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Bluetooth: host: Add bt_configure_data_path for vendor data path

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Implemented host function for configuring vendor specific data path for
use with ISO, and fixed passing of path ID in setup.

Signed-off-by: Morten Priess <mtpr@oticon.com>
This commit is contained in:
Morten Priess 2021-10-05 15:33:39 +02:00 • committed by Christopher Friedt
commit 06900485ec
3 changed files with 57 additions and 8 deletions
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17
include/bluetooth/bluetooth.h
View file

@ -2169,6 +2169,23 @@ void bt_foreach_bond(uint8_t id, void (*func)(const struct bt_bond_info *info,
void *user_data),
void *user_data);
/** @brief Configure vendor data path
*
* Request the Controller to configure the data transport path in a given direction between
* the Controller and the Host.
*
* @param dir Direction to be configured, BT_HCI_DATAPATH_DIR_HOST_TO_CTLR or
* BT_HCI_DATAPATH_DIR_CTLR_TO_HOST
* @param id Vendor specific logical transport channel ID, range
* [BT_HCI_DATAPATH_ID_VS..BT_HCI_DATAPATH_ID_VS_END]
* @param vs_config_len Length of additional vendor specific configuration data
* @param vs_config Pointer to additional vendor specific configuration data
*
* @return 0 in case of success or negative value in case of error.
*/
int bt_configure_data_path(uint8_t dir, uint8_t id, uint8_t vs_config_len,
const uint8_t *vs_config);
/**
* @}
*/

37
subsys/bluetooth/host/hci_core.c
View file

@ -3801,3 +3801,40 @@ void bt_data_parse(struct net_buf_simple *ad,
net_buf_simple_pull(ad, len - 1);
}
}
int bt_configure_data_path(uint8_t dir, uint8_t id, uint8_t vs_config_len,
const uint8_t *vs_config)
{
struct bt_hci_rp_configure_data_path *rp;
struct bt_hci_cp_configure_data_path *cp;
struct net_buf *rsp;
struct net_buf *buf;
int err;
buf = bt_hci_cmd_create(BT_HCI_OP_CONFIGURE_DATA_PATH, sizeof(*cp) +
vs_config_len);
if (!buf) {
return -ENOBUFS;
}
cp = net_buf_add(buf, sizeof(*cp));
cp->data_path_dir = dir;
cp->data_path_id = id;
cp->vs_config_len = vs_config_len;
if (vs_config_len) {
(void)memcpy(cp->vs_config, vs_config, vs_config_len);
}
err = bt_hci_cmd_send_sync(BT_HCI_OP_CONFIGURE_DATA_PATH, buf, &rsp);
if (err) {
return err;
}
rp = (void *)rsp->data;
if (rp->status) {
err = -EIO;
}
net_buf_unref(rsp);
return err;
}

11
subsys/bluetooth/host/iso.c
View file

@ -292,15 +292,10 @@ static int bt_iso_setup_data_path(struct bt_conn *iso)
rx_qos = chan->qos->rx;
in_path.path = tx_qos && tx_qos->path ? tx_qos->path : &default_path;
in_path.pid = tx_qos ? tx_qos->path->pid : BT_ISO_DATA_PATH_DISABLED;
out_path.path = rx_qos && rx_qos->path ? rx_qos->path : &default_path;
if (!tx_qos) {
in_path.pid = BT_ISO_DATA_PATH_DISABLED;
}
if (!rx_qos) {
out_path.pid = BT_ISO_DATA_PATH_DISABLED;
}
out_path.pid = rx_qos ? rx_qos->path->pid : BT_ISO_DATA_PATH_DISABLED;
if (iso->iso.is_bis) {
/* Only set one data path for BIS as per the spec */