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9#ifndef QEMU_NET_FILTER_H
10#define QEMU_NET_FILTER_H
11
12#include "qapi/qapi-types-net.h"
13#include "qemu/queue.h"
14#include "qom/object.h"
15#include "net/queue.h"
16
17#define TYPE_NETFILTER "netfilter"
18#define NETFILTER(obj) \
19 OBJECT_CHECK(NetFilterState, (obj), TYPE_NETFILTER)
20#define NETFILTER_GET_CLASS(obj) \
21 OBJECT_GET_CLASS(NetFilterClass, (obj), TYPE_NETFILTER)
22#define NETFILTER_CLASS(klass) \
23 OBJECT_CLASS_CHECK(NetFilterClass, (klass), TYPE_NETFILTER)
24
25typedef void (FilterSetup) (NetFilterState *nf, Error **errp);
26typedef void (FilterCleanup) (NetFilterState *nf);
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31
32typedef ssize_t (FilterReceiveIOV)(NetFilterState *nc,
33 NetClientState *sender,
34 unsigned flags,
35 const struct iovec *iov,
36 int iovcnt,
37 NetPacketSent *sent_cb);
38
39typedef void (FilterStatusChanged) (NetFilterState *nf, Error **errp);
40
41typedef void (FilterHandleEvent) (NetFilterState *nf, int event, Error **errp);
42
43typedef struct NetFilterClass {
44 ObjectClass parent_class;
45
46
47 FilterSetup *setup;
48 FilterCleanup *cleanup;
49 FilterStatusChanged *status_changed;
50 FilterHandleEvent *handle_event;
51
52 FilterReceiveIOV *receive_iov;
53} NetFilterClass;
54
55
56struct NetFilterState {
57
58 Object parent;
59
60
61 char *netdev_id;
62 NetClientState *netdev;
63 NetFilterDirection direction;
64 bool on;
65 char *position;
66 bool insert_before_flag;
67 QTAILQ_ENTRY(NetFilterState) next;
68};
69
70ssize_t qemu_netfilter_receive(NetFilterState *nf,
71 NetFilterDirection direction,
72 NetClientState *sender,
73 unsigned flags,
74 const struct iovec *iov,
75 int iovcnt,
76 NetPacketSent *sent_cb);
77
78
79ssize_t qemu_netfilter_pass_to_next(NetClientState *sender,
80 unsigned flags,
81 const struct iovec *iov,
82 int iovcnt,
83 void *opaque);
84
85void colo_notify_filters_event(int event, Error **errp);
86
87#endif
88