ieee802154: move wpan-class.c to core.c
authorAlexander Aring <alex.aring@gmail.com>
Sat, 25 Oct 2014 07:41:03 +0000 (09:41 +0200)
committerMarcel Holtmann <marcel@holtmann.org>
Sat, 25 Oct 2014 19:39:56 +0000 (21:39 +0200)
Like the wireless core.c file this file contains function for phy
allocation and freeing. Move this file to core.c to get similar
behaviour.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
net/ieee802154/Makefile
net/ieee802154/core.c [new file with mode: 0644]
net/ieee802154/wpan-class.c [deleted file]

index 3914b1ed42743c50aaa4fe0a40927133cf25dae1..e58c4cbb3639de8750ce85a2d8f4af1a33136b93 100644 (file)
@@ -2,7 +2,7 @@ obj-$(CONFIG_IEEE802154) += ieee802154.o af_802154.o
 obj-$(CONFIG_IEEE802154_6LOWPAN) += ieee802154_6lowpan.o
 
 ieee802154_6lowpan-y := 6lowpan_rtnl.o reassembly.o
-ieee802154-y := netlink.o nl-mac.o nl-phy.o nl_policy.o wpan-class.o \
+ieee802154-y := netlink.o nl-mac.o nl-phy.o nl_policy.o core.o \
                 header_ops.o
 af_802154-y := af_ieee802154.o raw.o dgram.o
 
diff --git a/net/ieee802154/core.c b/net/ieee802154/core.c
new file mode 100644 (file)
index 0000000..760b7d7
--- /dev/null
@@ -0,0 +1,226 @@
+/*
+ * Copyright (C) 2007, 2008, 2009 Siemens AG
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/device.h>
+
+#include <net/cfg802154.h>
+
+#include "ieee802154.h"
+
+#define MASTER_SHOW_COMPLEX(name, format_string, args...)              \
+static ssize_t name ## _show(struct device *dev,                       \
+                           struct device_attribute *attr, char *buf)   \
+{                                                                      \
+       struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev); \
+       int ret;                                                        \
+                                                                       \
+       mutex_lock(&phy->pib_lock);                                     \
+       ret = snprintf(buf, PAGE_SIZE, format_string "\n", args);       \
+       mutex_unlock(&phy->pib_lock);                                   \
+       return ret;                                                     \
+}                                                                      \
+static DEVICE_ATTR_RO(name)
+
+#define MASTER_SHOW(field, format_string)                              \
+       MASTER_SHOW_COMPLEX(field, format_string, phy->field)
+
+MASTER_SHOW(current_channel, "%d");
+MASTER_SHOW(current_page, "%d");
+MASTER_SHOW(transmit_power, "%d +- 1 dB");
+MASTER_SHOW(cca_mode, "%d");
+
+static ssize_t channels_supported_show(struct device *dev,
+                                      struct device_attribute *attr,
+                                      char *buf)
+{
+       struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
+       int ret;
+       int i, len = 0;
+
+       mutex_lock(&phy->pib_lock);
+       for (i = 0; i < 32; i++) {
+               ret = snprintf(buf + len, PAGE_SIZE - len,
+                              "%#09x\n", phy->channels_supported[i]);
+               if (ret < 0)
+                       break;
+               len += ret;
+       }
+       mutex_unlock(&phy->pib_lock);
+       return len;
+}
+static DEVICE_ATTR_RO(channels_supported);
+
+static struct attribute *pmib_attrs[] = {
+       &dev_attr_current_channel.attr,
+       &dev_attr_current_page.attr,
+       &dev_attr_channels_supported.attr,
+       &dev_attr_transmit_power.attr,
+       &dev_attr_cca_mode.attr,
+       NULL,
+};
+ATTRIBUTE_GROUPS(pmib);
+
+static void wpan_phy_release(struct device *d)
+{
+       struct wpan_phy *phy = container_of(d, struct wpan_phy, dev);
+
+       kfree(phy);
+}
+
+static struct class wpan_phy_class = {
+       .name = "ieee802154",
+       .dev_release = wpan_phy_release,
+       .dev_groups = pmib_groups,
+};
+
+static DEFINE_MUTEX(wpan_phy_mutex);
+static int wpan_phy_idx;
+
