2021-07-27 08:45:38

by K, Kiran

[permalink] [raw]
Subject: [PATCH v11 03/10] Bluetooth: btintel: Read supported offload usecases

Read offload usecases supported by controller.

Signed-off-by: Kiran K <[email protected]>
Reviewed-by: Chethan T N <[email protected]>
Reviewed-by: Srivatsa Ravishankar <[email protected]>
---
* changes in v11:
- Remove Kconfig related changes
* changes in v10:
- restructure patch to have definition and call of callaback in the
same patch
* changes in v9:
- define a separate patch for core changes

drivers/bluetooth/btintel.c | 30 ++++++++++++++++++++++++++++++
drivers/bluetooth/btintel.h | 10 ++++++++++
drivers/bluetooth/btusb.c | 3 +++
3 files changed, 43 insertions(+)

diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index e44b6993cf91..a6b81914766e 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -1272,6 +1272,36 @@ int btintel_set_debug_features(struct hci_dev *hdev,
}
EXPORT_SYMBOL_GPL(btintel_set_debug_features);

+int btintel_configure_offload_usecases(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ int err = 0;
+ struct intel_offload_usecases *usecases;
+
+ skb = __hci_cmd_sync(hdev, 0xfc86, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Reading offload usecases failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ if (skb->len < sizeof(*usecases)) {
+ err = -EIO;
+ goto error;
+ }
+
+ usecases = (void *)skb->data;
+
+ if (usecases->status) {
+ err = -bt_to_errno(skb->data[0]);
+ goto error;
+ }
+error:
+ kfree_skb(skb);
+ return err;
+}
+EXPORT_SYMBOL_GPL(btintel_configure_offload_usecases);
+
MODULE_AUTHOR("Marcel Holtmann <[email protected]>");
MODULE_DESCRIPTION("Bluetooth support for Intel devices ver " VERSION);
MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index d184064a5e7c..45ca5c4ccf37 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -132,6 +132,11 @@ struct intel_debug_features {
__u8 page1[16];
} __packed;

+struct intel_offload_usecases {
+ __u8 status;
+ __u8 preset[8];
+} __packed;
+
#define INTEL_HW_PLATFORM(cnvx_bt) ((u8)(((cnvx_bt) & 0x0000ff00) >> 8))
#define INTEL_HW_VARIANT(cnvx_bt) ((u8)(((cnvx_bt) & 0x003f0000) >> 16))
#define INTEL_CNVX_TOP_TYPE(cnvx_top) ((cnvx_top) & 0x00000fff)
@@ -175,6 +180,7 @@ int btintel_read_debug_features(struct hci_dev *hdev,
struct intel_debug_features *features);
int btintel_set_debug_features(struct hci_dev *hdev,
const struct intel_debug_features *features);
+int btintel_configure_offload_usecases(struct hci_dev *hdev);
#else

static inline int btintel_check_bdaddr(struct hci_dev *hdev)
@@ -307,4 +313,8 @@ static inline int btintel_set_debug_features(struct hci_dev *hdev,
return -EOPNOTSUPP;
}

+static int btintel_configure_offload_usecases(struct hci_dev *hdev)
+{
+ return -EOPNOTSUPP;
+}
#endif
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 1876a960b3dc..0ff8d1288929 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3023,6 +3023,9 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
btintel_set_debug_features(hdev, &features);
}

+ /* Read supported usecases and set callbacks to fetch datapath id */
+ btintel_configure_offload_usecases(hdev);
+
/* Read the Intel version information after loading the FW */
err = btintel_read_version_tlv(hdev, &version);
if (err)
--
2.17.1



2021-07-30 14:10:58

by Marcel Holtmann

[permalink] [raw]
Subject: Re: [PATCH v11 03/10] Bluetooth: btintel: Read supported offload usecases

