1013 lines
33 KiB
C
1013 lines
33 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* include/net/devlink.h - Network physical device Netlink interface
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* Copyright (c) 2016 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
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*/
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#ifndef _NET_DEVLINK_H_
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#define _NET_DEVLINK_H_
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#include <linux/device.h>
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#include <linux/slab.h>
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#include <linux/gfp.h>
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#include <linux/list.h>
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#include <linux/netdevice.h>
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#include <linux/spinlock.h>
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#include <linux/workqueue.h>
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#include <linux/refcount.h>
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#include <net/net_namespace.h>
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#include <uapi/linux/devlink.h>
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struct devlink_ops;
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struct devlink {
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struct list_head list;
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struct list_head port_list;
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struct list_head sb_list;
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struct list_head dpipe_table_list;
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struct list_head resource_list;
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struct list_head param_list;
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struct list_head region_list;
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u32 snapshot_id;
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struct list_head reporter_list;
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struct mutex reporters_lock; /* protects reporter_list */
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struct devlink_dpipe_headers *dpipe_headers;
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struct list_head trap_list;
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struct list_head trap_group_list;
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const struct devlink_ops *ops;
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struct device *dev;
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possible_net_t _net;
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struct mutex lock;
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u8 reload_failed:1,
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reload_enabled:1;
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char priv[0] __aligned(NETDEV_ALIGN);
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};
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struct devlink_port_phys_attrs {
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u32 port_number; /* Same value as "split group".
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* A physical port which is visible to the user
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* for a given port flavour.
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*/
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u32 split_subport_number;
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};
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struct devlink_port_pci_pf_attrs {
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u16 pf; /* Associated PCI PF for this port. */
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};
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struct devlink_port_pci_vf_attrs {
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u16 pf; /* Associated PCI PF for this port. */
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u16 vf; /* Associated PCI VF for of the PCI PF for this port. */
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};
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struct devlink_port_attrs {
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u8 set:1,
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split:1,
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switch_port:1;
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enum devlink_port_flavour flavour;
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struct netdev_phys_item_id switch_id;
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union {
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struct devlink_port_phys_attrs phys;
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struct devlink_port_pci_pf_attrs pci_pf;
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struct devlink_port_pci_vf_attrs pci_vf;
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};
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};
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struct devlink_port {
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struct list_head list;
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struct list_head param_list;
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struct devlink *devlink;
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unsigned int index;
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bool registered;
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spinlock_t type_lock; /* Protects type and type_dev
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* pointer consistency.
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*/
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enum devlink_port_type type;
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enum devlink_port_type desired_type;
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void *type_dev;
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struct devlink_port_attrs attrs;
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struct delayed_work type_warn_dw;
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};
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struct devlink_sb_pool_info {
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enum devlink_sb_pool_type pool_type;
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u32 size;
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enum devlink_sb_threshold_type threshold_type;
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u32 cell_size;
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};
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/**
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* struct devlink_dpipe_field - dpipe field object
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* @name: field name
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* @id: index inside the headers field array
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* @bitwidth: bitwidth
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* @mapping_type: mapping type
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*/
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struct devlink_dpipe_field {
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const char *name;
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unsigned int id;
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unsigned int bitwidth;
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enum devlink_dpipe_field_mapping_type mapping_type;
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};
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/**
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* struct devlink_dpipe_header - dpipe header object
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* @name: header name
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* @id: index, global/local detrmined by global bit
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* @fields: fields
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* @fields_count: number of fields
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* @global: indicates if header is shared like most protocol header
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* or driver specific
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*/
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struct devlink_dpipe_header {
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const char *name;
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unsigned int id;
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struct devlink_dpipe_field *fields;
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unsigned int fields_count;
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bool global;
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};
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/**
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* struct devlink_dpipe_match - represents match operation
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* @type: type of match
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* @header_index: header index (packets can have several headers of same
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* type like in case of tunnels)
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* @header: header
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* @fieled_id: field index
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*/
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struct devlink_dpipe_match {
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enum devlink_dpipe_match_type type;
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unsigned int header_index;
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struct devlink_dpipe_header *header;
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unsigned int field_id;
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};
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/**
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* struct devlink_dpipe_action - represents action operation
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* @type: type of action
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* @header_index: header index (packets can have several headers of same
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* type like in case of tunnels)
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* @header: header
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* @fieled_id: field index
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*/
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struct devlink_dpipe_action {
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enum devlink_dpipe_action_type type;
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unsigned int header_index;
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struct devlink_dpipe_header *header;
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unsigned int field_id;
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};
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/**
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* struct devlink_dpipe_value - represents value of match/action
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* @action: action
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* @match: match
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* @mapping_value: in case the field has some mapping this value
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* specified the mapping value
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* @mapping_valid: specify if mapping value is valid
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* @value_size: value size
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* @value: value
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* @mask: bit mask
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*/
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struct devlink_dpipe_value {
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union {
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struct devlink_dpipe_action *action;
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struct devlink_dpipe_match *match;
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};
