libertas: clean up if_usb driver
It was just getting on my tits, really. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Woodhouse
David S. Miller
parent
b926d6b31e
commit
eae86bf378
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@ -16,6 +16,9 @@
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#include "cmd.h"
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#include "if_usb.h"
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#define INSANEDEBUG 0
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#define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0)
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#define MESSAGE_HEADER_LEN 4
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static char *lbs_fw_name = "usb8388.bin";
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@ -32,17 +35,16 @@ MODULE_DEVICE_TABLE(usb, if_usb_table);
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static void if_usb_receive(struct urb *urb);
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static void if_usb_receive_fwload(struct urb *urb);
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static int if_usb_prog_firmware(struct usb_card_rec *cardp);
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static int if_usb_host_to_card(struct lbs_private *priv,
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u8 type,
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u8 *payload,
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u16 nb);
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static int if_usb_get_int_status(struct lbs_private *priv, u8 *);
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static int if_usb_prog_firmware(struct if_usb_card *cardp);
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static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
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uint8_t *payload, uint16_t nb);
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static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *);
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static int if_usb_read_event_cause(struct lbs_private *);
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static int usb_tx_block(struct usb_card_rec *cardp, u8 *payload, u16 nb);
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static void if_usb_free(struct usb_card_rec *cardp);
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static int if_usb_submit_rx_urb(struct usb_card_rec *cardp);
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static int if_usb_reset_device(struct usb_card_rec *cardp);
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static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
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uint16_t nb);
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static void if_usb_free(struct if_usb_card *cardp);
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static int if_usb_submit_rx_urb(struct if_usb_card *cardp);
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static int if_usb_reset_device(struct if_usb_card *cardp);
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/**
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* @brief call back function to handle the status of the URB
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@ -51,18 +53,16 @@ static int if_usb_reset_device(struct usb_card_rec *cardp);
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*/
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static void if_usb_write_bulk_callback(struct urb *urb)
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{
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struct usb_card_rec *cardp = (struct usb_card_rec *) urb->context;
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struct if_usb_card *cardp = (struct if_usb_card *) urb->context;
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/* handle the transmission complete validations */
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if (urb->status == 0) {
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struct lbs_private *priv = cardp->priv;
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/*
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lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n");
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lbs_deb_usbd(&urb->dev->dev, "Actual length transmitted %d\n",
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urb->actual_length);
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*/
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lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n");
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lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n",
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urb->actual_length);
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/* Used for both firmware TX and regular TX. priv isn't
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* valid at firmware load time.
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@ -79,10 +79,10 @@ static void if_usb_write_bulk_callback(struct urb *urb)
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/**
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* @brief free tx/rx urb, skb and rx buffer
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* @param cardp pointer usb_card_rec
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* @param cardp pointer if_usb_card
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* @return N/A
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*/
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static void if_usb_free(struct usb_card_rec *cardp)
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static void if_usb_free(struct if_usb_card *cardp)
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{
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lbs_deb_enter(LBS_DEB_USB);
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@ -96,8 +96,8 @@ static void if_usb_free(struct usb_card_rec *cardp)
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usb_free_urb(cardp->rx_urb);
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cardp->rx_urb = NULL;
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kfree(cardp->bulk_out_buffer);
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cardp->bulk_out_buffer = NULL;
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kfree(cardp->ep_out_buf);
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cardp->ep_out_buf = NULL;
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lbs_deb_leave(LBS_DEB_USB);
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}
