From: Claudio-Daniel Freire <cdfreire@antar.inria.fr>
Date: Mon, 23 May 2011 08:59:26 +0000 (+0200)
Subject: pointopoint support
X-Git-Tag: vsys-scripts-0.95-29~5
X-Git-Url: http://git.onelab.eu/?p=vsys-scripts.git;a=commitdiff_plain;h=31330532561406c882625a8efd9caa167505e7d0

pointopoint support
---

diff --git a/exec/vif_up b/exec/vif_up
index 39557df..b7a35d3 100755
--- a/exec/vif_up
+++ b/exec/vif_up
@@ -103,6 +103,7 @@ opt_txqueuelen = None
 opt_rp_filter = None
 opt_snat = None
 opt_ovs_dp = None
+opt_pointopoint = None
 
 
 for optionline in options:
@@ -129,11 +130,17 @@ for optionline in options:
             sys.exit(1)
         opt_txqueuelen = intval
     elif opt=="snat":
-	intval = int(val)
-	if val=="1":
-	  opt_snat = True
+        intval = int(val)
+        if val=="1":
+            opt_snat = True
+    elif opt=="pointopoint":
+        opt_pointopoint = val.strip()
+        try:
+            socket.inet_aton(opt_pointopoint)
+        except socket.error,e:
+            print >>sys.stderr, "pointopoint: %s" % (e,)
     elif opt=="vswitch":
-	opt_ovs_dp = val
+        opt_ovs_dp = val
     else:
         print >>sys.stderr, "Unknown option: \"%s\"" % (opt)
         sys.exit(1)
@@ -141,10 +148,16 @@ for optionline in options:
 
 ### Configure interface
 
-if opt_txqueuelen is None:
-    cmd_ifconfig = "/sbin/ifconfig %s %s/%d" % (vif, vip, vmask)
+cmd_ifconfig = "/sbin/ifconfig %s %s" % (vif, vip)
+if opt_pointopoint is None:
+    cmd_ifconfig += "/%d" % (vmask,)
 else:
-    cmd_ifconfig = "/sbin/ifconfig %s %s/%d txqueuelen %d" % (vif, vip, vmask, opt_txqueuelen)
+    # point-to-point mask
+    cmd_ifconfig += " netmask 255.255.255.255"
+if opt_txqueuelen is not None:
+    cmd_ifconfig += " txqueuelen %d" % (opt_txqueuelen,)
+if opt_pointopoint is not None:
+    cmd_ifconfig += " pointopoint %s" % (opt_pointopoint,)
 
 os.system(cmd_ifconfig)
 
@@ -171,6 +184,16 @@ if (opt_snat):
     #print cmd_iptables_del_pr
     #print cmd_iptables_pr
 
+#if opt_pointopoint and vmask < 32:
+#    # Make target vnet masked address
+#    p2p_int = struct.unpack('!L', socket.inet_aton(opt_pointopoint))[0]
+#    vip_vnet = socket.inet_ntoa(
+#        struct.pack('!L', ((p2p_int>>(32-vmask))<<(32-vmask))) )
+#
+#    cmd_routing_p2p = "/sbin/route add -net %s/%d gw %s dev %s" % (vip_vnet, vmask, opt_pointopoint, vif)
+#    print >>sys.stderr, cmd_routing_p2p
+#    os.system(cmd_routing_p2p)
+
 # Process additional options
 if opt_rp_filter is not None:
     rp_cmd = "/sbin/sysctl net.ipv4.conf.%s.rp_filter=%s" % (vif, opt_rp_filter)
@@ -180,3 +203,4 @@ if opt_rp_filter is not None:
 if opt_ovs_dp is not None:
     cmd_ovs_addif = "ovs-dpctl add-if %s %s"%(opt_ovs_dp,vif)
     os.system(cmd_ovs_addif)
+