@@ -107,3 +107,4 @@ obj-$(CONFIG_SSB) += ssb/
obj-$(CONFIG_VIRTIO) += virtio/
obj-$(CONFIG_STAGING) += staging/
obj-y += platform/
+obj-y += ieee802154/
new file mode 100644
@@ -0,0 +1,23 @@
+menuconfig IEEE802154_DRIVERS
+ bool "IEEE 802.15.4 drivers"
+ depends on NETDEVICES && IEEE802154
+ default y
+ ---help---
+ Say Y here to get to see options for IEEE 802.15.4 Low-Rate
+ Wireless Personal Area Network device drivers. This option alone
+ does not add any kernel code.
+
+ If you say N, all options in this submenu will be skipped and disabled.
+
+if IEEE802154_DRIVERS && NETDEVICES && IEEE802154
+config IEEE802154_FAKELB
+ tristate "Fake LR-WPAN driver with several interconnected devices"
+ ---help---
+ Say Y here to enable the fake driver that can emulate a net
+ of several interconnected radio devices.
+
+ This driver can also be built as a module. To do so say M here.
+ The module will be called 'fakelb'.
+
+endif
+
new file mode 100644
@@ -0,0 +1,3 @@
+obj-$(CONFIG_IEEE802154_FAKELB) += fakelb.o
+
+EXTRA_CFLAGS += -DDEBUG -DCONFIG_FFD
new file mode 100644
@@ -0,0 +1,335 @@
+/*
+ * Loopback IEEE 802.15.4 interface
+ *
+ * Copyright 2007, 2008 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Sergey Lapin <sergey.lapin@siemens.com>
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/timer.h>
+#include <linux/platform_device.h>
+#include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/spinlock.h>
+#include <net/ieee802154/dev.h>
+
+struct fake_dev_priv {
+ struct ieee802154_dev *dev;
+ phy_status_t cur_state, pend_state;
+
+ struct list_head list;
+ struct fake_priv *fake;
+};
+
+struct fake_priv {
+ struct list_head list;
+ rwlock_t lock;
+};
+
+static int is_transmitting(struct ieee802154_dev *dev)
+{
+ return 0;
+}
+
+static int is_receiving(struct ieee802154_dev *dev)
+{
+ return 0;
+}
+
+static phy_status_t
+hw_ed(struct ieee802154_dev *dev, u8 *level)
+{
+ pr_debug("%s\n", __func__);
+ might_sleep();
+ BUG_ON(!level);
+ *level = 0xbe;
+ return PHY_SUCCESS;
+}
+
+static phy_status_t
+hw_cca(struct ieee802154_dev *dev)
+{
+ pr_debug("%s\n", __func__);
+ might_sleep();
+ return PHY_IDLE;
+}
+
+static phy_status_t
+hw_state(struct ieee802154_dev *dev, phy_status_t state)
+{
+ struct fake_dev_priv *priv = dev->priv;
+ pr_debug("%s %d %d\n", __func__, priv->cur_state, state);
+ might_sleep();
+ if (state != PHY_TRX_OFF && state != PHY_RX_ON && state != PHY_TX_ON && state != PHY_FORCE_TRX_OFF)
+ return PHY_INVAL;
+ else if (state == PHY_FORCE_TRX_OFF) {
+ priv->cur_state = PHY_TRX_OFF;
+ return PHY_SUCCESS;
+ } else if (priv->cur_state == state)
+ return state;
+ else if ((state == PHY_TRX_OFF || state == PHY_RX_ON) && is_transmitting(dev)) {
+ priv->pend_state = state;
+ return PHY_BUSY_TX;
+ } else if ((state == PHY_TRX_OFF || state == PHY_TX_ON) && is_receiving(dev)) {
