From 679344e44e09c74848535a28948df7c3b3c1a071 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Thu, 6 Oct 2011 20:51:37 -0300 Subject: [PATCH] Bluetooth: Trasmit interrupt channel messages first interrupt channel is low latency. Signed-off-by: Gustavo F. Padovan --- net/bluetooth/hidp/core.c | 33 +++++++++++++++++++++------------ 1 file changed, 21 insertions(+), 12 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 @@ -663,7 +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);