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Bluetooth: Add RFCOMM option to use L2CAP ERTM mode

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By default the RFCOMM layer would still use L2CAP basic mode. For testing
purposes this option enables RFCOMM to select enhanced retransmission
mode.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2009-10-05 12:23:48 +02:00
parent 5fbcd3d1a0
commit eae38eede2
1 changed files with 6 additions and 0 deletions
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6
net/bluetooth/rfcomm/core.c
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@ -51,6 +51,7 @@
static int disable_cfc = 0; static int disable_cfc = 0;
static int channel_mtu = -1; static int channel_mtu = -1;
static unsigned int l2cap_mtu = RFCOMM_MAX_L2CAP_MTU; static unsigned int l2cap_mtu = RFCOMM_MAX_L2CAP_MTU;
static int l2cap_ertm = 0;
static struct task_struct *rfcomm_thread; static struct task_struct *rfcomm_thread;
@ -702,6 +703,8 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
sk = sock->sk; sk = sock->sk;
lock_sock(sk); lock_sock(sk);
l2cap_pi(sk)->imtu = l2cap_mtu; l2cap_pi(sk)->imtu = l2cap_mtu;
if (l2cap_ertm)
l2cap_pi(sk)->mode = L2CAP_MODE_ERTM;
release_sock(sk); release_sock(sk);
s = rfcomm_session_add(sock, BT_BOUND); s = rfcomm_session_add(sock, BT_BOUND);
@ -2185,6 +2188,9 @@ MODULE_PARM_DESC(channel_mtu, "Default MTU for the RFCOMM channel");
module_param(l2cap_mtu, uint, 0644); module_param(l2cap_mtu, uint, 0644);
MODULE_PARM_DESC(l2cap_mtu, "Default MTU for the L2CAP connection"); MODULE_PARM_DESC(l2cap_mtu, "Default MTU for the L2CAP connection");
module_param(l2cap_ertm, bool, 0644);
MODULE_PARM_DESC(l2cap_ertm, "Use L2CAP ERTM mode for connection");
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth RFCOMM ver " VERSION); MODULE_DESCRIPTION("Bluetooth RFCOMM ver " VERSION);
MODULE_VERSION(VERSION); MODULE_VERSION(VERSION);