Commit 8a505b7f authored by Luiz Augusto von Dentz's avatar Luiz Augusto von Dentz Committed by Marcel Holtmann

Bluetooth: L2CAP: Add l2cap_le_flowctl_send

Consolidate code sending data to LE CoC channels and adds proper
accounting of packets sent, the remaining credits and how many packets
are queued.
Signed-off-by: default avatarLuiz Augusto von Dentz <luiz.von.dentz@intel.com>
Acked-by: default avatarJukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent f183e52b
......@@ -2425,6 +2425,22 @@ static int l2cap_segment_le_sdu(struct l2cap_chan *chan,
return 0;
}
static void l2cap_le_flowctl_send(struct l2cap_chan *chan)
{
int sent = 0;
BT_DBG("chan %p", chan);
while (chan->tx_credits && !skb_queue_empty(&chan->tx_q)) {
l2cap_do_send(chan, skb_dequeue(&chan->tx_q));
chan->tx_credits--;
sent++;
}
BT_DBG("Sent %d credits %u queued %u", sent, chan->tx_credits,
skb_queue_len(&chan->tx_q));
}
int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
{
struct sk_buff *skb;
......@@ -2472,10 +2488,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
skb_queue_splice_tail_init(&seg_queue, &chan->tx_q);
while (chan->tx_credits && !skb_queue_empty(&chan->tx_q)) {
l2cap_do_send(chan, skb_dequeue(&chan->tx_q));
chan->tx_credits--;
}
l2cap_le_flowctl_send(chan);
if (!chan->tx_credits)
chan->ops->suspend(chan);
......@@ -5567,10 +5580,8 @@ static inline int l2cap_le_credits(struct l2cap_conn *conn,
chan->tx_credits += credits;
while (chan->tx_credits && !skb_queue_empty(&chan->tx_q)) {
l2cap_do_send(chan, skb_dequeue(&chan->tx_q));
chan->tx_credits--;
}
/* Resume sending */
l2cap_le_flowctl_send(chan);
if (chan->tx_credits)
chan->ops->resume(chan);
......
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