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 2519d05ea7SVladimir Oltean struct dsa_8021q_context; 26f50f2127SFlorian Fainelli struct tc_action; 274d56a29fSRussell King struct phy_device; 284d56a29fSRussell King struct fixed_phy_status; 2911d8f3ddSFlorian Fainelli struct phylink_link_state; 30f50f2127SFlorian Fainelli 310b42f033SAndrew Lunn #define DSA_TAG_PROTO_NONE_VALUE 0 320b42f033SAndrew Lunn #define DSA_TAG_PROTO_BRCM_VALUE 1 330b42f033SAndrew Lunn #define DSA_TAG_PROTO_BRCM_PREPEND_VALUE 2 340b42f033SAndrew Lunn #define DSA_TAG_PROTO_DSA_VALUE 3 350b42f033SAndrew Lunn #define DSA_TAG_PROTO_EDSA_VALUE 4 360b42f033SAndrew Lunn #define DSA_TAG_PROTO_GSWIP_VALUE 5 370b42f033SAndrew Lunn #define DSA_TAG_PROTO_KSZ9477_VALUE 6 380b42f033SAndrew Lunn #define DSA_TAG_PROTO_KSZ9893_VALUE 7 390b42f033SAndrew Lunn #define DSA_TAG_PROTO_LAN9303_VALUE 8 400b42f033SAndrew Lunn #define DSA_TAG_PROTO_MTK_VALUE 9 410b42f033SAndrew Lunn #define DSA_TAG_PROTO_QCA_VALUE 10 420b42f033SAndrew Lunn #define DSA_TAG_PROTO_TRAILER_VALUE 11 43f9bbe447SVladimir Oltean #define DSA_TAG_PROTO_8021Q_VALUE 12 44227d07a0SVladimir Oltean #define DSA_TAG_PROTO_SJA1105_VALUE 13 45016e43a2STristram Ha #define DSA_TAG_PROTO_KSZ8795_VALUE 14 468dce89aaSVladimir Oltean #define DSA_TAG_PROTO_OCELOT_VALUE 15 4748fda74fSOleksij Rempel #define DSA_TAG_PROTO_AR9331_VALUE 16 48efd7fe68SLinus Walleij #define DSA_TAG_PROTO_RTL4_A_VALUE 17 4901ef09caSKurt Kanzenbach #define DSA_TAG_PROTO_HELLCREEK_VALUE 18 5054a52823SGeorge McCollister #define DSA_TAG_PROTO_XRS700X_VALUE 19 517c83a7c5SVladimir Oltean #define DSA_TAG_PROTO_OCELOT_8021Q_VALUE 20 527c4bb540SVladimir Oltean #define DSA_TAG_PROTO_SEVILLE_VALUE 21 53964dbf18SÁlvaro Fernández Rojas #define DSA_TAG_PROTO_BRCM_LEGACY_VALUE 22 544913b8ebSVladimir Oltean #define DSA_TAG_PROTO_SJA1110_VALUE 23 551521d5adSAlvin Šipraga #define DSA_TAG_PROTO_RTL8_4_VALUE 24 56cd87fecdSLuiz Angelo Daros de Luca #define DSA_TAG_PROTO_RTL8_4T_VALUE 25 57a08d6a6dSClément Léger #define DSA_TAG_PROTO_RZN1_A5PSW_VALUE 26 58092f8751SPrasanna Vengateshan #define DSA_TAG_PROTO_LAN937X_VALUE 27 590b42f033SAndrew Lunn 60ac7a04c3SFlorian Fainelli enum dsa_tag_protocol { 610b42f033SAndrew Lunn DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, 620b42f033SAndrew Lunn DSA_TAG_PROTO_BRCM = DSA_TAG_PROTO_BRCM_VALUE, 63964dbf18SÁlvaro Fernández Rojas DSA_TAG_PROTO_BRCM_LEGACY = DSA_TAG_PROTO_BRCM_LEGACY_VALUE, 640b42f033SAndrew Lunn DSA_TAG_PROTO_BRCM_PREPEND = DSA_TAG_PROTO_BRCM_PREPEND_VALUE, 650b42f033SAndrew Lunn DSA_TAG_PROTO_DSA = DSA_TAG_PROTO_DSA_VALUE, 660b42f033SAndrew Lunn DSA_TAG_PROTO_EDSA = DSA_TAG_PROTO_EDSA_VALUE, 670b42f033SAndrew Lunn DSA_TAG_PROTO_GSWIP = DSA_TAG_PROTO_GSWIP_VALUE, 680b42f033SAndrew Lunn DSA_TAG_PROTO_KSZ9477 = DSA_TAG_PROTO_KSZ9477_VALUE, 690b42f033SAndrew Lunn DSA_TAG_PROTO_KSZ9893 = DSA_TAG_PROTO_KSZ9893_VALUE, 700b42f033SAndrew Lunn DSA_TAG_PROTO_LAN9303 = DSA_TAG_PROTO_LAN9303_VALUE, 710b42f033SAndrew Lunn DSA_TAG_PROTO_MTK = DSA_TAG_PROTO_MTK_VALUE, 720b42f033SAndrew Lunn DSA_TAG_PROTO_QCA = DSA_TAG_PROTO_QCA_VALUE, 730b42f033SAndrew Lunn DSA_TAG_PROTO_TRAILER = DSA_TAG_PROTO_TRAILER_VALUE, 74f9bbe447SVladimir Oltean DSA_TAG_PROTO_8021Q = DSA_TAG_PROTO_8021Q_VALUE, 75227d07a0SVladimir Oltean DSA_TAG_PROTO_SJA1105 = DSA_TAG_PROTO_SJA1105_VALUE, 76016e43a2STristram Ha DSA_TAG_PROTO_KSZ8795 = DSA_TAG_PROTO_KSZ8795_VALUE, 778dce89aaSVladimir Oltean DSA_TAG_PROTO_OCELOT = DSA_TAG_PROTO_OCELOT_VALUE, 7848fda74fSOleksij Rempel DSA_TAG_PROTO_AR9331 = DSA_TAG_PROTO_AR9331_VALUE, 79efd7fe68SLinus Walleij DSA_TAG_PROTO_RTL4_A = DSA_TAG_PROTO_RTL4_A_VALUE, 8001ef09caSKurt Kanzenbach DSA_TAG_PROTO_HELLCREEK = DSA_TAG_PROTO_HELLCREEK_VALUE, 8154a52823SGeorge McCollister DSA_TAG_PROTO_XRS700X = DSA_TAG_PROTO_XRS700X_VALUE, 827c83a7c5SVladimir Oltean DSA_TAG_PROTO_OCELOT_8021Q = DSA_TAG_PROTO_OCELOT_8021Q_VALUE, 837c4bb540SVladimir Oltean DSA_TAG_PROTO_SEVILLE = DSA_TAG_PROTO_SEVILLE_VALUE, 844913b8ebSVladimir Oltean DSA_TAG_PROTO_SJA1110 = DSA_TAG_PROTO_SJA1110_VALUE, 851521d5adSAlvin Šipraga DSA_TAG_PROTO_RTL8_4 = DSA_TAG_PROTO_RTL8_4_VALUE, 86cd87fecdSLuiz Angelo Daros de Luca DSA_TAG_PROTO_RTL8_4T = DSA_TAG_PROTO_RTL8_4T_VALUE, 87a08d6a6dSClément Léger DSA_TAG_PROTO_RZN1_A5PSW = DSA_TAG_PROTO_RZN1_A5PSW_VALUE, 88092f8751SPrasanna Vengateshan DSA_TAG_PROTO_LAN937X = DSA_TAG_PROTO_LAN937X_VALUE, 89ac7a04c3SFlorian Fainelli }; 905037d532SFlorian Fainelli 9190af1059SBrandon Streiff struct dsa_switch; 923e8a72d1SFlorian Fainelli 9368277a2cSJohn Crispin struct dsa_device_ops { 9468277a2cSJohn Crispin struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); 9529a097b7SVladimir Oltean struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); 962e8cb1b3SVladimir Oltean void (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, 97598a9680SJohn Crispin int *offset); 987f297314SVladimir Oltean int (*connect)(struct dsa_switch *ds); 997f297314SVladimir Oltean void (*disconnect)(struct dsa_switch *ds); 1004e500251SVladimir Oltean unsigned int needed_headroom; 1014e500251SVladimir Oltean unsigned int needed_tailroom; 102875138f8SAndrew Lunn const char *name; 103056eed2fSAndrew Lunn enum dsa_tag_protocol proto; 104c3975400SVladimir Oltean /* Some tagging protocols either mangle or shift the destination MAC 105c3975400SVladimir Oltean * address, in which case the DSA master would drop packets on ingress 106c3975400SVladimir Oltean * if what it understands out of the destination MAC address is not in 107c3975400SVladimir Oltean * its RX filter. 108c3975400SVladimir Oltean */ 109c3975400SVladimir Oltean bool promisc_on_master; 11068277a2cSJohn Crispin }; 11168277a2cSJohn Crispin 1124cfab356SFlorian Fainelli /* This structure defines the control interfaces that are overlayed by the 1134cfab356SFlorian Fainelli * DSA layer on top of the DSA CPU/management net_device instance. This is 1144cfab356SFlorian Fainelli * used by the core net_device layer while calling various net_device_ops 1154cfab356SFlorian Fainelli * function pointers. 1164cfab356SFlorian Fainelli */ 1174cfab356SFlorian Fainelli struct dsa_netdevice_ops { 118a7605370SArnd Bergmann int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, 1194cfab356SFlorian Fainelli int cmd); 1204cfab356SFlorian Fainelli }; 1214cfab356SFlorian Fainelli 122dedd6a00SVladimir Oltean struct dsa_lag { 123dedd6a00SVladimir Oltean struct net_device *dev; 124dedd6a00SVladimir Oltean unsigned int id; 125e212fa7cSVladimir Oltean struct mutex fdb_lock; 126e212fa7cSVladimir Oltean struct list_head fdbs; 127dedd6a00SVladimir Oltean refcount_t refcount; 128dedd6a00SVladimir Oltean }; 129dedd6a00SVladimir Oltean 130cf50dcc2SBen Hutchings struct dsa_switch_tree { 13183c0afaeSAndrew Lunn struct list_head list; 13283c0afaeSAndrew Lunn 133b035c88cSVladimir Oltean /* List of switch ports */ 134b035c88cSVladimir Oltean struct list_head ports; 135b035c88cSVladimir Oltean 136f515f192SVivien Didelot /* Notifier chain for switch-wide events */ 137f515f192SVivien Didelot struct raw_notifier_head nh; 138f515f192SVivien Didelot 13983c0afaeSAndrew Lunn /* Tree identifier */ 14049463b7fSVivien Didelot unsigned int index; 14183c0afaeSAndrew Lunn 14283c0afaeSAndrew Lunn /* Number of switches attached to this tree */ 14383c0afaeSAndrew Lunn struct kref refcount; 14483c0afaeSAndrew Lunn 145b035c88cSVladimir Oltean /* Maps offloaded LAG netdevs to a zero-based linear ID for 146b035c88cSVladimir Oltean * drivers that need it. 147b035c88cSVladimir Oltean */ 148dedd6a00SVladimir Oltean struct dsa_lag **lags; 149b035c88cSVladimir Oltean 150357f203bSVladimir Oltean /* Tagging protocol operations */ 151357f203bSVladimir Oltean const struct dsa_device_ops *tag_ops; 152357f203bSVladimir Oltean 153deff7107STobias Waldekranz /* Default tagging protocol preferred by the switches in this 154deff7107STobias Waldekranz * tree. 155deff7107STobias Waldekranz */ 156deff7107STobias Waldekranz enum dsa_tag_protocol default_proto; 157deff7107STobias Waldekranz 1584b026e82SVladimir Oltean /* Has this tree been applied to the hardware? */ 1594b026e82SVladimir Oltean bool setup; 1604b026e82SVladimir Oltean 161cf50dcc2SBen Hutchings /* 162cf50dcc2SBen Hutchings * Configuration data for the platform device that owns 163cf50dcc2SBen Hutchings * this dsa switch tree instance. 