From 821f37666815c9f3a7a4d195ce9184ad4d084942 Mon Sep 17 00:00:00 2001 From: Johan Hedberg Date: Thu, 11 Jun 2015 13:52:29 +0300 Subject: Bluetooth: Read encryption key size for BR/EDR connections Since Bluetooth 3.0 there's a HCI command available for reading the encryption key size of an BR/EDR connection. This information is essential e.g. for generating an LTK using SMP over BR/EDR, so store it as part of struct hci_conn. Signed-off-by: Johan Hedberg Signed-off-by: Marcel Holtmann --- include/net/bluetooth/hci.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include/net/bluetooth/hci.h') diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index d95da83cb1b0..7ca6690355ea 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -1202,6 +1202,16 @@ struct hci_rp_read_clock { __le16 accuracy; } __packed; +#define HCI_OP_READ_ENC_KEY_SIZE 0x1408 +struct hci_cp_read_enc_key_size { + __le16 handle; +} __packed; +struct hci_rp_read_enc_key_size { + __u8 status; + __le16 handle; + __u8 key_size; +} __packed; + #define HCI_OP_READ_LOCAL_AMP_INFO 0x1409 struct hci_rp_read_local_amp_info { __u8 status; -- cgit v1.2.3-59-g8ed1b