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/*
* Copyright (c) 2013, 2014 Alexandru Copot <alex.mihai.c@gmail.com>, with support from IXIA.
* Copyright (c) 2013, 2014 Daniel Baluta <dbaluta@ixiacom.com>
* Copyright (c) 2014, 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 BUNDLES_H
#define BUNDLES_H 1
#include <sys/types.h>
#include "connmgr.h"
#include "ofp-msgs.h"
#include "ofp-util.h"
#include "ofproto-provider.h"
#include "util.h"
#ifdef __cplusplus
extern "C" {
#endif
struct ofp_bundle_entry {
struct ovs_list node;
enum ofptype type; /* OFPTYPE_FLOW_MOD or OFPTYPE_PORT_MOD. */
union {
struct ofproto_flow_mod ofm; /* ofm.fm.ofpacts must be malloced. */
struct ofproto_port_mod opm;
};
/* OpenFlow header and some of the message contents for error reporting. */
struct ofp_header ofp_msg[DIV_ROUND_UP(64, sizeof(struct ofp_header))];
};
enum bundle_state {
BS_OPEN,
BS_CLOSED
};
struct ofp_bundle {
struct hmap_node node; /* In struct ofconn's "bundles" hmap. */
uint32_t id;
uint16_t flags;
enum bundle_state state;
/* List of 'struct bundle_message's */
struct ovs_list msg_list;
};
static inline struct ofp_bundle_entry *ofp_bundle_entry_alloc(
enum ofptype type, const struct ofp_header *oh);
static inline void ofp_bundle_entry_free(struct ofp_bundle_entry *);
enum ofperr ofp_bundle_open(struct ofconn *, uint32_t id, uint16_t flags);
enum ofperr ofp_bundle_close(struct ofconn *, uint32_t id, uint16_t flags);
enum ofperr ofp_bundle_discard(struct ofconn *, uint32_t id);
enum ofperr ofp_bundle_add_message(struct ofconn *, uint32_t id,
uint16_t flags, struct ofp_bundle_entry *);
void ofp_bundle_remove__(struct ofconn *, struct ofp_bundle *, bool success);
static inline struct ofp_bundle_entry *
ofp_bundle_entry_alloc(enum ofptype type, const struct ofp_header *oh)
{
struct ofp_bundle_entry *entry = xmalloc(sizeof *entry);
entry->type = type;
/* Max 64 bytes for error reporting. */
memcpy(entry->ofp_msg, oh, MIN(ntohs(oh->length), sizeof entry->ofp_msg));
return entry;
}
static inline void
ofp_bundle_entry_free(struct ofp_bundle_entry *entry)
{
if (entry) {
if (entry->type == OFPTYPE_FLOW_MOD) {
free(entry->ofm.fm.ofpacts);
}
free(entry);
}
}
#ifdef __cplusplus
}
#endif
#endif
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