164cf50dcc2SBen Hutchings */ 165cf50dcc2SBen Hutchings struct dsa_platform_data *pd; 166cf85d08fSLennert Buytenhek 167c5f51765SVivien Didelot /* List of DSA links composing the routing table */ 168c5f51765SVivien Didelot struct list_head rtable; 169058102a6STobias Waldekranz 170b035c88cSVladimir Oltean /* Length of "lags" array */ 171058102a6STobias Waldekranz unsigned int lags_len; 1725b22d366SVladimir Oltean 1735b22d366SVladimir Oltean /* Track the largest switch index within a tree */ 1745b22d366SVladimir Oltean unsigned int last_switch; 175cf50dcc2SBen Hutchings }; 176cf50dcc2SBen Hutchings 1773d4a0a2aSVladimir Oltean /* LAG IDs are one-based, the dst->lags array is zero-based */ 178058102a6STobias Waldekranz #define dsa_lags_foreach_id(_id, _dst) \ 1793d4a0a2aSVladimir Oltean for ((_id) = 1; (_id) <= (_dst)->lags_len; (_id)++) \ 1803d4a0a2aSVladimir Oltean if ((_dst)->lags[(_id) - 1]) 181058102a6STobias Waldekranz 182058102a6STobias Waldekranz #define dsa_lag_foreach_port(_dp, _dst, _lag) \ 183058102a6STobias Waldekranz list_for_each_entry((_dp), &(_dst)->ports, list) \ 184dedd6a00SVladimir Oltean if (dsa_port_offloads_lag((_dp), (_lag))) 185058102a6STobias Waldekranz 18618596f50SGeorge McCollister #define dsa_hsr_foreach_port(_dp, _ds, _hsr) \ 18718596f50SGeorge McCollister list_for_each_entry((_dp), &(_ds)->dst->ports, list) \ 18818596f50SGeorge McCollister if ((_dp)->ds == (_ds) && (_dp)->hsr_dev == (_hsr)) 18918596f50SGeorge McCollister 190dedd6a00SVladimir Oltean static inline struct dsa_lag *dsa_lag_by_id(struct dsa_switch_tree *dst, 191058102a6STobias Waldekranz unsigned int id) 192058102a6STobias Waldekranz { 1933d4a0a2aSVladimir Oltean /* DSA LAG IDs are one-based, dst->lags is zero-based */ 1943d4a0a2aSVladimir Oltean return dst->lags[id - 1]; 195058102a6STobias Waldekranz } 196058102a6STobias Waldekranz 197058102a6STobias Waldekranz static inline int dsa_lag_id(struct dsa_switch_tree *dst, 19846a76724SVladimir Oltean struct net_device *lag_dev) 199058102a6STobias Waldekranz { 200058102a6STobias Waldekranz unsigned int id; 201058102a6STobias Waldekranz 202058102a6STobias Waldekranz dsa_lags_foreach_id(id, dst) { 203dedd6a00SVladimir Oltean struct dsa_lag *lag = dsa_lag_by_id(dst, id); 204dedd6a00SVladimir Oltean 205dedd6a00SVladimir Oltean if (lag->dev == lag_dev) 206dedd6a00SVladimir Oltean return lag->id; 207058102a6STobias Waldekranz } 208058102a6STobias Waldekranz 209058102a6STobias Waldekranz return -ENODEV; 210058102a6STobias Waldekranz } 211058102a6STobias Waldekranz 21234297176SVladimir Oltean /* TC matchall action types */ 213f50f2127SFlorian Fainelli enum dsa_port_mall_action_type { 214f50f2127SFlorian Fainelli DSA_PORT_MALL_MIRROR, 21534297176SVladimir Oltean DSA_PORT_MALL_POLICER, 216f50f2127SFlorian Fainelli }; 217f50f2127SFlorian Fainelli 218f50f2127SFlorian Fainelli /* TC mirroring entry */ 219f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry { 220f50f2127SFlorian Fainelli u8 to_local_port; 221f50f2127SFlorian Fainelli bool ingress; 222f50f2127SFlorian Fainelli }; 223f50f2127SFlorian Fainelli 22434297176SVladimir Oltean /* TC port policer entry */ 22534297176SVladimir Oltean struct dsa_mall_policer_tc_entry { 2265f035af7SPo Liu u32 burst; 22734297176SVladimir Oltean u64 rate_bytes_per_sec; 22834297176SVladimir Oltean }; 22934297176SVladimir Oltean 230f50f2127SFlorian Fainelli /* TC matchall entry */ 231f50f2127SFlorian Fainelli struct dsa_mall_tc_entry { 232f50f2127SFlorian Fainelli struct list_head list; 233f50f2127SFlorian Fainelli unsigned long cookie; 234f50f2127SFlorian Fainelli enum dsa_port_mall_action_type type; 235f50f2127SFlorian Fainelli union { 236f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry mirror; 23734297176SVladimir Oltean struct dsa_mall_policer_tc_entry policer; 238f50f2127SFlorian Fainelli }; 239f50f2127SFlorian Fainelli }; 240f50f2127SFlorian Fainelli 241d3eed0e5SVladimir Oltean struct dsa_bridge { 242d3eed0e5SVladimir Oltean struct net_device *dev; 243d3eed0e5SVladimir Oltean unsigned int num; 244857fdd74SVladimir Oltean bool tx_fwd_offload; 245d3eed0e5SVladimir Oltean refcount_t refcount; 246d3eed0e5SVladimir Oltean }; 247f50f2127SFlorian Fainelli 248c8b09808SAndrew Lunn struct dsa_port { 249f8b8b1cdSVivien Didelot /* A CPU port is physically connected to a master device. 250f8b8b1cdSVivien Didelot * A user port exposed to userspace has a slave device. 251f8b8b1cdSVivien Didelot */ 252f8b8b1cdSVivien Didelot union { 253f8b8b1cdSVivien Didelot struct net_device *master; 254f8b8b1cdSVivien Didelot struct net_device *slave; 255f8b8b1cdSVivien Didelot }; 256f8b8b1cdSVivien Didelot 257357f203bSVladimir Oltean /* Copy of the tagging protocol operations, for quicker access 258357f203bSVladimir Oltean * in the data path. Valid only for the CPU ports. 259357f203bSVladimir Oltean */ 26015240248SVivien Didelot const struct dsa_device_ops *tag_ops; 26115240248SVivien Didelot 2623e41f93bSVivien Didelot /* Copies for faster access in master receive hot path */ 2633e41f93bSVivien Didelot struct dsa_switch_tree *dst; 26429a097b7SVladimir Oltean struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); 2653e41f93bSVivien Didelot 26606251258SVladimir Oltean struct dsa_switch *ds; 26706251258SVladimir Oltean 26806251258SVladimir Oltean unsigned int index; 26906251258SVladimir Oltean 270057cad2cSVivien Didelot enum { 271057cad2cSVivien Didelot DSA_PORT_TYPE_UNUSED = 0, 272057cad2cSVivien Didelot DSA_PORT_TYPE_CPU, 273057cad2cSVivien Didelot DSA_PORT_TYPE_DSA, 274057cad2cSVivien Didelot DSA_PORT_TYPE_USER, 275057cad2cSVivien Didelot } type; 276057cad2cSVivien Didelot 27771e0bbdeSFlorian Fainelli const char *name; 27868b2d4a8SVivien Didelot struct dsa_port *cpu_dp; 27983216e39SMichael Walle u8 mac[ETH_ALEN]; 280b08db33dSVladimir Oltean 281b08db33dSVladimir Oltean u8 stp_state; 282b08db33dSVladimir Oltean 2831b26d364SVladimir Oltean /* Warning: the following bit fields are not atomic, and updating them 2841b26d364SVladimir Oltean * can only be done from code paths where concurrency is not possible 2851b26d364SVladimir Oltean * (probe time or under rtnl_lock). 2861b26d364SVladimir Oltean */ 28763cfc657SVladimir Oltean u8 vlan_filtering:1; 28863cfc657SVladimir Oltean 28963cfc657SVladimir Oltean /* Managed by DSA on user ports and by drivers on CPU and DSA ports */ 29063cfc657SVladimir Oltean u8 learning:1; 29163cfc657SVladimir Oltean 29263cfc657SVladimir Oltean u8 lag_tx_enabled:1; 29363cfc657SVladimir Oltean 294295ab96fSVladimir Oltean /* Master state bits, valid only on CPU ports */ 295295ab96fSVladimir Oltean u8 master_admin_up:1; 296295ab96fSVladimir Oltean u8 master_oper_up:1; 297295ab96fSVladimir Oltean 298acc43b7bSVladimir Oltean /* Valid only on user ports */ 299acc43b7bSVladimir Oltean u8 cpu_port_in_lag:1; 300acc43b7bSVladimir Oltean 30163cfc657SVladimir Oltean u8 setup:1; 302bde82f38SVladimir Oltean 303189b0d93SAndrew Lunn struct device_node *dn; 30434a79f63SVivien Didelot unsigned int ageing_time; 305bde82f38SVladimir Oltean 306d3eed0e5SVladimir Oltean struct dsa_bridge *bridge; 30796567d5dSAndrew Lunn struct devlink_port devlink_port; 308aab9c406SFlorian Fainelli struct phylink *pl; 30944cc27e4SIoana Ciornei struct phylink_config pl_config; 310dedd6a00SVladimir Oltean struct dsa_lag *lag; 31118596f50SGeorge McCollister struct net_device *hsr_dev; 31297a69a0dSVladimir Oltean 313ab8ccae1SVivien Didelot struct list_head list; 314ab8ccae1SVivien Didelot 31567dbb9d4SFlorian Fainelli /* 31667dbb9d4SFlorian Fainelli * Original copy of the master netdev ethtool_ops 31767dbb9d4SFlorian Fainelli */ 31867dbb9d4SFlorian Fainelli const struct ethtool_ops *orig_ethtool_ops; 319da7b9e9bSFlorian Fainelli 320da7b9e9bSFlorian Fainelli /* 321da7b9e9bSFlorian Fainelli * Original copy of the master netdev net_device_ops 322da7b9e9bSFlorian Fainelli */ 3234cfab356SFlorian Fainelli const struct dsa_netdevice_ops *netdev_ops; 324fb35c60cSVivien Didelot 325161ca59dSVladimir Oltean /* List of MAC addresses that must be forwarded on this port. 326161ca59dSVladimir Oltean * These are only valid on CPU ports and DSA links. 327161ca59dSVladimir Oltean */ 328338a3a47SVladimir Oltean struct mutex addr_lists_lock; 3293f6e32f9SVladimir Oltean struct list_head fdbs; 330161ca59dSVladimir Oltean struct list_head mdbs; 331134ef238SVladimir Oltean 332134ef238SVladimir Oltean /* List of VLANs that CPU and DSA ports are members of. */ 333134ef238SVladimir Oltean struct mutex vlans_lock; 334134ef238SVladimir Oltean struct list_head vlans; 335c8b09808SAndrew Lunn }; 336c8b09808SAndrew Lunn 337c5f51765SVivien Didelot /* TODO: ideally DSA ports would have a single dp->link_dp member, 338c5f51765SVivien Didelot * and no dst->rtable nor this struct dsa_link would be needed, 339c5f51765SVivien Didelot * but this would require some more complex tree walking, 340c5f51765SVivien Didelot * so keep it stupid at the moment and list them all. 341c5f51765SVivien Didelot */ 342c5f51765SVivien Didelot struct dsa_link { 343c5f51765SVivien Didelot struct dsa_port *dp; 344c5f51765SVivien Didelot struct dsa_port *link_dp; 345c5f51765SVivien Didelot struct list_head list; 346c5f51765SVivien Didelot }; 347c5f51765SVivien Didelot 348c2693363SVladimir Oltean enum dsa_db_type { 349c2693363SVladimir Oltean DSA_DB_PORT, 350c2693363SVladimir Oltean DSA_DB_LAG, 351c2693363SVladimir Oltean DSA_DB_BRIDGE, 352c2693363SVladimir Oltean }; 353c2693363SVladimir Oltean 354c2693363SVladimir Oltean struct dsa_db { 355c2693363SVladimir Oltean enum dsa_db_type type; 356c2693363SVladimir Oltean 357c2693363SVladimir Oltean union { 358c2693363SVladimir Oltean const struct dsa_port *dp; 359c2693363SVladimir Oltean struct dsa_lag lag; 360c2693363SVladimir Oltean struct dsa_bridge bridge; 361c2693363SVladimir Oltean }; 362c2693363SVladimir Oltean }; 363c2693363SVladimir Oltean 364161ca59dSVladimir Oltean struct dsa_mac_addr { 365161ca59dSVladimir Oltean unsigned char addr[ETH_ALEN]; 366161ca59dSVladimir Oltean u16 vid; 367161ca59dSVladimir Oltean refcount_t refcount; 368161ca59dSVladimir Oltean struct list_head list; 369c2693363SVladimir Oltean struct dsa_db db; 370161ca59dSVladimir Oltean }; 371161ca59dSVladimir Oltean 372134ef238SVladimir Oltean struct dsa_vlan { 373134ef238SVladimir Oltean u16 vid; 374134ef238SVladimir Oltean refcount_t refcount; 375134ef238SVladimir Oltean struct list_head list; 376134ef238SVladimir Oltean }; 377134ef238SVladimir Oltean 378c8f0b869SBen Hutchings struct dsa_switch { 379c33063d6SAndrew Lunn struct device *dev; 380c33063d6SAndrew Lunn 381c8f0b869SBen Hutchings /* 382c8f0b869SBen Hutchings * Parent switch tree, and switch index. 383c8f0b869SBen Hutchings */ 384c8f0b869SBen Hutchings struct dsa_switch_tree *dst; 38599feaafcSVivien Didelot unsigned int index; 386c8f0b869SBen Hutchings 3871b26d364SVladimir Oltean /* Warning: the following bit fields are not atomic, and updating them 3881b26d364SVladimir Oltean * can only be done from code paths where concurrency is not possible 3891b26d364SVladimir Oltean * (probe time or under rtnl_lock). 