/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/net/devlink.h - Network physical device Netlink interface * Copyright (c) 2016 Mellanox Technologies. All rights reserved. * Copyright (c) 2016 Jiri Pirko <[email protected]> */ #ifndef _NET_DEVLINK_H_ #define _NET_DEVLINK_H_ #include <linux/device.h> #include <linux/slab.h> #include <linux/gfp.h> #include <linux/list.h> #include <linux/netdevice.h> #include <linux/spinlock.h> #include <linux/workqueue.h> #include <linux/refcount.h> #include <net/net_namespace.h> #include <net/flow_offload.h> #include <uapi/linux/devlink.h> #include <linux/xarray.h> #include <linux/firmware.h> struct devlink; struct devlink_linecard; struct devlink_port_phys_attrs { … }; /** * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes * @controller: Associated controller number * @pf: Associated PCI PF number for this port. * @external: when set, indicates if a port is for an external controller */ struct devlink_port_pci_pf_attrs { … }; /** * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes * @controller: Associated controller number * @pf: Associated PCI PF number for this port. * @vf: Associated PCI VF for of the PCI PF for this port. * @external: when set, indicates if a port is for an external controller */ struct devlink_port_pci_vf_attrs { … }; /** * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes * @controller: Associated controller number * @sf: Associated PCI SF for of the PCI PF for this port. * @pf: Associated PCI PF number for this port. * @external: when set, indicates if a port is for an external controller */ struct devlink_port_pci_sf_attrs { … }; /** * struct devlink_port_attrs - devlink port object * @flavour: flavour of the port * @split: indicates if this is split port * @splittable: indicates if the port can be split. * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL * @phys: physical port attributes * @pci_pf: PCI PF port attributes * @pci_vf: PCI VF port attributes * @pci_sf: PCI SF port attributes */ struct devlink_port_attrs { … }; struct devlink_rate { … }; struct devlink_port { … }; struct devlink_port_new_attrs { … }; /** * struct devlink_linecard_ops - Linecard operations * @provision: callback to provision the linecard slot with certain * type of linecard. As a result of this operation, * driver is expected to eventually (could be after * the function call returns) call one of: * devlink_linecard_provision_set() * devlink_linecard_provision_fail() * @unprovision: callback to unprovision the linecard slot. As a result * of this operation, driver is expected to eventually * (could be after the function call returns) call * devlink_linecard_provision_clear() * devlink_linecard_provision_fail() * @same_provision: callback to ask the driver if linecard is already * provisioned in the same way user asks this linecard to be * provisioned. * @types_count: callback to get number of supported types * @types_get: callback to get next type in list */ struct devlink_linecard_ops { … }; struct devlink_sb_pool_info { … }; /** * struct devlink_dpipe_field - dpipe field object * @name: field name * @id: index inside the headers field array * @bitwidth: bitwidth * @mapping_type: mapping type */ struct devlink_dpipe_field { … }; /** * struct devlink_dpipe_header - dpipe header object * @name: header name * @id: index, global/local determined by global bit * @fields: fields * @fields_count: number of fields * @global: indicates if header is shared like most protocol header * or driver specific */ struct devlink_dpipe_header { … }; /** * struct devlink_dpipe_match - represents match operation * @type: type of match * @header_index: header index (packets can have several headers of same * type like in case of tunnels) * @header: header * @field_id: field index */ struct devlink_dpipe_match { … }; /** * struct devlink_dpipe_action - represents action operation * @type: type of action * @header_index: header index (packets can have several headers of same * type like in case of tunnels) * @header: header * @field_id: field index */ struct devlink_dpipe_action { … }; /** * struct devlink_dpipe_value - represents value of match/action * @action: action * @match: match * @mapping_value: in case the field has some mapping this value * specified the mapping value * @mapping_valid: specify if mapping value is valid * @value_size: value size * @value: value * @mask: bit mask */ struct devlink_dpipe_value { … }; /** * struct devlink_dpipe_entry - table entry object * @index: index of the entry in the table * @match_values: match values * @match_values_count: count of matches tuples * @action_values: actions values * @action_values_count: count of actions values * @counter: value of counter * @counter_valid: Specify if value is valid from hardware */ struct devlink_dpipe_entry { … }; /** * struct devlink_dpipe_dump_ctx - context provided to driver in order * to dump * @info: info * @cmd: devlink command * @skb: skb * @nest: top attribute * @hdr: hdr */ struct devlink_dpipe_dump_ctx { … }; struct devlink_dpipe_table_ops; /** * struct devlink_dpipe_table - table object * @priv: private * @name: table name * @counters_enabled: indicates if counters are active * @counter_control_extern: indicates if counter control