Hi Briglia,
Top posting is not allowed in this mailing list. Please stop it.
* Anderson Briglia <anderson.briglia@xxxxxxxxxxxxx> [2011-02-15 10:10:12 -0300]:
> Thanks for reviewing. I'll add that missing "break", but the other
> tips are not so relevant since we should gain just 2 characters.
>
> On Mon, Feb 14, 2011 at 7:23 PM, Anderson Lizardo
> <anderson.lizardo@xxxxxxxxxxxxx> wrote:
> >
> > Hi Briglia,
> >
> > On Mon, Feb 14, 2011 at 6:59 PM, <anderson.briglia@xxxxxxxxxxxxx> wrote:
> > > From: Anderson Briglia <anderson.briglia@xxxxxxxxxxxxx>
> > >
> > > This patch implements new LE meta event in order to handle advertising
> > > reports.
> > >
> > > Signed-off-by: Anderson Briglia <anderson.briglia@xxxxxxxxxxxxx>
> > > ---
> > > include/net/bluetooth/hci.h | 18 ++++++++++++++++++
> > > net/bluetooth/hci_event.c | 22 ++++++++++++++++++++++
> > > 2 files changed, 40 insertions(+), 0 deletions(-)
> > >
> > > diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
> > > index 46438f4..5180555 100644
> > > --- a/include/net/bluetooth/hci.h
> > > +++ b/include/net/bluetooth/hci.h
> > > @@ -980,6 +980,24 @@ struct hci_ev_le_conn_complete {
> > > __u8 clk_accurancy;
> > > } __packed;
> > >
> > > +#define ADV_IND 0x00
> > > +#define ADV_DIRECT_IND 0x01
> > > +#define ADV_SCAN_IND 0x02
> > > +#define ADV_NONCONN_IND 0x03
> > > +#define SCAN_RSP 0x04
> > > +
> > > +#define ADDR_DEV_PUBLIC 0x00
> > > +#define ADDR_DEV_RANDOM 0x01
> > > +
> > > +#define HCI_EV_LE_ADVERTISING_REPORT 0x02
> > > +struct hci_ev_le_advertising_info {
> > > + __u8 evt_type;
> > > + __u8 bdaddr_type;
> > > + bdaddr_t bdaddr;
> > > + __u8 length;
> > > + __u8 data[0];
> > > +} __packed;
> > > +
> > > #define HCI_EV_LE_LTK_REQ 0x05
> > > struct hci_ev_le_ltk_req {
> > > __le16 handle;
> > > diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
> > > index 99c75f4..987f5de 100644
> > > --- a/net/bluetooth/hci_event.c
> > > +++ b/net/bluetooth/hci_event.c
> > > @@ -2498,6 +2498,25 @@ static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
> > > hci_dev_unlock(hdev);
> > > }
> > >
> > > +static inline void hci_le_adv_report_evt(struct hci_dev *hdev,
> > > + struct sk_buff *skb)
> > > +{
> > > + struct hci_ev_le_advertising_info *ev;
> > > + u8 num_reports, i;
> > > +
> > > + num_reports = (u8) skb->data[0];
> >
> > I think this cast is unnecessary.
> >
> > > +
> > > + ev = (struct hci_ev_le_advertising_info *) (skb->data + 1);
> >
> > What about a slightly shorter line (well I didn't count the chars):
> >
> > ev = (struct hci_ev_le_advertising_info *) &skb->data[1];
Use (void *) cast here.
> >
> > > +
> > > + BT_DBG("adv from: %s", batostr(&ev->bdaddr));
> > > +
> > > + for (i = 1; i < num_reports; i++) {
> > > + ev = (struct hci_ev_le_advertising_info *)
> > > + (ev->data + ev->length + 1);
> > > + BT_DBG("adv from: %s", batostr(&ev->bdaddr));
> > > + }
> >
> > What about (not sure if it is shorter, just a suggestion):
> >
> > ev = (struct hci_ev_le_advertising_info *) &ev->data[ev->length + 1];
Same here.
--
Gustavo F. Padovan
http://profusion.mobi
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