+static int wpan_phy_match(struct device *dev, const void *data)
+{
+       return !strcmp(dev_name(dev), (const char *)data);
+}
+
+struct wpan_phy *wpan_phy_find(const char *str)
+{
+       struct device *dev;
+
+       if (WARN_ON(!str))
+               return NULL;
+
+       dev = class_find_device(&wpan_phy_class, NULL, str, wpan_phy_match);
+       if (!dev)
+               return NULL;
+
+       return container_of(dev, struct wpan_phy, dev);
+}
+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;
+}
+
+struct wpan_phy *wpan_phy_alloc(size_t priv_size)
+{
+       struct wpan_phy *phy = kzalloc(sizeof(*phy) + priv_size,
+                       GFP_KERNEL);
+
+       if (!phy)
+               goto out;
+       mutex_lock(&wpan_phy_mutex);
+       phy->idx = wpan_phy_idx++;
+       if (unlikely(!wpan_phy_idx_valid(phy->idx))) {
+               wpan_phy_idx--;
+               mutex_unlock(&wpan_phy_mutex);
+               kfree(phy);
+               goto out;
+       }
+       mutex_unlock(&wpan_phy_mutex);
+
+       mutex_init(&phy->pib_lock);
+
+       device_initialize(&phy->dev);
+       dev_set_name(&phy->dev, "wpan-phy%d", phy->idx);
+
+       phy->dev.class = &wpan_phy_class;
+
+       phy->current_channel = -1; /* not initialised */
+       phy->current_page = 0; /* for compatibility */
+
+       return phy;
+
+out:
+       return NULL;
+}
+EXPORT_SYMBOL(wpan_phy_alloc);
+
+int wpan_phy_register(struct wpan_phy *phy)
+{
+       return device_add(&phy->dev);
+}
+EXPORT_SYMBOL(wpan_phy_register);
+
+void wpan_phy_unregister(struct wpan_phy *phy)
+{
+       device_del(&phy->dev);
+}
+EXPORT_SYMBOL(wpan_phy_unregister);
+
+void wpan_phy_free(struct wpan_phy *phy)
+{
+       put_device(&phy->dev);
+}
+EXPORT_SYMBOL(wpan_phy_free);
+
+static int __init wpan_phy_class_init(void)
+{
+       int rc;
+
+       rc = class_register(&wpan_phy_class);
+       if (rc)
+               goto err;
+
+       rc = ieee802154_nl_init();
+       if (rc)
+               goto err_nl;
+
+       return 0;
+err_nl:
+       class_unregister(&wpan_phy_class);
+err:
+       return rc;
+}
+subsys_initcall(wpan_phy_class_init);
+
+static void __exit wpan_phy_class_exit(void)
+{
+       ieee802154_nl_exit();
+       class_unregister(&wpan_phy_class);
+}
+module_exit(wpan_phy_class_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("IEEE 802.15.4 configuration interface");
+MODULE_AUTHOR("Dmitry Eremin-Solenikov");
+
diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
deleted file mode 100644 (file)
index 760b7d7..0000000
+++ /dev/null
@@ -1,226 +0,0 @@
-/*
- * Copyright (C) 2007, 2008, 2009 Siemens AG
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/device.h>
-
-#include <net/cfg802154.h>
-
-#include "ieee802154.h"
-
-#define MASTER_SHOW_COMPLEX(name, format_string, args...)              \
-static ssize_t name ## _show(struct device *dev,                       \
-                           struct device_attribute *attr, char *buf)   \
-{                                                                      \
-       struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev); \
-       int ret;                                                        \
-                                                                       \
-       mutex_lock(&phy->pib_lock);                                     \
-       ret = snprintf(buf, PAGE_SIZE, format_string "\n", args);       \
-       mutex_unlock(&phy->pib_lock);                                   \
-       return ret;                                                     \
-}                                                                      \
-static DEVICE_ATTR_RO(name)
-
-#define MASTER_SHOW(field, format_string)                              \
-       MASTER_SHOW_COMPLEX(field, format_string, phy->field)
-
-MASTER_SHOW(current_channel, "%d");
-MASTER_SHOW(current_page, "%d");
