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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>
This commit is contained in:
Gustavo F. Padovan 2010-05-01 16:15:37 -03:00 committed by Marcel Holtmann
parent d5392c8f1e
commit 1d8f5d1691
1 changed files with 14 additions and 8 deletions
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22
net/bluetooth/l2cap.c
View File

@ -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);