Received-SPF: pass (google.com: domain of linux-bluetooth+bounces-3090-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
From: Pauli Virtanen <pav@iki.fi>
To: linux-bluetooth@vger.kernel.org
Cc: Pauli Virtanen <pav@iki.fi>
Subject: [PATCH BlueZ v3 4/8] btdev: set nonzero SCO mtu & max pkt
Date: Tue,  2 Apr 2024 19:43:01 +0300
Message-ID: <8d177d78fb0aa7edcc2be9a849953f68c078591f.1712076170.git.pav@iki.fi>
In-Reply-To: <cover.1712076170.git.pav@iki.fi>
References: <cover.1712076170.git.pav@iki.fi>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

Set nonzero max pkt count, so that kernel can transmit data.
The request & accept/reject flow is not emulated yet.
---
 emulator/btdev.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/emulator/btdev.c b/emulator/btdev.c
index 0ad6b2793..a63136fad 100644
--- a/emulator/btdev.c
+++ b/emulator/btdev.c
@@ -148,6 +148,8 @@ struct btdev {
 	uint8_t  feat_page_2[8];
 	uint16_t acl_mtu;
 	uint16_t acl_max_pkt;
+	uint16_t sco_mtu;
+	uint16_t sco_max_pkt;
 	uint16_t iso_mtu;
 	uint16_t iso_max_pkt;
 	uint8_t  country_code;
@@ -653,9 +655,9 @@ static int cmd_read_buffer_size(struct btdev *dev, const void *data,
 
 	rsp.status = BT_HCI_ERR_SUCCESS;
 	rsp.acl_mtu = cpu_to_le16(dev->acl_mtu);
-	rsp.sco_mtu = 0;
+	rsp.sco_mtu = cpu_to_le16(dev->sco_mtu);
 	rsp.acl_max_pkt = cpu_to_le16(dev->acl_max_pkt);
-	rsp.sco_max_pkt = cpu_to_le16(0);
+	rsp.sco_max_pkt = cpu_to_le16(dev->sco_max_pkt);
 
 	cmd_complete(dev, BT_HCI_CMD_READ_BUFFER_SIZE, &rsp, sizeof(rsp));
 
@@ -2764,6 +2766,8 @@ static int cmd_enhanced_setup_sync_conn_complete(struct btdev *dev,
 		goto done;
 	}
 
+	/* TODO: HCI_Connection_Request connection flow */
+
 	cc.status = BT_HCI_ERR_SUCCESS;
 	memcpy(cc.bdaddr, conn->link->dev->bdaddr, 6);
 
@@ -7173,6 +7177,9 @@ struct btdev *btdev_create(enum btdev_type type, uint16_t id)
 	btdev->acl_mtu = 192;
 	btdev->acl_max_pkt = 1;
 
+	btdev->sco_mtu = 72;
+	btdev->sco_max_pkt = 1;
+
 	btdev->iso_mtu = 251;
 	btdev->iso_max_pkt = 1;
 	btdev->big_handle = 0xff;
-- 
2.44.0