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Bluetooth: Refactor AD data HCI commands to helper function

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The advertising data and scan response data HCI commands are almost
identical so we can save some code size by having a helper function
for them.

Change-Id: I9f80477ab7837c0a8efa0f9219552ea1426978d4
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2016-01-14 18:03:08 +02:00 • committed by Anas Nashif
commit 02740a8083
1 changed files with 33 additions and 46 deletions
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79
net/bluetooth/hci_core.c
View file

@ -2342,25 +2342,13 @@ static bool valid_adv_param(const struct bt_le_adv_param *param)
return true;
}
int bt_le_adv_start(const struct bt_le_adv_param *param,
const struct bt_data *ad, size_t ad_len,
const struct bt_data *sd, size_t sd_len)
static int set_ad(uint16_t hci_op, const struct bt_data *ad, size_t ad_len)
{
struct net_buf *buf;
struct bt_hci_cp_le_set_adv_data *set_data;
struct bt_hci_cp_le_set_adv_parameters *set_param;
uint8_t adv_enable;
int i, err;
struct net_buf *buf;
int i;
if (!valid_adv_param(param)) {
return -EINVAL;
}
if (atomic_test_bit(bt_dev.flags, BT_DEV_ADVERTISING)) {
return -EALREADY;
}
buf = bt_hci_cmd_create(BT_HCI_OP_LE_SET_ADV_DATA, sizeof(*set_data));
buf = bt_hci_cmd_create(hci_op, sizeof(*set_data));
if (!buf) {
return -ENOBUFS;
}
@ -2383,43 +2371,42 @@ int bt_le_adv_start(const struct bt_le_adv_param *param,
set_data->len += ad[i].data_len;
}
bt_hci_cmd_send(BT_HCI_OP_LE_SET_ADV_DATA, buf);
return bt_hci_cmd_send(hci_op, buf);
}
int bt_le_adv_start(const struct bt_le_adv_param *param,
const struct bt_data *ad, size_t ad_len,
const struct bt_data *sd, size_t sd_len)
{
struct net_buf *buf;
struct bt_hci_cp_le_set_adv_parameters *set_param;
uint8_t adv_enable;
int err;
if (!valid_adv_param(param)) {
return -EINVAL;
}
if (atomic_test_bit(bt_dev.flags, BT_DEV_ADVERTISING)) {
return -EALREADY;
}
err = set_ad(BT_HCI_OP_LE_SET_ADV_DATA, ad, ad_len);
if (err) {
return err;
}
/*
* Don't bother with scan response if the advertising type isn't
* a scannable one.
*/
if (param->type != BT_LE_ADV_IND && param->type != BT_LE_ADV_SCAN_IND) {
goto send_set_param;
if (param->type == BT_LE_ADV_IND || param->type == BT_LE_ADV_SCAN_IND) {
err = set_ad(BT_HCI_OP_LE_SET_SCAN_RSP_DATA, sd, sd_len);
if (err) {
return err;
}
}
buf = bt_hci_cmd_create(BT_HCI_OP_LE_SET_SCAN_RSP_DATA,
sizeof(*set_data));
if (!buf) {
return -ENOBUFS;
}
set_data = net_buf_add(buf, sizeof(*set_data));
memset(set_data, 0, sizeof(*set_data));
for (i = 0; i < sd_len; i++) {
/* Check if ad fit in the remaining buffer */
if (set_data->len + sd[i].data_len + 2 > 31) {
break;
}
set_data->data[set_data->len++] = sd[i].data_len + 1;
set_data->data[set_data->len++] = sd[i].type;
memcpy(&set_data->data[set_data->len], sd[i].data,
sd[i].data_len);
set_data->len += sd[i].data_len;
}
bt_hci_cmd_send(BT_HCI_OP_LE_SET_SCAN_RSP_DATA, buf);
send_set_param:
buf = bt_hci_cmd_create(BT_HCI_OP_LE_SET_ADV_PARAMETERS,
sizeof(*set_param));
if (!buf) {