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@ -115,7 +115,7 @@ static void if_usb_set_boot2_ver(struct lbs_private *priv)
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static void if_usb_fw_timeo(unsigned long priv)
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{
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struct usb_card_rec *cardp = (void *)priv;
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struct if_usb_card *cardp = (void *)priv;
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if (cardp->fwdnldover) {
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lbs_deb_usb("Download complete, no event. Assuming success\n");
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@ -125,6 +125,7 @@ static void if_usb_fw_timeo(unsigned long priv)
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}
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wake_up(&cardp->fw_wq);
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}
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/**
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* @brief sets the configuration values
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* @param ifnum interface number
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@ -138,12 +139,12 @@ static int if_usb_probe(struct usb_interface *intf,
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struct usb_host_interface *iface_desc;
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struct usb_endpoint_descriptor *endpoint;
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struct lbs_private *priv;
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struct usb_card_rec *cardp;
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struct if_usb_card *cardp;
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int i;
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udev = interface_to_usbdev(intf);
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cardp = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL);
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cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL);
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if (!cardp) {
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lbs_pr_err("Out of memory allocating private data.\n");
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goto error;
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@ -156,7 +157,7 @@ static int if_usb_probe(struct usb_interface *intf,
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iface_desc = intf->cur_altsetting;
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lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X"
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" bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n",
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" bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n",
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le16_to_cpu(udev->descriptor.bcdUSB),
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udev->descriptor.bDeviceClass,
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udev->descriptor.bDeviceSubClass,
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@ -164,61 +165,40 @@ static int if_usb_probe(struct usb_interface *intf,
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for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
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endpoint = &iface_desc->endpoint[i].desc;
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if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
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&& ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
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USB_ENDPOINT_XFER_BULK)) {
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/* we found a bulk in endpoint */
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lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n",
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le16_to_cpu(endpoint->wMaxPacketSize));
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if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
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lbs_deb_usbd(&udev->dev,
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"Rx URB allocation failed\n");
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goto dealloc;
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}
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cardp->bulk_in_size =
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le16_to_cpu(endpoint->wMaxPacketSize);
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cardp->bulk_in_endpointAddr =
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(endpoint->
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bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
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lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n",
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endpoint->bEndpointAddress);
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}
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if (((endpoint->
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bEndpointAddress & USB_ENDPOINT_DIR_MASK) ==
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USB_DIR_OUT)
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&& ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
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USB_ENDPOINT_XFER_BULK)) {
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/* We found bulk out endpoint */
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if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
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lbs_deb_usbd(&udev->dev,
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"Tx URB allocation failed\n");
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goto dealloc;
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}
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cardp->bulk_out_size =
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le16_to_cpu(endpoint->wMaxPacketSize);
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lbs_deb_usbd(&udev->dev,
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"Bulk out size is %d\n",
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le16_to_cpu(endpoint->wMaxPacketSize));
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cardp->bulk_out_endpointAddr =
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endpoint->bEndpointAddress;
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lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n",
