bbr_get_pacing_delay
pacing_delay = bbr_get_pacing_delay(bbr, bbr->r_ctl.rc_bbr_hptsi_gain, tot_len, cts, 0);
pacing_delay = bbr_get_pacing_delay(bbr,
pacing_delay = bbr_get_pacing_delay(bbr, bbr->r_ctl.rc_bbr_hptsi_gain, tot_len, cts, 0);
cur_delay = bbr_get_pacing_delay(bbr, BBR_UNIT,
pacing_time = bbr_get_pacing_delay(bbr, bbr->r_ctl.rc_bbr_hptsi_gain, len, cts, 1);