static int prism2_cs_suspend(struct pcmcia_device *pdev)
{
struct wlandevice *wlandev;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
dev_link_t *link = dev_to_instance(pdev);
#endif
DBFENTER;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
wlandev = pdev->priv;
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
#else
wlandev = link->priv;
link->state |= DEV_SUSPEND;
if (link->state & DEV_CONFIG) {
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
pcmcia_release_configuration(link->handle);
}
#endif
DBFEXIT;
return 0;
}
static int prism2sta_resume(struct usb_interface *interface)
{
int result = 0;
hfa384x_t *hw = NULL;
wlandevice_t *wlandev;
wlandev = (wlandevice_t *)usb_get_intfdata(interface);
if (!wlandev)
return -ENODEV;
hw = wlandev->priv;
if (!hw)
return -ENODEV;
/* Do a chip-level reset on the MAC */
if (prism2_doreset) {
result = hfa384x_corereset(hw,
prism2_reset_holdtime,
prism2_reset_settletime, 0);
if (result != 0) {
unregister_wlandev(wlandev);
hfa384x_destroy(hw);
dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
kfree(wlandev);
kfree(hw);
wlandev = NULL;
return -ENODEV;
}
}
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
return 0;
}
/*----------------------------------------------------------------
* prism2sta_release
*
* Half of the config/release pair. Usually called in response to
* a card ejection event. Checks to make sure no higher layers
* are still (or think they are) using the card via the link->open
* field.
*
* NOTE: Don't forget to increment the link->open variable in the
* device_open method, and decrement it in the device_close
* method.
*
* Arguments:
* arg a generic 32 bit variable. It's the value that
* we assigned to link->release.data in sta_attach().
*
* Returns:
* nothing
*
* Side effects:
* All resources should be released after this function
* executes and finds the device !open.
*
* Call context:
* Possibly in a timer context. Don't do anything that'll
* block.
----------------------------------------------------------------*/
void prism2sta_release(u_long arg)
{
dev_link_t *link = (dev_link_t *)arg;
DBFENTER;
/* First thing we should do is get the MSD back to the
* HWPRESENT state. I.e. everything quiescent.
*/
prism2sta_ifstate(link->priv, P80211ENUM_ifstate_disable);
if (link->open) {
/* TODO: I don't think we're even using this bit of code
* and I don't think it's hurting us at the moment.
*/
WLAN_LOG_DEBUG(1,
"prism2sta_cs: release postponed, '%s' still open\n",
link->dev->dev_name);
link->state |= DEV_STALE_CONFIG;
return;
}
pcmcia_release_configuration(link->handle);
pcmcia_release_io(link->handle, &link->io);
pcmcia_release_irq(link->handle, &link->irq);
link->state &= ~(DEV_CONFIG | DEV_RELEASE_PENDING);
DBFEXIT;
}
static void __devexit prism2sta_remove_plx(struct pci_dev *pdev)
{
wlandevice_t *wlandev;
hfa384x_t *hw;
wlandev = (wlandevice_t *) pci_get_drvdata(pdev);
hw = wlandev->priv;
p80211netdev_hwremoved(wlandev);
/* reset hardware */
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
if (pdev->irq)
free_irq(pdev->irq, wlandev);
unregister_wlandev(wlandev);
/* free local stuff */
if (hw) {
hfa384x_destroy(hw);
kfree(hw);
}
iounmap((void __iomem *)wlandev->netdev->mem_start);
wlan_unsetup(wlandev);
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
kfree(wlandev);
}
/*----------------------------------------------------------------
* prism2mgmt_flashdl_state
*
* Establishes the beginning/end of a card Flash download session.
*
* It is expected that the flashdl_write() function will be called
* one or more times between the 'enable' and 'disable' calls to
* this function.
*
* Note: This function should not be called when a mac comm port
* is active.
*
* Arguments:
* wlandev wlan device structure
* msgp ptr to msg buffer
*
* Returns:
* 0 success and done
* <0 success, but we're waiting for something to finish.
* >0 an error occurred while handling the message.
* Side effects:
*
* Call context:
* process thread (usually)
----------------------------------------------------------------*/
int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp)
{
int result = 0;
hfa384x_t *hw = wlandev->priv;
p80211msg_p2req_flashdl_state_t *msg = msgp;
DBFENTER;
if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
WLAN_LOG_ERROR(
"flashdl_state(): may only be called "
"in the fwload state.\n");
msg->resultcode.data =
P80211ENUM_resultcode_implementation_failure;
msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
DBFEXIT;
return 0;
}
/*
** Note: Interrupts are locked out if this is an AP and are NOT
** locked out if this is a station.
*/
msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
if ( msg->enable.data == P80211ENUM_truth_true ) {
if ( hfa384x_drvr_flashdl_enable(hw) ) {
msg->resultcode.data = P80211ENUM_resultcode_implementation_failure;
} else {
msg->resultcode.data = P80211ENUM_resultcode_success;
}
} else {
hfa384x_drvr_flashdl_disable(hw);
msg->resultcode.data = P80211ENUM_resultcode_success;
/* NOTE: At this point, the MAC is in the post-reset
* state and the driver is in the fwload state.
* We need to get the MAC back into the fwload
* state. To do this, we set the nsdstate to HWPRESENT
* and then call the ifstate function to redo everything
* that got us into the fwload state.
*/
wlandev->msdstate = WLAN_MSD_HWPRESENT;
result = prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
if (result != P80211ENUM_resultcode_success) {
WLAN_LOG_ERROR("prism2sta_ifstate(fwload) failed,"
"P80211ENUM_resultcode=%d\n", result);
msg->resultcode.data =
P80211ENUM_resultcode_implementation_failure;
result = -1;
}
}
DBFEXIT;
return 0;
}
static int prism2sta_suspend(struct usb_interface *interface,
pm_message_t message)
{
hfa384x_t *hw = NULL;
wlandevice_t *wlandev;
wlandev = (wlandevice_t *)usb_get_intfdata(interface);
if (!wlandev)
return -ENODEV;
hw = wlandev->priv;
if (!hw)
return -ENODEV;
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
usb_kill_urb(&hw->rx_urb);
usb_kill_urb(&hw->tx_urb);
usb_kill_urb(&hw->ctlx_urb);
return 0;
}
/*----------------------------------------------------------------
* prism2sta_event
*
* Handler for card services events.
*
* Arguments:
* event The event code
* priority hi/low - REMOVAL is the only hi
* args ptr to card services struct containing info about
* pcmcia status
*
* Returns:
* Zero on success, non-zero otherwise
*
* Side effects:
*
*
* Call context:
* Both interrupt and process thread, depends on the event.
----------------------------------------------------------------*/
static int
prism2sta_event (
event_t event,
int priority,
event_callback_args_t *args)
{
int result = 0;
dev_link_t *link = (dev_link_t *) args->client_data;
wlandevice_t *wlandev = (wlandevice_t*)link->priv;
hfa384x_t *hw = NULL;
DBFENTER;
if (wlandev) hw = wlandev->priv;
switch (event)
{
case CS_EVENT_CARD_INSERTION:
WLAN_LOG_DEBUG(5,"event is INSERTION\n");
link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
prism2sta_config(link);
if (!(link->state & DEV_CONFIG)) {
wlandev->netdev->irq = 0;
WLAN_LOG_ERROR(
"%s: Initialization failed!\n", dev_info);
wlandev->msdstate = WLAN_MSD_HWFAIL;
break;
}
/* Fill in the rest of the hw struct */
hw->irq = wlandev->netdev->irq;
hw->iobase = wlandev->netdev->base_addr;
hw->link = link;
if (prism2_doreset) {
result = hfa384x_corereset(hw,
prism2_reset_holdtime,
prism2_reset_settletime, 0);
if ( result ) {
WLAN_LOG_ERROR(
"corereset() failed, result=%d.\n",
result);
wlandev->msdstate = WLAN_MSD_HWFAIL;
break;
}
}
#if 0
/*
* TODO: test_hostif() not implemented yet.
