bbr_min_rtt_win_sec  133 net/ipv4/tcp_bbr.c static const u32 bbr_min_rtt_win_sec = 10;
bbr_min_rtt_win_sec  946 net/ipv4/tcp_bbr.c 			       bbr->min_rtt_stamp + bbr_min_rtt_win_sec * HZ);