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/*
* Copyright (c) 2015 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef TUN_METADATA_H
#define TUN_METADATA_H 1
#include <stdint.h>
#include "openvswitch/dynamic-string.h"
#include "netlink.h"
#include "openvswitch/ofpbuf.h"
#include "openflow/openflow.h"
#include "openvswitch/tun-metadata.h"
struct flow_tnl;
struct match;
struct mf_field;
union mf_value;
struct ofputil_tlv_table_mod;
struct ofputil_tlv_table_reply;
struct tun_table;
struct tun_table *tun_metadata_alloc(const struct tun_table *old_map);
void tun_metadata_free(struct tun_table *);
void tun_metadata_postpone_free(struct tun_table *);
enum ofperr tun_metadata_table_mod(struct ofputil_tlv_table_mod *,
const struct tun_table *old_tab,
struct tun_table **new_tab);
void tun_metadata_table_request(const struct tun_table *,
struct ofputil_tlv_table_reply *);
void tun_metadata_read(const struct flow_tnl *,
const struct mf_field *, union mf_value *);
void tun_metadata_write(struct flow_tnl *,
const struct mf_field *, const union mf_value *);
void tun_metadata_delete(struct flow_tnl *, const struct mf_field *);
void tun_metadata_set_match(const struct mf_field *,
const union mf_value *value,
const union mf_value *mask, struct match *,
char **err_str);
void tun_metadata_get_fmd(const struct flow_tnl *, struct match *flow_metadata);
void tun_metadata_from_geneve_nlattr(const struct nlattr *attr, bool is_mask,
struct flow_tnl *tun);
void tun_metadata_to_geneve_nlattr(const struct flow_tnl *tun,
const struct flow_tnl *flow,
const struct ofpbuf *key,
struct ofpbuf *);
int tun_metadata_from_geneve_udpif(const struct tun_table *,
const struct flow_tnl *flow,
const struct flow_tnl *src,
struct flow_tnl *dst);
void tun_metadata_to_geneve_udpif_mask(const struct flow_tnl *flow_src,
const struct flow_tnl *mask_src,
const struct geneve_opt *flow_src_opt,
int opts_len, struct geneve_opt *dst);
int tun_metadata_to_geneve_header(const struct flow_tnl *flow,
struct geneve_opt *, bool *crit_opt);
void tun_metadata_to_nx_match(struct ofpbuf *b, enum ofp_version oxm,
const struct match *);
void tun_metadata_match_format(struct ds *, const struct match *);
#endif /* tun-metadata.h */
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