FLAG_ACKED 110 net/ipv4/tcp_input.c #define FLAG_NOT_DUP (FLAG_DATA|FLAG_WIN_UPDATE|FLAG_ACKED) FLAG_ACKED 112 net/ipv4/tcp_input.c #define FLAG_FORWARD_PROGRESS (FLAG_ACKED|FLAG_DATA_SACKED) FLAG_ACKED 2942 net/ipv4/tcp_input.c if (flag & FLAG_ACKED) {