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-rw-r--r--include/net/bluetooth/hci.h4
-rw-r--r--include/net/bluetooth/hci_core.h1
-rw-r--r--net/bluetooth/hci_event.c27
3 files changed, 32 insertions, 0 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 65345cd215be..741a2d658ad4 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -216,6 +216,7 @@ enum {
#define LMP_LSTO 0x01
#define LMP_INQ_TX_PWR 0x02
+#define LMP_EXTFEATURES 0x80
/* Connection modes */
#define HCI_CM_ACTIVE 0x0000
@@ -676,6 +677,9 @@ struct hci_rp_read_local_features {
} __packed;
#define HCI_OP_READ_LOCAL_EXT_FEATURES 0x1004
+struct hci_cp_read_local_ext_features {
+ __u8 page;
+} __packed;
struct hci_rp_read_local_ext_features {
__u8 status;
__u8 page;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 90d81f9b19a2..eb7fe99979e1 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -113,6 +113,7 @@ struct hci_dev {
__u8 major_class;
__u8 minor_class;
__u8 features[8];
+ __u8 extfeatures[8];
__u8 commands[64];
__u8 ssp_mode;
__u8 hci_ver;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index ac2c5e89617c..93d528cddaa7 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -542,6 +542,14 @@ static void hci_setup(struct hci_dev *hdev)
if (hdev->features[7] & LMP_INQ_TX_PWR)
hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
+
+ if (hdev->features[7] & LMP_EXTFEATURES) {
+ struct hci_cp_read_local_ext_features cp;
+
+ cp.page = 0x01;
+ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES,
+ sizeof(cp), &cp);
+ }
}
static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
@@ -658,6 +666,21 @@ static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb
hdev->features[6], hdev->features[7]);
}
+static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ memcpy(hdev->extfeatures, rp->features, 8);
+
+ hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
+}
+
static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_buffer_size *rp = (void *) skb->data;
@@ -1826,6 +1849,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_read_local_features(hdev, skb);
break;
+ case HCI_OP_READ_LOCAL_EXT_FEATURES:
+ hci_cc_read_local_ext_features(hdev, skb);
+ break;
+
case HCI_OP_READ_BUFFER_SIZE:
hci_cc_read_buffer_size(hdev, skb);
break;