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Bluetooth: Add retransmission effort into SCO parameter table

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It is expected that new parameter combinations will have the
retransmission effort value different between some entries (mainly
because of the new S4 configuration added by HFP 1.7), so it makes sense
to move it into the table instead of having it hard coded based on the
selected SCO_AIRMODE_*.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-09-24 22:41:46 +03:00 committed by Marcel Holtmann
parent f19f4f9525
commit c7da579763
1 changed files with 11 additions and 12 deletions
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23
net/bluetooth/hci_conn.c
View File

@ -36,24 +36,25 @@
struct sco_param {
u16 pkt_type;
u16 max_latency;
u8 retrans_effort;
};
static const struct sco_param esco_param_cvsd[] = {
{ EDR_ESCO_MASK & ~ESCO_2EV3, 0x000a }, /* S3 */
{ EDR_ESCO_MASK & ~ESCO_2EV3, 0x0007 }, /* S2 */
{ EDR_ESCO_MASK | ESCO_EV3, 0x0007 }, /* S1 */
{ EDR_ESCO_MASK | ESCO_HV3, 0xffff }, /* D1 */
{ EDR_ESCO_MASK | ESCO_HV1, 0xffff }, /* D0 */
{ EDR_ESCO_MASK & ~ESCO_2EV3, 0x000a, 0x01 }, /* S3 */
{ EDR_ESCO_MASK & ~ESCO_2EV3, 0x0007, 0x01 }, /* S2 */
{ EDR_ESCO_MASK | ESCO_EV3, 0x0007, 0x01 }, /* S1 */
{ EDR_ESCO_MASK | ESCO_HV3, 0xffff, 0x01 }, /* D1 */
{ EDR_ESCO_MASK | ESCO_HV1, 0xffff, 0x01 }, /* D0 */
};
static const struct sco_param sco_param_cvsd[] = {
{ EDR_ESCO_MASK | ESCO_HV3, 0xffff }, /* D1 */
{ EDR_ESCO_MASK | ESCO_HV1, 0xffff }, /* D0 */
{ EDR_ESCO_MASK | ESCO_HV3, 0xffff, 0xff }, /* D1 */
{ EDR_ESCO_MASK | ESCO_HV1, 0xffff, 0xff }, /* D0 */
};
static const struct sco_param sco_param_wideband[] = {
{ EDR_ESCO_MASK & ~ESCO_2EV3, 0x000d }, /* T2 */
{ EDR_ESCO_MASK | ESCO_EV3, 0x0008 }, /* T1 */
{ EDR_ESCO_MASK & ~ESCO_2EV3, 0x000d, 0x02 }, /* T2 */
{ EDR_ESCO_MASK | ESCO_EV3, 0x0008, 0x02 }, /* T1 */
};
static void hci_le_create_connection_cancel(struct hci_conn *conn)
@ -208,19 +209,16 @@ bool hci_setup_sync(struct hci_conn *conn, __u16 handle)
case SCO_AIRMODE_TRANSP:
if (conn->attempt > ARRAY_SIZE(sco_param_wideband))
return false;
cp.retrans_effort = 0x02;
param = &sco_param_wideband[conn->attempt - 1];
break;
case SCO_AIRMODE_CVSD:
if (lmp_esco_capable(conn->link)) {
if (conn->attempt > ARRAY_SIZE(esco_param_cvsd))
return false;
cp.retrans_effort = 0x01;
param = &esco_param_cvsd[conn->attempt - 1];
} else {
if (conn->attempt > ARRAY_SIZE(sco_param_cvsd))
return false;
cp.retrans_effort = 0xff;
param = &sco_param_cvsd[conn->attempt - 1];
}
break;
@ -228,6 +226,7 @@ bool hci_setup_sync(struct hci_conn *conn, __u16 handle)
return false;
}
cp.retrans_effort = param->retrans_effort;
cp.pkt_type = __cpu_to_le16(param->pkt_type);
cp.max_latency = __cpu_to_le16(param->max_latency);