is in dpipe or * external tool * @resource_valid: Indicate that the resource id is valid * @resource_id: relative resource this table is related to * @resource_units: number of resource's unit consumed per table's entry * @table_ops: table operations * @rcu: rcu */ struct devlink_dpipe_table { … }; /** * struct devlink_dpipe_table_ops - dpipe_table ops * @actions_dump: dumps all tables actions * @matches_dump: dumps all tables matches * @entries_dump: dumps all active entries in the table * @counters_set_update: when changing the counter status hardware sync * maybe needed to allocate/free counter related * resources * @size_get: get size */ struct devlink_dpipe_table_ops { … }; /** * struct devlink_dpipe_headers - dpipe headers * @headers: header array can be shared (global bit) or driver specific * @headers_count: count of headers */ struct devlink_dpipe_headers { … }; /** * struct devlink_resource_size_params - resource's size parameters * @size_min: minimum size which can be set * @size_max: maximum size which can be set * @size_granularity: size granularity * @unit: resource's basic unit */ struct devlink_resource_size_params { … }; static inline void devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, u64 size_min, u64 size_max, u64 size_granularity, enum devlink_resource_unit unit) { … } devlink_resource_occ_get_t; #define DEVLINK_RESOURCE_ID_PARENT_TOP … #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS … #define __DEVLINK_PARAM_MAX_STRING_VALUE … enum devlink_param_type { … }; devlink_param_value; struct devlink_param_gset_ctx { … }; /** * struct devlink_flash_notify - devlink dev flash notify data * @status_msg: current status string * @component: firmware component being updated * @done: amount of work completed of total amount * @total: amount of work expected to be done * @timeout: expected max timeout in seconds * * These are values to be given to userland to be displayed in order * to show current activity in a firmware update process. */ struct devlink_flash_notify { … }; /** * struct devlink_param - devlink configuration parameter data * @id: devlink parameter id number * @name: name of the parameter * @generic: indicates if the parameter is generic or driver specific * @type: parameter type * @supported_cmodes: bitmap of supported configuration modes * @get: get parameter value, used for runtime and permanent * configuration modes * @set: set parameter value, used for runtime and permanent * configuration modes * @validate: validate input value is applicable (within value range, etc.) * * This struct should be used by the driver to fill the data for * a parameter it registers. */ struct devlink_param { … }; struct devlink_param_item { … }; enum devlink_param_generic_id { … }; #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME … #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE … #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME … #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE … #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME … #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE … #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME … #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE … #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME … #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE … #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME … #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE … #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME … #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE … #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME … #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE … #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME … #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE … #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME … #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE … #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME … #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE … #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME … #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE … #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME … #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE … #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME … #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE … #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME … #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE … #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME … #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE … #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME … #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE … #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) … #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) … /* Identifier of board design */ #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID … /* Revision of board design */ #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV … /* Maker of the board */ #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE … /* Part number of the board and its components */ #define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER … /* Part number, identifier