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endpoint->bEndpointAddress);
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cardp->bulk_out_buffer =
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kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE,
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GFP_KERNEL);
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if (!cardp->bulk_out_buffer) {
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lbs_deb_usbd(&udev->dev,
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"Could not allocate buffer\n");
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goto dealloc;
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}
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if (usb_endpoint_is_bulk_in(endpoint)) {
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cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize);
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cardp->ep_in = usb_endpoint_num(endpoint);
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lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in);
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lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size);
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} else if (usb_endpoint_is_bulk_out(endpoint)) {
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cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize);
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cardp->ep_out = usb_endpoint_num(endpoint);
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lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out);
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lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size);
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}
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}
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if (!cardp->ep_out_size || !cardp->ep_in_size) {
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lbs_deb_usbd(&udev->dev, "Endpoints not found\n");
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goto dealloc;
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}
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if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
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lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n");
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goto dealloc;
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}
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if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
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lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n");
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goto dealloc;
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}
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cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL);
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if (!cardp->ep_out_buf) {
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lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n");
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goto dealloc;
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}
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/* Upload firmware */
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cardp->rinfo.cardp = cardp;
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if (if_usb_prog_firmware(cardp)) {
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lbs_deb_usbd(&udev->dev, "FW upload failed\n");
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goto err_prog_firmware;
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@ -269,12 +249,11 @@ error:
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*/
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static void if_usb_disconnect(struct usb_interface *intf)
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{
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struct usb_card_rec *cardp = usb_get_intfdata(intf);
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struct if_usb_card *cardp = usb_get_intfdata(intf);
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struct lbs_private *priv = (struct lbs_private *) cardp->priv;
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lbs_deb_enter(LBS_DEB_MAIN);
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/* Update Surprise removed to TRUE */
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cardp->surprise_removed = 1;
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if (priv) {
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@ -297,98 +276,75 @@ static void if_usb_disconnect(struct usb_interface *intf)
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* @param priv pointer to struct lbs_private
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* @return 0
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*/
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static int if_usb_send_fw_pkt(struct usb_card_rec *cardp)
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static int if_usb_send_fw_pkt(struct if_usb_card *cardp)
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{
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struct FWData *fwdata;
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struct fwheader *fwheader;
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u8 *firmware = cardp->fw->data;
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fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC);
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if (!fwdata)
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return -1;
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fwheader = &fwdata->fwheader;
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struct fwdata *fwdata = cardp->ep_out_buf;
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uint8_t *firmware = cardp->fw->data;
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/* If we got a CRC failure on the last block, back
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up and retry it */
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if (!cardp->CRC_OK) {
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cardp->totalbytes = cardp->fwlastblksent;
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cardp->fwseqnum = cardp->lastseqnum - 1;
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cardp->fwseqnum--;
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}
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/*
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lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n",
