xref: /openbmc/qemu/hw/net/vhost_net-stub.c (revision 197a1372) 
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 }
130