/*
* Copyright (c) 2003-2008 Fabrice Bellard
* Copyright (c) 2009 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef QEMU_NET_QUEUE_H
#define QEMU_NET_QUEUE_H
#include "qemu-common.h"
typedef struct NetPacket NetPacket;
typedef struct NetQueue NetQueue;
typedef void (NetPacketSent) (NetClientState *sender, ssize_t ret);
#define QEMU_NET_PACKET_FLAG_NONE 0
#define QEMU_NET_PACKET_FLAG_RAW (1<<0)
/* Returns:
* >0 - success
* 0 - queue packet for future redelivery
* <0 - failure (discard packet)
*/
typedef ssize_t (NetQueueDeliverFunc)(NetClientState *sender,
unsigned flags,
const struct iovec *iov,
int iovcnt,
void *opaque);
NetQueue *qemu_new_net_queue(NetQueueDeliverFunc *deliver, void *opaque);
void qemu_net_queue_append_iov(NetQueue *queue,
NetClientState *sender,
unsigned flags,
const struct iovec *iov,
int iovcnt,
NetPacketSent *sent_cb);
void qemu_del_net_queue(NetQueue *queue);
ssize_t qemu_net_queue_send(NetQueue *queue,
NetClientState *sender,
unsigned flags,
const uint8_t *data,
size_t size,
NetPacketSent *sent_cb);
ssize_t qemu_net_queue_send_iov(NetQueue *queue,
NetClientState *sender,
unsigned flags,
const struct iovec *iov,
int iovcnt,
NetPacketSent *sent_cb);
void qemu_net_queue_purge(NetQueue *queue, NetClientState *from);
bool qemu_net_queue_flush(NetQueue *queue);
#endif /* QEMU_NET_QUEUE_H */