+ priv->pend_state = state;
+ return PHY_BUSY_RX;
+ } else {
+ priv->cur_state = state;
+ return PHY_SUCCESS;
+ }
+}
+
+static phy_status_t
+hw_channel(struct ieee802154_dev *dev, int channel)
+{
+ pr_debug("%s %d\n", __func__, channel);
+ might_sleep();
+ dev->current_channel = channel;
+ return PHY_SUCCESS;
+}
+
+static void
+hw_deliver(struct fake_dev_priv *priv, struct sk_buff *skb)
+{
+ struct sk_buff *newskb;
+
+ newskb = pskb_copy(skb, GFP_ATOMIC);
+
+ ieee802154_rx_irqsafe(priv->dev, newskb, 0xcc);
+}
+
+static int
+hw_tx(struct ieee802154_dev *dev, struct sk_buff *skb)
+{
+ struct fake_dev_priv *priv = dev->priv;
+ struct fake_priv *fake = priv->fake;
+
+ might_sleep();
+
+ read_lock_bh(&fake->lock);
+ if (priv->list.next == priv->list.prev) {
+ /* we are the only one device */
+ hw_deliver(priv, skb);
+ } else {
+ struct fake_dev_priv *dp;
+ list_for_each_entry(dp, &priv->fake->list, list)
+ if (dp != priv && dp->dev->current_channel == priv->dev->current_channel)
+ hw_deliver(dp, skb);
+ }
+ read_unlock_bh(&fake->lock);
+
+ return PHY_SUCCESS;
+}
+
+static struct ieee802154_ops fake_ops = {
+ .owner = THIS_MODULE,
+ .tx = hw_tx,
+ .ed = hw_ed,
+ .cca = hw_cca,
+ .set_trx_state = hw_state,
+ .set_channel = hw_channel,
+};
+
+static int ieee802154fake_add_priv(struct device *dev, struct fake_priv *fake, const u8 *macaddr)
+{
+ struct fake_dev_priv *priv;
+ int err = -ENOMEM;
+
+ priv = kzalloc(sizeof(struct fake_dev_priv), GFP_KERNEL);
+ if (!priv)
+ goto err_alloc;
+
+ INIT_LIST_HEAD(&priv->list);
+
+ priv->dev = ieee802154_alloc_device();
+ if (!priv->dev)
+ goto err_alloc_dev;
+ priv->dev->name = "IEEE 802.15.4 fake";
+ priv->dev->priv = priv;
+ priv->dev->parent = dev;
+ priv->fake = fake;
+
+ err = ieee802154_register_device(priv->dev, &fake_ops);
+ if (err)
+ goto err_reg;
+ rtnl_lock();
+ err = ieee802154_add_slave(priv->dev, macaddr);
+ rtnl_unlock();
+ if (err < 0)
+ goto err_slave;
+
+ write_lock_bh(&fake->lock);
+ list_add_tail(&priv->list, &fake->list);
+ write_unlock_bh(&fake->lock);
+
+ return 0;
+
+err_slave:
+ ieee802154_unregister_device(priv->dev);
+err_reg:
+ ieee802154_free_device(priv->dev);
+err_alloc_dev:
+ kfree(priv);
+err_alloc:
+ return err;
+}
+
+static void ieee802154fake_del_priv(struct fake_dev_priv *priv)
+{
+ write_lock_bh(&priv->fake->lock);
+ list_del(&priv->list);
+ write_unlock_bh(&priv->fake->lock);
+
+ ieee802154_unregister_device(priv->dev);
+ ieee802154_free_device(priv->dev);
+ kfree(priv);
+}
+
+static ssize_t
+adddev_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t n)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct fake_priv *priv = platform_get_drvdata(pdev);
+ char hw[8] = {};
+ int i, j, ch, err;
+
+ for (i = 0, j = 0; i < 16 && j < n; j++) {
+ ch = buf[j];
