Add API to iterate over the wpan-phy instances.
Signed-off-by: Dmitry Eremin-Solenikov <[email protected]>
---
include/net/wpan-phy.h | 2 ++
net/ieee802154/wpan-class.c | 25 +++++++++++++++++++++++++
2 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index 5e803a0..3367dd9 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -48,6 +48,8 @@ struct wpan_phy *wpan_phy_alloc(size_t priv_size);
int wpan_phy_register(struct device *parent, struct wpan_phy *phy);
void wpan_phy_unregister(struct wpan_phy *phy);
void wpan_phy_free(struct wpan_phy *phy);
+/* Same semantics as for class_for_each_device */
+int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);
static inline void *wpan_phy_priv(struct wpan_phy *phy)
{
diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index f306604..0cec138 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -91,6 +91,31 @@ struct wpan_phy *wpan_phy_find(const char *str)
}
EXPORT_SYMBOL(wpan_phy_find);
+struct wpan_phy_iter_data {
+ int (*fn)(struct wpan_phy *phy, void *data);
+ void *data;
+};
+
+static int wpan_phy_iter(struct device *dev, void *_data)
+{
+ struct wpan_phy_iter_data *wpid = _data;
+ struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
+ return wpid->fn(phy, wpid->data);
+}
+
+int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data),
+ void *data)
+{
+ struct wpan_phy_iter_data wpid = {
+ .fn = fn,
+ .data = data,
+ };
+
+ return class_for_each_device(&wpan_phy_class, NULL,
+ &wpid, wpan_phy_iter);
+}
+EXPORT_SYMBOL(wpan_phy_for_each);
+
static int wpan_phy_idx_valid(int idx)
{
return idx >= 0;
--
1.6.3.3
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