Bluetooth: Trasmit interrupt channel messages first
interrupt channel is low latency.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 2694a0a..6cb1d9e 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -663,7 +663,24 @@
return kernel_sendmsg(sock, &msg, &iv, 1, len);
}
-static void hidp_process_transmit(struct hidp_session *session)
+static void hidp_process_intr_transmit(struct hidp_session *session)
+{
+ struct sk_buff *skb;
+
+ BT_DBG("session %p", session);
+
+ while ((skb = skb_dequeue(&session->intr_transmit))) {
+ if (hidp_send_frame(session->intr_sock, skb->data, skb->len) < 0) {
+ skb_queue_head(&session->intr_transmit, skb);
+ break;
+ }
+
+ hidp_set_timer(session);
+ kfree_skb(skb);
+ }
+}
+
+static void hidp_process_ctrl_transmit(struct hidp_session *session)
{
struct sk_buff *skb;
@@ -678,16 +695,6 @@
hidp_set_timer(session);
kfree_skb(skb);
}
-
- while ((skb = skb_dequeue(&session->intr_transmit))) {
- if (hidp_send_frame(session->intr_sock, skb->data, skb->len) < 0) {
- skb_queue_head(&session->intr_transmit, skb);
- break;
- }
-
- hidp_set_timer(session);
- kfree_skb(skb);
- }
}
static int hidp_session(void *arg)
@@ -722,6 +729,8 @@
kfree_skb(skb);
}
+ hidp_process_intr_transmit(session);
+
while ((skb = skb_dequeue(&ctrl_sk->sk_receive_queue))) {
skb_orphan(skb);
if (!skb_linearize(skb))
@@ -730,7 +739,7 @@
kfree_skb(skb);
}
- hidp_process_transmit(session);
+ hidp_process_ctrl_transmit(session);
schedule();
set_current_state(TASK_INTERRUPTIBLE);