Re: [PATCH] monitor: Add support for decoding LE Channel Selection Algorithm Event

[Szymon Janc <szymon.janc@codecoup.pl>]

On Thursday, 6 April 2017 15:41:35 CEST Szymon Janc wrote:
> > HCI Event: LE Meta Event (0x3e) plen 4                     44.589780
> 
>       LE Channel Selection Algorithm (0x14)
>         Handle: 1
>         LE Channel Selection Algorithm #2 (0x01)
> ---
>  monitor/bt.h     |  6 ++++++
>  monitor/packet.c | 30 +++++++++++++++++++++++++++++-
>  2 files changed, 35 insertions(+), 1 deletion(-)
> 
> diff --git a/monitor/bt.h b/monitor/bt.h
> index 1a21592..0b77a10 100644
> --- a/monitor/bt.h
> +++ b/monitor/bt.h
> @@ -2736,6 +2736,12 @@ struct bt_hci_evt_le_direct_adv_report {
>  	int8_t   rssi;
>  } __attribute__ ((packed));
> 
> +#define BT_HCI_EVT_LE_CHAN_SELECT_ALG		0x14
> +struct bt_hci_evt_le_chan_select_alg {
> +	uint16_t handle;
> +	uint8_t  algorithm;
> +} __attribute__ ((packed));
> +
>  #define BT_HCI_ERR_SUCCESS			0x00
>  #define BT_HCI_ERR_UNKNOWN_COMMAND		0x01
>  #define BT_HCI_ERR_UNKNOWN_CONN_ID		0x02
> diff --git a/monitor/packet.c b/monitor/packet.c
> index 0cae6d7..5d927f5 100644
> --- a/monitor/packet.c
> +++ b/monitor/packet.c
> @@ -3754,6 +3754,25 @@ static void print_3d_broadcast(const void *data,
> uint8_t size) period, period_frac);
>  }
> 
> +static void print_le_channel_select_alg(uint8_t alg)
> +{
> +	const char *str;
> +
> +	switch (alg) {
> +	case 0x00:
> +		str = "LE Channel Selection Algorithm #1";
> +		break;
> +	case 0x01:
> +		str = "LE Channel Selection Algorithm #2";
> +		break;
> +	default:
> +		str = "Reserved";
> +		break;
> +	}
> +
> +	print_field("%s (0x%2.2x)", str, alg);
> +}
> +
>  void packet_hexdump(const unsigned char *buf, uint16_t len)
>  {
>  	static const char hexdigits[] = "0123456789abcdef";
> @@ -8531,6 +8550,14 @@ static void le_direct_adv_report_evt(const void
> *data, uint8_t size) packet_hexdump(data + sizeof(*evt), size -
> sizeof(*evt));
>  }
> 
> +static void le_chan_select_alg_evt(const void *data, uint8_t size)
> +{
> +	const struct bt_hci_evt_le_chan_select_alg *evt = data;
> +
> +	print_handle(evt->handle);
> +	print_le_channel_select_alg(evt->algorithm);
> +}
> +
>  struct subevent_data {
>  	uint8_t subevent;
>  	const char *str;
> @@ -8605,7 +8632,8 @@ static const struct subevent_data
> le_meta_event_table[] = { { 0x11, "LE Scan Timeout" },
>  	{ 0x12, "LE Advertising Set Terminated" },
>  	{ 0x13, "LE Scan Request Received" },
> -	{ 0x14, "LE Channel Selection Algorithm" },
> +	{ 0x14, "LE Channel Selection Algorithm",
> +				le_chan_select_alg_evt, 3, true},
>  	{ }
>  };

Applied.

-- 
pozdrawiam
Szymon Janc