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

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include "macro.h"
   5
   6 enum {
   7         NETLINK_TYPE_UNSPEC,
   8         NETLINK_TYPE_U8,                        /* NLA_U8 */
   9         NETLINK_TYPE_U16,                       /* NLA_U16 */
  10         NETLINK_TYPE_U32,                       /* NLA_U32 */
  11         NETLINK_TYPE_U64,                       /* NLA_U64 */
  12         NETLINK_TYPE_STRING,                    /* NLA_STRING */
  13         NETLINK_TYPE_FLAG,                      /* NLA_FLAG */
  14         NETLINK_TYPE_IN_ADDR,
  15         NETLINK_TYPE_ETHER_ADDR,
  16         NETLINK_TYPE_CACHE_INFO,
  17         NETLINK_TYPE_NESTED,                    /* NLA_NESTED */
  18         NETLINK_TYPE_UNION,
  19 };
  20
  21 typedef enum NLMatchType {
  22         NL_MATCH_SIBLING,
  23         NL_MATCH_PROTOCOL,
  24 } NLMatchType;
  25
  26 typedef struct NLTypeSystemUnion NLTypeSystemUnion;
  27 typedef struct NLTypeSystem NLTypeSystem;
  28 typedef struct NLType NLType;
  29
  30 struct NLTypeSystemUnion {
  31         int num;
  32         NLMatchType match_type;
  33         uint16_t match;
  34         int (*lookup)(const char *);
  35         const NLTypeSystem *type_systems;
  36 };
  37
  38 extern const NLTypeSystem rtnl_type_system_root;
  39 extern const NLTypeSystem genl_type_system_root;
  40 extern const NLTypeSystem genl_family_type_system_root;
  41
  42 uint16_t type_get_type(const NLType *type);
  43 size_t type_get_size(const NLType *type);
  44 void type_get_type_system(const NLType *type, const NLTypeSystem **ret);
  45 void type_get_type_system_union(const NLType *type, const NLTypeSystemUnion **ret);
  46
  47 const NLTypeSystem* type_system_get_root(int protocol);
  48 uint16_t type_system_get_count(const NLTypeSystem *type_system);
  49 int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type);
  50 int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type);
  51 int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type);
  52 int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key);
  53 int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol);
  54
  55 typedef enum NLUnionLinkInfoData {
  56         NL_UNION_LINK_INFO_DATA_BOND,
  57         NL_UNION_LINK_INFO_DATA_BRIDGE,
  58         NL_UNION_LINK_INFO_DATA_VLAN,
  59         NL_UNION_LINK_INFO_DATA_VETH,
  60         NL_UNION_LINK_INFO_DATA_DUMMY,
  61         NL_UNION_LINK_INFO_DATA_MACVLAN,
  62         NL_UNION_LINK_INFO_DATA_MACVTAP,
  63         NL_UNION_LINK_INFO_DATA_IPVLAN,
  64         NL_UNION_LINK_INFO_DATA_VXLAN,
  65         NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL,
  66         NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL,
  67         NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL,
  68         NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL,
  69         NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL,
  70         NL_UNION_LINK_INFO_DATA_SIT_TUNNEL,
  71         NL_UNION_LINK_INFO_DATA_VTI_TUNNEL,
  72         NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL,
  73         NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL,
  74         NL_UNION_LINK_INFO_DATA_VRF,
  75         NL_UNION_LINK_INFO_DATA_VCAN,
  76         NL_UNION_LINK_INFO_DATA_GENEVE,
  77         NL_UNION_LINK_INFO_DATA_VXCAN,
  78         NL_UNION_LINK_INFO_DATA_WIREGUARD,
  79         NL_UNION_LINK_INFO_DATA_NETDEVSIM,
  80         NL_UNION_LINK_INFO_DATA_CAN,
  81         _NL_UNION_LINK_INFO_DATA_MAX,
  82         _NL_UNION_LINK_INFO_DATA_INVALID = -1
  83 } NLUnionLinkInfoData;
  84
  85 const char *nl_union_link_info_data_to_string(NLUnionLinkInfoData p) _const_;
  86 NLUnionLinkInfoData nl_union_link_info_data_from_string(const char *p) _pure_;