diff options
Diffstat (limited to 'drivers/ieee802154/fakehard.c')
| -rw-r--r-- | drivers/ieee802154/fakehard.c | 59 |
1 files changed, 47 insertions, 12 deletions
diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c index 7c544f7c74c4..d9d0e13efe47 100644 --- a/drivers/ieee802154/fakehard.c +++ b/drivers/ieee802154/fakehard.c @@ -32,9 +32,29 @@ #include <net/nl802154.h> #include <net/wpan-phy.h> -struct wpan_phy *net_to_phy(struct net_device *dev) +struct fakehard_priv { + struct wpan_phy *phy; +}; + +static struct wpan_phy *fake_to_phy(const struct net_device *dev) { - return container_of(dev->dev.parent, struct wpan_phy, dev); + struct fakehard_priv *priv = netdev_priv(dev); + return priv->phy; +} + +/** + * fake_get_phy - Return a phy corresponding to this device. + * @dev: The network device for which to return the wan-phy object + * + * This function returns a wpan-phy object corresponding to the passed + * network device. Reference counter for wpan-phy object is incremented, + * so when the wpan-phy isn't necessary, you should drop the reference + * via @wpan_phy_put() call. + */ +static struct wpan_phy *fake_get_phy(const struct net_device *dev) +{ + struct wpan_phy *phy = fake_to_phy(dev); + return to_phy(get_device(&phy->dev)); } /** @@ -43,7 +63,7 @@ struct wpan_phy *net_to_phy(struct net_device *dev) * * Return the ID of the PAN from the PIB. */ -static u16 fake_get_pan_id(struct net_device *dev) +static u16 fake_get_pan_id(const struct net_device *dev) { BUG_ON(dev->type != ARPHRD_IEEE802154); @@ -58,7 +78,7 @@ static u16 fake_get_pan_id(struct net_device *dev) * device. If the device has not yet had a short address assigned * then this should return 0xFFFF to indicate a lack of association. */ -static u16 fake_get_short_addr(struct net_device *dev) +static u16 fake_get_short_addr(const struct net_device *dev) { BUG_ON(dev->type != ARPHRD_IEEE802154); @@ -78,7 +98,7 @@ static u16 fake_get_short_addr(struct net_device *dev) * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006 * document. */ -static u8 fake_get_dsn(struct net_device *dev) +static u8 fake_get_dsn(const struct net_device *dev) { BUG_ON(dev->type != ARPHRD_IEEE802154); @@ -98,7 +118,7 @@ static u8 fake_get_dsn(struct net_device *dev) * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006 * document. */ -static u8 fake_get_bsn(struct net_device *dev) +static u8 fake_get_bsn(const struct net_device *dev) { BUG_ON(dev->type != ARPHRD_IEEE802154); @@ -121,7 +141,7 @@ 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 page, u8 cap) { - struct wpan_phy *phy = net_to_phy(dev); + struct wpan_phy *phy = fake_to_phy(dev); mutex_lock(&phy->pib_lock); phy->current_channel = channel; @@ -196,7 +216,7 @@ 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); + struct wpan_phy *phy = fake_to_phy(dev); mutex_lock(&phy->pib_lock); phy->current_channel = channel; @@ -239,6 +259,8 @@ static struct ieee802154_mlme_ops fake_mlme = { .start_req = fake_start_req, .scan_req = fake_scan_req, + .get_phy = fake_get_phy, + .get_pan_id = fake_get_pan_id, .get_short_addr = fake_get_short_addr, .get_dsn = fake_get_dsn, @@ -310,7 +332,7 @@ static const struct net_device_ops fake_ops = { static void ieee802154_fake_destruct(struct net_device *dev) { - struct wpan_phy *phy = net_to_phy(dev); + struct wpan_phy *phy = fake_to_phy(dev); wpan_phy_unregister(phy); free_netdev(dev); @@ -335,13 +357,14 @@ static void ieee802154_fake_setup(struct net_device *dev) static int __devinit ieee802154fake_probe(struct platform_device *pdev) { struct net_device *dev; + struct fakehard_priv *priv; struct wpan_phy *phy = wpan_phy_alloc(0); int err; if (!phy) return -ENOMEM; - dev = alloc_netdev(0, "hardwpan%d", ieee802154_fake_setup); + dev = alloc_netdev(sizeof(struct fakehard_priv), "hardwpan%d", ieee802154_fake_setup); if (!dev) { wpan_phy_free(phy); return -ENOMEM; @@ -353,12 +376,23 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev) dev->addr_len); memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - phy->channels_supported = (1 << 27) - 1; + /* + * For now we'd like to emulate 2.4 GHz-only device, + * both O-QPSK and CSS + */ + /* 2.4 GHz O-QPSK 802.15.4-2003 */ + phy->channels_supported[0] |= 0x7FFF800; + /* 2.4 GHz CSS 802.15.4a-2007 */ + phy->channels_supported[3] |= 0x3fff; + phy->transmit_power = 0xbf; dev->netdev_ops = &fake_ops; dev->ml_priv = &fake_mlme; + priv = netdev_priv(dev); + priv->phy = phy; + /* * If the name is a format string the caller wants us to do a * name allocation. @@ -369,11 +403,12 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev) goto out; } + wpan_phy_set_dev(phy, &pdev->dev); SET_NETDEV_DEV(dev, &phy->dev); platform_set_drvdata(pdev, dev); - err = wpan_phy_register(&pdev->dev, phy); + err = wpan_phy_register(phy); if (err) goto out; |