From 91c4e9b1ac595f83681c9a9de691e0f30eeafb44 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Sun, 11 Mar 2012 19:27:21 -0700 Subject: [PATCH] Bluetooth: Add TX power tag to EIR data The Inquiry Response TX power tag should be added to the Extended Inquiry Data (EIR) as well. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- include/net/bluetooth/hci.h | 4 ++++ include/net/bluetooth/hci_core.h | 1 + net/bluetooth/hci_event.c | 9 ++++++--- net/bluetooth/mgmt.c | 9 +++++++++ 4 files changed, 20 insertions(+), 3 deletions(-) diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index d47e523c9d83..3edb3e759ffe 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -717,6 +717,10 @@ struct hci_rp_read_local_oob_data { } __packed; #define HCI_OP_READ_INQ_RSP_TX_POWER 0x0c58 +struct hci_rp_read_inq_rsp_tx_power { + __u8 status; + __s8 tx_power; +} __packed; #define HCI_OP_READ_FLOW_CONTROL_MODE 0x0c66 struct hci_rp_read_flow_control_mode { diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index c80a9684a144..ce09bf1592e2 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -158,6 +158,7 @@ struct hci_dev { __u16 lmp_subver; __u16 voice_setting; __u8 io_capability; + __s8 inq_tx_power; __u16 pkt_type; __u16 esco_type; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 50ff9a989531..75f01d1b126f 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -887,11 +887,14 @@ static void hci_cc_write_inquiry_mode(struct hci_dev *hdev, static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, struct sk_buff *skb) { - __u8 status = *((__u8 *) skb->data); + struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%x", hdev->name, rp->status); + + if (!rp->status) + hdev->inq_tx_power = rp->tx_power; - hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, status); + hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, rp->status); } static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb) diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 4a2fb06226fc..02b89e299ff8 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -479,6 +479,15 @@ static void create_eir(struct hci_dev *hdev, u8 *data) ptr += (name_len + 2); } + if (hdev->inq_tx_power) { + ptr[0] = 2; + ptr[1] = EIR_TX_POWER; + ptr[2] = (u8) hdev->inq_tx_power; + + eir_len += 3; + ptr += 3; + } + memset(uuid16_list, 0, sizeof(uuid16_list)); /* Group all UUID16 types */ -- GitLab