target/arm: Implement VFP fp16 for VABS, VNEG, VSQRT
[qemu.git] / net / filter-replay.c
1 /*
2 * filter-replay.c
3 *
4 * Copyright (c) 2010-2016 Institute for System Programming
5 * of the Russian Academy of Sciences.
6 *
7 * This work is licensed under the terms of the GNU GPL, version 2 or later.
8 * See the COPYING file in the top-level directory.
9 *
10 */
11
12 #include "qemu/osdep.h"
13 #include "clients.h"
14 #include "qemu/error-report.h"
15 #include "qemu/iov.h"
16 #include "qemu/log.h"
17 #include "qemu/module.h"
18 #include "qemu/timer.h"
19 #include "qapi/visitor.h"
20 #include "net/filter.h"
21 #include "sysemu/replay.h"
22
23 #define TYPE_FILTER_REPLAY "filter-replay"
24
25 #define FILTER_REPLAY(obj) \
26 OBJECT_CHECK(NetFilterReplayState, (obj), TYPE_FILTER_REPLAY)
27
28 struct NetFilterReplayState {
29 NetFilterState nfs;
30 ReplayNetState *rns;
31 };
32 typedef struct NetFilterReplayState NetFilterReplayState;
33
34 static ssize_t filter_replay_receive_iov(NetFilterState *nf,
35 NetClientState *sndr,
36 unsigned flags,
37 const struct iovec *iov,
38 int iovcnt, NetPacketSent *sent_cb)
39 {
40 NetFilterReplayState *nfrs = FILTER_REPLAY(nf);
41 switch (replay_mode) {
42 case REPLAY_MODE_RECORD:
43 if (nf->netdev == sndr) {
44 replay_net_packet_event(nfrs->rns, flags, iov, iovcnt);
45 return iov_size(iov, iovcnt);
46 }
47 return 0;
48 case REPLAY_MODE_PLAY:
49 /* Drop all packets in replay mode.
50 Packets from the log will be injected by the replay module. */
51 return iov_size(iov, iovcnt);
52 default:
53 /* Pass all the packets. */
54 return 0;
55 }
56 }
57
58 static void filter_replay_instance_init(Object *obj)
59 {
60 NetFilterReplayState *nfrs = FILTER_REPLAY(obj);
61 nfrs->rns = replay_register_net(&nfrs->nfs);
62 }
63
64 static void filter_replay_instance_finalize(Object *obj)
65 {
66 NetFilterReplayState *nfrs = FILTER_REPLAY(obj);
67 replay_unregister_net(nfrs->rns);
68 }
69
70 static void filter_replay_class_init(ObjectClass *oc, void *data)
71 {
72 NetFilterClass *nfc = NETFILTER_CLASS(oc);
73
74 nfc->receive_iov = filter_replay_receive_iov;
75 }
76
77 static const TypeInfo filter_replay_info = {
78 .name = TYPE_FILTER_REPLAY,
79 .parent = TYPE_NETFILTER,
80 .class_init = filter_replay_class_init,
81 .instance_init = filter_replay_instance_init,
82 .instance_finalize = filter_replay_instance_finalize,
83 .instance_size = sizeof(NetFilterReplayState),
84 };
85
86 static void filter_replay_register_types(void)
87 {
88 type_register_static(&filter_replay_info);
89 }
90
91 type_init(filter_replay_register_types);