12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 291da11f8SLennert Buytenhek /* 391da11f8SLennert Buytenhek * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips 4e84665c9SLennert Buytenhek * Copyright (c) 2008-2009 Marvell Semiconductor 591da11f8SLennert Buytenhek */ 691da11f8SLennert Buytenhek 791da11f8SLennert Buytenhek #ifndef __LINUX_NET_DSA_H 891da11f8SLennert Buytenhek #define __LINUX_NET_DSA_H 991da11f8SLennert Buytenhek 104d56a29fSRussell King #include <linux/if.h> 11ea1f51beSAxel Lin #include <linux/if_ether.h> 12c8f0b869SBen Hutchings #include <linux/list.h> 13f515f192SVivien Didelot #include <linux/notifier.h> 14cf50dcc2SBen Hutchings #include <linux/timer.h> 15cf50dcc2SBen Hutchings #include <linux/workqueue.h> 16fa981d9aSFlorian Fainelli #include <linux/of.h> 17a2820543SFlorian Fainelli #include <linux/ethtool.h> 180336369dSBrandon Streiff #include <linux/net_tstamp.h> 1911d8f3ddSFlorian Fainelli #include <linux/phy.h> 20ecfc9372SFlorian Fainelli #include <linux/platform_data/dsa.h> 2144cc27e4SIoana Ciornei #include <linux/phylink.h> 2296567d5dSAndrew Lunn #include <net/devlink.h> 23f0c24ccfSVivien Didelot #include <net/switchdev.h> 24cf50dcc2SBen Hutchings 25f50f2127SFlorian Fainelli struct tc_action; 264d56a29fSRussell King struct phy_device; 274d56a29fSRussell King struct fixed_phy_status; 2811d8f3ddSFlorian Fainelli struct phylink_link_state; 29f50f2127SFlorian Fainelli 300b42f033SAndrew Lunn #define DSA_TAG_PROTO_NONE_VALUE 0 310b42f033SAndrew Lunn #define DSA_TAG_PROTO_BRCM_VALUE 1 320b42f033SAndrew Lunn #define DSA_TAG_PROTO_BRCM_PREPEND_VALUE 2 330b42f033SAndrew Lunn #define DSA_TAG_PROTO_DSA_VALUE 3 340b42f033SAndrew Lunn #define DSA_TAG_PROTO_EDSA_VALUE 4 350b42f033SAndrew Lunn #define DSA_TAG_PROTO_GSWIP_VALUE 5 360b42f033SAndrew Lunn #define DSA_TAG_PROTO_KSZ9477_VALUE 6 370b42f033SAndrew Lunn #define DSA_TAG_PROTO_KSZ9893_VALUE 7 380b42f033SAndrew Lunn #define DSA_TAG_PROTO_LAN9303_VALUE 8 390b42f033SAndrew Lunn #define DSA_TAG_PROTO_MTK_VALUE 9 400b42f033SAndrew Lunn #define DSA_TAG_PROTO_QCA_VALUE 10 410b42f033SAndrew Lunn #define DSA_TAG_PROTO_TRAILER_VALUE 11 42f9bbe447SVladimir Oltean #define DSA_TAG_PROTO_8021Q_VALUE 12 43227d07a0SVladimir Oltean #define DSA_TAG_PROTO_SJA1105_VALUE 13 44016e43a2STristram Ha #define DSA_TAG_PROTO_KSZ8795_VALUE 14 458dce89aaSVladimir Oltean #define DSA_TAG_PROTO_OCELOT_VALUE 15 4648fda74fSOleksij Rempel #define DSA_TAG_PROTO_AR9331_VALUE 16 47efd7fe68SLinus Walleij #define DSA_TAG_PROTO_RTL4_A_VALUE 17 4801ef09caSKurt Kanzenbach #define DSA_TAG_PROTO_HELLCREEK_VALUE 18 4954a52823SGeorge McCollister #define DSA_TAG_PROTO_XRS700X_VALUE 19 507c83a7c5SVladimir Oltean #define DSA_TAG_PROTO_OCELOT_8021Q_VALUE 20 517c4bb540SVladimir Oltean #define DSA_TAG_PROTO_SEVILLE_VALUE 21 52964dbf18SÁlvaro Fernández Rojas #define DSA_TAG_PROTO_BRCM_LEGACY_VALUE 22 534913b8ebSVladimir Oltean #define DSA_TAG_PROTO_SJA1110_VALUE 23 541521d5adSAlvin Šipraga #define DSA_TAG_PROTO_RTL8_4_VALUE 24 550b42f033SAndrew Lunn 56ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 570b42f033SAndrew Lunn DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, 580b42f033SAndrew Lunn DSA_TAG_PROTO_BRCM = DSA_TAG_PROTO_BRCM_VALUE, 59964dbf18SÁlvaro Fernández Rojas DSA_TAG_PROTO_BRCM_LEGACY = DSA_TAG_PROTO_BRCM_LEGACY_VALUE, 600b42f033SAndrew Lunn DSA_TAG_PROTO_BRCM_PREPEND = DSA_TAG_PROTO_BRCM_PREPEND_VALUE, 610b42f033SAndrew Lunn DSA_TAG_PROTO_DSA = DSA_TAG_PROTO_DSA_VALUE, 620b42f033SAndrew Lunn DSA_TAG_PROTO_EDSA = DSA_TAG_PROTO_EDSA_VALUE, 630b42f033SAndrew Lunn DSA_TAG_PROTO_GSWIP = DSA_TAG_PROTO_GSWIP_VALUE, 640b42f033SAndrew Lunn DSA_TAG_PROTO_KSZ9477 = DSA_TAG_PROTO_KSZ9477_VALUE, 650b42f033SAndrew Lunn DSA_TAG_PROTO_KSZ9893 = DSA_TAG_PROTO_KSZ9893_VALUE, 660b42f033SAndrew Lunn DSA_TAG_PROTO_LAN9303 = DSA_TAG_PROTO_LAN9303_VALUE, 670b42f033SAndrew Lunn DSA_TAG_PROTO_MTK = DSA_TAG_PROTO_MTK_VALUE, 680b42f033SAndrew Lunn DSA_TAG_PROTO_QCA = DSA_TAG_PROTO_QCA_VALUE, 690b42f033SAndrew Lunn DSA_TAG_PROTO_TRAILER = DSA_TAG_PROTO_TRAILER_VALUE, 70f9bbe447SVladimir Oltean DSA_TAG_PROTO_8021Q = DSA_TAG_PROTO_8021Q_VALUE, 71227d07a0SVladimir Oltean DSA_TAG_PROTO_SJA1105 = DSA_TAG_PROTO_SJA1105_VALUE, 72016e43a2STristram Ha DSA_TAG_PROTO_KSZ8795 = DSA_TAG_PROTO_KSZ8795_VALUE, 738dce89aaSVladimir Oltean DSA_TAG_PROTO_OCELOT = DSA_TAG_PROTO_OCELOT_VALUE, 7448fda74fSOleksij Rempel DSA_TAG_PROTO_AR9331 = DSA_TAG_PROTO_AR9331_VALUE, 75efd7fe68SLinus Walleij DSA_TAG_PROTO_RTL4_A = DSA_TAG_PROTO_RTL4_A_VALUE, 7601ef09caSKurt Kanzenbach DSA_TAG_PROTO_HELLCREEK = DSA_TAG_PROTO_HELLCREEK_VALUE, 7754a52823SGeorge McCollister DSA_TAG_PROTO_XRS700X = DSA_TAG_PROTO_XRS700X_VALUE, 787c83a7c5SVladimir Oltean DSA_TAG_PROTO_OCELOT_8021Q = DSA_TAG_PROTO_OCELOT_8021Q_VALUE, 797c4bb540SVladimir Oltean DSA_TAG_PROTO_SEVILLE = DSA_TAG_PROTO_SEVILLE_VALUE, 804913b8ebSVladimir Oltean DSA_TAG_PROTO_SJA1110 = DSA_TAG_PROTO_SJA1110_VALUE, 811521d5adSAlvin Šipraga DSA_TAG_PROTO_RTL8_4 = DSA_TAG_PROTO_RTL8_4_VALUE, 82ac7a04c3SFlorian Fainelli }; 835037d532SFlorian Fainelli 8490af1059SBrandon Streiff struct dsa_switch; 853e8a72d1SFlorian Fainelli 8668277a2cSJohn Crispin struct dsa_device_ops { 8768277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 8829a097b7SVladimir Oltean struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); 892e8cb1b3SVladimir Oltean void (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 90598a9680SJohn Crispin int *offset); 914e500251SVladimir Oltean unsigned int needed_headroom; 924e500251SVladimir Oltean unsigned int needed_tailroom; 93875138f8SAndrew Lunn const char *name; 94056eed2fSAndrew Lunn enum dsa_tag_protocol proto; 95c3975400SVladimir Oltean /* Some tagging protocols either mangle or shift the destination MAC 96c3975400SVladimir Oltean * address, in which case the DSA master would drop packets on ingress 97c3975400SVladimir Oltean * if what it understands out of the destination MAC address is not in 98c3975400SVladimir Oltean * its RX filter. 99c3975400SVladimir Oltean */ 100c3975400SVladimir Oltean bool promisc_on_master; 10168277a2cSJohn Crispin }; 10268277a2cSJohn Crispin 1034cfab356SFlorian Fainelli /* This structure defines the control interfaces that are overlayed by the 1044cfab356SFlorian Fainelli * DSA layer on top of the DSA CPU/management net_device instance. This is 1054cfab356SFlorian Fainelli * used by the core net_device layer while calling various net_device_ops 1064cfab356SFlorian Fainelli * function pointers. 1074cfab356SFlorian Fainelli */ 1084cfab356SFlorian Fainelli struct dsa_netdevice_ops { 109a7605370SArnd Bergmann int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, 1104cfab356SFlorian Fainelli int cmd); 1114cfab356SFlorian Fainelli }; 1124cfab356SFlorian Fainelli 1130b42f033SAndrew Lunn #define DSA_TAG_DRIVER_ALIAS "dsa_tag-" 1140b42f033SAndrew Lunn #define MODULE_ALIAS_DSA_TAG_DRIVER(__proto) \ 1150b42f033SAndrew Lunn MODULE_ALIAS(DSA_TAG_DRIVER_ALIAS __stringify(__proto##_VALUE)) 1160b42f033SAndrew Lunn 117cf50dcc2SBen Hutchings struct dsa_switch_tree { 11883c0afaeSAndrew Lunn struct list_head list; 11983c0afaeSAndrew Lunn 120f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 121f515f192SVivien Didelot struct raw_notifier_head nh; 122f515f192SVivien Didelot 12383c0afaeSAndrew Lunn /* Tree identifier */ 12449463b7fSVivien Didelot unsigned int index; 12583c0afaeSAndrew Lunn 12683c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 12783c0afaeSAndrew Lunn struct kref refcount; 12883c0afaeSAndrew Lunn 12983c0afaeSAndrew Lunn /* Has this tree been applied to the hardware? */ 130ec15dd42SVivien Didelot bool setup; 13183c0afaeSAndrew Lunn 132357f203bSVladimir Oltean /* Tagging protocol operations */ 133357f203bSVladimir Oltean const struct dsa_device_ops *tag_ops; 134357f203bSVladimir Oltean 135deff7107STobias Waldekranz /* Default tagging protocol preferred by the switches in this 136deff7107STobias Waldekranz * tree. 137deff7107STobias Waldekranz */ 138deff7107STobias Waldekranz enum dsa_tag_protocol default_proto; 139deff7107STobias Waldekranz 140cf50dcc2SBen Hutchings /* 141cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 142cf50dcc2SBen Hutchings * this dsa switch tree instance. 