From e0c123d57f96d155f2a1cf943c14ad66a4739a84 Mon Sep 17 00:00:00 2001
From: Alexandre Derumier <aderumier@odiso.com>
Date: Wed, 10 May 2023 10:42:09 +0200
Subject: [PATCH] update nlcache after sysctl_set accept_ra/autoconf

---
 ifupdown2/addons/address.py |  3 +++
 ifupdown2/addons/auto.py    | 10 ++++++++--
 ifupdown2/lib/nlcache.py    | 21 +++++++++++++++++++++
 3 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/ifupdown2/addons/address.py b/ifupdown2/addons/address.py
index ef981f8e..11e4512b 100644
--- a/ifupdown2/addons/address.py
+++ b/ifupdown2/addons/address.py
@@ -1029,6 +1029,7 @@ def _sysctl_config(self, ifaceobj):
                     self.sysctl_set('net.ipv6.conf.%s.accept_ra'
                                     %('/'.join(ifaceobj.name.split("."))),
                                     accept_ra)
+                    self.cache.update_link_inet6_accept_ra(ifaceobj.name, accept_ra)
 
                 running_autoconf = self.cache.get_link_inet6_autoconf(ifaceobj)
                 if running_autoconf == '':
@@ -1041,6 +1042,8 @@ def _sysctl_config(self, ifaceobj):
                     self.sysctl_set('net.ipv6.conf.%s.autoconf'
                                     %('/'.join(ifaceobj.name.split("."))),
                                     autoconf)
+                    self.cache.update_link_inet6_autoconf(ifaceobj.name, autoconf)
+
             except Exception as e:
                 if not setting_default_value:
                     ifaceobj.status = ifaceStatus.ERROR
diff --git a/ifupdown2/addons/auto.py b/ifupdown2/addons/auto.py
index b0466928..ee3e39ae 100644
--- a/ifupdown2/addons/auto.py
+++ b/ifupdown2/addons/auto.py
@@ -54,14 +54,20 @@ def _up(self, ifaceobj):
             if 'inet6' in ifaceobj.addr_family:
                 running_accept_ra = self.cache.get_link_inet6_accept_ra(ifaceobj)
                 if running_accept_ra != '2':
+                    accept_ra = '2'
                     self.sysctl_set('net.ipv6.conf.%s.accept_ra'
                                     %('/'.join(ifaceobj.name.split("."))),
-                                    2)
+                                    accept_ra)
+                    self.cache.update_link_inet6_accept_ra(ifaceobj.name, accept_ra)
+
                 running_autoconf = self.cache.get_link_inet6_autoconf(ifaceobj)
                 if running_autoconf != '1':
+                    autoconf = '1'
                     self.sysctl_set('net.ipv6.conf.%s.autoconf'
                                     %('/'.join(ifaceobj.name.split("."))),
-                                    1)
+                                    autoconf)
+                    self.cache.update_link_inet6_autoconf(ifaceobj.name, autoconf)
+
         except Exception as e:
             self.logger.error("%s: %s" % (ifaceobj.name, str(e)))
             ifaceobj.set_status(ifaceStatus.ERROR)
diff --git a/ifupdown2/lib/nlcache.py b/ifupdown2/lib/nlcache.py
index 855f2f27..0d2f6241 100644
--- a/ifupdown2/lib/nlcache.py
+++ b/ifupdown2/lib/nlcache.py
@@ -1204,6 +1204,27 @@ def get_link_inet6_autoconf(self, ifaceobj):
             autoconf = ''
         return autoconf
 
+    def update_link_inet6_accept_ra(self, ifname, accept_ra):
+        try:
+            with self._cache_lock:
+                try:
+                    self._link_cache[ifname].attributes[Link.IFLA_AF_SPEC].value[socket.AF_INET6][Link.IFLA_INET6_CONF]['accept_ra'] = accept_ra
+                except Exception as e:
+                    pass
+        except Exception:
+            pass
+
+    def update_link_inet6_autoconf(self, ifname, autoconf):
+        try:
+            with self._cache_lock:
+                try:
+                    self._link_cache[ifname].attributes[Link.IFLA_AF_SPEC].value[socket.AF_INET6][Link.IFLA_INET6_CONF]['autoconf'] = autoconf
+                except Exception as e:
+                    pass
+        except Exception:
+            pass
+
+
     #####################################################
     #####################################################
     #####################################################