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Bluetooth: btusb: Move btusb_recv_event_intel to btintel

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btusb_recv_event_intel is specific to Intel controllers therefore it
shall be placed inside btintel.c so btusb don't have a mix of vendor
specific code with the generic parts.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2023-07-20 15:16:32 -07:00
parent f904feefe6
commit 123c263118
3 changed files with 76 additions and 74 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
drivers/bluetooth/btintel.c
View File

@ -2948,6 +2948,80 @@ int btintel_configure_setup(struct hci_dev *hdev, const char *driver_name)
}
EXPORT_SYMBOL_GPL(btintel_configure_setup);
static int btintel_diagnostics(struct hci_dev *hdev, struct sk_buff *skb)
{
struct intel_tlv *tlv = (void *)&skb->data[5];
/* The first event is always an event type TLV */
if (tlv->type != INTEL_TLV_TYPE_ID)
goto recv_frame;
switch (tlv->val[0]) {
case INTEL_TLV_SYSTEM_EXCEPTION:
case INTEL_TLV_FATAL_EXCEPTION:
case INTEL_TLV_DEBUG_EXCEPTION:
case INTEL_TLV_TEST_EXCEPTION:
/* Generate devcoredump from exception */
if (!hci_devcd_init(hdev, skb->len)) {
hci_devcd_append(hdev, skb);
hci_devcd_complete(hdev);
} else {
bt_dev_err(hdev, "Failed to generate devcoredump");
kfree_skb(skb);
}
return 0;
default:
bt_dev_err(hdev, "Invalid exception type %02X", tlv->val[0]);
}
recv_frame:
return hci_recv_frame(hdev, skb);
}
int btintel_recv_event(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_event_hdr *hdr = (void *)skb->data;
const char diagnostics_hdr[] = { 0x87, 0x80, 0x03 };
if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
hdr->plen > 0) {
const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) {
switch (skb->data[2]) {
case 0x02:
/* When switching to the operational firmware
* the device sends a vendor specific event
* indicating that the bootup completed.
*/
btintel_bootup(hdev, ptr, len);
break;
case 0x06:
/* When the firmware loading completes the
* device sends out a vendor specific event
* indicating the result of the firmware
* loading.
*/
btintel_secure_send_result(hdev, ptr, len);
break;
}
}
/* Handle all diagnostics events separately. May still call
* hci_recv_frame.
*/
if (len >= sizeof(diagnostics_hdr) &&
memcmp(&skb->data[2], diagnostics_hdr,
sizeof(diagnostics_hdr)) == 0) {
return btintel_diagnostics(hdev, skb);
}
}
return hci_recv_frame(hdev, skb);
}
EXPORT_SYMBOL_GPL(btintel_recv_event);
void btintel_bootup(struct hci_dev *hdev, const void *ptr, unsigned int len)
{
const struct intel_bootup *evt = ptr;

1
drivers/bluetooth/btintel.h
View File

@ -222,6 +222,7 @@ int btintel_read_boot_params(struct hci_dev *hdev,
int btintel_download_firmware(struct hci_dev *dev, struct intel_version *ver,
const struct firmware *fw, u32 *boot_param);
int btintel_configure_setup(struct hci_dev *hdev, const char *driver_name);
int btintel_recv_event(struct hci_dev *hdev, struct sk_buff *skb);
void btintel_bootup(struct hci_dev *hdev, const void *ptr, unsigned int len);
void btintel_secure_send_result(struct hci_dev *hdev,
const void *ptr, unsigned int len);

75
drivers/bluetooth/btusb.c
View File

@ -2492,79 +2492,6 @@ static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
return btusb_recv_bulk(data, buffer, count);
}
static int btusb_intel_diagnostics(struct hci_dev *hdev, struct sk_buff *skb)
{
struct intel_tlv *tlv = (void *)&skb->data[5];
/* The first event is always an event type TLV */
if (tlv->type != INTEL_TLV_TYPE_ID)
goto recv_frame;
switch (tlv->val[0]) {
case INTEL_TLV_SYSTEM_EXCEPTION:
case INTEL_TLV_FATAL_EXCEPTION:
case INTEL_TLV_DEBUG_EXCEPTION:
case INTEL_TLV_TEST_EXCEPTION:
/* Generate devcoredump from exception */
if (!hci_devcd_init(hdev, skb->len)) {
hci_devcd_append(hdev, skb);
hci_devcd_complete(hdev);
} else {
bt_dev_err(hdev, "Failed to generate devcoredump");
kfree_skb(skb);
}
return 0;
default:
bt_dev_err(hdev, "Invalid exception type %02X", tlv->val[0]);
}
recv_frame:
return hci_recv_frame(hdev, skb);
}
static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_event_hdr *hdr = (void *)skb->data;
const char diagnostics_hdr[] = { 0x87, 0x80, 0x03 };
if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
hdr->plen > 0) {
const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) {
switch (skb->data[2]) {
case 0x02:
/* When switching to the operational firmware
* the device sends a vendor specific event
* indicating that the bootup completed.
*/
btintel_bootup(hdev, ptr, len);
break;
case 0x06:
/* When the firmware loading completes the
* device sends out a vendor specific event
* indicating the result of the firmware
* loading.
*/
btintel_secure_send_result(hdev, ptr, len);
break;
}
}
/* Handle all diagnostics events separately. May still call
* hci_recv_frame.
*/
if (len >= sizeof(diagnostics_hdr) &&
memcmp(&skb->data[2], diagnostics_hdr,
sizeof(diagnostics_hdr)) == 0) {
return btusb_intel_diagnostics(hdev, skb);
}
}
return hci_recv_frame(hdev, skb);
}
static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
{
struct urb *urb;
@ -4350,7 +4277,7 @@ static int btusb_probe(struct usb_interface *intf,
priv_size += sizeof(struct btintel_data);
/* Override the rx handlers */
data->recv_event = btusb_recv_event_intel;
data->recv_event = btintel_recv_event;
data->recv_bulk = btusb_recv_bulk_intel;
} else if (id->driver_info & BTUSB_REALTEK) {
/* Allocate extra space for Realtek device */