143cf50dcc2SBen Hutchings */ 144cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 145cf85d08fSLennert Buytenhek 146ab8ccae1SVivien Didelot /* List of switch ports */ 147ab8ccae1SVivien Didelot struct list_head ports; 148ab8ccae1SVivien Didelot 149c5f51765SVivien Didelot /* List of DSA links composing the routing table */ 150c5f51765SVivien Didelot struct list_head rtable; 151058102a6STobias Waldekranz 152058102a6STobias Waldekranz /* Maps offloaded LAG netdevs to a zero-based linear ID for 153058102a6STobias Waldekranz * drivers that need it. 154058102a6STobias Waldekranz */ 155058102a6STobias Waldekranz struct net_device **lags; 156058102a6STobias Waldekranz unsigned int lags_len; 1575b22d366SVladimir Oltean 1585b22d366SVladimir Oltean /* Track the largest switch index within a tree */ 1595b22d366SVladimir Oltean unsigned int last_switch; 160cf50dcc2SBen Hutchings }; 161cf50dcc2SBen Hutchings 162058102a6STobias Waldekranz #define dsa_lags_foreach_id(_id, _dst) \ 163058102a6STobias Waldekranz for ((_id) = 0; (_id) < (_dst)->lags_len; (_id)++) \ 164058102a6STobias Waldekranz if ((_dst)->lags[(_id)]) 165058102a6STobias Waldekranz 166058102a6STobias Waldekranz #define dsa_lag_foreach_port(_dp, _dst, _lag) \ 167058102a6STobias Waldekranz list_for_each_entry((_dp), &(_dst)->ports, list) \ 168058102a6STobias Waldekranz if ((_dp)->lag_dev == (_lag)) 169058102a6STobias Waldekranz 17018596f50SGeorge McCollister #define dsa_hsr_foreach_port(_dp, _ds, _hsr) \ 17118596f50SGeorge McCollister list_for_each_entry((_dp), &(_ds)->dst->ports, list) \ 17218596f50SGeorge McCollister if ((_dp)->ds == (_ds) && (_dp)->hsr_dev == (_hsr)) 17318596f50SGeorge McCollister 174058102a6STobias Waldekranz static inline struct net_device *dsa_lag_dev(struct dsa_switch_tree *dst, 175058102a6STobias Waldekranz unsigned int id) 176058102a6STobias Waldekranz { 177058102a6STobias Waldekranz return dst->lags[id]; 178058102a6STobias Waldekranz } 179058102a6STobias Waldekranz 180058102a6STobias Waldekranz static inline int dsa_lag_id(struct dsa_switch_tree *dst, 181058102a6STobias Waldekranz struct net_device *lag) 182058102a6STobias Waldekranz { 183058102a6STobias Waldekranz unsigned int id; 184058102a6STobias Waldekranz 185058102a6STobias Waldekranz dsa_lags_foreach_id(id, dst) { 186058102a6STobias Waldekranz if (dsa_lag_dev(dst, id) == lag) 187058102a6STobias Waldekranz return id; 188058102a6STobias Waldekranz } 189058102a6STobias Waldekranz 190058102a6STobias Waldekranz return -ENODEV; 191058102a6STobias Waldekranz } 192058102a6STobias Waldekranz 19334297176SVladimir Oltean /* TC matchall action types */ 194f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 195f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 19634297176SVladimir Oltean DSA_PORT_MALL_POLICER, 197f50f2127SFlorian Fainelli }; 198f50f2127SFlorian Fainelli 199f50f2127SFlorian Fainelli /* TC mirroring entry */ 200f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 201f50f2127SFlorian Fainelli u8 to_local_port; 202f50f2127SFlorian Fainelli bool ingress; 203f50f2127SFlorian Fainelli }; 204f50f2127SFlorian Fainelli 20534297176SVladimir Oltean /* TC port policer entry */ 20634297176SVladimir Oltean struct dsa_mall_policer_tc_entry { 2075f035af7SPo Liu u32 burst; 20834297176SVladimir Oltean u64 rate_bytes_per_sec; 20934297176SVladimir Oltean }; 21034297176SVladimir Oltean 211f50f2127SFlorian Fainelli /* TC matchall entry */ 212f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 213f50f2127SFlorian Fainelli struct list_head list; 214f50f2127SFlorian Fainelli unsigned long cookie; 215f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 216f50f2127SFlorian Fainelli union { 217f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 21834297176SVladimir Oltean struct dsa_mall_policer_tc_entry policer; 219f50f2127SFlorian Fainelli }; 220f50f2127SFlorian Fainelli }; 221f50f2127SFlorian Fainelli 222d3eed0e5SVladimir Oltean struct dsa_bridge { 223d3eed0e5SVladimir Oltean struct net_device *dev; 224d3eed0e5SVladimir Oltean unsigned int num; 225*857fdd74SVladimir Oltean bool tx_fwd_offload; 226d3eed0e5SVladimir Oltean refcount_t refcount; 227d3eed0e5SVladimir Oltean }; 228f50f2127SFlorian Fainelli 229c8b09808SAndrew Lunn struct dsa_port { 230f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 231f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 232f8b8b1cdSVivien Didelot */ 233f8b8b1cdSVivien Didelot union { 234f8b8b1cdSVivien Didelot struct net_device *master; 235f8b8b1cdSVivien Didelot struct net_device *slave; 236f8b8b1cdSVivien Didelot }; 237f8b8b1cdSVivien Didelot 238357f203bSVladimir Oltean /* Copy of the tagging protocol operations, for quicker access 239357f203bSVladimir Oltean * in the data path. Valid only for the CPU ports. 240357f203bSVladimir Oltean */ 24115240248SVivien Didelot const struct dsa_device_ops *tag_ops; 24215240248SVivien Didelot 2433e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 2443e41f93bSVivien Didelot struct dsa_switch_tree *dst; 24529a097b7SVladimir Oltean struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); 2463e41f93bSVivien Didelot 247057cad2cSVivien Didelot enum { 248057cad2cSVivien Didelot DSA_PORT_TYPE_UNUSED = 0, 249057cad2cSVivien Didelot DSA_PORT_TYPE_CPU, 250057cad2cSVivien Didelot DSA_PORT_TYPE_DSA, 251057cad2cSVivien Didelot DSA_PORT_TYPE_USER, 252057cad2cSVivien Didelot } type; 253057cad2cSVivien Didelot 254818be848SVivien Didelot struct dsa_switch *ds; 255818be848SVivien Didelot unsigned int index; 25671e0bbdeSFlorian Fainelli const char *name; 25768b2d4a8SVivien Didelot struct dsa_port *cpu_dp; 25883216e39SMichael Walle u8 mac[ETH_ALEN]; 259189b0d93SAndrew Lunn struct device_node *dn; 26034a79f63SVivien Didelot unsigned int ageing_time; 26133162e9aSVladimir Oltean bool vlan_filtering; 2625313a37bSVladimir Oltean /* Managed by DSA on user ports and by drivers on CPU and DSA ports */ 263045c45d1SVladimir Oltean bool learning; 264732f794cSVivien Didelot u8 stp_state; 265d3eed0e5SVladimir Oltean struct dsa_bridge *bridge; 26696567d5dSAndrew Lunn struct devlink_port devlink_port; 2673122433eSAndrew Lunn bool devlink_port_setup; 268aab9c406SFlorian Fainelli struct phylink *pl; 26944cc27e4SIoana Ciornei struct phylink_config pl_config; 270058102a6STobias Waldekranz struct net_device *lag_dev; 271058102a6STobias Waldekranz bool lag_tx_enabled; 27218596f50SGeorge McCollister struct net_device *hsr_dev; 27397a69a0dSVladimir Oltean 274ab8ccae1SVivien Didelot struct list_head list; 275ab8ccae1SVivien Didelot 27667dbb9d4SFlorian Fainelli /* 277c362beb0SVladimir Oltean * Give the switch driver somewhere to hang its per-port private data 278c362beb0SVladimir Oltean * structures (accessible from the tagger). 279c362beb0SVladimir Oltean */ 280c362beb0SVladimir Oltean void *priv; 281c362beb0SVladimir Oltean 282c362beb0SVladimir Oltean /* 28367dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 28467dbb9d4SFlorian Fainelli */ 28567dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 286da7b9e9bSFlorian Fainelli 287da7b9e9bSFlorian Fainelli /* 288da7b9e9bSFlorian Fainelli * Original copy of the master netdev net_device_ops 289da7b9e9bSFlorian Fainelli */ 2904cfab356SFlorian Fainelli const struct dsa_netdevice_ops *netdev_ops; 291fb35c60cSVivien Didelot 292161ca59dSVladimir Oltean /* List of MAC addresses that must be forwarded on this port. 293161ca59dSVladimir Oltean * These are only valid on CPU ports and DSA links. 294161ca59dSVladimir Oltean */ 295338a3a47SVladimir Oltean struct mutex addr_lists_lock; 2963f6e32f9SVladimir Oltean struct list_head fdbs; 297161ca59dSVladimir Oltean struct list_head mdbs; 298161ca59dSVladimir Oltean 299fb35c60cSVivien Didelot bool setup; 300c8b09808SAndrew Lunn }; 301c8b09808SAndrew Lunn 302c5f51765SVivien Didelot /* TODO: ideally DSA ports would have a single dp->link_dp member, 303c5f51765SVivien Didelot * and no dst->rtable nor this struct dsa_link would be needed, 304c5f51765SVivien Didelot * but this would require some more complex tree walking, 305c5f51765SVivien Didelot * so keep it stupid at the moment and list them all. 306c5f51765SVivien Didelot */ 307c5f51765SVivien Didelot struct dsa_link { 308c5f51765SVivien Didelot struct dsa_port *dp; 309c5f51765SVivien Didelot struct dsa_port *link_dp; 310c5f51765SVivien Didelot struct list_head list; 311c5f51765SVivien Didelot }; 312c5f51765SVivien Didelot 313161ca59dSVladimir Oltean struct dsa_mac_addr { 314161ca59dSVladimir Oltean unsigned char addr[ETH_ALEN]; 315161ca59dSVladimir Oltean u16 vid; 316161ca59dSVladimir Oltean refcount_t refcount; 317161ca59dSVladimir Oltean struct list_head list; 318161ca59dSVladimir Oltean }; 319161ca59dSVladimir Oltean 320c8f0b869SBen Hutchings struct dsa_switch { 321fb35c60cSVivien Didelot bool setup; 322fb35c60cSVivien Didelot 323c33063d6SAndrew Lunn struct device *dev; 324c33063d6SAndrew Lunn 325c8f0b869SBen Hutchings /* 326c8f0b869SBen Hutchings * Parent switch tree, and switch index. 