[PATCH v2 BlueZ 1/7] lib: Add definitions for ISO socket

Luiz Augusto von Dentz
2022-05-06T22:18:23Z

v2: Fix CI findings.

Makefile.am | 2 +-
lib/bluetooth.h | 38 +++++++++++++++++++++++++++++++++++++-
lib/iso.h | 42 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 80 insertions(+), 2 deletions(-)
create mode 100644 lib/iso.h

diff --git a/Makefile.am b/Makefile.am
index 82125c482..c7b369606 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -69,7 +69,7 @@ lib_headers = lib/bluetooth.h lib/hci.h lib/hci_lib.h \
lib/sco.h lib/l2cap.h lib/sdp.h lib/sdp_lib.h \
lib/rfcomm.h lib/bnep.h lib/cmtp.h lib/hidp.h

-extra_headers = lib/mgmt.h lib/uuid.h lib/a2mp.h lib/amp.h
+extra_headers = lib/mgmt.h lib/uuid.h lib/a2mp.h lib/amp.h lib/iso.h
extra_sources = lib/uuid.c

local_headers = $(foreach file,$(lib_headers), lib/bluetooth/$(notdir $(file)))
diff --git a/lib/bluetooth.h b/lib/bluetooth.h
index 0fcf412c6..73297c147 100644
--- a/lib/bluetooth.h
+++ b/lib/bluetooth.h
@@ -37,6 +37,7 @@ extern "C" {
#define BTPROTO_CMTP 5
#define BTPROTO_HIDP 6
#define BTPROTO_AVDTP 7
+#define BTPROTO_ISO 8

#define SOL_HCI 0
#define SOL_L2CAP 6
@@ -140,7 +141,39 @@ struct bt_voice {

#define BT_SCM_PKT_STATUS 0x03

-#define BT_CODEC 19
+#define BT_ISO_QOS 17
+
+#define BT_ISO_QOS_CIG_UNSET 0xff
+#define BT_ISO_QOS_CIS_UNSET 0xff
+
+struct bt_iso_io_qos {
+ uint32_t interval;
+ uint16_t latency;
+ uint16_t sdu;
+ uint8_t phy;
+ uint8_t rtn;
+};
+
+struct bt_iso_qos {
+ union {
+ uint8_t cig;
+ uint8_t big;
+ };
+ union {
+ uint8_t cis;
+ uint8_t bis;
+ };
+ union {
+ uint8_t sca;
+ uint8_t sync_interval;
+ };
+ uint8_t packing;
+ uint8_t framing;
+ struct bt_iso_io_qos in;
+ struct bt_iso_io_qos out;
+};
+
+#define BT_CODEC 19
struct bt_codec {
uint8_t id;
uint16_t cid;
@@ -158,6 +191,7 @@ struct bt_codecs {
struct bt_codec codecs[];
} __attribute__((packed));

+
/* Connection and socket states */
enum {
BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
@@ -171,6 +205,8 @@ enum {
BT_CLOSED
};

+#define BT_ISO_BASE 20
+
/* Byte order conversions */
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define htobs(d) (d)
diff --git a/lib/iso.h b/lib/iso.h
new file mode 100644
index 000000000..1e9f79ce5
--- /dev/null
+++ b/lib/iso.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2022 Intel Corporation.
+ *
+ */
+
+#ifndef __ISO_H
+#define __ISO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* ISO defaults */
+#define ISO_DEFAULT_MTU 251
+#define ISO_MAX_NUM_BIS 0x1f
+
+/* ISO socket broadcast address */
+struct sockaddr_iso_bc {
+ bdaddr_t bc_bdaddr;
+ uint8_t bc_bdaddr_type;
+ uint8_t bc_sid;
+ uint8_t bc_num_bis;
+ uint8_t bc_bis[ISO_MAX_NUM_BIS];
+};
+
+/* ISO socket address */
+struct sockaddr_iso {
+ sa_family_t iso_family;
+ bdaddr_t iso_bdaddr;
+ uint8_t iso_bdaddr_type;
+ struct sockaddr_iso_bc iso_bc[];
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ISO_H */
--
2.35.1