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Merge branch 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes

This commit is contained in:
Jeff Garzik 2006-10-21 14:21:11 -04:00
parent cfadbd298e 41072a1be5
commit cde49b0584
16 changed files with 238 additions and 151 deletions
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105
drivers/net/wireless/airo.c
View File

@ -2897,6 +2897,8 @@ static struct net_device *_init_airo_card( unsigned short irq, int port,
goto err_out_map;
}
ai->wifidev = init_wifidev(ai, dev);
if (!ai->wifidev)
goto err_out_reg;
set_bit(FLAG_REGISTERED,&ai->flags);
airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
@ -2908,11 +2910,18 @@ static struct net_device *_init_airo_card( unsigned short irq, int port,
for( i = 0; i < MAX_FIDS; i++ )
ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
if (setup_proc_entry(dev, dev->priv) < 0)
goto err_out_wifi;
netif_start_queue(dev);
SET_MODULE_OWNER(dev);
return dev;
err_out_wifi:
unregister_netdev(ai->wifidev);
free_netdev(ai->wifidev);
err_out_reg:
unregister_netdev(dev);
err_out_map:
if (test_bit(FLAG_MPI,&ai->flags) && pci) {
pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
@ -3089,7 +3098,8 @@ static int airo_thread(void *data) {
set_bit(JOB_AUTOWEP, &ai->jobs);
break;
}
if (!kthread_should_stop()) {
if (!kthread_should_stop() &&
!freezing(current)) {
unsigned long wake_at;
if (!ai->expires || !ai->scan_timeout) {
wake_at = max(ai->expires,
@ -3101,7 +3111,8 @@ static int airo_thread(void *data) {
schedule_timeout(wake_at - jiffies);
continue;
}
} else if (!kthread_should_stop()) {
} else if (!kthread_should_stop() &&
!freezing(current)) {
schedule();
continue;
}
@ -4495,91 +4506,128 @@ static int setup_proc_entry( struct net_device *dev,
apriv->proc_entry = create_proc_entry(apriv->proc_name,
S_IFDIR|airo_perm,
airo_entry);
apriv->proc_entry->uid = proc_uid;
apriv->proc_entry->gid = proc_gid;
apriv->proc_entry->owner = THIS_MODULE;
if (!apriv->proc_entry)
goto fail;
apriv->proc_entry->uid = proc_uid;
apriv->proc_entry->gid = proc_gid;
apriv->proc_entry->owner = THIS_MODULE;
/* Setup the StatsDelta */
entry = create_proc_entry("StatsDelta",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry);
entry->uid = proc_uid;
entry->gid = proc_gid;
if (!entry)
goto fail_stats_delta;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_statsdelta_ops);
/* Setup the Stats */
entry = create_proc_entry("Stats",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry);
entry->uid = proc_uid;
entry->gid = proc_gid;
if (!entry)
goto fail_stats;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_stats_ops);
/* Setup the Status */
entry = create_proc_entry("Status",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry);
entry->uid = proc_uid;
entry->gid = proc_gid;
if (!entry)
goto fail_status;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_status_ops);
/* Setup the Config */
entry = create_proc_entry("Config",
S_IFREG | proc_perm,
apriv->proc_entry);
entry->uid = proc_uid;
entry->gid = proc_gid;
if (!entry)
goto fail_config;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_config_ops);
/* Setup the SSID */
entry = create_proc_entry("SSID",
S_IFREG | proc_perm,
apriv->proc_entry);
entry->uid = proc_uid;
entry->gid = proc_gid;
if (!entry)
goto fail_ssid;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_SSID_ops);
/* Setup the APList */
entry = create_proc_entry("APList",
S_IFREG | proc_perm,
apriv->proc_entry);
entry->uid = proc_uid;
entry->gid = proc_gid;
if (!entry)
goto fail_aplist;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_APList_ops);
/* Setup the BSSList */
entry = create_proc_entry("BSSList",
S_IFREG | proc_perm,
apriv->proc_entry);
if (!entry)
goto fail_bsslist;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_BSSList_ops);
/* Setup the WepKey */
entry = create_proc_entry("WepKey",
S_IFREG | proc_perm,
apriv->proc_entry);
entry->uid = proc_uid;
entry->gid = proc_gid;
if (!entry)
goto fail_wepkey;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_wepkey_ops);
return 0;
fail_wepkey:
remove_proc_entry("BSSList", apriv->proc_entry);
fail_bsslist:
remove_proc_entry("APList", apriv->proc_entry);
fail_aplist:
remove_proc_entry("SSID", apriv->proc_entry);
fail_ssid:
remove_proc_entry("Config", apriv->proc_entry);
fail_config:
remove_proc_entry("Status", apriv->proc_entry);
fail_status:
remove_proc_entry("Stats", apriv->proc_entry);
fail_stats:
remove_proc_entry("StatsDelta", apriv->proc_entry);
fail_stats_delta:
remove_proc_entry(apriv->proc_name, airo_entry);
fail:
return -ENOMEM;
}
static int takedown_proc_entry( struct net_device *dev,
@ -5924,7 +5972,6 @@ static int airo_get_essid(struct net_device *dev,
/* Get the current SSID */
memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
extra[status_rid.SSIDlen] = '\0';
/* If none, we may want to get the one that was set */
/* Push it out ! */