327c8f0b869SBen Hutchings */ 328c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 32999feaafcSVivien Didelot unsigned int index; 330c8f0b869SBen Hutchings 331f515f192SVivien Didelot /* Listener for switch fabric events */ 332f515f192SVivien Didelot struct notifier_block nb; 333f515f192SVivien Didelot 334c8f0b869SBen Hutchings /* 3357543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 3367543a6d5SAndrew Lunn * structure. 3377543a6d5SAndrew Lunn */ 3387543a6d5SAndrew Lunn void *priv; 3397543a6d5SAndrew Lunn 3407543a6d5SAndrew Lunn /* 341c8f0b869SBen Hutchings * Configuration data for this switch. 342c8f0b869SBen Hutchings */ 343ff04955cSAndrew Lunn struct dsa_chip_data *cd; 344c8f0b869SBen Hutchings 345c8f0b869SBen Hutchings /* 3469d490b4eSVivien Didelot * The switch operations. 347c8f0b869SBen Hutchings */ 348a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 349c8f0b869SBen Hutchings 35066472fc0SAndrew Lunn /* 351c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 352c8f0b869SBen Hutchings */ 3530d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 354c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 355a0c02161SVivien Didelot 3560f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 3570f3da6afSVivien Didelot unsigned int ageing_time_min; 3580f3da6afSVivien Didelot unsigned int ageing_time_max; 3590f3da6afSVivien Didelot 360d7b1fd52SVladimir Oltean /* Storage for drivers using tag_8021q */ 361d7b1fd52SVladimir Oltean struct dsa_8021q_context *tag_8021q_ctx; 362d7b1fd52SVladimir Oltean 36396567d5dSAndrew Lunn /* devlink used to represent this switch device */ 36496567d5dSAndrew Lunn struct devlink *devlink; 36596567d5dSAndrew Lunn 36655199df6SFlorian Fainelli /* Number of switch port queues */ 36755199df6SFlorian Fainelli unsigned int num_tx_queues; 36855199df6SFlorian Fainelli 3698f5d16f6SVladimir Oltean /* Disallow bridge core from requesting different VLAN awareness 3708f5d16f6SVladimir Oltean * settings on ports if not hardware-supported 3718f5d16f6SVladimir Oltean */ 3728f5d16f6SVladimir Oltean bool vlan_filtering_is_global; 3738f5d16f6SVladimir Oltean 37458adf9dcSVladimir Oltean /* Keep VLAN filtering enabled on ports not offloading any upper. */ 37558adf9dcSVladimir Oltean bool needs_standalone_vlan_filtering; 37658adf9dcSVladimir Oltean 37754a0ed0dSRussell King /* Pass .port_vlan_add and .port_vlan_del to drivers even for bridges 37854a0ed0dSRussell King * that have vlan_filtering=0. All drivers should ideally set this (and 37954a0ed0dSRussell King * then the option would get removed), but it is unknown whether this 38054a0ed0dSRussell King * would break things or not. 38154a0ed0dSRussell King */ 38254a0ed0dSRussell King bool configure_vlan_while_not_filtering; 38354a0ed0dSRussell King 3841dc0408cSFlorian Fainelli /* If the switch driver always programs the CPU port as egress tagged 3851dc0408cSFlorian Fainelli * despite the VLAN configuration indicating otherwise, then setting 3861dc0408cSFlorian Fainelli * @untag_bridge_pvid will force the DSA receive path to pop the bridge's 3871dc0408cSFlorian Fainelli * default_pvid VLAN tagged frames to offer a consistent behavior 3881dc0408cSFlorian Fainelli * between a vlan_filtering=0 and vlan_filtering=1 bridge device. 3891dc0408cSFlorian Fainelli */ 3901dc0408cSFlorian Fainelli bool untag_bridge_pvid; 3911dc0408cSFlorian Fainelli 392d5f19486SVladimir Oltean /* Let DSA manage the FDB entries towards the CPU, based on the 393d5f19486SVladimir Oltean * software bridge database. 394d5f19486SVladimir Oltean */ 395d5f19486SVladimir Oltean bool assisted_learning_on_cpu_port; 396d5f19486SVladimir Oltean 39714574676SVladimir Oltean /* In case vlan_filtering_is_global is set, the VLAN awareness state 39814574676SVladimir Oltean * should be retrieved from here and not from the per-port settings. 39914574676SVladimir Oltean */ 40014574676SVladimir Oltean bool vlan_filtering; 40114574676SVladimir Oltean 402787cac3fSVladimir Oltean /* MAC PCS does not provide link state change interrupt, and requires 403787cac3fSVladimir Oltean * polling. Flag passed on to PHYLINK. 404787cac3fSVladimir Oltean */ 405787cac3fSVladimir Oltean bool pcs_poll; 406787cac3fSVladimir Oltean 407bff33f7eSVladimir Oltean /* For switches that only have the MRU configurable. To ensure the 408bff33f7eSVladimir Oltean * configured MTU is not exceeded, normalization of MRU on all bridged 409bff33f7eSVladimir Oltean * interfaces is needed. 410bff33f7eSVladimir Oltean */ 411bff33f7eSVladimir Oltean bool mtu_enforcement_ingress; 412bff33f7eSVladimir Oltean 413058102a6STobias Waldekranz /* Drivers that benefit from having an ID associated with each 414058102a6STobias Waldekranz * offloaded LAG should set this to the maximum number of 415058102a6STobias Waldekranz * supported IDs. DSA will then maintain a mapping of _at 416058102a6STobias Waldekranz * least_ these many IDs, accessible to drivers via 417058102a6STobias Waldekranz * dsa_lag_id(). 418058102a6STobias Waldekranz */ 419058102a6STobias Waldekranz unsigned int num_lag_ids; 420058102a6STobias Waldekranz 421947c8746SVladimir Oltean /* Drivers that support bridge forwarding offload or FDB isolation 422947c8746SVladimir Oltean * should set this to the maximum number of bridges spanning the same 423947c8746SVladimir Oltean * switch tree (or all trees, in the case of cross-tree bridging 424947c8746SVladimir Oltean * support) that can be offloaded. 425123abc06SVladimir Oltean */ 426947c8746SVladimir Oltean unsigned int max_num_bridges; 427123abc06SVladimir Oltean 428a0c02161SVivien Didelot size_t num_ports; 429c8f0b869SBen Hutchings }; 430c8f0b869SBen Hutchings 43168bb8ea8SVivien Didelot static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) 432c38c5a66SVivien Didelot { 433b96ddf25SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 434d607525bSVivien Didelot struct dsa_port *dp; 435b96ddf25SVivien Didelot 436b96ddf25SVivien Didelot list_for_each_entry(dp, &dst->ports, list) 437b96ddf25SVivien Didelot if (dp->ds == ds && dp->index == p) 438b96ddf25SVivien Didelot return dp; 439d607525bSVivien Didelot 440d607525bSVivien Didelot return NULL; 441c38c5a66SVivien Didelot } 442c38c5a66SVivien Didelot 443a8986681SVladimir Oltean static inline bool dsa_port_is_dsa(struct dsa_port *port) 444a8986681SVladimir Oltean { 445a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_DSA; 446a8986681SVladimir Oltean } 447a8986681SVladimir Oltean 448a8986681SVladimir Oltean static inline bool dsa_port_is_cpu(struct dsa_port *port) 449a8986681SVladimir Oltean { 450a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_CPU; 451a8986681SVladimir Oltean } 452a8986681SVladimir Oltean 453a8986681SVladimir Oltean static inline bool dsa_port_is_user(struct dsa_port *dp) 454a8986681SVladimir Oltean { 455a8986681SVladimir Oltean return dp->type == DSA_PORT_TYPE_USER; 456a8986681SVladimir Oltean } 457a8986681SVladimir Oltean 458a57d8c21SVladimir Oltean static inline bool dsa_port_is_unused(struct dsa_port *dp) 459a57d8c21SVladimir Oltean { 460a57d8c21SVladimir Oltean return dp->type == DSA_PORT_TYPE_UNUSED; 461a57d8c21SVladimir Oltean } 462a57d8c21SVladimir Oltean 463bff7b688SVivien Didelot static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) 464bff7b688SVivien Didelot { 465c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; 466bff7b688SVivien Didelot } 467bff7b688SVivien Didelot 468c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 469c8f0b869SBen Hutchings { 470c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; 471c8f0b869SBen Hutchings } 472c8f0b869SBen Hutchings 47360045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 47460045cbfSAndrew Lunn { 475c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; 47660045cbfSAndrew Lunn } 47760045cbfSAndrew Lunn 4782b3e9891SVivien Didelot static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) 4796cd456f3SVivien Didelot { 480c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; 4816cd456f3SVivien Didelot } 4826cd456f3SVivien Didelot 48382b31898SVladimir Oltean #define dsa_tree_for_each_user_port(_dp, _dst) \ 48482b31898SVladimir Oltean list_for_each_entry((_dp), &(_dst)->ports, list) \ 48582b31898SVladimir Oltean if (dsa_port_is_user((_dp))) 48682b31898SVladimir Oltean 48782b31898SVladimir Oltean #define dsa_switch_for_each_port(_dp, _ds) \ 48882b31898SVladimir Oltean list_for_each_entry((_dp), &(_ds)->dst->ports, list) \ 