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 bootcmdresp;
if (urb->status) {
lbs_deb_usbd(&cardp->udev->dev,
"URB status is failed during fw load\n");
kfree_skb(skb);
return;
}
if (cardp->fwdnldover) {
__le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) {
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]));
if_usb_submit_rx_urb_fwload(cardp);
}
kfree_skb(skb);
return;
}
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");
return;
}
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.magic));
}
} 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");
}
kfree_skb(skb);
if_usb_submit_rx_urb_fwload(cardp);
return;
}
syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC);
if (!syncfwheader) {
lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n");
kfree_skb(skb);
return;
}
memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET,
sizeof(struct fwsyncheader));
if (!syncfwheader->cmd) {
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");
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);
return;
}
static int if_usb_prog_firmware(wlan_private * priv)
{
struct usb_card_rec *cardp = priv->card;
int i = 0;
static int reset_count = 10;
int ret = 0;
lbs_deb_enter(LBS_DEB_USB);
cardp->rinfo.priv = priv;
restart:
if (if_usb_submit_rx_urb_fwload(priv) < 0) {
lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
ret = -1;
goto done;
}
cardp->bootcmdresp = 0;
do {
int j = 0;
i++;
/* Issue Boot command = 1, Boot from Download-FW */
if_usb_issue_boot_command(priv, BOOT_CMD_FW_BY_USB);
/* wait for command response */
do {
j++;
msleep_interruptible(100);
} while (cardp->bootcmdresp == 0 && j < 10);
} while (cardp->bootcmdresp == 0 && i < 5);
if (cardp->bootcmdresp == 0) {
if (--reset_count >= 0) {
libertas_do_reset(priv);
goto restart;
}
return -1;
}
i = 0;
priv->adapter->fw_ready = 0;
cardp->totalbytes = 0;
cardp->fwlastblksent = 0;
cardp->CRC_OK = 1;
cardp->fwdnldover = 0;
cardp->fwseqnum = -1;
cardp->totalbytes = 0;
cardp->fwfinalblk = 0;
if_prog_firmware(priv);
do {
lbs_deb_usbd(&cardp->udev->dev,"Wlan sched timeout\n");
i++;
msleep_interruptible(100);
if (priv->adapter->surpriseremoved || i >= 20)
break;
} while (!cardp->fwdnldover);
if (!cardp->fwdnldover) {
lbs_pr_info("failed to load fw, resetting device!\n");
if (--reset_count >= 0) {
libertas_do_reset(priv);
goto restart;
}
lbs_pr_info("FW download failure, time = %d ms\n", i * 100);
ret = -1;
goto done;
}
if_usb_submit_rx_urb(priv);
/* Delay 200 ms to waiting for the FW ready */
msleep_interruptible(200);
priv->adapter->fw_ready = 1;
done:
lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
return ret;
}
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;
if (urb->status) {
kfree_skb(skb);
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 */
wake_up(&cardp->fw_wq);
else
if_usb_submit_rx_urb_fwload(cardp);
kfree_skb(skb);
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 */
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))
cardp->bootcmdresp = -1;
} else if (bcmdresp.cmd == BOOT_CMD_FW_BY_USB &&
bcmdresp.result == BOOT_CMD_RESP_OK)
cardp->bootcmdresp = 1;
kfree_skb(skb);
if_usb_submit_rx_urb_fwload(cardp);
return;
}
syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC);
if (!syncfwheader) {
kfree_skb(skb);
return;
}
memcpy(syncfwheader, skb->data, sizeof(struct fwsyncheader));
if (!syncfwheader->cmd)
cardp->CRC_OK = 1;
else
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);
return;
}
static void if_usb_receive_fwload(struct urb *urb)
{
struct read_cb_info *rinfo = (struct read_cb_info *)urb->context;
wlan_private *priv = rinfo->priv;
struct sk_buff *skb = rinfo->skb;
struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card;
struct fwsyncheader *syncfwheader;
struct bootcmdrespStr bootcmdresp;
if (urb->status) {
lbs_deb_usbd(&cardp->udev->dev,
"URB status is failed during fw load\n");
kfree_skb(skb);
return;
}
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(priv);
cardp->bootcmdresp = 1;
lbs_deb_usbd(&cardp->udev->dev,
"Received valid boot command response\n");
return;
}
if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
lbs_pr_info(
"boot cmd response wrong magic number (0x%x)\n",
le32_to_cpu(bootcmdresp.u32magicnumber));
} 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 {
cardp->bootcmdresp = 1;
lbs_deb_usbd(&cardp->udev->dev,
"Received valid boot command response\n");
}
kfree_skb(skb);
if_usb_submit_rx_urb_fwload(priv);
return;
}
syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC);
if (!syncfwheader) {
lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n");
kfree_skb(skb);
return;
}
memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET,
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);
*/
cardp->CRC_OK = 1;
} else {
lbs_deb_usbd(&cardp->udev->dev,
"FW received Blk with CRC error\n");
cardp->CRC_OK = 0;
}
kfree_skb(skb);
if (cardp->fwfinalblk) {
cardp->fwdnldover = 1;
goto exit;
}
if_prog_firmware(priv);
if_usb_submit_rx_urb_fwload(priv);
exit:
kfree(syncfwheader);
return;
}
