mirror of https://gitee.com/openkylin/linux.git
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
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/*
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Copyright (c) 2010,2011 Code Aurora Forum. All rights reserved.
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Copyright (c) 2011,2012 Intel Corp.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2 and
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only version 2 as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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#include <net/bluetooth/l2cap.h>
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static struct l2cap_ops a2mp_chan_ops = {
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.name = "L2CAP A2MP channel",
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};
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static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn)
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{
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struct l2cap_chan *chan;
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int err;
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chan = l2cap_chan_create();
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if (!chan)
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return NULL;
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BT_DBG("chan %p", chan);
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hci_conn_hold(conn->hcon);
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chan->omtu = L2CAP_A2MP_DEFAULT_MTU;
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chan->imtu = L2CAP_A2MP_DEFAULT_MTU;
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chan->flush_to = L2CAP_DEFAULT_FLUSH_TO;
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chan->ops = &a2mp_chan_ops;
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l2cap_chan_set_defaults(chan);
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chan->remote_max_tx = chan->max_tx;
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chan->remote_tx_win = chan->tx_win;
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chan->retrans_timeout = L2CAP_DEFAULT_RETRANS_TO;
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chan->monitor_timeout = L2CAP_DEFAULT_MONITOR_TO;
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skb_queue_head_init(&chan->tx_q);
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chan->mode = L2CAP_MODE_ERTM;
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err = l2cap_ertm_init(chan);
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if (err < 0) {
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l2cap_chan_del(chan, 0);
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return NULL;
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}
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chan->conf_state = 0;
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l2cap_chan_add(conn, chan);
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chan->remote_mps = chan->omtu;
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chan->mps = chan->omtu;
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chan->state = BT_CONNECTED;
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return chan;
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}
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