3901b26d364SVladimir Oltean */ 39163cfc657SVladimir Oltean u32 setup:1; 39263cfc657SVladimir Oltean 39363cfc657SVladimir Oltean /* Disallow bridge core from requesting different VLAN awareness 39463cfc657SVladimir Oltean * settings on ports if not hardware-supported 3957787ff77SVladimir Oltean */ 39663cfc657SVladimir Oltean u32 vlan_filtering_is_global:1; 39763cfc657SVladimir Oltean 39863cfc657SVladimir Oltean /* Keep VLAN filtering enabled on ports not offloading any upper */ 39963cfc657SVladimir Oltean u32 needs_standalone_vlan_filtering:1; 40063cfc657SVladimir Oltean 40163cfc657SVladimir Oltean /* Pass .port_vlan_add and .port_vlan_del to drivers even for bridges 40263cfc657SVladimir Oltean * that have vlan_filtering=0. All drivers should ideally set this (and 40363cfc657SVladimir Oltean * then the option would get removed), but it is unknown whether this 4047787ff77SVladimir Oltean * would break things or not. 4057787ff77SVladimir Oltean */ 40663cfc657SVladimir Oltean u32 configure_vlan_while_not_filtering:1; 40763cfc657SVladimir Oltean 40863cfc657SVladimir Oltean /* If the switch driver always programs the CPU port as egress tagged 40963cfc657SVladimir Oltean * despite the VLAN configuration indicating otherwise, then setting 41063cfc657SVladimir Oltean * @untag_bridge_pvid will force the DSA receive path to pop the 41163cfc657SVladimir Oltean * bridge's default_pvid VLAN tagged frames to offer a consistent 41263cfc657SVladimir Oltean * behavior between a vlan_filtering=0 and vlan_filtering=1 bridge 4137787ff77SVladimir Oltean * device. 4147787ff77SVladimir Oltean */ 41563cfc657SVladimir Oltean u32 untag_bridge_pvid:1; 41663cfc657SVladimir Oltean 4177787ff77SVladimir Oltean /* Let DSA manage the FDB entries towards the 4187787ff77SVladimir Oltean * CPU, based on the software bridge database. 4197787ff77SVladimir Oltean */ 42063cfc657SVladimir Oltean u32 assisted_learning_on_cpu_port:1; 42163cfc657SVladimir Oltean 42263cfc657SVladimir Oltean /* In case vlan_filtering_is_global is set, the VLAN awareness state 42363cfc657SVladimir Oltean * should be retrieved from here and not from the per-port settings. 4247787ff77SVladimir Oltean */ 42563cfc657SVladimir Oltean u32 vlan_filtering:1; 42663cfc657SVladimir Oltean 42763cfc657SVladimir Oltean /* For switches that only have the MRU configurable. To ensure the 42863cfc657SVladimir Oltean * configured MTU is not exceeded, normalization of MRU on all bridged 42963cfc657SVladimir Oltean * interfaces is needed. 4307787ff77SVladimir Oltean */ 43163cfc657SVladimir Oltean u32 mtu_enforcement_ingress:1; 4327787ff77SVladimir Oltean 433c2693363SVladimir Oltean /* Drivers that isolate the FDBs of multiple bridges must set this 434c2693363SVladimir Oltean * to true to receive the bridge as an argument in .port_fdb_{add,del} 435c2693363SVladimir Oltean * and .port_mdb_{add,del}. Otherwise, the bridge.num will always be 436c2693363SVladimir Oltean * passed as zero. 437c2693363SVladimir Oltean */ 438c2693363SVladimir Oltean u32 fdb_isolation:1; 439c2693363SVladimir Oltean 440f515f192SVivien Didelot /* Listener for switch fabric events */ 441f515f192SVivien Didelot struct notifier_block nb; 442f515f192SVivien Didelot 443c8f0b869SBen Hutchings /* 4447543a6d5SAndrew Lunn * Give the switch driver somewhere to hang its private data 4457543a6d5SAndrew Lunn * structure. 4467543a6d5SAndrew Lunn */ 4477543a6d5SAndrew Lunn void *priv; 4487543a6d5SAndrew Lunn 449dc452a47SVladimir Oltean void *tagger_data; 450dc452a47SVladimir Oltean 4517543a6d5SAndrew Lunn /* 452c8f0b869SBen Hutchings * Configuration data for this switch. 453c8f0b869SBen Hutchings */ 454ff04955cSAndrew Lunn struct dsa_chip_data *cd; 455c8f0b869SBen Hutchings 456c8f0b869SBen Hutchings /* 4579d490b4eSVivien Didelot * The switch operations. 458c8f0b869SBen Hutchings */ 459a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 460c8f0b869SBen Hutchings 46166472fc0SAndrew Lunn /* 462c8f0b869SBen Hutchings * Slave mii_bus and devices for the individual ports. 463c8f0b869SBen Hutchings */ 4640d8bcdd3SFlorian Fainelli u32 phys_mii_mask; 465c8f0b869SBen Hutchings struct mii_bus *slave_mii_bus; 466a0c02161SVivien Didelot 4670f3da6afSVivien Didelot /* Ageing Time limits in msecs */ 4680f3da6afSVivien Didelot unsigned int ageing_time_min; 4690f3da6afSVivien Didelot unsigned int ageing_time_max; 4700f3da6afSVivien Didelot 471d7b1fd52SVladimir Oltean /* Storage for drivers using tag_8021q */ 472d7b1fd52SVladimir Oltean struct dsa_8021q_context *tag_8021q_ctx; 473d7b1fd52SVladimir Oltean 47496567d5dSAndrew Lunn /* devlink used to represent this switch device */ 47596567d5dSAndrew Lunn struct devlink *devlink; 47696567d5dSAndrew Lunn 47755199df6SFlorian Fainelli /* Number of switch port queues */ 47855199df6SFlorian Fainelli unsigned int num_tx_queues; 47955199df6SFlorian Fainelli 480058102a6STobias Waldekranz /* Drivers that benefit from having an ID associated with each 481058102a6STobias Waldekranz * offloaded LAG should set this to the maximum number of 482058102a6STobias Waldekranz * supported IDs. DSA will then maintain a mapping of _at 483058102a6STobias Waldekranz * least_ these many IDs, accessible to drivers via 484058102a6STobias Waldekranz * dsa_lag_id(). 485058102a6STobias Waldekranz */ 486058102a6STobias Waldekranz unsigned int num_lag_ids; 487058102a6STobias Waldekranz 488947c8746SVladimir Oltean /* Drivers that support bridge forwarding offload or FDB isolation 489947c8746SVladimir Oltean * should set this to the maximum number of bridges spanning the same 490947c8746SVladimir Oltean * switch tree (or all trees, in the case of cross-tree bridging 491947c8746SVladimir Oltean * support) that can be offloaded. 492123abc06SVladimir Oltean */ 493947c8746SVladimir Oltean unsigned int max_num_bridges; 494123abc06SVladimir Oltean 495258030acSVladimir Oltean unsigned int num_ports; 496c8f0b869SBen Hutchings }; 497c8f0b869SBen Hutchings 49868bb8ea8SVivien Didelot static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) 499c38c5a66SVivien Didelot { 500b96ddf25SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 501d607525bSVivien Didelot struct dsa_port *dp; 502b96ddf25SVivien Didelot 503b96ddf25SVivien Didelot list_for_each_entry(dp, &dst->ports, list) 504b96ddf25SVivien Didelot if (dp->ds == ds && dp->index == p) 505b96ddf25SVivien Didelot return dp; 506d607525bSVivien Didelot 507d607525bSVivien Didelot return NULL; 508c38c5a66SVivien Didelot } 509c38c5a66SVivien Didelot 510a8986681SVladimir Oltean static inline bool dsa_port_is_dsa(struct dsa_port *port) 511a8986681SVladimir Oltean { 512a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_DSA; 513a8986681SVladimir Oltean } 514a8986681SVladimir Oltean 515a8986681SVladimir Oltean static inline bool dsa_port_is_cpu(struct dsa_port *port) 516a8986681SVladimir Oltean { 517a8986681SVladimir Oltean return port->type == DSA_PORT_TYPE_CPU; 518a8986681SVladimir Oltean } 519a8986681SVladimir Oltean 520a8986681SVladimir Oltean static inline bool dsa_port_is_user(struct dsa_port *dp) 521a8986681SVladimir Oltean { 522a8986681SVladimir Oltean return dp->type == DSA_PORT_TYPE_USER; 523a8986681SVladimir Oltean } 524a8986681SVladimir Oltean 525a57d8c21SVladimir Oltean static inline bool dsa_port_is_unused(struct dsa_port *dp) 526a57d8c21SVladimir Oltean { 527a57d8c21SVladimir Oltean return dp->type == DSA_PORT_TYPE_UNUSED; 528a57d8c21SVladimir Oltean } 529a57d8c21SVladimir Oltean 530295ab96fSVladimir Oltean static inline bool dsa_port_master_is_operational(struct dsa_port *dp) 531295ab96fSVladimir Oltean { 532295ab96fSVladimir Oltean return dsa_port_is_cpu(dp) && dp->master_admin_up && 533295ab96fSVladimir Oltean dp->master_oper_up; 534295ab96fSVladimir Oltean } 535295ab96fSVladimir Oltean 536bff7b688SVivien Didelot static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) 537bff7b688SVivien Didelot { 538c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; 539bff7b688SVivien Didelot } 540bff7b688SVivien Didelot 541c8f0b869SBen Hutchings static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) 542c8f0b869SBen Hutchings { 543c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; 544c8f0b869SBen Hutchings } 545c8f0b869SBen Hutchings 54660045cbfSAndrew Lunn static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) 54760045cbfSAndrew Lunn { 548c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; 54960045cbfSAndrew Lunn } 55060045cbfSAndrew Lunn 5512b3e9891SVivien Didelot static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) 5526cd456f3SVivien Didelot { 553c38c5a66SVivien Didelot return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; 5546cd456f3SVivien Didelot } 5556cd456f3SVivien Didelot 55682b31898SVladimir Oltean #define dsa_tree_for_each_user_port(_dp, _dst) \ 55782b31898SVladimir Oltean list_for_each_entry((_dp), &(_dst)->ports, list) \ 55882b31898SVladimir Oltean if (dsa_port_is_user((_dp))) 55982b31898SVladimir Oltean 56095f510d0SVladimir Oltean #define dsa_tree_for_each_user_port_continue_reverse(_dp, _dst) \ 56195f510d0SVladimir Oltean list_for_each_entry_continue_reverse((_dp), &(_dst)->ports, list) \ 56295f510d0SVladimir Oltean if (dsa_port_is_user((_dp))) 56395f510d0SVladimir Oltean 5645dc760d1SVladimir Oltean #define dsa_tree_for_each_cpu_port(_dp, _dst) \ 5655dc760d1SVladimir Oltean list_for_each_entry((_dp), &(_dst)->ports, list) \ 5665dc760d1SVladimir Oltean if (dsa_port_is_cpu((_dp))) 5675dc760d1SVladimir Oltean 56882b31898SVladimir