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| author | Dimitri Staessens <dimitri@ouroboros.rocks> | 2022-03-30 18:34:48 +0200 |
|---|---|---|
| committer | Sander Vrijders <sander@ouroboros.rocks> | 2022-04-01 08:09:22 +0200 |
| commit | 369400aab2b464b2ef11d30547f5ca7eee2a4b2a (patch) | |
| tree | 063c4b42dff2f7c7d551feaad6b3c742875e1fd9 /src/lib/timerwheel.c | |
| parent | 8a1f7dc159cc7a85e92975e1b25fdce1368e8c8e (diff) | |
| download | ouroboros-369400aab2b464b2ef11d30547f5ca7eee2a4b2a.tar.gz ouroboros-369400aab2b464b2ef11d30547f5ca7eee2a4b2a.zip | |
lib: Fix timing of delayed ACKs
Delayed ACKs are now sent after twice the internal tick time. Fixes
initial ACK record (rcv_cr.seqno) being uninitialized (0) when the
first ACK was to be sent. Adds some FRCT metrics for number of
received delayed (bare) ACKs and the RTT estimator.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
Diffstat (limited to 'src/lib/timerwheel.c')
| -rw-r--r-- | src/lib/timerwheel.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/lib/timerwheel.c b/src/lib/timerwheel.c index 3225bf35..0f5e2e04 100644 --- a/src/lib/timerwheel.c +++ b/src/lib/timerwheel.c @@ -301,7 +301,6 @@ static void timerwheel_move(void) send_frct_pkt(a->frcti); free(a); - } } @@ -394,7 +393,7 @@ static int timerwheel_ack(int fd, pthread_rwlock_rdlock(&frcti->lock); - slot = (((ts_to_ns(now) + frcti->mdev) >> ACKQ_RES) + 1) + slot = (((ts_to_ns(now) + (TICTIME << 1)) >> ACKQ_RES) + 1) & (ACKQ_SLOTS - 1); pthread_rwlock_unlock(&frcti->lock); |