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| author |   Dave Wallace <dwallacelf@gmail.com> | 2019-11-01 14:41:29 -0400 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2020-08-07 21:45:43 +0000 |
| commit | bb49148160b7a61fe871bf7c075cbbb01a937254 (patch) | |
| tree | 6259238e411e60f3377e1bbdbffb09ef0214ab43 | |
| parent | 7367691e44640d0ac7efe0e574ebb68d5932f56b (diff) | |
quic: fix quicly rtt time skew
- This patch to quicly fixes an intermittent failure
in the rtt calculation when there is a time skew
Type: fix
Change-Id: If89c47401ee75c88f0eb65ae888b6914695b2aec
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
(cherry picked from commit caa52f3f93fba4685aa91124646683529de38725)
| -rw-r--r-- | build/external/patches/quicly_0.0.5-vpp/0002-quicly-rtt-time-skew.patch | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/build/external/patches/quicly_0.0.5-vpp/0002-quicly-rtt-time-skew.patch b/build/external/patches/quicly_0.0.5-vpp/0002-quicly-rtt-time-skew.patch new file mode 100644 index 00000000000..40ac0276977 --- /dev/null +++ b/build/external/patches/quicly_0.0.5-vpp/0002-quicly-rtt-time-skew.patch @@ -0,0 +1,15 @@ +diff --git a/lib/quicly.c b/lib/quicly.c +index 95d5f13..200515f 100644 +--- a/lib/quicly.c ++++ b/lib/quicly.c +@@ -3551,6 +3551,10 @@ static int handle_ack_frame(quicly_conn_t *conn, struct st_quicly_handle_payload + + QUICLY_PROBE(QUICTRACE_RECV_ACK_DELAY, conn, probe_now(), frame.ack_delay); + ++ /* Detect and fix time skew */ ++ if (now < largest_newly_acked.sent_at) ++ now = largest_newly_acked.sent_at; ++ + /* Update loss detection engine on ack. The function uses ack_delay only when the largest_newly_acked is also the largest acked + * so far. So, it does not matter if the ack_delay being passed in does not apply to the largest_newly_acked. */ + quicly_loss_on_ack_received(&conn->egress.loss, largest_newly_acked.packet_number, now, largest_newly_acked.sent_at, |