For for each TSN t being newly acked (Not only cumulatively, but also SELECTIVELY) cacc_saw_newack should be set to 1.
Signed-off-by: Xiangzhong Chang <[email protected]> --- net/sctp/outqueue.c | 42 +++++++++++++++++++++--------------------- 1 file changed, 21 insertions(+), 21 deletions(-) diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 94df758..d86032b 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -1398,6 +1398,27 @@ static void sctp_check_transmitted(struct sctp_outq *q, forward_progress = true; } + if (!tchunk->tsn_gap_acked) { + /* + * SFR-CACC algorithm: + * 2) If the SACK contains gap acks + * and the flag CHANGEOVER_ACTIVE is + * set the receiver of the SACK MUST + * take the following action: + * + * B) For each TSN t being acked that + * has not been acked in any SACK so + * far, set cacc_saw_newack to 1 for + * the destination that the TSN was + * sent to. + */ + if (transport && + sack->num_gap_ack_blocks && + q->asoc->peer.primary_path->cacc. + changeover_active) + transport->cacc.cacc_saw_newack = 1; + } + if (TSN_lte(tsn, sack_ctsn)) { /* RFC 2960 6.3.2 Retransmission Timer Rules * @@ -1411,27 +1432,6 @@ static void sctp_check_transmitted(struct sctp_outq *q, restart_timer = 1; forward_progress = true; - if (!tchunk->tsn_gap_acked) { - /* - * SFR-CACC algorithm: - * 2) If the SACK contains gap acks - * and the flag CHANGEOVER_ACTIVE is - * set the receiver of the SACK MUST - * take the following action: - * - * B) For each TSN t being acked that - * has not been acked in any SACK so - * far, set cacc_saw_newack to 1 for - * the destination that the TSN was - * sent to. - */ - if (transport && - sack->num_gap_ack_blocks && - q->asoc->peer.primary_path->cacc. - changeover_active) - transport->cacc.cacc_saw_newack - = 1; - } list_add_tail(&tchunk->transmitted_list, &q->sacked); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
