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authorGustavo F. Padovan <padovan@profusion.mobi>2011-10-06 20:51:37 -0300
committerGustavo F. Padovan <padovan@profusion.mobi>2011-10-06 23:15:04 -0300
commit679344e44e09c74848535a28948df7c3b3c1a071 (patch)
tree6641d10bf3db2adf038e27d320bea70bd40c10e7 /net/bluetooth/hidp
parentdc0da5cdac44aea6a04b18acc5526931430e0c35 (diff)
downloadlinux-679344e44e09c74848535a28948df7c3b3c1a071.tar.bz2
Bluetooth: Trasmit interrupt channel messages first
interrupt channel is low latency. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth/hidp')
-rw-r--r--net/bluetooth/hidp/core.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 2694a0a6186d..6cb1d9e8eac5 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -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);