Bluetooth: Introduce L2CAP channel callback for suspending
Setting the BT_SK_SUSPEND socket flag from the L2CAP core is causing a dependency on the socket. So instead of doing that, use a channel callback into the socket handling to suspend. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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@ -593,6 +593,7 @@ struct l2cap_ops {
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void (*ready) (struct l2cap_chan *chan);
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void (*defer) (struct l2cap_chan *chan);
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void (*resume) (struct l2cap_chan *chan);
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void (*suspend) (struct l2cap_chan *chan);
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void (*set_shutdown) (struct l2cap_chan *chan);
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long (*get_sndtimeo) (struct l2cap_chan *chan);
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struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan,
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@ -1345,6 +1345,14 @@ static long l2cap_sock_get_sndtimeo_cb(struct l2cap_chan *chan)
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return sk->sk_sndtimeo;
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}
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static void l2cap_sock_suspend_cb(struct l2cap_chan *chan)
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{
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struct sock *sk = chan->data;
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set_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags);
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sk->sk_state_change(sk);
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}
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static struct l2cap_ops l2cap_chan_ops = {
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.name = "L2CAP Socket Interface",
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.new_connection = l2cap_sock_new_connection_cb,
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@ -1355,6 +1363,7 @@ static struct l2cap_ops l2cap_chan_ops = {
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.ready = l2cap_sock_ready_cb,
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.defer = l2cap_sock_defer_cb,
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.resume = l2cap_sock_resume_cb,
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.suspend = l2cap_sock_suspend_cb,
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.set_shutdown = l2cap_sock_set_shutdown_cb,
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.get_sndtimeo = l2cap_sock_get_sndtimeo_cb,
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.alloc_skb = l2cap_sock_alloc_skb_cb,
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