48982b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 49082b31898SVladimir Oltean 49182b31898SVladimir Oltean #define dsa_switch_for_each_port_safe(_dp, _next, _ds) \ 49282b31898SVladimir Oltean list_for_each_entry_safe((_dp), (_next), &(_ds)->dst->ports, list) \ 49382b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 49482b31898SVladimir Oltean 49582b31898SVladimir Oltean #define dsa_switch_for_each_port_continue_reverse(_dp, _ds) \ 49682b31898SVladimir Oltean list_for_each_entry_continue_reverse((_dp), &(_ds)->dst->ports, list) \ 49782b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 49882b31898SVladimir Oltean 49982b31898SVladimir Oltean #define dsa_switch_for_each_available_port(_dp, _ds) \ 50082b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 50182b31898SVladimir Oltean if (!dsa_port_is_unused((_dp))) 50282b31898SVladimir Oltean 50382b31898SVladimir Oltean #define dsa_switch_for_each_user_port(_dp, _ds) \ 50482b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 50582b31898SVladimir Oltean if (dsa_port_is_user((_dp))) 50682b31898SVladimir Oltean 50782b31898SVladimir Oltean #define dsa_switch_for_each_cpu_port(_dp, _ds) \ 50882b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 50982b31898SVladimir Oltean if (dsa_port_is_cpu((_dp))) 51082b31898SVladimir Oltean 51102bc6e54SVivien Didelot static inline u32 dsa_user_ports(struct dsa_switch *ds) 51202bc6e54SVivien Didelot { 513d0004a02SVladimir Oltean struct dsa_port *dp; 514c38c5a66SVivien Didelot u32 mask = 0; 51502bc6e54SVivien Didelot 516d0004a02SVladimir Oltean dsa_switch_for_each_user_port(dp, ds) 517d0004a02SVladimir Oltean mask |= BIT(dp->index); 518c38c5a66SVivien Didelot 519c38c5a66SVivien Didelot return mask; 520c8652c83SVivien Didelot } 521c8652c83SVivien Didelot 522c5f51765SVivien Didelot /* Return the local port used to reach an arbitrary switch device */ 523c5f51765SVivien Didelot static inline unsigned int dsa_routing_port(struct dsa_switch *ds, int device) 524c5f51765SVivien Didelot { 525c5f51765SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 526c5f51765SVivien Didelot struct dsa_link *dl; 527c5f51765SVivien Didelot 528c5f51765SVivien Didelot list_for_each_entry(dl, &dst->rtable, list) 529c5f51765SVivien Didelot if (dl->dp->ds == ds && dl->link_dp->ds->index == device) 530c5f51765SVivien Didelot return dl->dp->index; 531c5f51765SVivien Didelot 532c5f51765SVivien Didelot return ds->num_ports; 533c5f51765SVivien Didelot } 534c5f51765SVivien Didelot 5353b8fac5dSVivien Didelot /* Return the local port used to reach an arbitrary switch port */ 5363b8fac5dSVivien Didelot static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, 5373b8fac5dSVivien Didelot int port) 5383b8fac5dSVivien Didelot { 5393b8fac5dSVivien Didelot if (device == ds->index) 5403b8fac5dSVivien Didelot return port; 5413b8fac5dSVivien Didelot else 542c5f51765SVivien Didelot return dsa_routing_port(ds, device); 5433b8fac5dSVivien Didelot } 5443b8fac5dSVivien Didelot 5453b8fac5dSVivien Didelot /* Return the local port used to reach the dedicated CPU port */ 54607073c79SVivien Didelot static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) 547c8f0b869SBen Hutchings { 54807073c79SVivien Didelot const struct dsa_port *dp = dsa_to_port(ds, port); 54907073c79SVivien Didelot const struct dsa_port *cpu_dp = dp->cpu_dp; 55007073c79SVivien Didelot 55107073c79SVivien Didelot if (!cpu_dp) 55207073c79SVivien Didelot return port; 553c8f0b869SBen Hutchings 5543b8fac5dSVivien Didelot return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); 555c8f0b869SBen Hutchings } 556c8f0b869SBen Hutchings 55763609c8fSVladimir Oltean /* Return true if this is the local port used to reach the CPU port */ 55863609c8fSVladimir Oltean static inline bool dsa_is_upstream_port(struct dsa_switch *ds, int port) 55963609c8fSVladimir Oltean { 56063609c8fSVladimir Oltean if (dsa_is_unused_port(ds, port)) 56163609c8fSVladimir Oltean return false; 56263609c8fSVladimir Oltean 56363609c8fSVladimir Oltean return port == dsa_upstream_port(ds, port); 56463609c8fSVladimir Oltean } 56563609c8fSVladimir Oltean 56663609c8fSVladimir Oltean /* Return true if @upstream_ds is an upstream switch of @downstream_ds, meaning 56763609c8fSVladimir Oltean * that the routing port from @downstream_ds to @upstream_ds is also the port 56863609c8fSVladimir Oltean * which @downstream_ds uses to reach its dedicated CPU. 56963609c8fSVladimir Oltean */ 57063609c8fSVladimir Oltean static inline bool dsa_switch_is_upstream_of(struct dsa_switch *upstream_ds, 57163609c8fSVladimir Oltean struct dsa_switch *downstream_ds) 57263609c8fSVladimir Oltean { 57363609c8fSVladimir Oltean int routing_port; 57463609c8fSVladimir Oltean 57563609c8fSVladimir Oltean if (upstream_ds == downstream_ds) 57663609c8fSVladimir Oltean return true; 57763609c8fSVladimir Oltean 57863609c8fSVladimir Oltean routing_port = dsa_routing_port(downstream_ds, upstream_ds->index); 57963609c8fSVladimir Oltean 58063609c8fSVladimir Oltean return dsa_is_upstream_port(downstream_ds, routing_port); 58163609c8fSVladimir Oltean } 58263609c8fSVladimir Oltean 583cf2d45f5SVladimir Oltean static inline bool dsa_port_is_vlan_filtering(const struct dsa_port *dp) 584cf2d45f5SVladimir Oltean { 585cf2d45f5SVladimir Oltean const struct dsa_switch *ds = dp->ds; 586cf2d45f5SVladimir Oltean 587cf2d45f5SVladimir Oltean if (ds->vlan_filtering_is_global) 588cf2d45f5SVladimir Oltean return ds->vlan_filtering; 589cf2d45f5SVladimir Oltean else 590cf2d45f5SVladimir Oltean return dp->vlan_filtering; 591cf2d45f5SVladimir Oltean } 592cf2d45f5SVladimir Oltean 593cc76ce9eSTobias Waldekranz static inline 594cc76ce9eSTobias Waldekranz struct net_device *dsa_port_to_bridge_port(const struct dsa_port *dp) 595cc76ce9eSTobias Waldekranz { 596d3eed0e5SVladimir Oltean if (!dp->bridge) 597cc76ce9eSTobias Waldekranz return NULL; 598cc76ce9eSTobias Waldekranz 599cc76ce9eSTobias Waldekranz if (dp->lag_dev) 600cc76ce9eSTobias Waldekranz return dp->lag_dev; 601cc76ce9eSTobias Waldekranz else if (dp->hsr_dev) 602cc76ce9eSTobias Waldekranz return dp->hsr_dev; 603cc76ce9eSTobias Waldekranz 604cc76ce9eSTobias Waldekranz return dp->slave; 605cc76ce9eSTobias Waldekranz } 606cc76ce9eSTobias Waldekranz 60736cbf39bSVladimir Oltean static inline struct net_device * 60836cbf39bSVladimir Oltean dsa_port_bridge_dev_get(const struct dsa_port *dp) 60936cbf39bSVladimir Oltean { 610d3eed0e5SVladimir Oltean return dp->bridge ? dp->bridge->dev : NULL; 61136cbf39bSVladimir Oltean } 61236cbf39bSVladimir Oltean 61336cbf39bSVladimir Oltean static inline unsigned int dsa_port_bridge_num_get(struct dsa_port *dp) 61436cbf39bSVladimir Oltean { 615d3eed0e5SVladimir Oltean return dp->bridge ? dp->bridge->num : 0; 61636cbf39bSVladimir Oltean } 61736cbf39bSVladimir Oltean 61836cbf39bSVladimir Oltean static inline bool dsa_port_bridge_same(const struct dsa_port *a, 61936cbf39bSVladimir Oltean const struct dsa_port *b) 62036cbf39bSVladimir Oltean { 62136cbf39bSVladimir Oltean struct net_device *br_a = dsa_port_bridge_dev_get(a); 62236cbf39bSVladimir Oltean struct net_device *br_b = dsa_port_bridge_dev_get(b); 62336cbf39bSVladimir Oltean 62436cbf39bSVladimir Oltean /* Standalone ports are not in the same bridge with one another */ 62536cbf39bSVladimir Oltean return (!br_a || !br_b) ? false : (br_a == br_b); 62636cbf39bSVladimir Oltean } 62736cbf39bSVladimir Oltean 6286a43cba3SVladimir Oltean static inline bool dsa_port_offloads_bridge_port(struct dsa_port *dp, 6296a43cba3SVladimir Oltean const struct net_device *dev) 6306a43cba3SVladimir Oltean { 6316a43cba3SVladimir Oltean return dsa_port_to_bridge_port(dp) == dev; 6326a43cba3SVladimir Oltean } 6336a43cba3SVladimir Oltean 6346a43cba3SVladimir Oltean static inline bool 6356a43cba3SVladimir Oltean dsa_port_offloads_bridge_dev(struct dsa_port *dp, 6366a43cba3SVladimir Oltean const struct net_device *bridge_dev) 6376a43cba3SVladimir Oltean { 6386a43cba3SVladimir Oltean /* DSA ports connected to a bridge, and event was emitted 6396a43cba3SVladimir Oltean * for the bridge. 