[Xen-changelog] [xen-unstable] xend/xenapi: Initialize a VLAN PIF's record with the MAC and MTU size

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1218469862 -3600
# Node ID 8b1ebe5e8fd783aa65b9638be14a32120fd05c75
# Parent  f9062ba4c54f579a239ec9f1dc5841885339865b
xend/xenapi: Initialize a VLAN PIF's record with the MAC and MTU size
of the created network interface

Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxx>
---
 tools/python/xen/xend/XendPIF.py |   20 ++++++++++++++++++--
 1 files changed, 18 insertions(+), 2 deletions(-)

diff -r f9062ba4c54f -r 8b1ebe5e8fd7 tools/python/xen/xend/XendPIF.py
--- a/tools/python/xen/xend/XendPIF.py  Mon Aug 11 15:44:47 2008 +0100
+++ b/tools/python/xen/xend/XendPIF.py  Mon Aug 11 16:51:02 2008 +0100
@@ -95,6 +95,22 @@ def linux_set_mtu(iface, mtu):
     except ValueError:
         return False
 
+def linux_get_mtu(device):
+    return _linux_get_pif_param(device, 'mtu')
+
+def linux_get_mac(device):
+    return _linux_get_pif_param(device, 'link/ether')
+
+def _linux_get_pif_parm(device, param_name):
+    ip_get_dev_data = 'ip link show %s' % device
+    rc, output = commands.getstatusoutput(ip_get_dev_data)
+    if rc == 0:
+        params = output.split(' ')
+        for i in xrange(len(params)):
+            if params[i] == param_name:
+                return params[i+1]
+    return ''
+
 def _create_VLAN(dev, vlan):
     rc, _ = commands.getstatusoutput('vconfig add %s %d' %
                                      (dev, vlan))
@@ -259,8 +275,8 @@ class XendPIF(XendBase):
         # Create the record
         record = {
             "device":  device,
-            "MAC":     '',
-            "MTU":     '',
+            "MAC":     linux_get_mac('%s.%d' % (device, vlan)),
+            "MTU":     linux_get_mtu('%s.%d' % (device, vlan)),
             "network": network_uuid,
             "VLAN":    vlan
             }

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