From: Daniel P. Berrange <berrange@redhat.com>
Date: Fri, 30 Jan 2009 17:17:58 +0000 (+0000)
Subject: Fix ifname= passing to QEMU for type=ethernet network config
X-Git-Tag: LIBVIRT_0_6_0~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6ef2e0055398135c88934f9d0a5f89d468a6534;p=thirdparty%2Flibvirt.git

Fix ifname= passing to QEMU for type=ethernet network config
---

diff --git a/ChangeLog b/ChangeLog
index 34ead5eada..fac7ab593e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+Fri Jan 30 17:16:22 GMT 2009 Daniel P. Berrange <berrange@redhat.com>
+
+	* src/qemu_conf.c: Fix ifname= handling for type=ethernet
+	networking config to avoid literal (null)
+	* tests/qemuxml2argvtest.c, tests/qemuxml2xmltest.c,
+	tests/qemuxml2argvdata/: Add test case for ethernet
+	interface config
+
 Fri Jan 30 17:12:22 GMT 2009 Daniel P. Berrange <berrange@redhat.com>
 
 	Support <driver cache='none|writeback|writethrough'/> cache
diff --git a/src/qemu_conf.c b/src/qemu_conf.c
index ca213839f9..d86b18946e 100644
--- a/src/qemu_conf.c
+++ b/src/qemu_conf.c
@@ -1147,11 +1147,18 @@ int qemudBuildCommandLine(virConnectPtr conn,
             case VIR_DOMAIN_NET_TYPE_ETHERNET:
                 {
                     char arg[PATH_MAX];
-                    if (snprintf(arg, PATH_MAX-1, "tap,ifname=%s,script=%s,vlan=%d",
-                                 net->ifname,
-                                 net->data.ethernet.script,
-                                 vlan) >= (PATH_MAX-1))
-                        goto error;
+                    if (net->ifname) {
+                        if (snprintf(arg, PATH_MAX-1, "tap,ifname=%s,script=%s,vlan=%d",
+                                     net->ifname,
+                                     net->data.ethernet.script,
+                                     vlan) >= (PATH_MAX-1))
+                            goto error;
+                    } else {
+                        if (snprintf(arg, PATH_MAX-1, "tap,script=%s,vlan=%d",
+                                     net->data.ethernet.script,
+                                     vlan) >= (PATH_MAX-1))
+                            goto error;
+                    }
 
                     ADD_ARG_LIT(arg);
                 }
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.args b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.args
new file mode 100644
index 0000000000..89daa9911c
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.args
@@ -0,0 +1 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -pidfile /nowhere/QEMUGuest1.pid -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net nic,macaddr=00:11:22:33:44:55,vlan=0 -net tap,ifname=nic02,script=/etc/qemu-ifup,vlan=0 -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
new file mode 100644
index 0000000000..9ca4295866
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
@@ -0,0 +1,27 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu</emulator>
+    <disk type='block' device='disk'>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+    </disk>
+    <interface type='ethernet'>
+      <mac address='00:11:22:33:44:55'/>
+      <script path='/etc/qemu-ifup'/>
+      <target dev='nic02'/>
+    </interface>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth.args b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.args
new file mode 100644
index 0000000000..9aa0e13c4a
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.args
@@ -0,0 +1 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -pidfile /nowhere/QEMUGuest1.pid -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net nic,macaddr=00:11:22:33:44:55,vlan=0 -net tap,script=/etc/qemu-ifup,vlan=0 -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
new file mode 100644
index 0000000000..5856c3d52a
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
@@ -0,0 +1,26 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu</emulator>
+    <disk type='block' device='disk'>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+    </disk>
+    <interface type='ethernet'>
+      <mac address='00:11:22:33:44:55'/>
+      <script path='/etc/qemu-ifup'/>
+    </interface>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index dd477ae19e..90b474018c 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -224,6 +224,8 @@ mymain(int argc, char **argv)
         QEMUD_CMD_FLAG_UUID | QEMUD_CMD_FLAG_DOMID);
     DO_TEST("net-user", 0);
     DO_TEST("net-virtio", 0);
+    DO_TEST("net-eth", 0);
+    DO_TEST("net-eth-ifname", 0);
 
     DO_TEST("serial-vc", 0);
     DO_TEST("serial-pty", 0);
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 41cdc8b497..ab9943d6ec 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -111,6 +111,8 @@ mymain(int argc, char **argv)
     DO_TEST("misc-no-reboot");
     DO_TEST("net-user");
     DO_TEST("net-virtio");
+    DO_TEST("net-eth");
+    DO_TEST("net-eth-ifname");
     DO_TEST("sound");
 
     DO_TEST("serial-vc");