Bluetooth: btintel: Create common Intel Secure Send function
The Intel Secure Send command is used the same in USB and UART drivers
and with that move a generic version into the Intel module.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 8b160858..d3b0fb5 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -123,6 +123,31 @@
}
EXPORT_SYMBOL_GPL(btintel_hw_error);
+int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type, u32 plen,
+ const void *param)
+{
+ while (plen > 0) {
+ struct sk_buff *skb;
+ u8 cmd_param[253], fragment_len = (plen > 252) ? 252 : plen;
+
+ cmd_param[0] = fragment_type;
+ memcpy(cmd_param + 1, param, fragment_len);
+
+ skb = __hci_cmd_sync(hdev, 0xfc09, fragment_len + 1,
+ cmd_param, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ kfree_skb(skb);
+
+ plen -= fragment_len;
+ param += fragment_len;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_secure_send);
+
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
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 c4680cd..ec89e3c 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -75,6 +75,9 @@
int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
void btintel_hw_error(struct hci_dev *hdev, u8 code);
+int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type, u32 plen,
+ const void *param);
+
#else
static inline int btintel_check_bdaddr(struct hci_dev *hdev)
@@ -91,4 +94,10 @@
{
}
+static inline int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type,
+ u32 plen, const void *param)
+{
+ return -EOPNOTSUPP;
+}
+
#endif
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 21bdb89..de7395f 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1878,30 +1878,6 @@
return -EILSEQ;
}
-static int btusb_intel_secure_send(struct hci_dev *hdev, u8 fragment_type,
- u32 plen, const void *param)
-{
- while (plen > 0) {
- struct sk_buff *skb;
- u8 cmd_param[253], fragment_len = (plen > 252) ? 252 : plen;
-
- cmd_param[0] = fragment_type;
- memcpy(cmd_param + 1, param, fragment_len);
-
- skb = __hci_cmd_sync(hdev, 0xfc09, fragment_len + 1,
- cmd_param, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb))
- return PTR_ERR(skb);
-
- kfree_skb(skb);
-
- plen -= fragment_len;
- param += fragment_len;
- }
-
- return 0;
-}
-
static void btusb_intel_version_info(struct hci_dev *hdev,
struct intel_version *ver)
{
@@ -2104,7 +2080,7 @@
/* Start the firmware download transaction with the Init fragment
* represented by the 128 bytes of CSS header.
*/
- err = btusb_intel_secure_send(hdev, 0x00, 128, fw->data);
+ err = btintel_secure_send(hdev, 0x00, 128, fw->data);
if (err < 0) {
BT_ERR("%s: Failed to send firmware header (%d)",
hdev->name, err);
@@ -2114,7 +2090,7 @@
/* Send the 256 bytes of public key information from the firmware
* as the PKey fragment.
*/
- err = btusb_intel_secure_send(hdev, 0x03, 256, fw->data + 128);
+ err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
if (err < 0) {
BT_ERR("%s: Failed to send firmware public key (%d)",
hdev->name, err);
@@ -2124,7 +2100,7 @@
/* Send the 256 bytes of signature information from the firmware
* as the Sign fragment.
*/
- err = btusb_intel_secure_send(hdev, 0x02, 256, fw->data + 388);
+ err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
if (err < 0) {
BT_ERR("%s: Failed to send firmware signature (%d)",
hdev->name, err);
@@ -2148,8 +2124,7 @@
* firmware data buffer as a single Data fragement.
*/
if (!(frag_len % 4)) {
- err = btusb_intel_secure_send(hdev, 0x01, frag_len,
- fw_ptr);
+ err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
if (err < 0) {
BT_ERR("%s: Failed to send firmware data (%d)",
hdev->name, err);
diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c
index 06398cc..bc66a9b 100644
--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -111,30 +111,6 @@
return hci_recv_frame(hdev, skb);
}
-static int intel_secure_send(struct hci_dev *hdev, u8 fragment_type,
- u32 plen, const void *param)
-{
- while (plen > 0) {
- struct sk_buff *skb;
- u8 cmd_param[253], fragment_len = (plen > 252) ? 252 : plen;
-
- cmd_param[0] = fragment_type;
- memcpy(cmd_param + 1, param, fragment_len);
-
- skb = __hci_cmd_sync(hdev, 0xfc09, fragment_len + 1,
- cmd_param, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb))
- return PTR_ERR(skb);
-
- kfree_skb(skb);
-
- plen -= fragment_len;
- param += fragment_len;
- }
-
- return 0;
-}
-
static void intel_version_info(struct hci_dev *hdev,
struct intel_version *ver)
{
@@ -350,7 +326,7 @@
/* Start the firmware download transaction with the Init fragment
* represented by the 128 bytes of CSS header.
*/
- err = intel_secure_send(hdev, 0x00, 128, fw->data);
+ err = btintel_secure_send(hdev, 0x00, 128, fw->data);
if (err < 0) {
BT_ERR("%s: Failed to send firmware header (%d)",
hdev->name, err);
@@ -360,7 +336,7 @@
/* Send the 256 bytes of public key information from the firmware
* as the PKey fragment.
*/
- err = intel_secure_send(hdev, 0x03, 256, fw->data + 128);
+ err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
if (err < 0) {
BT_ERR("%s: Failed to send firmware public key (%d)",
hdev->name, err);
@@ -370,7 +346,7 @@
/* Send the 256 bytes of signature information from the firmware
* as the Sign fragment.
*/
- err = intel_secure_send(hdev, 0x02, 256, fw->data + 388);
+ err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
if (err < 0) {
BT_ERR("%s: Failed to send firmware signature (%d)",
hdev->name, err);
@@ -402,7 +378,7 @@
/* Send each command from the firmware data buffer as
* a single Data fragment.
*/
- err = intel_secure_send(hdev, 0x01, frag_len, fw_ptr);
+ err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
if (err < 0) {
BT_ERR("%s: Failed to send firmware data (%d)",
hdev->name, err);