From: h.sandeep <h.sandeep@samsung.com>
Date: Tue, 15 Nov 2016 11:18:34 +0000 (+0530)
Subject: Bluetooth: Add MGMT interface for setting IRK
X-Git-Tag: submit/tizen/20161216.052309~130
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9612b4f578275e35d4d8586d923e36161e90a056;p=platform%2Fkernel%2Flinux-exynos.git

Bluetooth: Add MGMT interface for setting IRK

It is required to set IRK from BlueZ if privacy feature is disabled,
so this patch adds setting IRK interface to MGMT.

Change-Id: I68183b6003c6292e0f7c95b8fe9c0d04890063b5
Signed-off-by: h.sandeep <h.sandeep@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
---

diff --git a/include/net/bluetooth/mgmt_tizen.h b/include/net/bluetooth/mgmt_tizen.h
index cfb9d5064789..a2ec784da31a 100644
--- a/include/net/bluetooth/mgmt_tizen.h
+++ b/include/net/bluetooth/mgmt_tizen.h
@@ -222,6 +222,12 @@ struct mgmt_rp_le_set_data_length {
 } __packed;
 #define MGMT_LE_SET_DATA_LENGTH_RSP_SIZE	3
 
+#define MGMT_OP_SET_IRK				(TIZEN_OP_CODE_BASE + 0x19)
+struct mgmt_cp_set_irk {
+	uint8_t	irk[16];
+} __packed;
+#define MGMT_SET_IRK_SIZE			16
+
 /* EVENTS */
 
 /* For device name update changes */
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 565b4400663b..3fbcfdbe219d 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -7809,6 +7809,31 @@ void mgmt_le_data_length_change_complete(struct hci_dev *hdev,
 
 	mgmt_event(MGMT_EV_LE_DATA_LENGTH_CHANGED, hdev, &ev, sizeof(ev), NULL);
 }
+
+static int set_irk(struct sock *sk, struct hci_dev *hdev, void *cp_data,
+		   u16 len)
+{
+	struct mgmt_cp_set_irk *cp = cp_data;
+	int err;
+
+	BT_DBG("request for %s", hdev->name);
+
+	hci_dev_lock(hdev);
+
+	if (!lmp_le_capable(hdev)) {
+		err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_IRK,
+				      MGMT_STATUS_NOT_SUPPORTED);
+		goto unlocked;
+	}
+
+	memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
+
+	err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IRK, 0, NULL, 0);
+
+unlocked:
+	hci_dev_unlock(hdev);
+	return err;
+}
 #endif /* TIZEN_BT */
 
 static bool ltk_is_valid(struct mgmt_ltk_info *key)
@@ -9710,6 +9735,7 @@ static const struct hci_mgmt_handler tizen_mgmt_handlers[] = {
 				   MGMT_LE_READ_HOST_SUGGESTED_DATA_LENGTH_SIZE },
 	{ set_le_data_length_params,
 				   MGMT_LE_SET_DATA_LENGTH_SIZE },
+	{ set_irk,                 MGMT_SET_IRK_SIZE },
 };
 #endif