Bluetooth: Add structures for LE Data Length Extension feature

This patch adds the structures for HCI commands and events of the
LE Data Length Extension feature from Bluetooth 4.2 specification.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 40129b3..f39926e 100644 (file)
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -343,6 +343,7 @@ enum {
 #define HCI_LE_ENCRYPTION              0x01
 #define HCI_LE_CONN_PARAM_REQ_PROC     0x02
 #define HCI_LE_PING                    0x10
+#define HCI_LE_DATA_LEN_EXT            0x20
 #define HCI_LE_EXT_SCAN_POLICY         0x80
 
 /* Connection modes */
@@ -1371,6 +1372,39 @@ struct hci_cp_le_conn_param_req_neg_reply {
        __u8    reason;
 } __packed;
 
+#define HCI_OP_LE_SET_DATA_LEN         0x2022
+struct hci_cp_le_set_data_len {
+       __le16  handle;
+       __le16  tx_len;
+       __le16  tx_time;
+} __packed;
+struct hci_rp_le_set_data_len {
+       __u8    status;
+       __le16  handle;
+} __packed;
+
+#define HCI_OP_LE_READ_DEF_DATA_LEN    0x2023
+struct hci_rp_le_read_def_data_len {
+       __u8    status;
+       __le16  tx_len;
+       __le16  tx_time;
+} __packed;
+
+#define HCI_OP_LE_WRITE_DEF_DATA_LEN   0x2024
+struct hci_cp_le_write_def_data_len {
+       __le16  tx_len;
+       __le16  tx_time;
+} __packed;
+
+#define HCI_OP_LE_READ_MAX_DATA_LEN    0x202f
+struct hci_rp_le_read_max_data_len {
+       __u8    status;
+       __le16  tx_len;
+       __le16  tx_time;
+       __le16  rx_len;
+       __le16  rx_time;
+} __packed;
+
 /* ---- HCI Events ---- */
 #define HCI_EV_INQUIRY_COMPLETE                0x01
 
@@ -1796,6 +1830,15 @@ struct hci_ev_le_remote_conn_param_req {
        __le16 timeout;
 } __packed;
 
+#define HCI_EV_LE_DATA_LEN_CHANGE      0x07
+struct hci_ev_le_data_len_change {
+       __le16  handle;
+       __le16  tx_len;
+       __le16  tx_time;
+       __le16  rx_len;
+       __le16  rx_time;
+} __packed;
+
 #define HCI_EV_LE_DIRECT_ADV_REPORT    0x0B
 struct hci_ev_le_direct_adv_info {
        __u8     evt_type;