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kernel_optimize_test/include/net/devlink.h
Ido Schimmel c88e11e047 devlink: Pass extack when setting trap's action and group's parameters 
A later patch will refuse to set the action of certain traps in mlxsw
and also to change the policer binding of certain groups. Pass extack so
that failure could be communicated clearly to user space.

Reviewed-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-03 18:06:46 -07:00

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/* 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 <jiri@mellanox.com>
*/
#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>
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;
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;
struct list_head trap_policer_list;
const struct devlink_ops *ops;
struct xarray snapshot_ids;
struct device *dev;
possible_net_t _net;
struct mutex lock; /* Serializes access to devlink instance specific objects such as
* port, sb, dpipe, resource, params, region, traps and more.
*/
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; /* If the port is split, this is the number of subport. */
};
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 - 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
*/
struct devlink_port_attrs {
u8 split:1,
splittable:1;
u32 lanes;
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;
u8 attrs_set:1,
switch_port:1;
struct delayed_work type_warn_dw;
struct list_head reporter_list;
struct mutex reporters_lock; /* Protects reporter_list */
};
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"
/* FW interface specification version */
#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
/* 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"
/* FW parameter set id */
#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
/* RoCE FW version */
#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
/* Firmware bundle identifier */
#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
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.
*/
struct devlink_region_ops {
const char *name;
void (*destructor)(const void *data);
int (*snapshot)(struct devlink *devlink, struct netlink_ext_ack *extack,
u8 **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_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 {
u32 id;
u64 init_rate;
u64 init_burst;
u64 max_rate;
u64 min_rate;
u64 max_burst;
u64 min_burst;
};
/**
* 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 {
const char *name;
u16 id;
bool generic;
u32 init_policer_id;
};
#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
/**
* 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 {
enum devlink_trap_type type;
enum devlink_trap_action init_action;
bool generic;
u16 id;
const char *name;
u16 init_group_id;
u32 metadata_cap;
};
/* All traps must be documented in
* Documentation/networking/devlink/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,
DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
DEVLINK_TRAP_GENERIC_ID_STP,
DEVLINK_TRAP_GENERIC_ID_LACP,
DEVLINK_TRAP_GENERIC_ID_LLDP,
DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
DEVLINK_TRAP_GENERIC_ID_UC_LB,
DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
/* 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/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_L3_EXCEPTIONS,
DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
/* 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_GENERIC_NAME_NON_ROUTABLE \
"non_routable_packet"
#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
"decap_error"
#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
"overlay_smac_is_mc"
#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
"ingress_flow_action_drop"
#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
"egress_flow_action_drop"
#define DEVLINK_TRAP_GENERIC_NAME_STP \
"stp"
#define DEVLINK_TRAP_GENERIC_NAME_LACP \
"lacp"
#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
"lldp"
#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
"igmp_query"
#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
"igmp_v1_report"
#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
"igmp_v2_report"
#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
"igmp_v3_report"
#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
"igmp_v2_leave"
#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
"mld_query"
#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
"mld_v1_report"
#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
"mld_v2_report"
#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
"mld_v1_done"
#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
"ipv4_dhcp"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
"ipv6_dhcp"
#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
"arp_request"
#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
"arp_response"
#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
"arp_overlay"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
"ipv6_neigh_solicit"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
"ipv6_neigh_advert"
#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
"ipv4_bfd"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
"ipv6_bfd"
#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
"ipv4_ospf"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
"ipv6_ospf"
#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
"ipv4_bgp"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
"ipv6_bgp"
#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
"ipv4_vrrp"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
"ipv6_vrrp"
#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
"ipv4_pim"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
"ipv6_pim"
#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
"uc_loopback"
#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
"local_route"
#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
"external_route"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
"ipv6_uc_dip_link_local_scope"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
"ipv6_dip_all_nodes"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
"ipv6_dip_all_routers"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
"ipv6_router_solicit"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
"ipv6_router_advert"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
"ipv6_redirect"
#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
"ipv4_router_alert"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
"ipv6_router_alert"
#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
"ptp_event"
#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
