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1 | /* |
2 | * Copyright (c) 2019 Nicira, Inc. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #ifndef IPF_H | |
18 | #define IPF_H 1 | |
19 | ||
20 | #include "dp-packet.h" | |
21 | #include "openvswitch/types.h" | |
22 | ||
23 | struct ipf; | |
24 | ||
25 | struct ipf_proto_status { | |
26 | uint64_t nfrag_accepted; | |
27 | uint64_t nfrag_completed_sent; | |
28 | uint64_t nfrag_expired_sent; | |
29 | uint64_t nfrag_too_small; | |
30 | uint64_t nfrag_overlap; | |
31 | uint64_t nfrag_purged; | |
32 | unsigned int min_frag_size; | |
33 | bool enabled; | |
34 | }; | |
35 | ||
36 | struct ipf_status { | |
37 | struct ipf_proto_status v4; | |
38 | struct ipf_proto_status v6; | |
39 | unsigned int nfrag; | |
40 | unsigned int nfrag_max; | |
41 | }; | |
42 | ||
43 | struct ipf *ipf_init(void); | |
44 | void ipf_destroy(struct ipf *ipf); | |
45 | void ipf_preprocess_conntrack(struct ipf *ipf, struct dp_packet_batch *pb, | |
46 | long long now, ovs_be16 dl_type, uint16_t zone, | |
47 | uint32_t hash_basis); | |
48 | ||
49 | void ipf_postprocess_conntrack(struct ipf *ipf, struct dp_packet_batch *pb, | |
50 | long long now, ovs_be16 dl_type); | |
51 | ||
52 | int ipf_set_enabled(struct ipf *ipf, bool v6, bool enable); | |
53 | int ipf_set_min_frag(struct ipf *ipf, bool v6, uint32_t value); | |
54 | int ipf_set_max_nfrags(struct ipf *ipf, uint32_t value); | |
55 | int ipf_get_status(struct ipf *ipf, struct ipf_status *ipf_status); | |
56 | ||
57 | struct ipf_dump_ctx; | |
58 | int ipf_dump_start(struct ipf_dump_ctx **ipf_dump_ctx); | |
59 | int ipf_dump_next(struct ipf *ipf, struct ipf_dump_ctx *ipf_dump_ctx, | |
60 | char **dump); | |
61 | int ipf_dump_done(struct ipf_dump_ctx *ipf_dump_ctx); | |
62 | ||
63 | #endif /* ipf.h */ |