Hi Mat, * Mat Martineau <mathewm@xxxxxxxxxxxxxx> [2010-08-04 15:48:59 -0700]: > The L2CAP spec requires that the ERTM retransmit timeout be at least 2 > seconds for BR/EDR connections. > > Signed-off-by: Mat Martineau <mathewm@xxxxxxxxxxxxxx> > --- > include/net/bluetooth/l2cap.h | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h > index 636724b..16e412f 100644 > --- a/include/net/bluetooth/l2cap.h > +++ b/include/net/bluetooth/l2cap.h > @@ -33,7 +33,7 @@ > #define L2CAP_DEFAULT_FLUSH_TO 0xffff > #define L2CAP_DEFAULT_TX_WINDOW 63 > #define L2CAP_DEFAULT_MAX_TX 3 > -#define L2CAP_DEFAULT_RETRANS_TO 1000 /* 1 second */ > +#define L2CAP_DEFAULT_RETRANS_TO 2000 /* 2 seconds */ > #define L2CAP_DEFAULT_MONITOR_TO 12000 /* 12 seconds */ > #define L2CAP_DEFAULT_MAX_PDU_SIZE 672 > #define L2CAP_DEFAULT_ACK_TO 200 The spec says that a 2 seconds retransmission timeout shall be used after a move channel operation in a BR/EDR radio. (section 8.6.2.3) For a normal ACL connection the default value is 1 second(section 8.6.2.1), so I prefer to keep L2CAP_DEFAULT_RETRANS_TO set to 1000. -- Gustavo F. Padovan http://padovan.org -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html