2
drivers/net/wireless/atmel.c
View File

@ -1678,11 +1678,9 @@ static int atmel_get_essid(struct net_device *dev,
/* Get the current SSID */
if (priv->new_SSID_size != 0) {
memcpy(extra, priv->new_SSID, priv->new_SSID_size);
extra[priv->new_SSID_size] = '\0';
dwrq->length = priv->new_SSID_size;
} else {
memcpy(extra, priv->SSID, priv->SSID_size);
extra[priv->SSID_size] = '\0';
dwrq->length = priv->SSID_size;
}

28
drivers/net/wireless/bcm43xx/bcm43xx_dma.c
View File

@ -705,11 +705,30 @@ int bcm43xx_dma_init(struct bcm43xx_private *bcm)
struct bcm43xx_dmaring *ring;
int err = -ENOMEM;
int dma64 = 0;
u32 sbtmstatehi;
u64 mask = bcm43xx_get_supported_dma_mask(bcm);
int nobits;
sbtmstatehi = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
if (sbtmstatehi & BCM43xx_SBTMSTATEHIGH_DMA64BIT)
if (mask == DMA_64BIT_MASK) {
dma64 = 1;
nobits = 64;
} else if (mask == DMA_32BIT_MASK)
nobits = 32;
else
nobits = 30;
err = pci_set_dma_mask(bcm->pci_dev, mask);
err |= pci_set_consistent_dma_mask(bcm->pci_dev, mask);
if (err) {
#ifdef CONFIG_BCM43XX_PIO
printk(KERN_WARNING PFX "DMA not supported on this device."
" Falling back to PIO.\n");
bcm->__using_pio = 1;
return -ENOSYS;
#else
printk(KERN_ERR PFX "FATAL: DMA not supported and PIO not configured. "
"Please recompile the driver with PIO support.\n");
return -ENODEV;
#endif /* CONFIG_BCM43XX_PIO */
}
/* setup TX DMA channels. */
ring = bcm43xx_setup_dmaring(bcm, 0, 1, dma64);
@ -755,8 +774,7 @@ int bcm43xx_dma_init(struct bcm43xx_private *bcm)
dma->rx_ring3 = ring;
}
dprintk(KERN_INFO PFX "%s DMA initialized\n",
dma64 ? "64-bit" : "32-bit");
dprintk(KERN_INFO PFX "%d-bit DMA initialized\n", nobits);
err = 0;
out:
return err;

17
drivers/net/wireless/bcm43xx/bcm43xx_dma.h
View File

@ -314,6 +314,23 @@ int bcm43xx_dma_tx(struct bcm43xx_private *bcm,
struct ieee80211_txb *txb);
void bcm43xx_dma_rx(struct bcm43xx_dmaring *ring);
/* Helper function that returns the dma mask for this device. */
static inline
u64 bcm43xx_get_supported_dma_mask(struct bcm43xx_private *bcm)
{
int dma64 = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH) &
BCM43xx_SBTMSTATEHIGH_DMA64BIT;
u16 mmio_base = bcm43xx_dmacontroller_base(dma64, 0);
u32 mask = BCM43xx_DMA32_TXADDREXT_MASK;
if (dma64)
return DMA_64BIT_MASK;
bcm43xx_write32(bcm, mmio_base + BCM43xx_DMA32_TXCTL, mask);
if (bcm43xx_read32(bcm, mmio_base + BCM43xx_DMA32_TXCTL) & mask)
return DMA_32BIT_MASK;
return DMA_30BIT_MASK;
}
#else /* CONFIG_BCM43XX_DMA */

