Bluetooth: Add module parameter for txWindow size on L2CAP
authorGustavo F. Padovan <padovan@profusion.mobi>
Sat, 1 May 2010 19:15:41 +0000 (16:15 -0300)
committerMarcel Holtmann <marcel@holtmann.org>
Mon, 10 May 2010 07:28:50 +0000 (09:28 +0200)
Very useful for testing purposes.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
[jprvita@profusion.mobi: improved parameter description]
Signed-off-by: João Paulo Rechi Vita <jprvita@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
net/bluetooth/l2cap.c

index 0b0b237bb7863ef1d0bf5896bc4df9f7f2a50629..ff1466b21580bf4d1befc1f1ab9b72f2d06ebb50 100644 (file)
@@ -57,6 +57,7 @@
 
 static int enable_ertm = 0;
 static int max_transmit = L2CAP_DEFAULT_MAX_TX;
+static int tx_window = L2CAP_DEFAULT_TX_WINDOW;
 
 static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
 static u8 l2cap_fixed_chan[8] = { 0x02, };
@@ -791,7 +792,7 @@ static void l2cap_sock_init(struct sock *sk, struct sock *parent)
                pi->omtu = 0;
                pi->mode = L2CAP_MODE_BASIC;
                pi->fcs  = L2CAP_FCS_CRC16;
-               pi->tx_win = L2CAP_DEFAULT_TX_WINDOW;
+               pi->tx_win = tx_window;
                pi->sec_level = BT_SECURITY_LOW;
                pi->role_switch = 0;
                pi->force_reliable = 0;
@@ -4296,6 +4297,9 @@ MODULE_PARM_DESC(enable_ertm, "Enable enhanced retransmission mode");
 module_param(max_transmit, uint, 0644);
 MODULE_PARM_DESC(max_transmit, "Max transmit value (default = 3)");
 
+module_param(tx_window, uint, 0644);
+MODULE_PARM_DESC(tx_window, "Transmission window size value (default = 63)");
+
 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Bluetooth L2CAP ver " VERSION);
 MODULE_VERSION(VERSION);