1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/* Copyright (c) 2013, 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 OFPROTO_DPIF_MIRROR_H
#define OFPROTO_DPIF_MIRROR_H 1
#include <stdint.h>
#include "util.h"
#define MAX_MIRRORS 32
typedef uint32_t mirror_mask_t;
struct ofproto_mirror_settings;
struct ofbundle;
struct ofproto;
struct mirror_bundles {
struct ofbundle **srcs;
size_t n_srcs;
struct ofbundle **dsts;
size_t n_dsts;
struct ofbundle *out_bundle;
};
struct mirror_config {
/* A bitmap of mirrors that duplicate the current mirror. */
mirror_mask_t dup_mirrors;
/* VLANs of packets to select for mirroring. */
unsigned long *vlans; /* vlan_bitmap, NULL selects all VLANs. */
/* Miniflow and minimask if a filter is configured, else both are NULL. */
struct miniflow *filter_flow;
struct minimask *filter_mask;
/* Output (mutually exclusive). */
struct ofbundle *out_bundle; /* A registered ofbundle handle or NULL. */
uint16_t out_vlan; /* Output VLAN, not used if out_bundle is
set. */
/* Max size of a mirrored packet in bytes, if set to zero then no
* truncation will occur. */
uint16_t snaplen;
};
/* The following functions are used by handler threads without any locking,
* assuming RCU protection. */
struct mbridge *mbridge_ref(const struct mbridge *);
void mbridge_unref(struct mbridge *);
bool mbridge_has_mirrors(struct mbridge *);
mirror_mask_t mirror_bundle_out(struct mbridge *, struct ofbundle *);
mirror_mask_t mirror_bundle_src(struct mbridge *, struct ofbundle *);
mirror_mask_t mirror_bundle_dst(struct mbridge *, struct ofbundle *);
void mirror_update_stats(struct mbridge*, mirror_mask_t, uint64_t packets,
uint64_t bytes);
bool mirror_get(struct mbridge *, int index, struct mirror_config *);
/* The remaining functions are assumed to be called by the main thread only. */
struct mbridge *mbridge_create(void);
bool mbridge_need_revalidate(struct mbridge *);
void mbridge_register_bundle(struct mbridge *, struct ofbundle *);
void mbridge_unregister_bundle(struct mbridge *, struct ofbundle *);
int mirror_set(struct mbridge *, const struct ofproto *, void *aux,
const struct ofproto_mirror_settings *,
const struct mirror_bundles *);
void mirror_destroy(struct mbridge *, void *aux);
int mirror_get_stats(struct mbridge *, void *aux, uint64_t *packets,
uint64_t *bytes);
#endif /* ofproto-dpif-mirror.h */
|
