2 * Copyright (c) 2015 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef TUN_METADATA_H
18 #define TUN_METADATA_H 1
22 #include "openvswitch/dynamic-string.h"
24 #include "openvswitch/ofpbuf.h"
25 #include "openflow/openflow.h"
26 #include "openvswitch/tun-metadata.h"
32 struct ofputil_tlv_table_mod;
33 struct ofputil_tlv_table_reply;
36 void tun_metadata_init(void);
38 enum ofperr tun_metadata_table_mod(struct ofputil_tlv_table_mod *);
39 void tun_metadata_table_request(struct ofputil_tlv_table_reply *);
41 void tun_metadata_read(const struct flow_tnl *,
42 const struct mf_field *, union mf_value *);
43 void tun_metadata_write(struct flow_tnl *,
44 const struct mf_field *, const union mf_value *);
45 void tun_metadata_set_match(const struct mf_field *,
46 const union mf_value *value,
47 const union mf_value *mask, struct match *,
49 void tun_metadata_get_fmd(const struct flow_tnl *, struct match *flow_metadata);
51 int tun_metadata_from_geneve_nlattr(const struct nlattr *attr,
52 const struct nlattr *flow_attrs,
54 const struct flow_tnl *flow_tun,
55 bool udpif, struct flow_tnl *tun);
56 void tun_metadata_to_geneve_nlattr(const struct flow_tnl *tun,
57 const struct flow_tnl *flow,
58 const struct ofpbuf *key,
61 int tun_metadata_from_geneve_udpif(const struct flow_tnl *flow,
62 const struct flow_tnl *src,
63 struct flow_tnl *dst);
64 void tun_metadata_to_geneve_udpif_mask(const struct flow_tnl *flow_src,
65 const struct flow_tnl *mask_src,
66 const struct geneve_opt *flow_src_opt,
67 int opts_len, struct geneve_opt *dst);
69 int tun_metadata_to_geneve_header(const struct flow_tnl *flow,
70 struct geneve_opt *, bool *crit_opt);
72 void tun_metadata_to_nx_match(struct ofpbuf *b, enum ofp_version oxm,
73 const struct match *);
74 void tun_metadata_match_format(struct ds *, const struct match *);
76 #endif /* tun-metadata.h */