of asic design */ #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID … /* Revision of asic design */ #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV … /* Overall FW version */ #define DEVLINK_INFO_VERSION_GENERIC_FW … /* Control processor FW version */ #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT … /* FW interface specification version */ #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API … /* Data path microcode controlling high-speed packet processing */ #define DEVLINK_INFO_VERSION_GENERIC_FW_APP … /* UNDI software version */ #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI … /* NCSI support/handler version */ #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI … /* FW parameter set id */ #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID … /* RoCE FW version */ #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE … /* Firmware bundle identifier */ #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID … /* Bootloader */ #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER … /** * struct devlink_flash_update_params - Flash Update parameters * @fw: pointer to the firmware data to update from * @component: the flash component to update * @overwrite_mask: which types of flash update are supported (may be %0) * * With the exception of fw, drivers must opt-in to parameters by * setting the appropriate bit in the supported_flash_update_params field in * their devlink_ops structure. */ struct devlink_flash_update_params { … }; #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK … struct devlink_region; struct devlink_info_req; /** * struct devlink_region_ops - Region operations * @name: region name * @destructor: callback used to free snapshot memory when deleting * @snapshot: callback to request an immediate snapshot. On success, * the data variable must be updated to point to the snapshot data. * The function will be called while the devlink instance lock is * held. * @read: callback to directly read a portion of the region. On success, * the data pointer will be updated with the contents of the * requested portion of the region. The function will be called * while the devlink instance lock is held. * @priv: Pointer to driver private data for the region operation */ struct devlink_region_ops { … }; /** * struct devlink_port_region_ops - Region operations for a port * @name: region name * @destructor: callback used to free snapshot memory when deleting * @snapshot: callback to request an immediate snapshot. On success, * the data variable must be updated to point to the snapshot data. * The function will be called while the devlink instance lock is * held. * @read: callback to directly read a portion of the region. On success, * the data pointer will be updated with the contents of the * requested portion of the region. The function will be called * while the devlink instance lock is held. * @priv: Pointer to driver private data for the region operation */ struct devlink_port_region_ops { … }; struct devlink_fmsg; struct devlink_health_reporter; enum devlink_health_reporter_state { … }; /** * struct devlink_health_reporter_ops - Reporter operations * @name: reporter name * @recover: callback to recover from reported error * if priv_ctx is NULL, run a full recover * @dump: callback to dump an object * if priv_ctx is NULL, run a full dump * @diagnose: callback to diagnose the current status * @test: callback to trigger a test event */ struct devlink_health_reporter_ops { … }; /** * struct devlink_trap_metadata - Packet trap metadata. * @trap_name: Trap name. * @trap_group_name: Trap group name. * @input_dev: Input netdevice. * @dev_tracker: refcount tracker for @input_dev. * @fa_cookie: Flow action user cookie. * @trap_type: Trap type. */ struct devlink_trap_metadata { … }; /** * struct devlink_trap_policer - Immutable packet trap policer attributes. * @id: Policer identifier. * @init_rate: Initial rate in packets / sec. * @init_burst: Initial burst size in packets. * @max_rate: Maximum rate. * @min_rate: Minimum rate. * @max_burst: Maximum burst size. * @min_burst: Minimum burst size. * * Describes immutable attributes of packet trap policers that drivers register * with devlink. */ struct devlink_trap_policer { … }; /** * struct devlink_trap_group - Immutable packet trap group attributes. * @name: Trap group name. * @id: Trap group identifier. * @generic: Whether the trap group is generic or not. * @init_policer_id: Initial policer identifier. * * Describes immutable attributes of packet trap groups that drivers register * with devlink. */ struct devlink_trap_group { … }; #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT … #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE … /** * struct devlink_trap - Immutable packet trap attributes. * @type: Trap type. * @init_action: Initial trap action. * @generic: Whether the trap is generic or not. * @id: Trap identifier. * @name: Trap name. * @init_group_id: Initial group identifier. * @metadata_cap: Metadata types that can be provided by the trap. * * Describes immutable attributes of packet traps that drivers register with * devlink. */ struct devlink_trap { … }; /* All traps must be documented in * Documentation/networking/devlink/devlink-trap.rst */ enum devlink_trap_generic_id { … }; /* All trap groups must be documented in * Documentation/networking/devlink/devlink-trap.rst */ enum devlink_trap_group_generic_id { … }; #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC … #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH … #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER … #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER … #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST … #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER … #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE … #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR … #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP … #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET … #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC … #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB … #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC … #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB … #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR … #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE … #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR … #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH … #define DEVLINK_TRAP_GENERIC_NAME_RPF … #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE … #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS … #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE … #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR … #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC … #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP … #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP … #define DEVLINK_TRAP_GENERIC_NAME_STP … #define DEVLINK_TRAP_GENERIC_NAME_LACP … #define DEVLINK_TRAP_GENERIC_NAME_LLDP … #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY … #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT … #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT … #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT … #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE … #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY … #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT … #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT … #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE … #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP … #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST … #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE … #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT … #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD … #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF … #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP … #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP … #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM … #define DEVLINK_TRAP_GENERIC_NAME_UC_LB … #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE … #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT … #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT … #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT … #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT … #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL … #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE … #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP … #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP … #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING … #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP … #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER … #define DEVLINK_TRAP_GENERIC_NAME_EAPOL … #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS … #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL … #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ _metadata_cap) … #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ _metadata_cap) … #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) … #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ _max_burst, _min_burst) … enum { … }; struct devlink_ops { … }; void *devlink_priv(struct devlink *devlink); struct devlink *priv_to_devlink(void *priv); struct device *devlink_to_dev(const struct devlink *devlink); /* Devlink instance explicit locking */ void devl_lock(struct devlink *devlink); int devl_trylock(struct devlink *devlink); void devl_unlock(struct devlink *devlink); void devl_assert_locked(struct devlink *devlink); bool devl_lock_is_held(struct devlink *devlink); struct ib_device; struct net *devlink_net(const struct devlink *devlink); /* This call is intended for software devices that can create * devlink instances in other namespaces than init_net. * * Drivers that operate on real HW must use devlink_alloc() instead. */ struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, size_t priv_size, struct net *net, struct device *dev); static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size, struct device *dev) { … } int devl_register(struct devlink *devlink); void devl_unregister(struct devlink *devlink); void devlink_register(struct devlink *devlink); void devlink_unregister(struct devlink *devlink); void devlink_free(struct devlink *devlink); /** * struct devlink_port_ops - Port operations * @port_split: Callback used to