+ switch (buf[j]) {
+ default:
+ return -EINVAL;
+ case '0'...'9':
+ ch -= '0';
+ break;
+ case 'A'...'F':
+ ch -= 'A' - 10;
+ break;
+ case 'a'...'f':
+ ch -= 'a' - 10;
+ break;
+ case ':':
+ case '.':
+ continue;
+ }
+ if (i % 2)
+ hw[i/2] = (hw[i/2] & 0xf0) | ch;
+ else
+ hw[i/2] = ch << 4;
+ i++;
+ }
+ if (i != 16)
+ return -EINVAL;
+ err = ieee802154fake_add_priv(dev, priv, hw);
+ if (err)
+ return err;
+ return n;
+}
+
+static DEVICE_ATTR(adddev, 0200, NULL, adddev_store);
+
+static struct attribute *fake_attrs[] = {
+ &dev_attr_adddev.attr,
+ NULL,
+};
+
+static struct attribute_group fake_group = {
+ .name = NULL /* fake */,
+ .attrs = fake_attrs,
+};
+
+
+static int __devinit ieee802154fake_probe(struct platform_device *pdev)
+{
+ struct fake_priv *priv;
+ struct fake_dev_priv *dp;
+
+ int err = -ENOMEM;
+ priv = kzalloc(sizeof(struct fake_priv), GFP_KERNEL);
+ if (!priv)
+ goto err_alloc;
+
+ INIT_LIST_HEAD(&priv->list);
+ rwlock_init(&priv->lock);
+
+ err = sysfs_create_group(&pdev->dev.kobj, &fake_group);
+ if (err)
+ goto err_grp;
+
+ err = ieee802154fake_add_priv(&pdev->dev, priv, "\xde\xad\xbe\xaf\xca\xfe\xba\xbe");
+ if (err < 0)
+ goto err_slave;
+
+/* err = ieee802154fake_add_priv(priv, "\x67\x45\x23\x01\x67\x45\x23\x01");
+ if (err < 0)
+ goto err_slave;*/
+
+ platform_set_drvdata(pdev, priv);
+ dev_info(&pdev->dev, "Added ieee802154 hardware\n");
+ return 0;
+
+err_slave:
+ list_for_each_entry(dp, &priv->list, list)
+ ieee802154fake_del_priv(dp);
+ sysfs_remove_group(&pdev->dev.kobj, &fake_group);
+err_grp:
+ kfree(priv);
+err_alloc:
+ return err;
+}
+
+static int __devexit ieee802154fake_remove(struct platform_device *pdev)
+{
+ struct fake_priv *priv = platform_get_drvdata(pdev);
+ struct fake_dev_priv *dp, *temp;
+
+ list_for_each_entry_safe(dp, temp, &priv->list, list)
+ ieee802154fake_del_priv(dp);
+ sysfs_remove_group(&pdev->dev.kobj, &fake_group);
+ kfree(priv);
+ return 0;
+}
+
+static struct platform_device *ieee802154fake_dev;
+
+static struct platform_driver ieee802154fake_driver = {
+ .probe = ieee802154fake_probe,
+ .remove = __devexit_p(ieee802154fake_remove),
+ .driver = {
+ .name = "ieee802154fakelb",
+ .owner = THIS_MODULE,
+ },
+};
+
+static __init int fake_init(void)
+{
+ ieee802154fake_dev = platform_device_register_simple("ieee802154fakelb", -1, NULL, 0);
+ return platform_driver_register(&ieee802154fake_driver);
+}
+
+static __exit void fake_exit(void)
+{
+ platform_driver_unregister(&ieee802154fake_driver);
+ platform_device_unregister(ieee802154fake_dev);
+}
+
+module_init(fake_init);
+module_exit(fake_exit);
+MODULE_LICENSE("GPL");
+
@@ -2704,6 +2704,8 @@ source "drivers/net/wan/Kconfig"
source "drivers/atm/Kconfig"
+source "drivers/ieee802154/Kconfig"
+
source "drivers/s390/net/Kconfig"
config XEN_NETDEV_FRONTEND