projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| fdccce45 YH |
1 | /* |
| 2 | * Copyright (c) 2015 FUJITSU LIMITED | |
| 3 | * Author: Yang Hongyang <yanghy@cn.fujitsu.com> | |
| 4 | * | |
| 5 | * This work is licensed under the terms of the GNU GPL, version 2 or | |
| 6 | * later. See the COPYING file in the top-level directory. | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef QEMU_NET_FILTER_H | |
| 10 | #define QEMU_NET_FILTER_H | |
| 11 | ||
| 9af23989 | 12 | #include "qapi/qapi-types-net.h" |
| dc5e9ac7 | 13 | #include "qemu/queue.h" |
| fdccce45 | 14 | #include "qom/object.h" |
| fdccce45 YH |
15 | #include "net/queue.h" |
| 16 | ||
| 17 | #define TYPE_NETFILTER "netfilter" | |
| a489d195 | 18 | OBJECT_DECLARE_TYPE(NetFilterState, NetFilterClass, NETFILTER) |
| fdccce45 YH |
19 | |
| 20 | typedef void (FilterSetup) (NetFilterState *nf, Error **errp); | |
| 21 | typedef void (FilterCleanup) (NetFilterState *nf); | |
| 22 | /* | |
| 23 | * Return: | |
| 24 | * 0: finished handling the packet, we should continue | |
| 25 | * size: filter stolen this packet, we stop pass this packet further | |
| 26 | */ | |
| 27 | typedef ssize_t (FilterReceiveIOV)(NetFilterState *nc, | |
| 28 | NetClientState *sender, | |
| 29 | unsigned flags, | |
| 30 | const struct iovec *iov, | |
| 31 | int iovcnt, | |
| 32 | NetPacketSent *sent_cb); | |
| 33 | ||
| 338d3f41 HZ |
34 | typedef void (FilterStatusChanged) (NetFilterState *nf, Error **errp); |
| 35 | ||
| 5fbba3d6 ZC |
36 | typedef void (FilterHandleEvent) (NetFilterState *nf, int event, Error **errp); |
| 37 | ||
| db1015e9 | 38 | struct NetFilterClass { |
| fdccce45 YH |
39 | ObjectClass parent_class; |
| 40 | ||
| 41 | /* optional */ | |
| 42 | FilterSetup *setup; | |
| 43 | FilterCleanup *cleanup; | |
| 338d3f41 | 44 | FilterStatusChanged *status_changed; |
| 5fbba3d6 | 45 | FilterHandleEvent *handle_event; |
| fdccce45 YH |
46 | /* mandatory */ |
| 47 | FilterReceiveIOV *receive_iov; | |
| db1015e9 | 48 | }; |
| fdccce45 YH |
49 | |
| 50 | ||
| 51 | struct NetFilterState { | |
| 52 | /* private */ | |
| 53 | Object parent; | |
| 54 | ||
| 55 | /* protected */ | |
| 56 | char *netdev_id; | |
| 57 | NetClientState *netdev; | |
| 58 | NetFilterDirection direction; | |
| 338d3f41 | 59 | bool on; |
| 19731365 LS |
60 | char *position; |
| 61 | bool insert_before_flag; | |
| fdccce45 YH |
62 | QTAILQ_ENTRY(NetFilterState) next; |
| 63 | }; | |
| 64 | ||
| e64c770d YH |
65 | ssize_t qemu_netfilter_receive(NetFilterState *nf, |
| 66 | NetFilterDirection direction, | |
| 67 | NetClientState *sender, | |
| 68 | unsigned flags, | |
| 69 | const struct iovec *iov, | |
| 70 | int iovcnt, | |
| 71 | NetPacketSent *sent_cb); | |
| 72 | ||
| 7ef7bc85 YH |
73 | /* pass the packet to the next filter */ |
| 74 | ssize_t qemu_netfilter_pass_to_next(NetClientState *sender, | |
| 75 | unsigned flags, | |
| 76 | const struct iovec *iov, | |
| 77 | int iovcnt, | |
| 78 | void *opaque); | |
| 79 | ||
| 5fbba3d6 ZC |
80 | void colo_notify_filters_event(int event, Error **errp); |
| 81 | ||
| fdccce45 | 82 | #endif /* QEMU_NET_FILTER_H */ |