Bluetooth: Trasmit interrupt channel messages first
interrupt channel is low latency. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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dc0da5cdac
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@ -663,7 +663,24 @@ static int hidp_send_frame(struct socket *sock, unsigned char *data, int len)
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return kernel_sendmsg(sock, &msg, &iv, 1, len);
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}
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static void hidp_process_transmit(struct hidp_session *session)
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static void hidp_process_intr_transmit(struct hidp_session *session)
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{
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struct sk_buff *skb;
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BT_DBG("session %p", session);
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while ((skb = skb_dequeue(&session->intr_transmit))) {
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if (hidp_send_frame(session->intr_sock, skb->data, skb->len) < 0) {
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skb_queue_head(&session->intr_transmit, skb);
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break;
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}
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hidp_set_timer(session);
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kfree_skb(skb);
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}
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}
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static void hidp_process_ctrl_transmit(struct hidp_session *session)
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{
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struct sk_buff *skb;
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@ -678,16 +695,6 @@ static void hidp_process_transmit(struct hidp_session *session)
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hidp_set_timer(session);
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kfree_skb(skb);
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}
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while ((skb = skb_dequeue(&session->intr_transmit))) {
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if (hidp_send_frame(session->intr_sock, skb->data, skb->len) < 0) {
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skb_queue_head(&session->intr_transmit, skb);
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break;
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}
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hidp_set_timer(session);
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kfree_skb(skb);
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}
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}
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static int hidp_session(void *arg)
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@ -722,6 +729,8 @@ static int hidp_session(void *arg)
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kfree_skb(skb);
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}
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hidp_process_intr_transmit(session);
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while ((skb = skb_dequeue(&ctrl_sk->sk_receive_queue))) {
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skb_orphan(skb);
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if (!skb_linearize(skb))
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@ -730,7 +739,7 @@ static int hidp_session(void *arg)
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kfree_skb(skb);
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}
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hidp_process_transmit(session);
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hidp_process_ctrl_transmit(session);
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schedule();
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set_current_state(TASK_INTERRUPTIBLE);
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