Function rack_log_timely

freebsd/netinet/tcp_stacks/rack.c:2413–2461

}

static void
rack_log_timely(struct tcp_rack *rack,
		uint32_t logged, uint64_t cur_bw, uint64_t low_bnd,
		uint64_t up_bnd, int line, uint8_t method)
{
	if (rack->rc_tp->t_logstate != TCP_LOG_STATE_OFF) {
		union tcp_log_stackspecific log;
		struct timeval tv;

		memset(&log, 0, sizeof(log));
		log.u_bbr.flex1 = logged;
		log.u_bbr.flex2 = rack->rc_gp_timely_inc_cnt;
		log.u_bbr.flex2 <<= 4;
		log.u_bbr.flex2 |= rack->rc_gp_timely_dec_cnt;
		log.u_bbr.flex2 <<= 4;
		log.u_bbr.flex2 |= rack->rc_gp_incr;
		log.u_bbr.flex2 <<= 4;
		log.u_bbr.flex2 |= rack->rc_gp_bwred;
		log.u_bbr.flex3 = rack->rc_gp_incr;
		log.u_bbr.flex4 = rack->r_ctl.rack_per_of_gp_ss;
		log.u_bbr.flex5 = rack->r_ctl.rack_per_of_gp_ca;
		log.u_bbr.flex6 = rack->r_ctl.rack_per_of_gp_rec;
		log.u_bbr.flex7 = rack->rc_gp_bwred;
		log.u_bbr.flex8 = method;
		log.u_bbr.cur_del_rate = cur_bw;
		log.u_bbr.delRate = low_bnd;
		log.u_bbr.bw_inuse = up_bnd;
		log.u_bbr.rttProp = rack_get_bw(rack);
		log.u_bbr.pkt_epoch = line;
		log.u_bbr.pkts_out = rack->r_ctl.rc_rtt_diff;
		log.u_bbr.timeStamp = tcp_get_usecs(&tv);
		log.u_bbr.inflight = ctf_flight_size(rack->rc_tp, rack->r_ctl.rc_sacked);
		log.u_bbr.epoch = rack->r_ctl.rc_gp_srtt;
		log.u_bbr.lt_epoch = rack->r_ctl.rc_prev_gp_srtt;
		log.u_bbr.cwnd_gain = rack->rc_dragged_bottom;
		log.u_bbr.cwnd_gain <<= 1;
		log.u_bbr.cwnd_gain |= rack->rc_gp_saw_rec;
		log.u_bbr.cwnd_gain <<= 1;
		log.u_bbr.cwnd_gain |= rack->rc_gp_saw_ss;
		log.u_bbr.cwnd_gain <<= 1;
		log.u_bbr.cwnd_gain |= rack->rc_gp_saw_ca;
		log.u_bbr.lost = rack->r_ctl.rc_loss_count;
		TCP_LOG_EVENTP(rack->rc_tp, NULL,
		    &rack->rc_inp->inp_socket->so_rcv,
		    &rack->rc_inp->inp_socket->so_snd,
		    TCP_TIMELY_WORK, 0,
		    0, &log, false, &tv);
	}
}

static int
rack_bw_can_be_raised(struct tcp_rack *rack, uint64_t cur_bw, uint64_t last_bw_est, uint16_t mult)