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path: root/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
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Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c')
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c178
1 files changed, 157 insertions, 21 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
index 6a23bdc75412..c71b998a3694 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
@@ -120,12 +120,14 @@ static ssize_t bcm43xx_attr_sprom_show(struct device *dev,
GFP_KERNEL);
if (!sprom)
return -ENOMEM;
- bcm43xx_lock_irqsafe(bcm, flags);
+ mutex_lock(&bcm->mutex);
+ spin_lock_irqsave(&bcm->irq_lock, flags);
err = bcm43xx_sprom_read(bcm, sprom);
if (!err)
err = sprom2hex(sprom, buf, PAGE_SIZE);
mmiowb();
- bcm43xx_unlock_irqsafe(bcm, flags);
+ spin_unlock_irqrestore(&bcm->irq_lock, flags);
+ mutex_unlock(&bcm->mutex);
kfree(sprom);
return err;
@@ -150,10 +152,14 @@ static ssize_t bcm43xx_attr_sprom_store(struct device *dev,
err = hex2sprom(sprom, buf, count);
if (err)
goto out_kfree;
- bcm43xx_lock_irqsafe(bcm, flags);
+ mutex_lock(&bcm->mutex);
+ spin_lock_irqsave(&bcm->irq_lock, flags);
+ spin_lock(&bcm->leds_lock);
err = bcm43xx_sprom_write(bcm, sprom);
mmiowb();
- bcm43xx_unlock_irqsafe(bcm, flags);
+ spin_unlock(&bcm->leds_lock);
+ spin_unlock_irqrestore(&bcm->irq_lock, flags);
+ mutex_unlock(&bcm->mutex);
out_kfree:
kfree(sprom);
@@ -170,13 +176,12 @@ static ssize_t bcm43xx_attr_interfmode_show(struct device *dev,
char *buf)
{
struct bcm43xx_private *bcm = dev_to_bcm(dev);
- int err;
ssize_t count = 0;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- bcm43xx_lock_noirq(bcm);
+ mutex_lock(&bcm->mutex);
switch (bcm43xx_current_radio(bcm)->interfmode) {
case BCM43xx_RADIO_INTERFMODE_NONE:
@@ -191,11 +196,10 @@ static ssize_t bcm43xx_attr_interfmode_show(struct device *dev,
default:
assert(0);
}
- err = 0;
- bcm43xx_unlock_noirq(bcm);
+ mutex_unlock(&bcm->mutex);
- return err ? err : count;
+ return count;
}
@@ -229,7 +233,8 @@ static ssize_t bcm43xx_attr_interfmode_store(struct device *dev,
return -EINVAL;
}
- bcm43xx_lock_irqsafe(bcm, flags);
+ mutex_lock(&bcm->mutex);
+ spin_lock_irqsave(&bcm->irq_lock, flags);
err = bcm43xx_radio_set_interference_mitigation(bcm, mode);
if (err) {
@@ -237,7 +242,8 @@ static ssize_t bcm43xx_attr_interfmode_store(struct device *dev,
"supported by device\n");
}
mmiowb();
- bcm43xx_unlock_irqsafe(bcm, flags);
+ spin_unlock_irqrestore(&bcm->irq_lock, flags);
+ mutex_unlock(&bcm->mutex);
return err ? err : count;
}
@@ -251,23 +257,21 @@ static ssize_t bcm43xx_attr_preamble_show(struct device *dev,
char *buf)
{
struct bcm43xx_private *bcm = dev_to_bcm(dev);
- int err;
ssize_t count;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- bcm43xx_lock_noirq(bcm);
+ mutex_lock(&bcm->mutex);
if (bcm->short_preamble)
count = snprintf(buf, PAGE_SIZE, "1 (Short Preamble enabled)\n");
else
count = snprintf(buf, PAGE_SIZE, "0 (Short Preamble disabled)\n");
- err = 0;
- bcm43xx_unlock_noirq(bcm);
+ mutex_unlock(&bcm->mutex);
- return err ? err : count;
+ return count;
}
static ssize_t bcm43xx_attr_preamble_store(struct device *dev,
@@ -276,7 +280,6 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev,
{
struct bcm43xx_private *bcm = dev_to_bcm(dev);
unsigned long flags;
- int err;
int value;
if (!capable(CAP_NET_ADMIN))
@@ -285,20 +288,141 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev,
value = get_boolean(buf, count);
if (value < 0)
return value;
- bcm43xx_lock_irqsafe(bcm, flags);
+ mutex_lock(&bcm->mutex);
+ spin_lock_irqsave(&bcm->irq_lock, flags);
bcm->short_preamble = !!value;
- err = 0;
- bcm43xx_unlock_irqsafe(bcm, flags);
+ spin_unlock_irqrestore(&bcm->irq_lock, flags);
