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Commit 679344e4 authored by Gustavo Padovan's avatar Gustavo Padovan
Browse files

Bluetooth: Trasmit interrupt channel messages first 



interrupt channel is low latency.

Signed-off-by: default avatarGustavo F. Padovan <padovan@profusion.mobi>
parent dc0da5cd

net/bluetooth/hidp/core.c

+17 −8
Original line number Diff line number Diff line
@@ -663,25 +663,32 @@ static int hidp_send_frame(struct socket *sock, unsigned char *data, int len) 
	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->ctrl_transmit))) {

		if (hidp_send_frame(session->ctrl_sock, skb->data, skb->len) < 0) {

			skb_queue_head(&session->ctrl_transmit, 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);

	}

}



	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);

static void hidp_process_ctrl_transmit(struct hidp_session *session)

{

	struct sk_buff *skb;



	BT_DBG("session %p", session);



	while ((skb = skb_dequeue(&session->ctrl_transmit))) {

		if (hidp_send_frame(session->ctrl_sock, skb->data, skb->len) < 0) {

			skb_queue_head(&session->ctrl_transmit, skb);

			break;

		}
@@ -722,6 +729,8 @@ static int hidp_session(void *arg) 
				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 @@ static int hidp_session(void *arg) 
				kfree_skb(skb);

		}



		hidp_process_transmit(session);

		hidp_process_ctrl_transmit(session);



		schedule();

		set_current_state(TASK_INTERRUPTIBLE);