Add MTU to Android IFCONFIG6 control command

Since OpenVPN nows supports IPv6 only connections, OpenVPN for Android
cannot longer rely on IFCONFIG to send the MTU. Add sending the MTU to
IFCONFIG6 too.
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <20180703161751.7680-1-arne@rfc2549.org>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg17186.html

Signed-off-by: Gert Doering <gert@greenie.muc.de>

diff --git a/src/openvpn/tun.c b/src/openvpn/tun.c
index f9b9c71664061c50a34337bc51fd6ef1aa1a1587..26baa206645341e54a770f6e7308d7a60d22391b 100644 (file)
--- a/src/openvpn/tun.c
+++ b/src/openvpn/tun.c
@@ -910,8 +910,8 @@ do_ifconfig_ipv6(struct tuntap *tt, const char *ifname, int tun_mtu,
 #elif defined(TARGET_ANDROID)
     char out6[64];
 
-    openvpn_snprintf(out6, sizeof(out6), "%s/%d",
-                     ifconfig_ipv6_local,tt->netbits_ipv6);
+    openvpn_snprintf(out6, sizeof(out6), "%s/%d %d",
+                     ifconfig_ipv6_local,tt->netbits_ipv6, tun_mtu);
     management_android_control(management, "IFCONFIG6", out6);
 #elif defined(TARGET_SOLARIS)
     argv_printf(&argv, "%s %s inet6 unplumb", IFCONFIG_PATH, ifname);