Add tests for ra_honor_pio_life am: 55c763f684 am: 2ddde83b68 am: 9a0052e33a am: 6890bde6d0

Original change: https://android-review.googlesource.com/c/kernel/tests/+/2736034

Change-Id: I4acc25f4d2981ce98e0ce6d3521b1e0bcb28afd0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

2 files changed, 32 insertions, 0 deletions

diff --git a/net/test/multinetwork_base.py b/net/test/multinetwork_base.py
index b02eaa3..5bf9b03 100644
--- a/net/test/multinetwork_base.py
+++ b/net/test/multinetwork_base.py
@@ -56,10 +56,13 @@ ACCEPT_RA_MIN_LFT_SYSCTL = "/proc/sys/net/ipv6/conf/default/accept_ra_min_lft"
 AUTOCONF_TABLE_SYSCTL = "/proc/sys/net/ipv6/conf/default/accept_ra_rt_table"
 IPV4_MARK_REFLECT_SYSCTL = "/proc/sys/net/ipv4/fwmark_reflect"
 IPV6_MARK_REFLECT_SYSCTL = "/proc/sys/net/ipv6/fwmark_reflect"
+RA_HONOR_PIO_LIFE_SYSCTL = "/proc/sys/net/ipv6/conf/default/ra_honor_pio_life"
 
 HAVE_ACCEPT_RA_MIN_LFT = (os.path.isfile(ACCEPT_RA_MIN_LFT_SYSCTL) or
                           net_test.KernelAtLeast([(6, 6, 0)]))
 HAVE_AUTOCONF_TABLE = os.path.isfile(AUTOCONF_TABLE_SYSCTL)
+HAVE_RA_HONOR_PIO_LIFE = (os.path.isfile(RA_HONOR_PIO_LIFE_SYSCTL) or
+                          net_test.KernelAtLeast([(6, 7, 0)]))
 
 
 class ConfigurationError(AssertionError):
diff --git a/net/test/multinetwork_test.py b/net/test/multinetwork_test.py
index ec128b4..d106239 100755
--- a/net/test/multinetwork_test.py
+++ b/net/test/multinetwork_test.py
@@ -599,6 +599,8 @@ class RIOTest(multinetwork_base.MultiNetworkBaseTest):
     self.SetAcceptRaRtInfoMaxPlen(0)
     if multinetwork_base.HAVE_ACCEPT_RA_MIN_LFT:
       self.SetAcceptRaMinLft(0)
+    if multinetwork_base.HAVE_RA_HONOR_PIO_LIFE:
+      self.SetRaHonorPioLife(0)
 
   def GetRoutingTable(self):
     return self._TableForNetid(self.NETID)
@@ -629,6 +631,14 @@ class RIOTest(multinetwork_base.MultiNetworkBaseTest):
     return int(self.GetSysctl(
         "/proc/sys/net/ipv6/conf/%s/accept_ra_min_lft" % self.IFACE))
 
+  def SetRaHonorPioLife(self, enabled):
+    self.SetSysctl(
+        "/proc/sys/net/ipv6/conf/%s/ra_honor_pio_life" % self.IFACE, enabled)
+
+  def GetRaHonorPioLife(self):
+    return int(self.GetSysctl(
+        "/proc/sys/net/ipv6/conf/%s/ra_honor_pio_life" % self.IFACE))
+
   def SendRIO(self, rtlifetime, plen, prefix, prf):
     options = scapy.ICMPv6NDOptRouteInfo(rtlifetime=rtlifetime, plen=plen,
                                          prefix=prefix, prf=prf)
@@ -804,6 +814,25 @@ class RIOTest(multinetwork_base.MultiNetworkBaseTest):
     self.SetAcceptRaMinLft(500)
     self.assertEqual(500, self.GetAcceptRaMinLft())
 
+  @unittest.skipUnless(multinetwork_base.HAVE_RA_HONOR_PIO_LIFE,
+                       "need support for ra_honor_pio_life")
+  def testRaHonorPioLifeReadWrite(self):
+    self.assertEqual(0, self.GetRaHonorPioLife())
+    self.SetRaHonorPioLife(1)
+    self.assertEqual(1, self.GetRaHonorPioLife())
+
+  @unittest.skipUnless(multinetwork_base.HAVE_RA_HONOR_PIO_LIFE,
+                       "need support for ra_honor_pio_life")
+  def testRaHonorPioLife(self):
+    self.SetRaHonorPioLife(1)
+
+    # Test setup has sent an initial RA -- expire it.
+    self.SendRA(self.NETID, routerlft=0, piolft=0)
+    time.sleep(0.1) # Give the kernel time to notice our RA
+
+    # Assert that the address was deleted.
+    self.assertIsNone(self.MyAddress(6, self.NETID))
+
   @unittest.skipUnless(multinetwork_base.HAVE_ACCEPT_RA_MIN_LFT,
                        "need support for accept_ra_min_lft")
   def testAcceptRaMinLftRouterLifetime(self):