xemu/include/net/filter.h
Eduardo Habkost a489d1951c Use OBJECT_DECLARE_TYPE when possible
This converts existing DECLARE_OBJ_CHECKERS usage to
OBJECT_DECLARE_TYPE when possible.

 $ ./scripts/codeconverter/converter.py -i \
   --pattern=AddObjectDeclareType $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20200916182519.415636-5-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 14:12:32 -04:00

83 lines
2.5 KiB
C

/*
* 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 "qapi/qapi-types-net.h"
#include "qemu/queue.h"
#include "qom/object.h"
#include "net/queue.h"
#define TYPE_NETFILTER "netfilter"
OBJECT_DECLARE_TYPE(NetFilterState, NetFilterClass, 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 void (FilterStatusChanged) (NetFilterState *nf, Error **errp);
typedef void (FilterHandleEvent) (NetFilterState *nf, int event, Error **errp);
struct NetFilterClass {
ObjectClass parent_class;
/* optional */
FilterSetup *setup;
FilterCleanup *cleanup;
FilterStatusChanged *status_changed;
FilterHandleEvent *handle_event;
/* mandatory */
FilterReceiveIOV *receive_iov;
};
struct NetFilterState {
/* private */
Object parent;
/* protected */
char *netdev_id;
NetClientState *netdev;
NetFilterDirection direction;
bool on;
char *position;
bool insert_before_flag;
QTAILQ_ENTRY(NetFilterState) next;
};
ssize_t qemu_netfilter_receive(NetFilterState *nf,
NetFilterDirection direction,
NetClientState *sender,
unsigned flags,
const struct iovec *iov,
int iovcnt,
NetPacketSent *sent_cb);
/* pass the packet to the next filter */
ssize_t qemu_netfilter_pass_to_next(NetClientState *sender,
unsigned flags,
const struct iovec *iov,
int iovcnt,
void *opaque);
void colo_notify_filters_event(int event, Error **errp);
#endif /* QEMU_NET_FILTER_H */