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* [PATCH 0/2] Add support for handling encrypted BIGs based on BIGInfo reports
@ 2023-08-21 12:00 Iulia Tanasescu
  2023-08-21 12:00 ` [PATCH 1/2] Bluetooth: ISO: Add MGMT event for BIGInfo adv report Iulia Tanasescu
  2023-08-21 12:00 ` [PATCH 2/2] Bluetooth: ISO: Pass sync_handle through iso qos Iulia Tanasescu
  0 siblings, 2 replies; 5+ messages in thread
From: Iulia Tanasescu @ 2023-08-21 12:00 UTC (permalink / raw)
  To: linux-bluetooth
  Cc: claudia.rosu, mihai-octavian.urzica, silviu.barbulescu,
	vlad.pruteanu, andrei.istodorescu, Iulia Tanasescu

This patch introduces MGMT events for BIGInfo advertising reports, so
that the event can be passed from kernel to userspace.

This patch also adds the sync_handle field to the bt_iso_bcast_qos
structure.

These changes are needed in order to implement the BASS Set Broadcast
Code operation - a BASS Server is required to inspect BIGInfo
advertising reports received from a Broadcast Source, to determine if
the BIG is encrypted or not. The Server is only able to associate a
Broadcast Source with a received BIGInfo report by looking at the
sync_handle field. This is why the sync_handle needs to be available
in the QoS structure, so that it can e retrieved via getsockopt, once
PA sync is established.

Iulia Tanasescu (2):
  Bluetooth: ISO: Add MGMT event for BIGInfo adv report
  Bluetooth: ISO: Pass sync_handle through iso qos

 include/net/bluetooth/bluetooth.h |  1 +
 include/net/bluetooth/hci_core.h  |  4 +++-
 include/net/bluetooth/mgmt.h      | 18 ++++++++++++++++++
 net/bluetooth/hci_conn.c          |  5 ++---
 net/bluetooth/hci_event.c         |  7 ++++++-
 net/bluetooth/iso.c               | 14 +++++---------
 net/bluetooth/mgmt.c              |  8 ++++++++
 7 files changed, 43 insertions(+), 14 deletions(-)


base-commit: f0835e7404b7f6fd825fc1ad7a174253a54234cf
-- 
2.34.1


^ permalink raw reply	[flat|nested] 5+ messages in thread
* [PATCH 1/2] Bluetooth: ISO: Add MGMT event for BIGInfo adv report
@ 2023-08-24 10:16 Iulia Tanasescu
  2023-08-24 11:02 ` Add support for handling encrypted BIGs based on BIGInfo reports bluez.test.bot
  0 siblings, 1 reply; 5+ messages in thread
From: Iulia Tanasescu @ 2023-08-24 10:16 UTC (permalink / raw)
  To: linux-bluetooth
  Cc: claudia.rosu, mihai-octavian.urzica, silviu.barbulescu,
	vlad.pruteanu, andrei.istodorescu, Iulia Tanasescu

This introduces the MGMT_EV_LE_BIG_INFO_ADV_REPORT event.

Signed-off-by: Iulia Tanasescu <iulia.tanasescu@nxp.com>
---
 include/net/bluetooth/hci_core.h |  2 ++
 include/net/bluetooth/mgmt.h     | 18 ++++++++++++++++++
 net/bluetooth/hci_event.c        |  7 ++++++-
 net/bluetooth/mgmt.c             |  8 ++++++++
 4 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index e6359f7346f1..ad6d24f17b73 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -2230,6 +2230,8 @@ void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
 void mgmt_suspending(struct hci_dev *hdev, u8 state);
 void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
 		   u8 addr_type);
+int mgmt_le_big_info_adv_report(struct hci_dev *hdev,
+				struct hci_evt_le_big_info_adv_report *ev);
 bool mgmt_powering_down(struct hci_dev *hdev);
 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent);
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index d382679efd2b..5f7ad5bc5f73 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -3,6 +3,7 @@
 
    Copyright (C) 2010  Nokia Corporation
    Copyright (C) 2011-2012  Intel Corporation
+   Copyright 2023  NXP
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 2 as
@@ -1177,3 +1178,20 @@ struct mgmt_ev_mesh_device_found {
 struct mgmt_ev_mesh_pkt_cmplt {
 	__u8	handle;
 } __packed;
+
+#define MGMT_EV_LE_BIG_INFO_ADV_REPORT	0x0033
+struct mgmt_ev_le_big_info_adv_report {
+	__le16  sync_handle;
+	__u8    num_bis;
+	__u8    nse;
+	__le16  iso_interval;
+	__u8    bn;
+	__u8    pto;
+	__u8    irc;
+	__le16  max_pdu;
+	__u8    sdu_interval[3];
+	__le16  max_sdu;
+	__u8    phy;
+	__u8    framing;
+	__u8    encryption;
+} __packed;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 35f251041eeb..3af1a532c9a0 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -7161,9 +7161,14 @@ static void hci_le_big_info_adv_report_evt(struct hci_dev *hdev, void *data,
 	hci_dev_lock(hdev);
 
 	mask |= hci_proto_connect_ind(hdev, BDADDR_ANY, ISO_LINK, &flags);
-	if (!(mask & HCI_LM_ACCEPT))
+	if (!(mask & HCI_LM_ACCEPT)) {
 		hci_le_pa_term_sync(hdev, ev->sync_handle);
+		goto unlock;
+	}
+
+	mgmt_le_big_info_adv_report(hdev, ev);
 
+unlock:
 	hci_dev_unlock(hdev);
 }
 
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index ba2e00646e8e..25334833f7d5 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -3,6 +3,7 @@
 
    Copyright (C) 2010  Nokia Corporation
    Copyright (C) 2011-2012 Intel Corporation
+   Copyright 2023 NXP
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 2 as
@@ -10523,6 +10524,13 @@ void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
 	mgmt_event(MGMT_EV_CONTROLLER_RESUME, hdev, &ev, sizeof(ev), NULL);
 }
 
+int mgmt_le_big_info_adv_report(struct hci_dev *hdev,
+				struct hci_evt_le_big_info_adv_report *ev)
+{
+	return mgmt_event(MGMT_EV_LE_BIG_INFO_ADV_REPORT, hdev,
+			(struct mgmt_ev_le_big_info_adv_report *)ev, sizeof(*ev), NULL);
+}
+
 static struct hci_mgmt_chan chan = {
 	.channel	= HCI_CHANNEL_CONTROL,
 	.handler_count	= ARRAY_SIZE(mgmt_handlers),
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-08-24 11:03 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2023-08-21 12:00 [PATCH 0/2] Add support for handling encrypted BIGs based on BIGInfo reports Iulia Tanasescu
2023-08-21 12:00 ` [PATCH 1/2] Bluetooth: ISO: Add MGMT event for BIGInfo adv report Iulia Tanasescu
2023-08-21 12:49   ` Add support for handling encrypted BIGs based on BIGInfo reports bluez.test.bot
2023-08-21 12:00 ` [PATCH 2/2] Bluetooth: ISO: Pass sync_handle through iso qos Iulia Tanasescu
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2023-08-24 10:16 [PATCH 1/2] Bluetooth: ISO: Add MGMT event for BIGInfo adv report Iulia Tanasescu
2023-08-24 11:02 ` Add support for handling encrypted BIGs based on BIGInfo reports bluez.test.bot

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