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authorMat Martineau <mathewm@codeaurora.org>2012-05-17 20:53:45 -0700
committerJohan Hedberg <johan.hedberg@intel.com>2012-06-05 06:34:04 +0300
commit63838725c6478102894cfb88feb2a9b1c331855d (patch)
treea7cde0b9217c7da75d38155490c87a3ddf5447ef
parentbed68bde7ebdb591cc67921261307626c8f37936 (diff)
Bluetooth: Reassemble all available data when retransmissions succeed.
As retransmitted packets arrive, attempt to reassemble SDUs. If all requested retransmissions have been received, acknowledge them and transition back to the RECV state. Signed-off-by: Mat Martineau <mathewm@codeaurora.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
-rw-r--r--net/bluetooth/l2cap_core.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 5823697cf9d..fd324d4cb21 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -4504,8 +4504,36 @@ void l2cap_chan_busy(struct l2cap_chan *chan, int busy)
static int l2cap_rx_queued_iframes(struct l2cap_chan *chan)
{
- /* Placeholder */
- return 0;
+ int err = 0;
+ /* Pass sequential frames to l2cap_reassemble_sdu()
+ * until a gap is encountered.
+ */
+
+ BT_DBG("chan %p", chan);
+
+ while (!test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
+ struct sk_buff *skb;
+ BT_DBG("Searching for skb with txseq %d (queue len %d)",
+ chan->buffer_seq, skb_queue_len(&chan->srej_q));
+
+ skb = l2cap_ertm_seq_in_queue(&chan->srej_q, chan->buffer_seq);
+
+ if (!skb)
+ break;
+
+ skb_unlink(skb, &chan->srej_q);
+ chan->buffer_seq = __next_seq(chan, chan->buffer_seq);
+ err = l2cap_reassemble_sdu(chan, skb, &bt_cb(skb)->control);
+ if (err)
+ break;
+ }
+
+ if (skb_queue_empty(&chan->srej_q)) {
+ chan->rx_state = L2CAP_RX_STATE_RECV;
+ l2cap_send_ack(chan);
+ }
+
+ return err;
}
static void l2cap_handle_srej(struct l2cap_chan *chan,