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authorGustavo F. Padovan <padovan@profusion.mobi>2010-05-01 16:15:37 -0300
committerMarcel Holtmann <marcel@holtmann.org>2010-05-10 09:28:46 +0200
commit1d8f5d16913d74e428950ee02fe9ff7e6391c120 (patch)
tree57c36996209c8d21802e97b8847d266ea9a84b30 /net/bluetooth
parentd5392c8f1e9faef089bb7cb66c3314da8bddd1fe (diff)
Bluetooth: Support case with F bit set under WAIT_F state.
On receipt of a F=1 under WAIT_F state ERTM shall stop monitor timer and start retransmission timer (if there are unacked frames). Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi> Reviewed-by: João Paulo Rechi Vita <jprvita@profusion.mobi> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/l2cap.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 06687e264703..36cd4e4e6ad1 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3364,6 +3364,13 @@ static inline int l2cap_data_channel_iframe(struct sock *sk, u16 rx_control, str
BT_DBG("sk %p rx_control 0x%4.4x len %d", sk, rx_control, skb->len);
+ if (L2CAP_CTRL_FINAL & rx_control) {
+ del_timer(&pi->monitor_timer);
+ if (pi->unacked_frames > 0)
+ __mod_retrans_timer();
+ pi->conn_state &= ~L2CAP_CONN_WAIT_F;
+ }
+
pi->expected_ack_seq = req_seq;
l2cap_drop_acked_frames(sk);
@@ -3453,6 +3460,13 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
BT_DBG("sk %p rx_control 0x%4.4x len %d", sk, rx_control, skb->len);
+ if (L2CAP_CTRL_FINAL & rx_control) {
+ del_timer(&pi->monitor_timer);
+ if (pi->unacked_frames > 0)
+ __mod_retrans_timer();
+ pi->conn_state &= ~L2CAP_CONN_WAIT_F;
+ }
+
switch (rx_control & L2CAP_CTRL_SUPERVISE) {
case L2CAP_SUPER_RCV_READY:
if (rx_control & L2CAP_CTRL_POLL) {
@@ -3472,14 +3486,6 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
l2cap_ertm_send(sk);
}
- if (!(pi->conn_state & L2CAP_CONN_WAIT_F))
- break;
-
- pi->conn_state &= ~L2CAP_CONN_WAIT_F;
- del_timer(&pi->monitor_timer);
-
- if (pi->unacked_frames > 0)
- __mod_retrans_timer();
} else {
pi->expected_ack_seq = tx_seq;
l2cap_drop_acked_frames(sk);