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unsigned int mapping_value;
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bool mapping_valid;
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unsigned int value_size;
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void *value;
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void *mask;
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};
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/**
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* struct devlink_dpipe_entry - table entry object
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* @index: index of the entry in the table
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* @match_values: match values
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* @matche_values_count: count of matches tuples
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* @action_values: actions values
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* @action_values_count: count of actions values
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* @counter: value of counter
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* @counter_valid: Specify if value is valid from hardware
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*/
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struct devlink_dpipe_entry {
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u64 index;
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struct devlink_dpipe_value *match_values;
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unsigned int match_values_count;
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struct devlink_dpipe_value *action_values;
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unsigned int action_values_count;
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u64 counter;
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bool counter_valid;
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};
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/**
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* struct devlink_dpipe_dump_ctx - context provided to driver in order
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* to dump
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* @info: info
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* @cmd: devlink command
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* @skb: skb
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* @nest: top attribute
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* @hdr: hdr
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*/
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struct devlink_dpipe_dump_ctx {
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struct genl_info *info;
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enum devlink_command cmd;
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struct sk_buff *skb;
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struct nlattr *nest;
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void *hdr;
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};
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struct devlink_dpipe_table_ops;
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/**
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* struct devlink_dpipe_table - table object
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* @priv: private
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* @name: table name
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* @counters_enabled: indicates if counters are active
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* @counter_control_extern: indicates if counter control is in dpipe or
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* external tool
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* @resource_valid: Indicate that the resource id is valid
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* @resource_id: relative resource this table is related to
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* @resource_units: number of resource's unit consumed per table's entry
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* @table_ops: table operations
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* @rcu: rcu
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*/
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struct devlink_dpipe_table {
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void *priv;
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struct list_head list;
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const char *name;
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bool counters_enabled;
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bool counter_control_extern;
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bool resource_valid;
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u64 resource_id;
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u64 resource_units;
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struct devlink_dpipe_table_ops *table_ops;
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struct rcu_head rcu;
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};
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/**
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* struct devlink_dpipe_table_ops - dpipe_table ops
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* @actions_dump - dumps all tables actions
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* @matches_dump - dumps all tables matches
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* @entries_dump - dumps all active entries in the table
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* @counters_set_update - when changing the counter status hardware sync
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* maybe needed to allocate/free counter related
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* resources
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* @size_get - get size
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*/
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struct devlink_dpipe_table_ops {
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int (*actions_dump)(void *priv, struct sk_buff *skb);
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int (*matches_dump)(void *priv, struct sk_buff *skb);
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int (*entries_dump)(void *priv, bool counters_enabled,
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struct devlink_dpipe_dump_ctx *dump_ctx);
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int (*counters_set_update)(void *priv, bool enable);
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u64 (*size_get)(void *priv);
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};
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/**
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* struct devlink_dpipe_headers - dpipe headers
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* @headers - header array can be shared (global bit) or driver specific
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* @headers_count - count of headers
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*/
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struct devlink_dpipe_headers {
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struct devlink_dpipe_header **headers;
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unsigned int headers_count;
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};
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/**
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* struct devlink_resource_size_params - resource's size parameters
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* @size_min: minimum size which can be set
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* @size_max: maximum size which can be set
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* @size_granularity: size granularity
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* @size_unit: resource's basic unit
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*/
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struct devlink_resource_size_params {
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u64 size_min;
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u64 size_max;
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u64 size_granularity;
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enum devlink_resource_unit unit;
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};
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static inline void
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devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
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u64 size_min, u64 size_max,
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u64 size_granularity,
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enum devlink_resource_unit unit)
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{
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size_params->size_min = size_min;
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size_params->size_max = size_max;
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size_params->size_granularity = size_granularity;
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size_params->unit = unit;
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}
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typedef u64 devlink_resource_occ_get_t(void *priv);
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/**
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* struct devlink_resource - devlink resource
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* @name: name of the resource
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* @id: id, per devlink instance
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* @size: size of the resource
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* @size_new: updated size of the resource, reload is needed
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* @size_valid: valid in case the total size of the resource is valid
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* including its children
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* @parent: parent resource
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* @size_params: size parameters
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* @list: parent list
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* @resource_list: list of child resources
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*/
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struct devlink_resource {
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const char *name;
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u64 id;
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u64 size;
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u64 size_new;
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bool size_valid;
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struct devlink_resource *parent;
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struct devlink_resource_size_params size_params;
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struct list_head list;
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struct list_head resource_list;
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devlink_resource_occ_get_t *occ_get;
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void *occ_get_priv;
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};
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#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
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#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
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enum devlink_param_type {
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DEVLINK_PARAM_TYPE_U8,
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DEVLINK_PARAM_TYPE_U16,
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DEVLINK_PARAM_TYPE_U32,
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DEVLINK_PARAM_TYPE_STRING,
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DEVLINK_PARAM_TYPE_BOOL,
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};
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union devlink_param_value {
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u8 vu8;