*/
result = hfa384x_test_hostif(hw);
if (result) {
WLAN_LOG_ERROR(
"test_hostif() failed, result=%d.\n", result);
wlandev->msdstate = WLAN_MSD_HWFAIL;
break;
}
#endif
wlandev->msdstate = WLAN_MSD_HWPRESENT;
break;
case CS_EVENT_CARD_REMOVAL:
WLAN_LOG_DEBUG(5,"event is REMOVAL\n");
link->state &= ~DEV_PRESENT;
if (wlandev) {
p80211netdev_hwremoved(wlandev);
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
if (link->state & DEV_CONFIG)
{
link->release.expires = jiffies + (HZ/20);
add_timer(&link->release);
}
#endif
break;
case CS_EVENT_RESET_REQUEST:
WLAN_LOG_DEBUG(5,"event is RESET_REQUEST\n");
WLAN_LOG_NOTICE(
"prism2 card reset not supported "
"due to post-reset user mode configuration "
"requirements.\n");
WLAN_LOG_NOTICE(
" From user mode, use "
"'cardctl suspend;cardctl resume' "
"instead.\n");
break;
case CS_EVENT_RESET_PHYSICAL:
case CS_EVENT_CARD_RESET:
WLAN_LOG_WARNING("Rx'd CS_EVENT_RESET_xxx, should not "
"be possible since RESET_REQUEST was denied.\n");
break;
case CS_EVENT_PM_SUSPEND:
WLAN_LOG_DEBUG(5,"event is SUSPEND\n");
link->state |= DEV_SUSPEND;
if (link->state & DEV_CONFIG)
{
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
pcmcia_release_configuration(link->handle);
}
break;
case CS_EVENT_PM_RESUME:
WLAN_LOG_DEBUG(5,"event is RESUME\n");
link->state &= ~DEV_SUSPEND;
if (link->state & DEV_CONFIG) {
pcmcia_request_configuration(link->handle, &link->conf);
}
break;
}
DBFEXIT;
return 0; /* noone else does anthing with the return value */
}
/*----------------------------------------------------------------
* prism2sta_mlmerequest
*
* wlan command message handler. All we do here is pass the message
* over to the prism2sta_mgmt_handler.
*
* Arguments:
* wlandev wlan device structure
* msg wlan command message
* Returns:
* 0 success
* <0 successful acceptance of message, but we're
* waiting for an async process to finish before
* we're done with the msg. When the asynch
* process is done, we'll call the p80211
* function p80211req_confirm() .
* >0 An error occurred while we were handling
* the message.
*
* Side effects:
*
* Call context:
* process thread
----------------------------------------------------------------*/
static int prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg)
{
hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
int result = 0;
switch (msg->msgcode) {
case DIDmsg_dot11req_mibget:
pr_debug("Received mibget request\n");
result = prism2mgmt_mibset_mibget(wlandev, msg);
break;
case DIDmsg_dot11req_mibset:
pr_debug("Received mibset request\n");
result = prism2mgmt_mibset_mibget(wlandev, msg);
break;
case DIDmsg_dot11req_scan:
pr_debug("Received scan request\n");
result = prism2mgmt_scan(wlandev, msg);
break;
case DIDmsg_dot11req_scan_results:
pr_debug("Received scan_results request\n");
result = prism2mgmt_scan_results(wlandev, msg);
break;
case DIDmsg_dot11req_start:
pr_debug("Received mlme start request\n");
result = prism2mgmt_start(wlandev, msg);
break;
case DIDmsg_p2req_readpda:
pr_debug("Received mlme readpda request\n");
result = prism2mgmt_readpda(wlandev, msg);
break;
case DIDmsg_p2req_ramdl_state:
pr_debug("Received mlme ramdl_state request\n");
result = prism2mgmt_ramdl_state(wlandev, msg);
break;
case DIDmsg_p2req_ramdl_write:
pr_debug("Received mlme ramdl_write request\n");
result = prism2mgmt_ramdl_write(wlandev, msg);
break;
case DIDmsg_p2req_flashdl_state:
pr_debug("Received mlme flashdl_state request\n");
result = prism2mgmt_flashdl_state(wlandev, msg);
break;
case DIDmsg_p2req_flashdl_write:
pr_debug("Received mlme flashdl_write request\n");
result = prism2mgmt_flashdl_write(wlandev, msg);
break;
case DIDmsg_lnxreq_hostwep:
break;
case DIDmsg_lnxreq_ifstate:
