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From:   Claudia Draghicescu <claudia.rosu@nxp.com>
To:     linux-bluetooth@vger.kernel.org
Cc:     iulia.tanasescu@nxp.com, mihai-octavian.urzica@nxp.com,
        silviu.barbulescu@nxp.com, vlad.pruteanu@nxp.com,
        andrei.istodorescu@nxp.com,
        Claudia Draghicescu <claudia.rosu@nxp.com>
Subject: [PATCH BlueZ v5 2/7] btio: Add support for getsockopt(BT_ISO_BASE)
Date:   Tue,  8 Aug 2023 14:50:35 +0300
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This adds the posibility for a broadcast sink to retrieve the
BASE information received from a source afeter a PA synchronization,
using the getsockopt(BT_ISO_BASE) function.
This needs the patch from bluetooth-next:
Bluetooth: ISO: Add support for periodic adv reports processing

---
 btio/btio.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/btio/btio.c b/btio/btio.c
index 179be6289..8178250d2 100644
--- a/btio/btio.c
+++ b/btio/btio.c
@@ -1638,6 +1638,7 @@ static gboolean iso_get(int sock, GError **err, BtIOOption opt1, va_list args)
 	BtIOOption opt = opt1;
 	struct sockaddr_iso src, dst;
 	struct bt_iso_qos qos;
+	struct bt_iso_base base;
 	socklen_t len;
 	uint32_t phy;
 
@@ -1648,6 +1649,11 @@ static gboolean iso_get(int sock, GError **err, BtIOOption opt1, va_list args)
 		return FALSE;
 	}
 
+	if (getsockopt(sock, SOL_BLUETOOTH, BT_ISO_BASE, &base, &len) < 0) {
+		ERROR_FAILED(err, "getsockopt(BT_ISO_BASE)", errno);
+		return FALSE;
+	}
+
 	if (!get_src(sock, &src, sizeof(src), err))
 		return FALSE;
 
@@ -1694,6 +1700,8 @@ static gboolean iso_get(int sock, GError **err, BtIOOption opt1, va_list args)
 			*(va_arg(args, struct bt_iso_qos *)) = qos;
 			break;
 		case BT_IO_OPT_BASE:
+			*(va_arg(args, struct bt_iso_base *)) = base;
+			break;
 		case BT_IO_OPT_HANDLE:
 		case BT_IO_OPT_CLASS:
 		case BT_IO_OPT_DEFER_TIMEOUT:
@@ -1896,8 +1904,9 @@ static GIOChannel *create_io(gboolean server, struct set_opts *opts,
 			goto failed;
 		if (!iso_set_qos(sock, &opts->qos, err))
 			goto failed;
-		if (!iso_set_base(sock, &opts->base, err))
-			goto failed;
+		if (opts->base.base_len)
+			if (!iso_set_base(sock, &opts->base, err))
+				goto failed;
 		break;
 	case BT_IO_INVALID:
 	default:
-- 
2.34.1