IFLA_GRE_COLLECT_METADATA
if (data[IFLA_GRE_COLLECT_METADATA] &&
if (!data[IFLA_GRE_COLLECT_METADATA] &&
if (data[IFLA_GRE_COLLECT_METADATA]) {
if (nla_put_flag(skb, IFLA_GRE_COLLECT_METADATA))
[IFLA_GRE_COLLECT_METADATA] = { .type = NLA_FLAG },
if (!data[IFLA_GRE_COLLECT_METADATA] &&
if (data[IFLA_GRE_COLLECT_METADATA])
if (nla_put_flag(skb, IFLA_GRE_COLLECT_METADATA))
[IFLA_GRE_COLLECT_METADATA] = { .type = NLA_FLAG },