[PATCH v1 06/10] vhsot_net: introduce set_config & get_config function

[Cindy Lu <lulu@redhat.com>]

This patch introduces set_config & get_config  method which allows
vhost_net set/get the config to backend

Signed-off-by: Cindy Lu <lulu@redhat.com>
---
 hw/net/vhost_net.c      | 11 +++++++++++
 include/net/vhost_net.h |  5 +++++
 2 files changed, 16 insertions(+)

diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index 4096d64aaf..04cc3db264 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -111,6 +111,17 @@ uint64_t vhost_net_get_features(struct vhost_net *net, uint64_t features)
             features);
 }
 
+int vhost_net_get_config(struct vhost_net *net,  uint8_t *config,
+                         uint32_t config_len)
+{
+    return vhost_dev_get_config(&net->dev, config, config_len);
+}
+int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
+                         uint32_t offset, uint32_t size, uint32_t flags)
+{
+    return vhost_dev_set_config(&net->dev, data, offset, size, flags);
+}
+
 void vhost_net_ack_features(struct vhost_net *net, uint64_t features)
 {
     net->dev.acked_features = net->dev.backend_features;
diff --git a/include/net/vhost_net.h b/include/net/vhost_net.h
index 77e47398c4..abfb0e8e68 100644
--- a/include/net/vhost_net.h
+++ b/include/net/vhost_net.h
@@ -27,6 +27,11 @@ void vhost_net_cleanup(VHostNetState *net);
 
 uint64_t vhost_net_get_features(VHostNetState *net, uint64_t features);
 void vhost_net_ack_features(VHostNetState *net, uint64_t features);
+int vhost_net_get_config(struct vhost_net *net,  uint8_t *config,
+                         uint32_t config_len);
+
+int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
+                         uint32_t offset, uint32_t size, uint32_t flags);
 
 bool vhost_net_virtqueue_pending(VHostNetState *net, int n);
 void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
-- 
2.21.1