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cardp->totalbytes);
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*/
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lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n",
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cardp->totalbytes);
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memcpy(fwheader, &firmware[cardp->totalbytes],
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/* struct fwdata (which we sent to the card) has an
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extra __le32 field in between the header and the data,
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which is not in the struct fwheader in the actual
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firmware binary. Insert the seqnum in the middle... */
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memcpy(&fwdata->hdr, &firmware[cardp->totalbytes],
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sizeof(struct fwheader));
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cardp->fwlastblksent = cardp->totalbytes;
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cardp->totalbytes += sizeof(struct fwheader);
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/* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */
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memcpy(fwdata->data, &firmware[cardp->totalbytes],
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le32_to_cpu(fwdata->fwheader.datalength));
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le32_to_cpu(fwdata->hdr.datalength));
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/*
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lbs_deb_usbd(&cardp->udev->dev,
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"Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength));
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*/
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lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n",
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le32_to_cpu(fwdata->hdr.datalength));
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cardp->fwseqnum = cardp->fwseqnum + 1;
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fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum);
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cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength);
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fwdata->seqnum = cpu_to_le32(cardp->fwseqnum);
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cardp->lastseqnum = cardp->fwseqnum;
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cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength);
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usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) +
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le32_to_cpu(fwdata->hdr.datalength));
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if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) {
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/*
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lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n");
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lbs_deb_usbd(&cardp->udev->dev,
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"seqnum = %d totalbytes = %d\n", cardp->fwseqnum,
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cardp->totalbytes);
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*/
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memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE);
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usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE);
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if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) {
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lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n");
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lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n",
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cardp->fwseqnum, cardp->totalbytes);
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} else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) {
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lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n");
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lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n");
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} else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) {
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/*
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lbs_deb_usbd(&cardp->udev->dev,
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"Host has finished FW downloading\n");
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lbs_deb_usbd(&cardp->udev->dev,
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"Donwloading FW JUMP BLOCK\n");
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*/
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memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE);
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usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE);
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cardp->fwfinalblk = 1;
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}
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/*
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lbs_deb_usbd(&cardp->udev->dev,
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"The firmware download is done size is %d\n",
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cardp->totalbytes);
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*/
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kfree(fwdata);
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lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n",
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cardp->totalbytes);
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return 0;
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}
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static int if_usb_reset_device(struct usb_card_rec *cardp)
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static int if_usb_reset_device(struct if_usb_card *cardp)
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{
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struct cmd_ds_command *cmd = (void *)&cardp->bulk_out_buffer[4];
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struct cmd_ds_command *cmd = cardp->ep_out_buf + 4;
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int ret;