Oltean #define dsa_switch_for_each_port(_dp, _ds) \ 56982b31898SVladimir Oltean list_for_each_entry((_dp), &(_ds)->dst->ports, list) \ 57082b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 57182b31898SVladimir Oltean 57282b31898SVladimir Oltean #define dsa_switch_for_each_port_safe(_dp, _next, _ds) \ 57382b31898SVladimir Oltean list_for_each_entry_safe((_dp), (_next), &(_ds)->dst->ports, list) \ 57482b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 57582b31898SVladimir Oltean 57682b31898SVladimir Oltean #define dsa_switch_for_each_port_continue_reverse(_dp, _ds) \ 57782b31898SVladimir Oltean list_for_each_entry_continue_reverse((_dp), &(_ds)->dst->ports, list) \ 57882b31898SVladimir Oltean if ((_dp)->ds == (_ds)) 57982b31898SVladimir Oltean 58082b31898SVladimir Oltean #define dsa_switch_for_each_available_port(_dp, _ds) \ 58182b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 58282b31898SVladimir Oltean if (!dsa_port_is_unused((_dp))) 58382b31898SVladimir Oltean 58482b31898SVladimir Oltean #define dsa_switch_for_each_user_port(_dp, _ds) \ 58582b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 58682b31898SVladimir Oltean if (dsa_port_is_user((_dp))) 58782b31898SVladimir Oltean 58882b31898SVladimir Oltean #define dsa_switch_for_each_cpu_port(_dp, _ds) \ 58982b31898SVladimir Oltean dsa_switch_for_each_port((_dp), (_ds)) \ 59082b31898SVladimir Oltean if (dsa_port_is_cpu((_dp))) 59182b31898SVladimir Oltean 592bacf93b0SVladimir Oltean #define dsa_switch_for_each_cpu_port_continue_reverse(_dp, _ds) \ 593bacf93b0SVladimir Oltean dsa_switch_for_each_port_continue_reverse((_dp), (_ds)) \ 594bacf93b0SVladimir Oltean if (dsa_port_is_cpu((_dp))) 595bacf93b0SVladimir Oltean 59602bc6e54SVivien Didelot static inline u32 dsa_user_ports(struct dsa_switch *ds) 59702bc6e54SVivien Didelot { 598d0004a02SVladimir Oltean struct dsa_port *dp; 599c38c5a66SVivien Didelot u32 mask = 0; 60002bc6e54SVivien Didelot 601d0004a02SVladimir Oltean dsa_switch_for_each_user_port(dp, ds) 602d0004a02SVladimir Oltean mask |= BIT(dp->index); 603c38c5a66SVivien Didelot 604c38c5a66SVivien Didelot return mask; 605c8652c83SVivien Didelot } 606c8652c83SVivien Didelot 607465c3de4SVladimir Oltean static inline u32 dsa_cpu_ports(struct dsa_switch *ds) 608465c3de4SVladimir Oltean { 609465c3de4SVladimir Oltean struct dsa_port *cpu_dp; 610465c3de4SVladimir Oltean u32 mask = 0; 611465c3de4SVladimir Oltean 612465c3de4SVladimir Oltean dsa_switch_for_each_cpu_port(cpu_dp, ds) 613465c3de4SVladimir Oltean mask |= BIT(cpu_dp->index); 614465c3de4SVladimir Oltean 615465c3de4SVladimir Oltean return mask; 616465c3de4SVladimir Oltean } 617465c3de4SVladimir Oltean 618c5f51765SVivien Didelot /* Return the local port used to reach an arbitrary switch device */ 619c5f51765SVivien Didelot static inline unsigned int dsa_routing_port(struct dsa_switch *ds, int device) 620c5f51765SVivien Didelot { 621c5f51765SVivien Didelot struct dsa_switch_tree *dst = ds->dst; 622c5f51765SVivien Didelot struct dsa_link *dl; 623c5f51765SVivien Didelot 624c5f51765SVivien Didelot list_for_each_entry(dl, &dst->rtable, list) 625c5f51765SVivien Didelot if (dl->dp->ds == ds && dl->link_dp->ds->index == device) 626c5f51765SVivien Didelot return dl->dp->index; 627c5f51765SVivien Didelot 628c5f51765SVivien Didelot return ds->num_ports; 629c5f51765SVivien Didelot } 630c5f51765SVivien Didelot 6313b8fac5dSVivien Didelot /* Return the local port used to reach an arbitrary switch port */ 6323b8fac5dSVivien Didelot static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, 6333b8fac5dSVivien Didelot int port) 6343b8fac5dSVivien Didelot { 6353b8fac5dSVivien Didelot if (device == ds->index) 6363b8fac5dSVivien Didelot return port; 6373b8fac5dSVivien Didelot else 638c5f51765SVivien Didelot return dsa_routing_port(ds, device); 6393b8fac5dSVivien Didelot } 6403b8fac5dSVivien Didelot 6413b8fac5dSVivien Didelot /* Return the local port used to reach the dedicated CPU port */ 64207073c79SVivien Didelot static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) 643c8f0b869SBen Hutchings { 64407073c79SVivien Didelot const struct dsa_port *dp = dsa_to_port(ds, port); 64507073c79SVivien Didelot const struct dsa_port *cpu_dp = dp->cpu_dp; 64607073c79SVivien Didelot 64707073c79SVivien Didelot if (!cpu_dp) 64807073c79SVivien Didelot return port; 649c8f0b869SBen Hutchings 6503b8fac5dSVivien Didelot return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); 651c8f0b869SBen Hutchings } 652c8f0b869SBen Hutchings 65363609c8fSVladimir Oltean /* Return true if this is the local port used to reach the CPU port */ 65463609c8fSVladimir Oltean static inline bool dsa_is_upstream_port(struct dsa_switch *ds, int port) 65563609c8fSVladimir Oltean { 65663609c8fSVladimir Oltean if (dsa_is_unused_port(ds, port)) 65763609c8fSVladimir Oltean return false; 65863609c8fSVladimir Oltean 65963609c8fSVladimir Oltean return port == dsa_upstream_port(ds, port); 66063609c8fSVladimir Oltean } 66163609c8fSVladimir Oltean 662d352b20fSTobias Waldekranz /* Return true if this is a DSA port leading away from the CPU */ 663d352b20fSTobias Waldekranz static inline bool dsa_is_downstream_port(struct dsa_switch *ds, int port) 664d352b20fSTobias Waldekranz { 665d352b20fSTobias Waldekranz return dsa_is_dsa_port(ds, port) && !dsa_is_upstream_port(ds, port); 666d352b20fSTobias Waldekranz } 667d352b20fSTobias Waldekranz 6687af4a361STobias Waldekranz /* Return the local port used to reach the CPU port */ 6697af4a361STobias Waldekranz static inline unsigned int dsa_switch_upstream_port(struct dsa_switch *ds) 6707af4a361STobias Waldekranz { 6717af4a361STobias Waldekranz struct dsa_port *dp; 6727af4a361STobias Waldekranz 6737af4a361STobias Waldekranz dsa_switch_for_each_available_port(dp, ds) { 6747af4a361STobias Waldekranz return dsa_upstream_port(ds, dp->index); 6757af4a361STobias Waldekranz } 6767af4a361STobias Waldekranz 6777af4a361STobias Waldekranz return ds->num_ports; 6787af4a361STobias Waldekranz } 6797af4a361STobias Waldekranz 68063609c8fSVladimir Oltean /* Return true if @upstream_ds is an upstream switch of @downstream_ds, meaning 68163609c8fSVladimir Oltean * that the routing port from @downstream_ds to @upstream_ds is also the port 68263609c8fSVladimir Oltean * which @downstream_ds uses to reach its dedicated CPU. 68363609c8fSVladimir Oltean */ 68463609c8fSVladimir Oltean static inline bool dsa_switch_is_upstream_of(struct dsa_switch *upstream_ds, 68563609c8fSVladimir Oltean struct dsa_switch *downstream_ds) 68663609c8fSVladimir Oltean { 68763609c8fSVladimir Oltean int routing_port; 68863609c8fSVladimir Oltean 68963609c8fSVladimir Oltean if (upstream_ds == downstream_ds) 69063609c8fSVladimir Oltean return true; 69163609c8fSVladimir Oltean 69263609c8fSVladimir Oltean routing_port = dsa_routing_port(downstream_ds, upstream_ds->index); 69363609c8fSVladimir Oltean 69463609c8fSVladimir Oltean return dsa_is_upstream_port(downstream_ds, routing_port); 69563609c8fSVladimir Oltean } 69663609c8fSVladimir Oltean 697cf2d45f5SVladimir Oltean static inline bool dsa_port_is_vlan_filtering(const struct dsa_port *dp) 698cf2d45f5SVladimir Oltean { 699cf2d45f5SVladimir Oltean const struct dsa_switch *ds = dp->ds; 700cf2d45f5SVladimir Oltean 701cf2d45f5SVladimir Oltean if (ds->vlan_filtering_is_global) 702cf2d45f5SVladimir Oltean return ds->vlan_filtering; 703cf2d45f5SVladimir Oltean else 704cf2d45f5SVladimir Oltean return dp->vlan_filtering; 705cf2d45f5SVladimir Oltean } 706cf2d45f5SVladimir Oltean 707dedd6a00SVladimir Oltean static inline unsigned int dsa_port_lag_id_get(struct dsa_port *dp) 708dedd6a00SVladimir Oltean { 709dedd6a00SVladimir Oltean return dp->lag ? dp->lag->id : 0; 710dedd6a00SVladimir Oltean } 711dedd6a00SVladimir Oltean 712dedd6a00SVladimir Oltean static inline struct net_device *dsa_port_lag_dev_get(struct dsa_port *dp) 713dedd6a00SVladimir Oltean { 714dedd6a00SVladimir Oltean return dp->lag ? dp->lag->dev : NULL; 715dedd6a00SVladimir Oltean } 716dedd6a00SVladimir Oltean 717dedd6a00SVladimir Oltean static inline bool dsa_port_offloads_lag(struct dsa_port *dp, 718dedd6a00SVladimir Oltean const struct dsa_lag *lag) 719dedd6a00SVladimir Oltean { 720dedd6a00SVladimir Oltean return dsa_port_lag_dev_get(dp) == lag->dev; 721dedd6a00SVladimir Oltean } 722dedd6a00SVladimir Oltean 7238f6a19c0SVladimir Oltean static inline struct net_device *dsa_port_to_master(const struct dsa_port *dp) 7248f6a19c0SVladimir Oltean { 725acc43b7bSVladimir Oltean if (dp->cpu_port_in_lag) 726acc43b7bSVladimir Oltean return dsa_port_lag_dev_get(dp->cpu_dp); 727acc43b7bSVladimir Oltean 7288f6a19c0SVladimir Oltean return dp->cpu_dp->master; 7298f6a19c0SVladimir Oltean } 7308f6a19c0SVladimir Oltean 731cc76ce9eSTobias Waldekranz static inline 732cc76ce9eSTobias Waldekranz struct net_device *dsa_port_to_bridge_port(const struct dsa_port *dp) 733cc76ce9eSTobias Waldekranz { 734d3eed0e5SVladimir Oltean if (!dp->bridge) 735cc76ce9eSTobias Waldekranz return NULL; 736cc76ce9eSTobias Waldekranz 737dedd6a00SVladimir Oltean if (dp->lag) 738dedd6a00SVladimir Oltean return dp->lag->dev; 739cc76ce9eSTobias Waldekranz else if (dp->hsr_dev) 740cc76ce9eSTobias Waldekranz return dp->hsr_dev; 741cc76ce9eSTobias Waldekranz 742cc76ce9eSTobias Waldekranz return dp->slave; 743cc76ce9eSTobias Waldekranz } 744cc76ce9eSTobias Waldekranz 74536cbf39bSVladimir Oltean static inline struct net_device * 74636cbf39bSVladimir Oltean dsa_port_bridge_dev_get(const struct dsa_port *dp) 74736cbf39bSVladimir Oltean { 748d3eed0e5SVladimir Oltean return dp->bridge ? dp->bridge->dev : NULL; 74936cbf39bSVladimir Oltean } 