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Commit 9a5e94db authored by Andrei Emeltchenko's avatar Andrei Emeltchenko Committed by Gustavo Padovan
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Bluetooth: A2MP: Process A2MP Get AMP Assoc Rsp 



When receiving A2MP Get AMP Assoc Response save assoc data to remote
AMP controller list and prepare for creating physical link.

Signed-off-by: default avatarAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: default avatarGustavo Padovan <gustavo.padovan@collabora.co.uk>
parent 0d868de9

net/bluetooth/a2mp.c

+59 −1
Original line number Diff line number Diff line
@@ -343,6 +343,61 @@ static int a2mp_getampassoc_req(struct amp_mgr *mgr, struct sk_buff *skb, 
	return 0;

}



static int a2mp_getampassoc_rsp(struct amp_mgr *mgr, struct sk_buff *skb,

				struct a2mp_cmd *hdr)

{

	struct a2mp_amp_assoc_rsp *rsp = (void *) skb->data;

	u16 len = le16_to_cpu(hdr->len);

	struct hci_dev *hdev;

	struct amp_ctrl *ctrl;

	struct hci_conn *hcon;



	if (len < sizeof(*rsp))

		return -EINVAL;



	BT_DBG("id %d status 0x%2.2x assoc len %u", rsp->id, rsp->status,

	       len - sizeof(*rsp));



	if (rsp->status)

		return -EINVAL;



	/* Save remote ASSOC data */

	ctrl = amp_ctrl_lookup(mgr, rsp->id);

	if (ctrl) {

		u8 *assoc, assoc_len = len - sizeof(*rsp);



		assoc = kzalloc(assoc_len, GFP_KERNEL);

		if (!assoc) {

			amp_ctrl_put(ctrl);

			return -ENOMEM;

		}



		memcpy(assoc, rsp->amp_assoc, assoc_len);

		ctrl->assoc = assoc;

		ctrl->assoc_len = assoc_len;

		ctrl->assoc_rem_len = assoc_len;

		ctrl->assoc_len_so_far = 0;



		amp_ctrl_put(ctrl);

	}



	/* Create Phys Link */

	hdev = hci_dev_get(rsp->id);

	if (!hdev)

		return -EINVAL;



	hcon = phylink_add(hdev, mgr, rsp->id);

	if (!hcon)

		goto done;



	BT_DBG("Created hcon %p: loc:%d -> rem:%d", hcon, hdev->id, rsp->id);



done:

	hci_dev_put(hdev);

	skb_pull(skb, len);

	return 0;

}



static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,

				   struct a2mp_cmd *hdr)

{
@@ -502,8 +557,11 @@ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb) 
			err = a2mp_getinfo_rsp(mgr, skb, hdr);

			break;



		case A2MP_CHANGE_RSP:

		case A2MP_GETAMPASSOC_RSP:

			err = a2mp_getampassoc_rsp(mgr, skb, hdr);

			break;



		case A2MP_CHANGE_RSP:

		case A2MP_CREATEPHYSLINK_RSP:

		case A2MP_DISCONNPHYSLINK_RSP:

			err = a2mp_cmd_rsp(mgr, skb, hdr);