From e014f1d0e6f5188b2827c549a40b4bddacbc50cd Mon Sep 17 00:00:00 2001
From: Guido Trotter <ultrotter@google.com>
Date: Wed, 21 Oct 2009 18:44:07 -0400
Subject: [PATCH] KVMHypervisor: configure v6 parameters on nic
In routing mode we are tweaking a few parameters on the interface. With
this patch we'll tweak both the v4 and v6 ones.
Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>
---
lib/hypervisor/hv_kvm.py | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/lib/hypervisor/hv_kvm.py b/lib/hypervisor/hv_kvm.py
index a8439bb7e..25e3d8d65 100644
--- a/lib/hypervisor/hv_kvm.py
+++ b/lib/hypervisor/hv_kvm.py
@@ -177,10 +177,16 @@ class KVMHypervisor(hv_base.BaseHypervisor):
" dev $INTERFACE\n")
else:
script.write(" /sbin/ip route replace $IP/32 dev $INTERFACE\n")
- interface_proxy_arp = "/proc/sys/net/ipv4/conf/$INTERFACE/proxy_arp"
- interface_forwarding = "/proc/sys/net/ipv4/conf/$INTERFACE/forwarding"
- script.write(" /bin/echo 1 > %s\n" % interface_proxy_arp)
- script.write(" /bin/echo 1 > %s\n" % interface_forwarding)
+ interface_v4_conf = "/proc/sys/net/ipv4/conf/$INTERFACE"
+ interface_v6_conf = "/proc/sys/net/ipv6/conf/$INTERFACE"
+ script.write(" if [ -d %s ]; then\n" % interface_v4_conf)
+ script.write(" echo 1 > %s/proxy_arp\n" % interface_v4_conf)
+ script.write(" echo 1 > %s/forwarding\n" % interface_v4_conf)
+ script.write(" fi\n")
+ script.write(" if [ -d %s ]; then\n" % interface_v6_conf)
+ script.write(" echo 1 > %s/proxy_ndp\n" % interface_v6_conf)
+ script.write(" echo 1 > %s/forwarding\n" % interface_v6_conf)
+ script.write(" fi\n")
script.write("fi\n\n")
# As much as we'd like to put this in our _ROOT_DIR, that will happen to be
# mounted noexec sometimes, so we'll have to find another place.
--
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