From: Brian Gix <brian.gix@intel.com>
Date: Wed, 27 Oct 2021 16:58:58 -0700
Subject: Bluetooth: hci_sync: Convert MGMT_OP_SSP
Patch-mainline: v5.17-rc1
Git-commit: 3244845c6307fa6f4fa2eabe5259d2c93c837dce
References: jsc#PED-1407

mgmt-tester paths:
Set SSP on - Success 2
Set Device ID - SSP off and Power on

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
 include/net/bluetooth/hci_core.h |    1 
 include/net/bluetooth/hci_sync.h |    1 
 net/bluetooth/hci_event.c        |    4 -
 net/bluetooth/hci_sync.c         |    7 +
 net/bluetooth/mgmt.c             |  150 ++++++++++++++++++---------------------
 5 files changed, 80 insertions(+), 83 deletions(-)

--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1806,7 +1806,6 @@ int mgmt_user_passkey_notify(struct hci_
 			     u8 entered);
 void mgmt_auth_failed(struct hci_conn *conn, u8 status);
 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
-void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
 				    u8 status);
 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
--- a/include/net/bluetooth/hci_sync.h
+++ b/include/net/bluetooth/hci_sync.h
@@ -47,6 +47,7 @@ int hci_update_class_sync(struct hci_dev
 int hci_update_eir_sync(struct hci_dev *hdev);
 int hci_update_class_sync(struct hci_dev *hdev);
 int hci_update_name_sync(struct hci_dev *hdev);
+int hci_write_ssp_mode_sync(struct hci_dev *hdev, u8 mode);
 
 int hci_update_random_address_sync(struct hci_dev *hdev, bool require_privacy,
 				   bool rpa, u8 *own_addr_type);
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -545,9 +545,7 @@ static void hci_cc_write_ssp_mode(struct
 			hdev->features[1][0] &= ~LMP_HOST_SSP;
 	}
 
-	if (hci_dev_test_flag(hdev, HCI_MGMT))
-		mgmt_ssp_enable_complete(hdev, sent->mode, status);
-	else if (!status) {
+	if (!status) {
 		if (sent->mode)
 			hci_dev_set_flag(hdev, HCI_SSP_ENABLED);
 		else
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -2142,7 +2142,7 @@ int hci_write_sc_support_sync(struct hci
 	return err;
 }
 
-static int hci_write_ssp_mode_sync(struct hci_dev *hdev, u8 mode)
+int hci_write_ssp_mode_sync(struct hci_dev *hdev, u8 mode)
 {
 	int err;
 
@@ -2150,6 +2150,11 @@ static int hci_write_ssp_mode_sync(struc
 	    lmp_host_ssp_capable(hdev))
 		return 0;
 
+	if (!mode && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) {
+		__hci_cmd_sync_status(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
+				      sizeof(mode), &mode, HCI_CMD_TIMEOUT);
+	}
+
 	err = __hci_cmd_sync_status(hdev, HCI_OP_WRITE_SSP_MODE,
 				    sizeof(mode), &mode, HCI_CMD_TIMEOUT);
 	if (err)
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1760,6 +1760,69 @@ failed:
 	return err;
 }
 
+static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
+{
+	struct cmd_lookup match = { NULL, hdev };
+	struct mgmt_pending_cmd *cmd = data;
+	struct mgmt_mode *cp = cmd->param;
+	u8 enable = cp->val;
+	bool changed;
+
+	if (err) {
+		u8 mgmt_err = mgmt_status(err);
+
+		if (enable && hci_dev_test_and_clear_flag(hdev,
+							  HCI_SSP_ENABLED)) {
+			hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
+			new_settings(hdev, NULL);
+		}
+
+		mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
+				     &mgmt_err);
+		return;
+	}
+
+	if (enable) {
+		changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
+	} else {
+		changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
+
+		if (!changed)
+			changed = hci_dev_test_and_clear_flag(hdev,
+							      HCI_HS_ENABLED);
+		else
+			hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
+	}
+
+	mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
+
+	if (changed)
+		new_settings(hdev, match.sk);
+
+	if (match.sk)
+		sock_put(match.sk);
+
+	hci_update_eir_sync(hdev);
+}
+
+static int set_ssp_sync(struct hci_dev *hdev, void *data)
+{
+	struct mgmt_pending_cmd *cmd = data;
+	struct mgmt_mode *cp = cmd->param;
+	bool changed = false;
+	int err;
+
+	if (cp->val)
+		changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
+
+	err = hci_write_ssp_mode_sync(hdev, cp->val);
+
+	if (!err && changed)
+		hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
+
+	return err;
+}
+
 static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 {
 	struct mgmt_mode *cp = data;
@@ -1821,19 +1884,18 @@ static int set_ssp(struct sock *sk, stru
 	}
 
 	cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
-	if (!cmd) {
+	if (!cmd)
 		err = -ENOMEM;
-		goto failed;
-	}
-
-	if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
-		hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
-			     sizeof(cp->val), &cp->val);
+	else
+		err = hci_cmd_sync_queue(hdev, set_ssp_sync, cmd,
+					 set_ssp_complete);
 
-	err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
 	if (err < 0) {
-		mgmt_pending_remove(cmd);
-		goto failed;
+		err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
+				      MGMT_STATUS_FAILED);
+
+		if (cmd)
+			mgmt_pending_remove(cmd);
 	}
 
 failed:
@@ -9309,74 +9371,6 @@ void mgmt_auth_enable_complete(struct hc
 		sock_put(match.sk);
 }
 
-static void clear_eir(struct hci_request *req)
-{
-	struct hci_dev *hdev = req->hdev;
-	struct hci_cp_write_eir cp;
-
-	if (!lmp_ext_inq_capable(hdev))
-		return;
-
-	memset(hdev->eir, 0, sizeof(hdev->eir));
-
-	memset(&cp, 0, sizeof(cp));
-
-	hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
-}
-
-void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
-{
-	struct cmd_lookup match = { NULL, hdev };
-	struct hci_request req;
-	bool changed = false;
-
-	if (status) {
-		u8 mgmt_err = mgmt_status(status);
-
-		if (enable && hci_dev_test_and_clear_flag(hdev,
-							  HCI_SSP_ENABLED)) {
-			hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
-			new_settings(hdev, NULL);
-		}
-
-		mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
-				     &mgmt_err);
-		return;
-	}
-
-	if (enable) {
-		changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
-	} else {
-		changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
-		if (!changed)
-			changed = hci_dev_test_and_clear_flag(hdev,
-							      HCI_HS_ENABLED);
-		else
-			hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
-	}
-
-	mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
-
-	if (changed)
-		new_settings(hdev, match.sk);
-
-	if (match.sk)
-		sock_put(match.sk);
-
-	hci_req_init(&req, hdev);
-
-	if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
-		if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
-			hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
-				    sizeof(enable), &enable);
-		__hci_req_update_eir(&req);
-	} else {
-		clear_eir(&req);
-	}
-
-	hci_req_run(&req, NULL);
-}
-
 static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
 {
 	struct cmd_lookup *match = data;