2
drivers/net/wireless/bcm43xx/bcm43xx_leds.c
View File

@ -242,7 +242,7 @@ void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity)
//TODO
break;
case BCM43xx_LED_ASSOC:
if (bcm->softmac->associated)
if (bcm->softmac->associnfo.associated)
turn_on = 1;
break;
#ifdef CONFIG_BCM43XX_DEBUG

34
drivers/net/wireless/bcm43xx/bcm43xx_main.c
View File

@ -2925,10 +2925,13 @@ static int bcm43xx_wireless_core_init(struct bcm43xx_private *bcm,
bcm43xx_write16(bcm, 0x043C, 0x000C);
if (active_wlcore) {
if (bcm43xx_using_pio(bcm))
if (bcm43xx_using_pio(bcm)) {
err = bcm43xx_pio_init(bcm);
else
} else {
err = bcm43xx_dma_init(bcm);
if (err == -ENOSYS)
err = bcm43xx_pio_init(bcm);
}
if (err)
goto err_chip_cleanup;
}
@ -3164,12 +3167,12 @@ static void bcm43xx_periodic_work_handler(void *d)
u32 savedirqs = 0;
int badness;
mutex_lock(&bcm->mutex);
badness = estimate_periodic_work_badness(bcm->periodic_state);
if (badness > BADNESS_LIMIT) {
/* Periodic work will take a long time, so we want it to
* be preemtible.
*/
mutex_lock(&bcm->mutex);
netif_tx_disable(bcm->net_dev);
spin_lock_irqsave(&bcm->irq_lock, flags);
bcm43xx_mac_suspend(bcm);
@ -3182,7 +3185,6 @@ static void bcm43xx_periodic_work_handler(void *d)
/* Periodic work should take short time, so we want low
* locking overhead.
*/
mutex_lock(&bcm->mutex);
spin_lock_irqsave(&bcm->irq_lock, flags);
}
@ -3993,8 +3995,6 @@ static int bcm43xx_init_private(struct bcm43xx_private *bcm,
struct net_device *net_dev,
struct pci_dev *pci_dev)
{
int err;
bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
bcm->ieee = netdev_priv(net_dev);
bcm->softmac = ieee80211_priv(net_dev);
@ -4012,22 +4012,8 @@ static int bcm43xx_init_private(struct bcm43xx_private *bcm,
(void (*)(unsigned long))bcm43xx_interrupt_tasklet,
(unsigned long)bcm);
tasklet_disable_nosync(&bcm->isr_tasklet);
if (modparam_pio) {
if (modparam_pio)
bcm->__using_pio = 1;
} else {
err = pci_set_dma_mask(pci_dev, DMA_30BIT_MASK);
err |= pci_set_consistent_dma_mask(pci_dev, DMA_30BIT_MASK);
if (err) {
#ifdef CONFIG_BCM43XX_PIO
printk(KERN_WARNING PFX "DMA not supported. Falling back to PIO.\n");
bcm->__using_pio = 1;
#else
printk(KERN_ERR PFX "FATAL: DMA not supported and PIO not configured. "
"Recompile the driver with PIO support, please.\n");
return -ENODEV;
#endif /* CONFIG_BCM43XX_PIO */
}
}
bcm->rts_threshold = BCM43xx_DEFAULT_RTS_THRESHOLD;
/* default to sw encryption for now */
@ -4208,7 +4194,11 @@ static int bcm43xx_resume(struct pci_dev *pdev)
dprintk(KERN_INFO PFX "Resuming...\n");
pci_set_power_state(pdev, 0);
pci_enable_device(pdev);
err = pci_enable_device(pdev);
if (err) {
printk(KERN_ERR PFX "Failure with pci_enable_device!\n");
return err;
}
pci_restore_state(pdev);
bcm43xx_chipset_attach(bcm);

2
drivers/net/wireless/bcm43xx/bcm43xx_wx.c
View File

@ -847,7 +847,7 @@ static struct iw_statistics *bcm43xx_get_wireless_stats(struct net_device *net_d
unsigned long flags;
wstats = &bcm->stats.wstats;
if (!mac->associated) {
if (!mac->associnfo.associated) {
wstats->miss.beacon = 0;
// bcm->ieee->ieee_stats.tx_retry_limit_exceeded = 0; // FIXME: should this be cleared here?
wstats->discard.retries = 0;

