diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index e444cd12e864..c724fb30d048 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -451,7 +451,9 @@ static int ip_tun_build_state(struct nlattr *attr, tun_info->key.tos = nla_get_u8(tb[LWTUNNEL_IP_TOS]); if (tb[LWTUNNEL_IP_FLAGS]) - tun_info->key.tun_flags |= nla_get_be16(tb[LWTUNNEL_IP_FLAGS]); + tun_info->key.tun_flags |= + (nla_get_be16(tb[LWTUNNEL_IP_FLAGS]) & + ~TUNNEL_OPTIONS_PRESENT); tun_info->mode = IP_TUNNEL_INFO_TX; tun_info->options_len = opt_len; @@ -550,8 +552,7 @@ static int ip_tun_fill_encap_opts(struct sk_buff *skb, int type, struct nlattr *nest; int err = 0; - if (!(tun_info->key.tun_flags & - (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT))) + if (!(tun_info->key.tun_flags & TUNNEL_OPTIONS_PRESENT)) return 0; nest = nla_nest_start_noflag(skb, type); @@ -596,8 +597,7 @@ static int ip_tun_opts_nlsize(struct ip_tunnel_info *info) { int opt_len; - if (!(info->key.tun_flags & - (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT))) + if (!(info->key.tun_flags & TUNNEL_OPTIONS_PRESENT)) return 0; opt_len = nla_total_size(0); /* LWTUNNEL_IP_OPTS */ @@ -718,7 +718,9 @@ static int ip6_tun_build_state(struct nlattr *attr, tun_info->key.tos = nla_get_u8(tb[LWTUNNEL_IP6_TC]); if (tb[LWTUNNEL_IP6_FLAGS]) - tun_info->key.tun_flags |= nla_get_be16(tb[LWTUNNEL_IP6_FLAGS]); + tun_info->key.tun_flags |= + (nla_get_be16(tb[LWTUNNEL_IP6_FLAGS]) & + ~TUNNEL_OPTIONS_PRESENT); tun_info->mode = IP_TUNNEL_INFO_TX | IP_TUNNEL_INFO_IPV6; tun_info->options_len = opt_len;