Bluetooth: Fix RFCOMM RPN negotiation
According to the ETSI 3GPP TS 07.10 the default bit rate value for RFCOMM
is 9600 bit/s. Return this bit rate in case of RPN request and accept other
sane bit rates proposed by the sender in RPM command.
Signed-off-by: Yuri Kululin <ext-yuri.kululin@nokia.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 15ea84b..b464843 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -1415,8 +1415,8 @@
return 0;
if (len == 1) {
- /* This is a request, return default settings */
- bit_rate = RFCOMM_RPN_BR_115200;
+ /* This is a request, return default (according to ETSI TS 07.10) settings */
+ bit_rate = RFCOMM_RPN_BR_9600;
data_bits = RFCOMM_RPN_DATA_8;
stop_bits = RFCOMM_RPN_STOP_1;
parity = RFCOMM_RPN_PARITY_NONE;
@@ -1431,9 +1431,9 @@
if (rpn->param_mask & cpu_to_le16(RFCOMM_RPN_PM_BITRATE)) {
bit_rate = rpn->bit_rate;
- if (bit_rate != RFCOMM_RPN_BR_115200) {
+ if (bit_rate > RFCOMM_RPN_BR_230400) {
BT_DBG("RPN bit rate mismatch 0x%x", bit_rate);
- bit_rate = RFCOMM_RPN_BR_115200;
+ bit_rate = RFCOMM_RPN_BR_9600;
rpn_mask ^= RFCOMM_RPN_PM_BITRATE;
}
}