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-rw-r--r--net/sctp/outqueue.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 5c2ddd1..41abfd1 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -396,6 +396,19 @@ void sctp_retransmit_mark(struct sctp_outq *q,
if (sctp_chunk_abandoned(chunk)) {
list_del_init(lchunk);
sctp_insert_list(&q->abandoned, lchunk);
+
+ /* If this chunk has not been previousely acked,
+ * stop considering it 'outstanding'. Our peer
+ * will most likely never see it since it will
+ * not be retransmitted
+ */
+ if (!chunk->tsn_gap_acked) {
+ chunk->transport->flight_size -=
+ sctp_data_size(chunk);
+ q->outstanding_bytes -= sctp_data_size(chunk);
+ q->asoc->peer.rwnd += (sctp_data_size(chunk) +
+ sizeof(struct sk_buff));
+ }
continue;
}
@@ -1244,6 +1257,15 @@ static void sctp_check_transmitted(struct sctp_outq *q,
if (sctp_chunk_abandoned(tchunk)) {
/* Move the chunk to abandoned list. */
sctp_insert_list(&q->abandoned, lchunk);
+
+ /* If this chunk has not been acked, stop
+ * considering it as 'outstanding'.
+ */
+ if (!tchunk->tsn_gap_acked) {
+ tchunk->transport->flight_size -=
+ sctp_data_size(tchunk);
+ q->outstanding_bytes -= sctp_data_size(tchunk);
+ }
continue;
}
@@ -1695,11 +1717,6 @@ static void sctp_generate_fwdtsn(struct sctp_outq *q, __u32 ctsn)
*/
if (TSN_lte(tsn, ctsn)) {
list_del_init(lchunk);
- if (!chunk->tsn_gap_acked) {
- chunk->transport->flight_size -=
- sctp_data_size(chunk);
- q->outstanding_bytes -= sctp_data_size(chunk);
- }
sctp_chunk_free(chunk);
} else {
if (TSN_lte(tsn, asoc->adv_peer_ack_point+1)) {
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