{
p80211msg_lnxreq_ifstate_t *ifstatemsg;
pr_debug("Received mlme ifstate request\n");
ifstatemsg = (p80211msg_lnxreq_ifstate_t *) msg;
result =
prism2sta_ifstate(wlandev,
ifstatemsg->ifstate.data);
ifstatemsg->resultcode.status =
P80211ENUM_msgitem_status_data_ok;
ifstatemsg->resultcode.data = result;
result = 0;
}
break;
case DIDmsg_lnxreq_wlansniff:
pr_debug("Received mlme wlansniff request\n");
result = prism2mgmt_wlansniff(wlandev, msg);
break;
case DIDmsg_lnxreq_autojoin:
pr_debug("Received mlme autojoin request\n");
result = prism2mgmt_autojoin(wlandev, msg);
break;
case DIDmsg_lnxreq_commsquality:{
p80211msg_lnxreq_commsquality_t *qualmsg;
pr_debug("Received commsquality request\n");
qualmsg = (p80211msg_lnxreq_commsquality_t *) msg;
qualmsg->link.status =
P80211ENUM_msgitem_status_data_ok;
qualmsg->level.status =
P80211ENUM_msgitem_status_data_ok;
qualmsg->noise.status =
P80211ENUM_msgitem_status_data_ok;
qualmsg->link.data = le16_to_cpu(hw->qual.CQ_currBSS);
qualmsg->level.data = le16_to_cpu(hw->qual.ASL_currBSS);
qualmsg->noise.data = le16_to_cpu(hw->qual.ANL_currFC);
break;
}
default:
printk(KERN_WARNING "Unknown mgmt request message 0x%08x",
msg->msgcode);
break;
}
return result;
}
int prism2_fwapply(const struct ihex_binrec *rfptr, wlandevice_t *wlandev)
{
signed int result = 0;
struct p80211msg_dot11req_mibget getmsg;
p80211itemd_t *item;
u32 *data;
ns3data = 0;
memset(s3data, 0, sizeof(s3data));
ns3plug = 0;
memset(s3plug, 0, sizeof(s3plug));
ns3crc = 0;
memset(s3crc, 0, sizeof(s3crc));
ns3info = 0;
memset(s3info, 0, sizeof(s3info));
startaddr = 0;
nfchunks = 0;
memset(fchunk, 0, sizeof(fchunk));
memset(&nicid, 0, sizeof(nicid));
memset(&rfid, 0, sizeof(rfid));
memset(&macid, 0, sizeof(macid));
memset(&priid, 0, sizeof(priid));
memset(&pda, 0, sizeof(pda));
pda.rec[0] = (hfa384x_pdrec_t *) pda.buf;
pda.rec[0]->len = cpu_to_le16(2);
pda.rec[0]->code = cpu_to_le16(HFA384x_PDR_END_OF_PDA);
pda.nrec = 1;
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
if (read_cardpda(&pda, wlandev)) {
printk(KERN_ERR "load_cardpda failed, exiting.\n");
return 1;
}
memset(&getmsg, 0, sizeof(getmsg));
getmsg.msgcode = DIDmsg_dot11req_mibget;
getmsg.msglen = sizeof(getmsg);
strcpy(getmsg.devname, wlandev->name);
getmsg.mibattribute.did = DIDmsg_dot11req_mibget_mibattribute;
getmsg.mibattribute.status = P80211ENUM_msgitem_status_data_ok;
getmsg.resultcode.did = DIDmsg_dot11req_mibget_resultcode;
getmsg.resultcode.status = P80211ENUM_msgitem_status_no_value;
item = (p80211itemd_t *) getmsg.mibattribute.data;
item->did = DIDmib_p2_p2NIC_p2PRISupRange;
item->status = P80211ENUM_msgitem_status_no_value;
data = (u32 *) item->data;
prism2mgmt_mibset_mibget(wlandev, &getmsg);
if (getmsg.resultcode.data != P80211ENUM_resultcode_success)
printk(KERN_ERR "Couldn't fetch PRI-SUP info\n");
priid.role = *data++;
priid.id = *data++;
priid.variant = *data++;
priid.bottom = *data++;
priid.top = *data++;
result = read_fwfile(rfptr);
if (result) {
printk(KERN_ERR "Failed to read the data exiting.\n");
return 1;
}
result = validate_identity();
if (result) {
printk(KERN_ERR "Incompatible firmware image.\n");
return 1;
}
if (startaddr == 0x00000000) {
printk(KERN_ERR "Can't RAM download a Flash image!\n");
return 1;
}
result = mkimage(fchunk, &nfchunks);
result = plugimage(fchunk, nfchunks, s3plug, ns3plug, &pda);
if (result) {
printk(KERN_ERR "Failed to plug data.\n");
return 1;
}
if (crcimage(fchunk, nfchunks, s3crc, ns3crc)) {
printk(KERN_ERR "Failed to insert all CRCs\n");
return 1;
}
result = writeimage(wlandev, fchunk, nfchunks);
if (result) {
printk(KERN_ERR "Failed to ramwrite image data.\n");
return 1;
}
