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Bluetooth: ISO: Match QoS adv handle with BIG handle

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In case the user binds multiple sockets for the same BIG, the BIG
handle should be matched with the associated adv handle, if it has
already been allocated previously.

Signed-off-by: Iulia Tanasescu <iulia.tanasescu@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Iulia Tanasescu 2023-10-03 17:37:39 +03:00 committed by Luiz Augusto von Dentz
parent 31ca583b38
commit 71b7bb48b9
1 changed files with 12 additions and 0 deletions
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12
net/bluetooth/hci_conn.c
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@ -1494,6 +1494,18 @@ static int qos_set_bis(struct hci_dev *hdev, struct bt_iso_qos *qos)
/* Allocate BIS if not set */
if (qos->bcast.bis == BT_ISO_QOS_BIS_UNSET) {
if (qos->bcast.big != BT_ISO_QOS_BIG_UNSET) {
conn = hci_conn_hash_lookup_big(hdev, qos->bcast.big);
if (conn) {
/* If the BIG handle is already matched to an advertising
* handle, do not allocate a new one.
*/
qos->bcast.bis = conn->iso_qos.bcast.bis;
return 0;
}
}
/* Find an unused adv set to advertise BIS, skip instance 0x00
* since it is reserved as general purpose set.
*/