If we initialize ca->curr_rtt to ~0U, we do not need to test
for zero value in hystart_update()
We only read ca->curr_rtt if at least HYSTART_MIN_SAMPLES have
been processed, and thus ca->curr_rtt will have a sane value.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ca->round_start = ca->last_ack = bictcp_clock();
ca->end_seq = tp->snd_nxt;
- ca->curr_rtt = 0;
+ ca->curr_rtt = ~0U;
ca->sample_cnt = 0;
}
if (hystart_detect & HYSTART_DELAY) {
/* obtain the minimum delay of more than sampling packets */
if (ca->sample_cnt < HYSTART_MIN_SAMPLES) {
- if (ca->curr_rtt == 0 || ca->curr_rtt > delay)
+ if (ca->curr_rtt > delay)
ca->curr_rtt = delay;
ca->sample_cnt++;