Hi Kiran,

> Read offload usecases supported by controller.
>
> Signed-off-by: Kiran K <[email protected]>
> Reviewed-by: Chethan T N <[email protected]>
> Reviewed-by: Srivatsa Ravishankar <[email protected]>
> ---
> * changes in v11:
> - Remove Kconfig related changes
> * changes in v10:
> - restructure patch to have definition and call of callaback in the
> same patch
> * changes in v9:
> - define a separate patch for core changes
>
> drivers/bluetooth/btintel.c | 30 ++++++++++++++++++++++++++++++
> drivers/bluetooth/btintel.h | 10 ++++++++++
> drivers/bluetooth/btusb.c | 3 +++
> 3 files changed, 43 insertions(+)
>
> diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
> index e44b6993cf91..a6b81914766e 100644
> --- a/drivers/bluetooth/btintel.c
> +++ b/drivers/bluetooth/btintel.c
> @@ -1272,6 +1272,36 @@ int btintel_set_debug_features(struct hci_dev *hdev,
> }
> EXPORT_SYMBOL_GPL(btintel_set_debug_features);
>
> +int btintel_configure_offload_usecases(struct hci_dev *hdev)
> +{
> + struct sk_buff *skb;
> + int err = 0;
> + struct intel_offload_usecases *usecases;
> +
> + skb = __hci_cmd_sync(hdev, 0xfc86, 0, NULL, HCI_INIT_TIMEOUT);
> + if (IS_ERR(skb)) {
> + bt_dev_err(hdev, "Reading offload usecases failed (%ld)",
> + PTR_ERR(skb));
> + return PTR_ERR(skb);
> + }
> +
> + if (skb->len < sizeof(*usecases)) {
> + err = -EIO;
> + goto error;
> + }
> +
> + usecases = (void *)skb->data;
> +
> + if (usecases->status) {
> + err = -bt_to_errno(skb->data[0]);
> + goto error;
> + }
> +error:
> + kfree_skb(skb);
> + return err;
> +}
> +EXPORT_SYMBOL_GPL(btintel_configure_offload_usecases);
> +
> MODULE_AUTHOR("Marcel Holtmann <[email protected]>");
> MODULE_DESCRIPTION("Bluetooth support for Intel devices ver " VERSION);
> MODULE_VERSION(VERSION);
> diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
> index d184064a5e7c..45ca5c4ccf37 100644
> --- a/drivers/bluetooth/btintel.h
> +++ b/drivers/bluetooth/btintel.h
> @@ -132,6 +132,11 @@ struct intel_debug_features {
> __u8 page1[16];
> } __packed;
>
> +struct intel_offload_usecases {
> + __u8 status;
> + __u8 preset[8];
> +} __packed;
> +
> #define INTEL_HW_PLATFORM(cnvx_bt) ((u8)(((cnvx_bt) & 0x0000ff00) >> 8))
> #define INTEL_HW_VARIANT(cnvx_bt) ((u8)(((cnvx_bt) & 0x003f0000) >> 16))
> #define INTEL_CNVX_TOP_TYPE(cnvx_top) ((cnvx_top) & 0x00000fff)
> @@ -175,6 +180,7 @@ int btintel_read_debug_features(struct hci_dev *hdev,
> struct intel_debug_features *features);
> int btintel_set_debug_features(struct hci_dev *hdev,
> const struct intel_debug_features *features);
> +int btintel_configure_offload_usecases(struct hci_dev *hdev);

so usecases is not, it would be offload_use_cases. However btintel_configure_offload is just fine as a function name. With the work from Tedd, this would be removed anyway and all done internally via the hdev->setup().

Regards

Marcel


2021-08-14 06:37:15

by K, Kiran

[permalink] [raw]
Subject: RE: [PATCH v11 03/10] Bluetooth: btintel: Read supported offload usecases