75036cbf39bSVladimir Oltean 75136cbf39bSVladimir Oltean static inline unsigned int dsa_port_bridge_num_get(struct dsa_port *dp) 75236cbf39bSVladimir Oltean { 753d3eed0e5SVladimir Oltean return dp->bridge ? dp->bridge->num : 0; 75436cbf39bSVladimir Oltean } 75536cbf39bSVladimir Oltean 75636cbf39bSVladimir Oltean static inline bool dsa_port_bridge_same(const struct dsa_port *a, 75736cbf39bSVladimir Oltean const struct dsa_port *b) 75836cbf39bSVladimir Oltean { 75936cbf39bSVladimir Oltean struct net_device *br_a = dsa_port_bridge_dev_get(a); 76036cbf39bSVladimir Oltean struct net_device *br_b = dsa_port_bridge_dev_get(b); 76136cbf39bSVladimir Oltean 76236cbf39bSVladimir Oltean /* Standalone ports are not in the same bridge with one another */ 76336cbf39bSVladimir Oltean return (!br_a || !br_b) ? false : (br_a == br_b); 76436cbf39bSVladimir Oltean } 76536cbf39bSVladimir Oltean 7666a43cba3SVladimir Oltean static inline bool dsa_port_offloads_bridge_port(struct dsa_port *dp, 7676a43cba3SVladimir Oltean const struct net_device *dev) 7686a43cba3SVladimir Oltean { 7696a43cba3SVladimir Oltean return dsa_port_to_bridge_port(dp) == dev; 7706a43cba3SVladimir Oltean } 7716a43cba3SVladimir Oltean 7726a43cba3SVladimir Oltean static inline bool 7736a43cba3SVladimir Oltean dsa_port_offloads_bridge_dev(struct dsa_port *dp, 7746a43cba3SVladimir Oltean const struct net_device *bridge_dev) 7756a43cba3SVladimir Oltean { 7766a43cba3SVladimir Oltean /* DSA ports connected to a bridge, and event was emitted 7776a43cba3SVladimir Oltean * for the bridge. 7786a43cba3SVladimir Oltean */ 7796a43cba3SVladimir Oltean return dsa_port_bridge_dev_get(dp) == bridge_dev; 7806a43cba3SVladimir Oltean } 7816a43cba3SVladimir Oltean 782d3eed0e5SVladimir Oltean static inline bool dsa_port_offloads_bridge(struct dsa_port *dp, 783d3eed0e5SVladimir Oltean const struct dsa_bridge *bridge) 784d3eed0e5SVladimir Oltean { 785d3eed0e5SVladimir Oltean return dsa_port_bridge_dev_get(dp) == bridge->dev; 786d3eed0e5SVladimir Oltean } 787d3eed0e5SVladimir Oltean 7886a43cba3SVladimir Oltean /* Returns true if any port of this tree offloads the given net_device */ 7896a43cba3SVladimir Oltean static inline bool dsa_tree_offloads_bridge_port(struct dsa_switch_tree *dst, 7906a43cba3SVladimir Oltean const struct net_device *dev) 7916a43cba3SVladimir Oltean { 7926a43cba3SVladimir Oltean struct dsa_port *dp; 7936a43cba3SVladimir Oltean 7946a43cba3SVladimir Oltean list_for_each_entry(dp, &dst->ports, list) 7956a43cba3SVladimir Oltean if (dsa_port_offloads_bridge_port(dp, dev)) 7966a43cba3SVladimir Oltean return true; 7976a43cba3SVladimir Oltean 7986a43cba3SVladimir Oltean return false; 7996a43cba3SVladimir Oltean } 8006a43cba3SVladimir Oltean 8016a43cba3SVladimir Oltean /* Returns true if any port of this tree offloads the given bridge */ 8026a43cba3SVladimir Oltean static inline bool 8036a43cba3SVladimir Oltean dsa_tree_offloads_bridge_dev(struct dsa_switch_tree *dst, 8046a43cba3SVladimir Oltean const struct net_device *bridge_dev) 8056a43cba3SVladimir Oltean { 8066a43cba3SVladimir Oltean struct dsa_port *dp; 8076a43cba3SVladimir Oltean 8086a43cba3SVladimir Oltean list_for_each_entry(dp, &dst->ports, list) 8096a43cba3SVladimir Oltean if (dsa_port_offloads_bridge_dev(dp, bridge_dev)) 8106a43cba3SVladimir Oltean return true; 8116a43cba3SVladimir Oltean 8126a43cba3SVladimir Oltean return false; 8136a43cba3SVladimir Oltean } 8146a43cba3SVladimir Oltean 815acc43b7bSVladimir Oltean static inline bool dsa_port_tree_same(const struct dsa_port *a, 816acc43b7bSVladimir Oltean const struct dsa_port *b) 817acc43b7bSVladimir Oltean { 818acc43b7bSVladimir Oltean return a->ds->dst == b->ds->dst; 819acc43b7bSVladimir Oltean } 820acc43b7bSVladimir Oltean 8212bedde1aSArkadi Sharshevsky typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, 8222bedde1aSArkadi Sharshevsky bool is_static, void *data); 8239d490b4eSVivien Didelot struct dsa_switch_ops { 82453da0ebaSVladimir Oltean /* 82553da0ebaSVladimir Oltean * Tagging protocol helpers called for the CPU ports and DSA links. 82653da0ebaSVladimir Oltean * @get_tag_protocol retrieves the initial tagging protocol and is 82753da0ebaSVladimir Oltean * mandatory. Switches which can operate using multiple tagging 82853da0ebaSVladimir Oltean * protocols should implement @change_tag_protocol and report in 82953da0ebaSVladimir Oltean * @get_tag_protocol the tagger in current use. 83053da0ebaSVladimir Oltean */ 8315ed4e3ebSFlorian Fainelli enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, 8324d776482SFlorian Fainelli int port, 8334d776482SFlorian Fainelli enum dsa_tag_protocol mprot); 834bacf93b0SVladimir Oltean int (*change_tag_protocol)(struct dsa_switch *ds, 83553da0ebaSVladimir Oltean enum dsa_tag_protocol proto); 836dc452a47SVladimir Oltean /* 837dc452a47SVladimir Oltean * Method for switch drivers to connect to the tagging protocol driver 838dc452a47SVladimir Oltean * in current use. The switch driver can provide handlers for certain 839dc452a47SVladimir Oltean * types of packets for switch management. 840dc452a47SVladimir Oltean */ 841dc452a47SVladimir Oltean int (*connect_tag_protocol)(struct dsa_switch *ds, 842dc452a47SVladimir Oltean enum dsa_tag_protocol proto); 8437b314362SAndrew Lunn 84495f510d0SVladimir Oltean int (*port_change_master)(struct dsa_switch *ds, int port, 84595f510d0SVladimir Oltean struct net_device *master, 84695f510d0SVladimir Oltean struct netlink_ext_ack *extack); 84795f510d0SVladimir Oltean 848fd292c18SVladimir Oltean /* Optional switch-wide initialization and destruction methods */ 849c8f0b869SBen Hutchings int (*setup)(struct dsa_switch *ds); 8505e3f847aSVladimir Oltean void (*teardown)(struct dsa_switch *ds); 851fd292c18SVladimir Oltean 852fd292c18SVladimir Oltean /* Per-port initialization and destruction methods. Mandatory if the 853fd292c18SVladimir Oltean * driver registers devlink port regions, optional otherwise. 854fd292c18SVladimir Oltean */ 855fd292c18SVladimir Oltean int (*port_setup)(struct dsa_switch *ds, int port); 856fd292c18SVladimir Oltean void (*port_teardown)(struct dsa_switch *ds, int port); 857fd292c18SVladimir Oltean 8586819563eSFlorian Fainelli u32 (*get_phy_flags)(struct dsa_switch *ds, int port); 859c8f0b869SBen Hutchings 860c8f0b869SBen Hutchings /* 861c8f0b869SBen Hutchings * Access to the switch's PHY registers. 862c8f0b869SBen Hutchings */ 863c8f0b869SBen Hutchings int (*phy_read)(struct dsa_switch *ds, int port, int regnum); 864c8f0b869SBen Hutchings int (*phy_write)(struct dsa_switch *ds, int port, 865c8f0b869SBen Hutchings int regnum, u16 val); 866c8f0b869SBen Hutchings 867c8f0b869SBen Hutchings /* 868ec9436baSFlorian Fainelli * Link state adjustment (called from libphy) 869ec9436baSFlorian Fainelli */ 870ec9436baSFlorian Fainelli void (*adjust_link)(struct dsa_switch *ds, int port, 871ec9436baSFlorian Fainelli struct phy_device *phydev); 872ce31b31cSFlorian Fainelli void (*fixed_link_update)(struct dsa_switch *ds, int port, 873ce31b31cSFlorian Fainelli struct fixed_phy_status *st); 874ec9436baSFlorian Fainelli 875ec9436baSFlorian Fainelli /* 87611d8f3ddSFlorian Fainelli * PHYLINK integration 87711d8f3ddSFlorian Fainelli */ 878072eea6cSRussell King (Oracle) void (*phylink_get_caps)(struct dsa_switch *ds, int port, 879072eea6cSRussell King (Oracle) struct phylink_config *config); 880bde01822SRussell King (Oracle) struct phylink_pcs *(*phylink_mac_select_pcs)(struct dsa_switch *ds, 881bde01822SRussell King (Oracle) int port, 882bde01822SRussell King (Oracle) phy_interface_t iface); 88311d8f3ddSFlorian Fainelli int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, 88411d8f3ddSFlorian Fainelli struct phylink_link_state *state); 88511d8f3ddSFlorian Fainelli void (*phylink_mac_config)(struct dsa_switch *ds, int port, 88611d8f3ddSFlorian Fainelli unsigned int mode, 88711d8f3ddSFlorian Fainelli const struct phylink_link_state *state); 88811d8f3ddSFlorian Fainelli void (*phylink_mac_an_restart)(struct dsa_switch *ds, int port); 88911d8f3ddSFlorian Fainelli void (*phylink_mac_link_down)(struct dsa_switch *ds, int port, 89011d8f3ddSFlorian Fainelli unsigned int mode, 89111d8f3ddSFlorian Fainelli phy_interface_t interface); 89211d8f3ddSFlorian Fainelli void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, 89311d8f3ddSFlorian Fainelli unsigned int mode, 89411d8f3ddSFlorian Fainelli phy_interface_t interface, 8955b502a7bSRussell King struct phy_device *phydev, 8965b502a7bSRussell King int speed, int duplex, 8975b502a7bSRussell King bool tx_pause, bool rx_pause); 89811d8f3ddSFlorian Fainelli void (*phylink_fixed_state)(struct dsa_switch *ds, int port, 89911d8f3ddSFlorian Fainelli struct phylink_link_state *state); 90011d8f3ddSFlorian Fainelli /* 901c2ec5f2eSOleksij Rempel * Port statistics counters. 