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Bluetooth: Store RSSI for connection

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This patch adds support to store RSSI for connection when reply for
HCI_Read_RSSI is received.

Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Andrzej Kaczmarek 2014-05-08 15:32:08 +02:00 committed by Marcel Holtmann
parent 38e4a91566
commit 5ae76a9415
3 changed files with 34 additions and 0 deletions
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10
include/net/bluetooth/hci.h
View file

@ -1064,6 +1064,16 @@ struct hci_rp_read_page_scan_type {
#define PAGE_SCAN_TYPE_STANDARD 0x00
#define PAGE_SCAN_TYPE_INTERLACED 0x01
#define HCI_OP_READ_RSSI 0x1405
struct hci_cp_read_rssi {
__le16 handle;
} __packed;
struct hci_rp_read_rssi {
__u8 status;
__le16 handle;
__s8 rssi;
} __packed;
#define HCI_OP_READ_LOCAL_AMP_INFO 0x1409
struct hci_rp_read_local_amp_info {
__u8 status;

1
include/net/bluetooth/hci_core.h
View file

@ -374,6 +374,7 @@ struct hci_conn {
__u16 setting;
__u16 le_conn_min_interval;
__u16 le_conn_max_interval;
__s8 rssi;
unsigned long flags;
__u8 remote_cap;

23
net/bluetooth/hci_event.c
View file

@ -1245,6 +1245,25 @@ static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
amp_write_rem_assoc_continue(hdev, rp->phy_handle);
}
static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_rssi *rp = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
if (rp->status)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
if (conn)
conn->rssi = rp->rssi;
hci_dev_unlock(hdev);
}
static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
{
BT_DBG("%s status 0x%2.2x", hdev->name, status);
@ -2637,6 +2656,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_write_remote_amp_assoc(hdev, skb);
break;
case HCI_OP_READ_RSSI:
hci_cc_read_rssi(hdev, skb);
break;
default:
BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
break;