Hi Marcel,

> -----Original Message-----
> From: Marcel Holtmann <[email protected]>
> Sent: Friday, July 30, 2021 7:40 PM
> To: K, Kiran <[email protected]>
> Cc: [email protected]; Srivatsa, Ravishankar
> <[email protected]>; Tumkur Narayan, Chethan
> <[email protected]>
> Subject: Re: [PATCH v11 03/10] Bluetooth: btintel: Read supported offload
> usecases
>
> Hi Kiran,
>
> > Read offload usecases supported by controller.
> >
> > Signed-off-by: Kiran K <[email protected]>
> > Reviewed-by: Chethan T N <[email protected]>
> > Reviewed-by: Srivatsa Ravishankar <[email protected]>
> > ---
> > * changes in v11:
> > - Remove Kconfig related changes
> > * changes in v10:
> > - restructure patch to have definition and call of callaback in the
> > same patch
> > * changes in v9:
> > - define a separate patch for core changes
> >
> > drivers/bluetooth/btintel.c | 30 ++++++++++++++++++++++++++++++
> > drivers/bluetooth/btintel.h | 10 ++++++++++
> > drivers/bluetooth/btusb.c | 3 +++
> > 3 files changed, 43 insertions(+)
> >
> > diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
> > index e44b6993cf91..a6b81914766e 100644
> > --- a/drivers/bluetooth/btintel.c
> > +++ b/drivers/bluetooth/btintel.c
> > @@ -1272,6 +1272,36 @@ int btintel_set_debug_features(struct hci_dev
> > *hdev, } EXPORT_SYMBOL_GPL(btintel_set_debug_features);
> >
> > +int btintel_configure_offload_usecases(struct hci_dev *hdev) {
> > + struct sk_buff *skb;
> > + int err = 0;
> > + struct intel_offload_usecases *usecases;
> > +
> > + skb = __hci_cmd_sync(hdev, 0xfc86, 0, NULL, HCI_INIT_TIMEOUT);
> > + if (IS_ERR(skb)) {
> > + bt_dev_err(hdev, "Reading offload usecases failed (%ld)",
> > + PTR_ERR(skb));
> > + return PTR_ERR(skb);
> > + }
> > +
> > + if (skb->len < sizeof(*usecases)) {
> > + err = -EIO;
> > + goto error;
> > + }
> > +
> > + usecases = (void *)skb->data;
> > +
> > + if (usecases->status) {
> > + err = -bt_to_errno(skb->data[0]);
> > + goto error;
> > + }
> > +error:
> > + kfree_skb(skb);
> > + return err;
> > +}
> > +EXPORT_SYMBOL_GPL(btintel_configure_offload_usecases);
> > +
> > MODULE_AUTHOR("Marcel Holtmann <[email protected]>");
> > MODULE_DESCRIPTION("Bluetooth support for Intel devices ver "
> > VERSION); MODULE_VERSION(VERSION); diff --git
> > a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h index
> > d184064a5e7c..45ca5c4ccf37 100644
> > --- a/drivers/bluetooth/btintel.h
> > +++ b/drivers/bluetooth/btintel.h
> > @@ -132,6 +132,11 @@ struct intel_debug_features {
> > __u8 page1[16];
> > } __packed;
> >
> > +struct intel_offload_usecases {
> > + __u8 status;
> > + __u8 preset[8];
> > +} __packed;
> > +
> > #define INTEL_HW_PLATFORM(cnvx_bt) ((u8)(((cnvx_bt) &
> 0x0000ff00) >> 8))
> > #define INTEL_HW_VARIANT(cnvx_bt) ((u8)(((cnvx_bt) &
> 0x003f0000) >> 16))
> > #define INTEL_CNVX_TOP_TYPE(cnvx_top) ((cnvx_top) & 0x00000fff)
> > @@ -175,6 +180,7 @@ int btintel_read_debug_features(struct hci_dev
> *hdev,
> > struct intel_debug_features *features); int
> > btintel_set_debug_features(struct hci_dev *hdev,
> > const struct intel_debug_features *features);
> > +int btintel_configure_offload_usecases(struct hci_dev *hdev);
>
> so usecases is not, it would be offload_use_cases. However
> btintel_configure_offload is just fine as a function name. With the work from
> Tedd, this would be removed anyway and all done internally via the hdev-
> >setup().

Ok. I will rebase my patches over Tedd's patches.
>
> Regards
>
> Marcel

Regards,
Kiran