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/*
* Copyright (c) 2019 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 IPF_H
#define IPF_H 1
#include "dp-packet.h"
#include "openvswitch/types.h"
struct ipf;
struct ipf_proto_status {
uint64_t nfrag_accepted;
uint64_t nfrag_completed_sent;
uint64_t nfrag_expired_sent;
uint64_t nfrag_too_small;
uint64_t nfrag_overlap;
uint64_t nfrag_purged;
unsigned int min_frag_size;
bool enabled;
};
struct ipf_status {
struct ipf_proto_status v4;
struct ipf_proto_status v6;
unsigned int nfrag;
unsigned int nfrag_max;
};
struct ipf *ipf_init(void);
void ipf_destroy(struct ipf *ipf);
void ipf_preprocess_conntrack(struct ipf *ipf, struct dp_packet_batch *pb,
long long now, ovs_be16 dl_type, uint16_t zone,
uint32_t hash_basis);
void ipf_postprocess_conntrack(struct ipf *ipf, struct dp_packet_batch *pb,
long long now, ovs_be16 dl_type);
int ipf_set_enabled(struct ipf *ipf, bool v6, bool enable);
int ipf_set_min_frag(struct ipf *ipf, bool v6, uint32_t value);
int ipf_set_max_nfrags(struct ipf *ipf, uint32_t value);
int ipf_get_status(struct ipf *ipf, struct ipf_status *ipf_status);
struct ipf_dump_ctx;
int ipf_dump_start(struct ipf_dump_ctx **ipf_dump_ctx);
int ipf_dump_next(struct ipf *ipf, struct ipf_dump_ctx *ipf_dump_ctx,
char **dump);
int ipf_dump_done(struct ipf_dump_ctx *ipf_dump_ctx);
#endif /* ipf.h */
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