static int btusb_send_frame(struct sk_buff *skb)
{
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
struct btusb_data *data = hdev->driver_data;
struct usb_ctrlrequest *dr;
struct urb *urb;
unsigned int pipe;
int err;
void *hci_usb_tx_buf_t=hci_usb_tx_buf;
char i=0;
BT_DBG("%s", hdev->name);
if (!test_bit(HCI_RUNNING, &hdev->flags))
return -EBUSY;
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
if (!dr) {
usb_free_urb(urb);
return -ENOMEM;
}
dr->bRequestType = data->cmdreq_type;
dr->bRequest = 0;
dr->wIndex = 0;
dr->wValue = 0;
dr->wLength = __cpu_to_le16(skb->len);
pipe = usb_sndctrlpipe(data->udev, 0x00);
usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
skb->data, skb->len, btusb_tx_complete, skb);
hdev->stat.cmd_tx++;
break;
case HCI_ACLDATA_PKT:
if (!data->bulk_tx_ep || hdev->conn_hash.acl_num < 1)
return -ENODEV;
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
pipe = usb_sndbulkpipe(data->udev,
data->bulk_tx_ep->bEndpointAddress);
usb_fill_bulk_urb(urb, data->udev, pipe,
skb->data, skb->len, btusb_tx_complete, skb);
hdev->stat.acl_tx++;
break;
case HCI_SCODATA_PKT:
if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
return -ENODEV;
urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
pipe = usb_sndisocpipe(data->udev,
data->isoc_tx_ep->bEndpointAddress);
urb->dev = data->udev;
urb->pipe = pipe;
urb->context = skb;
urb->complete = btusb_isoc_tx_complete;
urb->interval = data->isoc_tx_ep->bInterval;
urb->transfer_flags = URB_ISO_ASAP;
for (i=0; i < HCI_MAX_ISOC_FRAMES; i++) {
memcpy((hci_usb_tx_buf_t + HCI_USB_OFFSET*i), &(skb->data[17*i]), 17);
}
urb->transfer_buffer = hci_usb_tx_buf_t;
urb->transfer_buffer_length = SCO_BUF_SIZE;
__fill_isoc_descriptor(urb, SCO_BUF_SIZE,
le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
hdev->stat.sco_tx++;
goto skip_waking;
default:
return -EILSEQ;
}
err = inc_tx(data);
if (err) {
usb_anchor_urb(urb, &data->deferred);
schedule_work(&data->waker);
err = 0;
goto done;
}
skip_waking:
usb_anchor_urb(urb, &data->tx_anchor);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
BT_ERR("%s urb %p submission failed", hdev->name, urb);
kfree(urb->setup_packet);
usb_unanchor_urb(urb);
} else {
usb_mark_last_busy(data->udev);
}
usb_free_urb(urb);
done:
return err;
}
static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
struct btusb_data *data = hci_get_drvdata(hdev);
struct usb_ctrlrequest *dr;
struct urb *urb;
unsigned int pipe;
int err;
BT_DBG("%s", hdev->name);
if (!test_bit(HCI_RUNNING, &hdev->flags))
return -EBUSY;
skb->dev = (void *) hdev;
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
if (!dr) {
usb_free_urb(urb);
return -ENOMEM;
}
dr->bRequestType = data->cmdreq_type;
dr->bRequest = 0;
dr->wIndex = 0;
dr->wValue = 0;
dr->wLength = __cpu_to_le16(skb->len);
pipe = usb_sndctrlpipe(data->udev, 0x00);
usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
skb->data, skb->len, btusb_tx_complete, skb);
hdev->stat.cmd_tx++;
break;
case HCI_ACLDATA_PKT:
if (!data->bulk_tx_ep)
return -ENODEV;
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
pipe = usb_sndbulkpipe(data->udev,
data->bulk_tx_ep->bEndpointAddress);
usb_fill_bulk_urb(urb, data->udev, pipe,
skb->data, skb->len, btusb_tx_complete, skb);
hdev->stat.acl_tx++;
