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-rw-r--r--include/net/sctp/structs.h1
-rw-r--r--net/sctp/outqueue.c10
-rw-r--r--net/sctp/sm_sideeffect.c1
-rw-r--r--net/sctp/transport.c5
4 files changed, 2 insertions, 15 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index cd2e18778f81..0a474568b003 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -893,7 +893,6 @@ struct sctp_transport {
*/
/* RTO : The current retransmission timeout value. */
unsigned long rto;
- unsigned long last_rto;
__u32 rtt; /* This is the most recent RTT. */
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index c9f20e28521b..23e5e97aa617 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -423,16 +423,6 @@ void sctp_retransmit_mark(struct sctp_outq *q,
if ((reason == SCTP_RTXR_FAST_RTX &&
(chunk->fast_retransmit == SCTP_NEED_FRTX)) ||
(reason != SCTP_RTXR_FAST_RTX && !chunk->tsn_gap_acked)) {
- /* If this chunk was sent less then 1 rto ago, do not
- * retransmit this chunk, but give the peer time
- * to acknowlege it. Do this only when
- * retransmitting due to T3 timeout.
- */
- if (reason == SCTP_RTXR_T3_RTX &&
- time_before(jiffies, chunk->sent_at +
- transport->last_rto))
- continue;
-
/* RFC 2960 6.2.1 Processing a Received SACK
*
* C) Any time a DATA chunk is marked for
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 8674d4919556..efa516b47e81 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -480,7 +480,6 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
* that indicates that we have an outstanding HB.
*/
if (!is_hb || transport->hb_sent) {
- transport->last_rto = transport->rto;
transport->rto = min((transport->rto * 2), transport->asoc->rto_max);
}
}
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 3b141bb32faf..37a1184d789f 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -74,7 +74,7 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
* given destination transport address, set RTO to the protocol
* parameter 'RTO.Initial'.
*/
- peer->last_rto = peer->rto = msecs_to_jiffies(sctp_rto_initial);
+ peer->rto = msecs_to_jiffies(sctp_rto_initial);
peer->rtt = 0;
peer->rttvar = 0;
peer->srtt = 0;
@@ -386,7 +386,6 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
tp->rto = tp->asoc->rto_max;
tp->rtt = rtt;
- tp->last_rto = tp->rto;
/* Reset rto_pending so that a new RTT measurement is started when a
* new data chunk is sent.
@@ -602,7 +601,7 @@ void sctp_transport_reset(struct sctp_transport *t)
*/
t->cwnd = min(4*asoc->pathmtu, max_t(__u32, 2*asoc->pathmtu, 4380));
t->ssthresh = asoc->peer.i.a_rwnd;
- t->last_rto = t->rto = asoc->rto_initial;
+ t->rto = asoc->rto_initial;
t->rtt = 0;
t->srtt = 0;
t->rttvar = 0;