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Bluetooth: ISO: Add broadcast support

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This adds broadcast support for BTPROTO_ISO by extending the
sockaddr_iso with a new struct sockaddr_iso_bc where the socket user
can set the broadcast address when receiving, the SID and the BIS
indexes it wants to synchronize.

When using BTPROTO_ISO for broadcast the roles are:

Broadcaster -> uses connect with address set to BDADDR_ANY:
> tools/isotest -s 00:00:00:00:00:00

Broadcast Receiver -> uses listen with address set to broadcaster:
> tools/isotest -d 00:AA:01:00:00:00

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz
2022-03-09 13:14:41 -08:00
parent eca0ae4aea
commit f764a6c2c1
3 changed files with 371 additions and 35 deletions
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2
include/net/bluetooth/bluetooth.h
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@@ -220,6 +220,8 @@ struct bt_codecs {
#define BT_CODEC_TRANSPARENT 0x03
#define BT_CODEC_MSBC 0x05
#define BT_ISO_BASE 20
__printf(1, 2)
void bt_info(const char *fmt, ...);
__printf(1, 2)