break;
case HCI_SCODATA_PKT:
if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1)
return -ENODEV;
urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
pipe = usb_sndisocpipe(data->udev,
data->isoc_tx_ep->bEndpointAddress);
usb_fill_int_urb(urb, data->udev, pipe,
skb->data, skb->len, btusb_isoc_tx_complete,
skb, data->isoc_tx_ep->bInterval);
urb->transfer_flags = URB_ISO_ASAP;
__fill_isoc_descriptor(urb, skb->len,
le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
hdev->stat.sco_tx++;
goto skip_waking;
default:
return -EILSEQ;
}
err = inc_tx(data);
if (err) {
usb_anchor_urb(urb, &data->deferred);
schedule_work(&data->waker);
err = 0;
goto done;
}
skip_waking:
usb_anchor_urb(urb, &data->tx_anchor);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p submission failed (%d)",
hdev->name, urb, -err);
kfree(urb->setup_packet);
usb_unanchor_urb(urb);
} else {
usb_mark_last_busy(data->udev);
}
done:
usb_free_urb(urb);
return err;
}
static int btusb_send_frame(struct sk_buff *skb)
{
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
struct btusb_data *data = GET_DRV_DATA(hdev);
struct usb_ctrlrequest *dr;
struct urb *urb;
unsigned int pipe;
int err;
/* u16* opcode = (u16*)(skb->data);
uint wlength = skb->len;
uint icount=0;
RTKBT_DBG("==========%s opcode=0x%x,wlength = %d",__FUNCTION__,*opcode,wlength );
printk("==========wlength=%d \n",wlength);
for(icount=0;icount <wlength;icount++)
{
printk("0x%x ",*(opcode+icount) );
}
printk("\n==========");
*/
BT_DBG("%s", hdev->name);
if (!test_bit(HCI_RUNNING, &hdev->flags))
return -EBUSY;
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
if (!dr) {
usb_free_urb(urb);
return -ENOMEM;
}
dr->bRequestType = data->cmdreq_type;
dr->bRequest = 0;
dr->wIndex = 0;
dr->wValue = 0;
dr->wLength = __cpu_to_le16(skb->len);
pipe = usb_sndctrlpipe(data->udev, 0x00);
usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
skb->data, skb->len, btusb_tx_complete, skb);
hdev->stat.cmd_tx++;
break;
case HCI_ACLDATA_PKT:
if (!data->bulk_tx_ep)
return -ENODEV;
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
pipe = usb_sndbulkpipe(data->udev,
data->bulk_tx_ep->bEndpointAddress);
usb_fill_bulk_urb(urb, data->udev, pipe,
skb->data, skb->len, btusb_tx_complete, skb);
hdev->stat.acl_tx++;
break;
case HCI_SCODATA_PKT:
if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
return -ENODEV;
urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
pipe = usb_sndisocpipe(data->udev,
data->isoc_tx_ep->bEndpointAddress);
usb_fill_int_urb(urb, data->udev, pipe,
skb->data, skb->len, btusb_isoc_tx_complete,
skb, data->isoc_tx_ep->bInterval);
urb->transfer_flags = URB_ISO_ASAP;
__fill_isoc_descriptor(urb, skb->len,
le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
hdev->stat.sco_tx++;
goto skip_waking;
default:
return -EILSEQ;
}
err = inc_tx(data);
if (err) {
usb_anchor_urb(urb, &data->deferred);
schedule_work(&data->waker);
err = 0;
goto done;
}
skip_waking:
usb_anchor_urb(urb, &data->tx_anchor);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
BT_ERR("btusb_send_frame %s urb %p submission failed", hdev->name, urb);
kfree(urb->setup_packet);
usb_unanchor_urb(urb);
} else {
usb_mark_last_busy(data->udev);
}
usb_free_urb(urb);
done:
return err;
}