902c8f0b869SBen Hutchings */ 90389f09048SFlorian Fainelli void (*get_strings)(struct dsa_switch *ds, int port, 90489f09048SFlorian Fainelli u32 stringset, uint8_t *data); 905c8f0b869SBen Hutchings void (*get_ethtool_stats)(struct dsa_switch *ds, 906c8f0b869SBen Hutchings int port, uint64_t *data); 90789f09048SFlorian Fainelli int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); 908cf963573SFlorian Fainelli void (*get_ethtool_phy_stats)(struct dsa_switch *ds, 909cf963573SFlorian Fainelli int port, uint64_t *data); 910487d3855SAlvin Šipraga void (*get_eth_phy_stats)(struct dsa_switch *ds, int port, 911487d3855SAlvin Šipraga struct ethtool_eth_phy_stats *phy_stats); 912487d3855SAlvin Šipraga void (*get_eth_mac_stats)(struct dsa_switch *ds, int port, 913487d3855SAlvin Šipraga struct ethtool_eth_mac_stats *mac_stats); 914487d3855SAlvin Šipraga void (*get_eth_ctrl_stats)(struct dsa_switch *ds, int port, 915487d3855SAlvin Šipraga struct ethtool_eth_ctrl_stats *ctrl_stats); 91667f38b1cSClément Léger void (*get_rmon_stats)(struct dsa_switch *ds, int port, 91767f38b1cSClément Léger struct ethtool_rmon_stats *rmon_stats, 91867f38b1cSClément Léger const struct ethtool_rmon_hist_range **ranges); 919c2ec5f2eSOleksij Rempel void (*get_stats64)(struct dsa_switch *ds, int port, 920c2ec5f2eSOleksij Rempel struct rtnl_link_stats64 *s); 9213d410403SOleksij Rempel void (*get_pause_stats)(struct dsa_switch *ds, int port, 9223d410403SOleksij Rempel struct ethtool_pause_stats *pause_stats); 923a71acad9SOleksij Rempel void (*self_test)(struct dsa_switch *ds, int port, 924a71acad9SOleksij Rempel struct ethtool_test *etest, u64 *data); 92524462549SFlorian Fainelli 92624462549SFlorian Fainelli /* 92719e57c4eSFlorian Fainelli * ethtool Wake-on-LAN 92819e57c4eSFlorian Fainelli */ 92919e57c4eSFlorian Fainelli void (*get_wol)(struct dsa_switch *ds, int port, 93019e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 93119e57c4eSFlorian Fainelli int (*set_wol)(struct dsa_switch *ds, int port, 93219e57c4eSFlorian Fainelli struct ethtool_wolinfo *w); 93319e57c4eSFlorian Fainelli 93419e57c4eSFlorian Fainelli /* 9350336369dSBrandon Streiff * ethtool timestamp info 9360336369dSBrandon Streiff */ 9370336369dSBrandon Streiff int (*get_ts_info)(struct dsa_switch *ds, int port, 9380336369dSBrandon Streiff struct ethtool_ts_info *ts); 9390336369dSBrandon Streiff 9400336369dSBrandon Streiff /* 941*5f6c2d49SVladimir Oltean * ethtool MAC merge layer 942*5f6c2d49SVladimir Oltean */ 943*5f6c2d49SVladimir Oltean int (*get_mm)(struct dsa_switch *ds, int port, 944*5f6c2d49SVladimir Oltean struct ethtool_mm_state *state); 945*5f6c2d49SVladimir Oltean int (*set_mm)(struct dsa_switch *ds, int port, 946*5f6c2d49SVladimir Oltean struct ethtool_mm_cfg *cfg, 947*5f6c2d49SVladimir Oltean struct netlink_ext_ack *extack); 948*5f6c2d49SVladimir Oltean void (*get_mm_stats)(struct dsa_switch *ds, int port, 949*5f6c2d49SVladimir Oltean struct ethtool_mm_stats *stats); 950*5f6c2d49SVladimir Oltean 951*5f6c2d49SVladimir Oltean /* 952d538eca8SVladimir Oltean * DCB ops 953d538eca8SVladimir Oltean */ 954d538eca8SVladimir Oltean int (*port_get_default_prio)(struct dsa_switch *ds, int port); 955d538eca8SVladimir Oltean int (*port_set_default_prio)(struct dsa_switch *ds, int port, 956d538eca8SVladimir Oltean u8 prio); 95747d75f78SVladimir Oltean int (*port_get_dscp_prio)(struct dsa_switch *ds, int port, u8 dscp); 95847d75f78SVladimir Oltean int (*port_add_dscp_prio)(struct dsa_switch *ds, int port, u8 dscp, 95947d75f78SVladimir Oltean u8 prio); 96047d75f78SVladimir Oltean int (*port_del_dscp_prio)(struct dsa_switch *ds, int port, u8 dscp, 96147d75f78SVladimir Oltean u8 prio); 962d538eca8SVladimir Oltean 963d538eca8SVladimir Oltean /* 96424462549SFlorian Fainelli * Suspend and resume 96524462549SFlorian Fainelli */ 96624462549SFlorian Fainelli int (*suspend)(struct dsa_switch *ds); 96724462549SFlorian Fainelli int (*resume)(struct dsa_switch *ds); 968b2f2af21SFlorian Fainelli 969b2f2af21SFlorian Fainelli /* 970b2f2af21SFlorian Fainelli * Port enable/disable 971b2f2af21SFlorian Fainelli */ 972b2f2af21SFlorian Fainelli int (*port_enable)(struct dsa_switch *ds, int port, 973b2f2af21SFlorian Fainelli struct phy_device *phy); 97475104db0SAndrew Lunn void (*port_disable)(struct dsa_switch *ds, int port); 9757905288fSFlorian Fainelli 9767905288fSFlorian Fainelli /* 97708f50061SVivien Didelot * Port's MAC EEE settings 9787905288fSFlorian Fainelli */ 97908f50061SVivien Didelot int (*set_mac_eee)(struct dsa_switch *ds, int port, 9807905288fSFlorian Fainelli struct ethtool_eee *e); 98108f50061SVivien Didelot int (*get_mac_eee)(struct dsa_switch *ds, int port, 9827905288fSFlorian Fainelli struct ethtool_eee *e); 98351579c3fSGuenter Roeck 9846793abb4SGuenter Roeck /* EEPROM access */ 9856793abb4SGuenter Roeck int (*get_eeprom_len)(struct dsa_switch *ds); 9866793abb4SGuenter Roeck int (*get_eeprom)(struct dsa_switch *ds, 9876793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 9886793abb4SGuenter Roeck int (*set_eeprom)(struct dsa_switch *ds, 9896793abb4SGuenter Roeck struct ethtool_eeprom *eeprom, u8 *data); 9903d762a0fSGuenter Roeck 9913d762a0fSGuenter Roeck /* 9923d762a0fSGuenter Roeck * Register access. 9933d762a0fSGuenter Roeck */ 9943d762a0fSGuenter Roeck int (*get_regs_len)(struct dsa_switch *ds, int port); 9953d762a0fSGuenter Roeck void (*get_regs)(struct dsa_switch *ds, int port, 9963d762a0fSGuenter Roeck struct ethtool_regs *regs, void *p); 997b73adef6SFlorian Fainelli 998b73adef6SFlorian Fainelli /* 999e358bef7SVladimir Oltean * Upper device tracking. 1000e358bef7SVladimir Oltean */ 1001e358bef7SVladimir Oltean int (*port_prechangeupper)(struct dsa_switch *ds, int port, 1002e358bef7SVladimir Oltean struct netdev_notifier_changeupper_info *info); 1003e358bef7SVladimir Oltean 1004e358bef7SVladimir Oltean /* 1005b73adef6SFlorian Fainelli * Bridge integration 1006b73adef6SFlorian Fainelli */ 100734a79f63SVivien Didelot int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); 100871327a4eSVivien Didelot int (*port_bridge_join)(struct dsa_switch *ds, int port, 1009b079922bSVladimir Oltean struct dsa_bridge bridge, 101006b9cce4SVladimir Oltean bool *tx_fwd_offload, 101106b9cce4SVladimir Oltean struct netlink_ext_ack *extack); 1012f123f2fbSVivien Didelot void (*port_bridge_leave)(struct dsa_switch *ds, int port, 1013d3eed0e5SVladimir Oltean struct dsa_bridge bridge); 101443c44a9fSVivien Didelot void (*port_stp_state_set)(struct dsa_switch *ds, int port, 1015b73adef6SFlorian Fainelli u8 state); 10167414af30STobias Waldekranz int (*port_mst_state_set)(struct dsa_switch *ds, int port, 10177414af30STobias Waldekranz const struct switchdev_mst_state *state); 1018732f794cSVivien Didelot void (*port_fast_age)(struct dsa_switch *ds, int port); 10197414af30STobias Waldekranz int (*port_vlan_fast_age)(struct dsa_switch *ds, int port, u16 vid); 1020a8b659e7SVladimir Oltean int (*port_pre_bridge_flags)(struct dsa_switch *ds, int port, 1021a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 1022a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 1023a8b659e7SVladimir Oltean int (*port_bridge_flags)(struct dsa_switch *ds, int port, 1024a8b659e7SVladimir Oltean struct switchdev_brport_flags flags, 1025a8b659e7SVladimir Oltean struct netlink_ext_ack *extack); 102672c3b0c7SVladimir Oltean void (*port_set_host_flood)(struct dsa_switch *ds, int port, 102772c3b0c7SVladimir Oltean bool uc, bool mc); 10282a778e1bSVivien Didelot 10292a778e1bSVivien Didelot /* 103011149536SVivien Didelot * VLAN support 103111149536SVivien Didelot */ 1032fb2dabadSVivien Didelot int (*port_vlan_filtering)(struct dsa_switch *ds, int port, 103389153ed6SVladimir Oltean bool vlan_filtering, 103489153ed6SVladimir Oltean struct netlink_ext_ack *extack); 10351958d581SVladimir Oltean int (*port_vlan_add)(struct dsa_switch *ds, int port, 103631046a5fSVladimir Oltean const struct switchdev_obj_port_vlan *vlan, 103731046a5fSVladimir Oltean struct netlink_ext_ack *extack); 103876e398a6SVivien Didelot int (*port_vlan_del)(struct dsa_switch *ds, int port, 103976e398a6SVivien Didelot const struct switchdev_obj_port_vlan *vlan); 10408e6598a7STobias Waldekranz int (*vlan_msti_set)(struct dsa_switch *ds, struct dsa_bridge bridge, 10418e6598a7STobias Waldekranz const struct switchdev_vlan_msti *msti); 10428e6598a7STobias Waldekranz 104311149536SVivien Didelot /* 10442a778e1bSVivien Didelot * Forwarding database 10452a778e1bSVivien Didelot */ 10461b6dd556SArkadi Sharshevsky int (*port_fdb_add)(struct dsa_switch *ds, int port, 1047c2693363SVladimir Oltean const unsigned char *addr, u16 vid, 1048c2693363SVladimir Oltean struct dsa_db db); 10492a778e1bSVivien Didelot int (*port_fdb_del)(struct dsa_switch *ds, int port, 1050c2693363SVladimir Oltean const unsigned char *addr, u16 vid, 1051c2693363SVladimir Oltean struct dsa_db db); 1052ea70ba98SVivien Didelot int (*port_fdb_dump)(struct dsa_switch *ds, int port, 10532bedde1aSArkadi Sharshevsky dsa_fdb_dump_cb_t *cb, void *data); 1054e212fa7cSVladimir Oltean int (*lag_fdb_add)(struct dsa_switch *ds, struct dsa_lag lag, 1055c2693363SVladimir Oltean const unsigned char *addr, u16 vid, 1056c2693363SVladimir Oltean struct dsa_db db); 1057e212fa7cSVladimir Oltean int (*lag_fdb_del)(struct dsa_switch *ds, struct dsa_lag lag, 1058c2693363SVladimir Oltean const unsigned char *addr, u16 vid, 1059c2693363SVladimir Oltean struct dsa_db db); 10608df30255SVivien Didelot 10618df30255SVivien Didelot /* 10628df30255SVivien Didelot * Multicast database 10638df30255SVivien Didelot */ 1064a52b2da7SVladimir Oltean int (*port_mdb_add)(struct dsa_switch *ds, int port, 1065c2693363SVladimir Oltean const struct switchdev_obj_port_mdb *mdb, 1066c2693363SVladimir Oltean struct dsa_db db); 10678df30255SVivien Didelot int (*port_mdb_del)(struct dsa_switch *ds, int port, 1068c2693363SVladimir Oltean const struct switchdev_obj_port_mdb *mdb, 1069c2693363SVladimir Oltean struct dsa_db db); 1070bf9f2648SFlorian Fainelli /* 1071bf9f2648SFlorian Fainelli * RXNFC 1072bf9f2648SFlorian Fainelli */ 1073bf9f2648SFlorian Fainelli int (*get_rxnfc)(struct dsa_switch *ds, int port, 1074bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc, u32 *rule_locs); 1075bf9f2648SFlorian Fainelli int (*set_rxnfc)(struct dsa_switch *ds, int port, 1076bf9f2648SFlorian Fainelli struct ethtool_rxnfc *nfc); 1077f50f2127SFlorian Fainelli 1078f50f2127SFlorian Fainelli /* 1079f50f2127SFlorian