sctp: implement the sender side for SACK-IMMEDIATELY extension

[pandora-kernel.git] / net / sctp / outqueue.c

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index c9f20e2..5732661 100644 (file)
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -1011,6 +1011,13 @@ 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: