LXR qemu/net/queue.h

   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
  29typedef struct NetPacket NetPacket;
  30typedef struct NetQueue NetQueue;
  31
  32typedef void (NetPacketSent) (VLANClientState *sender, ssize_t ret);
  33
  34typedef ssize_t (NetPacketDeliver) (VLANClientState *sender,
  35                                    unsigned flags,
  36                                    const uint8_t *buf,
  37                                    size_t size,
  38                                    void *opaque);
  39
  40typedef ssize_t (NetPacketDeliverIOV) (VLANClientState *sender,
  41                                       unsigned flags,
  42                                       const struct iovec *iov,
  43                                       int iovcnt,
  44                                       void *opaque);
  45
  46#define QEMU_NET_PACKET_FLAG_NONE  0
  47#define QEMU_NET_PACKET_FLAG_RAW  (1<<0)
  48
  49NetQueue *qemu_new_net_queue(NetPacketDeliver *deliver,
  50                             NetPacketDeliverIOV *deliver_iov,
  51                             void *opaque);
  52void qemu_del_net_queue(NetQueue *queue);
  53
  54ssize_t qemu_net_queue_send(NetQueue *queue,
  55                            VLANClientState *sender,
  56                            unsigned flags,
  57                            const uint8_t *data,
  58                            size_t size,
  59                            NetPacketSent *sent_cb);
  60
  61ssize_t qemu_net_queue_send_iov(NetQueue *queue,
  62                                VLANClientState *sender,
  63                                unsigned flags,
  64                                const struct iovec *iov,
  65                                int iovcnt,
  66                                NetPacketSent *sent_cb);
  67
  68void qemu_net_queue_purge(NetQueue *queue, VLANClientState *from);
  69void qemu_net_queue_flush(NetQueue *queue);
  70
  71#endif /* QEMU_NET_QUEUE_H */
  72