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lbs_deb_enter(LBS_DEB_USB);
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*(__le32 *)cardp->bulk_out_buffer = cpu_to_le32(CMD_TYPE_REQUEST);
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*(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
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cmd->command = cpu_to_le16(CMD_802_11_RESET);
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cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
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cmd->result = cpu_to_le16(0);
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cmd->seqnum = cpu_to_le16(0x5a5a);
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cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT);
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usb_tx_block(cardp, cardp->bulk_out_buffer, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset));
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usb_tx_block(cardp, cardp->ep_out_buf, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset));
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msleep(100);
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ret = usb_reset_device(cardp->udev);
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@ -406,7 +362,7 @@ static int if_usb_reset_device(struct usb_card_rec *cardp)
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* @param nb data length
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* @return 0 or -1
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*/
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static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb)
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static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb)
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{
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int ret = -1;
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@ -418,17 +374,16 @@ static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb)
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usb_fill_bulk_urb(cardp->tx_urb, cardp->udev,
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usb_sndbulkpipe(cardp->udev,
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cardp->bulk_out_endpointAddr),
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cardp->ep_out),
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payload, nb, if_usb_write_bulk_callback, cardp);
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cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET;
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if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) {
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/* transfer failed */
|
||||
lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret);
|
||||
ret = -1;
|
||||
} else {
|
||||
/* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */
|
||||
lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n");
|
||||
ret = 0;
|
||||
}
|
||||
|
||||
|
|
@ -436,11 +391,10 @@ tx_ret:
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp,
|
||||
static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
|
||||
void (*callbackfn)(struct urb *urb))
|
||||
{
|
||||
struct sk_buff *skb;
|
||||
struct read_cb_info *rinfo = &cardp->rinfo;
|
||||
int ret = -1;
|
||||
|
||||
if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) {
|
||||
|
|
@ -448,27 +402,25 @@ static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp,
|
|||
goto rx_ret;
|
||||
}
|
||||
|
||||
rinfo->skb = skb;
|
||||
cardp->rx_skb = skb;
|
||||
|
||||
/* Fill the receive configuration URB and initialise the Rx call back */
|
||||
usb_fill_bulk_urb(cardp->rx_urb, cardp->udev,
|
||||
usb_rcvbulkpipe(cardp->udev,
|
||||
cardp->bulk_in_endpointAddr),
|
||||
usb_rcvbulkpipe(cardp->udev, cardp->ep_in),
|
||||
(void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET),
|
||||
MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn,
|
||||
rinfo);
|
||||
cardp);
|
||||
|
||||
cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
|
||||
|
||||
/* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */
|
||||
lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb);
|
||||
if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) {
|
||||
/* handle failure conditions */
|
||||
lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret);
|
||||
kfree_skb(skb);
|
||||
rinfo->skb = NULL;
|
||||
cardp->rx_skb = NULL;
|
||||
ret = -1;
|
||||
} else {
|
||||
/* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */
|
||||
lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n");
|
||||
ret = 0;
|
||||
}
|
||||
|
||||
|
|
@ -476,27 +428,26 @@ rx_ret:
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp)
|
||||
static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp)
|
||||
{
|
||||
return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload);
|
||||
}
|
||||
|
||||
static int if_usb_submit_rx_urb(struct usb_card_rec *cardp)
|
||||
static int if_usb_submit_rx_urb(struct if_usb_card *cardp)
|
||||
{
|
||||
return __if_usb_submit_rx_urb(cardp, &if_usb_receive);
|
||||
}
|
||||
|
||||
static void if_usb_receive_fwload(struct urb *urb)
|
||||
{
|
||||
struct read_cb_info *rinfo = (struct read_cb_info *)urb->context;
|
||||
struct sk_buff *skb = rinfo->skb;
|
||||
struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp;
|
||||
struct if_usb_card *cardp = urb->context;
|
||||
struct sk_buff *skb = cardp->rx_skb;
|
||||
struct fwsyncheader *syncfwheader;
|
||||
struct bootcmdrespStr bootcmdresp;
|
||||
struct bootcmdresp bootcmdresp;
|
||||
|
||||
if (urb->status) {
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"URB status is failed during fw load\n");
|
||||
"URB status is failed during fw load\n");
|
||||
kfree_skb(skb);
|
||||
return;
|
||||
}
|
||||
|
|
@ -509,8 +460,8 @@ static void if_usb_receive_fwload(struct urb *urb)
|
|||
lbs_pr_info("Firmware ready event received\n");
|
||||
wake_up(&cardp->fw_wq);
|
||||
} else {
|
||||
lbs_deb_usb("Waiting for confirmation; got %x %x\n", le32_to_cpu(tmp[0]),
|
||||
le32_to_cpu(tmp[1]));
|
||||
lbs_deb_usb("Waiting for confirmation; got %x %x\n",
|
||||
le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1]));
|
||||
if_usb_submit_rx_urb_fwload(cardp);
|
||||
}
|
||||
kfree_skb(skb);
|
||||
|
|
@ -519,37 +470,36 @@ static void if_usb_receive_fwload(struct urb *urb)
|
|||
if (cardp->bootcmdresp <= 0) {
|
||||
memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET,
|
||||
sizeof(bootcmdresp));
|
||||
|
||||
if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
|
||||
kfree_skb(skb);
|
||||
if_usb_submit_rx_urb_fwload(cardp);
|
||||