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u16 vu16;
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u32 vu32;
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char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
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bool vbool;
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};
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struct devlink_param_gset_ctx {
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union devlink_param_value val;
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enum devlink_param_cmode cmode;
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};
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/**
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* struct devlink_param - devlink configuration parameter data
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* @name: name of the parameter
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* @generic: indicates if the parameter is generic or driver specific
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* @type: parameter type
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* @supported_cmodes: bitmap of supported configuration modes
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* @get: get parameter value, used for runtime and permanent
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* configuration modes
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* @set: set parameter value, used for runtime and permanent
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* configuration modes
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* @validate: validate input value is applicable (within value range, etc.)
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*
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* This struct should be used by the driver to fill the data for
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* a parameter it registers.
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*/
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struct devlink_param {
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u32 id;
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const char *name;
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bool generic;
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enum devlink_param_type type;
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unsigned long supported_cmodes;
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int (*get)(struct devlink *devlink, u32 id,
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struct devlink_param_gset_ctx *ctx);
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int (*set)(struct devlink *devlink, u32 id,
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struct devlink_param_gset_ctx *ctx);
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int (*validate)(struct devlink *devlink, u32 id,
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union devlink_param_value val,
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struct netlink_ext_ack *extack);
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};
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struct devlink_param_item {
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struct list_head list;
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const struct devlink_param *param;
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union devlink_param_value driverinit_value;
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bool driverinit_value_valid;
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bool published;
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};
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enum devlink_param_generic_id {
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DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
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DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
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DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
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DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
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DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
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DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
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DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
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DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
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DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
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/* add new param generic ids above here*/
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__DEVLINK_PARAM_GENERIC_ID_MAX,
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DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
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};
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#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
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#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
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#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
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#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
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#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
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#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
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#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
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#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
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#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
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#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
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#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
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#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
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#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
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#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
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#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
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#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
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#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
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"reset_dev_on_drv_probe"
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#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
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#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
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{ \
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.id = DEVLINK_PARAM_GENERIC_ID_##_id, \
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.name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
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.type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
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.generic = true, \
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.supported_cmodes = _cmodes, \
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.get = _get, \
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.set = _set, \
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.validate = _validate, \
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}
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#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
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{ \
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.id = _id, \
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.name = _name, \
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.type = _type, \
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.supported_cmodes = _cmodes, \
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.get = _get, \
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.set = _set, \
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.validate = _validate, \
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}
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/* Part number, identifier of board design */
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#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
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/* Revision of board design */
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#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
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/* Maker of the board */
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#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
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/* Part number, identifier of asic design */
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#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
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/* Revision of asic design */
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#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
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/* Overall FW version */
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#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
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/* Control processor FW version */
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#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
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/* Data path microcode controlling high-speed packet processing */
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#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
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/* UNDI software version */
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#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
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/* NCSI support/handler version */
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#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
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struct devlink_region;
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struct devlink_info_req;
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typedef void devlink_snapshot_data_dest_t(const void *data);
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struct devlink_fmsg;
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struct devlink_health_reporter;
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enum devlink_health_reporter_state {
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DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
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DEVLINK_HEALTH_REPORTER_STATE_ERROR,
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};
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/**
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* struct devlink_health_reporter_ops - Reporter operations
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* @name: reporter name
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* @recover: callback to recover from reported error
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* 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);
|
|
int (*dump)(struct devlink_health_reporter *reporter,
|
|
struct devlink_fmsg *fmsg, void *priv_ctx);
|
|
int (*diagnose)(struct devlink_health_reporter *reporter,
|
|
struct devlink_fmsg *fmsg);
|
|
};
|
|
|
|
/**
|
|
* 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,
|
|
|
|
/* 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_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,
|
|
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 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_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, u16 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_ */
|