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Bluetooth: Reassemble all available data when retransmissions succeed.

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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>
This commit is contained in:
Mat Martineau 2012-05-17 20:53:45 -07:00 committed by Johan Hedberg
parent bed68bde7e
commit 63838725c6
1 changed files with 30 additions and 2 deletions
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32
net/bluetooth/l2cap_core.c
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@ -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,