free_chunks(fchunk, &nfchunks);
free_srecs();
printk(KERN_INFO "prism2_usb: firmware loading finished.\n");
return result;
}
/*----------------------------------------------------------------
* prism2_fwapply
*
* Apply the firmware loaded into memory
*
* Arguments:
* rfptr firmware image in kernel memory
* wlandev device
*
* Returns:
* 0 - success
* ~0 - failure
----------------------------------------------------------------*/
int prism2_fwapply(const struct ihex_binrec *rfptr, wlandevice_t *wlandev)
{
signed int result = 0;
struct p80211msg_dot11req_mibget getmsg;
p80211itemd_t *item;
u32 *data;
/* Initialize the data structures */
ns3data = 0;
memset(s3data, 0, sizeof(s3data));
ns3plug = 0;
memset(s3plug, 0, sizeof(s3plug));
ns3crc = 0;
memset(s3crc, 0, sizeof(s3crc));
ns3info = 0;
memset(s3info, 0, sizeof(s3info));
startaddr = 0;
nfchunks = 0;
memset(fchunk, 0, sizeof(fchunk));
memset(&nicid, 0, sizeof(nicid));
memset(&rfid, 0, sizeof(rfid));
memset(&macid, 0, sizeof(macid));
memset(&priid, 0, sizeof(priid));
/* clear the pda and add an initial END record */
memset(&pda, 0, sizeof(pda));
pda.rec[0] = (hfa384x_pdrec_t *) pda.buf;
pda.rec[0]->len = cpu_to_le16(2); /* len in words */
pda.rec[0]->code = cpu_to_le16(HFA384x_PDR_END_OF_PDA);
pda.nrec = 1;
/*-----------------------------------------------------*/
/* Put card into fwload state */
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
/* Build the PDA we're going to use. */
if (read_cardpda(&pda, wlandev)) {
;
return 1;
}
/* read the card's PRI-SUP */
memset(&getmsg, 0, sizeof(getmsg));
getmsg.msgcode = DIDmsg_dot11req_mibget;
getmsg.msglen = sizeof(getmsg);
strcpy(getmsg.devname, wlandev->name);
getmsg.mibattribute.did = DIDmsg_dot11req_mibget_mibattribute;
getmsg.mibattribute.status = P80211ENUM_msgitem_status_data_ok;
getmsg.resultcode.did = DIDmsg_dot11req_mibget_resultcode;
getmsg.resultcode.status = P80211ENUM_msgitem_status_no_value;
item = (p80211itemd_t *) getmsg.mibattribute.data;
item->did = DIDmib_p2_p2NIC_p2PRISupRange;
item->status = P80211ENUM_msgitem_status_no_value;
data = (u32 *) item->data;
/* DIDmsg_dot11req_mibget */
prism2mgmt_mibset_mibget(wlandev, &getmsg);
if (getmsg.resultcode.data != P80211ENUM_resultcode_success)
;
/* Already in host order */
priid.role = *data++;
priid.id = *data++;
priid.variant = *data++;
priid.bottom = *data++;
priid.top = *data++;
/* Read the S3 file */
result = read_fwfile(rfptr);
if (result) {
;
return 1;
}
result = validate_identity();
if (result) {
;
return 1;
}
if (startaddr == 0x00000000) {
;
return 1;
}
/* Make the image chunks */
result = mkimage(fchunk, &nfchunks);
/* Do any plugging */
result = plugimage(fchunk, nfchunks, s3plug, ns3plug, &pda);
if (result) {
;
return 1;
}
/* Insert any CRCs */
if (crcimage(fchunk, nfchunks, s3crc, ns3crc)) {
;
return 1;
}
/* Write the image */
result = writeimage(wlandev, fchunk, nfchunks);
if (result) {
;
return 1;
}
/* clear any allocated memory */
free_chunks(fchunk, &nfchunks);
free_srecs();
;
return result;
}
static int prism2sta_probe_usb(struct usb_interface *interface,
const struct usb_device_id *id)
{
struct usb_device *dev;
wlandevice_t *wlandev = NULL;
hfa384x_t *hw = NULL;
int result = 0;
dev = interface_to_usbdev(interface);
wlandev = create_wlan();
if (!wlandev) {
dev_err(&interface->dev, "Memory allocation failure.\n");
result = -EIO;
goto failed;
}
hw = wlandev->priv;
if (wlan_setup(wlandev, &(interface->dev)) != 0) {
dev_err(&interface->dev, "wlan_setup() failed.\n");
result = -EIO;
goto failed;
}
/* Initialize the hw data */
hfa384x_create(hw, dev);
hw->wlandev = wlandev;
/* Register the wlandev, this gets us a name and registers the
* linux netdevice.
