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| author | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2019-10-28 20:25:02 +0200 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2022-07-22 17:14:37 -0700 |
| commit | 14202eff214e1e941fefa0366d4c3bc4b1a0d500 (patch) | |
| tree | b4d2a080075ca38e475d99e270cbe37a0d98ca16 /drivers/bluetooth | |
| parent | 70405f02728e657c32ccfb1d3a2f6a801a948c77 (diff) | |
| download | lwn-14202eff214e1e941fefa0366d4c3bc4b1a0d500.tar.gz lwn-14202eff214e1e941fefa0366d4c3bc4b1a0d500.zip | |
Bluetooth: btusb: Detect if an ACL packet is in fact an ISO packet
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>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 2f4231f9317d..15caa6469538 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -911,11 +911,21 @@ 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; |