fakehard: add binding to wpan-phy device
Dmitry Eremin-Solenikov [Wed, 19 Aug 2009 14:56:57 +0000 (18:56 +0400)]
Make fakehard create and maintain wpan-phy node, thus representing
it's phy in the sysfs.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>

drivers/ieee802154/fakehard.c

index 262536f..22a93bc 100644 (file)
 #include <net/ieee802154_netdev.h>
 #include <net/ieee802154.h>
 #include <net/nl802154.h>
+#include <net/wpan-phy.h>
+
+struct wpan_phy *net_to_phy(struct net_device *dev)
+{
+       return container_of(dev->dev.parent, struct wpan_phy, dev);
+}
 
 /**
  * fake_get_pan_id - Retrieve the PAN ID of the device.
@@ -115,6 +121,12 @@ static u8 fake_get_bsn(struct net_device *dev)
 static int fake_assoc_req(struct net_device *dev,
                struct ieee802154_addr *addr, u8 channel, u8 cap)
 {
+       struct wpan_phy *phy = net_to_phy(dev);
+
+       mutex_lock(&phy->pib_lock);
+       phy->current_channel = channel;
+       mutex_unlock(&phy->pib_lock);
+
        /* We simply emulate it here */
        return ieee802154_nl_assoc_confirm(dev, fake_get_short_addr(dev),
                        IEEE802154_SUCCESS);
@@ -183,6 +195,12 @@ static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr,
                                u8 bcn_ord, u8 sf_ord, u8 pan_coord, u8 blx,
                                u8 coord_realign)
 {
+       struct wpan_phy *phy = net_to_phy(dev);
+
+       mutex_lock(&phy->pib_lock);
+       phy->current_channel = channel;
+       mutex_unlock(&phy->pib_lock);
+
        /* We don't emulate beacons here at all, so START should fail */
        ieee802154_nl_start_confirm(dev, IEEE802154_INVALID_PARAMETER);
        return 0;
@@ -290,6 +308,14 @@ static const struct net_device_ops fake_ops = {
        .ndo_set_mac_address    = ieee802154_fake_mac_addr,
 };
 
+static void ieee802154_fake_destruct(struct net_device *dev)
+{
+       struct wpan_phy *phy = net_to_phy(dev);
+
+       wpan_phy_unregister(phy);
+       free_netdev(dev);
+       wpan_phy_free(phy);
+}
 
 static void ieee802154_fake_setup(struct net_device *dev)
 {
@@ -302,22 +328,34 @@ static void ieee802154_fake_setup(struct net_device *dev)
        dev->type               = ARPHRD_IEEE802154;
        dev->flags              = IFF_NOARP | IFF_BROADCAST;
        dev->watchdog_timeo     = 0;
+       dev->destructor         = ieee802154_fake_destruct;
 }
 
 
 static int __devinit ieee802154fake_probe(struct platform_device *pdev)
 {
-       struct net_device *dev =
-               alloc_netdev(0, "hardwpan%d", ieee802154_fake_setup);
+       struct net_device *dev;
+       struct wpan_phy *phy = wpan_phy_alloc(0);
        int err;
 
-       if (!dev)
+       if (!phy)
+               return -ENOMEM;
+
+       dev = alloc_netdev(0, "hardwpan%d", ieee802154_fake_setup);
+       if (!dev) {
+               wpan_phy_free(phy);
                return -ENOMEM;
+       }
+
+       phy->dev.platform_data = dev;
 
        memcpy(dev->dev_addr, "\xba\xbe\xca\xfe\xde\xad\xbe\xef",
                        dev->addr_len);
        memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
 
+       phy->channels_supported = (1 << 27) - 1;
+       phy->transmit_power = 0xbf;
+
        dev->netdev_ops = &fake_ops;
        dev->ml_priv = &fake_mlme;
 
@@ -331,15 +369,18 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev)
                        goto out;
        }
 
-       SET_NETDEV_DEV(dev, &pdev->dev);
+       SET_NETDEV_DEV(dev, &phy->dev);
 
        platform_set_drvdata(pdev, dev);
 
+       err = wpan_phy_register(&pdev->dev, phy);
+       if (err)
+               goto out;
+
        err = register_netdev(dev);
        if (err < 0)
                goto out;
 
-
        dev_info(&pdev->dev, "Added ieee802154 HardMAC hardware\n");
        return 0;
 
@@ -352,7 +393,6 @@ static int __devexit ieee802154fake_remove(struct platform_device *pdev)
 {
        struct net_device *dev = platform_get_drvdata(pdev);
        unregister_netdev(dev);
-       free_netdev(dev);
        return 0;
 }