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Commit 6e1df6a6 authored by Andrei Emeltchenko's avatar Andrei Emeltchenko Committed by Gustavo Padovan
Browse files

Bluetooth: Process Create Chan Request 



Add processing L2CAP Create Chan Request. When channel is created
save associated high speed link hs_hcon.

Signed-off-by: default avatarAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: default avatarGustavo Padovan <gustavo.padovan@collabora.co.uk>
parent cf70ff22

net/bluetooth/l2cap_core.c

+43 −20
Original line number Diff line number Diff line
@@ -4237,7 +4237,9 @@ static int l2cap_create_channel_req(struct l2cap_conn *conn, 
				    u16 cmd_len, void *data)

{

	struct l2cap_create_chan_req *req = data;

	struct l2cap_create_chan_rsp rsp;

	struct l2cap_chan *chan;

	struct hci_dev *hdev;

	u16 psm, scid;



	if (cmd_len != sizeof(*req))
@@ -4251,36 +4253,57 @@ static int l2cap_create_channel_req(struct l2cap_conn *conn, 


	BT_DBG("psm 0x%2.2x, scid 0x%4.4x, amp_id %d", psm, scid, req->amp_id);



	if (req->amp_id) {

		struct hci_dev *hdev;

	/* For controller id 0 make BR/EDR connection */

	if (req->amp_id == HCI_BREDR_ID) {

		l2cap_connect(conn, cmd, data, L2CAP_CREATE_CHAN_RSP,

			      req->amp_id);

		return 0;

	}



	/* Validate AMP controller id */

	hdev = hci_dev_get(req->amp_id);

		if (!hdev || hdev->dev_type != HCI_AMP ||

		    !test_bit(HCI_UP, &hdev->flags)) {

			struct l2cap_create_chan_rsp rsp;

	if (!hdev)

		goto error;



			rsp.dcid = 0;

			rsp.scid = cpu_to_le16(scid);

			rsp.result = __constant_cpu_to_le16(L2CAP_CR_BAD_AMP);

			rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO);

	if (hdev->dev_type != HCI_AMP || !test_bit(HCI_UP, &hdev->flags)) {

		hci_dev_put(hdev);

		goto error;

	}



			l2cap_send_cmd(conn, cmd->ident, L2CAP_CREATE_CHAN_RSP,

				       sizeof(rsp), &rsp);

	chan = l2cap_connect(conn, cmd, data, L2CAP_CREATE_CHAN_RSP,

			     req->amp_id);

	if (chan) {

		struct amp_mgr *mgr = conn->hcon->amp_mgr;

		struct hci_conn *hs_hcon;



			if (hdev)

		hs_hcon = hci_conn_hash_lookup_ba(hdev, AMP_LINK, conn->dst);

		if (!hs_hcon) {

			hci_dev_put(hdev);



			return 0;

			return -EFAULT;

		}



		hci_dev_put(hdev);

		BT_DBG("mgr %p bredr_chan %p hs_hcon %p", mgr, chan, hs_hcon);



		chan->local_amp_id = req->amp_id;

		mgr->bredr_chan = chan;

		chan->hs_hcon = hs_hcon;

		conn->mtu = hdev->block_mtu;

	}



	chan = l2cap_connect(conn, cmd, data, L2CAP_CREATE_CHAN_RSP,

			     req->amp_id);

	hci_dev_put(hdev);



	return 0;



error:

	rsp.dcid = 0;

	rsp.scid = cpu_to_le16(scid);

	rsp.result = __constant_cpu_to_le16(L2CAP_CR_BAD_AMP);

	rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO);



	l2cap_send_cmd(conn, cmd->ident, L2CAP_CREATE_CHAN_RSP,

		       sizeof(rsp), &rsp);



	return -EFAULT;

}



static void l2cap_send_move_chan_req(struct l2cap_chan *chan, u8 dest_amp_id)