlorian Fainelli 96714b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 968c8f0b869SBen Hutchings 96973a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 9709eb8eff0SVladimir Oltean static inline bool netdev_uses_dsa(const struct net_device *dev) 971c6e970a0SAndrew Lunn { 972c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 973717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 974c6e970a0SAndrew Lunn #endif 975c6e970a0SAndrew Lunn return false; 976c6e970a0SAndrew Lunn } 977c6e970a0SAndrew Lunn 9789790cf20SVladimir Oltean /* All DSA tags that push the EtherType to the right (basically all except tail 9799790cf20SVladimir Oltean * tags, which don't break dissection) can be treated the same from the 9809790cf20SVladimir Oltean * perspective of the flow dissector. 9819790cf20SVladimir Oltean * 9829790cf20SVladimir Oltean * We need to return: 9839790cf20SVladimir Oltean * - offset: the (B - A) difference between: 9849790cf20SVladimir Oltean * A. the position of the real EtherType and 9859790cf20SVladimir Oltean * B. the current skb->data (aka ETH_HLEN bytes into the frame, aka 2 bytes 9869790cf20SVladimir Oltean * after the normal EtherType was supposed to be) 9879790cf20SVladimir Oltean * The offset in bytes is exactly equal to the tagger overhead (and half of 9889790cf20SVladimir Oltean * that, in __be16 shorts). 9899790cf20SVladimir Oltean * 9909790cf20SVladimir Oltean * - proto: the value of the real EtherType. 9919790cf20SVladimir Oltean */ 9929790cf20SVladimir Oltean static inline void dsa_tag_generic_flow_dissect(const struct sk_buff *skb, 9939790cf20SVladimir Oltean __be16 *proto, int *offset) 9949790cf20SVladimir Oltean { 9959790cf20SVladimir Oltean #if IS_ENABLED(CONFIG_NET_DSA) 9969790cf20SVladimir Oltean const struct dsa_device_ops *ops = skb->dev->dsa_ptr->tag_ops; 9974e500251SVladimir Oltean int tag_len = ops->needed_headroom; 9989790cf20SVladimir Oltean 9999790cf20SVladimir Oltean *offset = tag_len; 10009790cf20SVladimir Oltean *proto = ((__be16 *)skb->data)[(tag_len / 2) - 1]; 10019790cf20SVladimir Oltean #endif 10029790cf20SVladimir Oltean } 10039790cf20SVladimir Oltean 10044cfab356SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 10054cfab356SFlorian Fainelli static inline int __dsa_netdevice_ops_check(struct net_device *dev) 10064cfab356SFlorian Fainelli { 10074cfab356SFlorian Fainelli int err = -EOPNOTSUPP; 10084cfab356SFlorian Fainelli 10094cfab356SFlorian Fainelli if (!dev->dsa_ptr) 10104cfab356SFlorian Fainelli return err; 10114cfab356SFlorian Fainelli 10124cfab356SFlorian Fainelli if (!dev->dsa_ptr->netdev_ops) 10134cfab356SFlorian Fainelli return err; 10144cfab356SFlorian Fainelli 10154cfab356SFlorian Fainelli return 0; 10164cfab356SFlorian Fainelli } 10174cfab356SFlorian Fainelli 1018a7605370SArnd Bergmann static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, 10194cfab356SFlorian Fainelli int cmd) 10204cfab356SFlorian Fainelli { 10214cfab356SFlorian Fainelli const struct dsa_netdevice_ops *ops; 10224cfab356SFlorian Fainelli int err; 10234cfab356SFlorian Fainelli 10244cfab356SFlorian Fainelli err = __dsa_netdevice_ops_check(dev); 10254cfab356SFlorian Fainelli if (err) 10264cfab356SFlorian Fainelli return err; 10274cfab356SFlorian Fainelli 10284cfab356SFlorian Fainelli ops = dev->dsa_ptr->netdev_ops; 10294cfab356SFlorian Fainelli 1030a7605370SArnd Bergmann return ops->ndo_eth_ioctl(dev, ifr, cmd); 10314cfab356SFlorian Fainelli } 10324cfab356SFlorian Fainelli #else 1033a7605370SArnd Bergmann static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, 10344cfab356SFlorian Fainelli int cmd) 10354cfab356SFlorian Fainelli { 10364cfab356SFlorian Fainelli return -EOPNOTSUPP; 10374cfab356SFlorian Fainelli } 10384cfab356SFlorian Fainelli #endif 10394cfab356SFlorian Fainelli 104083c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 104123c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 10423b7bc1f0SVladimir Oltean struct dsa_switch *dsa_switch_find(int tree_index, int sw_index); 1043ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 1044ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 1045ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 1046ea825e70SFlorian Fainelli #else 1047ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 1048ea825e70SFlorian Fainelli { 1049ea825e70SFlorian Fainelli return 0; 1050ea825e70SFlorian Fainelli } 1051ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 1052ea825e70SFlorian Fainelli { 1053ea825e70SFlorian Fainelli return 0; 1054ea825e70SFlorian Fainelli } 1055ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 