1 files changed, 80 insertions, 5 deletions

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 88265d37aa72..ea798f07c5a2 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -668,6 +668,7 @@ struct hci_conn {
 	__u8		adv_instance;
 	__u16		handle;
 	__u16		sync_handle;
+	__u8		sid;
 	__u16		state;
 	__u16		mtu;
 	__u8		mode;
@@ -710,6 +711,9 @@ struct hci_conn {
 	__s8		tx_power;
 	__s8		max_tx_power;
 	struct bt_iso_qos iso_qos;
+	__u8		num_bis;
+	__u8		bis[HCI_MAX_ISO_BIS];
+
 	unsigned long	flags;
 
 	enum conn_reasons conn_reason;
@@ -945,8 +949,10 @@ enum {
 	HCI_CONN_PER_ADV,
 	HCI_CONN_BIG_CREATED,
 	HCI_CONN_CREATE_CIS,
+	HCI_CONN_CREATE_BIG_SYNC,
 	HCI_CONN_BIG_SYNC,
 	HCI_CONN_BIG_SYNC_FAILED,
+	HCI_CONN_CREATE_PA_SYNC,
 	HCI_CONN_PA_SYNC,
 	HCI_CONN_PA_SYNC_FAILED,
 };
@@ -1099,6 +1105,30 @@ static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
 	return NULL;
 }
 
+static inline struct hci_conn *hci_conn_hash_lookup_sid(struct hci_dev *hdev,
+							__u8 sid,
+							bdaddr_t *dst,
+							__u8 dst_type)
+{
+	struct hci_conn_hash *h = &hdev->conn_hash;
+	struct hci_conn  *c;
+
+	rcu_read_lock();
+
+	list_for_each_entry_rcu(c, &h->list, list) {
+		if (c->type != ISO_LINK  || bacmp(&c->dst, dst) ||
+		    c->dst_type != dst_type || c->sid != sid)
+			continue;
+
+		rcu_read_unlock();
+		return c;
+	}
+
+	rcu_read_unlock();
+
+	return NULL;
+}
+
 static inline struct hci_conn *
 hci_conn_hash_lookup_per_adv_bis(struct hci_dev *hdev,
 				 bdaddr_t *ba,
@@ -1255,7 +1285,17 @@ static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
 	rcu_read_lock();
 
 	list_for_each_entry_rcu(c, &h->list, list) {
-		if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK)
+		if (c->type != ISO_LINK)
+			continue;
+
+		/* An ISO_LINK hcon with BDADDR_ANY as destination
+		 * address is a Broadcast connection. A Broadcast
+		 * slave connection is associated with a PA train,
+		 * so the sync_handle can be used to differentiate
+		 * from unicast.
+		 */
+		if (bacmp(&c->dst, BDADDR_ANY) &&
+		    c->sync_handle == HCI_SYNC_HANDLE_INVALID)
 			continue;
 
 		if (handle == c->iso_qos.bcast.big) {
@@ -1270,6 +1310,30 @@ static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
 }
 
 static inline struct hci_conn *
+hci_conn_hash_lookup_big_sync_pend(struct hci_dev *hdev,
+				   __u8 handle, __u8 num_bis)
+{
+	struct hci_conn_hash *h = &hdev->conn_hash;
+	struct hci_conn  *c;
+
+	rcu_read_lock();
+
+	list_for_each_entry_rcu(c, &h->list, list) {
+		if (c->type != ISO_LINK)
+			continue;
+
+		if (handle == c->iso_qos.bcast.big && num_bis == c->num_bis) {
+			rcu_read_unlock();
+			return c;
+		}
+	}
+
+	rcu_read_unlock();
+
+	return NULL;
+}
+
+static inline struct hci_conn *
 hci_conn_hash_lookup_big_state(struct hci_dev *hdev, __u8 handle,  __u16 state)
 {
 	struct hci_conn_hash *h = &hdev->conn_hash;
@@ -1328,6 +1392,13 @@ hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle)
 		if (c->type != ISO_LINK)
 			continue;
 
+		/* Ignore the listen hcon, we are looking
+		 * for the child hcon that was created as
+		 * a result of the PA sync established event.
+		 */
+		if (c->state == BT_LISTEN)
+			continue;
+
 		if (c->sync_handle == sync_handle) {
 			rcu_read_unlock();
 			return c;
@@ -1445,6 +1516,8 @@ bool hci_setup_sync(struct hci_conn *conn, __u16 handle);
 void hci_sco_setup(struct hci_conn *conn, __u8 status);
 bool hci_iso_setup_path(struct hci_conn *conn);
 int hci_le_create_cis_pending(struct hci_dev *hdev);
+int hci_pa_create_sync_pending(struct hci_dev *hdev);
+int hci_le_big_create_sync_pending(struct hci_dev *hdev);
 int hci_conn_check_create_cis(struct hci_conn *conn);
 
 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
@@ -1871,8 +1944,8 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
 			   !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks))
 
 /* Use ext create connection if command is supported */
-#define use_ext_conn(dev) ((dev)->commands[37] & 0x80)
-
+#define use_ext_conn(dev) (((dev)->commands[37] & 0x80) && \
+	!test_bit(HCI_QUIRK_BROKEN_EXT_CREATE_CONN, &(dev)->quirks))
 /* Extended advertising support */
 #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV))
 
@@ -1885,8 +1958,10 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
  * C24: Mandatory if the LE Controller supports Connection State and either
  * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported
  */
-#define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \
-					 ext_adv_capable(dev))
+#define use_enhanced_conn_complete(dev) ((ll_privacy_capable(dev) || \
+					 ext_adv_capable(dev)) && \
+					 !test_bit(HCI_QUIRK_BROKEN_EXT_CREATE_CONN, \
+						 &(dev)->quirks))
 
 /* Periodic advertising support */
 #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV))