xref: /openbmc/qemu/include/net/queue.h (revision 1fd6bb44)
1 /*
2  * Copyright (c) 2003-2008 Fabrice Bellard
3  * Copyright (c) 2009 Red Hat, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a copy
6  * of this software and associated documentation files (the "Software"), to deal
7  * in the Software without restriction, including without limitation the rights
8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9  * copies of the Software, and to permit persons to whom the Software is
10  * furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21  * THE SOFTWARE.
22  */
23 
24 #ifndef QEMU_NET_QUEUE_H
25 #define QEMU_NET_QUEUE_H
26 
27 #include "qemu-common.h"
28 
29 typedef struct NetPacket NetPacket;
30 typedef struct NetQueue NetQueue;
31 
32 typedef void (NetPacketSent) (NetClientState *sender, ssize_t ret);
33 
34 #define QEMU_NET_PACKET_FLAG_NONE  0
35 #define QEMU_NET_PACKET_FLAG_RAW  (1<<0)
36 
37 NetQueue *qemu_new_net_queue(void *opaque);
38 
39 void qemu_del_net_queue(NetQueue *queue);
40 
41 ssize_t qemu_net_queue_send(NetQueue *queue,
42                             NetClientState *sender,
43                             unsigned flags,
44                             const uint8_t *data,
45                             size_t size,
46                             NetPacketSent *sent_cb);
47 
48 ssize_t qemu_net_queue_send_iov(NetQueue *queue,
49                                 NetClientState *sender,
50                                 unsigned flags,
51                                 const struct iovec *iov,
52                                 int iovcnt,
53                                 NetPacketSent *sent_cb);
54 
55 void qemu_net_queue_purge(NetQueue *queue, NetClientState *from);
56 bool qemu_net_queue_flush(NetQueue *queue);
57 
58 #endif /* QEMU_NET_QUEUE_H */
59