TFRC_WIN_COUNT_PER_RTT
if (temp > TFRC_WIN_COUNT_PER_RTT + 1) {
&& win_loss - win_start > TFRC_WIN_COUNT_PER_RTT) ||
&& win_start - win_loss < TFRC_WIN_COUNT_LIMIT - TFRC_WIN_COUNT_PER_RTT)) {
&& win_count - cb->last_counter > TFRC_WIN_COUNT_PER_RTT) ||
&& cb->last_counter - win_count < TFRC_WIN_COUNT_LIMIT - TFRC_WIN_COUNT_PER_RTT)) {
/ TFRC_INITIAL_TIMEOUT / (4 * TFRC_WIN_COUNT_PER_RTT);
/ cb->rtt / TFRC_WIN_COUNT_PER_RTT;