ack_session_info
struct ack_session_info ack_session_info[2 * MAX_TCP_SESSION];
ack > f->ack_session_info[index].bigger_ack_num)
f->ack_session_info[index].bigger_ack_num = ack;
u32 j = f->ack_session_info[i].seq_num;
bigger_ack_num = f->ack_session_info[index].bigger_ack_num;
f->ack_session_info[f->tcp_session].seq_num = seq;
f->ack_session_info[f->tcp_session].bigger_ack_num = 0;
f->ack_session_info[f->tcp_session].src_port = src_prt;
f->ack_session_info[f->tcp_session].dst_port = dst_prt;