* [PATCH] Bleutooth: Add definitions for LE Read Tx Power
@ 2020-01-07 8:48 Ankit Navik
2020-01-08 20:57 ` Marcel Holtmann
0 siblings, 1 reply; 3+ messages in thread
From: Ankit Navik @ 2020-01-07 8:48 UTC (permalink / raw)
To: linux-bluetooth
Add the definitions for LE read transmit power HCI commands to
read the minimum and maximum Tx power.
Signed-off-by: Ankit Navik <ankit.p.navik@intel.com>
---
include/net/bluetooth/hci.h | 7 +++++++
include/net/bluetooth/hci_core.h | 3 +++
net/bluetooth/hci_event.c | 18 ++++++++++++++++++
3 files changed, 28 insertions(+)
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 07b6ece..6e8805f 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -1641,6 +1641,13 @@ struct hci_cp_le_ext_conn_param {
__le16 max_ce_len;
} __packed;
+#define HCI_OP_LE_READ_TX_POWER 0x204b
+struct hci_rp_le_read_tx_power {
+ __u8 status;
+ __s8 min_tx_power;
+ __s8 max_tx_power;
+} __packed;
+
#define HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS 0x203b
struct hci_rp_le_read_num_supported_adv_sets {
__u8 status;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index faebe38..88c6e55 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -418,6 +418,9 @@ struct hci_dev {
__u8 scan_rsp_data[HCI_MAX_AD_LENGTH];
__u8 scan_rsp_data_len;
+ __s8 min_tx_power;
+ __s8 max_tx_power;
+
struct list_head adv_instances;
unsigned int adv_instance_cnt;
__u8 cur_adv_instance;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 6ddc4a7..fc154cf 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -988,6 +988,20 @@ static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
hdev->adv_tx_power = rp->tx_power;
}
+static void hci_cc_le_read_tx_power(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_le_read_tx_power *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hdev->min_tx_power = rp->min_tx_power;
+ hdev->max_tx_power = rp->max_tx_power;
+}
+
static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
@@ -3414,6 +3428,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
hci_cc_le_read_max_data_len(hdev, skb);
break;
+ case HCI_OP_LE_READ_TX_POWER:
+ hci_cc_le_read_tx_power(hdev, skb);
+ break;
+
case HCI_OP_WRITE_LE_HOST_SUPPORTED:
hci_cc_write_le_host_supported(hdev, skb);
break;
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] Bleutooth: Add definitions for LE Read Tx Power
2020-01-07 8:48 [PATCH] Bleutooth: Add definitions for LE Read Tx Power Ankit Navik
@ 2020-01-08 20:57 ` Marcel Holtmann
2020-01-09 17:28 ` Navik, Ankit P
0 siblings, 1 reply; 3+ messages in thread
From: Marcel Holtmann @ 2020-01-08 20:57 UTC (permalink / raw)
To: Ankit Navik; +Cc: BlueZ devel list
Hi Ankit,
> Add the definitions for LE read transmit power HCI commands to
> read the minimum and maximum Tx power.
>
> Signed-off-by: Ankit Navik <ankit.p.navik@intel.com>
> ---
> include/net/bluetooth/hci.h | 7 +++++++
> include/net/bluetooth/hci_core.h | 3 +++
> net/bluetooth/hci_event.c | 18 ++++++++++++++++++
> 3 files changed, 28 insertions(+)
>
> diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
> index 07b6ece..6e8805f 100644
> --- a/include/net/bluetooth/hci.h
> +++ b/include/net/bluetooth/hci.h
> @@ -1641,6 +1641,13 @@ struct hci_cp_le_ext_conn_param {
> __le16 max_ce_len;
> } __packed;
>
> +#define HCI_OP_LE_READ_TX_POWER 0x204b
> +struct hci_rp_le_read_tx_power {
> + __u8 status;
> + __s8 min_tx_power;
> + __s8 max_tx_power;
> +} __packed;
> +
> #define HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS 0x203b
can we please keep this list sorted by opcode.
> struct hci_rp_le_read_num_supported_adv_sets {
> __u8 status;
> diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
> index faebe38..88c6e55 100644
> --- a/include/net/bluetooth/hci_core.h
> +++ b/include/net/bluetooth/hci_core.h
> @@ -418,6 +418,9 @@ struct hci_dev {
> __u8 scan_rsp_data[HCI_MAX_AD_LENGTH];
> __u8 scan_rsp_data_len;
>
> + __s8 min_tx_power;
> + __s8 max_tx_power;
> +
They are LE specific so lets prefix them as le_ and put them together with other le_ data.
> struct list_head adv_instances;
> unsigned int adv_instance_cnt;
> __u8 cur_adv_instance;
> diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
> index 6ddc4a7..fc154cf 100644
> --- a/net/bluetooth/hci_event.c
> +++ b/net/bluetooth/hci_event.c
> @@ -988,6 +988,20 @@ static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
> hdev->adv_tx_power = rp->tx_power;
> }
>
> +static void hci_cc_le_read_tx_power(struct hci_dev *hdev,
> + struct sk_buff *skb)
Please do proper indentation.