1056ea825e70SFlorian Fainelli 105760724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 1058a5e3c9baSVladimir Oltean bool dsa_slave_dev_check(const struct net_device *dev); 105960724d4bSFlorian Fainelli #else 1060a5e3c9baSVladimir Oltean static inline bool dsa_slave_dev_check(const struct net_device *dev) 1061a5e3c9baSVladimir Oltean { 1062a5e3c9baSVladimir Oltean return false; 1063a5e3c9baSVladimir Oltean } 106460724d4bSFlorian Fainelli #endif 106560724d4bSFlorian Fainelli 106697a69a0dSVladimir Oltean netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev); 1067cf963573SFlorian Fainelli int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data); 1068cf963573SFlorian Fainelli int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); 1069cf963573SFlorian Fainelli int dsa_port_get_phy_sset_count(struct dsa_port *dp); 107011d8f3ddSFlorian Fainelli void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); 1071cf963573SFlorian Fainelli 1072d3b8c049SAndrew Lunn struct dsa_tag_driver { 1073d3b8c049SAndrew Lunn const struct dsa_device_ops *ops; 1074d3b8c049SAndrew Lunn struct list_head list; 1075d3b8c049SAndrew Lunn struct module *owner; 1076d3b8c049SAndrew Lunn }; 1077d3b8c049SAndrew Lunn 1078d3b8c049SAndrew Lunn void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[], 1079d3b8c049SAndrew Lunn unsigned int count, 1080d3b8c049SAndrew Lunn struct module *owner); 1081d3b8c049SAndrew Lunn void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[], 1082d3b8c049SAndrew Lunn unsigned int count); 1083d3b8c049SAndrew Lunn 1084d3b8c049SAndrew Lunn #define dsa_tag_driver_module_drivers(__dsa_tag_drivers_array, __count) \ 1085d3b8c049SAndrew Lunn static int __init dsa_tag_driver_module_init(void) \ 1086d3b8c049SAndrew Lunn { \ 1087d3b8c049SAndrew Lunn dsa_tag_drivers_register(__dsa_tag_drivers_array, __count, \ 1088d3b8c049SAndrew Lunn THIS_MODULE); \ 1089d3b8c049SAndrew Lunn return 0; \ 1090d3b8c049SAndrew Lunn } \ 1091d3b8c049SAndrew Lunn module_init(dsa_tag_driver_module_init); \ 1092d3b8c049SAndrew Lunn \ 1093d3b8c049SAndrew Lunn static void __exit dsa_tag_driver_module_exit(void) \ 1094d3b8c049SAndrew Lunn { \ 1095d3b8c049SAndrew Lunn dsa_tag_drivers_unregister(__dsa_tag_drivers_array, __count); \ 1096d3b8c049SAndrew Lunn } \ 1097d3b8c049SAndrew Lunn module_exit(dsa_tag_driver_module_exit) 1098d3b8c049SAndrew Lunn 1099d3b8c049SAndrew Lunn /** 1100d3b8c049SAndrew Lunn * module_dsa_tag_drivers() - Helper macro for registering DSA tag 1101d3b8c049SAndrew Lunn * drivers 1102d3b8c049SAndrew Lunn * @__ops_array: Array of tag driver strucutres 1103d3b8c049SAndrew Lunn * 1104d3b8c049SAndrew Lunn * Helper macro for DSA tag drivers which do not do anything special 1105d3b8c049SAndrew Lunn * in module init/exit. Each module may only use this macro once, and 1106d3b8c049SAndrew Lunn * calling it replaces module_init() and module_exit(). 1107d3b8c049SAndrew Lunn */ 1108d3b8c049SAndrew Lunn #define module_dsa_tag_drivers(__ops_array) \ 1109d3b8c049SAndrew Lunn dsa_tag_driver_module_drivers(__ops_array, ARRAY_SIZE(__ops_array)) 1110d3b8c049SAndrew Lunn 1111d3b8c049SAndrew Lunn #define DSA_TAG_DRIVER_NAME(__ops) dsa_tag_driver ## _ ## __ops 1112d3b8c049SAndrew Lunn 1113d3b8c049SAndrew Lunn /* Create a static structure we can build a linked list of dsa_tag 1114d3b8c049SAndrew Lunn * drivers 1115d3b8c049SAndrew Lunn */ 1116d3b8c049SAndrew Lunn #define DSA_TAG_DRIVER(__ops) \ 1117d3b8c049SAndrew Lunn static struct dsa_tag_driver DSA_TAG_DRIVER_NAME(__ops) = { \ 1118d3b8c049SAndrew Lunn .ops = &__ops, \ 1119d3b8c049SAndrew Lunn } 1120d3b8c049SAndrew Lunn 1121d3b8c049SAndrew Lunn /** 1122d3b8c049SAndrew Lunn * module_dsa_tag_driver() - Helper macro for registering a single DSA tag 1123d3b8c049SAndrew Lunn * driver 1124d3b8c049SAndrew Lunn * @__ops: Single tag driver structures 1125d3b8c049SAndrew Lunn * 1126d3b8c049SAndrew Lunn * Helper macro for DSA tag drivers which do not do anything special 1127d3b8c049SAndrew Lunn * in module init/exit. Each module may only use this macro once, and 1128d3b8c049SAndrew Lunn * calling it replaces module_init() and module_exit(). 1129d3b8c049SAndrew Lunn */ 1130d3b8c049SAndrew Lunn #define module_dsa_tag_driver(__ops) \ 1131d3b8c049SAndrew Lunn DSA_TAG_DRIVER(__ops); \ 1132d3b8c049SAndrew Lunn \ 1133d3b8c049SAndrew Lunn static struct dsa_tag_driver *dsa_tag_driver_array[] = { \ 1134d3b8c049SAndrew Lunn &DSA_TAG_DRIVER_NAME(__ops) \ 1135d3b8c049SAndrew Lunn }; \ 1136d3b8c049SAndrew Lunn module_dsa_tag_drivers(dsa_tag_driver_array) 113791da11f8SLennert Buytenhek #endif 1138d3b8c049SAndrew Lunn 1139