6406a43cba3SVladimir Oltean */ 6416a43cba3SVladimir Oltean return dsa_port_bridge_dev_get(dp) == bridge_dev; 6426a43cba3SVladimir Oltean } 6436a43cba3SVladimir Oltean 644d3eed0e5SVladimir Oltean static inline bool dsa_port_offloads_bridge(struct dsa_port *dp, 645d3eed0e5SVladimir Oltean const struct dsa_bridge *bridge) 646d3eed0e5SVladimir Oltean { 647d3eed0e5SVladimir Oltean return dsa_port_bridge_dev_get(dp) == bridge->dev; 648d3eed0e5SVladimir Oltean } 649d3eed0e5SVladimir Oltean 6506a43cba3SVladimir Oltean /* Returns true if any port of this tree offloads the given net_device */ 6516a43cba3SVladimir Oltean static inline bool dsa_tree_offloads_bridge_port(struct dsa_switch_tree *dst, 6526a43cba3SVladimir Oltean const struct net_device *dev) 6536a43cba3SVladimir Oltean { 6546a43cba3SVladimir Oltean struct dsa_port *dp; 6556a43cba3SVladimir Oltean 6566a43cba3SVladimir Oltean list_for_each_entry(dp, &dst->ports, list) 6576a43cba3SVladimir Oltean if (dsa_port_offloads_bridge_port(dp, dev)) 6586a43cba3SVladimir Oltean return true; 6596a43cba3SVladimir Oltean 6606a43cba3SVladimir Oltean return false; 6616a43cba3SVladimir Oltean } 6626a43cba3SVladimir Oltean 6636a43cba3SVladimir Oltean /* Returns true if any port of this tree offloads the given bridge */ 6646a43cba3SVladimir Oltean static inline bool 6656a43cba3SVladimir Oltean dsa_tree_offloads_bridge_dev(struct dsa_switch_tree *dst, 6666a43cba3SVladimir Oltean const struct net_device *bridge_dev) 6676a43cba3SVladimir Oltean { 6686a43cba3SVladimir Oltean struct dsa_port *dp; 6696a43cba3SVladimir Oltean 6706a43cba3SVladimir Oltean list_for_each_entry(dp, &dst->ports, list) 6716a43cba3SVladimir Oltean if (dsa_port_offloads_bridge_dev(dp, bridge_dev)) 6726a43cba3SVladimir Oltean return true; 6736a43cba3SVladimir Oltean 6746a43cba3SVladimir Oltean return false; 6756a43cba3SVladimir Oltean } 6766a43cba3SVladimir Oltean 6772bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 6782bedde1aSArkadi Sharshevsky bool is_static, void *data); 6799d490b4eSVivien Didelot struct dsa_switch_ops { 68053da0ebaSVladimir Oltean /* 68153da0ebaSVladimir Oltean * Tagging protocol helpers called for the CPU ports and DSA links. 68253da0ebaSVladimir Oltean * @get_tag_protocol retrieves the initial tagging protocol and is 68353da0ebaSVladimir Oltean * mandatory. Switches which can operate using multiple tagging 68453da0ebaSVladimir Oltean * protocols should implement @change_tag_protocol and report in 68553da0ebaSVladimir Oltean * @get_tag_protocol the tagger in current use. 68653da0ebaSVladimir Oltean */ 6875ed4e3ebSFlorian Fainelli enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, 6884d776482SFlorian Fainelli int port, 6894d776482SFlorian Fainelli enum dsa_tag_protocol mprot); 69053da0ebaSVladimir Oltean int (*change_tag_protocol)(struct dsa_switch *ds, int port, 69153da0ebaSVladimir Oltean enum dsa_tag_protocol proto); 6927b314362SAndrew Lunn 693fd292c18SVladimir Oltean /* Optional switch-wide initialization and destruction methods */ 694c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 6955e3f847aSVladimir Oltean void (*teardown)(struct dsa_switch *ds); 696fd292c18SVladimir Oltean 697fd292c18SVladimir Oltean /* Per-port initialization and destruction methods. Mandatory if the 698fd292c18SVladimir Oltean * driver registers devlink port regions, optional otherwise. 699fd292c18SVladimir Oltean */ 700fd292c18SVladimir Oltean int (*port_setup)(struct dsa_switch *ds, int port); 701fd292c18SVladimir Oltean void (*port_teardown)(struct dsa_switch *ds, int port); 702fd292c18SVladimir Oltean 7036819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 704c8f0b869SBen Hutchings 705c8f0b869SBen Hutchings /* 706c8f0b869SBen Hutchings * Access to the switch's PHY registers. 707c8f0b869SBen Hutchings */ 708c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 709c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 710c8f0b869SBen Hutchings int regnum, u16 val); 711c8f0b869SBen Hutchings 712c8f0b869SBen Hutchings /* 713ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 714ec9436baSFlorian Fainelli */ 715ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 716ec9436baSFlorian Fainelli struct phy_device *phydev); 717ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 718ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 719ec9436baSFlorian Fainelli 720ec9436baSFlorian Fainelli /* 72111d8f3ddSFlorian Fainelli * PHYLINK integration 72211d8f3ddSFlorian Fainelli */ 723072eea6cSRussell King (Oracle) void (*phylink_get_caps)(struct dsa_switch *ds, int port, 724072eea6cSRussell King (Oracle) struct phylink_config *config); 72511d8f3ddSFlorian Fainelli void (*phylink_validate)(struct dsa_switch *ds, int port, 72611d8f3ddSFlorian Fainelli unsigned long *supported, 72711d8f3ddSFlorian Fainelli struct phylink_link_state *state); 72811d8f3ddSFlorian Fainelli int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, 72911d8f3ddSFlorian Fainelli struct phylink_link_state *state); 73011d8f3ddSFlorian Fainelli void (*phylink_mac_config)(struct dsa_switch *ds, int port, 73111d8f3ddSFlorian Fainelli unsigned int mode, 73211d8f3ddSFlorian Fainelli const struct phylink_link_state *state); 73311d8f3ddSFlorian Fainelli void (*phylink_mac_an_restart)(struct dsa_switch *ds, int port); 73411d8f3ddSFlorian Fainelli void (*phylink_mac_link_down)(struct dsa_switch *ds, int port, 73511d8f3ddSFlorian Fainelli unsigned int mode, 73611d8f3ddSFlorian Fainelli phy_interface_t interface); 73711d8f3ddSFlorian Fainelli void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, 73811d8f3ddSFlorian Fainelli unsigned int mode, 73911d8f3ddSFlorian Fainelli phy_interface_t interface, 7405b502a7bSRussell King struct phy_device *phydev, 7415b502a7bSRussell King int speed, int duplex, 7425b502a7bSRussell King bool tx_pause, bool rx_pause); 74311d8f3ddSFlorian Fainelli void (*phylink_fixed_state)(struct dsa_switch *ds, int port, 74411d8f3ddSFlorian Fainelli struct phylink_link_state *state); 74511d8f3ddSFlorian Fainelli /* 746c2ec5f2eSOleksij Rempel * Port statistics counters. 747c8f0b869SBen Hutchings */ 74889f09048SFlorian Fainelli void (*get_strings)(struct dsa_switch *ds, int port, 74989f09048SFlorian Fainelli u32 stringset, uint8_t *data); 750c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 751c8f0b869SBen Hutchings int port, uint64_t *data); 75289f09048SFlorian Fainelli int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); 753cf963573SFlorian Fainelli void (*get_ethtool_phy_stats)(struct dsa_switch *ds, 754cf963573SFlorian Fainelli int port, uint64_t *data); 755487d3855SAlvin Šipraga void (*get_eth_phy_stats)(struct dsa_switch *ds, int port, 756487d3855SAlvin Šipraga struct ethtool_eth_phy_stats *phy_stats); 757487d3855SAlvin Šipraga void (*get_eth_mac_stats)(struct dsa_switch *ds, int port, 758487d3855SAlvin Šipraga struct ethtool_eth_mac_stats *mac_stats); 759487d3855SAlvin Šipraga void (*get_eth_ctrl_stats)(struct dsa_switch *ds, int port, 760487d3855SAlvin Šipraga struct ethtool_eth_ctrl_stats *ctrl_stats); 761c2ec5f2eSOleksij Rempel void (*get_stats64)(struct dsa_switch *ds, int port, 762c2ec5f2eSOleksij Rempel struct rtnl_link_stats64 *s); 763a71acad9SOleksij Rempel void (*self_test)(struct dsa_switch *ds, int port, 764a71acad9SOleksij Rempel struct ethtool_test *etest, u64 *data); 76524462549SFlorian Fainelli 76624462549SFlorian Fainelli /* 76719e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 76819e57c4eSFlorian Fainelli */ 76919e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 77019e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 77119e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 77219e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 77319e57c4eSFlorian Fainelli 77419e57c4eSFlorian Fainelli /* 7750336369dSBrandon Streiff * ethtool timestamp info 7760336369dSBrandon Streiff */ 7770336369dSBrandon Streiff int (*get_ts_info)(struct dsa_switch *ds, int port, 7780336369dSBrandon Streiff struct ethtool_ts_info *ts); 7790336369dSBrandon Streiff 7800336369dSBrandon Streiff /* 78124462549SFlorian Fainelli * Suspend and resume 78224462549SFlorian Fainelli */ 78324462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 78424462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 785b2f2af21SFlorian Fainelli 786b2f2af21SFlorian Fainelli /* 787b2f2af21SFlorian Fainelli * Port enable/disable 788b2f2af21SFlorian Fainelli */ 789b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 790b2f2af21SFlorian Fainelli struct phy_device *phy); 79175104db0SAndrew Lunn void (*port_disable)(struct dsa_switch *ds, int port); 7927905288fSFlorian Fainelli 7937905288fSFlorian Fainelli /* 79408f50061SVivien Didelot * Port's MAC EEE settings 7957905288fSFlorian Fainelli */ 79608f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 7977905288fSFlorian Fainelli struct ethtool_eee *e); 79808f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 7997905288fSFlorian Fainelli struct ethtool_eee *e); 80051579c3fSGuenter Roeck 8016793abb4SGuenter Roeck /* EEPROM access */ 8026793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 8036793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 8046793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 8056793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 8066793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 8073d762a0fSGuenter Roeck 8083d762a0fSGuenter Roeck /* 8093d762a0fSGuenter Roeck * Register access. 