Fainelli * TC integration 1080f50f2127SFlorian Fainelli */ 1081ed11bb1fSVladimir Oltean int (*cls_flower_add)(struct dsa_switch *ds, int port, 1082ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 1083ed11bb1fSVladimir Oltean int (*cls_flower_del)(struct dsa_switch *ds, int port, 1084ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 1085ed11bb1fSVladimir Oltean int (*cls_flower_stats)(struct dsa_switch *ds, int port, 1086ed11bb1fSVladimir Oltean struct flow_cls_offload *cls, bool ingress); 1087f50f2127SFlorian Fainelli int (*port_mirror_add)(struct dsa_switch *ds, int port, 1088f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror, 10890148bb50SVladimir Oltean bool ingress, struct netlink_ext_ack *extack); 1090f50f2127SFlorian Fainelli void (*port_mirror_del)(struct dsa_switch *ds, int port, 1091f50f2127SFlorian Fainelli struct dsa_mall_mirror_tc_entry *mirror); 109234297176SVladimir Oltean int (*port_policer_add)(struct dsa_switch *ds, int port, 109334297176SVladimir Oltean struct dsa_mall_policer_tc_entry *policer); 109434297176SVladimir Oltean void (*port_policer_del)(struct dsa_switch *ds, int port); 109547d23af2SVladimir Oltean int (*port_setup_tc)(struct dsa_switch *ds, int port, 109647d23af2SVladimir Oltean enum tc_setup_type type, void *type_data); 109740ef2c93SVivien Didelot 109840ef2c93SVivien Didelot /* 109940ef2c93SVivien Didelot * Cross-chip operations 110040ef2c93SVivien Didelot */ 1101f66a6a69SVladimir Oltean int (*crosschip_bridge_join)(struct dsa_switch *ds, int tree_index, 1102f66a6a69SVladimir Oltean int sw_index, int port, 110306b9cce4SVladimir Oltean struct dsa_bridge bridge, 110406b9cce4SVladimir Oltean struct netlink_ext_ack *extack); 1105f66a6a69SVladimir Oltean void (*crosschip_bridge_leave)(struct dsa_switch *ds, int tree_index, 1106f66a6a69SVladimir Oltean int sw_index, int port, 1107d3eed0e5SVladimir Oltean struct dsa_bridge bridge); 1108058102a6STobias Waldekranz int (*crosschip_lag_change)(struct dsa_switch *ds, int sw_index, 1109058102a6STobias Waldekranz int port); 1110058102a6STobias Waldekranz int (*crosschip_lag_join)(struct dsa_switch *ds, int sw_index, 1111dedd6a00SVladimir Oltean int port, struct dsa_lag lag, 11122e359b00SVladimir Oltean struct netdev_lag_upper_info *info, 11132e359b00SVladimir Oltean struct netlink_ext_ack *extack); 1114058102a6STobias Waldekranz int (*crosschip_lag_leave)(struct dsa_switch *ds, int sw_index, 1115dedd6a00SVladimir Oltean int port, struct dsa_lag lag); 11160336369dSBrandon Streiff 11170336369dSBrandon Streiff /* 11180336369dSBrandon Streiff * PTP functionality 11190336369dSBrandon Streiff */ 11200336369dSBrandon Streiff int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, 11210336369dSBrandon Streiff struct ifreq *ifr); 11220336369dSBrandon Streiff int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, 11230336369dSBrandon Streiff struct ifreq *ifr); 11245c5416f5SYangbo Lu void (*port_txtstamp)(struct dsa_switch *ds, int port, 11255c5416f5SYangbo Lu struct sk_buff *skb); 112690af1059SBrandon Streiff bool (*port_rxtstamp)(struct dsa_switch *ds, int port, 112790af1059SBrandon Streiff struct sk_buff *skb, unsigned int type); 112897a69a0dSVladimir Oltean 11290f06b855SAndrew Lunn /* Devlink parameters, etc */ 11306b297524SAndrew Lunn int (*devlink_param_get)(struct dsa_switch *ds, u32 id, 11316b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 11326b297524SAndrew Lunn int (*devlink_param_set)(struct dsa_switch *ds, u32 id, 11336b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 11340f06b855SAndrew Lunn int (*devlink_info_get)(struct dsa_switch *ds, 11350f06b855SAndrew Lunn struct devlink_info_req *req, 11360f06b855SAndrew Lunn struct netlink_ext_ack *extack); 11372a6ef763SVladimir Oltean int (*devlink_sb_pool_get)(struct dsa_switch *ds, 11382a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 11392a6ef763SVladimir Oltean struct devlink_sb_pool_info *pool_info); 11402a6ef763SVladimir Oltean int (*devlink_sb_pool_set)(struct dsa_switch *ds, unsigned int sb_index, 11412a6ef763SVladimir Oltean u16 pool_index, u32 size, 11422a6ef763SVladimir Oltean enum devlink_sb_threshold_type threshold_type, 11432a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 11442a6ef763SVladimir Oltean int (*devlink_sb_port_pool_get)(struct dsa_switch *ds, int port, 11452a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 11462a6ef763SVladimir Oltean u32 *p_threshold); 11472a6ef763SVladimir Oltean int (*devlink_sb_port_pool_set)(struct dsa_switch *ds, int port, 11482a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 11492a6ef763SVladimir Oltean u32 threshold, 11502a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 11512a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_get)(struct dsa_switch *ds, int port, 11522a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 11532a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 11542a6ef763SVladimir Oltean u16 *p_pool_index, u32 *p_threshold); 11552a6ef763SVladimir Oltean int (*devlink_sb_tc_pool_bind_set)(struct dsa_switch *ds, int port, 11562a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 11572a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 11582a6ef763SVladimir Oltean u16 pool_index, u32 threshold, 11592a6ef763SVladimir Oltean struct netlink_ext_ack *extack); 11602a6ef763SVladimir Oltean int (*devlink_sb_occ_snapshot)(struct dsa_switch *ds, 11612a6ef763SVladimir Oltean unsigned int sb_index); 11622a6ef763SVladimir Oltean int (*devlink_sb_occ_max_clear)(struct dsa_switch *ds, 11632a6ef763SVladimir Oltean unsigned int sb_index); 11642a6ef763SVladimir Oltean int (*devlink_sb_occ_port_pool_get)(struct dsa_switch *ds, int port, 11652a6ef763SVladimir Oltean unsigned int sb_index, u16 pool_index, 11662a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 11672a6ef763SVladimir Oltean int (*devlink_sb_occ_tc_port_bind_get)(struct dsa_switch *ds, int port, 11682a6ef763SVladimir Oltean unsigned int sb_index, u16 tc_index, 11692a6ef763SVladimir Oltean enum devlink_sb_pool_type pool_type, 11702a6ef763SVladimir Oltean u32 *p_cur, u32 *p_max); 1171bfcb8132SVladimir Oltean 1172bfcb8132SVladimir Oltean /* 1173bfcb8132SVladimir Oltean * MTU change functionality. Switches can also adjust their MRU through 1174bfcb8132SVladimir Oltean * this method. By MTU, one understands the SDU (L2 payload) length. 1175bfcb8132SVladimir Oltean * If the switch needs to account for the DSA tag on the CPU port, this 1176ab88d64aSRandy Dunlap * method needs to do so privately. 1177bfcb8132SVladimir Oltean */ 1178bfcb8132SVladimir Oltean int (*port_change_mtu)(struct dsa_switch *ds, int port, 1179bfcb8132SVladimir Oltean int new_mtu); 1180bfcb8132SVladimir Oltean int (*port_max_mtu)(struct dsa_switch *ds, int port); 1181058102a6STobias Waldekranz 1182058102a6STobias Waldekranz /* 1183058102a6STobias Waldekranz * LAG integration 1184058102a6STobias Waldekranz */ 1185058102a6STobias Waldekranz int (*port_lag_change)(struct dsa_switch *ds, int port); 1186058102a6STobias Waldekranz int (*port_lag_join)(struct dsa_switch *ds, int port, 1187dedd6a00SVladimir Oltean struct dsa_lag lag, 11882e359b00SVladimir Oltean struct netdev_lag_upper_info *info, 11892e359b00SVladimir Oltean struct netlink_ext_ack *extack); 1190058102a6STobias Waldekranz int (*port_lag_leave)(struct dsa_switch *ds, int port, 1191dedd6a00SVladimir Oltean struct dsa_lag lag); 119218596f50SGeorge McCollister 119318596f50SGeorge McCollister /* 119418596f50SGeorge McCollister * HSR integration 119518596f50SGeorge McCollister */ 119618596f50SGeorge McCollister int (*port_hsr_join)(struct dsa_switch *ds, int port, 119718596f50SGeorge McCollister struct net_device *hsr); 119818596f50SGeorge McCollister int (*port_hsr_leave)(struct dsa_switch *ds, int port, 119918596f50SGeorge McCollister struct net_device *hsr); 1200c595c433SHoratiu Vultur 1201c595c433SHoratiu Vultur /* 1202c595c433SHoratiu Vultur * MRP integration 1203c595c433SHoratiu Vultur */ 1204c595c433SHoratiu Vultur int (*port_mrp_add)(struct dsa_switch *ds, int port, 1205c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 1206c595c433SHoratiu Vultur int (*port_mrp_del)(struct dsa_switch *ds, int port, 1207c595c433SHoratiu Vultur const struct switchdev_obj_mrp *mrp); 1208c595c433SHoratiu Vultur int (*port_mrp_add_ring_role)(struct dsa_switch *ds, int port, 1209c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 1210c595c433SHoratiu Vultur int (*port_mrp_del_ring_role)(struct dsa_switch *ds, int port, 1211c595c433SHoratiu Vultur const struct switchdev_obj_ring_role_mrp *mrp); 12125da11eb4SVladimir Oltean 12135da11eb4SVladimir Oltean /* 12145da11eb4SVladimir Oltean * tag_8021q operations 12155da11eb4SVladimir Oltean */ 12165da11eb4SVladimir Oltean int (*tag_8021q_vlan_add)(struct dsa_switch *ds, int port, u16 vid, 12175da11eb4SVladimir Oltean u16 flags); 12185da11eb4SVladimir Oltean int (*tag_8021q_vlan_del)(struct dsa_switch *ds, int port, u16 vid); 1219295ab96fSVladimir Oltean 1220295ab96fSVladimir Oltean /* 1221295ab96fSVladimir Oltean * DSA master tracking operations 1222295ab96fSVladimir Oltean */ 1223295ab96fSVladimir Oltean void (*master_state_change)(struct dsa_switch *ds, 1224295ab96fSVladimir Oltean const struct net_device *master, 1225295ab96fSVladimir Oltean bool operational); 12266b297524SAndrew Lunn }; 12276b297524SAndrew Lunn 12286b297524SAndrew Lunn #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ 12296b297524SAndrew Lunn DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, \ 12306b297524SAndrew Lunn dsa_devlink_param_get, dsa_devlink_param_set, NULL) 12316b297524SAndrew Lunn 