FLOW_DISSECTOR_F_STOP_BEFORE_ENCAP
skb_flow_dissect_flow_keys(skb, &flow_keys, FLOW_DISSECTOR_F_STOP_BEFORE_ENCAP);
if (flags & FLOW_DISSECTOR_F_STOP_BEFORE_ENCAP) {
if (flags & FLOW_DISSECTOR_F_STOP_BEFORE_ENCAP) {
if (flags & FLOW_DISSECTOR_F_STOP_BEFORE_ENCAP) {
FLOW_DISSECTOR_F_STOP_BEFORE_ENCAP);