TCP_ECN_SEEN     3267 net/ipv4/tcp.c 	if (tp->ecn_flags & TCP_ECN_SEEN)
TCP_ECN_SEEN      282 net/ipv4/tcp_input.c 		if (tp->ecn_flags & TCP_ECN_SEEN)
TCP_ECN_SEEN      294 net/ipv4/tcp_input.c 		tp->ecn_flags |= TCP_ECN_SEEN;
TCP_ECN_SEEN      299 net/ipv4/tcp_input.c 		tp->ecn_flags |= TCP_ECN_SEEN;