diff options
| author | Eric Dumazet <edumazet@google.com> | 2017-05-16 23:00:05 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-17 22:06:01 +0200 |
| commit | 2660bfa84e9236016f3a4f21b7864431d9663338 (patch) | |
| tree | 7fd77d66a2f03a8a63b47b38805f5e55c75bd5f1 /net/ipv4/tcp_bbr.c | |
| parent | tcp: use tcp_jiffies32 to feed tp->snd_cwnd_stamp (diff) | |
| download | linux-2660bfa84e9236016f3a4f21b7864431d9663338.tar.xz linux-2660bfa84e9236016f3a4f21b7864431d9663338.zip | |
tcp_bbr: use tcp_jiffies32 instead of tcp_time_stamp
Use tcp_jiffies32 instead of tcp_time_stamp, since
tcp_time_stamp will soon be only used for TCP TS option.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_bbr.c')
| -rw-r--r-- | net/ipv4/tcp_bbr.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c index 92b045c72163..40dc4fc5f6ac 100644 --- a/net/ipv4/tcp_bbr.c +++ b/net/ipv4/tcp_bbr.c @@ -730,12 +730,12 @@ static void bbr_update_min_rtt(struct sock *sk, const struct rate_sample *rs) bool filter_expired; /* Track min RTT seen in the min_rtt_win_sec filter window: */ - filter_expired = after(tcp_time_stamp, + filter_expired = after(tcp_jiffies32, bbr->min_rtt_stamp + bbr_min_rtt_win_sec * HZ); if (rs->rtt_us >= 0 && (rs->rtt_us <= bbr->min_rtt_us || filter_expired)) { bbr->min_rtt_us = rs->rtt_us; - bbr->min_rtt_stamp = tcp_time_stamp; + bbr->min_rtt_stamp = tcp_jiffies32; } if (bbr_probe_rtt_mode_ms > 0 && filter_expired && @@ -754,7 +754,7 @@ static void bbr_update_min_rtt(struct sock *sk, const struct rate_sample *rs) /* Maintain min packets in flight for max(200 ms, 1 round). */ if (!bbr->probe_rtt_done_stamp && tcp_packets_in_flight(tp) <= bbr_cwnd_min_target) { - bbr->probe_rtt_done_stamp = tcp_time_stamp + + bbr->probe_rtt_done_stamp = tcp_jiffies32 + msecs_to_jiffies(bbr_probe_rtt_mode_ms); bbr->probe_rtt_round_done = 0; bbr->next_rtt_delivered = tp->delivered; @@ -762,8 +762,8 @@ static void bbr_update_min_rtt(struct sock *sk, const struct rate_sample *rs) if (bbr->round_start) bbr->probe_rtt_round_done = 1; if (bbr->probe_rtt_round_done && - after(tcp_time_stamp, bbr->probe_rtt_done_stamp)) { - bbr->min_rtt_stamp = tcp_time_stamp; + after(tcp_jiffies32, bbr->probe_rtt_done_stamp)) { + bbr->min_rtt_stamp = tcp_jiffies32; bbr->restore_cwnd = 1; /* snap to prior_cwnd */ bbr_reset_mode(sk); } @@ -810,7 +810,7 @@ static void bbr_init(struct sock *sk) bbr->probe_rtt_done_stamp = 0; bbr->probe_rtt_round_done = 0; bbr->min_rtt_us = tcp_min_rtt(tp); - bbr->min_rtt_stamp = tcp_time_stamp; + bbr->min_rtt_stamp = tcp_jiffies32; minmax_reset(&bbr->bw, bbr->rtt_cnt, 0); /* init max bw to 0 */ |