cardp->bootcmdresp = 1;
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"Received valid boot command response\n");
|
||||
"Received valid boot command response\n");
|
||||
return;
|
||||
}
|
||||
if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
|
||||
if (bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_REQUEST) ||
|
||||
bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_DATA) ||
|
||||
bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_INDICATION)) {
|
||||
if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
|
||||
if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) ||
|
||||
bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) ||
|
||||
bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) {
|
||||
if (!cardp->bootcmdresp)
|
||||
lbs_pr_info("Firmware already seems alive; resetting\n");
|
||||
cardp->bootcmdresp = -1;
|
||||
} else {
|
||||
lbs_pr_info("boot cmd response wrong magic number (0x%x)\n",
|
||||
le32_to_cpu(bootcmdresp.u32magicnumber));
|
||||
le32_to_cpu(bootcmdresp.magic));
|
||||
}
|
||||
} else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) {
|
||||
lbs_pr_info(
|
||||
"boot cmd response cmd_tag error (%d)\n",
|
||||
bootcmdresp.u8cmd_tag);
|
||||
} else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) {
|
||||
lbs_pr_info(
|
||||
"boot cmd response result error (%d)\n",
|
||||
bootcmdresp.u8result);
|
||||
} else if (bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) {
|
||||
lbs_pr_info("boot cmd response cmd_tag error (%d)\n",
|
||||
bootcmdresp.cmd);
|
||||
} else if (bootcmdresp.result != BOOT_CMD_RESP_OK) {
|
||||
lbs_pr_info("boot cmd response result error (%d)\n",
|
||||
bootcmdresp.result);
|
||||
} else {
|
||||
cardp->bootcmdresp = 1;
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"Received valid boot command response\n");
|
||||
"Received valid boot command response\n");
|
||||
}
|
||||
kfree_skb(skb);
|
||||
if_usb_submit_rx_urb_fwload(cardp);
|
||||
|
|
@ -564,20 +514,15 @@ static void if_usb_receive_fwload(struct urb *urb)
|
|||
}
|
||||
|
||||
memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET,
|
||||
sizeof(struct fwsyncheader));
|
||||
sizeof(struct fwsyncheader));
|
||||
|
||||
if (!syncfwheader->cmd) {
|
||||
/*
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"FW received Blk with correct CRC\n");
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"FW received Blk seqnum = %d\n",
|
||||
syncfwheader->seqnum);
|
||||
*/
|
||||
lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n");
|
||||
lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n",
|
||||
le32_to_cpu(syncfwheader->seqnum));
|
||||
cardp->CRC_OK = 1;
|
||||
} else {
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"FW received Blk with CRC error\n");
|
||||
lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n");
|
||||
cardp->CRC_OK = 0;
|
||||
}
|
||||
|
||||
|
|
@ -604,13 +549,12 @@ static void if_usb_receive_fwload(struct urb *urb)
|
|||
#define MRVDRV_MIN_PKT_LEN 30
|
||||
|
||||
static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
|
||||
struct usb_card_rec *cardp,
|
||||
struct if_usb_card *cardp,
|
||||
struct lbs_private *priv)
|
||||
{
|
||||
if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE +
|
||||
MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) {
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"Packet length is Invalid\n");
|
||||
if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN
|
||||
|| recvlength < MRVDRV_MIN_PKT_LEN) {
|
||||
lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n");
|
||||
kfree_skb(skb);
|
||||
return;
|
||||
}
|
||||
|
|
@ -618,19 +562,21 @@ static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
|
|||
skb_reserve(skb, IPFIELD_ALIGN_OFFSET);
|
||||
skb_put(skb, recvlength);
|
||||
skb_pull(skb, MESSAGE_HEADER_LEN);
|
||||
|
||||
lbs_process_rxed_packet(priv, skb);
|
||||
priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
|
||||
}
|
||||
|
||||
static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
|
||||
static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
|
||||
struct sk_buff *skb,
|
||||
struct usb_card_rec *cardp,
|
||||
struct if_usb_card *cardp,
|
||||
struct lbs_private *priv)
|
||||
{
|
||||
u8 *cmdbuf;
|
||||
uint8_t *cmdbuf;
|
||||
|
||||
if (recvlength > LBS_CMD_BUFFER_SIZE) {
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"The receive buffer is too large\n");
|
||||
"The receive buffer is too large\n");
|
||||
kfree_skb(skb);
|
||||
return;
|
||||
}
|
||||
|
|
@ -642,16 +588,16 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
|
|||
/* take care of cur_cmd = NULL case by reading the
|
||||
* data to clear the interrupt */
|
||||
if (!priv->cur_cmd) {
|
||||
lbs_deb_hex(LBS_DEB_HOST, "Unsolicited CMD_RESP", (void *) recvbuff + MESSAGE_HEADER_LEN, priv->upld_len);
|
||||
lbs_deb_hex(LBS_DEB_HOST, "Unsolicited CMD_RESP",
|
||||
(void *) recvbuff + MESSAGE_HEADER_LEN, priv->upld_len);
|
||||
cmdbuf = priv->upld_buf;
|
||||
priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
|
||||
} else
|
||||
cmdbuf = (u8 *) priv->cur_cmd->cmdbuf;
|
||||
cmdbuf = (uint8_t *) priv->cur_cmd->cmdbuf;
|
||||
|
||||
cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY;
|
||||
priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
|
||||
memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN,
|
||||
priv->upld_len);
|
||||
memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, priv->upld_len);
|
||||
|
||||
kfree_skb(skb);
|
||||
lbs_interrupt(priv);
|
||||
|
|
@ -659,8 +605,6 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
|
|||
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"Wake up main thread to handle cmd response\n");
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -672,30 +616,26 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
|
|||
*/
|
||||
static void if_usb_receive(struct urb *urb)
|
||||
{
|
||||
struct read_cb_info *rinfo = (struct read_cb_info *)urb->context;
|
||||
struct sk_buff *skb = rinfo->skb;
|
||||
struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp;
|
||||
struct if_usb_card *cardp = urb->context;
|
||||
struct sk_buff *skb = cardp->rx_skb;
|
||||
struct lbs_private *priv = cardp->priv;
|
||||
|
||||
int recvlength = urb->actual_length;
|
||||
u8 *recvbuff = NULL;
|
||||
u32 recvtype = 0;
|
||||
uint8_t *recvbuff = NULL;
|
||||
uint32_t recvtype = 0;
|
||||
__le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
|
||||
|
||||
lbs_deb_enter(LBS_DEB_USB);
|
||||
|
||||
if (recvlength) {
|
||||
__le32 tmp;
|
||||
|
||||
if (urb->status) {
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"URB status is failed\n");
|
||||
lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n",
|
||||
urb->status);
