hw/net/vhost_net-stub.c

   1 /*
   2  * vhost-net support
   3  *
   4  * Copyright Red Hat, Inc. 2010
   5  *
   6  * Authors:
   7  *  Michael S. Tsirkin <mst@redhat.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #include "qemu/osdep.h"
  14 #include "net/net.h"
  15 #include "net/tap.h"
  16 #include "net/vhost-user.h"
  17
  18 #include "hw/virtio/virtio-net.h"
  19 #include "net/vhost_net.h"
  20 #include "qemu/error-report.h"
  21
  22
  23 uint64_t vhost_net_get_max_queues(VHostNetState *net)
  24 {
  25     return 1;
  26 }
  27
  28 struct vhost_net *vhost_net_init(VhostNetOptions *options)
  29 {
  30     error_report("vhost-net support is not compiled in");
  31     return NULL;
  32 }
  33
  34 int vhost_net_start(VirtIODevice *dev,
  35                     NetClientState *ncs,
  36                     int data_queue_pairs, int cvq)
  37 {
  38     return -ENOSYS;
  39 }
  40 void vhost_net_stop(VirtIODevice *dev,
  41                     NetClientState *ncs,
  42                     int data_queue_pairs, int cvq)
  43 {
  44 }
  45
  46 void vhost_net_cleanup(struct vhost_net *net)
  47 {
  48 }
  49
  50 uint64_t vhost_net_get_features(struct vhost_net *net, uint64_t features)
  51 {
  52     return features;
  53 }
  54
  55 int vhost_net_get_config(struct vhost_net *net,  uint8_t *config,
  56                          uint32_t config_len)
  57 {
  58     return 0;
  59 }
  60 int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
  61                          uint32_t offset, uint32_t size, uint32_t flags)
  62 {
  63     return 0;
  64 }
  65
  66 void vhost_net_ack_features(struct vhost_net *net, uint64_t features)
  67 {
  68 }
  69
  70 uint64_t vhost_net_get_acked_features(VHostNetState *net)
  71 {
  72     return 0;
  73 }
  74
  75 bool vhost_net_virtqueue_pending(VHostNetState *net, int idx)
  76 {
  77     return false;
  78 }
  79
  80 void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
  81                               int idx, bool mask)
  82 {
  83 }
  84
  85 bool vhost_net_config_pending(VHostNetState *net)
  86 {
  87     return false;
  88 }
  89
  90 void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask)
  91 {
  92 }
  93
  94 int vhost_net_notify_migration_done(struct vhost_net *net, char* mac_addr)
  95 {
  96     return -1;
  97 }
  98
  99 VHostNetState *get_vhost_net(NetClientState *nc)
 100 {
 101     return 0;
 102 }
 103
 104 int vhost_set_vring_enable(NetClientState *nc, int enable)
 105 {
 106     return 0;
 107 }
 108
 109 int vhost_net_set_mtu(struct vhost_net *net, uint16_t mtu)
 110 {
 111     return 0;
 112 }
 113
 114 void vhost_net_virtqueue_reset(VirtIODevice *vdev, NetClientState *nc,
 115                                int vq_index)
 116 {
 117
 118 }
 119
 120 int vhost_net_virtqueue_restart(VirtIODevice *vdev, NetClientState *nc,
 121                                 int vq_index)
 122 {
 123     return 0;
 124 }
 125
 126 void vhost_net_save_acked_features(NetClientState *nc)
 127 {
 128
 129 }