+ mutex_unlock(&bcm->mutex);
- return err ? err : count;
+ return count;
}
static DEVICE_ATTR(shortpreamble, 0644,
bcm43xx_attr_preamble_show,
bcm43xx_attr_preamble_store);
+static ssize_t bcm43xx_attr_phymode_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
+ int phytype;
+ int err = -EINVAL;
+
+ if (count < 1)
+ goto out;
+ switch (buf[0]) {
+ case 'a': case 'A':
+ phytype = BCM43xx_PHYTYPE_A;
+ break;
+ case 'b': case 'B':
+ phytype = BCM43xx_PHYTYPE_B;
+ break;
+ case 'g': case 'G':
+ phytype = BCM43xx_PHYTYPE_G;
+ break;
+ default:
+ goto out;
+ }
+
+ bcm43xx_periodic_tasks_delete(bcm);
+ mutex_lock(&(bcm)->mutex);
+ err = bcm43xx_select_wireless_core(bcm, phytype);
+ if (!err)
+ bcm43xx_periodic_tasks_setup(bcm);
+ mutex_unlock(&(bcm)->mutex);
+ if (err == -ESRCH)
+ err = -ENODEV;
+
+out:
+ return err ? err : count;
+}
+
+static ssize_t bcm43xx_attr_phymode_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
+ ssize_t count = 0;
+
+ mutex_lock(&(bcm)->mutex);
+ switch (bcm43xx_current_phy(bcm)->type) {
+ case BCM43xx_PHYTYPE_A:
+ snprintf(buf, PAGE_SIZE, "A");
+ break;
+ case BCM43xx_PHYTYPE_B:
+ snprintf(buf, PAGE_SIZE, "B");
+ break;
+ case BCM43xx_PHYTYPE_G:
+ snprintf(buf, PAGE_SIZE, "G");
+ break;
+ default:
+ assert(0);
+ }
+ mutex_unlock(&(bcm)->mutex);
+
+ return count;
+}
+
+static DEVICE_ATTR(phymode, 0644,
+ bcm43xx_attr_phymode_show,
+ bcm43xx_attr_phymode_store);
+
+static ssize_t bcm43xx_attr_microcode_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ unsigned long flags;
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
+ ssize_t count = 0;
+ u16 status;
+
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ mutex_lock(&(bcm)->mutex);
+ spin_lock_irqsave(&bcm->irq_lock, flags);
+ status = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
+ BCM43xx_UCODE_STATUS);
+
+ spin_unlock_irqrestore(&bcm->irq_lock, flags);
+ mutex_unlock(&(bcm)->mutex);
+ switch (status) {
+ case 0x0000:
+ count = snprintf(buf, PAGE_SIZE, "0x%.4x (invalid)\n",
+ status);
+ break;
+ case 0x0001:
+ count = snprintf(buf, PAGE_SIZE, "0x%.4x (init)\n",
+ status);
+ break;
+ case 0x0002:
+ count = snprintf(buf, PAGE_SIZE, "0x%.4x (active)\n",
+ status);
+ break;
+ case 0x0003:
+ count = snprintf(buf, PAGE_SIZE, "0x%.4x (suspended)\n",
+ status);
+ break;
+ case 0x0004:
+ count = snprintf(buf, PAGE_SIZE, "0x%.4x (asleep)\n",
+ status);
+ break;
+ default:
+ count = snprintf(buf, PAGE_SIZE, "0x%.4x (unknown)\n",
+ status);
+ break;
+ }
+
+ return count;
+}
+
+static DEVICE_ATTR(microcodestatus, 0444,
+ bcm43xx_attr_microcode_show,
+ NULL);
+
int bcm43xx_sysfs_register(struct bcm43xx_private *bcm)
{
struct device *dev = &bcm->pci_dev->dev;
@@ -315,9 +439,19 @@ int bcm43xx_sysfs_register(struct bcm43xx_private *bcm)
err = device_create_file(dev, &dev_attr_shortpreamble);
if (err)
goto err_remove_interfmode;
+ err = device_create_file(dev, &dev_attr_phymode);
+ if (err)
+ goto err_remove_shortpreamble;
+ err = device_create_file(dev, &dev_attr_microcodestatus);
+ if (err)
+ goto err_remove_phymode;
out:
return err;
+err_remove_phymode:
+ device_remove_file(dev, &dev_attr_phymode);
+err_remove_shortpreamble:
+ device_remove_file(dev, &dev_attr_shortpreamble);
err_remove_interfmode:
device_remove_file(dev, &dev_attr_interference);
err_remove_sprom:
@@ -329,6 +463,8 @@ void bcm43xx_sysfs_unregister(struct bcm43xx_private *bcm)
{
struct device *dev = &bcm->pci_dev->dev;
+ device_remove_file(dev, &dev_attr_microcodestatus);
+ device_remove_file(dev, &dev_attr_phymode);
device_remove_file(dev, &dev_attr_shortpreamble);
device_remove_file(dev, &dev_attr_interference);
device_remove_file(dev, &dev_attr_sprom);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 20:25:55 +0000