|
||||
kfree_skb(skb);
|
||||
goto setup_for_next;
|
||||
}
|
||||
|
||||
recvbuff = skb->data + IPFIELD_ALIGN_OFFSET;
|
||||
memcpy(&tmp, recvbuff, sizeof(u32));
|
||||
recvtype = le32_to_cpu(tmp);
|
||||
recvtype = le32_to_cpu(pkt[0]);
|
||||
lbs_deb_usbd(&cardp->udev->dev,
|
||||
"Recv length = 0x%x, Recv type = 0x%X\n",
|
||||
recvlength, recvtype);
|
||||
|
|
@ -716,9 +656,13 @@ static void if_usb_receive(struct urb *urb)
|
|||
case CMD_TYPE_INDICATION:
|
||||
/* Event cause handling */
|
||||
spin_lock(&priv->driver_lock);
|
||||
cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN));
|
||||
|
||||
cardp->usb_event_cause = le32_to_cpu(pkt[1]);
|
||||
|
||||
lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n",
|
||||
cardp->usb_event_cause);
|
||||
cardp->usb_event_cause);
|
||||
|
||||
/* Icky undocumented magic special case */
|
||||
if (cardp->usb_event_cause & 0xffff0000) {
|
||||
lbs_send_tx_feedback(priv);
|
||||
spin_unlock(&priv->driver_lock);
|
||||
|
|
@ -732,7 +676,7 @@ static void if_usb_receive(struct urb *urb)
|
|||
goto rx_exit;
|
||||
default:
|
||||
lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
|
||||
recvtype);
|
||||
recvtype);
|
||||
kfree_skb(skb);
|
||||
break;
|
||||
}
|
||||
|
|
@ -751,55 +695,48 @@ rx_exit:
|
|||
* @param len number of bytes
|
||||
* @return 0 or -1
|
||||
*/
|
||||
static int if_usb_host_to_card(struct lbs_private *priv,
|
||||
u8 type,
|
||||
u8 *payload,
|
||||
u16 nb)
|
||||
static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
|
||||
uint8_t *payload, uint16_t nb)
|
||||
{
|
||||
struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card;
|
||||
struct if_usb_card *cardp = priv->card;
|
||||
|
||||
lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type);
|
||||
lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb);
|
||||
|
||||
if (type == MVMS_CMD) {
|
||||
__le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST);
|
||||
*(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
|
||||
priv->dnld_sent = DNLD_CMD_SENT;
|
||||
memcpy(cardp->bulk_out_buffer, (u8 *) & tmp,
|
||||
MESSAGE_HEADER_LEN);
|
||||
|
||||
} else {
|
||||
__le32 tmp = cpu_to_le32(CMD_TYPE_DATA);
|
||||
*(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA);
|
||||
priv->dnld_sent = DNLD_DATA_SENT;
|
||||
memcpy(cardp->bulk_out_buffer, (u8 *) & tmp,
|
||||
MESSAGE_HEADER_LEN);
|
||||
}
|
||||
|
||||
memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb);
|
||||
memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb);
|
||||
|
||||
return usb_tx_block(cardp, cardp->bulk_out_buffer,
|
||||
nb + MESSAGE_HEADER_LEN);
|
||||
return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN);
|
||||
}
|
||||
|
||||
/* called with priv->driver_lock held */
|
||||
static int if_usb_get_int_status(struct lbs_private *priv, u8 *ireg)
|
||||
static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *ireg)
|
||||
{
|
||||
struct usb_card_rec *cardp = priv->card;
|
||||
struct if_usb_card *cardp = priv->card;
|
||||
|
||||
*ireg = cardp->usb_int_cause;
|
||||
cardp->usb_int_cause = 0;
|
||||
|
||||
lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg);
|
||||
lbs_deb_usbd(&cardp->udev->dev, "Int cause is 0x%X\n", *ireg);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int if_usb_read_event_cause(struct lbs_private *priv)
|
||||
{
|
||||
struct usb_card_rec *cardp = priv->card;
|
||||
struct if_usb_card *cardp = priv->card;
|
||||
|
||||
priv->eventcause = cardp->usb_event_cause;
|
||||
/* Re-submit rx urb here to avoid event lost issue */
|
||||
if_usb_submit_rx_urb(cardp);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -809,20 +746,17 @@ static int if_usb_read_event_cause(struct lbs_private *priv)
|
|||
* 2:Boot from FW in EEPROM
|
||||
* @return 0
|
||||
*/
|
||||
static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue)
|
||||
static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue)
|
||||
{
|
||||
struct bootcmdstr sbootcmd;
|
||||
int i;
|
||||
struct bootcmd *bootcmd = cardp->ep_out_buf;
|
||||
|
||||
/* Prepare command */
|
||||
sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
|
||||
sbootcmd.u8cmd_tag = ivalue;
|
||||
for (i=0; i<11; i++)
|
||||
sbootcmd.au8dumy[i]=0x00;
|
||||
memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr));
|
||||
bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
|
||||
bootcmd->cmd = ivalue;
|
||||
memset(bootcmd->pad, 0, sizeof(bootcmd->pad));
|
||||
|
||||
/* Issue command */
|
||||
usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr));
|
||||
usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -835,10 +769,10 @@ static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue)
|
|||
* len image length
|
||||
* @return 0 or -1
|
||||
*/
|
||||
static int check_fwfile_format(u8 *data, u32 totlen)
|
||||
static int check_fwfile_format(uint8_t *data, uint32_t totlen)
|
||||
{
|
||||
u32 bincmd, exit;
|
||||
u32 blksize, offset, len;
|
||||
uint32_t bincmd, exit;
|
||||
uint32_t blksize, offset, len;
|
||||
int ret;
|
||||
|
||||
ret = 1;
|
||||
|
|
@ -876,7 +810,7 @@ static int check_fwfile_format(u8 *data, u32 totlen)
|
|||
}
|
||||
|
||||
|
||||
static int if_usb_prog_firmware(struct usb_card_rec *cardp)
|
||||
static int if_usb_prog_firmware(struct if_usb_card *cardp)
|
||||
{
|
||||
int i = 0;
|
||||
static int reset_count = 10;
|
||||
|
|
@ -953,11 +887,11 @@ restart:
|
|||
goto release_fw;
|
||||
}
|
||||
|
||||
release_fw:
|
||||
release_fw:
|
||||
release_firmware(cardp->fw);
|
||||
cardp->fw = NULL;
|
||||
|
||||
done:
|
||||
done:
|
||||
lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -966,7 +900,7 @@ done:
|
|||
#ifdef CONFIG_PM
|
||||
static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
|
||||
{
|
||||
struct usb_card_rec *cardp = usb_get_intfdata(intf);
|
||||
struct if_usb_card *cardp = usb_get_intfdata(intf);
|
||||
struct lbs_private *priv = cardp->priv;
|
||||
int ret;
|
||||
|
||||
|
|
@ -990,7 +924,7 @@ static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
|
|||
|
||||
static int if_usb_resume(struct usb_interface *intf)
|
||||
{
|
||||
struct usb_card_rec *cardp = usb_get_intfdata(intf);
|
||||
struct if_usb_card *cardp = usb_get_intfdata(intf);
|
||||
struct lbs_private *priv = cardp->priv;
|
||||
|
||||
lbs_deb_enter(LBS_DEB_USB);
|
||||
|
|
@ -1041,5 +975,5 @@ module_init(if_usb_init_module);
|
|||
module_exit(if_usb_exit_module);
|
||||
|
||||
MODULE_DESCRIPTION("8388 USB WLAN Driver");
|
||||
MODULE_AUTHOR("Marvell International Ltd.");
|
||||
MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc.");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
|
|||
|
|
@ -9,72 +9,67 @@ struct lbs_private;
|
|||
/**
|
||||
* This file contains definition for USB interface.
