mirror of
https://github.com/openvswitch/ovs
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72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/*
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* Copyright (c) 2015 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef OPENVSWITCH_GENEVE_H
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#define OPENVSWITCH_GENEVE_H 1
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#include "openvswitch/types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define TLV_MAX_OPT_SIZE 124
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#define TLV_TOT_OPT_SIZE 252
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#define GENEVE_CRIT_OPT_TYPE (1 << 7)
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struct geneve_opt {
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ovs_be16 opt_class;
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uint8_t type;
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#ifdef WORDS_BIGENDIAN
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uint8_t r1:1;
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uint8_t r2:1;
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uint8_t r3:1;
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uint8_t length:5;
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#else
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uint8_t length:5;
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uint8_t r3:1;
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uint8_t r2:1;
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uint8_t r1:1;
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#endif
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/* Option data */
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};
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struct genevehdr {
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#ifdef WORDS_BIGENDIAN
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uint8_t ver:2;
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uint8_t opt_len:6;
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uint8_t oam:1;
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uint8_t critical:1;
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uint8_t rsvd1:6;
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#else
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uint8_t opt_len:6;
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uint8_t ver:2;
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uint8_t rsvd1:6;
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uint8_t critical:1;
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uint8_t oam:1;
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#endif
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ovs_be16 proto_type;
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ovs_16aligned_be32 vni;
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struct geneve_opt options[];
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* geneve.h */
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