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Diffstat (limited to 'net/sctp/outqueue.c')
-rw-r--r--net/sctp/outqueue.c26
1 files changed, 24 insertions, 2 deletions
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 23e5e97aa617..229690f02a1d 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -191,8 +191,8 @@ static inline int sctp_cacc_skip(struct sctp_transport *primary,
__u32 tsn)
{
if (primary->cacc.changeover_active &&
- (sctp_cacc_skip_3_1(primary, transport, count_of_newacks)
- || sctp_cacc_skip_3_2(primary, tsn)))
+ (sctp_cacc_skip_3_1(primary, transport, count_of_newacks) ||
+ sctp_cacc_skip_3_2(primary, tsn)))
return 1;
return 0;
}
@@ -921,6 +921,14 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
goto sctp_flush_out;
}
+ /* Apply Max.Burst limitation to the current transport in
+ * case it will be used for new data. We are going to
+ * rest it before we return, but we want to apply the limit
+ * to the currently queued data.
+ */
+ if (transport)
+ sctp_transport_burst_limited(transport);
+
/* Finally, transmit new packets. */
while ((chunk = sctp_outq_dequeue_data(q)) != NULL) {
/* RFC 2960 6.5 Every DATA chunk MUST carry a valid
@@ -966,6 +974,10 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
packet = &transport->packet;
sctp_packet_config(packet, vtag,
asoc->peer.ecn_capable);
+ /* We've switched transports, so apply the
+ * Burst limit to the new transport.
+ */
+ sctp_transport_burst_limited(transport);
}
SCTP_DEBUG_PRINTK("sctp_outq_flush(%p, %p[%s]), ",
@@ -1001,6 +1013,13 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
break;
case SCTP_XMIT_OK:
+ /* The sender is in the SHUTDOWN-PENDING state,
+ * The sender MAY set the I-bit in the DATA
+ * chunk header.
+ */
+ if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING)
+ chunk->chunk_hdr->flags |= SCTP_DATA_SACK_IMM;
+
break;
default:
@@ -1053,6 +1072,9 @@ sctp_flush_out:
packet = &t->packet;
if (!sctp_packet_empty(packet))
error = sctp_packet_transmit(packet);
+
+ /* Clear the burst limited state, if any */
+ sctp_transport_burst_reset(t);
}
return error;