|
||||
*/
|
||||
#define CMD_TYPE_REQUEST 0xF00DFACE
|
||||
#define CMD_TYPE_DATA 0xBEADC0DE
|
||||
#define CMD_TYPE_INDICATION 0xBEEFFACE
|
||||
#define CMD_TYPE_REQUEST 0xF00DFACE
|
||||
#define CMD_TYPE_DATA 0xBEADC0DE
|
||||
#define CMD_TYPE_INDICATION 0xBEEFFACE
|
||||
|
||||
#define IPFIELD_ALIGN_OFFSET 2
|
||||
#define IPFIELD_ALIGN_OFFSET 2
|
||||
|
||||
#define BOOT_CMD_FW_BY_USB 0x01
|
||||
#define BOOT_CMD_FW_IN_EEPROM 0x02
|
||||
#define BOOT_CMD_UPDATE_BOOT2 0x03
|
||||
#define BOOT_CMD_UPDATE_FW 0x04
|
||||
#define BOOT_CMD_MAGIC_NUMBER 0x4C56524D /* M=>0x4D,R=>0x52,V=>0x56,L=>0x4C */
|
||||
#define BOOT_CMD_FW_BY_USB 0x01
|
||||
#define BOOT_CMD_FW_IN_EEPROM 0x02
|
||||
#define BOOT_CMD_UPDATE_BOOT2 0x03
|
||||
#define BOOT_CMD_UPDATE_FW 0x04
|
||||
#define BOOT_CMD_MAGIC_NUMBER 0x4C56524D /* LVRM */
|
||||
|
||||
struct bootcmdstr
|
||||
struct bootcmd
|
||||
{
|
||||
__le32 u32magicnumber;
|
||||
u8 u8cmd_tag;
|
||||
u8 au8dumy[11];
|
||||
__le32 magic;
|
||||
uint8_t cmd;
|
||||
uint8_t pad[11];
|
||||
};
|
||||
|
||||
#define BOOT_CMD_RESP_OK 0x0001
|
||||
#define BOOT_CMD_RESP_FAIL 0x0000
|
||||
#define BOOT_CMD_RESP_OK 0x0001
|
||||
#define BOOT_CMD_RESP_FAIL 0x0000
|
||||
|
||||
struct bootcmdrespStr
|
||||
struct bootcmdresp
|
||||
{
|
||||
__le32 u32magicnumber;
|
||||
u8 u8cmd_tag;
|
||||
u8 u8result;
|
||||
u8 au8dumy[2];
|
||||
};
|
||||
|
||||
/* read callback private data */
|
||||
struct read_cb_info {
|
||||
struct usb_card_rec *cardp;
|
||||
struct sk_buff *skb;
|
||||
__le32 magic;
|
||||
uint8_t cmd;
|
||||
uint8_t result;
|
||||
uint8_t pad[2];
|
||||
};
|
||||
|
||||
/** USB card description structure*/
|
||||
struct usb_card_rec {
|
||||
struct if_usb_card {
|
||||
struct usb_device *udev;
|
||||
struct urb *rx_urb, *tx_urb;
|
||||
struct lbs_private *priv;
|
||||
struct read_cb_info rinfo;
|
||||
|
||||
int bulk_in_size;
|
||||
u8 bulk_in_endpointAddr;
|
||||
struct sk_buff *rx_skb;
|
||||
uint32_t usb_event_cause;
|
||||
uint8_t usb_int_cause;
|
||||
|
||||
u8 *bulk_out_buffer;
|
||||
int bulk_out_size;
|
||||
u8 bulk_out_endpointAddr;
|
||||
uint8_t ep_in;
|
||||
uint8_t ep_out;
|
||||
|
||||
int8_t bootcmdresp;
|
||||
|
||||
int ep_in_size;
|
||||
|
||||
void *ep_out_buf;
|
||||
int ep_out_size;
|
||||
|
||||
const struct firmware *fw;
|
||||
struct timer_list fw_timeout;
|
||||
wait_queue_head_t fw_wq;
|
||||
u8 CRC_OK;
|
||||
u32 fwseqnum;
|
||||
u32 lastseqnum;
|
||||
u32 totalbytes;
|
||||
u32 fwlastblksent;
|
||||
u8 fwdnldover;
|
||||
u8 fwfinalblk;
|
||||
u8 surprise_removed;
|
||||
uint32_t fwseqnum;
|
||||
uint32_t totalbytes;
|
||||
uint32_t fwlastblksent;
|
||||
uint8_t CRC_OK;
|
||||
uint8_t fwdnldover;
|
||||
uint8_t fwfinalblk;
|
||||
uint8_t surprise_removed;
|
||||
|
||||
u32 usb_event_cause;
|
||||
u8 usb_int_cause;
|
||||
|
||||
s8 bootcmdresp;
|
||||
};
|
||||
|
||||
/** fwheader */
|
||||
|
|
@ -87,10 +82,10 @@ struct fwheader {
|
|||
|
||||
#define FW_MAX_DATA_BLK_SIZE 600
|
||||
/** FWData */
|
||||
struct FWData {
|
||||
struct fwheader fwheader;
|
||||
struct fwdata {
|
||||
struct fwheader hdr;
|
||||
__le32 seqnum;
|
||||
u8 data[FW_MAX_DATA_BLK_SIZE];
|
||||
uint8_t data[0];
|
||||
};
|
||||
|
||||
/** fwsyncheader */
|
||||
|
|
@ -102,7 +97,5 @@ struct fwsyncheader {
|
|||
#define FW_HAS_DATA_TO_RECV 0x00000001
|
||||
#define FW_HAS_LAST_BLOCK 0x00000004
|
||||
|
||||
#define FW_DATA_XMIT_SIZE \
|
||||
sizeof(struct fwheader) + le32_to_cpu(fwdata->fwheader.datalength) + sizeof(u32)
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Reference in New Issue