16
drivers/net/wireless/orinoco.c
View File

@ -2457,6 +2457,7 @@ void free_orinocodev(struct net_device *dev)
/* Wireless extensions */
/********************************************************************/
/* Return : < 0 -> error code ; >= 0 -> length */
static int orinoco_hw_get_essid(struct orinoco_private *priv, int *active,
char buf[IW_ESSID_MAX_SIZE+1])
{
@ -2501,9 +2502,9 @@ static int orinoco_hw_get_essid(struct orinoco_private *priv, int *active,
len = le16_to_cpu(essidbuf.len);
BUG_ON(len > IW_ESSID_MAX_SIZE);
memset(buf, 0, IW_ESSID_MAX_SIZE+1);
memset(buf, 0, IW_ESSID_MAX_SIZE);
memcpy(buf, p, len);
buf[len] = '\0';
err = len;
fail_unlock:
orinoco_unlock(priv, &flags);
@ -3027,17 +3028,18 @@ static int orinoco_ioctl_getessid(struct net_device *dev,
if (netif_running(dev)) {
err = orinoco_hw_get_essid(priv, &active, essidbuf);
if (err)
if (err < 0)
return err;
erq->length = err;
} else {
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
memcpy(essidbuf, priv->desired_essid, IW_ESSID_MAX_SIZE + 1);
memcpy(essidbuf, priv->desired_essid, IW_ESSID_MAX_SIZE);
erq->length = strlen(priv->desired_essid);
orinoco_unlock(priv, &flags);
}
erq->flags = 1;
erq->length = strlen(essidbuf);
return 0;
}
@ -3075,10 +3077,10 @@ static int orinoco_ioctl_getnick(struct net_device *dev,
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
memcpy(nickbuf, priv->nick, IW_ESSID_MAX_SIZE+1);
memcpy(nickbuf, priv->nick, IW_ESSID_MAX_SIZE);
orinoco_unlock(priv, &flags);
nrq->length = strlen(nickbuf);
nrq->length = strlen(priv->nick);
return 0;
}

1
drivers/net/wireless/ray_cs.c
View File

@ -1198,7 +1198,6 @@ static int ray_get_essid(struct net_device *dev,
/* Get the essid that was set */
memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
extra[IW_ESSID_MAX_SIZE] = '\0';
/* Push it out ! */
dwrq->length = strlen(extra);

6
drivers/net/wireless/zd1201.c
View File

@ -193,10 +193,8 @@ static void zd1201_usbrx(struct urb *urb)
struct sk_buff *skb;
unsigned char type;
if (!zd) {
free = 1;
goto exit;
}
if (!zd)
return;
switch(urb->status) {
case -EILSEQ:

2
drivers/net/wireless/zd1211rw/zd_mac.c
View File

@ -1099,7 +1099,7 @@ static void link_led_handler(void *p)
int r;
spin_lock_irq(&mac->lock);
is_associated = sm->associated != 0;
is_associated = sm->associnfo.associated != 0;
spin_unlock_irq(&mac->lock);
r = zd_chip_control_leds(chip,

35
include/net/ieee80211softmac.h
View File

@ -63,13 +63,11 @@ struct ieee80211softmac_wpa {
/*
* Information about association
*
* Do we need a lock for this?
* We only ever use this structure inlined
* into our global struct. I've used its lock,
* but maybe we need a local one here?
*/
struct ieee80211softmac_assoc_info {
struct mutex mutex;
/*
* This is the requested ESSID. It is written
* only by the WX handlers.
@ -99,12 +97,13 @@ struct ieee80211softmac_assoc_info {
*
* bssfixed is used for SIOCSIWAP.
*/
u8 static_essid:1,
short_preamble_available:1,
associating:1,
assoc_wait:1,
bssvalid:1,
bssfixed:1;
u8 static_essid;
u8 short_preamble_available;
u8 associating;
u8 associated;
u8 assoc_wait;
u8 bssvalid;
u8 bssfixed;
/* Scan retries remaining */
int scan_retry;
@ -229,12 +228,10 @@ struct ieee80211softmac_device {
/* private stuff follows */
/* this lock protects this structure */
spinlock_t lock;
/* couple of flags */
u8 scanning:1, /* protects scanning from being done multiple times at once */
associated:1,
running:1;
u8 running; /* SoftMAC started? */
u8 scanning;
struct ieee80211softmac_scaninfo *scaninfo;
struct ieee80211softmac_assoc_info associnfo;
struct ieee80211softmac_bss_info bssinfo;
@ -250,7 +247,7 @@ struct ieee80211softmac_device {
/* we need to keep a list of network structs we copied */
struct list_head network_list;
/* This must be the last item so that it points to the data
* allocated beyond this structure by alloc_ieee80211 */
u8 priv[0];
@ -295,7 +292,7 @@ static inline u8 ieee80211softmac_suggest_txrate(struct ieee80211softmac_device
{
struct ieee80211softmac_txrates *txrates = &mac->txrates;
if (!mac->associated)
if (!mac->associnfo.associated)
return txrates->mgt_mcast_rate;
/* We are associated, sending unicast frame */

