Re: [RFC] Bluetooth: Add link_type information to the mgmt Connected event

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* Vinicius Costa Gomes <vinicius.gomes@xxxxxxxxxxxxx> [2011-06-10 19:34:43 -0300]:

> One piece of information that was lost when using the mgmt interface,
> was the type of the connection. Using HCI events we used to know
> the type of the connection based on the type of the event, e.g.
> HCI_LE_Connection_Complete for LE links.
> 
> Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@xxxxxxxxxxxxx>
> ---
> 
> Johan,
> 
> From my SM series, the other patch that adds information to the mgmt
> interface is:
> "Bluetooth: Add new structures for supporting SM key distribution"
> from Jun 7.
> 
> Cheers,
> 
> 
>  include/net/bluetooth/hci_core.h |    2 +-
>  include/net/bluetooth/mgmt.h     |    1 +
>  net/bluetooth/hci_event.c        |    4 ++--
>  net/bluetooth/mgmt.c             |    3 ++-
>  4 files changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
> index 404872d..5de3866 100644
> --- a/include/net/bluetooth/hci_core.h
> +++ b/include/net/bluetooth/hci_core.h
> @@ -834,7 +834,7 @@ int mgmt_powered(u16 index, u8 powered);
>  int mgmt_discoverable(u16 index, u8 discoverable);
>  int mgmt_connectable(u16 index, u8 connectable);
>  int mgmt_new_key(u16 index, struct link_key *key, u8 persistent);
> -int mgmt_connected(u16 index, bdaddr_t *bdaddr);
> +int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type);
>  int mgmt_disconnected(u16 index, bdaddr_t *bdaddr);
>  int mgmt_disconnect_failed(u16 index);
>  int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status);
> diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
> index 129d4b3..9663f5d 100644
> --- a/include/net/bluetooth/mgmt.h
> +++ b/include/net/bluetooth/mgmt.h
> @@ -239,6 +239,7 @@ struct mgmt_ev_new_key {
>  #define MGMT_EV_CONNECTED		0x000B
>  struct mgmt_ev_connected {
>  	bdaddr_t bdaddr;
> +	__u8 link_type;
>  } __packed;
> 
>  #define MGMT_EV_DISCONNECTED		0x000C
> diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
> index 620f307..bc3a0b6 100644
> --- a/net/bluetooth/hci_event.c
> +++ b/net/bluetooth/hci_event.c
> @@ -1356,7 +1356,7 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
>  			conn->state = BT_CONFIG;
>  			hci_conn_hold(conn);
>  			conn->disc_timeout = HCI_DISCONN_TIMEOUT;
> -			mgmt_connected(hdev->id, &ev->bdaddr);
> +			mgmt_connected(hdev->id, &ev->bdaddr, conn->type);
>  		} else
>  			conn->state = BT_CONNECTED;
> 
> @@ -2752,7 +2752,7 @@ static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff
>  		goto unlock;
>  	}
> 
> -	mgmt_connected(hdev->id, &ev->bdaddr);
> +	mgmt_connected(hdev->id, &ev->bdaddr, conn->type);
> 
>  	conn->sec_level = BT_SECURITY_LOW;
>  	conn->handle = __le16_to_cpu(ev->handle);
> diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
> index bf8f84e..1373a32 100644
> --- a/net/bluetooth/mgmt.c
> +++ b/net/bluetooth/mgmt.c
> @@ -1942,11 +1942,12 @@ int mgmt_new_key(u16 index, struct link_key *key, u8 persistent)
>  	return err;
>  }
> 
> -int mgmt_connected(u16 index, bdaddr_t *bdaddr)
> +int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type)
>  {
>  	struct mgmt_ev_connected ev;
> 
>  	bacpy(&ev.bdaddr, bdaddr);
> +	ev.link_type = link_type;
> 
>  	return mgmt_event(MGMT_EV_CONNECTED, index, &ev, sizeof(ev), NULL);
>  }

Seems good to me. Anyone else has comments on it?

	Gustavo
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