diff options
| -rw-r--r-- | net/sctp/transport.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/net/sctp/transport.c b/net/sctp/transport.c index 04b6dd1a07de..9d3589451a96 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -406,11 +406,10 @@ void sctp_transport_raise_cwnd(struct sctp_transport *transport, asoc->fast_recovery = 0; /* The appropriate cwnd increase algorithm is performed if, and only - * if the cumulative TSN whould advanced and the congestion window is - * being fully utilized. + * if the congestion window is being fully utilized. + * Note that RFC4960 Errata 3.22 removed the other condition. */ - if (TSN_lte(sack_ctsn, transport->asoc->ctsn_ack_point) || - (flight_size < cwnd)) + if (flight_size < cwnd) return; ssthresh = transport->ssthresh; @@ -446,11 +445,11 @@ void sctp_transport_raise_cwnd(struct sctp_transport *transport, flight_size, pba); } else { /* RFC 2960 7.2.2 Whenever cwnd is greater than ssthresh, - * upon each SACK arrival that advances the Cumulative TSN Ack - * Point, increase partial_bytes_acked by the total number of - * bytes of all new chunks acknowledged in that SACK including - * chunks acknowledged by the new Cumulative TSN Ack and by - * Gap Ack Blocks. + * upon each SACK arrival, increase partial_bytes_acked + * by the total number of bytes of all new chunks + * acknowledged in that SACK including chunks + * acknowledged by the new Cumulative TSN Ack and by Gap + * Ack Blocks. (updated by RFC4960 Errata 3.22) * * When partial_bytes_acked is equal to or greater than * cwnd and before the arrival of the SACK the sender |