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/*
* Copyright (c) 2008-2017 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_OFP_CONNECTION_H
#define OPENVSWITCH_OFP_CONNECTION_H 1
#include "openflow/openflow.h"
#include "openvswitch/ofp-protocol.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Abstract ofp_role_request and reply. */
struct ofputil_role_request {
enum ofp12_controller_role role;
bool have_generation_id;
uint64_t generation_id;
};
enum ofperr ofputil_decode_role_message(const struct ofp_header *,
struct ofputil_role_request *);
void ofputil_format_role_message(struct ds *,
const struct ofputil_role_request *);
struct ofpbuf *ofputil_encode_role_reply(const struct ofp_header *,
const struct ofputil_role_request *);
/* Abstract OFPT_ROLE_STATUS. */
struct ofputil_role_status {
enum ofp12_controller_role role;
enum ofp14_controller_role_reason reason;
uint64_t generation_id;
};
struct ofpbuf *ofputil_encode_role_status(const struct ofputil_role_status *,
enum ofputil_protocol);
enum ofperr ofputil_decode_role_status(const struct ofp_header *,
struct ofputil_role_status *);
void ofputil_format_role_status(struct ds *,
const struct ofputil_role_status *);
enum ofputil_async_msg_type {
/* Standard asynchronous messages. */
OAM_PACKET_IN, /* OFPT_PACKET_IN or NXT_PACKET_IN. */
OAM_PORT_STATUS, /* OFPT_PORT_STATUS. */
OAM_FLOW_REMOVED, /* OFPT_FLOW_REMOVED or NXT_FLOW_REMOVED. */
OAM_ROLE_STATUS, /* OFPT_ROLE_STATUS. */
OAM_TABLE_STATUS, /* OFPT_TABLE_STATUS. */
OAM_REQUESTFORWARD, /* OFPT_REQUESTFORWARD. */
/* Extension asynchronous messages (none yet--coming soon!). */
#define OAM_EXTENSIONS 0 /* Bitmap of all extensions. */
OAM_N_TYPES
};
const char *ofputil_async_msg_type_to_string(enum ofputil_async_msg_type);
struct ofputil_async_cfg {
uint32_t primary[OAM_N_TYPES];
uint32_t secondary[OAM_N_TYPES];
};
#define OFPUTIL_ASYNC_CFG_INIT (struct ofputil_async_cfg) { .primary[0] = 0 }
enum ofperr ofputil_decode_set_async_config(const struct ofp_header *,
bool loose,
const struct ofputil_async_cfg *,
struct ofputil_async_cfg *);
struct ofpbuf *ofputil_encode_get_async_reply(
const struct ofp_header *, const struct ofputil_async_cfg *);
struct ofpbuf *ofputil_encode_set_async_config(
const struct ofputil_async_cfg *, uint32_t oams, enum ofp_version);
void ofputil_format_set_async_config(struct ds *,
const struct ofputil_async_cfg *);
struct ofputil_async_cfg ofputil_async_cfg_default(enum ofp_version);
#ifdef __cplusplus
}
#endif
#endif /* ofp-connection.h */
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