8103d762a0fSGuenter Roeck */ 8113d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 8123d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 8133d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 814b73adef6SFlorian Fainelli 815b73adef6SFlorian Fainelli /* 816e358bef7SVladimir Oltean * Upper device tracking. 817e358bef7SVladimir Oltean */ 818e358bef7SVladimir Oltean int (*port_prechangeupper)(struct dsa_switch *ds, int port, 819e358bef7SVladimir Oltean struct netdev_notifier_changeupper_info *info); 820e358bef7SVladimir Oltean 821e358bef7SVladimir Oltean /* 822b73adef6SFlorian Fainelli * Bridge integration 823b73adef6SFlorian Fainelli */ 82434a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 82571327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 826b079922bSVladimir Oltean struct dsa_bridge bridge, 827b079922bSVladimir Oltean bool *tx_fwd_offload); 828f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 829d3eed0e5SVladimir Oltean struct dsa_bridge bridge); 83043c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 831b73adef6SFlorian Fainelli u8 state); 832732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 833a8b659e7SVladimir Oltean int (*port_pre_bridge_flags)(struct dsa_switch *ds, int port, 834a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 835a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 836a8b659e7SVladimir Oltean int (*port_bridge_flags)(struct dsa_switch *ds, int port, 837a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 838a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 8392a778e1bSVivien Didelot 8402a778e1bSVivien Didelot /* 84111149536SVivien Didelot * VLAN support 84211149536SVivien Didelot */ 843fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 84489153ed6SVladimir Oltean bool vlan_filtering, 84589153ed6SVladimir Oltean struct netlink_ext_ack *extack); 8461958d581SVladimir Oltean int (*port_vlan_add)(struct dsa_switch *ds, int port, 84731046a5fSVladimir Oltean const struct switchdev_obj_port_vlan *vlan, 84831046a5fSVladimir Oltean struct netlink_ext_ack *extack); 84976e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 85076e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 85111149536SVivien Didelot /* 8522a778e1bSVivien Didelot * Forwarding database 8532a778e1bSVivien Didelot */ 8541b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 8556c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 8562a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 8576c2c1dcbSArkadi Sharshevsky const unsigned char *addr, u16 vid); 858ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 8592bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 8608df30255SVivien Didelot 8618df30255SVivien Didelot /* 8628df30255SVivien Didelot * Multicast database 8638df30255SVivien Didelot */ 864a52b2da7SVladimir Oltean int (*port_mdb_add)(struct dsa_switch *ds, int port, 8653709aadcSVivien Didelot const struct switchdev_obj_port_mdb *mdb); 8668df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 8678df30255SVivien Didelot const struct switchdev_obj_port_mdb *mdb); 868bf9f2648SFlorian Fainelli /* 869bf9f2648SFlorian Fainelli * RXNFC 870bf9f2648SFlorian Fainelli */ 871bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 872bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 873bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 874bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 875f50f2127SFlorian Fainelli 876f50f2127SFlorian Fainelli /* 877f50f2127SFlorian Fainelli * TC integration 878f50f2127SFlorian Fainelli */ 879ed11bb1fSVladimir Oltean int (*cls_flower_add)(struct dsa_switch *ds, int port, 880ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 881ed11bb1fSVladimir Oltean int (*cls_flower_del)(struct dsa_switch *ds, int port, 882ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 883ed11bb1fSVladimir Oltean int (*cls_flower_stats)(struct dsa_switch *ds, int port, 884ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 885f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 886f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 887f50f2127SFlorian Fainelli bool ingress); 888f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 889f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 89034297176SVladimir Oltean int (*port_policer_add)(struct dsa_switch *ds, int port, 89134297176SVladimir Oltean struct dsa_mall_policer_tc_entry *policer); 89234297176SVladimir Oltean void (*port_policer_del)(struct dsa_switch *ds, int port); 89347d23af2SVladimir Oltean int (*port_setup_tc)(struct dsa_switch *ds, int port, 89447d23af2SVladimir Oltean enum tc_setup_type type, void *type_data); 89540ef2c93SVivien Didelot 89640ef2c93SVivien Didelot /* 89740ef2c93SVivien Didelot * Cross-chip operations 89840ef2c93SVivien Didelot */ 899f66a6a69SVladimir Oltean int (*crosschip_bridge_join)(struct dsa_switch *ds, int tree_index, 900f66a6a69SVladimir Oltean int sw_index, int port, 901d3eed0e5SVladimir Oltean struct dsa_bridge bridge); 902f66a6a69SVladimir Oltean void (*crosschip_bridge_leave)(struct dsa_switch *ds, int tree_index, 903f66a6a69SVladimir Oltean int sw_index, int port, 904d3eed0e5SVladimir Oltean struct dsa_bridge bridge); 905058102a6STobias Waldekranz int (*crosschip_lag_change)(struct dsa_switch *ds, int sw_index, 906058102a6STobias Waldekranz int port); 907058102a6STobias Waldekranz int (*crosschip_lag_join)(struct dsa_switch *ds, int sw_index, 908058102a6STobias Waldekranz int port, struct net_device *lag, 909058102a6STobias Waldekranz struct netdev_lag_upper_info *info); 910058102a6STobias Waldekranz int (*crosschip_lag_leave)(struct dsa_switch *ds, int sw_index, 911058102a6STobias Waldekranz int port, struct net_device *lag); 9120336369dSBrandon Streiff 9130336369dSBrandon Streiff /* 9140336369dSBrandon Streiff * PTP functionality 9150336369dSBrandon Streiff */ 9160336369dSBrandon Streiff int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, 9170336369dSBrandon Streiff struct ifreq *ifr); 9180336369dSBrandon Streiff int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, 9190336369dSBrandon Streiff struct ifreq *ifr); 9205c5416f5SYangbo Lu void (*port_txtstamp)(struct dsa_switch *ds, int port, 9215c5416f5SYangbo Lu struct sk_buff *skb); 92290af1059SBrandon Streiff bool (*port_rxtstamp)(struct dsa_switch *ds, int port, 92390af1059SBrandon Streiff struct sk_buff *skb, unsigned int type); 92497a69a0dSVladimir Oltean 9250f06b855SAndrew Lunn /* Devlink parameters, etc */ 9266b297524SAndrew Lunn int (*devlink_param_get)(struct dsa_switch *ds, u32 id, 9276b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 9286b297524SAndrew Lunn int (*devlink_param_set)(struct dsa_switch *ds, u32 id, 9296b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 9300f06b855SAndrew Lunn int (*devlink_info_get)(struct dsa_switch *ds, 9310f06b855SAndrew Lunn struct devlink_info_req *req, 9320f06b855SAndrew Lunn struct netlink_ext_ack *extack); 9332a6ef763SVladimir Oltean int (*devlink_sb_pool_get)(struct dsa_switch *ds, 9342a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 9352a6ef763SVladimir Oltean struct devlink_sb_pool_info *pool_info); 9362a6ef763SVladimir Oltean int (*devlink_sb_pool_set)(struct dsa_switch *ds, unsigned int sb_index, 9372a6ef763SVladimir Oltean u16 pool_index, u32 size, 9382a6ef763SVladimir Oltean enum devlink_sb_threshold_type threshold_type, 9392a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 9402a6ef763SVladimir Oltean int (*devlink_sb_port_pool_get)(struct dsa_switch *ds, int port, 9412a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 9422a6ef763SVladimir Oltean u32 *p_threshold); 9432a6ef763SVladimir Oltean int (*devlink_sb_port_pool_set)(struct dsa_switch *ds, int port, 9442a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 9452a6ef763SVladimir Oltean u32 threshold, 9462a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 9472a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_get)(struct dsa_switch *ds, int port, 9482a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 9492a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 9502a6ef763SVladimir Oltean u16 *p_pool_index, u32 *p_threshold); 9512a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_set)(struct dsa_switch *ds, int port, 9522a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 9532a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 9542a6ef763SVladimir Oltean u16 pool_index, u32 threshold, 9552a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 9562a6ef763SVladimir Oltean int (*devlink_sb_occ_snapshot)(struct dsa_switch *ds, 9572a6ef763SVladimir Oltean unsigned int sb_index); 9582a6ef763SVladimir Oltean int (*devlink_sb_occ_max_clear)(struct dsa_switch *ds, 9592a6ef763SVladimir Oltean unsigned int sb_index); 9602a6ef763SVladimir Oltean int (*devlink_sb_occ_port_pool_get)(struct dsa_switch *ds, int port, 9612a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 9622a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 9632a6ef763SVladimir Oltean int (*devlink_sb_occ_tc_port_bind_get)(struct dsa_switch *ds, int port, 9642a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 9652a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 9662a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 967bfcb8132SVladimir Oltean 968bfcb8132SVladimir Oltean /* 969bfcb8132SVladimir Oltean * MTU change functionality. Switches can also adjust their MRU through 970bfcb8132SVladimir Oltean * this method. By MTU, one understands the SDU (L2 payload) length. 971bfcb8132SVladimir Oltean * If the switch needs to account for the DSA tag on the CPU port, this 972ab88d64aSRandy Dunlap * method needs to do so privately. 973bfcb8132SVladimir Oltean */ 974bfcb8132SVladimir Oltean int (*port_change_mtu)(struct dsa_switch *ds, int port, 975bfcb8132SVladimir Oltean int new_mtu); 976bfcb8132SVladimir Oltean int (*port_max_mtu)(struct dsa_switch *ds, int port); 977058102a6STobias Waldekranz 978058102a6STobias Waldekranz /* 979058102a6STobias Waldekranz * LAG integration 980058102a6STobias Waldekranz */ 981058102a6STobias Waldekranz int (*port_lag_change)(struct dsa_switch *ds, int port); 982058102a6STobias Waldekranz int (*port_lag_join)(struct dsa_switch *ds, int port, 983058102a6STobias Waldekranz struct net_device *lag, 984058102a6STobias Waldekranz struct netdev_lag_upper_info *info); 985058102a6STobias Waldekranz int (*port_lag_leave)(struct dsa_switch *ds, int port, 986058102a6STobias Waldekranz struct net_device *lag); 98718596f50SGeorge McCollister 98818596f50SGeorge McCollister /* 98918596f50SGeorge McCollister * HSR integration 99018596f50SGeorge McCollister */ 99118596f50SGeorge McCollister int (*port_hsr_join)(struct dsa_switch *ds, int port, 99218596f50SGeorge McCollister struct net_device *hsr); 99318596f50SGeorge McCollister int (*port_hsr_leave)(struct dsa_switch *ds, int port, 99418596f50SGeorge McCollister struct net_device *hsr); 995c595c433SHoratiu Vultur 996c595c433SHoratiu Vultur /* 997c595c433SHoratiu Vultur * MRP integration 998c595c433SHoratiu Vultur */ 999c595c433SHoratiu Vultur int (*port_mrp_add)(struct dsa_switch *ds, int port, 1000c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 1001c595c433SHoratiu Vultur int (*port_mrp_del)(struct dsa_switch *ds, int port, 1002c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 1003c595c433SHoratiu Vultur int (*port_mrp_add_ring_role)(struct dsa_switch *ds, int port, 1004c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 1005c595c433SHoratiu Vultur int (*port_mrp_del_ring_role)(struct dsa_switch *ds, int port, 1006c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 10075da11eb4SVladimir Oltean 10085da11eb4SVladimir Oltean /* 10095da11eb4SVladimir Oltean * tag_8021q operations 10105da11eb4SVladimir Oltean */ 10115da11eb4SVladimir Oltean int (*tag_8021q_vlan_add)(struct dsa_switch *ds, int port, u16 vid, 10125da11eb4SVladimir Oltean u16 flags); 10135da11eb4SVladimir Oltean int (*tag_8021q_vlan_del)(struct dsa_switch *ds, int port, u16 vid); 10146b297524SAndrew Lunn }; 10156b297524SAndrew Lunn 10166b297524SAndrew Lunn #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ 10176b297524SAndrew Lunn DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, \ 10186b297524SAndrew Lunn dsa_devlink_param_get, dsa_devlink_param_set, NULL) 10196b297524SAndrew Lunn 10206b297524SAndrew Lunn int dsa_devlink_param_get(struct devlink *dl, u32 id, 10216b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 10226b297524SAndrew Lunn int dsa_devlink_param_set(struct devlink *dl, u32 id, 10236b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 10246b297524SAndrew Lunn int dsa_devlink_params_register(struct dsa_switch *ds, 10256b297524SAndrew Lunn const struct devlink_param *params, 10266b297524SAndrew Lunn size_t params_count); 10276b297524SAndrew Lunn void dsa_devlink_params_unregister(struct dsa_switch *ds, 10286b297524SAndrew Lunn const struct devlink_param *params, 10296b297524SAndrew Lunn size_t params_count); 10305cd73fbdSAndrew Lunn int dsa_devlink_resource_register(struct dsa_switch *ds, 10315cd73fbdSAndrew Lunn const char *resource_name, 10325cd73fbdSAndrew Lunn u64 resource_size, 10335cd73fbdSAndrew Lunn u64 resource_id, 10345cd73fbdSAndrew Lunn u64 parent_resource_id, 10355cd73fbdSAndrew Lunn const struct devlink_resource_size_params *size_params); 10365cd73fbdSAndrew Lunn 10375cd73fbdSAndrew Lunn void dsa_devlink_resources_unregister(struct dsa_switch *ds); 10385cd73fbdSAndrew Lunn 10395cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds, 10405cd73fbdSAndrew Lunn u64 resource_id, 10415cd73fbdSAndrew Lunn devlink_resource_occ_get_t *occ_get, 10425cd73fbdSAndrew Lunn void *occ_get_priv); 10435cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds, 10445cd73fbdSAndrew Lunn u64 resource_id); 104597c82c23SAndrew Lunn struct devlink_region * 104697c82c23SAndrew Lunn dsa_devlink_region_create(struct dsa_switch *ds, 104797c82c23SAndrew Lunn const struct devlink_region_ops *ops, 104897c82c23SAndrew Lunn u32 region_max_snapshots, u64 region_size); 104908156ba4SAndrew Lunn struct devlink_region * 105008156ba4SAndrew Lunn dsa_devlink_port_region_create(struct dsa_switch *ds, 105108156ba4SAndrew Lunn int port, 105208156ba4SAndrew Lunn const struct devlink_port_region_ops *ops, 105308156ba4SAndrew Lunn u32 region_max_snapshots, u64 region_size); 105497c82c23SAndrew Lunn void dsa_devlink_region_destroy(struct devlink_region *region); 105597c82c23SAndrew Lunn 1056e1eea811SVladimir Oltean struct dsa_port *dsa_port_from_netdev(struct net_device *netdev); 10575cd73fbdSAndrew Lunn 10586b297524SAndrew Lunn struct dsa_devlink_priv { 10596b297524SAndrew Lunn struct dsa_switch *ds; 1060c8f0b869SBen Hutchings }; 1061c8f0b869SBen Hutchings 1062ccc3e6b0SAndrew Lunn static inline struct dsa_switch *dsa_devlink_to_ds(struct devlink *dl) 1063ccc3e6b0SAndrew Lunn { 1064ccc3e6b0SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 1065ccc3e6b0SAndrew Lunn 1066ccc3e6b0SAndrew Lunn return dl_priv->ds; 1067ccc3e6b0SAndrew Lunn } 1068ccc3e6b0SAndrew Lunn 10697d1e2a10SAndrew Lunn static inline 10707d1e2a10SAndrew Lunn struct dsa_switch *dsa_devlink_port_to_ds(struct devlink_port *port) 10717d1e2a10SAndrew Lunn { 10727d1e2a10SAndrew Lunn struct devlink *dl = port->devlink; 10737d1e2a10SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 10747d1e2a10SAndrew Lunn 10757d1e2a10SAndrew Lunn return dl_priv->ds; 10767d1e2a10SAndrew Lunn } 10777d1e2a10SAndrew Lunn 10787d1e2a10SAndrew Lunn static inline int dsa_devlink_port_to_port(struct devlink_port *port) 10797d1e2a10SAndrew Lunn { 10807d1e2a10SAndrew Lunn return port->index; 10817d1e2a10SAndrew Lunn } 10827d1e2a10SAndrew Lunn 1083ab3d408dSFlorian Fainelli struct dsa_switch_driver { 1084ab3d408dSFlorian Fainelli struct list_head list; 1085a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 1086ab3d408dSFlorian Fainelli }; 1087ab3d408dSFlorian Fainelli 108814b89f36SFlorian Fainelli struct net_device *dsa_dev_to_net_device(struct device *dev); 1089c8f0b869SBen Hutchings 109073a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 10919eb8eff0SVladimir Oltean static inline bool netdev_uses_dsa(const struct net_device *dev) 1092c6e970a0SAndrew Lunn { 1093c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 1094717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 1095c6e970a0SAndrew Lunn #endif 1096c6e970a0SAndrew Lunn return false; 1097c6e970a0SAndrew Lunn } 1098c6e970a0SAndrew Lunn 10999790cf20SVladimir Oltean /* All DSA tags that push the EtherType to the right (basically all except tail 11009790cf20SVladimir Oltean * tags, which don't break dissection) can be treated the same from the 11019790cf20SVladimir Oltean * perspective of the flow dissector. 