56
net/ieee80211/softmac/ieee80211softmac_assoc.c
View File

@ -48,7 +48,7 @@ ieee80211softmac_assoc(struct ieee80211softmac_device *mac, struct ieee80211soft
dprintk(KERN_INFO PFX "sent association request!\n");
spin_lock_irqsave(&mac->lock, flags);
mac->associated = 0; /* just to make sure */
mac->associnfo.associated = 0; /* just to make sure */
/* Set a timer for timeout */
/* FIXME: make timeout configurable */
@ -62,24 +62,22 @@ ieee80211softmac_assoc_timeout(void *d)
{
struct ieee80211softmac_device *mac = (struct ieee80211softmac_device *)d;
struct ieee80211softmac_network *n;
unsigned long flags;
spin_lock_irqsave(&mac->lock, flags);
mutex_lock(&mac->associnfo.mutex);
/* we might race against ieee80211softmac_handle_assoc_response,
* so make sure only one of us does something */
if (!mac->associnfo.associating) {
spin_unlock_irqrestore(&mac->lock, flags);
return;
}
if (!mac->associnfo.associating)
goto out;
mac->associnfo.associating = 0;
mac->associnfo.bssvalid = 0;
mac->associated = 0;
mac->associnfo.associated = 0;
n = ieee80211softmac_get_network_by_bssid_locked(mac, mac->associnfo.bssid);
spin_unlock_irqrestore(&mac->lock, flags);
dprintk(KERN_INFO PFX "assoc request timed out!\n");
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_TIMEOUT, n);
out:
mutex_unlock(&mac->associnfo.mutex);
}
void
@ -93,7 +91,7 @@ ieee80211softmac_disassoc(struct ieee80211softmac_device *mac)
netif_carrier_off(mac->dev);
mac->associated = 0;
mac->associnfo.associated = 0;
mac->associnfo.bssvalid = 0;
mac->associnfo.associating = 0;
ieee80211softmac_init_bss(mac);
@ -107,7 +105,7 @@ ieee80211softmac_send_disassoc_req(struct ieee80211softmac_device *mac, u16 reas
{
struct ieee80211softmac_network *found;
if (mac->associnfo.bssvalid && mac->associated) {
if (mac->associnfo.bssvalid && mac->associnfo.associated) {
found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);
if (found)
ieee80211softmac_send_mgt_frame(mac, found, IEEE80211_STYPE_DISASSOC, reason);
@ -196,17 +194,18 @@ ieee80211softmac_assoc_work(void *d)
int bssvalid;
unsigned long flags;
mutex_lock(&mac->associnfo.mutex);
if (!mac->associnfo.associating)
goto out;
/* ieee80211_disassoc might clear this */
bssvalid = mac->associnfo.bssvalid;
/* meh */
if (mac->associated)
if (mac->associnfo.associated)
ieee80211softmac_send_disassoc_req(mac, WLAN_REASON_DISASSOC_STA_HAS_LEFT);
spin_lock_irqsave(&mac->lock, flags);
mac->associnfo.associating = 1;
spin_unlock_irqrestore(&mac->lock, flags);
/* try to find the requested network in our list, if we found one already */
if (bssvalid || mac->associnfo.bssfixed)
found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);
@ -260,10 +259,8 @@ ieee80211softmac_assoc_work(void *d)
if (!found) {
if (mac->associnfo.scan_retry > 0) {
spin_lock_irqsave(&mac->lock, flags);
mac->associnfo.scan_retry--;
spin_unlock_irqrestore(&mac->lock, flags);
/* We know of no such network. Let's scan.
* NB: this also happens if we had no memory to copy the network info...
* Maybe we can hope to have more memory after scanning finishes ;)
@ -272,19 +269,17 @@ ieee80211softmac_assoc_work(void *d)
ieee80211softmac_notify(mac->dev, IEEE80211SOFTMAC_EVENT_SCAN_FINISHED, ieee80211softmac_assoc_notify_scan, NULL);
if (ieee80211softmac_start_scan(mac))
dprintk(KERN_INFO PFX "Associate: failed to initiate scan. Is device up?\n");
return;
goto out;
} else {
spin_lock_irqsave(&mac->lock, flags);
mac->associnfo.associating = 0;
mac->associated = 0;
spin_unlock_irqrestore(&mac->lock, flags);
mac->associnfo.associated = 0;
dprintk(KERN_INFO PFX "Unable to find matching network after scan!\n");
/* reset the retry counter for the next user request since we
* break out and don't reschedule ourselves after this point. */
mac->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_NET_NOT_FOUND, NULL);
return;
goto out;
}
}
@ -297,7 +292,7 @@ ieee80211softmac_assoc_work(void *d)
/* copy the ESSID for displaying it */
mac->associnfo.associate_essid.len = found->essid.len;
memcpy(mac->associnfo.associate_essid.data, found->essid.data, IW_ESSID_MAX_SIZE + 1);
/* we found a network! authenticate (if necessary) and associate to it. */
if (found->authenticating) {
dprintk(KERN_INFO PFX "Already requested authentication, waiting...\n");
@ -305,7 +300,7 @@ ieee80211softmac_assoc_work(void *d)
mac->associnfo.assoc_wait = 1;
ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify_auth, NULL, GFP_KERNEL);
}
return;
goto out;
}
if (!found->authenticated && !found->authenticating) {
/* This relies on the fact that _auth_req only queues the work,
@ -321,11 +316,14 @@ ieee80211softmac_assoc_work(void *d)
mac->associnfo.assoc_wait = 0;
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_FAILED, found);
}
return;
goto out;
}
/* finally! now we can start associating */
mac->associnfo.assoc_wait = 0;
ieee80211softmac_assoc(mac, found);
out:
mutex_unlock(&mac->associnfo.mutex);
}
/* call this to do whatever is necessary when we're associated */
@ -341,7 +339,7 @@ ieee80211softmac_associated(struct ieee80211softmac_device *mac,
mac->bssinfo.supported_rates = net->supported_rates;
ieee80211softmac_recalc_txrates(mac);
mac->associated = 1;
mac->associnfo.associated = 1;
mac->associnfo.short_preamble_available =
(cap & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0;
@ -421,7 +419,7 @@ ieee80211softmac_handle_assoc_response(struct net_device * dev,
dprintk(KERN_INFO PFX "associating failed (reason: 0x%x)!\n", status);
mac->associnfo.associating = 0;
mac->associnfo.bssvalid = 0;
mac->associated = 0;
mac->associnfo.associated = 0;
ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_FAILED, network);
}

