bluetooth: Add SCO parameters support for socket

Adds ability to setup SCO connection parameters through socket option.

ST-Ericsson Linux next: Not tested, ER 256277
ST-Ericsson ID: 256277
ST-Ericsson FOSS-OUT ID: STETL-FOSS-OUT-10137

Change-Id: If859341019fd9f7cc7c0efe95750779e84fac801
Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/30136
Reviewed-by: Par-Gunnar HJALMDAHL <par-gunnar.p.hjalmdahl@stericsson.com>
Tested-by: Par-Gunnar HJALMDAHL <par-gunnar.p.hjalmdahl@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Signed-off-by: Robert Marklund <robert.marklund@stericsson.com>

4 files changed, 39 insertions, 3 deletions

diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index a65910bda38..e386498b347 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -118,6 +118,18 @@ int bt_err(const char *fmt, ...);
 #define BT_ERR(fmt, ...)	bt_err(fmt "\n", ##__VA_ARGS__)
 #define BT_DBG(fmt, ...)	pr_debug(fmt "\n", ##__VA_ARGS__)
 
+#define BT_SCO_PARAMETERS	8
+struct bt_sco_parameters {
+	__u32 tx_bandwidth;
+	__u32 rx_bandwidth;
+	__u16 max_latency;
+	__u16 voice_setting;
+	__u8  retrans_effort;
+	__u16 pkt_type;
+} __packed;
+
+#define BT_NO_AUTORETRY	9
+
 /* Connection and socket states */
 enum {
 	BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index d47e523c9d8..15da4460f24 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -176,6 +176,8 @@ enum {
 
 #define SCO_ESCO_MASK  (ESCO_HV1 | ESCO_HV2 | ESCO_HV3)
 #define EDR_ESCO_MASK  (ESCO_2EV3 | ESCO_3EV3 | ESCO_2EV5 | ESCO_3EV5)
+#define ALL_ESCO_MASK  (SCO_ESCO_MASK | ESCO_EV3 | ESCO_EV4 | ESCO_EV5 | \
+			EDR_ESCO_MASK)
 
 /* ACL flags */
 #define ACL_START_NO_FLUSH	0x00
@@ -458,6 +460,21 @@ struct hci_cp_setup_sync_conn {
 	__le16   pkt_type;
 } __packed;
 
+/* Air coding format types */
+#define HCI_SYNC_AIR_CODING_CVSD	0x00
+#define HCI_SYNC_AIR_CODING_ULAW	0x01
+#define HCI_SYNC_AIR_CODING_ALAW	0x02
+#define HCI_SYNC_AIR_CODING_TRANSPARENT	0x03
+
+/* Max latency constants */
+#define HCI_SYNC_MAX_LATENCY_DONTCARE	0xffff
+
+/* Retransmission effort constants */
+#define HCI_SYNC_RETRANS_EFFORT_NO	0x00
+#define HCI_SYNC_RETRANS_EFFORT_POWER	0x01
+#define HCI_SYNC_RETRANS_EFFORT_QUALITY	0x02
+#define HCI_SYNC_RETRANS_EFFORT_DONTCARE	0xff
+
 #define HCI_OP_ACCEPT_SYNC_CONN_REQ	0x0429
 struct hci_cp_accept_sync_conn_req {
 	bdaddr_t bdaddr;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index db1c5df4522..096ac5ec898 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -296,6 +296,7 @@ struct hci_conn {
 	__u8		type;
 	bool		out;
 	__u8		attempt;
+	__u8		no_autoretry;
 	__u8		dev_class[3];
 	__u8		features[8];
 	__u16		interval;
@@ -333,6 +334,8 @@ struct hci_conn {
 	void		*sco_data;
 	void		*smp_conn;
 
+	struct bt_sco_parameters	*sco_parameters;
+
 	struct hci_conn	*link;
 
 	void (*connect_cfm_cb)	(struct hci_conn *conn, u8 status);
@@ -561,7 +564,8 @@ void hci_add_sco(struct hci_conn *conn, __u16 handle);
 void hci_setup_sync(struct hci_conn *conn, __u16 handle);
 void hci_sco_setup(struct hci_conn *conn, __u8 status);
 
-struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
+struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type,
+					 bdaddr_t *dst);
 int hci_conn_del(struct hci_conn *conn);
 void hci_conn_hash_flush(struct hci_dev *hdev);
 void hci_conn_check_pending(struct hci_dev *hdev);
@@ -571,7 +575,8 @@ int hci_chan_del(struct hci_chan *chan);
 void hci_chan_list_flush(struct hci_conn *conn);
 
 struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
-						__u8 sec_level, __u8 auth_type);
+						__u8 sec_level, __u8 auth_type,
+						struct bt_sco_parameters *sco_parameters);
 int hci_conn_check_link_mode(struct hci_conn *conn);
 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
diff --git a/include/net/bluetooth/sco.h b/include/net/bluetooth/sco.h
index 1e35c43657c..e6b5a94f7e8 100644
--- a/include/net/bluetooth/sco.h
+++ b/include/net/bluetooth/sco.h
@@ -72,7 +72,9 @@ struct sco_conn {
 
 struct sco_pinfo {
 	struct bt_sock	bt;
-	__u32		flags;
+	struct bt_sco_parameters	param;
+	__u8	no_autoretry;
+
 	struct sco_conn	*conn;
 };