Added support for Bridge mode networking. (#160)

* Added support for Bridge mode networking.

added config file option "bridge"
set to a correctly configured bridge device to enable qemu-bridge-helper

* Added Docs for Bridge network feature

README.md

@@ -443,6 +443,13 @@ In the example above:
   * Port 8123 on the host is forwarded to port 8123 on the guest.
   * Port 8888 on the host is forwarded to port 80 on the guest.
 
+# Bridged networking
+
+Connect your virtual machine to a preconfigured network bridge.
+Add an additional line to your virtual machine configuration
+
+  * `bridge="br0"`
+
 # USB redirection
 
 Quickemu supports USB redirection via SPICE pass-through and host pass-through.

quickemu

@@ -815,6 +815,9 @@ function vm_boot() {
   # See https://github.com/wimpysworld/quickemu/issues/115
   if [ "${guest_os}" == "windows" ] && [ -n "${iso}" ]; then
     args+=(-nic none)
+  elif [ -n "${bridge}" ]; then
+    # Enable bridge mode networking
+    args+=(-nic bridge,br=${bridge},model=virtio-net-pci)
   else
     # shellcheck disable=SC2054,SC2206
     args+=(-device ${NET_DEVICE},netdev=nic -netdev ${NET},id=nic)
@@ -965,6 +968,7 @@ function usage() {
 
 # Lowercase variables are used in the VM config file only
 boot="efi"
+bridge=""
 cpu_cores=""
 disk_img=""
 disk_size=""