diff mbox series

[v6,7/7] Bluetooth: btusb: Detect if an ACL packet is in fact an ISO packet

Message ID 20220702001748.1003783-7-luiz.dentz@gmail.com (mailing list archive)
State Superseded
Headers show
Series [v6,1/7] Bluetooth: hci_core: Introduce hci_recv_event_data | expand

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tedd_an/pre-ci_am success Success
tedd_an/checkpatch success Checkpatch PASS
tedd_an/gitlint success Gitlint PASS
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Commit Message

Luiz Augusto von Dentz July 2, 2022, 12:17 a.m. UTC 
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

Fix up the packet type if ISO packets are sent over the bulk endpoint.

Note: This is a stopgap since the Bluetooth specification currently
doesn't define any endpoint to transport ISO packets.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
 drivers/bluetooth/btusb.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 28fbc5837f79..812a046f1b5e 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -896,11 +896,21 @@  static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
 		hci_skb_expect(skb) -= len;
 
 		if (skb->len == HCI_ACL_HDR_SIZE) {
+			__u16 handle = __le16_to_cpu(hci_acl_hdr(skb)->handle);
 			__le16 dlen = hci_acl_hdr(skb)->dlen;
+			__u8 type;
 
 			/* Complete ACL header */
 			hci_skb_expect(skb) = __le16_to_cpu(dlen);
 
+			/* Detect if ISO packet has been sent over bulk */
+			if (hci_conn_num(data->hdev, ISO_LINK)) {
+				type = hci_conn_lookup_type(data->hdev,
+							    hci_handle(handle));
+				if (type == ISO_LINK)
+					hci_skb_pkt_type(skb) = HCI_ISODATA_PKT;
+			}
+
 			if (skb_tailroom(skb) < hci_skb_expect(skb)) {
 				kfree_skb(skb);
 				skb = NULL;