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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.c115
1 files changed, 67 insertions, 48 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
index c44d890b949b..b438f48e891d 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
@@ -71,14 +71,46 @@ static int get_boolean(const char *buf, size_t count)
return -EINVAL;
}
+static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len)
+{
+ int i, pos = 0;
+
+ for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
+ pos += snprintf(buf + pos, buf_len - pos - 1,
+ "%04X", swab16(sprom[i]) & 0xFFFF);
+ }
+ pos += snprintf(buf + pos, buf_len - pos - 1, "\n");
+
+ return pos + 1;
+}
+
+static int hex2sprom(u16 *sprom, const char *dump, size_t len)
+{
+ char tmp[5] = { 0 };
+ int cnt = 0;
+ unsigned long parsed;
+
+ if (len < BCM43xx_SPROM_SIZE * sizeof(u16) * 2)
+ return -EINVAL;
+
+ while (cnt < BCM43xx_SPROM_SIZE) {
+ memcpy(tmp, dump, 4);
+ dump += 4;
+ parsed = simple_strtoul(tmp, NULL, 16);
+ sprom[cnt++] = swab16((u16)parsed);
+ }
+
+ return 0;
+}
+
static ssize_t bcm43xx_attr_sprom_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_sprom);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
u16 *sprom;
unsigned long flags;
- int i, err;
+ int err;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
@@ -91,55 +123,53 @@ static ssize_t bcm43xx_attr_sprom_show(struct device *dev,
bcm43xx_lock_mmio(bcm, flags);
assert(bcm->initialized);
err = bcm43xx_sprom_read(bcm, sprom);
- if (!err) {
- for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
- buf[i * 2] = sprom[i] & 0x00FF;
- buf[i * 2 + 1] = (sprom[i] & 0xFF00) >> 8;
- }
- }
+ if (!err)
+ err = sprom2hex(sprom, buf, PAGE_SIZE);
bcm43xx_unlock_mmio(bcm, flags);
kfree(sprom);
- return err ? err : BCM43xx_SPROM_SIZE * sizeof(u16);
+ return err;
}
static ssize_t bcm43xx_attr_sprom_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_sprom);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
u16 *sprom;
unsigned long flags;
- int i, err;
+ int err;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- if (count != BCM43xx_SPROM_SIZE * sizeof(u16))
- return -EINVAL;
sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom),
GFP_KERNEL);
if (!sprom)
return -ENOMEM;
- for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
- sprom[i] = buf[i * 2] & 0xFF;
- sprom[i] |= ((u16)(buf[i * 2 + 1] & 0xFF)) << 8;
- }
+ err = hex2sprom(sprom, buf, count);
+ if (err)
+ goto out_kfree;
bcm43xx_lock_mmio(bcm, flags);
assert(bcm->initialized);
err = bcm43xx_sprom_write(bcm, sprom);
bcm43xx_unlock_mmio(bcm, flags);
+out_kfree:
kfree(sprom);
return err ? err : count;
}
+static DEVICE_ATTR(sprom, 0600,
+ bcm43xx_attr_sprom_show,
+ bcm43xx_attr_sprom_store);
+
static ssize_t bcm43xx_attr_interfmode_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_interfmode);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
unsigned long flags;
int err;
ssize_t count = 0;
@@ -175,7 +205,7 @@ static ssize_t bcm43xx_attr_interfmode_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_interfmode);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
unsigned long flags;
int err;
int mode;
@@ -215,11 +245,15 @@ static ssize_t bcm43xx_attr_interfmode_store(struct device *dev,
return err ? err : count;
}
+static DEVICE_ATTR(interference, 0644,
+ bcm43xx_attr_interfmode_show,
+ bcm43xx_attr_interfmode_store);
+
static ssize_t bcm43xx_attr_preamble_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_preamble);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
unsigned long flags;
int err;
ssize_t count;
@@ -245,7 +279,7 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_preamble);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
unsigned long flags;
int err;
int value;
@@ -267,56 +301,41 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev,
return err ? err : count;
}
+static DEVICE_ATTR(shortpreamble, 0644,
+ bcm43xx_attr_preamble_show,
+ bcm43xx_attr_preamble_store);
+
int bcm43xx_sysfs_register(struct bcm43xx_private *bcm)
{
struct device *dev = &bcm->pci_dev->dev;
- struct bcm43xx_sysfs *sysfs = &bcm->sysfs;
int err;
assert(bcm->initialized);
- sysfs->attr_sprom.attr.name = "sprom";
- sysfs->attr_sprom.attr.owner = THIS_MODULE;
- sysfs->attr_sprom.attr.mode = 0600;
- sysfs->attr_sprom.show = bcm43xx_attr_sprom_show;
- sysfs->attr_sprom.store = bcm43xx_attr_sprom_store;
- err = device_create_file(dev, &sysfs->attr_sprom);
+ err = device_create_file(dev, &dev_attr_sprom);
if (err)
goto out;
-
- sysfs->attr_interfmode.attr.name = "interference";
- sysfs->attr_interfmode.attr.owner = THIS_MODULE;
- sysfs->attr_interfmode.attr.mode = 0600;
- sysfs->attr_interfmode.show = bcm43xx_attr_interfmode_show;
- sysfs->attr_interfmode.store = bcm43xx_attr_interfmode_store;
- err = device_create_file(dev, &sysfs->attr_interfmode);
+ err = device_create_file(dev, &dev_attr_interference);
if (err)
goto err_remove_sprom;
-
- sysfs->attr_preamble.attr.name = "shortpreamble";
- sysfs->attr_preamble.attr.owner = THIS_MODULE;
- sysfs->attr_preamble.attr.mode = 0600;
- sysfs->attr_preamble.show = bcm43xx_attr_preamble_show;
- sysfs->attr_preamble.store = bcm43xx_attr_preamble_store;
- err = device_create_file(dev, &sysfs->attr_preamble);
+ err = device_create_file(dev, &dev_attr_shortpreamble);
if (err)
goto err_remove_interfmode;
out:
return err;
err_remove_interfmode:
- device_remove_file(dev, &sysfs->attr_interfmode);
+ device_remove_file(dev, &dev_attr_interference);
err_remove_sprom:
- device_remove_file(dev, &sysfs->attr_sprom);
+ device_remove_file(dev, &dev_attr_sprom);
goto out;
}
void bcm43xx_sysfs_unregister(struct bcm43xx_private *bcm)
{
struct device *dev = &bcm->pci_dev->dev;
- struct bcm43xx_sysfs *sysfs = &bcm->sysfs;
- device_remove_file(dev, &sysfs->attr_preamble);
- device_remove_file(dev, &sysfs->attr_interfmode);
- device_remove_file(dev, &sysfs->attr_sprom);
+ 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 2024-12-11 22:49:39 +0000