/* 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 */ #ifndef _NET_DEVLINK_H_ #define _NET_DEVLINK_H_ #include #include #include #include #include #include #include #include #include #include struct devlink_ops; struct devlink { struct list_head list; struct list_head port_list; struct list_head sb_list; struct list_head dpipe_table_list; struct list_head resource_list; struct list_head param_list; struct list_head region_list; u32 snapshot_id; struct list_head reporter_list; struct mutex reporters_lock; /* protects reporter_list */ struct devlink_dpipe_headers *dpipe_headers; struct list_head trap_list; struct list_head trap_group_list; const struct devlink_ops *ops; struct device *dev; possible_net_t _net; struct mutex lock; u8 reload_failed:1, reload_enabled:1, registered:1; char priv[0] __aligned(NETDEV_ALIGN); }; struct devlink_port_phys_attrs { u32 port_number; /* Same value as "split group". * A physical port which is visible to the user * for a given port flavour. */ u32 split_subport_number; }; struct devlink_port_pci_pf_attrs { u16 pf; /* Associated PCI PF for this port. */ }; struct devlink_port_pci_vf_attrs { u16 pf; /* Associated PCI PF for this port. */ u16 vf; /* Associated PCI VF for of the PCI PF for this port. */ }; struct devlink_port_attrs { u8 set:1, split:1, switch_port:1; enum devlink_port_flavour flavour; struct netdev_phys_item_id switch_id; union { struct devlink_port_phys_attrs phys; struct devlink_port_pci_pf_attrs pci_pf; struct devlink_port_pci_vf_attrs pci_vf; }; }; struct devlink_port { struct list_head list; struct list_head param_list; struct devlink *devlink; unsigned int index; bool registered; spinlock_t type_lock; /* Protects type and type_dev * pointer consistency. */ enum devlink_port_type type; enum devlink_port_type desired_type; void *type_dev; struct devlink_port_attrs attrs; struct delayed_work type_warn_dw; }; struct devlink_sb_pool_info { enum devlink_sb_pool_type pool_type; u32 size; enum devlink_sb_threshold_type threshold_type; u32 cell_size; }; /** * 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 { const char *name; unsigned int id; unsigned int bitwidth; enum devlink_dpipe_field_mapping_type mapping_type; }; /** * struct devlink_dpipe_header - dpipe header object * @name: header name * @id: index, global/local detrmined 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 { const char *name; unsigned int id; struct devlink_dpipe_field *fields; unsigned int fields_count; bool global; }; /** * 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 * @fieled_id: field index */ struct devlink_dpipe_match { enum devlink_dpipe_match_type type; unsigned int header_index; struct devlink_dpipe_header *header; unsigned int field_id; }; /** * 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 * @fieled_id: field index */ struct devlink_dpipe_action { enum devlink_dpipe_action_type type; unsigned int header_index; struct devlink_dpipe_header *header; unsigned int field_id; }; /** * 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 { union { struct devlink_dpipe_action *action; struct devlink_dpipe_match *match; }; unsigned int mapping_value; bool mapping_valid; unsigned int value_size; void *value; void *mask; }; /** * struct devlink_dpipe_entry - table entry object * @index: index of the entry in the table * @match_values: match values * @matche_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 { u64 index; struct devlink_dpipe_value *match_values; unsigned int match_values_count; struct devlink_dpipe_value *action_values; unsigned int action_values_count; u64 counter; bool counter_valid; }; /** * 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 genl_info *info; enum devlink_command cmd; struct sk_buff *skb; struct nlattr *nest; void *hdr; }; 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 { void *priv; struct list_head list; const char *name; bool counters_enabled; bool counter_control_extern; bool resource_valid; u64 resource_id; u64 resource_units; struct devlink_dpipe_table_ops *table_ops; struct rcu_head rcu; }; /** * 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 { int (*actions_dump)(void *priv, struct sk_buff *skb); int (*matches_dump)(void *priv, struct sk_buff *skb); int (*entries_dump)(void *priv, bool counters_enabled, struct devlink_dpipe_dump_ctx *dump_ctx); int (*counters_set_update)(void *priv, bool enable); u64 (*size_get)(void *priv); }; /** * 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_dpipe_header **headers; unsigned int headers_count; }; /** * 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 * @size_unit: resource's basic unit */ struct devlink_resource_size_params { u64 size_min; u64 size_max; u64 size_granularity; enum