split the port into multiple ones. * @port_unsplit: Callback used to unsplit the port group back into * a single port. * @port_type_set: Callback used to set a type of a port. * @port_del: Callback used to delete selected port along with related function. * Devlink core calls this upon user request to delete * a port previously created by devlink_ops->port_new(). * @port_fn_hw_addr_get: Callback used to set port function's hardware address. * Should be used by device drivers to report * the hardware address of a function managed * by the devlink port. * @port_fn_hw_addr_set: Callback used to set port function's hardware address. * Should be used by device drivers to set the hardware * address of a function managed by the devlink port. * @port_fn_roce_get: Callback used to get port function's RoCE capability. * Should be used by device drivers to report * the current state of RoCE capability of a function * managed by the devlink port. * @port_fn_roce_set: Callback used to set port function's RoCE capability. * Should be used by device drivers to enable/disable * RoCE capability of a function managed * by the devlink port. * @port_fn_migratable_get: Callback used to get port function's migratable * capability. Should be used by device drivers * to report the current state of migratable capability * of a function managed by the devlink port. * @port_fn_migratable_set: Callback used to set port function's migratable * capability. Should be used by device drivers * to enable/disable migratable capability of * a function managed by the devlink port. * @port_fn_state_get: Callback used to get port function's state. * Should be used by device drivers to report * the current admin and operational state of a * function managed by the devlink port. * @port_fn_state_set: Callback used to get port function's state. * Should be used by device drivers set * the admin state of a function managed * by the devlink port. * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto * capability. Should be used by device drivers * to report the current state of ipsec_crypto * capability of a function managed by the devlink * port. * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto * capability. Should be used by device drivers to * enable/disable ipsec_crypto capability of a * function managed by the devlink port. * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet * capability. Should be used by device drivers * to report the current state of ipsec_packet * capability of a function managed by the devlink * port. * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet * capability. Should be used by device drivers to * enable/disable ipsec_packet capability of a * function managed by the devlink port. * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number * of event queues. Should be used by device drivers to * report the maximum event queues of a function * managed by the devlink port. * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number * of event queues. Should be used by device drivers to * configure maximum number of event queues * of a function managed by the devlink port. * * Note: Driver should return -EOPNOTSUPP if it doesn't support * port function (@port_fn_*) handling for a particular port. */ struct devlink_port_ops { … }; void devlink_port_init(struct devlink *devlink, struct devlink_port *devlink_port); void devlink_port_fini(struct devlink_port *devlink_port); int devl_port_register_with_ops(struct devlink *devlink, struct devlink_port *devlink_port, unsigned int port_index, const struct devlink_port_ops *ops); static inline int devl_port_register(struct devlink *devlink, struct devlink_port *devlink_port, unsigned int port_index) { … } int devlink_port_register_with_ops(struct devlink *devlink, struct devlink_port *devlink_port, unsigned int port_index, const struct devlink_port_ops *ops); static inline int devlink_port_register(struct devlink *devlink, struct devlink_port *devlink_port, unsigned int port_index) { … } void devl_port_unregister(struct devlink_port *devlink_port); void devlink_port_unregister(struct devlink_port *devlink_port); void devlink_port_type_eth_set(struct devlink_port *devlink_port); void devlink_port_type_ib_set(struct devlink_port *devlink_port, struct ib_device *ibdev); void devlink_port_type_clear(struct devlink_port *devlink_port); void devlink_port_attrs_set(struct devlink_port *devlink_port, struct devlink_port_attrs *devlink_port_attrs); void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, u16 pf, bool external); void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, u16 pf, u16 vf, bool external); void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, u32 controller, u16 pf, u32 sf, bool external); int devl_port_fn_devlink_set(struct devlink_port *devlink_port, struct devlink *fn_devlink); struct devlink_rate * devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, struct devlink_rate *parent); int devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, struct devlink_rate *parent); void devl_rate_leaf_destroy(struct devlink_port *devlink_port); void devl_rate_nodes_destroy(struct devlink *devlink); void devlink_port_linecard_set(struct devlink_port *devlink_port, struct devlink_linecard *linecard); struct devlink_linecard * devl_linecard_create(struct devlink *devlink, unsigned int linecard_index, const struct devlink_linecard_ops *ops, void *priv); void devl_linecard_destroy(struct devlink_linecard *linecard); void devlink_linecard_provision_set(struct devlink_linecard *linecard, const char *type); void devlink_linecard_provision_clear(struct devlink_linecard *linecard); void devlink_linecard_provision_fail(struct devlink_linecard *linecard); void devlink_linecard_activate(struct devlink_linecard *linecard); void devlink_linecard_deactivate(struct devlink_linecard *linecard); int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, struct devlink *nested_devlink); int devl_sb_register(struct devlink *devlink, unsigned int sb_index, u32 size, u16 ingress_pools_count, u16 egress_pools_count, u16 ingress_tc_count, u16 egress_tc_count); int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, u32 size, u16 ingress_pools_count, u16 egress_pools_count, u16 ingress_tc_count, u16 egress_tc_count); void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); int devl_dpipe_table_register(struct devlink *devlink, const char *table_name, const struct devlink_dpipe_table_ops *table_ops, void *priv, bool counter_control_extern); void devl_dpipe_table_unregister(struct devlink *devlink, const char *table_name); void devl_dpipe_headers_register(struct devlink *devlink, struct devlink_dpipe_headers *dpipe_headers); void devl_dpipe_headers_unregister(struct devlink *devlink); bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, const char *table_name); int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, struct devlink_dpipe_entry *entry); int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); int devlink_dpipe_action_put(struct sk_buff *skb, struct devlink_dpipe_action *action); int devlink_dpipe_match_put(struct sk_buff *skb, struct devlink_dpipe_match *match); extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; int devl_resource_register(struct devlink *devlink, const char *resource_name, u64 resource_size, u64 resource_id, u64 parent_resource_id, const struct devlink_resource_size_params *size_params); int devlink_resource_register(struct devlink *devlink, const char *resource_name, u64 resource_size, u64 resource_id, u64 parent_resource_id, const struct devlink_resource_size_params *size_params); void devl_resources_unregister(struct devlink *devlink); void devlink_resources_unregister(struct devlink *devlink); int devl_resource_size_get(struct devlink *devlink, u64 resource_id, u64 *p_resource_size); int devl_dpipe_table_resource_set(struct devlink *devlink, const char *table_name, u64 resource_id, u64 resource_units); void devl_resource_occ_get_register(struct devlink *devlink, u64 resource_id, devlink_resource_occ_get_t *occ_get, void *occ_get_priv); void devlink_resource_occ_get_register(struct devlink *devlink, u64 resource_id, devlink_resource_occ_get_t *occ_get, void *occ_get_priv); void devl_resource_occ_get_unregister(struct devlink *devlink, u64 resource_id); void devlink_resource_occ_get_unregister(struct devlink *devlink, u64 resource_id); int devl_params_register(struct devlink *devlink, const struct devlink_param *params, size_t params_count); int devlink_params_register(struct devlink *devlink, const struct devlink_param *params, size_t params_count); void devl_params_unregister(struct devlink *devlink, const struct devlink_param *params, size_t params_count); void devlink_params_unregister(struct devlink *devlink, const struct devlink_param *params, size_t params_count); int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id, union devlink_param_value *val); void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id, union devlink_param_value init_val); void devl_param_value_changed(struct devlink *devlink, u32 param_id); struct devlink_region *devl_region_create(struct devlink *devlink, const struct devlink_region_ops *ops, u32 region_max_snapshots, u64 region_size); struct devlink_region * devlink_region_create(struct devlink *devlink, const struct devlink_region_ops *ops, u32 region_max_snapshots, u64 region_size); struct devlink_region * devlink_port_region_create(struct devlink_port *port, const struct devlink_port_region_ops *ops, u32 region_max_snapshots, u64 region_size); void devl_region_destroy(struct devlink_region *region); void devlink_region_destroy(struct devlink_region *region); int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); int devlink_region_snapshot_create(struct devlink_region *region, u8 *data, u32 snapshot_id); int devlink_info_serial_number_put(struct devlink_info_req *req, const char *sn); int devlink_info_board_serial_number_put(struct devlink_info_req *req, const char *bsn); enum devlink_info_version_type { … }; int devlink_info_version_fixed_put(struct devlink_info_req *req, const char *version_name, const char *version_value); int devlink_info_version_stored_put(struct devlink_info_req *req, const char *version_name, const char *version_value); int devlink_info_version_stored_put_ext(struct devlink_info_req *req, const char *version_name, const char *version_value, enum devlink_info_version_type version_type); int devlink_info_version_running_put(struct devlink_info_req *req, const