sctp: start t5 timer only when peer rwnd is 0 and local state is SHUTDOWN_PENDING

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

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 14c2b06..7b28546 100644 (file)
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -205,6 +205,8 @@ static inline int sctp_cacc_skip(struct sctp_transport *primary,
  */
 void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q)
 {
+       memset(q, 0, sizeof(struct sctp_outq));
+
        q->asoc = asoc;
        INIT_LIST_HEAD(&q->out_chunk_list);
        INIT_LIST_HEAD(&q->control_chunk_list);
@@ -212,18 +214,12 @@ void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q)
        INIT_LIST_HEAD(&q->sacked);
        INIT_LIST_HEAD(&q->abandoned);
 
-       q->fast_rtx = 0;
-       q->outstanding_bytes = 0;
        q->empty = 1;
-       q->cork  = 0;
-
-       q->malloced = 0;
-       q->out_qlen = 0;
 }
 
 /* Free the outqueue structure and any related pending chunks.
  */
-void sctp_outq_teardown(struct sctp_outq *q)
+static void __sctp_outq_teardown(struct sctp_outq *q)
 {
        struct sctp_transport *transport;
        struct list_head *lchunk, *temp;
@@ -276,8 +272,6 @@ void sctp_outq_teardown(struct sctp_outq *q)
                sctp_chunk_free(chunk);
        }
 
-       q->error = 0;
-
        /* Throw away any leftover control chunks. */
        list_for_each_entry_safe(chunk, tmp, &q->control_chunk_list, list) {
                list_del_init(&chunk->list);
@@ -285,11 +279,17 @@ void sctp_outq_teardown(struct sctp_outq *q)
        }
 }
 
+void sctp_outq_teardown(struct sctp_outq *q)
+{
+       __sctp_outq_teardown(q);
+       sctp_outq_init(q->asoc, q);
+}
+
 /* Free the outqueue structure and any related pending chunks.  */
 void sctp_outq_free(struct sctp_outq *q)
 {
        /* Throw away leftover chunks. */
-       sctp_outq_teardown(q);
+       __sctp_outq_teardown(q);
 
        /* If we were kmalloc()'d, free the memory.  */
        if (q->malloced)
@@ -411,8 +411,7 @@ void sctp_retransmit_mark(struct sctp_outq *q,
                                        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));
+                               q->asoc->peer.rwnd += sctp_data_size(chunk);
                        }
                        continue;
                }
@@ -432,8 +431,7 @@ void sctp_retransmit_mark(struct sctp_outq *q,
                         * (Section 7.2.4)), add the data size of those
                         * chunks to the rwnd.
                         */
-                       q->asoc->peer.rwnd += (sctp_data_size(chunk) +
-                                               sizeof(struct sk_buff));
+                       q->asoc->peer.rwnd += sctp_data_size(chunk);
                        q->outstanding_bytes -= sctp_data_size(chunk);
                        if (chunk->transport)
                                transport->flight_size -= sctp_data_size(chunk);
@@ -1267,6 +1265,7 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_sackhdr *sack)
         */
 
        sack_a_rwnd = ntohl(sack->a_rwnd);
+       asoc->peer.zero_window_announced = !sack_a_rwnd;
        outstanding = q->outstanding_bytes;
 
        if (outstanding < sack_a_rwnd)