devlink_resource_unit unit; }; 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) { size_params->size_min = size_min; size_params->size_max = size_max; size_params->size_granularity = size_granularity; size_params->unit = unit; } typedef u64 devlink_resource_occ_get_t(void *priv); /** * struct devlink_resource - devlink resource * @name: name of the resource * @id: id, per devlink instance * @size: size of the resource * @size_new: updated size of the resource, reload is needed * @size_valid: valid in case the total size of the resource is valid * including its children * @parent: parent resource * @size_params: size parameters * @list: parent list * @resource_list: list of child resources */ struct devlink_resource { const char *name; u64 id; u64 size; u64 size_new; bool size_valid; struct devlink_resource *parent; struct devlink_resource_size_params size_params; struct list_head list; struct list_head resource_list; devlink_resource_occ_get_t *occ_get; void *occ_get_priv; }; #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 enum devlink_param_type { DEVLINK_PARAM_TYPE_U8, DEVLINK_PARAM_TYPE_U16, DEVLINK_PARAM_TYPE_U32, DEVLINK_PARAM_TYPE_STRING, DEVLINK_PARAM_TYPE_BOOL, }; union devlink_param_value { u8 vu8; u16 vu16; u32 vu32; char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; bool vbool; }; struct devlink_param_gset_ctx { union devlink_param_value val; enum devlink_param_cmode cmode; }; /** * struct devlink_param - devlink configuration parameter data * @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 { u32 id; const char *name; bool generic; enum devlink_param_type type; unsigned long supported_cmodes; int (*get)(struct devlink *devlink, u32 id, struct devlink_param_gset_ctx *ctx); int (*set)(struct devlink *devlink, u32 id, struct devlink_param_gset_ctx *ctx); int (*validate)(struct devlink *devlink, u32 id, union devlink_param_value val, struct netlink_ext_ack *extack); }; struct devlink_param_item { struct list_head list; const struct devlink_param *param; union devlink_param_value driverinit_value; bool driverinit_value_valid; bool published; }; enum devlink_param_generic_id { DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, DEVLINK_PARAM_GENERIC_ID_MAX_MACS, DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, /* add new param generic ids above here*/ __DEVLINK_PARAM_GENERIC_ID_MAX, DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, }; #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ "reset_dev_on_drv_probe" #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ { \ .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ .generic = true, \ .supported_cmodes = _cmodes, \ .get = _get, \ .set = _set, \ .validate = _validate, \ } #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ { \ .id = _id, \ .name = _name, \ .type = _type, \ .supported_cmodes = _cmodes, \ .get = _get, \ .set = _set, \ .validate = _validate, \ } /* Part number, identifier of board design */ #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" /* Revision of board design */ #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" /* Maker of the board */ #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" /* Part number, identifier of asic design */ #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" /* Revision of asic design */ #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" /* Overall FW version */ #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" /* Control processor FW version */ #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" /* Data path microcode controlling high-speed packet processing */ #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" /* UNDI software version */ #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" /* NCSI support/handler version */ #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" struct devlink_region; struct devlink_info_req; typedef void devlink_snapshot_data_dest_t(const void *data); struct devlink_fmsg; struct devlink_health_reporter; enum devlink_health_reporter_state { DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, DEVLINK_HEALTH_REPORTER_STATE_ERROR, }; /** * 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 */ struct devlink_health_reporter_ops { char *name; int (*recover)(struct devlink_health_reporter *reporter, void *priv_ctx, struct netlink_ext_ack *extack); int (*dump)(struct devlink_health_reporter *reporter, struct devlink_fmsg *fmsg, void *priv_ctx, struct netlink_ext_ack *extack); int (*diagnose)(struct devlink_health_reporter *reporter, struct devlink_fmsg *fmsg, struct netlink_ext_ack *extack); }; /** * 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. * * Describes immutable attributes of packet trap groups that drivers