redonkable/alistair23-linux
redonkable/alistair23-linux
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Bluetooth: Trasmit interrupt channel messages first

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interrupt channel is low latency.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Gustavo F. Padovan 2011-10-06 20:51:37 -03:00
parent dc0da5cdac
commit 679344e44e
1 changed files with 21 additions and 12 deletions
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33
net/bluetooth/hidp/core.c
View file

@ -663,7 +663,24 @@ 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->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 @@ static void hidp_process_transmit(struct hidp_session *session)
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 @@ 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);