diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/filter.h | 61 | ||||
| -rw-r--r-- | include/net/net.h | 1 |
2 files changed, 62 insertions, 0 deletions
diff --git a/include/net/filter.h b/include/net/filter.h new file mode 100644 index 0000000000..be27dee118 --- /dev/null +++ b/include/net/filter.h @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2015 FUJITSU LIMITED + * Author: Yang Hongyang <yanghy@cn.fujitsu.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * later. See the COPYING file in the top-level directory. + */ + +#ifndef QEMU_NET_FILTER_H +#define QEMU_NET_FILTER_H + +#include "qom/object.h" +#include "qemu-common.h" +#include "qemu/typedefs.h" +#include "net/queue.h" + +#define TYPE_NETFILTER "netfilter" +#define NETFILTER(obj) \ + OBJECT_CHECK(NetFilterState, (obj), TYPE_NETFILTER) +#define NETFILTER_GET_CLASS(obj) \ + OBJECT_GET_CLASS(NetFilterClass, (obj), TYPE_NETFILTER) +#define NETFILTER_CLASS(klass) \ + OBJECT_CLASS_CHECK(NetFilterClass, (klass), TYPE_NETFILTER) + +typedef void (FilterSetup) (NetFilterState *nf, Error **errp); +typedef void (FilterCleanup) (NetFilterState *nf); +/* + * Return: + * 0: finished handling the packet, we should continue + * size: filter stolen this packet, we stop pass this packet further + */ +typedef ssize_t (FilterReceiveIOV)(NetFilterState *nc, + NetClientState *sender, + unsigned flags, + const struct iovec *iov, + int iovcnt, + NetPacketSent *sent_cb); + +typedef struct NetFilterClass { + ObjectClass parent_class; + + /* optional */ + FilterSetup *setup; + FilterCleanup *cleanup; + /* mandatory */ + FilterReceiveIOV *receive_iov; +} NetFilterClass; + + +struct NetFilterState { + /* private */ + Object parent; + + /* protected */ + char *netdev_id; + NetClientState *netdev; + NetFilterDirection direction; + QTAILQ_ENTRY(NetFilterState) next; +}; + +#endif /* QEMU_NET_FILTER_H */ diff --git a/include/net/net.h b/include/net/net.h index 6a6cbef24a..36e5fabca5 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -92,6 +92,7 @@ struct NetClientState { NetClientDestructor *destructor; unsigned int queue_index; unsigned rxfilter_notify_enabled:1; + QTAILQ_HEAD(, NetFilterState) filters; }; typedef struct NICState { |