char *version_name, const char *version_value); int devlink_info_version_running_put_ext(struct devlink_info_req *req, const char *version_name, const char *version_value, enum devlink_info_version_type version_type); void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, u16 value_len); void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, bool value); void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, u8 value); void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, u32 value); void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, u64 value); void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, const char *value); void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, const void *value, u32 value_len); struct devlink_health_reporter * devl_port_health_reporter_create(struct devlink_port *port, const struct devlink_health_reporter_ops *ops, u64 graceful_period, void *priv); struct devlink_health_reporter * devlink_port_health_reporter_create(struct devlink_port *port, const struct devlink_health_reporter_ops *ops, u64 graceful_period, void *priv); struct devlink_health_reporter * devl_health_reporter_create(struct devlink *devlink, const struct devlink_health_reporter_ops *ops, u64 graceful_period, void *priv); struct devlink_health_reporter * devlink_health_reporter_create(struct devlink *devlink, const struct devlink_health_reporter_ops *ops, u64 graceful_period, void *priv); void devl_health_reporter_destroy(struct devlink_health_reporter *reporter); void devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); void * devlink_health_reporter_priv(struct devlink_health_reporter *reporter); int devlink_health_report(struct devlink_health_reporter *reporter, const char *msg, void *priv_ctx); void devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, enum devlink_health_reporter_state state); void devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); int devl_nested_devlink_set(struct devlink *devlink, struct devlink *nested_devlink); bool devlink_is_reload_failed(const struct devlink *devlink); void devlink_remote_reload_actions_performed(struct devlink *devlink, enum devlink_reload_limit limit, u32 actions_performed); void devlink_flash_update_status_notify(struct devlink *devlink, const char *status_msg, const char *component, unsigned long done, unsigned long total); void devlink_flash_update_timeout_notify(struct devlink *devlink, const char *status_msg, const char *component, unsigned long timeout); int devl_traps_register(struct devlink *devlink, const struct devlink_trap *traps, size_t traps_count, void *priv); int devlink_traps_register(struct devlink *devlink, const struct devlink_trap *traps, size_t traps_count, void *priv); void devl_traps_unregister(struct devlink *devlink, const struct devlink_trap *traps, size_t traps_count); void devlink_traps_unregister(struct devlink *devlink, const struct devlink_trap *traps, size_t traps_count); void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, void *trap_ctx, struct devlink_port *in_devlink_port, const struct flow_action_cookie *fa_cookie); void *devlink_trap_ctx_priv(void *trap_ctx); int devl_trap_groups_register(struct devlink *devlink, const struct devlink_trap_group *groups, size_t groups_count); int devlink_trap_groups_register(struct devlink *devlink, const struct devlink_trap_group *groups, size_t groups_count); void devl_trap_groups_unregister(struct devlink *devlink, const struct devlink_trap_group *groups, size_t groups_count); void devlink_trap_groups_unregister(struct devlink *devlink, const struct devlink_trap_group *groups, size_t groups_count); int devl_trap_policers_register(struct devlink *devlink, const struct devlink_trap_policer *policers, size_t policers_count); void devl_trap_policers_unregister(struct devlink *devlink, const struct devlink_trap_policer *policers, size_t policers_count); #if IS_ENABLED(CONFIG_NET_DEVLINK) struct devlink *__must_check devlink_try_get(struct devlink *devlink); void devlink_put(struct devlink *devlink); void devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len); int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); int devlink_compat_phys_port_name_get(struct net_device *dev, char *name, size_t len); int devlink_compat_switch_id_get(struct net_device *dev, struct netdev_phys_item_id *ppid); int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); #else static inline struct devlink *devlink_try_get(struct devlink *devlink) { return NULL; } static inline void devlink_put(struct devlink *devlink) { } static inline void devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) { } static inline int devlink_compat_flash_update(struct devlink *devlink, const char *file_name) { return -EOPNOTSUPP; } static inline int devlink_compat_phys_port_name_get(struct net_device *dev, char *name, size_t len) { return -EOPNOTSUPP; } static inline int devlink_compat_switch_id_get(struct net_device *dev, struct netdev_phys_item_id *ppid) { return -EOPNOTSUPP; } static inline int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) { return 0; } static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) { return 0; } #endif #endif /* _NET_DEVLINK_H_ */
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