register * with devlink. */ struct devlink_trap_group { const char *name; u16 id; bool generic; }; #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) /** * 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. * @group: Immutable packet trap group attributes. * @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 { enum devlink_trap_type type; enum devlink_trap_action init_action; bool generic; u16 id; const char *name; struct devlink_trap_group group; u32 metadata_cap; }; /* All traps must be documented in * Documentation/networking/devlink-trap.rst */ enum devlink_trap_generic_id { DEVLINK_TRAP_GENERIC_ID_SMAC_MC, DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, DEVLINK_TRAP_GENERIC_ID_DIP_LB, DEVLINK_TRAP_GENERIC_ID_SIP_MC, DEVLINK_TRAP_GENERIC_ID_SIP_LB, DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, DEVLINK_TRAP_GENERIC_ID_RPF, DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, /* Add new generic trap IDs above */ __DEVLINK_TRAP_GENERIC_ID_MAX, DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, }; /* All trap groups must be documented in * Documentation/networking/devlink-trap.rst */ enum devlink_trap_group_generic_id { DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, /* Add new generic trap group IDs above */ __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, }; #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ "source_mac_is_multicast" #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ "vlan_tag_mismatch" #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ "ingress_vlan_filter" #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ "ingress_spanning_tree_filter" #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ "port_list_is_empty" #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ "port_loopback_filter" #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ "blackhole_route" #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ "ttl_value_is_too_small" #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ "tail_drop" #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ "non_ip" #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ "uc_dip_over_mc_dmac" #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ "dip_is_loopback_address" #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ "sip_is_mc" #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ "sip_is_loopback_address" #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ "ip_header_corrupted" #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ "ipv4_sip_is_limited_bc" #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ "ipv6_mc_dip_reserved_scope" #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ "ipv6_mc_dip_interface_local_scope" #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ "mtu_value_is_too_small" #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ "unresolved_neigh" #define DEVLINK_TRAP_GENERIC_NAME_RPF \ "mc_reverse_path_forwarding" #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ "reject_route" #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ "ipv4_lpm_miss" #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ "ipv6_lpm_miss" #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ "l2_drops" #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ "l3_drops" #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ "buffer_drops" #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group, _metadata_cap) \ { \ .type = DEVLINK_TRAP_TYPE_##_type, \ .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ .generic = true, \ .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ .group = _group, \ .metadata_cap = _metadata_cap, \ } #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group, \ _metadata_cap) \ { \ .type = DEVLINK_TRAP_TYPE_##_type, \ .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ .generic = false, \ .id = _id, \ .name = _name, \ .group = _group, \ .metadata_cap = _metadata_cap, \ } #define DEVLINK_TRAP_GROUP_GENERIC(_id) \ { \ .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ .generic = true, \ } struct devlink_ops { int (*reload_down)(struct devlink *devlink, bool netns_change, struct netlink_ext_ack *extack); int (*reload_up)(struct devlink *devlink, struct netlink_ext_ack *extack); int (*port_type_set)(struct devlink_port *devlink_port, enum devlink_port_type port_type); int (*port_split)(struct devlink *devlink, unsigned int port_index, unsigned int count, struct netlink_ext_ack *extack); int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, struct netlink_ext_ack *extack); int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, u16 pool_index, struct devlink_sb_pool_info *pool_info); int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, u16 