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

/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/

#pragma once

/***
  This file is part of systemd.

  Copyright 2014 Tom Gundersen <teg@jklm.no>

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

enum {
        NLA_UNSPEC,
        NLA_META,
        NLA_U8,
        NLA_U16,
        NLA_U32,
        NLA_U64,
        NLA_STRING,
        NLA_IN_ADDR,
        NLA_ETHER_ADDR,
        NLA_CACHE_INFO,
        NLA_NESTED,
        NLA_UNION,
};

typedef struct NLTypeSystemUnion NLTypeSystemUnion;
typedef struct NLTypeSystem NLTypeSystem;
typedef struct NLType NLType;

struct NLTypeSystemUnion {
        int num;
        uint16_t match;
        int (*lookup)(const char *);
        const NLTypeSystem *type_systems;
};

struct NLTypeSystem {
        uint16_t max;
        const NLType *types;
};

struct NLType {
        uint16_t type;
        size_t size;
        const NLTypeSystem *type_system;
        const NLTypeSystemUnion *type_system_union;
};

int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type);
int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type);
int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type);
int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key);