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@xxxxxxxxxxxxxxxxx>
---
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 40fbf5c..b030125 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;
}
--
1.6.3.3
--
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