-MASTER_SHOW(transmit_power, "%d +- 1 dB");
-MASTER_SHOW(cca_mode, "%d");
-
-static ssize_t channels_supported_show(struct device *dev,
-                                      struct device_attribute *attr,
-                                      char *buf)
-{
-       struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
-       int ret;
-       int i, len = 0;
-
-       mutex_lock(&phy->pib_lock);
-       for (i = 0; i < 32; i++) {
-               ret = snprintf(buf + len, PAGE_SIZE - len,
-                              "%#09x\n", phy->channels_supported[i]);
-               if (ret < 0)
-                       break;
-               len += ret;
-       }
-       mutex_unlock(&phy->pib_lock);
-       return len;
-}
-static DEVICE_ATTR_RO(channels_supported);
-
-static struct attribute *pmib_attrs[] = {
-       &dev_attr_current_channel.attr,
-       &dev_attr_current_page.attr,
-       &dev_attr_channels_supported.attr,
-       &dev_attr_transmit_power.attr,
-       &dev_attr_cca_mode.attr,
-       NULL,
-};
-ATTRIBUTE_GROUPS(pmib);
-
-static void wpan_phy_release(struct device *d)
-{
-       struct wpan_phy *phy = container_of(d, struct wpan_phy, dev);
-
-       kfree(phy);
-}
-
-static struct class wpan_phy_class = {
-       .name = "ieee802154",
-       .dev_release = wpan_phy_release,
-       .dev_groups = pmib_groups,
-};
-
-static DEFINE_MUTEX(wpan_phy_mutex);
-static int wpan_phy_idx;
-
-static int wpan_phy_match(struct device *dev, const void *data)
-{
-       return !strcmp(dev_name(dev), (const char *)data);
-}
-
-struct wpan_phy *wpan_phy_find(const char *str)
-{
-       struct device *dev;
-
-       if (WARN_ON(!str))
-               return NULL;
-
-       dev = class_find_device(&wpan_phy_class, NULL, str, wpan_phy_match);
-       if (!dev)
-               return NULL;
-
-       return container_of(dev, struct wpan_phy, dev);
-}
-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;
-}
-
-struct wpan_phy *wpan_phy_alloc(size_t priv_size)
-{
-       struct wpan_phy *phy = kzalloc(sizeof(*phy) + priv_size,
-                       GFP_KERNEL);
-
-       if (!phy)
-               goto out;
-       mutex_lock(&wpan_phy_mutex);
-       phy->idx = wpan_phy_idx++;
-       if (unlikely(!wpan_phy_idx_valid(phy->idx))) {
-               wpan_phy_idx--;
-               mutex_unlock(&wpan_phy_mutex);
-               kfree(phy);
-               goto out;
-       }
-       mutex_unlock(&wpan_phy_mutex);
-
-       mutex_init(&phy->pib_lock);
-
-       device_initialize(&phy->dev);
-       dev_set_name(&phy->dev, "wpan-phy%d", phy->idx);
-
-       phy->dev.class = &wpan_phy_class;
-
-       phy->current_channel = -1; /* not initialised */
-       phy->current_page = 0; /* for compatibility */
-
-       return phy;
-
-out:
-       return NULL;
-}
-EXPORT_SYMBOL(wpan_phy_alloc);
-
-int wpan_phy_register(struct wpan_phy *phy)
-{
-       return device_add(&phy->dev);
-}
-EXPORT_SYMBOL(wpan_phy_register);
-
-void wpan_phy_unregister(struct wpan_phy *phy)
-{
-       device_del(&phy->dev);
-}
-EXPORT_SYMBOL(wpan_phy_unregister);
-
-void wpan_phy_free(struct wpan_phy *phy)
-{
-       put_device(&phy->dev);
-}
-EXPORT_SYMBOL(wpan_phy_free);
-
-static int __init wpan_phy_class_init(void)
-{
-       int rc;
-
-       rc = class_register(&wpan_phy_class);
-       if (rc)
-               goto err;
-
-       rc = ieee802154_nl_init();
-       if (rc)
-               goto err_nl;
-
-       return 0;
-err_nl:
-       class_unregister(&wpan_phy_class);
-err:
-       return rc;
-}
-subsys_initcall(wpan_phy_class_init);
-
-static void __exit wpan_phy_class_exit(void)
-{
-       ieee802154_nl_exit();
-       class_unregister(&wpan_phy_class);
-}
-module_exit(wpan_phy_class_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("IEEE 802.15.4 configuration interface");
-MODULE_AUTHOR("Dmitry Eremin-Solenikov");
-
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