Re: [PATCH v5 08/15] Bluetooth: Prepare for full support discovery procedures

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Hi Andre,

* Andre Guedes <andre.guedes@xxxxxxxxxxxxx> [2011-10-05 20:20:40 -0300]:

> This patch prepares start_discovery() to support LE-Only and BR/EDR/LE
> discovery procedures (BR/EDR is already supported).
> 
> Signed-off-by: Andre Guedes <andre.guedes@xxxxxxxxxxxxx>
> ---
>  include/net/bluetooth/hci.h      |    1 +
>  include/net/bluetooth/hci_core.h |    1 +
>  net/bluetooth/mgmt.c             |   12 +++++++++++-
>  3 files changed, 13 insertions(+), 1 deletions(-)
> 
> diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
> index aaf79af..1e11e7f 100644
> --- a/include/net/bluetooth/hci.h
> +++ b/include/net/bluetooth/hci.h
> @@ -202,6 +202,7 @@ enum {
>  
>  #define LMP_EV4		0x01
>  #define LMP_EV5		0x02
> +#define LMP_NO_BREDR	0x20
>  #define LMP_LE		0x40
>  
>  #define LMP_SNIFF_SUBR	0x02
> diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
> index 36e15cc..e0c9790 100644
> --- a/include/net/bluetooth/hci_core.h
> +++ b/include/net/bluetooth/hci_core.h
> @@ -613,6 +613,7 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
>  #define lmp_esco_capable(dev)      ((dev)->features[3] & LMP_ESCO)
>  #define lmp_ssp_capable(dev)       ((dev)->features[6] & LMP_SIMPLE_PAIR)
>  #define lmp_no_flush_capable(dev)  ((dev)->features[6] & LMP_NO_FLUSH)
> +#define lmp_bredr_capable(dev)     (!((dev)->features[4] & LMP_NO_BREDR))
>  #define lmp_le_capable(dev)        ((dev)->features[4] & LMP_LE)
>  
>  /* ----- Extended LMP capabilities ----- */
> diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
> index 58cf33a..0040e37 100644
> --- a/net/bluetooth/mgmt.c
> +++ b/net/bluetooth/mgmt.c
> @@ -32,6 +32,8 @@
>  #define MGMT_VERSION	0
>  #define MGMT_REVISION	1
>  
> +#define INQUIRY_LEN_BREDR 0x08 /* TGAP(100) */
> +
>  struct pending_cmd {
>  	struct list_head list;
>  	__u16 opcode;
> @@ -1632,7 +1634,15 @@ static int start_discovery(struct sock *sk, u16 index)
>  		goto failed;
>  	}
>  
> -	err = hci_do_inquiry(hdev, 0x08);
> +	if (lmp_host_le_capable(hdev)) {
> +		if (lmp_bredr_capable(hdev))
> +			err = -ENOSYS;
> +		else
> +			err = -ENOSYS;

This seems a lot wrong.

	Gustavo
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