11
net/ieee80211/softmac/ieee80211softmac_io.c
View File

@ -304,7 +304,7 @@ ieee80211softmac_auth(struct ieee80211_auth **pkt,
2 + /* Auth Transaction Seq */
2 + /* Status Code */
/* Challenge Text IE */
is_shared_response ? 0 : 1 + 1 + net->challenge_len
(is_shared_response ? 1 + 1 + net->challenge_len : 0)
);
if (unlikely((*pkt) == NULL))
return 0;
@ -475,8 +475,13 @@ int ieee80211softmac_handle_beacon(struct net_device *dev,
{
struct ieee80211softmac_device *mac = ieee80211_priv(dev);
if (mac->associated && memcmp(network->bssid, mac->associnfo.bssid, ETH_ALEN) == 0)
ieee80211softmac_process_erp(mac, network->erp_value);
/* This might race, but we don't really care and it's not worth
* adding heavyweight locking in this fastpath.
*/
if (mac->associnfo.associated) {
if (memcmp(network->bssid, mac->associnfo.bssid, ETH_ALEN) == 0)
ieee80211softmac_process_erp(mac, network->erp_value);
}
return 0;
}

1
net/ieee80211/softmac/ieee80211softmac_module.c
View File

@ -57,6 +57,7 @@ struct net_device *alloc_ieee80211softmac(int sizeof_priv)
INIT_LIST_HEAD(&softmac->network_list);
INIT_LIST_HEAD(&softmac->events);
mutex_init(&softmac->associnfo.mutex);
INIT_WORK(&softmac->associnfo.work, ieee80211softmac_assoc_work, softmac);
INIT_WORK(&softmac->associnfo.timeout, ieee80211softmac_assoc_timeout, softmac);
softmac->start_scan = ieee80211softmac_start_scan_implementation;