> +{
> + struct hci_rp_le_read_tx_power *rp = (void *) skb->data;
> +
> + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
> +
> + if (rp->status)
> + return;
> +
> + hdev->min_tx_power = rp->min_tx_power;
> + hdev->max_tx_power = rp->max_tx_power;
> +}
> +
> static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
> {
> struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
> @@ -3414,6 +3428,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
> hci_cc_le_read_max_data_len(hdev, skb);
> break;
>
> + case HCI_OP_LE_READ_TX_POWER:
> + hci_cc_le_read_tx_power(hdev, skb);
> + break;
> +
> case HCI_OP_WRITE_LE_HOST_SUPPORTED:
> hci_cc_write_le_host_supported(hdev, skb);
> break;
Regards
Marcel
^ permalink raw reply [flat|nested] 3+ messages in thread
* RE: [PATCH] Bleutooth: Add definitions for LE Read Tx Power
2020-01-08 20:57 ` Marcel Holtmann
@ 2020-01-09 17:28 ` Navik, Ankit P
0 siblings, 0 replies; 3+ messages in thread
From: Navik, Ankit P @ 2020-01-09 17:28 UTC (permalink / raw)
To: Marcel Holtmann; +Cc: BlueZ devel list
Hi Marcel,
> -----Original Message-----
> From: Marcel Holtmann <marcel@holtmann.org>
> Sent: Thursday, January 9, 2020 2:27 AM
> To: Navik, Ankit P <ankit.p.navik@intel.com>
> Cc: BlueZ devel list <linux-bluetooth@vger.kernel.org>
> Subject: Re: [PATCH] Bleutooth: Add definitions for LE Read Tx Power
>
> Hi Ankit,
>
> > Add the definitions for LE read transmit power HCI commands to read
> > the minimum and maximum Tx power.
> >
> > Signed-off-by: Ankit Navik <ankit.p.navik@intel.com>
> > ---
> > include/net/bluetooth/hci.h | 7 +++++++
> > include/net/bluetooth/hci_core.h | 3 +++
> > net/bluetooth/hci_event.c | 18 ++++++++++++++++++
> > 3 files changed, 28 insertions(+)
> >
> > diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
> > index 07b6ece..6e8805f 100644
> > --- a/include/net/bluetooth/hci.h
> > +++ b/include/net/bluetooth/hci.h
> > @@ -1641,6 +1641,13 @@ struct hci_cp_le_ext_conn_param {
> > __le16 max_ce_len;
> > } __packed;
> >
> > +#define HCI_OP_LE_READ_TX_POWER 0x204b
> > +struct hci_rp_le_read_tx_power {
> > + __u8 status;
> > + __s8 min_tx_power;
> > + __s8 max_tx_power;
> > +} __packed;
> > +
> > #define HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS 0x203b
>
> can we please keep this list sorted by opcode.
Yes, I will fix and submit v2.
>
> > struct hci_rp_le_read_num_supported_adv_sets {
> > __u8 status;
> > diff --git a/include/net/bluetooth/hci_core.h
> > b/include/net/bluetooth/hci_core.h
> > index faebe38..88c6e55 100644
> > --- a/include/net/bluetooth/hci_core.h
> > +++ b/include/net/bluetooth/hci_core.h
> > @@ -418,6 +418,9 @@ struct hci_dev {
> > __u8 scan_rsp_data[HCI_MAX_AD_LENGTH];
> > __u8 scan_rsp_data_len;
> >
> > + __s8 min_tx_power;
> > + __s8 max_tx_power;
> > +
>
> They are LE specific so lets prefix them as le_ and put them together with other
> le_ data.
Agree.
>
> > struct list_head adv_instances;
> > unsigned int adv_instance_cnt;
> > __u8 cur_adv_instance;
> > diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
> > index 6ddc4a7..fc154cf 100644
> > --- a/net/bluetooth/hci_event.c
> > +++ b/net/bluetooth/hci_event.c
> > @@ -988,6 +988,20 @@ static void hci_cc_le_read_adv_tx_power(struct
> hci_dev *hdev,
> > hdev->adv_tx_power = rp->tx_power;
> > }
> >
> > +static void hci_cc_le_read_tx_power(struct hci_dev *hdev,
> > + struct sk_buff *skb)
>
> Please do proper indentation.
I'll send v2.
Regards,
Ankit
>
> > +{
> > + struct hci_rp_le_read_tx_power *rp = (void *) skb->data;
> > +
> > + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
> > +
> > + if (rp->status)
> > + return;
> > +
> > + hdev->min_tx_power = rp->min_tx_power;
> > + hdev->max_tx_power = rp->max_tx_power; }
> > +
> > static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct
> > sk_buff *skb) {
> > struct hci_rp_user_confirm_reply *rp = (void *) skb->data; @@ -3414,6
> > +3428,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct
> sk_buff *skb,
> > hci_cc_le_read_max_data_len(hdev, skb);
> > break;
> >
> > + case HCI_OP_LE_READ_TX_POWER:
> > + hci_cc_le_read_tx_power(hdev, skb);
> > + break;
> > +
> > case HCI_OP_WRITE_LE_HOST_SUPPORTED:
> > hci_cc_write_le_host_supported(hdev, skb);
> > break;
>
> Regards
>
> Marcel
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-01-08 20:57 ` Marcel Holtmann
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