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Bluetooth: A2MP: Process A2MP Get AMP Assoc Request

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Example trace when receiving AMP Assoc Request with wrong AMP id.
...
> ACL data: handle 11 flags 0x02 dlen 13
    A2MP: Get AMP Assoc req: id 238
< ACL data: handle 11 flags 0x00 dlen 14
    A2MP: Get AMP Assoc rsp: id 238 status (1) Invalid Controller ID
      assoc data:
...

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Andrei Emeltchenko 2012-05-29 13:59:12 +03:00 committed by Johan Hedberg
parent 47f2d97d38
commit a28381dc9c
1 changed files with 35 additions and 0 deletions
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35
net/bluetooth/a2mp.c
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@ -211,6 +211,38 @@ static int a2mp_getinfo_req(struct amp_mgr *mgr, struct sk_buff *skb,
return 0;
}
static int a2mp_getampassoc_req(struct amp_mgr *mgr, struct sk_buff *skb,
struct a2mp_cmd *hdr)
{
struct a2mp_amp_assoc_req *req = (void *) skb->data;
struct hci_dev *hdev;
if (le16_to_cpu(hdr->len) < sizeof(*req))
return -EINVAL;
BT_DBG("id %d", req->id);
hdev = hci_dev_get(req->id);
if (!hdev || hdev->amp_type == HCI_BREDR) {
struct a2mp_amp_assoc_rsp rsp;
rsp.id = req->id;
rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
a2mp_send(mgr, A2MP_GETAMPASSOC_RSP, hdr->ident, sizeof(rsp),
&rsp);
goto clean;
}
/* Placeholder for HCI Read AMP Assoc */
clean:
if (hdev)
hci_dev_put(hdev);
skb_pull(skb, sizeof(*req));
return 0;
}
/* Handle A2MP signalling */
static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
{
@ -253,6 +285,9 @@ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
break;
case A2MP_GETAMPASSOC_REQ:
err = a2mp_getampassoc_req(mgr, skb, hdr);
break;
case A2MP_CREATEPHYSLINK_REQ:
case A2MP_DISCONNPHYSLINK_REQ:
case A2MP_CHANGE_RSP: