Re: [PATCH 07/19] Bluetooth: Add move channel confirm handling

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Hi Mat,

On Mon, Oct 15, 2012 at 08:33:56AM -0700, Mat Martineau wrote:
> After sending a move channel response, a move responder waits for a
> move channel confirm command.  If the received command has a
> "confirmed" result the move is proceeding, and "unconfirmed" means the
> move has failed and the channel will not change controllers.
> 
> Signed-off-by: Mat Martineau <mathewm@xxxxxxxxxxxxxx>
> ---
>  net/bluetooth/l2cap_core.c | 70 ++++++++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 67 insertions(+), 3 deletions(-)
> 
> diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
> index aab7f79..ef744a9 100644
> --- a/net/bluetooth/l2cap_core.c
> +++ b/net/bluetooth/l2cap_core.c
> @@ -1030,6 +1030,42 @@ static void l2cap_move_setup(struct l2cap_chan *chan)
>  	set_bit(CONN_REMOTE_BUSY, &chan->conn_state);
>  }
>  
> +static void l2cap_move_success(struct l2cap_chan *chan)
> +{
> +	BT_DBG("chan %p", chan);
> +
> +	if (chan->mode != L2CAP_MODE_ERTM)
> +		return;
> +
> +	switch (chan->move_role) {
> +	case L2CAP_MOVE_ROLE_INITIATOR:
> +		l2cap_tx(chan, NULL, NULL, L2CAP_EV_EXPLICIT_POLL);
> +		chan->rx_state = L2CAP_RX_STATE_WAIT_F;
> +		break;
> +	case L2CAP_MOVE_ROLE_RESPONDER:
> +		chan->rx_state = L2CAP_RX_STATE_WAIT_P;
> +		break;
> +	}
> +}
> +
> +static void l2cap_move_revert(struct l2cap_chan *chan)
> +{
> +	BT_DBG("chan %p", chan);
> +
> +	if (chan->mode != L2CAP_MODE_ERTM)
> +		return;

Not sure that all those function need to check for ERTM. Can it be done
before calling them (for example in l2cap_move_channel_confirm)?

Best regards 
Andrei Emeltchenko 

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