[BlueZ,1/7] shared/bass: Add API to send GATT write command

Commit Message

Iulia Tanasescu Aug. 5, 2024, 12:04 p.m. UTC

This adds a BASS API to send a GATT write command for the
Broadcast Audio Scan Control Point characteristic.
---
 src/shared/bass.c | 38 +++++++++++++++++++++++++++++++++++++-
 src/shared/bass.h |  5 ++++-
 2 files changed, 41 insertions(+), 2 deletions(-)

Comments

[e-mail] Aug. 5, 2024, 4:39 p.m. UTC | #1

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Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=876697

---Test result---

Test Summary:
CheckPatch                    PASS      4.44 seconds
GitLint                       PASS      3.63 seconds
BuildEll                      PASS      24.73 seconds
BluezMake                     PASS      1713.09 seconds
MakeCheck                     PASS      13.55 seconds
MakeDistcheck                 PASS      181.30 seconds
CheckValgrind                 PASS      253.21 seconds
CheckSmatch                   PASS      357.08 seconds
bluezmakeextell               PASS      120.23 seconds
IncrementalBuild              PASS      11308.49 seconds
ScanBuild                     PASS      1006.70 seconds



---
Regards,
Linux Bluetooth

Patch

diff --git a/src/shared/bass.c b/src/shared/bass.c
index 268e3bd86..d9ab210b7 100644
--- a/src/shared/bass.c
+++ b/src/shared/bass.c
@@ -3,7 +3,7 @@ 
  *
  *  BlueZ - Bluetooth protocol stack for Linux
  *
- *  Copyright 2023 NXP
+ *  Copyright 2023-2024 NXP
  *
  */
 
@@ -1754,3 +1754,39 @@  void bt_bass_add_db(struct gatt_db *db, const bdaddr_t *adapter_bdaddr)
 {
 	bass_db_new(db, adapter_bdaddr);
 }
+
+int bt_bass_send(struct bt_bass *bass,
+		struct bt_bass_bcast_audio_scan_cp_hdr *hdr,
+		struct iovec *params)
+{
+	struct iovec req = {0};
+	uint16_t handle;
+	int err = 0;
+
+	if (!bass || !bass->client || !bass->rdb)
+		return -EINVAL;
+
+	DBG(bass, "bass %p", bass);
+
+	req.iov_base = malloc0(sizeof(*hdr) + params->iov_len);
+	if (!req.iov_base)
+		return -EINVAL;
+
+	util_iov_push_mem(&req, sizeof(*hdr), hdr);
+	util_iov_push_mem(&req, params->iov_len, params->iov_base);
+
+	if (!gatt_db_attribute_get_char_data(bass->rdb->bcast_audio_scan_cp,
+			NULL, &handle, NULL, NULL, NULL)) {
+		err = -EINVAL;
+		goto done;
+	}
+
+	if (!bt_gatt_client_write_without_response(bass->client, handle,
+					false, req.iov_base, req.iov_len))
+		err = -EINVAL;
+
+done:
+	free(req.iov_base);
+
+	return err;
+}
diff --git a/src/shared/bass.h b/src/shared/bass.h
index 1674146bc..864b01637 100644
--- a/src/shared/bass.h
+++ b/src/shared/bass.h
@@ -3,7 +3,7 @@ 
  *
  *  BlueZ - Bluetooth protocol stack for Linux
  *
- *  Copyright 2023 NXP
+ *  Copyright 2023-2024 NXP
  *
  */
 
@@ -135,3 +135,6 @@  bool bt_bass_attach(struct bt_bass *bass, struct bt_gatt_client *client);
 bool bt_bass_set_att(struct bt_bass *bass, struct bt_att *att);
 void bt_bass_detach(struct bt_bass *bass);
 void bt_bass_add_db(struct gatt_db *db, const bdaddr_t *adapter_bdaddr);
+int bt_bass_send(struct bt_bass *bass,
+		struct bt_bass_bcast_audio_scan_cp_hdr *hdr,
+		struct iovec *params);