pool_index, u32 size, enum devlink_sb_threshold_type threshold_type, struct netlink_ext_ack *extack); int (*sb_port_pool_get)(struct devlink_port *devlink_port, unsigned int sb_index, u16 pool_index, u32 *p_threshold); int (*sb_port_pool_set)(struct devlink_port *devlink_port, unsigned int sb_index, u16 pool_index, u32 threshold, struct netlink_ext_ack *extack); int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, unsigned int sb_index, u16 tc_index, enum devlink_sb_pool_type pool_type, u16 *p_pool_index, u32 *p_threshold); int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, unsigned int sb_index, u16 tc_index, enum devlink_sb_pool_type pool_type, u16 pool_index, u32 threshold, struct netlink_ext_ack *extack); int (*sb_occ_snapshot)(struct devlink *devlink, unsigned int sb_index); int (*sb_occ_max_clear)(struct devlink *devlink, unsigned int sb_index); int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, unsigned int sb_index, u16 pool_index, u32 *p_cur, u32 *p_max); int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, unsigned int sb_index, u16 tc_index, enum devlink_sb_pool_type pool_type, u32 *p_cur, u32 *p_max); int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, struct netlink_ext_ack *extack); int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, struct netlink_ext_ack *extack); int (*eswitch_encap_mode_get)(struct devlink *devlink, enum devlink_eswitch_encap_mode *p_encap_mode); int (*eswitch_encap_mode_set)(struct devlink *devlink, enum devlink_eswitch_encap_mode encap_mode, struct netlink_ext_ack *extack); int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, struct netlink_ext_ack *extack); int (*flash_update)(struct devlink *devlink, const char *file_name, const char *component, struct netlink_ext_ack *extack); /** * @trap_init: Trap initialization function. * * Should be used by device drivers to initialize the trap in the * underlying device. Drivers should also store the provided trap * context, so that they could efficiently pass it to * devlink_trap_report() when the trap is triggered. */ int (*trap_init)(struct devlink *devlink, const struct devlink_trap *trap, void *trap_ctx); /** * @trap_fini: Trap de-initialization function. * * Should be used by device drivers to de-initialize the trap in the * underlying device. */ void (*trap_fini)(struct devlink *devlink, const struct devlink_trap *trap, void *trap_ctx); /** * @trap_action_set: Trap action set function. */ int (*trap_action_set)(struct devlink *devlink, const struct devlink_trap *trap, enum devlink_trap_action action); /** * @trap_group_init: Trap group initialization function. * * Should be used by device drivers to initialize the trap group in the * underlying device. */ int (*trap_group_init)(struct devlink *devlink, const struct devlink_trap_group *group); }; static inline void *devlink_priv(struct devlink *devlink) { BUG_ON(!devlink); return &devlink->priv; } static inline struct devlink *priv_to_devlink(void *priv) { BUG_ON(!priv); return container_of(priv, struct devlink, priv); } static inline struct devlink_port * netdev_to_devlink_port(struct net_device *dev) { if (dev->netdev_ops->ndo_get_devlink_port) return dev->netdev_ops->ndo_get_devlink_port(dev); return NULL; } static inline struct devlink *netdev_to_devlink(struct net_device *dev) { struct devlink_port *devlink_port = netdev_to_devlink_port(dev); if (devlink_port) return devlink_port->devlink; return NULL; } struct ib_device; struct net *devlink_net(const struct devlink *devlink); void devlink_net_set(struct devlink *devlink, struct net *net); struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); int devlink_register(struct devlink *devlink, struct device *dev); void devlink_unregister(struct devlink *devlink); void devlink_reload_enable(struct devlink *devlink); void devlink_reload_disable(struct devlink *devlink); void devlink_free(struct devlink *devlink); int devlink_port_register(struct devlink *devlink, struct devlink_port *devlink_port, unsigned int port_index); void devlink_port_unregister(struct devlink_port *devlink_port); void devlink_port_type_eth_set(struct devlink_port *devlink_port, struct net_device *netdev); 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, enum devlink_port_flavour flavour, u32 port_number, bool split, u32 split_subport_number, const unsigned char *switch_id, unsigned char switch_id_len); void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, const unsigned char *switch_id, unsigned char switch_id_len, u16 pf); void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, const unsigned char *switch_id, unsigned char switch_id_len, u16 pf, u16 vf); 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 devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); int devlink_dpipe_table_register(struct devlink *devlink, const char *table_name, struct devlink_dpipe_table_ops *table_ops, void *priv, bool counter_control_extern); void devlink_dpipe_table_unregister(struct devlink *devlink, const char *table_name); int devlink_dpipe_headers_register(struct devlink *devlink, struct devlink_dpipe_headers *dpipe_headers); void devlink_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 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 devlink_resources_unregister(struct devlink *devlink, struct devlink_resource *resource); int devlink_resource_size_get(struct devlink *devlink, u64 resource_id, u64 *p_resource_size); int devlink_dpipe_table_resource_set(struct devlink *devlink, const char *table_name, u64 resource_id, u64 resource_units); void devlink_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_unregister(struct devlink *devlink, u64 resource_id); int devlink_params_register(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); void devlink_params_publish(struct devlink *devlink); void devlink_params_unpublish(struct devlink *devlink); int devlink_port_params_register(struct devlink_port *devlink_port, const struct devlink_param *params, size_t params_count); void devlink_port_params_unregister(struct devlink_port *devlink_port, const struct devlink_param *params, size_t params_count); int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, union devlink_param_value *init_val); int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, union devlink_param_value init_val); int devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port, u32 param_id, union devlink_param_value *init_val); int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port, u32 param_id, union devlink_param_value init_val); void devlink_param_value_changed(struct devlink *devlink, u32 param_id); void devlink_port_param_value_changed(struct devlink_port *devlink_port, u32 param_id); void devlink_param_value_str_fill(union devlink_param_value *dst_val, const char *src); struct devlink_region *devlink_region_create(struct devlink *devlink, const char *region_name, u32 region_max_snapshots, u64 region_size); void devlink_region_destroy(struct devlink_region *region); u32 devlink_region_shapshot_id_get(struct devlink *devlink); int devlink_region_snapshot_create(struct devlink_region *region, u8 *data, u32 snapshot_id, devlink_snapshot_data_dest_t *data_destructor); int devlink_info_serial_number_put(struct devlink_info_req *req, const char *sn); int devlink_info_driver_name_put(struct devlink_info_req *req, const char *name); 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_running_put(struct devlink_info_req *req, const char *version_name, const char *version_value); int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value); int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value); int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value); int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, bool value); int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, u8 value); int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, u32 value); int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, u64 value); int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, const char *value); int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, const void *value, u32 value_len); struct devlink_health_reporter * devlink_health_reporter_create(struct devlink *devlink, const struct devlink_health_reporter_ops *ops, u64 graceful_period, bool auto_recover, void *priv); 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); bool devlink_is_reload_failed(const struct devlink *devlink); void devlink_flash_update_begin_notify(struct devlink *devlink); void devlink_flash_update_end_notify(struct devlink *devlink); void devlink_flash_update_status_notify(struct devlink *devlink, const char *status_msg, const char *component, unsigned long done, unsigned long total); int devlink_traps_register(struct devlink *devlink, const struct devlink_trap *traps, size_t traps_count, void *priv); 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); void *devlink_trap_ctx_priv(void *trap_ctx); #if IS_ENABLED(CONFIG_NET_DEVLINK) void devlink_compat_running_version(struct net_device *dev, char *buf, size_t len); int devlink_compat_flash_update(struct net_device *dev, 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); #else static inline void devlink_compat_running_version(struct net_device *dev, char *buf, size_t len) { } static inline int devlink_compat_flash_update(struct net_device *dev, 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; } #endif #endif /* _NET_DEVLINK_H_ */