#include <linux/skbuff.h>
#include <linux/if_arp.h>
-#include <net/ieee802154/af_ieee802154.h>
-#include <net/ieee802154/netdevice.h>
-#include <net/ieee802154/mac_def.h>
-#include <net/ieee802154/nl802154.h>
+#include <net/af_ieee802154.h>
+#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.
+ * @dev: The network device to retrieve the PAN of.
+ *
+ * Return the ID of the PAN from the PIB.
+ */
static u16 fake_get_pan_id(struct net_device *dev)
{
BUG_ON(dev->type != ARPHRD_IEEE802154);
return 0xeba1;
}
+/**
+ * fake_get_short_addr - Retrieve the short address of the device.
+ * @dev: The network device to retrieve the short address of.
+ *
+ * Returns the IEEE 802.15.4 short-form address cached for this
+ * 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)
{
BUG_ON(dev->type != ARPHRD_IEEE802154);
return 0x1;
}
+/**
+ * fake_get_dsn - Retrieve the DSN of the device.
+ * @dev: The network device to retrieve the DSN for.
+ *
+ * Returns the IEEE 802.15.4 DSN for the network device.
+ * The DSN is the sequence number which will be added to each
+ * packet or MAC command frame by the MAC during transmission.
+ *
+ * DSN means 'Data Sequence Number'.
+ *
+ * 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)
{
BUG_ON(dev->type != ARPHRD_IEEE802154);
return 0x00; /* DSN are implemented in HW, so return just 0 */
}
+/**
+ * fake_get_bsn - Retrieve the BSN of the device.
+ * @dev: The network device to retrieve the BSN for.
+ *
+ * Returns the IEEE 802.15.4 BSN for the network device.
+ * The BSN is the sequence number which will be added to each
+ * beacon frame sent by the MAC.
+ *
+ * BSN means 'Beacon Sequence Number'.
+ *
+ * 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)
{
BUG_ON(dev->type != ARPHRD_IEEE802154);
return 0x00; /* BSN are implemented in HW, so return just 0 */
}
+/**
+ * fake_assoc_req - Make an association request to the HW.
+ * @dev: The network device which we are associating to a network.
+ * @addr: The coordinator with which we wish to associate.
+ * @channel: The channel on which to associate.
+ * @cap: The capability information field to use in the association.
+ *
+ * Start an association with a coordinator. The coordinator's address
+ * and PAN ID can be found in @addr.
+ *
+ * Note: This is in section 7.3.1 and 7.5.3.1 of the IEEE
+ * 802.15.4-2006 document.
+ */
static int fake_assoc_req(struct net_device *dev,
- struct ieee802154_addr *addr, u8 channel, u8 cap)
+ struct ieee802154_addr *addr, u8 channel, u8 page, u8 cap)
{
+ struct wpan_phy *phy = net_to_phy(dev);
+
+ mutex_lock(&phy->pib_lock);
+ phy->current_channel = channel;
+ phy->current_page = page;
+ mutex_unlock(&phy->pib_lock);
+
/* We simply emulate it here */
return ieee802154_nl_assoc_confirm(dev, fake_get_short_addr(dev),
IEEE802154_SUCCESS);
}
+/**
+ * fake_assoc_resp - Send an association response to a device.
+ * @dev: The network device on which to send the response.
+ * @addr: The address of the device to respond to.
+ * @short_addr: The assigned short address for the device (if any).
+ * @status: The result of the association request.
+ *
+ * Queue the association response of the coordinator to another
+ * device's attempt to associate with the network which we
+ * coordinate. This is then added to the indirect-send queue to be
+ * transmitted to the end device when it polls for data.
+ *
+ * Note: This is in section 7.3.2 and 7.5.3.1 of the IEEE
+ * 802.15.4-2006 document.
+ */
static int fake_assoc_resp(struct net_device *dev,
struct ieee802154_addr *addr, u16 short_addr, u8 status)
{
return 0;
}
+/**
+ * fake_disassoc_req - Disassociate a device from a network.
+ * @dev: The network device on which we're disassociating a device.
+ * @addr: The device to disassociate from the network.
+ * @reason: The reason to give to the device for being disassociated.
+ *
+ * This sends a disassociation notification to the device being
+ * disassociated from the network.
+ *
+ * Note: This is in section 7.5.3.2 of the IEEE 802.15.4-2006
+ * document, with the reason described in 7.3.3.2.
+ */
static int fake_disassoc_req(struct net_device *dev,
struct ieee802154_addr *addr, u8 reason)
{
return ieee802154_nl_disassoc_confirm(dev, IEEE802154_SUCCESS);
}
+/**
+ * fake_start_req - Start an IEEE 802.15.4 PAN.
+ * @dev: The network device on which to start the PAN.
+ * @addr: The coordinator address to use when starting the PAN.
+ * @channel: The channel on which to start the PAN.
+ * @bcn_ord: Beacon order.
+ * @sf_ord: Superframe order.
+ * @pan_coord: Whether or not we are the PAN coordinator or just
+ * requesting a realignment perhaps?
+ * @blx: Battery Life Extension feature bitfield.
+ * @coord_realign: Something to realign something else.
+ *
+ * If pan_coord is non-zero then this starts a network with the
+ * provided parameters, otherwise it attempts a coordinator
+ * realignment of the stated network instead.
+ *
+ * Note: This is in section 7.5.2.3 of the IEEE 802.15.4-2006
+ * document, with 7.3.8 describing coordinator realignment.
+ */
static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr,
- u8 channel,
+ u8 channel, u8 page,
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;
+ phy->current_page = page;
+ 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;
}
+/**
+ * fake_scan_req - Start a channel scan.
+ * @dev: The network device on which to perform a channel scan.
+ * @type: The type of scan to perform.
+ * @channels: The channel bitmask to scan.
+ * @duration: How long to spend on each channel.
+ *
+ * This starts either a passive (energy) scan or an active (PAN) scan
+ * on the channels indicated in the @channels bitmask. The duration of
+ * the scan is measured in terms of superframe duration. Specifically,
+ * the scan will spend aBaseSuperFrameDuration * ((2^n) + 1) on each
+ * channel.
+ *
+ * Note: This is in section 7.5.2.1 of the IEEE 802.15.4-2006 document.
+ */
static int fake_scan_req(struct net_device *dev, u8 type, u32 channels,
- u8 duration)
+ u8 page, u8 duration)
{
u8 edl[27] = {};
return ieee802154_nl_scan_confirm(dev, IEEE802154_SUCCESS, type,
- channels,
+ channels, page,
type == IEEE802154_MAC_SCAN_ED ? edl : NULL);
}
return 0;
}
-static int ieee802154_fake_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t ieee802154_fake_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
skb->iif = dev->ifindex;
skb->dev = dev;
/* FIXME: do hardware work here ... */
- return 0;
+ return NETDEV_TX_OK;
}
.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)
{
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;
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;
{
struct net_device *dev = platform_get_drvdata(pdev);
unregister_netdev(dev);
- free_netdev(dev);
return 0;
}
git.openpandora.org / pandora-kernel.git / blobdiff