71
net/ieee80211/softmac/ieee80211softmac_wx.c
View File

@ -73,13 +73,14 @@ ieee80211softmac_wx_set_essid(struct net_device *net_dev,
struct ieee80211softmac_network *n;
struct ieee80211softmac_auth_queue_item *authptr;
int length = 0;
unsigned long flags;
mutex_lock(&sm->associnfo.mutex);
/* Check if we're already associating to this or another network
* If it's another network, cancel and start over with our new network
* If it's our network, ignore the change, we're already doing it!
*/
if((sm->associnfo.associating || sm->associated) &&
if((sm->associnfo.associating || sm->associnfo.associated) &&
(data->essid.flags && data->essid.length)) {
/* Get the associating network */
n = ieee80211softmac_get_network_by_bssid(sm, sm->associnfo.bssid);
@ -87,10 +88,9 @@ ieee80211softmac_wx_set_essid(struct net_device *net_dev,
!memcmp(n->essid.data, extra, n->essid.len)) {
dprintk(KERN_INFO PFX "Already associating or associated to "MAC_FMT"\n",
MAC_ARG(sm->associnfo.bssid));
return 0;
goto out;
} else {
dprintk(KERN_INFO PFX "Canceling existing associate request!\n");
spin_lock_irqsave(&sm->lock,flags);
/* Cancel assoc work */
cancel_delayed_work(&sm->associnfo.work);
/* We don't have to do this, but it's a little cleaner */
@ -98,14 +98,13 @@ ieee80211softmac_wx_set_essid(struct net_device *net_dev,
cancel_delayed_work(&authptr->work);
sm->associnfo.bssvalid = 0;
sm->associnfo.bssfixed = 0;
spin_unlock_irqrestore(&sm->lock,flags);
flush_scheduled_work();
sm->associnfo.associating = 0;
sm->associnfo.associated = 0;
}
}
spin_lock_irqsave(&sm->lock, flags);
sm->associnfo.static_essid = 0;
sm->associnfo.assoc_wait = 0;
@ -121,10 +120,12 @@ ieee80211softmac_wx_set_essid(struct net_device *net_dev,
* If applicable, we have already copied the data in */
sm->associnfo.req_essid.len = length;
sm->associnfo.associating = 1;
/* queue lower level code to do work (if necessary) */
schedule_work(&sm->associnfo.work);
out:
mutex_unlock(&sm->associnfo.mutex);
spin_unlock_irqrestore(&sm->lock, flags);
return 0;
}
EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_essid);
@ -136,10 +137,8 @@ ieee80211softmac_wx_get_essid(struct net_device *net_dev,
char *extra)
{
struct ieee80211softmac_device *sm = ieee80211_priv(net_dev);
unsigned long flags;
/* avoid getting inconsistent information */
spin_lock_irqsave(&sm->lock, flags);
mutex_lock(&sm->associnfo.mutex);
/* If all fails, return ANY (empty) */
data->essid.length = 0;
data->essid.flags = 0; /* active */
@ -152,12 +151,13 @@ ieee80211softmac_wx_get_essid(struct net_device *net_dev,
}
/* If we're associating/associated, return that */
if (sm->associated || sm->associnfo.associating) {
if (sm->associnfo.associated || sm->associnfo.associating) {
data->essid.length = sm->associnfo.associate_essid.len;
data->essid.flags = 1; /* active */
memcpy(extra, sm->associnfo.associate_essid.data, sm->associnfo.associate_essid.len);
}
spin_unlock_irqrestore(&sm->lock, flags);
mutex_unlock(&sm->associnfo.mutex);
return 0;
}
EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_essid);
@ -322,15 +322,15 @@ ieee80211softmac_wx_get_wap(struct net_device *net_dev,
{
struct ieee80211softmac_device *mac = ieee80211_priv(net_dev);
int err = 0;
unsigned long flags;
spin_lock_irqsave(&mac->lock, flags);
mutex_lock(&mac->associnfo.mutex);
if (mac->associnfo.bssvalid)
memcpy(data->ap_addr.sa_data, mac->associnfo.bssid, ETH_ALEN);
else
memset(data->ap_addr.sa_data, 0xff, ETH_ALEN);
data->ap_addr.sa_family = ARPHRD_ETHER;
