static
struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo,
int nrxq, int ntxq)
{
brcmf_dbg(USB, "Enter\n");
devinfo->bus_pub.nrxq = nrxq;
devinfo->rx_low_watermark = nrxq / 2;
devinfo->bus_pub.devinfo = devinfo;
devinfo->bus_pub.ntxq = ntxq;
devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DOWN;
/* flow control when too many tx urbs posted */
devinfo->tx_low_watermark = ntxq / 4;
devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3;
devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE;
/* Initialize other structure content */
init_waitqueue_head(&devinfo->ioctl_resp_wait);
/* Initialize the spinlocks */
spin_lock_init(&devinfo->qlock);
spin_lock_init(&devinfo->tx_flowblock_lock);
INIT_LIST_HEAD(&devinfo->rx_freeq);
INIT_LIST_HEAD(&devinfo->rx_postq);
INIT_LIST_HEAD(&devinfo->tx_freeq);
INIT_LIST_HEAD(&devinfo->tx_postq);
devinfo->tx_flowblock = false;
devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq);
if (!devinfo->rx_reqs)
goto error;
devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq);
if (!devinfo->tx_reqs)
goto error;
devinfo->tx_freecount = ntxq;
devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!devinfo->ctl_urb) {
brcmf_err("usb_alloc_urb (ctl) failed\n");
goto error;
}
devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!devinfo->bulk_urb) {
brcmf_err("usb_alloc_urb (bulk) failed\n");
goto error;
}
return &devinfo->bus_pub;
error:
brcmf_err("failed!\n");
brcmf_usb_detach(devinfo);
return NULL;
}
static
struct brcmf_usbdev *brcmf_usb_attach(int nrxq, int ntxq, struct device *dev)
{
struct brcmf_usbdev_info *devinfo;
devinfo = kzalloc(sizeof(struct brcmf_usbdev_info), GFP_ATOMIC);
if (devinfo == NULL)
return NULL;
devinfo->bus_pub.nrxq = nrxq;
devinfo->rx_low_watermark = nrxq / 2;
devinfo->bus_pub.devinfo = devinfo;
devinfo->bus_pub.ntxq = ntxq;
/* flow control when too many tx urbs posted */
devinfo->tx_low_watermark = ntxq / 4;
devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3;
devinfo->dev = dev;
devinfo->usbdev = usbdev_probe_info.usb;
devinfo->tx_pipe = usbdev_probe_info.tx_pipe;
devinfo->rx_pipe = usbdev_probe_info.rx_pipe;
devinfo->rx_pipe2 = usbdev_probe_info.rx_pipe2;
devinfo->intr_pipe = usbdev_probe_info.intr_pipe;
devinfo->interval = usbdev_probe_info.interval;
devinfo->intr_size = usbdev_probe_info.intr_size;
memcpy(&devinfo->probe_info, &usbdev_probe_info,
sizeof(struct brcmf_usb_probe_info));
devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE;
/* Initialize other structure content */
init_waitqueue_head(&devinfo->ioctl_resp_wait);
/* Initialize the spinlocks */
spin_lock_init(&devinfo->qlock);
INIT_LIST_HEAD(&devinfo->rx_freeq);
INIT_LIST_HEAD(&devinfo->rx_postq);
INIT_LIST_HEAD(&devinfo->tx_freeq);
INIT_LIST_HEAD(&devinfo->tx_postq);
devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq);
if (!devinfo->rx_reqs)
goto error;
devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq);
if (!devinfo->tx_reqs)
goto error;
devinfo->intr_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!devinfo->intr_urb) {
brcmf_dbg(ERROR, "usb_alloc_urb (intr) failed\n");
goto error;
}
devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!devinfo->ctl_urb) {
brcmf_dbg(ERROR, "usb_alloc_urb (ctl) failed\n");
goto error;
}
devinfo->rxctl_deferrespok = 0;
devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!devinfo->bulk_urb) {
brcmf_dbg(ERROR, "usb_alloc_urb (bulk) failed\n");
goto error;
}
init_waitqueue_head(&devinfo->wait);
if (!brcmf_usb_dlneeded(devinfo))
return &devinfo->bus_pub;
brcmf_dbg(TRACE, "start fw downloading\n");
if (brcmf_usb_get_fw(devinfo))
goto error;
if (brcmf_usb_fw_download(devinfo))
goto error;
return &devinfo->bus_pub;
error:
brcmf_dbg(ERROR, "failed!\n");
brcmf_usb_detach(&devinfo->bus_pub);
return NULL;
}