/* * 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> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #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 <net/net_namespace.h> #include <uapi/linux/devlink.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 devlink_dpipe_headers *dpipe_headers; const struct devlink_ops *ops; struct device *dev; possible_net_t _net; char priv[0] __aligned(NETDEV_ALIGN); }; struct devlink_port { struct list_head list; struct devlink *devlink; unsigned index; bool registered; enum devlink_port_type type; enum devlink_port_type desired_type; void *type_dev; bool split; u32 split_group; }; struct devlink_sb_pool_info { enum devlink_sb_pool_type pool_type; u32 size; enum devlink_sb_threshold_type threshold_type; }; /** * 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 * @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; 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_ops { 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); int (*port_unsplit)(struct devlink *devlink, unsigned int port_index); 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); 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); 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); 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); int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode); int (*eswitch_encap_mode_get)(struct devlink *devlink, u8 *p_encap_mode); int (*eswitch_encap_mode_set)(struct devlink *devlink, u8 encap_mode); }; 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); } struct ib_device; #if IS_ENABLED(CONFIG_NET_DEVLINK) 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_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_split_set(struct devlink_port *devlink_port, u32 split_group); 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; #else static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size) { return kzalloc(sizeof(struct devlink) + priv_size, GFP_KERNEL); } static inline int devlink_register(struct devlink *devlink, struct device *dev) { return 0; } static inline void devlink_unregister(struct devlink *devlink) { } static inline void devlink_free(struct devlink *devlink) { kfree(devlink); } static inline int devlink_port_register(struct devlink *devlink, struct devlink_port *devlink_port, unsigned int port_index) { return 0; } static inline void devlink_port_unregister(struct devlink_port *devlink_port) { } static inline void devlink_port_type_eth_set(struct devlink_port *devlink_port, struct net_device *netdev) { } static inline void devlink_port_type_ib_set(struct devlink_port *devlink_port, struct ib_device *ibdev) { } static inline void devlink_port_type_clear(struct devlink_port *devlink_port) { } static inline void devlink_port_split_set(struct devlink_port *devlink_port, u32 split_group) { } static inline 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) { return 0; } static inline void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index) { } static inline 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) { return 0; } static inline void devlink_dpipe_table_unregister(struct devlink *devlink, const char *table_name) { } static inline int devlink_dpipe_headers_register(struct devlink *devlink, struct devlink_dpipe_headers * dpipe_headers) { return 0; } static inline void devlink_dpipe_headers_unregister(struct devlink *devlink) { } static inline bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, const char *table_name) { return false; } static inline int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx) { return 0; } static inline int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, struct devlink_dpipe_entry *entry) { return 0; } static inline int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx) { return 0; } static inline void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry) { } static inline int devlink_dpipe_action_put(struct sk_buff *skb, struct devlink_dpipe_action *action) { return 0; } static inline int devlink_dpipe_match_put(struct sk_buff *skb, struct devlink_dpipe_match *match) { return 0; } #endif #endif /* _NET_DEVLINK_H_ */
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bluetooth | Folder | 0755 |
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caif | Folder | 0755 |
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ipconfig.h | File | 811 B | 0644 |
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ipx.h | File | 4.4 KB | 0644 |
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iw_handler.h | File | 20.91 KB | 0644 |
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lapb.h | File | 4.75 KB | 0644 |
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lwtunnel.h | File | 5.84 KB | 0644 |
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mac80211.h | File | 230.36 KB | 0644 |
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mac802154.h | File | 15.27 KB | 0644 |
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mip6.h | File | 1.58 KB | 0644 |
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mld.h | File | 2.8 KB | 0644 |
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mpls.h | File | 932 B | 0644 |
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mpls_iptunnel.h | File | 827 B | 0644 |
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mrp.h | File | 3.03 KB | 0644 |
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ncsi.h | File | 1.92 KB | 0644 |
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ndisc.h | File | 13.77 KB | 0644 |
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neighbour.h | File | 15.06 KB | 0644 |
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net_namespace.h | File | 10.08 KB | 0644 |
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net_ratelimit.h | File | 220 B | 0644 |
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netevent.h | File | 910 B | 0644 |
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netlabel.h | File | 20.74 KB | 0644 |
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netlink.h | File | 40.39 KB | 0644 |
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netprio_cgroup.h | File | 1.24 KB | 0644 |
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netrom.h | File | 7.68 KB | 0644 |
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nexthop.h | File | 865 B | 0644 |
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nl802154.h | File | 12.09 KB | 0644 |
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nsh.h | File | 12.31 KB | 0644 |
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p8022.h | File | 447 B | 0644 |
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ping.h | File | 3.45 KB | 0644 |
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pkt_cls.h | File | 17.34 KB | 0644 |
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pkt_sched.h | File | 4.05 KB | 0644 |
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pptp.h | File | 557 B | 0644 |
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protocol.h | File | 4.08 KB | 0644 |
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psample.h | File | 860 B | 0644 |
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psnap.h | File | 351 B | 0644 |
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raw.h | File | 2.07 KB | 0644 |
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rawv6.h | File | 854 B | 0644 |
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red.h | File | 10.45 KB | 0644 |
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regulatory.h | File | 10.12 KB | 0644 |
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request_sock.h | File | 6.46 KB | 0644 |
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rose.h | File | 7.62 KB | 0644 |
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route.h | File | 10.02 KB | 0644 |
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rtnetlink.h | File | 6.13 KB | 0644 |
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sch_generic.h | File | 23.3 KB | 0644 |
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scm.h | File | 3.5 KB | 0644 |
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secure_seq.h | File | 855 B | 0644 |
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seg6.h | File | 1.66 KB | 0644 |
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seg6_hmac.h | File | 1.65 KB | 0644 |
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snmp.h | File | 5.23 KB | 0644 |
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sock.h | File | 69.75 KB | 0644 |
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sock_reuseport.h | File | 863 B | 0644 |
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stp.h | File | 383 B | 0644 |
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strparser.h | File | 3.75 KB | 0644 |
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switchdev.h | File | 6.52 KB | 0644 |
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tcp.h | File | 62.8 KB | 0644 |
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tcp_states.h | File | 1.26 KB | 0644 |
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timewait_sock.h | File | 1.11 KB | 0644 |
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tipc.h | File | 2.34 KB | 0644 |
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tls.h | File | 7.12 KB | 0644 |
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transp_v6.h | File | 2.08 KB | 0644 |
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tso.h | File | 515 B | 0644 |
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tun_proto.h | File | 988 B | 0644 |
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udp.h | File | 12.82 KB | 0644 |
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udp_tunnel.h | File | 5.12 KB | 0644 |
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udplite.h | File | 3.83 KB | 0644 |
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vsock_addr.h | File | 1.05 KB | 0644 |
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vxlan.h | File | 10.43 KB | 0644 |
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wext.h | File | 1.51 KB | 0644 |
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wimax.h | File | 19.97 KB | 0644 |
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x25.h | File | 9.43 KB | 0644 |
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x25device.h | File | 387 B | 0644 |
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xfrm.h | File | 53.72 KB | 0644 |
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