tcp_flag_byte    1796 net/ipv4/tcp_ipv4.c 	TCP_SKB_CB(skb)->tcp_flags = tcp_flag_byte(th);
tcp_flag_byte    1471 net/ipv6/tcp_ipv6.c 	TCP_SKB_CB(skb)->tcp_flags = tcp_flag_byte(th);
tcp_flag_byte     749 net/netfilter/nf_conntrack_proto_tcp.c 	tcpflags = (tcp_flag_byte(th) & ~(TCPHDR_ECE|TCPHDR_CWR|TCPHDR_PSH));