12326b297524SAndrew Lunn int dsa_devlink_param_get(struct devlink *dl, u32 id, 12336b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 12346b297524SAndrew Lunn int dsa_devlink_param_set(struct devlink *dl, u32 id, 12356b297524SAndrew Lunn struct devlink_param_gset_ctx *ctx); 12366b297524SAndrew Lunn int dsa_devlink_params_register(struct dsa_switch *ds, 12376b297524SAndrew Lunn const struct devlink_param *params, 12386b297524SAndrew Lunn size_t params_count); 12396b297524SAndrew Lunn void dsa_devlink_params_unregister(struct dsa_switch *ds, 12406b297524SAndrew Lunn const struct devlink_param *params, 12416b297524SAndrew Lunn size_t params_count); 12425cd73fbdSAndrew Lunn int dsa_devlink_resource_register(struct dsa_switch *ds, 12435cd73fbdSAndrew Lunn const char *resource_name, 12445cd73fbdSAndrew Lunn u64 resource_size, 12455cd73fbdSAndrew Lunn u64 resource_id, 12465cd73fbdSAndrew Lunn u64 parent_resource_id, 12475cd73fbdSAndrew Lunn const struct devlink_resource_size_params *size_params); 12485cd73fbdSAndrew Lunn 12495cd73fbdSAndrew Lunn void dsa_devlink_resources_unregister(struct dsa_switch *ds); 12505cd73fbdSAndrew Lunn 12515cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds, 12525cd73fbdSAndrew Lunn u64 resource_id, 12535cd73fbdSAndrew Lunn devlink_resource_occ_get_t *occ_get, 12545cd73fbdSAndrew Lunn void *occ_get_priv); 12555cd73fbdSAndrew Lunn void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds, 12565cd73fbdSAndrew Lunn u64 resource_id); 125797c82c23SAndrew Lunn struct devlink_region * 125897c82c23SAndrew Lunn dsa_devlink_region_create(struct dsa_switch *ds, 125997c82c23SAndrew Lunn const struct devlink_region_ops *ops, 126097c82c23SAndrew Lunn u32 region_max_snapshots, u64 region_size); 126108156ba4SAndrew Lunn struct devlink_region * 126208156ba4SAndrew Lunn dsa_devlink_port_region_create(struct dsa_switch *ds, 126308156ba4SAndrew Lunn int port, 126408156ba4SAndrew Lunn const struct devlink_port_region_ops *ops, 126508156ba4SAndrew Lunn u32 region_max_snapshots, u64 region_size); 126697c82c23SAndrew Lunn void dsa_devlink_region_destroy(struct devlink_region *region); 126797c82c23SAndrew Lunn 1268e1eea811SVladimir Oltean struct dsa_port *dsa_port_from_netdev(struct net_device *netdev); 12695cd73fbdSAndrew Lunn 12706b297524SAndrew Lunn struct dsa_devlink_priv { 12716b297524SAndrew Lunn struct dsa_switch *ds; 1272c8f0b869SBen Hutchings }; 1273c8f0b869SBen Hutchings 1274ccc3e6b0SAndrew Lunn static inline struct dsa_switch *dsa_devlink_to_ds(struct devlink *dl) 1275ccc3e6b0SAndrew Lunn { 1276ccc3e6b0SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 1277ccc3e6b0SAndrew Lunn 1278ccc3e6b0SAndrew Lunn return dl_priv->ds; 1279ccc3e6b0SAndrew Lunn } 1280ccc3e6b0SAndrew Lunn 12817d1e2a10SAndrew Lunn static inline 12827d1e2a10SAndrew Lunn struct dsa_switch *dsa_devlink_port_to_ds(struct devlink_port *port) 12837d1e2a10SAndrew Lunn { 12847d1e2a10SAndrew Lunn struct devlink *dl = port->devlink; 12857d1e2a10SAndrew Lunn struct dsa_devlink_priv *dl_priv = devlink_priv(dl); 12867d1e2a10SAndrew Lunn 12877d1e2a10SAndrew Lunn return dl_priv->ds; 12887d1e2a10SAndrew Lunn } 12897d1e2a10SAndrew Lunn 12907d1e2a10SAndrew Lunn static inline int dsa_devlink_port_to_port(struct devlink_port *port) 12917d1e2a10SAndrew Lunn { 12927d1e2a10SAndrew Lunn return port->index; 12937d1e2a10SAndrew Lunn } 12947d1e2a10SAndrew Lunn 1295ab3d408dSFlorian Fainelli struct dsa_switch_driver { 1296ab3d408dSFlorian Fainelli struct list_head list; 1297a82f67afSFlorian Fainelli const struct dsa_switch_ops *ops; 1298ab3d408dSFlorian Fainelli }; 1299ab3d408dSFlorian Fainelli 13007e580490SVladimir Oltean bool dsa_fdb_present_in_other_db(struct dsa_switch *ds, int port, 13017e580490SVladimir Oltean const unsigned char *addr, u16 vid, 13027e580490SVladimir Oltean struct dsa_db db); 13037e580490SVladimir Oltean bool dsa_mdb_present_in_other_db(struct dsa_switch *ds, int port, 13047e580490SVladimir Oltean const struct switchdev_obj_port_mdb *mdb, 13057e580490SVladimir Oltean struct dsa_db db); 1306f9cef64fSVladimir Oltean 130773a7ece8SVivien Didelot /* Keep inline for faster access in hot path */ 13089eb8eff0SVladimir Oltean static inline bool netdev_uses_dsa(const struct net_device *dev) 1309c6e970a0SAndrew Lunn { 1310c6e970a0SAndrew Lunn #if IS_ENABLED(CONFIG_NET_DSA) 1311717ffbfbSVivien Didelot return dev->dsa_ptr && dev->dsa_ptr->rcv; 1312c6e970a0SAndrew Lunn #endif 1313c6e970a0SAndrew Lunn return false; 1314c6e970a0SAndrew Lunn } 1315c6e970a0SAndrew Lunn 13169790cf20SVladimir Oltean /* All DSA tags that push the EtherType to the right (basically all except tail 13179790cf20SVladimir Oltean * tags, which don't break dissection) can be treated the same from the 13189790cf20SVladimir Oltean * perspective of the flow dissector. 13199790cf20SVladimir Oltean * 13209790cf20SVladimir Oltean * We need to return: 13219790cf20SVladimir Oltean * - offset: the (B - A) difference between: 13229790cf20SVladimir Oltean * A. the position of the real EtherType and 13239790cf20SVladimir Oltean * B. the current skb->data (aka ETH_HLEN bytes into the frame, aka 2 bytes 13249790cf20SVladimir Oltean * after the normal EtherType was supposed to be) 13259790cf20SVladimir Oltean * The offset in bytes is exactly equal to the tagger overhead (and half of 13269790cf20SVladimir Oltean * that, in __be16 shorts). 13279790cf20SVladimir Oltean * 13289790cf20SVladimir Oltean * - proto: the value of the real EtherType. 13299790cf20SVladimir Oltean */ 13309790cf20SVladimir Oltean static inline void dsa_tag_generic_flow_dissect(const struct sk_buff *skb, 13319790cf20SVladimir Oltean __be16 *proto, int *offset) 13329790cf20SVladimir Oltean { 13339790cf20SVladimir Oltean #if IS_ENABLED(CONFIG_NET_DSA) 13349790cf20SVladimir Oltean const struct dsa_device_ops *ops = skb->dev->dsa_ptr->tag_ops; 13354e500251SVladimir Oltean int tag_len = ops->needed_headroom; 13369790cf20SVladimir Oltean 13379790cf20SVladimir Oltean *offset = tag_len; 13389790cf20SVladimir Oltean *proto = ((__be16 *)skb->data)[(tag_len / 2) - 1]; 13399790cf20SVladimir Oltean #endif 13409790cf20SVladimir Oltean } 13419790cf20SVladimir Oltean 13424cfab356SFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 13434cfab356SFlorian Fainelli static inline int __dsa_netdevice_ops_check(struct net_device *dev) 13444cfab356SFlorian Fainelli { 13454cfab356SFlorian Fainelli int err = -EOPNOTSUPP; 13464cfab356SFlorian Fainelli 13474cfab356SFlorian Fainelli if (!dev->dsa_ptr) 13484cfab356SFlorian Fainelli return err; 13494cfab356SFlorian Fainelli 13504cfab356SFlorian Fainelli if (!dev->dsa_ptr->netdev_ops) 13514cfab356SFlorian Fainelli return err; 13524cfab356SFlorian Fainelli 13534cfab356SFlorian Fainelli return 0; 13544cfab356SFlorian Fainelli } 13554cfab356SFlorian Fainelli 1356a7605370SArnd Bergmann static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, 13574cfab356SFlorian Fainelli int cmd) 13584cfab356SFlorian Fainelli { 13594cfab356SFlorian Fainelli const struct dsa_netdevice_ops *ops; 13604cfab356SFlorian Fainelli int err; 13614cfab356SFlorian Fainelli 13624cfab356SFlorian Fainelli err = __dsa_netdevice_ops_check(dev); 13634cfab356SFlorian Fainelli if (err) 13644cfab356SFlorian Fainelli return err; 13654cfab356SFlorian Fainelli 13664cfab356SFlorian Fainelli ops = dev->dsa_ptr->netdev_ops; 13674cfab356SFlorian Fainelli 1368a7605370SArnd Bergmann return ops->ndo_eth_ioctl(dev, ifr, cmd); 13694cfab356SFlorian Fainelli } 13704cfab356SFlorian Fainelli #else 1371a7605370SArnd Bergmann static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, 13724cfab356SFlorian Fainelli int cmd) 13734cfab356SFlorian Fainelli { 13744cfab356SFlorian Fainelli return -EOPNOTSUPP; 13754cfab356SFlorian Fainelli } 13764cfab356SFlorian Fainelli #endif 13774cfab356SFlorian Fainelli 137883c0afaeSAndrew Lunn void dsa_unregister_switch(struct dsa_switch *ds); 137923c9ee49SVivien Didelot int dsa_register_switch(struct dsa_switch *ds); 13800650bf52SVladimir Oltean void dsa_switch_shutdown(struct dsa_switch *ds); 13813b7bc1f0SVladimir Oltean struct dsa_switch *dsa_switch_find(int tree_index, int sw_index); 1382a2614140SVladimir Oltean void dsa_flush_workqueue(void); 1383ea825e70SFlorian Fainelli #ifdef CONFIG_PM_SLEEP 1384ea825e70SFlorian Fainelli int dsa_switch_suspend(struct dsa_switch *ds); 1385ea825e70SFlorian Fainelli int dsa_switch_resume(struct dsa_switch *ds); 1386ea825e70SFlorian Fainelli #else 1387ea825e70SFlorian Fainelli static inline int dsa_switch_suspend(struct dsa_switch *ds) 1388ea825e70SFlorian Fainelli { 1389ea825e70SFlorian Fainelli return 0; 1390ea825e70SFlorian Fainelli } 1391ea825e70SFlorian Fainelli static inline int dsa_switch_resume(struct dsa_switch *ds) 1392ea825e70SFlorian Fainelli { 1393ea825e70SFlorian Fainelli return 0; 1394ea825e70SFlorian Fainelli } 1395ea825e70SFlorian Fainelli #endif /* CONFIG_PM_SLEEP */ 1396ea825e70SFlorian Fainelli 139760724d4bSFlorian Fainelli #if IS_ENABLED(CONFIG_NET_DSA) 1398a5e3c9baSVladimir Oltean bool dsa_slave_dev_check(const struct net_device *dev); 139960724d4bSFlorian Fainelli #else 1400a5e3c9baSVladimir Oltean static inline bool dsa_slave_dev_check(const struct net_device *dev) 1401a5e3c9baSVladimir Oltean { 1402a5e3c9baSVladimir Oltean return false; 1403a5e3c9baSVladimir Oltean } 140460724d4bSFlorian Fainelli #endif 140560724d4bSFlorian Fainelli 140697a69a0dSVladimir Oltean netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev); 140711d8f3ddSFlorian Fainelli void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); 1408cf963573SFlorian Fainelli 140991da11f8SLennert Buytenhek #endif 1410