diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index f1766a6f4954..7f12c25f1fca 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -1045,6 +1045,12 @@ struct hci_rp_le_ltk_neg_reply { __le16 handle; } __packed; +#define HCI_OP_LE_READ_SUPPORTED_STATES 0x201c +struct hci_rp_le_read_supported_states { + __u8 status; + __u8 le_states[8]; +} __packed; + /* ---- HCI Events ---- */ #define HCI_EV_INQUIRY_COMPLETE 0x01 diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index d6ed4ac18d83..bcf8ffe2a843 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -154,6 +154,7 @@ struct hci_dev { __u8 host_features[8]; __u8 le_features[8]; __u8 le_white_list_size; + __u8 le_states[8]; __u8 commands[64]; __u8 hci_ver; __u16 hci_rev; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index d2fee64b728c..d4fcba6ec23e 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -617,6 +617,9 @@ static void le_setup(struct hci_dev *hdev) /* Read LE White List Size */ hci_send_cmd(hdev, HCI_OP_LE_READ_WHITE_LIST_SIZE, 0, NULL); + + /* Read LE Supported States */ + hci_send_cmd(hdev, HCI_OP_LE_READ_SUPPORTED_STATES, 0, NULL); } static void hci_setup(struct hci_dev *hdev) @@ -1346,6 +1349,19 @@ static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status); } +static void hci_cc_le_read_supported_states(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_supported_states *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (!rp->status) + memcpy(hdev->le_states, rp->le_states, 8); + + hci_req_complete(hdev, HCI_OP_LE_READ_SUPPORTED_STATES, rp->status); +} + static void hci_cc_write_le_host_supported(struct hci_dev *hdev, struct sk_buff *skb) { @@ -2712,6 +2728,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_le_ltk_neg_reply(hdev, skb); break; + case HCI_OP_LE_READ_SUPPORTED_STATES: + hci_cc_le_read_supported_states(hdev, skb); + break; + case HCI_OP_WRITE_LE_HOST_SUPPORTED: hci_cc_write_le_host_supported(hdev, skb); break;