"ptp_general"
#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
"flow_action_sample"
#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
"flow_action_trap"
#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
"early_drop"
#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_L3_EXCEPTIONS \
"l3_exceptions"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
"buffer_drops"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
"tunnel_drops"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
"acl_drops"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
"stp"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
"lacp"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
"lldp"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
"mc_snooping"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
"dhcp"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
"neigh_discovery"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
"bfd"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
"ospf"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
"bgp"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
"vrrp"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
"pim"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
"uc_loopback"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
"local_delivery"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
"external_delivery"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
"ipv6"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
"ptp_event"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
"ptp_general"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
"acl_sample"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
"acl_trap"
#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
_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, \
.init_group_id = _group_id, \
.metadata_cap = _metadata_cap, \
}
#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
_metadata_cap) \
{ \
.type = DEVLINK_TRAP_TYPE_##_type, \
.init_action = DEVLINK_TRAP_ACTION_##_init_action, \
.generic = false, \
.id = _id, \
.name = _name, \
.init_group_id = _group_id, \
.metadata_cap = _metadata_cap, \
}
#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
{ \
.name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
.id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
.generic = true, \
.init_policer_id = _policer_id, \
}
#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
_max_burst, _min_burst) \
{ \
.id = _id, \
.init_rate = _rate, \
.init_burst = _burst, \
.max_rate = _max_rate, \
.min_rate = _min_rate, \
.max_burst = _max_burst, \
.min_burst = _min_burst, \
}
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,
struct netlink_ext_ack *extack);
/**
* @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);
/**
* @trap_group_set: Trap group parameters set function.
*
* Note: @policer can be NULL when a policer is being unbound from
* @group.
*/
int (*trap_group_set)(struct devlink *devlink,
const struct devlink_trap_group *group,
const struct devlink_trap_policer *policer,
struct netlink_ext_ack *extack);
/**
* @trap_policer_init: Trap policer initialization function.
*
* Should be used by device drivers to initialize the trap policer in
* the underlying device.
*/
int (*trap_policer_init)(struct devlink *devlink,
const struct devlink_trap_policer *policer);
/**
* @trap_policer_fini: Trap policer de-initialization function.
*
* Should be used by device drivers to de-initialize the trap policer
* in the underlying device.
*/
void (*trap_policer_fini)(struct devlink *devlink,
const struct devlink_trap_policer *policer);
/**
* @trap_policer_set: Trap policer parameters set function.
*/
int (*trap_policer_set)(struct devlink *devlink,
const struct devlink_trap_policer *policer,
u64 rate, u64 burst,
struct netlink_ext_ack *extack);
/**
* @trap_policer_counter_get: Trap policer counter get function.
*
* Should be used by device drivers to report number of packets dropped
* by the policer.
*/
int (*trap_policer_counter_get)(struct devlink *devlink,
const struct devlink_trap_policer *policer,
u64 *p_drops);
/**
* @port_function_hw_addr_get: Port function's hardware address get function.
*
* Should be used by device drivers to report the hardware address of a function managed
* by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
* function handling for a particular port.
*
* Note: @extack can be NULL when port notifier queries the port function.
*/
int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port,
u8 *hw_addr, int *hw_addr_len,
struct netlink_ext_ack *extack);
/**
* @port_function_hw_addr_set: Port function's hardware address set function.
*
* Should be used by device drivers to set the hardware address of a function managed
* by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
* function handling for a particular port.
*/
int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port,
const u8 *hw_addr, int hw_addr_len,
struct netlink_ext_ack *extack);
};
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,
struct devlink_port_attrs *devlink_port_attrs);
void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u16 pf);
void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port,
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 struct devlink_region_ops *ops,
u32 region_max_snapshots, u64 region_size);
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_driver_name_put(struct devlink_info_req *req,
const char *name);
int devlink_info_board_serial_number_put(struct devlink_info_req *req,
const char *bsn);
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_binary_pair_nest_start(struct devlink_fmsg *fmsg,
const char *name);
int devlink_fmsg_binary_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_binary_put(struct devlink_fmsg *fmsg, const void *value,
u16 value_len);
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, 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);
void
devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
void
devlink_port_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);
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,
const struct flow_action_cookie *fa_cookie);
void *devlink_trap_ctx_priv(void *trap_ctx);
int devlink_trap_groups_register(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
devlink_trap_policers_register(struct devlink *devlink,
const struct devlink_trap_policer *policers,
size_t policers_count);
void
devlink_trap_policers_unregister(struct devlink *devlink,
const struct devlink_trap_policer *policers,
size_t policers_count);
#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_ */
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