*/
SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
/* Do a chip-level reset on the MAC */
if (prism2_doreset) {
result = hfa384x_corereset(hw,
prism2_reset_holdtime,
prism2_reset_settletime, 0);
if (result != 0) {
result = -EIO;
dev_err(&interface->dev,
"hfa384x_corereset() failed.\n");
goto failed_reset;
}
}
usb_get_dev(dev);
wlandev->msdstate = WLAN_MSD_HWPRESENT;
/* Try and load firmware, then enable card before we register */
prism2_fwtry(dev, wlandev);
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
if (register_wlandev(wlandev) != 0) {
dev_err(&interface->dev, "register_wlandev() failed.\n");
result = -EIO;
goto failed_register;
}
goto done;
failed_register:
usb_put_dev(dev);
failed_reset:
wlan_unsetup(wlandev);
failed:
kfree(wlandev);
kfree(hw);
wlandev = NULL;
done:
usb_set_intfdata(interface, wlandev);
return result;
}
static void prism2sta_disconnect_usb(struct usb_interface *interface)
{
wlandevice_t *wlandev;
wlandev = (wlandevice_t *)usb_get_intfdata(interface);
if (wlandev != NULL) {
LIST_HEAD(cleanlist);
hfa384x_usbctlx_t *ctlx, *temp;
unsigned long flags;
hfa384x_t *hw = wlandev->priv;
if (!hw)
goto exit;
spin_lock_irqsave(&hw->ctlxq.lock, flags);
p80211netdev_hwremoved(wlandev);
list_splice_init(&hw->ctlxq.reapable, &cleanlist);
list_splice_init(&hw->ctlxq.completing, &cleanlist);
list_splice_init(&hw->ctlxq.pending, &cleanlist);
list_splice_init(&hw->ctlxq.active, &cleanlist);
spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
/* There's no hardware to shutdown, but the driver
* might have some tasks or tasklets that must be
* stopped before we can tear everything down.
*/
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
del_singleshot_timer_sync(&hw->throttle);
del_singleshot_timer_sync(&hw->reqtimer);
del_singleshot_timer_sync(&hw->resptimer);
/* Unlink all the URBs. This "removes the wheels"
* from the entire CTLX handling mechanism.
*/
usb_kill_urb(&hw->rx_urb);
usb_kill_urb(&hw->tx_urb);
usb_kill_urb(&hw->ctlx_urb);
tasklet_kill(&hw->completion_bh);
tasklet_kill(&hw->reaper_bh);
cancel_work_sync(&hw->link_bh);
cancel_work_sync(&hw->commsqual_bh);
/* Now we complete any outstanding commands
* and tell everyone who is waiting for their
* responses that we have shut down.
*/
list_for_each_entry(ctlx, &cleanlist, list)
complete(&ctlx->done);
/* Give any outstanding synchronous commands
* a chance to complete. All they need to do
* is "wake up", so that's easy.
* (I'd like a better way to do this, really.)