11029790cf20SVladimir Oltean * 11039790cf20SVladimir Oltean * We need to return: 11049790cf20SVladimir Oltean * - offset: the (B - A) difference between: 11059790cf20SVladimir Oltean * A. the position of the real EtherType and 11069790cf20SVladimir Oltean * B. the current skb->data (aka ETH_HLEN bytes into the frame, aka 2 bytes 11079790cf20SVladimir Oltean * after the normal EtherType was supposed to be) 11089790cf20SVladimir Oltean * The offset in bytes is exactly equal to the tagger overhead (and half of 11099790cf20SVladimir Oltean * that, in __be16 shorts). 11109790cf20SVladimir Oltean * 11119790cf20SVladimir Oltean * - proto: the value of the real EtherType. 11129790cf20SVladimir Oltean */ 11139790cf20SVladimir Oltean static inline void dsa_tag_generic_flow_dissect(const struct sk_buff *skb, 11149790cf20SVladimir Oltean __be16 *proto, int *offset) 11159790cf20SVladimir Oltean { 11169790cf20SVladimir Oltean #if IS_ENABLED(CONFIG_NET_DSA) 11179790cf20SVladimir Oltean const struct dsa_device_ops *ops = skb->dev->dsa_ptr->tag_ops; 11184e500251SVladimir Oltean int tag_len = ops->needed_headroom; 11199790cf20SVladimir Oltean 11209790cf20SVladimir Oltean *offset = tag_len; 11219790cf20SVladimir Oltean *proto = ((__be16 *)skb->data)[(tag_len / 2) - 1]; 11229790cf20SVladimir Oltean #endif 11239790cf20SVladimir Oltean } 11249790cf20SVladimir Oltean 11254cfab356SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 11264cfab356SFlorian Fainelli static inline int __dsa_netdevice_ops_check(struct net_device *dev) 11274cfab356SFlorian Fainelli { 11284cfab356SFlorian Fainelli int err = -EOPNOTSUPP; 11294cfab356SFlorian Fainelli 11304cfab356SFlorian Fainelli if (!dev->dsa_ptr) 11314cfab356SFlorian Fainelli return err; 11324cfab356SFlorian Fainelli 11334cfab356SFlorian Fainelli if (!dev->dsa_ptr->netdev_ops) 11344cfab356SFlorian Fainelli return err; 11354cfab356SFlorian Fainelli 11364cfab356SFlorian Fainelli return 0; 11374cfab356SFlorian Fainelli } 11384cfab356SFlorian Fainelli 1139a7605370SArnd Bergmann static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, 11404cfab356SFlorian Fainelli int cmd) 11414cfab356SFlorian Fainelli { 11424cfab356SFlorian Fainelli const struct dsa_netdevice_ops *ops; 11434cfab356SFlorian Fainelli int err; 11444cfab356SFlorian Fainelli 11454cfab356SFlorian Fainelli err = __dsa_netdevice_ops_check(dev); 11464cfab356SFlorian Fainelli if (err) 11474cfab356SFlorian Fainelli return err; 11484cfab356SFlorian Fainelli 11494cfab356SFlorian Fainelli ops = dev->dsa_ptr->netdev_ops; 11504cfab356SFlorian Fainelli 1151a7605370SArnd Bergmann return ops->ndo_eth_ioctl(dev, ifr, cmd); 11524cfab356SFlorian Fainelli } 11534cfab356SFlorian Fainelli #else 1154a7605370SArnd Bergmann static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, 11554cfab356SFlorian Fainelli int cmd) 11564cfab356SFlorian Fainelli { 11574cfab356SFlorian Fainelli return -EOPNOTSUPP; 11584cfab356SFlorian Fainelli } 11594cfab356SFlorian Fainelli #endif 11604cfab356SFlorian Fainelli 116183c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 116223c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 11630650bf52SVladimir Oltean void dsa_switch_shutdown(struct dsa_switch *ds); 11643b7bc1f0SVladimir Oltean struct dsa_switch *dsa_switch_find(int tree_index, int sw_index); 1165ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 1166ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 1167ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 1168ea825e70SFlorian Fainelli #else 1169ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 1170ea825e70SFlorian Fainelli { 1171ea825e70SFlorian Fainelli return 0; 1172ea825e70SFlorian Fainelli } 1173ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 1174ea825e70SFlorian Fainelli { 1175ea825e70SFlorian Fainelli return 0; 1176ea825e70SFlorian Fainelli } 1177ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 1178ea825e70SFlorian Fainelli 117960724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 1180a5e3c9baSVladimir Oltean bool dsa_slave_dev_check(const struct net_device *dev); 118160724d4bSFlorian Fainelli #else 1182a5e3c9baSVladimir Oltean static inline bool dsa_slave_dev_check(const struct net_device *dev) 1183a5e3c9baSVladimir Oltean { 1184a5e3c9baSVladimir Oltean return false; 1185a5e3c9baSVladimir Oltean } 118660724d4bSFlorian Fainelli #endif 118760724d4bSFlorian Fainelli 118897a69a0dSVladimir Oltean netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev); 1189cf963573SFlorian Fainelli int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data); 1190cf963573SFlorian Fainelli int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); 1191cf963573SFlorian Fainelli int dsa_port_get_phy_sset_count(struct dsa_port *dp); 119211d8f3ddSFlorian Fainelli void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); 1193cf963573SFlorian Fainelli 1194d3b8c049SAndrew Lunn struct dsa_tag_driver { 1195d3b8c049SAndrew Lunn const struct dsa_device_ops *ops; 1196d3b8c049SAndrew Lunn struct list_head list; 1197d3b8c049SAndrew Lunn struct module *owner; 1198d3b8c049SAndrew Lunn }; 1199d3b8c049SAndrew Lunn 1200d3b8c049SAndrew Lunn void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[], 1201d3b8c049SAndrew Lunn unsigned int count, 1202d3b8c049SAndrew Lunn struct module *owner); 1203d3b8c049SAndrew Lunn void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[], 1204d3b8c049SAndrew Lunn unsigned int count); 1205d3b8c049SAndrew Lunn 1206d3b8c049SAndrew Lunn #define dsa_tag_driver_module_drivers(__dsa_tag_drivers_array, __count) \ 1207d3b8c049SAndrew Lunn static int __init dsa_tag_driver_module_init(void) \ 1208d3b8c049SAndrew Lunn { \ 1209d3b8c049SAndrew Lunn dsa_tag_drivers_register(__dsa_tag_drivers_array, __count, \ 1210d3b8c049SAndrew Lunn THIS_MODULE); \ 1211d3b8c049SAndrew Lunn return 0; \ 1212d3b8c049SAndrew Lunn } \ 1213d3b8c049SAndrew Lunn module_init(dsa_tag_driver_module_init); \ 1214d3b8c049SAndrew Lunn \ 1215d3b8c049SAndrew Lunn static void __exit dsa_tag_driver_module_exit(void) \ 1216d3b8c049SAndrew Lunn { \ 1217d3b8c049SAndrew Lunn dsa_tag_drivers_unregister(__dsa_tag_drivers_array, __count); \ 1218d3b8c049SAndrew Lunn } \ 1219d3b8c049SAndrew Lunn module_exit(dsa_tag_driver_module_exit) 1220d3b8c049SAndrew Lunn 1221d3b8c049SAndrew Lunn /** 1222d3b8c049SAndrew Lunn * module_dsa_tag_drivers() - Helper macro for registering DSA tag 1223d3b8c049SAndrew Lunn * drivers 1224d3b8c049SAndrew Lunn * @__ops_array: Array of tag driver strucutres 1225d3b8c049SAndrew Lunn * 1226d3b8c049SAndrew Lunn * Helper macro for DSA tag drivers which do not do anything special 1227d3b8c049SAndrew Lunn * in module init/exit. Each module may only use this macro once, and 1228d3b8c049SAndrew Lunn * calling it replaces module_init() and module_exit(). 1229d3b8c049SAndrew Lunn */ 1230d3b8c049SAndrew Lunn #define module_dsa_tag_drivers(__ops_array) \ 1231d3b8c049SAndrew Lunn dsa_tag_driver_module_drivers(__ops_array, ARRAY_SIZE(__ops_array)) 1232d3b8c049SAndrew Lunn 1233d3b8c049SAndrew Lunn #define DSA_TAG_DRIVER_NAME(__ops) dsa_tag_driver ## _ ## __ops 1234d3b8c049SAndrew Lunn 1235d3b8c049SAndrew Lunn /* Create a static structure we can build a linked list of dsa_tag 1236d3b8c049SAndrew Lunn * drivers 1237d3b8c049SAndrew Lunn */ 1238d3b8c049SAndrew Lunn #define DSA_TAG_DRIVER(__ops) \ 1239d3b8c049SAndrew Lunn static struct dsa_tag_driver DSA_TAG_DRIVER_NAME(__ops) = { \ 1240d3b8c049SAndrew Lunn .ops = &__ops, \ 1241d3b8c049SAndrew Lunn } 1242d3b8c049SAndrew Lunn 1243d3b8c049SAndrew Lunn /** 1244d3b8c049SAndrew Lunn * module_dsa_tag_driver() - Helper macro for registering a single DSA tag 1245d3b8c049SAndrew Lunn * driver 1246d3b8c049SAndrew Lunn * @__ops: Single tag driver structures 1247d3b8c049SAndrew Lunn * 1248d3b8c049SAndrew Lunn * Helper macro for DSA tag drivers which do not do anything special 1249d3b8c049SAndrew Lunn * in module init/exit. Each module may only use this macro once, and 1250d3b8c049SAndrew Lunn * calling it replaces module_init() and module_exit(). 1251d3b8c049SAndrew Lunn */ 1252d3b8c049SAndrew Lunn #define module_dsa_tag_driver(__ops) \ 1253d3b8c049SAndrew Lunn DSA_TAG_DRIVER(__ops); \ 1254d3b8c049SAndrew Lunn \ 1255d3b8c049SAndrew Lunn static struct dsa_tag_driver *dsa_tag_driver_array[] = { \ 1256d3b8c049SAndrew Lunn &DSA_TAG_DRIVER_NAME(__ops) \ 1257d3b8c049SAndrew Lunn }; \ 1258d3b8c049SAndrew Lunn module_dsa_tag_drivers(dsa_tag_driver_array) 125991da11f8SLennert Buytenhek #endif 1260d3b8c049SAndrew Lunn 1261