src/libsystemd/sd-netlink/netlink-types.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2014 Tom Gundersen <teg@jklm.no>
   8 ***/
   9
  10 #include "macro.h"
  11
  12 enum {
  13         NETLINK_TYPE_UNSPEC,
  14         NETLINK_TYPE_U8,                        /* NLA_U8 */
  15         NETLINK_TYPE_U16,                       /* NLA_U16 */
  16         NETLINK_TYPE_U32,                       /* NLA_U32 */
  17         NETLINK_TYPE_U64,                       /* NLA_U64 */
  18         NETLINK_TYPE_STRING,                    /* NLA_STRING */
  19         NETLINK_TYPE_FLAG,                      /* NLA_FLAG */
  20         NETLINK_TYPE_IN_ADDR,
  21         NETLINK_TYPE_ETHER_ADDR,
  22         NETLINK_TYPE_CACHE_INFO,
  23         NETLINK_TYPE_NESTED,                    /* NLA_NESTED */
  24         NETLINK_TYPE_UNION,
  25 };
  26
  27 typedef enum NLMatchType {
  28         NL_MATCH_SIBLING,
  29         NL_MATCH_PROTOCOL,
  30 } NLMatchType;
  31
  32 typedef struct NLTypeSystemUnion NLTypeSystemUnion;
  33 typedef struct NLTypeSystem NLTypeSystem;
  34 typedef struct NLType NLType;
  35
  36 struct NLTypeSystemUnion {
  37         int num;
  38         NLMatchType match_type;
  39         uint16_t match;
  40         int (*lookup)(const char *);
  41         const NLTypeSystem *type_systems;
  42 };
  43
  44 extern const NLTypeSystem rtnl_type_system_root;
  45 extern const NLTypeSystem genl_type_system_root;
  46 extern const NLTypeSystem genl_family_type_system_root;
  47
  48 uint16_t type_get_type(const NLType *type);
  49 size_t type_get_size(const NLType *type);
  50 void type_get_type_system(const NLType *type, const NLTypeSystem **ret);
  51 void type_get_type_system_union(const NLType *type, const NLTypeSystemUnion **ret);
  52
  53 const NLTypeSystem* type_system_get_root(int protocol);
  54 uint16_t type_system_get_count(const NLTypeSystem *type_system);
  55 int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type);
  56 int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type);
  57 int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type);
  58 int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key);
  59 int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol);
  60
  61 typedef enum NLUnionLinkInfoData {
  62         NL_UNION_LINK_INFO_DATA_BOND,
  63         NL_UNION_LINK_INFO_DATA_BRIDGE,
  64         NL_UNION_LINK_INFO_DATA_VLAN,
  65         NL_UNION_LINK_INFO_DATA_VETH,
  66         NL_UNION_LINK_INFO_DATA_DUMMY,
  67         NL_UNION_LINK_INFO_DATA_MACVLAN,
  68         NL_UNION_LINK_INFO_DATA_MACVTAP,
  69         NL_UNION_LINK_INFO_DATA_IPVLAN,
  70         NL_UNION_LINK_INFO_DATA_VXLAN,
  71         NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL,
  72         NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL,
  73         NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL,
  74         NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL,
  75         NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL,
  76         NL_UNION_LINK_INFO_DATA_SIT_TUNNEL,
  77         NL_UNION_LINK_INFO_DATA_VTI_TUNNEL,
  78         NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL,
  79         NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL,
  80         NL_UNION_LINK_INFO_DATA_VRF,
  81         NL_UNION_LINK_INFO_DATA_VCAN,
  82         NL_UNION_LINK_INFO_DATA_GENEVE,
  83         NL_UNION_LINK_INFO_DATA_VXCAN,
  84         NL_UNION_LINK_INFO_DATA_WIREGUARD,
  85         _NL_UNION_LINK_INFO_DATA_MAX,
  86         _NL_UNION_LINK_INFO_DATA_INVALID = -1
  87 } NLUnionLinkInfoData;
  88
  89 const char *nl_union_link_info_data_to_string(NLUnionLinkInfoData p) _const_;
  90 NLUnionLinkInfoData nl_union_link_info_data_from_string(const char *p) _pure_;