diff options
| author |   Gustavo F. Padovan <gustavo@las.ic.unicamp.br> | 2009-08-26 04:04:03 -0300 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2009-08-26 00:12:20 -0700 |
| commit | 7e7430908c3ccaf71f0851050c8ccaf9ecfb3b56 (patch) | |
| tree | 7a435dbbb39a1d6179e0b683cb510978bec0adb5 /net/bluetooth | |
| parent | Bluetooth: Handle L2CAP case when the remote receiver is busy (diff) | |
| download | linux-dev-7e7430908c3ccaf71f0851050c8ccaf9ecfb3b56.tar.xz linux-dev-7e7430908c3ccaf71f0851050c8ccaf9ecfb3b56.zip | |
Bluetooth: Add support for L2CAP 'Send RRorRNR' action
When called, 'Send RRorRNR' should send a RNR frame if local device is
busy or a RR frame otherwise.
Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/l2cap.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 40fbf5cb1f7e..b03012564647 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -366,6 +366,16 @@ static inline int l2cap_send_sframe(struct l2cap_pinfo *pi, u16 control) return hci_send_acl(pi->conn->hcon, skb, 0); } +static inline int l2cap_send_rr_or_rnr(struct l2cap_pinfo *pi, u16 control) +{ + if (pi->conn_state & L2CAP_CONN_LOCAL_BUSY) + control |= L2CAP_SUPER_RCV_NOT_READY; + else + control |= L2CAP_SUPER_RCV_READY; + + return l2cap_send_sframe(pi, control); +} + static void l2cap_do_start(struct sock *sk) { struct l2cap_conn *conn = l2cap_pi(sk)->conn; @@ -1202,8 +1212,7 @@ static void l2cap_monitor_timeout(unsigned long arg) __mod_monitor_timer(); control = L2CAP_CTRL_POLL; - control |= L2CAP_SUPER_RCV_READY; - l2cap_send_sframe(l2cap_pi(sk), control); + l2cap_send_rr_or_rnr(l2cap_pi(sk), control); bh_unlock_sock(sk); } @@ -1219,8 +1228,7 @@ static void l2cap_retrans_timeout(unsigned long arg) l2cap_pi(sk)->conn_state |= L2CAP_CONN_WAIT_F; control = L2CAP_CTRL_POLL; - control |= L2CAP_SUPER_RCV_READY; - l2cap_send_sframe(l2cap_pi(sk), control); + l2cap_send_rr_or_rnr(l2cap_pi(sk), control); bh_unlock_sock(sk); } @@ -3428,8 +3436,8 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str del_timer(&l2cap_pi(sk)->retrans_timer); if (rx_control & L2CAP_CTRL_POLL) { - u16 control = L2CAP_CTRL_FINAL | L2CAP_SUPER_RCV_READY; - l2cap_send_sframe(l2cap_pi(sk), control); + u16 control = L2CAP_CTRL_FINAL; + l2cap_send_rr_or_rnr(l2cap_pi(sk), control); } break; } |