ip6_vti: Fix build when NET_IP_TUNNEL is not set.

Since commit 469bdcefdc47a ip6_vti uses ip_tunnel_get_stats64(),
so we need to select NET_IP_TUNNEL to have this function available.

Fixes: 469bdcefdc ("ipv6: fix the use of pcpu_tstats in ip6_vti.c")
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index d92e558..438a73a 100644 (file)
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -138,6 +138,7 @@ config INET6_XFRM_MODE_ROUTEOPTIMIZATION
 config IPV6_VTI
 tristate "Virtual (secure) IPv6: tunneling"
        select IPV6_TUNNEL
+       select NET_IP_TUNNEL
        depends on INET6_XFRM_MODE_TUNNEL
        ---help---
        Tunneling means encapsulating data of one protocol type within