From 81f9510381ee43205564063f2e8650672b11d453 Mon Sep 17 00:00:00 2001 From: Dmitry Eremin-Solenikov Date: Wed, 19 Aug 2009 18:56:57 +0400 Subject: [PATCH] fakehard: add binding to wpan-phy device Make fakehard create and maintain wpan-phy node, thus representing it's phy in the sysfs. Signed-off-by: Dmitry Eremin-Solenikov --- drivers/ieee802154/fakehard.c | 52 +++++++++++++++++++++++++++++++---- 1 file changed, 46 insertions(+), 6 deletions(-) diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c index 262536fae905..22a93bc764c5 100644 --- a/drivers/ieee802154/fakehard.c +++ b/drivers/ieee802154/fakehard.c @@ -30,6 +30,12 @@ #include #include #include +#include + +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; }