BSD: Dont warn if the kernel does not support flushing routers

As the implemention might be removed one day.

diff --git a/src/if-bsd.c b/src/if-bsd.c
index ee84f3ee0ebacb52732c42058a3a966d0ca32beb..7361669a63fc014c3bd29cc4f8c5656b59056371 100644 (file)
--- a/src/if-bsd.c
+++ b/src/if-bsd.c
@@ -1946,7 +1946,7 @@ if_setup_inet6(const struct interface *ifp)
                logerr("%s: set_ifxflags", ifp->name);
 #endif
 
-#if defined(IPV6CTL_ACCEPT_RTADV) || defined(ND6_IFF_ACCEPT_RTADV)
+#ifdef SIOCSRTRFLUSH_IN6
        /* Flush the kernel knowledge of advertised routers
         * and prefixes so the kernel does not expire prefixes
         * and default routes we are trying to own. */
@@ -1957,12 +1957,14 @@ if_setup_inet6(const struct interface *ifp)
                strlcpy(ifr.ifr_name, ifp->name, sizeof(ifr.ifr_name));
                if (if_ioctl6(ifp->ctx, SIOCSRTRFLUSH_IN6,
                    &ifr, sizeof(ifr)) == -1 &&
-                   errno != ENOTSUP)
-                       logwarn("SIOCSRTRFLUSH_IN6");
+                   errno != ENOTSUP && errno != ENOTTY)
+                       logwarn("SIOCSRTRFLUSH_IN6 %d", errno);
+#ifdef SIOCSPFXFLUSH_IN6
                if (if_ioctl6(ifp->ctx, SIOCSPFXFLUSH_IN6,
                    &ifr, sizeof(ifr)) == -1 &&
-                   errno != ENOTSUP)
+                   errno != ENOTSUP && errno != ENOTTY)
                        logwarn("SIOCSPFXFLUSH_IN6");
+#endif
        }
 #endif
 }