spin_unlock_irqrestore(&mac->lock, flags);
mutex_unlock(&mac->associnfo.mutex);
return err;
}
EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_wap);
@ -342,28 +342,27 @@ ieee80211softmac_wx_set_wap(struct net_device *net_dev,
char *extra)
{
struct ieee80211softmac_device *mac = ieee80211_priv(net_dev);
unsigned long flags;
/* sanity check */
if (data->ap_addr.sa_family != ARPHRD_ETHER) {
return -EINVAL;
}
spin_lock_irqsave(&mac->lock, flags);
mutex_lock(&mac->associnfo.mutex);
if (is_broadcast_ether_addr(data->ap_addr.sa_data)) {
/* the bssid we have is not to be fixed any longer,
* and we should reassociate to the best AP. */
mac->associnfo.bssfixed = 0;
/* force reassociation */
mac->associnfo.bssvalid = 0;
if (mac->associated)
if (mac->associnfo.associated)
schedule_work(&mac->associnfo.work);
} else if (is_zero_ether_addr(data->ap_addr.sa_data)) {
/* the bssid we have is no longer fixed */
mac->associnfo.bssfixed = 0;
} else {
if (!memcmp(mac->associnfo.bssid, data->ap_addr.sa_data, ETH_ALEN)) {
if (mac->associnfo.associating || mac->associated) {
if (mac->associnfo.associating || mac->associnfo.associated) {
/* bssid unchanged and associated or associating - just return */
goto out;
}
@ -378,7 +377,8 @@ ieee80211softmac_wx_set_wap(struct net_device *net_dev,
}
out:
spin_unlock_irqrestore(&mac->lock, flags);
mutex_unlock(&mac->associnfo.mutex);
return 0;
}
EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_wap);
@ -394,7 +394,8 @@ ieee80211softmac_wx_set_genie(struct net_device *dev,
int err = 0;
char *buf;
int i;
mutex_lock(&mac->associnfo.mutex);
spin_lock_irqsave(&mac->lock, flags);
/* bleh. shouldn't be locked for that kmalloc... */
@ -432,6 +433,8 @@ ieee80211softmac_wx_set_genie(struct net_device *dev,
out:
spin_unlock_irqrestore(&mac->lock, flags);
mutex_unlock(&mac->associnfo.mutex);
return err;
}
EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_genie);
@ -446,7 +449,8 @@ ieee80211softmac_wx_get_genie(struct net_device *dev,
unsigned long flags;
int err = 0;
int space = wrqu->data.length;
mutex_lock(&mac->associnfo.mutex);
spin_lock_irqsave(&mac->lock, flags);
wrqu->data.length = 0;
@ -459,6 +463,8 @@ ieee80211softmac_wx_get_genie(struct net_device *dev,
err = -E2BIG;
}
spin_unlock_irqrestore(&mac->lock, flags);
mutex_lock(&mac->associnfo.mutex);
return err;
}
EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_genie);
@ -473,10 +479,13 @@ ieee80211softmac_wx_set_mlme(struct net_device *dev,
struct iw_mlme *mlme = (struct iw_mlme *)extra;
u16 reason = cpu_to_le16(mlme->reason_code);
struct ieee80211softmac_network *net;
int err = -EINVAL;
mutex_lock(&mac->associnfo.mutex);
if (memcmp(mac->associnfo.bssid, mlme->addr.sa_data, ETH_ALEN)) {
printk(KERN_DEBUG PFX "wx_set_mlme: requested operation on net we don't use\n");
return -EINVAL;
goto out;
}
switch (mlme->cmd) {
@ -484,14 +493,22 @@ ieee80211softmac_wx_set_mlme(struct net_device *dev,
net = ieee80211softmac_get_network_by_bssid_locked(mac, mlme->addr.sa_data);
if (!net) {
printk(KERN_DEBUG PFX "wx_set_mlme: we should know the net here...\n");
return -EINVAL;
goto out;
}
return ieee80211softmac_deauth_req(mac, net, reason);
case IW_MLME_DISASSOC:
ieee80211softmac_send_disassoc_req(mac, reason);
return 0;
mac->associnfo.associated = 0;
mac->associnfo.associating = 0;
err = 0;
goto out;
default:
return -EOPNOTSUPP;
err = -EOPNOTSUPP;
}
out:
mutex_unlock(&mac->associnfo.mutex);
return err;
}
EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_mlme);