diff options
| -rw-r--r-- | usr/src/uts/common/inet/cc/cc_cubic.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/usr/src/uts/common/inet/cc/cc_cubic.c b/usr/src/uts/common/inet/cc/cc_cubic.c index a4b8f29e18..11c238afd8 100644 --- a/usr/src/uts/common/inet/cc/cc_cubic.c +++ b/usr/src/uts/common/inet/cc/cc_cubic.c @@ -3,6 +3,7 @@ * Copyright (c) 2010 The FreeBSD Foundation * All rights reserved. * Copyright (c) 2017 by Delphix. All rights reserved. + * Copyright 2019 Joyent, Inc. * * This software was developed by Lawrence Stewart while studying at the Centre * for Advanced Internet Architectures, Swinburne University of Technology, made @@ -296,18 +297,13 @@ cubic_cong_signal(struct cc_var *ccv, uint32_t type) case CC_RTO: /* * Grab the current time and record it so we know when the - * most recent congestion event was. Only record it when the - * timeout has fired more than once, as there is a reasonable - * chance the first one is a false alarm and may not indicate - * congestion. + * most recent congestion event was. */ - if (CCV(ccv, tcp_timer_backoff) >= 2) { - cubic_data->num_cong_events++; - cubic_data->t_last_cong = gethrtime(); - cubic_ssthresh_update(ccv); - cubic_data->max_cwnd = cwin; - CCV(ccv, tcp_cwnd) = mss; - } + cubic_data->num_cong_events++; + cubic_data->t_last_cong = gethrtime(); + cubic_ssthresh_update(ccv); + cubic_data->max_cwnd = cwin; + CCV(ccv, tcp_cwnd) = mss; break; } } |