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Diffstat (limited to 'net/rfkill')
-rw-r--r--net/rfkill/core.c53
1 files changed, 46 insertions, 7 deletions
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index a9fa86f6598..51875a0c5d4 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -629,6 +629,49 @@ static ssize_t rfkill_persistent_show(struct device *dev,
return sprintf(buf, "%d\n", rfkill->persistent);
}
+static ssize_t rfkill_hard_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct rfkill *rfkill = to_rfkill(dev);
+
+ return sprintf(buf, "%d\n", (rfkill->state & RFKILL_BLOCK_HW) ? 1 : 0 );
+}
+
+static ssize_t rfkill_soft_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct rfkill *rfkill = to_rfkill(dev);
+
+ return sprintf(buf, "%d\n", (rfkill->state & RFKILL_BLOCK_SW) ? 1 : 0 );
+}
+
+static ssize_t rfkill_soft_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct rfkill *rfkill = to_rfkill(dev);
+ unsigned long state;
+ int err;
+
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ err = strict_strtoul(buf, 0, &state);
+ if (err)
+ return err;
+
+ if (state > 1 )
+ return -EINVAL;
+
+ mutex_lock(&rfkill_global_mutex);
+ rfkill_set_block(rfkill, state);
+ mutex_unlock(&rfkill_global_mutex);
+
+ return err ?: count;
+}
+
static u8 user_state_from_blocked(unsigned long state)
{
if (state & RFKILL_BLOCK_HW)
@@ -644,14 +687,8 @@ static ssize_t rfkill_state_show(struct device *dev,
char *buf)
{
struct rfkill *rfkill = to_rfkill(dev);
- unsigned long flags;
- u32 state;
-
- spin_lock_irqsave(&rfkill->lock, flags);
- state = rfkill->state;
- spin_unlock_irqrestore(&rfkill->lock, flags);
- return sprintf(buf, "%d\n", user_state_from_blocked(state));
+ return sprintf(buf, "%d\n", user_state_from_blocked(rfkill->state));
}
static ssize_t rfkill_state_store(struct device *dev,
@@ -701,6 +738,8 @@ static struct device_attribute rfkill_dev_attrs[] = {
__ATTR(persistent, S_IRUGO, rfkill_persistent_show, NULL),
__ATTR(state, S_IRUGO|S_IWUSR, rfkill_state_show, rfkill_state_store),
__ATTR(claim, S_IRUGO|S_IWUSR, rfkill_claim_show, rfkill_claim_store),
+ __ATTR(soft, S_IRUGO|S_IWUSR, rfkill_soft_show, rfkill_soft_store),
+ __ATTR(hard, S_IRUGO, rfkill_hard_show, NULL),
__ATTR_NULL
};