Bluetooth: Write LE Host Supported command
This patch adds a handler to Write LE Host Supported command complete
events. Once this commands has completed successfully, we should
read the extended LMP features and update the extfeatures field in
hci_dev.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 741a2d6..ed1de1b 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -654,6 +654,12 @@
#define HCI_OP_READ_INQ_RSP_TX_POWER 0x0c58
+#define HCI_OP_WRITE_LE_HOST_SUPPORTED 0x0c6d
+struct hci_cp_write_le_host_supported {
+ __u8 le;
+ __u8 simul;
+} __packed;
+
#define HCI_OP_READ_LOCAL_VERSION 0x1001
struct hci_rp_read_local_version {
__u8 status;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 93d528c..4ed59a8 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -915,6 +915,21 @@
hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
}
+static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_cp_read_local_ext_features cp;
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ if (status)
+ return;
+
+ cp.page = 0x01;
+ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), &cp);
+}
+
static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
{
BT_DBG("%s status 0x%x", hdev->name, status);
@@ -1921,6 +1936,10 @@
hci_cc_le_ltk_neg_reply(hdev, skb);
break;
+ case HCI_OP_WRITE_LE_HOST_SUPPORTED:
+ hci_cc_write_le_host_supported(hdev, skb);
+ break;
+
default:
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
break;