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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 OPENVSWITCH_GENEVE_H
#define OPENVSWITCH_GENEVE_H 1
#include "openvswitch/types.h"
#ifdef __cplusplus
extern "C" {
#endif
#define TLV_MAX_OPT_SIZE 124
#define TLV_TOT_OPT_SIZE 252
#define GENEVE_CRIT_OPT_TYPE (1 << 7)
struct geneve_opt {
ovs_be16 opt_class;
uint8_t type;
#ifdef WORDS_BIGENDIAN
uint8_t r1:1;
uint8_t r2:1;
uint8_t r3:1;
uint8_t length:5;
#else
uint8_t length:5;
uint8_t r3:1;
uint8_t r2:1;
uint8_t r1:1;
#endif
/* Option data */
};
struct genevehdr {
#ifdef WORDS_BIGENDIAN
uint8_t ver:2;
uint8_t opt_len:6;
uint8_t oam:1;
uint8_t critical:1;
uint8_t rsvd1:6;
#else
uint8_t opt_len:6;
uint8_t ver:2;
uint8_t rsvd1:6;
uint8_t critical:1;
uint8_t oam:1;
#endif
ovs_be16 proto_type;
ovs_16aligned_be32 vni;
struct geneve_opt options[];
};
#ifdef __cplusplus
}
#endif
#endif /* geneve.h */
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