/**
* if_usb_receive_hw_spec - read data received from the device.
*
* @urb pointer to struct urb
*/
static void if_usb_receive_cmd_response(struct urb *urb)
{
struct if_usb_card *cardp = urb->context;
struct sk_buff *skb = cardp->rx_skb;
int recvlength = urb->actual_length;
uint8_t *recvbuff = NULL;
uint32_t recvtype = 0;
__le32 *pkt = (__le32 *)(skb->data);
struct cmd_ds_get_hw_spec *cmd;
lbtf_deb_enter(LBTF_DEB_USB);
if (recvlength>0) {
if (urb->status) {
lbtf_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n",
urb->status);
kfree_skb(skb);
goto setup_for_next;
}
recvbuff = skb->data;
recvtype = le32_to_cpu(pkt[0]);
lbtf_deb_usb("Recv length = 0x%x, Recv type = 0x%X",
recvlength, recvtype);
lbtf_deb_hex(LBTF_DEB_CMD, "CMD Data ", recvbuff, min_t(unsigned int, recvlength, 100));
} else if (urb->status) {
static void if_usb_fw_timeo(unsigned long priv)
{
struct if_usb_card *cardp = (void *)priv;
lbtf_deb_enter(LBTF_DEB_USB);
if (!cardp->fwdnldover) {
/* Download timed out */
cardp->priv->surpriseremoved = 1;
pr_err("Download timed out\n");
} else {
lbtf_deb_usb("Download complete, no event. Assuming success\n");
}
wake_up(&cardp->fw_wq);
lbtf_deb_leave(LBTF_DEB_USB);
}
static void if_usb_setup_firmware(struct lbtf_private *priv)
{
struct if_usb_card *cardp = priv->card;
struct cmd_ds_set_boot2_ver b2_cmd;
lbtf_deb_enter(LBTF_DEB_USB);
if_usb_submit_rx_urb(cardp);
b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd));
b2_cmd.action = 0;
b2_cmd.version = cardp->boot2_version;
if (lbtf_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd))
lbtf_deb_usb("Setting boot2 version failed\n");
lbtf_deb_leave(LBTF_DEB_USB);
}
static void if_usb_receive_fwload(struct urb *urb)
{
struct if_usb_card *cardp = urb->context;
struct sk_buff *skb = cardp->rx_skb;
struct fwsyncheader *syncfwheader;
struct bootcmdresp bcmdresp;
lbtf_deb_enter(LBTF_DEB_USB);
if (urb->status) {
lbtf_deb_usbd(&cardp->udev->dev,
"URB status is failed during fw load\n");
kfree_skb(skb);
lbtf_deb_leave(LBTF_DEB_USB);
return;
}
if (cardp->fwdnldover) {
__le32 *tmp = (__le32 *)(skb->data);
if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) {
/* Firmware ready event received */
pr_info("Firmware ready event received\n");
wake_up(&cardp->fw_wq);
} else {
lbtf_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);
lbtf_deb_leave(LBTF_DEB_USB);
return;
}
if (cardp->bootcmdresp <= 0) {
memcpy(&bcmdresp, skb->data, sizeof(bcmdresp));
if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
kfree_skb(skb);
if_usb_submit_rx_urb_fwload(cardp);
cardp->bootcmdresp = 1;
/* Received valid boot command response */
lbtf_deb_usbd(&cardp->udev->dev,
"Received valid boot command response\n");
lbtf_deb_leave(LBTF_DEB_USB);
return;
}
if (bcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
if (bcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) ||
bcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) ||
bcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) {
if (!cardp->bootcmdresp)
pr_info("Firmware already seems alive; resetting\n");
cardp->bootcmdresp = -1;
} else {
pr_info("boot cmd response wrong magic number (0x%x)\n",
le32_to_cpu(bcmdresp.magic));
}
} else if (bcmdresp.cmd != BOOT_CMD_FW_BY_USB) {
pr_info("boot cmd response cmd_tag error (%d)\n",
bcmdresp.cmd);
} else if (bcmdresp.result != BOOT_CMD_RESP_OK) {
pr_info("boot cmd response result error (%d)\n",
bcmdresp.result);
} else {
cardp->bootcmdresp = 1;
lbtf_deb_usbd(&cardp->udev->dev,
"Received valid boot command response\n");
}
kfree_skb(skb);
if_usb_submit_rx_urb_fwload(cardp);
lbtf_deb_leave(LBTF_DEB_USB);
return;
}
syncfwheader = kmemdup(skb->data, sizeof(struct fwsyncheader),
GFP_ATOMIC);
if (!syncfwheader) {
lbtf_deb_usbd(&cardp->udev->dev,
"Failure to allocate syncfwheader\n");
kfree_skb(skb);
lbtf_deb_leave(LBTF_DEB_USB);
return;
}
if (!syncfwheader->cmd) {
lbtf_deb_usb2(&cardp->udev->dev,
"FW received Blk with correct CRC\n");
lbtf_deb_usb2(&cardp->udev->dev,
"FW received Blk seqnum = %d\n",
le32_to_cpu(syncfwheader->seqnum));
cardp->CRC_OK = 1;
} else {
lbtf_deb_usbd(&cardp->udev->dev,
"FW received Blk with CRC error\n");
cardp->CRC_OK = 0;
}
kfree_skb(skb);
/* reschedule timer for 200ms hence */
mod_timer(&cardp->fw_timeout, jiffies + (HZ/5));
if (cardp->fwfinalblk) {
cardp->fwdnldover = 1;
goto exit;
}
if_usb_send_fw_pkt(cardp);
exit:
if_usb_submit_rx_urb_fwload(cardp);
kfree(syncfwheader);
lbtf_deb_leave(LBTF_DEB_USB);
}