Bluetooth: Split bt_iso_qos into dedicated structures

Split bt_iso_qos into dedicated unicast and broadcast
structures and add additional broadcast parameters.

Fixes: eca0ae4 ("Bluetooth: Add initial implementation of BIS connections")
Signed-off-by: Iulia Tanasescu <iulia.tanasescu@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

include/net/bluetooth/bluetooth.h

@@ -1,6 +1,7 @@
 /*
    BlueZ - Bluetooth protocol stack for Linux
    Copyright (C) 2000-2001 Qualcomm Incorporated
+   Copyright 2023 NXP
 
    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
 
@@ -171,23 +172,39 @@ struct bt_iso_io_qos {
 	__u8  rtn;
 };
 
-struct bt_iso_qos {
-	union {
-		__u8  cig;
-		__u8  big;
-	};
-	union {
-		__u8  cis;
-		__u8  bis;
-	};
-	union {
-		__u8  sca;
-		__u8  sync_interval;
-	};
+struct bt_iso_ucast_qos {
+	__u8  cig;
+	__u8  cis;
+	__u8  sca;
+	__u8  packing;
+	__u8  framing;
+	struct bt_iso_io_qos in;
+	struct bt_iso_io_qos out;
+};
+
+struct bt_iso_bcast_qos {
+	__u8  big;
+	__u8  bis;
+	__u8  sync_interval;
 	__u8  packing;
 	__u8  framing;
 	struct bt_iso_io_qos in;
 	struct bt_iso_io_qos out;
+	__u8  encryption;
+	__u8  bcode[16];
+	__u8  options;
+	__u16 skip;
+	__u16 sync_timeout;
+	__u8  sync_cte_type;
+	__u8  mse;
+	__u16 timeout;
+};
+
+struct bt_iso_qos {
+	union {
+		struct bt_iso_ucast_qos ucast;
+		struct bt_iso_bcast_qos bcast;
+	};
 };
 
 #define BT_ISO_PHY_1M		0x01

include/net/bluetooth/hci_core.h

@@ -1,6 +1,7 @@
 /*
    BlueZ - Bluetooth protocol stack for Linux
    Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
+   Copyright 2023 NXP
 
    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
 
@@ -1096,7 +1097,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
 		if (bacmp(&c->dst, ba) || c->type != ISO_LINK)
 			continue;
 
-		if (c->iso_qos.big == big && c->iso_qos.bis == bis) {
+		if (c->iso_qos.bcast.big == big && c->iso_qos.bcast.bis == bis) {
 			rcu_read_unlock();
 			return c;
 		}
@@ -1205,7 +1206,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev,
 		if (c->type != ISO_LINK)
 			continue;
 
-		if (handle == c->iso_qos.cig) {
+		if (handle == c->iso_qos.ucast.cig) {
 			rcu_read_unlock();
 			return c;
 		}
@@ -1228,7 +1229,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
 		if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK)
 			continue;
 
-		if (handle == c->iso_qos.big) {
+		if (handle == c->iso_qos.bcast.big) {
 			rcu_read_unlock();
 			return c;
 		}
@@ -1337,7 +1338,7 @@ struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
 				 __u8 dst_type, struct bt_iso_qos *qos,
 				 __u8 data_len, __u8 *data);
 int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
-		       __u8 sid);
+		       __u8 sid, struct bt_iso_qos *qos);
 int hci_le_big_create_sync(struct hci_dev *hdev, struct bt_iso_qos *qos,
 			   __u16 sync_handle, __u8 num_bis, __u8 bis[]);
 int hci_conn_check_link_mode(struct hci_conn *conn);