commit 59d8c48cee74679d2305c535ab61d4a6f8258c64
author Erik Kline <ek@google.com> Tue Aug 09 15:28:42 2016 +0900
committer Erik Kline <ek@google.com> Tue Aug 09 15:28:42 2016 +0900
tree cd3d865abced008c0d63aa85fc0693fef154a36c
parent 46ae27cd20e70393843799efe8de9180295a4953

Disable DAD for downstream interfaces when tethering

Bug: 30298058
Change-Id: If4cd1f2e2b782ff08d667eb065138c06559b3394

server/TetherController.cpp

diff --git a/server/TetherController.cpp b/server/TetherController.cpp
index 971104f..6617c6a 100644
--- a/server/TetherController.cpp
+++ b/server/TetherController.cpp
@@ -65,11 +65,15 @@
 bool configureForIPv6Router(const char *interface) {
     return (InterfaceController::setEnableIPv6(interface, 0) == 0)
             && (InterfaceController::setAcceptIPv6Ra(interface, 0) == 0)
+            && (InterfaceController::setAcceptIPv6Dad(interface, 0) == 0)
+            && (InterfaceController::setIPv6DadTransmits(interface, "0") == 0)
             && (InterfaceController::setEnableIPv6(interface, 1) == 0);
 }
 
 void configureForIPv6Client(const char *interface) {
     InterfaceController::setAcceptIPv6Ra(interface, 1);
+    InterfaceController::setAcceptIPv6Dad(interface, 1);
+    InterfaceController::setIPv6DadTransmits(interface, "1");
     InterfaceController::setEnableIPv6(interface, 0);
 }