net/colo.h

   1 /*
   2  * COarse-grain LOck-stepping Virtual Machines for Non-stop Service (COLO)
   3  * (a.k.a. Fault Tolerance or Continuous Replication)
   4  *
   5  * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
   6  * Copyright (c) 2016 FUJITSU LIMITED
   7  * Copyright (c) 2016 Intel Corporation
   8  *
   9  * Author: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
  10  *
  11  * This work is licensed under the terms of the GNU GPL, version 2 or
  12  * later.  See the COPYING file in the top-level directory.
  13  */
  14
  15 #ifndef QEMU_COLO_PROXY_H
  16 #define QEMU_COLO_PROXY_H
  17
  18 #include "slirp/slirp.h"
  19 #include "qemu/jhash.h"
  20
  21 #define HASHTABLE_MAX_SIZE 16384
  22
  23 typedef struct Packet {
  24     void *data;
  25     union {
  26         uint8_t *network_header;
  27         struct ip *ip;
  28     };
  29     uint8_t *transport_header;
  30     int size;
  31 } Packet;
  32
  33 int parse_packet_early(Packet *pkt);
  34 void connection_hashtable_reset(GHashTable *connection_track_table);
  35 Packet *packet_new(const void *data, int size);
  36 void packet_destroy(void *opaque, void *user_data);
  37
  38 #endif /* QEMU_COLO_PROXY_H */