Bluetooth: Add mgmt_device_found event

This patch adds a device_found event to the Management interface. For
now the event only maps to BR/EDR inquiry result HCI events, but in the
future the plan is to also use it for the LE device discovery process.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 3b2f09d..2a88fc8 100644 (file)
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -787,6 +787,8 @@ int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status);
 int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status);
 int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
                                                                u8 status);
+int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
+                                                               u8 *eir);
 
 /* HCI info for socket */
 #define hci_pi(sk) ((struct hci_pinfo *) sk)

diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 1a6283f..864d0cb 100644 (file)
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -267,3 +267,11 @@ struct mgmt_ev_auth_failed {
 struct mgmt_ev_local_name_changed {
        __u8 name[MGMT_MAX_NAME_LENGTH];
 } __packed;
+
+#define MGMT_EV_DEVICE_FOUND           0x0012
+struct mgmt_ev_device_found {
+       bdaddr_t bdaddr;
+       __u8 dev_class[3];
+       __s8 rssi;
+       __u8 eir[HCI_MAX_EIR_LENGTH];
+} __packed;

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 833797e..d04011c 100644 (file)
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1228,7 +1228,7 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *
 
        hci_dev_lock(hdev);
 
-       for (; num_rsp; num_rsp--) {
+       for (; num_rsp; num_rsp--, info++) {
                bacpy(&data.bdaddr, &info->bdaddr);
                data.pscan_rep_mode     = info->pscan_rep_mode;
                data.pscan_period_mode  = info->pscan_period_mode;
@@ -1237,8 +1237,9 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *
                data.clock_offset       = info->clock_offset;
                data.rssi               = 0x00;
                data.ssp_mode           = 0x00;
-               info++;
                hci_inquiry_cache_update(hdev, &data);
+               mgmt_device_found(hdev->id, &info->bdaddr, info->dev_class, 0,
+                                                                       NULL);
        }
 
        hci_dev_unlock(hdev);
@@ -2158,7 +2159,7 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
                struct inquiry_info_with_rssi_and_pscan_mode *info;
                info = (void *) (skb->data + 1);
 
-               for (; num_rsp; num_rsp--) {
+               for (; num_rsp; num_rsp--, info++) {
                        bacpy(&data.bdaddr, &info->bdaddr);
                        data.pscan_rep_mode     = info->pscan_rep_mode;
                        data.pscan_period_mode  = info->pscan_period_mode;
@@ -2167,13 +2168,15 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
                        data.clock_offset       = info->clock_offset;
                        data.rssi               = info->rssi;
                        data.ssp_mode           = 0x00;
-                       info++;
                        hci_inquiry_cache_update(hdev, &data);
+                       mgmt_device_found(hdev->id, &info->bdaddr,
+                                               info->dev_class, info->rssi,
+                                               NULL);
                }
        } else {
                struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
 
-               for (; num_rsp; num_rsp--) {
+               for (; num_rsp; num_rsp--, info++) {
                        bacpy(&data.bdaddr, &info->bdaddr);
                        data.pscan_rep_mode     = info->pscan_rep_mode;
                        data.pscan_period_mode  = info->pscan_period_mode;
@@ -2182,8 +2185,10 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
                        data.clock_offset       = info->clock_offset;
                        data.rssi               = info->rssi;
                        data.ssp_mode           = 0x00;
-                       info++;
                        hci_inquiry_cache_update(hdev, &data);
+                       mgmt_device_found(hdev->id, &info->bdaddr,
+                                               info->dev_class, info->rssi,
+                                               NULL);
                }
        }
 
@@ -2314,7 +2319,7 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
 
        hci_dev_lock(hdev);
 
-       for (; num_rsp; num_rsp--) {
+       for (; num_rsp; num_rsp--, info++) {
                bacpy(&data.bdaddr, &info->bdaddr);
                data.pscan_rep_mode     = info->pscan_rep_mode;
                data.pscan_period_mode  = info->pscan_period_mode;
@@ -2323,8 +2328,9 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
                data.clock_offset       = info->clock_offset;
                data.rssi               = info->rssi;
                data.ssp_mode           = 0x01;
-               info++;
                hci_inquiry_cache_update(hdev, &data);
+               mgmt_device_found(hdev->id, &info->bdaddr, info->dev_class,
+                                               info->rssi, info->data);
        }
 
        hci_dev_unlock(hdev);

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index f87691e..86fb502 100644 (file)
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2046,3 +2046,20 @@ int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
 
        return err;
 }
+
+int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
+                                                               u8 *eir)
+{
+       struct mgmt_ev_device_found ev;
+
+       memset(&ev, 0, sizeof(ev));
+
+       bacpy(&ev.bdaddr, bdaddr);
+       memcpy(ev.dev_class, dev_class, sizeof(ev.dev_class));
+       ev.rssi = rssi;
+
+       if (eir)
+               memcpy(ev.eir, eir, sizeof(ev.eir));
+
+       return mgmt_event(MGMT_EV_DEVICE_FOUND, index, &ev, sizeof(ev), NULL);
+}