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Bluetooth: Choose connection based on capabilities

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Choose which L2CAP connection to establish by checking support
for HS and remote side supported features.

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
2012-09-27 17:26:16 +03:00
committed by Gustavo Padovan
parent 9a5e94dbb4
commit 93c3e8f5c9
4 changed files with 60 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
net/bluetooth/a2mp.c
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@@ -638,7 +638,7 @@ static struct l2cap_ops a2mp_chan_ops = {
.ready = l2cap_chan_no_ready,
};
static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn)
static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn, bool locked)
{
struct l2cap_chan *chan;
int err;
@@ -673,7 +673,10 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn)
chan->conf_state = 0;
l2cap_chan_add(conn, chan);
if (locked)
__l2cap_chan_add(conn, chan);
else
l2cap_chan_add(conn, chan);
chan->remote_mps = chan->omtu;
chan->mps = chan->omtu;
@@ -712,7 +715,7 @@ int amp_mgr_put(struct amp_mgr *mgr)
return kref_put(&mgr->kref, &amp_mgr_destroy);
}
static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn)
static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn, bool locked)
{
struct amp_mgr *mgr;
struct l2cap_chan *chan;
@@ -725,7 +728,7 @@ static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn)
mgr->l2cap_conn = conn;
chan = a2mp_chan_open(conn);
chan = a2mp_chan_open(conn, locked);
if (!chan) {
kfree(mgr);
return NULL;
@@ -754,7 +757,7 @@ struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
{
struct amp_mgr *mgr;
mgr = amp_mgr_create(conn);
mgr = amp_mgr_create(conn, false);
if (!mgr) {
BT_ERR("Could not create AMP manager");
return NULL;
@@ -842,3 +845,24 @@ void a2mp_send_getampassoc_rsp(struct hci_dev *hdev, u8 status)
amp_mgr_put(mgr);
kfree(rsp);
}
void a2mp_discover_amp(struct l2cap_chan *chan)
{
struct l2cap_conn *conn = chan->conn;
struct amp_mgr *mgr = conn->hcon->amp_mgr;
struct a2mp_discov_req req;
BT_DBG("chan %p conn %p mgr %p", chan, conn, mgr);
if (!mgr) {
mgr = amp_mgr_create(conn, true);
if (!mgr)
return;
}
mgr->bredr_chan = chan;
req.mtu = cpu_to_le16(L2CAP_A2MP_DEFAULT_MTU);
req.ext_feat = 0;
a2mp_send(mgr, A2MP_DISCOVER_REQ, 1, sizeof(req), &req);
}