*/
msleep(100);
/* Now delete the CTLXs, because no-one else can now. */
list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
kfree(ctlx);
/* Unhook the wlandev */
unregister_wlandev(wlandev);
wlan_unsetup(wlandev);
usb_put_dev(hw->usb);
hfa384x_destroy(hw);
kfree(hw);
kfree(wlandev);
}
exit:
usb_set_intfdata(interface, NULL);
}
/*----------------------------------------------------------------
* prism2_fwapply
*
* Apply the firmware loaded into memory
*
* Arguments:
* rfptr firmware image in kernel memory
* wlandev device
*
* Returns:
* 0 - success
* ~0 - failure
*----------------------------------------------------------------
*/
static int prism2_fwapply(const struct ihex_binrec *rfptr,
struct wlandevice *wlandev)
{
signed int result = 0;
struct p80211msg_dot11req_mibget getmsg;
struct p80211itemd *item;
u32 *data;
/* Initialize the data structures */
ns3data = 0;
s3data = kcalloc(S3DATA_MAX, sizeof(*s3data), GFP_KERNEL);
if (!s3data) {
result = -ENOMEM;
goto out;
}
ns3plug = 0;
memset(s3plug, 0, sizeof(s3plug));
ns3crc = 0;
memset(s3crc, 0, sizeof(s3crc));
ns3info = 0;
memset(s3info, 0, sizeof(s3info));
startaddr = 0;
nfchunks = 0;
memset(fchunk, 0, sizeof(fchunk));
memset(&nicid, 0, sizeof(nicid));
memset(&rfid, 0, sizeof(rfid));
memset(&macid, 0, sizeof(macid));
memset(&priid, 0, sizeof(priid));
/* clear the pda and add an initial END record */
memset(&pda, 0, sizeof(pda));
pda.rec[0] = (struct hfa384x_pdrec *)pda.buf;
pda.rec[0]->len = cpu_to_le16(2); /* len in words */
pda.rec[0]->code = cpu_to_le16(HFA384x_PDR_END_OF_PDA);
pda.nrec = 1;
/*-----------------------------------------------------*/
/* Put card into fwload state */
prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
/* Build the PDA we're going to use. */
if (read_cardpda(&pda, wlandev)) {
netdev_err(wlandev->netdev, "load_cardpda failed, exiting.\n");
result = 1;
goto out;
}
/* read the card's PRI-SUP */
memset(&getmsg, 0, sizeof(getmsg));
getmsg.msgcode = DIDmsg_dot11req_mibget;
getmsg.msglen = sizeof(getmsg);
strcpy(getmsg.devname, wlandev->name);
getmsg.mibattribute.did = DIDmsg_dot11req_mibget_mibattribute;
getmsg.mibattribute.status = P80211ENUM_msgitem_status_data_ok;
getmsg.resultcode.did = DIDmsg_dot11req_mibget_resultcode;
getmsg.resultcode.status = P80211ENUM_msgitem_status_no_value;
item = (struct p80211itemd *)getmsg.mibattribute.data;
item->did = DIDmib_p2_p2NIC_p2PRISupRange;
item->status = P80211ENUM_msgitem_status_no_value;
data = (u32 *)item->data;
/* DIDmsg_dot11req_mibget */
prism2mgmt_mibset_mibget(wlandev, &getmsg);
if (getmsg.resultcode.data != P80211ENUM_resultcode_success)
netdev_err(wlandev->netdev, "Couldn't fetch PRI-SUP info\n");
/* Already in host order */
priid.role = *data++;
priid.id = *data++;
priid.variant = *data++;
priid.bottom = *data++;
priid.top = *data++;
/* Read the S3 file */
result = read_fwfile(rfptr);
if (result) {
netdev_err(wlandev->netdev,
"Failed to read the data exiting.\n");
goto out;
}
result = validate_identity();
if (result) {
netdev_err(wlandev->netdev, "Incompatible firmware image.\n");
goto out;
}
if (startaddr == 0x00000000) {
netdev_err(wlandev->netdev,
"Can't RAM download a Flash image!\n");
result = 1;
goto out;
}
/* Make the image chunks */
result = mkimage(fchunk, &nfchunks);
if (result) {
netdev_err(wlandev->netdev, "Failed to make image chunk.\n");
goto free_chunks;
}
/* Do any plugging */
result = plugimage(fchunk, nfchunks, s3plug, ns3plug, &pda);
if (result) {
netdev_err(wlandev->netdev, "Failed to plug data.\n");
goto free_chunks;
}
/* Insert any CRCs */
result = crcimage(fchunk, nfchunks, s3crc, ns3crc);
if (result) {
netdev_err(wlandev->netdev, "Failed to insert all CRCs\n");
goto free_chunks;
}
/* Write the image */
result = writeimage(wlandev, fchunk, nfchunks);
if (result) {
netdev_err(wlandev->netdev, "Failed to ramwrite image data.\n");
goto free_chunks;
}
netdev_info(wlandev->netdev, "prism2_usb: firmware loading finished.\n");
free_chunks:
/* clear any allocated memory */
free_chunks(fchunk, &nfchunks);
free_srecs();
out:
return result;
}
