From c1b4f43be01c2a363be021485dd18cca33cfab8a Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Sat, 1 May 2010 16:15:39 -0300 Subject: Bluetooth: Add timer to Acknowledge I-frames MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We ack I-frames on each txWindow/5 I-frames received, but if the sender stop to send I-frames and it's not a txWindow multiple we can leave some frames unacked. So I added a timer to ack I-frames on this case. The timer expires in 200ms. Signed-off-by: Gustavo F. Padovan Reviewed-by: João Paulo Rechi Vita Signed-off-by: Marcel Holtmann --- include/net/bluetooth/l2cap.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/net/bluetooth') diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index d9c20c3d6f3d..48f10f46c73d 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -35,6 +35,7 @@ #define L2CAP_DEFAULT_RETRANS_TO 1000 /* 1 second */ #define L2CAP_DEFAULT_MONITOR_TO 12000 /* 12 seconds */ #define L2CAP_DEFAULT_MAX_PDU_SIZE 672 +#define L2CAP_DEFAULT_ACK_TO 200 #define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */ #define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */ @@ -348,6 +349,7 @@ struct l2cap_pinfo { struct timer_list retrans_timer; struct timer_list monitor_timer; + struct timer_list ack_timer; struct sk_buff_head tx_queue; struct sk_buff_head srej_queue; struct srej_list srej_l; @@ -382,6 +384,8 @@ struct l2cap_pinfo { jiffies + msecs_to_jiffies(L2CAP_DEFAULT_RETRANS_TO)); #define __mod_monitor_timer() mod_timer(&l2cap_pi(sk)->monitor_timer, \ jiffies + msecs_to_jiffies(L2CAP_DEFAULT_MONITOR_TO)); +#define __mod_ack_timer() mod_timer(&l2cap_pi(sk)->ack_timer, \ + jiffies + msecs_to_jiffies(L2CAP_DEFAULT_ACK_TO)); static inline int l2cap_tx_window_full(struct sock *sk) { -- cgit v1.2.2