diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2014-01-24 12:35:41 +0400 |
|---|---|---|
| committer | Johan Hedberg <johan.hedberg@intel.com> | 2014-02-13 11:51:37 +0400 |
| commit | 21626e6214f92aaae580052c760dc85f83b5faef (patch) | |
| tree | 425df2304948783f3794331c313b7086d9933344 /net | |
| parent | 2338a7e0440d646c194d421748ea36665e648384 (diff) | |
| download | linux-21626e6214f92aaae580052c760dc85f83b5faef.tar.xz | |
Bluetooth: Switch ATT channels to use L2CAP_CHAN_FIXED
ATT channels are not connection oriented so having them use
L2CAP_CHAN_CONN_ORIENTED is quite confusing. Instead, use the new
L2CAP_CHAN_FIXED type and ensure that the MTU and CID values get
properly set.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/l2cap_core.c | 21 | ||||
| -rw-r--r-- | net/bluetooth/l2cap_sock.c | 9 |
2 files changed, 18 insertions, 12 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index cd28057d2903..e5c5c7427c41 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -498,18 +498,10 @@ void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan) switch (chan->chan_type) { case L2CAP_CHAN_CONN_ORIENTED: - if (conn->hcon->type == LE_LINK) { - if (chan->dcid == L2CAP_CID_ATT) { - chan->omtu = L2CAP_DEFAULT_MTU; - chan->scid = L2CAP_CID_ATT; - } else { - chan->scid = l2cap_alloc_cid(conn); - } - } else { - /* Alloc CID for connection-oriented socket */ - chan->scid = l2cap_alloc_cid(conn); + /* Alloc CID for connection-oriented socket */ + chan->scid = l2cap_alloc_cid(conn); + if (conn->hcon->type == ACL_LINK) chan->omtu = L2CAP_DEFAULT_MTU; - } break; case L2CAP_CHAN_CONN_LESS: @@ -7025,7 +7017,12 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, goto done; } - if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED && !(psm || cid)) { + if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED && !psm) { + err = -EINVAL; + goto done; + } + + if (chan->chan_type == L2CAP_CHAN_FIXED && !cid) { err = -EINVAL; goto done; } diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index fe086b4efc0c..04abd26a3466 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -101,6 +101,15 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) if (!bdaddr_type_is_valid(la.l2_bdaddr_type)) return -EINVAL; + if (la.l2_cid) { + /* When the socket gets created it defaults to + * CHAN_CONN_ORIENTED, so we need to overwrite the + * default here. + */ + chan->chan_type = L2CAP_CHAN_FIXED; + chan->omtu = L2CAP_DEFAULT_MTU; + } + if (bdaddr_type_is_le(la.l2_bdaddr_type)) { if (!enable_lecoc && la.l2_psm) return -EINVAL; |