michaelh/zephyr
1
0
Fork 0
Code Releases Activity

Bluetooth: Factor out setting flow control

Browse source 
This patch factors setting up controller to host data flow control
to separate function. This is a preparation for being able to compile
out connection support.

Change-Id: Ibcce0b740534331a6365c2370b7b637877d71560
Signed-off-by: Szymon Janc <ext.szymon.janc@tieto.com>
This commit is contained in:
Szymon Janc 2015-09-15 14:25:26 +02:00 • committed by Anas Nashif
commit ff747d6808
1 changed files with 36 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

63
net/bluetooth/hci_core.c
View file

@ -1293,12 +1293,45 @@ static void le_read_buffer_size_complete(struct bt_buf *buf)
bt_dev.le_pkts = rp->le_max_num;
}
static int hci_init(void)
static int set_flow_control(void)
{
struct bt_hci_cp_host_buffer_size *hbs;
struct bt_buf *buf;
uint8_t *enable;
int err;
buf = bt_hci_cmd_create(BT_HCI_OP_HOST_BUFFER_SIZE,
sizeof(*hbs));
if (!buf) {
return -ENOBUFS;
}
hbs = bt_buf_add(buf, sizeof(*hbs));
memset(hbs, 0, sizeof(*hbs));
hbs->acl_mtu = sys_cpu_to_le16(BT_BUF_MAX_DATA -
sizeof(struct bt_hci_acl_hdr) -
bt_dev.drv->head_reserve);
hbs->acl_pkts = sys_cpu_to_le16(ACL_IN_MAX);
err = bt_hci_cmd_send(BT_HCI_OP_HOST_BUFFER_SIZE, buf);
if (err) {
return err;
}
buf = bt_hci_cmd_create(BT_HCI_OP_SET_CTL_TO_HOST_FLOW, 1);
if (!buf) {
return -ENOBUFS;
}
enable = bt_buf_add(buf, sizeof(*enable));
*enable = 0x01;
return bt_hci_cmd_send_sync(BT_HCI_OP_SET_CTL_TO_HOST_FLOW, buf, NULL);
}
static int hci_init(void)
{
struct bt_hci_cp_set_event_mask *ev;
struct bt_buf *buf, *rsp;
uint8_t *enable;
int i, err;
/* Send HCI_RESET */
@ -1375,31 +1408,7 @@ static int hci_init(void)
bt_hci_cmd_send_sync(BT_HCI_OP_SET_EVENT_MASK, buf, NULL);
buf = bt_hci_cmd_create(BT_HCI_OP_HOST_BUFFER_SIZE, sizeof(*hbs));
if (!buf) {
return -ENOBUFS;
}
hbs = bt_buf_add(buf, sizeof(*hbs));
memset(hbs, 0, sizeof(*hbs));
hbs->acl_mtu = sys_cpu_to_le16(BT_BUF_MAX_DATA -
sizeof(struct bt_hci_acl_hdr) -
bt_dev.drv->head_reserve);
hbs->acl_pkts = sys_cpu_to_le16(ACL_IN_MAX);
err = bt_hci_cmd_send(BT_HCI_OP_HOST_BUFFER_SIZE, buf);
if (err) {
return err;
}
buf = bt_hci_cmd_create(BT_HCI_OP_SET_CTL_TO_HOST_FLOW, 1);
if (!buf) {
return -ENOBUFS;
}
enable = bt_buf_add(buf, sizeof(*enable));
*enable = 0x01;
err = bt_hci_cmd_send_sync(BT_HCI_OP_SET_CTL_TO_HOST_FLOW, buf, NULL);
err = set_flow_control();
if (err) {
return err;
}